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BPMN_Projekt/Rechnungseingang/target/process-test-coverage/bower_components/bpmn-js/dist/bpmn-modeler.js.map
Philipp f5266c7d8f nihau
2020-05-27 17:38:02 +02:00

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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","'use strict';\n\nvar inherits = require(243);\n\nvar Ids = require(241);\n\nvar Viewer = require(2);\n\nvar initialDiagram =\n '<?xml version=\"1.0\" encoding=\"UTF-8\"?>' +\n '<bpmn:definitions xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" ' +\n 'xmlns:bpmn=\"http://www.omg.org/spec/BPMN/20100524/MODEL\" ' +\n 'xmlns:bpmndi=\"http://www.omg.org/spec/BPMN/20100524/DI\" ' +\n 'xmlns:dc=\"http://www.omg.org/spec/DD/20100524/DC\" ' +\n 'targetNamespace=\"http://bpmn.io/schema/bpmn\" ' +\n 'id=\"Definitions_1\">' +\n '<bpmn:process id=\"Process_1\" isExecutable=\"false\">' +\n '<bpmn:startEvent id=\"StartEvent_1\"/>' +\n '</bpmn:process>' +\n '<bpmndi:BPMNDiagram id=\"BPMNDiagram_1\">' +\n '<bpmndi:BPMNPlane id=\"BPMNPlane_1\" bpmnElement=\"Process_1\">' +\n '<bpmndi:BPMNShape id=\"_BPMNShape_StartEvent_2\" bpmnElement=\"StartEvent_1\">' +\n '<dc:Bounds height=\"36.0\" width=\"36.0\" x=\"173.0\" y=\"102.0\"/>' +\n '</bpmndi:BPMNShape>' +\n '</bpmndi:BPMNPlane>' +\n '</bpmndi:BPMNDiagram>' +\n '</bpmn:definitions>';\n\n\n/**\n * A modeler for BPMN 2.0 diagrams.\n *\n *\n * ## Extending the Modeler\n *\n * In order to extend the viewer pass extension modules to bootstrap via the\n * `additionalModules` option. An extension module is an object that exposes\n * named services.\n *\n * The following example depicts the integration of a simple\n * logging component that integrates with interaction events:\n *\n *\n * ```javascript\n *\n * // logging component\n * function InteractionLogger(eventBus) {\n * eventBus.on('element.hover', function(event) {\n * console.log()\n * })\n * }\n *\n * InteractionLogger.$inject = [ 'eventBus' ]; // minification save\n *\n * // extension module\n * var extensionModule = {\n * __init__: [ 'interactionLogger' ],\n * interactionLogger: [ 'type', InteractionLogger ]\n * };\n *\n * // extend the viewer\n * var bpmnModeler = new Modeler({ additionalModules: [ extensionModule ] });\n * bpmnModeler.importXML(...);\n * ```\n *\n *\n * ## Customizing / Replacing Components\n *\n * You can replace individual diagram components by redefining them in override modules.\n * This works for all components, including those defined in the core.\n *\n * Pass in override modules via the `options.additionalModules` flag like this:\n *\n * ```javascript\n * function CustomContextPadProvider(contextPad) {\n *\n * contextPad.registerProvider(this);\n *\n * this.getContextPadEntries = function(element) {\n * // no entries, effectively disable the context pad\n * return {};\n * };\n * }\n *\n * CustomContextPadProvider.$inject = [ 'contextPad' ];\n *\n * var overrideModule = {\n * contextPadProvider: [ 'type', CustomContextPadProvider ]\n * };\n *\n * var bpmnModeler = new Modeler({ additionalModules: [ overrideModule ]});\n * ```\n *\n * @param {Object} [options] configuration options to pass to the viewer\n * @param {DOMElement} [options.container] the container to render the viewer in, defaults to body.\n * @param {String|Number} [options.width] the width of the viewer\n * @param {String|Number} [options.height] the height of the viewer\n * @param {Object} [options.moddleExtensions] extension packages to provide\n * @param {Array<didi.Module>} [options.modules] a list of modules to override the default modules\n * @param {Array<didi.Module>} [options.additionalModules] a list of modules to use with the default modules\n */\nfunction Modeler(options) {\n Viewer.call(this, options);\n\n // hook ID collection into the modeler\n this.on('import.parse.complete', function(event) {\n if (!event.error) {\n this._collectIds(event.definitions, event.context);\n }\n }, this);\n\n this.on('diagram.destroy', function() {\n this.moddle.ids.clear();\n }, this);\n}\n\ninherits(Modeler, Viewer);\n\nmodule.exports = Modeler;\n\n/**\n * Create a new diagram to start modeling.\n *\n * @param {Function} [done]\n */\nModeler.prototype.createDiagram = function(done) {\n return this.importXML(initialDiagram, done);\n};\n\n/**\n * Create a moddle instance, attaching ids to it.\n *\n * @param {Object} options\n */\nModeler.prototype._createModdle = function(options) {\n var moddle = Viewer.prototype._createModdle.call(this, options);\n\n // attach ids to moddle to be able to track\n // and validated ids in the BPMN 2.0 XML document\n // tree\n moddle.ids = new Ids([ 32, 36, 1 ]);\n\n return moddle;\n};\n\n/**\n * Collect ids processed during parsing of the\n * definitions object.\n *\n * @param {ModdleElement} definitions\n * @param {Context} context\n */\nModeler.prototype._collectIds = function(definitions, context) {\n\n var moddle = definitions.$model,\n ids = moddle.ids,\n id;\n\n // remove references from previous import\n ids.clear();\n\n for (id in context.elementsById) {\n ids.claim(id, context.elementsById[id]);\n }\n};\n\n\nModeler.prototype._interactionModules = [\n // non-modeling components\n require(16),\n require(8),\n require(216),\n require(212),\n require(213)\n];\n\nModeler.prototype._modelingModules = [\n // modeling components\n require(166),\n require(118),\n require(182),\n require(196),\n require(141),\n require(133),\n require(12),\n require(62),\n require(43),\n require(10),\n require(49),\n require(54)\n];\n\n\n// modules the modeler is composed of\n//\n// - viewer modules\n// - interaction modules\n// - modeling modules\n\nModeler.prototype._modules = [].concat(\n Modeler.prototype._modules,\n Modeler.prototype._interactionModules,\n Modeler.prototype._modelingModules);","/**\n * The code in the <project-logo></project-logo> area\n * must not be changed.\n *\n * @see http://bpmn.io/license for more information.\n */\n'use strict';\n\nvar assign = require(377),\n omit = require(381),\n isString = require(374),\n isNumber = require(371);\n\nvar domify = require(394),\n domQuery = require(397),\n domRemove = require(398);\n\nvar Diagram = require(96),\n BpmnModdle = require(72);\n\n\nvar inherits = require(243);\n\nvar Importer = require(65);\n\n\nfunction checkValidationError(err) {\n\n // check if we can help the user by indicating wrong BPMN 2.0 xml\n // (in case he or the exporting tool did not get that right)\n\n var pattern = /unparsable content <([^>]+)> detected([/s/S]*)$/;\n var match = pattern.exec(err.message);\n\n if (match) {\n err.message =\n 'unparsable content <' + match[1] + '> detected; ' +\n 'this may indicate an invalid BPMN 2.0 diagram file' + match[2];\n }\n\n return err;\n}\n\nvar DEFAULT_OPTIONS = {\n width: '100%',\n height: '100%',\n position: 'relative',\n container: 'body'\n};\n\n\n/**\n * Ensure the passed argument is a proper unit (defaulting to px)\n */\nfunction ensureUnit(val) {\n return val + (isNumber(val) ? 'px' : '');\n}\n\n/**\n * A viewer for BPMN 2.0 diagrams.\n *\n * Have a look at {@link NavigatedViewer} or {@link Modeler} for bundles that include\n * additional features.\n *\n *\n * ## Extending the Viewer\n *\n * In order to extend the viewer pass extension modules to bootstrap via the\n * `additionalModules` option. An extension module is an object that exposes\n * named services.\n *\n * The following example depicts the integration of a simple\n * logging component that integrates with interaction events:\n *\n *\n * ```javascript\n *\n * // logging component\n * function InteractionLogger(eventBus) {\n * eventBus.on('element.hover', function(event) {\n * console.log()\n * })\n * }\n *\n * InteractionLogger.$inject = [ 'eventBus' ]; // minification save\n *\n * // extension module\n * var extensionModule = {\n * __init__: [ 'interactionLogger' ],\n * interactionLogger: [ 'type', InteractionLogger ]\n * };\n *\n * // extend the viewer\n * var bpmnViewer = new Viewer({ additionalModules: [ extensionModule ] });\n * bpmnViewer.importXML(...);\n * ```\n *\n * @param {Object} [options] configuration options to pass to the viewer\n * @param {DOMElement} [options.container] the container to render the viewer in, defaults to body.\n * @param {String|Number} [options.width] the width of the viewer\n * @param {String|Number} [options.height] the height of the viewer\n * @param {Object} [options.moddleExtensions] extension packages to provide\n * @param {Array<didi.Module>} [options.modules] a list of modules to override the default modules\n * @param {Array<didi.Module>} [options.additionalModules] a list of modules to use with the default modules\n */\nfunction Viewer(options) {\n\n options = assign({}, DEFAULT_OPTIONS, options);\n\n this.moddle = this._createModdle(options);\n\n this.container = this._createContainer(options);\n\n /* <project-logo> */\n\n addProjectLogo(this.container);\n\n /* </project-logo> */\n\n this._init(this.container, this.moddle, options);\n}\n\ninherits(Viewer, Diagram);\n\nmodule.exports = Viewer;\n\n\n/**\n * Parse and render a BPMN 2.0 diagram.\n *\n * Once finished the viewer reports back the result to the\n * provided callback function with (err, warnings).\n *\n * ## Life-Cycle Events\n *\n * During import the viewer will fire life-cycle events:\n *\n * * import.parse.start (about to read model from xml)\n * * import.parse.complete (model read; may have worked or not)\n * * import.render.start (graphical import start)\n * * import.render.complete (graphical import finished)\n * * import.done (everything done)\n *\n * You can use these events to hook into the life-cycle.\n *\n * @param {String} xml the BPMN 2.0 xml\n * @param {Function} [done] invoked with (err, warnings=[])\n */\nViewer.prototype.importXML = function(xml, done) {\n\n // done is optional\n done = done || function() {};\n\n var self = this;\n\n // hook in pre-parse listeners +\n // allow xml manipulation\n xml = this._emit('import.parse.start', { xml: xml }) || xml;\n\n this.moddle.fromXML(xml, 'bpmn:Definitions', function(err, definitions, context) {\n\n // hook in post parse listeners +\n // allow definitions manipulation\n definitions = self._emit('import.parse.complete', {\n error: err,\n definitions: definitions,\n context: context\n }) || definitions;\n\n if (err) {\n err = checkValidationError(err);\n\n self._emit('import.done', { error: err });\n\n return done(err);\n }\n\n var parseWarnings = context.warnings;\n\n self.importDefinitions(definitions, function(err, importWarnings) {\n var allWarnings = [].concat(parseWarnings, importWarnings || []);\n\n self._emit('import.done', { error: err, warnings: allWarnings });\n\n done(err, allWarnings);\n });\n });\n};\n\n/**\n * Export the currently displayed BPMN 2.0 diagram as\n * a BPMN 2.0 XML document.\n *\n * @param {Object} [options] export options\n * @param {Boolean} [options.format=false] output formated XML\n * @param {Boolean} [options.preamble=true] output preamble\n *\n * @param {Function} done invoked with (err, xml)\n */\nViewer.prototype.saveXML = function(options, done) {\n\n if (!done) {\n done = options;\n options = {};\n }\n\n var definitions = this.definitions;\n\n if (!definitions) {\n return done(new Error('no definitions loaded'));\n }\n\n this.moddle.toXML(definitions, options, done);\n};\n\n/**\n * Export the currently displayed BPMN 2.0 diagram as\n * an SVG image.\n *\n * @param {Object} [options]\n * @param {Function} done invoked with (err, svgStr)\n */\nViewer.prototype.saveSVG = function(options, done) {\n\n if (!done) {\n done = options;\n options = {};\n }\n\n var canvas = this.get('canvas');\n\n var contentNode = canvas.getDefaultLayer(),\n defsNode = canvas._svg.select('defs');\n\n var contents = contentNode.innerSVG(),\n defs = (defsNode && defsNode.outerSVG()) || '';\n\n var bbox = contentNode.getBBox();\n\n var svg =\n '<?xml version=\"1.0\" encoding=\"utf-8\"?>/n' +\n '<!-- created with bpmn-js / http://bpmn.io -->/n' +\n '<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">/n' +\n '<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" ' +\n 'width=\"' + bbox.width + '\" height=\"' + bbox.height + '\" ' +\n 'viewBox=\"' + bbox.x + ' ' + bbox.y + ' ' + bbox.width + ' ' + bbox.height + '\" version=\"1.1\">' +\n defs + contents +\n '</svg>';\n\n done(null, svg);\n};\n\n/**\n * Get a named diagram service.\n *\n * @example\n *\n * var elementRegistry = viewer.get('elementRegistry');\n * var startEventShape = elementRegistry.get('StartEvent_1');\n *\n * @param {String} name\n *\n * @return {Object} diagram service instance\n *\n * @method Viewer#get\n */\n\n/**\n * Invoke a function in the context of this viewer.\n *\n * @example\n *\n * viewer.invoke(function(elementRegistry) {\n * var startEventShape = elementRegistry.get('StartEvent_1');\n * });\n *\n * @param {Function} fn to be invoked\n *\n * @return {Object} the functions return value\n *\n * @method Viewer#invoke\n */\n\n/**\n * Remove all drawn elements from the viewer.\n *\n * After calling this method the viewer can still\n * be reused for opening another diagram.\n *\n * @method Viewer#clear\n */\n\nViewer.prototype.importDefinitions = function(definitions, done) {\n\n // use try/catch to not swallow synchronous exceptions\n // that may be raised during model parsing\n try {\n\n if (this.definitions) {\n // clear existing rendered diagram\n this.clear();\n }\n\n // update definitions\n this.definitions = definitions;\n\n // perform graphical import\n Importer.importBpmnDiagram(this, definitions, done);\n } catch (e) {\n\n // handle synchronous errors\n done(e);\n }\n};\n\nViewer.prototype.getModules = function() {\n return this._modules;\n};\n\n/**\n * Destroy the viewer instance and remove all its\n * remainders from the document tree.\n */\nViewer.prototype.destroy = function() {\n\n // diagram destroy\n Diagram.prototype.destroy.call(this);\n\n // dom detach\n domRemove(this.container);\n};\n\n/**\n * Register an event listener\n *\n * Remove a previously added listener via {@link #off(event, callback)}.\n *\n * @param {String} event\n * @param {Number} [priority]\n * @param {Function} callback\n * @param {Object} [that]\n */\nViewer.prototype.on = function(event, priority, callback, target) {\n return this.get('eventBus').on(event, priority, callback, target);\n};\n\n/**\n * De-register an event listener\n *\n * @param {String} event\n * @param {Function} callback\n */\nViewer.prototype.off = function(event, callback) {\n this.get('eventBus').off(event, callback);\n};\n\n\nViewer.prototype._init = function(container, moddle, options) {\n\n var baseModules = options.modules || this.getModules(),\n additionalModules = options.additionalModules || [],\n staticModules = [\n {\n bpmnjs: [ 'value', this ],\n moddle: [ 'value', moddle ]\n }\n ];\n\n var diagramModules = [].concat(staticModules, baseModules, additionalModules);\n\n var diagramOptions = assign(omit(options, 'additionalModules'), {\n canvas: assign({}, options.canvas, { container: container }),\n modules: diagramModules\n });\n\n // invoke diagram constructor\n Diagram.call(this, diagramOptions);\n};\n\n/**\n * Emit an event on the underlying {@link EventBus}\n *\n * @param {String} type\n * @param {Object} event\n *\n * @return {Object} event processing result (if any)\n */\nViewer.prototype._emit = function(type, event) {\n return this.get('eventBus').fire(type, event);\n};\n\nViewer.prototype._createContainer = function(options) {\n\n var parent = options.container,\n container;\n\n // support jquery element\n // unwrap it if passed\n if (parent.get) {\n parent = parent.get(0);\n }\n\n // support selector\n if (isString(parent)) {\n parent = domQuery(parent);\n }\n\n container = domify('<div class=\"bjs-container\"></div>');\n\n assign(container.style, {\n width: ensureUnit(options.width),\n height: ensureUnit(options.height),\n position: options.position\n });\n\n parent.appendChild(container);\n\n return container;\n};\n\nViewer.prototype._createModdle = function(options) {\n var moddleOptions = assign({}, this._moddleExtensions, options.moddleExtensions);\n\n return new BpmnModdle(moddleOptions);\n};\n\n\n// modules the viewer is composed of\nViewer.prototype._modules = [\n require(3),\n require(204),\n require(189),\n require(171)\n];\n\n// default moddle extensions the viewer is composed of\nViewer.prototype._moddleExtensions = {};\n\n/* <project-logo> */\n\nvar PoweredBy = require(71),\n domEvent = require(395);\n\n/**\n * Adds the project logo to the diagram container as\n * required by the bpmn.io license.\n *\n * @see http://bpmn.io/license\n *\n * @param {Element} container\n */\nfunction addProjectLogo(container) {\n var logoData = PoweredBy.BPMNIO_LOGO;\n\n var linkMarkup =\n '<a href=\"http://bpmn.io\" ' +\n 'target=\"_blank\" ' +\n 'class=\"bjs-powered-by\" ' +\n 'title=\"Powered by bpmn.io\" ' +\n 'style=\"position: absolute; bottom: 15px; right: 15px; z-index: 100\">' +\n '<img src=\"data:image/png;base64,' + logoData + '\">' +\n '</a>';\n\n var linkElement = domify(linkMarkup);\n\n container.appendChild(linkElement);\n\n domEvent.bind(linkElement, 'click', function(event) {\n PoweredBy.open();\n\n event.preventDefault();\n });\n}\n\n/* </project-logo> */","module.exports = {\n __depends__: [\n require(6),\n require(67)\n ]\n};","'use strict';\n\nvar inherits = require(243),\n isObject = require(372),\n assign = require(377),\n forEach = require(255),\n every = require(252),\n includes = require(257),\n some = require(261);\n\nvar BaseRenderer = require(107),\n TextUtil = require(232),\n DiUtil = require(68);\n\nvar is = require(70).is;\n\nvar RenderUtil = require(231);\n\nvar componentsToPath = RenderUtil.componentsToPath,\n createLine = RenderUtil.createLine;\n\n\nvar TASK_BORDER_RADIUS = 10;\nvar INNER_OUTER_DIST = 3;\n\nvar LABEL_STYLE = {\n fontFamily: 'Arial, sans-serif',\n fontSize: '12px'\n};\n\n\nfunction BpmnRenderer(eventBus, styles, pathMap, priority) {\n\n BaseRenderer.call(this, eventBus, priority);\n\n var textUtil = new TextUtil({\n style: LABEL_STYLE,\n size: { width: 100 }\n });\n\n var markers = {};\n\n var computeStyle = styles.computeStyle;\n\n function addMarker(id, element) {\n markers[id] = element;\n }\n\n function marker(id) {\n return markers[id];\n }\n\n function initMarkers(svg) {\n\n function createMarker(id, options) {\n var attrs = assign({\n fill: 'black',\n strokeWidth: 1,\n strokeLinecap: 'round',\n strokeDasharray: 'none'\n }, options.attrs);\n\n var ref = options.ref || { x: 0, y: 0 };\n\n var scale = options.scale || 1;\n\n // fix for safari / chrome / firefox bug not correctly\n // resetting stroke dash array\n if (attrs.strokeDasharray === 'none') {\n attrs.strokeDasharray = [10000, 1];\n }\n\n var marker = options.element\n .attr(attrs)\n .marker(0, 0, 20, 20, ref.x, ref.y)\n .attr({\n markerWidth: 20 * scale,\n markerHeight: 20 * scale\n });\n\n return addMarker(id, marker);\n }\n\n\n createMarker('sequenceflow-end', {\n element: svg.path('M 1 5 L 11 10 L 1 15 Z'),\n ref: { x: 11, y: 10 },\n scale: 0.5\n });\n\n createMarker('messageflow-start', {\n element: svg.circle(6, 6, 3.5),\n attrs: {\n fill: 'white',\n stroke: 'black'\n },\n ref: { x: 6, y: 6 }\n });\n\n createMarker('messageflow-end', {\n element: svg.path('m 1 5 l 0 -3 l 7 3 l -7 3 z'),\n attrs: {\n fill: 'white',\n stroke: 'black',\n strokeLinecap: 'butt'\n },\n ref: { x: 8.5, y: 5 }\n });\n\n createMarker('association-start', {\n element: svg.path('M 11 5 L 1 10 L 11 15'),\n attrs: {\n fill: 'none',\n stroke: 'black',\n strokeWidth: 1.5\n },\n ref: { x: 1, y: 10 },\n scale: 0.5\n });\n\n createMarker('association-end', {\n element: svg.path('M 1 5 L 11 10 L 1 15'),\n attrs: {\n fill: 'none',\n stroke: 'black',\n strokeWidth: 1.5\n },\n ref: { x: 12, y: 10 },\n scale: 0.5\n });\n\n createMarker('conditional-flow-marker', {\n element: svg.path('M 0 10 L 8 6 L 16 10 L 8 14 Z'),\n attrs: {\n fill: 'white',\n stroke: 'black'\n },\n ref: { x: -1, y: 10 },\n scale: 0.5\n });\n\n createMarker('conditional-default-flow-marker', {\n element: svg.path('M 1 4 L 5 16'),\n attrs: {\n stroke: 'black'\n },\n ref: { x: -5, y: 10 },\n scale: 0.5\n });\n }\n\n function drawCircle(p, width, height, offset, attrs) {\n\n if (isObject(offset)) {\n attrs = offset;\n offset = 0;\n }\n\n offset = offset || 0;\n\n attrs = computeStyle(attrs, {\n stroke: 'black',\n strokeWidth: 2,\n fill: 'white'\n });\n\n var cx = width / 2,\n cy = height / 2;\n\n return p.circle(cx, cy, Math.round((width + height) / 4 - offset)).attr(attrs);\n }\n\n function drawRect(p, width, height, r, offset, attrs) {\n\n if (isObject(offset)) {\n attrs = offset;\n offset = 0;\n }\n\n offset = offset || 0;\n\n attrs = computeStyle(attrs, {\n stroke: 'black',\n strokeWidth: 2,\n fill: 'white'\n });\n\n return p.rect(offset, offset, width - offset * 2, height - offset * 2, r).attr(attrs);\n }\n\n function drawDiamond(p, width, height, attrs) {\n\n var x_2 = width / 2;\n var y_2 = height / 2;\n\n var points = [x_2, 0, width, y_2, x_2, height, 0, y_2 ];\n\n attrs = computeStyle(attrs, {\n stroke: 'black',\n strokeWidth: 2,\n fill: 'white'\n });\n\n return p.polygon(points).attr(attrs);\n }\n\n function drawLine(p, waypoints, attrs) {\n attrs = computeStyle(attrs, [ 'no-fill' ], {\n stroke: 'black',\n strokeWidth: 2,\n fill: 'none'\n });\n\n return createLine(waypoints, attrs).appendTo(p);\n }\n\n function drawPath(p, d, attrs) {\n\n attrs = computeStyle(attrs, [ 'no-fill' ], {\n strokeWidth: 2,\n stroke: 'black'\n });\n\n return p.path(d).attr(attrs);\n }\n\n function drawMarker(type, p, path, attrs) {\n return drawPath(p, path, assign({ 'data-marker': type }, attrs));\n }\n\n function as(type) {\n return function(p, element) {\n return handlers[type](p, element);\n };\n }\n\n function renderer(type) {\n return handlers[type];\n }\n\n function renderEventContent(element, p) {\n\n var event = getSemantic(element);\n var isThrowing = isThrowEvent(event);\n\n if (isTypedEvent(event, 'bpmn:MessageEventDefinition')) {\n return renderer('bpmn:MessageEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:TimerEventDefinition')) {\n return renderer('bpmn:TimerEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:ConditionalEventDefinition')) {\n return renderer('bpmn:ConditionalEventDefinition')(p, element);\n }\n\n if (isTypedEvent(event, 'bpmn:SignalEventDefinition')) {\n return renderer('bpmn:SignalEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:CancelEventDefinition') &&\n isTypedEvent(event, 'bpmn:TerminateEventDefinition', { parallelMultiple: false })) {\n return renderer('bpmn:MultipleEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:CancelEventDefinition') &&\n isTypedEvent(event, 'bpmn:TerminateEventDefinition', { parallelMultiple: true })) {\n return renderer('bpmn:ParallelMultipleEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:EscalationEventDefinition')) {\n return renderer('bpmn:EscalationEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:LinkEventDefinition')) {\n return renderer('bpmn:LinkEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:ErrorEventDefinition')) {\n return renderer('bpmn:ErrorEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:CancelEventDefinition')) {\n return renderer('bpmn:CancelEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:CompensateEventDefinition')) {\n return renderer('bpmn:CompensateEventDefinition')(p, element, isThrowing);\n }\n\n if (isTypedEvent(event, 'bpmn:TerminateEventDefinition')) {\n return renderer('bpmn:TerminateEventDefinition')(p, element, isThrowing);\n }\n\n return null;\n }\n\n function renderLabel(p, label, options) {\n return textUtil.createText(p, label || '', options).addClass('djs-label');\n }\n\n function renderEmbeddedLabel(p, element, align) {\n var semantic = getSemantic(element);\n return renderLabel(p, semantic.name, { box: element, align: align, padding: 5 });\n }\n\n function renderExternalLabel(p, element, align) {\n var semantic = getSemantic(element);\n return renderLabel(p, semantic.name, { box: element, align: align, style: { fontSize: '11px' } });\n }\n\n function renderLaneLabel(p, text, element) {\n var textBox = renderLabel(p, text, {\n box: { height: 30, width: element.height },\n align: 'center-middle'\n });\n\n var top = -1 * element.height;\n textBox.transform(\n 'rotate(270) ' +\n 'translate(' + top + ',' + 0 + ')'\n );\n }\n\n function createPathFromConnection(connection) {\n var waypoints = connection.waypoints;\n\n var pathData = 'm ' + waypoints[0].x + ',' + waypoints[0].y;\n for (var i = 1; i < waypoints.length; i++) {\n pathData += 'L' + waypoints[i].x + ',' + waypoints[i].y + ' ';\n }\n return pathData;\n }\n\n var handlers = this.handlers = {\n 'bpmn:Event': function(p, element, attrs) {\n return drawCircle(p, element.width, element.height, attrs);\n },\n 'bpmn:StartEvent': function(p, element) {\n var attrs = {};\n var semantic = getSemantic(element);\n\n if (!semantic.isInterrupting) {\n attrs = {\n strokeDasharray: '6',\n strokeLinecap: 'round'\n };\n }\n\n var circle = renderer('bpmn:Event')(p, element, attrs);\n\n renderEventContent(element, p);\n\n return circle;\n },\n 'bpmn:MessageEventDefinition': function(p, element, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_MESSAGE', {\n xScaleFactor: 0.9,\n yScaleFactor: 0.9,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.235,\n my: 0.315\n }\n });\n\n var fill = isThrowing ? 'black' : 'white';\n var stroke = isThrowing ? 'white' : 'black';\n\n var messagePath = drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill,\n stroke: stroke\n });\n\n return messagePath;\n },\n 'bpmn:TimerEventDefinition': function(p, element) {\n\n var circle = drawCircle(p, element.width, element.height, 0.2 * element.height, {\n strokeWidth: 2\n });\n\n var pathData = pathMap.getScaledPath('EVENT_TIMER_WH', {\n xScaleFactor: 0.75,\n yScaleFactor: 0.75,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.5,\n my: 0.5\n }\n });\n\n drawPath(p, pathData, {\n strokeWidth: 2,\n strokeLinecap: 'square'\n });\n\n for(var i = 0;i < 12;i++) {\n\n var linePathData = pathMap.getScaledPath('EVENT_TIMER_LINE', {\n xScaleFactor: 0.75,\n yScaleFactor: 0.75,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.5,\n my: 0.5\n }\n });\n\n var width = element.width / 2;\n var height = element.height / 2;\n\n drawPath(p, linePathData, {\n strokeWidth: 1,\n strokeLinecap: 'square',\n transform: 'rotate(' + (i * 30) + ',' + height + ',' + width + ')'\n });\n }\n\n return circle;\n },\n 'bpmn:EscalationEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_ESCALATION', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.5,\n my: 0.555\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n });\n },\n 'bpmn:ConditionalEventDefinition': function(p, event) {\n var pathData = pathMap.getScaledPath('EVENT_CONDITIONAL', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.5,\n my: 0.222\n }\n });\n\n return drawPath(p, pathData, {\n strokeWidth: 1\n });\n },\n 'bpmn:LinkEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_LINK', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.57,\n my: 0.263\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n });\n },\n 'bpmn:ErrorEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_ERROR', {\n xScaleFactor: 1.1,\n yScaleFactor: 1.1,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.2,\n my: 0.722\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n });\n },\n 'bpmn:CancelEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_CANCEL_45', {\n xScaleFactor: 1.0,\n yScaleFactor: 1.0,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.638,\n my: -0.055\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n }).transform('rotate(45)');\n },\n 'bpmn:CompensateEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_COMPENSATION', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.22,\n my: 0.5\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n });\n },\n 'bpmn:SignalEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_SIGNAL', {\n xScaleFactor: 0.9,\n yScaleFactor: 0.9,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.5,\n my: 0.2\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n });\n },\n 'bpmn:MultipleEventDefinition': function(p, event, isThrowing) {\n var pathData = pathMap.getScaledPath('EVENT_MULTIPLE', {\n xScaleFactor: 1.1,\n yScaleFactor: 1.1,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.222,\n my: 0.36\n }\n });\n\n var fill = isThrowing ? 'black' : 'none';\n\n return drawPath(p, pathData, {\n strokeWidth: 1,\n fill: fill\n });\n },\n 'bpmn:ParallelMultipleEventDefinition': function(p, event) {\n var pathData = pathMap.getScaledPath('EVENT_PARALLEL_MULTIPLE', {\n xScaleFactor: 1.2,\n yScaleFactor: 1.2,\n containerWidth: event.width,\n containerHeight: event.height,\n position: {\n mx: 0.458,\n my: 0.194\n }\n });\n\n return drawPath(p, pathData, {\n strokeWidth: 1\n });\n },\n 'bpmn:EndEvent': function(p, element) {\n var circle = renderer('bpmn:Event')(p, element, {\n strokeWidth: 4\n });\n\n renderEventContent(element, p, true);\n\n return circle;\n },\n 'bpmn:TerminateEventDefinition': function(p, element) {\n var circle = drawCircle(p, element.width, element.height, 8, {\n strokeWidth: 4,\n fill: 'black'\n });\n\n return circle;\n },\n 'bpmn:IntermediateEvent': function(p, element) {\n var outer = renderer('bpmn:Event')(p, element, { strokeWidth: 1 });\n /* inner */ drawCircle(p, element.width, element.height, INNER_OUTER_DIST, { strokeWidth: 1, fill: 'none' });\n\n renderEventContent(element, p);\n\n return outer;\n },\n 'bpmn:IntermediateCatchEvent': as('bpmn:IntermediateEvent'),\n 'bpmn:IntermediateThrowEvent': as('bpmn:IntermediateEvent'),\n\n 'bpmn:Activity': function(p, element, attrs) {\n return drawRect(p, element.width, element.height, TASK_BORDER_RADIUS, attrs);\n },\n\n 'bpmn:Task': function(p, element, attrs) {\n var rect = renderer('bpmn:Activity')(p, element, attrs);\n renderEmbeddedLabel(p, element, 'center-middle');\n attachTaskMarkers(p, element);\n return rect;\n },\n 'bpmn:ServiceTask': function(p, element) {\n var task = renderer('bpmn:Task')(p, element);\n\n var pathDataBG = pathMap.getScaledPath('TASK_TYPE_SERVICE', {\n abspos: {\n x: 12,\n y: 18\n }\n });\n\n /* service bg */ drawPath(p, pathDataBG, {\n strokeWidth: 1,\n fill: 'none'\n });\n\n var fillPathData = pathMap.getScaledPath('TASK_TYPE_SERVICE_FILL', {\n abspos: {\n x: 17.2,\n y: 18\n }\n });\n\n /* service fill */ drawPath(p, fillPathData, {\n strokeWidth: 0,\n stroke: 'none',\n fill: 'white'\n });\n\n var pathData = pathMap.getScaledPath('TASK_TYPE_SERVICE', {\n abspos: {\n x: 17,\n y: 22\n }\n });\n\n /* service */ drawPath(p, pathData, {\n strokeWidth: 1,\n fill: 'white'\n });\n\n return task;\n },\n 'bpmn:UserTask': function(p, element) {\n var task = renderer('bpmn:Task')(p, element);\n\n var x = 15;\n var y = 12;\n\n var pathData = pathMap.getScaledPath('TASK_TYPE_USER_1', {\n abspos: {\n x: x,\n y: y\n }\n });\n\n /* user path */ drawPath(p, pathData, {\n strokeWidth: 0.5,\n fill: 'none'\n });\n\n var pathData2 = pathMap.getScaledPath('TASK_TYPE_USER_2', {\n abspos: {\n x: x,\n y: y\n }\n });\n\n /* user2 path */ drawPath(p, pathData2, {\n strokeWidth: 0.5,\n fill: 'none'\n });\n\n var pathData3 = pathMap.getScaledPath('TASK_TYPE_USER_3', {\n abspos: {\n x: x,\n y: y\n }\n });\n\n /* user3 path */ drawPath(p, pathData3, {\n strokeWidth: 0.5,\n fill: 'black'\n });\n\n return task;\n },\n 'bpmn:ManualTask': function(p, element) {\n var task = renderer('bpmn:Task')(p, element);\n\n var pathData = pathMap.getScaledPath('TASK_TYPE_MANUAL', {\n abspos: {\n x: 17,\n y: 15\n }\n });\n\n /* manual path */ drawPath(p, pathData, {\n strokeWidth: 0.25,\n fill: 'white',\n stroke: 'black'\n });\n\n return task;\n },\n 'bpmn:SendTask': function(p, element) {\n var task = renderer('bpmn:Task')(p, element);\n\n var pathData = pathMap.getScaledPath('TASK_TYPE_SEND', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: 21,\n containerHeight: 14,\n position: {\n mx: 0.285,\n my: 0.357\n }\n });\n\n /* send path */ drawPath(p, pathData, {\n strokeWidth: 1,\n fill: 'black',\n stroke: 'white'\n });\n\n return task;\n },\n 'bpmn:ReceiveTask' : function(p, element) {\n var semantic = getSemantic(element);\n\n var task = renderer('bpmn:Task')(p, element);\n var pathData;\n\n if (semantic.instantiate) {\n drawCircle(p, 28, 28, 20 * 0.22, { strokeWidth: 1 });\n\n pathData = pathMap.getScaledPath('TASK_TYPE_INSTANTIATING_SEND', {\n abspos: {\n x: 7.77,\n y: 9.52\n }\n });\n } else {\n\n pathData = pathMap.getScaledPath('TASK_TYPE_SEND', {\n xScaleFactor: 0.9,\n yScaleFactor: 0.9,\n containerWidth: 21,\n containerHeight: 14,\n position: {\n mx: 0.3,\n my: 0.4\n }\n });\n }\n\n /* receive path */ drawPath(p, pathData, {\n strokeWidth: 1\n });\n\n return task;\n },\n 'bpmn:ScriptTask': function(p, element) {\n var task = renderer('bpmn:Task')(p, element);\n\n var pathData = pathMap.getScaledPath('TASK_TYPE_SCRIPT', {\n abspos: {\n x: 15,\n y: 20\n }\n });\n\n /* script path */ drawPath(p, pathData, {\n strokeWidth: 1\n });\n\n return task;\n },\n 'bpmn:BusinessRuleTask': function(p, element) {\n var task = renderer('bpmn:Task')(p, element);\n\n var headerPathData = pathMap.getScaledPath('TASK_TYPE_BUSINESS_RULE_HEADER', {\n abspos: {\n x: 8,\n y: 8\n }\n });\n\n var businessHeaderPath = drawPath(p, headerPathData);\n businessHeaderPath.attr({\n strokeWidth: 1,\n fill: 'AAA'\n });\n\n var headerData = pathMap.getScaledPath('TASK_TYPE_BUSINESS_RULE_MAIN', {\n abspos: {\n x: 8,\n y: 8\n }\n });\n\n var businessPath = drawPath(p, headerData);\n businessPath.attr({\n strokeWidth: 1\n });\n\n return task;\n },\n 'bpmn:SubProcess': function(p, element, attrs) {\n\n attrs = assign({ fillOpacity: 0.95 }, attrs);\n\n var rect = renderer('bpmn:Activity')(p, element, attrs);\n\n var expanded = DiUtil.isExpanded(element);\n\n var isEventSubProcess = DiUtil.isEventSubProcess(element);\n\n if (isEventSubProcess) {\n rect.attr({\n strokeDasharray: '1,2'\n });\n }\n\n renderEmbeddedLabel(p, element, expanded ? 'center-top' : 'center-middle');\n\n if (expanded) {\n attachTaskMarkers(p, element);\n } else {\n attachTaskMarkers(p, element, ['SubProcessMarker']);\n }\n\n return rect;\n },\n 'bpmn:AdHocSubProcess': function(p, element) {\n return renderer('bpmn:SubProcess')(p, element);\n },\n 'bpmn:Transaction': function(p, element) {\n var outer = renderer('bpmn:SubProcess')(p, element);\n\n var innerAttrs = styles.style([ 'no-fill', 'no-events' ]);\n\n /* inner path */ drawRect(p, element.width, element.height, TASK_BORDER_RADIUS - 2, INNER_OUTER_DIST, innerAttrs);\n\n return outer;\n },\n 'bpmn:CallActivity': function(p, element) {\n return renderer('bpmn:SubProcess')(p, element, {\n strokeWidth: 5\n });\n },\n 'bpmn:Participant': function(p, element) {\n\n var lane = renderer('bpmn:Lane')(p, element, {\n fillOpacity: 0.95,\n fill: 'White'\n });\n\n var expandedPool = DiUtil.isExpanded(element);\n\n if (expandedPool) {\n drawLine(p, [\n { x: 30, y: 0 },\n { x: 30, y: element.height }\n ]);\n var text = getSemantic(element).name;\n renderLaneLabel(p, text, element);\n } else {\n // Collapsed pool draw text inline\n var text2 = getSemantic(element).name;\n renderLabel(p, text2, { box: element, align: 'center-middle' });\n }\n\n var participantMultiplicity = !!(getSemantic(element).participantMultiplicity);\n\n if (participantMultiplicity) {\n renderer('ParticipantMultiplicityMarker')(p, element);\n }\n\n return lane;\n },\n 'bpmn:Lane': function(p, element, attrs) {\n var rect = drawRect(p, element.width, element.height, 0, attrs || {\n fill: 'none'\n });\n\n var semantic = getSemantic(element);\n\n if (semantic.$type === 'bpmn:Lane') {\n var text = semantic.name;\n renderLaneLabel(p, text, element);\n }\n\n return rect;\n },\n 'bpmn:InclusiveGateway': function(p, element) {\n var diamond = drawDiamond(p, element.width, element.height);\n\n /* circle path */\n drawCircle(p, element.width, element.height, element.height * 0.24, {\n strokeWidth: 2.5,\n fill: 'none'\n });\n\n return diamond;\n },\n 'bpmn:ExclusiveGateway': function(p, element) {\n var diamond = drawDiamond(p, element.width, element.height);\n\n var pathData = pathMap.getScaledPath('GATEWAY_EXCLUSIVE', {\n xScaleFactor: 0.4,\n yScaleFactor: 0.4,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.32,\n my: 0.3\n }\n });\n\n if (!!(getDi(element).isMarkerVisible)) {\n drawPath(p, pathData, {\n strokeWidth: 1,\n fill: 'black'\n });\n }\n\n return diamond;\n },\n 'bpmn:ComplexGateway': function(p, element) {\n var diamond = drawDiamond(p, element.width, element.height);\n\n var pathData = pathMap.getScaledPath('GATEWAY_COMPLEX', {\n xScaleFactor: 0.5,\n yScaleFactor:0.5,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.46,\n my: 0.26\n }\n });\n\n /* complex path */ drawPath(p, pathData, {\n strokeWidth: 1,\n fill: 'black'\n });\n\n return diamond;\n },\n 'bpmn:ParallelGateway': function(p, element) {\n var diamond = drawDiamond(p, element.width, element.height);\n\n var pathData = pathMap.getScaledPath('GATEWAY_PARALLEL', {\n xScaleFactor: 0.6,\n yScaleFactor:0.6,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.46,\n my: 0.2\n }\n });\n\n /* parallel path */ drawPath(p, pathData, {\n strokeWidth: 1,\n fill: 'black'\n });\n\n return diamond;\n },\n 'bpmn:EventBasedGateway': function(p, element) {\n\n var semantic = getSemantic(element);\n\n var diamond = drawDiamond(p, element.width, element.height);\n\n /* outer circle path */ drawCircle(p, element.width, element.height, element.height * 0.20, {\n strokeWidth: 1,\n fill: 'none'\n });\n\n var type = semantic.eventGatewayType;\n var instantiate = !!semantic.instantiate;\n\n function drawEvent() {\n\n var pathData = pathMap.getScaledPath('GATEWAY_EVENT_BASED', {\n xScaleFactor: 0.18,\n yScaleFactor: 0.18,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.36,\n my: 0.44\n }\n });\n\n /* event path */ drawPath(p, pathData, {\n strokeWidth: 2,\n fill: 'none'\n });\n }\n\n if (type === 'Parallel') {\n\n var pathData = pathMap.getScaledPath('GATEWAY_PARALLEL', {\n xScaleFactor: 0.4,\n yScaleFactor:0.4,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.474,\n my: 0.296\n }\n });\n\n var parallelPath = drawPath(p, pathData);\n parallelPath.attr({\n strokeWidth: 1,\n fill: 'none'\n });\n } else if (type === 'Exclusive') {\n\n if (!instantiate) {\n var innerCircle = drawCircle(p, element.width, element.height, element.height * 0.26);\n innerCircle.attr({\n strokeWidth: 1,\n fill: 'none'\n });\n }\n\n drawEvent();\n }\n\n\n return diamond;\n },\n 'bpmn:Gateway': function(p, element) {\n return drawDiamond(p, element.width, element.height);\n },\n 'bpmn:SequenceFlow': function(p, element) {\n var pathData = createPathFromConnection(element);\n var path = drawPath(p, pathData, {\n strokeLinejoin: 'round',\n markerEnd: marker('sequenceflow-end')\n });\n\n var sequenceFlow = getSemantic(element);\n var source = element.source.businessObject;\n\n // conditional flow marker\n if (sequenceFlow.conditionExpression && source.$instanceOf('bpmn:Activity')) {\n path.attr({\n markerStart: marker('conditional-flow-marker')\n });\n }\n\n // default marker\n if (source.default && (source.$instanceOf('bpmn:Gateway') || source.$instanceOf('bpmn:Activity')) &&\n source.default === sequenceFlow) {\n path.attr({\n markerStart: marker('conditional-default-flow-marker')\n });\n }\n\n return path;\n },\n 'bpmn:Association': function(p, element, attrs) {\n\n var semantic = getSemantic(element);\n\n attrs = assign({\n strokeDasharray: '0.5, 5',\n strokeLinecap: 'round',\n strokeLinejoin: 'round'\n }, attrs || {});\n\n if (semantic.associationDirection === 'One' ||\n semantic.associationDirection === 'Both') {\n attrs.markerEnd = marker('association-end');\n }\n\n if (semantic.associationDirection === 'Both') {\n attrs.markerStart = marker('association-start');\n }\n\n return drawLine(p, element.waypoints, attrs);\n },\n 'bpmn:DataInputAssociation': function(p, element) {\n return renderer('bpmn:Association')(p, element, {\n markerEnd: marker('association-end')\n });\n },\n 'bpmn:DataOutputAssociation': function(p, element) {\n return renderer('bpmn:Association')(p, element, {\n markerEnd: marker('association-end')\n });\n },\n 'bpmn:MessageFlow': function(p, element) {\n\n var semantic = getSemantic(element),\n di = getDi(element);\n\n var pathData = createPathFromConnection(element);\n var path = drawPath(p, pathData, {\n markerEnd: marker('messageflow-end'),\n markerStart: marker('messageflow-start'),\n strokeDasharray: '10, 12',\n strokeLinecap: 'round',\n strokeLinejoin: 'round',\n strokeWidth: '1.5px'\n });\n\n if (semantic.messageRef) {\n var midPoint = path.getPointAtLength(path.getTotalLength() / 2);\n\n var markerPathData = pathMap.getScaledPath('MESSAGE_FLOW_MARKER', {\n abspos: {\n x: midPoint.x,\n y: midPoint.y\n }\n });\n\n var messageAttrs = { strokeWidth: 1 };\n\n if (di.messageVisibleKind === 'initiating') {\n messageAttrs.fill = 'white';\n messageAttrs.stroke = 'black';\n } else {\n messageAttrs.fill = '#888';\n messageAttrs.stroke = 'white';\n }\n\n drawPath(p, markerPathData, messageAttrs);\n }\n\n return path;\n },\n 'bpmn:DataObject': function(p, element) {\n var pathData = pathMap.getScaledPath('DATA_OBJECT_PATH', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.474,\n my: 0.296\n }\n });\n\n var elementObject = drawPath(p, pathData, { fill: 'white' });\n\n var semantic = getSemantic(element);\n\n if (isCollection(semantic)) {\n renderDataItemCollection(p, element);\n }\n\n return elementObject;\n },\n 'bpmn:DataObjectReference': as('bpmn:DataObject'),\n 'bpmn:DataInput': function(p, element) {\n\n var arrowPathData = pathMap.getRawPath('DATA_ARROW');\n\n // page\n var elementObject = renderer('bpmn:DataObject')(p, element);\n\n /* input arrow path */ drawPath(p, arrowPathData, { strokeWidth: 1 });\n\n return elementObject;\n },\n 'bpmn:DataOutput': function(p, element) {\n var arrowPathData = pathMap.getRawPath('DATA_ARROW');\n\n // page\n var elementObject = renderer('bpmn:DataObject')(p, element);\n\n /* output arrow path */ drawPath(p, arrowPathData, {\n strokeWidth: 1,\n fill: 'black'\n });\n\n return elementObject;\n },\n 'bpmn:DataStoreReference': function(p, element) {\n var DATA_STORE_PATH = pathMap.getScaledPath('DATA_STORE', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0,\n my: 0.133\n }\n });\n\n var elementStore = drawPath(p, DATA_STORE_PATH, {\n strokeWidth: 2,\n fill: 'white'\n });\n\n return elementStore;\n },\n 'bpmn:BoundaryEvent': function(p, element) {\n\n var semantic = getSemantic(element),\n cancel = semantic.cancelActivity;\n\n var attrs = {\n strokeWidth: 1\n };\n\n if (!cancel) {\n attrs.strokeDasharray = '6';\n attrs.strokeLinecap = 'round';\n }\n\n var outer = renderer('bpmn:Event')(p, element, attrs);\n /* inner path */ drawCircle(p, element.width, element.height, INNER_OUTER_DIST, assign(attrs, { fill: 'none' }));\n\n renderEventContent(element, p);\n\n return outer;\n },\n 'bpmn:Group': function(p, element) {\n return drawRect(p, element.width, element.height, TASK_BORDER_RADIUS, {\n strokeWidth: 1,\n strokeDasharray: '8,3,1,3',\n fill: 'none',\n pointerEvents: 'none'\n });\n },\n 'label': function(p, element) {\n return renderExternalLabel(p, element, '');\n },\n 'bpmn:TextAnnotation': function(p, element) {\n var style = {\n 'fill': 'none',\n 'stroke': 'none'\n };\n var textElement = drawRect(p, element.width, element.height, 0, 0, style);\n var textPathData = pathMap.getScaledPath('TEXT_ANNOTATION', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.0,\n my: 0.0\n }\n });\n drawPath(p, textPathData);\n\n var text = getSemantic(element).text || '';\n renderLabel(p, text, { box: element, align: 'left-middle', padding: 5 });\n\n return textElement;\n },\n 'ParticipantMultiplicityMarker': function(p, element) {\n var markerPath = pathMap.getScaledPath('MARKER_PARALLEL', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: ((element.width / 2) / element.width),\n my: (element.height - 15) / element.height\n }\n });\n\n drawMarker('participant-multiplicity', p, markerPath);\n },\n 'SubProcessMarker': function(p, element) {\n var markerRect = drawRect(p, 14, 14, 0, {\n strokeWidth: 1\n });\n\n // Process marker is placed in the middle of the box\n // therefore fixed values can be used here\n markerRect.transform('translate(' + (element.width / 2 - 7.5) + ',' + (element.height - 20) + ')');\n\n var markerPath = pathMap.getScaledPath('MARKER_SUB_PROCESS', {\n xScaleFactor: 1.5,\n yScaleFactor: 1.5,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: (element.width / 2 - 7.5) / element.width,\n my: (element.height - 20) / element.height\n }\n });\n\n drawMarker('sub-process', p, markerPath);\n },\n 'ParallelMarker': function(p, element, position) {\n var markerPath = pathMap.getScaledPath('MARKER_PARALLEL', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: ((element.width / 2 + position.parallel) / element.width),\n my: (element.height - 20) / element.height\n }\n });\n\n drawMarker('parallel', p, markerPath);\n },\n 'SequentialMarker': function(p, element, position) {\n var markerPath = pathMap.getScaledPath('MARKER_SEQUENTIAL', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: ((element.width / 2 + position.seq) / element.width),\n my: (element.height - 19) / element.height\n }\n });\n\n drawMarker('sequential', p, markerPath);\n },\n 'CompensationMarker': function(p, element, position) {\n var markerMath = pathMap.getScaledPath('MARKER_COMPENSATION', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: ((element.width / 2 + position.compensation) / element.width),\n my: (element.height - 13) / element.height\n }\n });\n\n drawMarker('compensation', p, markerMath, { strokeWidth: 1 });\n },\n 'LoopMarker': function(p, element, position) {\n var markerPath = pathMap.getScaledPath('MARKER_LOOP', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: ((element.width / 2 + position.loop) / element.width),\n my: (element.height - 7) / element.height\n }\n });\n\n drawMarker('loop', p, markerPath, {\n strokeWidth: 1,\n fill: 'none',\n strokeLinecap: 'round',\n strokeMiterlimit: 0.5\n });\n },\n 'AdhocMarker': function(p, element, position) {\n var markerPath = pathMap.getScaledPath('MARKER_ADHOC', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: ((element.width / 2 + position.adhoc) / element.width),\n my: (element.height - 15) / element.height\n }\n });\n\n drawMarker('adhoc', p, markerPath, {\n strokeWidth: 1,\n fill: 'black'\n });\n }\n };\n\n function attachTaskMarkers(p, element, taskMarkers) {\n var obj = getSemantic(element);\n\n var subprocess = includes(taskMarkers, 'SubProcessMarker');\n var position;\n\n if (subprocess) {\n position = {\n seq: -21,\n parallel: -22,\n compensation: -42,\n loop: -18,\n adhoc: 10\n };\n } else {\n position = {\n seq: -3,\n parallel: -6,\n compensation: -27,\n loop: 0,\n adhoc: 10\n };\n }\n\n forEach(taskMarkers, function(marker) {\n renderer(marker)(p, element, position);\n });\n\n if (obj.isForCompensation) {\n renderer('CompensationMarker')(p, element, position);\n }\n\n if (obj.$type === 'bpmn:AdHocSubProcess') {\n renderer('AdhocMarker')(p, element, position);\n }\n\n var loopCharacteristics = obj.loopCharacteristics,\n isSequential = loopCharacteristics && loopCharacteristics.isSequential;\n\n if (loopCharacteristics) {\n\n if (isSequential === undefined) {\n renderer('LoopMarker')(p, element, position);\n }\n\n if (isSequential === false) {\n renderer('ParallelMarker')(p, element, position);\n }\n\n if (isSequential === true) {\n renderer('SequentialMarker')(p, element, position);\n }\n }\n }\n\n function renderDataItemCollection(p, element) {\n\n var yPosition = (element.height - 16) / element.height;\n\n var pathData = pathMap.getScaledPath('DATA_OBJECT_COLLECTION_PATH', {\n xScaleFactor: 1,\n yScaleFactor: 1,\n containerWidth: element.width,\n containerHeight: element.height,\n position: {\n mx: 0.451,\n my: yPosition\n }\n });\n\n /* collection path */ drawPath(p, pathData, {\n strokeWidth: 2\n });\n }\n\n // hook onto canvas init event to initialize\n // connection start/end markers on svg\n eventBus.on('canvas.init', function(event) {\n initMarkers(event.svg);\n });\n}\n\n\ninherits(BpmnRenderer, BaseRenderer);\n\nBpmnRenderer.$inject = [ 'eventBus', 'styles', 'pathMap' ];\n\nmodule.exports = BpmnRenderer;\n\n\nBpmnRenderer.prototype.canRender = function(element) {\n return is(element, 'bpmn:BaseElement');\n};\n\nBpmnRenderer.prototype.drawShape = function(visuals, element) {\n var type = element.type;\n var h = this.handlers[type];\n\n /* jshint -W040 */\n return h(visuals, element);\n};\n\nBpmnRenderer.prototype.drawConnection = function(visuals, element) {\n var type = element.type;\n var h = this.handlers[type];\n\n /* jshint -W040 */\n return h(visuals, element);\n};\n\nBpmnRenderer.prototype.getShapePath = function(element) {\n\n if (is(element, 'bpmn:Event')) {\n return getCirclePath(element);\n }\n\n if (is(element, 'bpmn:Activity')) {\n return getRoundRectPath(element, TASK_BORDER_RADIUS);\n }\n\n if (is(element, 'bpmn:Gateway')) {\n return getDiamondPath(element);\n }\n\n return getRectPath(element);\n};\n\n\n///////// helper functions /////////////////////////////\n\n/**\n * Checks if eventDefinition of the given element matches with semantic type.\n *\n * @return {boolean} true if element is of the given semantic type\n */\nfunction isTypedEvent(event, eventDefinitionType, filter) {\n\n function matches(definition, filter) {\n return every(filter, function(val, key) {\n\n // we want a == conversion here, to be able to catch\n // undefined == false and friends\n /* jshint -W116 */\n return definition[key] == val;\n });\n }\n\n return some(event.eventDefinitions, function(definition) {\n return definition.$type === eventDefinitionType && matches(event, filter);\n });\n}\n\nfunction isThrowEvent(event) {\n return (event.$type === 'bpmn:IntermediateThrowEvent') || (event.$type === 'bpmn:EndEvent');\n}\n\nfunction isCollection(element) {\n return element.isCollection ||\n (element.elementObjectRef && element.elementObjectRef.isCollection);\n}\n\nfunction getDi(element) {\n return element.businessObject.di;\n}\n\nfunction getSemantic(element) {\n return element.businessObject;\n}\n\n\n\n/////// cropping path customizations /////////////////////////\n\nfunction getCirclePath(shape) {\n\n var cx = shape.x + shape.width / 2,\n cy = shape.y + shape.height / 2,\n radius = shape.width / 2;\n\n var circlePath = [\n ['M', cx, cy],\n ['m', 0, -radius],\n ['a', radius, radius, 0, 1, 1, 0, 2 * radius],\n ['a', radius, radius, 0, 1, 1, 0, -2 * radius],\n ['z']\n ];\n\n return componentsToPath(circlePath);\n}\n\nfunction getRoundRectPath(shape, borderRadius) {\n\n var x = shape.x,\n y = shape.y,\n width = shape.width,\n height = shape.height;\n\n var roundRectPath = [\n ['M', x + borderRadius, y],\n ['l', width - borderRadius * 2, 0],\n ['a', borderRadius, borderRadius, 0, 0, 1, borderRadius, borderRadius],\n ['l', 0, height - borderRadius * 2],\n ['a', borderRadius, borderRadius, 0, 0, 1, -borderRadius, borderRadius],\n ['l', borderRadius * 2 - width, 0],\n ['a', borderRadius, borderRadius, 0, 0, 1, -borderRadius, -borderRadius],\n ['l', 0, borderRadius * 2 - height],\n ['a', borderRadius, borderRadius, 0, 0, 1, borderRadius, -borderRadius],\n ['z']\n ];\n\n return componentsToPath(roundRectPath);\n}\n\nfunction getDiamondPath(shape) {\n\n var width = shape.width,\n height = shape.height,\n x = shape.x,\n y = shape.y,\n halfWidth = width / 2,\n halfHeight = height / 2;\n\n var diamondPath = [\n ['M', x + halfWidth, y],\n ['l', halfWidth, halfHeight],\n ['l', -halfWidth, halfHeight],\n ['l', -halfWidth, -halfHeight],\n ['z']\n ];\n\n return componentsToPath(diamondPath);\n}\n\nfunction getRectPath(shape) {\n var x = shape.x,\n y = shape.y,\n width = shape.width,\n height = shape.height;\n\n var rectPath = [\n ['M', x, y],\n ['l', width, 0],\n ['l', 0, height],\n ['l', -width, 0],\n ['z']\n ];\n\n return componentsToPath(rectPath);\n}\n","'use strict';\n\nvar Snap = require(240);\n\n/**\n * Map containing SVG paths needed by BpmnRenderer.\n */\n\nfunction PathMap() {\n\n /**\n * Contains a map of path elements\n *\n * <h1>Path definition</h1>\n * A parameterized path is defined like this:\n * <pre>\n * 'GATEWAY_PARALLEL': {\n * d: 'm {mx},{my} {e.x0},0 0,{e.x1} {e.x1},0 0,{e.y0} -{e.x1},0 0,{e.y1} ' +\n '-{e.x0},0 0,-{e.y1} -{e.x1},0 0,-{e.y0} {e.x1},0 z',\n * height: 17.5,\n * width: 17.5,\n * heightElements: [2.5, 7.5],\n * widthElements: [2.5, 7.5]\n * }\n * </pre>\n * <p>It's important to specify a correct <b>height and width</b> for the path as the scaling\n * is based on the ratio between the specified height and width in this object and the\n * height and width that is set as scale target (Note x,y coordinates will be scaled with\n * individual ratios).</p>\n * <p>The '<b>heightElements</b>' and '<b>widthElements</b>' array must contain the values that will be scaled.\n * The scaling is based on the computed ratios.\n * Coordinates on the y axis should be in the <b>heightElement</b>'s array, they will be scaled using\n * the computed ratio coefficient.\n * In the parameterized path the scaled values can be accessed through the 'e' object in {} brackets.\n * <ul>\n * <li>The values for the y axis can be accessed in the path string using {e.y0}, {e.y1}, ....</li>\n * <li>The values for the x axis can be accessed in the path string using {e.x0}, {e.x1}, ....</li>\n * </ul>\n * The numbers x0, x1 respectively y0, y1, ... map to the corresponding array index.\n * </p>\n */\n this.pathMap = {\n 'EVENT_MESSAGE': {\n d: 'm {mx},{my} l 0,{e.y1} l {e.x1},0 l 0,-{e.y1} z l {e.x0},{e.y0} l {e.x0},-{e.y0}',\n height: 36,\n width: 36,\n heightElements: [6, 14],\n widthElements: [10.5, 21]\n },\n 'EVENT_SIGNAL': {\n d: 'M {mx},{my} l {e.x0},{e.y0} l -{e.x1},0 Z',\n height: 36,\n width: 36,\n heightElements: [18],\n widthElements: [10, 20]\n },\n 'EVENT_ESCALATION': {\n d: 'm {mx},{my} c -{e.x1},{e.y0} -{e.x3},{e.y1} -{e.x5},{e.y4} {e.x1},-{e.y3} {e.x3},-{e.y5} {e.x5},-{e.y6} ' +\n '{e.x0},{e.y3} {e.x2},{e.y5} {e.x4},{e.y6} -{e.x0},-{e.y0} -{e.x2},-{e.y1} -{e.x4},-{e.y4} z',\n height: 36,\n width: 36,\n heightElements: [2.382, 4.764, 4.926, 6.589333, 7.146, 13.178667, 19.768],\n widthElements: [2.463, 2.808, 4.926, 5.616, 7.389, 8.424]\n },\n 'EVENT_CONDITIONAL': {\n d: 'M {e.x0},{e.y0} l {e.x1},0 l 0,{e.y2} l -{e.x1},0 Z ' +\n 'M {e.x2},{e.y3} l {e.x0},0 ' +\n 'M {e.x2},{e.y4} l {e.x0},0 ' +\n 'M {e.x2},{e.y5} l {e.x0},0 ' +\n 'M {e.x2},{e.y6} l {e.x0},0 ' +\n 'M {e.x2},{e.y7} l {e.x0},0 ' +\n 'M {e.x2},{e.y8} l {e.x0},0 ',\n height: 36,\n width: 36,\n heightElements: [8.5, 14.5, 18, 11.5, 14.5, 17.5, 20.5, 23.5, 26.5],\n widthElements: [10.5, 14.5, 12.5]\n },\n 'EVENT_LINK': {\n d: 'm {mx},{my} 0,{e.y0} -{e.x1},0 0,{e.y1} {e.x1},0 0,{e.y0} {e.x0},-{e.y2} -{e.x0},-{e.y2} z',\n height: 36,\n width: 36,\n heightElements: [4.4375, 6.75, 7.8125],\n widthElements: [9.84375, 13.5]\n },\n 'EVENT_ERROR': {\n d: 'm {mx},{my} {e.x0},-{e.y0} {e.x1},-{e.y1} {e.x2},{e.y2} {e.x3},-{e.y3} -{e.x4},{e.y4} -{e.x5},-{e.y5} z',\n height: 36,\n width: 36,\n heightElements: [0.023, 8.737, 8.151, 16.564, 10.591, 8.714],\n widthElements: [0.085, 6.672, 6.97, 4.273, 5.337, 6.636]\n },\n 'EVENT_CANCEL_45': {\n d: 'm {mx},{my} -{e.x1},0 0,{e.x0} {e.x1},0 0,{e.y1} {e.x0},0 ' +\n '0,-{e.y1} {e.x1},0 0,-{e.y0} -{e.x1},0 0,-{e.y1} -{e.x0},0 z',\n height: 36,\n width: 36,\n heightElements: [4.75, 8.5],\n widthElements: [4.75, 8.5]\n },\n 'EVENT_COMPENSATION': {\n d: 'm {mx},{my} {e.x0},-{e.y0} 0,{e.y1} z m {e.x1},-{e.y2} {e.x2},-{e.y3} 0,{e.y1} -{e.x2},-{e.y3} z',\n height: 36,\n width: 36,\n heightElements: [6.5, 13, 0.4, 6.1],\n widthElements: [9, 9.3, 8.7]\n },\n 'EVENT_TIMER_WH': {\n d: 'M {mx},{my} l {e.x0},-{e.y0} m -{e.x0},{e.y0} l {e.x1},{e.y1} ',\n height: 36,\n width: 36,\n heightElements: [10, 2],\n widthElements: [3, 7]\n },\n 'EVENT_TIMER_LINE': {\n d: 'M {mx},{my} ' +\n 'm {e.x0},{e.y0} l -{e.x1},{e.y1} ',\n height: 36,\n width: 36,\n heightElements: [10, 3],\n widthElements: [0, 0]\n },\n 'EVENT_MULTIPLE': {\n d:'m {mx},{my} {e.x1},-{e.y0} {e.x1},{e.y0} -{e.x0},{e.y1} -{e.x2},0 z',\n height: 36,\n width: 36,\n heightElements: [6.28099, 12.56199],\n widthElements: [3.1405, 9.42149, 12.56198]\n },\n 'EVENT_PARALLEL_MULTIPLE': {\n d:'m {mx},{my} {e.x0},0 0,{e.y1} {e.x1},0 0,{e.y0} -{e.x1},0 0,{e.y1} ' +\n '-{e.x0},0 0,-{e.y1} -{e.x1},0 0,-{e.y0} {e.x1},0 z',\n height: 36,\n width: 36,\n heightElements: [2.56228, 7.68683],\n widthElements: [2.56228, 7.68683]\n },\n 'GATEWAY_EXCLUSIVE': {\n d:'m {mx},{my} {e.x0},{e.y0} {e.x1},{e.y0} {e.x2},0 {e.x4},{e.y2} ' +\n '{e.x4},{e.y1} {e.x2},0 {e.x1},{e.y3} {e.x0},{e.y3} ' +\n '{e.x3},0 {e.x5},{e.y1} {e.x5},{e.y2} {e.x3},0 z',\n height: 17.5,\n width: 17.5,\n heightElements: [8.5, 6.5312, -6.5312, -8.5],\n widthElements: [6.5, -6.5, 3, -3, 5, -5]\n },\n 'GATEWAY_PARALLEL': {\n d:'m {mx},{my} 0,{e.y1} -{e.x1},0 0,{e.y0} {e.x1},0 0,{e.y1} {e.x0},0 ' +\n '0,-{e.y1} {e.x1},0 0,-{e.y0} -{e.x1},0 0,-{e.y1} -{e.x0},0 z',\n height: 30,\n width: 30,\n heightElements: [5, 12.5],\n widthElements: [5, 12.5]\n },\n 'GATEWAY_EVENT_BASED': {\n d:'m {mx},{my} {e.x0},{e.y0} {e.x0},{e.y1} {e.x1},{e.y2} {e.x2},0 z',\n height: 11,\n width: 11,\n heightElements: [-6, 6, 12, -12],\n widthElements: [9, -3, -12]\n },\n 'GATEWAY_COMPLEX': {\n d:'m {mx},{my} 0,{e.y0} -{e.x0},-{e.y1} -{e.x1},{e.y2} {e.x0},{e.y1} -{e.x2},0 0,{e.y3} ' +\n '{e.x2},0 -{e.x0},{e.y1} l {e.x1},{e.y2} {e.x0},-{e.y1} 0,{e.y0} {e.x3},0 0,-{e.y0} {e.x0},{e.y1} ' +\n '{e.x1},-{e.y2} -{e.x0},-{e.y1} {e.x2},0 0,-{e.y3} -{e.x2},0 {e.x0},-{e.y1} -{e.x1},-{e.y2} ' +\n '-{e.x0},{e.y1} 0,-{e.y0} -{e.x3},0 z',\n height: 17.125,\n width: 17.125,\n heightElements: [4.875, 3.4375, 2.125, 3],\n widthElements: [3.4375, 2.125, 4.875, 3]\n },\n 'DATA_OBJECT_PATH': {\n d:'m 0,0 {e.x1},0 {e.x0},{e.y0} 0,{e.y1} -{e.x2},0 0,-{e.y2} {e.x1},0 0,{e.y0} {e.x0},0',\n height: 61,\n width: 51,\n heightElements: [10, 50, 60],\n widthElements: [10, 40, 50, 60]\n },\n 'DATA_OBJECT_COLLECTION_PATH': {\n d:'m {mx}, {my} ' +\n 'm 0 15 l 0 -15 ' +\n 'm 4 15 l 0 -15 ' +\n 'm 4 15 l 0 -15 ',\n height: 61,\n width: 51,\n heightElements: [12],\n widthElements: [1, 6, 12, 15]\n },\n 'DATA_ARROW': {\n d:'m 5,9 9,0 0,-3 5,5 -5,5 0,-3 -9,0 z',\n height: 61,\n width: 51,\n heightElements: [],\n widthElements: []\n },\n 'DATA_STORE': {\n d:'m {mx},{my} ' +\n 'l 0,{e.y2} ' +\n 'c {e.x0},{e.y1} {e.x1},{e.y1} {e.x2},0 ' +\n 'l 0,-{e.y2} ' +\n 'c -{e.x0},-{e.y1} -{e.x1},-{e.y1} -{e.x2},0' +\n 'c {e.x0},{e.y1} {e.x1},{e.y1} {e.x2},0 ' +\n 'm -{e.x2},{e.y0}' +\n 'c {e.x0},{e.y1} {e.x1},{e.y1} {e.x2},0' +\n 'm -{e.x2},{e.y0}' +\n 'c {e.x0},{e.y1} {e.x1},{e.y1} {e.x2},0',\n height: 61,\n width: 61,\n heightElements: [7, 10, 45],\n widthElements: [2, 58, 60]\n },\n 'TEXT_ANNOTATION': {\n d: 'm {mx}, {my} m 10,0 l -10,0 l 0,{e.y0} l 10,0',\n height: 30,\n width: 10,\n heightElements: [30],\n widthElements: [10]\n },\n 'MARKER_SUB_PROCESS': {\n d: 'm{mx},{my} m 7,2 l 0,10 m -5,-5 l 10,0',\n height: 10,\n width: 10,\n heightElements: [],\n widthElements: []\n },\n 'MARKER_PARALLEL': {\n d: 'm{mx},{my} m 3,2 l 0,10 m 3,-10 l 0,10 m 3,-10 l 0,10',\n height: 10,\n width: 10,\n heightElements: [],\n widthElements: []\n },\n 'MARKER_SEQUENTIAL': {\n d: 'm{mx},{my} m 0,3 l 10,0 m -10,3 l 10,0 m -10,3 l 10,0',\n height: 10,\n width: 10,\n heightElements: [],\n widthElements: []\n },\n 'MARKER_COMPENSATION': {\n d: 'm {mx},{my} 7,-5 0,10 z m 7.1,-0.3 6.9,-4.7 0,10 -6.9,-4.7 z',\n height: 10,\n width: 21,\n heightElements: [],\n widthElements: []\n },\n 'MARKER_LOOP': {\n d: 'm {mx},{my} c 3.526979,0 6.386161,-2.829858 6.386161,-6.320661 0,-3.490806 -2.859182,-6.320661 ' +\n '-6.386161,-6.320661 -3.526978,0 -6.38616,2.829855 -6.38616,6.320661 0,1.745402 ' +\n '0.714797,3.325567 1.870463,4.469381 0.577834,0.571908 1.265885,1.034728 2.029916,1.35457 ' +\n 'l -0.718163,-3.909793 m 0.718163,3.909793 -3.885211,0.802902',\n height: 13.9,\n width: 13.7,\n heightElements: [],\n widthElements: []\n },\n 'MARKER_ADHOC': {\n d: 'm {mx},{my} m 0.84461,2.64411 c 1.05533,-1.23780996 2.64337,-2.07882 4.29653,-1.97997996 2.05163,0.0805 ' +\n '3.85579,1.15803 5.76082,1.79107 1.06385,0.34139996 2.24454,0.1438 3.18759,-0.43767 0.61743,-0.33642 ' +\n '1.2775,-0.64078 1.7542,-1.17511 0,0.56023 0,1.12046 0,1.6807 -0.98706,0.96237996 -2.29792,1.62393996 ' +\n '-3.6918,1.66181996 -1.24459,0.0927 -2.46671,-0.2491 -3.59505,-0.74812 -1.35789,-0.55965 ' +\n '-2.75133,-1.33436996 -4.27027,-1.18121996 -1.37741,0.14601 -2.41842,1.13685996 -3.44288,1.96782996 z',\n height: 4,\n width: 15,\n heightElements: [],\n widthElements: []\n },\n 'TASK_TYPE_SEND': {\n d: 'm {mx},{my} l 0,{e.y1} l {e.x1},0 l 0,-{e.y1} z l {e.x0},{e.y0} l {e.x0},-{e.y0}',\n height: 14,\n width: 21,\n heightElements: [6, 14],\n widthElements: [10.5, 21]\n },\n 'TASK_TYPE_SCRIPT': {\n d: 'm {mx},{my} c 9.966553,-6.27276 -8.000926,-7.91932 2.968968,-14.938 l -8.802728,0 ' +\n 'c -10.969894,7.01868 6.997585,8.66524 -2.968967,14.938 z ' +\n 'm -7,-12 l 5,0 ' +\n 'm -4.5,3 l 4.5,0 ' +\n 'm -3,3 l 5,0' +\n 'm -4,3 l 5,0',\n height: 15,\n width: 12.6,\n heightElements: [6, 14],\n widthElements: [10.5, 21]\n },\n 'TASK_TYPE_USER_1': {\n d: 'm {mx},{my} c 0.909,-0.845 1.594,-2.049 1.594,-3.385 0,-2.554 -1.805,-4.62199999 ' +\n '-4.357,-4.62199999 -2.55199998,0 -4.28799998,2.06799999 -4.28799998,4.62199999 0,1.348 ' +\n '0.974,2.562 1.89599998,3.405 -0.52899998,0.187 -5.669,2.097 -5.794,4.7560005 v 6.718 ' +\n 'h 17 v -6.718 c 0,-2.2980005 -5.5279996,-4.5950005 -6.0509996,-4.7760005 z' +\n 'm -8,6 l 0,5.5 m 11,0 l 0,-5'\n },\n 'TASK_TYPE_USER_2': {\n d: 'm {mx},{my} m 2.162,1.009 c 0,2.4470005 -2.158,4.4310005 -4.821,4.4310005 ' +\n '-2.66499998,0 -4.822,-1.981 -4.822,-4.4310005 '\n },\n 'TASK_TYPE_USER_3': {\n d: 'm {mx},{my} m -6.9,-3.80 c 0,0 2.25099998,-2.358 4.27399998,-1.177 2.024,1.181 4.221,1.537 ' +\n '4.124,0.965 -0.098,-0.57 -0.117,-3.79099999 -4.191,-4.13599999 -3.57499998,0.001 ' +\n '-4.20799998,3.36699999 -4.20699998,4.34799999 z'\n },\n 'TASK_TYPE_MANUAL': {\n d: 'm {mx},{my} c 0.234,-0.01 5.604,0.008 8.029,0.004 0.808,0 1.271,-0.172 1.417,-0.752 0.227,-0.898 ' +\n '-0.334,-1.314 -1.338,-1.316 -2.467,-0.01 -7.886,-0.004 -8.108,-0.004 -0.014,-0.079 0.016,-0.533 0,-0.61 ' +\n '0.195,-0.042 8.507,0.006 9.616,0.002 0.877,-0.007 1.35,-0.438 1.353,-1.208 0.003,-0.768 -0.479,-1.09 ' +\n '-1.35,-1.091 -2.968,-0.002 -9.619,-0.013 -9.619,-0.013 v -0.591 c 0,0 5.052,-0.016 7.225,-0.016 ' +\n '0.888,-0.002 1.354,-0.416 1.351,-1.193 -0.006,-0.761 -0.492,-1.196 -1.361,-1.196 -3.473,-0.005 ' +\n '-10.86,-0.003 -11.0829995,-0.003 -0.022,-0.047 -0.045,-0.094 -0.069,-0.139 0.3939995,-0.319 ' +\n '2.0409995,-1.626 2.4149995,-2.017 0.469,-0.4870005 0.519,-1.1650005 0.162,-1.6040005 -0.414,-0.511 ' +\n '-0.973,-0.5 -1.48,-0.236 -1.4609995,0.764 -6.5999995,3.6430005 -7.7329995,4.2710005 -0.9,0.499 ' +\n '-1.516,1.253 -1.882,2.19 -0.37000002,0.95 -0.17,2.01 -0.166,2.979 0.004,0.718 -0.27300002,1.345 ' +\n '-0.055,2.063 0.629,2.087 2.425,3.312 4.859,3.318 4.6179995,0.014 9.2379995,-0.139 13.8569995,-0.158 ' +\n '0.755,-0.004 1.171,-0.301 1.182,-1.033 0.012,-0.754 -0.423,-0.969 -1.183,-0.973 -1.778,-0.01 ' +\n '-5.824,-0.004 -6.04,-0.004 10e-4,-0.084 0.003,-0.586 10e-4,-0.67 z'\n },\n 'TASK_TYPE_INSTANTIATING_SEND': {\n d: 'm {mx},{my} l 0,8.4 l 12.6,0 l 0,-8.4 z l 6.3,3.6 l 6.3,-3.6'\n },\n 'TASK_TYPE_SERVICE': {\n d: 'm {mx},{my} v -1.71335 c 0.352326,-0.0705 0.703932,-0.17838 1.047628,-0.32133 ' +\n '0.344416,-0.14465 0.665822,-0.32133 0.966377,-0.52145 l 1.19431,1.18005 1.567487,-1.57688 ' +\n '-1.195028,-1.18014 c 0.403376,-0.61394 0.683079,-1.29908 0.825447,-2.01824 l 1.622133,-0.01 ' +\n 'v -2.2196 l -1.636514,0.01 c -0.07333,-0.35153 -0.178319,-0.70024 -0.323564,-1.04372 ' +\n '-0.145244,-0.34406 -0.321407,-0.6644 -0.522735,-0.96217 l 1.131035,-1.13631 -1.583305,-1.56293 ' +\n '-1.129598,1.13589 c -0.614052,-0.40108 -1.302883,-0.68093 -2.022633,-0.82247 l 0.0093,-1.61852 ' +\n 'h -2.241173 l 0.0042,1.63124 c -0.353763,0.0736 -0.705369,0.17977 -1.049785,0.32371 -0.344415,0.14437 ' +\n '-0.665102,0.32092 -0.9635006,0.52046 l -1.1698628,-1.15823 -1.5667691,1.5792 1.1684265,1.15669 ' +\n 'c -0.4026573,0.61283 -0.68308,1.29797 -0.8247287,2.01713 l -1.6588041,0.003 v 2.22174 ' +\n 'l 1.6724648,-0.006 c 0.073327,0.35077 0.1797598,0.70243 0.3242851,1.04472 0.1452428,0.34448 ' +\n '0.3214064,0.6644 0.5227339,0.96066 l -1.1993431,1.19723 1.5840256,1.56011 1.1964668,-1.19348 ' +\n 'c 0.6140517,0.40346 1.3028827,0.68232 2.0233517,0.82331 l 7.19e-4,1.69892 h 2.226848 z ' +\n 'm 0.221462,-3.9957 c -1.788948,0.7502 -3.8576,-0.0928 -4.6097055,-1.87438 -0.7521065,-1.78321 ' +\n '0.090598,-3.84627 1.8802645,-4.59604 1.78823,-0.74936 3.856881,0.0929 4.608987,1.87437 ' +\n '0.752106,1.78165 -0.0906,3.84612 -1.879546,4.59605 z'\n },\n 'TASK_TYPE_SERVICE_FILL': {\n d: 'm {mx},{my} c -1.788948,0.7502 -3.8576,-0.0928 -4.6097055,-1.87438 -0.7521065,-1.78321 ' +\n '0.090598,-3.84627 1.8802645,-4.59604 1.78823,-0.74936 3.856881,0.0929 4.608987,1.87437 ' +\n '0.752106,1.78165 -0.0906,3.84612 -1.879546,4.59605 z'\n },\n 'TASK_TYPE_BUSINESS_RULE_HEADER': {\n d: 'm {mx},{my} 0,4 20,0 0,-4 z'\n },\n 'TASK_TYPE_BUSINESS_RULE_MAIN': {\n d: 'm {mx},{my} 0,12 20,0 0,-12 z' +\n 'm 0,8 l 20,0 ' +\n 'm -13,-4 l 0,8'\n },\n 'MESSAGE_FLOW_MARKER': {\n d: 'm {mx},{my} m -10.5 ,-7 l 0,14 l 21,0 l 0,-14 z l 10.5,6 l 10.5,-6'\n }\n };\n\n this.getRawPath = function getRawPath(pathId) {\n return this.pathMap[pathId].d;\n };\n\n /**\n * Scales the path to the given height and width.\n * <h1>Use case</h1>\n * <p>Use case is to scale the content of elements (event, gateways) based\n * on the element bounding box's size.\n * </p>\n * <h1>Why not transform</h1>\n * <p>Scaling a path with transform() will also scale the stroke and IE does not support\n * the option 'non-scaling-stroke' to prevent this.\n * Also there are use cases where only some parts of a path should be\n * scaled.</p>\n *\n * @param {String} pathId The ID of the path.\n * @param {Object} param <p>\n * Example param object scales the path to 60% size of the container (data.width, data.height).\n * <pre>\n * {\n * xScaleFactor: 0.6,\n * yScaleFactor:0.6,\n * containerWidth: data.width,\n * containerHeight: data.height,\n * position: {\n * mx: 0.46,\n * my: 0.2,\n * }\n * }\n * </pre>\n * <ul>\n * <li>targetpathwidth = xScaleFactor * containerWidth</li>\n * <li>targetpathheight = yScaleFactor * containerHeight</li>\n * <li>Position is used to set the starting coordinate of the path. M is computed:\n * <ul>\n * <li>position.x * containerWidth</li>\n * <li>position.y * containerHeight</li>\n * </ul>\n * Center of the container <pre> position: {\n * mx: 0.5,\n * my: 0.5,\n * }</pre>\n * Upper left corner of the container\n * <pre> position: {\n * mx: 0.0,\n * my: 0.0,\n * }</pre>\n * </li>\n * </ul>\n * </p>\n *\n */\n this.getScaledPath = function getScaledPath(pathId, param) {\n var rawPath = this.pathMap[pathId];\n\n // positioning\n // compute the start point of the path\n var mx, my;\n\n if(!!param.abspos) {\n mx = param.abspos.x;\n my = param.abspos.y;\n } else {\n mx = param.containerWidth * param.position.mx;\n my = param.containerHeight * param.position.my;\n }\n\n var coordinates = {}; //map for the scaled coordinates\n if(param.position) {\n\n // path\n var heightRatio = (param.containerHeight / rawPath.height) * param.yScaleFactor;\n var widthRatio = (param.containerWidth / rawPath.width) * param.xScaleFactor;\n\n\n //Apply height ratio\n for (var heightIndex = 0; heightIndex < rawPath.heightElements.length; heightIndex++) {\n coordinates['y' + heightIndex] = rawPath.heightElements[heightIndex] * heightRatio;\n }\n\n //Apply width ratio\n for (var widthIndex = 0; widthIndex < rawPath.widthElements.length; widthIndex++) {\n coordinates['x' + widthIndex] = rawPath.widthElements[widthIndex] * widthRatio;\n }\n }\n\n //Apply value to raw path\n var path = Snap.format(\n rawPath.d, {\n mx: mx,\n my: my,\n e: coordinates\n }\n );\n return path;\n };\n}\n\nmodule.exports = PathMap;\n","module.exports = {\n __init__: [ 'bpmnRenderer' ],\n bpmnRenderer: [ 'type', require(4) ],\n pathMap: [ 'type', require(5) ]\n};\n","'use strict';\n\nvar inherits = require(243);\n\nvar is = require(70).is,\n getBoundingBox = require(221).getBBox;\n\nvar pick = require(383),\n assign = require(377),\n forEach = require(255),\n values = require(385),\n flatten = require(245),\n groupBy = require(256);\n\nvar CommandInterceptor = require(98);\n\nvar OFFSET = { top: 60, bottom: 60, left: 100, right: 100 };\nvar PADDING = { top: 2, bottom: 2, left: 15, right: 15 };\n\n/**\n * An auto resize component that takes care of expanding parent participants\n * and lanes if elements are modeled close to an edge of the parent element.\n */\nfunction AutoResize(eventBus, canvas, modeling, elementRegistry){\n\n CommandInterceptor.call(this, eventBus);\n\n this.postExecuted([ 'shape.create' ], function(event) {\n var context = event.context,\n shape = context.shape,\n parent = context.parent || context.newParent;\n\n expand([ shape ], parent);\n });\n\n this.postExecuted([ 'elements.move' ], function(event) {\n\n var context = event.context,\n elements = flatten(values(context.closure.topLevel));\n\n var expandings = groupBy(elements, function(element){\n return element.parent.id;\n });\n\n forEach(expandings, function(elements, parentId) {\n expand(elements, parentId);\n });\n });\n\n /**\n * Returns an object which indicates near which bounding edge(s)\n * of a target a bounding box is located.\n *\n * @param {Object} bbox bounding box object with x, y, width and height properties\n * @param {Shape} target\n * @param {Number} padding\n *\n * @return {Object} {top, bottom, left, right}\n *\n * @example\n *\n * // If the bounding box is near the bottom left corner of a target the return object is:\n * { top: false, bottom: true, left: true, right: false }\n *\n */\n function isInbounds(bbox, target, padding) {\n return {\n top: bbox.y < target.y + padding.top,\n bottom: bbox.y + bbox.height > target.y + target.height - padding.bottom,\n left: bbox.x < target.x + padding.left,\n right: bbox.x + bbox.width > target.x + target.width - padding.right,\n };\n }\n\n /**\n * Expand the target shape if the bounding box of the moved elements is near or on an edge,\n * considering the position of the bounding box in relation to the parent's edge plus padding.\n * The amount to expand can be defined for each edge in the OFFSET object.\n *\n * @param {Array<Shape>} elements\n * @param {Shape|String} target|targetId\n */\n function expand(elements, target) {\n\n if (typeof target === 'string') {\n target = elementRegistry.get(target);\n }\n\n var bbox = getBoundingBox(elements),\n canExpand = true;\n\n if (!is(target, 'bpmn:Participant') && !is(target, 'bpmn:Lane') && !(is(target, 'bpmn:SubProcess'))) {\n return;\n }\n\n forEach(elements, function(element) {\n\n if (is(element, 'bpmn:Lane') || element.labelTarget) {\n canExpand = false;\n return;\n }\n });\n\n if (!canExpand) {\n return;\n }\n\n var inbounds = isInbounds(bbox, target, PADDING);\n\n var newBounds = pick(target, [ 'x', 'y', 'width', 'height' ]);\n\n if (inbounds.top) {\n var topPosition = bbox.y - OFFSET.top;\n assign(newBounds, { y: topPosition, height: newBounds.height + newBounds.y - topPosition });\n }\n\n if (inbounds.bottom) {\n assign(newBounds, { height: bbox.y + bbox.height + OFFSET.bottom - newBounds.y });\n }\n\n if (inbounds.left) {\n var leftPosition = bbox.x - OFFSET.left;\n assign(newBounds, { x: leftPosition, width: newBounds.width + newBounds.x - leftPosition });\n }\n\n if (inbounds.right) {\n assign(newBounds, { width: bbox.x + bbox.width + OFFSET.right - newBounds.x });\n }\n\n if (is(target, 'bpmn:Participant')) {\n modeling.resizeLane(target, newBounds);\n } else {\n modeling.resizeShape(target, newBounds);\n }\n\n var parent = target.parent;\n\n // recursively expand parent elements\n if (parent) {\n expand([ target ], parent);\n }\n }\n}\n\nAutoResize.$inject = [ 'eventBus', 'canvas', 'modeling', 'elementRegistry' ];\n\ninherits(AutoResize, CommandInterceptor);\n\nmodule.exports = AutoResize;\n","module.exports = {\n __init__: [ 'autoResize' ],\n autoResize: [ 'type', require(7) ]\n};\n","'use strict';\n\n\nvar assign = require(377),\n forEach = require(255),\n isArray = require(368),\n is = require(70).is,\n isExpanded = require(68).isExpanded,\n isAny = require(45).isAny,\n getChildLanes = require(44).getChildLanes,\n isEventSubProcess = require(68).isEventSubProcess;\n\n\n/**\n * A provider for BPMN 2.0 elements context pad\n */\nfunction ContextPadProvider(contextPad, modeling, elementFactory,\n connect, create, popupMenu,\n canvas, rules, translate) {\n\n contextPad.registerProvider(this);\n\n this._contextPad = contextPad;\n\n this._modeling = modeling;\n\n this._elementFactory = elementFactory;\n this._connect = connect;\n this._create = create;\n this._popupMenu = popupMenu;\n this._canvas = canvas;\n this._rules = rules;\n this._translate = translate;\n}\n\nContextPadProvider.$inject = [\n 'contextPad',\n 'modeling',\n 'elementFactory',\n 'connect',\n 'create',\n 'popupMenu',\n 'canvas',\n 'rules',\n 'translate'\n];\n\nmodule.exports = ContextPadProvider;\n\n\nContextPadProvider.prototype.getContextPadEntries = function(element) {\n\n var contextPad = this._contextPad,\n modeling = this._modeling,\n\n elementFactory = this._elementFactory,\n connect = this._connect,\n create = this._create,\n popupMenu = this._popupMenu,\n canvas = this._canvas,\n rules = this._rules,\n\n translate = this._translate;\n\n var actions = {};\n\n if (element.type === 'label') {\n return actions;\n }\n\n var businessObject = element.businessObject;\n\n function startConnect(event, element, autoActivate) {\n connect.start(event, element, autoActivate);\n }\n\n function removeElement(e) {\n modeling.removeElements([ element ]);\n }\n\n function getReplaceMenuPosition(element) {\n\n var Y_OFFSET = 5;\n\n var diagramContainer = canvas.getContainer(),\n pad = contextPad.getPad(element).html;\n\n var diagramRect = diagramContainer.getBoundingClientRect(),\n padRect = pad.getBoundingClientRect();\n\n var top = padRect.top - diagramRect.top;\n var left = padRect.left - diagramRect.left;\n\n var pos = {\n x: left,\n y: top + padRect.height + Y_OFFSET\n };\n\n return pos;\n }\n\n\n /**\n * Create an append action\n *\n * @param {String} type\n * @param {String} className\n * @param {String} [title]\n * @param {Object} [options]\n *\n * @return {Object} descriptor\n */\n function appendAction(type, className, title, options) {\n\n if (typeof title !== 'string') {\n options = title;\n title = translate('Append {type}', { type: type.replace(/^bpmn/:/, '') });\n }\n\n function appendListener(event, element) {\n\n var shape = elementFactory.createShape(assign({ type: type }, options));\n create.start(event, shape, element);\n }\n\n return {\n group: 'model',\n className: className,\n title: title,\n action: {\n dragstart: appendListener,\n click: appendListener\n }\n };\n }\n\n function splitLaneHandler(count) {\n\n return function(event, element) {\n // actual split\n modeling.splitLane(element, count);\n\n // refresh context pad after split to\n // get rid of split icons\n contextPad.open(element, true);\n };\n }\n\n\n if (isAny(businessObject, [ 'bpmn:Lane', 'bpmn:Participant' ]) && isExpanded(businessObject)) {\n\n var childLanes = getChildLanes(element);\n\n assign(actions, {\n 'lane-insert-above': {\n group: 'lane-insert-above',\n className: 'bpmn-icon-lane-insert-above',\n title: translate('Add Lane above'),\n action: {\n click: function(event, element) {\n modeling.addLane(element, 'top');\n }\n }\n }\n });\n\n if (childLanes.length < 2) {\n\n if (element.height >= 120) {\n assign(actions, {\n 'lane-divide-two': {\n group: 'lane-divide',\n className: 'bpmn-icon-lane-divide-two',\n title: translate('Divide into two Lanes'),\n action: {\n click: splitLaneHandler(2)\n }\n }\n });\n }\n\n if (element.height >= 180) {\n assign(actions, {\n 'lane-divide-three': {\n group: 'lane-divide',\n className: 'bpmn-icon-lane-divide-three',\n title: translate('Divide into three Lanes'),\n action: {\n click: splitLaneHandler(3)\n }\n }\n });\n }\n }\n\n assign(actions, {\n 'lane-insert-below': {\n group: 'lane-insert-below',\n className: 'bpmn-icon-lane-insert-below',\n title: translate('Add Lane below'),\n action: {\n click: function(event, element) {\n modeling.addLane(element, 'bottom');\n }\n }\n }\n });\n\n }\n\n if (is(businessObject, 'bpmn:FlowNode')) {\n\n if (is(businessObject, 'bpmn:EventBasedGateway')) {\n\n assign(actions, {\n 'append.receive-task': appendAction('bpmn:ReceiveTask', 'bpmn-icon-receive-task'),\n 'append.message-intermediate-event': appendAction('bpmn:IntermediateCatchEvent',\n 'bpmn-icon-intermediate-event-catch-message',\n { eventDefinitionType: 'bpmn:MessageEventDefinition'}),\n 'append.timer-intermediate-event': appendAction('bpmn:IntermediateCatchEvent',\n 'bpmn-icon-intermediate-event-catch-timer',\n { eventDefinitionType: 'bpmn:TimerEventDefinition'}),\n 'append.condtion-intermediate-event': appendAction('bpmn:IntermediateCatchEvent',\n 'bpmn-icon-intermediate-event-catch-condition',\n { eventDefinitionType: 'bpmn:ConditionalEventDefinition'}),\n 'append.signal-intermediate-event': appendAction('bpmn:IntermediateCatchEvent',\n 'bpmn-icon-intermediate-event-catch-signal',\n { eventDefinitionType: 'bpmn:SignalEventDefinition'})\n });\n } else\n\n if (isEventType(businessObject, 'bpmn:BoundaryEvent', 'bpmn:CompensateEventDefinition')) {\n\n assign(actions, {\n 'append.compensation-activity':\n appendAction('bpmn:Task', 'bpmn-icon-task', translate('Append compensation activity'), {\n isForCompensation: true\n })\n });\n } else\n\n if (!is(businessObject, 'bpmn:EndEvent') &&\n !businessObject.isForCompensation &&\n !isEventType(businessObject, 'bpmn:IntermediateThrowEvent', 'bpmn:LinkEventDefinition') &&\n !isEventSubProcess(businessObject)) {\n\n assign(actions, {\n 'append.end-event': appendAction('bpmn:EndEvent', 'bpmn-icon-end-event-none'),\n 'append.gateway': appendAction('bpmn:ExclusiveGateway', 'bpmn-icon-gateway-xor'),\n 'append.append-task': appendAction('bpmn:Task', 'bpmn-icon-task'),\n 'append.intermediate-event': appendAction('bpmn:IntermediateThrowEvent',\n 'bpmn-icon-intermediate-event-none')\n });\n }\n }\n\n var replaceMenu;\n\n if (popupMenu._providers['bpmn-replace']) {\n replaceMenu = popupMenu.create('bpmn-replace', element);\n }\n\n if (replaceMenu && !replaceMenu.isEmpty()) {\n\n // Replace menu entry\n assign(actions, {\n 'replace': {\n group: 'edit',\n className: 'bpmn-icon-screw-wrench',\n title: translate('Change type'),\n action: {\n click: function(event, element) {\n replaceMenu.open(assign(getReplaceMenuPosition(element), {\n cursor: { x: event.x, y: event.y }\n }), element);\n }\n }\n }\n });\n }\n\n if (isAny(businessObject, [ 'bpmn:FlowNode', 'bpmn:InteractionNode' ]) ) {\n\n assign(actions, {\n 'append.text-annotation': appendAction('bpmn:TextAnnotation', 'bpmn-icon-text-annotation'),\n\n 'connect': {\n group: 'connect',\n className: 'bpmn-icon-connection-multi',\n title: translate('Connect using ' +\n (businessObject.isForCompensation ? '' : 'Sequence/MessageFlow or ') +\n 'Association'),\n action: {\n click: startConnect,\n dragstart: startConnect\n }\n }\n });\n }\n\n if (isAny(businessObject, [ 'bpmn:DataObjectReference', 'bpmn:DataStoreReference' ])) {\n assign(actions, {\n 'connect': {\n group: 'connect',\n className: 'bpmn-icon-connection-multi',\n title: translate('Connect using DataInputAssociation'),\n action: {\n click: startConnect,\n dragstart: startConnect\n }\n }\n });\n }\n\n // delete element entry, only show if allowed by rules\n var deleteAllowed = rules.allowed('elements.delete', { elements: [ element ]});\n\n if (isArray(deleteAllowed)) {\n // was the element returned as a deletion candidate?\n deleteAllowed = deleteAllowed[0] === element;\n }\n\n if (deleteAllowed) {\n assign(actions, {\n 'delete': {\n group: 'edit',\n className: 'bpmn-icon-trash',\n title: translate('Remove'),\n action: {\n click: removeElement,\n dragstart: removeElement\n }\n }\n });\n }\n\n return actions;\n};\n\nfunction isEventType(eventBo, type, definition) {\n\n var isType = eventBo.$instanceOf(type);\n var isDefinition = false;\n\n var definitions = eventBo.eventDefinitions || [];\n forEach(definitions, function(def) {\n if (def.$type === definition) {\n isDefinition = true;\n }\n });\n\n return isType && isDefinition;\n}\n","module.exports = {\n __depends__: [\n require(93),\n require(124),\n require(189),\n require(122),\n require(126),\n require(51)\n ],\n __init__: [ 'contextPadProvider' ],\n contextPadProvider: [ 'type', require(9) ]\n};","'use strict';\n\nfunction BpmnKeyBindings(keyboard, spaceTool, lassoTool, handTool, directEditing,\n selection, canvas, elementRegistry, editorActions) {\n\n var actions = {\n selectElements: function() {\n // select all elements except for the invisible\n // root element\n var rootElement = canvas.getRootElement();\n\n var elements = elementRegistry.filter(function(element) {\n return element != rootElement;\n });\n\n selection.select(elements);\n },\n spaceTool: function() {\n spaceTool.toggle();\n },\n lassoTool: function() {\n lassoTool.toggle();\n },\n handTool: function() {\n handTool.toggle();\n },\n directEditing: function() {\n var currentSelection = selection.get();\n\n if (currentSelection.length) {\n directEditing.activate(currentSelection[0]);\n }\n }\n };\n\n editorActions.register(actions);\n\n keyboard.addListener(function(key, modifiers) {\n\n // ctrl + a -> select all elements\n if (key === 65 && keyboard.isCmd(modifiers)) {\n editorActions.trigger('selectElements');\n\n return true;\n }\n\n if (keyboard.hasModifier(modifiers)) {\n return;\n }\n\n // s -> activate space tool\n if (key === 83) {\n editorActions.trigger('spaceTool');\n\n return true;\n }\n\n // l -> activate lasso tool\n if (key === 76) {\n editorActions.trigger('lassoTool');\n\n return true;\n }\n\n // h -> activate hand tool\n if (key === 72) {\n editorActions.trigger('handTool');\n\n return true;\n }\n\n // e -> activate direct editing\n if (key === 69) {\n editorActions.trigger('directEditing');\n\n return true;\n }\n });\n}\n\nBpmnKeyBindings.$inject = [\n 'keyboard',\n 'spaceTool',\n 'lassoTool',\n 'handTool',\n 'directEditing',\n 'selection',\n 'canvas',\n 'elementRegistry',\n 'editorActions'\n];\n\nmodule.exports = BpmnKeyBindings;\n","module.exports = {\n __depends__: [\n require(137)\n ],\n __init__: [ 'bpmnKeyBindings' ],\n bpmnKeyBindings: [ 'type', require(11) ]\n};","'use strict';\n\nvar UpdateLabelHandler = require(15);\n\nvar LabelUtil = require(14);\n\nvar is = require(70).is,\n isExpanded = require(68).isExpanded;\n\n\nvar MIN_BOUNDS = {\n width: 150,\n height: 50\n};\n\n\nfunction LabelEditingProvider(eventBus, canvas, directEditing, commandStack) {\n\n directEditing.registerProvider(this);\n commandStack.registerHandler('element.updateLabel', UpdateLabelHandler);\n\n // listen to dblclick on non-root elements\n eventBus.on('element.dblclick', function(event) {\n directEditing.activate(event.element);\n });\n\n // complete on followup canvas operation\n eventBus.on([ 'element.mousedown', 'drag.init', 'canvas.viewbox.changed' ], function(event) {\n directEditing.complete();\n });\n\n // cancel on command stack changes\n eventBus.on([ 'commandStack.changed' ], function() {\n directEditing.cancel();\n });\n\n\n // activate direct editing for activities and text annotations\n\n\n if ('ontouchstart' in document.documentElement) {\n // we deactivate automatic label editing on mobile devices\n // as it breaks the user interaction workflow\n\n // TODO(nre): we should temporarily focus the edited element here\n // and release the focused viewport after the direct edit operation is finished\n } else {\n eventBus.on('create.end', 500, function(e) {\n\n var element = e.shape,\n canExecute = e.context.canExecute;\n\n if (!canExecute) {\n return;\n }\n\n if (is(element, 'bpmn:Task') || is(element, 'bpmn:TextAnnotation') ||\n (is(element, 'bpmn:SubProcess') && !isExpanded(element))) {\n\n directEditing.activate(element);\n }\n });\n }\n\n this._canvas = canvas;\n this._commandStack = commandStack;\n}\n\nLabelEditingProvider.$inject = [ 'eventBus', 'canvas', 'directEditing', 'commandStack' ];\n\nmodule.exports = LabelEditingProvider;\n\n\nLabelEditingProvider.prototype.activate = function(element) {\n\n var text = LabelUtil.getLabel(element);\n\n if (text === undefined) {\n return;\n }\n\n var bbox = this.getEditingBBox(element);\n\n // adjust for expanded pools AND lanes\n if ((is(element, 'bpmn:Participant') && isExpanded(element)) || is(element, 'bpmn:Lane')) {\n\n bbox.width = MIN_BOUNDS.width;\n bbox.height = MIN_BOUNDS.height;\n\n bbox.x = bbox.x + 10 - bbox.width / 2;\n bbox.y = bbox.mid.y - bbox.height / 2;\n }\n\n // ajust minumum size for task and activities\n if ((is(element, 'bpmn:Task') || is(element, 'bpmn:Activity') )) {\n\n if (bbox.width < 100) {\n bbox.width = 100;\n bbox.x = bbox.mid.x - bbox.width / 2;\n }\n\n if (bbox.height < 80) {\n bbox.height = 80;\n bbox.y = bbox.mid.y - bbox.height / 2;\n }\n }\n\n // adjust for expanded sub processes and collapsed pools\n if ((is(element, 'bpmn:SubProcess') && isExpanded(element)) ||\n (is(element, 'bpmn:Participant') && !isExpanded(element))) {\n\n bbox.width = element.width;\n bbox.height = MIN_BOUNDS.height;\n\n bbox.x = bbox.mid.x - element.width / 2;\n }\n\n return { bounds: bbox, text: text };\n};\n\n\nLabelEditingProvider.prototype.getEditingBBox = function(element, maxBounds) {\n\n var target = element.label || element;\n\n var bbox = this._canvas.getAbsoluteBBox(target);\n\n var mid = {\n x: bbox.x + bbox.width / 2,\n y: bbox.y + bbox.height / 2\n };\n\n // external label\n if (target.labelTarget) {\n bbox.width = Math.max(bbox.width, MIN_BOUNDS.width);\n bbox.height = Math.max(bbox.height, MIN_BOUNDS.height);\n\n bbox.x = mid.x - bbox.width / 2;\n }\n\n bbox.mid = mid;\n\n return bbox;\n};\n\n\nLabelEditingProvider.prototype.update = function(element, newLabel) {\n this._commandStack.execute('element.updateLabel', {\n element: element,\n newLabel: newLabel\n });\n};\n","'use strict';\n\nvar is = require(70).is;\n\nfunction getLabelAttr(semantic) {\n if (is(semantic, 'bpmn:FlowElement') ||\n is(semantic, 'bpmn:Participant') ||\n is(semantic, 'bpmn:Lane') ||\n is(semantic, 'bpmn:SequenceFlow') ||\n is(semantic, 'bpmn:MessageFlow')) {\n\n return 'name';\n }\n\n if (is(semantic, 'bpmn:TextAnnotation')) {\n return 'text';\n }\n}\n\nmodule.exports.getLabel = function(element) {\n var semantic = element.businessObject,\n attr = getLabelAttr(semantic);\n\n if (attr) {\n return semantic[attr] || '';\n }\n};\n\n\nmodule.exports.setLabel = function(element, text, isExternal) {\n var semantic = element.businessObject,\n attr = getLabelAttr(semantic);\n\n if (attr) {\n semantic[attr] = text;\n }\n\n // show external label if not empty\n if (isExternal) {\n element.hidden = !text;\n }\n\n return element;\n};","'use strict';\n\nvar LabelUtil = require(14);\n\n\n/**\n * A handler that updates the text of a BPMN element.\n */\nfunction UpdateLabelHandler() {\n\n /**\n * Set the label and return the changed elements.\n *\n * Element parameter can be label itself or connection (i.e. sequence flow).\n *\n * @param {djs.model.Base} element\n * @param {String} text\n */\n function setText(element, text) {\n\n // external label if present\n var label = element.label || element;\n\n var labelTarget = element.labelTarget || element;\n\n LabelUtil.setLabel(label, text, labelTarget !== label);\n\n return [ label, labelTarget ];\n }\n\n function execute(ctx) {\n ctx.oldLabel = LabelUtil.getLabel(ctx.element);\n return setText(ctx.element, ctx.newLabel);\n }\n\n function revert(ctx) {\n return setText(ctx.element, ctx.oldLabel);\n }\n\n // API\n\n this.execute = execute;\n this.revert = revert;\n}\n\nmodule.exports = UpdateLabelHandler;","module.exports = {\n __depends__: [\n require(100),\n require(120),\n require(93)\n ],\n __init__: [ 'labelEditingProvider' ],\n labelEditingProvider: [ 'type', require(13) ]\n};","'use strict';\n\nvar map = require(258),\n assign = require(377),\n pick = require(383);\n\n\nfunction BpmnFactory(moddle) {\n this._model = moddle;\n}\n\nBpmnFactory.$inject = [ 'moddle' ];\n\n\nBpmnFactory.prototype._needsId = function(element) {\n return element.$instanceOf('bpmn:RootElement') ||\n element.$instanceOf('bpmn:FlowElement') ||\n element.$instanceOf('bpmn:MessageFlow') ||\n element.$instanceOf('bpmn:DataAssociation') ||\n element.$instanceOf('bpmn:Artifact') ||\n element.$instanceOf('bpmn:Participant') ||\n element.$instanceOf('bpmn:Lane') ||\n element.$instanceOf('bpmn:Process') ||\n element.$instanceOf('bpmn:Collaboration') ||\n element.$instanceOf('bpmndi:BPMNShape') ||\n element.$instanceOf('bpmndi:BPMNEdge') ||\n element.$instanceOf('bpmndi:BPMNDiagram') ||\n element.$instanceOf('bpmndi:BPMNPlane') ||\n element.$instanceOf('bpmn:Property');\n};\n\nBpmnFactory.prototype._ensureId = function(element) {\n\n // generate semantic ids for elements\n // bpmn:SequenceFlow -> SequenceFlow_ID\n var prefix = (element.$type || '').replace(/^[^:]*:/g, '') + '_';\n\n if (!element.id && this._needsId(element)) {\n element.id = this._model.ids.nextPrefixed(prefix, element);\n }\n};\n\n\nBpmnFactory.prototype.create = function(type, attrs) {\n var element = this._model.create(type, attrs || {});\n\n this._ensureId(element);\n\n return element;\n};\n\n\nBpmnFactory.prototype.createDiLabel = function() {\n return this.create('bpmndi:BPMNLabel', {\n bounds: this.createDiBounds()\n });\n};\n\n\nBpmnFactory.prototype.createDiShape = function(semantic, bounds, attrs) {\n\n return this.create('bpmndi:BPMNShape', assign({\n bpmnElement: semantic,\n bounds: this.createDiBounds(bounds)\n }, attrs));\n};\n\n\nBpmnFactory.prototype.createDiBounds = function(bounds) {\n return this.create('dc:Bounds', bounds);\n};\n\n\nBpmnFactory.prototype.createDiWaypoints = function(waypoints) {\n return map(waypoints, function(pos) {\n return this.createDiWaypoint(pos);\n }, this);\n};\n\nBpmnFactory.prototype.createDiWaypoint = function(point) {\n return this.create('dc:Point', pick(point, [ 'x', 'y' ]));\n};\n\n\nBpmnFactory.prototype.createDiEdge = function(semantic, waypoints, attrs) {\n return this.create('bpmndi:BPMNEdge', assign({\n bpmnElement: semantic\n }, attrs));\n};\n\nBpmnFactory.prototype.createDiPlane = function(semantic) {\n return this.create('bpmndi:BPMNPlane', {\n bpmnElement: semantic\n });\n};\n\nmodule.exports = BpmnFactory;\n","'use strict';\n\nvar inherits = require(243);\n\nvar assign = require(377);\n\nvar BaseLayouter = require(206),\n ManhattanLayout = require(209);\n\nvar LayoutUtil = require(208);\n\nvar getMid = LayoutUtil.getMid,\n getOrientation = LayoutUtil.getOrientation;\n\nvar is = require(70).is;\n\n\nfunction BpmnLayouter() {}\n\ninherits(BpmnLayouter, BaseLayouter);\n\nmodule.exports = BpmnLayouter;\n\n\nBpmnLayouter.prototype.layoutConnection = function(connection, layoutHints) {\n var source = connection.source,\n target = connection.target,\n waypoints = connection.waypoints,\n start,\n end;\n\n var manhattanOptions,\n updatedWaypoints;\n\n start = getConnectionDocking(waypoints, 0, source);\n end = getConnectionDocking(waypoints, waypoints && waypoints.length - 1, target);\n\n // TODO (nre): support vertical modeling\n // and invert preferredLayouts accordingly\n\n if (is(connection, 'bpmn:Association') ||\n is(connection, 'bpmn:DataAssociation')) {\n\n if (waypoints && !isCompensationAssociation(connection)) {\n return waypoints;\n }\n }\n\n // manhattan layout sequence / message flows\n if (is(connection, 'bpmn:MessageFlow')) {\n manhattanOptions = {\n preferredLayouts: [ 'straight', 'v:v' ]\n };\n\n if (is(target, 'bpmn:Event')) {\n manhattanOptions = {\n preferredLayouts: [ 'v:v' ]\n };\n }\n } else\n\n\n // layout all connection between flow elements h:h,\n //\n // except for\n //\n // (1) outgoing of BoundaryEvents -> layout h:v or v:h based on attach orientation\n // (2) incoming / outgoing of Gateway -> v:h (outgoing), h:v (incoming)\n //\n if (is(connection, 'bpmn:SequenceFlow') ||\n isCompensationAssociation(connection)) {\n\n // make sure boundary event connections do\n // not look ugly =:>\n if (is(source, 'bpmn:BoundaryEvent')) {\n\n var orientation = getAttachOrientation(source);\n\n if (/left|right/.test(orientation)) {\n manhattanOptions = {\n preferredLayouts: [ 'h:v' ]\n };\n } else\n\n if (/top|bottom/.test(orientation)) {\n manhattanOptions = {\n preferredLayouts: [ 'v:h' ]\n };\n }\n } else\n\n if (is(source, 'bpmn:Gateway')) {\n\n manhattanOptions = {\n preferredLayouts: [ 'v:h' ]\n };\n } else\n\n if (is(target, 'bpmn:Gateway')) {\n\n manhattanOptions = {\n preferredLayouts: [ 'h:v' ]\n };\n }\n\n // apply horizontal love <3\n else {\n manhattanOptions = {\n preferredLayouts: [ 'h:h' ]\n };\n }\n }\n\n if (manhattanOptions) {\n\n manhattanOptions = assign(manhattanOptions, layoutHints);\n\n updatedWaypoints =\n ManhattanLayout.repairConnection(\n source, target,\n start, end,\n waypoints,\n manhattanOptions);\n }\n\n return updatedWaypoints || [ start, end ];\n};\n\n\nfunction getAttachOrientation(attachedElement) {\n\n var hostElement = attachedElement.host,\n padding = -10;\n\n return getOrientation(getMid(attachedElement), hostElement, padding);\n}\n\n\nfunction getConnectionDocking(waypoints, idx, shape) {\n var point = waypoints && waypoints[idx];\n\n return point ? (point.original || point) : getMid(shape);\n}\n\nfunction isCompensationAssociation(connection) {\n\n var source = connection.source,\n target = connection.target;\n\n return is(target, 'bpmn:Activity') &&\n is(source, 'bpmn:BoundaryEvent') &&\n target.businessObject.isForCompensation;\n}","'use strict';\n\nvar assign = require(377),\n forEach = require(255),\n inherits = require(243);\n\nvar Collections = require(219),\n Model = require(210);\n\nvar getBusinessObject = require(70).getBusinessObject,\n is = require(70).is;\n\nvar CommandInterceptor = require(98);\n\n\n/**\n * A handler responsible for updating the underlying BPMN 2.0 XML + DI\n * once changes on the diagram happen\n */\nfunction BpmnUpdater(eventBus, bpmnFactory, connectionDocking, translate) {\n\n CommandInterceptor.call(this, eventBus);\n\n this._bpmnFactory = bpmnFactory;\n this._translate = translate;\n\n var self = this;\n\n\n\n ////// connection cropping /////////////////////////\n\n // crop connection ends during create/update\n function cropConnection(e) {\n var context = e.context,\n connection;\n\n if (!context.cropped) {\n connection = context.connection;\n connection.waypoints = connectionDocking.getCroppedWaypoints(connection);\n context.cropped = true;\n }\n }\n\n this.executed([\n 'connection.layout',\n 'connection.create',\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], cropConnection);\n\n this.reverted([ 'connection.layout' ], function(e) {\n delete e.context.cropped;\n });\n\n\n\n ////// BPMN + DI update /////////////////////////\n\n\n // update parent\n function updateParent(e) {\n var context = e.context;\n\n self.updateParent(context.shape || context.connection, context.oldParent);\n }\n\n function reverseUpdateParent(e) {\n var context = e.context;\n\n var element = context.shape || context.connection,\n // oldParent is the (old) new parent, because we are undoing\n oldParent = context.parent || context.newParent;\n\n self.updateParent(element, oldParent);\n }\n\n this.executed([ 'shape.move',\n 'shape.create',\n 'shape.delete',\n 'connection.create',\n 'connection.move',\n 'connection.delete' ], ifBpmn(updateParent));\n\n this.reverted([ 'shape.move',\n 'shape.create',\n 'shape.delete',\n 'connection.create',\n 'connection.move',\n 'connection.delete' ], ifBpmn(reverseUpdateParent));\n\n /*\n * ## Updating Parent\n *\n * When morphing a Process into a Collaboration or vice-versa,\n * make sure that both the *semantic* and *di* parent of each element\n * is updated.\n *\n */\n function updateRoot(event) {\n var context = event.context,\n oldRoot = context.oldRoot,\n children = oldRoot.children;\n\n forEach(children, function(child) {\n self.updateParent(child);\n });\n }\n\n this.executed([ 'canvas.updateRoot' ], updateRoot);\n this.reverted([ 'canvas.updateRoot' ], updateRoot);\n\n\n // update bounds\n function updateBounds(e) {\n var shape = e.context.shape;\n\n if (!is(shape, 'bpmn:BaseElement')) {\n return;\n }\n\n self.updateBounds(shape);\n }\n\n this.executed([ 'shape.move', 'shape.create', 'shape.resize' ], ifBpmn(updateBounds));\n this.reverted([ 'shape.move', 'shape.create', 'shape.resize' ], ifBpmn(updateBounds));\n\n\n // attach / detach connection\n function updateConnection(e) {\n self.updateConnection(e.context);\n }\n\n this.executed([\n 'connection.create',\n 'connection.move',\n 'connection.delete',\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], ifBpmn(updateConnection));\n\n this.reverted([\n 'connection.create',\n 'connection.move',\n 'connection.delete',\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], ifBpmn(updateConnection));\n\n\n // update waypoints\n function updateConnectionWaypoints(e) {\n self.updateConnectionWaypoints(e.context.connection);\n }\n\n this.executed([\n 'connection.layout',\n 'connection.move',\n 'connection.updateWaypoints',\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], ifBpmn(updateConnectionWaypoints));\n\n this.reverted([\n 'connection.layout',\n 'connection.move',\n 'connection.updateWaypoints',\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], ifBpmn(updateConnectionWaypoints));\n\n\n // update Default & Conditional flows\n this.executed([\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], ifBpmn(function(e) {\n var context = e.context,\n connection = context.connection,\n businessObject = getBusinessObject(connection),\n oldSource = getBusinessObject(context.oldSource),\n oldTarget = getBusinessObject(context.oldTarget),\n newSource = getBusinessObject(connection.source),\n newTarget = getBusinessObject(connection.target);\n\n if (oldSource === newSource || oldTarget === newTarget) {\n return;\n }\n\n // on reconnectStart -> default flow\n if (oldSource && oldSource.default) {\n context.default = oldSource.default;\n oldSource.default = undefined;\n }\n\n // on reconnectEnd -> default flow\n if ((businessObject.sourceRef && businessObject.sourceRef.default) && !is(newTarget, 'bpmn:Activity')) {\n context.default = businessObject.sourceRef.default;\n businessObject.sourceRef.default = undefined;\n }\n\n // on reconnectStart -> condtional flow\n if ((businessObject.conditionExpression) && is(oldSource, 'bpmn:Activity')) {\n context.conditionExpression = businessObject.conditionExpression;\n businessObject.conditionExpression = undefined;\n }\n\n // on reconnectEnd -> condtional flow\n if ((businessObject.conditionExpression) && !is(newTarget, 'bpmn:Activity')) {\n context.conditionExpression = businessObject.conditionExpression;\n businessObject.conditionExpression = undefined;\n }\n }));\n\n this.reverted([\n 'connection.reconnectEnd',\n 'connection.reconnectStart'\n ], ifBpmn(function(e) {\n var context = e.context,\n connection = context.connection,\n businessObject = getBusinessObject(connection),\n newSource = getBusinessObject(connection.source);\n\n // default flow\n if (context.default) {\n if (is(newSource, 'bpmn:ExclusiveGateway') || is(newSource, 'bpmn:InclusiveGateway') ||\n is(newSource, 'bpmn:Activity')) {\n newSource.default = context.default;\n }\n }\n\n // conditional flow\n if (context.conditionExpression && is(newSource, 'bpmn:Activity')) {\n businessObject.conditionExpression = context.conditionExpression;\n }\n }));\n\n // update attachments\n function updateAttachment(e) {\n self.updateAttachment(e.context);\n }\n\n this.executed([ 'element.updateAttachment' ], ifBpmn(updateAttachment));\n this.reverted([ 'element.updateAttachment' ], ifBpmn(updateAttachment));\n}\n\ninherits(BpmnUpdater, CommandInterceptor);\n\nmodule.exports = BpmnUpdater;\n\nBpmnUpdater.$inject = [ 'eventBus', 'bpmnFactory', 'connectionDocking', 'translate' ];\n\n\n/////// implementation //////////////////////////////////\n\nBpmnUpdater.prototype.updateAttachment = function(context) {\n\n var shape = context.shape,\n businessObject = shape.businessObject,\n host = shape.host;\n\n businessObject.attachedToRef = host && host.businessObject;\n};\n\nBpmnUpdater.prototype.updateParent = function(element, oldParent) {\n // do not update BPMN 2.0 label parent\n if (element instanceof Model.Label) {\n return;\n }\n\n var parentShape = element.parent;\n\n var businessObject = element.businessObject,\n parentBusinessObject = parentShape && parentShape.businessObject,\n parentDi = parentBusinessObject && parentBusinessObject.di;\n\n if (is(element, 'bpmn:FlowNode')) {\n this.updateFlowNodeRefs(businessObject, parentBusinessObject, oldParent && oldParent.businessObject);\n }\n\n if (is(element, 'bpmn:DataOutputAssociation')) {\n if (element.source) {\n parentBusinessObject = element.source.businessObject;\n } else {\n parentBusinessObject = null;\n }\n }\n\n if (is(element, 'bpmn:DataInputAssociation')) {\n if (element.target) {\n parentBusinessObject = element.target.businessObject;\n } else {\n parentBusinessObject = null;\n }\n }\n\n this.updateSemanticParent(businessObject, parentBusinessObject);\n\n if (is(element, 'bpmn:DataObjectReference') && businessObject.dataObjectRef) {\n this.updateSemanticParent(businessObject.dataObjectRef, parentBusinessObject);\n }\n\n this.updateDiParent(businessObject.di, parentDi);\n};\n\n\nBpmnUpdater.prototype.updateBounds = function(shape) {\n\n var di = shape.businessObject.di;\n\n var bounds = (shape instanceof Model.Label) ? this._getLabel(di).bounds : di.bounds;\n\n assign(bounds, {\n x: shape.x,\n y: shape.y,\n width: shape.width,\n height: shape.height\n });\n};\n\nBpmnUpdater.prototype.updateFlowNodeRefs = function(businessObject, newContainment, oldContainment) {\n\n if (oldContainment === newContainment) {\n return;\n }\n\n var oldRefs, newRefs;\n\n if (is (oldContainment, 'bpmn:Lane')) {\n oldRefs = oldContainment.get('flowNodeRef');\n Collections.remove(oldRefs, businessObject);\n }\n\n if (is(newContainment, 'bpmn:Lane')) {\n newRefs = newContainment.get('flowNodeRef');\n Collections.add(newRefs, businessObject);\n }\n};\n\nBpmnUpdater.prototype.updateDiParent = function(di, parentDi) {\n\n if (parentDi && !is(parentDi, 'bpmndi:BPMNPlane')) {\n parentDi = parentDi.$parent;\n }\n\n if (di.$parent === parentDi) {\n return;\n }\n\n var planeElements = (parentDi || di.$parent).get('planeElement');\n\n if (parentDi) {\n planeElements.push(di);\n di.$parent = parentDi;\n } else {\n Collections.remove(planeElements, di);\n di.$parent = null;\n }\n};\n\nfunction getDefinitions(element) {\n while (element && !is(element, 'bpmn:Definitions')) {\n element = element.$parent;\n }\n\n return element;\n}\n\nBpmnUpdater.prototype.getLaneSet = function(container) {\n\n var laneSet, laneSets;\n\n // bpmn:Lane\n if (is(container, 'bpmn:Lane')) {\n laneSet = container.childLaneSet;\n\n if (!laneSet) {\n laneSet = this._bpmnFactory.create('bpmn:LaneSet');\n container.childLaneSet = laneSet;\n laneSet.$parent = container;\n }\n\n return laneSet;\n }\n\n // bpmn:Participant\n if (is(container, 'bpmn:Participant')) {\n container = container.processRef;\n }\n\n // bpmn:FlowElementsContainer\n laneSets = container.get('laneSets');\n laneSet = laneSets[0];\n\n if (!laneSet) {\n laneSet = this._bpmnFactory.create('bpmn:LaneSet');\n laneSet.$parent = container;\n laneSets.push(laneSet);\n }\n\n return laneSet;\n};\n\nBpmnUpdater.prototype.updateSemanticParent = function(businessObject, newParent) {\n\n var containment,\n translate = this._translate;\n\n if (businessObject.$parent === newParent) {\n return;\n }\n\n if (is(businessObject, 'bpmn:Lane')) {\n\n if (newParent) {\n newParent = this.getLaneSet(newParent);\n }\n\n containment = 'lanes';\n } else\n\n if (is(businessObject, 'bpmn:FlowElement')) {\n\n if (newParent) {\n\n if (is(newParent, 'bpmn:Participant')) {\n newParent = newParent.processRef;\n } else\n\n if (is(newParent, 'bpmn:Lane')) {\n do {\n // unwrap Lane -> LaneSet -> (Lane | FlowElementsContainer)\n newParent = newParent.$parent.$parent;\n } while(is(newParent, 'bpmn:Lane'));\n\n }\n }\n\n containment = 'flowElements';\n\n } else\n\n if (is(businessObject, 'bpmn:Artifact')) {\n\n while (newParent &&\n !is(newParent, 'bpmn:Process') &&\n !is(newParent, 'bpmn:SubProcess') &&\n !is(newParent, 'bpmn:Collaboration')) {\n\n if (is(newParent, 'bpmn:Participant')) {\n newParent = newParent.processRef;\n break;\n } else {\n newParent = newParent.$parent;\n }\n }\n\n containment = 'artifacts';\n } else\n\n if (is(businessObject, 'bpmn:MessageFlow')) {\n containment = 'messageFlows';\n\n } else\n\n if (is(businessObject, 'bpmn:Participant')) {\n containment = 'participants';\n\n // make sure the participants process is properly attached / detached\n // from the XML document\n\n var process = businessObject.processRef,\n definitions;\n\n if (process) {\n definitions = getDefinitions(businessObject.$parent || newParent);\n\n if (businessObject.$parent) {\n Collections.remove(definitions.get('rootElements'), process);\n process.$parent = null;\n }\n\n if (newParent) {\n Collections.add(definitions.get('rootElements'), process);\n process.$parent = definitions;\n }\n }\n } else\n\n if (is(businessObject, 'bpmn:DataOutputAssociation')) {\n containment = 'dataOutputAssociations';\n } else\n\n if (is(businessObject, 'bpmn:DataInputAssociation')) {\n containment = 'dataInputAssociations';\n }\n\n if (!containment) {\n throw new Error(translate(\n 'no parent for {element} in {parent}',\n {\n element: businessObject.id,\n parent: newParent.id\n }\n ));\n }\n\n var children;\n\n if (businessObject.$parent) {\n // remove from old parent\n children = businessObject.$parent.get(containment);\n Collections.remove(children, businessObject);\n }\n\n if (!newParent) {\n businessObject.$parent = null;\n } else {\n // add to new parent\n children = newParent.get(containment);\n children.push(businessObject);\n businessObject.$parent = newParent;\n }\n};\n\n\nBpmnUpdater.prototype.updateConnectionWaypoints = function(connection) {\n connection.businessObject.di.set('waypoint', this._bpmnFactory.createDiWaypoints(connection.waypoints));\n};\n\n\nBpmnUpdater.prototype.updateConnection = function(context) {\n\n var connection = context.connection,\n businessObject = getBusinessObject(connection),\n newSource = getBusinessObject(connection.source),\n newTarget = getBusinessObject(connection.target);\n\n if (!is(businessObject, 'bpmn:DataAssociation')) {\n\n var inverseSet = is(businessObject, 'bpmn:SequenceFlow');\n\n if (businessObject.sourceRef !== newSource) {\n if (inverseSet) {\n Collections.remove(businessObject.sourceRef && businessObject.sourceRef.get('outgoing'), businessObject);\n\n if (newSource && newSource.get('outgoing')) {\n newSource.get('outgoing').push(businessObject);\n }\n }\n\n businessObject.sourceRef = newSource;\n }\n\n if (businessObject.targetRef !== newTarget) {\n if (inverseSet) {\n Collections.remove(businessObject.targetRef && businessObject.targetRef.get('incoming'), businessObject);\n\n if (newTarget && newTarget.get('incoming')) {\n newTarget.get('incoming').push(businessObject);\n }\n }\n\n businessObject.targetRef = newTarget;\n }\n } else\n\n if (is(businessObject, 'bpmn:DataInputAssociation')) {\n // handle obnoxious isMany sourceRef\n businessObject.get('sourceRef')[0] = newSource;\n\n // targetRef = new parent\n this.updateSemanticParent(businessObject, newTarget);\n } else\n\n if (is(businessObject, 'bpmn:DataOutputAssociation')) {\n // sourceRef = new parent\n this.updateSemanticParent(businessObject, newSource);\n\n // targetRef = new target\n businessObject.targetRef = newTarget;\n }\n\n this.updateConnectionWaypoints(connection);\n};\n\n\n/////// helpers /////////////////////////////////////////\n\nBpmnUpdater.prototype._getLabel = function(di) {\n if (!di.label) {\n di.label = this._bpmnFactory.createDiLabel();\n }\n\n return di.label;\n};\n\n\n/**\n * Make sure the event listener is only called\n * if the touched element is a BPMN element.\n *\n * @param {Function} fn\n * @return {Function} guarded function\n */\nfunction ifBpmn(fn) {\n\n return function(event) {\n\n var context = event.context,\n element = context.shape || context.connection;\n\n if (is(element, 'bpmn:BaseElement')) {\n fn(event);\n }\n };\n}\n","'use strict';\n\nvar assign = require(377),\n inherits = require(243);\n\nvar is = require(70).is;\n\nvar isExpanded = require(68).isExpanded;\n\nvar BaseElementFactory = require(102),\n LabelUtil = require(69);\n\n/**\n * A bpmn-aware factory for diagram-js shapes\n */\nfunction ElementFactory(bpmnFactory, moddle, translate) {\n BaseElementFactory.call(this);\n\n this._bpmnFactory = bpmnFactory;\n this._moddle = moddle;\n this._translate = translate;\n}\n\ninherits(ElementFactory, BaseElementFactory);\n\n\nElementFactory.$inject = [ 'bpmnFactory', 'moddle', 'translate' ];\n\nmodule.exports = ElementFactory;\n\nElementFactory.prototype.baseCreate = BaseElementFactory.prototype.create;\n\nElementFactory.prototype.create = function(elementType, attrs) {\n // no special magic for labels,\n // we assume their businessObjects have already been created\n // and wired via attrs\n if (elementType === 'label') {\n return this.baseCreate(elementType, assign({ type: 'label' }, LabelUtil.DEFAULT_LABEL_SIZE, attrs));\n }\n\n return this.createBpmnElement(elementType, attrs);\n};\n\nElementFactory.prototype.createBpmnElement = function(elementType, attrs) {\n var size,\n translate = this._translate;\n\n attrs = attrs || {};\n\n var businessObject = attrs.businessObject;\n\n if (!businessObject) {\n if (!attrs.type) {\n throw new Error(translate('no shape type specified'));\n }\n\n businessObject = this._bpmnFactory.create(attrs.type);\n }\n\n if (!businessObject.di) {\n if (elementType === 'root') {\n businessObject.di = this._bpmnFactory.createDiPlane(businessObject, [], {\n id: businessObject.id + '_di'\n });\n } else\n if (elementType === 'connection') {\n businessObject.di = this._bpmnFactory.createDiEdge(businessObject, [], {\n id: businessObject.id + '_di'\n });\n } else {\n businessObject.di = this._bpmnFactory.createDiShape(businessObject, {}, {\n id: businessObject.id + '_di'\n });\n }\n }\n\n if (attrs.processRef) {\n businessObject.processRef = attrs.processRef;\n }\n\n if (attrs.isExpanded) {\n businessObject.di.isExpanded = attrs.isExpanded;\n }\n\n if (is(businessObject, 'bpmn:ExclusiveGateway')) {\n businessObject.di.isMarkerVisible = true;\n }\n\n if (attrs.isInterrupting === false) {\n businessObject.isInterrupting = false;\n }\n\n if (attrs.associationDirection) {\n businessObject.associationDirection = attrs.associationDirection;\n }\n\n var eventDefinitions,\n newEventDefinition;\n\n if (attrs.eventDefinitionType) {\n eventDefinitions = businessObject.get('eventDefinitions') || [];\n newEventDefinition = this._moddle.create(attrs.eventDefinitionType);\n\n eventDefinitions.push(newEventDefinition);\n\n newEventDefinition.$parent = businessObject;\n businessObject.eventDefinitions = eventDefinitions;\n }\n\n if (attrs.isForCompensation) {\n businessObject.isForCompensation = true;\n }\n\n size = this._getDefaultSize(businessObject);\n\n attrs = assign({\n businessObject: businessObject,\n id: businessObject.id\n }, size, attrs);\n\n return this.baseCreate(elementType, attrs);\n};\n\n\nElementFactory.prototype._getDefaultSize = function(semantic) {\n\n if (is(semantic, 'bpmn:SubProcess')) {\n\n if (isExpanded(semantic)) {\n return { width: 350, height: 200 };\n } else {\n return { width: 100, height: 80 };\n }\n }\n\n if (is(semantic, 'bpmn:Task')) {\n return { width: 100, height: 80 };\n }\n\n if (is(semantic, 'bpmn:Gateway')) {\n return { width: 50, height: 50 };\n }\n\n if (is(semantic, 'bpmn:Event')) {\n return { width: 36, height: 36 };\n }\n\n if (is(semantic, 'bpmn:Participant')) {\n if (!isExpanded(semantic)) {\n return { width: 400, height: 100 };\n } else {\n return { width: 600, height: 250 };\n }\n }\n\n if (is(semantic, 'bpmn:Lane')) {\n return { width: 400, height: 100 };\n }\n\n if (is(semantic, 'bpmn:DataObjectReference')) {\n return { width: 36, height: 50 };\n }\n\n if (is(semantic, 'bpmn:DataStoreReference')) {\n return { width: 50, height: 50 };\n }\n\n if (is(semantic, 'bpmn:TextAnnotation')) {\n return { width: 100, height: 30 };\n }\n\n return { width: 100, height: 80 };\n};\n\n\nElementFactory.prototype.createParticipantShape = function(collapsed) {\n\n var attrs = { type: 'bpmn:Participant' };\n\n if (!collapsed) {\n attrs.processRef = this._bpmnFactory.create('bpmn:Process');\n }\n\n return this.createShape(attrs);\n};\n","'use strict';\n\nvar inherits = require(243);\n\nvar BaseModeling = require(142);\n\nvar UpdatePropertiesHandler = require(42),\n UpdateCanvasRootHandler = require(40),\n AddLaneHandler = require(37),\n SplitLaneHandler = require(39),\n ResizeLaneHandler = require(38),\n UpdateFlowNodeRefsHandler = require(41);\n\n\n/**\n * BPMN 2.0 modeling features activator\n *\n * @param {EventBus} eventBus\n * @param {ElementFactory} elementFactory\n * @param {CommandStack} commandStack\n * @param {BpmnRules} bpmnRules\n */\nfunction Modeling(eventBus, elementFactory, commandStack, bpmnRules) {\n BaseModeling.call(this, eventBus, elementFactory, commandStack);\n\n this._bpmnRules = bpmnRules;\n}\n\ninherits(Modeling, BaseModeling);\n\nModeling.$inject = [ 'eventBus', 'elementFactory', 'commandStack', 'bpmnRules' ];\n\nmodule.exports = Modeling;\n\n\nModeling.prototype.getHandlers = function() {\n var handlers = BaseModeling.prototype.getHandlers.call(this);\n\n handlers['element.updateProperties'] = UpdatePropertiesHandler;\n handlers['canvas.updateRoot'] = UpdateCanvasRootHandler;\n handlers['lane.add'] = AddLaneHandler;\n handlers['lane.resize'] = ResizeLaneHandler;\n handlers['lane.split'] = SplitLaneHandler;\n handlers['lane.updateRefs'] = UpdateFlowNodeRefsHandler;\n\n return handlers;\n};\n\n\nModeling.prototype.updateLabel = function(element, newLabel) {\n this._commandStack.execute('element.updateLabel', {\n element: element,\n newLabel: newLabel\n });\n};\n\n\nModeling.prototype.connect = function(source, target, attrs) {\n\n var bpmnRules = this._bpmnRules;\n\n if (!attrs) {\n attrs = bpmnRules.canConnect(source, target) || { type: 'bpmn:Association' };\n }\n\n return this.createConnection(source, target, attrs, source.parent);\n};\n\n\nModeling.prototype.updateProperties = function(element, properties) {\n this._commandStack.execute('element.updateProperties', {\n element: element,\n properties: properties\n });\n};\n\nModeling.prototype.resizeLane = function(laneShape, newBounds, balanced) {\n this._commandStack.execute('lane.resize', {\n shape: laneShape,\n newBounds: newBounds,\n balanced: balanced\n });\n};\n\nModeling.prototype.addLane = function(targetLaneShape, location) {\n var context = {\n shape: targetLaneShape,\n location: location\n };\n\n this._commandStack.execute('lane.add', context);\n\n return context.newLane;\n};\n\nModeling.prototype.splitLane = function(targetLane, count) {\n this._commandStack.execute('lane.split', {\n shape: targetLane,\n count: count\n });\n};\n\n/**\n * Transform the current diagram into a collaboration.\n *\n * @return {djs.model.Root} the new root element\n */\nModeling.prototype.makeCollaboration = function() {\n\n var collaborationElement = this._create('root', {\n type: 'bpmn:Collaboration'\n });\n\n var context = {\n newRoot: collaborationElement\n };\n\n this._commandStack.execute('canvas.updateRoot', context);\n\n return collaborationElement;\n};\n\nModeling.prototype.updateLaneRefs = function(flowNodeShapes, laneShapes) {\n\n this._commandStack.execute('lane.updateRefs', {\n flowNodeShapes: flowNodeShapes,\n laneShapes: laneShapes\n });\n};\n\n/**\n * Transform the current diagram into a process.\n *\n * @return {djs.model.Root} the new root element\n */\nModeling.prototype.makeProcess = function() {\n\n var processElement = this._create('root', {\n type: 'bpmn:Process'\n });\n\n var context = {\n newRoot: processElement\n };\n\n this._commandStack.execute('canvas.updateRoot', context);\n};\n","'use strict';\n\nvar inherits = require(243);\n\nvar is = require(70).is;\n\nvar CommandInterceptor = require(98);\n\n\nfunction AppendBehavior(eventBus, elementFactory, bpmnRules) {\n\n CommandInterceptor.call(this, eventBus);\n\n // assign correct shape position unless already set\n\n this.preExecute('shape.append', function(context) {\n\n var source = context.source,\n shape = context.shape;\n\n if (!context.position) {\n\n if (is(shape, 'bpmn:TextAnnotation')) {\n context.position = {\n x: source.x + source.width / 2 + 75,\n y: source.y - (50) - shape.height / 2\n };\n } else {\n context.position = {\n x: source.x + source.width + 80 + shape.width / 2,\n y: source.y + source.height / 2\n };\n }\n }\n }, true);\n}\n\n\nAppendBehavior.$inject = [ 'eventBus', 'elementFactory', 'bpmnRules' ];\n\ninherits(AppendBehavior, CommandInterceptor);\n\nmodule.exports = AppendBehavior;","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\n\n/**\n * BPMN specific create boundary event behavior\n */\nfunction CreateBoundaryEventBehavior(eventBus, modeling, elementFactory, bpmnFactory) {\n\n CommandInterceptor.call(this, eventBus);\n\n /**\n * replace intermediate event with boundary event when\n * attaching it to a shape\n */\n\n this.preExecute('shape.create', function(context) {\n var shape = context.shape,\n host = context.host,\n businessObject,\n boundaryEvent;\n\n var attrs = {\n cancelActivity: true\n };\n\n if (host && is(shape, 'bpmn:IntermediateThrowEvent')) {\n attrs.attachedToRef = host.businessObject;\n\n businessObject = bpmnFactory.create('bpmn:BoundaryEvent', attrs);\n\n boundaryEvent = {\n type: 'bpmn:BoundaryEvent',\n businessObject: businessObject\n };\n\n context.shape = elementFactory.createShape(boundaryEvent);\n }\n }, true);\n}\n\nCreateBoundaryEventBehavior.$inject = [ 'eventBus', 'modeling', 'elementFactory', 'bpmnFactory' ];\n\ninherits(CreateBoundaryEventBehavior, CommandInterceptor);\n\nmodule.exports = CreateBoundaryEventBehavior;\n","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\n/**\n * BPMN specific create data object behavior\n */\nfunction CreateDataObjectBehavior(eventBus, bpmnFactory, moddle) {\n\n CommandInterceptor.call(this, eventBus);\n\n this.preExecute('shape.create', function(event) {\n\n var context = event.context,\n shape = context.shape;\n\n if (is(shape, 'bpmn:DataObjectReference') && shape.type !== 'label') {\n\n // create a DataObject every time a DataObjectReference is created\n var dataObject = bpmnFactory.create('bpmn:DataObject');\n\n // set the reference to the DataObject\n shape.businessObject.dataObjectRef = dataObject;\n }\n });\n\n}\n\nCreateDataObjectBehavior.$inject = [ 'eventBus', 'bpmnFactory', 'moddle' ];\n\ninherits(CreateDataObjectBehavior, CommandInterceptor);\n\nmodule.exports = CreateDataObjectBehavior;\n","'use strict';\n\nvar inherits = require(243);\n\nvar assign = require(377);\n\nvar CommandInterceptor = require(98);\n\nvar getApproxIntersection = require(226).getApproxIntersection;\n\n\nfunction copy(obj) {\n return assign({}, obj);\n}\n\nfunction CreateOnFlowBehavior(eventBus, bpmnRules, modeling) {\n\n CommandInterceptor.call(this, eventBus);\n\n /**\n * Reconnect start / end of a connection after\n * dropping an element on a flow.\n */\n\n this.preExecute('shape.create', function(context) {\n\n var parent = context.parent,\n shape = context.shape;\n\n if (bpmnRules.canInsert(shape, parent)) {\n context.targetFlow = parent;\n context.parent = parent.parent;\n }\n }, true);\n\n\n this.postExecute('shape.create', function(context) {\n\n var shape = context.shape,\n targetFlow = context.targetFlow,\n position = context.position,\n source,\n target,\n reconnected,\n intersection,\n waypoints,\n waypointsBefore,\n waypointsAfter,\n dockingPoint;\n\n if (targetFlow) {\n\n waypoints = targetFlow.waypoints;\n\n\n intersection = getApproxIntersection(waypoints, position);\n\n if (intersection) {\n waypointsBefore = waypoints.slice(0, intersection.index);\n waypointsAfter = waypoints.slice(intersection.index + (intersection.bendpoint ? 1 : 0));\n\n dockingPoint = intersection.bendpoint ? waypoints[intersection.index] : position;\n\n waypointsBefore.push(copy(dockingPoint));\n waypointsAfter.unshift(copy(dockingPoint));\n }\n\n source = targetFlow.source;\n target = targetFlow.target;\n\n if (bpmnRules.canConnect(source, shape, targetFlow)) {\n // reconnect source -> inserted shape\n modeling.reconnectEnd(targetFlow, shape, waypointsBefore || copy(position));\n\n reconnected = true;\n }\n\n if (bpmnRules.canConnect(shape, target, targetFlow)) {\n\n if (!reconnected) {\n // reconnect inserted shape -> end\n modeling.reconnectStart(targetFlow, shape, waypointsAfter || copy(position));\n } else {\n modeling.connect(shape, target, { type: targetFlow.type, waypoints: waypointsAfter });\n }\n }\n }\n }, true);\n}\n\ninherits(CreateOnFlowBehavior, CommandInterceptor);\n\nCreateOnFlowBehavior.$inject = [ 'eventBus', 'bpmnRules', 'modeling' ];\n\nmodule.exports = CreateOnFlowBehavior;\n","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\n/**\n * BPMN specific create participant behavior\n */\nfunction CreateParticipantBehavior(eventBus, modeling, elementFactory, bpmnFactory) {\n\n CommandInterceptor.call(this, eventBus);\n\n /**\n * morph process into collaboration before adding\n * participant onto collaboration\n */\n\n this.preExecute('shape.create', function(context) {\n\n var parent = context.parent,\n shape = context.shape,\n position = context.position;\n\n if (is(parent, 'bpmn:Process') && is(shape, 'bpmn:Participant')) {\n\n // this is going to detach the process root\n // and set the returned collaboration element\n // as the new root element\n var collaborationElement = modeling.makeCollaboration();\n\n // monkey patch the create context\n // so that the participant is being dropped\n // onto the new collaboration root instead\n context.position = position;\n context.parent = collaborationElement;\n\n context.processRoot = parent;\n }\n }, true);\n\n\n this.execute('shape.create', function(context) {\n\n var processRoot = context.processRoot,\n shape = context.shape;\n\n if (processRoot) {\n context.oldProcessRef = shape.businessObject.processRef;\n\n // assign the participant processRef\n shape.businessObject.processRef = processRoot.businessObject;\n }\n }, true);\n\n\n this.revert('shape.create', function(context) {\n var processRoot = context.processRoot,\n shape = context.shape;\n\n if (processRoot) {\n // assign the participant processRef\n shape.businessObject.processRef = context.oldProcessRef;\n }\n }, true);\n\n\n this.postExecute('shape.create', function(context) {\n\n var processRoot = context.processRoot,\n shape = context.shape;\n\n if (processRoot) {\n // process root is already detached at this point\n var processChildren = processRoot.children.slice();\n modeling.moveElements(processChildren, { x: 0, y: 0 }, shape);\n }\n\n }, true);\n\n}\n\nCreateParticipantBehavior.$inject = [ 'eventBus', 'modeling', 'elementFactory', 'bpmnFactory' ];\n\ninherits(CreateParticipantBehavior, CommandInterceptor);\n\nmodule.exports = CreateParticipantBehavior;\n","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar Collections = require(219);\n\nvar find = require(254);\n\nvar is = require(70).is;\n\nvar TARGET_REF_PLACEHOLDER_NAME = '__targetRef_placeholder';\n\n\n/**\n * This behavior makes sure we always set a fake\n * DataInputAssociation#targetRef as demanded by the BPMN 2.0\n * XSD schema.\n *\n * The reference is set to a bpmn:Property{ name: '__targetRef_placeholder' }\n * which is created on the fly and cleaned up afterwards if not needed\n * anymore.\n *\n * @param {EventBus} eventBus\n * @param {BpmnFactory} bpmnFactory\n */\nfunction DataInputAssociationBehavior(eventBus, bpmnFactory) {\n\n CommandInterceptor.call(this, eventBus);\n\n\n this.executed([\n 'connection.create',\n 'connection.delete',\n 'connection.move',\n 'connection.reconnectEnd'\n ], ifDataInputAssociation(fixTargetRef));\n\n this.reverted([\n 'connection.create',\n 'connection.delete',\n 'connection.move',\n 'connection.reconnectEnd'\n ], ifDataInputAssociation(fixTargetRef));\n\n\n function usesTargetRef(element, targetRef, removedConnection) {\n\n var inputAssociations = element.get('dataInputAssociations');\n\n return find(inputAssociations, function(association) {\n return association !== removedConnection &&\n association.targetRef === targetRef;\n });\n }\n\n function getTargetRef(element, create) {\n\n var properties = element.get('properties');\n\n var targetRefProp = find(properties, function(p) {\n return p.name === TARGET_REF_PLACEHOLDER_NAME;\n });\n\n if (!targetRefProp && create) {\n targetRefProp = bpmnFactory.create('bpmn:Property', {\n name: TARGET_REF_PLACEHOLDER_NAME\n });\n\n Collections.add(properties, targetRefProp);\n }\n\n return targetRefProp;\n }\n\n function cleanupTargetRef(element, connection) {\n\n var targetRefProp = getTargetRef(element);\n\n if (!targetRefProp) {\n return;\n }\n\n if (!usesTargetRef(element, targetRefProp, connection)) {\n Collections.remove(element.get('properties'), targetRefProp);\n }\n }\n\n /**\n * Make sure targetRef is set to a valid property or\n * `null` if the connection is detached.\n *\n * @param {Event} event\n */\n function fixTargetRef(event) {\n\n var context = event.context,\n connection = context.connection,\n connectionBo = connection.businessObject,\n target = connection.target,\n targetBo = target && target.businessObject,\n newTarget = context.newTarget,\n newTargetBo = newTarget && newTarget.businessObject,\n oldTarget = context.oldTarget || context.target,\n oldTargetBo = oldTarget && oldTarget.businessObject;\n\n var dataAssociation = connection.businessObject,\n targetRefProp;\n\n if (oldTargetBo && oldTargetBo !== targetBo) {\n cleanupTargetRef(oldTargetBo, connectionBo);\n }\n\n if (newTargetBo && newTargetBo !== targetBo) {\n cleanupTargetRef(newTargetBo, connectionBo);\n }\n\n if (targetBo) {\n targetRefProp = getTargetRef(targetBo, true);\n dataAssociation.targetRef = targetRefProp;\n } else {\n dataAssociation.targetRef = null;\n }\n }\n}\n\nDataInputAssociationBehavior.$inject = [ 'eventBus', 'bpmnFactory' ];\n\ninherits(DataInputAssociationBehavior, CommandInterceptor);\n\nmodule.exports = DataInputAssociationBehavior;\n\n\n/**\n * Only call the given function when the event\n * touches a bpmn:DataInputAssociation.\n *\n * @param {Function} fn\n * @return {Function}\n */\nfunction ifDataInputAssociation(fn) {\n\n return function(event) {\n var context = event.context,\n connection = context.connection;\n\n if (is(connection, 'bpmn:DataInputAssociation')) {\n return fn(event);\n }\n };\n}","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\nvar getChildLanes = require(44).getChildLanes;\n\nvar eachElement = require(221).eachElement;\n\n\nvar LOW_PRIORITY = 500;\n\n\n/**\n * BPMN specific delete lane behavior\n */\nfunction DeleteLaneBehavior(eventBus, modeling, spaceTool) {\n\n CommandInterceptor.call(this, eventBus);\n\n\n function compensateLaneDelete(shape, oldParent) {\n\n var siblings = getChildLanes(oldParent);\n\n var topAffected = [];\n var bottomAffected = [];\n\n eachElement(siblings, function(element) {\n\n if (element.y > shape.y) {\n bottomAffected.push(element);\n } else {\n topAffected.push(element);\n }\n\n return element.children;\n });\n\n if (!siblings.length) {\n return;\n }\n\n var offset;\n\n if (bottomAffected.length && topAffected.length) {\n offset = shape.height / 2;\n } else {\n offset = shape.height;\n }\n\n var topAdjustments,\n bottomAdjustments;\n\n if (topAffected.length) {\n topAdjustments = spaceTool.calculateAdjustments(\n topAffected, 'y', offset, shape.y - 10);\n\n spaceTool.makeSpace(\n topAdjustments.movingShapes,\n topAdjustments.resizingShapes,\n { x: 0, y: offset }, 's');\n }\n\n if (bottomAffected.length) {\n bottomAdjustments = spaceTool.calculateAdjustments(\n bottomAffected, 'y', -offset, shape.y + shape.height + 10);\n\n spaceTool.makeSpace(\n bottomAdjustments.movingShapes,\n bottomAdjustments.resizingShapes,\n { x: 0, y: -offset }, 'n');\n }\n }\n\n\n /**\n * Adjust sizes of other lanes after lane deletion\n */\n this.postExecuted('shape.delete', LOW_PRIORITY, function(event) {\n\n var context = event.context,\n hints = context.hints,\n shape = context.shape,\n oldParent = context.oldParent;\n\n // only compensate lane deletes\n if (!is(shape, 'bpmn:Lane')) {\n return;\n }\n\n // compensate root deletes only\n if (hints && hints.nested) {\n return;\n }\n\n compensateLaneDelete(shape, oldParent);\n });\n}\n\nDeleteLaneBehavior.$inject = [ 'eventBus', 'modeling', 'spaceTool' ];\n\ninherits(DeleteLaneBehavior, CommandInterceptor);\n\nmodule.exports = DeleteLaneBehavior;","'use strict';\n\nvar assign = require(377),\n inherits = require(243);\n\nvar LabelUtil = require(69),\n is = require(70).is;\n\nvar hasExternalLabel = LabelUtil.hasExternalLabel,\n getExternalLabelMid = LabelUtil.getExternalLabelMid;\n\nvar CommandInterceptor = require(98);\n\n\n/**\n * A component that makes sure that external labels are added\n * together with respective elements and properly updated (DI wise)\n * during move.\n *\n * @param {EventBus} eventBus\n * @param {Modeling} modeling\n * @param {BpmnFactory} bpmnFactory\n */\nfunction LabelSupport(eventBus, modeling, bpmnFactory) {\n\n CommandInterceptor.call(this, eventBus);\n\n // create external labels on shape creation\n\n this.postExecute([ 'shape.create', 'connection.create' ], function(e) {\n var context = e.context;\n\n var element = context.shape || context.connection,\n businessObject = element.businessObject;\n\n var position;\n\n if (hasExternalLabel(businessObject)) {\n position = getExternalLabelMid(element);\n\n modeling.createLabel(element, position, {\n id: businessObject.id + '_label',\n hidden: !businessObject.name,\n businessObject: businessObject\n });\n }\n });\n\n // update di information on label creation\n this.executed([ 'label.create' ], function(e) {\n\n var element = e.context.shape,\n businessObject,\n di;\n\n // we want to trigger on real labels only\n if (!element.labelTarget) {\n return;\n }\n\n // we want to trigger on BPMN elements only\n if (!is(element.labelTarget || element, 'bpmn:BaseElement')) {\n return;\n }\n\n businessObject = element.businessObject,\n di = businessObject.di;\n\n\n if (!di.label) {\n di.label = bpmnFactory.create('bpmndi:BPMNLabel', {\n bounds: bpmnFactory.create('dc:Bounds')\n });\n }\n\n assign(di.label.bounds, {\n x: element.x,\n y: element.y,\n width: element.width,\n height: element.height\n });\n });\n}\n\ninherits(LabelSupport, CommandInterceptor);\n\nLabelSupport.$inject = [ 'eventBus', 'modeling', 'bpmnFactory' ];\n\nmodule.exports = LabelSupport;\n","'use strict';\n\nvar is = require(70).is;\n\n\nfunction ModelingFeedback(eventBus, tooltips, translate) {\n\n function showError(position, message) {\n tooltips.add({\n position: {\n x: position.x + 5,\n y: position.y + 5\n },\n type: 'error',\n timeout: 2000,\n html: '<div>' + message + '</div>'\n });\n }\n\n eventBus.on([ 'shape.move.rejected', 'create.rejected' ], function(event) {\n\n var context = event.context,\n shape = context.shape,\n target = context.target;\n\n if (is(target, 'bpmn:Collaboration') && is(shape, 'bpmn:FlowNode')) {\n showError(event, translate('flow elements must be children of pools/participants'));\n }\n });\n\n}\n\n\nModelingFeedback.$inject = [ 'eventBus', 'tooltips', 'translate' ];\n\nmodule.exports = ModelingFeedback;","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\n\n/**\n * BPMN specific remove behavior\n */\nfunction RemoveParticipantBehavior(eventBus, modeling) {\n\n CommandInterceptor.call(this, eventBus);\n\n\n /**\n * morph collaboration diagram into process diagram\n * after the last participant has been removed\n */\n\n this.preExecute('shape.delete', function(context) {\n\n var shape = context.shape,\n parent = shape.parent;\n\n // activate the behavior if the shape to be removed\n // is a participant\n if (is(shape, 'bpmn:Participant')) {\n context.collaborationRoot = parent;\n }\n }, true);\n\n this.postExecute('shape.delete', function(context) {\n\n var collaborationRoot = context.collaborationRoot;\n\n if (collaborationRoot && !collaborationRoot.businessObject.participants.length) {\n // replace empty collaboration with process diagram\n modeling.makeProcess();\n }\n }, true);\n\n}\n\nRemoveParticipantBehavior.$inject = [ 'eventBus', 'modeling' ];\n\ninherits(RemoveParticipantBehavior, CommandInterceptor);\n\nmodule.exports = RemoveParticipantBehavior;","'use strict';\n\nvar forEach = require(255),\n find = require(254),\n inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\nfunction ReplaceConnectionBehavior(eventBus, modeling, bpmnRules) {\n\n CommandInterceptor.call(this, eventBus);\n\n function fixConnection(connection) {\n\n var source = connection.source,\n target = connection.target,\n parent = connection.parent;\n\n // do not do anything if connection\n // is already deleted (may happen due to other\n // behaviors plugged-in before)\n if (!parent) {\n return;\n }\n\n var replacementType,\n remove;\n\n /**\n * Check if incoming or outgoing connections\n * can stay or could be substituted with an\n * appropriate replacement.\n *\n * This holds true for SequenceFlow <> MessageFlow.\n */\n\n if (is(connection, 'bpmn:SequenceFlow')) {\n if (!bpmnRules.canConnectSequenceFlow(source, target)) {\n remove = true;\n }\n\n if (bpmnRules.canConnectMessageFlow(source, target)) {\n replacementType = 'bpmn:MessageFlow';\n }\n }\n\n // transform message flows into sequence flows, if possible\n\n if (is(connection, 'bpmn:MessageFlow')) {\n\n if (!bpmnRules.canConnectMessageFlow(source, target)) {\n remove = true;\n }\n\n if (bpmnRules.canConnectSequenceFlow(source, target)) {\n replacementType = 'bpmn:SequenceFlow';\n }\n }\n\n if (is(connection, 'bpmn:Association') && !bpmnRules.canConnectAssociation(source, target)) {\n remove = true;\n }\n\n\n // remove invalid connection,\n // unless it has been removed already\n if (remove) {\n modeling.removeConnection(connection);\n }\n\n // replace SequenceFlow <> MessageFlow\n\n if (replacementType) {\n modeling.connect(source, target, {\n type: replacementType,\n waypoints: connection.waypoints.slice()\n });\n }\n }\n\n this.postExecuted('elements.move', function(context) {\n\n var closure = context.closure,\n allConnections = closure.allConnections;\n\n forEach(allConnections, fixConnection);\n }, true);\n\n this.postExecuted([\n 'connection.reconnectStart',\n 'connection.reconnectEnd'\n ], function(event){\n\n var connection = event.context.connection;\n\n fixConnection(connection);\n });\n\n this.postExecuted('element.updateProperties', function(event) {\n var context = event.context,\n properties = context.properties,\n element = context.element,\n businessObject = element.businessObject,\n connection;\n\n // remove condition expression when morphing to default flow\n if (properties.default) {\n connection = find(element.outgoing, { id: element.businessObject.default.id });\n\n if (connection) {\n modeling.updateProperties(connection, { conditionExpression: undefined });\n }\n }\n\n // remove default property from source when morphing to conditional flow\n if (properties.conditionExpression && businessObject.sourceRef.default === businessObject) {\n modeling.updateProperties(element.source, { default: undefined });\n }\n });\n}\n\ninherits(ReplaceConnectionBehavior, CommandInterceptor);\n\nReplaceConnectionBehavior.$inject = [ 'eventBus', 'modeling', 'bpmnRules' ];\n\nmodule.exports = ReplaceConnectionBehavior;\n","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar forEach = require(255);\n\nvar isEventSubProcess = require(68).isEventSubProcess;\nvar is = require(70).is;\n\n/**\n * Defines the behaviour of what happens to the elements inside a container\n * that morphs into another BPMN element\n */\nfunction ReplaceElementBehaviour(eventBus, bpmnReplace, bpmnRules, elementRegistry, selection, modeling) {\n CommandInterceptor.call(this, eventBus);\n\n this._bpmnReplace = bpmnReplace;\n this._elementRegistry = elementRegistry;\n this._selection = selection;\n this._modeling = modeling;\n\n this.postExecuted([ 'elements.move' ], 500, function(event) {\n\n var context = event.context,\n target = context.newParent,\n newHost = context.newHost,\n elements = [];\n\n forEach(context.closure.topLevel, function(topLevelElements) {\n if (isEventSubProcess(topLevelElements)) {\n elements = elements.concat(topLevelElements.children);\n } else {\n elements = elements.concat(topLevelElements);\n }\n });\n\n // Change target to host when the moving element is a `bpmn:BoundaryEvent`\n if (elements.length === 1 && newHost) {\n target = newHost;\n }\n\n var canReplace = bpmnRules.canReplace(elements, target);\n\n if (canReplace) {\n this.replaceElements(elements, canReplace.replacements, newHost);\n }\n }, this);\n\n // update attachments if the host is replaced\n this.postExecute([ 'shape.replace' ], 1500, function(e) {\n\n var context = e.context,\n oldShape = context.oldShape,\n newShape = context.newShape,\n attachers = oldShape.attachers,\n canReplace;\n\n if (attachers && attachers.length) {\n canReplace = bpmnRules.canReplace(attachers, newShape);\n\n this.replaceElements(attachers, canReplace.replacements);\n }\n\n }, this);\n}\n\ninherits(ReplaceElementBehaviour, CommandInterceptor);\n\n\nReplaceElementBehaviour.prototype.replaceElements = function(elements, newElements, newHost) {\n var elementRegistry = this._elementRegistry,\n bpmnReplace = this._bpmnReplace,\n selection = this._selection,\n modeling = this._modeling;\n\n forEach(newElements, function(replacement) {\n\n var newElement = {\n type: replacement.newElementType\n };\n\n var oldElement = elementRegistry.get(replacement.oldElementId);\n\n if (newHost && is(oldElement, 'bpmn:BoundaryEvent')) {\n modeling.updateAttachment(oldElement, null);\n }\n\n var idx = elements.indexOf(oldElement);\n\n elements[idx] = bpmnReplace.replaceElement(oldElement, newElement, { select: false });\n\n if (newHost && is(elements[idx], 'bpmn:BoundaryEvent')) {\n modeling.updateAttachment(elements[idx], newHost);\n }\n });\n\n if (newElements) {\n selection.select(elements);\n }\n};\n\nReplaceElementBehaviour.$inject = [ 'eventBus', 'bpmnReplace', 'bpmnRules', 'elementRegistry',\n 'selection', 'modeling' ];\n\nmodule.exports = ReplaceElementBehaviour;\n","'use strict';\n\nvar is = require(70).is;\n\nvar roundBounds = require(208).roundBounds;\n\nvar hasPrimaryModifier = require(228).hasPrimaryModifier;\n\nvar SLIGHTLY_HIGHER_PRIORITY = 1001;\n\n\n/**\n * Invoke {@link Modeling#resizeLane} instead of\n * {@link Modeling#resizeShape} when resizing a Lane\n * or Participant shape.\n */\nfunction ResizeLaneBehavior(eventBus, modeling) {\n\n eventBus.on('resize.start', SLIGHTLY_HIGHER_PRIORITY + 500, function(event) {\n var context = event.context,\n shape = context.shape;\n\n if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {\n\n // should we resize the opposite lane(s) in\n // order to compensate for the resize operation?\n context.balanced = !hasPrimaryModifier(event);\n }\n });\n\n /**\n * Intercept resize end and call resize lane function instead.\n */\n eventBus.on('resize.end', SLIGHTLY_HIGHER_PRIORITY, function(event) {\n var context = event.context,\n shape = context.shape,\n canExecute = context.canExecute,\n newBounds = context.newBounds;\n\n if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {\n\n if (canExecute) {\n // ensure we have actual pixel values for new bounds\n // (important when zoom level was > 1 during move)\n newBounds = roundBounds(newBounds);\n\n // perform the actual resize\n modeling.resizeLane(shape, newBounds, context.balanced);\n }\n\n // stop propagation\n return false;\n }\n });\n}\n\nResizeLaneBehavior.$inject = [ 'eventBus', 'modeling' ];\n\nmodule.exports = ResizeLaneBehavior;\n","'use strict';\n\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\nvar is = require(70).is;\n\nvar LOW_PRIORITY = 500,\n HIGH_PRIORITY = 5000;\n\n\n/**\n * BPMN specific delete lane behavior\n */\nfunction UpdateFlowNodeRefsBehavior(eventBus, modeling, translate) {\n\n CommandInterceptor.call(this, eventBus);\n\n /**\n * Ok, this is it:\n *\n * We have to update the Lane#flowNodeRefs _and_\n * FlowNode#lanes with every FlowNode move/resize and\n * Lane move/resize.\n *\n * We want to group that stuff to recompute containments\n * as efficient as possible.\n *\n * Yea!\n */\n\n // the update context\n var context;\n\n\n function initContext() {\n context = context || new UpdateContext();\n context.enter();\n\n return context;\n }\n\n function getContext() {\n if (!context) {\n throw new Error(translate('out of bounds release'));\n }\n\n return context;\n }\n\n function releaseContext() {\n\n if (!context) {\n throw new Error(translate('out of bounds release'));\n }\n\n var triggerUpdate = context.leave();\n\n if (triggerUpdate) {\n modeling.updateLaneRefs(context.flowNodes, context.lanes);\n\n context = null;\n }\n\n return triggerUpdate;\n }\n\n\n var laneRefUpdateEvents = [\n 'spaceTool',\n 'lane.add',\n 'lane.resize',\n 'lane.split',\n 'elements.move',\n 'elements.delete',\n 'shape.create',\n 'shape.delete',\n 'shape.move',\n 'shape.resize'\n ];\n\n\n // listen to a lot of stuff to group lane updates\n\n this.preExecute(laneRefUpdateEvents, HIGH_PRIORITY, function(event) {\n initContext();\n });\n\n this.postExecuted(laneRefUpdateEvents, LOW_PRIORITY, function(event) {\n releaseContext();\n });\n\n\n // Mark flow nodes + lanes that need an update\n\n this.preExecute([\n 'shape.create',\n 'shape.move',\n 'shape.delete',\n 'shape.resize'\n ], function(event) {\n\n var context = event.context,\n shape = context.shape;\n\n var updateContext = getContext();\n\n // no need to update labels\n if (shape.labelTarget) {\n return;\n }\n\n if (is(shape, 'bpmn:Lane')) {\n updateContext.addLane(shape);\n }\n\n if (is(shape, 'bpmn:FlowNode')) {\n updateContext.addFlowNode(shape);\n }\n });\n}\n\nUpdateFlowNodeRefsBehavior.$inject = [ 'eventBus', 'modeling' , 'translate'];\n\ninherits(UpdateFlowNodeRefsBehavior, CommandInterceptor);\n\nmodule.exports = UpdateFlowNodeRefsBehavior;\n\n\n\nfunction UpdateContext() {\n\n this.flowNodes = [];\n this.lanes = [];\n\n this.counter = 0;\n\n this.addLane = function(lane) {\n this.lanes.push(lane);\n };\n\n this.addFlowNode = function(flowNode) {\n this.flowNodes.push(flowNode);\n };\n\n this.enter = function() {\n this.counter++;\n };\n\n this.leave = function() {\n this.counter--;\n\n return !this.counter;\n };\n}","module.exports = {\n __init__: [\n 'appendBehavior',\n 'createBoundaryEventBehavior',\n 'createDataObjectBehavior',\n 'createOnFlowBehavior',\n 'createParticipantBehavior',\n 'dataInputAssociationBehavior',\n 'deleteLaneBehavior',\n 'labelBehavior',\n 'modelingFeedback',\n 'removeParticipantBehavior',\n 'replaceConnectionBehavior',\n 'replaceElementBehaviour',\n 'resizeLaneBehavior',\n 'updateFlowNodeRefsBehavior'\n ],\n appendBehavior: [ 'type', require(22) ],\n createBoundaryEventBehavior: [ 'type', require(23) ],\n createDataObjectBehavior: [ 'type', require(24) ],\n createOnFlowBehavior: [ 'type', require(25) ],\n createParticipantBehavior: [ 'type', require(26) ],\n dataInputAssociationBehavior: [ 'type', require(27) ],\n deleteLaneBehavior: [ 'type', require(28) ],\n labelBehavior: [ 'type', require(29) ],\n modelingFeedback: [ 'type', require(30) ],\n removeParticipantBehavior: [ 'type', require(31) ],\n replaceConnectionBehavior: [ 'type', require(32) ],\n replaceElementBehaviour: [ 'type', require(33) ],\n resizeLaneBehavior: [ 'type', require(34) ],\n updateFlowNodeRefsBehavior: [ 'type', require(35) ]\n};\n","'use strict';\n\nvar filter = require(253);\n\nvar Elements = require(221);\n\nvar getLanesRoot = require(44).getLanesRoot,\n getChildLanes = require(44).getChildLanes,\n LANE_INDENTATION = require(44).LANE_INDENTATION;\n\n/**\n * A handler that allows us to add a new lane\n * above or below an existing one.\n *\n * @param {Modeling} modeling\n */\nfunction AddLaneHandler(modeling, spaceTool) {\n this._modeling = modeling;\n this._spaceTool = spaceTool;\n}\n\nAddLaneHandler.$inject = [ 'modeling', 'spaceTool' ];\n\nmodule.exports = AddLaneHandler;\n\n\nAddLaneHandler.prototype.preExecute = function(context) {\n\n var spaceTool = this._spaceTool,\n modeling = this._modeling;\n\n var shape = context.shape,\n location = context.location;\n\n var lanesRoot = getLanesRoot(shape);\n\n var isRoot = lanesRoot === shape,\n laneParent = isRoot ? shape : shape.parent;\n\n var existingChildLanes = getChildLanes(laneParent);\n\n // (0) add a lane if we currently got none and are adding to root\n if (!existingChildLanes.length) {\n modeling.createShape({ type: 'bpmn:Lane' }, {\n x: shape.x + LANE_INDENTATION,\n y: shape.y,\n width: shape.width - LANE_INDENTATION,\n height: shape.height\n }, laneParent);\n }\n\n // (1) collect affected elements to create necessary space\n var allAffected = [];\n\n Elements.eachElement(lanesRoot, function(element) {\n allAffected.push(element);\n\n if (element === shape) {\n return [];\n }\n\n return filter(element.children, function(c) {\n return c !== shape;\n });\n });\n\n var offset = location === 'top' ? -120 : 120,\n lanePosition = location === 'top' ? shape.y : shape.y + shape.height,\n spacePos = lanePosition + (location === 'top' ? 10 : -10),\n direction = location === 'top' ? 'n' : 's';\n\n var adjustments = spaceTool.calculateAdjustments(allAffected, 'y', offset, spacePos);\n\n spaceTool.makeSpace(adjustments.movingShapes, adjustments.resizingShapes, { x: 0, y: offset }, direction);\n\n // (2) create new lane at open space\n context.newLane = modeling.createShape({ type: 'bpmn:Lane' }, {\n x: shape.x + (isRoot ? LANE_INDENTATION : 0),\n y: lanePosition - (location === 'top' ? 120 : 0),\n width: shape.width - (isRoot ? LANE_INDENTATION : 0),\n height: 120\n }, laneParent);\n};\n","'use strict';\n\nvar is = require(70).is;\n\nvar getLanesRoot = require(44).getLanesRoot,\n computeLanesResize = require(44).computeLanesResize;\n\nvar eachElement = require(221).eachElement;\n\nvar asTRBL = require(208).asTRBL,\n substractTRBL = require(180).substractTRBL;\n\n\n/**\n * A handler that resizes a lane.\n *\n * @param {Modeling} modeling\n */\nfunction ResizeLaneHandler(modeling, spaceTool) {\n this._modeling = modeling;\n this._spaceTool = spaceTool;\n}\n\nResizeLaneHandler.$inject = [ 'modeling', 'spaceTool' ];\n\nmodule.exports = ResizeLaneHandler;\n\n\nResizeLaneHandler.prototype.preExecute = function(context) {\n\n var shape = context.shape,\n newBounds = context.newBounds,\n balanced = context.balanced;\n\n if (balanced !== false) {\n this.resizeBalanced(shape, newBounds);\n } else {\n this.resizeSpace(shape, newBounds);\n }\n};\n\n\n/**\n * Resize balanced, adjusting next / previous lane sizes.\n *\n * @param {djs.model.Shape} shape\n * @param {Bounds} newBounds\n */\nResizeLaneHandler.prototype.resizeBalanced = function(shape, newBounds) {\n\n var modeling = this._modeling;\n\n var resizeNeeded = computeLanesResize(shape, newBounds);\n\n // resize the lane\n modeling.resizeShape(shape, newBounds);\n\n // resize other lanes as needed\n resizeNeeded.forEach(function(r) {\n modeling.resizeShape(r.shape, r.newBounds);\n });\n};\n\n\n/**\n * Resize, making actual space and moving below / above elements.\n *\n * @param {djs.model.Shape} shape\n * @param {Bounds} newBounds\n */\nResizeLaneHandler.prototype.resizeSpace = function(shape, newBounds) {\n var spaceTool = this._spaceTool;\n\n var shapeTrbl = asTRBL(shape),\n newTrbl = asTRBL(newBounds);\n\n var trblDiff = substractTRBL(newTrbl, shapeTrbl);\n\n var lanesRoot = getLanesRoot(shape);\n\n var allAffected = [],\n allLanes = [];\n\n eachElement(lanesRoot, function(element) {\n allAffected.push(element);\n\n if (is(element, 'bpmn:Lane') || is(element, 'bpmn:Participant')) {\n allLanes.push(element);\n }\n\n return element.children;\n });\n\n var change,\n spacePos,\n direction,\n offset,\n adjustments;\n\n if (trblDiff.bottom || trblDiff.top) {\n\n change = trblDiff.bottom || trblDiff.top;\n spacePos = shape.y + (trblDiff.bottom ? shape.height : 0) + (trblDiff.bottom ? -10 : 10);\n direction = trblDiff.bottom ? 's' : 'n';\n\n offset = trblDiff.top > 0 || trblDiff.bottom < 0 ? -change : change;\n\n adjustments = spaceTool.calculateAdjustments(allAffected, 'y', offset, spacePos);\n\n spaceTool.makeSpace(adjustments.movingShapes, adjustments.resizingShapes, { x: 0, y: change }, direction);\n }\n\n\n if (trblDiff.left || trblDiff.right) {\n\n change = trblDiff.right || trblDiff.left;\n spacePos = shape.x + (trblDiff.right ? shape.width : 0) + (trblDiff.right ? -10 : 100);\n direction = trblDiff.right ? 'e' : 'w';\n\n offset = trblDiff.left > 0 || trblDiff.right < 0 ? -change : change;\n\n adjustments = spaceTool.calculateAdjustments(allLanes, 'x', offset, spacePos);\n\n spaceTool.makeSpace(adjustments.movingShapes, adjustments.resizingShapes, { x: change, y: 0 }, direction);\n }\n};","'use strict';\n\nvar getChildLanes = require(44).getChildLanes;\n\nvar LANE_INDENTATION = require(44).LANE_INDENTATION;\n\n/**\n * A handler that splits a lane into a number of sub-lanes,\n * creating new sub lanes, if neccessary.\n *\n * @param {Modeling} modeling\n */\nfunction SplitLaneHandler(modeling, translate) {\n this._modeling = modeling;\n this._translate = translate;\n}\n\nSplitLaneHandler.$inject = [ 'modeling', 'translate'];\n\nmodule.exports = SplitLaneHandler;\n\n\nSplitLaneHandler.prototype.preExecute = function(context) {\n\n var modeling = this._modeling,\n translate = this._translate;\n\n var shape = context.shape,\n newLanesCount = context.count;\n\n var childLanes = getChildLanes(shape),\n existingLanesCount = childLanes.length;\n\n if (existingLanesCount > newLanesCount) {\n throw new Error(translate('more than {count} child lanes', { count: newLanesCount }));\n }\n\n var newLanesHeight = Math.round(shape.height / newLanesCount);\n\n // Iterate from top to bottom in child lane order,\n // resizing existing lanes and creating new ones\n // so that they split the parent proportionally.\n //\n // Due to rounding related errors, the bottom lane\n // needs to take up all the remaining space.\n var laneY,\n laneHeight,\n laneBounds,\n newLaneAttrs,\n idx;\n\n for (idx = 0; idx < newLanesCount; idx++) {\n\n laneY = shape.y + idx * newLanesHeight;\n\n // if bottom lane\n if (idx === newLanesCount - 1) {\n laneHeight = shape.height - (newLanesHeight * idx);\n } else {\n laneHeight = newLanesHeight;\n }\n\n laneBounds = {\n x: shape.x + LANE_INDENTATION,\n y: laneY,\n width: shape.width - LANE_INDENTATION,\n height: laneHeight\n };\n\n if (idx < existingLanesCount) {\n // resize existing lane\n modeling.resizeShape(childLanes[idx], laneBounds);\n } else {\n // create a new lane at position\n newLaneAttrs = {\n type: 'bpmn:Lane'\n };\n\n modeling.createShape(newLaneAttrs, laneBounds, shape);\n }\n }\n};\n","'use strict';\n\nvar Collections = require(219);\n\n\nfunction UpdateCanvasRootHandler(canvas, modeling) {\n this._canvas = canvas;\n this._modeling = modeling;\n}\n\nUpdateCanvasRootHandler.$inject = [ 'canvas', 'modeling' ];\n\nmodule.exports = UpdateCanvasRootHandler;\n\n\nUpdateCanvasRootHandler.prototype.execute = function(context) {\n\n var canvas = this._canvas;\n\n var newRoot = context.newRoot,\n newRootBusinessObject = newRoot.businessObject,\n oldRoot = canvas.getRootElement(),\n oldRootBusinessObject = oldRoot.businessObject,\n bpmnDefinitions = oldRootBusinessObject.$parent,\n diPlane = oldRootBusinessObject.di;\n\n // (1) replace process old <> new root\n canvas.setRootElement(newRoot, true);\n\n // (2) update root elements\n Collections.add(bpmnDefinitions.rootElements, newRootBusinessObject);\n newRootBusinessObject.$parent = bpmnDefinitions;\n\n Collections.remove(bpmnDefinitions.rootElements, oldRootBusinessObject);\n oldRootBusinessObject.$parent = null;\n\n // (3) wire di\n oldRootBusinessObject.di = null;\n\n diPlane.bpmnElement = newRootBusinessObject;\n newRootBusinessObject.di = diPlane;\n\n context.oldRoot = oldRoot;\n\n // TODO(nikku): return changed elements?\n // return [ newRoot, oldRoot ];\n};\n\n\nUpdateCanvasRootHandler.prototype.revert = function(context) {\n\n var canvas = this._canvas;\n\n var newRoot = context.newRoot,\n newRootBusinessObject = newRoot.businessObject,\n oldRoot = context.oldRoot,\n oldRootBusinessObject = oldRoot.businessObject,\n bpmnDefinitions = newRootBusinessObject.$parent,\n diPlane = newRootBusinessObject.di;\n\n // (1) replace process old <> new root\n canvas.setRootElement(oldRoot, true);\n\n // (2) update root elements\n Collections.remove(bpmnDefinitions.rootElements, newRootBusinessObject);\n newRootBusinessObject.$parent = null;\n\n Collections.add(bpmnDefinitions.rootElements, oldRootBusinessObject);\n oldRootBusinessObject.$parent = bpmnDefinitions;\n\n // (3) wire di\n newRootBusinessObject.di = null;\n\n diPlane.bpmnElement = oldRootBusinessObject;\n oldRootBusinessObject.di = diPlane;\n\n // TODO(nikku): return changed elements?\n // return [ newRoot, oldRoot ];\n};","'use strict';\n\nvar collectLanes = require(44).collectLanes;\n\nvar getLanesRoot = require(44).getLanesRoot;\n\nvar is = require(70).is;\n\nvar Collections = require(219);\n\nvar asTRBL = require(208).asTRBL;\n\nvar FLOW_NODE_REFS_ATTR = 'flowNodeRef',\n LANES_ATTR = 'lanes';\n\n/**\n * A handler that updates lane refs on changed elements\n */\nfunction UpdateFlowNodeRefsHandler(elementRegistry) {\n this._elementRegistry = elementRegistry;\n}\n\nUpdateFlowNodeRefsHandler.$inject = [ 'elementRegistry' ];\n\nmodule.exports = UpdateFlowNodeRefsHandler;\n\n\nUpdateFlowNodeRefsHandler.prototype.computeUpdates = function(flowNodeShapes, laneShapes) {\n\n var handledNodes = {};\n\n var updates = [];\n\n var participantCache = {};\n\n var allFlowNodeShapes = [];\n\n function isInLaneShape(element, laneShape) {\n\n var laneTrbl = asTRBL(laneShape);\n\n var elementMid = {\n x: element.x + element.width / 2,\n y: element.y + element.height / 2\n };\n\n return elementMid.x > laneTrbl.left &&\n elementMid.x < laneTrbl.right &&\n elementMid.y > laneTrbl.top &&\n elementMid.y < laneTrbl.bottom;\n }\n\n function addFlowNodeShape(flowNodeShape) {\n if (!handledNodes[flowNodeShape.id]) {\n allFlowNodeShapes.push(flowNodeShape);\n handledNodes[flowNodeShape.id] = flowNodeShape;\n }\n }\n\n function getAllLaneShapes(flowNodeShape) {\n\n var root = getLanesRoot(flowNodeShape);\n\n if (!participantCache[root.id]) {\n participantCache[root.id] = collectLanes(root);\n }\n\n return participantCache[root.id];\n }\n\n function getNewLanes(flowNodeShape) {\n if (!flowNodeShape.parent) {\n return [];\n }\n\n var allLaneShapes = getAllLaneShapes(flowNodeShape);\n\n return allLaneShapes.filter(function(l) {\n return isInLaneShape(flowNodeShape, l);\n }).map(function(shape) {\n return shape.businessObject;\n });\n }\n\n laneShapes.forEach(function(laneShape) {\n var root = getLanesRoot(laneShape);\n\n if (!root || handledNodes[root.id]) {\n return;\n }\n\n var children = root.children.filter(function(c) {\n return is(c, 'bpmn:FlowNode');\n });\n\n children.forEach(addFlowNodeShape);\n\n handledNodes[root.id] = root;\n });\n\n flowNodeShapes.forEach(addFlowNodeShape);\n\n\n allFlowNodeShapes.forEach(function(flowNodeShape) {\n\n var flowNode = flowNodeShape.businessObject;\n\n var lanes = flowNode.get(LANES_ATTR),\n remove = lanes.slice(),\n add = getNewLanes(flowNodeShape);\n\n updates.push({ flowNode: flowNode, remove: remove, add: add });\n });\n\n laneShapes.forEach(function(laneShape) {\n\n var lane = laneShape.businessObject;\n\n // lane got removed XX-)\n if (!laneShape.parent) {\n lane.get(FLOW_NODE_REFS_ATTR).forEach(function(flowNode) {\n updates.push({ flowNode: flowNode, remove: [ lane ], add: [] });\n });\n }\n });\n\n return updates;\n};\n\nUpdateFlowNodeRefsHandler.prototype.execute = function(context) {\n\n var updates = context.updates;\n\n if (!updates) {\n updates = context.updates = this.computeUpdates(context.flowNodeShapes, context.laneShapes);\n }\n\n\n updates.forEach(function(update) {\n\n var flowNode = update.flowNode,\n lanes = flowNode.get(LANES_ATTR);\n\n // unwire old\n update.remove.forEach(function(oldLane) {\n Collections.remove(lanes, oldLane);\n Collections.remove(oldLane.get(FLOW_NODE_REFS_ATTR), flowNode);\n });\n\n // wire new\n update.add.forEach(function(newLane) {\n Collections.add(lanes, newLane);\n Collections.add(newLane.get(FLOW_NODE_REFS_ATTR), flowNode);\n });\n });\n\n // TODO(nikku): return changed elements\n // return [ ... ];\n};\n\n\nUpdateFlowNodeRefsHandler.prototype.revert = function(context) {\n\n var updates = context.updates;\n\n updates.forEach(function(update) {\n\n var flowNode = update.flowNode,\n lanes = flowNode.get(LANES_ATTR);\n\n // unwire new\n update.add.forEach(function(newLane) {\n Collections.remove(lanes, newLane);\n Collections.remove(newLane.get(FLOW_NODE_REFS_ATTR), flowNode);\n });\n\n // wire old\n update.remove.forEach(function(oldLane) {\n Collections.add(lanes, oldLane);\n Collections.add(oldLane.get(FLOW_NODE_REFS_ATTR), flowNode);\n });\n });\n\n // TODO(nikku): return changed elements\n // return [ ... ];\n};","'use strict';\n\nvar reduce = require(384),\n keys = require(378),\n forEach = require(255),\n assign = require(377);\n\nvar getBusinessObject = require(70).getBusinessObject;\n\nvar DEFAULT_FLOW = 'default',\n NAME = 'name',\n ID = 'id';\n\n\n/**\n * A handler that implements a BPMN 2.0 property update.\n *\n * This should be used to set simple properties on elements with\n * an underlying BPMN business object.\n *\n * Use respective diagram-js provided handlers if you would\n * like to perform automated modeling.\n */\nfunction UpdatePropertiesHandler(elementRegistry, moddle, translate) {\n this._elementRegistry = elementRegistry;\n this._moddle = moddle;\n this._translate = translate;\n}\n\nUpdatePropertiesHandler.$inject = [ 'elementRegistry', 'moddle', 'translate' ];\n\nmodule.exports = UpdatePropertiesHandler;\n\n\n////// api /////////////////////////////////////////////\n\n/**\n * Updates a BPMN element with a list of new properties\n *\n * @param {Object} context\n * @param {djs.model.Base} context.element the element to update\n * @param {Object} context.properties a list of properties to set on the element's\n * businessObject (the BPMN model element)\n *\n * @return {Array<djs.mode.Base>} the updated element\n */\nUpdatePropertiesHandler.prototype.execute = function(context) {\n\n var element = context.element,\n changed = [ element],\n translate = this._translate;\n\n if (!element) {\n throw new Error(translate('element required'));\n }\n\n var elementRegistry = this._elementRegistry,\n ids = this._moddle.ids;\n\n var businessObject = element.businessObject,\n properties = unwrapBusinessObjects(context.properties),\n oldProperties = context.oldProperties || getProperties(businessObject, keys(properties));\n\n if (isIdChange(properties, businessObject)) {\n ids.unclaim(businessObject[ID]);\n\n elementRegistry.updateId(element, properties[ID]);\n }\n\n // correctly indicate visual changes on default flow updates\n if (DEFAULT_FLOW in properties) {\n\n if (properties[DEFAULT_FLOW]) {\n changed.push(elementRegistry.get(properties[DEFAULT_FLOW].id));\n }\n\n if (businessObject[DEFAULT_FLOW]) {\n changed.push(elementRegistry.get(businessObject[DEFAULT_FLOW].id));\n }\n }\n\n if (NAME in properties && element.label) {\n changed.push(element.label);\n\n // show the label\n element.label.hidden = !properties[NAME];\n }\n\n // update properties\n setProperties(businessObject, properties);\n\n // store old values\n context.oldProperties = oldProperties;\n context.changed = changed;\n\n // indicate changed on objects affected by the update\n return changed;\n};\n\n/**\n * Reverts the update on a BPMN elements properties.\n *\n * @param {Object} context\n *\n * @return {djs.mode.Base} the updated element\n */\nUpdatePropertiesHandler.prototype.revert = function(context) {\n\n var element = context.element,\n properties = context.properties,\n oldProperties = context.oldProperties,\n businessObject = element.businessObject,\n elementRegistry = this._elementRegistry,\n ids = this._moddle.ids;\n\n // update properties\n setProperties(businessObject, oldProperties);\n\n if (isIdChange(properties, businessObject)) {\n ids.unclaim(properties[ID]);\n\n elementRegistry.updateId(element, oldProperties[ID]);\n }\n\n return context.changed;\n};\n\n\nfunction isIdChange(properties, businessObject) {\n return ID in properties && properties[ID] !== businessObject[ID];\n}\n\n\nfunction getProperties(businessObject, propertyNames) {\n return reduce(propertyNames, function(result, key) {\n result[key] = businessObject.get(key);\n return result;\n }, {});\n}\n\n\nfunction setProperties(businessObject, properties) {\n forEach(properties, function(value, key) {\n businessObject.set(key, value);\n });\n}\n\n\nvar referencePropertyNames = [ 'default' ];\n\n/**\n * Make sure we unwrap the actual business object\n * behind diagram element that may have been\n * passed as arguments.\n *\n * @param {Object} properties\n *\n * @return {Object} unwrappedProps\n */\nfunction unwrapBusinessObjects(properties) {\n\n var unwrappedProps = assign({}, properties);\n\n referencePropertyNames.forEach(function(name) {\n if (name in properties) {\n unwrappedProps[name] = getBusinessObject(unwrappedProps[name]);\n }\n });\n\n return unwrappedProps;\n}","module.exports = {\n __init__: [ 'modeling', 'bpmnUpdater' ],\n __depends__: [\n require(36),\n require(16),\n require(59),\n require(47),\n require(57),\n require(100),\n require(200),\n require(139),\n require(112),\n require(189),\n require(120),\n require(196)\n ],\n bpmnFactory: [ 'type', require(17) ],\n bpmnUpdater: [ 'type', require(19) ],\n elementFactory: [ 'type', require(20) ],\n modeling: [ 'type', require(21) ],\n layouter: [ 'type', require(18) ],\n connectionDocking: [ 'type', require(207) ]\n};\n","'use strict';\n\nvar is = require(70).is;\n\nvar getParent = require(45).getParent;\n\nvar asTRBL = require(208).asTRBL,\n substractTRBL = require(180).substractTRBL,\n resizeTRBL = require(180).resizeTRBL;\n\nvar abs = Math.abs;\n\n\nfunction getTRBLResize(oldBounds, newBounds) {\n return substractTRBL(asTRBL(newBounds), asTRBL(oldBounds));\n}\n\n\nvar LANE_PARENTS = [\n 'bpmn:Participant',\n 'bpmn:Process',\n 'bpmn:SubProcess'\n];\n\nvar LANE_INDENTATION = 30;\n\nmodule.exports.LANE_INDENTATION = LANE_INDENTATION;\n\n\n/**\n * Collect all lane shapes in the given paren\n *\n * @param {djs.model.Shape} shape\n * @param {Array<djs.model.Base>} [collectedShapes]\n *\n * @return {Array<djs.model.Base>}\n */\nfunction collectLanes(shape, collectedShapes) {\n\n collectedShapes = collectedShapes || [];\n\n shape.children.filter(function(s) {\n if (is(s, 'bpmn:Lane')) {\n collectLanes(s, collectedShapes);\n\n collectedShapes.push(s);\n }\n });\n\n return collectedShapes;\n}\n\nmodule.exports.collectLanes = collectLanes;\n\n/**\n * Return the lane children of the given element.\n *\n * @param {djs.model.Shape} shape\n *\n * @return {Array<djs.model.Shape>}\n */\nfunction getChildLanes(shape) {\n return shape.children.filter(function(c) {\n return is(c, 'bpmn:Lane');\n });\n}\n\nmodule.exports.getChildLanes = getChildLanes;\n\n/**\n * Return the root element containing the given lane shape\n *\n * @param {djs.model.Shape} shape\n *\n * @return {djs.model.Shape}\n */\nfunction getLanesRoot(shape) {\n return getParent(shape, LANE_PARENTS) || shape;\n}\n\nmodule.exports.getLanesRoot = getLanesRoot;\n\n\n/**\n * Compute the required resize operations for lanes\n * adjacent to the given shape, assuming it will be\n * resized to the given new bounds.\n *\n * @param {djs.model.Shape} shape\n * @param {Bounds} newBounds\n *\n * @return {Array<Object>}\n */\nfunction computeLanesResize(shape, newBounds) {\n\n var rootElement = getLanesRoot(shape);\n\n var initialShapes = is(rootElement, 'bpmn:Process') ? [] : [ rootElement ];\n\n var allLanes = collectLanes(rootElement, initialShapes),\n shapeTrbl = asTRBL(shape),\n shapeNewTrbl = asTRBL(newBounds),\n trblResize = getTRBLResize(shape, newBounds),\n resizeNeeded = [];\n\n allLanes.forEach(function(other) {\n\n if (other === shape) {\n return;\n }\n\n var topResize = 0,\n rightResize = trblResize.right,\n bottomResize = 0,\n leftResize = trblResize.left;\n\n var otherTrbl = asTRBL(other);\n\n if (trblResize.top) {\n if (abs(otherTrbl.bottom - shapeTrbl.top) < 10) {\n bottomResize = shapeNewTrbl.top - otherTrbl.bottom;\n }\n\n if (abs(otherTrbl.top - shapeTrbl.top) < 5) {\n topResize = shapeNewTrbl.top - otherTrbl.top;\n }\n }\n\n if (trblResize.bottom) {\n if (abs(otherTrbl.top - shapeTrbl.bottom) < 10) {\n topResize = shapeNewTrbl.bottom - otherTrbl.top;\n }\n\n if (abs(otherTrbl.bottom - shapeTrbl.bottom) < 5) {\n bottomResize = shapeNewTrbl.bottom - otherTrbl.bottom;\n }\n }\n\n if (topResize || rightResize || bottomResize || leftResize) {\n\n resizeNeeded.push({\n shape: other,\n newBounds: resizeTRBL(other, {\n top: topResize,\n right: rightResize,\n bottom: bottomResize,\n left: leftResize\n })\n });\n }\n\n });\n\n return resizeNeeded;\n}\n\nmodule.exports.computeLanesResize = computeLanesResize;\n","'use strict';\n\nvar any = require(251);\n\nvar is = require(70).is;\n\n\nfunction getParents(element) {\n\n var parents = [];\n\n while (element) {\n element = element.parent;\n\n if (element) {\n parents.push(element);\n }\n }\n\n return parents;\n}\n\nmodule.exports.getParents = getParents;\n\n\n/**\n * Return true if element has any of the given types.\n *\n * @param {djs.model.Base} element\n * @param {Array<String>} types\n *\n * @return {Boolean}\n */\nfunction isAny(element, types) {\n return any(types, function(t) {\n return is(element, t);\n });\n}\n\nmodule.exports.isAny = isAny;\n\n\n/**\n * Return the parent of the element with any of the given types.\n *\n * @param {djs.model.Base} element\n * @param {String|Array<String>} anyType\n *\n * @return {djs.model.Base}\n */\nfunction getParent(element, anyType) {\n\n if (typeof anyType === 'string') {\n anyType = [ anyType ];\n }\n\n while ((element = element.parent)) {\n if (isAny(element, anyType)) {\n return element;\n }\n }\n\n return null;\n}\n\nmodule.exports.getParent = getParent;","'use strict';\n\nvar inherits = require(243);\n\nvar OrderingProvider = require(167);\n\nvar isAny = require(45).isAny;\n\nvar findIndex = require(244);\n\nvar find = require(254);\n\n\n/**\n * a simple ordering provider that makes sure:\n *\n * (1) elements are ordered by a {level} property\n * (2) elements with {alwaysOnTop} are always added to the root\n */\nfunction BpmnOrderingProvider(eventBus, translate) {\n\n OrderingProvider.call(this, eventBus);\n\n var orders = [\n { type: 'label', order: { level: 10 } },\n { type: 'bpmn:SubProcess', order: { level: 6 } },\n {\n type: 'bpmn:SequenceFlow',\n order: {\n level: 5,\n containers: [\n 'bpmn:Participant',\n 'bpmn:FlowElementsContainer'\n ]\n }\n },\n {\n type: 'bpmn:Association',\n order: {\n level: 6,\n containers: [\n 'bpmn:Participant',\n 'bpmn:FlowElementsContainer',\n 'bpmn:Collaboration'\n ]\n }\n },\n { type: 'bpmn:MessageFlow', order: { level: 9, containers: [ 'bpmn:Collaboration' ] } },\n { type: 'bpmn:BoundaryEvent', order: { level: 8 } },\n { type: 'bpmn:Participant', order: { level: -2 } },\n { type: 'bpmn:Lane', order: { level: -1 } }\n ];\n\n function computeOrder(element) {\n var entry = find(orders, function(o) {\n return isAny(element, [ o.type ]);\n });\n\n return entry && entry.order || { level: 1 };\n }\n\n function getOrder(element) {\n\n var order = element.order;\n\n if (!order) {\n element.order = order = computeOrder(element);\n }\n\n return order;\n }\n\n function findActualParent(element, newParent, containers) {\n\n var actualParent = newParent;\n\n while (actualParent) {\n\n if (isAny(actualParent, containers)) {\n break;\n }\n\n actualParent = actualParent.parent;\n }\n\n if (!actualParent) {\n throw new Error(translate('no parent for {element} in {parent}', {\n element: element.id,\n parent: newParent.id\n }));\n }\n\n return actualParent;\n }\n\n this.getOrdering = function(element, newParent) {\n\n var elementOrder = getOrder(element);\n\n\n if (elementOrder.containers) {\n newParent = findActualParent(element, newParent, elementOrder.containers);\n }\n\n\n var currentIndex = newParent.children.indexOf(element);\n\n var insertIndex = findIndex(newParent.children, function(child) {\n\n // do not compare with labels, they are created\n // in the wrong order (right after elements) during import and\n // mess up the positioning.\n if (!element.labelTarget && child.labelTarget) {\n return false;\n }\n\n return elementOrder.level < getOrder(child).level;\n });\n\n\n // if the element is already in the child list at\n // a smaller index, we need to adjust the inser index.\n // this takes into account that the element is being removed\n // before being re-inserted\n if (insertIndex !== -1) {\n if (currentIndex !== -1 && currentIndex < insertIndex) {\n insertIndex -= 1;\n }\n }\n\n return {\n index: insertIndex,\n parent: newParent\n };\n };\n}\n\nBpmnOrderingProvider.$inject = [ 'eventBus', 'translate' ];\n\ninherits(BpmnOrderingProvider, OrderingProvider);\n\nmodule.exports = BpmnOrderingProvider;\n","module.exports = {\n __init__: [ 'bpmnOrderingProvider' ],\n __depends__: [\n require(204)\n ],\n bpmnOrderingProvider: [ 'type', require(46) ]\n};","'use strict';\n\nvar assign = require(377);\n\n/**\n * A palette provider for BPMN 2.0 elements.\n */\nfunction PaletteProvider(palette, create, elementFactory, spaceTool, lassoTool, handTool, translate) {\n\n this._palette = palette;\n this._create = create;\n this._elementFactory = elementFactory;\n this._spaceTool = spaceTool;\n this._lassoTool = lassoTool;\n this._handTool = handTool;\n this._translate = translate;\n\n palette.registerProvider(this);\n}\n\nmodule.exports = PaletteProvider;\n\nPaletteProvider.$inject = [\n 'palette',\n 'create',\n 'elementFactory',\n 'spaceTool',\n 'lassoTool',\n 'handTool',\n 'translate',\n 'eventBus'\n];\n\n\nPaletteProvider.prototype.getPaletteEntries = function(element) {\n\n var actions = {},\n create = this._create,\n elementFactory = this._elementFactory,\n spaceTool = this._spaceTool,\n lassoTool = this._lassoTool,\n handTool = this._handTool,\n translate = this._translate;\n\n function createAction(type, group, className, title, options) {\n\n function createListener(event) {\n var shape = elementFactory.createShape(assign({ type: type }, options));\n\n if (options) {\n shape.businessObject.di.isExpanded = options.isExpanded;\n }\n\n create.start(event, shape);\n }\n\n var shortType = type.replace(/^bpmn/:/, '');\n\n return {\n group: group,\n className: className,\n title: title || translate('Create {type}', { type: shortType }),\n action: {\n dragstart: createListener,\n click: createListener\n }\n };\n }\n\n function createParticipant(event, collapsed) {\n create.start(event, elementFactory.createParticipantShape(collapsed));\n }\n\n assign(actions, {\n 'hand-tool': {\n group: 'tools',\n className: 'bpmn-icon-hand-tool',\n title: translate('Activate the hand tool'),\n action: {\n click: function(event) {\n handTool.activateHand(event);\n }\n }\n },\n 'lasso-tool': {\n group: 'tools',\n className: 'bpmn-icon-lasso-tool',\n title: translate('Activate the lasso tool'),\n action: {\n click: function(event) {\n lassoTool.activateSelection(event);\n }\n }\n },\n 'space-tool': {\n group: 'tools',\n className: 'bpmn-icon-space-tool',\n title: translate('Activate the create/remove space tool'),\n action: {\n click: function(event) {\n spaceTool.activateSelection(event);\n }\n }\n },\n 'tool-separator': {\n group: 'tools',\n separator: true\n },\n 'create.start-event': createAction(\n 'bpmn:StartEvent', 'event', 'bpmn-icon-start-event-none'\n ),\n 'create.intermediate-event': createAction(\n 'bpmn:IntermediateThrowEvent', 'event', 'bpmn-icon-intermediate-event-none'\n ),\n 'create.end-event': createAction(\n 'bpmn:EndEvent', 'event', 'bpmn-icon-end-event-none'\n ),\n 'create.exclusive-gateway': createAction(\n 'bpmn:ExclusiveGateway', 'gateway', 'bpmn-icon-gateway-xor'\n ),\n 'create.task': createAction(\n 'bpmn:Task', 'activity', 'bpmn-icon-task'\n ),\n 'create.data-object': createAction(\n 'bpmn:DataObjectReference', 'data-object', 'bpmn-icon-data-object'\n ),\n 'create.data-store': createAction(\n 'bpmn:DataStoreReference', 'data-store', 'bpmn-icon-data-store'\n ),\n 'create.subprocess-expanded': createAction(\n 'bpmn:SubProcess', 'activity', 'bpmn-icon-subprocess-expanded', translate('Create expanded SubProcess'),\n { isExpanded: true }\n ),\n 'create.participant-expanded': {\n group: 'collaboration',\n className: 'bpmn-icon-participant',\n title: translate('Create Pool/Participant'),\n action: {\n dragstart: createParticipant,\n click: createParticipant\n }\n }\n });\n\n return actions;\n};\n","module.exports = {\n __depends__: [\n require(173),\n require(126),\n require(196),\n require(141),\n require(133),\n require(204)\n ],\n __init__: [ 'paletteProvider' ],\n paletteProvider: [ 'type', require(48) ]\n};\n","'use strict';\n\nvar is = require(70).is,\n isEventSubProcess = require(68).isEventSubProcess,\n getBusinessObject = require(70).getBusinessObject,\n isExpanded = require(68).isExpanded,\n isDifferentType = require(52).isDifferentType;\n\nvar forEach = require(255),\n filter = require(253);\n\nvar replaceOptions = require(56);\n\n\n/**\n * This module is an element agnostic replace menu provider for the popup menu.\n */\nfunction ReplaceMenuProvider(popupMenu, modeling, moddle, bpmnReplace, rules, translate) {\n\n this._popupMenu = popupMenu;\n this._modeling = modeling;\n this._moddle = moddle;\n this._bpmnReplace = bpmnReplace;\n this._rules = rules;\n this._translate = translate;\n\n this.register();\n}\n\nReplaceMenuProvider.$inject = [ 'popupMenu', 'modeling', 'moddle', 'bpmnReplace', 'rules', 'translate' ];\n\n\n/**\n * Register replace menu provider in the popup menu\n */\nReplaceMenuProvider.prototype.register = function() {\n this._popupMenu.registerProvider('bpmn-replace', this);\n};\n\n\n/**\n * Get all entries from replaceOptions for the given element and apply filters\n * on them. Get for example only elements, which are different from the current one.\n *\n * @param {djs.model.Base} element\n *\n * @return {Array<Object>} a list of menu entry items\n */\nReplaceMenuProvider.prototype.getEntries = function(element) {\n\n var businessObject = element.businessObject;\n\n var rules = this._rules;\n\n var entries;\n\n if (!rules.allowed('shape.replace', { element: element })) {\n return [];\n }\n\n var differentType = isDifferentType(element);\n\n // start events outside event sub processes\n if (is(businessObject, 'bpmn:StartEvent') && !isEventSubProcess(businessObject.$parent)) {\n\n entries = filter(replaceOptions.START_EVENT, differentType);\n\n return this._createEntries(element, entries);\n }\n\n // expanded/collapsed pools\n if (is(businessObject, 'bpmn:Participant')) {\n\n entries = filter(replaceOptions.PARTICIPANT, function(entry) {\n return isExpanded(businessObject) !== entry.target.isExpanded;\n });\n\n return this._createEntries(element, entries);\n }\n\n // start events inside event sub processes\n if (is(businessObject, 'bpmn:StartEvent') && isEventSubProcess(businessObject.$parent)) {\n\n entries = filter(replaceOptions.EVENT_SUB_PROCESS_START_EVENT, function(entry) {\n\n var target = entry.target;\n\n var isInterrupting = target.isInterrupting !== false;\n\n var isInterruptingEqual = getBusinessObject(element).isInterrupting === isInterrupting;\n\n // filters elements which types and event definition are equal but have have different interrupting types\n return differentType(entry) || !differentType(entry) && !isInterruptingEqual;\n\n });\n\n return this._createEntries(element, entries);\n }\n\n // end events\n if (is(businessObject, 'bpmn:EndEvent')) {\n\n entries = filter(replaceOptions.END_EVENT, function(entry) {\n var target = entry.target;\n\n // hide cancel end events outside transactions\n if (target.eventDefinition == 'bpmn:CancelEventDefinition' && !is(businessObject.$parent, 'bpmn:Transaction')) {\n return false;\n }\n return differentType(entry);\n });\n\n return this._createEntries(element, entries);\n }\n\n // boundary events\n if (is(businessObject, 'bpmn:BoundaryEvent')) {\n\n entries = filter(replaceOptions.BOUNDARY_EVENT, function(entry) {\n\n var target = entry.target;\n\n if (target.eventDefinition == 'bpmn:CancelEventDefinition' &&\n !is(businessObject.attachedToRef, 'bpmn:Transaction')) {\n return false;\n }\n var cancelActivity = target.cancelActivity !== false;\n\n var isCancelActivityEqual = businessObject.cancelActivity == cancelActivity;\n\n return differentType(entry) || !differentType(entry) && !isCancelActivityEqual;\n });\n\n return this._createEntries(element, entries);\n }\n\n // intermediate events\n if (is(businessObject, 'bpmn:IntermediateCatchEvent') ||\n is(businessObject, 'bpmn:IntermediateThrowEvent')) {\n\n entries = filter(replaceOptions.INTERMEDIATE_EVENT, differentType);\n\n return this._createEntries(element, entries);\n }\n\n // gateways\n if (is(businessObject, 'bpmn:Gateway')) {\n\n entries = filter(replaceOptions.GATEWAY, differentType);\n\n return this._createEntries(element, entries);\n }\n\n // transactions\n if (is(businessObject, 'bpmn:Transaction')) {\n\n entries = filter(replaceOptions.TRANSACTION, differentType);\n\n return this._createEntries(element, entries);\n }\n\n // expanded event sub processes\n if (isEventSubProcess(businessObject) && isExpanded(businessObject)) {\n\n entries = filter(replaceOptions.EVENT_SUB_PROCESS, differentType);\n\n return this._createEntries(element, entries);\n }\n\n // expanded sub processes\n if (is(businessObject, 'bpmn:SubProcess') && isExpanded(businessObject)) {\n\n entries = filter(replaceOptions.SUBPROCESS_EXPANDED, differentType);\n\n return this._createEntries(element, entries);\n }\n\n // collapsed ad hoc sub processes\n if (is(businessObject, 'bpmn:AdHocSubProcess') && !isExpanded(businessObject)) {\n\n entries = filter(replaceOptions.TASK, function(entry) {\n\n var target = entry.target;\n\n var isTargetSubProcess = target.type === 'bpmn:SubProcess';\n\n return isDifferentType(element, target) && !isTargetSubProcess;\n });\n\n return this._createEntries(element, entries);\n }\n\n // sequence flows\n if (is(businessObject, 'bpmn:SequenceFlow')) {\n return this._createSequenceFlowEntries(element, replaceOptions.SEQUENCE_FLOW);\n }\n\n // flow nodes\n if (is(businessObject, 'bpmn:FlowNode')) {\n entries = filter(replaceOptions.TASK, differentType);\n\n if (businessObject.isForCompensation) {\n\n // can only replace to compensation activities\n entries = filter(entries, function(entry) {\n return !/CallActivity/.test(entry.target.type);\n });\n }\n\n return this._createEntries(element, entries);\n }\n\n return [];\n};\n\n\n/**\n * Get a list of header items for the given element. This includes buttons\n * for multi instance markers and for the ad hoc marker.\n *\n * @param {djs.model.Base} element\n *\n * @return {Array<Object>} a list of menu entry items\n */\nReplaceMenuProvider.prototype.getHeaderEntries = function(element) {\n\n var headerEntries = [];\n\n if (is(element, 'bpmn:Activity') && !isEventSubProcess(element)) {\n headerEntries = headerEntries.concat(this._getLoopEntries(element));\n }\n\n if (is(element, 'bpmn:SubProcess') &&\n !is(element, 'bpmn:Transaction') &&\n !isEventSubProcess(element)) {\n headerEntries.push(this._getAdHocEntry(element));\n }\n\n return headerEntries;\n};\n\n\n/**\n * Creates an array of menu entry objects for a given element and filters the replaceOptions\n * according to a filter function.\n *\n * @param {djs.model.Base} element\n * @param {Object} replaceOptions\n *\n * @return {Array<Object>} a list of menu items\n */\nReplaceMenuProvider.prototype._createEntries = function(element, replaceOptions) {\n var menuEntries = [];\n\n var self = this;\n\n forEach(replaceOptions, function(definition) {\n var entry = self._createMenuEntry(definition, element);\n\n menuEntries.push(entry);\n });\n\n return menuEntries;\n};\n\n/**\n * Creates an array of menu entry objects for a given sequence flow.\n *\n * @param {djs.model.Base} element\n * @param {Object} replaceOptions\n\n * @return {Array<Object>} a list of menu items\n */\nReplaceMenuProvider.prototype._createSequenceFlowEntries = function (element, replaceOptions) {\n\n var businessObject = getBusinessObject(element);\n\n var menuEntries = [];\n\n var modeling = this._modeling,\n moddle = this._moddle;\n\n var self = this;\n\n forEach(replaceOptions, function(entry) {\n\n switch (entry.actionName) {\n case 'replace-with-default-flow':\n if (businessObject.sourceRef.default !== businessObject &&\n (is(businessObject.sourceRef, 'bpmn:ExclusiveGateway') ||\n is(businessObject.sourceRef, 'bpmn:InclusiveGateway') ||\n is(businessObject.sourceRef, 'bpmn:Activity'))) {\n\n menuEntries.push(self._createMenuEntry(entry, element, function() {\n modeling.updateProperties(element.source, { default: businessObject });\n }));\n }\n break;\n case 'replace-with-conditional-flow':\n if (!businessObject.conditionExpression && is(businessObject.sourceRef, 'bpmn:Activity')) {\n\n menuEntries.push(self._createMenuEntry(entry, element, function() {\n var conditionExpression = moddle.create('bpmn:FormalExpression', { body: '' });\n\n modeling.updateProperties(element, { conditionExpression: conditionExpression });\n }));\n }\n break;\n default:\n // default flows\n if (is(businessObject.sourceRef, 'bpmn:Activity') && businessObject.conditionExpression) {\n return menuEntries.push(self._createMenuEntry(entry, element, function() {\n modeling.updateProperties(element, { conditionExpression: undefined });\n }));\n }\n // conditional flows\n if ((is(businessObject.sourceRef, 'bpmn:ExclusiveGateway') ||\n is(businessObject.sourceRef, 'bpmn:InclusiveGateway') ||\n is(businessObject.sourceRef, 'bpmn:Activity')) &&\n businessObject.sourceRef.default === businessObject) {\n\n return menuEntries.push(self._createMenuEntry(entry, element, function() {\n modeling.updateProperties(element.source, { default: undefined });\n }));\n }\n }\n });\n\n return menuEntries;\n};\n\n\n/**\n * Creates and returns a single menu entry item.\n *\n * @param {Object} definition a single replace options definition object\n * @param {djs.model.Base} element\n * @param {Function} [action] an action callback function which gets called when\n * the menu entry is being triggered.\n *\n * @return {Object} menu entry item\n */\nReplaceMenuProvider.prototype._createMenuEntry = function(definition, element, action) {\n var translate = this._translate;\n var replaceElement = this._bpmnReplace.replaceElement;\n\n var replaceAction = function() {\n return replaceElement(element, definition.target);\n };\n\n action = action || replaceAction;\n\n var menuEntry = {\n label: translate(definition.label),\n className: definition.className,\n id: definition.actionName,\n action: action\n };\n\n return menuEntry;\n};\n\n/**\n * Get a list of menu items containing buttons for multi instance markers\n *\n * @param {djs.model.Base} element\n *\n * @return {Array<Object>} a list of menu items\n */\nReplaceMenuProvider.prototype._getLoopEntries = function(element) {\n\n var self = this;\n var translate = this._translate;\n\n function toggleLoopEntry(event, entry) {\n var loopCharacteristics;\n\n if (entry.active) {\n loopCharacteristics = undefined;\n } else {\n loopCharacteristics = self._moddle.create(entry.options.loopCharacteristics);\n\n if (entry.options.isSequential) {\n loopCharacteristics.isSequential = entry.options.isSequential;\n }\n }\n self._modeling.updateProperties(element, { loopCharacteristics: loopCharacteristics });\n }\n\n var businessObject = getBusinessObject(element),\n loopCharacteristics = businessObject.loopCharacteristics;\n\n var isSequential,\n isLoop,\n isParallel;\n\n if (loopCharacteristics) {\n isSequential = loopCharacteristics.isSequential;\n isLoop = loopCharacteristics.isSequential === undefined;\n isParallel = loopCharacteristics.isSequential !== undefined && !loopCharacteristics.isSequential;\n }\n\n\n var loopEntries = [\n {\n id: 'toggle-parallel-mi',\n className: 'bpmn-icon-parallel-mi-marker',\n title: translate('Parallel Multi Instance'),\n active: isParallel,\n action: toggleLoopEntry,\n options: {\n loopCharacteristics: 'bpmn:MultiInstanceLoopCharacteristics',\n isSequential: false\n }\n },\n {\n id: 'toggle-sequential-mi',\n className: 'bpmn-icon-sequential-mi-marker',\n title: translate('Sequential Multi Instance'),\n active: isSequential,\n action: toggleLoopEntry,\n options: {\n loopCharacteristics: 'bpmn:MultiInstanceLoopCharacteristics',\n isSequential: true\n }\n },\n {\n id: 'toggle-loop',\n className: 'bpmn-icon-loop-marker',\n title: translate('Loop'),\n active: isLoop,\n action: toggleLoopEntry,\n options: {\n loopCharacteristics: 'bpmn:StandardLoopCharacteristics'\n }\n }\n ];\n return loopEntries;\n};\n\n\n/**\n * Get the menu items containing a button for the ad hoc marker\n *\n * @param {djs.model.Base} element\n *\n * @return {Object} a menu item\n */\nReplaceMenuProvider.prototype._getAdHocEntry = function(element) {\n var translate = this._translate;\n var businessObject = getBusinessObject(element);\n\n var isAdHoc = is(businessObject, 'bpmn:AdHocSubProcess');\n\n var replaceElement = this._bpmnReplace.replaceElement;\n\n var adHocEntry = {\n id: 'toggle-adhoc',\n className: 'bpmn-icon-ad-hoc-marker',\n title: translate('Ad-hoc'),\n active: isAdHoc,\n action: function(event, entry) {\n if (isAdHoc) {\n return replaceElement(element, { type: 'bpmn:SubProcess' });\n } else {\n return replaceElement(element, { type: 'bpmn:AdHocSubProcess' });\n }\n }\n };\n\n return adHocEntry;\n};\n\nmodule.exports = ReplaceMenuProvider;\n","module.exports = {\n __depends__: [\n require(175),\n require(57)\n ],\n __init__: [ 'replaceMenuProvider' ],\n replaceMenuProvider: [ 'type', require(50) ]\n};","'use strict';\n\nvar getBusinessObject = require(70).getBusinessObject;\n\n/**\n * Returns true, if an element is from a different type\n * than a target definition. Takes into account the type,\n * event definition type and triggeredByEvent property.\n *\n * @param {djs.model.Base} element\n *\n * @return {Boolean}\n */\nfunction isDifferentType(element) {\n\n return function(entry) {\n var target = entry.target;\n\n var businessObject = getBusinessObject(element),\n eventDefinition = businessObject.eventDefinitions && businessObject.eventDefinitions[0];\n\n var isEventDefinitionEqual = (eventDefinition && eventDefinition.$type) === target.eventDefinitionType,\n isTypeEqual = businessObject.$type === target.type,\n isTriggeredByEventEqual = businessObject.triggeredByEvent == target.triggeredByEvent;\n\n return !isTypeEqual || !isEventDefinitionEqual || !isTriggeredByEventEqual;\n };\n}\n\nmodule.exports.isDifferentType = isDifferentType;","'use strict';\n\nvar CommandInterceptor = require(98);\n\nvar inherits = require(243);\n\nvar assign = require(377),\n forEach = require(255);\n\nvar LOW_PRIORITY = 250;\n\nfunction BpmnReplacePreview(eventBus, elementRegistry, elementFactory, canvas, moveVisuals) {\n\n CommandInterceptor.call(this, eventBus);\n\n /**\n * Replace the visuals of all elements in the context which can be replaced\n *\n * @param {Object} context\n */\n function replaceVisual(context) {\n\n var replacements = context.canExecute.replacements;\n\n forEach(replacements, function(replacement) {\n\n var id = replacement.oldElementId;\n\n var newElement = {\n type: replacement.newElementType\n };\n\n // if the visual of the element is already replaced\n if (context.visualReplacements[id]) {\n return;\n }\n\n var element = elementRegistry.get(id);\n\n assign(newElement, { x: element.x, y: element.y });\n\n // create a temporary shape\n var tempShape = elementFactory.createShape(newElement);\n\n canvas.addShape(tempShape, element.parent);\n\n // select the original SVG element related to the element and hide it\n var gfx = context.dragGroup.select('[data-element-id=' + element.id + ']');\n\n if (gfx) {\n gfx.attr({ display: 'none' });\n }\n\n // clone the gfx of the temporary shape and add it to the drag group\n var dragger = moveVisuals.addDragger(context, tempShape);\n\n context.visualReplacements[id] = dragger;\n\n canvas.removeShape(tempShape);\n });\n }\n\n /**\n * Restore the original visuals of the previously replaced elements\n *\n * @param {Object} context\n */\n function restoreVisual(context) {\n\n var visualReplacements = context.visualReplacements;\n\n forEach(visualReplacements, function(dragger, id) {\n\n var originalGfx = context.dragGroup.select('[data-element-id=' + id + ']');\n\n if (originalGfx) {\n originalGfx.attr({ display: 'inline' });\n }\n\n dragger.remove();\n\n if (visualReplacements[id]) {\n delete visualReplacements[id];\n }\n });\n }\n\n eventBus.on('shape.move.move', LOW_PRIORITY, function(event) {\n\n var context = event.context,\n canExecute = context.canExecute;\n\n if (!context.visualReplacements) {\n context.visualReplacements = {};\n }\n\n if (canExecute.replacements) {\n replaceVisual(context);\n } else {\n restoreVisual(context);\n }\n });\n}\n\nBpmnReplacePreview.$inject = [ 'eventBus', 'elementRegistry', 'elementFactory', 'canvas', 'moveVisuals' ];\n\ninherits(BpmnReplacePreview, CommandInterceptor);\n\nmodule.exports = BpmnReplacePreview;\n","module.exports = {\n __depends__: [ require(166) ],\n __init__: ['bpmnReplacePreview'],\n bpmnReplacePreview: [ 'type', require(53) ]\n};\n","'use strict';\n\nvar pick = require(383),\n assign = require(377);\n\nvar is = require(70).is,\n isExpanded = require(68).isExpanded,\n isEventSubProcess = require(68).isEventSubProcess;\n\nvar CUSTOM_PROPERTIES = [\n 'cancelActivity',\n 'instantiate',\n 'eventGatewayType',\n 'triggeredByEvent',\n 'isInterrupting'\n];\n\n\n/**\n * This module takes care of replacing BPMN elements\n */\nfunction BpmnReplace(bpmnFactory, replace, selection, modeling) {\n\n /**\n * Prepares a new business object for the replacement element\n * and triggers the replace operation.\n *\n * @param {djs.model.Base} element\n * @param {Object} target\n * @param {Object} [hints]\n *\n * @return {djs.model.Base} the newly created element\n */\n function replaceElement(element, target, hints) {\n\n hints = hints || {};\n\n var type = target.type,\n oldBusinessObject = element.businessObject,\n newBusinessObject = bpmnFactory.create(type);\n\n var newElement = {\n type: type,\n businessObject: newBusinessObject\n };\n\n // initialize custom BPMN extensions\n if (target.eventDefinitionType) {\n newElement.eventDefinitionType = target.eventDefinitionType;\n }\n\n // initialize special properties defined in target definition\n assign(newBusinessObject, pick(target, CUSTOM_PROPERTIES));\n\n // copy size (for activities only)\n if (is(oldBusinessObject, 'bpmn:Activity')) {\n\n // TODO: need also to respect min/max Size\n\n newElement.width = element.width;\n newElement.height = element.height;\n }\n\n if (is(oldBusinessObject, 'bpmn:SubProcess')) {\n newElement.isExpanded = isExpanded(oldBusinessObject);\n }\n\n // transform collapsed/expanded pools\n if (is(oldBusinessObject, 'bpmn:Participant')) {\n\n // create expanded pool\n if (target.isExpanded === true) {\n newBusinessObject.processRef = bpmnFactory.create('bpmn:Process');\n } else {\n // remove children when transforming to collapsed pool\n hints.moveChildren = false;\n }\n\n // apply same size\n newElement.width = element.width;\n newElement.height = element.height;\n }\n\n newBusinessObject.name = oldBusinessObject.name;\n\n // retain loop characteristics if the target element is not an event sub process\n if (!isEventSubProcess(newBusinessObject)) {\n newBusinessObject.loopCharacteristics = oldBusinessObject.loopCharacteristics;\n }\n\n // retain default flow's reference between inclusive <-> exclusive gateways and activities\n if ((is(oldBusinessObject, 'bpmn:ExclusiveGateway') || is(oldBusinessObject, 'bpmn:InclusiveGateway') ||\n is(oldBusinessObject, 'bpmn:Activity')) &&\n (is(newBusinessObject, 'bpmn:ExclusiveGateway') || is(newBusinessObject, 'bpmn:InclusiveGateway') ||\n is(newBusinessObject, 'bpmn:Activity')))\n {\n newBusinessObject.default = oldBusinessObject.default;\n }\n\n if (oldBusinessObject.isForCompensation) {\n newBusinessObject.isForCompensation = true;\n }\n\n newElement = replace.replaceElement(element, newElement, hints);\n\n if (hints.select !== false) {\n selection.select(newElement);\n }\n\n return newElement;\n }\n\n this.replaceElement = replaceElement;\n}\n\nBpmnReplace.$inject = [ 'bpmnFactory', 'replace', 'selection', 'modeling' ];\n\nmodule.exports = BpmnReplace;\n","'use strict';\n\nmodule.exports.START_EVENT = [\n {\n label: 'Start Event',\n actionName: 'replace-with-none-start',\n className: 'bpmn-icon-start-event-none',\n target: {\n type: 'bpmn:StartEvent'\n }\n },\n {\n label: 'Intermediate Throw Event',\n actionName: 'replace-with-none-intermediate-throwing',\n className: 'bpmn-icon-intermediate-event-none',\n target: {\n type: 'bpmn:IntermediateThrowEvent'\n }\n },\n {\n label: 'End Event',\n actionName: 'replace-with-none-end',\n className: 'bpmn-icon-end-event-none',\n target: {\n type: 'bpmn:EndEvent'\n }\n },\n {\n label: 'Message Start Event',\n actionName: 'replace-with-message-start',\n className: 'bpmn-icon-start-event-message',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition'\n }\n },\n {\n label: 'Timer Start Event',\n actionName: 'replace-with-timer-start',\n className: 'bpmn-icon-start-event-timer',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:TimerEventDefinition'\n }\n },\n {\n label: 'Conditional Start Event',\n actionName: 'replace-with-conditional-start',\n className: 'bpmn-icon-start-event-condition',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:ConditionalEventDefinition'\n }\n },\n {\n label: 'Signal Start Event',\n actionName: 'replace-with-signal-start',\n className: 'bpmn-icon-start-event-signal',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition'\n }\n }\n];\n\nmodule.exports.INTERMEDIATE_EVENT = [\n {\n label: 'Start Event',\n actionName: 'replace-with-none-start',\n className: 'bpmn-icon-start-event-none',\n target: {\n type: 'bpmn:StartEvent'\n }\n },\n {\n label: 'Intermediate Throw Event',\n actionName: 'replace-with-none-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-none',\n target: {\n type: 'bpmn:IntermediateThrowEvent'\n }\n },\n {\n label: 'End Event',\n actionName: 'replace-with-none-end',\n className: 'bpmn-icon-end-event-none',\n target: {\n type: 'bpmn:EndEvent'\n }\n },\n {\n label: 'Message Intermediate Catch Event',\n actionName: 'replace-with-message-intermediate-catch',\n className: 'bpmn-icon-intermediate-event-catch-message',\n target: {\n type: 'bpmn:IntermediateCatchEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition'\n }\n },\n {\n label: 'Message Intermediate Throw Event',\n actionName: 'replace-with-message-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-throw-message',\n target: {\n type: 'bpmn:IntermediateThrowEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition'\n }\n },\n {\n label: 'Timer Intermediate Catch Event',\n actionName: 'replace-with-timer-intermediate-catch',\n className: 'bpmn-icon-intermediate-event-catch-timer',\n target: {\n type: 'bpmn:IntermediateCatchEvent',\n eventDefinitionType: 'bpmn:TimerEventDefinition'\n }\n },\n {\n label: 'Escalation Intermediate Throw Event',\n actionName: 'replace-with-escalation-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-throw-escalation',\n target: {\n type: 'bpmn:IntermediateThrowEvent',\n eventDefinitionType: 'bpmn:EscalationEventDefinition'\n }\n },\n {\n label: 'Conditional Intermediate Catch Event',\n actionName: 'replace-with-conditional-intermediate-catch',\n className: 'bpmn-icon-intermediate-event-catch-condition',\n target: {\n type: 'bpmn:IntermediateCatchEvent',\n eventDefinitionType: 'bpmn:ConditionalEventDefinition'\n }\n },\n {\n label: 'Link Intermediate Catch Event',\n actionName: 'replace-with-link-intermediate-catch',\n className: 'bpmn-icon-intermediate-event-catch-link',\n target: {\n type: 'bpmn:IntermediateCatchEvent',\n eventDefinitionType: 'bpmn:LinkEventDefinition'\n }\n },\n {\n label: 'Link Intermediate Throw Event',\n actionName: 'replace-with-link-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-throw-link',\n target: {\n type: 'bpmn:IntermediateThrowEvent',\n eventDefinitionType: 'bpmn:LinkEventDefinition'\n }\n },\n {\n label: 'Compensation Intermediate Throw Event',\n actionName: 'replace-with-compensation-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-throw-compensation',\n target: {\n type: 'bpmn:IntermediateThrowEvent',\n eventDefinitionType: 'bpmn:CompensateEventDefinition'\n }\n },\n {\n label: 'Signal Intermediate Catch Event',\n actionName: 'replace-with-signal-intermediate-catch',\n className: 'bpmn-icon-intermediate-event-catch-signal',\n target: {\n type: 'bpmn:IntermediateCatchEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition'\n }\n },\n {\n label: 'Signal Intermediate Throw Event',\n actionName: 'replace-with-signal-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-throw-signal',\n target: {\n type: 'bpmn:IntermediateThrowEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition'\n }\n }\n];\n\nmodule.exports.END_EVENT = [\n {\n label: 'Start Event',\n actionName: 'replace-with-none-start',\n className: 'bpmn-icon-start-event-none',\n target: {\n type: 'bpmn:StartEvent'\n }\n },\n {\n label: 'Intermediate Throw Event',\n actionName: 'replace-with-none-intermediate-throw',\n className: 'bpmn-icon-intermediate-event-none',\n target: {\n type: 'bpmn:IntermediateThrowEvent'\n }\n },\n {\n label: 'End Event',\n actionName: 'replace-with-none-end',\n className: 'bpmn-icon-end-event-none',\n target: {\n type: 'bpmn:EndEvent'\n }\n },\n {\n label: 'Message End Event',\n actionName: 'replace-with-message-end',\n className: 'bpmn-icon-end-event-message',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition'\n }\n },\n {\n label: 'Escalation End Event',\n actionName: 'replace-with-escalation-end',\n className: 'bpmn-icon-end-event-escalation',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:EscalationEventDefinition'\n }\n },\n {\n label: 'Error End Event',\n actionName: 'replace-with-error-end',\n className: 'bpmn-icon-end-event-error',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:ErrorEventDefinition'\n }\n },\n {\n label: 'Cancel End Event',\n actionName: 'replace-with-cancel-end',\n className: 'bpmn-icon-end-event-cancel',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:CancelEventDefinition'\n }\n },\n {\n label: 'Compensation End Event',\n actionName: 'replace-with-compensation-end',\n className: 'bpmn-icon-end-event-compensation',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:CompensateEventDefinition'\n }\n },\n {\n label: 'Signal End Event',\n actionName: 'replace-with-signal-end',\n className: 'bpmn-icon-end-event-signal',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition'\n }\n },\n {\n label: 'Terminate End Event',\n actionName: 'replace-with-terminate-end',\n className: 'bpmn-icon-end-event-terminate',\n target: {\n type: 'bpmn:EndEvent',\n eventDefinitionType: 'bpmn:TerminateEventDefinition'\n }\n }\n];\n\nmodule.exports.GATEWAY = [\n {\n label: 'Exclusive Gateway',\n actionName: 'replace-with-exclusive-gateway',\n className: 'bpmn-icon-gateway-xor',\n target: {\n type: 'bpmn:ExclusiveGateway'\n }\n },\n {\n label: 'Parallel Gateway',\n actionName: 'replace-with-parallel-gateway',\n className: 'bpmn-icon-gateway-parallel',\n target: {\n type: 'bpmn:ParallelGateway'\n }\n },\n {\n label: 'Inclusive Gateway',\n actionName: 'replace-with-inclusive-gateway',\n className: 'bpmn-icon-gateway-or',\n target: {\n type: 'bpmn:InclusiveGateway'\n }\n },\n {\n label: 'Complex Gateway',\n actionName: 'replace-with-complex-gateway',\n className: 'bpmn-icon-gateway-complex',\n target: {\n type: 'bpmn:ComplexGateway'\n }\n },\n {\n label: 'Event based Gateway',\n actionName: 'replace-with-event-based-gateway',\n className: 'bpmn-icon-gateway-eventbased',\n target: {\n type: 'bpmn:EventBasedGateway',\n instantiate: false,\n eventGatewayType: 'Exclusive'\n }\n }\n // Gateways deactivated until https://github.com/bpmn-io/bpmn-js/issues/194\n // {\n // label: 'Event based instantiating Gateway',\n // actionName: 'replace-with-exclusive-event-based-gateway',\n // className: 'bpmn-icon-exclusive-event-based',\n // target: {\n // type: 'bpmn:EventBasedGateway'\n // },\n // options: {\n // businessObject: { instantiate: true, eventGatewayType: 'Exclusive' }\n // }\n // },\n // {\n // label: 'Parallel Event based instantiating Gateway',\n // actionName: 'replace-with-parallel-event-based-instantiate-gateway',\n // className: 'bpmn-icon-parallel-event-based-instantiate-gateway',\n // target: {\n // type: 'bpmn:EventBasedGateway'\n // },\n // options: {\n // businessObject: { instantiate: true, eventGatewayType: 'Parallel' }\n // }\n // }\n];\n\nmodule.exports.SUBPROCESS_EXPANDED = [\n {\n label: 'Transaction',\n actionName: 'replace-with-transaction',\n className: 'bpmn-icon-transaction',\n target: {\n type: 'bpmn:Transaction',\n isExpanded: true\n }\n },\n {\n label: 'Event Sub Process',\n actionName: 'replace-with-event-subprocess',\n className: 'bpmn-icon-event-subprocess-expanded',\n target: {\n type: 'bpmn:SubProcess',\n triggeredByEvent: true,\n isExpanded: true\n }\n }\n];\n\nmodule.exports.TRANSACTION = [\n {\n label: 'Sub Process',\n actionName: 'replace-with-subprocess',\n className: 'bpmn-icon-subprocess-expanded',\n target: {\n type: 'bpmn:SubProcess',\n isExpanded: true\n }\n },\n {\n label: 'Event Sub Process',\n actionName: 'replace-with-event-subprocess',\n className: 'bpmn-icon-event-subprocess-expanded',\n target: {\n type: 'bpmn:SubProcess',\n triggeredByEvent: true,\n isExpanded: true\n }\n }\n];\n\nmodule.exports.EVENT_SUB_PROCESS = [\n {\n label: 'Sub Process',\n actionName: 'replace-with-subprocess',\n className: 'bpmn-icon-subprocess-expanded',\n target: {\n type: 'bpmn:SubProcess',\n isExpanded: true\n }\n },\n {\n label: 'Transaction',\n actionName: 'replace-with-transaction',\n className: 'bpmn-icon-transaction',\n target: {\n type: 'bpmn:Transaction',\n isExpanded: true\n }\n },\n];\n\nmodule.exports.TASK = [\n {\n label: 'Task',\n actionName: 'replace-with-task',\n className: 'bpmn-icon-task',\n target: {\n type: 'bpmn:Task'\n }\n },\n {\n label: 'Send Task',\n actionName: 'replace-with-send-task',\n className: 'bpmn-icon-send',\n target: {\n type: 'bpmn:SendTask'\n }\n },\n {\n label: 'Receive Task',\n actionName: 'replace-with-receive-task',\n className: 'bpmn-icon-receive',\n target: {\n type: 'bpmn:ReceiveTask'\n }\n },\n {\n label: 'User Task',\n actionName: 'replace-with-user-task',\n className: 'bpmn-icon-user',\n target: {\n type: 'bpmn:UserTask'\n }\n },\n {\n label: 'Manual Task',\n actionName: 'replace-with-manual-task',\n className: 'bpmn-icon-manual',\n target: {\n type: 'bpmn:ManualTask'\n }\n },\n {\n label: 'Business Rule Task',\n actionName: 'replace-with-rule-task',\n className: 'bpmn-icon-business-rule',\n target: {\n type: 'bpmn:BusinessRuleTask'\n }\n },\n {\n label: 'Service Task',\n actionName: 'replace-with-service-task',\n className: 'bpmn-icon-service',\n target: {\n type: 'bpmn:ServiceTask'\n }\n },\n {\n label: 'Script Task',\n actionName: 'replace-with-script-task',\n className: 'bpmn-icon-script',\n target: {\n type: 'bpmn:ScriptTask'\n }\n },\n {\n label: 'Call Activity',\n actionName: 'replace-with-call-activity',\n className: 'bpmn-icon-call-activity',\n target: {\n type: 'bpmn:CallActivity'\n }\n },\n {\n label: 'Sub Process (collapsed)',\n actionName: 'replace-with-collapsed-subprocess',\n className: 'bpmn-icon-subprocess-collapsed',\n target: {\n type: 'bpmn:SubProcess',\n isExpanded: false\n }\n }\n];\n\nmodule.exports.BOUNDARY_EVENT = [\n {\n label: 'Message Boundary Event',\n actionName: 'replace-with-message-boundary',\n className: 'bpmn-icon-intermediate-event-catch-message',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition'\n }\n },\n {\n label: 'Timer Boundary Event',\n actionName: 'replace-with-timer-boundary',\n className: 'bpmn-icon-intermediate-event-catch-timer',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:TimerEventDefinition'\n }\n },\n {\n label: 'Escalation Boundary Event',\n actionName: 'replace-with-escalation-boundary',\n className: 'bpmn-icon-intermediate-event-catch-escalation',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:EscalationEventDefinition'\n }\n },\n {\n label: 'Conditional Boundary Event',\n actionName: 'replace-with-conditional-boundary',\n className: 'bpmn-icon-intermediate-event-catch-condition',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:ConditionalEventDefinition'\n }\n },\n {\n label: 'Error Boundary Event',\n actionName: 'replace-with-error-boundary',\n className: 'bpmn-icon-intermediate-event-catch-error',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:ErrorEventDefinition'\n }\n },\n {\n label: 'Cancel Boundary Event',\n actionName: 'replace-with-cancel-boundary',\n className: 'bpmn-icon-intermediate-event-catch-cancel',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:CancelEventDefinition'\n }\n },\n {\n label: 'Signal Boundary Event',\n actionName: 'replace-with-signal-boundary',\n className: 'bpmn-icon-intermediate-event-catch-signal',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition'\n }\n },\n {\n label: 'Compensation Boundary Event',\n actionName: 'replace-with-compensation-boundary',\n className: 'bpmn-icon-intermediate-event-catch-compensation',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:CompensateEventDefinition'\n }\n },\n {\n label: 'Message Boundary Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-message-boundary',\n className: 'bpmn-icon-intermediate-event-catch-non-interrupting-message',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition',\n cancelActivity: false\n }\n },\n {\n label: 'Timer Boundary Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-timer-boundary',\n className: 'bpmn-icon-intermediate-event-catch-non-interrupting-timer',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:TimerEventDefinition',\n cancelActivity: false\n }\n },\n {\n label: 'Escalation Boundary Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-escalation-boundary',\n className: 'bpmn-icon-intermediate-event-catch-non-interrupting-escalation',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:EscalationEventDefinition',\n cancelActivity: false\n }\n },\n {\n label: 'Conditional Boundary Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-conditional-boundary',\n className: 'bpmn-icon-intermediate-event-catch-non-interrupting-condition',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:ConditionalEventDefinition',\n cancelActivity: false\n }\n },\n {\n label: 'Signal Boundary Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-signal-boundary',\n className: 'bpmn-icon-intermediate-event-catch-non-interrupting-signal',\n target: {\n type: 'bpmn:BoundaryEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition',\n cancelActivity: false\n }\n },\n];\n\nmodule.exports.EVENT_SUB_PROCESS_START_EVENT = [\n {\n label: 'Message Start Event',\n actionName: 'replace-with-message-start',\n className: 'bpmn-icon-start-event-message',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition'\n }\n },\n {\n label: 'Timer Start Event',\n actionName: 'replace-with-timer-start',\n className: 'bpmn-icon-start-event-timer',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:TimerEventDefinition'\n }\n },\n {\n label: 'Conditional Start Event',\n actionName: 'replace-with-conditional-start',\n className: 'bpmn-icon-start-event-condition',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:ConditionalEventDefinition'\n }\n },\n {\n label: 'Signal Start Event',\n actionName: 'replace-with-signal-start',\n className: 'bpmn-icon-start-event-signal',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition'\n }\n },\n {\n label: 'Error Start Event',\n actionName: 'replace-with-error-start',\n className: 'bpmn-icon-start-event-error',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:ErrorEventDefinition'\n }\n },\n {\n label: 'Escalation Start Event',\n actionName: 'replace-with-escalation-start',\n className: 'bpmn-icon-start-event-escalation',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:EscalationEventDefinition'\n }\n },\n {\n label: 'Compensation Start Event',\n actionName: 'replace-with-compensation-start',\n className: 'bpmn-icon-start-event-compensation',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:CompensateEventDefinition'\n }\n },\n {\n label: 'Message Start Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-message-start',\n className: 'bpmn-icon-start-event-non-interrupting-message',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:MessageEventDefinition',\n isInterrupting: false\n }\n },\n {\n label: 'Timer Start Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-timer-start',\n className: 'bpmn-icon-start-event-non-interrupting-timer',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:TimerEventDefinition',\n isInterrupting: false\n }\n },\n {\n label: 'Conditional Start Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-conditional-start',\n className: 'bpmn-icon-start-event-non-interrupting-condition',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:ConditionalEventDefinition',\n isInterrupting: false\n }\n },\n {\n label: 'Signal Start Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-signal-start',\n className: 'bpmn-icon-start-event-non-interrupting-signal',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:SignalEventDefinition',\n isInterrupting: false\n }\n },\n {\n label: 'Escalation Start Event (non-interrupting)',\n actionName: 'replace-with-non-interrupting-escalation-start',\n className: 'bpmn-icon-start-event-non-interrupting-escalation',\n target: {\n type: 'bpmn:StartEvent',\n eventDefinitionType: 'bpmn:EscalationEventDefinition',\n isInterrupting: false\n }\n },\n];\n\nmodule.exports.SEQUENCE_FLOW = [\n {\n label: 'Sequence Flow',\n actionName: 'replace-with-sequence-flow',\n className: 'bpmn-icon-connection'\n },\n {\n label: 'Default Flow',\n actionName: 'replace-with-default-flow',\n className: 'bpmn-icon-default-flow'\n },\n {\n label: 'Conditional Flow',\n actionName: 'replace-with-conditional-flow',\n className: 'bpmn-icon-conditional-flow'\n }\n];\n\nmodule.exports.PARTICIPANT = [\n {\n label: 'Expanded Pool',\n actionName: 'replace-with-expanded-pool',\n className: 'bpmn-icon-participant',\n target: {\n type: 'bpmn:Participant',\n isExpanded: true\n }\n },\n {\n label: 'Collapsed Pool',\n actionName: 'replace-with-collapsed-pool',\n // TODO(@janstuemmel): maybe design new icon\n className: 'bpmn-icon-lane',\n target: {\n type: 'bpmn:Participant',\n isExpanded: false\n }\n }\n];\n","module.exports = {\n __depends__: [\n require(177),\n require(189)\n ],\n bpmnReplace: [ 'type', require(55) ]\n};","'use strict';\n\nvar find = require(254),\n any = require(251),\n filter = require(253),\n forEach = require(255),\n inherits = require(243);\n\nvar getParents = require(45).getParents,\n is = require(70).is,\n isAny = require(45).isAny,\n getBusinessObject = require(70).getBusinessObject,\n isExpanded = require(68).isExpanded,\n isEventSubProcess = require(68).isEventSubProcess,\n isInterrupting = require(68).isInterrupting;\n\n\nvar RuleProvider = require(183);\n\nvar isBoundaryAttachment = require(61).getBoundaryAttachment;\n\n/**\n * BPMN specific modeling rule\n */\nfunction BpmnRules(eventBus) {\n RuleProvider.call(this, eventBus);\n}\n\ninherits(BpmnRules, RuleProvider);\n\nBpmnRules.$inject = [ 'eventBus' ];\n\nmodule.exports = BpmnRules;\n\nBpmnRules.prototype.init = function() {\n\n this.addRule('connection.create', function(context) {\n var source = context.source,\n target = context.target;\n\n return canConnect(source, target);\n });\n\n this.addRule('connection.reconnectStart', function(context) {\n\n var connection = context.connection,\n source = context.hover || context.source,\n target = connection.target;\n\n return canConnect(source, target, connection);\n });\n\n this.addRule('connection.reconnectEnd', function(context) {\n\n var connection = context.connection,\n source = connection.source,\n target = context.hover || context.target;\n\n return canConnect(source, target, connection);\n });\n\n this.addRule('connection.updateWaypoints', function(context) {\n // OK! but visually ignore\n return null;\n });\n\n this.addRule('shape.resize', function(context) {\n\n var shape = context.shape,\n newBounds = context.newBounds;\n\n return canResize(shape, newBounds);\n });\n\n this.addRule('elements.move', function(context) {\n\n var target = context.target,\n shapes = context.shapes,\n position = context.position;\n\n return canAttach(shapes, target, null, position) ||\n canReplace(shapes, target, position) ||\n canMove(shapes, target, position);\n });\n\n this.addRule([ 'shape.create', 'shape.append' ], function(context) {\n var target = context.target,\n shape = context.shape,\n source = context.source,\n position = context.position;\n\n return canAttach([ shape ], target, source, position) || canCreate(shape, target, source, position);\n });\n\n this.addRule([ 'elements.delete' ], function(context) {\n\n // do not allow deletion of labels\n return filter(context.elements, function(e) {\n return !isLabel(e);\n });\n });\n};\n\nBpmnRules.prototype.canConnectMessageFlow = canConnectMessageFlow;\n\nBpmnRules.prototype.canConnectSequenceFlow = canConnectSequenceFlow;\n\nBpmnRules.prototype.canConnectDataAssociation = canConnectDataAssociation;\n\nBpmnRules.prototype.canConnectAssociation = canConnectAssociation;\n\nBpmnRules.prototype.canMove = canMove;\n\nBpmnRules.prototype.canAttach = canAttach;\n\nBpmnRules.prototype.canReplace = canReplace;\n\nBpmnRules.prototype.canDrop = canDrop;\n\nBpmnRules.prototype.canInsert = canInsert;\n\nBpmnRules.prototype.canCreate = canCreate;\n\nBpmnRules.prototype.canConnect = canConnect;\n\nBpmnRules.prototype.canResize = canResize;\n\n/**\n * Utility functions for rule checking\n */\n\nfunction nonExistantOrLabel(element) {\n return !element || isLabel(element);\n}\n\nfunction isSame(a, b) {\n return a === b;\n}\n\nfunction getOrganizationalParent(element) {\n\n var bo = getBusinessObject(element);\n\n while (bo && !is(bo, 'bpmn:Process')) {\n if (is(bo, 'bpmn:Participant')) {\n return bo.processRef || bo;\n }\n\n bo = bo.$parent;\n }\n\n return bo;\n}\n\nfunction isTextAnnotation(element) {\n return is(element, 'bpmn:TextAnnotation');\n}\n\nfunction isCompensationBoundary(element) {\n return is(element, 'bpmn:BoundaryEvent') &&\n hasEventDefinition(element, 'bpmn:CompensateEventDefinition');\n}\n\nfunction isForCompensation(e) {\n return getBusinessObject(e).isForCompensation;\n}\n\nfunction isSameOrganization(a, b) {\n var parentA = getOrganizationalParent(a),\n parentB = getOrganizationalParent(b);\n\n return parentA === parentB;\n}\n\nfunction isMessageFlowSource(element) {\n return is(element, 'bpmn:InteractionNode') &&\n !isForCompensation(element) && (\n !is(element, 'bpmn:Event') || (\n is(element, 'bpmn:ThrowEvent') &&\n hasEventDefinitionOrNone(element, 'bpmn:MessageEventDefinition')\n )\n );\n}\n\nfunction isMessageFlowTarget(element) {\n return is(element, 'bpmn:InteractionNode') &&\n !isForCompensation(element) && (\n !is(element, 'bpmn:Event') || (\n is(element, 'bpmn:CatchEvent') &&\n hasEventDefinitionOrNone(element, 'bpmn:MessageEventDefinition')\n )\n );\n}\n\nfunction getScopeParent(element) {\n\n var bo = getBusinessObject(element);\n\n if (is(bo, 'bpmn:Participant')) {\n return null;\n }\n\n while (bo) {\n bo = bo.$parent;\n\n if (is(bo, 'bpmn:FlowElementsContainer')) {\n return bo;\n }\n }\n\n return bo;\n}\n\nfunction isSameScope(a, b) {\n var scopeParentA = getScopeParent(a),\n scopeParentB = getScopeParent(b);\n\n return scopeParentA && (scopeParentA === scopeParentB);\n}\n\nfunction hasEventDefinition(element, eventDefinition) {\n var bo = getBusinessObject(element);\n\n return !!find(bo.eventDefinitions || [], function(definition) {\n return is(definition, eventDefinition);\n });\n}\n\nfunction hasEventDefinitionOrNone(element, eventDefinition) {\n var bo = getBusinessObject(element);\n\n return (bo.eventDefinitions || []).every(function(definition) {\n return is(definition, eventDefinition);\n });\n}\n\nfunction isSequenceFlowSource(element) {\n return is(element, 'bpmn:FlowNode') &&\n !is(element, 'bpmn:EndEvent') &&\n !isEventSubProcess(element) &&\n !(is(element, 'bpmn:IntermediateThrowEvent') &&\n hasEventDefinition(element, 'bpmn:LinkEventDefinition')\n ) &&\n !isCompensationBoundary(element) &&\n !isForCompensation(element);\n}\n\nfunction isSequenceFlowTarget(element) {\n return is(element, 'bpmn:FlowNode') &&\n !is(element, 'bpmn:StartEvent') &&\n !is(element, 'bpmn:BoundaryEvent') &&\n !isEventSubProcess(element) &&\n !(is(element, 'bpmn:IntermediateCatchEvent') &&\n hasEventDefinition(element, 'bpmn:LinkEventDefinition')\n ) &&\n !isForCompensation(element);\n\n}\n\nfunction isEventBasedTarget(element) {\n return is(element, 'bpmn:ReceiveTask') || (\n is(element, 'bpmn:IntermediateCatchEvent') && (\n hasEventDefinition(element, 'bpmn:MessageEventDefinition') ||\n hasEventDefinition(element, 'bpmn:TimerEventDefinition') ||\n hasEventDefinition(element, 'bpmn:ConditionalEventDefinition') ||\n hasEventDefinition(element, 'bpmn:SignalEventDefinition')\n )\n );\n}\n\nfunction isLabel(element) {\n return element.labelTarget;\n}\n\nfunction isConnection(element) {\n return element.waypoints;\n}\n\nfunction isParent(possibleParent, element) {\n var allParents = getParents(element);\n return allParents.indexOf(possibleParent) !== -1;\n}\n\nfunction canConnect(source, target, connection) {\n\n if (nonExistantOrLabel(source) || nonExistantOrLabel(target)) {\n return null;\n }\n\n // See https://github.com/bpmn-io/bpmn-js/issues/178\n // as a workround we disallow connections with same\n // target and source element.\n // This rule must be removed if a auto layout for this\n // connections is implemented.\n if (isSame(source, target)) {\n return false;\n }\n\n if (!is(connection, 'bpmn:DataAssociation')) {\n\n if (canConnectMessageFlow(source, target)) {\n return { type: 'bpmn:MessageFlow' };\n }\n\n if (canConnectSequenceFlow(source, target)) {\n return { type: 'bpmn:SequenceFlow' };\n }\n }\n\n var connectDataAssociation = canConnectDataAssociation(source, target);\n\n if (connectDataAssociation) {\n return connectDataAssociation;\n }\n\n if (isCompensationBoundary(source) && isForCompensation(target)) {\n return {\n type: 'bpmn:Association',\n associationDirection: 'One'\n };\n }\n\n if (is(connection, 'bpmn:Association') && canConnectAssociation(source, target)) {\n\n return {\n type: 'bpmn:Association'\n };\n }\n\n if (isTextAnnotation(source) || isTextAnnotation(target)) {\n\n return {\n type: 'bpmn:Association'\n };\n }\n\n return false;\n}\n\n/**\n * Can an element be dropped into the target element\n *\n * @return {Boolean}\n */\nfunction canDrop(element, target, position) {\n\n // can move labels everywhere\n if (isLabel(element) && !isConnection(target)) {\n return true;\n }\n\n // disallow to create elements on collapsed pools\n if (is(target, 'bpmn:Participant') && !isExpanded(target)) {\n return false;\n }\n\n // allow to create new participants on\n // on existing collaboration and process diagrams\n if (is(element, 'bpmn:Participant')) {\n return is(target, 'bpmn:Process') || is(target, 'bpmn:Collaboration');\n }\n\n // allow creating lanes on participants and other lanes only\n if (is(element, 'bpmn:Lane')) {\n return is(target, 'bpmn:Participant') || is(target, 'bpmn:Lane');\n }\n\n if (is(element, 'bpmn:BoundaryEvent')) {\n return false;\n }\n\n // drop flow elements onto flow element containers\n // and participants\n if (is(element, 'bpmn:FlowElement') || is(element, 'bpmn:DataAssociation')) {\n if (is(target, 'bpmn:FlowElementsContainer')) {\n return isExpanded(target);\n }\n\n return isAny(target, [ 'bpmn:Participant', 'bpmn:Lane' ]);\n }\n\n if (is(element, 'bpmn:Artifact')) {\n return isAny(target, [\n 'bpmn:Collaboration',\n 'bpmn:Lane',\n 'bpmn:Participant',\n 'bpmn:Process',\n 'bpmn:SubProcess' ]);\n }\n\n if (is(element, 'bpmn:MessageFlow')) {\n return is(target, 'bpmn:Collaboration');\n }\n\n return false;\n}\n\nfunction isBoundaryEvent(element) {\n return !isLabel(element) && is(element, 'bpmn:BoundaryEvent');\n}\n\nfunction isLane(element) {\n return is(element, 'bpmn:Lane');\n}\n\n/**\n * We treat IntermediateThrowEvents as boundary events during create,\n * this must be reflected in the rules.\n */\nfunction isBoundaryCandidate(element) {\n return isBoundaryEvent(element) ||\n (is(element, 'bpmn:IntermediateThrowEvent') && !element.parent);\n}\n\n\nfunction canAttach(elements, target, source, position) {\n\n if (!Array.isArray(elements)) {\n elements = [ elements ];\n }\n\n // disallow appending as boundary event\n if (source) {\n return false;\n }\n\n // only (re-)attach one element at a time\n if (elements.length !== 1) {\n return false;\n }\n\n var element = elements[0];\n\n // do not attach labels\n if (isLabel(element)) {\n return false;\n }\n\n // only handle boundary events\n if (!isBoundaryCandidate(element)) {\n return false;\n }\n\n // allow default move operation\n if (!target) {\n return true;\n }\n\n // disallow drop on event sub processes\n if (isEventSubProcess(target)) {\n return false;\n }\n\n // only allow drop on non compensation activities\n if (!is(target, 'bpmn:Activity') || isForCompensation(target)) {\n return false;\n }\n\n // only attach to subprocess border\n if (position && !isBoundaryAttachment(position, target)) {\n return false;\n }\n\n return 'attach';\n}\n\n\n/**\n * Defines how to replace elements for a given target.\n *\n * Returns an array containing all elements which will be replaced.\n *\n * @example\n *\n * [{ id: 'IntermediateEvent_2',\n * type: 'bpmn:StartEvent'\n * },\n * { id: 'IntermediateEvent_5',\n * type: 'bpmn:EndEvent'\n * }]\n *\n * @param {Array} elements\n * @param {Object} target\n *\n * @return {Object} an object containing all elements which have to be replaced\n */\nfunction canReplace(elements, target, position) {\n\n if (!target) {\n return false;\n }\n\n var canExecute = {\n replacements: []\n };\n\n forEach(elements, function(element) {\n\n // replace a non-interrupting start event by a blank interrupting start event\n // when the target is not an event sub process\n if (!isEventSubProcess(target)) {\n\n if (is(element, 'bpmn:StartEvent') &&\n !isInterrupting(element) &&\n element.type !== 'label' &&\n canDrop(element, target)) {\n\n canExecute.replacements.push({\n oldElementId: element.id,\n newElementType: 'bpmn:StartEvent'\n });\n }\n }\n\n if (!is(target, 'bpmn:Transaction')) {\n if (hasEventDefinition(element, 'bpmn:CancelEventDefinition') &&\n element.type !== 'label') {\n\n if (is(element, 'bpmn:EndEvent') && canDrop(element, target)) {\n canExecute.replacements.push({\n oldElementId: element.id,\n newElementType: 'bpmn:EndEvent'\n });\n }\n\n if (is(element, 'bpmn:BoundaryEvent') && canAttach(element, target, null, position)) {\n canExecute.replacements.push({\n oldElementId: element.id,\n newElementType: 'bpmn:BoundaryEvent'\n });\n }\n }\n }\n });\n\n return canExecute.replacements.length ? canExecute : false;\n}\n\nfunction canMove(elements, target) {\n\n // do not move selection containing boundary events\n if (any(elements, isBoundaryEvent)) {\n return false;\n }\n\n // do not move selection containing lanes\n if (any(elements, isLane)) {\n return false;\n }\n\n // allow default move check to start move operation\n if (!target) {\n return true;\n }\n\n return elements.every(function(element) {\n return canDrop(element, target);\n });\n}\n\nfunction canCreate(shape, target, source, position) {\n\n if (!target) {\n return false;\n }\n\n if (isLabel(target)) {\n return null;\n }\n\n if (isSame(source, target)) {\n return false;\n }\n\n // ensure we do not drop the element\n // into source\n if (source && isParent(source, target)) {\n return false;\n }\n\n return canDrop(shape, target, position) || canInsert(shape, target, position);\n}\n\nfunction canResize(shape, newBounds) {\n if (is(shape, 'bpmn:SubProcess')) {\n return (!!isExpanded(shape)) && (\n !newBounds || (newBounds.width >= 100 && newBounds.height >= 80)\n );\n }\n\n if (is(shape, 'bpmn:Lane')) {\n return !newBounds || (newBounds.width >= 130 && newBounds.height >= 60);\n }\n\n if (is(shape, 'bpmn:Participant')) {\n return !newBounds || (newBounds.width >= 250 && newBounds.height >= 50);\n }\n\n if (isTextAnnotation(shape)) {\n return true;\n }\n\n return false;\n}\n\nfunction canConnectAssociation(source, target) {\n\n // do not connect connections\n if (isConnection(source) || isConnection(target)) {\n return false;\n }\n\n // connect if different parent\n return !isParent(target, source) &&\n !isParent(source, target);\n}\n\nfunction canConnectMessageFlow(source, target) {\n\n return isMessageFlowSource(source) &&\n isMessageFlowTarget(target) &&\n !isSameOrganization(source, target);\n}\n\nfunction canConnectSequenceFlow(source, target) {\n\n return isSequenceFlowSource(source) &&\n isSequenceFlowTarget(target) &&\n isSameScope(source, target) &&\n !(is(source, 'bpmn:EventBasedGateway') && !isEventBasedTarget(target));\n}\n\n\nfunction canConnectDataAssociation(source, target) {\n\n if (isAny(source, [ 'bpmn:DataObjectReference', 'bpmn:DataStoreReference' ]) &&\n isAny(target, [ 'bpmn:Activity', 'bpmn:ThrowEvent' ])) {\n return { type: 'bpmn:DataInputAssociation' };\n }\n\n if (isAny(target, [ 'bpmn:DataObjectReference', 'bpmn:DataStoreReference' ]) &&\n isAny(source, [ 'bpmn:Activity', 'bpmn:CatchEvent' ])) {\n return { type: 'bpmn:DataOutputAssociation' };\n }\n\n return false;\n}\n\nfunction canInsert(shape, flow, position) {\n\n // return true if we can drop on the\n // underlying flow parent\n //\n // at this point we are not really able to talk\n // about connection rules (yet)\n return (\n isAny(flow, [ 'bpmn:SequenceFlow', 'bpmn:MessageFlow' ]) &&\n is(shape, 'bpmn:FlowNode') &&\n !is(shape, 'bpmn:BoundaryEvent') &&\n canDrop(shape, flow.parent, position));\n}\n","module.exports = {\n __depends__: [\n require(185)\n ],\n __init__: [ 'bpmnRules' ],\n bpmnRules: [ 'type', require(58) ]\n};\n","'use strict';\n\nvar inherits = require(243);\n\nvar forEach = require(255);\n\nvar getBoundingBox = require(221).getBBox;\n\nvar is = require(70).is,\n isAny = require(45).isAny,\n isExpanded = require(68).isExpanded;\n\nvar Snapping = require(192),\n SnapUtil = require(191);\n\nvar asTRBL = require(208).asTRBL;\n\nvar round = Math.round;\n\nvar mid = SnapUtil.mid,\n topLeft = SnapUtil.topLeft,\n bottomRight = SnapUtil.bottomRight,\n isSnapped = SnapUtil.isSnapped,\n setSnapped = SnapUtil.setSnapped;\n\nvar getBoundaryAttachment = require(61).getBoundaryAttachment,\n getParticipantSizeConstraints = require(61).getParticipantSizeConstraints,\n getLanesRoot = require(44).getLanesRoot;\n\n\n/**\n * BPMN specific snapping functionality\n *\n * * snap on process elements if a pool is created inside a\n * process diagram\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n */\nfunction BpmnSnapping(eventBus, canvas, bpmnRules, elementRegistry) {\n\n // instantiate super\n Snapping.call(this, eventBus, canvas);\n\n\n /**\n * Drop participant on process <> process elements snapping\n */\n eventBus.on('create.start', function(event) {\n\n var context = event.context,\n shape = context.shape,\n rootElement = canvas.getRootElement();\n\n // snap participant around existing elements (if any)\n if (is(shape, 'bpmn:Participant') && is(rootElement, 'bpmn:Process')) {\n initParticipantSnapping(context, shape, rootElement.children);\n }\n });\n\n eventBus.on([ 'create.move', 'create.end' ], 1500, function(event) {\n\n var context = event.context,\n shape = context.shape,\n participantSnapBox = context.participantSnapBox;\n\n if (!isSnapped(event) && participantSnapBox) {\n snapParticipant(participantSnapBox, shape, event);\n }\n });\n\n eventBus.on('shape.move.start', function(event) {\n\n var context = event.context,\n shape = context.shape,\n rootElement = canvas.getRootElement();\n\n // snap participant around existing elements (if any)\n if (is(shape, 'bpmn:Participant') && is(rootElement, 'bpmn:Process')) {\n initParticipantSnapping(context, shape, rootElement.children);\n }\n });\n\n\n function canAttach(shape, target, position) {\n return bpmnRules.canAttach([ shape ], target, null, position) === 'attach';\n }\n\n /**\n * Snap boundary events to elements border\n */\n eventBus.on([\n 'create.move',\n 'create.end',\n 'shape.move.move',\n 'shape.move.end'\n ], 1500, function(event) {\n\n var context = event.context,\n target = context.target,\n shape = context.shape;\n\n if (target && !isSnapped(event) && canAttach(shape, target, event)) {\n snapBoundaryEvent(event, shape, target);\n }\n });\n\n /**\n * Adjust parent for flowElements to the target participant\n * when droping onto lanes.\n */\n eventBus.on([\n 'shape.move.hover',\n 'shape.move.move',\n 'shape.move.end',\n 'create.hover',\n 'create.move',\n 'create.end'\n ], 1500, function(event) {\n var context = event.context,\n shape = context.shape,\n hover = event.hover;\n\n if (is(hover, 'bpmn:Lane') && !isAny(shape, [ 'bpmn:Lane', 'bpmn:Participant' ])) {\n event.hover = getLanesRoot(hover);\n event.hoverGfx = elementRegistry.getGraphics(event.hover);\n }\n });\n\n\n var abs = Math.abs;\n\n var filter = require(253),\n assign = require(377);\n\n\n eventBus.on([\n 'create.move',\n 'shape.move.move'\n ], function(event) {\n\n var context = event.context,\n shape = context.shape,\n target = context.target;\n\n var threshold = 30;\n\n if (is(shape, 'bpmn:Lane')) {\n if (isAny(target, [ 'bpmn:Lane', 'bpmn:Participant' ])) {\n\n var childLanes = filter(target.children, function(c) {\n return is(c, 'bpmn:Lane');\n });\n\n var y = event.y,\n targetTrbl;\n\n var insert = childLanes.reduce(function(insert, l) {\n\n var laneTrbl = asTRBL(l);\n\n if (abs(laneTrbl.top - y) < threshold) {\n insert = assign(insert || {}, { before: { element: l, y: laneTrbl.top } });\n } else\n if (abs(laneTrbl.bottom - y) < threshold) {\n insert = assign(insert || {}, { after: { element: l, y: laneTrbl.bottom } });\n } else\n if (laneTrbl.top < y && laneTrbl.bottom > y) {\n if (abs(laneTrbl.top - y) > abs(laneTrbl.bottom - y)) {\n insert = assign(insert || {}, { after: { element: l, y: laneTrbl.bottom } });\n } else {\n insert = assign(insert || {}, { before: { element: l, y: laneTrbl.top } });\n }\n\n }\n\n return insert;\n }, false);\n\n\n if (!insert) {\n targetTrbl = asTRBL(target);\n\n if (abs(targetTrbl.top - y) < threshold) {\n insert = { before: { element: target, y: targetTrbl.top } };\n } else\n if (abs(targetTrbl.bottom - y) < threshold) {\n insert = { after: { element: target, y: targetTrbl.bottom } };\n } else {\n insert = { into: { element: target, y: (targetTrbl.top + targetTrbl.bottom) / 2 } };\n }\n\n }\n\n if (insert.before && insert.after) {\n console.log('insert between', insert.before.element.id, 'and', insert.after.element.id);\n setSnapped(event, 'x', insert.before.element.x + insert.before.element.width / 2);\n setSnapped(event, 'y', insert.before.y);\n } else\n if (insert.after) {\n console.log('insert after', insert.after.element.id);\n setSnapped(event, 'x', insert.after.element.x + insert.after.element.width / 2);\n setSnapped(event, 'y', insert.after.y);\n } else\n if (insert.before) {\n console.log('insert before', insert.before.element.id);\n setSnapped(event, 'x', insert.before.element.x + insert.before.element.width / 2);\n setSnapped(event, 'y', insert.before.y);\n } else\n if (insert.into) {\n console.log('insert into', insert.into.element.id);\n setSnapped(event, 'x', insert.into.element.x + insert.into.element.width / 2);\n setSnapped(event, 'y', insert.into.y);\n }\n }\n }\n\n });\n\n eventBus.on('resize.start', 1500, function(event) {\n var context = event.context,\n shape = context.shape;\n\n if (is(shape, 'bpmn:SubProcess') && isExpanded(shape)) {\n context.minDimensions = { width: 140, height: 120 };\n }\n\n if (is(shape, 'bpmn:Participant')) {\n context.minDimensions = { width: 300, height: 150 };\n }\n\n if (is(shape, 'bpmn:Lane') || is(shape, 'bpmn:Participant')) {\n context.resizeConstraints = getParticipantSizeConstraints(shape, context.direction, context.balanced);\n }\n\n if (is(shape, 'bpmn:TextAnnotation')) {\n context.minDimensions = { width: 50, height: 30 };\n }\n });\n\n}\n\ninherits(BpmnSnapping, Snapping);\n\nBpmnSnapping.$inject = [ 'eventBus', 'canvas', 'bpmnRules', 'elementRegistry' ];\n\nmodule.exports = BpmnSnapping;\n\n\nBpmnSnapping.prototype.initSnap = function(event) {\n\n var context = event.context,\n shape = event.shape,\n shapeMid,\n shapeBounds,\n shapeTopLeft,\n shapeBottomRight,\n snapContext;\n\n\n snapContext = Snapping.prototype.initSnap.call(this, event);\n\n if (is(shape, 'bpmn:Participant')) {\n // assign higher priority for outer snaps on participants\n snapContext.setSnapLocations([ 'top-left', 'bottom-right', 'mid' ]);\n }\n\n\n if (shape) {\n\n shapeMid = mid(shape, event);\n\n shapeBounds = {\n width: shape.width,\n height: shape.height,\n x: isNaN(shape.x) ? round(shapeMid.x - shape.width / 2) : shape.x,\n y: isNaN(shape.y) ? round(shapeMid.y - shape.height / 2) : shape.y,\n };\n\n shapeTopLeft = topLeft(shapeBounds);\n shapeBottomRight = bottomRight(shapeBounds);\n\n snapContext.setSnapOrigin('top-left', {\n x: shapeTopLeft.x - event.x,\n y: shapeTopLeft.y - event.y\n });\n\n snapContext.setSnapOrigin('bottom-right', {\n x: shapeBottomRight.x - event.x,\n y: shapeBottomRight.y - event.y\n });\n\n forEach(shape.outgoing, function(c) {\n var docking = c.waypoints[0];\n\n docking = docking.original || docking;\n\n snapContext.setSnapOrigin(c.id + '-docking', {\n x: docking.x - event.x,\n y: docking.y - event.y\n });\n });\n\n forEach(shape.incoming, function(c) {\n var docking = c.waypoints[c.waypoints.length - 1];\n\n docking = docking.original || docking;\n\n snapContext.setSnapOrigin(c.id + '-docking', {\n x: docking.x - event.x,\n y: docking.y - event.y\n });\n });\n\n }\n\n var source = context.source;\n\n if (source) {\n snapContext.addDefaultSnap('mid', mid(source));\n }\n};\n\n\nBpmnSnapping.prototype.addTargetSnaps = function(snapPoints, shape, target) {\n\n // use target parent as snap target\n if (is(shape, 'bpmn:BoundaryEvent') && shape.type !== 'label') {\n target = target.parent;\n }\n\n // add sequence flow parents as snap targets\n if (is(target, 'bpmn:SequenceFlow')) {\n this.addTargetSnaps(snapPoints, shape, target.parent);\n }\n\n var siblings = this.getSiblings(shape, target) || [];\n\n forEach(siblings, function(s) {\n\n // do not snap to lanes\n if (is(s, 'bpmn:Lane')) {\n return;\n }\n\n snapPoints.add('mid', mid(s));\n\n if (is(s, 'bpmn:Participant')) {\n snapPoints.add('top-left', topLeft(s));\n snapPoints.add('bottom-right', bottomRight(s));\n }\n });\n\n\n forEach(shape.incoming, function(c) {\n\n if (siblings.indexOf(c.source) === -1) {\n snapPoints.add('mid', mid(c.source));\n }\n\n var docking = c.waypoints[0];\n snapPoints.add(c.id + '-docking', docking.original || docking);\n });\n\n\n forEach(shape.outgoing, function(c) {\n\n if (siblings.indexOf(c.target) === -1) {\n snapPoints.add('mid', mid(c.target));\n }\n\n var docking = c.waypoints[c.waypoints.length - 1];\n snapPoints.add(c.id + '-docking', docking.original || docking);\n });\n};\n\n\n/////// participant snapping //////////////////\n\nfunction initParticipantSnapping(context, shape, elements) {\n\n if (!elements.length) {\n return;\n }\n\n var snapBox = getBoundingBox(elements.filter(function(e) {\n return !e.labelTarget && !e.waypoints;\n }));\n\n snapBox.x -= 50;\n snapBox.y -= 20;\n snapBox.width += 70;\n snapBox.height += 40;\n\n // adjust shape height to include bounding box\n shape.width = Math.max(shape.width, snapBox.width);\n shape.height = Math.max(shape.height, snapBox.height);\n\n context.participantSnapBox = snapBox;\n}\n\nfunction snapParticipant(snapBox, shape, event, offset) {\n offset = offset || 0;\n\n var shapeHalfWidth = shape.width / 2 - offset,\n shapeHalfHeight = shape.height / 2;\n\n var currentTopLeft = {\n x: event.x - shapeHalfWidth - offset,\n y: event.y - shapeHalfHeight\n };\n\n var currentBottomRight = {\n x: event.x + shapeHalfWidth + offset,\n y: event.y + shapeHalfHeight\n };\n\n var snapTopLeft = snapBox,\n snapBottomRight = bottomRight(snapBox);\n\n if (currentTopLeft.x >= snapTopLeft.x) {\n setSnapped(event, 'x', snapTopLeft.x + offset + shapeHalfWidth);\n } else\n if (currentBottomRight.x <= snapBottomRight.x) {\n setSnapped(event, 'x', snapBottomRight.x - offset - shapeHalfWidth);\n }\n\n if (currentTopLeft.y >= snapTopLeft.y) {\n setSnapped(event, 'y', snapTopLeft.y + shapeHalfHeight);\n } else\n if (currentBottomRight.y <= snapBottomRight.y) {\n setSnapped(event, 'y', snapBottomRight.y - shapeHalfHeight);\n }\n}\n\n\n/////// boundary event snapping /////////////////////////\n\n\nfunction snapBoundaryEvent(event, shape, target) {\n var targetTRBL = asTRBL(target);\n\n var direction = getBoundaryAttachment(event, target);\n\n if (/top/.test(direction)) {\n setSnapped(event, 'y', targetTRBL.top);\n } else\n if (/bottom/.test(direction)) {\n setSnapped(event, 'y', targetTRBL.bottom);\n }\n\n if (/left/.test(direction)) {\n setSnapped(event, 'x', targetTRBL.left);\n } else\n if (/right/.test(direction)) {\n setSnapped(event, 'x', targetTRBL.right);\n }\n}\n","'use strict';\n\nvar getOrientation = require(208).getOrientation;\n\n\nfunction getBoundaryAttachment(position, targetBounds) {\n\n var orientation = getOrientation(position, targetBounds, -15);\n\n if (orientation !== 'intersect') {\n return orientation;\n } else {\n return null;\n }\n}\n\nmodule.exports.getBoundaryAttachment = getBoundaryAttachment;\n\n\n\n// participant snapping box implementation /////////////////\n\nvar is = require(70).is;\n\nvar asTRBL = require(208).asTRBL;\n\nvar collectLanes = require(44).collectLanes,\n getLanesRoot = require(44).getLanesRoot;\n\nvar abs = Math.abs,\n min = Math.min,\n max = Math.max;\n\n\nfunction addToTrbl(trbl, attr, value, choice) {\n\n var current = trbl[attr];\n\n // make sure to set the value if it does not exist\n // or apply the correct value by comparing against\n // choice(value, currentValue)\n trbl[attr] = current === undefined ? value : choice(value, current);\n}\n\nfunction addMin(trbl, attr, value) {\n return addToTrbl(trbl, attr, value, min);\n}\n\nfunction addMax(trbl, attr, value) {\n return addToTrbl(trbl, attr, value, max);\n}\n\n\nvar LANE_MIN_HEIGHT = 60,\n LANE_MIN_WIDTH = 300,\n LANE_RIGHT_PADDING = 20,\n LANE_LEFT_PADDING = 50,\n LANE_TOP_PADDING = 20,\n LANE_BOTTOM_PADDING = 20;\n\n\nfunction getParticipantSizeConstraints(laneShape, resizeDirection, balanced) {\n\n var lanesRoot = getLanesRoot(laneShape);\n\n var isFirst = true,\n isLast = true;\n\n ///// max top/bottom size for lanes\n\n var allLanes = collectLanes(lanesRoot, [ lanesRoot ]);\n\n var laneTrbl = asTRBL(laneShape);\n\n var maxTrbl = {},\n minTrbl = {};\n\n if (/e/.test(resizeDirection)) {\n minTrbl.right = laneTrbl.left + LANE_MIN_WIDTH;\n } else\n if (/w/.test(resizeDirection)) {\n minTrbl.left = laneTrbl.right - LANE_MIN_WIDTH;\n }\n\n allLanes.forEach(function(other) {\n\n var otherTrbl = asTRBL(other);\n\n if (/n/.test(resizeDirection)) {\n\n if (otherTrbl.top < (laneTrbl.top - 10)) {\n isFirst = false;\n }\n\n // max top size (based on next element)\n if (balanced && abs(laneTrbl.top - otherTrbl.bottom) < 10) {\n addMax(maxTrbl, 'top', otherTrbl.top + LANE_MIN_HEIGHT);\n }\n\n // min top size (based on self or nested element)\n if (abs(laneTrbl.top - otherTrbl.top) < 5) {\n addMin(minTrbl, 'top', otherTrbl.bottom - LANE_MIN_HEIGHT);\n }\n }\n\n if (/s/.test(resizeDirection)) {\n\n if (otherTrbl.bottom > (laneTrbl.bottom + 10)) {\n isLast = false;\n }\n\n // max bottom size (based on previous element)\n if (balanced && abs(laneTrbl.bottom - otherTrbl.top) < 10) {\n addMin(maxTrbl, 'bottom', otherTrbl.bottom - LANE_MIN_HEIGHT);\n }\n\n // min bottom size (based on self or nested element)\n if (abs(laneTrbl.bottom - otherTrbl.bottom) < 5) {\n addMax(minTrbl, 'bottom', otherTrbl.top + LANE_MIN_HEIGHT);\n }\n }\n });\n\n\n ///// max top/bottom/left/right size based on flow nodes\n\n var flowElements = lanesRoot.children.filter(function(s) {\n return !s.hidden && !s.waypoints && (is(s, 'bpmn:FlowElement') || is(s, 'bpmn:Artifact'));\n });\n\n flowElements.forEach(function(flowElement) {\n\n var flowElementTrbl = asTRBL(flowElement);\n\n if (isFirst && /n/.test(resizeDirection)) {\n addMin(minTrbl, 'top', flowElementTrbl.top - LANE_TOP_PADDING);\n }\n\n if (/e/.test(resizeDirection)) {\n addMax(minTrbl, 'right', flowElementTrbl.right + LANE_RIGHT_PADDING);\n }\n\n if (isLast && /s/.test(resizeDirection)) {\n addMax(minTrbl, 'bottom', flowElementTrbl.bottom + LANE_BOTTOM_PADDING);\n }\n\n if (/w/.test(resizeDirection)) {\n addMin(minTrbl, 'left', flowElementTrbl.left - LANE_LEFT_PADDING);\n }\n });\n\n\n return {\n min: minTrbl,\n max: maxTrbl\n };\n}\n\n\nmodule.exports.getParticipantSizeConstraints = getParticipantSizeConstraints;","module.exports = {\n __init__: [ 'snapping' ],\n snapping: [ 'type', require(60) ]\n};","'use strict';\n\nvar assign = require(377),\n map = require(258);\n\nvar LabelUtil = require(69);\n\nvar is = require(70).is;\n\nvar hasExternalLabel = LabelUtil.hasExternalLabel,\n getExternalLabelBounds = LabelUtil.getExternalLabelBounds,\n isExpanded = require(68).isExpanded,\n elementToString = require(66).elementToString;\n\n\nfunction elementData(semantic, attrs) {\n return assign({\n id: semantic.id,\n type: semantic.$type,\n businessObject: semantic\n }, attrs);\n}\n\nfunction collectWaypoints(waypoints) {\n return map(waypoints, function(p) {\n return { x: p.x, y: p.y };\n });\n}\n\nfunction notYetDrawn(translate, semantic, refSemantic, property) {\n return new Error(translate('element {element} referenced by {referenced}#{property} not yet drawn', {\n element: elementToString(refSemantic),\n referenced: elementToString(semantic),\n property: property\n }));\n}\n\n/**\n * An importer that adds bpmn elements to the canvas\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n * @param {ElementFactory} elementFactory\n * @param {ElementRegistry} elementRegistry\n */\nfunction BpmnImporter(eventBus, canvas, elementFactory, elementRegistry, translate) {\n this._eventBus = eventBus;\n this._canvas = canvas;\n\n this._elementFactory = elementFactory;\n this._elementRegistry = elementRegistry;\n this._translate = translate;\n}\n\nBpmnImporter.$inject = [ 'eventBus', 'canvas', 'elementFactory', 'elementRegistry', 'translate' ];\n\nmodule.exports = BpmnImporter;\n\n\n/**\n * Add bpmn element (semantic) to the canvas onto the\n * specified parent shape.\n */\nBpmnImporter.prototype.add = function(semantic, parentElement) {\n\n var di = semantic.di,\n element,\n translate = this._translate;\n\n // ROOT ELEMENT\n // handle the special case that we deal with a\n // invisible root element (process or collaboration)\n if (is(di, 'bpmndi:BPMNPlane')) {\n\n // add a virtual element (not being drawn)\n element = this._elementFactory.createRoot(elementData(semantic));\n\n this._canvas.setRootElement(element);\n }\n\n // SHAPE\n else if (is(di, 'bpmndi:BPMNShape')) {\n\n var collapsed = !isExpanded(semantic);\n var hidden = parentElement && (parentElement.hidden || parentElement.collapsed);\n\n var bounds = semantic.di.bounds;\n\n element = this._elementFactory.createShape(elementData(semantic, {\n collapsed: collapsed,\n hidden: hidden,\n x: Math.round(bounds.x),\n y: Math.round(bounds.y),\n width: Math.round(bounds.width),\n height: Math.round(bounds.height)\n }));\n\n if (is(semantic, 'bpmn:BoundaryEvent')) {\n this._attachBoundary(semantic, element);\n }\n\n this._canvas.addShape(element, parentElement);\n }\n\n // CONNECTION\n else if (is(di, 'bpmndi:BPMNEdge')) {\n\n var source = this._getSource(semantic),\n target = this._getTarget(semantic);\n\n element = this._elementFactory.createConnection(elementData(semantic, {\n source: source,\n target: target,\n waypoints: collectWaypoints(semantic.di.waypoint)\n }));\n\n this._canvas.addConnection(element, parentElement);\n } else {\n throw new Error(translate('unknown di {di} for element {semantic}', {\n di: elementToString(di),\n semantic: elementToString(semantic)\n }));\n }\n // (optional) LABEL\n if (hasExternalLabel(semantic)) {\n this.addLabel(semantic, element);\n }\n\n\n this._eventBus.fire('bpmnElement.added', { element: element });\n\n return element;\n};\n\n\n/**\n * Attach the boundary element to the given host\n *\n * @param {ModdleElement} boundarySemantic\n * @param {djs.model.Base} boundaryElement\n */\nBpmnImporter.prototype._attachBoundary = function(boundarySemantic, boundaryElement) {\n var translate = this._translate;\n var hostSemantic = boundarySemantic.attachedToRef;\n\n if (!hostSemantic) {\n throw new Error(translate('missing {semantic}#attachedToRef', {\n semantic: elementToString(boundarySemantic)\n }));\n }\n\n var host = this._elementRegistry.get(hostSemantic.id),\n attachers = host && host.attachers;\n\n if (!host) {\n throw notYetDrawn(translate, boundarySemantic, hostSemantic, 'attachedToRef');\n }\n\n // wire element.host <> host.attachers\n boundaryElement.host = host;\n\n if (!attachers) {\n host.attachers = attachers = [];\n }\n\n if (attachers.indexOf(boundaryElement) === -1) {\n attachers.push(boundaryElement);\n }\n};\n\n\n/**\n * add label for an element\n */\nBpmnImporter.prototype.addLabel = function(semantic, element) {\n var bounds = getExternalLabelBounds(semantic, element);\n\n var label = this._elementFactory.createLabel(elementData(semantic, {\n id: semantic.id + '_label',\n labelTarget: element,\n type: 'label',\n hidden: element.hidden || !semantic.name,\n x: Math.round(bounds.x),\n y: Math.round(bounds.y),\n width: Math.round(bounds.width),\n height: Math.round(bounds.height)\n }));\n\n return this._canvas.addShape(label, element.parent);\n};\n\n/**\n * Return the drawn connection end based on the given side.\n *\n * @throws {Error} if the end is not yet drawn\n */\nBpmnImporter.prototype._getEnd = function(semantic, side) {\n\n var element,\n refSemantic,\n type = semantic.$type,\n translate = this._translate;\n\n refSemantic = semantic[side + 'Ref'];\n\n // handle mysterious isMany DataAssociation#sourceRef\n if (side === 'source' && type === 'bpmn:DataInputAssociation') {\n refSemantic = refSemantic && refSemantic[0];\n }\n\n // fix source / target for DataInputAssociation / DataOutputAssociation\n if (side === 'source' && type === 'bpmn:DataOutputAssociation' ||\n side === 'target' && type === 'bpmn:DataInputAssociation') {\n\n refSemantic = semantic.$parent;\n }\n\n element = refSemantic && this._getElement(refSemantic);\n\n if (element) {\n return element;\n }\n\n if (refSemantic) {\n throw notYetDrawn(translate, semantic, refSemantic, side + 'Ref');\n } else {\n throw new Error(translate('{semantic}#{side} Ref not specified', {\n semantic: elementToString(semantic),\n side: side\n }));\n }\n};\n\nBpmnImporter.prototype._getSource = function(semantic) {\n return this._getEnd(semantic, 'source');\n};\n\nBpmnImporter.prototype._getTarget = function(semantic) {\n return this._getEnd(semantic, 'target');\n};\n\n\nBpmnImporter.prototype._getElement = function(semantic) {\n return this._elementRegistry.get(semantic.id);\n};","'use strict';\n\nvar filter = require(253),\n find = require(254),\n forEach = require(255);\n\nvar Refs = require(407);\n\nvar elementToString = require(66).elementToString;\n\nvar diRefs = new Refs({ name: 'bpmnElement', enumerable: true }, { name: 'di' });\n\n/**\n * Returns true if an element has the given meta-model type\n *\n * @param {ModdleElement} element\n * @param {String} type\n *\n * @return {Boolean}\n */\nfunction is(element, type) {\n return element.$instanceOf(type);\n}\n\n\n/**\n * Find a suitable display candidate for definitions where the DI does not\n * correctly specify one.\n */\nfunction findDisplayCandidate(definitions) {\n return find(definitions.rootElements, function(e) {\n return is(e, 'bpmn:Process') || is(e, 'bpmn:Collaboration');\n });\n}\n\n\nfunction BpmnTreeWalker(handler, translate) {\n\n // list of containers already walked\n var handledElements = {};\n\n // list of elements to handle deferred to ensure\n // prerequisites are drawn\n var deferred = [];\n\n ///// Helpers /////////////////////////////////\n\n function contextual(fn, ctx) {\n return function(e) {\n fn(e, ctx);\n };\n }\n\n function handled(element) {\n handledElements[element.id] = element;\n }\n\n function isHandled(element) {\n return handledElements[element.id];\n }\n\n function visit(element, ctx) {\n\n var gfx = element.gfx;\n\n // avoid multiple rendering of elements\n if (gfx) {\n throw new Error(\n translate('already rendered {element}', { element: elementToString(element) })\n );\n }\n\n // call handler\n return handler.element(element, ctx);\n }\n\n function visitRoot(element, diagram) {\n return handler.root(element, diagram);\n }\n\n function visitIfDi(element, ctx) {\n\n try {\n var gfx = element.di && visit(element, ctx);\n\n handled(element);\n\n return gfx;\n } catch (e) {\n logError(e.message, { element: element, error: e });\n\n console.error(translate('failed to import {element}', { element: elementToString(element) }));\n console.error(e);\n }\n }\n\n function logError(message, context) {\n handler.error(message, context);\n }\n\n ////// DI handling ////////////////////////////\n\n function registerDi(di) {\n var bpmnElement = di.bpmnElement;\n\n if (bpmnElement) {\n if (bpmnElement.di) {\n logError(\n translate('multiple DI elements defined for {element}', {\n element: elementToString(bpmnElement)\n }),\n { element: bpmnElement }\n );\n } else {\n diRefs.bind(bpmnElement, 'di');\n bpmnElement.di = di;\n }\n } else {\n logError(\n translate('no bpmnElement referenced in {element}', {\n element: elementToString(di)\n }),\n { element: di }\n );\n }\n }\n\n function handleDiagram(diagram) {\n handlePlane(diagram.plane);\n }\n\n function handlePlane(plane) {\n registerDi(plane);\n\n forEach(plane.planeElement, handlePlaneElement);\n }\n\n function handlePlaneElement(planeElement) {\n registerDi(planeElement);\n }\n\n\n ////// Semantic handling //////////////////////\n\n /**\n * Handle definitions and return the rendered diagram (if any)\n *\n * @param {ModdleElement} definitions to walk and import\n * @param {ModdleElement} [diagram] specific diagram to import and display\n *\n * @throws {Error} if no diagram to display could be found\n */\n function handleDefinitions(definitions, diagram) {\n // make sure we walk the correct bpmnElement\n\n var diagrams = definitions.diagrams;\n\n if (diagram && diagrams.indexOf(diagram) === -1) {\n throw new Error(translate('diagram not part of bpmn:Definitions'));\n }\n\n if (!diagram && diagrams && diagrams.length) {\n diagram = diagrams[0];\n }\n\n // no diagram -> nothing to import\n if (!diagram) {\n throw new Error(translate('no diagram to display'));\n }\n\n // load DI from selected diagram only\n handleDiagram(diagram);\n\n\n var plane = diagram.plane;\n\n if (!plane) {\n throw new Error(translate(\n 'no plane for {element}',\n { element: elementToString(diagram) }\n ));\n }\n\n var rootElement = plane.bpmnElement;\n\n // ensure we default to a suitable display candidate (process or collaboration),\n // even if non is specified in DI\n if (!rootElement) {\n rootElement = findDisplayCandidate(definitions);\n\n if (!rootElement) {\n throw new Error(translate('no process or collaboration to display'));\n } else {\n\n logError(\n translate('correcting missing bpmnElement on {plane} to {rootElement}', {\n plane: elementToString(plane),\n rootElement: elementToString(rootElement)\n })\n );\n\n // correct DI on the fly\n plane.bpmnElement = rootElement;\n registerDi(plane);\n }\n }\n\n\n var ctx = visitRoot(rootElement, plane);\n\n if (is(rootElement, 'bpmn:Process')) {\n handleProcess(rootElement, ctx);\n } else if (is(rootElement, 'bpmn:Collaboration')) {\n handleCollaboration(rootElement, ctx);\n\n // force drawing of everything not yet drawn that is part of the target DI\n handleUnhandledProcesses(definitions.rootElements, ctx);\n } else {\n throw new Error(\n translate('unsupported bpmnElement for {plane}: {rootElement}', {\n plane: elementToString(plane),\n rootElement: elementToString(rootElement)\n })\n );\n }\n\n // handle all deferred elements\n handleDeferred(deferred);\n }\n\n function handleDeferred(deferred) {\n forEach(deferred, function(d) { d(); });\n }\n\n function handleProcess(process, context) {\n handleFlowElementsContainer(process, context);\n handleIoSpecification(process.ioSpecification, context);\n\n handleArtifacts(process.artifacts, context);\n\n // log process handled\n handled(process);\n }\n\n function handleUnhandledProcesses(rootElements) {\n\n // walk through all processes that have not yet been drawn and draw them\n // if they contain lanes with DI information.\n // we do this to pass the free-floating lane test cases in the MIWG test suite\n var processes = filter(rootElements, function(e) {\n return !isHandled(e) && is(e, 'bpmn:Process') && e.laneSets;\n });\n\n processes.forEach(contextual(handleProcess));\n }\n\n function handleMessageFlow(messageFlow, context) {\n visitIfDi(messageFlow, context);\n }\n\n function handleMessageFlows(messageFlows, context) {\n forEach(messageFlows, contextual(handleMessageFlow, context));\n }\n\n function handleDataAssociation(association, context) {\n visitIfDi(association, context);\n }\n\n function handleDataInput(dataInput, context) {\n visitIfDi(dataInput, context);\n }\n\n function handleDataOutput(dataOutput, context) {\n visitIfDi(dataOutput, context);\n }\n\n function handleArtifact(artifact, context) {\n\n // bpmn:TextAnnotation\n // bpmn:Group\n // bpmn:Association\n\n visitIfDi(artifact, context);\n }\n\n function handleArtifacts(artifacts, context) {\n\n forEach(artifacts, function(e) {\n if (is(e, 'bpmn:Association')) {\n deferred.push(function() {\n handleArtifact(e, context);\n });\n } else {\n handleArtifact(e, context);\n }\n });\n }\n\n function handleIoSpecification(ioSpecification, context) {\n\n if (!ioSpecification) {\n return;\n }\n\n forEach(ioSpecification.dataInputs, contextual(handleDataInput, context));\n forEach(ioSpecification.dataOutputs, contextual(handleDataOutput, context));\n }\n\n function handleSubProcess(subProcess, context) {\n handleFlowElementsContainer(subProcess, context);\n handleArtifacts(subProcess.artifacts, context);\n }\n\n function handleFlowNode(flowNode, context) {\n var childCtx = visitIfDi(flowNode, context);\n\n if (is(flowNode, 'bpmn:SubProcess')) {\n handleSubProcess(flowNode, childCtx || context);\n }\n\n if (is(flowNode, 'bpmn:Activity')) {\n handleIoSpecification(flowNode.ioSpecification, context);\n }\n\n // defer handling of associations\n // affected types:\n //\n // * bpmn:Activity\n // * bpmn:ThrowEvent\n // * bpmn:CatchEvent\n //\n deferred.push(function() {\n forEach(flowNode.dataInputAssociations, contextual(handleDataAssociation, context));\n forEach(flowNode.dataOutputAssociations, contextual(handleDataAssociation, context));\n });\n }\n\n function handleSequenceFlow(sequenceFlow, context) {\n visitIfDi(sequenceFlow, context);\n }\n\n function handleDataElement(dataObject, context) {\n visitIfDi(dataObject, context);\n }\n\n function handleBoundaryEvent(dataObject, context) {\n visitIfDi(dataObject, context);\n }\n\n function handleLane(lane, context) {\n var newContext = visitIfDi(lane, context);\n\n if (lane.childLaneSet) {\n handleLaneSet(lane.childLaneSet, newContext || context);\n }\n\n wireFlowNodeRefs(lane);\n }\n\n function handleLaneSet(laneSet, context) {\n forEach(laneSet.lanes, contextual(handleLane, context));\n }\n\n function handleLaneSets(laneSets, context) {\n forEach(laneSets, contextual(handleLaneSet, context));\n }\n\n function handleFlowElementsContainer(container, context) {\n if (container.laneSets) {\n handleLaneSets(container.laneSets, context);\n }\n\n handleFlowElements(container.flowElements, context);\n }\n\n function handleFlowElements(flowElements, context) {\n forEach(flowElements, function(e) {\n if (is(e, 'bpmn:SequenceFlow')) {\n deferred.push(function() {\n handleSequenceFlow(e, context);\n });\n } else if (is(e, 'bpmn:BoundaryEvent')) {\n deferred.unshift(function() {\n handleBoundaryEvent(e, context);\n });\n } else if (is(e, 'bpmn:FlowNode')) {\n handleFlowNode(e, context);\n } else if (is(e, 'bpmn:DataObject')) {\n // SKIP (assume correct referencing via DataObjectReference)\n } else if (is(e, 'bpmn:DataStoreReference')) {\n handleDataElement(e, context);\n } else if (is(e, 'bpmn:DataObjectReference')) {\n handleDataElement(e, context);\n } else {\n logError(\n translate('unrecognized flowElement {element} in context {context}', {\n element: elementToString(e),\n context: (context ? elementToString(context.businessObject) : 'null')\n }),\n { element: e, context: context }\n );\n }\n });\n }\n\n function handleParticipant(participant, context) {\n var newCtx = visitIfDi(participant, context);\n\n var process = participant.processRef;\n if (process) {\n handleProcess(process, newCtx || context);\n }\n }\n\n function handleCollaboration(collaboration) {\n\n forEach(collaboration.participants, contextual(handleParticipant));\n\n handleArtifacts(collaboration.artifacts);\n\n // handle message flows latest in the process\n deferred.push(function() {\n handleMessageFlows(collaboration.messageFlows);\n });\n }\n\n\n function wireFlowNodeRefs(lane) {\n // wire the virtual flowNodeRefs <-> relationship\n forEach(lane.flowNodeRef, function(flowNode) {\n var lanes = flowNode.get('lanes');\n\n if (lanes) {\n lanes.push(lane);\n }\n });\n }\n\n ///// API ////////////////////////////////\n\n return {\n handleDefinitions: handleDefinitions\n };\n}\n\nmodule.exports = BpmnTreeWalker;","'use strict';\n\nvar BpmnTreeWalker = require(64);\n\n\n/**\n * Import the definitions into a diagram.\n *\n * Errors and warnings are reported through the specified callback.\n *\n * @param {Diagram} diagram\n * @param {ModdleElement} definitions\n * @param {Function} done the callback, invoked with (err, [ warning ]) once the import is done\n */\nfunction importBpmnDiagram(diagram, definitions, done) {\n\n var importer = diagram.get('bpmnImporter'),\n eventBus = diagram.get('eventBus'),\n translate = diagram.get('translate');\n\n var error,\n warnings = [];\n\n /**\n * Walk the diagram semantically, importing (=drawing)\n * all elements you encounter.\n *\n * @param {ModdleElement} definitions\n */\n function render(definitions) {\n\n var visitor = {\n\n root: function(element) {\n return importer.add(element);\n },\n\n element: function(element, parentShape) {\n return importer.add(element, parentShape);\n },\n\n error: function(message, context) {\n warnings.push({ message: message, context: context });\n }\n };\n\n var walker = new BpmnTreeWalker(visitor, translate);\n\n // traverse BPMN 2.0 document model,\n // starting at definitions\n walker.handleDefinitions(definitions);\n }\n\n eventBus.fire('import.render.start', { definitions: definitions });\n\n try {\n render(definitions);\n } catch (e) {\n error = e;\n }\n\n eventBus.fire('import.render.complete', {\n error: error,\n warnings: warnings\n });\n\n done(error, warnings);\n}\n\nmodule.exports.importBpmnDiagram = importBpmnDiagram;","'use strict';\n\nmodule.exports.elementToString = function(e) {\n if (!e) {\n return '<null>';\n }\n\n return '<' + e.$type + (e.id ? ' id=\"' + e.id : '') + '\" />';\n};","module.exports = {\n __depends__: [\n require(204)\n ],\n bpmnImporter: [ 'type', require(63) ]\n};","'use strict';\n\nvar is = require(70).is,\n getBusinessObject = require(70).getBusinessObject;\n\nmodule.exports.isExpanded = function(element) {\n\n if (is(element, 'bpmn:CallActivity')) {\n return false;\n }\n\n if (is(element, 'bpmn:SubProcess')) {\n return !!getBusinessObject(element).di.isExpanded;\n }\n\n if (is(element, 'bpmn:Participant')) {\n return !!getBusinessObject(element).processRef;\n }\n\n return true;\n};\n\nmodule.exports.isInterrupting = function(element) {\n return element && getBusinessObject(element).isInterrupting !== false;\n};\n\nmodule.exports.isEventSubProcess = function(element) {\n return element && !!getBusinessObject(element).triggeredByEvent;\n};\n","'use strict';\n\nvar assign = require(377);\n\nvar is = require(70).is;\n\nvar DEFAULT_LABEL_SIZE = module.exports.DEFAULT_LABEL_SIZE = {\n width: 90,\n height: 20\n};\n\n\n/**\n * Returns true if the given semantic has an external label\n *\n * @param {BpmnElement} semantic\n * @return {Boolean} true if has label\n */\nmodule.exports.hasExternalLabel = function(semantic) {\n return is(semantic, 'bpmn:Event') ||\n is(semantic, 'bpmn:Gateway') ||\n is(semantic, 'bpmn:DataStoreReference') ||\n is(semantic, 'bpmn:DataObjectReference') ||\n is(semantic, 'bpmn:SequenceFlow') ||\n is(semantic, 'bpmn:MessageFlow');\n};\n\n\n/**\n * Get the middle of a number of waypoints\n *\n * @param {Array<Point>} waypoints\n * @return {Point} the mid point\n */\nfunction getWaypointsMid(waypoints) {\n\n var mid = waypoints.length / 2 - 1;\n\n var first = waypoints[Math.floor(mid)];\n var second = waypoints[Math.ceil(mid + 0.01)];\n\n return {\n x: first.x + (second.x - first.x) / 2,\n y: first.y + (second.y - first.y) / 2\n };\n}\n\nmodule.exports.getWaypointsMid = getWaypointsMid;\n\n\nfunction getExternalLabelMid(element) {\n\n if (element.waypoints) {\n return getWaypointsMid(element.waypoints);\n } else {\n return {\n x: element.x + element.width / 2,\n y: element.y + element.height + DEFAULT_LABEL_SIZE.height / 2\n };\n }\n}\n\nmodule.exports.getExternalLabelMid = getExternalLabelMid;\n\n\n/**\n * Returns the bounds of an elements label, parsed from the elements DI or\n * generated from its bounds.\n *\n * @param {BpmnElement} semantic\n * @param {djs.model.Base} element\n */\nmodule.exports.getExternalLabelBounds = function(semantic, element) {\n\n var mid,\n size,\n bounds,\n di = semantic.di,\n label = di.label;\n\n if (label && label.bounds) {\n bounds = label.bounds;\n\n size = {\n width: Math.max(DEFAULT_LABEL_SIZE.width, bounds.width),\n height: bounds.height\n };\n\n mid = {\n x: bounds.x + bounds.width / 2,\n y: bounds.y + bounds.height / 2\n };\n } else {\n\n mid = getExternalLabelMid(element);\n\n size = DEFAULT_LABEL_SIZE;\n }\n\n return assign({\n x: mid.x - size.width / 2,\n y: mid.y - size.height / 2\n }, size);\n};\n","'use strict';\n\n/**\n * Is an element of the given BPMN type?\n *\n * @param {djs.model.Base|ModdleElement} element\n * @param {String} type\n *\n * @return {Boolean}\n */\nfunction is(element, type) {\n var bo = getBusinessObject(element);\n\n return bo && (typeof bo.$instanceOf === 'function') && bo.$instanceOf(type);\n}\n\nmodule.exports.is = is;\n\n\n/**\n * Return the business object for a given element.\n *\n * @param {djs.model.Base|ModdleElement} element\n *\n * @return {ModdleElement}\n */\nfunction getBusinessObject(element) {\n return (element && element.businessObject) || element;\n}\n\nmodule.exports.getBusinessObject = getBusinessObject;\n","/**\n * This file must not be changed or exchanged.\n *\n * @see http://bpmn.io/license for more information.\n */\n\n'use strict';\n\nvar domify = require(394);\n\nvar domDelegate = require(393);\n\n/* jshint -W101 */\n\n// inlined ../resources/bpmnjs.png\nvar logoData = module.exports.BPMNIO_LOGO = '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';\n\n/* jshint +W101 */\n\n\nfunction css(attrs) {\n return attrs.join(';');\n}\n\nvar LIGHTBOX_STYLES = css([\n 'z-index: 1001',\n 'position: fixed',\n 'top: 0',\n 'left: 0',\n 'right: 0',\n 'bottom: 0'\n]);\n\nvar BACKDROP_STYLES = css([\n 'width: 100%',\n 'height: 100%',\n 'background: rgba(0,0,0,0.2)'\n]);\n\nvar NOTICE_STYLES = css([\n 'position: absolute',\n 'left: 50%',\n 'top: 40%',\n 'margin: 0 -130px',\n 'width: 260px',\n 'padding: 10px',\n 'background: white',\n 'border: solid 1px #AAA',\n 'border-radius: 3px',\n 'font-family: Helvetica, Arial, sans-serif',\n 'font-size: 14px',\n 'line-height: 1.2em'\n]);\n\nvar LIGHTBOX_MARKUP =\n '<div class=\"bjs-powered-by-lightbox\" style=\"' + LIGHTBOX_STYLES + '\">' +\n '<div class=\"backdrop\" style=\"' + BACKDROP_STYLES + '\"></div>' +\n '<div class=\"notice\" style=\"' + NOTICE_STYLES + '\">' +\n '<a href=\"http://bpmn.io\" target=\"_blank\" style=\"float: left; margin-right: 10px\">' +\n '<img src=\"data:image/png;base64,'+ logoData +'\">' +\n '</a>' +\n 'Web-based tooling for BPMN, DMN and CMMN diagrams ' +\n 'powered by <a href=\"http://bpmn.io\" target=\"_blank\">bpmn.io</a>.' +\n '</div>' +\n '</div>';\n\n\nvar lightbox;\n\nfunction open() {\n\n if (!lightbox) {\n lightbox = domify(LIGHTBOX_MARKUP);\n\n domDelegate.bind(lightbox, '.backdrop', 'click', function(event) {\n document.body.removeChild(lightbox);\n });\n }\n\n document.body.appendChild(lightbox);\n}\n\nmodule.exports.open = open;","module.exports = require(74);","'use strict';\n\nvar isString = require(374),\n isFunction = require(369),\n assign = require(377);\n\nvar Moddle = require(80),\n XmlReader = require(76),\n XmlWriter = require(77);\n\n/**\n * A sub class of {@link Moddle} with support for import and export of BPMN 2.0 xml files.\n *\n * @class BpmnModdle\n * @extends Moddle\n *\n * @param {Object|Array} packages to use for instantiating the model\n * @param {Object} [options] additional options to pass over\n */\nfunction BpmnModdle(packages, options) {\n Moddle.call(this, packages, options);\n}\n\nBpmnModdle.prototype = Object.create(Moddle.prototype);\n\nmodule.exports = BpmnModdle;\n\n\n/**\n * Instantiates a BPMN model tree from a given xml string.\n *\n * @param {String} xmlStr\n * @param {String} [typeName='bpmn:Definitions'] name of the root element\n * @param {Object} [options] options to pass to the underlying reader\n * @param {Function} done callback that is invoked with (err, result, parseContext)\n * once the import completes\n */\nBpmnModdle.prototype.fromXML = function(xmlStr, typeName, options, done) {\n\n if (!isString(typeName)) {\n done = options;\n options = typeName;\n typeName = 'bpmn:Definitions';\n }\n\n if (isFunction(options)) {\n done = options;\n options = {};\n }\n\n var reader = new XmlReader(assign({ model: this, lax: true }, options));\n var rootHandler = reader.handler(typeName);\n\n reader.fromXML(xmlStr, rootHandler, done);\n};\n\n\n/**\n * Serializes a BPMN 2.0 object tree to XML.\n *\n * @param {String} element the root element, typically an instance of `bpmn:Definitions`\n * @param {Object} [options] to pass to the underlying writer\n * @param {Function} done callback invoked with (err, xmlStr) once the import completes\n */\nBpmnModdle.prototype.toXML = function(element, options, done) {\n\n if (isFunction(options)) {\n done = options;\n options = {};\n }\n\n var writer = new XmlWriter(options);\n try {\n var result = writer.toXML(element);\n done(null, result);\n } catch (e) {\n done(e);\n }\n};\n","'use strict';\n\nvar assign = require(377);\n\nvar BpmnModdle = require(73);\n\nvar packages = {\n bpmn: require(89),\n bpmndi: require(90),\n dc: require(91),\n di: require(92)\n};\n\nmodule.exports = function(additionalPackages, options) {\n return new BpmnModdle(assign({}, packages, additionalPackages), options);\n};","'use strict';\n\nfunction capitalize(string) {\n return string.charAt(0).toUpperCase() + string.slice(1);\n}\n\nfunction lower(string) {\n return string.charAt(0).toLowerCase() + string.slice(1);\n}\n\nfunction hasLowerCaseAlias(pkg) {\n return pkg.xml && pkg.xml.tagAlias === 'lowerCase';\n}\n\n\nmodule.exports.aliasToName = function(alias, pkg) {\n if (hasLowerCaseAlias(pkg)) {\n return capitalize(alias);\n } else {\n return alias;\n }\n};\n\nmodule.exports.nameToAlias = function(name, pkg) {\n if (hasLowerCaseAlias(pkg)) {\n return lower(name);\n } else {\n return name;\n }\n};\n\nmodule.exports.DEFAULT_NS_MAP = {\n 'xsi': 'http://www.w3.org/2001/XMLSchema-instance'\n};\n\nvar XSI_TYPE = module.exports.XSI_TYPE = 'xsi:type';\n\nfunction serializeFormat(element) {\n return element.xml && element.xml.serialize;\n}\n\nmodule.exports.serializeAsType = function(element) {\n return serializeFormat(element) === XSI_TYPE;\n};\n\nmodule.exports.serializeAsProperty = function(element) {\n return serializeFormat(element) === 'property';\n};","'use strict';\n\nvar reduce = require(259),\n forEach = require(255),\n find = require(254),\n assign = require(377),\n defer = require(266);\n\nvar Stack = require(79),\n SaxParser = require(78).parser,\n Moddle = require(80),\n parseNameNs = require(85).parseName,\n Types = require(88),\n coerceType = Types.coerceType,\n isSimpleType = Types.isSimple,\n common = require(75),\n XSI_TYPE = common.XSI_TYPE,\n XSI_URI = common.DEFAULT_NS_MAP.xsi,\n serializeAsType = common.serializeAsType,\n aliasToName = common.aliasToName;\n\nfunction parseNodeAttributes(node) {\n var nodeAttrs = node.attributes;\n\n return reduce(nodeAttrs, function(result, v, k) {\n var name, ns;\n\n if (!v.local) {\n name = v.prefix;\n } else {\n ns = parseNameNs(v.name, v.prefix);\n name = ns.name;\n }\n\n result[name] = v.value;\n return result;\n }, {});\n}\n\nfunction normalizeType(node, attr, model) {\n var nameNs = parseNameNs(attr.value);\n\n var uri = node.ns[nameNs.prefix || ''],\n localName = nameNs.localName,\n pkg = uri && model.getPackage(uri),\n typePrefix;\n\n if (pkg) {\n typePrefix = pkg.xml && pkg.xml.typePrefix;\n\n if (typePrefix && localName.indexOf(typePrefix) === 0) {\n localName = localName.slice(typePrefix.length);\n }\n\n attr.value = pkg.prefix + ':' + localName;\n }\n}\n\n/**\n * Normalizes namespaces for a node given an optional default namespace and a\n * number of mappings from uris to default prefixes.\n *\n * @param {XmlNode} node\n * @param {Model} model the model containing all registered namespaces\n * @param {Uri} defaultNsUri\n */\nfunction normalizeNamespaces(node, model, defaultNsUri) {\n var uri, prefix;\n\n uri = node.uri || defaultNsUri;\n\n if (uri) {\n var pkg = model.getPackage(uri);\n\n if (pkg) {\n prefix = pkg.prefix;\n } else {\n prefix = node.prefix;\n }\n\n node.prefix = prefix;\n node.uri = uri;\n }\n\n forEach(node.attributes, function(attr) {\n\n // normalize xsi:type attributes because the\n // assigned type may or may not be namespace prefixed\n if (attr.uri === XSI_URI && attr.local === 'type') {\n normalizeType(node, attr, model);\n }\n\n normalizeNamespaces(attr, model, null);\n });\n}\n\n\nfunction error(message) {\n return new Error(message);\n}\n\n/**\n * Get the moddle descriptor for a given instance or type.\n *\n * @param {ModdleElement|Function} element\n *\n * @return {Object} the moddle descriptor\n */\nfunction getModdleDescriptor(element) {\n return element.$descriptor;\n}\n\n/**\n * A parse context.\n *\n * @class\n *\n * @param {Object} options\n * @param {ElementHandler} options.rootHandler the root handler for parsing a document\n * @param {boolean} [options.lax=false] whether or not to ignore invalid elements\n */\nfunction Context(options) {\n\n /**\n * @property {ElementHandler} rootHandler\n */\n\n /**\n * @property {Boolean} lax\n */\n\n assign(this, options);\n\n this.elementsById = {};\n this.references = [];\n this.warnings = [];\n\n /**\n * Add an unresolved reference.\n *\n * @param {Object} reference\n */\n this.addReference = function(reference) {\n this.references.push(reference);\n };\n\n /**\n * Add a processed element.\n *\n * @param {ModdleElement} element\n */\n this.addElement = function(element) {\n\n if (!element) {\n throw error('expected element');\n }\n\n var descriptor = getModdleDescriptor(element);\n\n var idProperty = descriptor.idProperty,\n id;\n\n if (idProperty) {\n id = element.get(idProperty.name);\n\n if (id) {\n this.elementsById[id] = element;\n }\n }\n };\n\n /**\n * Add an import warning.\n *\n * @param {Object} warning\n * @param {String} warning.message\n * @param {Error} [warning.error]\n */\n this.addWarning = function(warning) {\n this.warnings.push(warning);\n };\n}\n\nfunction BaseHandler() {}\n\nBaseHandler.prototype.handleEnd = function() {};\nBaseHandler.prototype.handleText = function() {};\nBaseHandler.prototype.handleNode = function() {};\n\n\n/**\n * A simple pass through handler that does nothing except for\n * ignoring all input it receives.\n *\n * This is used to ignore unknown elements and\n * attributes.\n */\nfunction NoopHandler() { }\n\nNoopHandler.prototype = new BaseHandler();\n\nNoopHandler.prototype.handleNode = function() {\n return this;\n};\n\nfunction BodyHandler() {}\n\nBodyHandler.prototype = new BaseHandler();\n\nBodyHandler.prototype.handleText = function(text) {\n this.body = (this.body || '') + text;\n};\n\nfunction ReferenceHandler(property, context) {\n this.property = property;\n this.context = context;\n}\n\nReferenceHandler.prototype = new BodyHandler();\n\nReferenceHandler.prototype.handleNode = function(node) {\n\n if (this.element) {\n throw error('expected no sub nodes');\n } else {\n this.element = this.createReference(node);\n }\n\n return this;\n};\n\nReferenceHandler.prototype.handleEnd = function() {\n this.element.id = this.body;\n};\n\nReferenceHandler.prototype.createReference = function(node) {\n return {\n property: this.property.ns.name,\n id: ''\n };\n};\n\nfunction ValueHandler(propertyDesc, element) {\n this.element = element;\n this.propertyDesc = propertyDesc;\n}\n\nValueHandler.prototype = new BodyHandler();\n\nValueHandler.prototype.handleEnd = function() {\n\n var value = this.body,\n element = this.element,\n propertyDesc = this.propertyDesc;\n\n value = coerceType(propertyDesc.type, value);\n\n if (propertyDesc.isMany) {\n element.get(propertyDesc.name).push(value);\n } else {\n element.set(propertyDesc.name, value);\n }\n};\n\n\nfunction BaseElementHandler() {}\n\nBaseElementHandler.prototype = Object.create(BodyHandler.prototype);\n\nBaseElementHandler.prototype.handleNode = function(node) {\n var parser = this,\n element = this.element;\n\n if (!element) {\n element = this.element = this.createElement(node);\n\n this.context.addElement(element);\n } else {\n parser = this.handleChild(node);\n }\n\n return parser;\n};\n\n/**\n * @class XMLReader.ElementHandler\n *\n */\nfunction ElementHandler(model, type, context) {\n this.model = model;\n this.type = model.getType(type);\n this.context = context;\n}\n\nElementHandler.prototype = new BaseElementHandler();\n\nElementHandler.prototype.addReference = function(reference) {\n this.context.addReference(reference);\n};\n\nElementHandler.prototype.handleEnd = function() {\n\n var value = this.body,\n element = this.element,\n descriptor = getModdleDescriptor(element),\n bodyProperty = descriptor.bodyProperty;\n\n if (bodyProperty && value !== undefined) {\n value = coerceType(bodyProperty.type, value);\n element.set(bodyProperty.name, value);\n }\n};\n\n/**\n * Create an instance of the model from the given node.\n *\n * @param {Element} node the xml node\n */\nElementHandler.prototype.createElement = function(node) {\n var attributes = parseNodeAttributes(node),\n Type = this.type,\n descriptor = getModdleDescriptor(Type),\n context = this.context,\n instance = new Type({});\n\n forEach(attributes, function(value, name) {\n\n var prop = descriptor.propertiesByName[name],\n values;\n\n if (prop && prop.isReference) {\n\n if (!prop.isMany) {\n context.addReference({\n element: instance,\n property: prop.ns.name,\n id: value\n });\n } else {\n // IDREFS: parse references as whitespace-separated list\n values = value.split(' ');\n\n forEach(values, function(v) {\n context.addReference({\n element: instance,\n property: prop.ns.name,\n id: v\n });\n });\n }\n\n } else {\n if (prop) {\n value = coerceType(prop.type, value);\n }\n\n instance.set(name, value);\n }\n });\n\n return instance;\n};\n\nElementHandler.prototype.getPropertyForNode = function(node) {\n\n var nameNs = parseNameNs(node.local, node.prefix);\n\n var type = this.type,\n model = this.model,\n descriptor = getModdleDescriptor(type);\n\n var propertyName = nameNs.name,\n property = descriptor.propertiesByName[propertyName],\n elementTypeName,\n elementType,\n typeAnnotation;\n\n // search for properties by name first\n\n if (property) {\n\n if (serializeAsType(property)) {\n typeAnnotation = node.attributes[XSI_TYPE];\n\n // xsi type is optional, if it does not exists the\n // default type is assumed\n if (typeAnnotation) {\n\n elementTypeName = typeAnnotation.value;\n\n // TODO: extract real name from attribute\n elementType = model.getType(elementTypeName);\n\n return assign({}, property, { effectiveType: getModdleDescriptor(elementType).name });\n }\n }\n\n // search for properties by name first\n return property;\n }\n\n\n var pkg = model.getPackage(nameNs.prefix);\n\n if (pkg) {\n elementTypeName = nameNs.prefix + ':' + aliasToName(nameNs.localName, descriptor.$pkg);\n elementType = model.getType(elementTypeName);\n\n // search for collection members later\n property = find(descriptor.properties, function(p) {\n return !p.isVirtual && !p.isReference && !p.isAttribute && elementType.hasType(p.type);\n });\n\n if (property) {\n return assign({}, property, { effectiveType: getModdleDescriptor(elementType).name });\n }\n } else {\n // parse unknown element (maybe extension)\n property = find(descriptor.properties, function(p) {\n return !p.isReference && !p.isAttribute && p.type === 'Element';\n });\n\n if (property) {\n return property;\n }\n }\n\n throw error('unrecognized element <' + nameNs.name + '>');\n};\n\nElementHandler.prototype.toString = function() {\n return 'ElementDescriptor[' + getModdleDescriptor(this.type).name + ']';\n};\n\nElementHandler.prototype.valueHandler = function(propertyDesc, element) {\n return new ValueHandler(propertyDesc, element);\n};\n\nElementHandler.prototype.referenceHandler = function(propertyDesc) {\n return new ReferenceHandler(propertyDesc, this.context);\n};\n\nElementHandler.prototype.handler = function(type) {\n if (type === 'Element') {\n return new GenericElementHandler(this.model, type, this.context);\n } else {\n return new ElementHandler(this.model, type, this.context);\n }\n};\n\n/**\n * Handle the child element parsing\n *\n * @param {Element} node the xml node\n */\nElementHandler.prototype.handleChild = function(node) {\n var propertyDesc, type, element, childHandler;\n\n propertyDesc = this.getPropertyForNode(node);\n element = this.element;\n\n type = propertyDesc.effectiveType || propertyDesc.type;\n\n if (isSimpleType(type)) {\n return this.valueHandler(propertyDesc, element);\n }\n\n if (propertyDesc.isReference) {\n childHandler = this.referenceHandler(propertyDesc).handleNode(node);\n } else {\n childHandler = this.handler(type).handleNode(node);\n }\n\n var newElement = childHandler.element;\n\n // child handles may decide to skip elements\n // by not returning anything\n if (newElement !== undefined) {\n\n if (propertyDesc.isMany) {\n element.get(propertyDesc.name).push(newElement);\n } else {\n element.set(propertyDesc.name, newElement);\n }\n\n if (propertyDesc.isReference) {\n assign(newElement, {\n element: element\n });\n\n this.context.addReference(newElement);\n } else {\n // establish child -> parent relationship\n newElement.$parent = element;\n }\n }\n\n return childHandler;\n};\n\n\nfunction GenericElementHandler(model, type, context) {\n this.model = model;\n this.context = context;\n}\n\nGenericElementHandler.prototype = Object.create(BaseElementHandler.prototype);\n\nGenericElementHandler.prototype.createElement = function(node) {\n\n var name = node.name,\n prefix = node.prefix,\n uri = node.ns[prefix],\n attributes = node.attributes;\n\n return this.model.createAny(name, uri, attributes);\n};\n\nGenericElementHandler.prototype.handleChild = function(node) {\n\n var handler = new GenericElementHandler(this.model, 'Element', this.context).handleNode(node),\n element = this.element;\n\n var newElement = handler.element,\n children;\n\n if (newElement !== undefined) {\n children = element.$children = element.$children || [];\n children.push(newElement);\n\n // establish child -> parent relationship\n newElement.$parent = element;\n }\n\n return handler;\n};\n\nGenericElementHandler.prototype.handleText = function(text) {\n this.body = this.body || '' + text;\n};\n\nGenericElementHandler.prototype.handleEnd = function() {\n if (this.body) {\n this.element.$body = this.body;\n }\n};\n\n/**\n * A reader for a meta-model\n *\n * @param {Object} options\n * @param {Model} options.model used to read xml files\n * @param {Boolean} options.lax whether to make parse errors warnings\n */\nfunction XMLReader(options) {\n\n if (options instanceof Moddle) {\n options = {\n model: options\n };\n }\n\n assign(this, { lax: false }, options);\n}\n\n\n/**\n * Parse the given XML into a moddle document tree.\n *\n * @param {String} xml\n * @param {ElementHandler|Object} options or rootHandler\n * @param {Function} done\n */\nXMLReader.prototype.fromXML = function(xml, options, done) {\n\n var rootHandler = options.rootHandler;\n\n if (options instanceof ElementHandler) {\n // root handler passed via (xml, { rootHandler: ElementHandler }, ...)\n rootHandler = options;\n options = {};\n } else {\n if (typeof options === 'string') {\n // rootHandler passed via (xml, 'someString', ...)\n rootHandler = this.handler(options);\n options = {};\n } else if (typeof rootHandler === 'string') {\n // rootHandler passed via (xml, { rootHandler: 'someString' }, ...)\n rootHandler = this.handler(rootHandler);\n }\n }\n\n var model = this.model,\n lax = this.lax;\n\n var context = new Context(assign({}, options, { rootHandler: rootHandler })),\n parser = new SaxParser(true, { xmlns: true, trim: true }),\n stack = new Stack();\n\n rootHandler.context = context;\n\n // push root handler\n stack.push(rootHandler);\n\n\n function resolveReferences() {\n\n var elementsById = context.elementsById;\n var references = context.references;\n\n var i, r;\n\n for (i = 0; !!(r = references[i]); i++) {\n var element = r.element;\n var reference = elementsById[r.id];\n var property = getModdleDescriptor(element).propertiesByName[r.property];\n\n if (!reference) {\n context.addWarning({\n message: 'unresolved reference <' + r.id + '>',\n element: r.element,\n property: r.property,\n value: r.id\n });\n }\n\n if (property.isMany) {\n var collection = element.get(property.name),\n idx = collection.indexOf(r);\n\n // we replace an existing place holder (idx != -1) or\n // append to the collection instead\n if (idx === -1) {\n idx = collection.length;\n }\n\n if (!reference) {\n // remove unresolvable reference\n collection.splice(idx, 1);\n } else {\n // add or update reference in collection\n collection[idx] = reference;\n }\n } else {\n element.set(property.name, reference);\n }\n }\n }\n\n function handleClose(tagName) {\n stack.pop().handleEnd();\n }\n\n function handleOpen(node) {\n var handler = stack.peek();\n\n normalizeNamespaces(node, model);\n\n try {\n stack.push(handler.handleNode(node));\n } catch (e) {\n\n var line = this.line,\n column = this.column;\n\n var message =\n 'unparsable content <' + node.name + '> detected/n/t' +\n 'line: ' + line + '/n/t' +\n 'column: ' + column + '/n/t' +\n 'nested error: ' + e.message;\n\n if (lax) {\n context.addWarning({\n message: message,\n error: e\n });\n\n console.warn('could not parse node');\n console.warn(e);\n\n stack.push(new NoopHandler());\n } else {\n console.error('could not parse document');\n console.error(e);\n\n throw error(message);\n }\n }\n }\n\n function handleText(text) {\n stack.peek().handleText(text);\n }\n\n parser.onopentag = handleOpen;\n parser.oncdata = parser.ontext = handleText;\n parser.onclosetag = handleClose;\n parser.onend = resolveReferences;\n\n // deferred parse XML to make loading really ascnchronous\n // this ensures the execution environment (node or browser)\n // is kept responsive and that certain optimization strategies\n // can kick in\n defer(function() {\n var error;\n\n try {\n parser.write(xml).close();\n } catch (e) {\n error = e;\n }\n\n done(error, error ? undefined : rootHandler.element, context);\n });\n};\n\nXMLReader.prototype.handler = function(name) {\n return new ElementHandler(this.model, name);\n};\n\nmodule.exports = XMLReader;\nmodule.exports.ElementHandler = ElementHandler;","'use strict';\n\nvar map = require(258),\n forEach = require(255),\n isString = require(374),\n filter = require(253),\n assign = require(377);\n\nvar Types = require(88),\n parseNameNs = require(85).parseName,\n common = require(75),\n nameToAlias = common.nameToAlias,\n serializeAsType = common.serializeAsType,\n serializeAsProperty = common.serializeAsProperty;\n\nvar XML_PREAMBLE = '<?xml version=\"1.0\" encoding=\"UTF-8\"?>/n',\n ESCAPE_CHARS = /(<|>|'|\"|&|/n/r|/n)/g,\n DEFAULT_NS_MAP = common.DEFAULT_NS_MAP,\n XSI_TYPE = common.XSI_TYPE;\n\n\nfunction nsName(ns) {\n if (isString(ns)) {\n return ns;\n } else {\n return (ns.prefix ? ns.prefix + ':' : '') + ns.localName;\n }\n}\n\nfunction getNsAttrs(namespaces) {\n\n function isUsed(ns) {\n return namespaces.used[ns.uri];\n }\n\n function toAttr(ns) {\n var name = 'xmlns' + (ns.prefix ? ':' + ns.prefix : '');\n return { name: name, value: ns.uri };\n }\n\n var allNs = [].concat(namespaces.wellknown, namespaces.custom);\n\n return map(filter(allNs, isUsed), toAttr);\n}\n\nfunction getElementNs(ns, descriptor) {\n if (descriptor.isGeneric) {\n return descriptor.name;\n } else {\n return assign({ localName: nameToAlias(descriptor.ns.localName, descriptor.$pkg) }, ns);\n }\n}\n\nfunction getPropertyNs(ns, descriptor) {\n return assign({ localName: descriptor.ns.localName }, ns);\n}\n\nfunction getSerializableProperties(element) {\n var descriptor = element.$descriptor;\n\n return filter(descriptor.properties, function(p) {\n var name = p.name;\n\n if (p.isVirtual) {\n return false;\n }\n\n // do not serialize defaults\n if (!element.hasOwnProperty(name)) {\n return false;\n }\n\n var value = element[name];\n\n // do not serialize default equals\n if (value === p.default) {\n return false;\n }\n\n return p.isMany ? value.length : true;\n });\n}\n\nvar ESCAPE_MAP = {\n '/n': '10',\n '/n/r': '10',\n '\"': '34',\n '/'': '39',\n '<': '60',\n '>': '62',\n '&': '38'\n};\n\n/**\n * Escape a string attribute to not contain any bad values (line breaks, '\"', ...)\n *\n * @param {String} str the string to escape\n * @return {String} the escaped string\n */\nfunction escapeAttr(str) {\n\n // ensure we are handling strings here\n str = isString(str) ? str : '' + str;\n\n return str.replace(ESCAPE_CHARS, function(str) {\n return '&#' + ESCAPE_MAP[str] + ';';\n });\n}\n\nfunction filterAttributes(props) {\n return filter(props, function(p) { return p.isAttr; });\n}\n\nfunction filterContained(props) {\n return filter(props, function(p) { return !p.isAttr; });\n}\n\n\nfunction ReferenceSerializer(parent, ns) {\n this.ns = ns;\n}\n\nReferenceSerializer.prototype.build = function(element) {\n this.element = element;\n return this;\n};\n\nReferenceSerializer.prototype.serializeTo = function(writer) {\n writer\n .appendIndent()\n .append('<' + nsName(this.ns) + '>' + this.element.id + '</' + nsName(this.ns) + '>')\n .appendNewLine();\n};\n\nfunction BodySerializer() {}\n\nBodySerializer.prototype.serializeValue = BodySerializer.prototype.serializeTo = function(writer) {\n var escape = this.escape;\n\n if (escape) {\n writer.append('<![CDATA[');\n }\n\n writer.append(this.value);\n\n if (escape) {\n writer.append(']]>');\n }\n};\n\nBodySerializer.prototype.build = function(prop, value) {\n this.value = value;\n\n if (prop.type === 'String' && value.search(ESCAPE_CHARS) !== -1) {\n this.escape = true;\n }\n\n return this;\n};\n\nfunction ValueSerializer(ns) {\n this.ns = ns;\n}\n\nValueSerializer.prototype = new BodySerializer();\n\nValueSerializer.prototype.serializeTo = function(writer) {\n\n writer\n .appendIndent()\n .append('<' + nsName(this.ns) + '>');\n\n this.serializeValue(writer);\n\n writer\n .append( '</' + nsName(this.ns) + '>')\n .appendNewLine();\n};\n\nfunction ElementSerializer(parent, ns) {\n this.body = [];\n this.attrs = [];\n\n this.parent = parent;\n this.ns = ns;\n}\n\nElementSerializer.prototype.build = function(element) {\n this.element = element;\n\n var otherAttrs = this.parseNsAttributes(element);\n\n if (!this.ns) {\n this.ns = this.nsTagName(element.$descriptor);\n }\n\n if (element.$descriptor.isGeneric) {\n this.parseGeneric(element);\n } else {\n var properties = getSerializableProperties(element);\n\n this.parseAttributes(filterAttributes(properties));\n this.parseContainments(filterContained(properties));\n\n this.parseGenericAttributes(element, otherAttrs);\n }\n\n return this;\n};\n\nElementSerializer.prototype.nsTagName = function(descriptor) {\n var effectiveNs = this.logNamespaceUsed(descriptor.ns);\n return getElementNs(effectiveNs, descriptor);\n};\n\nElementSerializer.prototype.nsPropertyTagName = function(descriptor) {\n var effectiveNs = this.logNamespaceUsed(descriptor.ns);\n return getPropertyNs(effectiveNs, descriptor);\n};\n\nElementSerializer.prototype.isLocalNs = function(ns) {\n return ns.uri === this.ns.uri;\n};\n\n/**\n * Get the actual ns attribute name for the given element.\n *\n * @param {Object} element\n * @param {Boolean} [inherited=false]\n *\n * @return {Object} nsName\n */\nElementSerializer.prototype.nsAttributeName = function(element) {\n\n var ns;\n\n if (isString(element)) {\n ns = parseNameNs(element);\n } else {\n ns = element.ns;\n }\n\n // return just local name for inherited attributes\n if (element.inherited) {\n return { localName: ns.localName };\n }\n\n // parse + log effective ns\n var effectiveNs = this.logNamespaceUsed(ns);\n\n // strip prefix if same namespace like parent\n if (this.isLocalNs(effectiveNs)) {\n return { localName: ns.localName };\n } else {\n return assign({ localName: ns.localName }, effectiveNs);\n }\n};\n\nElementSerializer.prototype.parseGeneric = function(element) {\n\n var self = this,\n body = this.body,\n attrs = this.attrs;\n\n forEach(element, function(val, key) {\n\n if (key === '$body') {\n body.push(new BodySerializer().build({ type: 'String' }, val));\n } else\n if (key === '$children') {\n forEach(val, function(child) {\n body.push(new ElementSerializer(self).build(child));\n });\n } else\n if (key.indexOf('$') !== 0) {\n attrs.push({ name: key, value: escapeAttr(val) });\n }\n });\n};\n\n/**\n * Parse namespaces and return a list of left over generic attributes\n *\n * @param {Object} element\n * @return {Array<Object>}\n */\nElementSerializer.prototype.parseNsAttributes = function(element) {\n var self = this;\n\n var genericAttrs = element.$attrs;\n\n var model = element.$model;\n\n var attributes = [];\n\n // parse namespace attributes first\n // and log them. push non namespace attributes to a list\n // and process them later\n forEach(genericAttrs, function(value, name) {\n var nameNs = parseNameNs(name);\n\n var ns;\n\n // parse xmlns:foo=\"http://foo.bar\"\n if (nameNs.prefix === 'xmlns') {\n ns = { prefix: nameNs.localName, uri: value };\n }\n\n // parse xmlns=\"http://foo.bar\"\n if (!nameNs.prefix && nameNs.localName === 'xmlns') {\n ns = { uri: value };\n }\n\n if (ns) {\n if (model.getPackage(value)) {\n // register well known namespace\n self.logNamespace(ns, true);\n } else {\n // log custom namespace directly as used\n self.logNamespaceUsed(ns);\n }\n } else {\n attributes.push({ name: name, value: value });\n }\n });\n\n return attributes;\n};\n\nElementSerializer.prototype.parseGenericAttributes = function(element, attributes) {\n\n var self = this;\n\n forEach(attributes, function(attr) {\n\n // do not serialize xsi:type attribute\n // it is set manually based on the actual implementation type\n if (attr.name === XSI_TYPE) {\n return;\n }\n\n try {\n self.addAttribute(self.nsAttributeName(attr.name), attr.value);\n } catch (e) {\n console.warn(\n 'missing namespace information for ',\n attr.name, '=', attr.value, 'on', element,\n e);\n }\n });\n};\n\nElementSerializer.prototype.parseContainments = function(properties) {\n\n var self = this,\n body = this.body,\n element = this.element;\n\n forEach(properties, function(p) {\n var value = element.get(p.name),\n isReference = p.isReference,\n isMany = p.isMany;\n\n var ns = self.nsPropertyTagName(p);\n\n if (!isMany) {\n value = [ value ];\n }\n\n if (p.isBody) {\n body.push(new BodySerializer().build(p, value[0]));\n } else\n if (Types.isSimple(p.type)) {\n forEach(value, function(v) {\n body.push(new ValueSerializer(ns).build(p, v));\n });\n } else\n if (isReference) {\n forEach(value, function(v) {\n body.push(new ReferenceSerializer(self, ns).build(v));\n });\n } else {\n // allow serialization via type\n // rather than element name\n var asType = serializeAsType(p),\n asProperty = serializeAsProperty(p);\n\n forEach(value, function(v) {\n var serializer;\n\n if (asType) {\n serializer = new TypeSerializer(self, ns);\n } else\n if (asProperty) {\n serializer = new ElementSerializer(self, ns);\n } else {\n serializer = new ElementSerializer(self);\n }\n\n body.push(serializer.build(v));\n });\n }\n });\n};\n\nElementSerializer.prototype.getNamespaces = function() {\n\n var namespaces = this.namespaces,\n parent = this.parent;\n\n if (!namespaces) {\n namespaces = this.namespaces = parent ? parent.getNamespaces() : {\n prefixMap: {},\n uriMap: {},\n used: {},\n wellknown: [],\n custom: []\n };\n }\n\n return namespaces;\n};\n\nElementSerializer.prototype.logNamespace = function(ns, wellknown) {\n var namespaces = this.getNamespaces();\n\n var nsUri = ns.uri;\n\n var existing = namespaces.uriMap[nsUri];\n\n if (!existing) {\n namespaces.uriMap[nsUri] = ns;\n\n if (wellknown) {\n namespaces.wellknown.push(ns);\n } else {\n namespaces.custom.push(ns);\n }\n }\n\n namespaces.prefixMap[ns.prefix] = nsUri;\n\n return ns;\n};\n\nElementSerializer.prototype.logNamespaceUsed = function(ns) {\n var element = this.element,\n model = element.$model,\n namespaces = this.getNamespaces();\n\n // ns may be\n //\n // * prefix only\n // * prefix:uri\n\n var prefix = ns.prefix;\n\n var wellknownUri = DEFAULT_NS_MAP[prefix] || model && (model.getPackage(prefix) || {}).uri;\n\n var uri = ns.uri || namespaces.prefixMap[prefix] || wellknownUri;\n\n if (!uri) {\n throw new Error('no namespace uri given for prefix <' + ns.prefix + '>');\n }\n\n ns = namespaces.uriMap[uri];\n\n if (!ns) {\n ns = this.logNamespace({ prefix: prefix, uri: uri }, wellknownUri);\n }\n\n if (!namespaces.used[ns.uri]) {\n namespaces.used[ns.uri] = ns;\n }\n\n return ns;\n};\n\nElementSerializer.prototype.parseAttributes = function(properties) {\n var self = this,\n element = this.element;\n\n forEach(properties, function(p) {\n\n var value = element.get(p.name);\n\n if (p.isReference) {\n\n if (!p.isMany) {\n value = value.id;\n }\n else {\n var values = [];\n forEach(value, function(v) {\n values.push(v.id);\n });\n // IDREFS is a whitespace-separated list of references.\n value = values.join(' ');\n }\n\n }\n\n self.addAttribute(self.nsAttributeName(p), value);\n });\n};\n\nElementSerializer.prototype.addAttribute = function(name, value) {\n var attrs = this.attrs;\n\n if (isString(value)) {\n value = escapeAttr(value);\n }\n\n attrs.push({ name: name, value: value });\n};\n\nElementSerializer.prototype.serializeAttributes = function(writer) {\n var attrs = this.attrs,\n root = !this.parent;\n\n if (root) {\n attrs = getNsAttrs(this.namespaces).concat(attrs);\n }\n\n forEach(attrs, function(a) {\n writer\n .append(' ')\n .append(nsName(a.name)).append('=\"').append(a.value).append('\"');\n });\n};\n\nElementSerializer.prototype.serializeTo = function(writer) {\n var hasBody = this.body.length,\n indent = !(this.body.length === 1 && this.body[0] instanceof BodySerializer);\n\n writer\n .appendIndent()\n .append('<' + nsName(this.ns));\n\n this.serializeAttributes(writer);\n\n writer.append(hasBody ? '>' : ' />');\n\n if (hasBody) {\n\n if (indent) {\n writer\n .appendNewLine()\n .indent();\n }\n\n forEach(this.body, function(b) {\n b.serializeTo(writer);\n });\n\n if (indent) {\n writer\n .unindent()\n .appendIndent();\n }\n\n writer.append('</' + nsName(this.ns) + '>');\n }\n\n writer.appendNewLine();\n};\n\n/**\n * A serializer for types that handles serialization of data types\n */\nfunction TypeSerializer(parent, ns) {\n ElementSerializer.call(this, parent, ns);\n}\n\nTypeSerializer.prototype = new ElementSerializer();\n\nTypeSerializer.prototype.build = function(element) {\n var descriptor = element.$descriptor;\n\n this.element = element;\n\n this.typeNs = this.nsTagName(descriptor);\n\n // add xsi:type attribute to represent the elements\n // actual type\n\n var typeNs = this.typeNs,\n pkg = element.$model.getPackage(typeNs.uri),\n typePrefix = (pkg.xml && pkg.xml.typePrefix) || '';\n\n this.addAttribute(this.nsAttributeName(XSI_TYPE),\n (typeNs.prefix ? typeNs.prefix + ':' : '') +\n typePrefix + descriptor.ns.localName);\n\n // do the usual stuff\n return ElementSerializer.prototype.build.call(this, element);\n};\n\nTypeSerializer.prototype.isLocalNs = function(ns) {\n return ns.uri === this.typeNs.uri;\n};\n\nfunction SavingWriter() {\n this.value = '';\n\n this.write = function(str) {\n this.value += str;\n };\n}\n\nfunction FormatingWriter(out, format) {\n\n var indent = [''];\n\n this.append = function(str) {\n out.write(str);\n\n return this;\n };\n\n this.appendNewLine = function() {\n if (format) {\n out.write('/n');\n }\n\n return this;\n };\n\n this.appendIndent = function() {\n if (format) {\n out.write(indent.join(' '));\n }\n\n return this;\n };\n\n this.indent = function() {\n indent.push('');\n return this;\n };\n\n this.unindent = function() {\n indent.pop();\n return this;\n };\n}\n\n/**\n * A writer for meta-model backed document trees\n *\n * @param {Object} options output options to pass into the writer\n */\nfunction XMLWriter(options) {\n\n options = assign({ format: false, preamble: true }, options || {});\n\n function toXML(tree, writer) {\n var internalWriter = writer || new SavingWriter();\n var formatingWriter = new FormatingWriter(internalWriter, options.format);\n\n if (options.preamble) {\n formatingWriter.append(XML_PREAMBLE);\n }\n\n new ElementSerializer().build(tree).serializeTo(formatingWriter);\n\n if (!writer) {\n return internalWriter.value;\n }\n }\n\n return {\n toXML: toXML\n };\n}\n\nmodule.exports = XMLWriter;\n","// wrapper for non-node envs\n;(function (sax) {\n\nsax.parser = function (strict, opt) { return new SAXParser(strict, opt) }\nsax.SAXParser = SAXParser\nsax.SAXStream = SAXStream\nsax.createStream = createStream\n\n// When we pass the MAX_BUFFER_LENGTH position, start checking for buffer overruns.\n// When we check, schedule the next check for MAX_BUFFER_LENGTH - (max(buffer lengths)),\n// since that's the earliest that a buffer overrun could occur. This way, checks are\n// as rare as required, but as often as necessary to ensure never crossing this bound.\n// Furthermore, buffers are only tested at most once per write(), so passing a very\n// large string into write() might have undesirable effects, but this is manageable by\n// the caller, so it is assumed to be safe. Thus, a call to write() may, in the extreme\n// edge case, result in creating at most one complete copy of the string passed in.\n// Set to Infinity to have unlimited buffers.\nsax.MAX_BUFFER_LENGTH = 64 * 1024\n\nvar buffers = [\n \"comment\", \"sgmlDecl\", \"textNode\", \"tagName\", \"doctype\",\n \"procInstName\", \"procInstBody\", \"entity\", \"attribName\",\n \"attribValue\", \"cdata\", \"script\"\n]\n\nsax.EVENTS = // for discoverability.\n [ \"text\"\n , \"processinginstruction\"\n , \"sgmldeclaration\"\n , \"doctype\"\n , \"comment\"\n , \"attribute\"\n , \"opentag\"\n , \"closetag\"\n , \"opencdata\"\n , \"cdata\"\n , \"closecdata\"\n , \"error\"\n , \"end\"\n , \"ready\"\n , \"script\"\n , \"opennamespace\"\n , \"closenamespace\"\n ]\n\nfunction SAXParser (strict, opt) {\n if (!(this instanceof SAXParser)) return new SAXParser(strict, opt)\n\n var parser = this\n clearBuffers(parser)\n parser.q = parser.c = \"\"\n parser.bufferCheckPosition = sax.MAX_BUFFER_LENGTH\n parser.opt = opt || {}\n parser.opt.lowercase = parser.opt.lowercase || parser.opt.lowercasetags\n parser.looseCase = parser.opt.lowercase ? \"toLowerCase\" : \"toUpperCase\"\n parser.tags = []\n parser.closed = parser.closedRoot = parser.sawRoot = false\n parser.tag = parser.error = null\n parser.strict = !!strict\n parser.noscript = !!(strict || parser.opt.noscript)\n parser.state = S.BEGIN\n parser.ENTITIES = Object.create(sax.ENTITIES)\n parser.attribList = []\n\n // namespaces form a prototype chain.\n // it always points at the current tag,\n // which protos to its parent tag.\n if (parser.opt.xmlns) parser.ns = Object.create(rootNS)\n\n // mostly just for error reporting\n parser.trackPosition = parser.opt.position !== false\n if (parser.trackPosition) {\n parser.position = parser.line = parser.column = 0\n }\n emit(parser, \"onready\")\n}\n\nif (!Object.create) Object.create = function (o) {\n function f () { this.__proto__ = o }\n f.prototype = o\n return new f\n}\n\nif (!Object.getPrototypeOf) Object.getPrototypeOf = function (o) {\n return o.__proto__\n}\n\nif (!Object.keys) Object.keys = function (o) {\n var a = []\n for (var i in o) if (o.hasOwnProperty(i)) a.push(i)\n return a\n}\n\nfunction checkBufferLength (parser) {\n var maxAllowed = Math.max(sax.MAX_BUFFER_LENGTH, 10)\n , maxActual = 0\n for (var i = 0, l = buffers.length; i < l; i ++) {\n var len = parser[buffers[i]].length\n if (len > maxAllowed) {\n // Text/cdata nodes can get big, and since they're buffered,\n // we can get here under normal conditions.\n // Avoid issues by emitting the text node now,\n // so at least it won't get any bigger.\n switch (buffers[i]) {\n case \"textNode\":\n closeText(parser)\n break\n\n case \"cdata\":\n emitNode(parser, \"oncdata\", parser.cdata)\n parser.cdata = \"\"\n break\n\n case \"script\":\n emitNode(parser, \"onscript\", parser.script)\n parser.script = \"\"\n break\n\n default:\n error(parser, \"Max buffer length exceeded: \"+buffers[i])\n }\n }\n maxActual = Math.max(maxActual, len)\n }\n // schedule the next check for the earliest possible buffer overrun.\n parser.bufferCheckPosition = (sax.MAX_BUFFER_LENGTH - maxActual)\n + parser.position\n}\n\nfunction clearBuffers (parser) {\n for (var i = 0, l = buffers.length; i < l; i ++) {\n parser[buffers[i]] = \"\"\n }\n}\n\nfunction flushBuffers (parser) {\n closeText(parser)\n if (parser.cdata !== \"\") {\n emitNode(parser, \"oncdata\", parser.cdata)\n parser.cdata = \"\"\n }\n if (parser.script !== \"\") {\n emitNode(parser, \"onscript\", parser.script)\n parser.script = \"\"\n }\n}\n\nSAXParser.prototype =\n { end: function () { end(this) }\n , write: write\n , resume: function () { this.error = null; return this }\n , close: function () { return this.write(null) }\n , flush: function () { flushBuffers(this) }\n }\n\ntry {\n var Stream = require(\"stream\").Stream\n} catch (ex) {\n var Stream = function () {}\n}\n\n\nvar streamWraps = sax.EVENTS.filter(function (ev) {\n return ev !== \"error\" && ev !== \"end\"\n})\n\nfunction createStream (strict, opt) {\n return new SAXStream(strict, opt)\n}\n\nfunction SAXStream (strict, opt) {\n if (!(this instanceof SAXStream)) return new SAXStream(strict, opt)\n\n Stream.apply(this)\n\n this._parser = new SAXParser(strict, opt)\n this.writable = true\n this.readable = true\n\n\n var me = this\n\n this._parser.onend = function () {\n me.emit(\"end\")\n }\n\n this._parser.onerror = function (er) {\n me.emit(\"error\", er)\n\n // if didn't throw, then means error was handled.\n // go ahead and clear error, so we can write again.\n me._parser.error = null\n }\n\n this._decoder = null;\n\n streamWraps.forEach(function (ev) {\n Object.defineProperty(me, \"on\" + ev, {\n get: function () { return me._parser[\"on\" + ev] },\n set: function (h) {\n if (!h) {\n me.removeAllListeners(ev)\n return me._parser[\"on\"+ev] = h\n }\n me.on(ev, h)\n },\n enumerable: true,\n configurable: false\n })\n })\n}\n\nSAXStream.prototype = Object.create(Stream.prototype,\n { constructor: { value: SAXStream } })\n\nSAXStream.prototype.write = function (data) {\n if (typeof Buffer === 'function' &&\n typeof Buffer.isBuffer === 'function' &&\n Buffer.isBuffer(data)) {\n if (!this._decoder) {\n var SD = require('string_decoder').StringDecoder\n this._decoder = new SD('utf8')\n }\n data = this._decoder.write(data);\n }\n\n this._parser.write(data.toString())\n this.emit(\"data\", data)\n return true\n}\n\nSAXStream.prototype.end = function (chunk) {\n if (chunk && chunk.length) this.write(chunk)\n this._parser.end()\n return true\n}\n\nSAXStream.prototype.on = function (ev, handler) {\n var me = this\n if (!me._parser[\"on\"+ev] && streamWraps.indexOf(ev) !== -1) {\n me._parser[\"on\"+ev] = function () {\n var args = arguments.length === 1 ? [arguments[0]]\n : Array.apply(null, arguments)\n args.splice(0, 0, ev)\n me.emit.apply(me, args)\n }\n }\n\n return Stream.prototype.on.call(me, ev, handler)\n}\n\n\n\n// character classes and tokens\nvar whitespace = \"/r/n/t \"\n // this really needs to be replaced with character classes.\n // XML allows all manner of ridiculous numbers and digits.\n , number = \"0124356789\"\n , letter = \"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\"\n // (Letter | \"_\" | \":\")\n , quote = \"'/\"\"\n , entity = number+letter+\"#\"\n , attribEnd = whitespace + \">\"\n , CDATA = \"[CDATA[\"\n , DOCTYPE = \"DOCTYPE\"\n , XML_NAMESPACE = \"http://www.w3.org/XML/1998/namespace\"\n , XMLNS_NAMESPACE = \"http://www.w3.org/2000/xmlns/\"\n , rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE }\n\n// turn all the string character sets into character class objects.\nwhitespace = charClass(whitespace)\nnumber = charClass(number)\nletter = charClass(letter)\n\n// http://www.w3.org/TR/REC-xml/#NT-NameStartChar\n// This implementation works on strings, a single character at a time\n// as such, it cannot ever support astral-plane characters (10000-EFFFF)\n// without a significant breaking change to either this parser, or the\n// JavaScript language. Implementation of an emoji-capable xml parser\n// is left as an exercise for the reader.\nvar nameStart = /[:_A-Za-z/u00C0-/u00D6/u00D8-/u00F6/u00F8-/u02FF/u0370-/u037D/u037F-/u1FFF/u200C-/u200D/u2070-/u218F/u2C00-/u2FEF/u3001-/uD7FF/uF900-/uFDCF/uFDF0-/uFFFD]/\n\nvar nameBody = /[:_A-Za-z/u00C0-/u00D6/u00D8-/u00F6/u00F8-/u02FF/u0370-/u037D/u037F-/u1FFF/u200C-/u200D/u2070-/u218F/u2C00-/u2FEF/u3001-/uD7FF/uF900-/uFDCF/uFDF0-/uFFFD/u00B7/u0300-/u036F/u203F-/u2040/./d-]/\n\nquote = charClass(quote)\nentity = charClass(entity)\nattribEnd = charClass(attribEnd)\n\nfunction charClass (str) {\n return str.split(\"\").reduce(function (s, c) {\n s[c] = true\n return s\n }, {})\n}\n\nfunction isRegExp (c) {\n return Object.prototype.toString.call(c) === '[object RegExp]'\n}\n\nfunction is (charclass, c) {\n return isRegExp(charclass) ? !!c.match(charclass) : charclass[c]\n}\n\nfunction not (charclass, c) {\n return !is(charclass, c)\n}\n\nvar S = 0\nsax.STATE =\n{ BEGIN : S++\n, TEXT : S++ // general stuff\n, TEXT_ENTITY : S++ // &amp and such.\n, OPEN_WAKA : S++ // <\n, SGML_DECL : S++ // <!BLARG\n, SGML_DECL_QUOTED : S++ // <!BLARG foo \"bar\n, DOCTYPE : S++ // <!DOCTYPE\n, DOCTYPE_QUOTED : S++ // <!DOCTYPE \"//blah\n, DOCTYPE_DTD : S++ // <!DOCTYPE \"//blah\" [ ...\n, DOCTYPE_DTD_QUOTED : S++ // <!DOCTYPE \"//blah\" [ \"foo\n, COMMENT_STARTING : S++ // <!-\n, COMMENT : S++ // <!--\n, COMMENT_ENDING : S++ // <!-- blah -\n, COMMENT_ENDED : S++ // <!-- blah --\n, CDATA : S++ // <![CDATA[ something\n, CDATA_ENDING : S++ // ]\n, CDATA_ENDING_2 : S++ // ]]\n, PROC_INST : S++ // <?hi\n, PROC_INST_BODY : S++ // <?hi there\n, PROC_INST_ENDING : S++ // <?hi \"there\" ?\n, OPEN_TAG : S++ // <strong\n, OPEN_TAG_SLASH : S++ // <strong /\n, ATTRIB : S++ // <a\n, ATTRIB_NAME : S++ // <a foo\n, ATTRIB_NAME_SAW_WHITE : S++ // <a foo _\n, ATTRIB_VALUE : S++ // <a foo=\n, ATTRIB_VALUE_QUOTED : S++ // <a foo=\"bar\n, ATTRIB_VALUE_CLOSED : S++ // <a foo=\"bar\"\n, ATTRIB_VALUE_UNQUOTED : S++ // <a foo=bar\n, ATTRIB_VALUE_ENTITY_Q : S++ // <foo bar=\"&quot;\"\n, ATTRIB_VALUE_ENTITY_U : S++ // <foo bar=&quot;\n, CLOSE_TAG : S++ // </a\n, CLOSE_TAG_SAW_WHITE : S++ // </a >\n, SCRIPT : S++ // <script> ...\n, SCRIPT_ENDING : S++ // <script> ... <\n}\n\nsax.ENTITIES =\n{ \"amp\" : \"&\"\n, \"gt\" : \">\"\n, \"lt\" : \"<\"\n, \"quot\" : \"/\"\"\n, \"apos\" : \"'\"\n, \"AElig\" : 198\n, \"Aacute\" : 193\n, \"Acirc\" : 194\n, \"Agrave\" : 192\n, \"Aring\" : 197\n, \"Atilde\" : 195\n, \"Auml\" : 196\n, \"Ccedil\" : 199\n, \"ETH\" : 208\n, \"Eacute\" : 201\n, \"Ecirc\" : 202\n, \"Egrave\" : 200\n, \"Euml\" : 203\n, \"Iacute\" : 205\n, \"Icirc\" : 206\n, \"Igrave\" : 204\n, \"Iuml\" : 207\n, \"Ntilde\" : 209\n, \"Oacute\" : 211\n, \"Ocirc\" : 212\n, \"Ograve\" : 210\n, \"Oslash\" : 216\n, \"Otilde\" : 213\n, \"Ouml\" : 214\n, \"THORN\" : 222\n, \"Uacute\" : 218\n, \"Ucirc\" : 219\n, \"Ugrave\" : 217\n, \"Uuml\" : 220\n, \"Yacute\" : 221\n, \"aacute\" : 225\n, \"acirc\" : 226\n, \"aelig\" : 230\n, \"agrave\" : 224\n, \"aring\" : 229\n, \"atilde\" : 227\n, \"auml\" : 228\n, \"ccedil\" : 231\n, \"eacute\" : 233\n, \"ecirc\" : 234\n, \"egrave\" : 232\n, \"eth\" : 240\n, \"euml\" : 235\n, \"iacute\" : 237\n, \"icirc\" : 238\n, \"igrave\" : 236\n, \"iuml\" : 239\n, \"ntilde\" : 241\n, \"oacute\" : 243\n, \"ocirc\" : 244\n, \"ograve\" : 242\n, \"oslash\" : 248\n, \"otilde\" : 245\n, \"ouml\" : 246\n, \"szlig\" : 223\n, \"thorn\" : 254\n, \"uacute\" : 250\n, \"ucirc\" : 251\n, \"ugrave\" : 249\n, \"uuml\" : 252\n, \"yacute\" : 253\n, \"yuml\" : 255\n, \"copy\" : 169\n, \"reg\" : 174\n, \"nbsp\" : 160\n, \"iexcl\" : 161\n, \"cent\" : 162\n, \"pound\" : 163\n, \"curren\" : 164\n, \"yen\" : 165\n, \"brvbar\" : 166\n, \"sect\" : 167\n, \"uml\" : 168\n, \"ordf\" : 170\n, \"laquo\" : 171\n, \"not\" : 172\n, \"shy\" : 173\n, \"macr\" : 175\n, \"deg\" : 176\n, \"plusmn\" : 177\n, \"sup1\" : 185\n, \"sup2\" : 178\n, \"sup3\" : 179\n, \"acute\" : 180\n, \"micro\" : 181\n, \"para\" : 182\n, \"middot\" : 183\n, \"cedil\" : 184\n, \"ordm\" : 186\n, \"raquo\" : 187\n, \"frac14\" : 188\n, \"frac12\" : 189\n, \"frac34\" : 190\n, \"iquest\" : 191\n, \"times\" : 215\n, \"divide\" : 247\n, \"OElig\" : 338\n, \"oelig\" : 339\n, \"Scaron\" : 352\n, \"scaron\" : 353\n, \"Yuml\" : 376\n, \"fnof\" : 402\n, \"circ\" : 710\n, \"tilde\" : 732\n, \"Alpha\" : 913\n, \"Beta\" : 914\n, \"Gamma\" : 915\n, \"Delta\" : 916\n, \"Epsilon\" : 917\n, \"Zeta\" : 918\n, \"Eta\" : 919\n, \"Theta\" : 920\n, \"Iota\" : 921\n, \"Kappa\" : 922\n, \"Lambda\" : 923\n, \"Mu\" : 924\n, \"Nu\" : 925\n, \"Xi\" : 926\n, \"Omicron\" : 927\n, \"Pi\" : 928\n, \"Rho\" : 929\n, \"Sigma\" : 931\n, \"Tau\" : 932\n, \"Upsilon\" : 933\n, \"Phi\" : 934\n, \"Chi\" : 935\n, \"Psi\" : 936\n, \"Omega\" : 937\n, \"alpha\" : 945\n, \"beta\" : 946\n, \"gamma\" : 947\n, \"delta\" : 948\n, \"epsilon\" : 949\n, \"zeta\" : 950\n, \"eta\" : 951\n, \"theta\" : 952\n, \"iota\" : 953\n, \"kappa\" : 954\n, \"lambda\" : 955\n, \"mu\" : 956\n, \"nu\" : 957\n, \"xi\" : 958\n, \"omicron\" : 959\n, \"pi\" : 960\n, \"rho\" : 961\n, \"sigmaf\" : 962\n, \"sigma\" : 963\n, \"tau\" : 964\n, \"upsilon\" : 965\n, \"phi\" : 966\n, \"chi\" : 967\n, \"psi\" : 968\n, \"omega\" : 969\n, \"thetasym\" : 977\n, \"upsih\" : 978\n, \"piv\" : 982\n, \"ensp\" : 8194\n, \"emsp\" : 8195\n, \"thinsp\" : 8201\n, \"zwnj\" : 8204\n, \"zwj\" : 8205\n, \"lrm\" : 8206\n, \"rlm\" : 8207\n, \"ndash\" : 8211\n, \"mdash\" : 8212\n, \"lsquo\" : 8216\n, \"rsquo\" : 8217\n, \"sbquo\" : 8218\n, \"ldquo\" : 8220\n, \"rdquo\" : 8221\n, \"bdquo\" : 8222\n, \"dagger\" : 8224\n, \"Dagger\" : 8225\n, \"bull\" : 8226\n, \"hellip\" : 8230\n, \"permil\" : 8240\n, \"prime\" : 8242\n, \"Prime\" : 8243\n, \"lsaquo\" : 8249\n, \"rsaquo\" : 8250\n, \"oline\" : 8254\n, \"frasl\" : 8260\n, \"euro\" : 8364\n, \"image\" : 8465\n, \"weierp\" : 8472\n, \"real\" : 8476\n, \"trade\" : 8482\n, \"alefsym\" : 8501\n, \"larr\" : 8592\n, \"uarr\" : 8593\n, \"rarr\" : 8594\n, \"darr\" : 8595\n, \"harr\" : 8596\n, \"crarr\" : 8629\n, \"lArr\" : 8656\n, \"uArr\" : 8657\n, \"rArr\" : 8658\n, \"dArr\" : 8659\n, \"hArr\" : 8660\n, \"forall\" : 8704\n, \"part\" : 8706\n, \"exist\" : 8707\n, \"empty\" : 8709\n, \"nabla\" : 8711\n, \"isin\" : 8712\n, \"notin\" : 8713\n, \"ni\" : 8715\n, \"prod\" : 8719\n, \"sum\" : 8721\n, \"minus\" : 8722\n, \"lowast\" : 8727\n, \"radic\" : 8730\n, \"prop\" : 8733\n, \"infin\" : 8734\n, \"ang\" : 8736\n, \"and\" : 8743\n, \"or\" : 8744\n, \"cap\" : 8745\n, \"cup\" : 8746\n, \"int\" : 8747\n, \"there4\" : 8756\n, \"sim\" : 8764\n, \"cong\" : 8773\n, \"asymp\" : 8776\n, \"ne\" : 8800\n, \"equiv\" : 8801\n, \"le\" : 8804\n, \"ge\" : 8805\n, \"sub\" : 8834\n, \"sup\" : 8835\n, \"nsub\" : 8836\n, \"sube\" : 8838\n, \"supe\" : 8839\n, \"oplus\" : 8853\n, \"otimes\" : 8855\n, \"perp\" : 8869\n, \"sdot\" : 8901\n, \"lceil\" : 8968\n, \"rceil\" : 8969\n, \"lfloor\" : 8970\n, \"rfloor\" : 8971\n, \"lang\" : 9001\n, \"rang\" : 9002\n, \"loz\" : 9674\n, \"spades\" : 9824\n, \"clubs\" : 9827\n, \"hearts\" : 9829\n, \"diams\" : 9830\n}\n\nObject.keys(sax.ENTITIES).forEach(function (key) {\n var e = sax.ENTITIES[key]\n var s = typeof e === 'number' ? String.fromCharCode(e) : e\n sax.ENTITIES[key] = s\n})\n\nfor (var S in sax.STATE) sax.STATE[sax.STATE[S]] = S\n\n// shorthand\nS = sax.STATE\n\nfunction emit (parser, event, data) {\n parser[event] && parser[event](data)\n}\n\nfunction emitNode (parser, nodeType, data) {\n if (parser.textNode) closeText(parser)\n emit(parser, nodeType, data)\n}\n\nfunction closeText (parser) {\n parser.textNode = textopts(parser.opt, parser.textNode)\n if (parser.textNode) emit(parser, \"ontext\", parser.textNode)\n parser.textNode = \"\"\n}\n\nfunction textopts (opt, text) {\n if (opt.trim) text = text.trim()\n if (opt.normalize) text = text.replace(//s+/g, \" \")\n return text\n}\n\nfunction error (parser, er) {\n closeText(parser)\n if (parser.trackPosition) {\n er += \"/nLine: \"+parser.line+\n \"/nColumn: \"+parser.column+\n \"/nChar: \"+parser.c\n }\n er = new Error(er)\n parser.error = er\n emit(parser, \"onerror\", er)\n return parser\n}\n\nfunction end (parser) {\n if (!parser.closedRoot) strictFail(parser, \"Unclosed root tag\")\n if ((parser.state !== S.BEGIN) && (parser.state !== S.TEXT)) error(parser, \"Unexpected end\")\n closeText(parser)\n parser.c = \"\"\n parser.closed = true\n emit(parser, \"onend\")\n SAXParser.call(parser, parser.strict, parser.opt)\n return parser\n}\n\nfunction strictFail (parser, message) {\n if (typeof parser !== 'object' || !(parser instanceof SAXParser))\n throw new Error('bad call to strictFail');\n if (parser.strict) error(parser, message)\n}\n\nfunction newTag (parser) {\n if (!parser.strict) parser.tagName = parser.tagName[parser.looseCase]()\n var parent = parser.tags[parser.tags.length - 1] || parser\n , tag = parser.tag = { name : parser.tagName, attributes : {} }\n\n // will be overridden if tag contails an xmlns=\"foo\" or xmlns:foo=\"bar\"\n if (parser.opt.xmlns) tag.ns = parent.ns\n parser.attribList.length = 0\n}\n\nfunction qname (name, attribute) {\n var i = name.indexOf(\":\")\n , qualName = i < 0 ? [ \"\", name ] : name.split(\":\")\n , prefix = qualName[0]\n , local = qualName[1]\n\n // <x \"xmlns\"=\"http://foo\">\n if (attribute && name === \"xmlns\") {\n prefix = \"xmlns\"\n local = \"\"\n }\n\n return { prefix: prefix, local: local }\n}\n\nfunction attrib (parser) {\n if (!parser.strict) parser.attribName = parser.attribName[parser.looseCase]()\n\n if (parser.attribList.indexOf(parser.attribName) !== -1 ||\n parser.tag.attributes.hasOwnProperty(parser.attribName)) {\n return parser.attribName = parser.attribValue = \"\"\n }\n\n if (parser.opt.xmlns) {\n var qn = qname(parser.attribName, true)\n , prefix = qn.prefix\n , local = qn.local\n\n if (prefix === \"xmlns\") {\n // namespace binding attribute; push the binding into scope\n if (local === \"xml\" && parser.attribValue !== XML_NAMESPACE) {\n strictFail( parser\n , \"xml: prefix must be bound to \" + XML_NAMESPACE + \"/n\"\n + \"Actual: \" + parser.attribValue )\n } else if (local === \"xmlns\" && parser.attribValue !== XMLNS_NAMESPACE) {\n strictFail( parser\n , \"xmlns: prefix must be bound to \" + XMLNS_NAMESPACE + \"/n\"\n + \"Actual: \" + parser.attribValue )\n } else {\n var tag = parser.tag\n , parent = parser.tags[parser.tags.length - 1] || parser\n if (tag.ns === parent.ns) {\n tag.ns = Object.create(parent.ns)\n }\n tag.ns[local] = parser.attribValue\n }\n }\n\n // defer onattribute events until all attributes have been seen\n // so any new bindings can take effect; preserve attribute order\n // so deferred events can be emitted in document order\n parser.attribList.push([parser.attribName, parser.attribValue])\n } else {\n // in non-xmlns mode, we can emit the event right away\n parser.tag.attributes[parser.attribName] = parser.attribValue\n emitNode( parser\n , \"onattribute\"\n , { name: parser.attribName\n , value: parser.attribValue } )\n }\n\n parser.attribName = parser.attribValue = \"\"\n}\n\nfunction openTag (parser, selfClosing) {\n if (parser.opt.xmlns) {\n // emit namespace binding events\n var tag = parser.tag\n\n // add namespace info to tag\n var qn = qname(parser.tagName)\n tag.prefix = qn.prefix\n tag.local = qn.local\n tag.uri = tag.ns[qn.prefix] || \"\"\n\n if (tag.prefix && !tag.uri) {\n strictFail(parser, \"Unbound namespace prefix: \"\n + JSON.stringify(parser.tagName))\n tag.uri = qn.prefix\n }\n\n var parent = parser.tags[parser.tags.length - 1] || parser\n if (tag.ns && parent.ns !== tag.ns) {\n Object.keys(tag.ns).forEach(function (p) {\n emitNode( parser\n , \"onopennamespace\"\n , { prefix: p , uri: tag.ns[p] } )\n })\n }\n\n // handle deferred onattribute events\n // Note: do not apply default ns to attributes:\n // http://www.w3.org/TR/REC-xml-names/#defaulting\n for (var i = 0, l = parser.attribList.length; i < l; i ++) {\n var nv = parser.attribList[i]\n var name = nv[0]\n , value = nv[1]\n , qualName = qname(name, true)\n , prefix = qualName.prefix\n , local = qualName.local\n , uri = prefix == \"\" ? \"\" : (tag.ns[prefix] || \"\")\n , a = { name: name\n , value: value\n , prefix: prefix\n , local: local\n , uri: uri\n }\n\n // if there's any attributes with an undefined namespace,\n // then fail on them now.\n if (prefix && prefix != \"xmlns\" && !uri) {\n strictFail(parser, \"Unbound namespace prefix: \"\n + JSON.stringify(prefix))\n a.uri = prefix\n }\n parser.tag.attributes[name] = a\n emitNode(parser, \"onattribute\", a)\n }\n parser.attribList.length = 0\n }\n\n parser.tag.isSelfClosing = !!selfClosing\n\n // process the tag\n parser.sawRoot = true\n parser.tags.push(parser.tag)\n emitNode(parser, \"onopentag\", parser.tag)\n if (!selfClosing) {\n // special case for <script> in non-strict mode.\n if (!parser.noscript && parser.tagName.toLowerCase() === \"script\") {\n parser.state = S.SCRIPT\n } else {\n parser.state = S.TEXT\n }\n parser.tag = null\n parser.tagName = \"\"\n }\n parser.attribName = parser.attribValue = \"\"\n parser.attribList.length = 0\n}\n\nfunction closeTag (parser) {\n if (!parser.tagName) {\n strictFail(parser, \"Weird empty close tag.\")\n parser.textNode += \"</>\"\n parser.state = S.TEXT\n return\n }\n\n if (parser.script) {\n if (parser.tagName !== \"script\") {\n parser.script += \"</\" + parser.tagName + \">\"\n parser.tagName = \"\"\n parser.state = S.SCRIPT\n return\n }\n emitNode(parser, \"onscript\", parser.script)\n parser.script = \"\"\n }\n\n // first make sure that the closing tag actually exists.\n // <a><b></c></b></a> will close everything, otherwise.\n var t = parser.tags.length\n var tagName = parser.tagName\n if (!parser.strict) tagName = tagName[parser.looseCase]()\n var closeTo = tagName\n while (t --) {\n var close = parser.tags[t]\n if (close.name !== closeTo) {\n // fail the first time in strict mode\n strictFail(parser, \"Unexpected close tag\")\n } else break\n }\n\n // didn't find it. we already failed for strict, so just abort.\n if (t < 0) {\n strictFail(parser, \"Unmatched closing tag: \"+parser.tagName)\n parser.textNode += \"</\" + parser.tagName + \">\"\n parser.state = S.TEXT\n return\n }\n parser.tagName = tagName\n var s = parser.tags.length\n while (s --> t) {\n var tag = parser.tag = parser.tags.pop()\n parser.tagName = parser.tag.name\n emitNode(parser, \"onclosetag\", parser.tagName)\n\n var x = {}\n for (var i in tag.ns) x[i] = tag.ns[i]\n\n var parent = parser.tags[parser.tags.length - 1] || parser\n if (parser.opt.xmlns && tag.ns !== parent.ns) {\n // remove namespace bindings introduced by tag\n Object.keys(tag.ns).forEach(function (p) {\n var n = tag.ns[p]\n emitNode(parser, \"onclosenamespace\", { prefix: p, uri: n })\n })\n }\n }\n if (t === 0) parser.closedRoot = true\n parser.tagName = parser.attribValue = parser.attribName = \"\"\n parser.attribList.length = 0\n parser.state = S.TEXT\n}\n\nfunction parseEntity (parser) {\n var entity = parser.entity\n , entityLC = entity.toLowerCase()\n , num\n , numStr = \"\"\n if (parser.ENTITIES[entity])\n return parser.ENTITIES[entity]\n if (parser.ENTITIES[entityLC])\n return parser.ENTITIES[entityLC]\n entity = entityLC\n if (entity.charAt(0) === \"#\") {\n if (entity.charAt(1) === \"x\") {\n entity = entity.slice(2)\n num = parseInt(entity, 16)\n numStr = num.toString(16)\n } else {\n entity = entity.slice(1)\n num = parseInt(entity, 10)\n numStr = num.toString(10)\n }\n }\n entity = entity.replace(/^0+/, \"\")\n if (numStr.toLowerCase() !== entity) {\n strictFail(parser, \"Invalid character entity\")\n return \"&\"+parser.entity + \";\"\n }\n\n return String.fromCodePoint(num)\n}\n\nfunction write (chunk) {\n var parser = this\n if (this.error) throw this.error\n if (parser.closed) return error(parser,\n \"Cannot write after close. Assign an onready handler.\")\n if (chunk === null) return end(parser)\n var i = 0, c = \"\"\n while (parser.c = c = chunk.charAt(i++)) {\n if (parser.trackPosition) {\n parser.position ++\n if (c === \"/n\") {\n parser.line ++\n parser.column = 0\n } else parser.column ++\n }\n switch (parser.state) {\n\n case S.BEGIN:\n if (c === \"<\") {\n parser.state = S.OPEN_WAKA\n parser.startTagPosition = parser.position\n } else if (not(whitespace,c)) {\n // have to process this as a text node.\n // weird, but happens.\n strictFail(parser, \"Non-whitespace before first tag.\")\n parser.textNode = c\n parser.state = S.TEXT\n }\n continue\n\n case S.TEXT:\n if (parser.sawRoot && !parser.closedRoot) {\n var starti = i-1\n while (c && c!==\"<\" && c!==\"&\") {\n c = chunk.charAt(i++)\n if (c && parser.trackPosition) {\n parser.position ++\n if (c === \"/n\") {\n parser.line ++\n parser.column = 0\n } else parser.column ++\n }\n }\n parser.textNode += chunk.substring(starti, i-1)\n }\n if (c === \"<\") {\n parser.state = S.OPEN_WAKA\n parser.startTagPosition = parser.position\n } else {\n if (not(whitespace, c) && (!parser.sawRoot || parser.closedRoot))\n strictFail(parser, \"Text data outside of root node.\")\n if (c === \"&\") parser.state = S.TEXT_ENTITY\n else parser.textNode += c\n }\n continue\n\n case S.SCRIPT:\n // only non-strict\n if (c === \"<\") {\n parser.state = S.SCRIPT_ENDING\n } else parser.script += c\n continue\n\n case S.SCRIPT_ENDING:\n if (c === \"/\") {\n parser.state = S.CLOSE_TAG\n } else {\n parser.script += \"<\" + c\n parser.state = S.SCRIPT\n }\n continue\n\n case S.OPEN_WAKA:\n // either a /, ?, !, or text is coming next.\n if (c === \"!\") {\n parser.state = S.SGML_DECL\n parser.sgmlDecl = \"\"\n } else if (is(whitespace, c)) {\n // wait for it...\n } else if (is(nameStart,c)) {\n parser.state = S.OPEN_TAG\n parser.tagName = c\n } else if (c === \"/\") {\n parser.state = S.CLOSE_TAG\n parser.tagName = \"\"\n } else if (c === \"?\") {\n parser.state = S.PROC_INST\n parser.procInstName = parser.procInstBody = \"\"\n } else {\n strictFail(parser, \"Unencoded <\")\n // if there was some whitespace, then add that in.\n if (parser.startTagPosition + 1 < parser.position) {\n var pad = parser.position - parser.startTagPosition\n c = new Array(pad).join(\" \") + c\n }\n parser.textNode += \"<\" + c\n parser.state = S.TEXT\n }\n continue\n\n case S.SGML_DECL:\n if ((parser.sgmlDecl+c).toUpperCase() === CDATA) {\n emitNode(parser, \"onopencdata\")\n parser.state = S.CDATA\n parser.sgmlDecl = \"\"\n parser.cdata = \"\"\n } else if (parser.sgmlDecl+c === \"--\") {\n parser.state = S.COMMENT\n parser.comment = \"\"\n parser.sgmlDecl = \"\"\n } else if ((parser.sgmlDecl+c).toUpperCase() === DOCTYPE) {\n parser.state = S.DOCTYPE\n if (parser.doctype || parser.sawRoot) strictFail(parser,\n \"Inappropriately located doctype declaration\")\n parser.doctype = \"\"\n parser.sgmlDecl = \"\"\n } else if (c === \">\") {\n emitNode(parser, \"onsgmldeclaration\", parser.sgmlDecl)\n parser.sgmlDecl = \"\"\n parser.state = S.TEXT\n } else if (is(quote, c)) {\n parser.state = S.SGML_DECL_QUOTED\n parser.sgmlDecl += c\n } else parser.sgmlDecl += c\n continue\n\n case S.SGML_DECL_QUOTED:\n if (c === parser.q) {\n parser.state = S.SGML_DECL\n parser.q = \"\"\n }\n parser.sgmlDecl += c\n continue\n\n case S.DOCTYPE:\n if (c === \">\") {\n parser.state = S.TEXT\n emitNode(parser, \"ondoctype\", parser.doctype)\n parser.doctype = true // just remember that we saw it.\n } else {\n parser.doctype += c\n if (c === \"[\") parser.state = S.DOCTYPE_DTD\n else if (is(quote, c)) {\n parser.state = S.DOCTYPE_QUOTED\n parser.q = c\n }\n }\n continue\n\n case S.DOCTYPE_QUOTED:\n parser.doctype += c\n if (c === parser.q) {\n parser.q = \"\"\n parser.state = S.DOCTYPE\n }\n continue\n\n case S.DOCTYPE_DTD:\n parser.doctype += c\n if (c === \"]\") parser.state = S.DOCTYPE\n else if (is(quote,c)) {\n parser.state = S.DOCTYPE_DTD_QUOTED\n parser.q = c\n }\n continue\n\n case S.DOCTYPE_DTD_QUOTED:\n parser.doctype += c\n if (c === parser.q) {\n parser.state = S.DOCTYPE_DTD\n parser.q = \"\"\n }\n continue\n\n case S.COMMENT:\n if (c === \"-\") parser.state = S.COMMENT_ENDING\n else parser.comment += c\n continue\n\n case S.COMMENT_ENDING:\n if (c === \"-\") {\n parser.state = S.COMMENT_ENDED\n parser.comment = textopts(parser.opt, parser.comment)\n if (parser.comment) emitNode(parser, \"oncomment\", parser.comment)\n parser.comment = \"\"\n } else {\n parser.comment += \"-\" + c\n parser.state = S.COMMENT\n }\n continue\n\n case S.COMMENT_ENDED:\n if (c !== \">\") {\n strictFail(parser, \"Malformed comment\")\n // allow <!-- blah -- bloo --> in non-strict mode,\n // which is a comment of \" blah -- bloo \"\n parser.comment += \"--\" + c\n parser.state = S.COMMENT\n } else parser.state = S.TEXT\n continue\n\n case S.CDATA:\n if (c === \"]\") parser.state = S.CDATA_ENDING\n else parser.cdata += c\n continue\n\n case S.CDATA_ENDING:\n if (c === \"]\") parser.state = S.CDATA_ENDING_2\n else {\n parser.cdata += \"]\" + c\n parser.state = S.CDATA\n }\n continue\n\n case S.CDATA_ENDING_2:\n if (c === \">\") {\n if (parser.cdata) emitNode(parser, \"oncdata\", parser.cdata)\n emitNode(parser, \"onclosecdata\")\n parser.cdata = \"\"\n parser.state = S.TEXT\n } else if (c === \"]\") {\n parser.cdata += \"]\"\n } else {\n parser.cdata += \"]]\" + c\n parser.state = S.CDATA\n }\n continue\n\n case S.PROC_INST:\n if (c === \"?\") parser.state = S.PROC_INST_ENDING\n else if (is(whitespace, c)) parser.state = S.PROC_INST_BODY\n else parser.procInstName += c\n continue\n\n case S.PROC_INST_BODY:\n if (!parser.procInstBody && is(whitespace, c)) continue\n else if (c === \"?\") parser.state = S.PROC_INST_ENDING\n else parser.procInstBody += c\n continue\n\n case S.PROC_INST_ENDING:\n if (c === \">\") {\n emitNode(parser, \"onprocessinginstruction\", {\n name : parser.procInstName,\n body : parser.procInstBody\n })\n parser.procInstName = parser.procInstBody = \"\"\n parser.state = S.TEXT\n } else {\n parser.procInstBody += \"?\" + c\n parser.state = S.PROC_INST_BODY\n }\n continue\n\n case S.OPEN_TAG:\n if (is(nameBody, c)) parser.tagName += c\n else {\n newTag(parser)\n if (c === \">\") openTag(parser)\n else if (c === \"/\") parser.state = S.OPEN_TAG_SLASH\n else {\n if (not(whitespace, c)) strictFail(\n parser, \"Invalid character in tag name\")\n parser.state = S.ATTRIB\n }\n }\n continue\n\n case S.OPEN_TAG_SLASH:\n if (c === \">\") {\n openTag(parser, true)\n closeTag(parser)\n } else {\n strictFail(parser, \"Forward-slash in opening tag not followed by >\")\n parser.state = S.ATTRIB\n }\n continue\n\n case S.ATTRIB:\n // haven't read the attribute name yet.\n if (is(whitespace, c)) continue\n else if (c === \">\") openTag(parser)\n else if (c === \"/\") parser.state = S.OPEN_TAG_SLASH\n else if (is(nameStart, c)) {\n parser.attribName = c\n parser.attribValue = \"\"\n parser.state = S.ATTRIB_NAME\n } else strictFail(parser, \"Invalid attribute name\")\n continue\n\n case S.ATTRIB_NAME:\n if (c === \"=\") parser.state = S.ATTRIB_VALUE\n else if (c === \">\") {\n strictFail(parser, \"Attribute without value\")\n parser.attribValue = parser.attribName\n attrib(parser)\n openTag(parser)\n }\n else if (is(whitespace, c)) parser.state = S.ATTRIB_NAME_SAW_WHITE\n else if (is(nameBody, c)) parser.attribName += c\n else strictFail(parser, \"Invalid attribute name\")\n continue\n\n case S.ATTRIB_NAME_SAW_WHITE:\n if (c === \"=\") parser.state = S.ATTRIB_VALUE\n else if (is(whitespace, c)) continue\n else {\n strictFail(parser, \"Attribute without value\")\n parser.tag.attributes[parser.attribName] = \"\"\n parser.attribValue = \"\"\n emitNode(parser, \"onattribute\",\n { name : parser.attribName, value : \"\" })\n parser.attribName = \"\"\n if (c === \">\") openTag(parser)\n else if (is(nameStart, c)) {\n parser.attribName = c\n parser.state = S.ATTRIB_NAME\n } else {\n strictFail(parser, \"Invalid attribute name\")\n parser.state = S.ATTRIB\n }\n }\n continue\n\n case S.ATTRIB_VALUE:\n if (is(whitespace, c)) continue\n else if (is(quote, c)) {\n parser.q = c\n parser.state = S.ATTRIB_VALUE_QUOTED\n } else {\n strictFail(parser, \"Unquoted attribute value\")\n parser.state = S.ATTRIB_VALUE_UNQUOTED\n parser.attribValue = c\n }\n continue\n\n case S.ATTRIB_VALUE_QUOTED:\n if (c !== parser.q) {\n if (c === \"&\") parser.state = S.ATTRIB_VALUE_ENTITY_Q\n else parser.attribValue += c\n continue\n }\n attrib(parser)\n parser.q = \"\"\n parser.state = S.ATTRIB_VALUE_CLOSED\n continue\n\n case S.ATTRIB_VALUE_CLOSED:\n if (is(whitespace, c)) {\n parser.state = S.ATTRIB\n } else if (c === \">\") openTag(parser)\n else if (c === \"/\") parser.state = S.OPEN_TAG_SLASH\n else if (is(nameStart, c)) {\n strictFail(parser, \"No whitespace between attributes\")\n parser.attribName = c\n parser.attribValue = \"\"\n parser.state = S.ATTRIB_NAME\n } else strictFail(parser, \"Invalid attribute name\")\n continue\n\n case S.ATTRIB_VALUE_UNQUOTED:\n if (not(attribEnd,c)) {\n if (c === \"&\") parser.state = S.ATTRIB_VALUE_ENTITY_U\n else parser.attribValue += c\n continue\n }\n attrib(parser)\n if (c === \">\") openTag(parser)\n else parser.state = S.ATTRIB\n continue\n\n case S.CLOSE_TAG:\n if (!parser.tagName) {\n if (is(whitespace, c)) continue\n else if (not(nameStart, c)) {\n if (parser.script) {\n parser.script += \"</\" + c\n parser.state = S.SCRIPT\n } else {\n strictFail(parser, \"Invalid tagname in closing tag.\")\n }\n } else parser.tagName = c\n }\n else if (c === \">\") closeTag(parser)\n else if (is(nameBody, c)) parser.tagName += c\n else if (parser.script) {\n parser.script += \"</\" + parser.tagName\n parser.tagName = \"\"\n parser.state = S.SCRIPT\n } else {\n if (not(whitespace, c)) strictFail(parser,\n \"Invalid tagname in closing tag\")\n parser.state = S.CLOSE_TAG_SAW_WHITE\n }\n continue\n\n case S.CLOSE_TAG_SAW_WHITE:\n if (is(whitespace, c)) continue\n if (c === \">\") closeTag(parser)\n else strictFail(parser, \"Invalid characters in closing tag\")\n continue\n\n case S.TEXT_ENTITY:\n case S.ATTRIB_VALUE_ENTITY_Q:\n case S.ATTRIB_VALUE_ENTITY_U:\n switch(parser.state) {\n case S.TEXT_ENTITY:\n var returnState = S.TEXT, buffer = \"textNode\"\n break\n\n case S.ATTRIB_VALUE_ENTITY_Q:\n var returnState = S.ATTRIB_VALUE_QUOTED, buffer = \"attribValue\"\n break\n\n case S.ATTRIB_VALUE_ENTITY_U:\n var returnState = S.ATTRIB_VALUE_UNQUOTED, buffer = \"attribValue\"\n break\n }\n if (c === \";\") {\n parser[buffer] += parseEntity(parser)\n parser.entity = \"\"\n parser.state = returnState\n }\n else if (is(entity, c)) parser.entity += c\n else {\n strictFail(parser, \"Invalid character entity\")\n parser[buffer] += \"&\" + parser.entity + c\n parser.entity = \"\"\n parser.state = returnState\n }\n continue\n\n default:\n throw new Error(parser, \"Unknown state: \" + parser.state)\n }\n } // while\n // cdata blocks can get very big under normal conditions. emit and move on.\n // if (parser.state === S.CDATA && parser.cdata) {\n // emitNode(parser, \"oncdata\", parser.cdata)\n // parser.cdata = \"\"\n // }\n if (parser.position >= parser.bufferCheckPosition) checkBufferLength(parser)\n return parser\n}\n\n/*! http://mths.be/fromcodepoint v0.1.0 by @mathias */\nif (!String.fromCodePoint) {\n (function() {\n var stringFromCharCode = String.fromCharCode;\n var floor = Math.floor;\n var fromCodePoint = function() {\n var MAX_SIZE = 0x4000;\n var codeUnits = [];\n var highSurrogate;\n var lowSurrogate;\n var index = -1;\n var length = arguments.length;\n if (!length) {\n return '';\n }\n var result = '';\n while (++index < length) {\n var codePoint = Number(arguments[index]);\n if (\n !isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity`\n codePoint < 0 || // not a valid Unicode code point\n codePoint > 0x10FFFF || // not a valid Unicode code point\n floor(codePoint) != codePoint // not an integer\n ) {\n throw RangeError('Invalid code point: ' + codePoint);\n }\n if (codePoint <= 0xFFFF) { // BMP code point\n codeUnits.push(codePoint);\n } else { // Astral code point; split in surrogate halves\n // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n codePoint -= 0x10000;\n highSurrogate = (codePoint >> 10) + 0xD800;\n lowSurrogate = (codePoint % 0x400) + 0xDC00;\n codeUnits.push(highSurrogate, lowSurrogate);\n }\n if (index + 1 == length || codeUnits.length > MAX_SIZE) {\n result += stringFromCharCode.apply(null, codeUnits);\n codeUnits.length = 0;\n }\n }\n return result;\n };\n if (Object.defineProperty) {\n Object.defineProperty(String, 'fromCodePoint', {\n 'value': fromCodePoint,\n 'configurable': true,\n 'writable': true\n });\n } else {\n String.fromCodePoint = fromCodePoint;\n }\n }());\n}\n\n})(typeof exports === \"undefined\" ? sax = {} : exports);\n","/**\n * Tiny stack for browser or server\n *\n * @author Jason Mulligan <jason.mulligan@avoidwork.com>\n * @copyright 2014 Jason Mulligan\n * @license BSD-3 <https://raw.github.com/avoidwork/tiny-stack/master/LICENSE>\n * @link http://avoidwork.github.io/tiny-stack\n * @module tiny-stack\n * @version 0.1.0\n */\n\n( function ( global ) {\n\n\"use strict\";\n\n/**\n * TinyStack\n *\n * @constructor\n */\nfunction TinyStack () {\n\tthis.data = [null];\n\tthis.top = 0;\n}\n\n/**\n * Clears the stack\n *\n * @method clear\n * @memberOf TinyStack\n * @return {Object} {@link TinyStack}\n */\nTinyStack.prototype.clear = function clear () {\n\tthis.data = [null];\n\tthis.top = 0;\n\n\treturn this;\n};\n\n/**\n * Gets the size of the stack\n *\n * @method length\n * @memberOf TinyStack\n * @return {Number} Size of stack\n */\nTinyStack.prototype.length = function length () {\n\treturn this.top;\n};\n\n/**\n * Gets the item at the top of the stack\n *\n * @method peek\n * @memberOf TinyStack\n * @return {Mixed} Item at the top of the stack\n */\nTinyStack.prototype.peek = function peek () {\n\treturn this.data[this.top];\n};\n\n/**\n * Gets & removes the item at the top of the stack\n *\n * @method pop\n * @memberOf TinyStack\n * @return {Mixed} Item at the top of the stack\n */\nTinyStack.prototype.pop = function pop () {\n\tif ( this.top > 0 ) {\n\t\tthis.top--;\n\n\t\treturn this.data.pop();\n\t}\n\telse {\n\t\treturn undefined;\n\t}\n};\n\n/**\n * Pushes an item onto the stack\n *\n * @method push\n * @memberOf TinyStack\n * @return {Object} {@link TinyStack}\n */\nTinyStack.prototype.push = function push ( arg ) {\n\tthis.data[++this.top] = arg;\n\n\treturn this;\n};\n\n/**\n * TinyStack factory\n *\n * @method factory\n * @return {Object} {@link TinyStack}\n */\nfunction factory () {\n\treturn new TinyStack();\n}\n\n// Node, AMD & window supported\nif ( typeof exports != \"undefined\" ) {\n\tmodule.exports = factory;\n}\nelse if ( typeof define == \"function\" ) {\n\tdefine( function () {\n\t\treturn factory;\n\t} );\n}\nelse {\n\tglobal.stack = factory;\n}\n} )( this );\n","module.exports = require(84);","'use strict';\n\nfunction Base() { }\n\nBase.prototype.get = function(name) {\n return this.$model.properties.get(this, name);\n};\n\nBase.prototype.set = function(name, value) {\n this.$model.properties.set(this, name, value);\n};\n\n\nmodule.exports = Base;","'use strict';\n\nvar pick = require(383),\n assign = require(377),\n forEach = require(255);\n\nvar parseNameNs = require(85).parseName;\n\n\nfunction DescriptorBuilder(nameNs) {\n this.ns = nameNs;\n this.name = nameNs.name;\n this.allTypes = [];\n this.properties = [];\n this.propertiesByName = {};\n}\n\nmodule.exports = DescriptorBuilder;\n\n\nDescriptorBuilder.prototype.build = function() {\n return pick(this, [\n 'ns',\n 'name',\n 'allTypes',\n 'properties',\n 'propertiesByName',\n 'bodyProperty',\n 'idProperty'\n ]);\n};\n\n/**\n * Add property at given index.\n *\n * @param {Object} p\n * @param {Number} [idx]\n * @param {Boolean} [validate=true]\n */\nDescriptorBuilder.prototype.addProperty = function(p, idx, validate) {\n\n if (typeof idx === 'boolean') {\n validate = idx;\n idx = undefined;\n }\n\n this.addNamedProperty(p, validate !== false);\n\n var properties = this.properties;\n\n if (idx !== undefined) {\n properties.splice(idx, 0, p);\n } else {\n properties.push(p);\n }\n};\n\n\nDescriptorBuilder.prototype.replaceProperty = function(oldProperty, newProperty, replace) {\n var oldNameNs = oldProperty.ns;\n\n var props = this.properties,\n propertiesByName = this.propertiesByName,\n rename = oldProperty.name !== newProperty.name;\n\n if (oldProperty.isId) {\n if (!newProperty.isId) {\n throw new Error(\n 'property <' + newProperty.ns.name + '> must be id property ' +\n 'to refine <' + oldProperty.ns.name + '>');\n }\n\n this.setIdProperty(newProperty, false);\n }\n\n if (oldProperty.isBody) {\n\n if (!newProperty.isBody) {\n throw new Error(\n 'property <' + newProperty.ns.name + '> must be body property ' +\n 'to refine <' + oldProperty.ns.name + '>');\n }\n\n // TODO: Check compatibility\n this.setBodyProperty(newProperty, false);\n }\n\n // validate existence and get location of old property\n var idx = props.indexOf(oldProperty);\n if (idx === -1) {\n throw new Error('property <' + oldNameNs.name + '> not found in property list');\n }\n\n // remove old property\n props.splice(idx, 1);\n\n // replacing the named property is intentional\n //\n // * validate only if this is a \"rename\" operation\n // * add at specific index unless we \"replace\"\n //\n this.addProperty(newProperty, replace ? undefined : idx, rename);\n\n // make new property available under old name\n propertiesByName[oldNameNs.name] = propertiesByName[oldNameNs.localName] = newProperty;\n};\n\n\nDescriptorBuilder.prototype.redefineProperty = function(p, targetPropertyName, replace) {\n\n var nsPrefix = p.ns.prefix;\n var parts = targetPropertyName.split('#');\n\n var name = parseNameNs(parts[0], nsPrefix);\n var attrName = parseNameNs(parts[1], name.prefix).name;\n\n var redefinedProperty = this.propertiesByName[attrName];\n if (!redefinedProperty) {\n throw new Error('refined property <' + attrName + '> not found');\n } else {\n this.replaceProperty(redefinedProperty, p, replace);\n }\n\n delete p.redefines;\n};\n\nDescriptorBuilder.prototype.addNamedProperty = function(p, validate) {\n var ns = p.ns,\n propsByName = this.propertiesByName;\n\n if (validate) {\n this.assertNotDefined(p, ns.name);\n this.assertNotDefined(p, ns.localName);\n }\n\n propsByName[ns.name] = propsByName[ns.localName] = p;\n};\n\nDescriptorBuilder.prototype.removeNamedProperty = function(p) {\n var ns = p.ns,\n propsByName = this.propertiesByName;\n\n delete propsByName[ns.name];\n delete propsByName[ns.localName];\n};\n\nDescriptorBuilder.prototype.setBodyProperty = function(p, validate) {\n\n if (validate && this.bodyProperty) {\n throw new Error(\n 'body property defined multiple times ' +\n '(<' + this.bodyProperty.ns.name + '>, <' + p.ns.name + '>)');\n }\n\n this.bodyProperty = p;\n};\n\nDescriptorBuilder.prototype.setIdProperty = function(p, validate) {\n\n if (validate && this.idProperty) {\n throw new Error(\n 'id property defined multiple times ' +\n '(<' + this.idProperty.ns.name + '>, <' + p.ns.name + '>)');\n }\n\n this.idProperty = p;\n};\n\nDescriptorBuilder.prototype.assertNotDefined = function(p, name) {\n var propertyName = p.name,\n definedProperty = this.propertiesByName[propertyName];\n\n if (definedProperty) {\n throw new Error(\n 'property <' + propertyName + '> already defined; ' +\n 'override of <' + definedProperty.definedBy.ns.name + '#' + definedProperty.ns.name + '> by ' +\n '<' + p.definedBy.ns.name + '#' + p.ns.name + '> not allowed without redefines');\n }\n};\n\nDescriptorBuilder.prototype.hasProperty = function(name) {\n return this.propertiesByName[name];\n};\n\nDescriptorBuilder.prototype.addTrait = function(t, inherited) {\n\n var allTypes = this.allTypes;\n\n if (allTypes.indexOf(t) !== -1) {\n return;\n }\n\n forEach(t.properties, function(p) {\n\n // clone property to allow extensions\n p = assign({}, p, {\n name: p.ns.localName,\n inherited: inherited\n });\n\n Object.defineProperty(p, 'definedBy', {\n value: t\n });\n\n var replaces = p.replaces,\n redefines = p.redefines;\n\n // add replace/redefine support\n if (replaces || redefines) {\n this.redefineProperty(p, replaces || redefines, replaces);\n } else {\n if (p.isBody) {\n this.setBodyProperty(p);\n }\n if (p.isId) {\n this.setIdProperty(p);\n }\n this.addProperty(p);\n }\n }, this);\n\n allTypes.push(t);\n};\n","'use strict';\n\nvar forEach = require(255);\n\nvar Base = require(81);\n\n\nfunction Factory(model, properties) {\n this.model = model;\n this.properties = properties;\n}\n\nmodule.exports = Factory;\n\n\nFactory.prototype.createType = function(descriptor) {\n\n var model = this.model;\n\n var props = this.properties,\n prototype = Object.create(Base.prototype);\n\n // initialize default values\n forEach(descriptor.properties, function(p) {\n if (!p.isMany && p.default !== undefined) {\n prototype[p.name] = p.default;\n }\n });\n\n props.defineModel(prototype, model);\n props.defineDescriptor(prototype, descriptor);\n\n var name = descriptor.ns.name;\n\n /**\n * The new type constructor\n */\n function ModdleElement(attrs) {\n props.define(this, '$type', { value: name, enumerable: true });\n props.define(this, '$attrs', { value: {} });\n props.define(this, '$parent', { writable: true });\n\n forEach(attrs, function(val, key) {\n this.set(key, val);\n }, this);\n }\n\n ModdleElement.prototype = prototype;\n\n ModdleElement.hasType = prototype.$instanceOf = this.model.hasType;\n\n // static links\n props.defineModel(ModdleElement, model);\n props.defineDescriptor(ModdleElement, descriptor);\n\n return ModdleElement;\n};","'use strict';\n\nvar isString = require(374),\n isObject = require(372),\n forEach = require(255),\n find = require(254);\n\n\nvar Factory = require(83),\n Registry = require(87),\n Properties = require(86);\n\nvar parseNameNs = require(85).parseName;\n\n\n//// Moddle implementation /////////////////////////////////////////////////\n\n/**\n * @class Moddle\n *\n * A model that can be used to create elements of a specific type.\n *\n * @example\n *\n * var Moddle = require('moddle');\n *\n * var pkg = {\n * name: 'mypackage',\n * prefix: 'my',\n * types: [\n * { name: 'Root' }\n * ]\n * };\n *\n * var moddle = new Moddle([pkg]);\n *\n * @param {Array<Package>} packages the packages to contain\n */\nfunction Moddle(packages) {\n\n this.properties = new Properties(this);\n\n this.factory = new Factory(this, this.properties);\n this.registry = new Registry(packages, this.properties);\n\n this.typeCache = {};\n}\n\nmodule.exports = Moddle;\n\n\n/**\n * Create an instance of the specified type.\n *\n * @method Moddle#create\n *\n * @example\n *\n * var foo = moddle.create('my:Foo');\n * var bar = moddle.create('my:Bar', { id: 'BAR_1' });\n *\n * @param {String|Object} descriptor the type descriptor or name know to the model\n * @param {Object} attrs a number of attributes to initialize the model instance with\n * @return {Object} model instance\n */\nModdle.prototype.create = function(descriptor, attrs) {\n var Type = this.getType(descriptor);\n\n if (!Type) {\n throw new Error('unknown type <' + descriptor + '>');\n }\n\n return new Type(attrs);\n};\n\n\n/**\n * Returns the type representing a given descriptor\n *\n * @method Moddle#getType\n *\n * @example\n *\n * var Foo = moddle.getType('my:Foo');\n * var foo = new Foo({ 'id' : 'FOO_1' });\n *\n * @param {String|Object} descriptor the type descriptor or name know to the model\n * @return {Object} the type representing the descriptor\n */\nModdle.prototype.getType = function(descriptor) {\n\n var cache = this.typeCache;\n\n var name = isString(descriptor) ? descriptor : descriptor.ns.name;\n\n var type = cache[name];\n\n if (!type) {\n descriptor = this.registry.getEffectiveDescriptor(name);\n type = cache[name] = this.factory.createType(descriptor);\n }\n\n return type;\n};\n\n\n/**\n * Creates an any-element type to be used within model instances.\n *\n * This can be used to create custom elements that lie outside the meta-model.\n * The created element contains all the meta-data required to serialize it\n * as part of meta-model elements.\n *\n * @method Moddle#createAny\n *\n * @example\n *\n * var foo = moddle.createAny('vendor:Foo', 'http://vendor', {\n * value: 'bar'\n * });\n *\n * var container = moddle.create('my:Container', 'http://my', {\n * any: [ foo ]\n * });\n *\n * // go ahead and serialize the stuff\n *\n *\n * @param {String} name the name of the element\n * @param {String} nsUri the namespace uri of the element\n * @param {Object} [properties] a map of properties to initialize the instance with\n * @return {Object} the any type instance\n */\nModdle.prototype.createAny = function(name, nsUri, properties) {\n\n var nameNs = parseNameNs(name);\n\n var element = {\n $type: name\n };\n\n var descriptor = {\n name: name,\n isGeneric: true,\n ns: {\n prefix: nameNs.prefix,\n localName: nameNs.localName,\n uri: nsUri\n }\n };\n\n this.properties.defineDescriptor(element, descriptor);\n this.properties.defineModel(element, this);\n this.properties.define(element, '$parent', { enumerable: false, writable: true });\n\n forEach(properties, function(a, key) {\n if (isObject(a) && a.value !== undefined) {\n element[a.name] = a.value;\n } else {\n element[key] = a;\n }\n });\n\n return element;\n};\n\n/**\n * Returns a registered package by uri or prefix\n *\n * @return {Object} the package\n */\nModdle.prototype.getPackage = function(uriOrPrefix) {\n return this.registry.getPackage(uriOrPrefix);\n};\n\n/**\n * Returns a snapshot of all known packages\n *\n * @return {Object} the package\n */\nModdle.prototype.getPackages = function() {\n return this.registry.getPackages();\n};\n\n/**\n * Returns the descriptor for an element\n */\nModdle.prototype.getElementDescriptor = function(element) {\n return element.$descriptor;\n};\n\n/**\n * Returns true if the given descriptor or instance\n * represents the given type.\n *\n * May be applied to this, if element is omitted.\n */\nModdle.prototype.hasType = function(element, type) {\n if (type === undefined) {\n type = element;\n element = this;\n }\n\n var descriptor = element.$model.getElementDescriptor(element);\n\n return !!find(descriptor.allTypes, function(t) {\n return t.name === type;\n });\n};\n\n\n/**\n * Returns the descriptor of an elements named property\n */\nModdle.prototype.getPropertyDescriptor = function(element, property) {\n return this.getElementDescriptor(element).propertiesByName[property];\n};\n","'use strict';\n\n/**\n * Parses a namespaced attribute name of the form (ns:)localName to an object,\n * given a default prefix to assume in case no explicit namespace is given.\n *\n * @param {String} name\n * @param {String} [defaultPrefix] the default prefix to take, if none is present.\n *\n * @return {Object} the parsed name\n */\nmodule.exports.parseName = function(name, defaultPrefix) {\n var parts = name.split(/:/),\n localName, prefix;\n\n // no prefix (i.e. only local name)\n if (parts.length === 1) {\n localName = name;\n prefix = defaultPrefix;\n } else\n // prefix + local name\n if (parts.length === 2) {\n localName = parts[1];\n prefix = parts[0];\n } else {\n throw new Error('expected <prefix:localName> or <localName>, got ' + name);\n }\n\n name = (prefix ? prefix + ':' : '') + localName;\n\n return {\n name: name,\n prefix: prefix,\n localName: localName\n };\n};","'use strict';\n\n\n/**\n * A utility that gets and sets properties of model elements.\n *\n * @param {Model} model\n */\nfunction Properties(model) {\n this.model = model;\n}\n\nmodule.exports = Properties;\n\n\n/**\n * Sets a named property on the target element.\n * If the value is undefined, the property gets deleted.\n *\n * @param {Object} target\n * @param {String} name\n * @param {Object} value\n */\nProperties.prototype.set = function(target, name, value) {\n\n var property = this.model.getPropertyDescriptor(target, name);\n\n var propertyName = property && property.name;\n\n if (isUndefined(value)) {\n // unset the property, if the specified value is undefined;\n // delete from $attrs (for extensions) or the target itself\n if (property) {\n delete target[propertyName];\n } else {\n delete target.$attrs[name];\n }\n } else {\n // set the property, defining well defined properties on the fly\n // or simply updating them in target.$attrs (for extensions)\n if (property) {\n if (propertyName in target) {\n target[propertyName] = value;\n } else {\n defineProperty(target, property, value);\n }\n } else {\n target.$attrs[name] = value;\n }\n }\n};\n\n/**\n * Returns the named property of the given element\n *\n * @param {Object} target\n * @param {String} name\n *\n * @return {Object}\n */\nProperties.prototype.get = function(target, name) {\n\n var property = this.model.getPropertyDescriptor(target, name);\n\n if (!property) {\n return target.$attrs[name];\n }\n\n var propertyName = property.name;\n\n // check if access to collection property and lazily initialize it\n if (!target[propertyName] && property.isMany) {\n defineProperty(target, property, []);\n }\n\n return target[propertyName];\n};\n\n\n/**\n * Define a property on the target element\n *\n * @param {Object} target\n * @param {String} name\n * @param {Object} options\n */\nProperties.prototype.define = function(target, name, options) {\n Object.defineProperty(target, name, options);\n};\n\n\n/**\n * Define the descriptor for an element\n */\nProperties.prototype.defineDescriptor = function(target, descriptor) {\n this.define(target, '$descriptor', { value: descriptor });\n};\n\n/**\n * Define the model for an element\n */\nProperties.prototype.defineModel = function(target, model) {\n this.define(target, '$model', { value: model });\n};\n\n\nfunction isUndefined(val) {\n return typeof val === 'undefined';\n}\n\nfunction defineProperty(target, property, value) {\n Object.defineProperty(target, property.name, {\n enumerable: !property.isReference,\n writable: true,\n value: value,\n configurable: true\n });\n}","'use strict';\n\nvar assign = require(377),\n forEach = require(255);\n\nvar Types = require(88),\n DescriptorBuilder = require(82);\n\nvar parseNameNs = require(85).parseName,\n isBuiltInType = Types.isBuiltIn;\n\n\nfunction Registry(packages, properties) {\n this.packageMap = {};\n this.typeMap = {};\n\n this.packages = [];\n\n this.properties = properties;\n\n forEach(packages, this.registerPackage, this);\n}\n\nmodule.exports = Registry;\n\n\nRegistry.prototype.getPackage = function(uriOrPrefix) {\n return this.packageMap[uriOrPrefix];\n};\n\nRegistry.prototype.getPackages = function() {\n return this.packages;\n};\n\n\nRegistry.prototype.registerPackage = function(pkg) {\n\n // copy package\n pkg = assign({}, pkg);\n\n // register types\n forEach(pkg.types, function(descriptor) {\n this.registerType(descriptor, pkg);\n }, this);\n\n this.packageMap[pkg.uri] = this.packageMap[pkg.prefix] = pkg;\n this.packages.push(pkg);\n};\n\n\n/**\n * Register a type from a specific package with us\n */\nRegistry.prototype.registerType = function(type, pkg) {\n\n type = assign({}, type, {\n superClass: (type.superClass || []).slice(),\n extends: (type.extends || []).slice(),\n properties: (type.properties || []).slice()\n });\n\n var ns = parseNameNs(type.name, pkg.prefix),\n name = ns.name,\n propertiesByName = {};\n\n // parse properties\n forEach(type.properties, function(p) {\n\n // namespace property names\n var propertyNs = parseNameNs(p.name, ns.prefix),\n propertyName = propertyNs.name;\n\n // namespace property types\n if (!isBuiltInType(p.type)) {\n p.type = parseNameNs(p.type, propertyNs.prefix).name;\n }\n\n assign(p, {\n ns: propertyNs,\n name: propertyName\n });\n\n propertiesByName[propertyName] = p;\n });\n\n // update ns + name\n assign(type, {\n ns: ns,\n name: name,\n propertiesByName: propertiesByName\n });\n\n forEach(type.extends, function(extendsName) {\n var extended = this.typeMap[extendsName];\n\n extended.traits = extended.traits || [];\n extended.traits.push(name);\n }, this);\n\n // link to package\n this.definePackage(type, pkg);\n\n // register\n this.typeMap[name] = type;\n};\n\n\n/**\n * Traverse the type hierarchy from bottom to top,\n * calling iterator with (type, inherited) for all elements in\n * the inheritance chain.\n *\n * @param {Object} nsName\n * @param {Function} iterator\n * @param {Boolean} [trait=false]\n */\nRegistry.prototype.mapTypes = function(nsName, iterator, trait) {\n\n var type = isBuiltInType(nsName.name) ? { name: nsName.name } : this.typeMap[nsName.name];\n\n var self = this;\n\n /**\n * Traverse the selected trait.\n *\n * @param {String} cls\n */\n function traverseTrait(cls) {\n return traverseSuper(cls, true);\n }\n\n /**\n * Traverse the selected super type or trait\n *\n * @param {String} cls\n * @param {Boolean} [trait=false]\n */\n function traverseSuper(cls, trait) {\n var parentNs = parseNameNs(cls, isBuiltInType(cls) ? '' : nsName.prefix);\n self.mapTypes(parentNs, iterator, trait);\n }\n\n if (!type) {\n throw new Error('unknown type <' + nsName.name + '>');\n }\n\n forEach(type.superClass, trait ? traverseTrait : traverseSuper);\n\n // call iterator with (type, inherited=!trait)\n iterator(type, !trait);\n\n forEach(type.traits, traverseTrait);\n};\n\n\n/**\n * Returns the effective descriptor for a type.\n *\n * @param {String} type the namespaced name (ns:localName) of the type\n *\n * @return {Descriptor} the resulting effective descriptor\n */\nRegistry.prototype.getEffectiveDescriptor = function(name) {\n\n var nsName = parseNameNs(name);\n\n var builder = new DescriptorBuilder(nsName);\n\n this.mapTypes(nsName, function(type, inherited) {\n builder.addTrait(type, inherited);\n });\n\n var descriptor = builder.build();\n\n // define package link\n this.definePackage(descriptor, descriptor.allTypes[descriptor.allTypes.length - 1].$pkg);\n\n return descriptor;\n};\n\n\nRegistry.prototype.definePackage = function(target, pkg) {\n this.properties.define(target, '$pkg', { value: pkg });\n};","'use strict';\n\n/**\n * Built-in moddle types\n */\nvar BUILTINS = {\n String: true,\n Boolean: true,\n Integer: true,\n Real: true,\n Element: true\n};\n\n/**\n * Converters for built in types from string representations\n */\nvar TYPE_CONVERTERS = {\n String: function(s) { return s; },\n Boolean: function(s) { return s === 'true'; },\n Integer: function(s) { return parseInt(s, 10); },\n Real: function(s) { return parseFloat(s, 10); }\n};\n\n/**\n * Convert a type to its real representation\n */\nmodule.exports.coerceType = function(type, value) {\n\n var converter = TYPE_CONVERTERS[type];\n\n if (converter) {\n return converter(value);\n } else {\n return value;\n }\n};\n\n/**\n * Return whether the given type is built-in\n */\nmodule.exports.isBuiltIn = function(type) {\n return !!BUILTINS[type];\n};\n\n/**\n * Return whether the given type is simple\n */\nmodule.exports.isSimple = function(type) {\n return !!TYPE_CONVERTERS[type];\n};","module.exports={\n \"name\": \"BPMN20\",\n \"uri\": \"http://www.omg.org/spec/BPMN/20100524/MODEL\",\n \"associations\": [],\n \"types\": [\n {\n \"name\": \"Interface\",\n \"superClass\": [\n \"RootElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"operations\",\n \"type\": \"Operation\",\n \"isMany\": true\n },\n {\n \"name\": \"implementationRef\",\n \"type\": \"String\",\n \"isAttr\": true\n }\n ]\n },\n {\n \"name\": \"Operation\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"inMessageRef\",\n \"type\": \"Message\",\n \"isReference\": true\n },\n {\n \"name\": \"outMessageRef\",\n \"type\": \"Message\",\n \"isReference\": true\n },\n {\n \"name\": \"errorRef\",\n \"type\": \"Error\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"implementationRef\",\n \"type\": \"String\",\n \"isAttr\": true\n }\n ]\n },\n {\n \"name\": \"EndPoint\",\n \"superClass\": [\n \"RootElement\"\n ]\n },\n {\n \"name\": \"Auditing\",\n \"superClass\": [\n \"BaseElement\"\n ]\n },\n {\n \"name\": \"GlobalTask\",\n \"superClass\": [\n \"CallableElement\"\n ],\n \"properties\": [\n {\n \"name\": \"resources\",\n \"type\": \"ResourceRole\",\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"Monitoring\",\n \"superClass\": [\n \"BaseElement\"\n ]\n },\n {\n \"name\": \"Performer\",\n \"superClass\": [\n \"ResourceRole\"\n ]\n },\n {\n \"name\": \"Process\",\n \"superClass\": [\n \"FlowElementsContainer\",\n \"CallableElement\"\n ],\n \"properties\": [\n {\n \"name\": \"processType\",\n \"type\": \"ProcessType\",\n \"isAttr\": true\n },\n {\n \"name\": \"isClosed\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"auditing\",\n \"type\": \"Auditing\"\n },\n {\n \"name\": \"monitoring\",\n \"type\": \"Monitoring\"\n },\n {\n \"name\": \"properties\",\n \"type\": \"Property\",\n \"isMany\": true\n },\n {\n \"name\": \"laneSets\",\n \"type\": \"LaneSet\",\n \"isMany\": true,\n \"replaces\": \"FlowElementsContainer#laneSets\"\n },\n {\n \"name\": \"flowElements\",\n \"type\": \"FlowElement\",\n \"isMany\": true,\n \"replaces\": \"FlowElementsContainer#flowElements\"\n },\n {\n \"name\": \"artifacts\",\n \"type\": \"Artifact\",\n \"isMany\": true\n },\n {\n \"name\": \"resources\",\n \"type\": \"ResourceRole\",\n \"isMany\": true\n },\n {\n \"name\": \"correlationSubscriptions\",\n \"type\": \"CorrelationSubscription\",\n \"isMany\": true\n },\n {\n \"name\": \"supports\",\n \"type\": \"Process\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"definitionalCollaborationRef\",\n \"type\": \"Collaboration\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"isExecutable\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n }\n ]\n },\n {\n \"name\": \"LaneSet\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"lanes\",\n \"type\": \"Lane\",\n \"isMany\": true\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"Lane\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"partitionElementRef\",\n \"type\": \"BaseElement\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"partitionElement\",\n \"type\": \"BaseElement\"\n },\n {\n \"name\": \"flowNodeRef\",\n \"type\": \"FlowNode\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"childLaneSet\",\n \"type\": \"LaneSet\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n }\n ]\n },\n {\n \"name\": \"GlobalManualTask\",\n \"superClass\": [\n \"GlobalTask\"\n ]\n },\n {\n \"name\": \"ManualTask\",\n \"superClass\": [\n \"Task\"\n ]\n },\n {\n \"name\": \"UserTask\",\n \"superClass\": [\n \"Task\"\n ],\n \"properties\": [\n {\n \"name\": \"renderings\",\n \"type\": \"Rendering\",\n \"isMany\": true\n },\n {\n \"name\": \"implementation\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"Rendering\",\n \"superClass\": [\n \"BaseElement\"\n ]\n },\n {\n \"name\": \"HumanPerformer\",\n \"superClass\": [\n \"Performer\"\n ]\n },\n {\n \"name\": \"PotentialOwner\",\n \"superClass\": [\n \"HumanPerformer\"\n ]\n },\n {\n \"name\": \"GlobalUserTask\",\n \"superClass\": [\n \"GlobalTask\"\n ],\n \"properties\": [\n {\n \"name\": \"implementation\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"renderings\",\n \"type\": \"Rendering\",\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"Gateway\",\n \"isAbstract\": true,\n \"superClass\": [\n \"FlowNode\"\n ],\n \"properties\": [\n {\n \"name\": \"gatewayDirection\",\n \"type\": \"GatewayDirection\",\n \"default\": \"Unspecified\",\n \"isAttr\": true\n }\n ]\n },\n {\n \"name\": \"EventBasedGateway\",\n \"superClass\": [\n \"Gateway\"\n ],\n \"properties\": [\n {\n \"name\": \"instantiate\",\n \"default\": false,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"eventGatewayType\",\n \"type\": \"EventBasedGatewayType\",\n \"isAttr\": true,\n \"default\": \"Exclusive\"\n }\n ]\n },\n {\n \"name\": \"ComplexGateway\",\n \"superClass\": [\n \"Gateway\"\n ],\n \"properties\": [\n {\n \"name\": \"activationCondition\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n },\n {\n \"name\": \"default\",\n \"type\": \"SequenceFlow\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"ExclusiveGateway\",\n \"superClass\": [\n \"Gateway\"\n ],\n \"properties\": [\n {\n \"name\": \"default\",\n \"type\": \"SequenceFlow\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"InclusiveGateway\",\n \"superClass\": [\n \"Gateway\"\n ],\n \"properties\": [\n {\n \"name\": \"default\",\n \"type\": \"SequenceFlow\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"ParallelGateway\",\n \"superClass\": [\n \"Gateway\"\n ]\n },\n {\n \"name\": \"RootElement\",\n \"isAbstract\": true,\n \"superClass\": [\n \"BaseElement\"\n ]\n },\n {\n \"name\": \"Relationship\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"type\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"direction\",\n \"type\": \"RelationshipDirection\",\n \"isAttr\": true\n },\n {\n \"name\": \"source\",\n \"isMany\": true,\n \"isReference\": true,\n \"type\": \"Element\"\n },\n {\n \"name\": \"target\",\n \"isMany\": true,\n \"isReference\": true,\n \"type\": \"Element\"\n }\n ]\n },\n {\n \"name\": \"BaseElement\",\n \"isAbstract\": true,\n \"properties\": [\n {\n \"name\": \"id\",\n \"isAttr\": true,\n \"type\": \"String\",\n \"isId\": true\n },\n {\n \"name\": \"documentation\",\n \"type\": \"Documentation\",\n \"isMany\": true\n },\n {\n \"name\": \"extensionDefinitions\",\n \"type\": \"ExtensionDefinition\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"extensionElements\",\n \"type\": \"ExtensionElements\"\n }\n ]\n },\n {\n \"name\": \"Extension\",\n \"properties\": [\n {\n \"name\": \"mustUnderstand\",\n \"default\": false,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"definition\",\n \"type\": \"ExtensionDefinition\"\n }\n ]\n },\n {\n \"name\": \"ExtensionDefinition\",\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"extensionAttributeDefinitions\",\n \"type\": \"ExtensionAttributeDefinition\",\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"ExtensionAttributeDefinition\",\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"type\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"isReference\",\n \"default\": false,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"extensionDefinition\",\n \"type\": \"ExtensionDefinition\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"ExtensionElements\",\n \"properties\": [\n {\n \"name\": \"valueRef\",\n \"isAttr\": true,\n \"isReference\": true,\n \"type\": \"Element\"\n },\n {\n \"name\": \"values\",\n \"type\": \"Element\",\n \"isMany\": true\n },\n {\n \"name\": \"extensionAttributeDefinition\",\n \"type\": \"ExtensionAttributeDefinition\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"Documentation\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"text\",\n \"type\": \"String\",\n \"isBody\": true\n },\n {\n \"name\": \"textFormat\",\n \"default\": \"text/plain\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"Event\",\n \"isAbstract\": true,\n \"superClass\": [\n \"FlowNode\",\n \"InteractionNode\"\n ],\n \"properties\": [\n {\n \"name\": \"properties\",\n \"type\": \"Property\",\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"IntermediateCatchEvent\",\n \"superClass\": [\n \"CatchEvent\"\n ]\n },\n {\n \"name\": \"IntermediateThrowEvent\",\n \"superClass\": [\n \"ThrowEvent\"\n ]\n },\n {\n \"name\": \"EndEvent\",\n \"superClass\": [\n \"ThrowEvent\"\n ]\n },\n {\n \"name\": \"StartEvent\",\n \"superClass\": [\n \"CatchEvent\"\n ],\n \"properties\": [\n {\n \"name\": \"isInterrupting\",\n \"default\": true,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n }\n ]\n },\n {\n \"name\": \"ThrowEvent\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Event\"\n ],\n \"properties\": [\n {\n \"name\": \"dataInputs\",\n \"type\": \"DataInput\",\n \"isMany\": true\n },\n {\n \"name\": \"dataInputAssociations\",\n \"type\": \"DataInputAssociation\",\n \"isMany\": true\n },\n {\n \"name\": \"inputSet\",\n \"type\": \"InputSet\"\n },\n {\n \"name\": \"eventDefinitions\",\n \"type\": \"EventDefinition\",\n \"isMany\": true\n },\n {\n \"name\": \"eventDefinitionRef\",\n \"type\": \"EventDefinition\",\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"CatchEvent\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Event\"\n ],\n \"properties\": [\n {\n \"name\": \"parallelMultiple\",\n \"isAttr\": true,\n \"type\": \"Boolean\",\n \"default\": false\n },\n {\n \"name\": \"dataOutputs\",\n \"type\": \"DataOutput\",\n \"isMany\": true\n },\n {\n \"name\": \"dataOutputAssociations\",\n \"type\": \"DataOutputAssociation\",\n \"isMany\": true\n },\n {\n \"name\": \"outputSet\",\n \"type\": \"OutputSet\"\n },\n {\n \"name\": \"eventDefinitions\",\n \"type\": \"EventDefinition\",\n \"isMany\": true\n },\n {\n \"name\": \"eventDefinitionRef\",\n \"type\": \"EventDefinition\",\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"BoundaryEvent\",\n \"superClass\": [\n \"CatchEvent\"\n ],\n \"properties\": [\n {\n \"name\": \"cancelActivity\",\n \"default\": true,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"attachedToRef\",\n \"type\": \"Activity\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"EventDefinition\",\n \"isAbstract\": true,\n \"superClass\": [\n \"RootElement\"\n ]\n },\n {\n \"name\": \"CancelEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ]\n },\n {\n \"name\": \"ErrorEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"errorRef\",\n \"type\": \"Error\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"TerminateEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ]\n },\n {\n \"name\": \"EscalationEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"escalationRef\",\n \"type\": \"Escalation\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"Escalation\",\n \"properties\": [\n {\n \"name\": \"structureRef\",\n \"type\": \"ItemDefinition\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"escalationCode\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ],\n \"superClass\": [\n \"RootElement\"\n ]\n },\n {\n \"name\": \"CompensateEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"waitForCompletion\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"activityRef\",\n \"type\": \"Activity\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"TimerEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"timeDate\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n },\n {\n \"name\": \"timeCycle\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n },\n {\n \"name\": \"timeDuration\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n }\n ]\n },\n {\n \"name\": \"LinkEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"target\",\n \"type\": \"LinkEventDefinition\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"source\",\n \"type\": \"LinkEventDefinition\",\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"MessageEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"messageRef\",\n \"type\": \"Message\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"operationRef\",\n \"type\": \"Operation\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"ConditionalEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"condition\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n }\n ]\n },\n {\n \"name\": \"SignalEventDefinition\",\n \"superClass\": [\n \"EventDefinition\"\n ],\n \"properties\": [\n {\n \"name\": \"signalRef\",\n \"type\": \"Signal\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"Signal\",\n \"superClass\": [\n \"RootElement\"\n ],\n \"properties\": [\n {\n \"name\": \"structureRef\",\n \"type\": \"ItemDefinition\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"ImplicitThrowEvent\",\n \"superClass\": [\n \"ThrowEvent\"\n ]\n },\n {\n \"name\": \"DataState\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"ItemAwareElement\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"itemSubjectRef\",\n \"type\": \"ItemDefinition\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"dataState\",\n \"type\": \"DataState\"\n }\n ]\n },\n {\n \"name\": \"DataAssociation\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"assignment\",\n \"type\": \"Assignment\",\n \"isMany\": true\n },\n {\n \"name\": \"sourceRef\",\n \"type\": \"ItemAwareElement\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"targetRef\",\n \"type\": \"ItemAwareElement\",\n \"isReference\": true\n },\n {\n \"name\": \"transformation\",\n \"type\": \"FormalExpression\",\n \"xml\": {\n \"serialize\": \"property\"\n }\n }\n ]\n },\n {\n \"name\": \"DataInput\",\n \"superClass\": [\n \"ItemAwareElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"isCollection\",\n \"default\": false,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"inputSetRef\",\n \"type\": \"InputSet\",\n \"isVirtual\": true,\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"inputSetWithOptional\",\n \"type\": \"InputSet\",\n \"isVirtual\": true,\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"inputSetWithWhileExecuting\",\n \"type\": \"InputSet\",\n \"isVirtual\": true,\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"DataOutput\",\n \"superClass\": [\n \"ItemAwareElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"isCollection\",\n \"default\": false,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"outputSetRef\",\n \"type\": \"OutputSet\",\n \"isVirtual\": true,\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"outputSetWithOptional\",\n \"type\": \"OutputSet\",\n \"isVirtual\": true,\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"outputSetWithWhileExecuting\",\n \"type\": \"OutputSet\",\n \"isVirtual\": true,\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"InputSet\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"dataInputRefs\",\n \"type\": \"DataInput\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"optionalInputRefs\",\n \"type\": \"DataInput\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"whileExecutingInputRefs\",\n \"type\": \"DataInput\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"outputSetRefs\",\n \"type\": \"OutputSet\",\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"OutputSet\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"dataOutputRefs\",\n \"type\": \"DataOutput\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"inputSetRefs\",\n \"type\": \"InputSet\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"optionalOutputRefs\",\n \"type\": \"DataOutput\",\n \"isMany\": true,\n \"isReference\": true\n },\n {\n \"name\": \"whileExecutingOutputRefs\",\n \"type\": \"DataOutput\",\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"Property\",\n \"superClass\": [\n \"ItemAwareElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"DataInputAssociation\",\n \"superClass\": [\n \"DataAssociation\"\n ]\n },\n {\n \"name\": \"DataOutputAssociation\",\n \"superClass\": [\n \"DataAssociation\"\n ]\n },\n {\n \"name\": \"InputOutputSpecification\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"dataInputs\",\n \"type\": \"DataInput\",\n \"isMany\": true\n },\n {\n \"name\": \"dataOutputs\",\n \"type\": \"DataOutput\",\n \"isMany\": true\n },\n {\n \"name\": \"inputSets\",\n \"type\": \"InputSet\",\n \"isMany\": true\n },\n {\n \"name\": \"outputSets\",\n \"type\": \"OutputSet\",\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"DataObject\",\n \"superClass\": [\n \"FlowElement\",\n \"ItemAwareElement\"\n ],\n \"properties\": [\n {\n \"name\": \"isCollection\",\n \"default\": false,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n }\n ]\n },\n {\n \"name\": \"InputOutputBinding\",\n \"properties\": [\n {\n \"name\": \"inputDataRef\",\n \"type\": \"InputSet\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"outputDataRef\",\n \"type\": \"OutputSet\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"operationRef\",\n \"type\": \"Operation\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"Assignment\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"from\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n },\n {\n \"name\": \"to\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n }\n ]\n },\n {\n \"name\": \"DataStore\",\n \"superClass\": [\n \"RootElement\",\n \"ItemAwareElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"capacity\",\n \"isAttr\": true,\n \"type\": \"Integer\"\n },\n {\n \"name\": \"isUnlimited\",\n \"default\": true,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n }\n ]\n },\n {\n \"name\": \"DataStoreReference\",\n \"superClass\": [\n \"ItemAwareElement\",\n \"FlowElement\"\n ],\n \"properties\": [\n {\n \"name\": \"dataStoreRef\",\n \"type\": \"DataStore\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"DataObjectReference\",\n \"superClass\": [\n \"ItemAwareElement\",\n \"FlowElement\"\n ],\n \"properties\": [\n {\n \"name\": \"dataObjectRef\",\n \"type\": \"DataObject\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"ConversationLink\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"sourceRef\",\n \"type\": \"InteractionNode\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"targetRef\",\n \"type\": \"InteractionNode\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"ConversationAssociation\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"innerConversationNodeRef\",\n \"type\": \"ConversationNode\",\n \"isAttr\": true,\n \"isReference\": true\n },\n {\n \"name\": \"outerConversationNodeRef\",\n \"type\": \"ConversationNode\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"CallConversation\",\n \"superClass\": [\n \"ConversationNode\"\n ],\n \"properties\": [\n {\n \"name\": 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true\n }\n ]\n },\n {\n \"name\": \"ChoreographyTask\",\n \"superClass\": [\n \"ChoreographyActivity\"\n ],\n \"properties\": [\n {\n \"name\": \"messageFlowRef\",\n \"type\": \"MessageFlow\",\n \"isMany\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"Choreography\",\n \"superClass\": [\n \"FlowElementsContainer\",\n \"Collaboration\"\n ]\n },\n {\n \"name\": \"GlobalChoreographyTask\",\n \"superClass\": [\n \"Choreography\"\n ],\n \"properties\": [\n {\n \"name\": \"initiatingParticipantRef\",\n \"type\": \"Participant\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"TextAnnotation\",\n \"superClass\": [\n \"Artifact\"\n ],\n \"properties\": [\n {\n \"name\": \"text\",\n \"type\": \"String\"\n },\n {\n \"name\": \"textFormat\",\n \"default\": \"text/plain\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"Group\",\n \"superClass\": [\n \"Artifact\"\n ],\n \"properties\": [\n {\n \"name\": \"categoryValueRef\",\n 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\"cancelRemainingInstances\",\n \"default\": true,\n \"isAttr\": true,\n \"type\": \"Boolean\"\n }\n ]\n },\n {\n \"name\": \"Transaction\",\n \"superClass\": [\n \"SubProcess\"\n ],\n \"properties\": [\n {\n \"name\": \"protocol\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"method\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"GlobalScriptTask\",\n \"superClass\": [\n \"GlobalTask\"\n ],\n \"properties\": [\n {\n \"name\": \"scriptLanguage\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"script\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"GlobalBusinessRuleTask\",\n \"superClass\": [\n \"GlobalTask\"\n ],\n \"properties\": [\n {\n \"name\": \"implementation\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"ComplexBehaviorDefinition\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"condition\",\n \"type\": \"FormalExpression\"\n },\n {\n \"name\": \"event\",\n \"type\": \"ImplicitThrowEvent\"\n }\n ]\n },\n {\n \"name\": \"ResourceRole\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"resourceRef\",\n \"type\": \"Resource\",\n \"isReference\": true\n },\n {\n \"name\": \"resourceParameterBindings\",\n \"type\": \"ResourceParameterBinding\",\n \"isMany\": true\n },\n {\n \"name\": \"resourceAssignmentExpression\",\n \"type\": \"ResourceAssignmentExpression\"\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"ResourceParameterBinding\",\n \"properties\": [\n {\n \"name\": \"expression\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n },\n {\n \"name\": \"parameterRef\",\n \"type\": \"ResourceParameter\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ]\n },\n {\n \"name\": \"ResourceAssignmentExpression\",\n \"properties\": [\n {\n \"name\": \"expression\",\n \"type\": \"Expression\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n }\n ],\n \"superClass\": [\n \"BaseElement\"\n ]\n },\n {\n \"name\": \"Import\",\n \"properties\": [\n {\n \"name\": \"importType\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"location\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"namespace\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n },\n {\n \"name\": \"Definitions\",\n \"superClass\": [\n \"BaseElement\"\n ],\n \"properties\": [\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"targetNamespace\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"expressionLanguage\",\n \"default\": \"http://www.w3.org/1999/XPath\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"typeLanguage\",\n \"default\": \"http://www.w3.org/2001/XMLSchema\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"imports\",\n \"type\": \"Import\",\n \"isMany\": true\n },\n {\n \"name\": \"extensions\",\n \"type\": \"Extension\",\n \"isMany\": true\n },\n {\n \"name\": \"rootElements\",\n \"type\": \"RootElement\",\n \"isMany\": true\n },\n {\n \"name\": \"diagrams\",\n \"isMany\": true,\n \"type\": \"bpmndi:BPMNDiagram\"\n },\n {\n \"name\": \"exporter\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"relationships\",\n \"type\": \"Relationship\",\n \"isMany\": true\n },\n {\n \"name\": \"exporterVersion\",\n \"isAttr\": true,\n \"type\": \"String\"\n }\n ]\n }\n ],\n \"emumerations\": [\n {\n \"name\": \"ProcessType\",\n \"literalValues\": [\n {\n \"name\": \"None\"\n },\n {\n \"name\": \"Public\"\n },\n {\n \"name\": \"Private\"\n }\n ]\n },\n {\n \"name\": \"GatewayDirection\",\n \"literalValues\": [\n {\n \"name\": \"Unspecified\"\n },\n {\n \"name\": \"Converging\"\n },\n {\n \"name\": \"Diverging\"\n },\n {\n \"name\": \"Mixed\"\n }\n ]\n },\n {\n \"name\": \"EventBasedGatewayType\",\n \"literalValues\": [\n {\n \"name\": \"Parallel\"\n },\n {\n \"name\": \"Exclusive\"\n }\n ]\n },\n {\n \"name\": \"RelationshipDirection\",\n \"literalValues\": [\n {\n \"name\": \"None\"\n },\n {\n \"name\": \"Forward\"\n },\n {\n \"name\": \"Backward\"\n },\n {\n \"name\": \"Both\"\n }\n ]\n },\n {\n \"name\": \"ItemKind\",\n \"literalValues\": [\n {\n \"name\": \"Physical\"\n },\n {\n \"name\": \"Information\"\n }\n ]\n },\n {\n \"name\": \"ChoreographyLoopType\",\n \"literalValues\": [\n {\n \"name\": \"None\"\n },\n {\n \"name\": \"Standard\"\n },\n {\n \"name\": \"MultiInstanceSequential\"\n },\n {\n \"name\": \"MultiInstanceParallel\"\n }\n ]\n },\n {\n \"name\": \"AssociationDirection\",\n \"literalValues\": [\n {\n \"name\": \"None\"\n },\n {\n \"name\": \"One\"\n },\n {\n \"name\": \"Both\"\n }\n ]\n },\n {\n \"name\": \"MultiInstanceBehavior\",\n \"literalValues\": [\n {\n \"name\": \"None\"\n },\n {\n \"name\": \"One\"\n },\n {\n \"name\": \"All\"\n },\n {\n \"name\": \"Complex\"\n }\n ]\n },\n {\n \"name\": \"AdHocOrdering\",\n \"literalValues\": [\n {\n \"name\": \"Parallel\"\n },\n {\n \"name\": \"Sequential\"\n }\n ]\n }\n ],\n \"prefix\": \"bpmn\",\n \"xml\": {\n \"tagAlias\": \"lowerCase\",\n \"typePrefix\": \"t\"\n }\n}","module.exports={\n \"name\": \"BPMNDI\",\n \"uri\": \"http://www.omg.org/spec/BPMN/20100524/DI\",\n \"types\": [\n {\n \"name\": \"BPMNDiagram\",\n \"properties\": [\n {\n \"name\": \"plane\",\n \"type\": \"BPMNPlane\",\n \"redefines\": \"di:Diagram#rootElement\"\n },\n {\n \"name\": \"labelStyle\",\n \"type\": \"BPMNLabelStyle\",\n \"isMany\": true\n }\n ],\n \"superClass\": [\n \"di:Diagram\"\n ]\n },\n {\n \"name\": \"BPMNPlane\",\n \"properties\": [\n {\n \"name\": \"bpmnElement\",\n \"isAttr\": true,\n \"isReference\": true,\n \"type\": \"bpmn:BaseElement\",\n \"redefines\": \"di:DiagramElement#modelElement\"\n }\n ],\n \"superClass\": [\n \"di:Plane\"\n ]\n },\n {\n \"name\": \"BPMNShape\",\n \"properties\": [\n {\n \"name\": \"bpmnElement\",\n \"isAttr\": true,\n \"isReference\": true,\n \"type\": \"bpmn:BaseElement\",\n \"redefines\": \"di:DiagramElement#modelElement\"\n },\n {\n \"name\": \"isHorizontal\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"isExpanded\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"isMarkerVisible\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"label\",\n \"type\": \"BPMNLabel\"\n },\n {\n \"name\": \"isMessageVisible\",\n \"isAttr\": true,\n \"type\": \"Boolean\"\n },\n {\n \"name\": \"participantBandKind\",\n \"type\": \"ParticipantBandKind\",\n \"isAttr\": true\n },\n {\n \"name\": \"choreographyActivityShape\",\n \"type\": \"BPMNShape\",\n \"isAttr\": true,\n \"isReference\": true\n }\n ],\n \"superClass\": [\n \"di:LabeledShape\"\n ]\n },\n {\n \"name\": \"BPMNEdge\",\n \"properties\": [\n {\n \"name\": \"label\",\n \"type\": \"BPMNLabel\"\n },\n {\n \"name\": \"bpmnElement\",\n \"isAttr\": true,\n \"isReference\": true,\n \"type\": \"bpmn:BaseElement\",\n \"redefines\": \"di:DiagramElement#modelElement\"\n },\n {\n \"name\": \"sourceElement\",\n \"isAttr\": true,\n \"isReference\": true,\n \"type\": \"di:DiagramElement\",\n \"redefines\": \"di:Edge#source\"\n },\n {\n \"name\": \"targetElement\",\n \"isAttr\": true,\n \"isReference\": true,\n \"type\": \"di:DiagramElement\",\n \"redefines\": \"di:Edge#target\"\n },\n {\n \"name\": \"messageVisibleKind\",\n \"type\": \"MessageVisibleKind\",\n \"isAttr\": true,\n \"default\": \"initiating\"\n }\n ],\n \"superClass\": [\n \"di:LabeledEdge\"\n ]\n },\n {\n \"name\": \"BPMNLabel\",\n \"properties\": [\n {\n \"name\": \"labelStyle\",\n \"type\": \"BPMNLabelStyle\",\n \"isAttr\": true,\n \"isReference\": true,\n \"redefines\": \"di:DiagramElement#style\"\n }\n ],\n \"superClass\": [\n \"di:Label\"\n ]\n },\n {\n \"name\": \"BPMNLabelStyle\",\n \"properties\": [\n {\n \"name\": \"font\",\n \"type\": \"dc:Font\"\n }\n ],\n \"superClass\": [\n \"di:Style\"\n ]\n }\n ],\n \"emumerations\": [\n {\n \"name\": \"ParticipantBandKind\",\n \"literalValues\": [\n {\n \"name\": \"top_initiating\"\n },\n {\n \"name\": \"middle_initiating\"\n },\n {\n \"name\": \"bottom_initiating\"\n },\n {\n \"name\": \"top_non_initiating\"\n },\n {\n \"name\": \"middle_non_initiating\"\n },\n {\n \"name\": \"bottom_non_initiating\"\n }\n ]\n },\n {\n \"name\": \"MessageVisibleKind\",\n \"literalValues\": [\n {\n \"name\": \"initiating\"\n },\n {\n \"name\": \"non_initiating\"\n }\n ]\n }\n ],\n \"associations\": [],\n \"prefix\": \"bpmndi\"\n}","module.exports={\n \"name\": \"DC\",\n \"uri\": \"http://www.omg.org/spec/DD/20100524/DC\",\n \"types\": [\n {\n \"name\": \"Boolean\"\n },\n {\n \"name\": \"Integer\"\n },\n {\n \"name\": \"Real\"\n },\n {\n \"name\": \"String\"\n },\n {\n \"name\": \"Font\",\n \"properties\": [\n {\n \"name\": \"name\",\n \"type\": \"String\",\n \"isAttr\": true\n },\n {\n \"name\": \"size\",\n \"type\": \"Real\",\n \"isAttr\": true\n },\n {\n \"name\": \"isBold\",\n \"type\": \"Boolean\",\n \"isAttr\": true\n },\n {\n \"name\": \"isItalic\",\n \"type\": \"Boolean\",\n \"isAttr\": true\n },\n {\n \"name\": \"isUnderline\",\n \"type\": \"Boolean\",\n \"isAttr\": true\n },\n {\n \"name\": \"isStrikeThrough\",\n \"type\": \"Boolean\",\n \"isAttr\": true\n }\n ]\n },\n {\n \"name\": \"Point\",\n \"properties\": [\n {\n \"name\": \"x\",\n \"type\": \"Real\",\n \"default\": \"0\",\n \"isAttr\": true\n },\n {\n \"name\": \"y\",\n \"type\": \"Real\",\n \"default\": \"0\",\n \"isAttr\": true\n }\n ]\n },\n {\n \"name\": \"Bounds\",\n \"properties\": [\n {\n \"name\": \"x\",\n \"type\": \"Real\",\n \"default\": \"0\",\n \"isAttr\": true\n },\n {\n \"name\": \"y\",\n \"type\": \"Real\",\n \"default\": \"0\",\n \"isAttr\": true\n },\n {\n \"name\": \"width\",\n \"type\": \"Real\",\n \"isAttr\": true\n },\n {\n \"name\": \"height\",\n \"type\": \"Real\",\n \"isAttr\": true\n }\n ]\n }\n ],\n \"prefix\": \"dc\",\n \"associations\": []\n}","module.exports={\n \"name\": \"DI\",\n \"uri\": \"http://www.omg.org/spec/DD/20100524/DI\",\n \"types\": [\n {\n \"name\": \"DiagramElement\",\n \"isAbstract\": true,\n \"properties\": [\n {\n \"name\": \"id\",\n \"type\": \"String\",\n \"isAttr\": true,\n \"isId\": true\n },\n {\n \"name\": \"extension\",\n \"type\": \"Extension\"\n },\n {\n \"name\": \"owningDiagram\",\n \"type\": \"Diagram\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isReference\": true\n },\n {\n \"name\": \"owningElement\",\n \"type\": \"DiagramElement\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isReference\": true\n },\n {\n \"name\": \"modelElement\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isReference\": true,\n \"type\": \"Element\"\n },\n {\n \"name\": \"style\",\n \"type\": \"Style\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isReference\": true\n },\n {\n \"name\": \"ownedElement\",\n \"type\": \"DiagramElement\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"Node\",\n \"isAbstract\": true,\n \"superClass\": [\n \"DiagramElement\"\n ]\n },\n {\n \"name\": \"Edge\",\n \"isAbstract\": true,\n \"superClass\": [\n \"DiagramElement\"\n ],\n \"properties\": [\n {\n \"name\": \"source\",\n \"type\": \"DiagramElement\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isReference\": true\n },\n {\n \"name\": \"target\",\n \"type\": \"DiagramElement\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isReference\": true\n },\n {\n \"name\": \"waypoint\",\n \"isUnique\": false,\n \"isMany\": true,\n \"type\": \"dc:Point\",\n \"xml\": {\n \"serialize\": \"xsi:type\"\n }\n }\n ]\n },\n {\n \"name\": \"Diagram\",\n \"isAbstract\": true,\n \"properties\": [\n {\n \"name\": \"id\",\n \"type\": \"String\",\n \"isAttr\": true,\n \"isId\": true\n },\n {\n \"name\": \"rootElement\",\n \"type\": \"DiagramElement\",\n \"isReadOnly\": true,\n \"isVirtual\": true\n },\n {\n \"name\": \"name\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"documentation\",\n \"isAttr\": true,\n \"type\": \"String\"\n },\n {\n \"name\": \"resolution\",\n \"isAttr\": true,\n \"type\": \"Real\"\n },\n {\n \"name\": \"ownedStyle\",\n \"type\": \"Style\",\n \"isReadOnly\": true,\n \"isVirtual\": true,\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"Shape\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Node\"\n ],\n \"properties\": [\n {\n \"name\": \"bounds\",\n \"type\": \"dc:Bounds\"\n }\n ]\n },\n {\n \"name\": \"Plane\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Node\"\n ],\n \"properties\": [\n {\n \"name\": \"planeElement\",\n \"type\": \"DiagramElement\",\n \"subsettedProperty\": \"DiagramElement-ownedElement\",\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"LabeledEdge\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Edge\"\n ],\n \"properties\": [\n {\n \"name\": \"ownedLabel\",\n \"type\": \"Label\",\n \"isReadOnly\": true,\n \"subsettedProperty\": \"DiagramElement-ownedElement\",\n \"isVirtual\": true,\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"LabeledShape\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Shape\"\n ],\n \"properties\": [\n {\n \"name\": \"ownedLabel\",\n \"type\": \"Label\",\n \"isReadOnly\": true,\n \"subsettedProperty\": \"DiagramElement-ownedElement\",\n \"isVirtual\": true,\n \"isMany\": true\n }\n ]\n },\n {\n \"name\": \"Label\",\n \"isAbstract\": true,\n \"superClass\": [\n \"Node\"\n ],\n \"properties\": [\n {\n \"name\": \"bounds\",\n \"type\": \"dc:Bounds\"\n }\n ]\n },\n {\n \"name\": \"Style\",\n \"isAbstract\": true,\n \"properties\": [\n {\n \"name\": \"id\",\n \"type\": \"String\",\n \"isAttr\": true,\n \"isId\": true\n }\n ]\n },\n {\n \"name\": \"Extension\",\n \"properties\": [\n {\n \"name\": \"values\",\n \"type\": \"Element\",\n \"isMany\": true\n }\n ]\n }\n ],\n \"associations\": [],\n \"prefix\": \"di\",\n \"xml\": {\n \"tagAlias\": \"lowerCase\"\n }\n}","module.exports = {\n __depends__: [ require(135) ],\n __init__: [ 'directEditing' ],\n directEditing: [ 'type', require(94) ]\n};","'use strict';\n\nvar bind = require(264),\n find = require(254);\n\nvar TextBox = require(95);\n\n\n/**\n * A direct editing component that allows users\n * to edit an elements text directly in the diagram\n *\n * @param {EventBus} eventBus the event bus\n */\nfunction DirectEditing(eventBus, canvas) {\n\n this._eventBus = eventBus;\n\n this._providers = [];\n this._textbox = new TextBox({\n container: canvas.getContainer(),\n keyHandler: bind(this._handleKey, this)\n });\n}\n\nDirectEditing.$inject = [ 'eventBus', 'canvas' ];\n\n\n/**\n * Register a direct editing provider\n\n * @param {Object} provider the provider, must expose an #activate(element) method that returns\n * an activation context ({ bounds: {x, y, width, height }, text }) if\n * direct editing is available for the given element.\n * Additionally the provider must expose a #update(element, value) method\n * to receive direct editing updates.\n */\nDirectEditing.prototype.registerProvider = function(provider) {\n this._providers.push(provider);\n};\n\n\n/**\n * Returns true if direct editing is currently active\n *\n * @return {Boolean}\n */\nDirectEditing.prototype.isActive = function() {\n return !!this._active;\n};\n\n\n/**\n * Cancel direct editing, if it is currently active\n */\nDirectEditing.prototype.cancel = function() {\n if (!this._active) {\n return;\n }\n\n this._fire('cancel');\n this.close();\n};\n\n\nDirectEditing.prototype._fire = function(event) {\n this._eventBus.fire('directEditing.' + event, { active: this._active });\n};\n\nDirectEditing.prototype.close = function() {\n this._textbox.destroy();\n\n this._fire('deactivate');\n\n this._active = null;\n};\n\n\nDirectEditing.prototype.complete = function() {\n\n var active = this._active;\n\n if (!active) {\n return;\n }\n\n var text = this.getValue();\n\n if (text !== active.context.text) {\n active.provider.update(active.element, text, active.context.text);\n }\n\n this._fire('complete');\n\n this.close();\n};\n\n\nDirectEditing.prototype.getValue = function() {\n return this._textbox.getValue();\n};\n\n\nDirectEditing.prototype._handleKey = function(e) {\n\n // stop bubble\n e.stopPropagation();\n\n var key = e.keyCode || e.charCode;\n\n // ESC\n if (key === 27) {\n e.preventDefault();\n return this.cancel();\n }\n\n // Enter\n if (key === 13 && !e.shiftKey) {\n e.preventDefault();\n return this.complete();\n }\n};\n\n\n/**\n * Activate direct editing on the given element\n *\n * @param {Object} ElementDescriptor the descriptor for a shape or connection\n * @return {Boolean} true if the activation was possible\n */\nDirectEditing.prototype.activate = function(element) {\n\n if (this.isActive()) {\n this.cancel();\n }\n\n // the direct editing context\n var context;\n\n var provider = find(this._providers, function(p) {\n return !!(context = p.activate(element)) ? p : null;\n });\n\n // check if activation took place\n if (context) {\n this._textbox.create(context.bounds, context.style, context.text);\n\n this._active = {\n element: element,\n context: context,\n provider: provider\n };\n\n this._fire('activate');\n }\n\n return !!context;\n};\n\n\nmodule.exports = DirectEditing;","'use strict';\n\nvar assign = require(377),\n domEvent = require(395),\n domRemove = require(398);\n\nfunction stopPropagation(event) {\n event.stopPropagation();\n}\n\nfunction TextBox(options) {\n\n this.container = options.container;\n this.textarea = document.createElement('textarea');\n\n this.keyHandler = options.keyHandler || function() {};\n}\n\nmodule.exports = TextBox;\n\n\nTextBox.prototype.create = function(bounds, style, value) {\n\n var textarea = this.textarea,\n container = this.container;\n\n assign(textarea.style, {\n width: bounds.width + 'px',\n height: bounds.height + 'px',\n left: bounds.x + 'px',\n top: bounds.y + 'px',\n position: 'absolute',\n textAlign: 'center',\n boxSizing: 'border-box'\n }, style || {});\n\n textarea.value = value;\n textarea.title = 'Press SHIFT+Enter for line feed';\n\n domEvent.bind(textarea, 'keydown', this.keyHandler);\n domEvent.bind(textarea, 'mousedown', stopPropagation);\n\n container.appendChild(textarea);\n\n setTimeout(function() {\n if (textarea.parent) {\n textarea.select();\n }\n textarea.focus();\n }, 100);\n};\n\nTextBox.prototype.destroy = function() {\n var textarea = this.textarea;\n\n textarea.value = '';\n\n domEvent.unbind(textarea, 'keydown', this.keyHandler);\n domEvent.unbind(textarea, 'mousedown', stopPropagation);\n\n domRemove(textarea);\n};\n\nTextBox.prototype.getValue = function() {\n return this.textarea.value;\n};\n","module.exports = require(97);","'use strict';\n\nvar di = require(234);\n\n\n/**\n * Bootstrap an injector from a list of modules, instantiating a number of default components\n *\n * @ignore\n * @param {Array<didi.Module>} bootstrapModules\n *\n * @return {didi.Injector} a injector to use to access the components\n */\nfunction bootstrap(bootstrapModules) {\n\n var modules = [],\n components = [];\n\n function hasModule(m) {\n return modules.indexOf(m) >= 0;\n }\n\n function addModule(m) {\n modules.push(m);\n }\n\n function visit(m) {\n if (hasModule(m)) {\n return;\n }\n\n (m.__depends__ || []).forEach(visit);\n\n if (hasModule(m)) {\n return;\n }\n\n addModule(m);\n\n (m.__init__ || []).forEach(function(c) {\n components.push(c);\n });\n }\n\n bootstrapModules.forEach(visit);\n\n var injector = new di.Injector(modules);\n\n components.forEach(function(c) {\n\n try {\n // eagerly resolve component (fn or string)\n injector[typeof c === 'string' ? 'get' : 'invoke'](c);\n } catch (e) {\n console.error('Failed to instantiate component');\n console.error(e.stack);\n\n throw e;\n }\n });\n\n return injector;\n}\n\n/**\n * Creates an injector from passed options.\n *\n * @ignore\n * @param {Object} options\n * @return {didi.Injector}\n */\nfunction createInjector(options) {\n\n options = options || {};\n\n var configModule = {\n 'config': ['value', options]\n };\n\n var coreModule = require(106);\n\n var modules = [ configModule, coreModule ].concat(options.modules || []);\n\n return bootstrap(modules);\n}\n\n\n/**\n * The main diagram-js entry point that bootstraps the diagram with the given\n * configuration.\n *\n * To register extensions with the diagram, pass them as Array<didi.Module> to the constructor.\n *\n * @class djs.Diagram\n * @memberOf djs\n * @constructor\n *\n * @example\n *\n * <caption>Creating a plug-in that logs whenever a shape is added to the canvas.</caption>\n *\n * // plug-in implemenentation\n * function MyLoggingPlugin(eventBus) {\n * eventBus.on('shape.added', function(event) {\n * console.log('shape ', event.shape, ' was added to the diagram');\n * });\n * }\n *\n * // export as module\n * module.exports = {\n * __init__: [ 'myLoggingPlugin' ],\n * myLoggingPlugin: [ 'type', MyLoggingPlugin ]\n * };\n *\n *\n * // instantiate the diagram with the new plug-in\n *\n * var diagram = new Diagram({ modules: [ require('path-to-my-logging-plugin') ] });\n *\n * diagram.invoke([ 'canvas', function(canvas) {\n * // add shape to drawing canvas\n * canvas.addShape({ x: 10, y: 10 });\n * });\n *\n * // 'shape ... was added to the diagram' logged to console\n *\n * @param {Object} options\n * @param {Array<didi.Module>} [options.modules] external modules to instantiate with the diagram\n * @param {didi.Injector} [injector] an (optional) injector to bootstrap the diagram with\n */\nfunction Diagram(options, injector) {\n\n // create injector unless explicitly specified\n this.injector = injector = injector || createInjector(options);\n\n // API\n\n /**\n * Resolves a diagram service\n *\n * @method Diagram#get\n *\n * @param {String} name the name of the diagram service to be retrieved\n * @param {Boolean} [strict=true] if false, resolve missing services to null\n */\n this.get = injector.get;\n\n /**\n * Executes a function into which diagram services are injected\n *\n * @method Diagram#invoke\n *\n * @param {Function|Object[]} fn the function to resolve\n * @param {Object} locals a number of locals to use to resolve certain dependencies\n */\n this.invoke = injector.invoke;\n\n // init\n\n // indicate via event\n\n\n /**\n * An event indicating that all plug-ins are loaded.\n *\n * Use this event to fire other events to interested plug-ins\n *\n * @memberOf Diagram\n *\n * @event diagram.init\n *\n * @example\n *\n * eventBus.on('diagram.init', function() {\n * eventBus.fire('my-custom-event', { foo: 'BAR' });\n * });\n *\n * @type {Object}\n */\n this.get('eventBus').fire('diagram.init');\n}\n\nmodule.exports = Diagram;\n\n\n/**\n * Destroys the diagram\n *\n * @method Diagram#destroy\n */\nDiagram.prototype.destroy = function() {\n this.get('eventBus').fire('diagram.destroy');\n};\n\n/**\n * Clear the diagram, removing all contents.\n */\nDiagram.prototype.clear = function() {\n this.get('eventBus').fire('diagram.clear');\n};","'use strict';\n\nvar forEach = require(255),\n isFunction = require(369),\n isArray = require(368),\n isNumber = require(371);\n\n\nvar DEFAULT_PRIORITY = 1000;\n\n\nfunction isObject(element) {\n return typeof element === 'object';\n}\n\n/**\n * A utility that can be used to plug-in into the command execution for\n * extension and/or validation.\n *\n * @param {EventBus} eventBus\n *\n * @example\n *\n * var inherits = require('inherits');\n *\n * var CommandInterceptor = require('diagram-js/lib/command/CommandInterceptor');\n *\n * function CommandLogger(eventBus) {\n * CommandInterceptor.call(this, eventBus);\n *\n * this.preExecute(function(event) {\n * console.log('command pre-execute', event);\n * });\n * }\n *\n * inherits(CommandLogger, CommandInterceptor);\n *\n */\nfunction CommandInterceptor(eventBus) {\n this._eventBus = eventBus;\n}\n\nCommandInterceptor.$inject = [ 'eventBus' ];\n\nmodule.exports = CommandInterceptor;\n\nfunction unwrapEvent(fn, that) {\n return function(event) {\n return fn.call(that || null, event.context, event.command, event);\n };\n}\n\n/**\n * Register an interceptor for a command execution\n *\n * @param {String|Array<String>} [events] list of commands to register on\n * @param {String} [hook] command hook, i.e. preExecute, executed to listen on\n * @param {Number} [priority] the priority on which to hook into the execution\n * @param {Function} handlerFn interceptor to be invoked with (event)\n * @param {Boolean} unwrap if true, unwrap the event and pass (context, command, event) to the\n * listener instead\n * @param {Object} [that] Pass context (`this`) to the handler function\n */\nCommandInterceptor.prototype.on = function(events, hook, priority, handlerFn, unwrap, that) {\n\n if (isFunction(hook) || isNumber(hook)) {\n that = unwrap;\n unwrap = handlerFn;\n handlerFn = priority;\n priority = hook;\n hook = null;\n }\n\n if (isFunction(priority)) {\n that = unwrap;\n unwrap = handlerFn;\n handlerFn = priority;\n priority = DEFAULT_PRIORITY;\n }\n\n if (isObject(unwrap)) {\n that = unwrap;\n unwrap = false;\n }\n\n if (!isFunction(handlerFn)) {\n throw new Error('handlerFn must be a function');\n }\n\n if (!isArray(events)) {\n events = [ events ];\n }\n\n var eventBus = this._eventBus;\n\n forEach(events, function(event) {\n // concat commandStack(.event)?(.hook)?\n var fullEvent = [ 'commandStack', event, hook ].filter(function(e) { return e; }).join('.');\n\n eventBus.on(fullEvent, priority, unwrap ? unwrapEvent(handlerFn, that) : handlerFn, that);\n });\n};\n\n\nvar hooks = [\n 'canExecute',\n 'preExecute',\n 'preExecuted',\n 'execute',\n 'executed',\n 'postExecute',\n 'postExecuted',\n 'revert',\n 'reverted'\n];\n\n/*\n * Install hook shortcuts\n *\n * This will generate the CommandInterceptor#(preExecute|...|reverted) methods\n * which will in term forward to CommandInterceptor#on.\n */\nforEach(hooks, function(hook) {\n\n /**\n * {canExecute|preExecute|preExecuted|execute|executed|postExecute|postExecuted|revert|reverted}\n *\n * A named hook for plugging into the command execution\n *\n * @param {String|Array<String>} [events] list of commands to register on\n * @param {Number} [priority] the priority on which to hook into the execution\n * @param {Function} handlerFn interceptor to be invoked with (event)\n * @param {Boolean} [unwrap=false] if true, unwrap the event and pass (context, command, event) to the\n * listener instead\n * @param {Object} [that] Pass context (`this`) to the handler function\n */\n CommandInterceptor.prototype[hook] = function(events, priority, handlerFn, unwrap, that) {\n\n if (isFunction(events) || isNumber(events)) {\n that = unwrap;\n unwrap = handlerFn;\n handlerFn = priority;\n priority = events;\n events = null;\n }\n\n this.on(events, hook, priority, handlerFn, unwrap, that);\n };\n});\n","'use strict';\n\nvar unique = require(248),\n isArray = require(368),\n assign = require(377);\n\nvar InternalEvent = require(104).Event;\n\n\n/**\n * A service that offers un- and redoable execution of commands.\n *\n * The command stack is responsible for executing modeling actions\n * in a un- and redoable manner. To do this it delegates the actual\n * command execution to {@link CommandHandler}s.\n *\n * Command handlers provide {@link CommandHandler#execute(ctx)} and\n * {@link CommandHandler#revert(ctx)} methods to un- and redo a command\n * identified by a command context.\n *\n *\n * ## Life-Cycle events\n *\n * In the process the command stack fires a number of life-cycle events\n * that other components to participate in the command execution.\n *\n * * preExecute\n * * preExecuted\n * * execute\n * * executed\n * * postExecute\n * * postExecuted\n * * revert\n * * reverted\n *\n * A special event is used for validating, whether a command can be\n * performed prior to its execution.\n *\n * * canExecute\n *\n * Each of the events is fired as `commandStack.{eventName}` and\n * `commandStack.{commandName}.{eventName}`, respectively. This gives\n * components fine grained control on where to hook into.\n *\n * The event object fired transports `command`, the name of the\n * command and `context`, the command context.\n *\n *\n * ## Creating Command Handlers\n *\n * Command handlers should provide the {@link CommandHandler#execute(ctx)}\n * and {@link CommandHandler#revert(ctx)} methods to implement\n * redoing and undoing of a command. They must ensure undo is performed\n * properly in order not to break the undo chain.\n *\n * Command handlers may execute other modeling operations (and thus\n * commands) in their `preExecute` and `postExecute` phases. The command\n * stack will properly group all commands together into a logical unit\n * that may be re- and undone atomically.\n *\n * Command handlers must not execute other commands from within their\n * core implementation (`execute`, `revert`).\n *\n *\n * ## Change Tracking\n *\n * During the execution of the CommandStack it will keep track of all\n * elements that have been touched during the command's execution.\n *\n * At the end of the CommandStack execution it will notify interested\n * components via an 'elements.changed' event with all the dirty\n * elements.\n *\n * The event can be picked up by components that are interested in the fact\n * that elements have been changed. One use case for this is updating\n * their graphical representation after moving / resizing or deletion.\n *\n *\n * @param {EventBus} eventBus\n * @param {Injector} injector\n */\nfunction CommandStack(eventBus, injector) {\n\n /**\n * A map of all registered command handlers.\n *\n * @type {Object}\n */\n this._handlerMap = {};\n\n /**\n * A stack containing all re/undoable actions on the diagram\n *\n * @type {Array<Object>}\n */\n this._stack = [];\n\n /**\n * The current index on the stack\n *\n * @type {Number}\n */\n this._stackIdx = -1;\n\n /**\n * Current active commandStack execution\n *\n * @type {Object}\n */\n this._currentExecution = {\n actions: [],\n dirty: []\n };\n\n\n this._injector = injector;\n this._eventBus = eventBus;\n\n this._uid = 1;\n\n eventBus.on([ 'diagram.destroy', 'diagram.clear' ], this.clear, this);\n}\n\nCommandStack.$inject = [ 'eventBus', 'injector' ];\n\nmodule.exports = CommandStack;\n\n\n/**\n * Execute a command\n *\n * @param {String} command the command to execute\n * @param {Object} context the environment to execute the command in\n */\nCommandStack.prototype.execute = function(command, context) {\n if (!command) {\n throw new Error('command required');\n }\n\n var action = { command: command, context: context };\n\n this._pushAction(action);\n this._internalExecute(action);\n this._popAction(action);\n};\n\n\n/**\n * Ask whether a given command can be executed.\n *\n * Implementors may hook into the mechanism on two ways:\n *\n * * in event listeners:\n *\n * Users may prevent the execution via an event listener.\n * It must prevent the default action for `commandStack.(<command>.)canExecute` events.\n *\n * * in command handlers:\n *\n * If the method {@link CommandHandler#canExecute} is implemented in a handler\n * it will be called to figure out whether the execution is allowed.\n *\n * @param {String} command the command to execute\n * @param {Object} context the environment to execute the command in\n *\n * @return {Boolean} true if the command can be executed\n */\nCommandStack.prototype.canExecute = function(command, context) {\n\n var action = { command: command, context: context };\n\n var handler = this._getHandler(command);\n\n if (!handler) {\n return false;\n }\n\n var result = this._fire(command, 'canExecute', action);\n\n // handler#canExecute will only be called if no listener\n // decided on a result already\n if (result === undefined && handler.canExecute) {\n result = handler.canExecute(context);\n }\n\n return result;\n};\n\n\n/**\n * Clear the command stack, erasing all undo / redo history\n */\nCommandStack.prototype.clear = function() {\n this._stack.length = 0;\n this._stackIdx = -1;\n\n this._fire('changed');\n};\n\n\n/**\n * Undo last command(s)\n */\nCommandStack.prototype.undo = function() {\n var action = this._getUndoAction(),\n next;\n\n if (action) {\n this._pushAction(action);\n\n while (action) {\n this._internalUndo(action);\n next = this._getUndoAction();\n\n if (!next || next.id !== action.id) {\n break;\n }\n\n action = next;\n }\n\n this._popAction();\n }\n};\n\n\n/**\n * Redo last command(s)\n */\nCommandStack.prototype.redo = function() {\n var action = this._getRedoAction(),\n next;\n\n if (action) {\n this._pushAction(action);\n\n while (action) {\n this._internalExecute(action, true);\n next = this._getRedoAction();\n\n if (!next || next.id !== action.id) {\n break;\n }\n\n action = next;\n }\n\n this._popAction();\n }\n};\n\n\n/**\n * Register a handler instance with the command stack\n *\n * @param {String} command\n * @param {CommandHandler} handler\n */\nCommandStack.prototype.register = function(command, handler) {\n this._setHandler(command, handler);\n};\n\n\n/**\n * Register a handler type with the command stack\n * by instantiating it and injecting its dependencies.\n *\n * @param {String} command\n * @param {Function} a constructor for a {@link CommandHandler}\n */\nCommandStack.prototype.registerHandler = function(command, handlerCls) {\n\n if (!command || !handlerCls) {\n throw new Error('command and handlerCls must be defined');\n }\n\n var handler = this._injector.instantiate(handlerCls);\n this.register(command, handler);\n};\n\nCommandStack.prototype.canUndo = function() {\n return !!this._getUndoAction();\n};\n\nCommandStack.prototype.canRedo = function() {\n return !!this._getRedoAction();\n};\n\n////// stack access //////////////////////////////////////\n\nCommandStack.prototype._getRedoAction = function() {\n return this._stack[this._stackIdx + 1];\n};\n\n\nCommandStack.prototype._getUndoAction = function() {\n return this._stack[this._stackIdx];\n};\n\n\n////// internal functionality /////////////////////////////\n\nCommandStack.prototype._internalUndo = function(action) {\n var command = action.command,\n context = action.context;\n\n var handler = this._getHandler(command);\n\n this._fire(command, 'revert', action);\n\n if (handler.revert) {\n this._markDirty(handler.revert(context));\n }\n\n this._revertedAction(action);\n\n this._fire(command, 'reverted', action);\n};\n\n\nCommandStack.prototype._fire = function(command, qualifier, event) {\n if (arguments.length < 3) {\n event = qualifier;\n qualifier = null;\n }\n\n var names = qualifier ? [ command + '.' + qualifier, qualifier ] : [ command ],\n i, name, result;\n\n event = assign(new InternalEvent(), event);\n\n for (i = 0; !!(name = names[i]); i++) {\n result = this._eventBus.fire('commandStack.' + name, event);\n\n if (event.cancelBubble) {\n break;\n }\n }\n\n return result;\n};\n\nCommandStack.prototype._createId = function() {\n return this._uid++;\n};\n\n\nCommandStack.prototype._internalExecute = function(action, redo) {\n var command = action.command,\n context = action.context;\n\n var handler = this._getHandler(command);\n\n if (!handler) {\n throw new Error('no command handler registered for <' + command + '>');\n }\n\n this._pushAction(action);\n\n if (!redo) {\n this._fire(command, 'preExecute', action);\n\n if (handler.preExecute) {\n handler.preExecute(context);\n }\n\n this._fire(command, 'preExecuted', action);\n }\n\n this._fire(command, 'execute', action);\n\n if (handler.execute) {\n // actual execute + mark return results as dirty\n this._markDirty(handler.execute(context));\n }\n\n // log to stack\n this._executedAction(action, redo);\n\n this._fire(command, 'executed', action);\n\n if (!redo) {\n this._fire(command, 'postExecute', action);\n\n if (handler.postExecute) {\n handler.postExecute(context);\n }\n\n this._fire(command, 'postExecuted', action);\n }\n\n this._popAction(action);\n};\n\n\nCommandStack.prototype._pushAction = function(action) {\n\n var execution = this._currentExecution,\n actions = execution.actions;\n\n var baseAction = actions[0];\n\n if (!action.id) {\n action.id = (baseAction && baseAction.id) || this._createId();\n }\n\n actions.push(action);\n};\n\n\nCommandStack.prototype._popAction = function() {\n var execution = this._currentExecution,\n actions = execution.actions,\n dirty = execution.dirty;\n\n actions.pop();\n\n if (!actions.length) {\n this._eventBus.fire('elements.changed', { elements: unique(dirty) });\n\n dirty.length = 0;\n\n this._fire('changed');\n }\n};\n\n\nCommandStack.prototype._markDirty = function(elements) {\n var execution = this._currentExecution;\n\n if (!elements) {\n return;\n }\n\n elements = isArray(elements) ? elements : [ elements ];\n\n execution.dirty = execution.dirty.concat(elements);\n};\n\n\nCommandStack.prototype._executedAction = function(action, redo) {\n var stackIdx = ++this._stackIdx;\n\n if (!redo) {\n this._stack.splice(stackIdx, this._stack.length, action);\n }\n};\n\n\nCommandStack.prototype._revertedAction = function(action) {\n this._stackIdx--;\n};\n\n\nCommandStack.prototype._getHandler = function(command) {\n return this._handlerMap[command];\n};\n\nCommandStack.prototype._setHandler = function(command, handler) {\n if (!command || !handler) {\n throw new Error('command and handler required');\n }\n\n if (this._handlerMap[command]) {\n throw new Error('overriding handler for command <' + command + '>');\n }\n\n this._handlerMap[command] = handler;\n};\n","module.exports = {\n commandStack: [ 'type', require(99) ]\n};\n","'use strict';\n\nvar isNumber = require(371),\n assign = require(377),\n forEach = require(255),\n every = require(252),\n debounce = require(265);\n\nvar Collections = require(219),\n Elements = require(221);\n\nvar Snap = require(240);\n\nfunction round(number, resolution) {\n return Math.round(number * resolution) / resolution;\n}\n\nfunction ensurePx(number) {\n return isNumber(number) ? number + 'px' : number;\n}\n\n/**\n * Creates a HTML container element for a SVG element with\n * the given configuration\n *\n * @param {Object} options\n * @return {HTMLElement} the container element\n */\nfunction createContainer(options) {\n\n options = assign({}, { width: '100%', height: '100%' }, options);\n\n var container = options.container || document.body;\n\n // create a <div> around the svg element with the respective size\n // this way we can always get the correct container size\n // (this is impossible for <svg> elements at the moment)\n var parent = document.createElement('div');\n parent.setAttribute('class', 'djs-container');\n\n assign(parent.style, {\n position: 'relative',\n overflow: 'hidden',\n width: ensurePx(options.width),\n height: ensurePx(options.height)\n });\n\n container.appendChild(parent);\n\n return parent;\n}\n\nfunction createGroup(parent, cls) {\n return parent.group().attr({ 'class' : cls });\n}\n\nvar BASE_LAYER = 'base';\n\n\nvar REQUIRED_MODEL_ATTRS = {\n shape: [ 'x', 'y', 'width', 'height' ],\n connection: [ 'waypoints' ]\n};\n\n/**\n * The main drawing canvas.\n *\n * @class\n * @constructor\n *\n * @emits Canvas#canvas.init\n *\n * @param {Object} config\n * @param {EventBus} eventBus\n * @param {GraphicsFactory} graphicsFactory\n * @param {ElementRegistry} elementRegistry\n */\nfunction Canvas(config, eventBus, graphicsFactory, elementRegistry) {\n\n this._eventBus = eventBus;\n this._elementRegistry = elementRegistry;\n this._graphicsFactory = graphicsFactory;\n\n this._init(config || {});\n}\n\nCanvas.$inject = [ 'config.canvas', 'eventBus', 'graphicsFactory', 'elementRegistry' ];\n\nmodule.exports = Canvas;\n\n\nCanvas.prototype._init = function(config) {\n\n var eventBus = this._eventBus;\n\n // Creates a <svg> element that is wrapped into a <div>.\n // This way we are always able to correctly figure out the size of the svg element\n // by querying the parent node.\n //\n // (It is not possible to get the size of a svg element cross browser @ 2014-04-01)\n //\n // <div class=\"djs-container\" style=\"width: {desired-width}, height: {desired-height}\">\n // <svg width=\"100%\" height=\"100%\">\n // ...\n // </svg>\n // </div>\n\n // html container\n var container = this._container = createContainer(config),\n svg = this._svg = Snap.createSnapAt('100%', '100%', container),\n viewport = this._viewport = createGroup(svg, 'viewport');\n\n this._layers = {};\n\n // debounce canvas.viewbox.changed events\n // for smoother diagram interaction\n if (config.deferUpdate !== false) {\n this._viewboxChanged = debounce(this._viewboxChanged, 300);\n }\n\n eventBus.on('diagram.init', function() {\n\n /**\n * An event indicating that the canvas is ready to be drawn on.\n *\n * @memberOf Canvas\n *\n * @event canvas.init\n *\n * @type {Object}\n * @property {Snap<SVGSVGElement>} svg the created svg element\n * @property {Snap<SVGGroup>} viewport the direct parent of diagram elements and shapes\n */\n eventBus.fire('canvas.init', {\n svg: svg,\n viewport: viewport\n });\n\n }, this);\n\n eventBus.on('diagram.destroy', 500, this._destroy, this);\n eventBus.on('diagram.clear', 500, this._clear, this);\n};\n\nCanvas.prototype._destroy = function(emit) {\n this._eventBus.fire('canvas.destroy', {\n svg: this._svg,\n viewport: this._viewport\n });\n\n var parent = this._container.parentNode;\n\n if (parent) {\n parent.removeChild(this._container);\n }\n\n delete this._svg;\n delete this._container;\n delete this._layers;\n delete this._rootElement;\n delete this._viewport;\n};\n\nCanvas.prototype._clear = function() {\n\n var self = this;\n\n var allElements = this._elementRegistry.getAll();\n\n // remove all elements\n allElements.forEach(function(element) {\n var type = Elements.getType(element);\n\n if (type === 'root') {\n self.setRootElement(null, true);\n } else {\n self._removeElement(element, type);\n }\n });\n\n // force recomputation of view box\n delete this._cachedViewbox;\n};\n\n/**\n * Returns the default layer on which\n * all elements are drawn.\n *\n * @returns {Snap<SVGGroup>}\n */\nCanvas.prototype.getDefaultLayer = function() {\n return this.getLayer(BASE_LAYER);\n};\n\n/**\n * Returns a layer that is used to draw elements\n * or annotations on it.\n *\n * @param {String} name\n *\n * @returns {Snap<SVGGroup>}\n */\nCanvas.prototype.getLayer = function(name) {\n\n if (!name) {\n throw new Error('must specify a name');\n }\n\n var layer = this._layers[name];\n if (!layer) {\n layer = this._layers[name] = createGroup(this._viewport, 'layer-' + name);\n }\n\n return layer;\n};\n\n\n/**\n * Returns the html element that encloses the\n * drawing canvas.\n *\n * @return {DOMNode}\n */\nCanvas.prototype.getContainer = function() {\n return this._container;\n};\n\n\n/////////////// markers ///////////////////////////////////\n\nCanvas.prototype._updateMarker = function(element, marker, add) {\n var container;\n\n if (!element.id) {\n element = this._elementRegistry.get(element);\n }\n\n // we need to access all\n container = this._elementRegistry._elements[element.id];\n\n if (!container) {\n return;\n }\n\n forEach([ container.gfx, container.secondaryGfx ], function(gfx) {\n if (gfx) {\n // invoke either addClass or removeClass based on mode\n gfx[add ? 'addClass' : 'removeClass'](marker);\n }\n });\n\n /**\n * An event indicating that a marker has been updated for an element\n *\n * @event element.marker.update\n * @type {Object}\n * @property {djs.model.Element} element the shape\n * @property {Object} gfx the graphical representation of the shape\n * @property {String} marker\n * @property {Boolean} add true if the marker was added, false if it got removed\n */\n this._eventBus.fire('element.marker.update', { element: element, gfx: container.gfx, marker: marker, add: !!add });\n};\n\n\n/**\n * Adds a marker to an element (basically a css class).\n *\n * Fires the element.marker.update event, making it possible to\n * integrate extension into the marker life-cycle, too.\n *\n * @example\n * canvas.addMarker('foo', 'some-marker');\n *\n * var fooGfx = canvas.getGraphics('foo');\n *\n * fooGfx; // <g class=\"... some-marker\"> ... </g>\n *\n * @param {String|djs.model.Base} element\n * @param {String} marker\n */\nCanvas.prototype.addMarker = function(element, marker) {\n this._updateMarker(element, marker, true);\n};\n\n\n/**\n * Remove a marker from an element.\n *\n * Fires the element.marker.update event, making it possible to\n * integrate extension into the marker life-cycle, too.\n *\n * @param {String|djs.model.Base} element\n * @param {String} marker\n */\nCanvas.prototype.removeMarker = function(element, marker) {\n this._updateMarker(element, marker, false);\n};\n\n/**\n * Check the existence of a marker on element.\n *\n * @param {String|djs.model.Base} element\n * @param {String} marker\n */\nCanvas.prototype.hasMarker = function(element, marker) {\n if (!element.id) {\n element = this._elementRegistry.get(element);\n }\n\n var gfx = this.getGraphics(element);\n\n return gfx && gfx.hasClass(marker);\n};\n\n/**\n * Toggles a marker on an element.\n *\n * Fires the element.marker.update event, making it possible to\n * integrate extension into the marker life-cycle, too.\n *\n * @param {String|djs.model.Base} element\n * @param {String} marker\n */\nCanvas.prototype.toggleMarker = function(element, marker) {\n if(this.hasMarker(element, marker)) {\n this.removeMarker(element, marker);\n } else {\n this.addMarker(element, marker);\n }\n};\n\nCanvas.prototype.getRootElement = function() {\n if (!this._rootElement) {\n this.setRootElement({ id: '__implicitroot', children: [] });\n }\n\n return this._rootElement;\n};\n\n\n\n//////////////// root element handling ///////////////////////////\n\n/**\n * Sets a given element as the new root element for the canvas\n * and returns the new root element.\n *\n * @param {Object|djs.model.Root} element\n * @param {Boolean} [override] whether to override the current root element, if any\n *\n * @return {Object|djs.model.Root} new root element\n */\nCanvas.prototype.setRootElement = function(element, override) {\n\n if (element) {\n this._ensureValid('root', element);\n }\n\n var currentRoot = this._rootElement,\n elementRegistry = this._elementRegistry,\n eventBus = this._eventBus;\n\n if (currentRoot) {\n if (!override) {\n throw new Error('rootElement already set, need to specify override');\n }\n\n // simulate element remove event sequence\n eventBus.fire('root.remove', { element: currentRoot });\n eventBus.fire('root.removed', { element: currentRoot });\n\n elementRegistry.remove(currentRoot);\n }\n\n if (element) {\n var gfx = this.getDefaultLayer();\n\n // resemble element add event sequence\n eventBus.fire('root.add', { element: element });\n\n elementRegistry.add(element, gfx, this._svg);\n\n eventBus.fire('root.added', { element: element, gfx: gfx });\n }\n\n this._rootElement = element;\n\n return element;\n};\n\n\n\n///////////// add functionality ///////////////////////////////\n\nCanvas.prototype._ensureValid = function(type, element) {\n if (!element.id) {\n throw new Error('element must have an id');\n }\n\n if (this._elementRegistry.get(element.id)) {\n throw new Error('element with id ' + element.id + ' already exists');\n }\n\n var requiredAttrs = REQUIRED_MODEL_ATTRS[type];\n\n var valid = every(requiredAttrs, function(attr) {\n return typeof element[attr] !== 'undefined';\n });\n\n if (!valid) {\n throw new Error(\n 'must supply { ' + requiredAttrs.join(', ') + ' } with ' + type);\n }\n};\n\nCanvas.prototype._setParent = function(element, parent, parentIndex) {\n Collections.add(parent.children, element, parentIndex);\n element.parent = parent;\n};\n\n/**\n * Adds an element to the canvas.\n *\n * This wires the parent <-> child relationship between the element and\n * a explicitly specified parent or an implicit root element.\n *\n * During add it emits the events\n *\n * * <{type}.add> (element, parent)\n * * <{type}.added> (element, gfx)\n *\n * Extensions may hook into these events to perform their magic.\n *\n * @param {String} type\n * @param {Object|djs.model.Base} element\n * @param {Object|djs.model.Base} [parent]\n * @param {Number} [parentIndex]\n *\n * @return {Object|djs.model.Base} the added element\n */\nCanvas.prototype._addElement = function(type, element, parent, parentIndex) {\n\n parent = parent || this.getRootElement();\n\n var eventBus = this._eventBus,\n graphicsFactory = this._graphicsFactory;\n\n this._ensureValid(type, element);\n\n eventBus.fire(type + '.add', { element: element, parent: parent });\n\n this._setParent(element, parent, parentIndex);\n\n // create graphics\n var gfx = graphicsFactory.create(type, element);\n\n this._elementRegistry.add(element, gfx);\n\n // update its visual\n graphicsFactory.update(type, element, gfx);\n\n eventBus.fire(type + '.added', { element: element, gfx: gfx });\n\n return element;\n};\n\n/**\n * Adds a shape to the canvas\n *\n * @param {Object|djs.model.Shape} shape to add to the diagram\n * @param {djs.model.Base} [parent]\n * @param {Number} [parentIndex]\n *\n * @return {djs.model.Shape} the added shape\n */\nCanvas.prototype.addShape = function(shape, parent, parentIndex) {\n return this._addElement('shape', shape, parent, parentIndex);\n};\n\n/**\n * Adds a connection to the canvas\n *\n * @param {Object|djs.model.Connection} connection to add to the diagram\n * @param {djs.model.Base} [parent]\n * @param {Number} [parentIndex]\n *\n * @return {djs.model.Connection} the added connection\n */\nCanvas.prototype.addConnection = function(connection, parent, parentIndex) {\n return this._addElement('connection', connection, parent, parentIndex);\n};\n\n\n/**\n * Internal remove element\n */\nCanvas.prototype._removeElement = function(element, type) {\n\n var elementRegistry = this._elementRegistry,\n graphicsFactory = this._graphicsFactory,\n eventBus = this._eventBus;\n\n element = elementRegistry.get(element.id || element);\n\n if (!element) {\n // element was removed already\n return;\n }\n\n eventBus.fire(type + '.remove', { element: element });\n\n graphicsFactory.remove(element);\n\n // unset parent <-> child relationship\n Collections.remove(element.parent && element.parent.children, element);\n element.parent = null;\n\n eventBus.fire(type + '.removed', { element: element });\n\n elementRegistry.remove(element);\n\n return element;\n};\n\n\n/**\n * Removes a shape from the canvas\n *\n * @param {String|djs.model.Shape} shape or shape id to be removed\n *\n * @return {djs.model.Shape} the removed shape\n */\nCanvas.prototype.removeShape = function(shape) {\n\n /**\n * An event indicating that a shape is about to be removed from the canvas.\n *\n * @memberOf Canvas\n *\n * @event shape.remove\n * @type {Object}\n * @property {djs.model.Shape} element the shape descriptor\n * @property {Object} gfx the graphical representation of the shape\n */\n\n /**\n * An event indicating that a shape has been removed from the canvas.\n *\n * @memberOf Canvas\n *\n * @event shape.removed\n * @type {Object}\n * @property {djs.model.Shape} element the shape descriptor\n * @property {Object} gfx the graphical representation of the shape\n */\n return this._removeElement(shape, 'shape');\n};\n\n\n/**\n * Removes a connection from the canvas\n *\n * @param {String|djs.model.Connection} connection or connection id to be removed\n *\n * @return {djs.model.Connection} the removed connection\n */\nCanvas.prototype.removeConnection = function(connection) {\n\n /**\n * An event indicating that a connection is about to be removed from the canvas.\n *\n * @memberOf Canvas\n *\n * @event connection.remove\n * @type {Object}\n * @property {djs.model.Connection} element the connection descriptor\n * @property {Object} gfx the graphical representation of the connection\n */\n\n /**\n * An event indicating that a connection has been removed from the canvas.\n *\n * @memberOf Canvas\n *\n * @event connection.removed\n * @type {Object}\n * @property {djs.model.Connection} element the connection descriptor\n * @property {Object} gfx the graphical representation of the connection\n */\n return this._removeElement(connection, 'connection');\n};\n\n\n/**\n * Return the graphical object underlaying a certain diagram element\n *\n * @param {String|djs.model.Base} element descriptor of the element\n * @param {Boolean} [secondary=false] whether to return the secondary connected element\n *\n * @return {SVGElement}\n */\nCanvas.prototype.getGraphics = function(element, secondary) {\n return this._elementRegistry.getGraphics(element, secondary);\n};\n\n\nCanvas.prototype._viewboxChanging = function() {\n this._eventBus.fire('canvas.viewbox.changing');\n};\n\nCanvas.prototype._viewboxChanged = function() {\n this._eventBus.fire('canvas.viewbox.changed', { viewbox: this.viewbox(false) });\n};\n\n\n/**\n * Gets or sets the view box of the canvas, i.e. the\n * area that is currently displayed.\n *\n * The getter may return a cached viewbox (if it is currently\n * changing). To force a recomputation, pass `false` as the first argument.\n *\n * @example\n *\n * canvas.viewbox({ x: 100, y: 100, width: 500, height: 500 })\n *\n * // sets the visible area of the diagram to (100|100) -> (600|100)\n * // and and scales it according to the diagram width\n *\n * var viewbox = canvas.viewbox(); // pass `false` to force recomputing the box.\n *\n * console.log(viewbox);\n * // {\n * // inner: Dimensions,\n * // outer: Dimensions,\n * // scale,\n * // x, y,\n * // width, height\n * // }\n *\n * @param {Object} [box] the new view box to set\n * @param {Number} box.x the top left X coordinate of the canvas visible in view box\n * @param {Number} box.y the top left Y coordinate of the canvas visible in view box\n * @param {Number} box.width the visible width\n * @param {Number} box.height\n *\n * @return {Object} the current view box\n */\nCanvas.prototype.viewbox = function(box) {\n\n if (box === undefined && this._cachedViewbox) {\n return this._cachedViewbox;\n }\n\n var viewport = this._viewport,\n innerBox,\n outerBox = this.getSize(),\n matrix,\n scale,\n x, y;\n\n if (!box) {\n // compute the inner box based on the\n // diagrams default layer. This allows us to exclude\n // external components, such as overlays\n innerBox = this.getDefaultLayer().getBBox(true);\n\n matrix = viewport.transform().localMatrix;\n scale = round(matrix.a, 1000);\n\n x = round(-matrix.e || 0, 1000);\n y = round(-matrix.f || 0, 1000);\n\n box = this._cachedViewbox = {\n x: x ? x / scale : 0,\n y: y ? y / scale : 0,\n width: outerBox.width / scale,\n height: outerBox.height / scale,\n scale: scale,\n inner: {\n width: innerBox.width,\n height: innerBox.height,\n x: innerBox.x,\n y: innerBox.y\n },\n outer: outerBox\n };\n\n return box;\n } else {\n this._viewboxChanging();\n\n scale = Math.min(outerBox.width / box.width, outerBox.height / box.height);\n\n matrix = new Snap.Matrix().scale(scale).translate(-box.x, -box.y);\n viewport.transform(matrix);\n\n this._viewboxChanged();\n }\n\n return box;\n};\n\n\n/**\n * Gets or sets the scroll of the canvas.\n *\n * @param {Object} [delta] the new scroll to apply.\n *\n * @param {Number} [delta.dx]\n * @param {Number} [delta.dy]\n */\nCanvas.prototype.scroll = function(delta) {\n\n var node = this._viewport.node;\n var matrix = node.getCTM();\n\n if (delta) {\n this._viewboxChanging();\n\n delta = assign({ dx: 0, dy: 0 }, delta || {});\n\n matrix = this._svg.node.createSVGMatrix().translate(delta.dx, delta.dy).multiply(matrix);\n\n setCTM(node, matrix);\n\n this._viewboxChanged();\n }\n\n return { x: matrix.e, y: matrix.f };\n};\n\n\n/**\n * Gets or sets the current zoom of the canvas, optionally zooming\n * to the specified position.\n *\n * The getter may return a cached zoom level. Call it with `false` as\n * the first argument to force recomputation of the current level.\n *\n * @param {String|Number} [newScale] the new zoom level, either a number, i.e. 0.9,\n * or `fit-viewport` to adjust the size to fit the current viewport\n * @param {String|Point} [center] the reference point { x: .., y: ..} to zoom to, 'auto' to zoom into mid or null\n *\n * @return {Number} the current scale\n */\nCanvas.prototype.zoom = function(newScale, center) {\n\n if (!newScale) {\n return this.viewbox(newScale).scale;\n }\n\n if (newScale === 'fit-viewport') {\n return this._fitViewport(center);\n }\n\n var outer,\n matrix;\n\n this._viewboxChanging();\n\n if (typeof center !== 'object') {\n outer = this.viewbox().outer;\n\n center = {\n x: outer.width / 2,\n y: outer.height / 2\n };\n }\n\n matrix = this._setZoom(newScale, center);\n\n this._viewboxChanged();\n\n return round(matrix.a, 1000);\n};\n\nfunction setCTM(node, m) {\n var mstr = 'matrix(' + m.a + ',' + m.b + ',' + m.c + ',' + m.d + ',' + m.e + ',' + m.f + ')';\n node.setAttribute('transform', mstr);\n}\n\nCanvas.prototype._fitViewport = function(center) {\n\n var vbox = this.viewbox(),\n outer = vbox.outer,\n inner = vbox.inner,\n newScale,\n newViewbox;\n\n // display the complete diagram without zooming in.\n // instead of relying on internal zoom, we perform a\n // hard reset on the canvas viewbox to realize this\n //\n // if diagram does not need to be zoomed in, we focus it around\n // the diagram origin instead\n\n if (inner.x >= 0 &&\n inner.y >= 0 &&\n inner.x + inner.width <= outer.width &&\n inner.y + inner.height <= outer.height &&\n !center) {\n\n newViewbox = {\n x: 0,\n y: 0,\n width: Math.max(inner.width + inner.x, outer.width),\n height: Math.max(inner.height + inner.y, outer.height)\n };\n } else {\n\n newScale = Math.min(1, outer.width / inner.width, outer.height / inner.height);\n newViewbox = {\n x: inner.x + (center ? inner.width / 2 - outer.width / newScale / 2 : 0),\n y: inner.y + (center ? inner.height / 2 - outer.height / newScale / 2 : 0),\n width: outer.width / newScale,\n height: outer.height / newScale\n };\n }\n\n this.viewbox(newViewbox);\n\n return this.viewbox(false).scale;\n};\n\n\nCanvas.prototype._setZoom = function(scale, center) {\n\n var svg = this._svg.node,\n viewport = this._viewport.node;\n\n var matrix = svg.createSVGMatrix();\n var point = svg.createSVGPoint();\n\n var centerPoint,\n originalPoint,\n currentMatrix,\n scaleMatrix,\n newMatrix;\n\n currentMatrix = viewport.getCTM();\n\n\n var currentScale = currentMatrix.a;\n\n if (center) {\n centerPoint = assign(point, center);\n\n // revert applied viewport transformations\n originalPoint = centerPoint.matrixTransform(currentMatrix.inverse());\n\n // create scale matrix\n scaleMatrix = matrix\n .translate(originalPoint.x, originalPoint.y)\n .scale(1 / currentScale * scale)\n .translate(-originalPoint.x, -originalPoint.y);\n\n newMatrix = currentMatrix.multiply(scaleMatrix);\n } else {\n newMatrix = matrix.scale(scale);\n }\n\n setCTM(this._viewport.node, newMatrix);\n\n return newMatrix;\n};\n\n\n/**\n * Returns the size of the canvas\n *\n * @return {Dimensions}\n */\nCanvas.prototype.getSize = function () {\n return {\n width: this._container.clientWidth,\n height: this._container.clientHeight\n };\n};\n\n\n/**\n * Return the absolute bounding box for the given element\n *\n * The absolute bounding box may be used to display overlays in the\n * callers (browser) coordinate system rather than the zoomed in/out\n * canvas coordinates.\n *\n * @param {ElementDescriptor} element\n * @return {Bounds} the absolute bounding box\n */\nCanvas.prototype.getAbsoluteBBox = function(element) {\n var vbox = this.viewbox();\n var bbox;\n\n // connection\n // use svg bbox\n if (element.waypoints) {\n var gfx = this.getGraphics(element);\n\n var transformBBox = gfx.getBBox(true);\n bbox = gfx.getBBox();\n\n bbox.x -= transformBBox.x;\n bbox.y -= transformBBox.y;\n\n bbox.width += 2 * transformBBox.x;\n bbox.height += 2 * transformBBox.y;\n }\n // shapes\n // use data\n else {\n bbox = element;\n }\n\n var x = bbox.x * vbox.scale - vbox.x * vbox.scale;\n var y = bbox.y * vbox.scale - vbox.y * vbox.scale;\n\n var width = bbox.width * vbox.scale;\n var height = bbox.height * vbox.scale;\n\n return {\n x: x,\n y: y,\n width: width,\n height: height\n };\n};","'use strict';\n\nvar Model = require(210);\n\n\n/**\n * A factory for diagram-js shapes\n */\nfunction ElementFactory() {\n this._uid = 12;\n}\n\nmodule.exports = ElementFactory;\n\n\nElementFactory.prototype.createRoot = function(attrs) {\n return this.create('root', attrs);\n};\n\nElementFactory.prototype.createLabel = function(attrs) {\n return this.create('label', attrs);\n};\n\nElementFactory.prototype.createShape = function(attrs) {\n return this.create('shape', attrs);\n};\n\nElementFactory.prototype.createConnection = function(attrs) {\n return this.create('connection', attrs);\n};\n\n/**\n * Create a model element with the given type and\n * a number of pre-set attributes.\n *\n * @param {String} type\n * @param {Object} attrs\n * @return {djs.model.Base} the newly created model instance\n */\nElementFactory.prototype.create = function(type, attrs) {\n\n attrs = attrs || {};\n\n if (!attrs.id) {\n attrs.id = type + '_' + (this._uid++);\n }\n\n return Model.create(type, attrs);\n};","'use strict';\n\nvar ELEMENT_ID = 'data-element-id';\n\n\n/**\n * @class\n *\n * A registry that keeps track of all shapes in the diagram.\n */\nfunction ElementRegistry() {\n this._elements = {};\n}\n\nmodule.exports = ElementRegistry;\n\n/**\n * Register a pair of (element, gfx, (secondaryGfx)).\n *\n * @param {djs.model.Base} element\n * @param {Snap<SVGElement>} gfx\n * @param {Snap<SVGElement>} [secondaryGfx] optional other element to register, too\n */\nElementRegistry.prototype.add = function(element, gfx, secondaryGfx) {\n\n var id = element.id;\n\n this._validateId(id);\n\n // associate dom node with element\n gfx.attr(ELEMENT_ID, id);\n\n if (secondaryGfx) {\n secondaryGfx.attr(ELEMENT_ID, id);\n }\n\n this._elements[id] = { element: element, gfx: gfx, secondaryGfx: secondaryGfx };\n};\n\n/**\n * Removes an element from the registry.\n *\n * @param {djs.model.Base} element\n */\nElementRegistry.prototype.remove = function(element) {\n var elements = this._elements,\n id = element.id || element,\n container = id && elements[id];\n\n if (container) {\n\n // unset element id on gfx\n container.gfx.attr(ELEMENT_ID, '');\n\n if (container.secondaryGfx) {\n container.secondaryGfx.attr(ELEMENT_ID, '');\n }\n\n delete elements[id];\n }\n};\n\n/**\n * Update the id of an element\n *\n * @param {djs.model.Base} element\n * @param {String} newId\n */\nElementRegistry.prototype.updateId = function(element, newId) {\n\n this._validateId(newId);\n\n if (typeof element === 'string') {\n element = this.get(element);\n }\n\n var gfx = this.getGraphics(element),\n secondaryGfx = this.getGraphics(element, true);\n\n this.remove(element);\n\n element.id = newId;\n\n this.add(element, gfx, secondaryGfx);\n};\n\n/**\n * Return the model element for a given id or graphics.\n *\n * @example\n *\n * elementRegistry.get('SomeElementId_1');\n * elementRegistry.get(gfx);\n *\n *\n * @param {String|SVGElement} filter for selecting the element\n *\n * @return {djs.model.Base}\n */\nElementRegistry.prototype.get = function(filter) {\n var id;\n\n if (typeof filter === 'string') {\n id = filter;\n } else {\n id = filter && filter.attr(ELEMENT_ID);\n }\n\n var container = this._elements[id];\n return container && container.element;\n};\n\n/**\n * Return all elements that match a given filter function.\n *\n * @param {Function} fn\n *\n * @return {Array<djs.model.Base>}\n */\nElementRegistry.prototype.filter = function(fn) {\n\n var filtered = [];\n\n this.forEach(function(element, gfx) {\n if(fn(element, gfx)) {\n filtered.push(element);\n }\n });\n\n return filtered;\n};\n\n/**\n * Return all rendered model elements.\n *\n * @return {Array<djs.model.Base>}\n */\nElementRegistry.prototype.getAll = function() {\n return this.filter(function(e) { return e; });\n};\n\n/**\n * Iterate over all diagram elements.\n *\n * @param {Function} fn\n */\nElementRegistry.prototype.forEach = function(fn) {\n\n var map = this._elements;\n\n Object.keys(map).forEach(function(id) {\n var container = map[id],\n element = container.element,\n gfx = container.gfx;\n\n return fn(element, gfx);\n });\n};\n\n/**\n * Return the graphical representation of an element or its id.\n *\n * @example\n * elementRegistry.getGraphics('SomeElementId_1');\n * elementRegistry.getGraphics(rootElement); // <g ...>\n *\n * elementRegistry.getGraphics(rootElement, true); // <svg ...>\n *\n *\n * @param {String|djs.model.Base} filter\n * @param {Boolean} [secondary=false] whether to return the secondary connected element\n *\n * @return {SVGElement}\n */\nElementRegistry.prototype.getGraphics = function(filter, secondary) {\n var id = filter.id || filter;\n\n var container = this._elements[id];\n return container && (secondary ? container.secondaryGfx : container.gfx);\n};\n\n/**\n * Validate the suitability of the given id and signals a problem\n * with an exception.\n *\n * @param {String} id\n *\n * @throws {Error} if id is empty or already assigned\n */\nElementRegistry.prototype._validateId = function(id) {\n if (!id) {\n throw new Error('element must have an id');\n }\n\n if (this._elements[id]) {\n throw new Error('element with id ' + id + ' already added');\n }\n};","'use strict';\n\nvar isFunction = require(369),\n isArray = require(368),\n isNumber = require(371),\n bind = require(264),\n assign = require(377);\n\nvar FN_REF = '__fn';\n\nvar DEFAULT_PRIORITY = 1000;\n\nvar slice = Array.prototype.slice;\n\n/**\n * A general purpose event bus.\n *\n * This component is used to communicate across a diagram instance.\n * Other parts of a diagram can use it to listen to and broadcast events.\n *\n *\n * ## Registering for Events\n *\n * The event bus provides the {@link EventBus#on} and {@link EventBus#once}\n * methods to register for events. {@link EventBus#off} can be used to\n * remove event registrations. Listeners receive an instance of {@link Event}\n * as the first argument. It allows them to hook into the event execution.\n *\n * ```javascript\n *\n * // listen for event\n * eventBus.on('foo', function(event) {\n *\n * // access event type\n * event.type; // 'foo'\n *\n * // stop propagation to other listeners\n * event.stopPropagation();\n *\n * // prevent event default\n * event.preventDefault();\n * });\n *\n * // listen for event with custom payload\n * eventBus.on('bar', function(event, payload) {\n * console.log(payload);\n * });\n *\n * // listen for event returning value\n * eventBus.on('foobar', function(event) {\n *\n * // stop event propagation + prevent default\n * return false;\n *\n * // stop event propagation + return custom result\n * return {\n * complex: 'listening result'\n * };\n * });\n *\n *\n * // listen with custom priority (default=1000, higher is better)\n * eventBus.on('priorityfoo', 1500, function(event) {\n * console.log('invoked first!');\n * });\n *\n *\n * // listen for event and pass the context (`this`)\n * eventBus.on('foobar', function(event) {\n * this.foo();\n * }, this);\n * ```\n *\n *\n * ## Emitting Events\n *\n * Events can be emitted via the event bus using {@link EventBus#fire}.\n *\n * ```javascript\n *\n * // false indicates that the default action\n * // was prevented by listeners\n * if (eventBus.fire('foo') === false) {\n * console.log('default has been prevented!');\n * };\n *\n *\n * // custom args + return value listener\n * eventBus.on('sum', function(event, a, b) {\n * return a + b;\n * });\n *\n * // you can pass custom arguments + retrieve result values.\n * var sum = eventBus.fire('sum', 1, 2);\n * console.log(sum); // 3\n * ```\n */\nfunction EventBus() {\n this._listeners = {};\n\n // cleanup on destroy on lowest priority to allow\n // message passing until the bitter end\n this.on('diagram.destroy', 1, this._destroy, this);\n}\n\nmodule.exports = EventBus;\n\n\n/**\n * Register an event listener for events with the given name.\n *\n * The callback will be invoked with `event, ...additionalArguments`\n * that have been passed to {@link EventBus#fire}.\n *\n * Returning false from a listener will prevent the events default action\n * (if any is specified). To stop an event from being processed further in\n * other listeners execute {@link Event#stopPropagation}.\n *\n * Returning anything but `undefined` from a listener will stop the listener propagation.\n *\n * @param {String|Array<String>} events\n * @param {Number} [priority=1000] the priority in which this listener is called, larger is higher\n * @param {Function} callback\n * @param {Object} [that] Pass context (`this`) to the callback\n */\nEventBus.prototype.on = function(events, priority, callback, that) {\n\n events = isArray(events) ? events : [ events ];\n\n if (isFunction(priority)) {\n that = callback;\n callback = priority;\n priority = DEFAULT_PRIORITY;\n }\n\n if (!isNumber(priority)) {\n throw new Error('priority must be a number');\n }\n\n var actualCallback = callback;\n\n if (that) {\n actualCallback = bind(callback, that);\n\n // make sure we remember and are able to remove\n // bound callbacks via {@link #off} using the original\n // callback\n actualCallback[FN_REF] = callback[FN_REF] || callback;\n }\n\n var self = this,\n listener = { priority: priority, callback: actualCallback };\n\n events.forEach(function(e) {\n self._addListener(e, listener);\n });\n};\n\n\n/**\n * Register an event listener that is executed only once.\n *\n * @param {String} event the event name to register for\n * @param {Function} callback the callback to execute\n * @param {Object} [that] Pass context (`this`) to the callback\n */\nEventBus.prototype.once = function(event, priority, callback, that) {\n var self = this;\n\n if (isFunction(priority)) {\n that = callback;\n callback = priority;\n priority = DEFAULT_PRIORITY;\n }\n\n if (!isNumber(priority)) {\n throw new Error('priority must be a number');\n }\n\n function wrappedCallback() {\n self.off(event, wrappedCallback);\n return callback.apply(that, arguments);\n }\n\n // make sure we remember and are able to remove\n // bound callbacks via {@link #off} using the original\n // callback\n wrappedCallback[FN_REF] = callback;\n\n this.on(event, priority, wrappedCallback);\n};\n\n\n/**\n * Removes event listeners by event and callback.\n *\n * If no callback is given, all listeners for a given event name are being removed.\n *\n * @param {String} event\n * @param {Function} [callback]\n */\nEventBus.prototype.off = function(event, callback) {\n var listeners = this._getListeners(event),\n listener,\n listenerCallback,\n idx;\n\n if (callback) {\n\n // move through listeners from back to front\n // and remove matching listeners\n for (idx = listeners.length - 1; !!(listener = listeners[idx]); idx--) {\n listenerCallback = listener.callback;\n\n if (listenerCallback === callback || listenerCallback[FN_REF] === callback) {\n listeners.splice(idx, 1);\n }\n }\n } else {\n // clear listeners\n listeners.length = 0;\n }\n};\n\n\n/**\n * Fires a named event.\n *\n * @example\n *\n * // fire event by name\n * events.fire('foo');\n *\n * // fire event object with nested type\n * var event = { type: 'foo' };\n * events.fire(event);\n *\n * // fire event with explicit type\n * var event = { x: 10, y: 20 };\n * events.fire('element.moved', event);\n *\n * // pass additional arguments to the event\n * events.on('foo', function(event, bar) {\n * alert(bar);\n * });\n *\n * events.fire({ type: 'foo' }, 'I am bar!');\n *\n * @param {String} [name] the optional event name\n * @param {Object} [event] the event object\n * @param {...Object} additional arguments to be passed to the callback functions\n *\n * @return {Boolean} the events return value, if specified or false if the\n * default action was prevented by listeners\n */\nEventBus.prototype.fire = function(type, data) {\n\n var event,\n listeners,\n returnValue,\n args;\n\n args = slice.call(arguments);\n\n if (typeof type === 'object') {\n event = type;\n type = event.type;\n }\n\n if (!type) {\n throw new Error('no event type specified');\n }\n\n listeners = this._listeners[type];\n\n if (!listeners) {\n return;\n }\n\n // we make sure we fire instances of our home made\n // events here. We wrap them only once, though\n if (data instanceof Event) {\n // we are fine, we alread have an event\n event = data;\n } else {\n event = new Event();\n event.init(data);\n }\n\n // ensure we pass the event as the first parameter\n args[0] = event;\n\n // original event type (in case we delegate)\n var originalType = event.type;\n\n // update event type before delegation\n if (type !== originalType) {\n event.type = type;\n }\n\n try {\n returnValue = this._invokeListeners(event, args, listeners);\n } finally {\n // reset event type after delegation\n if (type !== originalType) {\n event.type = originalType;\n }\n }\n\n // set the return value to false if the event default\n // got prevented and no other return value exists\n if (returnValue === undefined && event.defaultPrevented) {\n returnValue = false;\n }\n\n return returnValue;\n};\n\n\nEventBus.prototype.handleError = function(error) {\n return this.fire('error', { error: error }) === false;\n};\n\n\nEventBus.prototype._destroy = function() {\n this._listeners = {};\n};\n\nEventBus.prototype._invokeListeners = function(event, args, listeners) {\n\n var idx,\n listener,\n returnValue;\n\n for (idx = 0; !!(listener = listeners[idx]); idx++) {\n\n // handle stopped propagation\n if (event.cancelBubble) {\n break;\n }\n\n returnValue = this._invokeListener(event, args, listener);\n }\n\n return returnValue;\n};\n\nEventBus.prototype._invokeListener = function(event, args, listener) {\n\n var returnValue;\n\n try {\n // returning false prevents the default action\n returnValue = invokeFunction(listener.callback, args);\n\n // stop propagation on return value\n if (returnValue !== undefined) {\n event.returnValue = returnValue;\n event.stopPropagation();\n }\n\n // prevent default on return false\n if (returnValue === false) {\n event.preventDefault();\n }\n } catch (e) {\n if (!this.handleError(e)) {\n console.error('unhandled error in event listener');\n console.error(e.stack);\n\n throw e;\n }\n }\n\n return returnValue;\n};\n\n/*\n * Add new listener with a certain priority to the list\n * of listeners (for the given event).\n *\n * The semantics of listener registration / listener execution are\n * first register, first serve: New listeners will always be inserted\n * after existing listeners with the same priority.\n *\n * Example: Inserting two listeners with priority 1000 and 1300\n *\n * * before: [ 1500, 1500, 1000, 1000 ]\n * * after: [ 1500, 1500, (new=1300), 1000, 1000, (new=1000) ]\n *\n * @param {String} event\n * @param {Object} listener { priority, callback }\n */\nEventBus.prototype._addListener = function(event, newListener) {\n\n var listeners = this._getListeners(event),\n existingListener,\n idx;\n\n // ensure we order listeners by priority from\n // 0 (high) to n > 0 (low)\n for (idx = 0; !!(existingListener = listeners[idx]); idx++) {\n if (existingListener.priority < newListener.priority) {\n\n // prepend newListener at before existingListener\n listeners.splice(idx, 0, newListener);\n return;\n }\n }\n\n listeners.push(newListener);\n};\n\n\nEventBus.prototype._getListeners = function(name) {\n var listeners = this._listeners[name];\n\n if (!listeners) {\n this._listeners[name] = listeners = [];\n }\n\n return listeners;\n};\n\n\n/**\n * A event that is emitted via the event bus.\n */\nfunction Event() { }\n\nmodule.exports.Event = Event;\n\nEvent.prototype.stopPropagation = function() {\n this.cancelBubble = true;\n};\n\nEvent.prototype.preventDefault = function() {\n this.defaultPrevented = true;\n};\n\nEvent.prototype.init = function(data) {\n assign(this, data || {});\n};\n\n\n/**\n * Invoke function. Be fast...\n *\n * @param {Function} fn\n * @param {Array<Object>} args\n *\n * @return {Any}\n */\nfunction invokeFunction(fn, args) {\n return fn.apply(null, args);\n}\n","'use strict';\n\nvar forEach = require(255),\n reduce = require(259);\n\nvar GraphicsUtil = require(224),\n domClear = require(391);\n\n/**\n * A factory that creates graphical elements\n *\n * @param {EventBus} eventBus\n * @param {ElementRegistry} elementRegistry\n */\nfunction GraphicsFactory(eventBus, elementRegistry) {\n this._eventBus = eventBus;\n this._elementRegistry = elementRegistry;\n}\n\nGraphicsFactory.$inject = [ 'eventBus' , 'elementRegistry' ];\n\nmodule.exports = GraphicsFactory;\n\n\nGraphicsFactory.prototype._getChildren = function(element) {\n\n var gfx = this._elementRegistry.getGraphics(element);\n\n var childrenGfx;\n\n // root element\n if (!element.parent) {\n childrenGfx = gfx;\n } else {\n childrenGfx = GraphicsUtil.getChildren(gfx);\n if (!childrenGfx) {\n childrenGfx = gfx.parent().group().attr('class', 'djs-children');\n }\n }\n\n return childrenGfx;\n};\n\n/**\n * Clears the graphical representation of the element and returns the\n * cleared visual (the <g class=\"djs-visual\" /> element).\n */\nGraphicsFactory.prototype._clear = function(gfx) {\n var visual = GraphicsUtil.getVisual(gfx);\n\n domClear(visual.node);\n\n return visual;\n};\n\n/**\n * Creates a gfx container for shapes and connections\n *\n * The layout is as follows:\n *\n * <g class=\"djs-group\">\n *\n * <!-- the gfx -->\n * <g class=\"djs-element djs-(shape|connection)\">\n * <g class=\"djs-visual\">\n * <!-- the renderer draws in here -->\n * </g>\n *\n * <!-- extensions (overlays, click box, ...) goes here\n * </g>\n *\n * <!-- the gfx child nodes -->\n * <g class=\"djs-children\"></g>\n * </g>\n *\n * @param {Object} parent\n * @param {String} type the type of the element, i.e. shape | connection\n */\nGraphicsFactory.prototype._createContainer = function(type, parentGfx) {\n var outerGfx = parentGfx.group().attr('class', 'djs-group'),\n gfx = outerGfx.group().attr('class', 'djs-element djs-' + type);\n\n // create visual\n gfx.group().attr('class', 'djs-visual');\n\n return gfx;\n};\n\nGraphicsFactory.prototype.create = function(type, element) {\n var childrenGfx = this._getChildren(element.parent);\n return this._createContainer(type, childrenGfx);\n};\n\n\nGraphicsFactory.prototype.updateContainments = function(elements) {\n\n var self = this,\n elementRegistry = this._elementRegistry,\n parents;\n\n\n parents = reduce(elements, function(map, e) {\n\n if (e.parent) {\n map[e.parent.id] = e.parent;\n }\n\n return map;\n }, {});\n\n // update all parents of changed and reorganized their children\n // in the correct order (as indicated in our model)\n forEach(parents, function(parent) {\n\n var childGfx = self._getChildren(parent),\n children = parent.children;\n\n if (!children) {\n return;\n }\n\n forEach(children.slice().reverse(), function(c) {\n var gfx = elementRegistry.getGraphics(c);\n gfx.parent().prependTo(childGfx);\n });\n });\n};\n\nGraphicsFactory.prototype.drawShape = function(visual, element) {\n var eventBus = this._eventBus;\n\n return eventBus.fire('render.shape', { gfx: visual, element: element });\n};\n\nGraphicsFactory.prototype.getShapePath = function (element) {\n var eventBus = this._eventBus;\n\n return eventBus.fire('render.getShapePath', element);\n};\n\nGraphicsFactory.prototype.drawConnection = function(visual, element) {\n var eventBus = this._eventBus;\n\n return eventBus.fire('render.connection', { gfx: visual, element: element });\n};\n\nGraphicsFactory.prototype.getConnectionPath = function (waypoints) {\n var eventBus = this._eventBus;\n\n return eventBus.fire('render.getConnectionPath', waypoints);\n};\n\nGraphicsFactory.prototype.update = function(type, element, gfx) {\n // Do not update root element\n if (!element.parent) {\n return;\n }\n\n var visual = this._clear(gfx);\n\n // redraw\n if (type === 'shape') {\n this.drawShape(visual, element);\n\n // update positioning\n gfx.translate(element.x, element.y);\n } else\n if (type === 'connection') {\n this.drawConnection(visual, element);\n } else {\n throw new Error('unknown type: ' + type);\n }\n\n gfx.attr('display', element.hidden ? 'none' : 'block');\n};\n\nGraphicsFactory.prototype.remove = function(element) {\n var gfx = this._elementRegistry.getGraphics(element);\n\n // remove\n gfx.parent().remove();\n};\n","module.exports = {\n __depends__: [ require(110) ],\n __init__: [ 'canvas' ],\n canvas: [ 'type', require(101) ],\n elementRegistry: [ 'type', require(103) ],\n elementFactory: [ 'type', require(102) ],\n eventBus: [ 'type', require(104) ],\n graphicsFactory: [ 'type', require(105) ]\n};","'use strict';\n\nvar DEFAULT_RENDER_PRIORITY = 1000;\n\n/**\n * The base implementation of shape and connection renderers.\n *\n * @param {EventBus} eventBus\n * @param {Number} [renderPriority=1000]\n */\nfunction BaseRenderer(eventBus, renderPriority) {\n var self = this;\n\n renderPriority = renderPriority || DEFAULT_RENDER_PRIORITY;\n\n eventBus.on([ 'render.shape', 'render.connection' ], renderPriority, function(evt, context) {\n var type = evt.type,\n element = context.element,\n visuals = context.gfx;\n\n if (self.canRender(element)) {\n if (type === 'render.shape') {\n return self.drawShape(visuals, element);\n } else {\n return self.drawConnection(visuals, element);\n }\n }\n });\n\n eventBus.on([ 'render.getShapePath', 'render.getConnectionPath'], renderPriority, function(evt, element) {\n if (self.canRender(element)) {\n if (evt.type === 'render.getShapePath') {\n return self.getShapePath(element);\n } else {\n return self.getConnectionPath(element);\n }\n }\n });\n}\n\n/**\n * Should check whether *this* renderer can render\n * the element/connection.\n *\n * @param {element} element\n *\n * @returns {Boolean}\n */\nBaseRenderer.prototype.canRender = function() {};\n\n/**\n * Provides the shape's snap svg element to be drawn on the `canvas`.\n *\n * @param {djs.Graphics} visuals\n * @param {Shape} shape\n *\n * @returns {Snap.svg} [returns a Snap.svg paper element ]\n */\nBaseRenderer.prototype.drawShape = function() {};\n\n/**\n * Provides the shape's snap svg element to be drawn on the `canvas`.\n *\n * @param {djs.Graphics} visuals\n * @param {Connection} connection\n *\n * @returns {Snap.svg} [returns a Snap.svg paper element ]\n */\nBaseRenderer.prototype.drawConnection = function() {};\n\n/**\n * Gets the SVG path of a shape that represents it's visual bounds.\n *\n * @param {Shape} shape\n *\n * @return {string} svg path\n */\nBaseRenderer.prototype.getShapePath = function() {};\n\n/**\n * Gets the SVG path of a connection that represents it's visual bounds.\n *\n * @param {Connection} connection\n *\n * @return {string} svg path\n */\nBaseRenderer.prototype.getConnectionPath = function() {};\n\nmodule.exports = BaseRenderer;\n","'use strict';\n\nvar inherits = require(243);\n\nvar BaseRenderer = require(107);\n\nvar renderUtil = require(231);\n\nvar componentsToPath = renderUtil.componentsToPath,\n createLine = renderUtil.createLine;\n\n// apply default renderer with lowest possible priority\n// so that it only kicks in if noone else could render\nvar DEFAULT_RENDER_PRIORITY = 1;\n\n/**\n * The default renderer used for shapes and connections.\n *\n * @param {EventBus} eventBus\n * @param {Styles} styles\n */\nfunction DefaultRenderer(eventBus, styles) {\n //\n BaseRenderer.call(this, eventBus, DEFAULT_RENDER_PRIORITY);\n\n this.CONNECTION_STYLE = styles.style([ 'no-fill' ], { strokeWidth: 5, stroke: 'fuchsia' });\n this.SHAPE_STYLE = styles.style({ fill: 'white', stroke: 'fuchsia', strokeWidth: 2 });\n}\n\ninherits(DefaultRenderer, BaseRenderer);\n\n\nDefaultRenderer.prototype.canRender = function() {\n return true;\n};\n\nDefaultRenderer.prototype.drawShape = function drawShape(visuals, element) {\n return visuals.rect(0, 0, element.width || 0, element.height || 0).attr(this.SHAPE_STYLE);\n};\n\nDefaultRenderer.prototype.drawConnection = function drawConnection(visuals, connection) {\n return createLine(connection.waypoints, this.CONNECTION_STYLE).appendTo(visuals);\n};\n\nDefaultRenderer.prototype.getShapePath = function getShapePath(shape) {\n\n var x = shape.x,\n y = shape.y,\n width = shape.width,\n height = shape.height;\n\n var shapePath = [\n ['M', x, y],\n ['l', width, 0],\n ['l', 0, height],\n ['l', -width, 0],\n ['z']\n ];\n\n return componentsToPath(shapePath);\n};\n\nDefaultRenderer.prototype.getConnectionPath = function getConnectionPath(connection) {\n var waypoints = connection.waypoints;\n\n var idx, point, connectionPath = [];\n\n for (idx = 0; !!(point = waypoints[idx]); idx++) {\n\n // take invisible docking into account\n // when creating the path\n point = point.original || point;\n\n connectionPath.push([ idx === 0 ? 'M' : 'L', point.x, point.y ]);\n }\n\n return componentsToPath(connectionPath);\n};\n\n\nDefaultRenderer.$inject = [ 'eventBus', 'styles' ];\n\nmodule.exports = DefaultRenderer;\n","'use strict';\n\nvar isArray = require(368),\n assign = require(377),\n reduce = require(259);\n\n\n/**\n * A component that manages shape styles\n */\nfunction Styles() {\n\n var defaultTraits = {\n\n 'no-fill': {\n fill: 'none'\n },\n 'no-border': {\n strokeOpacity: 0.0\n },\n 'no-events': {\n pointerEvents: 'none'\n }\n };\n\n var self = this;\n\n /**\n * Builds a style definition from a className, a list of traits and an object of additional attributes.\n *\n * @param {String} className\n * @param {Array<String>} traits\n * @param {Object} additionalAttrs\n *\n * @return {Object} the style defintion\n */\n this.cls = function(className, traits, additionalAttrs) {\n var attrs = this.style(traits, additionalAttrs);\n\n return assign(attrs, { 'class': className });\n };\n\n /**\n * Builds a style definition from a list of traits and an object of additional attributes.\n *\n * @param {Array<String>} traits\n * @param {Object} additionalAttrs\n *\n * @return {Object} the style defintion\n */\n this.style = function(traits, additionalAttrs) {\n\n if (!isArray(traits) && !additionalAttrs) {\n additionalAttrs = traits;\n traits = [];\n }\n\n var attrs = reduce(traits, function(attrs, t) {\n return assign(attrs, defaultTraits[t] || {});\n }, {});\n\n return additionalAttrs ? assign(attrs, additionalAttrs) : attrs;\n };\n\n this.computeStyle = function(custom, traits, defaultStyles) {\n if (!isArray(traits)) {\n defaultStyles = traits;\n traits = [];\n }\n\n return self.style(traits || [], assign({}, defaultStyles, custom || {}));\n };\n}\n\nmodule.exports = Styles;\n","module.exports = {\n __init__: [ 'defaultRenderer' ],\n defaultRenderer: [ 'type', require(108) ],\n styles: [ 'type', require(109) ]\n};\n","'use strict';\n\nvar forEach = require(255),\n flatten = require(245),\n filter = require(253),\n groupBy = require(256),\n map = require(258);\n\nvar saveClear = require(230).saveClear;\n\nvar getNewAttachShapeDelta = require(217).getNewAttachShapeDelta;\n\nvar inherits = require(243);\n\nvar LOW_PRIORITY = 250,\n HIGH_PRIORITY = 1500;\n\nvar CommandInterceptor = require(98);\n\n\nfunction AttachSupport(eventBus, modeling, moveVisuals, rules) {\n\n CommandInterceptor.call(this, eventBus);\n\n\n // remove all the nested attached elements from the moved\n // shapes; they will be moved together with the host element\n // anyway\n eventBus.on('shape.move.start', HIGH_PRIORITY, function(e) {\n\n var context = e.context,\n shapes = context.shapes;\n\n context.shapes = removeAttached(shapes);\n });\n\n // add attachers to the visual's group\n eventBus.on('shape.move.start', LOW_PRIORITY, function(e) {\n\n var context = e.context,\n shapes = context.shapes,\n attachers = context.movedAttachers = getAttachers(shapes);\n\n forEach(attachers, function(attacher) {\n moveVisuals.makeDraggable(context, attacher, true);\n\n if (attacher.label) {\n moveVisuals.makeDraggable(context, attacher.label, true);\n }\n });\n });\n\n // move all attachments after the other shapes are done moving\n this.postExecuted([ 'elements.move' ], function(event) {\n\n var context = event.context,\n delta = context.delta,\n newParent = context.newParent,\n closure = context.closure,\n enclosedElements = closure.enclosedElements,\n attachers = getAttachers(enclosedElements);\n\n // ensure we move all attachers with their hosts\n // if they have not been moved already\n forEach(attachers, function(attacher){\n if (!enclosedElements[attacher.id]) {\n modeling.moveShape(attacher, delta, newParent);\n }\n\n // ensure to move attachment labels if host has moved\n if (attacher.label && !enclosedElements[attacher.label.id]) {\n modeling.moveShape(attacher.label, delta, newParent);\n }\n });\n });\n\n // perform the attaching after shapes are done moving\n this.postExecuted([ 'elements.move' ], function(e) {\n\n var context = e.context,\n shapes = context.shapes,\n newHost = context.newHost,\n attachers;\n\n if (shapes.length > 1) {\n return;\n }\n\n if (newHost) {\n\n attachers = shapes;\n } else {\n\n attachers = filter(shapes, function(s) {\n return !!s.host;\n });\n }\n\n forEach(attachers, function(attacher) {\n modeling.updateAttachment(attacher, newHost);\n });\n });\n\n // ensure invalid attachment connections are removed\n this.postExecuted([ 'elements.move' ], function(e) {\n\n var shapes = e.context.shapes;\n\n forEach(shapes, function(shape) {\n\n forEach(shape.attachers, function(attacher) {\n\n // remove invalid outgoing connections\n forEach(attacher.outgoing, function(connection) {\n var allowed = rules.allowed('connection.reconnectStart', {\n connection: connection,\n source: connection.source,\n target: connection.target\n });\n\n if (!allowed) {\n modeling.removeConnection(connection);\n }\n });\n\n // remove invalid incoming connections\n forEach(attacher.incoming, function(connection) {\n var allowed = rules.allowed('connection.reconnectEnd', {\n connection: connection,\n source: connection.source,\n target: connection.target\n });\n\n if (!allowed) {\n modeling.removeConnection(connection);\n }\n });\n });\n });\n });\n\n this.postExecute([ 'shape.create' ], function(e) {\n var context = e.context,\n shape = context.shape,\n host = context.host;\n\n if (host) {\n modeling.updateAttachment(shape, host);\n }\n });\n\n // update attachments if the host is replaced\n this.postExecute([ 'shape.replace' ], function(e) {\n\n var context = e.context,\n oldShape = context.oldShape,\n newShape = context.newShape;\n\n saveClear(oldShape.attachers, function(attacher) {\n var allowed = rules.allowed('elements.move', {\n target: newShape,\n shapes: [attacher]\n });\n\n if (allowed === 'attach') {\n modeling.updateAttachment(attacher, newShape);\n } else {\n modeling.removeShape(attacher);\n }\n });\n\n });\n\n // move shape on host resize\n this.postExecute([ 'shape.resize' ], function(event) {\n var context = event.context,\n shape = context.shape,\n oldBounds = context.oldBounds,\n newBounds = context.newBounds,\n attachers = shape.attachers;\n\n if (!attachers.length) {\n return;\n }\n\n forEach(attachers, function(attacher) {\n var delta = getNewAttachShapeDelta(attacher, oldBounds, newBounds);\n\n modeling.moveShape(attacher, delta, attacher.parent);\n });\n });\n\n // remove attachments\n this.preExecute([ 'shape.delete' ], function(event) {\n\n var shape = event.context.shape;\n\n saveClear(shape.attachers, function(attacher) {\n modeling.removeShape(attacher);\n });\n\n if (shape.host) {\n modeling.updateAttachment(shape, null);\n }\n });\n}\n\ninherits(AttachSupport, CommandInterceptor);\n\nAttachSupport.$inject = [ 'eventBus', 'modeling', 'moveVisuals', 'rules' ];\n\nmodule.exports = AttachSupport;\n\n\n/**\n * Return attachers of the given shapes\n *\n * @param {Array<djs.model.Base>} shapes\n * @return {Array<djs.model.Base>}\n */\nfunction getAttachers(shapes) {\n return flatten(map(shapes, function(s) {\n return s.attachers || [];\n }));\n}\n\n\n/**\n * Return a filtered list of elements that do not\n * contain attached elements with hosts being part\n * of the selection.\n *\n * @param {Array<djs.model.Base>} elements\n *\n * @return {Array<djs.model.Base>} filtered\n */\nfunction removeAttached(elements) {\n\n var ids = groupBy(elements, 'id');\n\n return filter(elements, function(element) {\n while (element) {\n\n // host in selection\n if (element.host && ids[element.host.id]) {\n return false;\n }\n\n element = element.parent;\n }\n\n return true;\n });\n}\n","module.exports = {\n __depends__: [\n require(166),\n require(139)\n ],\n __init__: [ 'attachSupport'],\n attachSupport: [ 'type', require(111) ]\n};\n","'use strict';\n\nvar Geometry = require(223),\n BendpointUtil = require(115);\n\nvar MARKER_OK = 'connect-ok',\n MARKER_NOT_OK = 'connect-not-ok',\n MARKER_CONNECT_HOVER = 'connect-hover',\n MARKER_CONNECT_UPDATING = 'djs-updating';\n\nvar COMMAND_BENDPOINT_UPDATE = 'connection.updateWaypoints',\n COMMAND_RECONNECT_START = 'connection.reconnectStart',\n COMMAND_RECONNECT_END = 'connection.reconnectEnd';\n\nvar round = Math.round;\n\n\n/**\n * A component that implements moving of bendpoints\n */\nfunction BendpointMove(injector, eventBus, canvas, dragging, graphicsFactory, rules, modeling) {\n\n // optional connection docking integration\n var connectionDocking = injector.get('connectionDocking', false);\n\n\n // API\n\n this.start = function(event, connection, bendpointIndex, insert) {\n\n var type,\n context,\n waypoints = connection.waypoints,\n gfx = canvas.getGraphics(connection);\n\n if (!insert && bendpointIndex === 0) {\n type = COMMAND_RECONNECT_START;\n } else\n if (!insert && bendpointIndex === waypoints.length - 1) {\n type = COMMAND_RECONNECT_END;\n } else {\n type = COMMAND_BENDPOINT_UPDATE;\n }\n\n context = {\n connection: connection,\n bendpointIndex: bendpointIndex,\n insert: insert,\n type: type\n };\n\n dragging.init(event, 'bendpoint.move', {\n data: {\n connection: connection,\n connectionGfx: gfx,\n context: context\n }\n });\n };\n\n\n // DRAGGING IMPLEMENTATION\n\n\n function redrawConnection(data) {\n graphicsFactory.update('connection', data.connection, data.connectionGfx);\n }\n\n function filterRedundantWaypoints(waypoints) {\n return waypoints.filter(function(r, idx) {\n return !Geometry.pointsOnLine(waypoints[idx - 1], waypoints[idx + 1], r);\n });\n }\n\n eventBus.on('bendpoint.move.start', function(e) {\n\n var context = e.context,\n connection = context.connection,\n originalWaypoints = connection.waypoints,\n waypoints = originalWaypoints.slice(),\n insert = context.insert,\n idx = context.bendpointIndex;\n\n context.originalWaypoints = originalWaypoints;\n\n if (insert) {\n // insert placeholder for bendpoint to-be-added\n waypoints.splice(idx, 0, null);\n }\n\n connection.waypoints = waypoints;\n\n // add dragger gfx\n context.draggerGfx = BendpointUtil.addBendpoint(canvas.getLayer('overlays'));\n context.draggerGfx.addClass('djs-dragging');\n\n canvas.addMarker(connection, MARKER_CONNECT_UPDATING);\n });\n\n eventBus.on('bendpoint.move.hover', function(e) {\n\n e.context.hover = e.hover;\n canvas.addMarker(e.hover, MARKER_CONNECT_HOVER);\n });\n\n eventBus.on([\n 'bendpoint.move.out',\n 'bendpoint.move.cleanup'\n ], function(e) {\n\n // remove connect marker\n // if it was added\n var hover = e.context.hover;\n\n if (hover) {\n canvas.removeMarker(hover, MARKER_CONNECT_HOVER);\n canvas.removeMarker(hover, e.context.target ? MARKER_OK : MARKER_NOT_OK);\n }\n });\n\n eventBus.on('bendpoint.move.move', function(e) {\n\n var context = e.context,\n moveType = context.type,\n connection = e.connection,\n source, target;\n\n connection.waypoints[context.bendpointIndex] = { x: e.x, y: e.y };\n\n if (connectionDocking) {\n\n if (context.hover) {\n if (moveType === COMMAND_RECONNECT_START) {\n source = context.hover;\n }\n\n if (moveType === COMMAND_RECONNECT_END) {\n target = context.hover;\n }\n }\n\n connection.waypoints = connectionDocking.getCroppedWaypoints(connection, source, target);\n }\n\n // asks whether reconnect / bendpoint move / bendpoint add\n // is allowed at the given position\n var allowed = context.allowed = rules.allowed(context.type, context);\n\n if (allowed) {\n\n if (context.hover) {\n canvas.removeMarker(context.hover, MARKER_NOT_OK);\n canvas.addMarker(context.hover, MARKER_OK);\n\n context.target = context.hover;\n }\n } else\n if (allowed === false) {\n if (context.hover) {\n canvas.removeMarker(context.hover, MARKER_OK);\n canvas.addMarker(context.hover, MARKER_NOT_OK);\n\n context.target = null;\n }\n }\n\n // add dragger gfx\n context.draggerGfx.translate(e.x, e.y);\n\n redrawConnection(e);\n });\n\n eventBus.on([\n 'bendpoint.move.end',\n 'bendpoint.move.cancel'\n ], function(e) {\n\n var context = e.context,\n hover = context.hover,\n connection = context.connection;\n\n // remove dragger gfx\n context.draggerGfx.remove();\n context.newWaypoints = connection.waypoints.slice();\n connection.waypoints = context.originalWaypoints;\n canvas.removeMarker(connection, MARKER_CONNECT_UPDATING);\n\n if (hover) {\n canvas.removeMarker(hover, MARKER_OK);\n canvas.removeMarker(hover, MARKER_NOT_OK);\n }\n });\n\n eventBus.on('bendpoint.move.end', function(e) {\n\n var context = e.context,\n waypoints = context.newWaypoints,\n bendpointIndex = context.bendpointIndex,\n bendpoint = waypoints[bendpointIndex],\n allowed = context.allowed;\n\n // ensure we have actual pixel values bendpoint\n // coordinates (important when zoom level was > 1 during move)\n bendpoint.x = round(bendpoint.x);\n bendpoint.y = round(bendpoint.y);\n\n if (allowed && context.type === COMMAND_RECONNECT_START) {\n modeling.reconnectStart(context.connection, context.target, bendpoint);\n } else\n if (allowed && context.type === COMMAND_RECONNECT_END) {\n modeling.reconnectEnd(context.connection, context.target, bendpoint);\n } else\n if (allowed !== false && context.type === COMMAND_BENDPOINT_UPDATE) {\n modeling.updateWaypoints(context.connection, filterRedundantWaypoints(waypoints));\n } else {\n redrawConnection(e);\n\n return false;\n }\n });\n\n eventBus.on('bendpoint.move.cancel', function(e) {\n redrawConnection(e);\n });\n}\n\nBendpointMove.$inject = [ 'injector', 'eventBus', 'canvas', 'dragging', 'graphicsFactory', 'rules', 'modeling' ];\n\nmodule.exports = BendpointMove;\n","'use strict';\n\nvar assign = require(377),\n pick = require(383),\n forEach = require(255);\n\nvar getMidPoint = require(223).getMidPoint;\n\nvar Snap = require(240);\n\nvar round = Math.round;\n\n\nfunction BendpointSnapping(eventBus) {\n\n function snapTo(candidates, point) {\n return Snap.snapTo(candidates, point);\n }\n\n function toPoint(e) {\n return pick(e, [ 'x', 'y' ]);\n }\n\n function mid(element) {\n if (element.width) {\n return {\n x: round(element.width / 2 + element.x),\n y: round(element.height / 2 + element.y)\n };\n }\n }\n\n ////////// connection segment snapping //////////////////////////////////////\n\n function getConnectionSegmentSnaps(context) {\n\n var snapPoints = context.snapPoints,\n connection = context.connection,\n waypoints = connection.waypoints,\n segmentStart = context.segmentStart,\n segmentStartIndex = context.segmentStartIndex,\n segmentEnd = context.segmentEnd,\n segmentEndIndex = context.segmentEndIndex,\n axis = context.axis;\n\n if (snapPoints) {\n return snapPoints;\n }\n\n var referenceWaypoints = [\n waypoints[segmentStartIndex - 1],\n segmentStart,\n segmentEnd,\n waypoints[segmentEndIndex + 1]\n ];\n\n if (segmentStartIndex < 2) {\n referenceWaypoints.unshift(mid(connection.source));\n }\n\n if (segmentEndIndex > waypoints.length - 3) {\n referenceWaypoints.unshift(mid(connection.target));\n }\n\n context.snapPoints = snapPoints = { horizontal: [] , vertical: [] };\n\n forEach(referenceWaypoints, function(p) {\n // we snap on existing bendpoints only,\n // not placeholders that are inserted during add\n if (p) {\n p = p.original || p;\n\n if (axis === 'y') {\n snapPoints.horizontal.push(p.y);\n }\n\n if (axis === 'x') {\n snapPoints.vertical.push(p.x);\n }\n }\n });\n\n return snapPoints;\n }\n\n eventBus.on('connectionSegment.move.start', function(event) {\n\n var context = event.context,\n segmentStart = context.segmentStart,\n segmentEnd = context.segmentEnd,\n mid = getMidPoint(segmentStart, segmentEnd);\n\n context.snapStart = toPoint(mid);\n });\n\n eventBus.on('connectionSegment.move.move', 1500, function(event) {\n\n var context = event.context,\n snapPoints = getConnectionSegmentSnaps(context),\n start = context.snapStart,\n x = start.x + event.dx,\n y = start.y + event.dy,\n sx, sy;\n\n if (!snapPoints) {\n return;\n }\n\n // snap\n sx = snapTo(snapPoints.vertical, x);\n sy = snapTo(snapPoints.horizontal, y);\n\n\n // correction x/y\n var cx = (x - sx),\n cy = (y - sy);\n\n // update delta\n assign(event, {\n dx: event.dx - cx,\n dy: event.dy - cy,\n x: event.x - cx,\n y: event.y - cy\n });\n });\n\n\n ///////// bendpoint snapping /////////////////////////////\n\n function getBendpointSnaps(context) {\n\n var snapPoints = context.snapPoints,\n waypoints = context.connection.waypoints,\n bendpointIndex = context.bendpointIndex;\n\n if (snapPoints) {\n return snapPoints;\n }\n\n var referenceWaypoints = [ waypoints[bendpointIndex - 1], waypoints[bendpointIndex + 1] ];\n\n context.snapPoints = snapPoints = { horizontal: [] , vertical: [] };\n\n forEach(referenceWaypoints, function(p) {\n // we snap on existing bendpoints only,\n // not placeholders that are inserted during add\n if (p) {\n p = p.original || p;\n\n snapPoints.horizontal.push(p.y);\n snapPoints.vertical.push(p.x);\n }\n });\n\n return snapPoints;\n }\n\n eventBus.on('bendpoint.move.start', function(event) {\n var context = event.context;\n\n context.snapStart = toPoint(event);\n });\n\n eventBus.on('bendpoint.move.move', 1500, function(event) {\n\n var context = event.context,\n snapPoints = getBendpointSnaps(context),\n start = context.snapStart,\n target = context.target,\n targetMid = target && mid(target),\n x = start.x + event.dx,\n y = start.y + event.dy,\n sx, sy;\n\n if (!snapPoints) {\n return;\n }\n\n // snap\n sx = snapTo(targetMid ? snapPoints.vertical.concat([ targetMid.x ]) : snapPoints.vertical, x);\n sy = snapTo(targetMid ? snapPoints.horizontal.concat([ targetMid.y ]) : snapPoints.horizontal, y);\n\n\n // correction x/y\n var cx = (x - sx),\n cy = (y - sy);\n\n // update delta\n assign(event, {\n dx: event.dx - cx,\n dy: event.dy - cy,\n x: event.x - cx,\n y: event.y - cy\n });\n });\n}\n\n\nBendpointSnapping.$inject = [ 'eventBus' ];\n\nmodule.exports = BendpointSnapping;","'use strict';\n\nvar Events = require(222),\n Geometry = require(223);\n\nvar Snap = require(240);\n\nvar BENDPOINT_CLS = module.exports.BENDPOINT_CLS = 'djs-bendpoint';\nvar SEGMENT_DRAGGER_CLS = module.exports.SEGMENT_DRAGGER_CLS = 'djs-segment-dragger';\n\n\nmodule.exports.toCanvasCoordinates = function(canvas, event) {\n\n var position = Events.toPoint(event),\n clientRect = canvas._container.getBoundingClientRect(),\n offset;\n\n // canvas relative position\n\n offset = {\n x: clientRect.left,\n y: clientRect.top\n };\n\n // update actual event payload with canvas relative measures\n\n var viewbox = canvas.viewbox();\n\n return {\n x: viewbox.x + (position.x - offset.x) / viewbox.scale,\n y: viewbox.y + (position.y - offset.y) / viewbox.scale\n };\n};\n\nmodule.exports.addBendpoint = function(parentGfx, cls) {\n var groupGfx = parentGfx.group().addClass(BENDPOINT_CLS);\n\n groupGfx.circle(0, 0, 4).addClass('djs-visual');\n groupGfx.circle(0, 0, 10).addClass('djs-hit');\n\n if (cls) {\n groupGfx.addClass(cls);\n }\n\n return groupGfx;\n};\n\nfunction createParallelDragger(parentGfx, position, alignment) {\n var draggerGfx = parentGfx.group();\n\n var width = 14,\n height = 3,\n padding = 6,\n hitWidth = width + padding,\n hitHeight = height + padding;\n\n draggerGfx.rect(-width / 2, -height / 2, width, height).addClass('djs-visual');\n draggerGfx.rect(-hitWidth / 2, -hitHeight / 2, hitWidth, hitHeight).addClass('djs-hit');\n\n var matrix = new Snap.Matrix().rotate(alignment === 'h' ? 90 : 0, 0, 0);\n\n draggerGfx.transform(matrix);\n\n return draggerGfx;\n}\n\n\nmodule.exports.addSegmentDragger = function(parentGfx, segmentStart, segmentEnd) {\n\n var groupGfx = parentGfx.group(),\n mid = Geometry.getMidPoint(segmentStart, segmentEnd),\n alignment = Geometry.pointsAligned(segmentStart, segmentEnd);\n\n createParallelDragger(groupGfx, mid, alignment);\n\n groupGfx.addClass(SEGMENT_DRAGGER_CLS);\n groupGfx.addClass(alignment === 'h' ? 'vertical' : 'horizontal');\n groupGfx.translate(mid.x, mid.y);\n\n return groupGfx;\n};\n","'use strict';\n\nvar domEvent = require(395),\n BendpointUtil = require(115);\n\nvar pointsAligned = require(223).pointsAligned,\n getMidPoint = require(223).getMidPoint;\n\nvar BENDPOINT_CLS = BendpointUtil.BENDPOINT_CLS,\n SEGMENT_DRAGGER_CLS = BendpointUtil.SEGMENT_DRAGGER_CLS;\n\nvar getApproxIntersection = require(226).getApproxIntersection;\n\n\n/**\n * A service that adds editable bendpoints to connections.\n */\nfunction Bendpoints(eventBus, canvas, interactionEvents,\n bendpointMove, connectionSegmentMove) {\n\n function getConnectionIntersection(waypoints, event) {\n var localPosition = BendpointUtil.toCanvasCoordinates(canvas, event),\n intersection = getApproxIntersection(waypoints, localPosition);\n\n return intersection;\n }\n\n function isIntersectionMiddle(intersection, waypoints, treshold) {\n var idx = intersection.index,\n p = intersection.point,\n p0, p1, mid, aligned, xDelta, yDelta;\n\n if (idx <= 0 || intersection.bendpoint) {\n return false;\n }\n\n p0 = waypoints[idx - 1];\n p1 = waypoints[idx];\n mid = getMidPoint(p0, p1),\n aligned = pointsAligned(p0, p1);\n xDelta = Math.abs(p.x - mid.x);\n yDelta = Math.abs(p.y - mid.y);\n\n return aligned && xDelta <= treshold && yDelta <= treshold;\n }\n\n function activateBendpointMove(event, connection) {\n var waypoints = connection.waypoints,\n intersection = getConnectionIntersection(waypoints, event);\n\n if (!intersection) {\n return;\n }\n\n if (isIntersectionMiddle(intersection, waypoints, 10)) {\n connectionSegmentMove.start(event, connection, intersection.index);\n } else {\n bendpointMove.start(event, connection, intersection.index, !intersection.bendpoint);\n }\n }\n\n function bindInteractionEvents(node, eventName, element) {\n\n domEvent.bind(node, eventName, function(event) {\n interactionEvents.triggerMouseEvent(eventName, event, element);\n event.stopPropagation();\n });\n }\n\n function getBendpointsContainer(element, create) {\n\n var layer = canvas.getLayer('overlays'),\n gfx = layer.select('.djs-bendpoints[data-element-id=' + element.id + ']');\n\n if (!gfx && create) {\n gfx = layer.group().addClass('djs-bendpoints').attr('data-element-id', element.id);\n\n bindInteractionEvents(gfx.node, 'mousedown', element);\n bindInteractionEvents(gfx.node, 'click', element);\n bindInteractionEvents(gfx.node, 'dblclick', element);\n }\n\n return gfx;\n }\n\n function createBendpoints(gfx, connection) {\n connection.waypoints.forEach(function(p, idx) {\n BendpointUtil.addBendpoint(gfx).translate(p.x, p.y);\n });\n\n // add floating bendpoint\n BendpointUtil.addBendpoint(gfx, 'floating');\n }\n\n function createSegmentDraggers(gfx, connection) {\n\n var waypoints = connection.waypoints;\n\n var segmentStart,\n segmentEnd;\n\n for (var i = 1; i < waypoints.length; i++) {\n\n segmentStart = waypoints[i - 1];\n segmentEnd = waypoints[i];\n\n if (pointsAligned(segmentStart, segmentEnd)) {\n BendpointUtil.addSegmentDragger(gfx, segmentStart, segmentEnd);\n }\n }\n }\n\n function clearBendpoints(gfx) {\n gfx.selectAll('.' + BENDPOINT_CLS).forEach(function(s) {\n s.remove();\n });\n }\n\n function clearSegmentDraggers(gfx) {\n gfx.selectAll('.' + SEGMENT_DRAGGER_CLS).forEach(function(s) {\n s.remove();\n });\n }\n\n function addHandles(connection) {\n\n var gfx = getBendpointsContainer(connection);\n\n if (!gfx) {\n gfx = getBendpointsContainer(connection, true);\n\n createBendpoints(gfx, connection);\n createSegmentDraggers(gfx, connection);\n }\n\n return gfx;\n }\n\n function updateHandles(connection) {\n\n var gfx = getBendpointsContainer(connection);\n\n if (gfx) {\n clearSegmentDraggers(gfx);\n clearBendpoints(gfx);\n createSegmentDraggers(gfx, connection);\n createBendpoints(gfx, connection);\n }\n }\n\n eventBus.on('connection.changed', function(event) {\n updateHandles(event.element);\n });\n\n eventBus.on('connection.remove', function(event) {\n var gfx = getBendpointsContainer(event.element);\n\n if (gfx) {\n gfx.remove();\n }\n });\n\n eventBus.on('element.marker.update', function(event) {\n\n var element = event.element,\n bendpointsGfx;\n\n if (!element.waypoints) {\n return;\n }\n\n bendpointsGfx = addHandles(element);\n bendpointsGfx[event.add ? 'addClass' : 'removeClass'](event.marker);\n });\n\n eventBus.on('element.mousemove', function(event) {\n\n var element = event.element,\n waypoints = element.waypoints,\n bendpointsGfx,\n floating,\n intersection;\n\n if (waypoints) {\n\n bendpointsGfx = getBendpointsContainer(element, true);\n floating = bendpointsGfx.select('.floating');\n\n if (!floating) {\n return;\n }\n\n intersection = getConnectionIntersection(waypoints, event.originalEvent);\n\n if (intersection) {\n floating.translate(intersection.point.x, intersection.point.y);\n }\n }\n });\n\n eventBus.on('element.mousedown', function(event) {\n\n var originalEvent = event.originalEvent,\n element = event.element,\n waypoints = element.waypoints;\n\n if (!waypoints) {\n return;\n }\n\n activateBendpointMove(originalEvent, element, waypoints);\n });\n\n eventBus.on('selection.changed', function(event) {\n var newSelection = event.newSelection,\n primary = newSelection[0];\n\n if (primary && primary.waypoints) {\n addHandles(primary);\n }\n });\n\n eventBus.on('element.hover', function(event) {\n var element = event.element;\n\n if (element.waypoints) {\n addHandles(element);\n interactionEvents.registerEvent(event.gfx.node, 'mousemove', 'element.mousemove');\n }\n });\n\n eventBus.on('element.out', function(event) {\n interactionEvents.unregisterEvent(event.gfx.node, 'mousemove', 'element.mousemove');\n });\n\n // API\n\n this.addHandles = addHandles;\n this.updateHandles = updateHandles;\n this.getBendpointsContainer = getBendpointsContainer;\n}\n\nBendpoints.$inject = [\n 'eventBus', 'canvas', 'interactionEvents',\n 'bendpointMove', 'connectionSegmentMove'\n];\n\nmodule.exports = Bendpoints;\n","'use strict';\n\nvar Geometry = require(223),\n BendpointUtil = require(115),\n LayoutUtil = require(208);\n\nvar MARKER_CONNECT_HOVER = 'connect-hover',\n MARKER_CONNECT_UPDATING = 'djs-updating';\n\nfunction axisAdd(point, axis, delta) {\n return axisSet(point, axis, point[axis] + delta);\n}\n\nfunction axisSet(point, axis, value) {\n return {\n x: (axis === 'x' ? value : point.x),\n y: (axis === 'y' ? value : point.y)\n };\n}\n\nfunction axisFenced(position, segmentStart, segmentEnd, axis) {\n\n var maxValue = Math.max(segmentStart[axis], segmentEnd[axis]),\n minValue = Math.min(segmentStart[axis], segmentEnd[axis]);\n\n var padding = 20;\n\n var fencedValue = Math.min(Math.max(minValue + padding, position[axis]), maxValue - padding);\n\n return axisSet(segmentStart, axis, fencedValue);\n}\n\nfunction flipAxis(axis) {\n return axis === 'x' ? 'y' : 'x';\n}\n\n/**\n * Get the docking point on the given element.\n *\n * Compute a reasonable docking, if non exists.\n *\n * @param {Point} point\n * @param {djs.model.Shape} referenceElement\n * @param {String} moveAxis (x|y)\n *\n * @return {Point}\n */\nfunction getDocking(point, referenceElement, moveAxis) {\n\n var referenceMid,\n inverseAxis;\n\n if (point.original) {\n return point.original;\n } else {\n referenceMid = LayoutUtil.getMid(referenceElement);\n inverseAxis = flipAxis(moveAxis);\n\n return axisSet(point, inverseAxis, referenceMid[inverseAxis]);\n }\n}\n\n/**\n * A component that implements moving of bendpoints\n */\nfunction ConnectionSegmentMove(injector, eventBus, canvas, dragging, graphicsFactory, rules, modeling) {\n\n // optional connection docking integration\n var connectionDocking = injector.get('connectionDocking', false);\n\n\n // API\n\n this.start = function(event, connection, idx) {\n\n var context,\n gfx = canvas.getGraphics(connection),\n segmentStartIndex = idx - 1,\n segmentEndIndex = idx,\n waypoints = connection.waypoints,\n segmentStart = waypoints[segmentStartIndex],\n segmentEnd = waypoints[segmentEndIndex],\n direction,\n axis;\n\n direction = Geometry.pointsAligned(segmentStart, segmentEnd);\n\n // do not move diagonal connection\n if (!direction) {\n return;\n }\n\n // the axis where we are going to move things\n axis = direction === 'v' ? 'y' : 'x';\n\n if (segmentStartIndex === 0) {\n segmentStart = getDocking(segmentStart, connection.source, axis);\n }\n\n if (segmentEndIndex === waypoints.length - 1) {\n segmentEnd = getDocking(segmentEnd, connection.target, axis);\n }\n\n context = {\n connection: connection,\n segmentStartIndex: segmentStartIndex,\n segmentEndIndex: segmentEndIndex,\n segmentStart: segmentStart,\n segmentEnd: segmentEnd,\n axis: axis\n };\n\n dragging.init(event, 'connectionSegment.move', {\n cursor: axis === 'x' ? 'resize-ew' : 'resize-ns',\n data: {\n connection: connection,\n connectionGfx: gfx,\n context: context\n }\n });\n };\n\n\n // DRAGGING IMPLEMENTATION\n\n function redrawConnection(data) {\n graphicsFactory.update('connection', data.connection, data.connectionGfx);\n }\n\n function updateDragger(context, segmentOffset, event) {\n\n var newWaypoints = context.newWaypoints,\n segmentStartIndex = context.segmentStartIndex + segmentOffset,\n segmentStart = newWaypoints[segmentStartIndex],\n segmentEndIndex = context.segmentEndIndex + segmentOffset,\n segmentEnd = newWaypoints[segmentEndIndex],\n axis = flipAxis(context.axis);\n\n // make sure the dragger does not move\n // outside the connection\n var draggerPosition = axisFenced(event, segmentStart, segmentEnd, axis);\n\n // update dragger\n context.draggerGfx.translate(draggerPosition.x, draggerPosition.y);\n }\n\n function filterRedundantWaypoints(waypoints) {\n return waypoints.filter(function(r, idx) {\n return !Geometry.pointsOnLine(waypoints[idx - 1], waypoints[idx + 1], r);\n });\n }\n\n eventBus.on('connectionSegment.move.start', function(e) {\n\n var context = e.context,\n connection = e.connection,\n layer = canvas.getLayer('overlays');\n\n context.originalWaypoints = connection.waypoints.slice();\n\n // add dragger gfx\n context.draggerGfx = BendpointUtil.addSegmentDragger(layer, context.segmentStart, context.segmentEnd);\n context.draggerGfx.addClass('djs-dragging');\n\n canvas.addMarker(connection, MARKER_CONNECT_UPDATING);\n });\n\n eventBus.on('connectionSegment.move.move', function(e) {\n\n var context = e.context,\n connection = context.connection,\n segmentStartIndex = context.segmentStartIndex,\n segmentEndIndex = context.segmentEndIndex,\n segmentStart = context.segmentStart,\n segmentEnd = context.segmentEnd,\n axis = context.axis;\n\n var newWaypoints = context.originalWaypoints.slice(),\n newSegmentStart = axisAdd(segmentStart, axis, e['d' + axis]),\n newSegmentEnd = axisAdd(segmentEnd, axis, e['d' + axis]);\n\n // original waypoint count and added / removed\n // from start waypoint delta. We use the later\n // to retrieve the updated segmentStartIndex / segmentEndIndex\n var waypointCount = newWaypoints.length,\n segmentOffset = 0;\n\n // move segment start / end by axis delta\n newWaypoints[segmentStartIndex] = newSegmentStart;\n newWaypoints[segmentEndIndex] = newSegmentEnd;\n\n var sourceToSegmentOrientation,\n targetToSegmentOrientation;\n\n // handle first segment\n if (segmentStartIndex < 2) {\n sourceToSegmentOrientation = LayoutUtil.getOrientation(connection.source, newSegmentStart);\n\n // first bendpoint, remove first segment if intersecting\n if (segmentStartIndex === 1) {\n\n if (sourceToSegmentOrientation === 'intersect') {\n newWaypoints.shift();\n newWaypoints[0] = newSegmentStart;\n segmentOffset--;\n }\n }\n\n // docking point, add segment if not intersecting anymore\n else {\n if (sourceToSegmentOrientation !== 'intersect') {\n newWaypoints.unshift(segmentStart);\n segmentOffset++;\n }\n }\n }\n\n // handle last segment\n if (segmentEndIndex > waypointCount - 3) {\n targetToSegmentOrientation = LayoutUtil.getOrientation(connection.target, newSegmentEnd);\n\n // last bendpoint, remove last segment if intersecting\n if (segmentEndIndex === waypointCount - 2) {\n\n if (targetToSegmentOrientation === 'intersect') {\n newWaypoints.pop();\n newWaypoints[newWaypoints.length - 1] = newSegmentEnd;\n }\n }\n\n // last bendpoint, remove last segment if intersecting\n else {\n if (targetToSegmentOrientation !== 'intersect') {\n newWaypoints.push(segmentEnd);\n }\n }\n }\n\n // update connection waypoints\n connection.waypoints = newWaypoints;\n\n // crop connection, if docking service is provided\n if (connectionDocking) {\n connection.waypoints = newWaypoints = connectionDocking.getCroppedWaypoints(connection);\n }\n\n // save new waypoints in context\n context.newWaypoints = newWaypoints;\n\n // update dragger position\n updateDragger(context, segmentOffset, e);\n\n // redraw connection\n redrawConnection(e);\n });\n\n eventBus.on('connectionSegment.move.hover', function(e) {\n\n e.context.hover = e.hover;\n canvas.addMarker(e.hover, MARKER_CONNECT_HOVER);\n });\n\n eventBus.on([\n 'connectionSegment.move.out',\n 'connectionSegment.move.cleanup'\n ], function(e) {\n\n // remove connect marker\n // if it was added\n var hover = e.context.hover;\n\n if (hover) {\n canvas.removeMarker(hover, MARKER_CONNECT_HOVER);\n }\n });\n\n eventBus.on('connectionSegment.move.cleanup', function(e) {\n\n var context = e.context,\n connection = context.connection;\n\n // remove dragger gfx\n if (context.draggerGfx) {\n context.draggerGfx.remove();\n }\n\n canvas.removeMarker(connection, MARKER_CONNECT_UPDATING);\n });\n\n eventBus.on([\n 'connectionSegment.move.cancel',\n 'connectionSegment.move.end'\n ], function(e) {\n var context = e.context,\n connection = context.connection;\n\n connection.waypoints = context.originalWaypoints;\n\n redrawConnection(e);\n });\n\n eventBus.on('connectionSegment.move.end', function(e) {\n\n var context = e.context,\n waypoints = context.newWaypoints;\n\n // ensure we have actual pixel values bendpoint\n // coordinates (important when zoom level was > 1 during move)\n waypoints.forEach(function(wp) {\n wp.x = Math.round(wp.x);\n wp.y = Math.round(wp.y);\n });\n\n modeling.updateWaypoints(context.connection, filterRedundantWaypoints(waypoints));\n });\n}\n\n\nConnectionSegmentMove.$inject = [\n 'injector', 'eventBus', 'canvas',\n 'dragging', 'graphicsFactory', 'rules',\n 'modeling'\n];\n\nmodule.exports = ConnectionSegmentMove;","module.exports = {\n __depends__: [ require(129), require(185) ],\n __init__: [ 'bendpoints', 'bendpointSnapping' ],\n bendpoints: [ 'type', require(116) ],\n bendpointMove: [ 'type', require(113) ],\n connectionSegmentMove: [ 'type', require(117) ],\n bendpointSnapping: [ 'type', require(114) ]\n};\n","'use strict';\n\nvar getElementType = require(221).getType;\n\n/**\n * Adds change support to the diagram, including\n *\n * <ul>\n * <li>redrawing shapes and connections on change</li>\n * </ul>\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n * @param {ElementRegistry} elementRegistry\n * @param {GraphicsFactory} graphicsFactory\n */\nfunction ChangeSupport(eventBus, canvas, elementRegistry, graphicsFactory) {\n\n // redraw shapes / connections on change\n\n eventBus.on('element.changed', function(event) {\n\n var element = event.element;\n\n if (!event.gfx) {\n event.gfx = elementRegistry.getGraphics(element);\n }\n\n // shape + gfx may have been deleted\n if (!event.gfx) {\n return;\n }\n\n eventBus.fire(getElementType(element) + '.changed', event);\n });\n\n eventBus.on('elements.changed', function(event) {\n\n var elements = event.elements;\n\n elements.forEach(function(e) {\n eventBus.fire('element.changed', { element: e });\n });\n\n graphicsFactory.updateContainments(elements);\n });\n\n eventBus.on('shape.changed', function(event) {\n graphicsFactory.update('shape', event.element, event.gfx);\n });\n\n eventBus.on('connection.changed', function(event) {\n graphicsFactory.update('connection', event.element, event.gfx);\n });\n}\n\nChangeSupport.$inject = [ 'eventBus', 'canvas', 'elementRegistry', 'graphicsFactory' ];\n\nmodule.exports = ChangeSupport;","module.exports = {\n __init__: [ 'changeSupport'],\n changeSupport: [ 'type', require(119) ]\n};","'use strict';\n\nvar LayoutUtil = require(208);\n\nvar MARKER_OK = 'connect-ok',\n MARKER_NOT_OK = 'connect-not-ok';\n\n\nfunction Connect(eventBus, dragging, modeling, rules, canvas, graphicsFactory) {\n\n // TODO(nre): separate UI and events\n\n // rules\n\n function canConnect(source, target) {\n return rules.allowed('connection.create', {\n source: source,\n target: target\n });\n }\n\n\n // layouting\n\n function crop(start, end, source, target) {\n\n var sourcePath = graphicsFactory.getShapePath(source),\n targetPath = target && graphicsFactory.getShapePath(target),\n connectionPath = graphicsFactory.getConnectionPath({ waypoints: [ start, end ] });\n\n start = LayoutUtil.getElementLineIntersection(sourcePath, connectionPath, true) || start;\n end = (target && LayoutUtil.getElementLineIntersection(targetPath, connectionPath, false)) || end;\n\n return [ start, end ];\n }\n\n\n // event handlers\n\n eventBus.on('connect.move', function(event) {\n\n var context = event.context,\n source = context.source,\n target = context.target,\n visual = context.visual,\n start, end, waypoints;\n\n // update connection visuals during drag\n\n start = LayoutUtil.getMid(source);\n\n end = {\n x: event.x,\n y: event.y\n };\n\n waypoints = crop(start, end, source, target);\n\n visual.attr('points', [ waypoints[0].x, waypoints[0].y, waypoints[1].x, waypoints[1].y ]);\n });\n\n eventBus.on('connect.hover', function(event) {\n var context = event.context,\n source = context.source,\n hover = event.hover,\n canExecute;\n\n canExecute = context.canExecute = canConnect(source, hover);\n\n // simply ignore hover\n if (canExecute === null) {\n return;\n }\n\n context.target = hover;\n\n canvas.addMarker(hover, canExecute ? MARKER_OK : MARKER_NOT_OK);\n });\n\n eventBus.on([ 'connect.out', 'connect.cleanup' ], function(event) {\n var context = event.context;\n\n if (context.target) {\n canvas.removeMarker(context.target, context.canExecute ? MARKER_OK : MARKER_NOT_OK);\n }\n\n context.target = null;\n });\n\n eventBus.on('connect.cleanup', function(event) {\n var context = event.context;\n\n if (context.visual) {\n context.visual.remove();\n }\n });\n\n eventBus.on('connect.start', function(event) {\n var context = event.context,\n visual;\n\n visual = canvas.getDefaultLayer().polyline().attr({\n 'stroke': '#333',\n 'strokeDasharray': [ 1 ],\n 'strokeWidth': 2,\n 'pointer-events': 'none'\n });\n\n context.visual = visual;\n });\n\n eventBus.on('connect.end', function(event) {\n\n var context = event.context,\n source = context.source,\n target = context.target,\n canExecute = context.canExecute || canConnect(source, target);\n\n if (!canExecute) {\n return false;\n }\n\n modeling.connect(source, target);\n });\n\n\n // API\n\n this.start = function(event, source, autoActivate) {\n\n dragging.init(event, 'connect', {\n autoActivate: autoActivate,\n data: {\n shape: source,\n context: {\n source: source\n }\n }\n });\n };\n}\n\nConnect.$inject = [ 'eventBus', 'dragging', 'modeling', 'rules', 'canvas', 'graphicsFactory' ];\n\nmodule.exports = Connect;\n","module.exports = {\n __depends__: [\n require(189),\n require(185),\n require(129)\n ],\n connect: [ 'type', require(121) ]\n};\n","'use strict';\n\nvar isFunction = require(369),\n forEach = require(255),\n\n domDelegate = require(393),\n domClear = require(391),\n domEvent = require(395),\n domAttr = require(389),\n domQuery = require(397),\n domClasses = require(390),\n domify = require(394);\n\n\nvar entrySelector = '.entry';\n\n\n/**\n * A context pad that displays element specific, contextual actions next\n * to a diagram element.\n *\n * @param {EventBus} eventBus\n * @param {Overlays} overlays\n */\nfunction ContextPad(eventBus, overlays) {\n\n this._providers = [];\n\n this._eventBus = eventBus;\n this._overlays = overlays;\n\n this._current = null;\n\n this._init();\n}\n\nContextPad.$inject = [ 'eventBus', 'overlays' ];\n\n/**\n * Registers events needed for interaction with other components\n */\nContextPad.prototype._init = function() {\n\n var eventBus = this._eventBus;\n\n var self = this;\n\n eventBus.on('selection.changed', function(e) {\n\n var selection = e.newSelection;\n\n if (selection.length === 1) {\n self.open(selection[0]);\n } else {\n self.close();\n }\n });\n\n eventBus.on('element.changed', function(event) {\n var element = event.element,\n current = self._current;\n\n // force reopen if element for which we are currently opened changed,\n // but assure that the element has a parent and was not deleted before.\n if (current && current.element === element && element.parent) {\n self.open(element, true);\n }\n });\n};\n\n\n/**\n * Register a provider with the context pad\n *\n * @param {ContextPadProvider} provider\n */\nContextPad.prototype.registerProvider = function(provider) {\n this._providers.push(provider);\n};\n\n\n/**\n * Returns the context pad entries for a given element\n *\n * @param {djs.element.Base} element\n *\n * @return {Array<ContextPadEntryDescriptor>} list of entries\n */\nContextPad.prototype.getEntries = function(element) {\n var entries = {};\n\n // loop through all providers and their entries.\n // group entries by id so that overriding an entry is possible\n forEach(this._providers, function(provider) {\n var e = provider.getContextPadEntries(element);\n\n forEach(e, function(entry, id) {\n entries[id] = entry;\n });\n });\n\n return entries;\n};\n\n\n/**\n * Trigger an action available on the opened context pad\n *\n * @param {String} action\n * @param {Event} event\n * @param {Boolean} [autoActivate=false]\n */\nContextPad.prototype.trigger = function(action, event, autoActivate) {\n\n var current = this._current,\n element = current.element,\n entries = current.entries,\n entry,\n handler,\n originalEvent,\n button = event.delegateTarget || event.target;\n\n if (!button) {\n return event.preventDefault();\n }\n\n entry = entries[domAttr(button, 'data-action')];\n handler = entry.action;\n\n originalEvent = event.originalEvent || event;\n\n // simple action (via callback function)\n if (isFunction(handler)) {\n if (action === 'click') {\n return handler(originalEvent, element, autoActivate);\n }\n } else {\n if (handler[action]) {\n return handler[action](originalEvent, element, autoActivate);\n }\n }\n\n // silence other actions\n event.preventDefault();\n};\n\n\n/**\n * Open the context pad for the given element\n *\n * @param {djs.model.Base} element\n * @param {Boolean} force if true, force reopening the context pad\n */\nContextPad.prototype.open = function(element, force) {\n\n if (this._current && this._current.open) {\n\n if (force !== true && this._current.element === element) {\n // no change needed\n return;\n }\n\n this.close();\n }\n\n this._updateAndOpen(element);\n};\n\n\nContextPad.prototype._updateAndOpen = function(element) {\n\n var entries = this.getEntries(element),\n pad = this.getPad(element),\n html = pad.html;\n\n domClear(html);\n\n forEach(entries, function(entry, id) {\n var grouping = entry.group || 'default',\n control = domify(entry.html || '<div class=\"entry\" draggable=\"true\"></div>'),\n container;\n\n domAttr(control, 'data-action', id);\n\n container = domQuery('[data-group=' + grouping + ']', html);\n if (!container) {\n container = domify('<div class=\"group\" data-group=\"' + grouping + '\"></div>');\n html.appendChild(container);\n }\n\n container.appendChild(control);\n\n if (entry.className) {\n domClasses(control).add(entry.className);\n }\n\n if (entry.title) {\n domAttr(control, 'title', entry.title);\n }\n\n if (entry.imageUrl) {\n control.appendChild(domify('<img src=\"' + entry.imageUrl + '\">'));\n }\n });\n\n domClasses(html).add('open');\n\n this._current = {\n element: element,\n pad: pad,\n entries: entries,\n open: true\n };\n\n this._eventBus.fire('contextPad.open', { current: this._current });\n};\n\nContextPad.prototype.getPad = function(element) {\n\n var self = this;\n\n var overlays = this._overlays,\n pads = overlays.get({ element: element, type: 'context-pad' });\n\n // create context pad on demand if needed\n if (!pads.length) {\n\n var html = domify('<div class=\"djs-context-pad\"></div>');\n\n domDelegate.bind(html, entrySelector, 'click', function(event) {\n self.trigger('click', event);\n });\n\n domDelegate.bind(html, entrySelector, 'dragstart', function(event) {\n self.trigger('dragstart', event);\n });\n\n // stop propagation of mouse events\n domEvent.bind(html, 'mousedown', function(event) {\n event.stopPropagation();\n });\n\n overlays.add(element, 'context-pad', {\n position: {\n right: -9,\n top: -6\n },\n html: html\n });\n\n pads = overlays.get({ element: element, type: 'context-pad' });\n\n this._eventBus.fire('contextPad.create', { element: element, pad: pads[0] });\n }\n\n return pads[0];\n};\n\n\n/**\n * Close the context pad\n */\nContextPad.prototype.close = function() {\n\n var html;\n\n if (this._current) {\n if (this._current.open) {\n html = this._current.pad.html;\n domClasses(html).remove('open');\n }\n\n this._current.open = false;\n\n this._eventBus.fire('contextPad.close', { current: this._current });\n }\n};\n\n\n/**\n * Return the element the context pad is currently opened for,\n * if it is opened.\n *\n * @example\n *\n * contextPad.open(shape1);\n *\n * if (contextPad.isOpen()) {\n * // yes, we are open\n * }\n *\n * @return {djs.model.Base} element\n */\nContextPad.prototype.isOpen = function() {\n return this._current && this._current.open;\n};\n\nmodule.exports = ContextPad;\n","module.exports = {\n __depends__: [\n require(135),\n require(171)\n ],\n contextPad: [ 'type', require(123) ]\n};","'use strict';\n\nvar MARKER_OK = 'drop-ok',\n MARKER_NOT_OK = 'drop-not-ok',\n MARKER_ATTACH = 'attach-ok',\n MARKER_NEW_PARENT = 'new-parent';\n\n\nfunction Create(eventBus, dragging, rules, modeling, canvas, styles, graphicsFactory) {\n\n // rules\n\n function canCreate(shape, target, source, position) {\n\n if (source) {\n return rules.allowed('shape.append', {\n source: source,\n shape: shape,\n target: target,\n position: position\n });\n } else {\n return rules.allowed('shape.create', {\n shape: shape,\n target: target,\n position: position\n });\n }\n }\n\n\n /** set drop marker on an element */\n function setMarker(element, marker) {\n\n [ MARKER_ATTACH, MARKER_OK, MARKER_NOT_OK, MARKER_NEW_PARENT ].forEach(function(m) {\n\n if (m === marker) {\n canvas.addMarker(element, m);\n } else {\n canvas.removeMarker(element, m);\n }\n });\n }\n\n\n // visual helpers\n\n function createVisual(shape) {\n var group, preview, visual;\n\n group = canvas.getDefaultLayer().group().attr(styles.cls('djs-drag-group', [ 'no-events' ]));\n\n preview = group.group().addClass('djs-dragger');\n\n preview.translate(shape.width / -2, shape.height / -2);\n\n visual = preview.group().addClass('djs-visual');\n\n // hijack renderer to draw preview\n graphicsFactory.drawShape(visual, shape);\n\n return group;\n }\n\n\n // event handlers\n\n eventBus.on('create.move', function(event) {\n\n var context = event.context,\n shape = context.shape,\n visual = context.visual;\n\n // lazy init drag visual once we received the first real\n // drag move event (this allows us to get the proper canvas local coordinates)\n if (!visual) {\n visual = context.visual = createVisual(shape);\n }\n\n visual.translate(event.x, event.y);\n\n var hover = event.hover,\n canExecute;\n\n var position = {\n x: event.x,\n y: event.y\n };\n\n canExecute = context.canExecute = hover && canCreate(context.shape, hover, context.source, position);\n\n // ignore hover visually if canExecute is null\n if (hover && canExecute !== null) {\n context.target = hover;\n\n if (canExecute === 'attach') {\n setMarker(hover, MARKER_ATTACH);\n } else {\n setMarker(hover, context.canExecute ? MARKER_NEW_PARENT : MARKER_NOT_OK);\n }\n }\n });\n\n eventBus.on([ 'create.end', 'create.out', 'create.cleanup' ], function(event) {\n var context = event.context,\n target = context.target;\n\n if (target) {\n setMarker(target, null);\n }\n });\n\n eventBus.on('create.end', function(event) {\n var context = event.context,\n source = context.source,\n shape = context.shape,\n target = context.target,\n canExecute = context.canExecute,\n isAttach,\n position = {\n x: event.x,\n y: event.y\n };\n\n if (!canExecute) {\n return false;\n }\n\n if (source) {\n shape = modeling.appendShape(source, shape, position, target);\n } else {\n isAttach = canExecute === 'attach';\n\n shape = modeling.createShape(shape, position, target, isAttach);\n }\n\n // make sure we provide the actual attached\n // shape with the context so that selection and\n // other components can use it right after the create\n // operation ends\n context.shape = shape;\n });\n\n\n eventBus.on('create.cleanup', function(event) {\n var context = event.context;\n\n if (context.visual) {\n context.visual.remove();\n }\n });\n\n // API\n\n this.start = function(event, shape, source) {\n\n dragging.init(event, 'create', {\n cursor: 'grabbing',\n autoActivate: true,\n data: {\n shape: shape,\n context: {\n shape: shape,\n source: source\n }\n }\n });\n };\n}\n\nCreate.$inject = [ 'eventBus', 'dragging', 'rules', 'modeling', 'canvas', 'styles', 'graphicsFactory' ];\n\nmodule.exports = Create;\n","module.exports = {\n __depends__: [\n require(129),\n require(189),\n require(185)\n ],\n create: [ 'type', require(125) ]\n};\n","'use strict';\n\n/* global TouchEvent */\n\nvar round = Math.round;\n\nvar assign = require(377);\n\nvar domEvent = require(395),\n Event = require(222),\n ClickTrap = require(218),\n Cursor = require(220);\n\nvar EventBusEvent = require(104).Event;\n\nvar DRAG_ACTIVE_CLS = 'djs-drag-active';\n\n\nfunction suppressEvent(event) {\n if (event instanceof MouseEvent) {\n Event.stopEvent(event, true);\n } else {\n Event.preventDefault(event);\n }\n}\n\nfunction getLength(point) {\n return Math.sqrt(Math.pow(point.x, 2) + Math.pow(point.y, 2));\n}\n\nfunction substract(p1, p2) {\n return {\n x: p1.x - p2.x,\n y: p1.y - p2.y\n };\n}\n\nfunction add(p1, p2) {\n return {\n x: p1.x + p2.x,\n y: p1.y + p2.y\n };\n}\n\n/**\n * A helper that fires canvas localized drag events and realizes\n * the general \"drag-and-drop\" look and feel.\n *\n * Calling {@link Dragging#activate} activates dragging on a canvas.\n *\n * It provides the following:\n *\n * * emits life cycle events, namespaced with a prefix assigned\n * during dragging activation\n * * sets and restores the cursor\n * * sets and restores the selection\n * * ensures there can be only one drag operation active at a time\n *\n * Dragging may be canceled manually by calling {@link Dragging#cancel}\n * or by pressing ESC.\n *\n *\n * ## Life-cycle events\n *\n * Dragging can be in three different states, off, initialized\n * and active.\n *\n * (1) off: no dragging operation is in progress\n * (2) initialized: a new drag operation got initialized but not yet\n * started (i.e. because of no initial move)\n * (3) started: dragging is in progress\n *\n * Eventually dragging will be off again after a drag operation has\n * been ended or canceled via user click or ESC key press.\n *\n * To indicate transitions between these states dragging emits generic\n * life-cycle events with the `drag.` prefix _and_ events namespaced\n * to a prefix choosen by a user during drag initialization.\n *\n * The following events are emitted (appropriately prefixed) via\n * the {@link EventBus}.\n *\n * * `init`\n * * `start`\n * * `move`\n * * `end`\n * * `ended` (dragging already in off state)\n * * `cancel` (only if previously started)\n * * `canceled` (dragging already in off state, only if previously started)\n * * `cleanup`\n *\n *\n * @example\n *\n * function MyDragComponent(eventBus, dragging) {\n *\n * eventBus.on('mydrag.start', function(event) {\n * console.log('yes, we start dragging');\n * });\n *\n * eventBus.on('mydrag.move', function(event) {\n * console.log('canvas local coordinates', event.x, event.y, event.dx, event.dy);\n *\n * // local drag data is passed with the event\n * event.context.foo; // \"BAR\"\n *\n * // the original mouse event, too\n * event.originalEvent; // MouseEvent(...)\n * });\n *\n * eventBus.on('element.click', function(event) {\n * dragging.init(event, 'mydrag', {\n * cursor: 'grabbing',\n * data: {\n * context: {\n * foo: \"BAR\"\n * }\n * }\n * });\n * });\n * }\n */\nfunction Dragging(eventBus, canvas, selection) {\n\n var defaultOptions = {\n threshold: 5,\n trapClick: true\n };\n\n // the currently active drag operation\n // dragging is active as soon as this context exists.\n //\n // it is visually _active_ only when a context.active flag is set to true.\n var context;\n\n /* convert a global event into local coordinates */\n function toLocalPoint(globalPosition) {\n\n var viewbox = canvas.viewbox();\n\n var clientRect = canvas._container.getBoundingClientRect();\n\n return {\n x: viewbox.x + round((globalPosition.x - clientRect.left) / viewbox.scale),\n y: viewbox.y + round((globalPosition.y - clientRect.top) / viewbox.scale)\n };\n }\n\n /* scale point to local coordinates */\n function inLocalScale(point) {\n\n var viewbox = canvas.viewbox();\n\n return {\n x: round(point.x / viewbox.scale),\n y: round(point.y / viewbox.scale)\n };\n }\n\n // helpers\n\n function fire(type, dragContext) {\n dragContext = dragContext || context;\n\n var event = assign(new EventBusEvent(), dragContext.payload, dragContext.data);\n\n // default integration\n if (eventBus.fire('drag.' + type, event) === false) {\n return false;\n }\n\n return eventBus.fire(dragContext.prefix + '.' + type, event);\n }\n\n // event listeners\n\n function move(event, activate) {\n\n var payload = context.payload,\n globalStart = context.globalStart,\n globalCurrent = Event.toPoint(event),\n globalDelta = substract(globalCurrent, globalStart),\n localStart = context.localStart,\n localDelta = inLocalScale(globalDelta),\n localCurrent = add(localStart, localDelta);\n\n // activate context explicitly or once threshold is reached\n\n if (!context.active && (activate || getLength(globalDelta) > context.threshold)) {\n\n // fire start event with original\n // starting coordinates\n\n assign(payload, {\n x: localStart.x,\n y: localStart.y,\n dx: 0,\n dy: 0\n }, { originalEvent: event });\n\n if (false === fire('start')) {\n return cancel();\n }\n\n context.active = true;\n\n // unset selection and remember old selection\n // the previous (old) selection will always passed\n // with the event via the event.previousSelection property\n if (!context.keepSelection) {\n payload.previousSelection = selection.get();\n selection.select(null);\n }\n\n // allow custom cursor\n if (context.cursor) {\n Cursor.set(context.cursor);\n }\n\n // indicate dragging via marker on root element\n canvas.addMarker(canvas.getRootElement(), DRAG_ACTIVE_CLS);\n }\n\n suppressEvent(event);\n\n if (context.active) {\n\n // update payload with actual coordinates\n assign(payload, {\n x: localCurrent.x,\n y: localCurrent.y,\n dx: localDelta.x,\n dy: localDelta.y\n }, { originalEvent: event });\n\n // emit move event\n fire('move');\n }\n }\n\n function end(event) {\n var previousContext,\n returnValue = true;\n\n if (context.active) {\n\n if (event) {\n context.payload.originalEvent = event;\n\n // suppress original event (click, ...)\n // because we just ended a drag operation\n suppressEvent(event);\n }\n\n // implementations may stop restoring the\n // original state (selections, ...) by preventing the\n // end events default action\n returnValue = fire('end');\n }\n\n if (returnValue === false) {\n fire('rejected');\n }\n\n previousContext = cleanup(returnValue !== true);\n\n // last event to be fired when all drag operations are done\n // at this point in time no drag operation is in progress anymore\n fire('ended', previousContext);\n }\n\n\n // cancel active drag operation if the user presses\n // the ESC key on the keyboard\n\n function checkCancel(event) {\n\n if (event.which === 27) {\n event.preventDefault();\n\n cancel();\n }\n }\n\n\n // prevent ghost click that might occur after a finished\n // drag and drop session\n\n function trapClickAndEnd(event) {\n\n var untrap;\n\n // trap the click in case we are part of an active\n // drag operation. This will effectively prevent\n // the ghost click that cannot be canceled otherwise.\n if (context.active) {\n untrap = ClickTrap.install();\n setTimeout(untrap, 400);\n }\n\n end(event);\n }\n\n function trapTouch(event) {\n move(event);\n }\n\n // update the drag events hover (djs.model.Base) and hoverGfx (Snap<SVGElement>)\n // properties during hover and out and fire {prefix}.hover and {prefix}.out properties\n // respectively\n\n function hover(event) {\n var payload = context.payload;\n\n payload.hoverGfx = event.gfx;\n payload.hover = event.element;\n\n fire('hover');\n }\n\n function out(event) {\n fire('out');\n\n var payload = context.payload;\n\n payload.hoverGfx = null;\n payload.hover = null;\n }\n\n\n // life-cycle methods\n\n function cancel(restore) {\n var previousContext;\n\n if (!context) {\n return;\n }\n\n var wasActive = context.active;\n\n if (wasActive) {\n fire('cancel');\n }\n\n previousContext = cleanup(restore);\n\n if (wasActive) {\n // last event to be fired when all drag operations are done\n // at this point in time no drag operation is in progress anymore\n fire('canceled', previousContext);\n }\n }\n\n function cleanup(restore) {\n var previousContext,\n endDrag;\n\n fire('cleanup');\n\n // reset cursor\n Cursor.unset();\n\n if (context.trapClick) {\n endDrag = trapClickAndEnd;\n } else {\n endDrag = end;\n }\n\n // reset dom listeners\n domEvent.unbind(document, 'mousemove', move);\n\n domEvent.unbind(document, 'mousedown', endDrag, true);\n domEvent.unbind(document, 'mouseup', endDrag, true);\n\n domEvent.unbind(document, 'keyup', checkCancel);\n\n domEvent.unbind(document, 'touchstart', trapTouch, true);\n domEvent.unbind(document, 'touchcancel', cancel, true);\n domEvent.unbind(document, 'touchmove', move, true);\n domEvent.unbind(document, 'touchend', end, true);\n\n eventBus.off('element.hover', hover);\n eventBus.off('element.out', out);\n\n // remove drag marker on root element\n canvas.removeMarker(canvas.getRootElement(), DRAG_ACTIVE_CLS);\n\n // restore selection, unless it has changed\n var previousSelection = context.payload.previousSelection;\n\n if (restore !== false && previousSelection && !selection.get().length) {\n selection.select(previousSelection);\n }\n\n previousContext = context;\n\n context = null;\n\n return previousContext;\n }\n\n /**\n * Initialize a drag operation.\n *\n * If `localPosition` is given, drag events will be emitted\n * relative to it.\n *\n * @param {MouseEvent|TouchEvent} [event]\n * @param {Point} [localPosition] actual diagram local position this drag operation should start at\n * @param {String} prefix\n * @param {Object} [options]\n */\n function init(event, localPosition, prefix, options) {\n\n // only one drag operation may be active, at a time\n if (context) {\n cancel(false);\n }\n\n if (typeof localPosition === 'string') {\n options = prefix;\n prefix = localPosition;\n localPosition = null;\n }\n\n options = assign({}, defaultOptions, options || {});\n\n var data = options.data || {},\n originalEvent,\n globalStart,\n endDrag;\n\n if (options.trapClick) {\n endDrag = trapClickAndEnd;\n } else {\n endDrag = end;\n }\n\n if (event) {\n originalEvent = Event.getOriginal(event) || event;\n globalStart = Event.toPoint(event);\n\n suppressEvent(event);\n } else {\n originalEvent = null;\n globalStart = { x: 0, y: 0 };\n }\n\n if (!localPosition) {\n localPosition = toLocalPoint(globalStart);\n }\n\n context = assign({\n prefix: prefix,\n data: data,\n payload: {},\n globalStart: globalStart,\n localStart: localPosition,\n }, options);\n\n // skip dom registration if trigger\n // is set to manual (during testing)\n if (!options.manual) {\n\n // add dom listeners\n\n // fixes TouchEvent not being available on desktop Firefox\n if (typeof TouchEvent !== 'undefined' && originalEvent instanceof TouchEvent) {\n domEvent.bind(document, 'touchstart', trapTouch, true);\n domEvent.bind(document, 'touchcancel', cancel, true);\n domEvent.bind(document, 'touchmove', move, true);\n domEvent.bind(document, 'touchend', end, true);\n } else {\n // assume we use the mouse to interact per default\n domEvent.bind(document, 'mousemove', move);\n\n domEvent.bind(document, 'mousedown', endDrag, true);\n domEvent.bind(document, 'mouseup', endDrag, true);\n }\n\n domEvent.bind(document, 'keyup', checkCancel);\n\n eventBus.on('element.hover', hover);\n eventBus.on('element.out', out);\n }\n\n fire('init');\n\n if (options.autoActivate) {\n move(event, true);\n }\n }\n\n // cancel on diagram destruction\n eventBus.on('diagram.destroy', cancel);\n\n\n // API\n\n this.init = init;\n this.move = move;\n this.hover = hover;\n this.out = out;\n this.end = end;\n\n this.cancel = cancel;\n\n // for introspection\n\n this.context = function() {\n return context;\n };\n\n this.setOptions = function(options) {\n assign(defaultOptions, options);\n };\n}\n\nDragging.$inject = [ 'eventBus', 'canvas', 'selection' ];\n\nmodule.exports = Dragging;\n","'use strict';\n\nvar domClosest = require(392);\n\nvar Snap = require(240);\n\nvar Event = require(222);\n\nfunction getGfx(target) {\n var node = domClosest(target, 'svg, .djs-element', true);\n return node && new Snap(node);\n}\n\n\n/**\n * Browsers may swallow the hover event if users are to\n * fast with the mouse.\n *\n * @see http://stackoverflow.com/questions/7448468/why-cant-i-reliably-capture-a-mouseout-event\n *\n * The fix implemented in this component ensure that we\n * have a hover state after a successive drag.move event.\n *\n * @param {EventBus} eventBus\n * @param {Dragging} dragging\n * @param {ElementRegistry} elementRegistry\n */\nfunction HoverFix(eventBus, dragging, elementRegistry) {\n\n var self = this;\n\n // we wait for a specific sequence of events before\n // emitting a fake drag.hover event.\n //\n // Event Sequence:\n //\n // drag.start\n // drag.move\n // drag.move >> ensure we are hovering\n //\n eventBus.on('drag.start', function(event) {\n\n eventBus.once('drag.move', function() {\n\n eventBus.once('drag.move', function(event) {\n\n self.ensureHover(event);\n });\n });\n });\n\n /**\n * Make sure we are god damn hovering!\n *\n * @param {Event} dragging event\n */\n this.ensureHover = function(event) {\n\n if (event.hover) {\n return;\n }\n\n var originalEvent = event.originalEvent,\n position,\n target,\n element,\n gfx;\n\n if (!(originalEvent instanceof MouseEvent)) {\n return;\n }\n\n position = Event.toPoint(originalEvent);\n\n // damn expensive operation, ouch!\n target = document.elementFromPoint(position.x, position.y);\n\n gfx = getGfx(target);\n\n if (gfx) {\n element = elementRegistry.get(gfx);\n\n dragging.hover({ element: element, gfx: gfx });\n }\n };\n\n}\n\nHoverFix.$inject = [ 'eventBus', 'dragging', 'elementRegistry' ];\n\nmodule.exports = HoverFix;","module.exports = {\n __init__: [\n 'hoverFix'\n ],\n __depends__: [\n require(189)\n ],\n dragging: [ 'type', require(127) ],\n hoverFix: [ 'type', require(128) ]\n};","'use strict';\n\nvar forEach = require(255),\n isArray = require(368);\n\nvar NOT_REGISTERED_ERROR = 'is not a registered action',\n IS_REGISTERED_ERROR = 'is already registered';\n\n/**\n * An interface that provides access to modeling actions by decoupling\n * the one who requests the action to be triggered and the trigger itself.\n *\n * It's possible to add new actions by registering them with ´registerAction´ and likewise\n * unregister existing ones with ´unregisterAction´.\n *\n */\nfunction EditorActions(eventBus, commandStack, modeling, selection, zoomScroll, canvas, rules) {\n\n this._actions = {\n undo: function() {\n commandStack.undo();\n },\n redo: function() {\n commandStack.redo();\n },\n stepZoom: function(opts) {\n zoomScroll.stepZoom(opts.value);\n },\n zoom: function(opts) {\n canvas.zoom(opts.value);\n },\n removeSelection: function() {\n var selectedElements = selection.get();\n\n if (selectedElements.length) {\n var allowed = rules.allowed('elements.delete', { elements: selectedElements }),\n removableElements;\n\n if (allowed === false) {\n return;\n }\n else if (isArray(allowed)) {\n removableElements = allowed;\n }\n else {\n removableElements = selectedElements;\n }\n\n if (removableElements.length) {\n modeling.removeElements(removableElements.slice());\n }\n }\n },\n moveCanvas: function(opts) {\n var dx = 0,\n dy = 0,\n invertY = opts.invertY,\n speed = opts.speed;\n\n var actualSpeed = speed / Math.min(Math.sqrt(canvas.viewbox().scale), 1);\n\n switch(opts.direction) {\n case 'left': // Left\n dx = actualSpeed;\n break;\n case 'up': // Up\n dy = actualSpeed;\n break;\n case 'right': // Right\n dx = -actualSpeed;\n break;\n case 'down': // Down\n dy = -actualSpeed;\n break;\n }\n\n if (dy && invertY) {\n dy = -dy;\n }\n\n canvas.scroll({ dx: dx, dy: dy });\n }\n };\n}\n\nEditorActions.$inject = [\n 'eventBus',\n 'commandStack',\n 'modeling',\n 'selection',\n 'zoomScroll',\n 'canvas',\n 'rules'\n];\n\nmodule.exports = EditorActions;\n\n\n/**\n * Triggers a registered action\n *\n * @param {String} action\n * @param {Object} opts\n *\n * @return {Unknown} Returns what the registered listener returns\n */\nEditorActions.prototype.trigger = function(action, opts) {\n if (!this._actions[action]) {\n throw error(action, NOT_REGISTERED_ERROR);\n }\n\n return this._actions[action](opts);\n};\n\n\n/**\n * Registers a collections of actions.\n * The key of the object will be the name of the action.\n *\n * @example\n * ´´´\n * var actions = {\n * spaceTool: function() {\n * spaceTool.activateSelection();\n * },\n * lassoTool: function() {\n * lassoTool.activateSelection();\n * }\n * ];\n *\n * editorActions.register(actions);\n *\n * editorActions.isRegistered('spaceTool'); // true\n * ´´´\n *\n * @param {Object} actions\n */\nEditorActions.prototype.register = function(actions, listener) {\n if (typeof actions === 'string') {\n return this._registerAction(actions, listener);\n }\n\n forEach(actions, function(listener, action) {\n this._registerAction(action, listener);\n }, this);\n};\n\n/**\n * Registers a listener to an action key\n *\n * @param {String} action\n * @param {Function} listener\n */\nEditorActions.prototype._registerAction = function(action, listener) {\n if (this.isRegistered(action)) {\n throw error(action, IS_REGISTERED_ERROR);\n }\n\n this._actions[action] = listener;\n};\n\n/**\n * Unregister an existing action\n *\n * @param {String} action\n */\nEditorActions.prototype.unregister = function(action) {\n if (!this.isRegistered(action)) {\n throw error(action, NOT_REGISTERED_ERROR);\n }\n\n this._actions[action] = undefined;\n};\n\n/**\n * Returns the number of actions that are currently registered\n *\n * @return {Number}\n */\nEditorActions.prototype.length = function() {\n return Object.keys(this._actions).length;\n};\n\n/**\n * Checks wether the given action is registered\n *\n * @param {String} action\n *\n * @return {Boolean}\n */\nEditorActions.prototype.isRegistered = function(action) {\n return !!this._actions[action];\n};\n\n\nfunction error(action, message) {\n return new Error(action + ' ' + message);\n}\n","module.exports = {\n __depends__: [\n require(189),\n require(216)\n ],\n __init__: [ 'editorActions' ],\n editorActions: [ 'type', require(130) ]\n};\n","'use strict';\n\nvar hasPrimaryModifier = require(228).hasPrimaryModifier,\n substract = require(227).substract;\n\n\nvar HIGH_PRIORITY = 1500;\nvar HAND_CURSOR = 'grab';\n\nfunction HandTool(eventBus, canvas, dragging, toolManager) {\n this._dragging = dragging;\n\n\n toolManager.registerTool('hand', {\n tool: 'hand',\n dragging: 'hand.move'\n });\n\n eventBus.on('element.mousedown', HIGH_PRIORITY, function(event) {\n if (hasPrimaryModifier(event)) {\n this.activateMove(event.originalEvent);\n\n return false;\n }\n }, this);\n\n\n eventBus.on('hand.end', function(event) {\n var target = event.originalEvent.target;\n\n // only reactive on diagram click\n // on some occasions, event.hover is not set and we have to check if the target is an svg\n if (!event.hover && !(target instanceof SVGElement)) {\n return false;\n }\n\n eventBus.once('hand.ended', function() {\n this.activateMove(event.originalEvent, { reactivate: true });\n }, this);\n\n }, this);\n\n eventBus.on('hand.move.start', function(event) {\n var context = event.context;\n\n context.start = { x: event.x, y: event.y };\n });\n\n eventBus.on('hand.move.move', function(event) {\n var context = event.context,\n start = context.start,\n delta = context.delta;\n\n var position = { x: event.x, y: event.y },\n scale = canvas.viewbox().scale;\n\n var lastPosition = context.last || start;\n\n delta = substract(position, lastPosition);\n\n canvas.scroll({\n dx: delta.x * scale,\n dy: delta.y * scale\n });\n\n context.last = position;\n });\n\n eventBus.on('hand.move.end', function(event) {\n var context = event.context,\n reactivate = context.reactivate;\n\n // Don't reactivate if the user is using the keyboard keybinding\n if (!hasPrimaryModifier(event) && reactivate) {\n\n eventBus.once('hand.move.ended', function(event) {\n this.activateHand(event.originalEvent, true, true);\n }, this);\n\n }\n\n return false;\n }, this);\n\n}\n\nHandTool.$inject = [\n 'eventBus',\n 'canvas',\n 'dragging',\n 'toolManager'\n];\n\nmodule.exports = HandTool;\n\n\nHandTool.prototype.activateMove = function(event, autoActivate, context) {\n if (typeof autoActivate === 'object') {\n context = autoActivate;\n autoActivate = false;\n }\n\n this._dragging.init(event, 'hand.move', {\n autoActivate: autoActivate,\n cursor: HAND_CURSOR,\n data: {\n context: context || {}\n }\n });\n};\n\nHandTool.prototype.activateHand = function(event, autoActivate, reactivate) {\n this._dragging.init(event, 'hand', {\n trapClick: false,\n autoActivate: autoActivate,\n cursor: HAND_CURSOR,\n data: {\n context: {\n reactivate: reactivate\n }\n }\n });\n};\n\nHandTool.prototype.toggle = function() {\n if (this.isActive()) {\n this._dragging.cancel();\n } else {\n this.activateHand();\n }\n};\n\nHandTool.prototype.isActive = function() {\n var context = this._dragging.context();\n\n return context && /^hand/.test(context.prefix);\n};\n","'use strict';\n\nmodule.exports = {\n __depends__: [ require(198) ],\n __init__: [ 'handTool' ],\n handTool: [ 'type', require(132) ]\n};\n","'use strict';\n\nvar forEach = require(255),\n domDelegate = require(393);\n\n\nvar isPrimaryButton = require(228).isPrimaryButton;\n\nvar Snap = require(240);\n\nvar renderUtil = require(231);\n\nvar createLine = renderUtil.createLine,\n updateLine = renderUtil.updateLine;\n\n/**\n * A plugin that provides interaction events for diagram elements.\n *\n * It emits the following events:\n *\n * * element.hover\n * * element.out\n * * element.click\n * * element.dblclick\n * * element.mousedown\n *\n * Each event is a tuple { element, gfx, originalEvent }.\n *\n * Canceling the event via Event#preventDefault() prevents the original DOM operation.\n *\n * @param {EventBus} eventBus\n */\nfunction InteractionEvents(eventBus, elementRegistry, styles) {\n\n var HIT_STYLE = styles.cls('djs-hit', [ 'no-fill', 'no-border' ], {\n stroke: 'white',\n strokeWidth: 15\n });\n\n /**\n * Fire an interaction event.\n *\n * @param {String} type local event name, e.g. element.click.\n * @param {DOMEvent} event native event\n * @param {djs.model.Base} [element] the diagram element to emit the event on;\n * defaults to the event target\n */\n function fire(type, event, element) {\n\n // only react on left mouse button interactions\n // for interaction events\n if (!isPrimaryButton(event)) {\n return;\n }\n\n var target, gfx, returnValue;\n\n if (!element) {\n target = event.delegateTarget || event.target;\n\n if (target) {\n gfx = new Snap(target);\n element = elementRegistry.get(gfx);\n }\n } else {\n gfx = elementRegistry.getGraphics(element);\n }\n\n if (!gfx || !element) {\n return;\n }\n\n returnValue = eventBus.fire(type, { element: element, gfx: gfx, originalEvent: event });\n\n if (returnValue === false) {\n event.stopPropagation();\n event.preventDefault();\n }\n }\n\n // TODO(nikku): document this\n var handlers = {};\n\n function mouseHandler(type) {\n\n var fn = handlers[type];\n\n if (!fn) {\n fn = handlers[type] = function(event) {\n fire(type, event);\n };\n }\n\n return fn;\n }\n\n var bindings = {\n mouseover: 'element.hover',\n mouseout: 'element.out',\n click: 'element.click',\n dblclick: 'element.dblclick',\n mousedown: 'element.mousedown',\n mouseup: 'element.mouseup'\n };\n\n\n ///// manual event trigger\n\n /**\n * Trigger an interaction event (based on a native dom event)\n * on the target shape or connection.\n *\n * @param {String} eventName the name of the triggered DOM event\n * @param {MouseEvent} event\n * @param {djs.model.Base} targetElement\n */\n function triggerMouseEvent(eventName, event, targetElement) {\n\n // i.e. element.mousedown...\n var localEventName = bindings[eventName];\n\n if (!localEventName) {\n throw new Error('unmapped DOM event name <' + eventName + '>');\n }\n\n return fire(localEventName, event, targetElement);\n }\n\n\n var elementSelector = 'svg, .djs-element';\n\n ///// event registration\n\n function registerEvent(node, event, localEvent) {\n var handler = mouseHandler(localEvent);\n handler.$delegate = domDelegate.bind(node, elementSelector, event, handler);\n }\n\n function unregisterEvent(node, event, localEvent) {\n domDelegate.unbind(node, event, mouseHandler(localEvent).$delegate);\n }\n\n function registerEvents(svg) {\n forEach(bindings, function(val, key) {\n registerEvent(svg.node, key, val);\n });\n }\n\n function unregisterEvents(svg) {\n forEach(bindings, function(val, key) {\n unregisterEvent(svg.node, key, val);\n });\n }\n\n eventBus.on('canvas.destroy', function(event) {\n unregisterEvents(event.svg);\n });\n\n eventBus.on('canvas.init', function(event) {\n registerEvents(event.svg);\n });\n\n\n eventBus.on([ 'shape.added', 'connection.added' ], function(event) {\n var element = event.element,\n gfx = event.gfx,\n hit,\n type;\n\n if (element.waypoints) {\n hit = createLine(element.waypoints);\n type = 'connection';\n } else {\n hit = Snap.create('rect', { x: 0, y: 0, width: element.width, height: element.height });\n type = 'shape';\n }\n\n hit.attr(HIT_STYLE).appendTo(gfx.node);\n });\n\n // update djs-hit on change\n\n eventBus.on('shape.changed', function(event) {\n\n var element = event.element,\n gfx = event.gfx,\n hit = gfx.select('.djs-hit');\n\n hit.attr({\n width: element.width,\n height: element.height\n });\n });\n\n eventBus.on('connection.changed', function(event) {\n\n var element = event.element,\n gfx = event.gfx,\n hit = gfx.select('.djs-hit');\n\n updateLine(hit, element.waypoints);\n });\n\n\n // API\n\n this.fire = fire;\n\n this.triggerMouseEvent = triggerMouseEvent;\n\n this.mouseHandler = mouseHandler;\n\n this.registerEvent = registerEvent;\n this.unregisterEvent = unregisterEvent;\n}\n\n\nInteractionEvents.$inject = [ 'eventBus', 'elementRegistry', 'styles' ];\n\nmodule.exports = InteractionEvents;\n\n\n/**\n * An event indicating that the mouse hovered over an element\n *\n * @event element.hover\n *\n * @type {Object}\n * @property {djs.model.Base} element\n * @property {Snap<Element>} gfx\n * @property {Event} originalEvent\n */\n\n/**\n * An event indicating that the mouse has left an element\n *\n * @event element.out\n *\n * @type {Object}\n * @property {djs.model.Base} element\n * @property {Snap<Element>} gfx\n * @property {Event} originalEvent\n */\n\n/**\n * An event indicating that the mouse has clicked an element\n *\n * @event element.click\n *\n * @type {Object}\n * @property {djs.model.Base} element\n * @property {Snap<Element>} gfx\n * @property {Event} originalEvent\n */\n\n/**\n * An event indicating that the mouse has double clicked an element\n *\n * @event element.dblclick\n *\n * @type {Object}\n * @property {djs.model.Base} element\n * @property {Snap<Element>} gfx\n * @property {Event} originalEvent\n */\n\n/**\n * An event indicating that the mouse has gone down on an element.\n *\n * @event element.mousedown\n *\n * @type {Object}\n * @property {djs.model.Base} element\n * @property {Snap<Element>} gfx\n * @property {Event} originalEvent\n */\n\n/**\n * An event indicating that the mouse has gone up on an element.\n *\n * @event element.mouseup\n *\n * @type {Object}\n * @property {djs.model.Base} element\n * @property {Snap<Element>} gfx\n * @property {Event} originalEvent\n */\n","module.exports = {\n __init__: [ 'interactionEvents' ],\n interactionEvents: [ 'type', require(134) ]\n};","'use strict';\n\nvar domEvent = require(395),\n domMatches = require(396);\n\n/**\n * A keyboard abstraction that may be activated and\n * deactivated by users at will, consuming key events\n * and triggering diagram actions.\n *\n * The implementation fires the following key events that allow\n * other components to hook into key handling:\n *\n * - keyboard.bind\n * - keyboard.unbind\n * - keyboard.init\n * - keyboard.destroy\n *\n * All events contain the fields (node, listeners).\n *\n * A default binding for the keyboard may be specified via the\n * `keyboard.bindTo` configuration option.\n *\n * @param {Config} config\n * @param {EventBus} eventBus\n * @param {EditorActions} editorActions\n */\nfunction Keyboard(config, eventBus, editorActions) {\n var self = this;\n\n this._config = config || {};\n this._eventBus = eventBus;\n this._editorActions = editorActions;\n\n this._listeners = [];\n\n // our key handler is a singleton that passes\n // (keycode, modifiers) to each listener.\n //\n // listeners must indicate that they handled a key event\n // by returning true. This stops the event propagation.\n //\n this._keyHandler = function(event) {\n\n var i, l,\n target = event.target,\n listeners = self._listeners,\n code = event.keyCode || event.charCode || -1;\n\n if (domMatches(target, 'input, textarea')) {\n return;\n }\n\n for (i = 0; !!(l = listeners[i]); i++) {\n if (l(code, event)) {\n event.preventDefault();\n event.stopPropagation();\n }\n }\n };\n\n // properly clean dom registrations\n eventBus.on('diagram.destroy', function() {\n self._fire('destroy');\n\n self.unbind();\n self._listeners = null;\n });\n\n eventBus.on('diagram.init', function() {\n self._fire('init');\n\n if (config && config.bindTo) {\n self.bind(config.bindTo);\n }\n });\n\n this._init();\n}\n\nKeyboard.$inject = [\n 'config.keyboard',\n 'eventBus',\n 'editorActions'\n];\n\nmodule.exports = Keyboard;\n\n\nKeyboard.prototype.bind = function(node) {\n // make sure that the keyboard is only bound once to the DOM\n this.unbind();\n\n this._node = node;\n\n // bind key events\n domEvent.bind(node, 'keydown', this._keyHandler, true);\n\n this._fire('bind');\n};\n\nKeyboard.prototype.getBinding = function() {\n return this._node;\n};\n\nKeyboard.prototype.unbind = function() {\n var node = this._node;\n\n if (node) {\n this._fire('unbind');\n\n // unbind key events\n domEvent.unbind(node, 'keydown', this._keyHandler, true);\n }\n\n this._node = null;\n};\n\nKeyboard.prototype._fire = function(event) {\n this._eventBus.fire('keyboard.' + event, { node: this._node, listeners: this._listeners });\n};\n\nKeyboard.prototype._init = function() {\n\n var listeners = this._listeners;\n\n var editorActions = this._editorActions,\n config = this._config;\n\n // init default listeners\n\n // undo\n // (CTRL|CMD) + Z\n function undo(key, modifiers) {\n\n if (isCmd(modifiers) && !isShift(modifiers) && key === 90) {\n editorActions.trigger('undo');\n\n return true;\n }\n }\n\n // redo\n // CTRL + Y\n // CMD + SHIFT + Z\n function redo(key, modifiers) {\n\n if (isCmd(modifiers) && (key === 89 || (key === 90 && isShift(modifiers)))) {\n editorActions.trigger('redo');\n\n return true;\n }\n }\n\n /**\n * zoom in one step\n * CTRL + +\n *\n * 107 = numpad plus\n * 187 = regular plus\n * 171 = regular plus in Firefox (german keyboard layout)\n * 61 = regular plus in Firefox (US keyboard layout)\n */\n function zoomIn(key, modifiers) {\n\n if ((key === 107 || key === 187 || key === 171 || key === 61) && isCmd(modifiers)) {\n editorActions.trigger('stepZoom', { value: 1 });\n\n return true;\n }\n }\n\n /**\n * zoom out one step\n * CTRL + -\n *\n * 109 = numpad minus\n * 189 = regular minus\n * 173 = regular minus in Firefox (US and german keyboard layout)\n */\n function zoomOut(key, modifiers) {\n\n if ((key === 109 || key === 189 || key === 173) && isCmd(modifiers)) {\n editorActions.trigger('stepZoom', { value: -1 });\n\n return true;\n }\n }\n\n /**\n * zoom to the default level\n * CTRL + 0\n *\n * 96 = numpad zero\n * 48 = regular zero\n */\n function zoomDefault(key, modifiers) {\n\n if ((key === 96 || key === 48) && isCmd(modifiers)) {\n editorActions.trigger('zoom', { value: 1 });\n\n return true;\n }\n }\n\n // delete selected element\n // DEL\n function removeSelection(key, modifiers) {\n\n if (key === 46) {\n editorActions.trigger('removeSelection');\n\n return true;\n }\n }\n\n // move canvas left\n // left arrow\n //\n // 37 = Left\n // 38 = Up\n // 39 = Right\n // 40 = Down\n function moveCanvas(key, modifiers) {\n\n if ([37, 38, 39, 40].indexOf(key) >= 0) {\n\n var opts = {\n invertY: config.invertY,\n speed: (config.speed || 50),\n };\n\n switch(key) {\n case 37: // Left\n opts.direction = 'left';\n break;\n case 38: // Up\n opts.direction = 'up';\n break;\n case 39: // Right\n opts.direction = 'right';\n break;\n case 40: // Down\n opts.direction = 'down';\n break;\n }\n\n editorActions.trigger('moveCanvas', opts);\n\n return true;\n }\n }\n\n listeners.push(undo);\n listeners.push(redo);\n listeners.push(removeSelection);\n listeners.push(zoomIn);\n listeners.push(zoomOut);\n listeners.push(zoomDefault);\n listeners.push(moveCanvas);\n};\n\n\n/**\n * Add a listener function that is notified with (key, modifiers) whenever\n * the keyboard is bound and the user presses a key.\n *\n * @param {Function} listenerFn\n */\nKeyboard.prototype.addListener = function(listenerFn) {\n this._listeners.push(listenerFn);\n};\n\nKeyboard.prototype.hasModifier = hasModifier;\nKeyboard.prototype.isCmd = isCmd;\nKeyboard.prototype.isShift = isShift;\n\n\nfunction hasModifier(modifiers) {\n return (modifiers.ctrlKey || modifiers.metaKey || modifiers.shiftKey || modifiers.altKey);\n}\n\nfunction isCmd(modifiers) {\n return modifiers.ctrlKey || modifiers.metaKey;\n}\n\nfunction isShift(modifiers) {\n return modifiers.shiftKey;\n}\n","module.exports = {\n __depends__: [\n require(131)\n ],\n __init__: [ 'keyboard' ],\n keyboard: [ 'type', require(136) ]\n};\n","'use strict';\n\nvar forEach = require(255),\n filter = require(253),\n inherits = require(243);\n\nvar LOW_PRIORITY = 250,\n HIGH_PRIORITY = 1500;\n\nvar CommandInterceptor = require(98);\n\n\n/**\n * A handler that makes sure labels are properly moved with\n * their label targets.\n */\nfunction LabelSupport(eventBus, modeling, moveVisuals) {\n\n CommandInterceptor.call(this, eventBus);\n\n // remove labels from the collection that are being\n // moved with other elements anyway\n eventBus.on('shape.move.start', HIGH_PRIORITY, function(e) {\n\n var context = e.context,\n shapes = context.shapes;\n\n context.shapes = removeLabels(shapes);\n });\n\n\n // add labels to visual's group\n eventBus.on('shape.move.start', LOW_PRIORITY, function(e) {\n\n var context = e.context,\n shapes = context.shapes;\n\n var labels = [];\n\n forEach(shapes, function(element) {\n var label = element.label;\n\n if (label && !label.hidden && context.shapes.indexOf(label) === -1) {\n labels.push(label);\n }\n\n if (element.labelTarget) {\n labels.push(element);\n }\n });\n\n forEach(labels, function(label) {\n moveVisuals.makeDraggable(context, label, true);\n });\n\n });\n\n // move labels after the other shapes are done moving\n this.postExecuted([ 'elements.move' ], function(e) {\n var context = e.context,\n closure = context.closure,\n enclosedElements = closure.enclosedElements;\n\n // ensure we move all labels with their respective elements\n // if they have not been moved already\n\n forEach(enclosedElements, function(e) {\n if (e.label && !enclosedElements[e.label.id]) {\n modeling.moveShape(e.label, context.delta, e.parent);\n }\n });\n\n });\n\n}\n\ninherits(LabelSupport, CommandInterceptor);\n\nLabelSupport.$inject = [ 'eventBus', 'modeling', 'moveVisuals' ];\n\nmodule.exports = LabelSupport;\n\n\n/**\n * Return a filtered list of elements that do not\n * contain attached elements with hosts being part\n * of the selection.\n *\n * @param {Array<djs.model.Base>} elements\n *\n * @return {Array<djs.model.Base>} filtered\n */\nfunction removeLabels(elements) {\n\n return filter(elements, function(element) {\n\n // filter out labels that are move together\n // with their label targets\n return elements.indexOf(element.labelTarget) === -1;\n });\n}\n","module.exports = {\n __depends__: [\n require(166)\n ],\n __init__: [ 'labelSupport'],\n labelSupport: [ 'type', require(138) ]\n};\n","'use strict';\n\nvar values = require(385);\n\nvar getEnclosedElements = require(221).getEnclosedElements;\n\nvar hasSecondaryModifier = require(228).hasSecondaryModifier;\n\nvar Snap = require(240);\n\nvar LASSO_TOOL_CURSOR = 'crosshair';\n\n\nfunction LassoTool(eventBus, canvas, dragging, elementRegistry, selection, toolManager) {\n\n this._selection = selection;\n this._dragging = dragging;\n\n var self = this;\n\n // lasso visuals implementation\n\n /**\n * A helper that realizes the selection box visual\n */\n var visuals = {\n\n create: function(context) {\n var container = canvas.getDefaultLayer(),\n frame;\n\n frame = context.frame = Snap.create('rect', {\n class: 'djs-lasso-overlay',\n width: 1,\n height: 1,\n x: 0,\n y: 0\n });\n\n frame.appendTo(container);\n },\n\n update: function(context) {\n var frame = context.frame,\n bbox = context.bbox;\n\n frame.attr({\n x: bbox.x,\n y: bbox.y,\n width: bbox.width,\n height: bbox.height\n });\n },\n\n remove: function(context) {\n\n if (context.frame) {\n context.frame.remove();\n }\n }\n };\n\n toolManager.registerTool('lasso', {\n tool: 'lasso.selection',\n dragging: 'lasso'\n });\n\n eventBus.on('lasso.selection.end', function(event) {\n var target = event.originalEvent.target;\n\n // only reactive on diagram click\n // on some occasions, event.hover is not set and we have to check if the target is an svg\n if (!event.hover && !(target instanceof SVGElement)) {\n return;\n }\n\n eventBus.once('lasso.selection.ended', function() {\n self.activateLasso(event.originalEvent, true);\n });\n });\n\n // lasso interaction implementation\n\n eventBus.on('lasso.end', function(event) {\n\n var bbox = toBBox(event);\n\n var elements = elementRegistry.filter(function(element) {\n return element;\n });\n\n self.select(elements, bbox);\n });\n\n eventBus.on('lasso.start', function(event) {\n\n var context = event.context;\n\n context.bbox = toBBox(event);\n visuals.create(context);\n });\n\n eventBus.on('lasso.move', function(event) {\n\n var context = event.context;\n\n context.bbox = toBBox(event);\n visuals.update(context);\n });\n\n eventBus.on('lasso.end', function(event) {\n\n var context = event.context;\n\n visuals.remove(context);\n });\n\n eventBus.on('lasso.cleanup', function(event) {\n\n var context = event.context;\n\n visuals.remove(context);\n });\n\n\n // event integration\n\n eventBus.on('element.mousedown', 1500, function(event) {\n\n if (hasSecondaryModifier(event)) {\n self.activateLasso(event.originalEvent);\n\n event.stopPropagation();\n }\n });\n}\n\nLassoTool.$inject = [\n 'eventBus',\n 'canvas',\n 'dragging',\n 'elementRegistry',\n 'selection',\n 'toolManager'\n];\n\nmodule.exports = LassoTool;\n\n\nLassoTool.prototype.activateLasso = function(event, autoActivate) {\n\n this._dragging.init(event, 'lasso', {\n autoActivate: autoActivate,\n cursor: LASSO_TOOL_CURSOR,\n data: {\n context: {}\n }\n });\n};\n\nLassoTool.prototype.activateSelection = function(event) {\n\n this._dragging.init(event, 'lasso.selection', {\n trapClick: false,\n cursor: LASSO_TOOL_CURSOR,\n data: {\n context: {}\n }\n });\n};\n\nLassoTool.prototype.select = function(elements, bbox) {\n var selectedElements = getEnclosedElements(elements, bbox);\n\n this._selection.select(values(selectedElements));\n};\n\nLassoTool.prototype.toggle = function() {\n if (this.isActive()) {\n this._dragging.cancel();\n } else {\n this.activateSelection();\n }\n};\n\nLassoTool.prototype.isActive = function() {\n var context = this._dragging.context();\n\n return context && /^lasso/.test(context.prefix);\n};\n\n\n\nfunction toBBox(event) {\n\n var start = {\n\n x: event.x - event.dx,\n y: event.y - event.dy\n };\n\n var end = {\n x: event.x,\n y: event.y\n };\n\n var bbox;\n\n if ((start.x <= end.x && start.y < end.y) ||\n (start.x < end.x && start.y <= end.y)) {\n\n bbox = {\n x: start.x,\n y: start.y,\n width: end.x - start.x,\n height: end.y - start.y\n };\n } else if ((start.x >= end.x && start.y < end.y) ||\n (start.x > end.x && start.y <= end.y)) {\n\n bbox = {\n x: end.x,\n y: start.y,\n width: start.x - end.x,\n height: end.y - start.y\n };\n } else if ((start.x <= end.x && start.y > end.y) ||\n (start.x < end.x && start.y >= end.y)) {\n\n bbox = {\n x: start.x,\n y: end.y,\n width: end.x - start.x,\n height: start.y - end.y\n };\n } else if ((start.x >= end.x && start.y > end.y) ||\n (start.x > end.x && start.y >= end.y)) {\n\n bbox = {\n x: end.x,\n y: end.y,\n width: start.x - end.x,\n height: start.y - end.y\n };\n } else {\n\n bbox = {\n x: end.x,\n y: end.y,\n width: 0,\n height: 0\n };\n }\n return bbox;\n}\n","'use strict';\n\nmodule.exports = {\n __depends__: [ require(198) ],\n __init__: [ 'lassoTool' ],\n lassoTool: [ 'type', require(140) ]\n};\n","'use strict';\n\nvar forEach = require(255);\n\nvar model = require(210);\n\n\n/**\n * The basic modeling entry point.\n *\n * @param {EventBus} eventBus\n * @param {ElementFactory} elementFactory\n * @param {CommandStack} commandStack\n */\nfunction Modeling(eventBus, elementFactory, commandStack) {\n this._eventBus = eventBus;\n this._elementFactory = elementFactory;\n this._commandStack = commandStack;\n\n var self = this;\n\n eventBus.on('diagram.init', function() {\n // register modeling handlers\n self.registerHandlers(commandStack);\n });\n}\n\nModeling.$inject = [ 'eventBus', 'elementFactory', 'commandStack' ];\n\nmodule.exports = Modeling;\n\n\nModeling.prototype.getHandlers = function() {\n return {\n 'shape.append': require(143),\n 'shape.create': require(146),\n 'shape.delete': require(149),\n 'shape.move': require(153),\n 'shape.resize': require(157),\n 'shape.replace': require(156),\n\n 'spaceTool': require(158),\n\n 'label.create': require(145),\n\n 'connection.create': require(144),\n 'connection.delete': require(147),\n 'connection.move': require(151),\n 'connection.layout': require(150),\n\n 'connection.updateWaypoints': require(161),\n\n 'connection.reconnectStart': require(155),\n 'connection.reconnectEnd': require(155),\n\n 'elements.move': require(152),\n 'elements.delete': require(148),\n\n 'element.updateAttachment': require(160),\n 'element.updateAnchors': require(159)\n };\n};\n\n/**\n * Register handlers with the command stack\n *\n * @param {CommandStack} commandStack\n */\nModeling.prototype.registerHandlers = function(commandStack) {\n forEach(this.getHandlers(), function(handler, id) {\n commandStack.registerHandler(id, handler);\n });\n};\n\n\n///// modeling helpers /////////////////////////////////////////\n\nModeling.prototype.moveShape = function(shape, delta, newParent, newParentIndex, hints) {\n\n if (typeof newParentIndex === 'object') {\n hints = newParentIndex;\n newParentIndex = null;\n }\n\n var context = {\n shape: shape,\n delta: delta,\n newParent: newParent,\n newParentIndex: newParentIndex,\n hints: hints || {}\n };\n\n this._commandStack.execute('shape.move', context);\n};\n\n\n/**\n * Update the attachment of the given shape.\n *\n * @param {djs.mode.Base} shape\n * @param {djs.model.Base} [newHost]\n */\nModeling.prototype.updateAttachment = function(shape, newHost) {\n var context = {\n shape: shape,\n newHost: newHost\n };\n\n this._commandStack.execute('element.updateAttachment', context);\n};\n\n/**\n * Move a number of shapes to a new target, either setting it as\n * the new parent or attaching it.\n *\n * @param {Array<djs.mode.Base>} shapes\n * @param {Point} delta\n * @param {djs.model.Base} [target]\n * @param {Boolean} [isAttach=false]\n * @param {Object} [hints]\n */\nModeling.prototype.moveElements = function(shapes, delta, target, isAttach, hints) {\n if (typeof isAttach === 'object') {\n hints = isAttach;\n isAttach = undefined;\n }\n\n var newParent = target,\n newHost;\n\n if (isAttach === true) {\n newHost = target;\n newParent = target.parent;\n }\n\n if (isAttach === false) {\n newHost = null;\n }\n\n var context = {\n shapes: shapes,\n delta: delta,\n newParent: newParent,\n newHost: newHost,\n hints: hints || {}\n };\n\n this._commandStack.execute('elements.move', context);\n};\n\n/**\n * Update the anchors on the element with the given delta movement\n * @param {djs.model.Element} element\n * @param {Point} delta\n */\nModeling.prototype.updateAnchors = function(element, oldBounds) {\n var context = {\n element: element,\n oldBounds: oldBounds\n };\n\n this._commandStack.execute('element.updateAnchors', context);\n};\n\nModeling.prototype.moveConnection = function(connection, delta, newParent, newParentIndex, hints) {\n\n if (typeof newParentIndex === 'object') {\n hints = newParentIndex;\n newParentIndex = undefined;\n }\n\n var context = {\n connection: connection,\n delta: delta,\n newParent: newParent,\n newParentIndex: newParentIndex,\n hints: hints || {}\n };\n\n this._commandStack.execute('connection.move', context);\n};\n\n\nModeling.prototype.layoutConnection = function(connection, hints) {\n var context = {\n connection: connection,\n hints: hints || {}\n };\n\n this._commandStack.execute('connection.layout', context);\n};\n\n\nModeling.prototype.createConnection = function(source, target, targetIndex, connection, parent) {\n\n if (typeof targetIndex === 'object') {\n parent = connection;\n connection = targetIndex;\n targetIndex = undefined;\n }\n\n connection = this._create('connection', connection);\n\n var context = {\n source: source,\n target: target,\n parent: parent,\n parentIndex: targetIndex,\n connection: connection\n };\n\n this._commandStack.execute('connection.create', context);\n\n return context.connection;\n};\n\nModeling.prototype.createShape = function(shape, position, target, targetIndex, isAttach) {\n\n if (typeof targetIndex === 'boolean') {\n isAttach = targetIndex;\n targetIndex = undefined;\n }\n\n shape = this._create('shape', shape);\n\n var context = {\n position: position,\n shape: shape,\n parent: target,\n parentIndex: targetIndex,\n host: shape.host\n };\n\n if (isAttach) {\n context.parent = target.parent;\n context.host = target;\n }\n\n this._commandStack.execute('shape.create', context);\n\n return context.shape;\n};\n\n\nModeling.prototype.createLabel = function(labelTarget, position, label, parent) {\n\n label = this._create('label', label);\n\n var context = {\n labelTarget: labelTarget,\n position: position,\n parent: parent || labelTarget.parent,\n shape: label\n };\n\n this._commandStack.execute('label.create', context);\n\n return context.shape;\n};\n\n\nModeling.prototype.appendShape = function(source, shape, position, parent, connection, connectionParent) {\n\n shape = this._create('shape', shape);\n\n var context = {\n source: source,\n position: position,\n parent: parent,\n shape: shape,\n connection: connection,\n connectionParent: connectionParent\n };\n\n this._commandStack.execute('shape.append', context);\n\n return context.shape;\n};\n\n\nModeling.prototype.removeElements = function(elements) {\n var context = {\n elements: elements\n };\n\n this._commandStack.execute('elements.delete', context);\n};\n\n\nModeling.prototype.removeShape = function(shape, hints) {\n var context = {\n shape: shape,\n hints: hints || {}\n };\n\n this._commandStack.execute('shape.delete', context);\n};\n\n\nModeling.prototype.removeConnection = function(connection, hints) {\n var context = {\n connection: connection,\n hints: hints || {}\n };\n\n this._commandStack.execute('connection.delete', context);\n};\n\nModeling.prototype.replaceShape = function(oldShape, newShape, hints) {\n var context = {\n oldShape: oldShape,\n newData: newShape,\n hints: hints || {}\n };\n\n this._commandStack.execute('shape.replace', context);\n\n return context.newShape;\n};\n\nModeling.prototype.resizeShape = function(shape, newBounds) {\n var context = {\n shape: shape,\n newBounds: newBounds\n };\n\n this._commandStack.execute('shape.resize', context);\n};\n\nModeling.prototype.createSpace = function(movingShapes, resizingShapes, delta, direction) {\n var context = {\n movingShapes: movingShapes,\n resizingShapes: resizingShapes,\n delta: delta,\n direction: direction\n };\n\n this._commandStack.execute('spaceTool', context);\n};\n\nModeling.prototype.updateWaypoints = function(connection, newWaypoints) {\n var context = {\n connection: connection,\n newWaypoints: newWaypoints\n };\n\n this._commandStack.execute('connection.updateWaypoints', context);\n};\n\nModeling.prototype.reconnectStart = function(connection, newSource, dockingOrPoints) {\n var context = {\n connection: connection,\n newSource: newSource,\n dockingOrPoints: dockingOrPoints\n };\n\n this._commandStack.execute('connection.reconnectStart', context);\n};\n\nModeling.prototype.reconnectEnd = function(connection, newTarget, dockingOrPoints) {\n var context = {\n connection: connection,\n newTarget: newTarget,\n dockingOrPoints: dockingOrPoints\n };\n\n this._commandStack.execute('connection.reconnectEnd', context);\n};\n\nModeling.prototype.connect = function(source, target, attrs) {\n return this.createConnection(source, target, attrs || {}, source.parent);\n};\n\nModeling.prototype._create = function(type, attrs) {\n if (attrs instanceof model.Base) {\n return attrs;\n } else {\n return this._elementFactory.create(type, attrs);\n }\n};\n","'use strict';\n\nvar any = require(251);\n\nvar inherits = require(243);\n\n\n/**\n * A handler that implements reversible appending of shapes\n * to a source shape.\n *\n * @param {canvas} Canvas\n * @param {elementFactory} ElementFactory\n * @param {modeling} Modeling\n */\nfunction AppendShapeHandler(modeling) {\n this._modeling = modeling;\n}\n\ninherits(AppendShapeHandler, require(154));\n\n\nAppendShapeHandler.$inject = [ 'modeling' ];\n\nmodule.exports = AppendShapeHandler;\n\n\n////// api /////////////////////////////////////////////\n\n/**\n * Creates a new shape\n *\n * @param {Object} context\n * @param {ElementDescriptor} context.shape the new shape\n * @param {ElementDescriptor} context.source the source object\n * @param {ElementDescriptor} context.parent the parent object\n * @param {Point} context.position position of the new element\n */\nAppendShapeHandler.prototype.preExecute = function(context) {\n\n if (!context.source) {\n throw new Error('source required');\n }\n\n var parent = context.parent || context.source.parent,\n shape = this._modeling.createShape(context.shape, context.position, parent);\n\n context.shape = shape;\n};\n\nAppendShapeHandler.prototype.postExecute = function(context) {\n var parent = context.connectionParent || context.shape.parent;\n\n if (!existsConnection(context.source, context.shape)) {\n\n // create connection\n this._modeling.connect(context.source, context.shape, context.connection, parent);\n }\n};\n\n\nfunction existsConnection(source, target) {\n return any(source.outgoing, function(c) {\n return c.target === target;\n });\n}","'use strict';\n\n\nfunction CreateConnectionHandler(canvas, layouter) {\n this._canvas = canvas;\n this._layouter = layouter;\n}\n\nCreateConnectionHandler.$inject = [ 'canvas', 'layouter' ];\n\nmodule.exports = CreateConnectionHandler;\n\n\n\n////// api /////////////////////////////////////////\n\n/**\n * Appends a shape to a target shape\n *\n * @param {Object} context\n * @param {djs.element.Base} context.source the source object\n * @param {djs.element.Base} context.target the parent object\n * @param {Point} context.position position of the new element\n */\nCreateConnectionHandler.prototype.execute = function(context) {\n\n var source = context.source,\n target = context.target,\n parent = context.parent;\n\n if (!source || !target) {\n throw new Error('source and target required');\n }\n\n if (!parent) {\n throw new Error('parent required');\n }\n\n var connection = context.connection;\n\n connection.source = source;\n connection.target = target;\n\n if (!connection.waypoints) {\n connection.waypoints = this._layouter.layoutConnection(connection);\n }\n\n // add connection\n this._canvas.addConnection(connection, parent);\n\n return connection;\n};\n\nCreateConnectionHandler.prototype.revert = function(context) {\n var connection = context.connection;\n\n this._canvas.removeConnection(connection);\n\n connection.source = null;\n connection.target = null;\n};","'use strict';\n\nvar inherits = require(243);\n\nvar CreateShapeHandler = require(146);\n\n\n/**\n * A handler that attaches a label to a given target shape.\n *\n * @param {canvas} Canvas\n */\nfunction CreateLabelHandler(canvas) {\n CreateShapeHandler.call(this, canvas);\n}\n\ninherits(CreateLabelHandler, CreateShapeHandler);\n\nCreateLabelHandler.$inject = [ 'canvas' ];\n\nmodule.exports = CreateLabelHandler;\n\n\n\n////// api /////////////////////////////////////////\n\n\nvar originalExecute = CreateShapeHandler.prototype.execute;\n\n/**\n * Appends a label to a target shape.\n *\n * @method CreateLabelHandler#execute\n *\n * @param {Object} context\n * @param {ElementDescriptor} context.target the element the label is attached to\n * @param {ElementDescriptor} context.parent the parent object\n * @param {Point} context.position position of the new element\n */\nCreateLabelHandler.prototype.execute = function(context) {\n\n var label = context.shape;\n\n ensureValidDimensions(label);\n\n label.labelTarget = context.labelTarget;\n\n return originalExecute.call(this, context);\n};\n\nvar originalRevert = CreateShapeHandler.prototype.revert;\n\n/**\n * Undo append by removing the shape\n */\nCreateLabelHandler.prototype.revert = function(context) {\n context.shape.labelTarget = null;\n\n return originalRevert.call(this, context);\n};\n\n\n////// helpers /////////////////////////////////////////\n\nfunction ensureValidDimensions(label) {\n // make sure a label has valid { width, height } dimensions\n [ 'width', 'height' ].forEach(function(prop) {\n if (typeof label[prop] === 'undefined') {\n label[prop] = 0;\n }\n });\n}","'use strict';\n\nvar assign = require(377);\n\nvar round = Math.round;\n\n\n/**\n * A handler that implements reversible addition of shapes.\n *\n * @param {canvas} Canvas\n */\nfunction CreateShapeHandler(canvas) {\n this._canvas = canvas;\n}\n\nCreateShapeHandler.$inject = [ 'canvas' ];\n\nmodule.exports = CreateShapeHandler;\n\n\n\n////// api /////////////////////////////////////////\n\n\n/**\n * Appends a shape to a target shape\n *\n * @param {Object} context\n * @param {djs.model.Base} context.parent the parent object\n * @param {Point} context.position position of the new element\n */\nCreateShapeHandler.prototype.execute = function(context) {\n\n var shape = context.shape,\n positionOrBounds = context.position,\n parent = context.parent,\n parentIndex = context.parentIndex;\n\n if (!parent) {\n throw new Error('parent required');\n }\n\n if (!positionOrBounds) {\n throw new Error('position required');\n }\n\n // (1) add at event center position _or_ at given bounds\n if (positionOrBounds.width !== undefined) {\n assign(shape, positionOrBounds);\n } else {\n assign(shape, {\n x: positionOrBounds.x - round(shape.width / 2),\n y: positionOrBounds.y - round(shape.height / 2)\n });\n }\n\n // (2) add to canvas\n this._canvas.addShape(shape, parent, parentIndex);\n\n return shape;\n};\n\n\n/**\n * Undo append by removing the shape\n */\nCreateShapeHandler.prototype.revert = function(context) {\n\n // (3) remove form canvas\n this._canvas.removeShape(context.shape);\n};","'use strict';\n\nvar Collections = require(219);\n\n\n/**\n * A handler that implements reversible deletion of Connections.\n *\n */\nfunction DeleteConnectionHandler(canvas, modeling) {\n this._canvas = canvas;\n this._modeling = modeling;\n}\n\nDeleteConnectionHandler.$inject = [ 'canvas', 'modeling' ];\n\nmodule.exports = DeleteConnectionHandler;\n\n\n/**\n * - Remove attached label\n */\nDeleteConnectionHandler.prototype.preExecute = function(context) {\n\n var connection = context.connection;\n\n // Remove label\n if (connection.label) {\n this._modeling.removeShape(connection.label);\n }\n};\n\nDeleteConnectionHandler.prototype.execute = function(context) {\n\n var connection = context.connection,\n parent = connection.parent;\n\n context.parent = parent;\n context.parentIndex = Collections.indexOf(parent.children, connection);\n\n context.source = connection.source;\n context.target = connection.target;\n\n this._canvas.removeConnection(connection);\n\n connection.source = null;\n connection.target = null;\n connection.label = null;\n\n return connection;\n};\n\n/**\n * Command revert implementation.\n */\nDeleteConnectionHandler.prototype.revert = function(context) {\n\n var connection = context.connection,\n parent = context.parent,\n parentIndex = context.parentIndex;\n\n connection.source = context.source;\n connection.target = context.target;\n\n // restore previous location in old parent\n Collections.add(parent.children, connection, parentIndex);\n\n this._canvas.addConnection(connection, parent);\n\n return connection;\n};\n","'use strict';\n\nvar forEach = require(255),\n inherits = require(243);\n\n\nfunction DeleteElementsHandler(modeling, elementRegistry) {\n this._modeling = modeling;\n this._elementRegistry = elementRegistry;\n}\n\ninherits(DeleteElementsHandler, require(154));\n\nDeleteElementsHandler.$inject = [ 'modeling', 'elementRegistry' ];\n\nmodule.exports = DeleteElementsHandler;\n\n\nDeleteElementsHandler.prototype.postExecute = function(context) {\n\n var modeling = this._modeling,\n elementRegistry = this._elementRegistry,\n elements = context.elements;\n\n forEach(elements, function(element) {\n\n // element may have been removed with previous\n // remove operations already (e.g. in case of nesting)\n if (!elementRegistry.get(element.id)) {\n return;\n }\n\n if (element.waypoints) {\n modeling.removeConnection(element);\n } else {\n modeling.removeShape(element);\n }\n });\n};","'use strict';\n\nvar Collections = require(219);\n\nvar saveClear = require(230).saveClear;\n\n\n/**\n * A handler that implements reversible deletion of shapes.\n *\n */\nfunction DeleteShapeHandler(canvas, modeling) {\n this._canvas = canvas;\n this._modeling = modeling;\n}\n\nDeleteShapeHandler.$inject = [ 'canvas', 'modeling' ];\n\nmodule.exports = DeleteShapeHandler;\n\n\n/**\n * - Remove connections\n * - Remove all direct children\n */\nDeleteShapeHandler.prototype.preExecute = function(context) {\n\n var modeling = this._modeling;\n\n var shape = context.shape,\n label = shape.label;\n\n // Clean up on removeShape(label)\n if (shape.labelTarget) {\n context.labelTarget = shape.labelTarget;\n shape.labelTarget = null;\n }\n\n // Remove label\n if (label) {\n this._modeling.removeShape(label, { nested: true });\n }\n\n // remove connections\n saveClear(shape.incoming, function(connection) {\n // To make sure that the connection isn't removed twice\n // For example if a container is removed\n modeling.removeConnection(connection, { nested: true });\n });\n\n saveClear(shape.outgoing, function(connection) {\n modeling.removeConnection(connection, { nested: true });\n });\n\n\n // remove children\n saveClear(shape.children, function(e) {\n modeling.removeShape(e, { nested: true });\n });\n};\n\n/**\n * Remove shape and remember the parent\n */\nDeleteShapeHandler.prototype.execute = function(context) {\n var canvas = this._canvas;\n\n var shape = context.shape,\n oldParent = shape.parent;\n\n context.oldParent = oldParent;\n context.oldParentIndex = Collections.indexOf(oldParent.children, shape);\n\n shape.label = null;\n\n canvas.removeShape(shape);\n\n return shape;\n};\n\n\n/**\n * Command revert implementation\n */\nDeleteShapeHandler.prototype.revert = function(context) {\n\n var canvas = this._canvas;\n\n var shape = context.shape,\n oldParent = context.oldParent,\n oldParentIndex = context.oldParentIndex,\n labelTarget = context.labelTarget;\n\n // restore previous location in old oldParent\n Collections.add(oldParent.children, shape, oldParentIndex);\n\n if (labelTarget) {\n labelTarget.label = shape;\n }\n\n canvas.addShape(shape, oldParent);\n\n return shape;\n};\n","'use strict';\n\nvar assign = require(377);\n\n\n/**\n * A handler that implements reversible moving of shapes.\n */\nfunction LayoutConnectionHandler(layouter, canvas) {\n this._layouter = layouter;\n this._canvas = canvas;\n}\n\nLayoutConnectionHandler.$inject = [ 'layouter', 'canvas' ];\n\nmodule.exports = LayoutConnectionHandler;\n\nLayoutConnectionHandler.prototype.execute = function(context) {\n\n var connection = context.connection,\n parent = connection.parent,\n connectionSiblings = parent.children;\n\n var oldIndex = connectionSiblings.indexOf(connection);\n\n var oldWaypoints = connection.waypoints;\n\n assign(context, {\n oldWaypoints: oldWaypoints,\n oldIndex: oldIndex\n });\n\n sendToFront(connection);\n\n connection.waypoints = this._layouter.layoutConnection(connection, context.hints);\n\n if (!oldWaypoints.length) {\n return connection;\n }\n\n // Only pass in the the `original` values if they don't exist\n if (oldWaypoints[0].original && !connection.waypoints[0].original) {\n\n connection.waypoints[0].original = {\n x: oldWaypoints[0].original.x,\n y: oldWaypoints[0].original.y\n };\n }\n\n if (last(oldWaypoints).original && !last(connection.waypoints).original) {\n\n last(connection.waypoints).original = {\n x: last(oldWaypoints).original.x,\n y: last(oldWaypoints).original.y\n };\n }\n\n return connection;\n};\n\nLayoutConnectionHandler.prototype.revert = function(context) {\n\n var connection = context.connection,\n parent = connection.parent,\n connectionSiblings = parent.children,\n currentIndex = connectionSiblings.indexOf(connection),\n oldIndex = context.oldIndex;\n\n connection.waypoints = context.oldWaypoints;\n\n if (oldIndex !== currentIndex) {\n\n // change position of connection in shape\n connectionSiblings.splice(currentIndex, 1);\n connectionSiblings.splice(oldIndex, 0, connection);\n }\n\n return connection;\n};\n\nfunction last(coll) {\n return coll[coll.length - 1];\n}\n\n// connections should have a higher z-order as there source and targets\nfunction sendToFront(connection) {\n\n var connectionSiblings = connection.parent.children;\n\n var connectionIdx = connectionSiblings.indexOf(connection),\n sourceIdx = findIndex(connectionSiblings, connection.source),\n targetIdx = findIndex(connectionSiblings, connection.target),\n\n // ensure we do not send the connection back\n // if it is already in front\n insertIndex = Math.max(sourceIdx + 1, targetIdx + 1, connectionIdx);\n\n if (connectionIdx < insertIndex) {\n connectionSiblings.splice(insertIndex, 0, connection); // add to new position\n connectionSiblings.splice(connectionIdx, 1); // remove from old position\n }\n\n function findIndex(array, obj) {\n\n var index = array.indexOf(obj);\n if (index < 0 && obj) {\n var parent = obj.parent;\n index = findIndex(array, parent);\n }\n return index;\n }\n\n return insertIndex;\n}\n","'use strict';\n\nvar forEach = require(255);\n\nvar Collections = require(219);\n\n\n/**\n * A handler that implements reversible moving of connections.\n *\n * The handler differs from the layout connection handler in a sense\n * that it preserves the connection layout.\n */\nfunction MoveConnectionHandler() { }\n\nmodule.exports = MoveConnectionHandler;\n\n\nMoveConnectionHandler.prototype.execute = function(context) {\n\n var connection = context.connection,\n delta = context.delta;\n\n var newParent = context.newParent || connection.parent,\n newParentIndex = context.newParentIndex,\n oldParent = connection.parent;\n\n // save old parent in context\n context.oldParent = oldParent;\n context.oldParentIndex = Collections.remove(oldParent.children, connection);\n\n // add to new parent at position\n Collections.add(newParent.children, connection, newParentIndex);\n\n // update parent\n connection.parent = newParent;\n\n\n var updateAnchors = (context.hints.updateAnchors !== false);\n\n // update waypoint positions\n forEach(connection.waypoints, function(p) {\n p.x += delta.x;\n p.y += delta.y;\n\n if (updateAnchors && p.original) {\n p.original.x += delta.x;\n p.original.y += delta.y;\n }\n });\n\n return connection;\n};\n\nMoveConnectionHandler.prototype.revert = function(context) {\n\n var connection = context.connection,\n newParent = connection.parent,\n oldParent = context.oldParent,\n oldParentIndex = context.oldParentIndex,\n delta = context.delta;\n\n // remove from newParent\n Collections.remove(newParent.children, connection);\n\n // restore previous location in old parent\n Collections.add(oldParent.children, connection, oldParentIndex);\n\n // restore parent\n connection.parent = oldParent;\n\n\n var updateAnchors = (context.hints.updateAnchors !== false);\n\n // revert to old waypoint positions\n forEach(connection.waypoints, function(p) {\n p.x -= delta.x;\n p.y -= delta.y;\n\n if (updateAnchors && p.original) {\n p.original.x -= delta.x;\n p.original.y -= delta.y;\n }\n });\n\n return connection;\n};","'use strict';\n\nvar MoveHelper = require(162);\n\n\n/**\n * A handler that implements reversible moving of shapes.\n */\nfunction MoveElementsHandler(modeling) {\n this._helper = new MoveHelper(modeling);\n}\n\nMoveElementsHandler.$inject = [ 'modeling' ];\n\nmodule.exports = MoveElementsHandler;\n\nMoveElementsHandler.prototype.preExecute = function(context) {\n context.closure = this._helper.getClosure(context.shapes);\n};\n\nMoveElementsHandler.prototype.postExecute = function(context) {\n\n var hints = context.hints,\n primaryShape;\n\n if (hints && hints.primaryShape) {\n primaryShape = hints.primaryShape;\n hints.oldParent = primaryShape.parent;\n }\n\n this._helper.moveClosure(context.closure, context.delta, context.newParent, context.newHost, primaryShape);\n};\n\n\nMoveElementsHandler.prototype.execute = function(context) { };\nMoveElementsHandler.prototype.revert = function(context) { };\n","'use strict';\n\nvar assign = require(377),\n forEach = require(255),\n pick = require(383);\n\nvar MoveHelper = require(162),\n Collections = require(219);\n\n/**\n * A handler that implements reversible moving of shapes.\n */\nfunction MoveShapeHandler(modeling) {\n this._modeling = modeling;\n\n this._helper = new MoveHelper(modeling);\n}\n\nMoveShapeHandler.$inject = [ 'modeling' ];\n\nmodule.exports = MoveShapeHandler;\n\n\nMoveShapeHandler.prototype.execute = function(context) {\n\n var shape = context.shape,\n delta = context.delta,\n newParent = context.newParent || shape.parent,\n newParentIndex = context.newParentIndex,\n oldParent = shape.parent;\n\n context.oldBounds = pick(shape, [ 'x', 'y', 'width', 'height']);\n\n // save old parent in context\n context.oldParent = oldParent;\n context.oldParentIndex = Collections.remove(oldParent.children, shape);\n\n // add to new parent at position\n Collections.add(newParent.children, shape, newParentIndex);\n\n // update shape parent + position\n assign(shape, {\n parent: newParent,\n x: shape.x + delta.x,\n y: shape.y + delta.y\n });\n\n return shape;\n};\n\nMoveShapeHandler.prototype.postExecute = function(context) {\n\n var shape = context.shape,\n oldBounds = context.oldBounds;\n\n var modeling = this._modeling;\n\n if (context.hints.updateAnchors !== false) {\n modeling.updateAnchors(shape, oldBounds);\n }\n\n if (context.hints.layout !== false) {\n forEach(shape.incoming, function(c) {\n modeling.layoutConnection(c, { endChanged: true });\n });\n\n forEach(shape.outgoing, function(c) {\n modeling.layoutConnection(c, { startChanged: true });\n });\n }\n\n if (context.hints.recurse !== false) {\n this.moveChildren(context);\n }\n};\n\nMoveShapeHandler.prototype.revert = function(context) {\n\n var shape = context.shape,\n oldParent = context.oldParent,\n oldParentIndex = context.oldParentIndex,\n delta = context.delta;\n\n // restore previous location in old parent\n Collections.add(oldParent.children, shape, oldParentIndex);\n\n // revert to old position and parent\n assign(shape, {\n parent: oldParent,\n x: shape.x - delta.x,\n y: shape.y - delta.y\n });\n\n return shape;\n};\n\nMoveShapeHandler.prototype.moveChildren = function(context) {\n\n var delta = context.delta,\n shape = context.shape;\n\n this._helper.moveRecursive(shape.children, delta, null);\n};\n\nMoveShapeHandler.prototype.getNewParent = function(context) {\n return context.newParent || context.shape.parent;\n};\n","'use strict';\n\nfunction NoopHandler() {}\n\nmodule.exports = NoopHandler;\n\nNoopHandler.prototype.execute = function() {};\nNoopHandler.prototype.revert = function() {};","'use strict';\n\nvar isArray = require(368);\n\n\n/**\n * Reconnect connection handler\n */\nfunction ReconnectConnectionHandler() { }\n\nReconnectConnectionHandler.$inject = [ ];\n\nmodule.exports = ReconnectConnectionHandler;\n\nReconnectConnectionHandler.prototype.execute = function(context) {\n\n var newSource = context.newSource,\n newTarget = context.newTarget,\n connection = context.connection,\n dockingOrPoints = context.dockingOrPoints,\n oldWaypoints = connection.waypoints,\n newWaypoints;\n\n if (!newSource && !newTarget) {\n throw new Error('newSource or newTarget are required');\n }\n\n if (newSource && newTarget) {\n throw new Error('must specify either newSource or newTarget');\n }\n\n context.oldWaypoints = oldWaypoints;\n\n if (isArray(dockingOrPoints)) {\n newWaypoints = dockingOrPoints;\n } else {\n newWaypoints = oldWaypoints.slice();\n\n newWaypoints.splice(newSource ? 0 : -1, 1, dockingOrPoints);\n }\n\n if (newSource) {\n context.oldSource = connection.source;\n connection.source = newSource;\n }\n\n if (newTarget) {\n context.oldTarget = connection.target;\n connection.target = newTarget;\n }\n\n connection.waypoints = newWaypoints;\n\n return connection;\n};\n\nReconnectConnectionHandler.prototype.revert = function(context) {\n\n var newSource = context.newSource,\n newTarget = context.newTarget,\n connection = context.connection;\n\n if (newSource) {\n connection.source = context.oldSource;\n }\n\n if (newTarget) {\n connection.target = context.oldTarget;\n }\n\n connection.waypoints = context.oldWaypoints;\n\n return connection;\n};","'use strict';\n\nvar forEach = require(255);\n\n\n/**\n * A handler that implements reversible replacing of shapes.\n * Internally the old shape will be removed and the new shape will be added.\n *\n *\n * @class\n * @constructor\n *\n * @param {canvas} Canvas\n */\nfunction ReplaceShapeHandler(modeling, rules) {\n this._modeling = modeling;\n this._rules = rules;\n}\n\nReplaceShapeHandler.$inject = [ 'modeling', 'rules' ];\n\nmodule.exports = ReplaceShapeHandler;\n\n\n\n////// api /////////////////////////////////////////\n\n\n/**\n * Replaces a shape with an replacement Element.\n *\n * The newData object should contain type, x, y.\n *\n * If possible also the incoming/outgoing connection\n * will be restored.\n *\n * @param {Object} context\n */\n ReplaceShapeHandler.prototype.preExecute = function(context) {\n\n var modeling = this._modeling,\n rules = this._rules;\n\n var oldShape = context.oldShape,\n newData = context.newData,\n hints = context.hints,\n newShape;\n\n\n // (1) place a new shape at the given position\n\n var position = {\n x: newData.x,\n y: newData.y\n };\n\n newShape = context.newShape = context.newShape || modeling.createShape(newData, position, oldShape.parent);\n\n\n // (2) update the host\n\n if (oldShape.host) {\n modeling.updateAttachment(newShape, oldShape.host);\n }\n\n\n // (3) adopt all children from the old shape\n\n if (hints.moveChildren !== false) {\n modeling.moveElements(oldShape.children, { x: 0, y: 0 }, newShape);\n }\n\n // (4) reconnect connections to the new shape (where allowed)\n\n var incoming = oldShape.incoming.slice(),\n outgoing = oldShape.outgoing.slice();\n\n forEach(incoming, function(connection) {\n var waypoints = connection.waypoints,\n docking = waypoints[waypoints.length - 1],\n allowed = rules.allowed('connection.reconnectEnd', {\n source: connection.source,\n target: newShape,\n connection: connection\n });\n\n if (allowed) {\n modeling.reconnectEnd(connection, newShape, docking);\n }\n });\n\n forEach(outgoing, function(connection) {\n var waypoints = connection.waypoints,\n docking = waypoints[0],\n allowed = rules.allowed('connection.reconnectStart', {\n source: newShape,\n target: connection.target,\n connection: connection\n });\n\n if (allowed) {\n modeling.reconnectStart(connection, newShape, docking);\n }\n });\n};\n\n\nReplaceShapeHandler.prototype.postExecute = function(context) {\n var modeling = this._modeling;\n\n var oldShape = context.oldShape;\n\n modeling.removeShape(oldShape);\n};\n\n\nReplaceShapeHandler.prototype.execute = function(context) {};\n\nReplaceShapeHandler.prototype.revert = function(context) {};\n","'use strict';\n\nvar assign = require(377),\n forEach = require(255);\n\n\n/**\n * A handler that implements reversible resizing of shapes.\n *\n */\nfunction ResizeShapeHandler(modeling) {\n this._modeling = modeling;\n}\n\nResizeShapeHandler.$inject = [ 'modeling' ];\n\nmodule.exports = ResizeShapeHandler;\n\n/**\n * {\n * shape: {....}\n * newBounds: {\n * width: 20,\n * height: 40,\n * x: 5,\n * y: 10\n * }\n *\n * }\n */\nResizeShapeHandler.prototype.execute = function(context) {\n\n var shape = context.shape,\n newBounds = context.newBounds;\n\n if (newBounds.x === undefined || newBounds.y === undefined ||\n newBounds.width === undefined || newBounds.height === undefined) {\n throw new Error('newBounds must have {x, y, width, height} properties');\n }\n\n if (newBounds.width < 10 || newBounds.height < 10) {\n throw new Error('width and height cannot be less than 10px');\n }\n\n // save old bbox in context\n context.oldBounds = {\n width: shape.width,\n height: shape.height,\n x: shape.x,\n y: shape.y\n };\n\n // update shape\n assign(shape, {\n width: newBounds.width,\n height: newBounds.height,\n x: newBounds.x,\n y: newBounds.y\n });\n\n return shape;\n};\n\nResizeShapeHandler.prototype.postExecute = function(context) {\n\n var shape = context.shape,\n oldBounds = context.oldBounds;\n\n var modeling = this._modeling;\n\n modeling.updateAnchors(shape, oldBounds);\n\n forEach(shape.incoming, function(c) {\n modeling.layoutConnection(c, { endChanged: true });\n });\n\n forEach(shape.outgoing, function(c) {\n modeling.layoutConnection(c, { startChanged: true });\n });\n\n};\n\nResizeShapeHandler.prototype.revert = function(context) {\n\n var shape = context.shape,\n oldBounds = context.oldBounds;\n\n // restore previous bbox\n assign(shape, {\n width: oldBounds.width,\n height: oldBounds.height,\n x: oldBounds.x,\n y: oldBounds.y\n });\n\n return shape;\n};\n","'use strict';\n\nvar forEach = require(255);\n\nvar SpaceUtil = require(195);\n\n/**\n * A handler that implements reversible creating and removing of space.\n *\n * It executes in two phases:\n *\n * (1) resize all affected resizeShapes\n * (2) move all affected moveElements\n */\nfunction SpaceToolHandler(modeling) {\n this._modeling = modeling;\n}\n\nSpaceToolHandler.$inject = [ 'modeling' ];\n\nmodule.exports = SpaceToolHandler;\n\n\nSpaceToolHandler.prototype.preExecute = function(context) {\n\n // resize\n var modeling = this._modeling,\n resizingShapes = context.resizingShapes,\n delta = context.delta,\n direction = context.direction;\n\n forEach(resizingShapes, function(shape) {\n var newBounds = SpaceUtil.resizeBounds(shape, direction, delta);\n\n modeling.resizeShape(shape, newBounds);\n });\n};\n\nSpaceToolHandler.prototype.postExecute = function(context) {\n // move\n var modeling = this._modeling,\n movingShapes = context.movingShapes,\n delta = context.delta;\n\n modeling.moveElements(movingShapes, delta);\n};\n\nSpaceToolHandler.prototype.execute = function(context) {};\nSpaceToolHandler.prototype.revert = function(context) {};\n","'use strict';\n\nvar forEach = require(255);\n\nvar getNewAttachPoint = require(217).getNewAttachPoint;\n\n/**\n * Update the anchors of\n */\nfunction UpdateAnchorsHandler() { }\n\nmodule.exports = UpdateAnchorsHandler;\n\n/**\n * Update anchors on the element according to the delta movement.\n *\n * @param {context} context\n * @param {djs.model.Element} context.element\n * @param {dc.Bounds} context.oldBounds\n *\n * @return Array<djs.model.Connection>\n */\nUpdateAnchorsHandler.prototype.execute = function(context) {\n\n var element = context.element,\n oldBounds = context.oldBounds;\n\n // storing all changed connections for revert\n var changedConnections = context.changedConnections = [];\n\n // Array containing all the previous original points\n var oldAnchors = context.oldAnchors = [];\n\n\n /**\n * Update anchors for all connections,\n * taking anchorPosition = (start|end) into account\n */\n function updateAnchors(connections, anchorPosition) {\n forEach(connections, function(c) {\n\n var waypoints = c.waypoints,\n pointIndex = anchorPosition === 'end' ? waypoints.length - 1 : 0,\n point = waypoints[pointIndex];\n\n oldAnchors.push({ point: point, oldOriginal: point.original });\n\n // calculate the new original point\n // based on the old orgininal\n // fall back to actual point if no old original is set\n point.original = getNewAttachPoint(point.original || point, oldBounds, element);\n\n changedConnections.push(c);\n });\n }\n\n updateAnchors(element.incoming, 'end');\n updateAnchors(element.outgoing, 'start');\n\n return changedConnections;\n};\n\nUpdateAnchorsHandler.prototype.revert = function(context) {\n var oldAnchors = context.oldAnchors,\n changedConnections = context.changedConnections;\n\n forEach(oldAnchors, function(anchor) {\n // replace point.original with the old version\n // we stored during execute\n anchor.point.original = anchor.oldOriginal;\n });\n\n return changedConnections;\n};","'use strict';\n\nvar Collections = require(219);\n\n/**\n * A handler that implements reversible attaching/detaching of shapes.\n */\nfunction UpdateAttachmentHandler(modeling) {\n this._modeling = modeling;\n}\n\nmodule.exports = UpdateAttachmentHandler;\n\nUpdateAttachmentHandler.$inject = [ 'modeling' ];\n\n\nUpdateAttachmentHandler.prototype.execute = function(context) {\n var shape = context.shape,\n newHost = context.newHost,\n oldHost = shape.host;\n\n // (0) detach from old host\n context.oldHost = oldHost;\n context.attacherIdx = removeAttacher(oldHost, shape);\n\n // (1) attach to new host\n addAttacher(newHost, shape);\n\n // (2) update host\n shape.host = newHost;\n\n return shape;\n};\n\nUpdateAttachmentHandler.prototype.revert = function(context) {\n var shape = context.shape,\n newHost = context.newHost,\n oldHost = context.oldHost,\n attacherIdx = context.attacherIdx;\n\n // (2) update host\n shape.host = oldHost;\n\n // (1) attach to new host\n removeAttacher(newHost, shape);\n\n // (0) detach from old host\n addAttacher(oldHost, shape, attacherIdx);\n\n return shape;\n};\n\n\nfunction removeAttacher(host, attacher) {\n // remove attacher from host\n return Collections.remove(host && host.attachers, attacher);\n}\n\nfunction addAttacher(host, attacher, idx) {\n\n if (!host) {\n return;\n }\n\n var attachers = host.attachers;\n\n if (!attachers) {\n host.attachers = attachers = [];\n }\n\n Collections.add(attachers, attacher, idx);\n}\n","'use strict';\n\nfunction UpdateWaypointsHandler() { }\n\nmodule.exports = UpdateWaypointsHandler;\n\nUpdateWaypointsHandler.prototype.execute = function(context) {\n\n var connection = context.connection,\n newWaypoints = context.newWaypoints;\n\n context.oldWaypoints = connection.waypoints;\n\n connection.waypoints = newWaypoints;\n\n return connection;\n};\n\nUpdateWaypointsHandler.prototype.revert = function(context) {\n\n var connection = context.connection,\n oldWaypoints = context.oldWaypoints;\n\n connection.waypoints = oldWaypoints;\n\n return connection;\n};","'use strict';\n\nvar forEach = require(255);\n\nvar Elements = require(221);\n\n\n/**\n * A helper that is able to carry out serialized move operations on multiple elements.\n *\n * @param {Modeling} modeling\n */\nfunction MoveHelper(modeling) {\n this._modeling = modeling;\n}\n\nmodule.exports = MoveHelper;\n\n/**\n * Move the specified elements and all children by the given delta.\n *\n * This moves all enclosed connections, too and layouts all affected\n * external connections.\n *\n * @param {Array<djs.model.Base>} elements\n * @param {Point} delta\n * @param {djs.model.Base} newParent applied to the first level of shapes\n *\n * @return {Array<djs.model.Base>} list of touched elements\n */\nMoveHelper.prototype.moveRecursive = function(elements, delta, newParent) {\n if (!elements) {\n return [];\n } else {\n return this.moveClosure(this.getClosure(elements), delta, newParent);\n }\n};\n\n/**\n * Move the given closure of elmements.\n *\n * @param {Object} closure\n * @param {Point} delta\n * @param {djs.model.Base} [newParent]\n * @param {djs.model.Base} [newHost]\n */\nMoveHelper.prototype.moveClosure = function(closure, delta, newParent, newHost, primaryShape) {\n var modeling = this._modeling;\n\n var allShapes = closure.allShapes,\n allConnections = closure.allConnections,\n enclosedConnections = closure.enclosedConnections,\n topLevel = closure.topLevel;\n\n var keepParent = false;\n\n if (primaryShape && primaryShape.parent === newParent) {\n keepParent = true;\n }\n\n // move all shapes\n forEach(allShapes, function(shape) {\n\n // move the element according to the given delta\n modeling.moveShape(shape, delta, topLevel[shape.id] && !keepParent && newParent, {\n recurse: false,\n layout: false\n });\n });\n\n // move all child connections / layout external connections\n forEach(allConnections, function(c) {\n\n var startMoved = !!allShapes[c.source.id],\n endMoved = !!allShapes[c.target.id];\n\n if (enclosedConnections[c.id] && startMoved && endMoved) {\n modeling.moveConnection(c, delta, topLevel[c.id] && newParent, { updateAnchors: false });\n } else {\n modeling.layoutConnection(c, {\n startChanged: startMoved,\n endChanged: endMoved\n });\n }\n });\n};\n\n/**\n * Returns the closure for the selected elements\n *\n * @param {Array<djs.model.Base>} elements\n * @return {Object} closure\n */\nMoveHelper.prototype.getClosure = function(elements) {\n return Elements.getClosure(elements);\n};\n","module.exports = {\n __depends__: [\n require(100),\n require(120),\n require(185)\n ],\n __init__: [ 'modeling' ],\n modeling: [ 'type', require(142) ],\n layouter: [ 'type', require(206) ]\n};\n","'use strict';\n\nvar assign = require(377),\n filter = require(253),\n groupBy = require(256);\n\nvar LOW_PRIORITY = 500,\n MEDIUM_PRIORITY = 1250,\n HIGH_PRIORITY = 1500;\n\nvar getOriginalEvent = require(222).getOriginal;\n\nvar round = Math.round;\n\nfunction mid(element) {\n return {\n x: element.x + round(element.width / 2),\n y: element.y + round(element.height / 2)\n };\n}\n\n/**\n * A plugin that makes shapes draggable / droppable.\n *\n * @param {EventBus} eventBus\n * @param {Dragging} dragging\n * @param {Modeling} modeling\n * @param {Selection} selection\n * @param {Rules} rules\n */\nfunction MoveEvents(eventBus, dragging, modeling, selection, rules) {\n\n // rules\n\n function canMove(shapes, delta, position, target) {\n\n return rules.allowed('elements.move', {\n shapes: shapes,\n delta: delta,\n position: position,\n target: target\n });\n }\n\n\n // move events\n\n // assign a high priority to this handler to setup the environment\n // others may hook up later, e.g. at default priority and modify\n // the move environment\n //\n eventBus.on('shape.move.start', HIGH_PRIORITY, function(event) {\n\n var context = event.context,\n shape = event.shape,\n shapes = selection.get().slice();\n\n // move only single shape if the dragged element\n // is not part of the current selection\n if (shapes.indexOf(shape) === -1) {\n shapes = [ shape ];\n }\n\n // ensure we remove nested elements in the collection\n // and add attachers for a proper dragger\n shapes = removeNested(shapes);\n\n // attach shapes to drag context\n assign(context, {\n shapes: shapes,\n shape: shape\n });\n });\n\n\n // assign a high priority to this handler to setup the environment\n // others may hook up later, e.g. at default priority and modify\n // the move environment\n //\n eventBus.on('shape.move.start', MEDIUM_PRIORITY, function(event) {\n\n var context = event.context,\n shapes = context.shapes,\n canExecute;\n\n canExecute = context.canExecute = canMove(shapes);\n\n // check if we can move the elements\n if (!canExecute) {\n // suppress move operation\n event.stopPropagation();\n\n return false;\n }\n });\n\n // assign a low priority to this handler\n // to let others modify the move event before we update\n // the context\n //\n eventBus.on('shape.move.move', LOW_PRIORITY, function(event) {\n\n var context = event.context,\n shapes = context.shapes,\n hover = event.hover,\n delta = { x: event.dx, y: event.dy },\n position = { x: event.x, y: event.y },\n canExecute;\n\n // check if we can move the elements\n canExecute = canMove(shapes, delta, position, hover);\n\n context.delta = delta;\n context.canExecute = canExecute;\n\n // simply ignore move over\n if (canExecute === null) {\n context.target = null;\n\n return;\n }\n\n context.target = hover;\n });\n\n eventBus.on('shape.move.end', function(event) {\n\n var context = event.context;\n\n var delta = context.delta,\n canExecute = context.canExecute,\n isAttach = canExecute === 'attach';\n\n if (!canExecute) {\n return false;\n }\n\n // ensure we have actual pixel values deltas\n // (important when zoom level was > 1 during move)\n delta.x = round(delta.x);\n delta.y = round(delta.y);\n\n modeling.moveElements(context.shapes, delta, context.target, isAttach, { primaryShape: context.shape });\n });\n\n\n // move activation\n\n eventBus.on('element.mousedown', function(event) {\n\n var originalEvent = getOriginalEvent(event);\n\n if (!originalEvent) {\n throw new Error('must supply DOM mousedown event');\n }\n\n start(originalEvent, event.element);\n });\n\n\n function start(event, element, activate) {\n\n // do not move connections or the root element\n if (element.waypoints || !element.parent) {\n return;\n }\n\n var startPosition = mid(element);\n\n dragging.init(event, startPosition, 'shape.move', {\n cursor: 'grabbing',\n autoActivate: activate,\n data: {\n shape: element,\n context: {}\n }\n });\n }\n\n // API\n\n this.start = start;\n}\n\nMoveEvents.$inject = [ 'eventBus', 'dragging', 'modeling', 'selection', 'rules' ];\n\nmodule.exports = MoveEvents;\n\n\n/**\n * Return a filtered list of elements that do not contain\n * those nested into others.\n *\n * @param {Array<djs.model.Base>} elements\n *\n * @return {Array<djs.model.Base>} filtered\n */\nfunction removeNested(elements) {\n\n var ids = groupBy(elements, 'id');\n\n return filter(elements, function(element) {\n while (!!(element = element.parent)) {\n\n // parent in selection\n if (ids[element.id]) {\n return false;\n }\n }\n\n return true;\n });\n}\n","'use strict';\n\nvar flatten = require(245),\n forEach = require(255),\n filter = require(253),\n find = require(254),\n size = require(260),\n groupBy = require(256),\n map = require(258);\n\nvar Elements = require(221);\n\nvar LOW_PRIORITY = 500;\n\nvar MARKER_DRAGGING = 'djs-dragging',\n MARKER_OK = 'drop-ok',\n MARKER_NOT_OK = 'drop-not-ok',\n MARKER_NEW_PARENT = 'new-parent',\n MARKER_ATTACH = 'attach-ok';\n\n\n/**\n * A plugin that makes shapes draggable / droppable.\n *\n * @param {EventBus} eventBus\n * @param {ElementRegistry} elementRegistry\n * @param {Canvas} canvas\n * @param {Styles} styles\n */\nfunction MoveVisuals(eventBus, elementRegistry, canvas, styles) {\n\n function getGfx(e) {\n return elementRegistry.getGraphics(e);\n }\n\n function getVisualDragShapes(shapes) {\n\n var elements = Elements.selfAndDirectChildren(shapes, true);\n var filteredElements = removeEdges(elements);\n\n return filteredElements;\n }\n\n function getAllDraggedElements(shapes) {\n var allShapes = Elements.selfAndAllChildren(shapes, true);\n\n var allConnections = map(allShapes, function(shape) {\n return (shape.incoming || []).concat(shape.outgoing || []);\n });\n\n return flatten(allShapes.concat(allConnections), true);\n }\n\n /** set drop marker on an element */\n function setMarker(element, marker) {\n\n [ MARKER_ATTACH, MARKER_OK, MARKER_NOT_OK, MARKER_NEW_PARENT ].forEach(function(m) {\n\n if (m === marker) {\n canvas.addMarker(element, m);\n } else {\n canvas.removeMarker(element, m);\n }\n });\n }\n\n /**\n * Add a dragger for the given shape in the specific\n * move context.\n *\n * @param {Object} context\n * @param {djs.model.Base} element\n */\n function addDragger(context, element) {\n\n var dragGroup = context.dragGroup;\n\n if (!dragGroup) {\n dragGroup = context.dragGroup =\n canvas.getDefaultLayer()\n .group()\n .attr(styles.cls('djs-drag-group', [ 'no-events' ]));\n }\n\n var gfx = getGfx(element),\n dragger = gfx.clone(),\n bbox = gfx.getBBox();\n\n dragger.attr(styles.cls('djs-dragger', [], {\n x: bbox.x,\n y: bbox.y\n }));\n\n dragGroup.add(dragger);\n\n return dragger;\n }\n\n this.addDragger = addDragger;\n\n function makeDraggable(context, element, addMarker) {\n\n addDragger(context, element);\n\n if (addMarker) {\n canvas.addMarker(element, MARKER_DRAGGING);\n }\n\n if (context.allDraggedElements) {\n context.allDraggedElements.push(element);\n } else {\n context.allDraggedElements = [ element ];\n }\n }\n\n // expose to other components\n // that plug into the drag behavior\n this.makeDraggable = makeDraggable;\n\n\n // assign a low priority to this handler\n // to let others modify the move context before\n // we draw things\n //\n eventBus.on('shape.move.start', LOW_PRIORITY, function(event) {\n\n var context = event.context,\n dragShapes = context.shapes,\n allDraggedElements = context.allDraggedElements;\n\n var visuallyDraggedShapes = getVisualDragShapes(dragShapes);\n\n visuallyDraggedShapes.forEach(function(shape) {\n addDragger(context, shape);\n });\n\n // cache all dragged elements / gfx\n // so that we can quickly undo their state changes later\n if (!allDraggedElements) {\n allDraggedElements = getAllDraggedElements(dragShapes);\n } else {\n allDraggedElements = flatten(allDraggedElements, getAllDraggedElements(dragShapes));\n }\n\n // add dragging marker\n forEach(allDraggedElements, function(e) {\n canvas.addMarker(e, MARKER_DRAGGING);\n });\n\n context.allDraggedElements = allDraggedElements;\n\n // determine, if any of the dragged elements have different parents\n context.differentParents = haveDifferentParents(dragShapes);\n });\n\n // assign a low priority to this handler\n // to let others modify the move context before\n // we draw things\n //\n eventBus.on('shape.move.move', LOW_PRIORITY, function(event) {\n\n var context = event.context,\n dragGroup = context.dragGroup,\n target = context.target,\n parent = context.shape.parent,\n canExecute = context.canExecute;\n\n if (target) {\n if (canExecute === 'attach') {\n setMarker(target, MARKER_ATTACH);\n } else if (context.canExecute && target && target.id !== parent.id) {\n setMarker(target, MARKER_NEW_PARENT);\n } else {\n setMarker(target, context.canExecute ? MARKER_OK : MARKER_NOT_OK);\n }\n }\n\n dragGroup.translate(event.dx, event.dy);\n });\n\n eventBus.on([ 'shape.move.out', 'shape.move.cleanup' ], function(event) {\n var context = event.context,\n target = context.target;\n\n if (target) {\n setMarker(target, null);\n }\n });\n\n eventBus.on('shape.move.cleanup', function(event) {\n\n var context = event.context,\n allDraggedElements = context.allDraggedElements,\n dragGroup = context.dragGroup;\n\n\n // remove dragging marker\n forEach(allDraggedElements, function(e) {\n canvas.removeMarker(e, MARKER_DRAGGING);\n });\n\n if (dragGroup) {\n dragGroup.remove();\n }\n });\n}\n\n// returns elements minus all connections\n// where source or target is not elements\nfunction removeEdges(elements) {\n\n var filteredElements = filter(elements, function(element) {\n\n if (!element.waypoints) { // shapes\n return true;\n } else { // connections\n var srcFound = find(elements, element.source);\n var targetFound = find(elements, element.target);\n\n return srcFound && targetFound;\n }\n });\n\n return filteredElements;\n}\n\nfunction haveDifferentParents(elements) {\n return size(groupBy(elements, function(e) { return e.parent && e.parent.id; })) !== 1;\n}\n\nMoveVisuals.$inject = [ 'eventBus', 'elementRegistry', 'canvas', 'styles' ];\n\nmodule.exports = MoveVisuals;\n","module.exports = {\n __depends__: [\n require(135),\n require(189),\n require(169),\n require(185),\n require(129)\n ],\n __init__: [ 'move', 'moveVisuals' ],\n move: [ 'type', require(164) ],\n moveVisuals: [ 'type', require(165) ]\n};\n","'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\n\n/**\n * An abstract provider that allows modelers to implement a custom\n * ordering of diagram elements on the canvas.\n *\n * It makes sure that the order is always preserved during element\n * creation and move operations.\n *\n * In order to use this behavior, inherit from it and override\n * the method {@link OrderingProvider#getOrdering}.\n *\n * @example\n *\n * ```javascript\n * function CustomOrderingProvider(eventBus) {\n * OrderingProvider.call(this, eventBus);\n *\n * this.getOrdering = function(element, newParent) {\n * // always insert elements at the front\n * // when moving\n * return {\n * index: 0,\n * parent: newParent\n * };\n * };\n * }\n * ```\n *\n * @param {EventBus} eventBus\n */\nfunction OrderingProvider(eventBus) {\n\n CommandInterceptor.call(this, eventBus);\n\n\n var self = this;\n\n this.preExecute([ 'shape.create', 'connection.create' ], function(event) {\n\n var context = event.context,\n element = context.shape || context.connection,\n parent = context.parent;\n\n var ordering = self.getOrdering(element, parent);\n\n if (ordering) {\n\n if (ordering.parent !== undefined) {\n context.parent = ordering.parent;\n }\n\n context.parentIndex = ordering.index;\n }\n });\n\n this.preExecute([ 'shape.move', 'connection.move' ], function(event) {\n\n var context = event.context,\n element = context.shape || context.connection,\n parent = context.newParent || element.parent;\n\n var ordering = self.getOrdering(element, parent);\n\n if (ordering) {\n\n if (ordering.parent !== undefined) {\n context.newParent = ordering.parent;\n }\n\n context.newParentIndex = ordering.index;\n }\n });\n}\n\n/**\n * Return a custom ordering of the element, both in terms\n * of parent element and index in the new parent.\n *\n * Implementors of this method must return an object with\n * `parent` _and_ `index` in it.\n *\n * @param {djs.model.Base} element\n * @param {djs.model.Shape} newParent\n *\n * @return {Object} ordering descriptor\n */\nOrderingProvider.prototype.getOrdering = function(element, newParent) {\n return null;\n};\n\ninherits(OrderingProvider, CommandInterceptor);\n\nmodule.exports = OrderingProvider;","'use strict';\n\nvar getBBox = require(221).getBBox;\n\n\n/**\n * @class\n *\n * A plugin that adds an outline to shapes and connections that may be activated and styled\n * via CSS classes.\n *\n * @param {EventBus} events the event bus\n */\nfunction Outline(eventBus, styles, elementRegistry) {\n\n var OUTLINE_OFFSET = 6;\n\n var OUTLINE_STYLE = styles.cls('djs-outline', [ 'no-fill' ]);\n\n function createOutline(gfx, bounds) {\n return gfx.rect(10, 10, 0, 0).attr(OUTLINE_STYLE);\n }\n\n function updateShapeOutline(outline, bounds) {\n\n outline.attr({\n x: -OUTLINE_OFFSET,\n y: -OUTLINE_OFFSET,\n width: bounds.width + OUTLINE_OFFSET * 2,\n height: bounds.height + OUTLINE_OFFSET * 2\n });\n }\n\n function updateConnectionOutline(outline, connection) {\n\n var bbox = getBBox(connection);\n\n outline.attr({\n x: bbox.x - OUTLINE_OFFSET,\n y: bbox.y - OUTLINE_OFFSET,\n width: bbox.width + OUTLINE_OFFSET * 2,\n height: bbox.height + OUTLINE_OFFSET * 2\n });\n }\n\n eventBus.on([ 'shape.added', 'shape.changed' ], function(event) {\n var element = event.element,\n gfx = event.gfx;\n\n var outline = gfx.select('.djs-outline');\n\n if (!outline) {\n outline = createOutline(gfx, element);\n }\n\n updateShapeOutline(outline, element);\n });\n\n eventBus.on([ 'connection.added', 'connection.changed' ], function(event) {\n var element = event.element,\n gfx = event.gfx;\n\n var outline = gfx.select('.djs-outline');\n\n if (!outline) {\n outline = createOutline(gfx, element);\n }\n\n updateConnectionOutline(outline, element);\n });\n\n\n}\n\n\nOutline.$inject = ['eventBus', 'styles', 'elementRegistry'];\n\nmodule.exports = Outline;\n","'use strict';\n\nmodule.exports = {\n __init__: [ 'outline' ],\n outline: [ 'type', require(168) ]\n};","'use strict';\n\nvar isArray = require(368),\n isString = require(374),\n isObject = require(372),\n assign = require(377),\n forEach = require(255),\n filter = require(253);\n\nvar domify = require(394),\n domClasses = require(390),\n domRemove = require(398);\n\nvar getBBox = require(221).getBBox;\n\n// document wide unique overlay ids\nvar ids = new (require(225))('ov');\n\n\nfunction createRoot(parent) {\n var root = domify('<div class=\"djs-overlay-container\" style=\"position: absolute; width: 0; height: 0;\" />');\n parent.insertBefore(root, parent.firstChild);\n\n return root;\n}\n\n\nfunction setPosition(el, x, y) {\n assign(el.style, { left: x + 'px', top: y + 'px' });\n}\n\nfunction setVisible(el, visible) {\n el.style.display = visible === false ? 'none' : '';\n}\n\n/**\n * A service that allows users to attach overlays to diagram elements.\n *\n * The overlay service will take care of overlay positioning during updates.\n *\n * @example\n *\n * // add a pink badge on the top left of the shape\n * overlays.add(someShape, {\n * position: {\n * top: -5,\n * left: -5\n * },\n * html: '<div style=\"width: 10px; background: fuchsia; color: white;\">0</div>'\n * });\n *\n * // or add via shape id\n *\n * overlays.add('some-element-id', {\n * position: {\n * top: -5,\n * left: -5\n * }\n * html: '<div style=\"width: 10px; background: fuchsia; color: white;\">0</div>'\n * });\n *\n * // or add with optional type\n *\n * overlays.add(someShape, 'badge', {\n * position: {\n * top: -5,\n * left: -5\n * }\n * html: '<div style=\"width: 10px; background: fuchsia; color: white;\">0</div>'\n * });\n *\n *\n * // remove an overlay\n *\n * var id = overlays.add(...);\n * overlays.remove(id);\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n * @param {ElementRegistry} elementRegistry\n */\nfunction Overlays(eventBus, canvas, elementRegistry) {\n\n this._eventBus = eventBus;\n this._canvas = canvas;\n this._elementRegistry = elementRegistry;\n\n this._ids = ids;\n\n this._overlayDefaults = {\n show: {\n minZoom: 0.7,\n maxZoom: 5.0\n }\n };\n\n /**\n * Mapping overlayId -> overlay\n */\n this._overlays = {};\n\n /**\n * Mapping elementId -> overlay container\n */\n this._overlayContainers = {};\n\n // root html element for all overlays\n this._overlayRoot = createRoot(canvas.getContainer());\n\n this._init();\n}\n\n\nOverlays.$inject = [ 'eventBus', 'canvas', 'elementRegistry' ];\n\nmodule.exports = Overlays;\n\n\n/**\n * Returns the overlay with the specified id or a list of overlays\n * for an element with a given type.\n *\n * @example\n *\n * // return the single overlay with the given id\n * overlays.get('some-id');\n *\n * // return all overlays for the shape\n * overlays.get({ element: someShape });\n *\n * // return all overlays on shape with type 'badge'\n * overlays.get({ element: someShape, type: 'badge' });\n *\n * // shape can also be specified as id\n * overlays.get({ element: 'element-id', type: 'badge' });\n *\n *\n * @param {Object} search\n * @param {String} [search.id]\n * @param {String|djs.model.Base} [search.element]\n * @param {String} [search.type]\n *\n * @return {Object|Array<Object>} the overlay(s)\n */\nOverlays.prototype.get = function(search) {\n\n if (isString(search)) {\n search = { id: search };\n }\n\n if (search.element) {\n var container = this._getOverlayContainer(search.element, true);\n\n // return a list of overlays when searching by element (+type)\n if (container) {\n return search.type ? filter(container.overlays, { type: search.type }) : container.overlays.slice();\n } else {\n return [];\n }\n } else\n if (search.type) {\n return filter(this._overlays, { type: search.type });\n } else {\n // return single element when searching by id\n return search.id ? this._overlays[search.id] : null;\n }\n};\n\n/**\n * Adds a HTML overlay to an element.\n *\n * @param {String|djs.model.Base} element attach overlay to this shape\n * @param {String} [type] optional type to assign to the overlay\n * @param {Object} overlay the overlay configuration\n *\n * @param {String|DOMElement} overlay.html html element to use as an overlay\n * @param {Object} [overlay.show] show configuration\n * @param {Number} [overlay.show.minZoom] minimal zoom level to show the overlay\n * @param {Number} [overlay.show.maxZoom] maximum zoom level to show the overlay\n * @param {Object} overlay.position where to attach the overlay\n * @param {Number} [overlay.position.left] relative to element bbox left attachment\n * @param {Number} [overlay.position.top] relative to element bbox top attachment\n * @param {Number} [overlay.position.bottom] relative to element bbox bottom attachment\n * @param {Number} [overlay.position.right] relative to element bbox right attachment\n *\n * @return {String} id that may be used to reference the overlay for update or removal\n */\nOverlays.prototype.add = function(element, type, overlay) {\n\n if (isObject(type)) {\n overlay = type;\n type = null;\n }\n\n if (!element.id) {\n element = this._elementRegistry.get(element);\n }\n\n if (!overlay.position) {\n throw new Error('must specifiy overlay position');\n }\n\n if (!overlay.html) {\n throw new Error('must specifiy overlay html');\n }\n\n if (!element) {\n throw new Error('invalid element specified');\n }\n\n var id = this._ids.next();\n\n overlay = assign({}, this._overlayDefaults, overlay, {\n id: id,\n type: type,\n element: element,\n html: overlay.html\n });\n\n this._addOverlay(overlay);\n\n return id;\n};\n\n\n/**\n * Remove an overlay with the given id or all overlays matching the given filter.\n *\n * @see Overlays#get for filter options.\n *\n * @param {String} [id]\n * @param {Object} [filter]\n */\nOverlays.prototype.remove = function(filter) {\n\n var overlays = this.get(filter) || [];\n\n if (!isArray(overlays)) {\n overlays = [ overlays ];\n }\n\n var self = this;\n\n forEach(overlays, function(overlay) {\n\n var container = self._getOverlayContainer(overlay.element, true);\n\n if (overlay) {\n domRemove(overlay.html);\n domRemove(overlay.htmlContainer);\n\n delete overlay.htmlContainer;\n delete overlay.element;\n\n delete self._overlays[overlay.id];\n }\n\n if (container) {\n var idx = container.overlays.indexOf(overlay);\n if (idx !== -1) {\n container.overlays.splice(idx, 1);\n }\n }\n });\n\n};\n\n\nOverlays.prototype.show = function() {\n setVisible(this._overlayRoot);\n};\n\n\nOverlays.prototype.hide = function() {\n setVisible(this._overlayRoot, false);\n};\n\n\nOverlays.prototype._updateOverlayContainer = function(container) {\n var element = container.element,\n html = container.html;\n\n // update container left,top according to the elements x,y coordinates\n // this ensures we can attach child elements relative to this container\n\n var x = element.x,\n y = element.y;\n\n if (element.waypoints) {\n var bbox = getBBox(element);\n x = bbox.x;\n y = bbox.y;\n }\n\n setPosition(html, x, y);\n};\n\n\nOverlays.prototype._updateOverlay = function(overlay) {\n\n var position = overlay.position,\n htmlContainer = overlay.htmlContainer,\n element = overlay.element;\n\n // update overlay html relative to shape because\n // it is already positioned on the element\n\n // update relative\n var left = position.left,\n top = position.top;\n\n if (position.right !== undefined) {\n\n var width;\n\n if (element.waypoints) {\n width = getBBox(element).width;\n } else {\n width = element.width;\n }\n\n left = position.right * -1 + width;\n }\n\n if (position.bottom !== undefined) {\n\n var height;\n\n if (element.waypoints) {\n height = getBBox(element).height;\n } else {\n height = element.height;\n }\n\n top = position.bottom * -1 + height;\n }\n\n setPosition(htmlContainer, left || 0, top || 0);\n};\n\n\nOverlays.prototype._createOverlayContainer = function(element) {\n var html = domify('<div class=\"djs-overlays djs-overlays-' + element.id + '\" style=\"position: absolute\" />');\n\n this._overlayRoot.appendChild(html);\n\n var container = {\n html: html,\n element: element,\n overlays: []\n };\n\n this._updateOverlayContainer(container);\n\n return container;\n};\n\n\nOverlays.prototype._updateRoot = function(viewbox) {\n var a = viewbox.scale || 1;\n var d = viewbox.scale || 1;\n\n var matrix = 'matrix(' + a + ',0,0,' + d + ',' + (-1 * viewbox.x * a) + ',' + (-1 * viewbox.y * d) + ')';\n\n this._overlayRoot.style.transform = matrix;\n this._overlayRoot.style['-ms-transform'] = matrix;\n this._overlayRoot.style['-webkit-transform'] = matrix;\n};\n\n\nOverlays.prototype._getOverlayContainer = function(element, raw) {\n var id = (element && element.id) || element;\n\n var container = this._overlayContainers[id];\n if (!container && !raw) {\n container = this._overlayContainers[id] = this._createOverlayContainer(element);\n }\n\n return container;\n};\n\n\nOverlays.prototype._addOverlay = function(overlay) {\n\n var id = overlay.id,\n element = overlay.element,\n html = overlay.html,\n htmlContainer,\n overlayContainer;\n\n // unwrap jquery (for those who need it)\n if (html.get) {\n html = html.get(0);\n }\n\n // create proper html elements from\n // overlay HTML strings\n if (isString(html)) {\n html = domify(html);\n }\n\n overlayContainer = this._getOverlayContainer(element);\n\n htmlContainer = domify('<div class=\"djs-overlay\" data-overlay-id=\"' + id + '\" style=\"position: absolute\">');\n\n htmlContainer.appendChild(html);\n\n if (overlay.type) {\n domClasses(htmlContainer).add('djs-overlay-' + overlay.type);\n }\n\n overlay.htmlContainer = htmlContainer;\n\n overlayContainer.overlays.push(overlay);\n overlayContainer.html.appendChild(htmlContainer);\n\n this._overlays[id] = overlay;\n\n this._updateOverlay(overlay);\n this._updateOverlayVisibilty(overlay, this._canvas.viewbox());\n};\n\nOverlays.prototype._updateOverlayVisibilty = function (overlay, viewbox) {\n var show = overlay.show,\n htmlContainer = overlay.htmlContainer,\n visible = true;\n\n if (show) {\n if (show.minZoom > viewbox.scale ||\n show.maxZoom < viewbox.scale) {\n visible = false;\n }\n\n setVisible(htmlContainer, visible);\n }\n};\n\nOverlays.prototype._updateOverlaysVisibilty = function(viewbox) {\n\n var self = this;\n\n forEach(this._overlays, function(overlay) {\n self._updateOverlayVisibilty(overlay, viewbox);\n });\n};\n\nOverlays.prototype._init = function() {\n\n var eventBus = this._eventBus;\n\n var self = this;\n\n\n // scroll/zoom integration\n\n function updateViewbox(viewbox) {\n self._updateRoot(viewbox);\n self._updateOverlaysVisibilty(viewbox);\n\n self.show();\n }\n\n eventBus.on('canvas.viewbox.changing', function(event) {\n self.hide();\n });\n\n eventBus.on('canvas.viewbox.changed', function(event) {\n updateViewbox(event.viewbox);\n });\n\n\n // remove integration\n\n eventBus.on([ 'shape.remove', 'connection.remove' ], function(e) {\n var overlays = self.get({ element: e.element });\n\n forEach(overlays, function(o) {\n self.remove(o.id);\n });\n });\n\n\n // move integration\n\n eventBus.on([\n 'element.changed'\n ], function(e) {\n var element = e.element;\n\n var container = self._getOverlayContainer(element, true);\n\n if (container) {\n forEach(container.overlays, function(overlay) {\n self._updateOverlay(overlay);\n });\n\n self._updateOverlayContainer(container);\n }\n });\n\n\n // marker integration, simply add them on the overlays as classes, too.\n\n eventBus.on('element.marker.update', function(e) {\n var container = self._getOverlayContainer(e.element, true);\n if (container) {\n domClasses(container.html)[e.add ? 'add' : 'remove'](e.marker);\n }\n });\n};\n","module.exports = {\n __init__: [ 'overlays' ],\n overlays: [ 'type', require(170) ]\n};","'use strict';\n\nvar isFunction = require(369),\n forEach = require(255);\n\nvar domify = require(394),\n domQuery = require(397),\n domAttr = require(389),\n domClear = require(391),\n domClasses = require(390),\n domMatches = require(396),\n domDelegate = require(393),\n domEvent = require(395);\n\n\nvar toggleSelector = '.djs-palette-toggle',\n entrySelector = '.entry',\n elementSelector = toggleSelector + ', ' + entrySelector;\n\n\n/**\n * A palette containing modeling elements.\n */\nfunction Palette(eventBus, canvas, dragging) {\n\n this._eventBus = eventBus;\n this._canvas = canvas;\n this._dragging = dragging;\n\n this._providers = [];\n\n var self = this;\n\n eventBus.on('tool-manager.update', function(event) {\n var tool = event.tool;\n\n self.updateToolHighlight(tool);\n });\n\n eventBus.on('i18n.changed', function() {\n self._update();\n });\n}\n\nPalette.$inject = [ 'eventBus', 'canvas', 'dragging' ];\n\nmodule.exports = Palette;\n\n\n/**\n * Register a provider with the palette\n *\n * @param {PaletteProvider} provider\n */\nPalette.prototype.registerProvider = function(provider) {\n this._providers.push(provider);\n\n if (!this._container) {\n this._init();\n }\n\n this._update();\n};\n\n\n/**\n * Returns the palette entries for a given element\n *\n * @return {Array<PaletteEntryDescriptor>} list of entries\n */\nPalette.prototype.getEntries = function() {\n\n var entries = {};\n\n // loop through all providers and their entries.\n // group entries by id so that overriding an entry is possible\n forEach(this._providers, function(provider) {\n var e = provider.getPaletteEntries();\n\n forEach(e, function(entry, id) {\n entries[id] = entry;\n });\n });\n\n return entries;\n};\n\n\n/**\n * Initialize\n */\nPalette.prototype._init = function() {\n var parent = this._canvas.getContainer(),\n container = this._container = domify(Palette.HTML_MARKUP),\n self = this;\n\n parent.appendChild(container);\n\n domDelegate.bind(container, elementSelector, 'click', function(event) {\n\n var target = event.delegateTarget;\n\n if (domMatches(target, toggleSelector)) {\n return self.toggle();\n }\n\n self.trigger('click', event);\n });\n\n // prevent drag propagation\n domEvent.bind(container, 'mousedown', function(event) {\n event.stopPropagation();\n });\n\n // prevent drag propagation\n domDelegate.bind(container, entrySelector, 'dragstart', function(event) {\n self.trigger('dragstart', event);\n });\n\n this._eventBus.fire('palette.create', {\n html: container\n });\n};\n\n\nPalette.prototype._update = function() {\n\n var entriesContainer = domQuery('.djs-palette-entries', this._container),\n entries = this._entries = this.getEntries();\n\n domClear(entriesContainer);\n\n forEach(entries, function(entry, id) {\n\n var grouping = entry.group || 'default';\n\n var container = domQuery('[data-group=' + grouping + ']', entriesContainer);\n if (!container) {\n container = domify('<div class=\"group\" data-group=\"' + grouping + '\"></div>');\n entriesContainer.appendChild(container);\n }\n\n var html = entry.html || (\n entry.separator ?\n '<hr class=\"separator\" />' :\n '<div class=\"entry\" draggable=\"true\"></div>');\n\n\n var control = domify(html);\n container.appendChild(control);\n\n if (!entry.separator) {\n domAttr(control, 'data-action', id);\n\n if (entry.title) {\n domAttr(control, 'title', entry.title);\n }\n\n if (entry.className) {\n domClasses(control).add(entry.className);\n }\n\n if (entry.imageUrl) {\n control.appendChild(domify('<img src=\"' + entry.imageUrl + '\">'));\n }\n }\n });\n\n // open after update\n this.open(true);\n};\n\n\n/**\n * Trigger an action available on the palette\n *\n * @param {String} action\n * @param {Event} event\n */\nPalette.prototype.trigger = function(action, event, autoActivate) {\n var entries = this._entries,\n entry,\n handler,\n originalEvent,\n result = false,\n button = event.delegateTarget || event.target;\n\n if (!button) {\n return event.preventDefault();\n }\n\n entry = entries[domAttr(button, 'data-action')];\n handler = entry.action;\n\n originalEvent = event.originalEvent || event;\n\n // simple action (via callback function)\n if (isFunction(handler)) {\n if (action === 'click') {\n result = handler(originalEvent, autoActivate);\n }\n } else {\n if (handler[action]) {\n result = handler[action](originalEvent, autoActivate);\n }\n }\n\n // silence other actions\n event.preventDefault();\n};\n\n\n/**\n * Close the palette\n */\nPalette.prototype.close = function() {\n domClasses(this._container).remove('open');\n};\n\n\n/**\n * Open the palette\n */\nPalette.prototype.open = function() {\n domClasses(this._container).add('open');\n};\n\n\nPalette.prototype.toggle = function(open) {\n if (this.isOpen()) {\n this.close();\n } else {\n this.open();\n }\n};\n\nPalette.prototype.isActiveTool = function(tool) {\n return tool && this._activeTool === tool;\n};\n\nPalette.prototype.updateToolHighlight = function(name) {\n var entriesContainer,\n toolsContainer;\n\n if (!this._toolsContainer) {\n entriesContainer = domQuery('.djs-palette-entries', this._container);\n\n this._toolsContainer = domQuery('[data-group=tools]', entriesContainer);\n }\n\n toolsContainer = this._toolsContainer;\n\n forEach(toolsContainer.children, function(tool) {\n var actionName = tool.getAttribute('data-action');\n\n if (!actionName) {\n return;\n }\n\n actionName = actionName.replace('-tool', '');\n\n if (tool.classList.contains('entry') && actionName === name) {\n domClasses(tool).add('highlighted-entry');\n } else {\n domClasses(tool).remove('highlighted-entry');\n }\n });\n};\n\n\n/**\n * Return true if the palette is opened.\n *\n * @example\n *\n * palette.open();\n *\n * if (palette.isOpen()) {\n * // yes, we are open\n * }\n *\n * @return {boolean} true if palette is opened\n */\nPalette.prototype.isOpen = function() {\n return this._container && domClasses(this._container).has('open');\n};\n\n\n/* markup definition */\n\nPalette.HTML_MARKUP =\n '<div class=\"djs-palette\">' +\n '<div class=\"djs-palette-entries\"></div>' +\n '<div class=\"djs-palette-toggle\"></div>' +\n '</div>';\n","'use strict';\n\nmodule.exports = {\n __depends__: [ require(198) ],\n __init__: [ 'palette' ],\n palette: [ 'type', require(172) ]\n};\n","'use strict';\n\nvar forEach = require(255),\n assign = require(377),\n find = require(254);\n\nvar domDelegate = require(393),\n domify = require(394),\n domClasses = require(390),\n domAttr = require(389),\n domRemove = require(398);\n\nvar DATA_REF = 'data-id';\n\n/**\n * A popup menu that can be used to display a list of actions anywhere in the canvas.\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n *\n * @class\n * @constructor\n */\nfunction PopupMenu(eventBus, canvas) {\n\n this._eventBus = eventBus;\n this._canvas = canvas;\n this._providers = {};\n}\n\nPopupMenu.$inject = [ 'eventBus', 'canvas' ];\n\n/**\n * Registers a popup menu provider\n *\n * @param {String} id\n * @param {Object} provider\n *\n * @example\n * popupMenu.registerProvider('myMenuID', {\n * getEntries: function(element) {\n * return [\n * {\n * id: 'entry-1',\n * label: 'My Entry',\n * action: 'alert(\"I have been clicked!\")'\n * }\n * ];\n * }\n * });\n * })\n */\nPopupMenu.prototype.registerProvider = function(id, provider) {\n this._providers[id] = provider;\n};\n\n\n/**\n * Create a popup menu according to a given element. The id refers to the ID\n * of the provider that must be registered before.\n *\n * @param {String} id provider id\n * @param {Object} element\n *\n * @return {PopupMenu} popup menu instance\n */\nPopupMenu.prototype.create = function(id, element) {\n\n var provider = this._providers[id];\n\n if (!provider) {\n throw new Error('Provider is not registered: ' + id);\n }\n\n if (!element) {\n throw new Error('Element is missing');\n }\n\n var current = this._current = {\n provider: provider,\n className: id,\n element: element\n };\n\n if (provider.getHeaderEntries) {\n current.headerEntries = provider.getHeaderEntries(element);\n }\n\n current.entries = provider.getEntries(element);\n\n return this;\n};\n\n\n/**\n * Determine if the popup menu has entries.\n *\n * @return {Boolean} true if empty\n */\nPopupMenu.prototype.isEmpty = function () {\n\n var current = this._current;\n\n return current.entries.length === 0 && current.headerEntries && current.headerEntries.length === 0;\n};\n\n\n/**\n * Open popup menu at given position\n *\n * @param {Object} position\n *\n * @return {Object} popup menu instance\n */\nPopupMenu.prototype.open = function(position) {\n\n if (!position) {\n throw new Error('the position argument is missing');\n }\n\n // make sure, only one popup menu is open at a time\n if (this.isOpen()) {\n this.close();\n }\n\n var current = this._current,\n canvas = this._canvas,\n parent = canvas.getContainer();\n\n current.position = position;\n\n current.container = this._createContainer();\n\n if (current.headerEntries) {\n var headerEntriesContainer = this._createEntries(current.headerEntries, 'djs-popup-header');\n\n current.container.appendChild(headerEntriesContainer);\n }\n\n if (current.entries) {\n var entriesContainer = this._createEntries(current.entries, 'djs-popup-body');\n\n current.container.appendChild(entriesContainer);\n }\n\n this._attachContainer(current.container, parent, position.cursor);\n\n return this;\n};\n\n\n/**\n * Removes the popup menu and unbinds the event handlers.\n */\nPopupMenu.prototype.close = function() {\n\n if (!this.isOpen()) {\n return;\n }\n\n this._unbindHandlers();\n domRemove(this._current.container);\n this._current.container = null;\n};\n\n\n/**\n * Determine if an open popup menu exist.\n *\n * @return {Boolean} true if open\n */\nPopupMenu.prototype.isOpen = function() {\n return !!this._current.container;\n};\n\n\n/**\n * Trigger an action associated with an entry.\n *\n * @param {Object} event\n *\n * @return the result of the action callback, if any\n */\nPopupMenu.prototype.trigger = function(event) {\n\n // silence other actions\n event.preventDefault();\n\n var element = event.delegateTarget || event.target,\n entryId = domAttr(element, DATA_REF);\n\n var entry = this._getEntry(entryId);\n\n if (entry.action) {\n return entry.action.call(null, event, entry);\n }\n};\n\n/**\n * Gets an entry instance (either entry or headerEntry) by id.\n *\n * @param {String} entryId\n *\n * @return {Object} entry instance\n */\nPopupMenu.prototype._getEntry = function(entryId) {\n\n var search = { id: entryId };\n\n var entry = find(this._current.entries, search) || find(this._current.headerEntries, search);\n\n if (!entry) {\n throw new Error('entry not found');\n }\n\n return entry;\n};\n\n\n/**\n * Creates the popup menu container.\n *\n * @return {Object} a DOM container\n */\nPopupMenu.prototype._createContainer = function() {\n var container = domify('<div class=\"djs-popup\">'),\n position = this._current.position,\n className = this._current.className;\n\n assign(container.style, {\n position: 'absolute',\n left: position.x + 'px',\n top: position.y + 'px',\n visibility: 'hidden'\n });\n\n domClasses(container).add(className);\n\n return container;\n};\n\n\n/**\n * Attaches the container to the DOM and binds the event handlers.\n *\n * @param {Object} container\n * @param {Object} parent\n */\nPopupMenu.prototype._attachContainer = function(container, parent, cursor) {\n var self = this;\n\n // Event handler\n domDelegate.bind(container, '.entry' ,'click', function(event) {\n self.trigger(event);\n });\n\n // apply canvas zoom level\n var zoom = this._canvas.zoom();\n\n container.style.transformOrigin = 'top left';\n container.style.transform = 'scale(' + zoom + ')';\n\n // Attach to DOM\n parent.appendChild(container);\n\n if (cursor) {\n this._assureIsInbounds(container, cursor);\n }\n\n // Add Handler\n this._bindHandlers();\n};\n\n\n/**\n * Make sure that the menu is always fully shown\n *\n * @method function\n *\n * @param {Object} container\n * @param {Position} cursor {x, y}\n */\nPopupMenu.prototype._assureIsInbounds = function(container, cursor) {\n var canvas = this._canvas,\n clientRect = canvas._container.getBoundingClientRect();\n\n var conX = container.offsetLeft,\n conY = container.offsetTop,\n conWidth = container.scrollWidth,\n conHeight = container.scrollHeight,\n overAxis = {},\n left, top;\n\n var curPos = {\n x: cursor.x - clientRect.left,\n y: cursor.y - clientRect.top\n };\n\n if (conX + conWidth > clientRect.width) {\n overAxis.x = true;\n }\n\n if (conY + conHeight > clientRect.height) {\n overAxis.y = true;\n }\n\n if (overAxis.x && overAxis.y) {\n left = curPos.x - conWidth + 'px';\n top = curPos.y - conHeight + 'px';\n } else if (overAxis.x) {\n left = curPos.x - conWidth + 'px';\n top = curPos.y + 'px';\n } else if (overAxis.y) {\n left = curPos.x + 'px';\n top = curPos.y - conHeight + 'px';\n }\n\n assign(container.style, { left: left, top: top }, { visibility: 'visible', 'z-index': 1000 });\n};\n\n\n/**\n * Creates a list of entries and returns them as a DOM container.\n *\n * @param {Array<Object>} entries an array of entry objects\n * @param {String} className the class name of the entry container\n *\n * @return {Object} a DOM container\n */\nPopupMenu.prototype._createEntries = function(entries, className) {\n\n var entriesContainer = domify('<div>'),\n self = this;\n\n domClasses(entriesContainer).add(className);\n\n forEach(entries, function(entry) {\n var entryContainer = self._createEntry(entry, entriesContainer);\n entriesContainer.appendChild(entryContainer);\n });\n\n return entriesContainer;\n};\n\n\n/**\n * Creates a single entry and returns it as a DOM container.\n *\n * @param {Object} entry\n *\n * @return {Object} a DOM container\n */\nPopupMenu.prototype._createEntry = function(entry) {\n\n if (!entry.id) {\n throw new Error ('every entry must have the id property set');\n }\n\n var entryContainer = domify('<div>'),\n entryClasses = domClasses(entryContainer);\n\n entryClasses.add('entry');\n\n if (entry.className) {\n entryClasses.add(entry.className);\n }\n\n domAttr(entryContainer, DATA_REF, entry.id);\n\n if (entry.label) {\n var label = domify('<span>');\n label.textContent = entry.label;\n entryContainer.appendChild(label);\n }\n\n if (entry.imageUrl) {\n entryContainer.appendChild(domify('<img src=\"' + entry.imageUrl + '\" />'));\n }\n\n if (entry.active === true) {\n entryClasses.add('active');\n }\n\n if (entry.disabled === true) {\n entryClasses.add('disabled');\n }\n\n if (entry.title) {\n entryContainer.title = entry.title;\n }\n\n return entryContainer;\n};\n\n\n/**\n * Binds the `close` method to 'contextPad.close' & 'canvas.viewbox.changed'.\n */\nPopupMenu.prototype._bindHandlers = function() {\n\n var eventBus = this._eventBus,\n self = this;\n\n function close() {\n self.close();\n }\n\n eventBus.once('contextPad.close', close);\n eventBus.once('canvas.viewbox.changing', close);\n eventBus.once('commandStack.changed', close);\n};\n\n\n/**\n * Unbinds the `close` method to 'contextPad.close' & 'canvas.viewbox.changing'.\n */\nPopupMenu.prototype._unbindHandlers = function() {\n\n var eventBus = this._eventBus,\n self = this;\n\n function close() {\n self.close();\n }\n\n eventBus.off('contextPad.close', close);\n eventBus.off('canvas.viewbox.changed', close);\n eventBus.off('commandStack.changed', close);\n};\n\nmodule.exports = PopupMenu;\n","'use strict';\n\nmodule.exports = {\n __init__: [ 'popupMenu' ],\n popupMenu: [ 'type', require(174) ]\n};\n","'use strict';\n\n\n/**\n * Service that allow replacing of elements.\n *\n *\n * @class\n * @constructor\n */\nfunction Replace(modeling) {\n\n this._modeling = modeling;\n}\n\nmodule.exports = Replace;\n\nReplace.$inject = [ 'modeling' ];\n\n/**\n * @param {Element} oldElement - Element to be replaced\n * @param {Object} newElementData - Containing information about the new Element, for example height, width, type.\n * @param {Object} options - Custom options that will be attached to the context. It can be used to inject data\n * that is needed in the command chain. For example it could be used in\n * eventbus.on('commandStack.shape.replace.postExecute') to change shape attributes after\n * shape creation.\n */\nReplace.prototype.replaceElement = function(oldElement, newElementData, options) {\n\n var modeling = this._modeling;\n\n var newElement = null;\n\n if (oldElement.waypoints) {\n // TODO\n // modeling.replaceConnection\n } else {\n // set center of element for modeling API\n // if no new width / height is given use old elements size\n newElementData.x = oldElement.x + (newElementData.width || oldElement.width) / 2;\n newElementData.y = oldElement.y + (newElementData.height || oldElement.height) / 2;\n\n newElement = modeling.replaceShape(oldElement, newElementData, options);\n }\n\n return newElement;\n};\n","'use strict';\n\nmodule.exports = {\n __init__: [ 'replace' ],\n replace: [ 'type', require(176) ]\n};\n","'use strict';\n\nvar pick = require(383),\n assign = require(377);\n\nvar ResizeUtil = require(180);\n\nvar asTRBL = require(208).asTRBL,\n roundBounds = require(208).roundBounds;\n\nvar DEFAULT_MIN_WIDTH = 10;\n\n\n/**\n * A component that provides resizing of shapes on the canvas.\n *\n * The following components are part of shape resize:\n *\n * * adding resize handles,\n * * creating a visual during resize\n * * checking resize rules\n * * committing a change once finished\n *\n *\n * ## Customizing\n *\n * It's possible to customize the resizing behaviour by intercepting 'resize.start'\n * and providing the following parameters through the 'context':\n *\n * * minDimensions ({ width, height }): minimum shape dimensions\n *\n * * childrenBoxPadding ({ left, top, bottom, right } || number):\n * gap between the minimum bounding box and the container\n *\n * f.ex:\n *\n * ```javascript\n * eventBus.on('resize.start', 1500, function(event) {\n * var context = event.context,\n *\n * context.minDimensions = { width: 140, height: 120 };\n *\n * // Passing general padding\n * context.childrenBoxPadding = 30;\n *\n * // Passing padding to a specific side\n * context.childrenBoxPadding.left = 20;\n * });\n * ```\n */\nfunction Resize(eventBus, rules, modeling, dragging) {\n\n this._dragging = dragging;\n this._rules = rules;\n\n var self = this;\n\n eventBus.on('resize.start', function(event) {\n\n var context = event.context,\n resizeConstraints = context.resizeConstraints,\n // evaluate minBounds for backwards compatibility\n minBounds = context.minBounds;\n\n if (resizeConstraints === undefined) {\n\n if (minBounds === undefined) {\n minBounds = self.computeMinResizeBox(context);\n }\n\n context.resizeConstraints = {\n min: asTRBL(minBounds)\n };\n }\n });\n\n eventBus.on('resize.move', function(event) {\n\n var context = event.context,\n shape = context.shape,\n direction = context.direction,\n resizeConstraints = context.resizeConstraints,\n delta,\n newBounds;\n\n delta = {\n x: event.dx,\n y: event.dy\n };\n\n context.delta = delta;\n\n newBounds = ResizeUtil.resizeBounds(shape, direction, delta);\n\n // ensure constraints during resize\n context.newBounds = ResizeUtil.ensureConstraints(newBounds, resizeConstraints);\n\n // update + cache executable state\n context.canExecute = self.canResize(context);\n });\n\n eventBus.on('resize.end', function(event) {\n var context = event.context,\n shape = context.shape,\n canExecute = context.canExecute,\n newBounds = context.newBounds;\n\n if (canExecute) {\n // ensure we have actual pixel values for new bounds\n // (important when zoom level was > 1 during move)\n newBounds = roundBounds(newBounds);\n\n // perform the actual resize\n modeling.resizeShape(shape, newBounds);\n }\n });\n}\n\n\nResize.prototype.canResize = function(context) {\n var rules = this._rules;\n\n var ctx = pick(context, [ 'newBounds', 'shape', 'delta', 'direction' ]);\n\n return rules.allowed('shape.resize', ctx);\n};\n\n/**\n * Activate a resize operation\n *\n * You may specify additional contextual information and must specify a\n * resize direction during activation of the resize event.\n *\n * @param {MouseEvent} event\n * @param {djs.model.Shape} shape\n * @param {Object|String} contextOrDirection\n */\nResize.prototype.activate = function(event, shape, contextOrDirection) {\n var dragging = this._dragging,\n context,\n direction;\n\n if (typeof contextOrDirection === 'string') {\n contextOrDirection = {\n direction: contextOrDirection\n };\n }\n\n context = assign({ shape: shape }, contextOrDirection);\n\n direction = context.direction;\n\n if (!direction) {\n throw new Error('must provide a direction (nw|se|ne|sw)');\n }\n\n dragging.init(event, 'resize', {\n autoActivate: true,\n cursor: 'resize-' + (/nw|se/.test(direction) ? 'nwse' : 'nesw'),\n data: {\n shape: shape,\n context: context\n }\n });\n};\n\nResize.prototype.computeMinResizeBox = function(context) {\n var shape = context.shape,\n direction = context.direction,\n minDimensions,\n childrenBounds;\n\n minDimensions = context.minDimensions || {\n width: DEFAULT_MIN_WIDTH,\n height: DEFAULT_MIN_WIDTH\n };\n\n // get children bounds\n childrenBounds = ResizeUtil.computeChildrenBBox(shape, context.childrenBoxPadding);\n\n // get correct minimum bounds from given resize direction\n // basically ensures that the minBounds is max(childrenBounds, minDimensions)\n return ResizeUtil.getMinResizeBounds(direction, shape, minDimensions, childrenBounds);\n};\n\n\nResize.$inject = [ 'eventBus', 'rules', 'modeling', 'dragging' ];\n\nmodule.exports = Resize;\n","'use strict';\n\nvar forEach = require(255);\n\nvar Snap = require(240);\n\nvar HANDLE_OFFSET = -2,\n HANDLE_SIZE = 5,\n HANDLE_HIT_SIZE = 20;\n\nvar CLS_RESIZER = 'djs-resizer';\n\nvar domEvent = require(395);\n\nvar isPrimaryButton = require(228).isPrimaryButton;\n\nvar asTRBL = require(208).asTRBL;\n\n\n/**\n * This component is responsible for adding resize handles.\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n * @param {Selection} selection\n * @param {Resize} resize\n * @param {ResizeVisuals} resizeVisuals\n */\nfunction ResizeHandles(eventBus, canvas, selection, resize) {\n\n this._resize = resize;\n this._canvas = canvas;\n\n var self = this;\n\n eventBus.on('selection.changed', function(e) {\n var newSelection = e.newSelection;\n\n // remove old selection markers\n self.removeResizers();\n\n // add new selection markers ONLY if single selection\n if (newSelection.length === 1) {\n forEach(newSelection, self.addResizer, self);\n }\n });\n\n eventBus.on('shape.changed', function(e) {\n var shape = e.element;\n\n if (selection.isSelected(shape)) {\n self.removeResizers();\n\n self.addResizer(shape);\n }\n });\n}\n\n\nResizeHandles.prototype.makeDraggable = function(element, gfx, direction) {\n var resize = this._resize;\n\n function startResize(event) {\n // only trigger on left mouse button\n if (isPrimaryButton(event)) {\n resize.activate(event, element, direction);\n }\n }\n\n domEvent.bind(gfx.node, 'mousedown', startResize);\n domEvent.bind(gfx.node, 'touchstart', startResize);\n};\n\n\nResizeHandles.prototype._createResizer = function(element, x, y, rotation, direction) {\n var resizersParent = this._getResizersParent();\n\n var group = resizersParent.group()\n .addClass(CLS_RESIZER)\n .addClass(CLS_RESIZER + '-' + element.id)\n .addClass(CLS_RESIZER + '-' + direction);\n\n var origin = -HANDLE_SIZE + HANDLE_OFFSET;\n\n // Create four drag indicators on the outline\n group.rect(origin, origin, HANDLE_SIZE, HANDLE_SIZE).addClass(CLS_RESIZER + '-visual');\n group.rect(origin, origin, HANDLE_HIT_SIZE, HANDLE_HIT_SIZE).addClass(CLS_RESIZER + '-hit');\n\n var matrix = new Snap.Matrix().translate(x, y).rotate(rotation, 0, 0);\n\n group.transform(matrix);\n\n return group;\n};\n\nResizeHandles.prototype.createResizer = function(element, direction) {\n var resizer;\n\n var trbl = asTRBL(element);\n\n if (direction === 'nw') {\n resizer = this._createResizer(element, trbl.left, trbl.top, 0, direction);\n } else if (direction === 'ne') {\n resizer = this._createResizer(element, trbl.right, trbl.top, 90, direction);\n } else if (direction === 'se') {\n resizer = this._createResizer(element, trbl.right, trbl.bottom, 180, direction);\n } else {\n resizer = this._createResizer(element, trbl.left, trbl.bottom, 270, direction);\n }\n\n this.makeDraggable(element, resizer, direction);\n};\n\n// resize handles implementation ///////////////////////////////\n\n/**\n * Add resizers for a given element.\n *\n * @param {djs.model.Shape} shape\n */\nResizeHandles.prototype.addResizer = function(shape) {\n var resize = this._resize;\n\n if (!resize.canResize({ shape: shape })) {\n return;\n }\n\n this.createResizer(shape, 'nw');\n this.createResizer(shape, 'ne');\n this.createResizer(shape, 'se');\n this.createResizer(shape, 'sw');\n};\n\n/**\n * Remove all resizers\n */\nResizeHandles.prototype.removeResizers = function() {\n\n var resizersParent = this._getResizersParent();\n\n var resizers = resizersParent.selectAll('.' + CLS_RESIZER);\n\n forEach(resizers, function(resizer) {\n resizer.remove();\n });\n};\n\nResizeHandles.prototype._getResizersParent = function() {\n return this._canvas.getLayer('resizers');\n};\n\nResizeHandles.$inject = [ 'eventBus', 'canvas', 'selection', 'resize' ];\n\nmodule.exports = ResizeHandles;\n","'use strict';\n\nvar filter = require(253);\n\nvar max = Math.max,\n min = Math.min;\n\nvar DEFAULT_CHILD_BOX_PADDING = 20;\n\nvar getBBox = require(221).getBBox;\n\n\nvar asTRBL = require(208).asTRBL,\n asBounds = require(208).asBounds;\n\nfunction isNumber(a) {\n return typeof a === 'number';\n}\n\n/**\n * Substract a TRBL from another\n *\n * @param {TRBL} trblA\n * @param {TRBL} trblB\n *\n * @return {TRBL}\n */\nmodule.exports.substractTRBL = function(trblA, trblB) {\n return {\n top: trblA.top - trblB.top,\n right: trblA.right - trblB.right,\n bottom: trblA.bottom - trblB.bottom,\n left: trblA.left - trblB.left\n };\n};\n\n/**\n * Resize the given bounds by the specified delta from a given anchor point.\n *\n * @param {Bounds} bounds the bounding box that should be resized\n * @param {String} direction in which the element is resized (nw, ne, se, sw)\n * @param {Point} delta of the resize operation\n *\n * @return {Bounds} resized bounding box\n */\nmodule.exports.resizeBounds = function(bounds, direction, delta) {\n\n var dx = delta.x,\n dy = delta.y;\n\n switch (direction) {\n\n case 'nw':\n return {\n x: bounds.x + dx,\n y: bounds.y + dy,\n width: bounds.width - dx,\n height: bounds.height - dy\n };\n\n case 'sw':\n return {\n x: bounds.x + dx,\n y: bounds.y,\n width: bounds.width - dx,\n height: bounds.height + dy\n };\n\n case 'ne':\n return {\n x: bounds.x,\n y: bounds.y + dy,\n width: bounds.width + dx,\n height: bounds.height - dy\n };\n\n case 'se':\n return {\n x: bounds.x,\n y: bounds.y,\n width: bounds.width + dx,\n height: bounds.height + dy\n };\n\n default:\n throw new Error('unrecognized direction: ' + direction);\n }\n};\n\n\n/**\n * Resize the given bounds by applying the passed\n * { top, right, bottom, left } delta.\n *\n * @param {Bounds} bounds\n * @param {TRBL} trblResize\n *\n * @return {Bounds}\n */\nmodule.exports.resizeTRBL = function(bounds, resize) {\n return {\n x: bounds.x + (resize.left || 0),\n y: bounds.y + (resize.top || 0),\n width: bounds.width - (resize.left || 0) + (resize.right || 0),\n height: bounds.height - (resize.top || 0) + (resize.bottom || 0)\n };\n};\n\n\nmodule.exports.reattachPoint = function(bounds, newBounds, point) {\n\n var sx = bounds.width / newBounds.width,\n sy = bounds.height / newBounds.height;\n\n return {\n x: Math.round((newBounds.x + newBounds.width / 2)) - Math.floor(((bounds.x + bounds.width / 2) - point.x) / sx),\n y: Math.round((newBounds.y + newBounds.height / 2)) - Math.floor(((bounds.y + bounds.height / 2) - point.y) / sy)\n };\n};\n\n\nfunction applyConstraints(attr, trbl, resizeConstraints) {\n\n var value = trbl[attr],\n minValue = resizeConstraints.min && resizeConstraints.min[attr],\n maxValue = resizeConstraints.max && resizeConstraints.max[attr];\n\n if (isNumber(minValue)) {\n value = (/top|left/.test(attr) ? min : max)(value, minValue);\n }\n\n if (isNumber(maxValue)) {\n value = (/top|left/.test(attr) ? max : min)(value, maxValue);\n }\n\n return value;\n}\n\nmodule.exports.ensureConstraints = function(currentBounds, resizeConstraints) {\n\n if (!resizeConstraints) {\n return currentBounds;\n }\n\n var currentTrbl = asTRBL(currentBounds);\n\n return asBounds({\n top: applyConstraints('top', currentTrbl, resizeConstraints),\n right: applyConstraints('right', currentTrbl, resizeConstraints),\n bottom: applyConstraints('bottom', currentTrbl, resizeConstraints),\n left: applyConstraints('left', currentTrbl, resizeConstraints)\n });\n};\n\n\nmodule.exports.getMinResizeBounds = function(direction, currentBounds, minDimensions, childrenBounds) {\n\n var currentBox = asTRBL(currentBounds);\n\n var minBox = {\n top: /n/.test(direction) ? currentBox.bottom - minDimensions.height : currentBox.top,\n left: /w/.test(direction) ? currentBox.right - minDimensions.width : currentBox.left,\n bottom: /s/.test(direction) ? currentBox.top + minDimensions.height : currentBox.bottom,\n right: /e/.test(direction) ? currentBox.left + minDimensions.width : currentBox.right\n };\n\n var childrenBox = childrenBounds ? asTRBL(childrenBounds) : minBox;\n\n var combinedBox = {\n top: min(minBox.top, childrenBox.top),\n left: min(minBox.left, childrenBox.left),\n bottom: max(minBox.bottom, childrenBox.bottom),\n right: max(minBox.right, childrenBox.right),\n };\n\n return asBounds(combinedBox);\n};\n\nfunction asPadding(mayBePadding, defaultValue) {\n if (typeof mayBePadding !== 'undefined') {\n return mayBePadding;\n } else {\n return DEFAULT_CHILD_BOX_PADDING;\n }\n}\n\nfunction addPadding(bbox, padding) {\n var left, right, top, bottom;\n\n if (typeof padding === 'object') {\n left = asPadding(padding.left);\n right = asPadding(padding.right);\n top = asPadding(padding.top);\n bottom = asPadding(padding.bottom);\n } else {\n left = right = top = bottom = asPadding(padding);\n }\n\n return {\n x: bbox.x - left,\n y: bbox.y - top,\n width: bbox.width + left + right,\n height: bbox.height + top + bottom\n };\n}\n\nmodule.exports.addPadding = addPadding;\n\n\n/**\n * Is the given element part of the resize\n * targets min boundary box?\n *\n * This is the default implementation which excludes\n * connections and labels.\n *\n * @param {djs.model.Base} element\n */\nfunction isBBoxChild(element) {\n\n // exclude connections\n if (element.waypoints) {\n return false;\n }\n\n // exclude labels\n if (element.type === 'label') {\n return false;\n }\n\n return true;\n}\n\n/**\n * Return children bounding computed from a shapes children\n * or a list of prefiltered children.\n *\n * @param {djs.model.Shape|Array<djs.model.Shape>} shapeOrChildren\n * @param {Number|Object} padding\n *\n * @return {Bounds}\n */\nfunction computeChildrenBBox(shapeOrChildren, padding) {\n\n var elements;\n\n // compute based on shape\n if (shapeOrChildren.length === undefined) {\n // grab all the children that are part of the\n // parents children box\n elements = filter(shapeOrChildren.children, isBBoxChild);\n\n } else {\n elements = shapeOrChildren;\n }\n\n if (elements.length) {\n return addPadding(getBBox(elements), padding);\n }\n}\n\nmodule.exports.computeChildrenBBox = computeChildrenBBox;\n","'use strict';\n\nvar Snap = require(240);\n\nvar MARKER_RESIZING = 'djs-resizing',\n MARKER_RESIZE_NOT_OK = 'resize-not-ok';\n\nvar LOW_PRIORITY = 500;\n\n\n/**\n * This component is responsible for creating a visual during resize.\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n */\nfunction ResizeVisuals(eventBus, canvas){\n\n this._canvas = canvas;\n\n var self = this;\n\n eventBus.on('resize.start', LOW_PRIORITY, function(event) {\n var context = event.context,\n shape = context.shape;\n\n // add resizable indicator\n canvas.addMarker(shape, MARKER_RESIZING);\n\n self.create(context);\n });\n\n\n eventBus.on('resize.move', LOW_PRIORITY, function(event) {\n var context = event.context;\n\n // update resize frame visuals\n self.update(context);\n });\n\n\n eventBus.on('resize.cleanup', function(event) {\n var context = event.context,\n shape = context.shape;\n\n // remove resizable indicator\n canvas.removeMarker(shape, MARKER_RESIZING);\n\n // remove frame + destroy context\n self.remove(context);\n });\n}\n\n/**\n * A helper that realizes the resize visuals\n */\nResizeVisuals.prototype.create = function(context) {\n var container = this._canvas.getDefaultLayer(),\n shape = context.shape,\n frame;\n\n frame = context.frame = Snap.create('rect', {\n class: 'djs-resize-overlay',\n width: shape.width + 10,\n height: shape.height + 10,\n x: shape.x -5,\n y: shape.y -5\n });\n\n frame.appendTo(container);\n};\n\nResizeVisuals.prototype.update = function(context) {\n var frame = context.frame,\n bounds = context.newBounds;\n\n if (bounds.width > 5) {\n frame.attr({\n x: bounds.x,\n width: bounds.width\n });\n }\n\n if (bounds.height > 5) {\n frame.attr({\n y: bounds.y,\n height: bounds.height\n });\n }\n\n frame[context.canExecute ? 'removeClass' : 'addClass'](MARKER_RESIZE_NOT_OK);\n};\n\nResizeVisuals.prototype.remove = function(context) {\n if (context.frame) {\n context.frame.remove();\n }\n};\n\nResizeVisuals.$inject = [ 'eventBus', 'canvas' ];\n\nmodule.exports = ResizeVisuals;\n","module.exports = {\n __depends__: [\n require(163),\n require(185),\n require(129)\n ],\n __init__: [ 'resize', 'resizeVisuals', 'resizeHandles' ],\n resize: [ 'type', require(178) ],\n resizeVisuals: [ 'type', require(181) ],\n resizeHandles: [ 'type', require(179) ]\n};\n","\n'use strict';\n\nvar inherits = require(243);\n\nvar CommandInterceptor = require(98);\n\n/**\n * A basic provider that may be extended to implement modeling rules.\n *\n * Extensions should implement the init method to actually add their custom\n * modeling checks. Checks may be added via the #addRule(action, fn) method.\n *\n * @param {EventBus} eventBus\n */\nfunction RuleProvider(eventBus) {\n CommandInterceptor.call(this, eventBus);\n\n this.init();\n}\n\nRuleProvider.$inject = [ 'eventBus' ];\n\ninherits(RuleProvider, CommandInterceptor);\n\nmodule.exports = RuleProvider;\n\n\n/**\n * Adds a modeling rule for the given action, implemented through\n * a callback function.\n *\n * The function will receive the modeling specific action context\n * to perform its check. It must return `false` to disallow the\n * action from happening or `true` to allow the action.\n *\n * A rule provider may pass over the evaluation to lower priority\n * rules by returning return nothing (or <code>undefined</code>).\n *\n * @example\n *\n * ResizableRules.prototype.init = function() {\n *\n * //**\n * * Return `true`, `false` or nothing to denote\n * * _allowed_, _not allowed_ and _continue evaluating_.\n * *//\n * this.addRule('shape.resize', function(context) {\n *\n * var shape = context.shape;\n *\n * if (!context.newBounds) {\n * // check general resizability\n * if (!shape.resizable) {\n * return false;\n * }\n *\n * // not returning anything (read: undefined)\n * // will continue the evaluation of other rules\n * // (with lower priority)\n * return;\n * } else {\n * // element must have minimum size of 10*10 points\n * return context.newBounds.width > 10 && context.newBounds.height > 10;\n * }\n * });\n * };\n *\n * @param {String|Array<String>} actions the identifier for the modeling action to check\n * @param {Number} [priority] the priority at which this rule is being applied\n * @param {Function} fn the callback function that performs the actual check\n */\nRuleProvider.prototype.addRule = function(actions, priority, fn) {\n\n var self = this;\n\n if (typeof actions === 'string') {\n actions = [ actions ];\n }\n\n actions.forEach(function(action) {\n\n self.canExecute(action, priority, function(context, action, event) {\n return fn(context);\n }, true);\n });\n};\n\n/**\n * Implement this method to add new rules during provider initialization.\n */\nRuleProvider.prototype.init = function() {};","'use strict';\n\n/**\n * A service that provides rules for certain diagram actions.\n *\n * @param {CommandStack} commandStack\n */\nfunction Rules(commandStack) {\n this._commandStack = commandStack;\n}\n\nRules.$inject = [ 'commandStack' ];\n\nmodule.exports = Rules;\n\n\n/**\n * This method can be queried to ask whether certain modeling actions\n * are allowed or not.\n *\n * @param {String} action the action to be checked\n * @param {Object} [context] the context to check the action in\n *\n * @return {Boolean} returns true, false or null depending on whether the\n * operation is allowed, not allowed or should be ignored.\n */\nRules.prototype.allowed = function(action, context) {\n var allowed = this._commandStack.canExecute(action, context);\n\n // map undefined to true, i.e. no rules\n return allowed === undefined ? true : allowed;\n};","module.exports = {\n __depends__: [ require(100) ],\n __init__: [ 'rules' ],\n rules: [ 'type', require(184) ]\n};\n","'use strict';\n\nvar isArray = require(368),\n forEach = require(255);\n\n\n/**\n * A service that offers the current selection in a diagram.\n * Offers the api to control the selection, too.\n *\n * @class\n *\n * @param {EventBus} eventBus the event bus\n */\nfunction Selection(eventBus) {\n\n this._eventBus = eventBus;\n\n this._selectedElements = [];\n\n var self = this;\n\n eventBus.on([ 'shape.remove', 'connection.remove' ], function(e) {\n var element = e.element;\n self.deselect(element);\n });\n\n eventBus.on([ 'diagram.clear' ], function(e) {\n self.select(null);\n });\n}\n\nSelection.$inject = [ 'eventBus' ];\n\nmodule.exports = Selection;\n\n\nSelection.prototype.deselect = function(element) {\n var selectedElements = this._selectedElements;\n\n var idx = selectedElements.indexOf(element);\n\n if (idx !== -1) {\n var oldSelection = selectedElements.slice();\n\n selectedElements.splice(idx, 1);\n\n this._eventBus.fire('selection.changed', { oldSelection: oldSelection, newSelection: selectedElements });\n }\n};\n\n\nSelection.prototype.get = function() {\n return this._selectedElements;\n};\n\nSelection.prototype.isSelected = function(element) {\n return this._selectedElements.indexOf(element) !== -1;\n};\n\n\n/**\n * This method selects one or more elements on the diagram.\n *\n * By passing an additional add parameter you can decide whether or not the element(s)\n * should be added to the already existing selection or not.\n *\n * @method Selection#select\n *\n * @param {Object|Object[]} elements element or array of elements to be selected\n * @param {boolean} [add] whether the element(s) should be appended to the current selection, defaults to false\n */\nSelection.prototype.select = function(elements, add) {\n var selectedElements = this._selectedElements,\n oldSelection = selectedElements.slice();\n\n if (!isArray(elements)) {\n elements = elements ? [ elements ] : [];\n }\n\n // selection may be cleared by passing an empty array or null\n // to the method\n if (add) {\n forEach(elements, function(element) {\n if (selectedElements.indexOf(element) !== -1) {\n // already selected\n return;\n } else {\n selectedElements.push(element);\n }\n });\n } else {\n this._selectedElements = selectedElements = elements.slice();\n }\n\n this._eventBus.fire('selection.changed', { oldSelection: oldSelection, newSelection: selectedElements });\n};\n","'use strict';\n\nvar hasPrimaryModifier = require(228).hasPrimaryModifier;\n\n\nfunction SelectionBehavior(eventBus, selection, canvas, elementRegistry) {\n\n eventBus.on('create.end', 500, function(e) {\n\n // select the created shape after a\n // successful create operation\n if (e.context.canExecute) {\n selection.select(e.context.shape);\n }\n });\n\n eventBus.on('connect.end', 500, function(e) {\n\n // select the connect end target\n // after a connect operation\n if (e.context.canExecute && e.context.target) {\n selection.select(e.context.target);\n }\n });\n\n eventBus.on('shape.move.end', 500, function(e) {\n var previousSelection = e.previousSelection || [];\n\n var shape = elementRegistry.get(e.context.shape.id);\n\n // make sure at least the main moved element is being\n // selected after a move operation\n if (shape && previousSelection.indexOf(shape) === -1) {\n selection.select(shape);\n }\n });\n\n\n // Shift + click selection\n eventBus.on('element.click', function(event) {\n\n var element = event.element;\n\n // do not select the root element\n // or connections\n if (element === canvas.getRootElement()) {\n element = null;\n }\n\n var isSelected = selection.isSelected(element),\n isMultiSelect = selection.get().length > 1;\n\n // mouse-event: SELECTION_KEY\n var add = hasPrimaryModifier(event);\n\n // select OR deselect element in multi selection\n if (isSelected && isMultiSelect) {\n if (add) {\n return selection.deselect(element);\n } else {\n return selection.select(element);\n }\n } else\n if (!isSelected) {\n selection.select(element, add);\n } else {\n selection.deselect(element);\n }\n });\n}\n\nSelectionBehavior.$inject = [ 'eventBus', 'selection', 'canvas', 'elementRegistry' ];\nmodule.exports = SelectionBehavior;\n","'use strict';\n\nvar forEach = require(255);\n\nvar MARKER_HOVER = 'hover',\n MARKER_SELECTED = 'selected';\n\n\n/**\n * A plugin that adds a visible selection UI to shapes and connections\n * by appending the <code>hover</code> and <code>selected</code> classes to them.\n *\n * @class\n *\n * Makes elements selectable, too.\n *\n * @param {EventBus} events\n * @param {SelectionService} selection\n * @param {Canvas} canvas\n */\nfunction SelectionVisuals(events, canvas, selection, graphicsFactory, styles) {\n\n this._multiSelectionBox = null;\n\n function addMarker(e, cls) {\n canvas.addMarker(e, cls);\n }\n\n function removeMarker(e, cls) {\n canvas.removeMarker(e, cls);\n }\n\n events.on('element.hover', function(event) {\n addMarker(event.element, MARKER_HOVER);\n });\n\n events.on('element.out', function(event) {\n removeMarker(event.element, MARKER_HOVER);\n });\n\n events.on('selection.changed', function(event) {\n\n function deselect(s) {\n removeMarker(s, MARKER_SELECTED);\n }\n\n function select(s) {\n addMarker(s, MARKER_SELECTED);\n }\n\n var oldSelection = event.oldSelection,\n newSelection = event.newSelection;\n\n forEach(oldSelection, function(e) {\n if (newSelection.indexOf(e) === -1) {\n deselect(e);\n }\n });\n\n forEach(newSelection, function(e) {\n if (oldSelection.indexOf(e) === -1) {\n select(e);\n }\n });\n });\n}\n\nSelectionVisuals.$inject = [\n 'eventBus',\n 'canvas',\n 'selection',\n 'graphicsFactory',\n 'styles'\n];\n\nmodule.exports = SelectionVisuals;\n","module.exports = {\n __init__: [ 'selectionVisuals', 'selectionBehavior' ],\n __depends__: [\n require(135),\n require(169)\n ],\n selection: [ 'type', require(186) ],\n selectionVisuals: [ 'type', require(188) ],\n selectionBehavior: [ 'type', require(187) ]\n};\n","'use strict';\n\nvar forEach = require(255);\n\nvar snapTo = require(191).snapTo;\n\n\n/**\n * A snap context, containing the (possibly incomplete)\n * mappings of drop targets (to identify the snapping)\n * to computed snap points.\n */\nfunction SnapContext() {\n\n /**\n * Map<String, SnapPoints> mapping drop targets to\n * a list of possible snappings.\n *\n * @type {Object}\n */\n this._targets = {};\n\n /**\n * Map<String, Point> initial positioning of element\n * regarding various snap directions.\n *\n * @type {Object}\n */\n this._snapOrigins = {};\n\n /**\n * List of snap locations\n *\n * @type {Array<String>}\n */\n this._snapLocations = [];\n\n /**\n * Map<String, Array<Point>> of default snapping locations\n *\n * @type {Object}\n */\n this._defaultSnaps = {};\n}\n\n\nSnapContext.prototype.getSnapOrigin = function(snapLocation) {\n return this._snapOrigins[snapLocation];\n};\n\n\nSnapContext.prototype.setSnapOrigin = function(snapLocation, initialValue) {\n this._snapOrigins[snapLocation] = initialValue;\n\n if (this._snapLocations.indexOf(snapLocation) === -1) {\n this._snapLocations.push(snapLocation);\n }\n};\n\n\nSnapContext.prototype.addDefaultSnap = function(type, point) {\n\n var snapValues = this._defaultSnaps[type];\n\n if (!snapValues) {\n snapValues = this._defaultSnaps[type] = [];\n }\n\n snapValues.push(point);\n};\n\n/**\n * Return a number of initialized snaps, i.e. snap locations such as\n * top-left, mid, bottom-right and so forth.\n *\n * @return {Array<String>} snapLocations\n */\nSnapContext.prototype.getSnapLocations = function() {\n return this._snapLocations;\n};\n\n/**\n * Set the snap locations for this context.\n *\n * The order of locations determines precedence.\n *\n * @param {Array<String>} snapLocations\n */\nSnapContext.prototype.setSnapLocations = function(snapLocations) {\n this._snapLocations = snapLocations;\n};\n\n/**\n * Get snap points for a given target\n *\n * @param {Element|String} target\n */\nSnapContext.prototype.pointsForTarget = function(target) {\n\n var targetId = target.id || target;\n\n var snapPoints = this._targets[targetId];\n\n if (!snapPoints) {\n snapPoints = this._targets[targetId] = new SnapPoints();\n snapPoints.initDefaults(this._defaultSnaps);\n }\n\n return snapPoints;\n};\n\nmodule.exports = SnapContext;\n\n\n/**\n * Creates the snap points and initializes them with the\n * given default values.\n *\n * @param {Object<String, Array<Point>>} [defaultPoints]\n */\nfunction SnapPoints(defaultSnaps) {\n\n /**\n * Map<String, Map<(x|y), Array<Number>>> mapping snap locations,\n * i.e. top-left, bottom-right, center to actual snap values.\n *\n * @type {Object}\n */\n this._snapValues = {};\n}\n\nSnapPoints.prototype.add = function(snapLocation, point) {\n\n var snapValues = this._snapValues[snapLocation];\n\n if (!snapValues) {\n snapValues = this._snapValues[snapLocation] = { x: [], y: [] };\n }\n\n if (snapValues.x.indexOf(point.x) === -1) {\n snapValues.x.push(point.x);\n }\n\n if (snapValues.y.indexOf(point.y) === -1) {\n snapValues.y.push(point.y);\n }\n};\n\n\nSnapPoints.prototype.snap = function(point, snapLocation, axis, tolerance) {\n var snappingValues = this._snapValues[snapLocation];\n \n return snappingValues && snapTo(point[axis], snappingValues[axis], tolerance);\n};\n\n/**\n * Initialize a number of default snapping points.\n *\n * @param {Object} defaultSnaps\n */\nSnapPoints.prototype.initDefaults = function(defaultSnaps) {\n\n var self = this;\n\n forEach(defaultSnaps || {}, function(snapPoints, snapLocation) {\n forEach(snapPoints, function(point) {\n self.add(snapLocation, point);\n });\n });\n};","'use strict';\n\nvar abs = Math.abs,\n round = Math.round;\n\n\n/**\n * Snap value to a collection of reference values.\n *\n * @param {Number} value\n * @param {Array<Number>} values\n * @param {Number} [tolerance=10]\n *\n * @return {Number} the value we snapped to or null, if none snapped\n */\nfunction snapTo(value, values, tolerance) {\n tolerance = tolerance === undefined ? 10 : tolerance;\n\n var idx, snapValue;\n\n for (idx = 0; idx < values.length; idx++) {\n snapValue = values[idx];\n\n if (abs(snapValue - value) <= tolerance) {\n return snapValue;\n }\n }\n}\n\nmodule.exports.snapTo = snapTo;\n\n\nfunction topLeft(bounds) {\n return {\n x: bounds.x,\n y: bounds.y\n };\n}\n\nmodule.exports.topLeft = topLeft;\n\n\nfunction mid(bounds, defaultValue) {\n\n if (!bounds || isNaN(bounds.x) || isNaN(bounds.y)) {\n return defaultValue;\n }\n\n return {\n x: round(bounds.x + bounds.width / 2),\n y: round(bounds.y + bounds.height / 2)\n };\n}\n\nmodule.exports.mid = mid;\n\n\nfunction bottomRight(bounds) {\n return {\n x: bounds.x + bounds.width,\n y: bounds.y + bounds.height\n };\n}\n\nmodule.exports.bottomRight = bottomRight;\n\n\n/**\n * Retrieve the snap state of the given event.\n *\n * @param {Event} event\n * @param {String} axis\n *\n * @return {Boolean} the snapped state\n *\n */\nmodule.exports.isSnapped = function(event, axis) {\n var snapped = event.snapped;\n\n if (!snapped) {\n return false;\n }\n\n if (typeof axis === 'string') {\n return snapped[axis];\n }\n\n return snapped.x && snapped.y;\n};\n\n/**\n * Set the given event as snapped.\n *\n * @param {Event} event\n * @param {String} axis\n * @param {Number|Boolean} value\n *\n * @return {Number} old value\n */\nmodule.exports.setSnapped = function(event, axis, value) {\n\n if (typeof axis !== 'string') {\n throw new Error('axis must be in [x, y]');\n }\n\n if (typeof value !== 'number' && value !== false) {\n throw new Error('value must be Number or false');\n }\n\n var delta,\n previousValue = event[axis];\n\n var snapped = event.snapped = (event.snapped || {});\n\n\n if (value === false) {\n snapped[axis] = false;\n } else {\n snapped[axis] = true;\n\n delta = value - previousValue;\n\n event[axis] += delta;\n event['d' + axis] += delta;\n }\n\n return previousValue;\n};","'use strict';\n\nvar filter = require(253),\n forEach = require(255),\n debounce = require(265);\n\n\nvar mid = require(191).mid;\n\nvar SnapContext = require(190);\n\nvar SnapUtil = require(191);\n\n\nvar isSnapped = SnapUtil.isSnapped,\n setSnapped = SnapUtil.setSnapped;\n\n\n/**\n * A general purpose snapping component for diagram elements.\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n */\nfunction Snapping(eventBus, canvas) {\n\n this._canvas = canvas;\n\n var self = this;\n\n eventBus.on([ 'shape.move.start', 'create.start' ], function(event) {\n self.initSnap(event);\n });\n\n eventBus.on([ 'shape.move.move', 'shape.move.end', 'create.move', 'create.end' ], function(event) {\n\n if (event.originalEvent && event.originalEvent.ctrlKey) {\n return;\n }\n\n if (isSnapped(event)) {\n return;\n }\n\n self.snap(event);\n });\n\n eventBus.on([ 'shape.move.cleanup', 'create.cleanup' ], function(event) {\n self.hide();\n });\n\n // delay hide by 1000 seconds since last match\n this._asyncHide = debounce(this.hide, 1000);\n}\n\nSnapping.$inject = [ 'eventBus', 'canvas' ];\n\nmodule.exports = Snapping;\n\n\nSnapping.prototype.initSnap = function(event) {\n\n var context = event.context,\n shape = context.shape,\n snapContext = context.snapContext;\n\n if (!snapContext) {\n snapContext = context.snapContext = new SnapContext();\n }\n\n var snapMid = mid(shape, event);\n\n snapContext.setSnapOrigin('mid', {\n x: snapMid.x - event.x,\n y: snapMid.y - event.y\n });\n\n return snapContext;\n};\n\n\nSnapping.prototype.snap = function(event) {\n\n var context = event.context,\n snapContext = context.snapContext,\n shape = context.shape,\n target = context.target,\n snapLocations = snapContext.getSnapLocations();\n\n if (!target) {\n return;\n }\n\n var snapPoints = snapContext.pointsForTarget(target);\n\n if (!snapPoints.initialized) {\n this.addTargetSnaps(snapPoints, shape, target);\n\n snapPoints.initialized = true;\n }\n\n\n var snapping = {\n x: isSnapped(event, 'x'),\n y: isSnapped(event, 'y')\n };\n\n\n forEach(snapLocations, function(location) {\n\n var snapOrigin = snapContext.getSnapOrigin(location);\n\n var snapCurrent = {\n x: event.x + snapOrigin.x,\n y: event.y + snapOrigin.y\n };\n\n // snap on both axis, if not snapped already\n forEach([ 'x', 'y' ], function(axis) {\n var locationSnapping;\n\n if (!snapping[axis]) {\n locationSnapping = snapPoints.snap(snapCurrent, location, axis, 7);\n\n if (locationSnapping !== undefined) {\n snapping[axis] = {\n value: locationSnapping,\n originValue: locationSnapping - snapOrigin[axis]\n };\n }\n }\n });\n\n // no more need to snap, drop out of interation\n if (snapping.x && snapping.y) {\n return false;\n }\n });\n\n\n // show snap visuals\n\n this.showSnapLine('vertical', snapping.x && snapping.x.value);\n this.showSnapLine('horizontal', snapping.y && snapping.y.value);\n\n\n // adjust event { x, y, dx, dy } and mark as snapping\n forEach([ 'x', 'y' ], function(axis) {\n\n var axisSnapping = snapping[axis];\n\n if (typeof axisSnapping === 'object') {\n setSnapped(event, axis, axisSnapping.originValue);\n }\n });\n};\n\n\nSnapping.prototype._createLine = function(orientation) {\n\n var root = this._canvas.getLayer('snap');\n\n var line = root.path('M0,0 L0,0').addClass('djs-snap-line');\n\n return {\n update: function(position) {\n\n if (typeof position !== 'number') {\n line.attr({ display: 'none' });\n } else {\n if (orientation === 'horizontal') {\n line.attr({\n path: 'M-100000,' + position + ' L+100000,' + position,\n display: ''\n });\n } else {\n line.attr({\n path: 'M ' + position + ',-100000 L ' + position + ', +100000',\n display: ''\n });\n }\n }\n }\n };\n};\n\n\nSnapping.prototype._createSnapLines = function() {\n\n this._snapLines = {\n horizontal: this._createLine('horizontal'),\n vertical: this._createLine('vertical')\n };\n};\n\nSnapping.prototype.showSnapLine = function(orientation, position) {\n\n var line = this.getSnapLine(orientation);\n\n if (line) {\n line.update(position);\n }\n\n this._asyncHide();\n};\n\nSnapping.prototype.getSnapLine = function(orientation) {\n if (!this._snapLines) {\n this._createSnapLines();\n }\n\n return this._snapLines[orientation];\n};\n\nSnapping.prototype.hide = function() {\n forEach(this._snapLines, function(l) {\n l.update();\n });\n};\n\nSnapping.prototype.addTargetSnaps = function(snapPoints, shape, target) {\n\n var siblings = this.getSiblings(shape, target);\n\n forEach(siblings, function(s) {\n snapPoints.add('mid', mid(s));\n });\n\n};\n\nSnapping.prototype.getSiblings = function(element, target) {\n\n // snap to all non connection siblings\n return target && filter(target.children, function(e) {\n return !e.hidden && !e.labelTarget && !e.waypoints && e.host !== element && e !== element;\n });\n};","'use strict';\n\nvar SpaceUtil = require(195);\n\nvar Cursor = require(220);\n\nvar hasPrimaryModifier = require(228).hasPrimaryModifier;\n\nvar abs = Math.abs,\n round = Math.round;\n\nvar HIGH_PRIORITY = 1500,\n SPACE_TOOL_CURSOR = 'crosshair';\n\nvar AXIS_TO_DIMENSION = { x: 'width', y: 'height' },\n AXIS_INVERTED = { x: 'y', y: 'x' };\n\nvar getAllChildren = require(221).selfAndAllChildren;\n\nvar assign = require(377);\n\n\n/**\n * A tool that allows users to create and remove space in a diagram.\n *\n * The tool needs to be activated manually via {@link SpaceTool#activate(MouseEvent)}.\n */\nfunction SpaceTool(eventBus, dragging, canvas, modeling, rules, toolManager) {\n\n this._canvas = canvas;\n this._dragging = dragging;\n this._modeling = modeling;\n this._rules = rules;\n this._toolManager = toolManager;\n\n var self = this;\n\n toolManager.registerTool('space', {\n tool: 'spaceTool.selection',\n dragging: 'spaceTool'\n });\n\n eventBus.on('spaceTool.selection.end', function(event) {\n var target = event.originalEvent.target;\n\n // only reactive on diagram click\n // on some occasions, event.hover is not set and we have to check if the target is an svg\n if (!event.hover && !(target instanceof SVGElement)) {\n return;\n }\n\n eventBus.once('spaceTool.selection.ended', function() {\n self.activateMakeSpace(event.originalEvent);\n });\n });\n\n\n eventBus.on('spaceTool.move', HIGH_PRIORITY , function(event) {\n\n var context = event.context;\n\n if (!context.initialized) {\n context.initialized = self.initializeMakeSpace(event, context);\n }\n });\n\n\n eventBus.on('spaceTool.end', function(event) {\n\n var context = event.context,\n axis = context.axis,\n direction = context.direction,\n movingShapes = context.movingShapes,\n resizingShapes = context.resizingShapes;\n\n // skip if create space has not been initialized yet\n if (!context.initialized) {\n return;\n }\n\n var delta = { x: round(event.dx), y: round(event.dy) };\n delta[ AXIS_INVERTED[ axis ] ] = 0;\n\n self.makeSpace(movingShapes, resizingShapes, delta, direction);\n });\n}\n\nSpaceTool.$inject = [ 'eventBus', 'dragging', 'canvas', 'modeling', 'rules', 'toolManager' ];\n\nmodule.exports = SpaceTool;\n\n\n/**\n * Activate space tool selection\n *\n * @param {MouseEvent} event\n * @param {Boolean} autoActivate\n */\nSpaceTool.prototype.activateSelection = function(event, autoActivate) {\n this._dragging.init(event, 'spaceTool.selection', {\n trapClick: false,\n cursor: SPACE_TOOL_CURSOR,\n autoActivate: autoActivate,\n data: {\n context: {}\n }\n });\n};\n\n/**\n * Activate make space\n *\n * @param {MouseEvent} event\n */\nSpaceTool.prototype.activateMakeSpace = function(event) {\n this._dragging.init(event, 'spaceTool', {\n autoActivate: true,\n cursor: SPACE_TOOL_CURSOR,\n data: {\n context: {}\n }\n });\n};\n\n/**\n * Actually make space on the diagram\n *\n * @param {Array<djs.model.Shape>} movingShapes\n * @param {Array<djs.model.Shape>} resizingShapes\n * @param {Point} delta\n * @param {String} direction\n */\nSpaceTool.prototype.makeSpace = function(movingShapes, resizingShapes, delta, direction) {\n return this._modeling.createSpace(movingShapes, resizingShapes, delta, direction);\n};\n\n/**\n * Initialize make space and return true if that was successful.\n *\n * @param {Event} event\n * @param {Object} context\n *\n * @return {Boolean} true, if successful\n */\nSpaceTool.prototype.initializeMakeSpace = function(event, context) {\n\n var axis = abs(event.dx) > abs(event.dy) ? 'x' : 'y',\n offset = event['d' + axis],\n // start point of create space operation\n spacePos = event[axis] - offset;\n\n if (abs(offset) < 5) {\n return false;\n }\n\n // inverts the offset to choose the shapes\n // on the opposite side of the resizer if\n // a key modifier is pressed\n if (hasPrimaryModifier(event)) {\n offset *= -1;\n }\n\n var rootShape = this._canvas.getRootElement();\n\n var allShapes = getAllChildren(rootShape, true);\n\n var adjustments = this.calculateAdjustments(allShapes, axis, offset, spacePos);\n\n // store data in context\n assign(context, adjustments, {\n axis: axis,\n direction: SpaceUtil.getDirection(axis, offset)\n });\n\n Cursor.set('resize-' + (axis === 'x' ? 'ew' : 'ns'));\n\n return true;\n};\n\n/**\n * Calculate adjustments needed when making space\n *\n * @param {Array<djs.model.Shape>} elements\n * @param {String} axis\n * @param {Number} offset\n * @param {Number} spacePos\n *\n * @return {Object}\n */\nSpaceTool.prototype.calculateAdjustments = function(elements, axis, offset, spacePos) {\n\n var movingShapes = [],\n resizingShapes = [];\n\n var rules = this._rules;\n\n // collect all elements that need to be moved _AND_\n // resized given on the initial create space position\n elements.forEach(function(shape) {\n\n var shapeStart = shape[axis],\n shapeEnd = shapeStart + shape[AXIS_TO_DIMENSION[axis]];\n\n // checking if it's root\n if (!shape.parent) {\n return;\n }\n\n // checking if it's a shape\n if (shape.waypoints) {\n return;\n }\n\n // shape after spacePos\n if (offset > 0 && shapeStart > spacePos) {\n return movingShapes.push(shape);\n }\n\n // shape before spacePos\n if (offset < 0 && shapeEnd < spacePos) {\n return movingShapes.push(shape);\n }\n\n // shape on top of spacePos, resize only if allowed\n if (shapeStart < spacePos &&\n shapeEnd > spacePos &&\n rules.allowed('shape.resize', { shape: shape })) {\n\n return resizingShapes.push(shape);\n }\n });\n\n return {\n movingShapes: movingShapes,\n resizingShapes: resizingShapes\n };\n};\n\nSpaceTool.prototype.toggle = function() {\n if (this.isActive()) {\n this._dragging.cancel();\n } else {\n this.activateSelection();\n }\n};\n\nSpaceTool.prototype.isActive = function() {\n var context = this._dragging.context();\n\n return context && /^spaceTool/.test(context.prefix);\n};\n","'use strict';\n\nvar forEach = require(255);\n\n\nvar MARKER_DRAGGING = 'djs-dragging';\n\n\n/**\n * A plugin that makes shapes draggable / droppable.\n *\n * @param {EventBus} eventBus\n * @param {ElementRegistry} elementRegistry\n * @param {Canvas} canvas\n * @param {Styles} styles\n */\n\nfunction SpaceToolVisuals(eventBus, elementRegistry, canvas, styles) {\n\n function getGfx(e) {\n return elementRegistry.getGraphics(e);\n }\n\n function addDragger(shape, dragGroup) {\n var gfx = getGfx(shape);\n var dragger = gfx.clone();\n var bbox = gfx.getBBox();\n\n dragger.attr(styles.cls('djs-dragger', [], {\n x: bbox.x,\n y: bbox.y\n }));\n\n dragGroup.add(dragger);\n }\n\n eventBus.on('spaceTool.selection.start', function(event) {\n var space = canvas.getLayer('space'),\n context = event.context;\n\n var orientation = {\n x: 'M 0,-10000 L 0,10000',\n y: 'M -10000,0 L 10000,0'\n };\n\n var crosshairGroup = space.group().attr(styles.cls('djs-crosshair-group', [ 'no-events' ]));\n\n crosshairGroup.path(orientation.x).addClass('djs-crosshair');\n crosshairGroup.path(orientation.y).addClass('djs-crosshair');\n\n context.crosshairGroup = crosshairGroup;\n });\n\n eventBus.on('spaceTool.selection.move', function(event) {\n var crosshairGroup = event.context.crosshairGroup;\n\n crosshairGroup.translate(event.x, event.y);\n });\n\n eventBus.on('spaceTool.selection.cleanup', function(event) {\n var context = event.context,\n crosshairGroup = context.crosshairGroup;\n\n if (crosshairGroup) {\n crosshairGroup.remove();\n }\n });\n\n\n // assign a low priority to this handler\n // to let others modify the move context before\n // we draw things\n eventBus.on('spaceTool.move', function(event) {\n /*\n TODO (Ricardo): extend connections while adding space\n */\n\n var context = event.context,\n line = context.line,\n axis = context.axis,\n dragShapes = context.movingShapes;\n\n if (!context.initialized) {\n return;\n }\n\n if (!context.dragGroup) {\n var spaceLayer = canvas.getLayer('space');\n line = spaceLayer.path('M0,0 L0,0').addClass('djs-crosshair');\n\n context.line = line;\n var dragGroup = canvas.getDefaultLayer().group().attr(styles.cls('djs-drag-group', [ 'no-events' ]));\n\n\n forEach(dragShapes, function(shape) {\n addDragger(shape, dragGroup);\n canvas.addMarker(shape, MARKER_DRAGGING);\n });\n\n context.dragGroup = dragGroup;\n }\n\n var orientation = {\n x: 'M' + event.x + ', -10000 L' + event.x + ', 10000',\n y: 'M -10000, ' + event.y + ' L 10000, ' + event.y\n };\n\n line.attr({\n path: orientation[ axis ],\n display: ''\n });\n\n var opposite = { x: 'y', y: 'x' };\n var delta = { x: event.dx, y: event.dy };\n delta[ opposite[ context.axis ] ] = 0;\n\n context.dragGroup.translate(delta.x, delta.y);\n });\n\n eventBus.on('spaceTool.cleanup', function(event) {\n\n var context = event.context,\n shapes = context.movingShapes,\n line = context.line,\n dragGroup = context.dragGroup;\n\n // remove dragging marker\n forEach(shapes, function(e) {\n canvas.removeMarker(e, MARKER_DRAGGING);\n });\n\n if (dragGroup) {\n line.remove();\n dragGroup.remove();\n }\n });\n}\n\nSpaceToolVisuals.$inject = [ 'eventBus', 'elementRegistry', 'canvas', 'styles' ];\n\nmodule.exports = SpaceToolVisuals;\n","'use strict';\n\n/**\n * Get Resize direction given axis + offset\n *\n * @param {String} axis (x|y)\n * @param {Number} offset\n *\n * @return {String} (e|w|n|s)\n */\nfunction getDirection(axis, offset) {\n\n if (axis === 'x') {\n if (offset > 0) {\n return 'e';\n }\n\n if (offset < 0) {\n return 'w';\n }\n }\n\n if (axis === 'y') {\n if (offset > 0) {\n return 's';\n }\n\n if (offset < 0) {\n return 'n';\n }\n }\n\n return null;\n}\n\nmodule.exports.getDirection = getDirection;\n\n/**\n * Resize the given bounds by the specified delta from a given anchor point.\n *\n * @param {Bounds} bounds the bounding box that should be resized\n * @param {String} direction in which the element is resized (n, s, e, w)\n * @param {Point} delta of the resize operation\n *\n * @return {Bounds} resized bounding box\n */\nmodule.exports.resizeBounds = function(bounds, direction, delta) {\n\n var dx = delta.x,\n dy = delta.y;\n\n switch (direction) {\n\n case 'n':\n return {\n x: bounds.x,\n y: bounds.y + dy,\n width: bounds.width,\n height: bounds.height - dy\n };\n\n case 's':\n return {\n x: bounds.x,\n y: bounds.y,\n width: bounds.width,\n height: bounds.height + dy\n };\n\n case 'w':\n return {\n x: bounds.x + dx,\n y: bounds.y,\n width: bounds.width - dx,\n height: bounds.height\n };\n\n case 'e':\n return {\n x: bounds.x,\n y: bounds.y,\n width: bounds.width + dx,\n height: bounds.height\n };\n\n default:\n throw new Error('unrecognized direction: ' + direction);\n }\n};","'use strict';\n\nmodule.exports = {\n __init__: ['spaceToolVisuals'],\n __depends__: [\n require(129),\n require(163),\n require(185),\n require(198)\n ],\n spaceTool: ['type', require(193)],\n spaceToolVisuals: ['type', require(194) ]\n};\n","'use strict';\n\nvar forEach = require(255);\n\nvar LOW_PRIORITY = 250;\n\n/**\n * The tool manager acts as middle-man between the available tool's and the Palette,\n * it takes care of making sure that the correct active state is set.\n *\n * @param {Object} eventBus\n * @param {Object} dragging\n */\nfunction ToolManager(eventBus, dragging) {\n this._eventBus = eventBus;\n this._dragging = dragging;\n\n this._tools = [];\n this._active = null;\n}\n\nToolManager.$inject = [ 'eventBus', 'dragging' ];\n\nmodule.exports = ToolManager;\n\nToolManager.prototype.registerTool = function(name, events) {\n var tools = this._tools;\n\n if (!events) {\n throw new Error('A tool has to be registered with it/'s \"events\"');\n }\n\n tools.push(name);\n\n this.bindEvents(name, events);\n};\n\nToolManager.prototype.isActive = function(tool) {\n return tool && this._active === tool;\n};\n\nToolManager.prototype.length = function(tool) {\n return this._tools.length;\n};\n\nToolManager.prototype.setActive = function(tool) {\n var eventBus = this._eventBus;\n\n if (this._active !== tool) {\n this._active = tool;\n\n eventBus.fire('tool-manager.update', { tool: tool });\n }\n};\n\nToolManager.prototype.bindEvents = function(name, events) {\n var eventBus = this._eventBus,\n dragging = this._dragging;\n\n var eventsToRegister = [];\n\n eventBus.on(events.tool + '.init', function(event) {\n var context = event.context;\n\n // Active tools that want to reactivate themselves must do this explicitly\n if (!context.reactivate && this.isActive(name)) {\n this.setActive(null);\n\n dragging.cancel();\n return;\n }\n\n this.setActive(name);\n\n }, this);\n\n // Todo[ricardo]: add test cases\n forEach(events, function(event) {\n eventsToRegister.push(event + '.ended');\n eventsToRegister.push(event + '.canceled');\n });\n\n eventBus.on(eventsToRegister, LOW_PRIORITY, function(event) {\n var originalEvent = event.originalEvent;\n\n // We defer the de-activation of the tool to the .activate phase,\n // so we're able to check if we want to toggle off the current active tool or switch to a new one\n if (!this._active ||\n (originalEvent && originalEvent.target.parentElement.getAttribute('data-group') === 'tools')) {\n return;\n }\n\n this.setActive(null);\n }, this);\n};\n","'use strict';\n\nmodule.exports = {\n __depends__: [ require(129) ],\n __init__: [ 'toolManager' ],\n toolManager: [ 'type', require(197) ]\n};\n","'use strict';\n\nvar isString = require(374),\n assign = require(377),\n forEach = require(255);\n\nvar domify = require(394),\n domAttr = require(389),\n domClasses = require(390),\n domRemove = require(398),\n domDelegate = require(393);\n\n\n// document wide unique tooltip ids\nvar ids = new (require(225))('tt');\n\n\nfunction createRoot(parent) {\n var root = domify('<div class=\"djs-tooltip-container\" style=\"position: absolute; width: 0; height: 0;\" />');\n parent.insertBefore(root, parent.firstChild);\n\n return root;\n}\n\n\nfunction setPosition(el, x, y) {\n assign(el.style, { left: x + 'px', top: y + 'px' });\n}\n\nfunction setVisible(el, visible) {\n el.style.display = visible === false ? 'none' : '';\n}\n\n\nvar tooltipClass = 'djs-tooltip',\n tooltipSelector = '.' + tooltipClass;\n\n/**\n * A service that allows users to render tool tips on the diagram.\n *\n * The tooltip service will take care of updating the tooltip positioning\n * during navigation + zooming.\n *\n * @example\n *\n * ```javascript\n *\n * // add a pink badge on the top left of the shape\n * tooltips.add({\n * position: {\n * x: 50,\n * y: 100\n * },\n * html: '<div style=\"width: 10px; background: fuchsia; color: white;\">0</div>'\n * });\n *\n * // or with optional life span\n * tooltips.add({\n * position: {\n * top: -5,\n * left: -5\n * },\n * html: '<div style=\"width: 10px; background: fuchsia; color: white;\">0</div>',\n * ttl: 2000\n * });\n *\n * // remove a tool tip\n * var id = tooltips.add(...);\n * tooltips.remove(id);\n * ```\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n */\nfunction Tooltips(eventBus, canvas) {\n\n this._eventBus = eventBus;\n this._canvas = canvas;\n\n this._ids = ids;\n\n this._tooltipDefaults = {\n show: {\n minZoom: 0.7,\n maxZoom: 5.0\n }\n };\n\n /**\n * Mapping tooltipId -> tooltip\n */\n this._tooltips = {};\n\n // root html element for all tooltips\n this._tooltipRoot = createRoot(canvas.getContainer());\n\n\n var self = this;\n\n domDelegate.bind(this._tooltipRoot, tooltipSelector, 'mousedown', function(event) {\n event.stopPropagation();\n });\n\n domDelegate.bind(this._tooltipRoot, tooltipSelector, 'mouseover', function(event) {\n self.trigger('mouseover', event);\n });\n\n domDelegate.bind(this._tooltipRoot, tooltipSelector, 'mouseout', function(event) {\n self.trigger('mouseout', event);\n });\n\n this._init();\n}\n\n\nTooltips.$inject = [ 'eventBus', 'canvas' ];\n\nmodule.exports = Tooltips;\n\n\n/**\n * Adds a HTML tooltip to the diagram\n *\n * @param {Object} tooltip the tooltip configuration\n *\n * @param {String|DOMElement} tooltip.html html element to use as an tooltip\n * @param {Object} [tooltip.show] show configuration\n * @param {Number} [tooltip.show.minZoom] minimal zoom level to show the tooltip\n * @param {Number} [tooltip.show.maxZoom] maximum zoom level to show the tooltip\n * @param {Object} tooltip.position where to attach the tooltip\n * @param {Number} [tooltip.position.left] relative to element bbox left attachment\n * @param {Number} [tooltip.position.top] relative to element bbox top attachment\n * @param {Number} [tooltip.position.bottom] relative to element bbox bottom attachment\n * @param {Number} [tooltip.position.right] relative to element bbox right attachment\n * @param {Number} [tooltip.timeout=-1]\n *\n * @return {String} id that may be used to reference the tooltip for update or removal\n */\nTooltips.prototype.add = function(tooltip) {\n\n if (!tooltip.position) {\n throw new Error('must specifiy tooltip position');\n }\n\n if (!tooltip.html) {\n throw new Error('must specifiy tooltip html');\n }\n\n var id = this._ids.next();\n\n tooltip = assign({}, this._tooltipDefaults, tooltip, {\n id: id\n });\n\n this._addTooltip(tooltip);\n\n if (tooltip.timeout) {\n this.setTimeout(tooltip);\n }\n\n return id;\n};\n\nTooltips.prototype.trigger = function(action, event) {\n\n var node = event.delegateTarget || event.target;\n\n var tooltip = this.get(domAttr(node, 'data-tooltip-id'));\n\n if (!tooltip) {\n return;\n }\n\n if (action === 'mouseover' && tooltip.timeout) {\n this.clearTimeout(tooltip);\n }\n\n if (action === 'mouseout' && tooltip.timeout) {\n // cut timeout after mouse out\n tooltip.timeout = 1000;\n\n this.setTimeout(tooltip);\n }\n};\n\n/**\n * Get a tooltip with the given id\n *\n * @param {String} id\n */\nTooltips.prototype.get = function(id) {\n\n if (typeof id !== 'string') {\n id = id.id;\n }\n\n return this._tooltips[id];\n};\n\nTooltips.prototype.clearTimeout = function(tooltip) {\n\n tooltip = this.get(tooltip);\n\n if (!tooltip) {\n return;\n }\n\n var removeTimer = tooltip.removeTimer;\n\n if (removeTimer) {\n clearTimeout(removeTimer);\n tooltip.removeTimer = null;\n }\n};\n\nTooltips.prototype.setTimeout = function(tooltip) {\n\n tooltip = this.get(tooltip);\n\n if (!tooltip) {\n return;\n }\n\n this.clearTimeout(tooltip);\n\n var self = this;\n\n tooltip.removeTimer = setTimeout(function() {\n self.remove(tooltip);\n }, tooltip.timeout);\n};\n\n/**\n * Remove an tooltip with the given id\n *\n * @param {String} id\n */\nTooltips.prototype.remove = function(id) {\n\n var tooltip = this.get(id);\n\n if (tooltip) {\n domRemove(tooltip.html);\n domRemove(tooltip.htmlContainer);\n\n delete tooltip.htmlContainer;\n\n delete this._tooltips[tooltip.id];\n }\n};\n\n\nTooltips.prototype.show = function() {\n setVisible(this._tooltipRoot);\n};\n\n\nTooltips.prototype.hide = function() {\n setVisible(this._tooltipRoot, false);\n};\n\n\nTooltips.prototype._updateRoot = function(viewbox) {\n var a = viewbox.scale || 1;\n var d = viewbox.scale || 1;\n\n var matrix = 'matrix(' + a + ',0,0,' + d + ',' + (-1 * viewbox.x * a) + ',' + (-1 * viewbox.y * d) + ')';\n\n this._tooltipRoot.style.transform = matrix;\n this._tooltipRoot.style['-ms-transform'] = matrix;\n};\n\n\nTooltips.prototype._addTooltip = function(tooltip) {\n\n var id = tooltip.id,\n html = tooltip.html,\n htmlContainer,\n tooltipRoot = this._tooltipRoot;\n\n // unwrap jquery (for those who need it)\n if (html.get) {\n html = html.get(0);\n }\n\n // create proper html elements from\n // tooltip HTML strings\n if (isString(html)) {\n html = domify(html);\n }\n\n htmlContainer = domify('<div data-tooltip-id=\"' + id + '\" class=\"' + tooltipClass + '\" style=\"position: absolute\">');\n\n htmlContainer.appendChild(html);\n\n if (tooltip.type) {\n domClasses(htmlContainer).add('djs-tooltip-' + tooltip.type);\n }\n\n if (tooltip.className) {\n domClasses(htmlContainer).add(tooltip.className);\n }\n\n tooltip.htmlContainer = htmlContainer;\n\n tooltipRoot.appendChild(htmlContainer);\n\n this._tooltips[id] = tooltip;\n\n this._updateTooltip(tooltip);\n};\n\n\nTooltips.prototype._updateTooltip = function(tooltip) {\n\n var position = tooltip.position,\n htmlContainer = tooltip.htmlContainer;\n\n // update overlay html based on tooltip x, y\n\n setPosition(htmlContainer, position.x, position.y);\n};\n\n\nTooltips.prototype._updateTooltipVisibilty = function(viewbox) {\n\n forEach(this._tooltips, function(tooltip) {\n var show = tooltip.show,\n htmlContainer = tooltip.htmlContainer,\n visible = true;\n\n if (show) {\n if (show.minZoom > viewbox.scale ||\n show.maxZoom < viewbox.scale) {\n visible = false;\n }\n\n setVisible(htmlContainer, visible);\n }\n });\n};\n\nTooltips.prototype._init = function() {\n\n var self = this;\n\n // scroll/zoom integration\n\n function updateViewbox(viewbox) {\n self._updateRoot(viewbox);\n self._updateTooltipVisibilty(viewbox);\n\n self.show();\n }\n\n this._eventBus.on('canvas.viewbox.changing', function(event) {\n self.hide();\n });\n\n this._eventBus.on('canvas.viewbox.changed', function(event) {\n updateViewbox(event.viewbox);\n });\n};\n","module.exports = {\n __init__: [ 'tooltips' ],\n tooltips: [ 'type', require(199) ]\n};","'use strict';\n\nfunction TouchFix(canvas, eventBus) {\n\n var self = this;\n\n eventBus.on('canvas.init', function(e) {\n self.addBBoxMarker(e.svg);\n });\n}\n\nTouchFix.$inject = [ 'canvas', 'eventBus' ];\n\nmodule.exports = TouchFix;\n\n\n/**\n * Safari mobile (iOS 7) does not fire touchstart event in <SVG> element\n * if there is no shape between 0,0 and viewport elements origin.\n *\n * So touchstart event is only fired when the <g class=\"viewport\"> element was hit.\n * Putting an element over and below the 'viewport' fixes that behavior.\n */\nTouchFix.prototype.addBBoxMarker = function(paper) {\n\n var markerStyle = {\n fill: 'none',\n class: 'outer-bound-marker'\n };\n\n paper.rect(-10000, -10000, 10, 10).attr(markerStyle);\n paper.rect(10000, 10000, 10, 10).attr(markerStyle);\n};\n","'use strict';\n\nvar forEach = require(255),\n domEvent = require(395),\n domClosest = require(392),\n Hammer = require(238),\n Snap = require(240),\n Event = require(222);\n\nvar MIN_ZOOM = 0.2,\n MAX_ZOOM = 4;\n\nvar mouseEvents = [\n 'mousedown',\n 'mouseup',\n 'mouseover',\n 'mouseout',\n 'click',\n 'dblclick'\n];\n\nfunction log() {\n if (false) {\n console.log.apply(console, arguments);\n }\n}\n\nfunction get(service, injector) {\n return injector.get(service, false);\n}\n\nfunction createTouchRecognizer(node) {\n\n function stopEvent(event) {\n Event.stopEvent(event, true);\n }\n\n function stopMouse(event) {\n\n forEach(mouseEvents, function(e) {\n domEvent.bind(node, e, stopEvent, true);\n });\n }\n\n function allowMouse(event) {\n setTimeout(function() {\n forEach(mouseEvents, function(e) {\n domEvent.unbind(node, e, stopEvent, true);\n });\n }, 500);\n }\n\n domEvent.bind(node, 'touchstart', stopMouse, true);\n domEvent.bind(node, 'touchend', allowMouse, true);\n domEvent.bind(node, 'touchcancel', allowMouse, true);\n\n // A touch event recognizer that handles\n // touch events only (we know, we can already handle\n // mouse events out of the box)\n\n var recognizer = new Hammer.Manager(node, {\n inputClass: Hammer.TouchInput,\n recognizers: []\n });\n\n\n var tap = new Hammer.Tap();\n var pan = new Hammer.Pan({ threshold: 10 });\n var press = new Hammer.Press();\n var pinch = new Hammer.Pinch();\n\n var doubleTap = new Hammer.Tap({ event: 'doubletap', taps: 2 });\n\n pinch.requireFailure(pan);\n pinch.requireFailure(press);\n\n recognizer.add([ pan, press, pinch, doubleTap, tap ]);\n\n recognizer.reset = function(force) {\n var recognizers = this.recognizers,\n session = this.session;\n\n if (session.stopped) {\n return;\n }\n\n log('recognizer', 'stop');\n\n recognizer.stop(force);\n\n setTimeout(function() {\n var i, r;\n\n log('recognizer', 'reset');\n for (i = 0; !!(r = recognizers[i]); i++) {\n r.reset();\n r.state = 8; // FAILED STATE\n }\n\n session.curRecognizer = null;\n }, 0);\n };\n\n recognizer.on('hammer.input', function(event) {\n if (event.srcEvent.defaultPrevented) {\n recognizer.reset(true);\n }\n });\n\n return recognizer;\n}\n\n/**\n * A plugin that provides touch events for elements.\n *\n * @param {EventBus} eventBus\n * @param {InteractionEvents} interactionEvents\n */\nfunction TouchInteractionEvents(injector, canvas, eventBus, elementRegistry, interactionEvents) {\n\n // optional integrations\n var dragging = get('dragging', injector),\n move = get('move', injector),\n contextPad = get('contextPad', injector),\n palette = get('palette', injector);\n\n // the touch recognizer\n var recognizer;\n\n function handler(type) {\n\n return function(event) {\n log('element', type, event);\n\n interactionEvents.fire(type, event);\n };\n }\n\n function getGfx(target) {\n var node = domClosest(target, 'svg, .djs-element', true);\n return node && new Snap(node);\n }\n\n function initEvents(svg) {\n\n // touch recognizer\n recognizer = createTouchRecognizer(svg);\n\n recognizer.on('doubletap', handler('element.dblclick'));\n\n recognizer.on('tap', handler('element.click'));\n\n function startGrabCanvas(event) {\n\n log('canvas', 'grab start');\n\n var lx = 0, ly = 0;\n\n function update(e) {\n\n var dx = e.deltaX - lx,\n dy = e.deltaY - ly;\n\n canvas.scroll({ dx: dx, dy: dy });\n\n lx = e.deltaX;\n ly = e.deltaY;\n }\n\n function end(e) {\n recognizer.off('panmove', update);\n recognizer.off('panend', end);\n recognizer.off('pancancel', end);\n\n log('canvas', 'grab end');\n }\n\n recognizer.on('panmove', update);\n recognizer.on('panend', end);\n recognizer.on('pancancel', end);\n }\n\n function startGrab(event) {\n\n var gfx = getGfx(event.target),\n element = gfx && elementRegistry.get(gfx);\n\n // recognizer\n if (move && canvas.getRootElement() !== element) {\n log('element', 'move start', element, event, true);\n return move.start(event, element, true);\n } else {\n startGrabCanvas(event);\n }\n }\n\n function startZoom(e) {\n\n log('canvas', 'zoom start');\n\n var zoom = canvas.zoom(),\n mid = e.center;\n\n function update(e) {\n\n var ratio = 1 - (1 - e.scale) / 1.50,\n newZoom = Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, ratio * zoom));\n\n canvas.zoom(newZoom, mid);\n\n Event.stopEvent(e, true);\n }\n\n function end(e) {\n recognizer.off('pinchmove', update);\n recognizer.off('pinchend', end);\n recognizer.off('pinchcancel', end);\n\n recognizer.reset(true);\n\n log('canvas', 'zoom end');\n }\n\n recognizer.on('pinchmove', update);\n recognizer.on('pinchend', end);\n recognizer.on('pinchcancel', end);\n }\n\n recognizer.on('panstart', startGrab);\n recognizer.on('press', startGrab);\n\n recognizer.on('pinchstart', startZoom);\n }\n\n if (dragging) {\n\n // simulate hover during dragging\n eventBus.on('drag.move', function(event) {\n\n var originalEvent = event.originalEvent;\n\n if (!originalEvent || originalEvent instanceof MouseEvent) {\n return;\n }\n\n var position = Event.toPoint(originalEvent);\n\n // this gets really expensive ...\n var node = document.elementFromPoint(position.x, position.y),\n gfx = getGfx(node),\n element = gfx && elementRegistry.get(gfx);\n\n if (element !== event.hover) {\n if (event.hover) {\n dragging.out(event);\n }\n\n if (element) {\n dragging.hover({ element: element, gfx: gfx });\n\n event.hover = element;\n event.hoverGfx = gfx;\n }\n }\n });\n }\n\n if (contextPad) {\n\n eventBus.on('contextPad.create', function(event) {\n var node = event.pad.html;\n\n // touch recognizer\n var padRecognizer = createTouchRecognizer(node);\n\n padRecognizer.on('panstart', function(event) {\n log('context-pad', 'panstart', event);\n contextPad.trigger('dragstart', event, true);\n });\n\n padRecognizer.on('press', function(event) {\n log('context-pad', 'press', event);\n contextPad.trigger('dragstart', event, true);\n });\n\n padRecognizer.on('tap', function(event) {\n log('context-pad', 'tap', event);\n contextPad.trigger('click', event);\n });\n });\n }\n\n if (palette) {\n eventBus.on('palette.create', function(event) {\n var node = event.html;\n\n // touch recognizer\n var padRecognizer = createTouchRecognizer(node);\n\n padRecognizer.on('panstart', function(event) {\n log('palette', 'panstart', event);\n palette.trigger('dragstart', event, true);\n });\n\n padRecognizer.on('press', function(event) {\n log('palette', 'press', event);\n palette.trigger('dragstart', event, true);\n });\n\n padRecognizer.on('tap', function(event) {\n log('palette', 'tap', event);\n palette.trigger('click', event);\n });\n });\n }\n\n eventBus.on('canvas.init', function(event) {\n initEvents(event.svg.node);\n });\n}\n\n\nTouchInteractionEvents.$inject = [\n 'injector',\n 'canvas',\n 'eventBus',\n 'elementRegistry',\n 'interactionEvents',\n 'touchFix'\n];\n\nmodule.exports = TouchInteractionEvents;","module.exports = {\n __depends__: [ require(135) ],\n __init__: [ 'touchInteractionEvents' ],\n touchInteractionEvents: [ 'type', require(202) ],\n touchFix: [ 'type', require(201) ]\n};","module.exports = {\n translate: [ 'value', require(205) ]\n};","'use strict';\n\n/**\n * A simple translation stub to be used for multi-language support\n * in diagrams. Can be easily replaced with a more sophisticated\n * solution.\n *\n * @example\n *\n * // use it inside any diagram component by injecting `translate`.\n *\n * function MyService(translate) {\n * alert(translate('HELLO {you}', { you: 'You!' }));\n * }\n *\n * @param {String} template to interpolate\n * @param {Object} [replacements] a map with substitutes\n *\n * @return {String} the translated string\n */\nmodule.exports = function translate(template, replacements) {\n\n replacements = replacements || {};\n\n return template.replace(/{([^}]+)}/g, function(_, key) {\n return replacements[key] || '{' + key + '}';\n });\n};","'use strict';\n\nvar getMid = require(208).getMid;\n\n\n/**\n * A base connection layouter implementation\n * that layouts the connection by directly connecting\n * mid(source) + mid(target).\n */\nfunction BaseLayouter() {}\n\nmodule.exports = BaseLayouter;\n\n\n/**\n * Return the new layouted waypoints for the given connection.\n *\n * @param {djs.model.Connection} connection\n * @param {Object} hints\n * @param {Boolean} [hints.movedStart=false]\n * @param {Boolean} [hints.movedEnd=false]\n *\n * @return {Array<Point>} the layouted connection waypoints\n */\nBaseLayouter.prototype.layoutConnection = function(connection, hints) {\n return [\n getMid(connection.source),\n getMid(connection.target)\n ];\n};\n","'use strict';\n\nvar assign = require(377);\n\nvar LayoutUtil = require(208);\n\n\nfunction dockingToPoint(docking) {\n // use the dockings actual point and\n // retain the original docking\n return assign({ original: docking.point.original || docking.point }, docking.actual);\n}\n\n\n/**\n * A {@link ConnectionDocking} that crops connection waypoints based on\n * the path(s) of the connection source and target.\n *\n * @param {djs.core.ElementRegistry} elementRegistry\n */\nfunction CroppingConnectionDocking(elementRegistry, graphicsFactory) {\n this._elementRegistry = elementRegistry;\n this._graphicsFactory = graphicsFactory;\n}\n\nCroppingConnectionDocking.$inject = [ 'elementRegistry', 'graphicsFactory' ];\n\nmodule.exports = CroppingConnectionDocking;\n\n\n/**\n * @inheritDoc ConnectionDocking#getCroppedWaypoints\n */\nCroppingConnectionDocking.prototype.getCroppedWaypoints = function(connection, source, target) {\n\n source = source || connection.source;\n target = target || connection.target;\n\n var sourceDocking = this.getDockingPoint(connection, source, true),\n targetDocking = this.getDockingPoint(connection, target);\n\n var croppedWaypoints = connection.waypoints.slice(sourceDocking.idx + 1, targetDocking.idx);\n\n croppedWaypoints.unshift(dockingToPoint(sourceDocking));\n croppedWaypoints.push(dockingToPoint(targetDocking));\n\n return croppedWaypoints;\n};\n\n/**\n * Return the connection docking point on the specified shape\n *\n * @inheritDoc ConnectionDocking#getDockingPoint\n */\nCroppingConnectionDocking.prototype.getDockingPoint = function(connection, shape, dockStart) {\n\n var waypoints = connection.waypoints,\n dockingIdx,\n dockingPoint,\n croppedPoint;\n\n dockingIdx = dockStart ? 0 : waypoints.length - 1;\n dockingPoint = waypoints[dockingIdx];\n\n croppedPoint = this._getIntersection(shape, connection, dockStart);\n\n return {\n point: dockingPoint,\n actual: croppedPoint || dockingPoint,\n idx: dockingIdx\n };\n};\n\n\n////// helper methods ///////////////////////////////////////////////////\n\nCroppingConnectionDocking.prototype._getIntersection = function(shape, connection, takeFirst) {\n\n var shapePath = this._getShapePath(shape),\n connectionPath = this._getConnectionPath(connection);\n\n return LayoutUtil.getElementLineIntersection(shapePath, connectionPath, takeFirst);\n};\n\nCroppingConnectionDocking.prototype._getConnectionPath = function(connection) {\n return this._graphicsFactory.getConnectionPath(connection);\n};\n\nCroppingConnectionDocking.prototype._getShapePath = function(shape) {\n return this._graphicsFactory.getShapePath(shape);\n};\n\nCroppingConnectionDocking.prototype._getGfx = function(element) {\n return this._elementRegistry.getGraphics(element);\n};\n","'use strict';\n\nvar isObject = require(372),\n sortBy = require(262),\n pointDistance = require(223).pointDistance;\n\nvar Snap = require(240);\n\n\nfunction roundBounds(bounds) {\n return {\n x: Math.round(bounds.x),\n y: Math.round(bounds.y),\n width: Math.round(bounds.width),\n height: Math.round(bounds.height)\n };\n}\n\nmodule.exports.roundBounds = roundBounds;\n\n\nfunction roundPoint(point) {\n\n return {\n x: Math.round(point.x),\n y: Math.round(point.y)\n };\n}\n\nmodule.exports.roundPoint = roundPoint;\n\n\n/**\n * Convert the given bounds to a { top, left, bottom, right } descriptor.\n *\n * @param {Bounds|Point} bounds\n *\n * @return {Object}\n */\nfunction asTRBL(bounds) {\n return {\n top: bounds.y,\n right: bounds.x + (bounds.width || 0),\n bottom: bounds.y + (bounds.height || 0),\n left: bounds.x\n };\n}\n\nmodule.exports.asTRBL = asTRBL;\n\n/**\n * Convert a { top, left, bottom, right } to an objects bounds.\n *\n * @param {Object} trbl\n *\n * @return {Bounds}\n */\nfunction asBounds(trbl) {\n return {\n x: trbl.left,\n y: trbl.top,\n width: trbl.right - trbl.left,\n height: trbl.bottom - trbl.top\n };\n}\n\nmodule.exports.asBounds = asBounds;\n\n\n/**\n * Get the mid of the given bounds or point.\n *\n * @param {Bounds|Point} bounds\n *\n * @return {Point}\n */\nfunction getMid(bounds) {\n return roundPoint({\n x: bounds.x + (bounds.width || 0) / 2,\n y: bounds.y + (bounds.height || 0) / 2\n });\n}\n\nmodule.exports.getMid = getMid;\n\n\n////// orientation utils //////////////////////////////\n\n/**\n * Get orientation of the given rectangle with respect to\n * the reference rectangle.\n *\n * A padding (positive or negative) may be passed to influence\n * horizontal / vertical orientation and intersection.\n *\n * @param {Bounds} rect\n * @param {Bounds} reference\n * @param {Point|Number} padding\n *\n * @return {String} the orientation; one of top, top-left, left, ..., bottom, right or intersect.\n */\nfunction getOrientation(rect, reference, padding) {\n\n padding = padding || 0;\n\n // make sure we can use an object, too\n // for individual { x, y } padding\n if (!isObject(padding)) {\n padding = { x: padding, y: padding };\n }\n\n\n var rectOrientation = asTRBL(rect),\n referenceOrientation = asTRBL(reference);\n\n var top = rectOrientation.bottom + padding.y <= referenceOrientation.top,\n right = rectOrientation.left - padding.x >= referenceOrientation.right,\n bottom = rectOrientation.top - padding.y >= referenceOrientation.bottom,\n left = rectOrientation.right + padding.x <= referenceOrientation.left;\n\n var vertical = top ? 'top' : (bottom ? 'bottom' : null),\n horizontal = left ? 'left' : (right ? 'right' : null);\n\n if (horizontal && vertical) {\n return vertical + '-' + horizontal;\n } else {\n return horizontal || vertical || 'intersect';\n }\n}\n\nmodule.exports.getOrientation = getOrientation;\n\n\n////// intersection utils //////////////////////////////\n\nfunction getElementLineIntersection(elementPath, linePath, cropStart) {\n\n var intersections = getIntersections(elementPath, linePath);\n\n // recognize intersections\n // only one -> choose\n // two close together -> choose first\n // two or more distinct -> pull out appropriate one\n // none -> ok (fallback to point itself)\n if (intersections.length === 1) {\n return roundPoint(intersections[0]);\n } else if (intersections.length === 2 && pointDistance(intersections[0], intersections[1]) < 1) {\n return roundPoint(intersections[0]);\n } else if (intersections.length > 1) {\n\n // sort by intersections based on connection segment +\n // distance from start\n intersections = sortBy(intersections, function(i) {\n var distance = Math.floor(i.t2 * 100) || 1;\n\n distance = 100 - distance;\n\n distance = (distance < 10 ? '0' : '') + distance;\n\n // create a sort string that makes sure we sort\n // line segment ASC + line segment position DESC (for cropStart)\n // line segment ASC + line segment position ASC (for cropEnd)\n return i.segment2 + '#' + distance;\n });\n\n return roundPoint(intersections[cropStart ? 0 : intersections.length - 1]);\n }\n\n return null;\n}\n\nmodule.exports.getElementLineIntersection = getElementLineIntersection;\n\n\nfunction getIntersections(a, b) {\n return Snap.path.intersection(a, b);\n}\n\nmodule.exports.getIntersections = getIntersections;\n","'use strict';\n\nvar isArray = require(368),\n find = require(254),\n without = require(249),\n assign = require(377);\n\nvar LayoutUtil = require(208),\n Geometry = require(223);\n\nvar getOrientation = LayoutUtil.getOrientation,\n getMid = LayoutUtil.getMid,\n pointsAligned = Geometry.pointsAligned;\n\nvar pointInRect = Geometry.pointInRect,\n pointDistance = Geometry.pointDistance;\n\nvar INTERSECTION_THRESHOLD = 20,\n ORIENTATION_THRESHOLD = {\n 'h:h': 20,\n 'v:v': 20,\n 'h:v': -10,\n 'v:h': -10\n };\n\n\n/**\n * Returns the mid points for a manhattan connection between two points.\n *\n * @example\n *\n * [a]----[x]\n * |\n * [x]----[b]\n *\n * @example\n *\n * [a]----[x]\n * |\n * [b]\n *\n * @param {Point} a\n * @param {Point} b\n * @param {String} directions\n *\n * @return {Array<Point>}\n */\nmodule.exports.getBendpoints = function(a, b, directions) {\n\n directions = directions || 'h:h';\n\n var xmid, ymid;\n\n // one point, next to a\n if (directions === 'h:v') {\n return [ { x: b.x, y: a.y } ];\n } else\n // one point, above a\n if (directions === 'v:h') {\n return [ { x: a.x, y: b.y } ];\n } else\n // vertical edge xmid\n if (directions === 'h:h') {\n xmid = Math.round((b.x - a.x) / 2 + a.x);\n\n return [\n { x: xmid, y: a.y },\n { x: xmid, y: b.y }\n ];\n } else\n // horizontal edge ymid\n if (directions === 'v:v') {\n ymid = Math.round((b.y - a.y) / 2 + a.y);\n\n return [\n { x: a.x, y: ymid },\n { x: b.x, y: ymid }\n ];\n } else {\n throw new Error(\n 'unknown directions: <' + directions + '>: ' +\n 'directions must be specified as {a direction}:{b direction} (direction in h|v)');\n }\n};\n\n\n/**\n * Create a connection between the two points according\n * to the manhattan layout (only horizontal and vertical) edges.\n *\n * @param {Point} a\n * @param {Point} b\n *\n * @param {String} [directions='h:h'] specifies manhattan directions for each point as {adirection}:{bdirection}.\n A directionfor a point is either `h` (horizontal) or `v` (vertical)\n *\n * @return {Array<Point>}\n */\nmodule.exports.connectPoints = function(a, b, directions) {\n\n var points = [];\n\n if (!pointsAligned(a, b)) {\n points = this.getBendpoints(a, b, directions);\n }\n\n points.unshift(a);\n points.push(b);\n\n return points;\n};\n\n\n/**\n * Connect two rectangles using a manhattan layouted connection.\n *\n * @param {Bounds} source source rectangle\n * @param {Bounds} target target rectangle\n * @param {Point} [start] source docking\n * @param {Point} [end] target docking\n *\n * @param {Object} [hints]\n * @param {Array<String>} [hints.preferredLayouts]\n *\n * @return {Array<Point>} connection points\n */\nmodule.exports.connectRectangles = function(source, target, start, end, hints) {\n\n var preferredLayouts = hints && hints.preferredLayouts || [];\n\n var preferredLayout = without(preferredLayouts, 'straight')[0] || 'h:h';\n\n var threshold = ORIENTATION_THRESHOLD[preferredLayout] || 0;\n\n var orientation = getOrientation(source, target, threshold);\n\n var directions = getDirections(orientation, preferredLayout);\n\n start = start || getMid(source);\n end = end || getMid(target);\n\n // overlapping elements\n if (!directions) {\n return;\n }\n\n if (directions === 'h:h') {\n\n switch (orientation) {\n case 'top-right':\n case 'right':\n case 'bottom-right':\n start = { original: start, x: source.x, y: start.y };\n end = { original: end, x: target.x + target.width, y: end.y };\n break;\n case 'top-left':\n case 'left':\n case 'bottom-left':\n start = { original: start, x: source.x + source.width, y: start.y };\n end = { original: end, x: target.x, y: end.y };\n break;\n }\n }\n\n if (directions === 'v:v') {\n\n switch (orientation) {\n case 'top-left':\n case 'top':\n case 'top-right':\n start = { original: start, x: start.x, y: source.y + source.height };\n end = { original: end, x: end.x, y: target.y };\n break;\n case 'bottom-left':\n case 'bottom':\n case 'bottom-right':\n start = { original: start, x: start.x, y: source.y };\n end = { original: end, x: end.x, y: target.y + target.height };\n break;\n }\n }\n\n return this.connectPoints(start, end, directions);\n};\n\n/**\n * Repair the connection between two rectangles, of which one has been updated.\n *\n * @param {Bounds} source\n * @param {Bounds} target\n * @param {Point} [start]\n * @param {Point} [end]\n * @param {Array<Point>} waypoints\n * @param {Object} [hints]\n * @param {Array<String>} [hints.preferredLayouts] list of preferred layouts\n * @param {Boolean} [hints.startChanged]\n * @param {Boolean} [hints.endChanged]\n *\n * @return {Array<Point>} repaired waypoints\n */\nmodule.exports.repairConnection = function(source, target, start, end, waypoints, hints) {\n\n if (isArray(start)) {\n waypoints = start;\n hints = end;\n\n start = getMid(source);\n end = getMid(target);\n }\n\n hints = assign({ preferredLayouts: [] }, hints);\n\n var preferredLayouts = hints.preferredLayouts,\n layoutStraight = preferredLayouts.indexOf('straight') !== -1,\n repairedWaypoints;\n\n // just layout non-existing or simple connections\n // attempt to render straight lines, if required\n\n if (layoutStraight) {\n // attempt to layout a straight line\n repairedWaypoints = this.layoutStraight(source, target, start, end, hints);\n }\n\n if (!repairedWaypoints) {\n // check if we layout from start or end\n if (hints.endChanged) {\n repairedWaypoints = this._repairConnectionSide(target, source, end, waypoints.slice().reverse());\n repairedWaypoints = repairedWaypoints && repairedWaypoints.reverse();\n } else\n if (hints.startChanged) {\n repairedWaypoints = this._repairConnectionSide(source, target, start, waypoints);\n } else\n // or whether nothing seems to have changed\n if (waypoints && waypoints.length) {\n repairedWaypoints = waypoints;\n }\n }\n\n // simply reconnect if nothing else worked\n if (!repairedWaypoints) {\n repairedWaypoints = this.connectRectangles(source, target, start, end, hints);\n }\n\n return repairedWaypoints;\n};\n\n\nfunction inRange(a, start, end) {\n return a >= start && a <= end;\n}\n\nfunction isInRange(axis, a, b) {\n var size = {\n x: 'width',\n y: 'height'\n };\n\n return inRange(a[axis], b[axis], b[axis] + b[size[axis]]);\n}\n\n/**\n * Layout a straight connection\n *\n * @param {Bounds} source\n * @param {Bounds} target\n * @param {Point} start\n * @param {Point} end\n * @param {Object} [hints]\n *\n * @return {Array<Point>} waypoints if straight layout worked\n */\nmodule.exports.layoutStraight = function(source, target, start, end, hints) {\n var axis = {},\n primaryAxis,\n secondaryAxis,\n orientation;\n\n orientation = getOrientation(source, target);\n\n // We're only interested in layouting a straight connection\n // if the shapes are horizontally or vertically aligned\n if (!/^(top|bottom|left|right)$/.test(orientation)) {\n return null;\n }\n\n if (/top|bottom/.test(orientation)) {\n primaryAxis = 'x';\n secondaryAxis = 'y';\n }\n\n if (/left|right/.test(orientation)) {\n primaryAxis = 'y';\n secondaryAxis = 'x';\n }\n\n if (!isInRange(primaryAxis, start, target)) {\n return null;\n }\n\n axis[primaryAxis] = start[primaryAxis];\n\n return [\n {\n x: start.x,\n y: start.y\n },\n {\n x: axis.x !== undefined ? axis.x : end.x,\n y: axis.y !== undefined ? axis.y : end.y,\n original: {\n x: axis.x !== undefined ? axis.x : end.x,\n y: axis.y !== undefined ? axis.y : end.y\n }\n }\n ];\n};\n\n/**\n * Repair a connection from one side that moved.\n *\n * @param {Bounds} moved\n * @param {Bounds} other\n * @param {Point} newDocking\n * @param {Array<Point>} points originalPoints from moved to other\n *\n * @return {Array<Point>} the repaired points between the two rectangles\n */\nmodule.exports._repairConnectionSide = function(moved, other, newDocking, points) {\n\n function needsRelayout(moved, other, points) {\n\n if (points.length < 3) {\n return true;\n }\n\n if (points.length > 4) {\n return false;\n }\n\n // relayout if two points overlap\n // this is most likely due to\n return !!find(points, function(p, idx) {\n var q = points[idx - 1];\n\n return q && pointDistance(p, q) < 3;\n });\n }\n\n function repairBendpoint(candidate, oldPeer, newPeer) {\n\n var alignment = pointsAligned(oldPeer, candidate);\n\n switch (alignment) {\n case 'v':\n // repair vertical alignment\n return { x: candidate.x, y: newPeer.y };\n case 'h':\n // repair horizontal alignment\n return { x: newPeer.x, y: candidate.y };\n }\n\n return { x: candidate.x, y: candidate. y };\n }\n\n function removeOverlapping(points, a, b) {\n var i;\n\n for (i = points.length - 2; i !== 0; i--) {\n\n // intersects (?) break, remove all bendpoints up to this one and relayout\n if (pointInRect(points[i], a, INTERSECTION_THRESHOLD) ||\n pointInRect(points[i], b, INTERSECTION_THRESHOLD)) {\n\n // return sliced old connection\n return points.slice(i);\n }\n }\n\n return points;\n }\n\n\n // (0) only repair what has layoutable bendpoints\n\n // (1) if only one bendpoint and on shape moved onto other shapes axis\n // (horizontally / vertically), relayout\n\n if (needsRelayout(moved, other, points)) {\n return null;\n }\n\n var oldDocking = points[0],\n newPoints = points.slice(),\n slicedPoints;\n\n // (2) repair only last line segment and only if it was layouted before\n\n newPoints[0] = newDocking;\n newPoints[1] = repairBendpoint(newPoints[1], oldDocking, newDocking);\n\n\n // (3) if shape intersects with any bendpoint after repair,\n // remove all segments up to this bendpoint and repair from there\n\n slicedPoints = removeOverlapping(newPoints, moved, other);\n\n if (slicedPoints !== newPoints) {\n return this._repairConnectionSide(moved, other, newDocking, slicedPoints);\n }\n\n return newPoints;\n};\n\n/**\n * Returns the manhattan directions connecting two rectangles\n * with the given orientation.\n *\n * @example\n *\n * getDirections('top'); // -> 'v:v'\n *\n * getDirections('top-right', 'v:h'); // -> 'v:h'\n * getDirections('top-right', 'h:h'); // -> 'h:h'\n *\n *\n * @param {String} orientation\n * @param {String} defaultLayout\n *\n * @return {String}\n */\nfunction getDirections(orientation, defaultLayout) {\n\n switch (orientation) {\n case 'intersect':\n return null;\n\n case 'top':\n case 'bottom':\n return 'v:v';\n\n case 'left':\n case 'right':\n return 'h:h';\n\n // 'top-left'\n // 'top-right'\n // 'bottom-left'\n // 'bottom-right'\n default:\n return defaultLayout;\n }\n}\n","'use strict';\n\nvar assign = require(377),\n inherits = require(243);\n\nvar Refs = require(407);\n\nvar parentRefs = new Refs({ name: 'children', enumerable: true, collection: true }, { name: 'parent' }),\n labelRefs = new Refs({ name: 'label', enumerable: true }, { name: 'labelTarget' }),\n attacherRefs = new Refs({ name: 'attachers', collection: true }, { name: 'host' }),\n outgoingRefs = new Refs({ name: 'outgoing', collection: true }, { name: 'source' }),\n incomingRefs = new Refs({ name: 'incoming', collection: true }, { name: 'target' });\n\n/**\n * @namespace djs.model\n */\n\n/**\n * @memberOf djs.model\n */\n\n/**\n * The basic graphical representation\n *\n * @class\n *\n * @abstract\n */\nfunction Base() {\n\n /**\n * The object that backs up the shape\n *\n * @name Base#businessObject\n * @type Object\n */\n Object.defineProperty(this, 'businessObject', {\n writable: true\n });\n\n /**\n * The parent shape\n *\n * @name Base#parent\n * @type Shape\n */\n parentRefs.bind(this, 'parent');\n\n /**\n * @name Base#label\n * @type Label\n */\n labelRefs.bind(this, 'label');\n\n /**\n * The list of outgoing connections\n *\n * @name Base#outgoing\n * @type Array<Connection>\n */\n outgoingRefs.bind(this, 'outgoing');\n\n /**\n * The list of incoming connections\n *\n * @name Base#incoming\n * @type Array<Connection>\n */\n incomingRefs.bind(this, 'incoming');\n}\n\n\n/**\n * A graphical object\n *\n * @class\n * @constructor\n *\n * @extends Base\n */\nfunction Shape() {\n Base.call(this);\n\n /**\n * The list of children\n *\n * @name Shape#children\n * @type Array<Base>\n */\n parentRefs.bind(this, 'children');\n\n /**\n * @name Shape#host\n * @type Shape\n */\n attacherRefs.bind(this, 'host');\n\n /**\n * @name Shape#attachers\n * @type Shape\n */\n attacherRefs.bind(this, 'attachers');\n}\n\ninherits(Shape, Base);\n\n\n/**\n * A root graphical object\n *\n * @class\n * @constructor\n *\n * @extends Shape\n */\nfunction Root() {\n Shape.call(this);\n}\n\ninherits(Root, Shape);\n\n\n/**\n * A label for an element\n *\n * @class\n * @constructor\n *\n * @extends Shape\n */\nfunction Label() {\n Shape.call(this);\n\n /**\n * The labeled element\n *\n * @name Label#labelTarget\n * @type Base\n */\n labelRefs.bind(this, 'labelTarget');\n}\n\ninherits(Label, Shape);\n\n\n/**\n * A connection between two elements\n *\n * @class\n * @constructor\n *\n * @extends Base\n */\nfunction Connection() {\n Base.call(this);\n\n /**\n * The element this connection originates from\n *\n * @name Connection#source\n * @type Base\n */\n outgoingRefs.bind(this, 'source');\n\n /**\n * The element this connection points to\n *\n * @name Connection#target\n * @type Base\n */\n incomingRefs.bind(this, 'target');\n}\n\ninherits(Connection, Base);\n\n\nvar types = {\n connection: Connection,\n shape: Shape,\n label: Label,\n root: Root\n};\n\n/**\n * Creates a new model element of the specified type\n *\n * @method create\n *\n * @example\n *\n * var shape1 = Model.create('shape', { x: 10, y: 10, width: 100, height: 100 });\n * var shape2 = Model.create('shape', { x: 210, y: 210, width: 100, height: 100 });\n *\n * var connection = Model.create('connection', { waypoints: [ { x: 110, y: 55 }, {x: 210, y: 55 } ] });\n *\n * @param {String} type lower-cased model name\n * @param {Object} attrs attributes to initialize the new model instance with\n *\n * @return {Base} the new model instance\n */\nmodule.exports.create = function(type, attrs) {\n var Type = types[type];\n if (!Type) {\n throw new Error('unknown type: <' + type + '>');\n }\n return assign(new Type(), attrs);\n};\n\n\nmodule.exports.Base = Base;\nmodule.exports.Root = Root;\nmodule.exports.Shape = Shape;\nmodule.exports.Connection = Connection;\nmodule.exports.Label = Label;\n","'use strict';\n\nvar Cursor = require(220),\n ClickTrap = require(218),\n substract = require(227).substract,\n domEvent = require(395),\n Event = require(222);\n\n\n\nfunction length(point) {\n return Math.sqrt(Math.pow(point.x, 2) + Math.pow(point.y, 2));\n}\n\n\nvar THRESHOLD = 15;\n\n\nfunction MoveCanvas(eventBus, canvas) {\n\n var container = canvas._container,\n context;\n\n\n function handleMove(event) {\n\n var start = context.start,\n position = Event.toPoint(event),\n delta = substract(position, start);\n\n if (!context.dragging && length(delta) > THRESHOLD) {\n context.dragging = true;\n\n // prevent mouse click in this\n // interaction sequence\n ClickTrap.install();\n\n Cursor.set('grab');\n }\n\n if (context.dragging) {\n\n var lastPosition = context.last || context.start;\n\n delta = substract(position, lastPosition);\n\n canvas.scroll({\n dx: delta.x,\n dy: delta.y\n });\n\n context.last = position;\n }\n\n // prevent select\n event.preventDefault();\n }\n\n\n function handleEnd(event) {\n domEvent.unbind(document, 'mousemove', handleMove);\n domEvent.unbind(document, 'mouseup', handleEnd);\n\n context = null;\n\n Cursor.unset();\n\n // prevent select\n Event.stopEvent(event);\n }\n\n function handleStart(event) {\n\n // reject non-left left mouse button or modifier key\n if (event.button || event.ctrlKey || event.shiftKey || event.altKey) {\n return;\n }\n\n context = {\n start: Event.toPoint(event)\n };\n\n domEvent.bind(document, 'mousemove', handleMove);\n domEvent.bind(document, 'mouseup', handleEnd);\n\n // prevent select\n Event.stopEvent(event);\n }\n\n domEvent.bind(container, 'mousedown', handleStart);\n}\n\n\nMoveCanvas.$inject = [ 'eventBus', 'canvas' ];\n\nmodule.exports = MoveCanvas;\n","module.exports = {\n __init__: [ 'moveCanvas' ],\n moveCanvas: [ 'type', require(211) ]\n};","module.exports = {\n __depends__: [ require(203) ]\n};","'use strict';\n\nvar domEvent = require(395);\n\nvar hasPrimaryModifier = require(228).hasPrimaryModifier,\n hasSecondaryModifier = require(228).hasSecondaryModifier;\n\nvar isMac = require(229).isMac;\n\nvar getStepRange = require(215).getStepRange,\n cap = require(215).cap;\n\nvar log10 = require(227).log10;\n\nvar bind = require(264);\n\nvar RANGE = { min: 0.2, max: 4 },\n NUM_STEPS = 10;\n\n\n/**\n * An implementation of zooming and scrolling within the\n * {@link Canvas} via the mouse wheel.\n *\n * Mouse wheel zooming / scrolling may be disabled using\n * the {@link toggle(enabled)} method.\n *\n * Additionally users can define the initial enabled state\n * by passing `{ zoomScroll: { enabled: false } }` at diagram\n * initialization.\n *\n * @param {EventBus} eventBus\n * @param {Canvas} canvas\n * @param {Object} config\n */\nfunction ZoomScroll(eventBus, canvas, config) {\n\n this._enabled = false;\n\n this._canvas = canvas;\n this._container = canvas._container;\n\n this._handleWheel = bind(this._handleWheel, this);\n\n var newEnabled = !config || config.enabled !== false;\n\n var self = this;\n\n eventBus.on('canvas.init', function(e) {\n self._init(newEnabled);\n });\n}\n\nZoomScroll.$inject = [ 'eventBus', 'canvas', 'config.zoomScroll' ];\n\nmodule.exports = ZoomScroll;\n\nZoomScroll.prototype.scroll = function scroll(delta) {\n this._canvas.scroll(delta);\n};\n\n\nZoomScroll.prototype.reset = function reset() {\n this._canvas.zoom('fit-viewport');\n};\n\n\nZoomScroll.prototype.zoom = function zoom(direction, position) {\n var canvas = this._canvas;\n var currentZoom = canvas.zoom(false);\n\n var factor = Math.pow(1 + Math.abs(direction) , direction > 0 ? 1 : -1);\n\n canvas.zoom(cap(RANGE, currentZoom * factor), position);\n};\n\n\nZoomScroll.prototype._handleWheel = function handleWheel(event) {\n\n var element = this._container;\n\n event.preventDefault();\n\n // mouse-event: SELECTION_KEY\n // mouse-event: AND_KEY\n var isVerticalScroll = hasPrimaryModifier(event),\n isHorizontalScroll = hasSecondaryModifier(event);\n\n var factor;\n\n if (isVerticalScroll || isHorizontalScroll) {\n\n if (isMac) {\n factor = event.deltaMode === 0 ? 1.25 : 50;\n } else {\n factor = event.deltaMode === 0 ? 1/40 : 1/2;\n }\n\n var delta = {};\n\n if (isHorizontalScroll) {\n delta.dx = (factor * (event.deltaX || event.deltaY));\n } else {\n delta.dy = (factor * event.deltaY);\n }\n this.scroll(delta);\n } else {\n factor = (event.deltaMode === 0 ? 1/40 : 1/2);\n\n var elementRect = element.getBoundingClientRect();\n\n var offset = {\n x: event.clientX - elementRect.left,\n y: event.clientY - elementRect.top\n };\n\n // zoom in relative to diagram {x,y} coordinates\n this.zoom(event.deltaY * factor / (-5), offset);\n }\n};\n\n/**\n * Zoom along fixed zoom steps\n *\n * @param {Integer} direction zoom direction (1 for zooming in, -1 for out)\n */\nZoomScroll.prototype.stepZoom = function stepZoom(direction, position) {\n\n var canvas = this._canvas,\n stepRange = getStepRange(RANGE, NUM_STEPS);\n\n direction = direction > 0 ? 1 : -1;\n\n var currentLinearZoomLevel = log10(canvas.zoom());\n\n // snap to a proximate zoom step\n var newLinearZoomLevel = Math.round(currentLinearZoomLevel / stepRange) * stepRange;\n\n // increase or decrease one zoom step in the given direction\n newLinearZoomLevel += stepRange * direction;\n\n // calculate the absolute logarithmic zoom level based on the linear zoom level\n // (e.g. 2 for an absolute x2 zoom)\n var newLogZoomLevel = Math.pow(10, newLinearZoomLevel);\n\n canvas.zoom(cap(RANGE, newLogZoomLevel), position);\n};\n\n\n/**\n * Toggle the zoom scroll ability via mouse wheel.\n *\n * @param {Boolean} [newEnabled] new enabled state\n */\nZoomScroll.prototype.toggle = function toggle(newEnabled) {\n\n var element = this._container;\n var handleWheel = this._handleWheel;\n\n var oldEnabled = this._enabled;\n\n if (typeof newEnabled === 'undefined') {\n newEnabled = !oldEnabled;\n }\n\n // only react on actual changes\n if (oldEnabled !== newEnabled) {\n\n // add or remove wheel listener based on\n // changed enabled state\n domEvent[newEnabled ? 'bind' : 'unbind'](element, 'wheel', handleWheel, true);\n }\n\n this._enabled = newEnabled;\n\n return newEnabled;\n};\n\n\nZoomScroll.prototype._init = function(newEnabled) {\n this.toggle(newEnabled);\n};","'use strict';\n\n\nvar log10 = require(227).log10;\n\n/**\n * Get the linear range between two zoom steps based on the\n * total number of zoom steps (defined as NUM_STEPS)\n */\nmodule.exports.getStepRange = function(range, steps) {\n\n var minLinearRange = log10(range.min),\n maxLinearRange = log10(range.max);\n\n var absoluteLinearRange = Math.abs(minLinearRange) + Math.abs(maxLinearRange);\n\n return absoluteLinearRange / steps;\n};\n\nmodule.exports.cap = function(range, scale) {\n return Math.max(range.min, Math.min(range.max, scale));\n};\n","module.exports = {\n __init__: [ 'zoomScroll' ],\n zoomScroll: [ 'type', require(214) ]\n};","'use strict';\n\nvar roundPoint = require(208).roundPoint;\n\n\nfunction center(bounds) {\n return {\n x: bounds.x + (bounds.width / 2),\n y: bounds.y + (bounds.height / 2)\n };\n}\n\nfunction delta(a, b) {\n return {\n x: a.x - b.x,\n y: a.y - b.y\n };\n}\n\n/**\n * Calculates the absolute point relative to the new element's position\n *\n * @param {point} point [absolute]\n * @param {bounds} oldBounds\n * @param {bounds} newBounds\n *\n * @return {point} point [absolute]\n */\nfunction getNewAttachPoint(point, oldBounds, newBounds) {\n var oldCenter = center(oldBounds),\n newCenter = center(newBounds),\n oldDelta = delta(point, oldCenter);\n\n var newDelta = {\n x: oldDelta.x * (newBounds.width / oldBounds.width),\n y: oldDelta.y * (newBounds.height / oldBounds.height)\n };\n\n return roundPoint({\n x: newCenter.x + newDelta.x,\n y: newCenter.y + newDelta.y\n });\n}\n\nmodule.exports.getNewAttachPoint = getNewAttachPoint;\n\n\n/**\n * Calculates the shape's delta relative to a new position\n * of a certain element's bounds\n *\n * @param {djs.model.Shape} point [absolute]\n * @param {bounds} oldBounds\n * @param {bounds} newBounds\n *\n * @return {delta} delta\n */\nfunction getNewAttachShapeDelta(shape, oldBounds, newBounds) {\n var shapeCenter = center(shape),\n oldCenter = center(oldBounds),\n newCenter = center(newBounds),\n shapeDelta = delta(shape, shapeCenter),\n oldCenterDelta = delta(shapeCenter, oldCenter);\n\n var newCenterDelta = {\n x: oldCenterDelta.x * (newBounds.width / oldBounds.width),\n y: oldCenterDelta.y * (newBounds.height / oldBounds.height)\n };\n\n var newShapeCenter = {\n x: newCenter.x + newCenterDelta.x,\n y: newCenter.y + newCenterDelta.y\n };\n\n return roundPoint({\n x: newShapeCenter.x + shapeDelta.x - shape.x,\n y: newShapeCenter.y + shapeDelta.y - shape.y\n });\n}\n\nmodule.exports.getNewAttachShapeDelta = getNewAttachShapeDelta;\n","'use strict';\n\nvar domEvent = require(395),\n stopEvent = require(222).stopEvent;\n\nfunction trap(event) {\n stopEvent(event);\n\n toggle(false);\n}\n\nfunction toggle(active) {\n domEvent[active ? 'bind' : 'unbind'](document.body, 'click', trap, true);\n}\n\n/**\n * Installs a click trap that prevents a ghost click following a dragging operation.\n *\n * @return {Function} a function to immediately remove the installed trap.\n */\nfunction install() {\n\n toggle(true);\n\n return function() {\n toggle(false);\n };\n}\n\nmodule.exports.install = install;","'use strict';\n\n/**\n * Failsafe remove an element from a collection\n *\n * @param {Array<Object>} [collection]\n * @param {Object} [element]\n *\n * @return {Number} the previous index of the element\n */\nmodule.exports.remove = function(collection, element) {\n\n if (!collection || !element) {\n return -1;\n }\n\n var idx = collection.indexOf(element);\n\n if (idx !== -1) {\n collection.splice(idx, 1);\n }\n\n return idx;\n};\n\n/**\n * Fail save add an element to the given connection, ensuring\n * it does not yet exist.\n *\n * @param {Array<Object>} collection\n * @param {Object} element\n * @param {Number} idx\n */\nmodule.exports.add = function(collection, element, idx) {\n\n if (!collection || !element) {\n return;\n }\n\n if (typeof idx !== 'number') {\n idx = -1;\n }\n\n var currentIdx = collection.indexOf(element);\n\n if (currentIdx !== -1) {\n\n if (currentIdx === idx) {\n // nothing to do, position has not changed\n return;\n } else {\n\n if (idx !== -1) {\n // remove from current position\n collection.splice(currentIdx, 1);\n } else {\n // already exists in collection\n return;\n }\n }\n }\n\n if (idx !== -1) {\n // insert at specified position\n collection.splice(idx, 0, element);\n } else {\n // push to end\n collection.push(element);\n }\n};\n\n\n/**\n * Fail save get the index of an element in a collection.\n *\n * @param {Array<Object>} collection\n * @param {Object} element\n *\n * @return {Number} the index or -1 if collection or element do\n * not exist or the element is not contained.\n */\nmodule.exports.indexOf = function(collection, element) {\n\n if (!collection || !element) {\n return -1;\n }\n\n return collection.indexOf(element);\n};\n","'use strict';\n\nvar domClasses = require(390);\n\nvar CURSOR_CLS_PATTERN = /^djs-cursor-.*$/;\n\n\nmodule.exports.set = function(mode) {\n var classes = domClasses(document.body);\n\n classes.removeMatching(CURSOR_CLS_PATTERN);\n\n if (mode) {\n classes.add('djs-cursor-' + mode);\n }\n};\n\nmodule.exports.unset = function() {\n this.set(null);\n};\n\nmodule.exports.has = function(mode) {\n var classes = domClasses(document.body);\n\n return classes.has('djs-cursor-' + mode);\n};\n","'use strict';\n\nvar isArray = require(368),\n isNumber = require(371),\n groupBy = require(256),\n forEach = require(255);\n\n/**\n * Adds an element to a collection and returns true if the\n * element was added.\n *\n * @param {Array<Object>} elements\n * @param {Object} e\n * @param {Boolean} unique\n */\nfunction add(elements, e, unique) {\n var canAdd = !unique || elements.indexOf(e) === -1;\n\n if (canAdd) {\n elements.push(e);\n }\n\n return canAdd;\n}\n\n/**\n * Iterate over each element in a collection, calling the iterator function `fn`\n * with (element, index, recursionDepth).\n *\n * Recurse into all elements that are returned by `fn`.\n *\n * @param {Object|Array<Object>} elements\n * @param {Function} fn iterator function called with (element, index, recursionDepth)\n * @param {Number} [depth] maximum recursion depth\n */\nfunction eachElement(elements, fn, depth) {\n\n depth = depth || 0;\n\n if (!isArray(elements)) {\n elements = [ elements ];\n }\n\n forEach(elements, function(s, i) {\n var filter = fn(s, i, depth);\n\n if (isArray(filter) && filter.length) {\n eachElement(filter, fn, depth + 1);\n }\n });\n}\n\n/**\n * Collects self + child elements up to a given depth from a list of elements.\n *\n * @param {djs.model.Base|Array<djs.model.Base>} elements the elements to select the children from\n * @param {Boolean} unique whether to return a unique result set (no duplicates)\n * @param {Number} maxDepth the depth to search through or -1 for infinite\n *\n * @return {Array<djs.model.Base>} found elements\n */\nfunction selfAndChildren(elements, unique, maxDepth) {\n var result = [],\n processedChildren = [];\n\n eachElement(elements, function(element, i, depth) {\n add(result, element, unique);\n\n var children = element.children;\n\n // max traversal depth not reached yet\n if (maxDepth === -1 || depth < maxDepth) {\n\n // children exist && children not yet processed\n if (children && add(processedChildren, children, unique)) {\n return children;\n }\n }\n });\n\n return result;\n}\n\n/**\n * Return self + direct children for a number of elements\n *\n * @param {Array<djs.model.Base>} elements to query\n * @param {Boolean} allowDuplicates to allow duplicates in the result set\n *\n * @return {Array<djs.model.Base>} the collected elements\n */\nfunction selfAndDirectChildren(elements, allowDuplicates) {\n return selfAndChildren(elements, !allowDuplicates, 1);\n}\n\n/**\n * Return self + ALL children for a number of elements\n *\n * @param {Array<djs.model.Base>} elements to query\n * @param {Boolean} allowDuplicates to allow duplicates in the result set\n *\n * @return {Array<djs.model.Base>} the collected elements\n */\nfunction selfAndAllChildren(elements, allowDuplicates) {\n return selfAndChildren(elements, !allowDuplicates, -1);\n}\n\n/**\n * Gets the the closure for all selected elements,\n * their connections and their attachment's connections\n *\n * @param {Array<djs.model.Base>} elements\n * @return {Object} enclosure\n */\nfunction getClosure(elements) {\n\n // original elements passed to this function\n var topLevel = groupBy(elements, function(e) { return e.id; });\n\n var allShapes = {},\n allConnections = {},\n enclosedElements = {},\n enclosedConnections = {};\n\n function handleConnection(c) {\n if (topLevel[c.source.id] && topLevel[c.target.id]) {\n topLevel[c.id] = c;\n }\n\n // not enclosed as a child, but maybe logically\n // (connecting two moved elements?)\n if (allShapes[c.source.id] && allShapes[c.target.id]) {\n enclosedConnections[c.id] = enclosedElements[c.id] = c;\n }\n\n allConnections[c.id] = c;\n }\n\n function handleElement(element) {\n\n enclosedElements[element.id] = element;\n\n if (element.waypoints) {\n // remember connection\n enclosedConnections[element.id] = allConnections[element.id] = element;\n } else {\n // remember shape\n allShapes[element.id] = element;\n\n // remember all connections\n forEach(element.incoming, handleConnection);\n\n forEach(element.outgoing, handleConnection);\n\n // recurse into children\n return element.children;\n }\n }\n\n eachElement(elements, handleElement);\n\n return {\n allShapes: allShapes,\n allConnections: allConnections,\n topLevel: topLevel,\n enclosedConnections: enclosedConnections,\n enclosedElements: enclosedElements\n };\n}\n\n/**\n * Returns the surrounding bbox for all elements in the array or the element primitive.\n */\nfunction getBBox(elements, stopRecursion) {\n\n stopRecursion = !!stopRecursion;\n if (!isArray(elements)) {\n elements = [elements];\n }\n\n var minX,\n minY,\n maxX,\n maxY;\n\n forEach(elements, function(element) {\n\n // If element is a connection the bbox must be computed first\n var bbox = element;\n if (element.waypoints && !stopRecursion) {\n bbox = getBBox(element.waypoints, true);\n }\n\n var x = bbox.x,\n y = bbox.y,\n height = bbox.height || 0,\n width = bbox.width || 0;\n\n if (x < minX || minX === undefined) {\n minX = x;\n }\n if (y < minY || minY === undefined) {\n minY = y;\n }\n\n if ((x + width) > maxX || maxX === undefined) {\n maxX = x + width;\n }\n if ((y + height) > maxY || maxY === undefined) {\n maxY = y + height;\n }\n });\n\n return {\n x: minX,\n y: minY,\n height: maxY - minY,\n width: maxX - minX\n };\n}\n\n\n/**\n * Returns all elements that are enclosed from the bounding box.\n *\n * @param {Array<Object>} elements List of Elements to search through\n * @param {Object} bbox the enclosing bbox.\n * <ul>\n * <li>If bbox.(width|height) is not specified\n * the method returns all elements with element.x/y &gt; bbox.x/y\n * </li>\n * <li>If only bbox.x or bbox.y is specified, method return all elements with\n * e.x &gt; bbox.x or e.y &gt; bbox.y.</li>\n * </ul>\n *\n */\nfunction getEnclosedElements(elements, bbox) {\n\n var filteredElements = {};\n\n forEach(elements, function(element) {\n\n var e = element;\n\n if (e.waypoints) {\n e = getBBox(e);\n }\n\n if (!isNumber(bbox.y) && (e.x > bbox.x)) {\n filteredElements[element.id] = element;\n }\n if (!isNumber(bbox.x) && (e.y > bbox.y)) {\n filteredElements[element.id] = element;\n }\n if (e.x > bbox.x && e.y > bbox.y) {\n if (isNumber(bbox.width) && isNumber(bbox.height) &&\n e.width + e.x < bbox.width + bbox.x &&\n e.height + e.y < bbox.height + bbox.y) {\n\n filteredElements[element.id] = element;\n } else if (!isNumber(bbox.width) || !isNumber(bbox.height)) {\n filteredElements[element.id] = element;\n }\n }\n });\n\n return filteredElements;\n}\n\n\n\nmodule.exports.eachElement = eachElement;\nmodule.exports.selfAndDirectChildren = selfAndDirectChildren;\nmodule.exports.selfAndAllChildren = selfAndAllChildren;\nmodule.exports.getBBox = getBBox;\nmodule.exports.getEnclosedElements = getEnclosedElements;\n\nmodule.exports.getClosure = getClosure;\n\n\nfunction getElementType(element) {\n\n if ('waypoints' in element) {\n return 'connection';\n }\n\n if ('x' in element) {\n return 'shape';\n }\n\n return 'root';\n}\n\nmodule.exports.getType = getElementType;","'use strict';\n\nfunction __preventDefault(event) {\n return event && event.preventDefault();\n}\n\nfunction __stopPropagation(event, immediate) {\n if (!event) {\n return;\n }\n\n if (event.stopPropagation) {\n event.stopPropagation();\n }\n\n if (immediate && event.stopImmediatePropagation) {\n event.stopImmediatePropagation();\n }\n}\n\n\nfunction getOriginal(event) {\n return event.originalEvent || event.srcEvent;\n}\n\nmodule.exports.getOriginal = getOriginal;\n\n\nfunction stopEvent(event, immediate) {\n stopPropagation(event, immediate);\n preventDefault(event);\n}\n\nmodule.exports.stopEvent = stopEvent;\n\n\nfunction preventDefault(event) {\n __preventDefault(event);\n __preventDefault(getOriginal(event));\n}\n\nmodule.exports.preventDefault = preventDefault;\n\n\nfunction stopPropagation(event, immediate) {\n __stopPropagation(event, immediate);\n __stopPropagation(getOriginal(event), immediate);\n}\n\nmodule.exports.stopPropagation = stopPropagation;\n\n\nfunction toPoint(event) {\n\n if (event.pointers && event.pointers.length) {\n event = event.pointers[0];\n }\n\n if (event.touches && event.touches.length) {\n event = event.touches[0];\n }\n\n return event ? {\n x: event.clientX,\n y: event.clientY\n } : null;\n}\n\nmodule.exports.toPoint = toPoint;\n","'use strict';\n\n/**\n * Computes the distance between two points\n *\n * @param {Point} p\n * @param {Point} q\n *\n * @return {Number} distance\n */\nfunction pointDistance(a, b) {\n return Math.sqrt(Math.pow(a.x - b.x, 2) + Math.pow(a.y - b.y, 2));\n}\n\nmodule.exports.pointDistance = pointDistance;\n\n\n/**\n * Returns true if the point r is on the line between p and y\n *\n * @param {Point} p\n * @param {Point} q\n * @param {Point} r\n *\n * @return {Boolean}\n */\nmodule.exports.pointsOnLine = function(p, q, r) {\n\n if (!p || !q || !r) {\n return false;\n }\n\n var val = (q.x - p.x) * (r.y - p.y) - (q.y - p.y) * (r.x - p.x),\n dist = pointDistance(p, q);\n\n // @see http://stackoverflow.com/a/907491/412190\n return Math.abs(val / dist) < 5;\n};\n\n\nvar ALIGNED_THRESHOLD = 2;\n\n/**\n * Returns whether two points are in a horizontal or vertical line.\n *\n * @param {Point} a\n * @param {Point} b\n *\n * @return {String|Boolean} returns false if the points are not\n * aligned or 'h|v' if they are aligned\n * horizontally / vertically.\n */\nfunction pointsAligned(a, b) {\n if (Math.abs(a.x - b.x) <= ALIGNED_THRESHOLD) {\n return 'h';\n }\n\n if (Math.abs(a.y - b.y) <= ALIGNED_THRESHOLD) {\n return 'v';\n }\n\n return false;\n}\n\nmodule.exports.pointsAligned = pointsAligned;\n\n\n/**\n * Returns true if the point p is inside the rectangle rect\n *\n * @param {Point} p\n * @param {Rect} rect\n * @param {Number} tolerance\n *\n * @return {Boolean}\n */\nmodule.exports.pointInRect = function(p, rect, tolerance) {\n tolerance = tolerance || 0;\n\n return p.x > rect.x - tolerance &&\n p.y > rect.y - tolerance &&\n p.x < rect.x + rect.width + tolerance &&\n p.y < rect.y + rect.height + tolerance;\n};\n\n/**\n * Returns a point in the middle of points p and q\n *\n * @param {Point} p\n * @param {Point} q\n *\n * @return {Point} middle point\n */\nmodule.exports.getMidPoint = function(p, q) {\n return {\n x: Math.round(p.x + ((q.x - p.x) / 2.0)),\n y: Math.round(p.y + ((q.y - p.y) / 2.0))\n };\n};\n","'use strict';\n\n/**\n * SVGs for elements are generated by the {@link GraphicsFactory}.\n *\n * This utility gives quick access to the important semantic\n * parts of an element.\n */\n\n/**\n * Returns the visual part of a diagram element\n *\n * @param {Snap<SVGElement>} gfx\n *\n * @return {Snap<SVGElement>}\n */\nfunction getVisual(gfx) {\n return gfx.select('.djs-visual');\n}\n\n/**\n * Returns the children for a given diagram element.\n *\n * @param {Snap<SVGElement>} gfx\n * @return {Snap<SVGElement>}\n */\nfunction getChildren(gfx) {\n return gfx.parent().children()[1];\n}\n\n/**\n * Returns the visual bbox of an element\n *\n * @param {Snap<SVGElement>} gfx\n *\n * @return {Bounds}\n */\nfunction getBBox(gfx) {\n return getVisual(gfx).select('*').getBBox();\n}\n\n\nmodule.exports.getVisual = getVisual;\nmodule.exports.getChildren = getChildren;\nmodule.exports.getBBox = getBBox;","'use strict';\n\n/**\n * Util that provides unique IDs.\n *\n * @class djs.util.IdGenerator\n * @constructor\n * @memberOf djs.util\n *\n * The ids can be customized via a given prefix and contain a random value to avoid collisions.\n *\n * @param {String} prefix a prefix to prepend to generated ids (for better readability)\n */\nfunction IdGenerator(prefix) {\n\n this._counter = 0;\n this._prefix = (prefix ? prefix + '-' : '') + Math.floor(Math.random() * 1000000000) + '-';\n}\n\nmodule.exports = IdGenerator;\n\n/**\n * Returns a next unique ID.\n *\n * @method djs.util.IdGenerator#next\n *\n * @returns {String} the id\n */\nIdGenerator.prototype.next = function() {\n return this._prefix + (++this._counter);\n};\n","'use strict';\n\nvar pointDistance = require(223).pointDistance;\n\nvar Snap = require(240);\n\nvar round = Math.round,\n max = Math.max;\n\n\nfunction circlePath(center, r) {\n var x = center.x,\n y = center.y;\n\n return [\n ['M', x, y],\n ['m', 0, -r],\n ['a', r, r, 0, 1, 1, 0, 2 * r],\n ['a', r, r, 0, 1, 1, 0, -2 * r],\n ['z']\n ];\n}\n\nfunction linePath(points) {\n var segments = [];\n\n points.forEach(function(p, idx) {\n segments.push([ idx === 0 ? 'M' : 'L', p.x, p.y ]);\n });\n\n return segments;\n}\n\n\nvar INTERSECTION_THRESHOLD = 10;\n\nfunction getBendpointIntersection(waypoints, reference) {\n\n var i, w;\n\n for (i = 0; !!(w = waypoints[i]); i++) {\n\n if (pointDistance(w, reference) <= INTERSECTION_THRESHOLD) {\n return {\n point: waypoints[i],\n bendpoint: true,\n index: i\n };\n }\n }\n\n return null;\n}\n\nfunction getPathIntersection(waypoints, reference) {\n\n var intersections = Snap.path.intersection(circlePath(reference, INTERSECTION_THRESHOLD), linePath(waypoints));\n\n var a = intersections[0],\n b = intersections[intersections.length - 1],\n idx;\n\n if (!a) {\n // no intersection\n return null;\n }\n\n if (a !== b) {\n\n if (a.segment2 !== b.segment2) {\n // we use the bendpoint in between both segments\n // as the intersection point\n\n idx = max(a.segment2, b.segment2) - 1;\n\n return {\n point: waypoints[idx],\n bendpoint: true,\n index: idx\n };\n }\n\n return {\n point: {\n x: (round(a.x + b.x) / 2),\n y: (round(a.y + b.y) / 2)\n },\n index: a.segment2\n };\n }\n\n return {\n point: {\n x: round(a.x),\n y: round(a.y)\n },\n index: a.segment2\n };\n}\n\n/**\n * Returns the closest point on the connection towards a given reference point.\n *\n * @param {Array<Point>} waypoints\n * @param {Point} reference\n *\n * @return {Object} intersection data (segment, point)\n */\nmodule.exports.getApproxIntersection = function(waypoints, reference) {\n return getBendpointIntersection(waypoints, reference) || getPathIntersection(waypoints, reference);\n};","'use strict';\n\n/**\n * Get the logarithm of x with base 10\n * @param {Integer} value\n */\nfunction log10(x) {\n return Math.log(x) / Math.log(10);\n}\n\nmodule.exports.log10 = log10;\n\n\nfunction substract(p1, p2) {\n return {\n x: p1.x - p2.x,\n y: p1.y - p2.y\n };\n}\n\nmodule.exports.substract = substract;\n","'use strict';\n\nvar getOriginalEvent = require(222).getOriginal;\n\nvar isMac = require(229).isMac;\n\n\nfunction isPrimaryButton(event) {\n // button === 0 -> left áka primary mouse button\n return !(getOriginalEvent(event) || event).button;\n}\n\nmodule.exports.isPrimaryButton = isPrimaryButton;\n\nmodule.exports.isMac = isMac;\n\nmodule.exports.hasPrimaryModifier = function(event) {\n var originalEvent = getOriginalEvent(event) || event;\n\n if (!isPrimaryButton(event)) {\n return false;\n }\n\n // Use alt as primary modifier key for mac OS\n if (isMac()) {\n return originalEvent.altKey;\n } else {\n return originalEvent.ctrlKey;\n }\n};\n\n\nmodule.exports.hasSecondaryModifier = function(event) {\n var originalEvent = getOriginalEvent(event) || event;\n\n return isPrimaryButton(event) && originalEvent.shiftKey;\n};\n","'use strict';\n\nmodule.exports.isMac = function isMac() {\n return (/mac/i).test(navigator.platform);\n};","'use strict';\n\n\n/**\n * Remove from the beginning of a collection until it is empty.\n *\n * This is a null-safe operation that ensures elements\n * are being removed from the given collection until the\n * collection is empty.\n *\n * The implementation deals with the fact that a remove operation\n * may touch, i.e. remove multiple elements in the collection\n * at a time.\n *\n * @param {Array<Object>} [collection]\n * @param {Function} removeFn\n *\n * @return {Array<Object>} the cleared collection\n */\nmodule.exports.saveClear = function(collection, removeFn) {\n\n if (typeof removeFn !== 'function') {\n throw new Error('removeFn iterator must be a function');\n }\n\n if (!collection) {\n return;\n }\n\n var e;\n\n while (!!(e = collection[0])) {\n removeFn(e);\n }\n\n return collection;\n};\n","'use strict';\n\nvar Snap = require(240);\n\n\nmodule.exports.componentsToPath = function(elements) {\n return elements.join(',').replace(/,?([A-z]),?/g, '$1');\n};\n\nfunction toSVGPoints(points) {\n var result = '';\n\n for (var i = 0, p; !!(p = points[i]); i++) {\n result += p.x + ',' + p.y + ' ';\n }\n\n return result;\n}\n\nmodule.exports.toSVGPoints = toSVGPoints;\n\nmodule.exports.createLine = function(points, attrs) {\n return Snap.create('polyline', { points: toSVGPoints(points) }).attr(attrs || {});\n};\n\nmodule.exports.updateLine = function(gfx, points) {\n return gfx.attr({ points: toSVGPoints(points) });\n};\n","'use strict';\n\nvar isObject = require(372),\n assign = require(377),\n pick = require(383),\n forEach = require(255),\n reduce = require(259),\n merge = require(380);\n\nvar Snap = require(240);\n\nvar DEFAULT_BOX_PADDING = 0;\n\nvar DEFAULT_LABEL_SIZE = {\n width: 150,\n height: 50\n};\n\n\nfunction parseAlign(align) {\n\n var parts = align.split('-');\n\n return {\n horizontal: parts[0] || 'center',\n vertical: parts[1] || 'top'\n };\n}\n\nfunction parsePadding(padding) {\n\n if (isObject(padding)) {\n return assign({ top: 0, left: 0, right: 0, bottom: 0 }, padding);\n } else {\n return {\n top: padding,\n left: padding,\n right: padding,\n bottom: padding\n };\n }\n}\n\nfunction getTextBBox(text, fakeText) {\n fakeText.textContent = text;\n return pick(fakeText.getBBox(), [ 'width', 'height' ]);\n}\n\n\n/**\n * Layout the next line and return the layouted element.\n *\n * Alters the lines passed.\n *\n * @param {Array<String>} lines\n * @return {Object} the line descriptor, an object { width, height, text }\n */\nfunction layoutNext(lines, maxWidth, fakeText) {\n\n var originalLine = lines.shift(),\n fitLine = originalLine;\n\n var textBBox;\n\n while (true) {\n textBBox = getTextBBox(fitLine, fakeText);\n\n textBBox.width = fitLine ? textBBox.width : 0;\n\n // try to fit\n if (fitLine === ' ' || fitLine === '' || textBBox.width < Math.round(maxWidth) || fitLine.length < 4) {\n return fit(lines, fitLine, originalLine, textBBox);\n }\n\n fitLine = shortenLine(fitLine, textBBox.width, maxWidth);\n }\n}\n\nfunction fit(lines, fitLine, originalLine, textBBox) {\n if (fitLine.length < originalLine.length) {\n var nextLine = lines[0] || '',\n remainder = originalLine.slice(fitLine.length).trim();\n\n if (/-/s*$/.test(remainder)) {\n nextLine = remainder.replace(/-/s*$/, '') + nextLine.replace(/^/s+/, '');\n } else {\n nextLine = remainder + ' ' + nextLine;\n }\n\n lines[0] = nextLine;\n }\n return { width: textBBox.width, height: textBBox.height, text: fitLine };\n}\n\n\n/**\n * Shortens a line based on spacing and hyphens.\n * Returns the shortened result on success.\n *\n * @param {String} line\n * @param {Number} maxLength the maximum characters of the string\n * @return {String} the shortened string\n */\nfunction semanticShorten(line, maxLength) {\n var parts = line.split(/(/s|-)/g),\n part,\n shortenedParts = [],\n length = 0;\n\n // try to shorten via spaces + hyphens\n if (parts.length > 1) {\n while ((part = parts.shift())) {\n if (part.length + length < maxLength) {\n shortenedParts.push(part);\n length += part.length;\n } else {\n // remove previous part, too if hyphen does not fit anymore\n if (part === '-') {\n shortenedParts.pop();\n }\n\n break;\n }\n }\n }\n\n return shortenedParts.join('');\n}\n\n\nfunction shortenLine(line, width, maxWidth) {\n var length = Math.max(line.length * (maxWidth / width), 1);\n\n // try to shorten semantically (i.e. based on spaces and hyphens)\n var shortenedLine = semanticShorten(line, length);\n\n if (!shortenedLine) {\n\n // force shorten by cutting the long word\n shortenedLine = line.slice(0, Math.max(Math.round(length - 1), 1));\n }\n\n return shortenedLine;\n}\n\n\n/**\n * Creates a new label utility\n *\n * @param {Object} config\n * @param {Dimensions} config.size\n * @param {Number} config.padding\n * @param {Object} config.style\n * @param {String} config.align\n */\nfunction Text(config) {\n\n this._config = assign({}, {\n size: DEFAULT_LABEL_SIZE,\n padding: DEFAULT_BOX_PADDING,\n style: {},\n align: 'center-top'\n }, config || {});\n}\n\n\n/**\n * Create a label in the parent node.\n *\n * @method Text#createText\n *\n * @param {SVGElement} parent the parent to draw the label on\n * @param {String} text the text to render on the label\n * @param {Object} options\n * @param {String} options.align how to align in the bounding box.\n * Any of { 'center-middle', 'center-top' }, defaults to 'center-top'.\n * @param {String} options.style style to be applied to the text\n *\n * @return {SVGText} the text element created\n */\nText.prototype.createText = function(parent, text, options) {\n\n var box = merge({}, this._config.size, options.box || {}),\n style = merge({}, this._config.style, options.style || {}),\n align = parseAlign(options.align || this._config.align),\n padding = parsePadding(options.padding !== undefined ? options.padding : this._config.padding);\n\n var lines = text.split(//r?/n/g),\n layouted = [];\n\n var maxWidth = box.width - padding.left - padding.right;\n\n // FF regression: ensure text is shown during rendering\n // by attaching it directly to the body\n var fakeText = parent.paper.text(0, 0, '').attr(style).node;\n\n while (lines.length) {\n layouted.push(layoutNext(lines, maxWidth, fakeText));\n }\n\n var totalHeight = reduce(layouted, function(sum, line, idx) {\n return sum + line.height;\n }, 0);\n\n // the y position of the next line\n var y, x;\n\n switch (align.vertical) {\n case 'middle':\n y = (box.height - totalHeight) / 2 - layouted[0].height / 4;\n break;\n\n default:\n y = padding.top;\n }\n\n var textElement = parent.text().attr(style);\n\n forEach(layouted, function(line) {\n y += line.height;\n\n switch (align.horizontal) {\n case 'left':\n x = padding.left;\n break;\n\n case 'right':\n x = (maxWidth - padding.right - line.width);\n break;\n\n default:\n // aka center\n x = Math.max(((maxWidth - line.width) / 2 + padding.left), 0);\n }\n\n\n var tspan = Snap.create('tspan', { x: x, y: y }).node;\n tspan.textContent = line.text;\n\n textElement.append(tspan);\n });\n\n // remove fake text\n fakeText.parentNode.removeChild(fakeText);\n\n return textElement;\n};\n\n\nmodule.exports = Text;\n","\nvar isArray = function(obj) {\n return Object.prototype.toString.call(obj) === '[object Array]';\n};\n\nvar annotate = function() {\n var args = Array.prototype.slice.call(arguments);\n \n if (args.length === 1 && isArray(args[0])) {\n args = args[0];\n }\n\n var fn = args.pop();\n\n fn.$inject = args;\n\n return fn;\n};\n\n\n// Current limitations:\n// - can't put into \"function arg\" comments\n// function /* (no parenthesis like this) */ (){}\n// function abc( /* xx (no parenthesis like this) */ a, b) {}\n//\n// Just put the comment before function or inside:\n// /* (((this is fine))) */ function(a, b) {}\n// function abc(a) { /* (((this is fine))) */}\n\nvar FN_ARGS = /^function/s*[^/(]*/(/s*([^/)]*)/)/m;\nvar FN_ARG = ////*([^/*]*)/*///m;\n\nvar parse = function(fn) {\n if (typeof fn !== 'function') {\n throw new Error('Cannot annotate \"' + fn + '\". Expected a function!');\n }\n\n var match = fn.toString().match(FN_ARGS);\n return match[1] && match[1].split(',').map(function(arg) {\n match = arg.match(FN_ARG);\n return match ? match[1].trim() : arg.trim();\n }) || [];\n};\n\n\nexports.annotate = annotate;\nexports.parse = parse;\nexports.isArray = isArray;\n","module.exports = {\n annotate: require(233).annotate,\n Module: require(236),\n Injector: require(235)\n};\n","var Module = require(236);\nvar autoAnnotate = require(233).parse;\nvar annotate = require(233).annotate;\nvar isArray = require(233).isArray;\n\n\nvar Injector = function(modules, parent) {\n parent = parent || {\n get: function(name, strict) {\n currentlyResolving.push(name);\n\n if (strict === false) {\n return null;\n } else {\n throw error('No provider for \"' + name + '\"!');\n }\n }\n };\n\n var currentlyResolving = [];\n var providers = this._providers = Object.create(parent._providers || null);\n var instances = this._instances = Object.create(null);\n\n var self = instances.injector = this;\n\n var error = function(msg) {\n var stack = currentlyResolving.join(' -> ');\n currentlyResolving.length = 0;\n return new Error(stack ? msg + ' (Resolving: ' + stack + ')' : msg);\n };\n\n /**\n * Return a named service.\n *\n * @param {String} name\n * @param {Boolean} [strict=true] if false, resolve missing services to null\n *\n * @return {Object}\n */\n var get = function(name, strict) {\n if (!providers[name] && name.indexOf('.') !== -1) {\n var parts = name.split('.');\n var pivot = get(parts.shift());\n\n while(parts.length) {\n pivot = pivot[parts.shift()];\n }\n\n return pivot;\n }\n\n if (Object.hasOwnProperty.call(instances, name)) {\n return instances[name];\n }\n\n if (Object.hasOwnProperty.call(providers, name)) {\n if (currentlyResolving.indexOf(name) !== -1) {\n currentlyResolving.push(name);\n throw error('Cannot resolve circular dependency!');\n }\n\n currentlyResolving.push(name);\n instances[name] = providers[name][0](providers[name][1]);\n currentlyResolving.pop();\n\n return instances[name];\n }\n\n return parent.get(name, strict);\n };\n\n var instantiate = function(Type) {\n var instance = Object.create(Type.prototype);\n var returned = invoke(Type, instance);\n\n return typeof returned === 'object' ? returned : instance;\n };\n\n var invoke = function(fn, context) {\n if (typeof fn !== 'function') {\n if (isArray(fn)) {\n fn = annotate(fn.slice());\n } else {\n throw new Error('Cannot invoke \"' + fn + '\". Expected a function!');\n }\n }\n\n var inject = fn.$inject && fn.$inject || autoAnnotate(fn);\n var dependencies = inject.map(function(dep) {\n return get(dep);\n });\n\n // TODO(vojta): optimize without apply\n return fn.apply(context, dependencies);\n };\n\n\n var createPrivateInjectorFactory = function(privateChildInjector) {\n return annotate(function(key) {\n return privateChildInjector.get(key);\n });\n };\n\n var createChild = function(modules, forceNewInstances) {\n if (forceNewInstances && forceNewInstances.length) {\n var fromParentModule = Object.create(null);\n var matchedScopes = Object.create(null);\n\n var privateInjectorsCache = [];\n var privateChildInjectors = [];\n var privateChildFactories = [];\n\n var provider;\n var cacheIdx;\n var privateChildInjector;\n var privateChildInjectorFactory;\n for (var name in providers) {\n provider = providers[name];\n\n if (forceNewInstances.indexOf(name) !== -1) {\n if (provider[2] === 'private') {\n cacheIdx = privateInjectorsCache.indexOf(provider[3]);\n if (cacheIdx === -1) {\n privateChildInjector = provider[3].createChild([], forceNewInstances);\n privateChildInjectorFactory = createPrivateInjectorFactory(privateChildInjector);\n privateInjectorsCache.push(provider[3]);\n privateChildInjectors.push(privateChildInjector);\n privateChildFactories.push(privateChildInjectorFactory);\n fromParentModule[name] = [privateChildInjectorFactory, name, 'private', privateChildInjector];\n } else {\n fromParentModule[name] = [privateChildFactories[cacheIdx], name, 'private', privateChildInjectors[cacheIdx]];\n }\n } else {\n fromParentModule[name] = [provider[2], provider[1]];\n }\n matchedScopes[name] = true;\n }\n\n if ((provider[2] === 'factory' || provider[2] === 'type') && provider[1].$scope) {\n forceNewInstances.forEach(function(scope) {\n if (provider[1].$scope.indexOf(scope) !== -1) {\n fromParentModule[name] = [provider[2], provider[1]];\n matchedScopes[scope] = true;\n }\n });\n }\n }\n\n forceNewInstances.forEach(function(scope) {\n if (!matchedScopes[scope]) {\n throw new Error('No provider for \"' + scope + '\". Cannot use provider from the parent!');\n }\n });\n\n modules.unshift(fromParentModule);\n }\n\n return new Injector(modules, self);\n };\n\n var factoryMap = {\n factory: invoke,\n type: instantiate,\n value: function(value) {\n return value;\n }\n };\n\n modules.forEach(function(module) {\n\n function arrayUnwrap(type, value) {\n if (type !== 'value' && isArray(value)) {\n value = annotate(value.slice());\n }\n\n return value;\n }\n\n // TODO(vojta): handle wrong inputs (modules)\n if (module instanceof Module) {\n module.forEach(function(provider) {\n var name = provider[0];\n var type = provider[1];\n var value = provider[2];\n\n providers[name] = [factoryMap[type], arrayUnwrap(type, value), type];\n });\n } else if (typeof module === 'object') {\n if (module.__exports__) {\n var clonedModule = Object.keys(module).reduce(function(m, key) {\n if (key.substring(0, 2) !== '__') {\n m[key] = module[key];\n }\n return m;\n }, Object.create(null));\n\n var privateInjector = new Injector((module.__modules__ || []).concat([clonedModule]), self);\n var getFromPrivateInjector = annotate(function(key) {\n return privateInjector.get(key);\n });\n module.__exports__.forEach(function(key) {\n providers[key] = [getFromPrivateInjector, key, 'private', privateInjector];\n });\n } else {\n Object.keys(module).forEach(function(name) {\n if (module[name][2] === 'private') {\n providers[name] = module[name];\n return;\n }\n\n var type = module[name][0];\n var value = module[name][1];\n\n providers[name] = [factoryMap[type], arrayUnwrap(type, value), type];\n });\n }\n }\n });\n\n // public API\n this.get = get;\n this.invoke = invoke;\n this.instantiate = instantiate;\n this.createChild = createChild;\n};\n\nmodule.exports = Injector;\n","var Module = function() {\n var providers = [];\n\n this.factory = function(name, factory) {\n providers.push([name, 'factory', factory]);\n return this;\n };\n\n this.value = function(name, value) {\n providers.push([name, 'value', value]);\n return this;\n };\n\n this.type = function(name, type) {\n providers.push([name, 'type', type]);\n return this;\n };\n\n this.forEach = function(iterator) {\n providers.forEach(iterator);\n };\n};\n\nmodule.exports = Module;\n","// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n// ┌────────────────────────────────────────────────────────────┐ //\n// │ Eve 0.4.2 - JavaScript Events Library │ //\n// ├────────────────────────────────────────────────────────────┤ //\n// │ Author Dmitry Baranovskiy (http://dmitry.baranovskiy.com/) │ //\n// └────────────────────────────────────────────────────────────┘ //\n\n(function (glob) {\n var version = \"0.4.2\",\n has = \"hasOwnProperty\",\n separator = /[/.//]/,\n comaseparator = //s*,/s*/,\n wildcard = \"*\",\n fun = function () {},\n numsort = function (a, b) {\n return a - b;\n },\n current_event,\n stop,\n events = {n: {}},\n firstDefined = function () {\n for (var i = 0, ii = this.length; i < ii; i++) {\n if (typeof this[i] != \"undefined\") {\n return this[i];\n }\n }\n },\n lastDefined = function () {\n var i = this.length;\n while (--i) {\n if (typeof this[i] != \"undefined\") {\n return this[i];\n }\n }\n },\n /*/\n * eve\n [ method ]\n\n * Fires event with given `name`, given scope and other parameters.\n\n > Arguments\n\n - name (string) name of the *event*, dot (`.`) or slash (`/`) separated\n - scope (object) context for the event handlers\n - varargs (...) the rest of arguments will be sent to event handlers\n\n = (object) array of returned values from the listeners. Array has two methods `.firstDefined()` and `.lastDefined()` to get first or last not `undefined` value.\n /*/\n eve = function (name, scope) {\n name = String(name);\n var e = events,\n oldstop = stop,\n args = Array.prototype.slice.call(arguments, 2),\n listeners = eve.listeners(name),\n z = 0,\n f = false,\n l,\n indexed = [],\n queue = {},\n out = [],\n ce = current_event,\n errors = [];\n out.firstDefined = firstDefined;\n out.lastDefined = lastDefined;\n current_event = name;\n stop = 0;\n for (var i = 0, ii = listeners.length; i < ii; i++) if (\"zIndex\" in listeners[i]) {\n indexed.push(listeners[i].zIndex);\n if (listeners[i].zIndex < 0) {\n queue[listeners[i].zIndex] = listeners[i];\n }\n }\n indexed.sort(numsort);\n while (indexed[z] < 0) {\n l = queue[indexed[z++]];\n out.push(l.apply(scope, args));\n if (stop) {\n stop = oldstop;\n return out;\n }\n }\n for (i = 0; i < ii; i++) {\n l = listeners[i];\n if (\"zIndex\" in l) {\n if (l.zIndex == indexed[z]) {\n out.push(l.apply(scope, args));\n if (stop) {\n break;\n }\n do {\n z++;\n l = queue[indexed[z]];\n l && out.push(l.apply(scope, args));\n if (stop) {\n break;\n }\n } while (l)\n } else {\n queue[l.zIndex] = l;\n }\n } else {\n out.push(l.apply(scope, args));\n if (stop) {\n break;\n }\n }\n }\n stop = oldstop;\n current_event = ce;\n return out;\n };\n // Undocumented. Debug only.\n eve._events = events;\n /*/\n * eve.listeners\n [ method ]\n\n * Internal method which gives you array of all event handlers that will be triggered by the given `name`.\n\n > Arguments\n\n - name (string) name of the event, dot (`.`) or slash (`/`) separated\n\n = (array) array of event handlers\n /*/\n eve.listeners = function (name) {\n var names = name.split(separator),\n e = events,\n item,\n items,\n k,\n i,\n ii,\n j,\n jj,\n nes,\n es = [e],\n out = [];\n for (i = 0, ii = names.length; i < ii; i++) {\n nes = [];\n for (j = 0, jj = es.length; j < jj; j++) {\n e = es[j].n;\n items = [e[names[i]], e[wildcard]];\n k = 2;\n while (k--) {\n item = items[k];\n if (item) {\n nes.push(item);\n out = out.concat(item.f || []);\n }\n }\n }\n es = nes;\n }\n return out;\n };\n \n /*/\n * eve.on\n [ method ]\n **\n * Binds given event handler with a given name. You can use wildcards “`*`” for the names:\n | eve.on(\"*.under.*\", f);\n | eve(\"mouse.under.floor\"); // triggers f\n * Use @eve to trigger the listener.\n **\n > Arguments\n **\n - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards\n - f (function) event handler function\n **\n = (function) returned function accepts a single numeric parameter that represents z-index of the handler. It is an optional feature and only used when you need to ensure that some subset of handlers will be invoked in a given order, despite of the order of assignment. \n > Example:\n | eve.on(\"mouse\", eatIt)(2);\n | eve.on(\"mouse\", scream);\n | eve.on(\"mouse\", catchIt)(1);\n * This will ensure that `catchIt` function will be called before `eatIt`.\n *\n * If you want to put your handler before non-indexed handlers, specify a negative value.\n * Note: I assume most of the time you don’t need to worry about z-index, but it’s nice to have this feature “just in case”.\n /*/\n eve.on = function (name, f) {\n name = String(name);\n if (typeof f != \"function\") {\n return function () {};\n }\n var names = name.split(comaseparator);\n for (var i = 0, ii = names.length; i < ii; i++) {\n (function (name) {\n var names = name.split(separator),\n e = events,\n exist;\n for (var i = 0, ii = names.length; i < ii; i++) {\n e = e.n;\n e = e.hasOwnProperty(names[i]) && e[names[i]] || (e[names[i]] = {n: {}});\n }\n e.f = e.f || [];\n for (i = 0, ii = e.f.length; i < ii; i++) if (e.f[i] == f) {\n exist = true;\n break;\n }\n !exist && e.f.push(f);\n }(names[i]));\n }\n return function (zIndex) {\n if (+zIndex == +zIndex) {\n f.zIndex = +zIndex;\n }\n };\n };\n /*/\n * eve.f\n [ method ]\n **\n * Returns function that will fire given event with optional arguments.\n * Arguments that will be passed to the result function will be also\n * concated to the list of final arguments.\n | el.onclick = eve.f(\"click\", 1, 2);\n | eve.on(\"click\", function (a, b, c) {\n | console.log(a, b, c); // 1, 2, [event object]\n | });\n > Arguments\n - event (string) event name\n - varargs (…) and any other arguments\n = (function) possible event handler function\n /*/\n eve.f = function (event) {\n var attrs = [].slice.call(arguments, 1);\n return function () {\n eve.apply(null, [event, null].concat(attrs).concat([].slice.call(arguments, 0)));\n };\n };\n /*/\n * eve.stop\n [ method ]\n **\n * Is used inside an event handler to stop the event, preventing any subsequent listeners from firing.\n /*/\n eve.stop = function () {\n stop = 1;\n };\n /*/\n * eve.nt\n [ method ]\n **\n * Could be used inside event handler to figure out actual name of the event.\n **\n > Arguments\n **\n - subname (string) #optional subname of the event\n **\n = (string) name of the event, if `subname` is not specified\n * or\n = (boolean) `true`, if current event’s name contains `subname`\n /*/\n eve.nt = function (subname) {\n if (subname) {\n return new RegExp(\"(?://.|///|^)\" + subname + \"(?://.|///|$)\").test(current_event);\n }\n return current_event;\n };\n /*/\n * eve.nts\n [ method ]\n **\n * Could be used inside event handler to figure out actual name of the event.\n **\n **\n = (array) names of the event\n /*/\n eve.nts = function () {\n return current_event.split(separator);\n };\n /*/\n * eve.off\n [ method ]\n **\n * Removes given function from the list of event listeners assigned to given name.\n * If no arguments specified all the events will be cleared.\n **\n > Arguments\n **\n - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards\n - f (function) event handler function\n /*/\n /*/\n * eve.unbind\n [ method ]\n **\n * See @eve.off\n /*/\n eve.off = eve.unbind = function (name, f) {\n if (!name) {\n eve._events = events = {n: {}};\n return;\n }\n var names = name.split(comaseparator);\n if (names.length > 1) {\n for (var i = 0, ii = names.length; i < ii; i++) {\n eve.off(names[i], f);\n }\n return;\n }\n names = name.split(separator);\n var e,\n key,\n splice,\n i, ii, j, jj,\n cur = [events];\n for (i = 0, ii = names.length; i < ii; i++) {\n for (j = 0; j < cur.length; j += splice.length - 2) {\n splice = [j, 1];\n e = cur[j].n;\n if (names[i] != wildcard) {\n if (e[names[i]]) {\n splice.push(e[names[i]]);\n }\n } else {\n for (key in e) if (e[has](key)) {\n splice.push(e[key]);\n }\n }\n cur.splice.apply(cur, splice);\n }\n }\n for (i = 0, ii = cur.length; i < ii; i++) {\n e = cur[i];\n while (e.n) {\n if (f) {\n if (e.f) {\n for (j = 0, jj = e.f.length; j < jj; j++) if (e.f[j] == f) {\n e.f.splice(j, 1);\n break;\n }\n !e.f.length && delete e.f;\n }\n for (key in e.n) if (e.n[has](key) && e.n[key].f) {\n var funcs = e.n[key].f;\n for (j = 0, jj = funcs.length; j < jj; j++) if (funcs[j] == f) {\n funcs.splice(j, 1);\n break;\n }\n !funcs.length && delete e.n[key].f;\n }\n } else {\n delete e.f;\n for (key in e.n) if (e.n[has](key) && e.n[key].f) {\n delete e.n[key].f;\n }\n }\n e = e.n;\n }\n }\n };\n /*/\n * eve.once\n [ method ]\n **\n * Binds given event handler with a given name to only run once then unbind itself.\n | eve.once(\"login\", f);\n | eve(\"login\"); // triggers f\n | eve(\"login\"); // no listeners\n * Use @eve to trigger the listener.\n **\n > Arguments\n **\n - name (string) name of the event, dot (`.`) or slash (`/`) separated, with optional wildcards\n - f (function) event handler function\n **\n = (function) same return function as @eve.on\n /*/\n eve.once = function (name, f) {\n var f2 = function () {\n eve.unbind(name, f2);\n return f.apply(this, arguments);\n };\n return eve.on(name, f2);\n };\n /*/\n * eve.version\n [ property (string) ]\n **\n * Current version of the library.\n /*/\n eve.version = version;\n eve.toString = function () {\n return \"You are running Eve \" + version;\n };\n (typeof module != \"undefined\" && module.exports) ? (module.exports = eve) : (typeof define === \"function\" && define.amd ? (define(\"eve\", [], function() { return eve; })) : (glob.eve = eve));\n})(this);\n","/*! Hammer.JS - v2.0.6 - 2015-12-23\n * http://hammerjs.github.io/\n *\n * Copyright (c) 2015 Jorik Tangelder;\n * Licensed under the license */\n(function(window, document, exportName, undefined) {\n 'use strict';\n\nvar VENDOR_PREFIXES = ['', 'webkit', 'Moz', 'MS', 'ms', 'o'];\nvar TEST_ELEMENT = document.createElement('div');\n\nvar TYPE_FUNCTION = 'function';\n\nvar round = Math.round;\nvar abs = Math.abs;\nvar now = Date.now;\n\n/**\n * set a timeout with a given scope\n * @param {Function} fn\n * @param {Number} timeout\n * @param {Object} context\n * @returns {number}\n */\nfunction setTimeoutContext(fn, timeout, context) {\n return setTimeout(bindFn(fn, context), timeout);\n}\n\n/**\n * if the argument is an array, we want to execute the fn on each entry\n * if it aint an array we don't want to do a thing.\n * this is used by all the methods that accept a single and array argument.\n * @param {*|Array} arg\n * @param {String} fn\n * @param {Object} [context]\n * @returns {Boolean}\n */\nfunction invokeArrayArg(arg, fn, context) {\n if (Array.isArray(arg)) {\n each(arg, context[fn], context);\n return true;\n }\n return false;\n}\n\n/**\n * walk objects and arrays\n * @param {Object} obj\n * @param {Function} iterator\n * @param {Object} context\n */\nfunction each(obj, iterator, context) {\n var i;\n\n if (!obj) {\n return;\n }\n\n if (obj.forEach) {\n obj.forEach(iterator, context);\n } else if (obj.length !== undefined) {\n i = 0;\n while (i < obj.length) {\n iterator.call(context, obj[i], i, obj);\n i++;\n }\n } else {\n for (i in obj) {\n obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj);\n }\n }\n}\n\n/**\n * wrap a method with a deprecation warning and stack trace\n * @param {Function} method\n * @param {String} name\n * @param {String} message\n * @returns {Function} A new function wrapping the supplied method.\n */\nfunction deprecate(method, name, message) {\n var deprecationMessage = 'DEPRECATED METHOD: ' + name + '/n' + message + ' AT /n';\n return function() {\n var e = new Error('get-stack-trace');\n var stack = e && e.stack ? e.stack.replace(/^[^/(]+?[/n$]/gm, '')\n .replace(/^/s+at/s+/gm, '')\n .replace(/^Object.<anonymous>/s*/(/gm, '{anonymous}()@') : 'Unknown Stack Trace';\n\n var log = window.console && (window.console.warn || window.console.log);\n if (log) {\n log.call(window.console, deprecationMessage, stack);\n }\n return method.apply(this, arguments);\n };\n}\n\n/**\n * extend object.\n * means that properties in dest will be overwritten by the ones in src.\n * @param {Object} target\n * @param {...Object} objects_to_assign\n * @returns {Object} target\n */\nvar assign;\nif (typeof Object.assign !== 'function') {\n assign = function assign(target) {\n if (target === undefined || target === null) {\n throw new TypeError('Cannot convert undefined or null to object');\n }\n\n var output = Object(target);\n for (var index = 1; index < arguments.length; index++) {\n var source = arguments[index];\n if (source !== undefined && source !== null) {\n for (var nextKey in source) {\n if (source.hasOwnProperty(nextKey)) {\n output[nextKey] = source[nextKey];\n }\n }\n }\n }\n return output;\n };\n} else {\n assign = Object.assign;\n}\n\n/**\n * extend object.\n * means that properties in dest will be overwritten by the ones in src.\n * @param {Object} dest\n * @param {Object} src\n * @param {Boolean=false} [merge]\n * @returns {Object} dest\n */\nvar extend = deprecate(function extend(dest, src, merge) {\n var keys = Object.keys(src);\n var i = 0;\n while (i < keys.length) {\n if (!merge || (merge && dest[keys[i]] === undefined)) {\n dest[keys[i]] = src[keys[i]];\n }\n i++;\n }\n return dest;\n}, 'extend', 'Use `assign`.');\n\n/**\n * merge the values from src in the dest.\n * means that properties that exist in dest will not be overwritten by src\n * @param {Object} dest\n * @param {Object} src\n * @returns {Object} dest\n */\nvar merge = deprecate(function merge(dest, src) {\n return extend(dest, src, true);\n}, 'merge', 'Use `assign`.');\n\n/**\n * simple class inheritance\n * @param {Function} child\n * @param {Function} base\n * @param {Object} [properties]\n */\nfunction inherit(child, base, properties) {\n var baseP = base.prototype,\n childP;\n\n childP = child.prototype = Object.create(baseP);\n childP.constructor = child;\n childP._super = baseP;\n\n if (properties) {\n assign(childP, properties);\n }\n}\n\n/**\n * simple function bind\n * @param {Function} fn\n * @param {Object} context\n * @returns {Function}\n */\nfunction bindFn(fn, context) {\n return function boundFn() {\n return fn.apply(context, arguments);\n };\n}\n\n/**\n * let a boolean value also be a function that must return a boolean\n * this first item in args will be used as the context\n * @param {Boolean|Function} val\n * @param {Array} [args]\n * @returns {Boolean}\n */\nfunction boolOrFn(val, args) {\n if (typeof val == TYPE_FUNCTION) {\n return val.apply(args ? args[0] || undefined : undefined, args);\n }\n return val;\n}\n\n/**\n * use the val2 when val1 is undefined\n * @param {*} val1\n * @param {*} val2\n * @returns {*}\n */\nfunction ifUndefined(val1, val2) {\n return (val1 === undefined) ? val2 : val1;\n}\n\n/**\n * addEventListener with multiple events at once\n * @param {EventTarget} target\n * @param {String} types\n * @param {Function} handler\n */\nfunction addEventListeners(target, types, handler) {\n each(splitStr(types), function(type) {\n target.addEventListener(type, handler, false);\n });\n}\n\n/**\n * removeEventListener with multiple events at once\n * @param {EventTarget} target\n * @param {String} types\n * @param {Function} handler\n */\nfunction removeEventListeners(target, types, handler) {\n each(splitStr(types), function(type) {\n target.removeEventListener(type, handler, false);\n });\n}\n\n/**\n * find if a node is in the given parent\n * @method hasParent\n * @param {HTMLElement} node\n * @param {HTMLElement} parent\n * @return {Boolean} found\n */\nfunction hasParent(node, parent) {\n while (node) {\n if (node == parent) {\n return true;\n }\n node = node.parentNode;\n }\n return false;\n}\n\n/**\n * small indexOf wrapper\n * @param {String} str\n * @param {String} find\n * @returns {Boolean} found\n */\nfunction inStr(str, find) {\n return str.indexOf(find) > -1;\n}\n\n/**\n * split string on whitespace\n * @param {String} str\n * @returns {Array} words\n */\nfunction splitStr(str) {\n return str.trim().split(//s+/g);\n}\n\n/**\n * find if a array contains the object using indexOf or a simple polyFill\n * @param {Array} src\n * @param {String} find\n * @param {String} [findByKey]\n * @return {Boolean|Number} false when not found, or the index\n */\nfunction inArray(src, find, findByKey) {\n if (src.indexOf && !findByKey) {\n return src.indexOf(find);\n } else {\n var i = 0;\n while (i < src.length) {\n if ((findByKey && src[i][findByKey] == find) || (!findByKey && src[i] === find)) {\n return i;\n }\n i++;\n }\n return -1;\n }\n}\n\n/**\n * convert array-like objects to real arrays\n * @param {Object} obj\n * @returns {Array}\n */\nfunction toArray(obj) {\n return Array.prototype.slice.call(obj, 0);\n}\n\n/**\n * unique array with objects based on a key (like 'id') or just by the array's value\n * @param {Array} src [{id:1},{id:2},{id:1}]\n * @param {String} [key]\n * @param {Boolean} [sort=False]\n * @returns {Array} [{id:1},{id:2}]\n */\nfunction uniqueArray(src, key, sort) {\n var results = [];\n var values = [];\n var i = 0;\n\n while (i < src.length) {\n var val = key ? src[i][key] : src[i];\n if (inArray(values, val) < 0) {\n results.push(src[i]);\n }\n values[i] = val;\n i++;\n }\n\n if (sort) {\n if (!key) {\n results = results.sort();\n } else {\n results = results.sort(function sortUniqueArray(a, b) {\n return a[key] > b[key];\n });\n }\n }\n\n return results;\n}\n\n/**\n * get the prefixed property\n * @param {Object} obj\n * @param {String} property\n * @returns {String|Undefined} prefixed\n */\nfunction prefixed(obj, property) {\n var prefix, prop;\n var camelProp = property[0].toUpperCase() + property.slice(1);\n\n var i = 0;\n while (i < VENDOR_PREFIXES.length) {\n prefix = VENDOR_PREFIXES[i];\n prop = (prefix) ? prefix + camelProp : property;\n\n if (prop in obj) {\n return prop;\n }\n i++;\n }\n return undefined;\n}\n\n/**\n * get a unique id\n * @returns {number} uniqueId\n */\nvar _uniqueId = 1;\nfunction uniqueId() {\n return _uniqueId++;\n}\n\n/**\n * get the window object of an element\n * @param {HTMLElement} element\n * @returns {DocumentView|Window}\n */\nfunction getWindowForElement(element) {\n var doc = element.ownerDocument || element;\n return (doc.defaultView || doc.parentWindow || window);\n}\n\nvar MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;\n\nvar SUPPORT_TOUCH = ('ontouchstart' in window);\nvar SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !== undefined;\nvar SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(navigator.userAgent);\n\nvar INPUT_TYPE_TOUCH = 'touch';\nvar INPUT_TYPE_PEN = 'pen';\nvar INPUT_TYPE_MOUSE = 'mouse';\nvar INPUT_TYPE_KINECT = 'kinect';\n\nvar COMPUTE_INTERVAL = 25;\n\nvar INPUT_START = 1;\nvar INPUT_MOVE = 2;\nvar INPUT_END = 4;\nvar INPUT_CANCEL = 8;\n\nvar DIRECTION_NONE = 1;\nvar DIRECTION_LEFT = 2;\nvar DIRECTION_RIGHT = 4;\nvar DIRECTION_UP = 8;\nvar DIRECTION_DOWN = 16;\n\nvar DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT;\nvar DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN;\nvar DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;\n\nvar PROPS_XY = ['x', 'y'];\nvar PROPS_CLIENT_XY = ['clientX', 'clientY'];\n\n/**\n * create new input type manager\n * @param {Manager} manager\n * @param {Function} callback\n * @returns {Input}\n * @constructor\n */\nfunction Input(manager, callback) {\n var self = this;\n this.manager = manager;\n this.callback = callback;\n this.element = manager.element;\n this.target = manager.options.inputTarget;\n\n // smaller wrapper around the handler, for the scope and the enabled state of the manager,\n // so when disabled the input events are completely bypassed.\n this.domHandler = function(ev) {\n if (boolOrFn(manager.options.enable, [manager])) {\n self.handler(ev);\n }\n };\n\n this.init();\n\n}\n\nInput.prototype = {\n /**\n * should handle the inputEvent data and trigger the callback\n * @virtual\n */\n handler: function() { },\n\n /**\n * bind the events\n */\n init: function() {\n this.evEl && addEventListeners(this.element, this.evEl, this.domHandler);\n this.evTarget && addEventListeners(this.target, this.evTarget, this.domHandler);\n this.evWin && addEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);\n },\n\n /**\n * unbind the events\n */\n destroy: function() {\n this.evEl && removeEventListeners(this.element, this.evEl, this.domHandler);\n this.evTarget && removeEventListeners(this.target, this.evTarget, this.domHandler);\n this.evWin && removeEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);\n }\n};\n\n/**\n * create new input type manager\n * called by the Manager constructor\n * @param {Hammer} manager\n * @returns {Input}\n */\nfunction createInputInstance(manager) {\n var Type;\n var inputClass = manager.options.inputClass;\n\n if (inputClass) {\n Type = inputClass;\n } else if (SUPPORT_POINTER_EVENTS) {\n Type = PointerEventInput;\n } else if (SUPPORT_ONLY_TOUCH) {\n Type = TouchInput;\n } else if (!SUPPORT_TOUCH) {\n Type = MouseInput;\n } else {\n Type = TouchMouseInput;\n }\n return new (Type)(manager, inputHandler);\n}\n\n/**\n * handle input events\n * @param {Manager} manager\n * @param {String} eventType\n * @param {Object} input\n */\nfunction inputHandler(manager, eventType, input) {\n var pointersLen = input.pointers.length;\n var changedPointersLen = input.changedPointers.length;\n var isFirst = (eventType & INPUT_START && (pointersLen - changedPointersLen === 0));\n var isFinal = (eventType & (INPUT_END | INPUT_CANCEL) && (pointersLen - changedPointersLen === 0));\n\n input.isFirst = !!isFirst;\n input.isFinal = !!isFinal;\n\n if (isFirst) {\n manager.session = {};\n }\n\n // source event is the normalized value of the domEvents\n // like 'touchstart, mouseup, pointerdown'\n input.eventType = eventType;\n\n // compute scale, rotation etc\n computeInputData(manager, input);\n\n // emit secret event\n manager.emit('hammer.input', input);\n\n manager.recognize(input);\n manager.session.prevInput = input;\n}\n\n/**\n * extend the data with some usable properties like scale, rotate, velocity etc\n * @param {Object} manager\n * @param {Object} input\n */\nfunction computeInputData(manager, input) {\n var session = manager.session;\n var pointers = input.pointers;\n var pointersLength = pointers.length;\n\n // store the first input to calculate the distance and direction\n if (!session.firstInput) {\n session.firstInput = simpleCloneInputData(input);\n }\n\n // to compute scale and rotation we need to store the multiple touches\n if (pointersLength > 1 && !session.firstMultiple) {\n session.firstMultiple = simpleCloneInputData(input);\n } else if (pointersLength === 1) {\n session.firstMultiple = false;\n }\n\n var firstInput = session.firstInput;\n var firstMultiple = session.firstMultiple;\n var offsetCenter = firstMultiple ? firstMultiple.center : firstInput.center;\n\n var center = input.center = getCenter(pointers);\n input.timeStamp = now();\n input.deltaTime = input.timeStamp - firstInput.timeStamp;\n\n input.angle = getAngle(offsetCenter, center);\n input.distance = getDistance(offsetCenter, center);\n\n computeDeltaXY(session, input);\n input.offsetDirection = getDirection(input.deltaX, input.deltaY);\n\n var overallVelocity = getVelocity(input.deltaTime, input.deltaX, input.deltaY);\n input.overallVelocityX = overallVelocity.x;\n input.overallVelocityY = overallVelocity.y;\n input.overallVelocity = (abs(overallVelocity.x) > abs(overallVelocity.y)) ? overallVelocity.x : overallVelocity.y;\n\n input.scale = firstMultiple ? getScale(firstMultiple.pointers, pointers) : 1;\n input.rotation = firstMultiple ? getRotation(firstMultiple.pointers, pointers) : 0;\n\n input.maxPointers = !session.prevInput ? input.pointers.length : ((input.pointers.length >\n session.prevInput.maxPointers) ? input.pointers.length : session.prevInput.maxPointers);\n\n computeIntervalInputData(session, input);\n\n // find the correct target\n var target = manager.element;\n if (hasParent(input.srcEvent.target, target)) {\n target = input.srcEvent.target;\n }\n input.target = target;\n}\n\nfunction computeDeltaXY(session, input) {\n var center = input.center;\n var offset = session.offsetDelta || {};\n var prevDelta = session.prevDelta || {};\n var prevInput = session.prevInput || {};\n\n if (input.eventType === INPUT_START || prevInput.eventType === INPUT_END) {\n prevDelta = session.prevDelta = {\n x: prevInput.deltaX || 0,\n y: prevInput.deltaY || 0\n };\n\n offset = session.offsetDelta = {\n x: center.x,\n y: center.y\n };\n }\n\n input.deltaX = prevDelta.x + (center.x - offset.x);\n input.deltaY = prevDelta.y + (center.y - offset.y);\n}\n\n/**\n * velocity is calculated every x ms\n * @param {Object} session\n * @param {Object} input\n */\nfunction computeIntervalInputData(session, input) {\n var last = session.lastInterval || input,\n deltaTime = input.timeStamp - last.timeStamp,\n velocity, velocityX, velocityY, direction;\n\n if (input.eventType != INPUT_CANCEL && (deltaTime > COMPUTE_INTERVAL || last.velocity === undefined)) {\n var deltaX = input.deltaX - last.deltaX;\n var deltaY = input.deltaY - last.deltaY;\n\n var v = getVelocity(deltaTime, deltaX, deltaY);\n velocityX = v.x;\n velocityY = v.y;\n velocity = (abs(v.x) > abs(v.y)) ? v.x : v.y;\n direction = getDirection(deltaX, deltaY);\n\n session.lastInterval = input;\n } else {\n // use latest velocity info if it doesn't overtake a minimum period\n velocity = last.velocity;\n velocityX = last.velocityX;\n velocityY = last.velocityY;\n direction = last.direction;\n }\n\n input.velocity = velocity;\n input.velocityX = velocityX;\n input.velocityY = velocityY;\n input.direction = direction;\n}\n\n/**\n * create a simple clone from the input used for storage of firstInput and firstMultiple\n * @param {Object} input\n * @returns {Object} clonedInputData\n */\nfunction simpleCloneInputData(input) {\n // make a simple copy of the pointers because we will get a reference if we don't\n // we only need clientXY for the calculations\n var pointers = [];\n var i = 0;\n while (i < input.pointers.length) {\n pointers[i] = {\n clientX: round(input.pointers[i].clientX),\n clientY: round(input.pointers[i].clientY)\n };\n i++;\n }\n\n return {\n timeStamp: now(),\n pointers: pointers,\n center: getCenter(pointers),\n deltaX: input.deltaX,\n deltaY: input.deltaY\n };\n}\n\n/**\n * get the center of all the pointers\n * @param {Array} pointers\n * @return {Object} center contains `x` and `y` properties\n */\nfunction getCenter(pointers) {\n var pointersLength = pointers.length;\n\n // no need to loop when only one touch\n if (pointersLength === 1) {\n return {\n x: round(pointers[0].clientX),\n y: round(pointers[0].clientY)\n };\n }\n\n var x = 0, y = 0, i = 0;\n while (i < pointersLength) {\n x += pointers[i].clientX;\n y += pointers[i].clientY;\n i++;\n }\n\n return {\n x: round(x / pointersLength),\n y: round(y / pointersLength)\n };\n}\n\n/**\n * calculate the velocity between two points. unit is in px per ms.\n * @param {Number} deltaTime\n * @param {Number} x\n * @param {Number} y\n * @return {Object} velocity `x` and `y`\n */\nfunction getVelocity(deltaTime, x, y) {\n return {\n x: x / deltaTime || 0,\n y: y / deltaTime || 0\n };\n}\n\n/**\n * get the direction between two points\n * @param {Number} x\n * @param {Number} y\n * @return {Number} direction\n */\nfunction getDirection(x, y) {\n if (x === y) {\n return DIRECTION_NONE;\n }\n\n if (abs(x) >= abs(y)) {\n return x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;\n }\n return y < 0 ? DIRECTION_UP : DIRECTION_DOWN;\n}\n\n/**\n * calculate the absolute distance between two points\n * @param {Object} p1 {x, y}\n * @param {Object} p2 {x, y}\n * @param {Array} [props] containing x and y keys\n * @return {Number} distance\n */\nfunction getDistance(p1, p2, props) {\n if (!props) {\n props = PROPS_XY;\n }\n var x = p2[props[0]] - p1[props[0]],\n y = p2[props[1]] - p1[props[1]];\n\n return Math.sqrt((x * x) + (y * y));\n}\n\n/**\n * calculate the angle between two coordinates\n * @param {Object} p1\n * @param {Object} p2\n * @param {Array} [props] containing x and y keys\n * @return {Number} angle\n */\nfunction getAngle(p1, p2, props) {\n if (!props) {\n props = PROPS_XY;\n }\n var x = p2[props[0]] - p1[props[0]],\n y = p2[props[1]] - p1[props[1]];\n return Math.atan2(y, x) * 180 / Math.PI;\n}\n\n/**\n * calculate the rotation degrees between two pointersets\n * @param {Array} start array of pointers\n * @param {Array} end array of pointers\n * @return {Number} rotation\n */\nfunction getRotation(start, end) {\n return getAngle(end[1], end[0], PROPS_CLIENT_XY) + getAngle(start[1], start[0], PROPS_CLIENT_XY);\n}\n\n/**\n * calculate the scale factor between two pointersets\n * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out\n * @param {Array} start array of pointers\n * @param {Array} end array of pointers\n * @return {Number} scale\n */\nfunction getScale(start, end) {\n return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(start[0], start[1], PROPS_CLIENT_XY);\n}\n\nvar MOUSE_INPUT_MAP = {\n mousedown: INPUT_START,\n mousemove: INPUT_MOVE,\n mouseup: INPUT_END\n};\n\nvar MOUSE_ELEMENT_EVENTS = 'mousedown';\nvar MOUSE_WINDOW_EVENTS = 'mousemove mouseup';\n\n/**\n * Mouse events input\n * @constructor\n * @extends Input\n */\nfunction MouseInput() {\n this.evEl = MOUSE_ELEMENT_EVENTS;\n this.evWin = MOUSE_WINDOW_EVENTS;\n\n this.allow = true; // used by Input.TouchMouse to disable mouse events\n this.pressed = false; // mousedown state\n\n Input.apply(this, arguments);\n}\n\ninherit(MouseInput, Input, {\n /**\n * handle mouse events\n * @param {Object} ev\n */\n handler: function MEhandler(ev) {\n var eventType = MOUSE_INPUT_MAP[ev.type];\n\n // on start we want to have the left mouse button down\n if (eventType & INPUT_START && ev.button === 0) {\n this.pressed = true;\n }\n\n if (eventType & INPUT_MOVE && ev.which !== 1) {\n eventType = INPUT_END;\n }\n\n // mouse must be down, and mouse events are allowed (see the TouchMouse input)\n if (!this.pressed || !this.allow) {\n return;\n }\n\n if (eventType & INPUT_END) {\n this.pressed = false;\n }\n\n this.callback(this.manager, eventType, {\n pointers: [ev],\n changedPointers: [ev],\n pointerType: INPUT_TYPE_MOUSE,\n srcEvent: ev\n });\n }\n});\n\nvar POINTER_INPUT_MAP = {\n pointerdown: INPUT_START,\n pointermove: INPUT_MOVE,\n pointerup: INPUT_END,\n pointercancel: INPUT_CANCEL,\n pointerout: INPUT_CANCEL\n};\n\n// in IE10 the pointer types is defined as an enum\nvar IE10_POINTER_TYPE_ENUM = {\n 2: INPUT_TYPE_TOUCH,\n 3: INPUT_TYPE_PEN,\n 4: INPUT_TYPE_MOUSE,\n 5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816\n};\n\nvar POINTER_ELEMENT_EVENTS = 'pointerdown';\nvar POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel';\n\n// IE10 has prefixed support, and case-sensitive\nif (window.MSPointerEvent && !window.PointerEvent) {\n POINTER_ELEMENT_EVENTS = 'MSPointerDown';\n POINTER_WINDOW_EVENTS = 'MSPointerMove MSPointerUp MSPointerCancel';\n}\n\n/**\n * Pointer events input\n * @constructor\n * @extends Input\n */\nfunction PointerEventInput() {\n this.evEl = POINTER_ELEMENT_EVENTS;\n this.evWin = POINTER_WINDOW_EVENTS;\n\n Input.apply(this, arguments);\n\n this.store = (this.manager.session.pointerEvents = []);\n}\n\ninherit(PointerEventInput, Input, {\n /**\n * handle mouse events\n * @param {Object} ev\n */\n handler: function PEhandler(ev) {\n var store = this.store;\n var removePointer = false;\n\n var eventTypeNormalized = ev.type.toLowerCase().replace('ms', '');\n var eventType = POINTER_INPUT_MAP[eventTypeNormalized];\n var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] || ev.pointerType;\n\n var isTouch = (pointerType == INPUT_TYPE_TOUCH);\n\n // get index of the event in the store\n var storeIndex = inArray(store, ev.pointerId, 'pointerId');\n\n // start and mouse must be down\n if (eventType & INPUT_START && (ev.button === 0 || isTouch)) {\n if (storeIndex < 0) {\n store.push(ev);\n storeIndex = store.length - 1;\n }\n } else if (eventType & (INPUT_END | INPUT_CANCEL)) {\n removePointer = true;\n }\n\n // it not found, so the pointer hasn't been down (so it's probably a hover)\n if (storeIndex < 0) {\n return;\n }\n\n // update the event in the store\n store[storeIndex] = ev;\n\n this.callback(this.manager, eventType, {\n pointers: store,\n changedPointers: [ev],\n pointerType: pointerType,\n srcEvent: ev\n });\n\n if (removePointer) {\n // remove from the store\n store.splice(storeIndex, 1);\n }\n }\n});\n\nvar SINGLE_TOUCH_INPUT_MAP = {\n touchstart: INPUT_START,\n touchmove: INPUT_MOVE,\n touchend: INPUT_END,\n touchcancel: INPUT_CANCEL\n};\n\nvar SINGLE_TOUCH_TARGET_EVENTS = 'touchstart';\nvar SINGLE_TOUCH_WINDOW_EVENTS = 'touchstart touchmove touchend touchcancel';\n\n/**\n * Touch events input\n * @constructor\n * @extends Input\n */\nfunction SingleTouchInput() {\n this.evTarget = SINGLE_TOUCH_TARGET_EVENTS;\n this.evWin = SINGLE_TOUCH_WINDOW_EVENTS;\n this.started = false;\n\n Input.apply(this, arguments);\n}\n\ninherit(SingleTouchInput, Input, {\n handler: function TEhandler(ev) {\n var type = SINGLE_TOUCH_INPUT_MAP[ev.type];\n\n // should we handle the touch events?\n if (type === INPUT_START) {\n this.started = true;\n }\n\n if (!this.started) {\n return;\n }\n\n var touches = normalizeSingleTouches.call(this, ev, type);\n\n // when done, reset the started state\n if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length - touches[1].length === 0) {\n this.started = false;\n }\n\n this.callback(this.manager, type, {\n pointers: touches[0],\n changedPointers: touches[1],\n pointerType: INPUT_TYPE_TOUCH,\n srcEvent: ev\n });\n }\n});\n\n/**\n * @this {TouchInput}\n * @param {Object} ev\n * @param {Number} type flag\n * @returns {undefined|Array} [all, changed]\n */\nfunction normalizeSingleTouches(ev, type) {\n var all = toArray(ev.touches);\n var changed = toArray(ev.changedTouches);\n\n if (type & (INPUT_END | INPUT_CANCEL)) {\n all = uniqueArray(all.concat(changed), 'identifier', true);\n }\n\n return [all, changed];\n}\n\nvar TOUCH_INPUT_MAP = {\n touchstart: INPUT_START,\n touchmove: INPUT_MOVE,\n touchend: INPUT_END,\n touchcancel: INPUT_CANCEL\n};\n\nvar TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel';\n\n/**\n * Multi-user touch events input\n * @constructor\n * @extends Input\n */\nfunction TouchInput() {\n this.evTarget = TOUCH_TARGET_EVENTS;\n this.targetIds = {};\n\n Input.apply(this, arguments);\n}\n\ninherit(TouchInput, Input, {\n handler: function MTEhandler(ev) {\n var type = TOUCH_INPUT_MAP[ev.type];\n var touches = getTouches.call(this, ev, type);\n if (!touches) {\n return;\n }\n\n this.callback(this.manager, type, {\n pointers: touches[0],\n changedPointers: touches[1],\n pointerType: INPUT_TYPE_TOUCH,\n srcEvent: ev\n });\n }\n});\n\n/**\n * @this {TouchInput}\n * @param {Object} ev\n * @param {Number} type flag\n * @returns {undefined|Array} [all, changed]\n */\nfunction getTouches(ev, type) {\n var allTouches = toArray(ev.touches);\n var targetIds = this.targetIds;\n\n // when there is only one touch, the process can be simplified\n if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {\n targetIds[allTouches[0].identifier] = true;\n return [allTouches, allTouches];\n }\n\n var i,\n targetTouches,\n changedTouches = toArray(ev.changedTouches),\n changedTargetTouches = [],\n target = this.target;\n\n // get target touches from touches\n targetTouches = allTouches.filter(function(touch) {\n return hasParent(touch.target, target);\n });\n\n // collect touches\n if (type === INPUT_START) {\n i = 0;\n while (i < targetTouches.length) {\n targetIds[targetTouches[i].identifier] = true;\n i++;\n }\n }\n\n // filter changed touches to only contain touches that exist in the collected target ids\n i = 0;\n while (i < changedTouches.length) {\n if (targetIds[changedTouches[i].identifier]) {\n changedTargetTouches.push(changedTouches[i]);\n }\n\n // cleanup removed touches\n if (type & (INPUT_END | INPUT_CANCEL)) {\n delete targetIds[changedTouches[i].identifier];\n }\n i++;\n }\n\n if (!changedTargetTouches.length) {\n return;\n }\n\n return [\n // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'\n uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true),\n changedTargetTouches\n ];\n}\n\n/**\n * Combined touch and mouse input\n *\n * Touch has a higher priority then mouse, and while touching no mouse events are allowed.\n * This because touch devices also emit mouse events while doing a touch.\n *\n * @constructor\n * @extends Input\n */\nfunction TouchMouseInput() {\n Input.apply(this, arguments);\n\n var handler = bindFn(this.handler, this);\n this.touch = new TouchInput(this.manager, handler);\n this.mouse = new MouseInput(this.manager, handler);\n}\n\ninherit(TouchMouseInput, Input, {\n /**\n * handle mouse and touch events\n * @param {Hammer} manager\n * @param {String} inputEvent\n * @param {Object} inputData\n */\n handler: function TMEhandler(manager, inputEvent, inputData) {\n var isTouch = (inputData.pointerType == INPUT_TYPE_TOUCH),\n isMouse = (inputData.pointerType == INPUT_TYPE_MOUSE);\n\n // when we're in a touch event, so block all upcoming mouse events\n // most mobile browser also emit mouseevents, right after touchstart\n if (isTouch) {\n this.mouse.allow = false;\n } else if (isMouse && !this.mouse.allow) {\n return;\n }\n\n // reset the allowMouse when we're done\n if (inputEvent & (INPUT_END | INPUT_CANCEL)) {\n this.mouse.allow = true;\n }\n\n this.callback(manager, inputEvent, inputData);\n },\n\n /**\n * remove the event listeners\n */\n destroy: function destroy() {\n this.touch.destroy();\n this.mouse.destroy();\n }\n});\n\nvar PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style, 'touchAction');\nvar NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined;\n\n// magical touchAction value\nvar TOUCH_ACTION_COMPUTE = 'compute';\nvar TOUCH_ACTION_AUTO = 'auto';\nvar TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented\nvar TOUCH_ACTION_NONE = 'none';\nvar TOUCH_ACTION_PAN_X = 'pan-x';\nvar TOUCH_ACTION_PAN_Y = 'pan-y';\n\n/**\n * Touch Action\n * sets the touchAction property or uses the js alternative\n * @param {Manager} manager\n * @param {String} value\n * @constructor\n */\nfunction TouchAction(manager, value) {\n this.manager = manager;\n this.set(value);\n}\n\nTouchAction.prototype = {\n /**\n * set the touchAction value on the element or enable the polyfill\n * @param {String} value\n */\n set: function(value) {\n // find out the touch-action by the event handlers\n if (value == TOUCH_ACTION_COMPUTE) {\n value = this.compute();\n }\n\n if (NATIVE_TOUCH_ACTION && this.manager.element.style) {\n this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;\n }\n this.actions = value.toLowerCase().trim();\n },\n\n /**\n * just re-set the touchAction value\n */\n update: function() {\n this.set(this.manager.options.touchAction);\n },\n\n /**\n * compute the value for the touchAction property based on the recognizer's settings\n * @returns {String} value\n */\n compute: function() {\n var actions = [];\n each(this.manager.recognizers, function(recognizer) {\n if (boolOrFn(recognizer.options.enable, [recognizer])) {\n actions = actions.concat(recognizer.getTouchAction());\n }\n });\n return cleanTouchActions(actions.join(' '));\n },\n\n /**\n * this method is called on each input cycle and provides the preventing of the browser behavior\n * @param {Object} input\n */\n preventDefaults: function(input) {\n // not needed with native support for the touchAction property\n if (NATIVE_TOUCH_ACTION) {\n return;\n }\n\n var srcEvent = input.srcEvent;\n var direction = input.offsetDirection;\n\n // if the touch action did prevented once this session\n if (this.manager.session.prevented) {\n srcEvent.preventDefault();\n return;\n }\n\n var actions = this.actions;\n var hasNone = inStr(actions, TOUCH_ACTION_NONE);\n var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);\n var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);\n\n if (hasNone) {\n //do not prevent defaults if this is a tap gesture\n\n var isTapPointer = input.pointers.length === 1;\n var isTapMovement = input.distance < 2;\n var isTapTouchTime = input.deltaTime < 250;\n\n if (isTapPointer && isTapMovement && isTapTouchTime) {\n return;\n }\n }\n\n if (hasPanX && hasPanY) {\n // `pan-x pan-y` means browser handles all scrolling/panning, do not prevent\n return;\n }\n\n if (hasNone ||\n (hasPanY && direction & DIRECTION_HORIZONTAL) ||\n (hasPanX && direction & DIRECTION_VERTICAL)) {\n return this.preventSrc(srcEvent);\n }\n },\n\n /**\n * call preventDefault to prevent the browser's default behavior (scrolling in most cases)\n * @param {Object} srcEvent\n */\n preventSrc: function(srcEvent) {\n this.manager.session.prevented = true;\n srcEvent.preventDefault();\n }\n};\n\n/**\n * when the touchActions are collected they are not a valid value, so we need to clean things up. *\n * @param {String} actions\n * @returns {*}\n */\nfunction cleanTouchActions(actions) {\n // none\n if (inStr(actions, TOUCH_ACTION_NONE)) {\n return TOUCH_ACTION_NONE;\n }\n\n var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);\n var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);\n\n // if both pan-x and pan-y are set (different recognizers\n // for different directions, e.g. horizontal pan but vertical swipe?)\n // we need none (as otherwise with pan-x pan-y combined none of these\n // recognizers will work, since the browser would handle all panning\n if (hasPanX && hasPanY) {\n return TOUCH_ACTION_NONE;\n }\n\n // pan-x OR pan-y\n if (hasPanX || hasPanY) {\n return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;\n }\n\n // manipulation\n if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {\n return TOUCH_ACTION_MANIPULATION;\n }\n\n return TOUCH_ACTION_AUTO;\n}\n\n/**\n * Recognizer flow explained; *\n * All recognizers have the initial state of POSSIBLE when a input session starts.\n * The definition of a input session is from the first input until the last input, with all it's movement in it. *\n * Example session for mouse-input: mousedown -> mousemove -> mouseup\n *\n * On each recognizing cycle (see Manager.recognize) the .recognize() method is executed\n * which determines with state it should be.\n *\n * If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to\n * POSSIBLE to give it another change on the next cycle.\n *\n * Possible\n * |\n * +-----+---------------+\n * | |\n * +-----+-----+ |\n * | | |\n * Failed Cancelled |\n * +-------+------+\n * | |\n * Recognized Began\n * |\n * Changed\n * |\n * Ended/Recognized\n */\nvar STATE_POSSIBLE = 1;\nvar STATE_BEGAN = 2;\nvar STATE_CHANGED = 4;\nvar STATE_ENDED = 8;\nvar STATE_RECOGNIZED = STATE_ENDED;\nvar STATE_CANCELLED = 16;\nvar STATE_FAILED = 32;\n\n/**\n * Recognizer\n * Every recognizer needs to extend from this class.\n * @constructor\n * @param {Object} options\n */\nfunction Recognizer(options) {\n this.options = assign({}, this.defaults, options || {});\n\n this.id = uniqueId();\n\n this.manager = null;\n\n // default is enable true\n this.options.enable = ifUndefined(this.options.enable, true);\n\n this.state = STATE_POSSIBLE;\n\n this.simultaneous = {};\n this.requireFail = [];\n}\n\nRecognizer.prototype = {\n /**\n * @virtual\n * @type {Object}\n */\n defaults: {},\n\n /**\n * set options\n * @param {Object} options\n * @return {Recognizer}\n */\n set: function(options) {\n assign(this.options, options);\n\n // also update the touchAction, in case something changed about the directions/enabled state\n this.manager && this.manager.touchAction.update();\n return this;\n },\n\n /**\n * recognize simultaneous with an other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n recognizeWith: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) {\n return this;\n }\n\n var simultaneous = this.simultaneous;\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n if (!simultaneous[otherRecognizer.id]) {\n simultaneous[otherRecognizer.id] = otherRecognizer;\n otherRecognizer.recognizeWith(this);\n }\n return this;\n },\n\n /**\n * drop the simultaneous link. it doesnt remove the link on the other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n dropRecognizeWith: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) {\n return this;\n }\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n delete this.simultaneous[otherRecognizer.id];\n return this;\n },\n\n /**\n * recognizer can only run when an other is failing\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n requireFailure: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {\n return this;\n }\n\n var requireFail = this.requireFail;\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n if (inArray(requireFail, otherRecognizer) === -1) {\n requireFail.push(otherRecognizer);\n otherRecognizer.requireFailure(this);\n }\n return this;\n },\n\n /**\n * drop the requireFailure link. it does not remove the link on the other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n dropRequireFailure: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) {\n return this;\n }\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n var index = inArray(this.requireFail, otherRecognizer);\n if (index > -1) {\n this.requireFail.splice(index, 1);\n }\n return this;\n },\n\n /**\n * has require failures boolean\n * @returns {boolean}\n */\n hasRequireFailures: function() {\n return this.requireFail.length > 0;\n },\n\n /**\n * if the recognizer can recognize simultaneous with an other recognizer\n * @param {Recognizer} otherRecognizer\n * @returns {Boolean}\n */\n canRecognizeWith: function(otherRecognizer) {\n return !!this.simultaneous[otherRecognizer.id];\n },\n\n /**\n * You should use `tryEmit` instead of `emit` directly to check\n * that all the needed recognizers has failed before emitting.\n * @param {Object} input\n */\n emit: function(input) {\n var self = this;\n var state = this.state;\n\n function emit(event) {\n self.manager.emit(event, input);\n }\n\n // 'panstart' and 'panmove'\n if (state < STATE_ENDED) {\n emit(self.options.event + stateStr(state));\n }\n\n emit(self.options.event); // simple 'eventName' events\n\n if (input.additionalEvent) { // additional event(panleft, panright, pinchin, pinchout...)\n emit(input.additionalEvent);\n }\n\n // panend and pancancel\n if (state >= STATE_ENDED) {\n emit(self.options.event + stateStr(state));\n }\n },\n\n /**\n * Check that all the require failure recognizers has failed,\n * if true, it emits a gesture event,\n * otherwise, setup the state to FAILED.\n * @param {Object} input\n */\n tryEmit: function(input) {\n if (this.canEmit()) {\n return this.emit(input);\n }\n // it's failing anyway\n this.state = STATE_FAILED;\n },\n\n /**\n * can we emit?\n * @returns {boolean}\n */\n canEmit: function() {\n var i = 0;\n while (i < this.requireFail.length) {\n if (!(this.requireFail[i].state & (STATE_FAILED | STATE_POSSIBLE))) {\n return false;\n }\n i++;\n }\n return true;\n },\n\n /**\n * update the recognizer\n * @param {Object} inputData\n */\n recognize: function(inputData) {\n // make a new copy of the inputData\n // so we can change the inputData without messing up the other recognizers\n var inputDataClone = assign({}, inputData);\n\n // is is enabled and allow recognizing?\n if (!boolOrFn(this.options.enable, [this, inputDataClone])) {\n this.reset();\n this.state = STATE_FAILED;\n return;\n }\n\n // reset when we've reached the end\n if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {\n this.state = STATE_POSSIBLE;\n }\n\n this.state = this.process(inputDataClone);\n\n // the recognizer has recognized a gesture\n // so trigger an event\n if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {\n this.tryEmit(inputDataClone);\n }\n },\n\n /**\n * return the state of the recognizer\n * the actual recognizing happens in this method\n * @virtual\n * @param {Object} inputData\n * @returns {Const} STATE\n */\n process: function(inputData) { }, // jshint ignore:line\n\n /**\n * return the preferred touch-action\n * @virtual\n * @returns {Array}\n */\n getTouchAction: function() { },\n\n /**\n * called when the gesture isn't allowed to recognize\n * like when another is being recognized or it is disabled\n * @virtual\n */\n reset: function() { }\n};\n\n/**\n * get a usable string, used as event postfix\n * @param {Const} state\n * @returns {String} state\n */\nfunction stateStr(state) {\n if (state & STATE_CANCELLED) {\n return 'cancel';\n } else if (state & STATE_ENDED) {\n return 'end';\n } else if (state & STATE_CHANGED) {\n return 'move';\n } else if (state & STATE_BEGAN) {\n return 'start';\n }\n return '';\n}\n\n/**\n * direction cons to string\n * @param {Const} direction\n * @returns {String}\n */\nfunction directionStr(direction) {\n if (direction == DIRECTION_DOWN) {\n return 'down';\n } else if (direction == DIRECTION_UP) {\n return 'up';\n } else if (direction == DIRECTION_LEFT) {\n return 'left';\n } else if (direction == DIRECTION_RIGHT) {\n return 'right';\n }\n return '';\n}\n\n/**\n * get a recognizer by name if it is bound to a manager\n * @param {Recognizer|String} otherRecognizer\n * @param {Recognizer} recognizer\n * @returns {Recognizer}\n */\nfunction getRecognizerByNameIfManager(otherRecognizer, recognizer) {\n var manager = recognizer.manager;\n if (manager) {\n return manager.get(otherRecognizer);\n }\n return otherRecognizer;\n}\n\n/**\n * This recognizer is just used as a base for the simple attribute recognizers.\n * @constructor\n * @extends Recognizer\n */\nfunction AttrRecognizer() {\n Recognizer.apply(this, arguments);\n}\n\ninherit(AttrRecognizer, Recognizer, {\n /**\n * @namespace\n * @memberof AttrRecognizer\n */\n defaults: {\n /**\n * @type {Number}\n * @default 1\n */\n pointers: 1\n },\n\n /**\n * Used to check if it the recognizer receives valid input, like input.distance > 10.\n * @memberof AttrRecognizer\n * @param {Object} input\n * @returns {Boolean} recognized\n */\n attrTest: function(input) {\n var optionPointers = this.options.pointers;\n return optionPointers === 0 || input.pointers.length === optionPointers;\n },\n\n /**\n * Process the input and return the state for the recognizer\n * @memberof AttrRecognizer\n * @param {Object} input\n * @returns {*} State\n */\n process: function(input) {\n var state = this.state;\n var eventType = input.eventType;\n\n var isRecognized = state & (STATE_BEGAN | STATE_CHANGED);\n var isValid = this.attrTest(input);\n\n // on cancel input and we've recognized before, return STATE_CANCELLED\n if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) {\n return state | STATE_CANCELLED;\n } else if (isRecognized || isValid) {\n if (eventType & INPUT_END) {\n return state | STATE_ENDED;\n } else if (!(state & STATE_BEGAN)) {\n return STATE_BEGAN;\n }\n return state | STATE_CHANGED;\n }\n return STATE_FAILED;\n }\n});\n\n/**\n * Pan\n * Recognized when the pointer is down and moved in the allowed direction.\n * @constructor\n * @extends AttrRecognizer\n */\nfunction PanRecognizer() {\n AttrRecognizer.apply(this, arguments);\n\n this.pX = null;\n this.pY = null;\n}\n\ninherit(PanRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof PanRecognizer\n */\n defaults: {\n event: 'pan',\n threshold: 10,\n pointers: 1,\n direction: DIRECTION_ALL\n },\n\n getTouchAction: function() {\n var direction = this.options.direction;\n var actions = [];\n if (direction & DIRECTION_HORIZONTAL) {\n actions.push(TOUCH_ACTION_PAN_Y);\n }\n if (direction & DIRECTION_VERTICAL) {\n actions.push(TOUCH_ACTION_PAN_X);\n }\n return actions;\n },\n\n directionTest: function(input) {\n var options = this.options;\n var hasMoved = true;\n var distance = input.distance;\n var direction = input.direction;\n var x = input.deltaX;\n var y = input.deltaY;\n\n // lock to axis?\n if (!(direction & options.direction)) {\n if (options.direction & DIRECTION_HORIZONTAL) {\n direction = (x === 0) ? DIRECTION_NONE : (x < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT;\n hasMoved = x != this.pX;\n distance = Math.abs(input.deltaX);\n } else {\n direction = (y === 0) ? DIRECTION_NONE : (y < 0) ? DIRECTION_UP : DIRECTION_DOWN;\n hasMoved = y != this.pY;\n distance = Math.abs(input.deltaY);\n }\n }\n input.direction = direction;\n return hasMoved && distance > options.threshold && direction & options.direction;\n },\n\n attrTest: function(input) {\n return AttrRecognizer.prototype.attrTest.call(this, input) &&\n (this.state & STATE_BEGAN || (!(this.state & STATE_BEGAN) && this.directionTest(input)));\n },\n\n emit: function(input) {\n\n this.pX = input.deltaX;\n this.pY = input.deltaY;\n\n var direction = directionStr(input.direction);\n\n if (direction) {\n input.additionalEvent = this.options.event + direction;\n }\n this._super.emit.call(this, input);\n }\n});\n\n/**\n * Pinch\n * Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).\n * @constructor\n * @extends AttrRecognizer\n */\nfunction PinchRecognizer() {\n AttrRecognizer.apply(this, arguments);\n}\n\ninherit(PinchRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof PinchRecognizer\n */\n defaults: {\n event: 'pinch',\n threshold: 0,\n pointers: 2\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_NONE];\n },\n\n attrTest: function(input) {\n return this._super.attrTest.call(this, input) &&\n (Math.abs(input.scale - 1) > this.options.threshold || this.state & STATE_BEGAN);\n },\n\n emit: function(input) {\n if (input.scale !== 1) {\n var inOut = input.scale < 1 ? 'in' : 'out';\n input.additionalEvent = this.options.event + inOut;\n }\n this._super.emit.call(this, input);\n }\n});\n\n/**\n * Press\n * Recognized when the pointer is down for x ms without any movement.\n * @constructor\n * @extends Recognizer\n */\nfunction PressRecognizer() {\n Recognizer.apply(this, arguments);\n\n this._timer = null;\n this._input = null;\n}\n\ninherit(PressRecognizer, Recognizer, {\n /**\n * @namespace\n * @memberof PressRecognizer\n */\n defaults: {\n event: 'press',\n pointers: 1,\n time: 251, // minimal time of the pointer to be pressed\n threshold: 9 // a minimal movement is ok, but keep it low\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_AUTO];\n },\n\n process: function(input) {\n var options = this.options;\n var validPointers = input.pointers.length === options.pointers;\n var validMovement = input.distance < options.threshold;\n var validTime = input.deltaTime > options.time;\n\n this._input = input;\n\n // we only allow little movement\n // and we've reached an end event, so a tap is possible\n if (!validMovement || !validPointers || (input.eventType & (INPUT_END | INPUT_CANCEL) && !validTime)) {\n this.reset();\n } else if (input.eventType & INPUT_START) {\n this.reset();\n this._timer = setTimeoutContext(function() {\n this.state = STATE_RECOGNIZED;\n this.tryEmit();\n }, options.time, this);\n } else if (input.eventType & INPUT_END) {\n return STATE_RECOGNIZED;\n }\n return STATE_FAILED;\n },\n\n reset: function() {\n clearTimeout(this._timer);\n },\n\n emit: function(input) {\n if (this.state !== STATE_RECOGNIZED) {\n return;\n }\n\n if (input && (input.eventType & INPUT_END)) {\n this.manager.emit(this.options.event + 'up', input);\n } else {\n this._input.timeStamp = now();\n this.manager.emit(this.options.event, this._input);\n }\n }\n});\n\n/**\n * Rotate\n * Recognized when two or more pointer are moving in a circular motion.\n * @constructor\n * @extends AttrRecognizer\n */\nfunction RotateRecognizer() {\n AttrRecognizer.apply(this, arguments);\n}\n\ninherit(RotateRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof RotateRecognizer\n */\n defaults: {\n event: 'rotate',\n threshold: 0,\n pointers: 2\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_NONE];\n },\n\n attrTest: function(input) {\n return this._super.attrTest.call(this, input) &&\n (Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN);\n }\n});\n\n/**\n * Swipe\n * Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.\n * @constructor\n * @extends AttrRecognizer\n */\nfunction SwipeRecognizer() {\n AttrRecognizer.apply(this, arguments);\n}\n\ninherit(SwipeRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof SwipeRecognizer\n */\n defaults: {\n event: 'swipe',\n threshold: 10,\n velocity: 0.3,\n direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL,\n pointers: 1\n },\n\n getTouchAction: function() {\n return PanRecognizer.prototype.getTouchAction.call(this);\n },\n\n attrTest: function(input) {\n var direction = this.options.direction;\n var velocity;\n\n if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) {\n velocity = input.overallVelocity;\n } else if (direction & DIRECTION_HORIZONTAL) {\n velocity = input.overallVelocityX;\n } else if (direction & DIRECTION_VERTICAL) {\n velocity = input.overallVelocityY;\n }\n\n return this._super.attrTest.call(this, input) &&\n direction & input.offsetDirection &&\n input.distance > this.options.threshold &&\n input.maxPointers == this.options.pointers &&\n abs(velocity) > this.options.velocity && input.eventType & INPUT_END;\n },\n\n emit: function(input) {\n var direction = directionStr(input.offsetDirection);\n if (direction) {\n this.manager.emit(this.options.event + direction, input);\n }\n\n this.manager.emit(this.options.event, input);\n }\n});\n\n/**\n * A tap is ecognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur\n * between the given interval and position. The delay option can be used to recognize multi-taps without firing\n * a single tap.\n *\n * The eventData from the emitted event contains the property `tapCount`, which contains the amount of\n * multi-taps being recognized.\n * @constructor\n * @extends Recognizer\n */\nfunction TapRecognizer() {\n Recognizer.apply(this, arguments);\n\n // previous time and center,\n // used for tap counting\n this.pTime = false;\n this.pCenter = false;\n\n this._timer = null;\n this._input = null;\n this.count = 0;\n}\n\ninherit(TapRecognizer, Recognizer, {\n /**\n * @namespace\n * @memberof PinchRecognizer\n */\n defaults: {\n event: 'tap',\n pointers: 1,\n taps: 1,\n interval: 300, // max time between the multi-tap taps\n time: 250, // max time of the pointer to be down (like finger on the screen)\n threshold: 9, // a minimal movement is ok, but keep it low\n posThreshold: 10 // a multi-tap can be a bit off the initial position\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_MANIPULATION];\n },\n\n process: function(input) {\n var options = this.options;\n\n var validPointers = input.pointers.length === options.pointers;\n var validMovement = input.distance < options.threshold;\n var validTouchTime = input.deltaTime < options.time;\n\n this.reset();\n\n if ((input.eventType & INPUT_START) && (this.count === 0)) {\n return this.failTimeout();\n }\n\n // we only allow little movement\n // and we've reached an end event, so a tap is possible\n if (validMovement && validTouchTime && validPointers) {\n if (input.eventType != INPUT_END) {\n return this.failTimeout();\n }\n\n var validInterval = this.pTime ? (input.timeStamp - this.pTime < options.interval) : true;\n var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold;\n\n this.pTime = input.timeStamp;\n this.pCenter = input.center;\n\n if (!validMultiTap || !validInterval) {\n this.count = 1;\n } else {\n this.count += 1;\n }\n\n this._input = input;\n\n // if tap count matches we have recognized it,\n // else it has began recognizing...\n var tapCount = this.count % options.taps;\n if (tapCount === 0) {\n // no failing requirements, immediately trigger the tap event\n // or wait as long as the multitap interval to trigger\n if (!this.hasRequireFailures()) {\n return STATE_RECOGNIZED;\n } else {\n this._timer = setTimeoutContext(function() {\n this.state = STATE_RECOGNIZED;\n this.tryEmit();\n }, options.interval, this);\n return STATE_BEGAN;\n }\n }\n }\n return STATE_FAILED;\n },\n\n failTimeout: function() {\n this._timer = setTimeoutContext(function() {\n this.state = STATE_FAILED;\n }, this.options.interval, this);\n return STATE_FAILED;\n },\n\n reset: function() {\n clearTimeout(this._timer);\n },\n\n emit: function() {\n if (this.state == STATE_RECOGNIZED) {\n this._input.tapCount = this.count;\n this.manager.emit(this.options.event, this._input);\n }\n }\n});\n\n/**\n * Simple way to create a manager with a default set of recognizers.\n * @param {HTMLElement} element\n * @param {Object} [options]\n * @constructor\n */\nfunction Hammer(element, options) {\n options = options || {};\n options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);\n return new Manager(element, options);\n}\n\n/**\n * @const {string}\n */\nHammer.VERSION = '2.0.6';\n\n/**\n * default settings\n * @namespace\n */\nHammer.defaults = {\n /**\n * set if DOM events are being triggered.\n * But this is slower and unused by simple implementations, so disabled by default.\n * @type {Boolean}\n * @default false\n */\n domEvents: false,\n\n /**\n * The value for the touchAction property/fallback.\n * When set to `compute` it will magically set the correct value based on the added recognizers.\n * @type {String}\n * @default compute\n */\n touchAction: TOUCH_ACTION_COMPUTE,\n\n /**\n * @type {Boolean}\n * @default true\n */\n enable: true,\n\n /**\n * EXPERIMENTAL FEATURE -- can be removed/changed\n * Change the parent input target element.\n * If Null, then it is being set the to main element.\n * @type {Null|EventTarget}\n * @default null\n */\n inputTarget: null,\n\n /**\n * force an input class\n * @type {Null|Function}\n * @default null\n */\n inputClass: null,\n\n /**\n * Default recognizer setup when calling `Hammer()`\n * When creating a new Manager these will be skipped.\n * @type {Array}\n */\n preset: [\n // RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...]\n [RotateRecognizer, {enable: false}],\n [PinchRecognizer, {enable: false}, ['rotate']],\n [SwipeRecognizer, {direction: DIRECTION_HORIZONTAL}],\n [PanRecognizer, {direction: DIRECTION_HORIZONTAL}, ['swipe']],\n [TapRecognizer],\n [TapRecognizer, {event: 'doubletap', taps: 2}, ['tap']],\n [PressRecognizer]\n ],\n\n /**\n * Some CSS properties can be used to improve the working of Hammer.\n * Add them to this method and they will be set when creating a new Manager.\n * @namespace\n */\n cssProps: {\n /**\n * Disables text selection to improve the dragging gesture. Mainly for desktop browsers.\n * @type {String}\n * @default 'none'\n */\n userSelect: 'none',\n\n /**\n * Disable the Windows Phone grippers when pressing an element.\n * @type {String}\n * @default 'none'\n */\n touchSelect: 'none',\n\n /**\n * Disables the default callout shown when you touch and hold a touch target.\n * On iOS, when you touch and hold a touch target such as a link, Safari displays\n * a callout containing information about the link. This property allows you to disable that callout.\n * @type {String}\n * @default 'none'\n */\n touchCallout: 'none',\n\n /**\n * Specifies whether zooming is enabled. Used by IE10>\n * @type {String}\n * @default 'none'\n */\n contentZooming: 'none',\n\n /**\n * Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.\n * @type {String}\n * @default 'none'\n */\n userDrag: 'none',\n\n /**\n * Overrides the highlight color shown when the user taps a link or a JavaScript\n * clickable element in iOS. This property obeys the alpha value, if specified.\n * @type {String}\n * @default 'rgba(0,0,0,0)'\n */\n tapHighlightColor: 'rgba(0,0,0,0)'\n }\n};\n\nvar STOP = 1;\nvar FORCED_STOP = 2;\n\n/**\n * Manager\n * @param {HTMLElement} element\n * @param {Object} [options]\n * @constructor\n */\nfunction Manager(element, options) {\n this.options = assign({}, Hammer.defaults, options || {});\n\n this.options.inputTarget = this.options.inputTarget || element;\n\n this.handlers = {};\n this.session = {};\n this.recognizers = [];\n\n this.element = element;\n this.input = createInputInstance(this);\n this.touchAction = new TouchAction(this, this.options.touchAction);\n\n toggleCssProps(this, true);\n\n each(this.options.recognizers, function(item) {\n var recognizer = this.add(new (item[0])(item[1]));\n item[2] && recognizer.recognizeWith(item[2]);\n item[3] && recognizer.requireFailure(item[3]);\n }, this);\n}\n\nManager.prototype = {\n /**\n * set options\n * @param {Object} options\n * @returns {Manager}\n */\n set: function(options) {\n assign(this.options, options);\n\n // Options that need a little more setup\n if (options.touchAction) {\n this.touchAction.update();\n }\n if (options.inputTarget) {\n // Clean up existing event listeners and reinitialize\n this.input.destroy();\n this.input.target = options.inputTarget;\n this.input.init();\n }\n return this;\n },\n\n /**\n * stop recognizing for this session.\n * This session will be discarded, when a new [input]start event is fired.\n * When forced, the recognizer cycle is stopped immediately.\n * @param {Boolean} [force]\n */\n stop: function(force) {\n this.session.stopped = force ? FORCED_STOP : STOP;\n },\n\n /**\n * run the recognizers!\n * called by the inputHandler function on every movement of the pointers (touches)\n * it walks through all the recognizers and tries to detect the gesture that is being made\n * @param {Object} inputData\n */\n recognize: function(inputData) {\n var session = this.session;\n if (session.stopped) {\n return;\n }\n\n // run the touch-action polyfill\n this.touchAction.preventDefaults(inputData);\n\n var recognizer;\n var recognizers = this.recognizers;\n\n // this holds the recognizer that is being recognized.\n // so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED\n // if no recognizer is detecting a thing, it is set to `null`\n var curRecognizer = session.curRecognizer;\n\n // reset when the last recognizer is recognized\n // or when we're in a new session\n if (!curRecognizer || (curRecognizer && curRecognizer.state & STATE_RECOGNIZED)) {\n curRecognizer = session.curRecognizer = null;\n }\n\n var i = 0;\n while (i < recognizers.length) {\n recognizer = recognizers[i];\n\n // find out if we are allowed try to recognize the input for this one.\n // 1. allow if the session is NOT forced stopped (see the .stop() method)\n // 2. allow if we still haven't recognized a gesture in this session, or the this recognizer is the one\n // that is being recognized.\n // 3. allow if the recognizer is allowed to run simultaneous with the current recognized recognizer.\n // this can be setup with the `recognizeWith()` method on the recognizer.\n if (session.stopped !== FORCED_STOP && ( // 1\n !curRecognizer || recognizer == curRecognizer || // 2\n recognizer.canRecognizeWith(curRecognizer))) { // 3\n recognizer.recognize(inputData);\n } else {\n recognizer.reset();\n }\n\n // if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the\n // current active recognizer. but only if we don't already have an active recognizer\n if (!curRecognizer && recognizer.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED)) {\n curRecognizer = session.curRecognizer = recognizer;\n }\n i++;\n }\n },\n\n /**\n * get a recognizer by its event name.\n * @param {Recognizer|String} recognizer\n * @returns {Recognizer|Null}\n */\n get: function(recognizer) {\n if (recognizer instanceof Recognizer) {\n return recognizer;\n }\n\n var recognizers = this.recognizers;\n for (var i = 0; i < recognizers.length; i++) {\n if (recognizers[i].options.event == recognizer) {\n return recognizers[i];\n }\n }\n return null;\n },\n\n /**\n * add a recognizer to the manager\n * existing recognizers with the same event name will be removed\n * @param {Recognizer} recognizer\n * @returns {Recognizer|Manager}\n */\n add: function(recognizer) {\n if (invokeArrayArg(recognizer, 'add', this)) {\n return this;\n }\n\n // remove existing\n var existing = this.get(recognizer.options.event);\n if (existing) {\n this.remove(existing);\n }\n\n this.recognizers.push(recognizer);\n recognizer.manager = this;\n\n this.touchAction.update();\n return recognizer;\n },\n\n /**\n * remove a recognizer by name or instance\n * @param {Recognizer|String} recognizer\n * @returns {Manager}\n */\n remove: function(recognizer) {\n if (invokeArrayArg(recognizer, 'remove', this)) {\n return this;\n }\n\n recognizer = this.get(recognizer);\n\n // let's make sure this recognizer exists\n if (recognizer) {\n var recognizers = this.recognizers;\n var index = inArray(recognizers, recognizer);\n\n if (index !== -1) {\n recognizers.splice(index, 1);\n this.touchAction.update();\n }\n }\n\n return this;\n },\n\n /**\n * bind event\n * @param {String} events\n * @param {Function} handler\n * @returns {EventEmitter} this\n */\n on: function(events, handler) {\n var handlers = this.handlers;\n each(splitStr(events), function(event) {\n handlers[event] = handlers[event] || [];\n handlers[event].push(handler);\n });\n return this;\n },\n\n /**\n * unbind event, leave emit blank to remove all handlers\n * @param {String} events\n * @param {Function} [handler]\n * @returns {EventEmitter} this\n */\n off: function(events, handler) {\n var handlers = this.handlers;\n each(splitStr(events), function(event) {\n if (!handler) {\n delete handlers[event];\n } else {\n handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);\n }\n });\n return this;\n },\n\n /**\n * emit event to the listeners\n * @param {String} event\n * @param {Object} data\n */\n emit: function(event, data) {\n // we also want to trigger dom events\n if (this.options.domEvents) {\n triggerDomEvent(event, data);\n }\n\n // no handlers, so skip it all\n var handlers = this.handlers[event] && this.handlers[event].slice();\n if (!handlers || !handlers.length) {\n return;\n }\n\n data.type = event;\n data.preventDefault = function() {\n data.srcEvent.preventDefault();\n };\n\n var i = 0;\n while (i < handlers.length) {\n handlers[i](data);\n i++;\n }\n },\n\n /**\n * destroy the manager and unbinds all events\n * it doesn't unbind dom events, that is the user own responsibility\n */\n destroy: function() {\n this.element && toggleCssProps(this, false);\n\n this.handlers = {};\n this.session = {};\n this.input.destroy();\n this.element = null;\n }\n};\n\n/**\n * add/remove the css properties as defined in manager.options.cssProps\n * @param {Manager} manager\n * @param {Boolean} add\n */\nfunction toggleCssProps(manager, add) {\n var element = manager.element;\n if (!element.style) {\n return;\n }\n each(manager.options.cssProps, function(value, name) {\n element.style[prefixed(element.style, name)] = add ? value : '';\n });\n}\n\n/**\n * trigger dom event\n * @param {String} event\n * @param {Object} data\n */\nfunction triggerDomEvent(event, data) {\n var gestureEvent = document.createEvent('Event');\n gestureEvent.initEvent(event, true, true);\n gestureEvent.gesture = data;\n data.target.dispatchEvent(gestureEvent);\n}\n\nassign(Hammer, {\n INPUT_START: INPUT_START,\n INPUT_MOVE: INPUT_MOVE,\n INPUT_END: INPUT_END,\n INPUT_CANCEL: INPUT_CANCEL,\n\n STATE_POSSIBLE: STATE_POSSIBLE,\n STATE_BEGAN: STATE_BEGAN,\n STATE_CHANGED: STATE_CHANGED,\n STATE_ENDED: STATE_ENDED,\n STATE_RECOGNIZED: STATE_RECOGNIZED,\n STATE_CANCELLED: STATE_CANCELLED,\n STATE_FAILED: STATE_FAILED,\n\n DIRECTION_NONE: DIRECTION_NONE,\n DIRECTION_LEFT: DIRECTION_LEFT,\n DIRECTION_RIGHT: DIRECTION_RIGHT,\n DIRECTION_UP: DIRECTION_UP,\n DIRECTION_DOWN: DIRECTION_DOWN,\n DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL,\n DIRECTION_VERTICAL: DIRECTION_VERTICAL,\n DIRECTION_ALL: DIRECTION_ALL,\n\n Manager: Manager,\n Input: Input,\n TouchAction: TouchAction,\n\n TouchInput: TouchInput,\n MouseInput: MouseInput,\n PointerEventInput: PointerEventInput,\n TouchMouseInput: TouchMouseInput,\n SingleTouchInput: SingleTouchInput,\n\n Recognizer: Recognizer,\n AttrRecognizer: AttrRecognizer,\n Tap: TapRecognizer,\n Pan: PanRecognizer,\n Swipe: SwipeRecognizer,\n Pinch: PinchRecognizer,\n Rotate: RotateRecognizer,\n Press: PressRecognizer,\n\n on: addEventListeners,\n off: removeEventListeners,\n each: each,\n merge: merge,\n extend: extend,\n assign: assign,\n inherit: inherit,\n bindFn: bindFn,\n prefixed: prefixed\n});\n\n// this prevents errors when Hammer is loaded in the presence of an AMD\n// style loader but by script tag, not by the loader.\nvar freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {})); // jshint ignore:line\nfreeGlobal.Hammer = Hammer;\n\nif (typeof define === 'function' && define.amd) {\n define(function() {\n return Hammer;\n });\n} else if (typeof module != 'undefined' && module.exports) {\n module.exports = Hammer;\n} else {\n window[exportName] = Hammer;\n}\n\n})(window, document, 'Hammer');\n","// Snap.svg 0.3.0\n// \n// Copyright (c) 2013 – 2014 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n// \n// build: 2014-09-08\n\n(function (glob, factory) {\n // AMD support\n if (typeof define === \"function\" && define.amd) {\n // Define as an anonymous module\n define([\"eve\"], function( eve ) {\n return factory(glob, eve);\n });\n } else if (typeof exports !== 'undefined') {\n // Next for Node.js or CommonJS\n var eve = require(237);\n module.exports = factory(glob, eve);\n } else {\n // Browser globals (glob is window)\n // Snap adds itself to window\n factory(glob, glob.eve);\n }\n}(window || this, function (window, eve) {\n\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nvar mina = (function (eve) {\n var animations = {},\n requestAnimFrame = window.requestAnimationFrame ||\n window.webkitRequestAnimationFrame ||\n window.mozRequestAnimationFrame ||\n window.oRequestAnimationFrame ||\n window.msRequestAnimationFrame ||\n function (callback) {\n setTimeout(callback, 16);\n },\n isArray = Array.isArray || function (a) {\n return a instanceof Array ||\n Object.prototype.toString.call(a) == \"[object Array]\";\n },\n idgen = 0,\n idprefix = \"M\" + (+new Date).toString(36),\n ID = function () {\n return idprefix + (idgen++).toString(36);\n },\n diff = function (a, b, A, B) {\n if (isArray(a)) {\n res = [];\n for (var i = 0, ii = a.length; i < ii; i++) {\n res[i] = diff(a[i], b, A[i], B);\n }\n return res;\n }\n var dif = (A - a) / (B - b);\n return function (bb) {\n return a + dif * (bb - b);\n };\n },\n timer = Date.now || function () {\n return +new Date;\n },\n sta = function (val) {\n var a = this;\n if (val == null) {\n return a.s;\n }\n var ds = a.s - val;\n a.b += a.dur * ds;\n a.B += a.dur * ds;\n a.s = val;\n },\n speed = function (val) {\n var a = this;\n if (val == null) {\n return a.spd;\n }\n a.spd = val;\n },\n duration = function (val) {\n var a = this;\n if (val == null) {\n return a.dur;\n }\n a.s = a.s * val / a.dur;\n a.dur = val;\n },\n stopit = function () {\n var a = this;\n delete animations[a.id];\n a.update();\n eve(\"mina.stop.\" + a.id, a);\n },\n pause = function () {\n var a = this;\n if (a.pdif) {\n return;\n }\n delete animations[a.id];\n a.update();\n a.pdif = a.get() - a.b;\n },\n resume = function () {\n var a = this;\n if (!a.pdif) {\n return;\n }\n a.b = a.get() - a.pdif;\n delete a.pdif;\n animations[a.id] = a;\n },\n update = function () {\n var a = this,\n res;\n if (isArray(a.start)) {\n res = [];\n for (var j = 0, jj = a.start.length; j < jj; j++) {\n res[j] = +a.start[j] +\n (a.end[j] - a.start[j]) * a.easing(a.s);\n }\n } else {\n res = +a.start + (a.end - a.start) * a.easing(a.s);\n }\n a.set(res);\n },\n frame = function () {\n var len = 0;\n for (var i in animations) if (animations.hasOwnProperty(i)) {\n var a = animations[i],\n b = a.get(),\n res;\n len++;\n a.s = (b - a.b) / (a.dur / a.spd);\n if (a.s >= 1) {\n delete animations[i];\n a.s = 1;\n len--;\n (function (a) {\n setTimeout(function () {\n eve(\"mina.finish.\" + a.id, a);\n });\n }(a));\n }\n a.update();\n }\n len && requestAnimFrame(frame);\n },\n /*/\n * mina\n [ method ]\n **\n * Generic animation of numbers\n **\n - a (number) start _slave_ number\n - A (number) end _slave_ number\n - b (number) start _master_ number (start time in general case)\n - B (number) end _master_ number (end time in gereal case)\n - get (function) getter of _master_ number (see @mina.time)\n - set (function) setter of _slave_ number\n - easing (function) #optional easing function, default is @mina.linear\n = (object) animation descriptor\n o {\n o id (string) animation id,\n o start (number) start _slave_ number,\n o end (number) end _slave_ number,\n o b (number) start _master_ number,\n o s (number) animation status (0..1),\n o dur (number) animation duration,\n o spd (number) animation speed,\n o get (function) getter of _master_ number (see @mina.time),\n o set (function) setter of _slave_ number,\n o easing (function) easing function, default is @mina.linear,\n o status (function) status getter/setter,\n o speed (function) speed getter/setter,\n o duration (function) duration getter/setter,\n o stop (function) animation stopper\n o pause (function) pauses the animation\n o resume (function) resumes the animation\n o update (function) calles setter with the right value of the animation\n o }\n /*/\n mina = function (a, A, b, B, get, set, easing) {\n var anim = {\n id: ID(),\n start: a,\n end: A,\n b: b,\n s: 0,\n dur: B - b,\n spd: 1,\n get: get,\n set: set,\n easing: easing || mina.linear,\n status: sta,\n speed: speed,\n duration: duration,\n stop: stopit,\n pause: pause,\n resume: resume,\n update: update\n };\n animations[anim.id] = anim;\n var len = 0, i;\n for (i in animations) if (animations.hasOwnProperty(i)) {\n len++;\n if (len == 2) {\n break;\n }\n }\n len == 1 && requestAnimFrame(frame);\n return anim;\n };\n /*/\n * mina.time\n [ method ]\n **\n * Returns the current time. Equivalent to:\n | function () {\n | return (new Date).getTime();\n | }\n /*/\n mina.time = timer;\n /*/\n * mina.getById\n [ method ]\n **\n * Returns an animation by its id\n - id (string) animation's id\n = (object) See @mina\n /*/\n mina.getById = function (id) {\n return animations[id] || null;\n };\n\n /*/\n * mina.linear\n [ method ]\n **\n * Default linear easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.linear = function (n) {\n return n;\n };\n /*/\n * mina.easeout\n [ method ]\n **\n * Easeout easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.easeout = function (n) {\n return Math.pow(n, 1.7);\n };\n /*/\n * mina.easein\n [ method ]\n **\n * Easein easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.easein = function (n) {\n return Math.pow(n, .48);\n };\n /*/\n * mina.easeinout\n [ method ]\n **\n * Easeinout easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.easeinout = function (n) {\n if (n == 1) {\n return 1;\n }\n if (n == 0) {\n return 0;\n }\n var q = .48 - n / 1.04,\n Q = Math.sqrt(.1734 + q * q),\n x = Q - q,\n X = Math.pow(Math.abs(x), 1 / 3) * (x < 0 ? -1 : 1),\n y = -Q - q,\n Y = Math.pow(Math.abs(y), 1 / 3) * (y < 0 ? -1 : 1),\n t = X + Y + .5;\n return (1 - t) * 3 * t * t + t * t * t;\n };\n /*/\n * mina.backin\n [ method ]\n **\n * Backin easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.backin = function (n) {\n if (n == 1) {\n return 1;\n }\n var s = 1.70158;\n return n * n * ((s + 1) * n - s);\n };\n /*/\n * mina.backout\n [ method ]\n **\n * Backout easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.backout = function (n) {\n if (n == 0) {\n return 0;\n }\n n = n - 1;\n var s = 1.70158;\n return n * n * ((s + 1) * n + s) + 1;\n };\n /*/\n * mina.elastic\n [ method ]\n **\n * Elastic easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.elastic = function (n) {\n if (n == !!n) {\n return n;\n }\n return Math.pow(2, -10 * n) * Math.sin((n - .075) *\n (2 * Math.PI) / .3) + 1;\n };\n /*/\n * mina.bounce\n [ method ]\n **\n * Bounce easing\n - n (number) input 0..1\n = (number) output 0..1\n /*/\n mina.bounce = function (n) {\n var s = 7.5625,\n p = 2.75,\n l;\n if (n < (1 / p)) {\n l = s * n * n;\n } else {\n if (n < (2 / p)) {\n n -= (1.5 / p);\n l = s * n * n + .75;\n } else {\n if (n < (2.5 / p)) {\n n -= (2.25 / p);\n l = s * n * n + .9375;\n } else {\n n -= (2.625 / p);\n l = s * n * n + .984375;\n }\n }\n }\n return l;\n };\n window.mina = mina;\n return mina;\n})(typeof eve == \"undefined\" ? function () {} : eve);\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n//\n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n//\n// http://www.apache.org/licenses/LICENSE-2.0\n//\n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n\nvar Snap = (function(root) {\nSnap.version = \"0.3.0\";\n/*/\n * Snap\n [ method ]\n **\n * Creates a drawing surface or wraps existing SVG element.\n **\n - width (number|string) width of surface\n - height (number|string) height of surface\n * or\n - DOM (SVGElement) element to be wrapped into Snap structure\n * or\n - array (array) array of elements (will return set of elements)\n * or\n - query (string) CSS query selector\n = (object) @Element\n/*/\nfunction Snap(w, h) {\n if (w) {\n if (w.tagName) {\n return wrap(w);\n }\n if (is(w, \"array\") && Snap.set) {\n return Snap.set.apply(Snap, w);\n }\n if (w instanceof Element) {\n return w;\n }\n if (h == null) {\n w = glob.doc.querySelector(w);\n return wrap(w);\n }\n }\n w = w == null ? \"100%\" : w;\n h = h == null ? \"100%\" : h;\n return new Paper(w, h);\n}\nSnap.toString = function () {\n return \"Snap v\" + this.version;\n};\nSnap._ = {};\nvar glob = {\n win: root.window,\n doc: root.window.document\n};\nSnap._.glob = glob;\nvar has = \"hasOwnProperty\",\n Str = String,\n toFloat = parseFloat,\n toInt = parseInt,\n math = Math,\n mmax = math.max,\n mmin = math.min,\n abs = math.abs,\n pow = math.pow,\n PI = math.PI,\n round = math.round,\n E = \"\",\n S = \" \",\n objectToString = Object.prototype.toString,\n ISURL = /^url/(['\"]?([^/)]+?)['\"]?/)$/i,\n colourRegExp = /^/s*((#[a-f/d]{6})|(#[a-f/d]{3})|rgba?/(/s*([/d/.]+%?/s*,/s*[/d/.]+%?/s*,/s*[/d/.]+%?(?:/s*,/s*[/d/.]+%?)?)/s*/)|hsba?/(/s*([/d/.]+(?:deg|/xb0|%)?/s*,/s*[/d/.]+%?/s*,/s*[/d/.]+(?:%?/s*,/s*[/d/.]+)?%?)/s*/)|hsla?/(/s*([/d/.]+(?:deg|/xb0|%)?/s*,/s*[/d/.]+%?/s*,/s*[/d/.]+(?:%?/s*,/s*[/d/.]+)?%?)/s*/))/s*$/i,\n bezierrg = /^(?:cubic-)?bezier/(([^,]+),([^,]+),([^,]+),([^/)]+)/)/,\n reURLValue = /^url/(#?([^)]+)/)$/,\n separator = Snap._.separator = /[,/s]+/,\n whitespace = /[/s]/g,\n commaSpaces = /[/s]*,[/s]*/,\n hsrg = {hs: 1, rg: 1},\n pathCommand = /([a-z])[/s,]*((-?/d*/.?/d*(?:e[/-+]?/d+)?[/s]*,?[/s]*)+)/ig,\n tCommand = /([rstm])[/s,]*((-?/d*/.?/d*(?:e[/-+]?/d+)?[/s]*,?[/s]*)+)/ig,\n pathValues = /(-?/d*/.?/d*(?:e[/-+]?//d+)?)[/s]*,?[/s]*/ig,\n idgen = 0,\n idprefix = \"S\" + (+new Date).toString(36),\n ID = function (el) {\n return (el && el.type ? el.type : E) + idprefix + (idgen++).toString(36);\n },\n xlink = \"http://www.w3.org/1999/xlink\",\n xmlns = \"http://www.w3.org/2000/svg\",\n hub = {},\n URL = Snap.url = function (url) {\n return \"url('#\" + url + \"')\";\n };\n\nfunction $(el, attr) {\n if (attr) {\n if (el == \"#text\") {\n el = glob.doc.createTextNode(attr.text || \"\");\n }\n if (typeof el == \"string\") {\n el = $(el);\n }\n if (typeof attr == \"string\") {\n if (attr.substring(0, 6) == \"xlink:\") {\n return el.getAttributeNS(xlink, attr.substring(6));\n }\n if (attr.substring(0, 4) == \"xml:\") {\n return el.getAttributeNS(xmlns, attr.substring(4));\n }\n return el.getAttribute(attr);\n }\n for (var key in attr) if (attr[has](key)) {\n var val = Str(attr[key]);\n if (val) {\n if (key.substring(0, 6) == \"xlink:\") {\n el.setAttributeNS(xlink, key.substring(6), val);\n } else if (key.substring(0, 4) == \"xml:\") {\n el.setAttributeNS(xmlns, key.substring(4), val);\n } else {\n el.setAttribute(key, val);\n }\n } else {\n el.removeAttribute(key);\n }\n }\n } else {\n el = glob.doc.createElementNS(xmlns, el);\n }\n return el;\n}\nSnap._.$ = $;\nSnap._.id = ID;\nfunction getAttrs(el) {\n var attrs = el.attributes,\n name,\n out = {};\n for (var i = 0; i < attrs.length; i++) {\n if (attrs[i].namespaceURI == xlink) {\n name = \"xlink:\";\n } else {\n name = \"\";\n }\n name += attrs[i].name;\n out[name] = attrs[i].textContent;\n }\n return out;\n}\nfunction is(o, type) {\n type = Str.prototype.toLowerCase.call(type);\n if (type == \"finite\") {\n return isFinite(o);\n }\n if (type == \"array\" &&\n (o instanceof Array || Array.isArray && Array.isArray(o))) {\n return true;\n }\n return (type == \"null\" && o === null) ||\n (type == typeof o && o !== null) ||\n (type == \"object\" && o === Object(o)) ||\n objectToString.call(o).slice(8, -1).toLowerCase() == type;\n}\n/*/\n * Snap.format\n [ method ]\n **\n * Replaces construction of type `{<name>}` to the corresponding argument\n **\n - token (string) string to format\n - json (object) object which properties are used as a replacement\n = (string) formatted string\n > Usage\n | // this draws a rectangular shape equivalent to \"M10,20h40v50h-40z\"\n | paper.path(Snap.format(\"M{x},{y}h{dim.width}v{dim.height}h{dim['negative width']}z\", {\n | x: 10,\n | y: 20,\n | dim: {\n | width: 40,\n | height: 50,\n | \"negative width\": -40\n | }\n | }));\n/*/\nSnap.format = (function () {\n var tokenRegex = //{([^/}]+)/}/g,\n objNotationRegex = /(?:(?:^|/.)(.+?)(?=/[|/.|$|/()|/[('|\")(.+?)/2/])(/(/))?/g, // matches .xxxxx or [\"xxxxx\"] to run over object properties\n replacer = function (all, key, obj) {\n var res = obj;\n key.replace(objNotationRegex, function (all, name, quote, quotedName, isFunc) {\n name = name || quotedName;\n if (res) {\n if (name in res) {\n res = res[name];\n }\n typeof res == \"function\" && isFunc && (res = res());\n }\n });\n res = (res == null || res == obj ? all : res) + \"\";\n return res;\n };\n return function (str, obj) {\n return Str(str).replace(tokenRegex, function (all, key) {\n return replacer(all, key, obj);\n });\n };\n})();\nfunction clone(obj) {\n if (typeof obj == \"function\" || Object(obj) !== obj) {\n return obj;\n }\n var res = new obj.constructor;\n for (var key in obj) if (obj[has](key)) {\n res[key] = clone(obj[key]);\n }\n return res;\n}\nSnap._.clone = clone;\nfunction repush(array, item) {\n for (var i = 0, ii = array.length; i < ii; i++) if (array[i] === item) {\n return array.push(array.splice(i, 1)[0]);\n }\n}\nfunction cacher(f, scope, postprocessor) {\n function newf() {\n var arg = Array.prototype.slice.call(arguments, 0),\n args = arg.join(\"/u2400\"),\n cache = newf.cache = newf.cache || {},\n count = newf.count = newf.count || [];\n if (cache[has](args)) {\n repush(count, args);\n return postprocessor ? postprocessor(cache[args]) : cache[args];\n }\n count.length >= 1e3 && delete cache[count.shift()];\n count.push(args);\n cache[args] = f.apply(scope, arg);\n return postprocessor ? postprocessor(cache[args]) : cache[args];\n }\n return newf;\n}\nSnap._.cacher = cacher;\nfunction angle(x1, y1, x2, y2, x3, y3) {\n if (x3 == null) {\n var x = x1 - x2,\n y = y1 - y2;\n if (!x && !y) {\n return 0;\n }\n return (180 + math.atan2(-y, -x) * 180 / PI + 360) % 360;\n } else {\n return angle(x1, y1, x3, y3) - angle(x2, y2, x3, y3);\n }\n}\nfunction rad(deg) {\n return deg % 360 * PI / 180;\n}\nfunction deg(rad) {\n return rad * 180 / PI % 360;\n}\nfunction x_y() {\n return this.x + S + this.y;\n}\nfunction x_y_w_h() {\n return this.x + S + this.y + S + this.width + \" /xd7 \" + this.height;\n}\n\n/*/\n * Snap.rad\n [ method ]\n **\n * Transform angle to radians\n - deg (number) angle in degrees\n = (number) angle in radians\n/*/\nSnap.rad = rad;\n/*/\n * Snap.deg\n [ method ]\n **\n * Transform angle to degrees\n - rad (number) angle in radians\n = (number) angle in degrees\n/*/\nSnap.deg = deg;\n/*/\n * Snap.angle\n [ method ]\n **\n * Returns an angle between two or three points\n > Parameters\n - x1 (number) x coord of first point\n - y1 (number) y coord of first point\n - x2 (number) x coord of second point\n - y2 (number) y coord of second point\n - x3 (number) #optional x coord of third point\n - y3 (number) #optional y coord of third point\n = (number) angle in degrees\n/*/\nSnap.angle = angle;\n/*/\n * Snap.is\n [ method ]\n **\n * Handy replacement for the `typeof` operator\n - o (…) any object or primitive\n - type (string) name of the type, e.g., `string`, `function`, `number`, etc.\n = (boolean) `true` if given value is of given type\n/*/\nSnap.is = is;\n/*/\n * Snap.snapTo\n [ method ]\n **\n * Snaps given value to given grid\n - values (array|number) given array of values or step of the grid\n - value (number) value to adjust\n - tolerance (number) #optional maximum distance to the target value that would trigger the snap. Default is `10`.\n = (number) adjusted value\n/*/\nSnap.snapTo = function (values, value, tolerance) {\n tolerance = is(tolerance, \"finite\") ? tolerance : 10;\n if (is(values, \"array\")) {\n var i = values.length;\n while (i--) if (abs(values[i] - value) <= tolerance) {\n return values[i];\n }\n } else {\n values = +values;\n var rem = value % values;\n if (rem < tolerance) {\n return value - rem;\n }\n if (rem > values - tolerance) {\n return value - rem + values;\n }\n }\n return value;\n};\n// Colour\n/*/\n * Snap.getRGB\n [ method ]\n **\n * Parses color string as RGB object\n - color (string) color string in one of the following formats:\n # <ul>\n # <li>Color name (<code>red</code>, <code>green</code>, <code>cornflowerblue</code>, etc)</li>\n # <li>#••• — shortened HTML color: (<code>#000</code>, <code>#fc0</code>, etc.)</li>\n # <li>#•••••• — full length HTML color: (<code>#000000</code>, <code>#bd2300</code>)</li>\n # <li>rgb(•••, •••, •••) — red, green and blue channels values: (<code>rgb(200,&nbsp;100,&nbsp;0)</code>)</li>\n # <li>rgba(•••, •••, •••, •••) — also with opacity</li>\n # <li>rgb(•••%, •••%, •••%) — same as above, but in %: (<code>rgb(100%,&nbsp;175%,&nbsp;0%)</code>)</li>\n # <li>rgba(•••%, •••%, •••%, •••%) — also with opacity</li>\n # <li>hsb(•••, •••, •••) — hue, saturation and brightness values: (<code>hsb(0.5,&nbsp;0.25,&nbsp;1)</code>)</li>\n # <li>hsba(•••, •••, •••, •••) — also with opacity</li>\n # <li>hsb(•••%, •••%, •••%) — same as above, but in %</li>\n # <li>hsba(•••%, •••%, •••%, •••%) — also with opacity</li>\n # <li>hsl(•••, •••, •••) — hue, saturation and luminosity values: (<code>hsb(0.5,&nbsp;0.25,&nbsp;0.5)</code>)</li>\n # <li>hsla(•••, •••, •••, •••) — also with opacity</li>\n # <li>hsl(•••%, •••%, •••%) — same as above, but in %</li>\n # <li>hsla(•••%, •••%, •••%, •••%) — also with opacity</li>\n # </ul>\n * Note that `%` can be used any time: `rgb(20%, 255, 50%)`.\n = (object) RGB object in the following format:\n o {\n o r (number) red,\n o g (number) green,\n o b (number) blue,\n o hex (string) color in HTML/CSS format: #••••••,\n o error (boolean) true if string can't be parsed\n o }\n/*/\nSnap.getRGB = cacher(function (colour) {\n if (!colour || !!((colour = Str(colour)).indexOf(\"-\") + 1)) {\n return {r: -1, g: -1, b: -1, hex: \"none\", error: 1, toString: rgbtoString};\n }\n if (colour == \"none\") {\n return {r: -1, g: -1, b: -1, hex: \"none\", toString: rgbtoString};\n }\n !(hsrg[has](colour.toLowerCase().substring(0, 2)) || colour.charAt() == \"#\") && (colour = toHex(colour));\n if (!colour) {\n return {r: -1, g: -1, b: -1, hex: \"none\", error: 1, toString: rgbtoString};\n }\n var res,\n red,\n green,\n blue,\n opacity,\n t,\n values,\n rgb = colour.match(colourRegExp);\n if (rgb) {\n if (rgb[2]) {\n blue = toInt(rgb[2].substring(5), 16);\n green = toInt(rgb[2].substring(3, 5), 16);\n red = toInt(rgb[2].substring(1, 3), 16);\n }\n if (rgb[3]) {\n blue = toInt((t = rgb[3].charAt(3)) + t, 16);\n green = toInt((t = rgb[3].charAt(2)) + t, 16);\n red = toInt((t = rgb[3].charAt(1)) + t, 16);\n }\n if (rgb[4]) {\n values = rgb[4].split(commaSpaces);\n red = toFloat(values[0]);\n values[0].slice(-1) == \"%\" && (red *= 2.55);\n green = toFloat(values[1]);\n values[1].slice(-1) == \"%\" && (green *= 2.55);\n blue = toFloat(values[2]);\n values[2].slice(-1) == \"%\" && (blue *= 2.55);\n rgb[1].toLowerCase().slice(0, 4) == \"rgba\" && (opacity = toFloat(values[3]));\n values[3] && values[3].slice(-1) == \"%\" && (opacity /= 100);\n }\n if (rgb[5]) {\n values = rgb[5].split(commaSpaces);\n red = toFloat(values[0]);\n values[0].slice(-1) == \"%\" && (red /= 100);\n green = toFloat(values[1]);\n values[1].slice(-1) == \"%\" && (green /= 100);\n blue = toFloat(values[2]);\n values[2].slice(-1) == \"%\" && (blue /= 100);\n (values[0].slice(-3) == \"deg\" || values[0].slice(-1) == \"/xb0\") && (red /= 360);\n rgb[1].toLowerCase().slice(0, 4) == \"hsba\" && (opacity = toFloat(values[3]));\n values[3] && values[3].slice(-1) == \"%\" && (opacity /= 100);\n return Snap.hsb2rgb(red, green, blue, opacity);\n }\n if (rgb[6]) {\n values = rgb[6].split(commaSpaces);\n red = toFloat(values[0]);\n values[0].slice(-1) == \"%\" && (red /= 100);\n green = toFloat(values[1]);\n values[1].slice(-1) == \"%\" && (green /= 100);\n blue = toFloat(values[2]);\n values[2].slice(-1) == \"%\" && (blue /= 100);\n (values[0].slice(-3) == \"deg\" || values[0].slice(-1) == \"/xb0\") && (red /= 360);\n rgb[1].toLowerCase().slice(0, 4) == \"hsla\" && (opacity = toFloat(values[3]));\n values[3] && values[3].slice(-1) == \"%\" && (opacity /= 100);\n return Snap.hsl2rgb(red, green, blue, opacity);\n }\n red = mmin(math.round(red), 255);\n green = mmin(math.round(green), 255);\n blue = mmin(math.round(blue), 255);\n opacity = mmin(mmax(opacity, 0), 1);\n rgb = {r: red, g: green, b: blue, toString: rgbtoString};\n rgb.hex = \"#\" + (16777216 | blue | (green << 8) | (red << 16)).toString(16).slice(1);\n rgb.opacity = is(opacity, \"finite\") ? opacity : 1;\n return rgb;\n }\n return {r: -1, g: -1, b: -1, hex: \"none\", error: 1, toString: rgbtoString};\n}, Snap);\n// SIERRA It seems odd that the following 3 conversion methods are not expressed as .this2that(), like the others.\n/*/\n * Snap.hsb\n [ method ]\n **\n * Converts HSB values to a hex representation of the color\n - h (number) hue\n - s (number) saturation\n - b (number) value or brightness\n = (string) hex representation of the color\n/*/\nSnap.hsb = cacher(function (h, s, b) {\n return Snap.hsb2rgb(h, s, b).hex;\n});\n/*/\n * Snap.hsl\n [ method ]\n **\n * Converts HSL values to a hex representation of the color\n - h (number) hue\n - s (number) saturation\n - l (number) luminosity\n = (string) hex representation of the color\n/*/\nSnap.hsl = cacher(function (h, s, l) {\n return Snap.hsl2rgb(h, s, l).hex;\n});\n/*/\n * Snap.rgb\n [ method ]\n **\n * Converts RGB values to a hex representation of the color\n - r (number) red\n - g (number) green\n - b (number) blue\n = (string) hex representation of the color\n/*/\nSnap.rgb = cacher(function (r, g, b, o) {\n if (is(o, \"finite\")) {\n var round = math.round;\n return \"rgba(\" + [round(r), round(g), round(b), +o.toFixed(2)] + \")\";\n }\n return \"#\" + (16777216 | b | (g << 8) | (r << 16)).toString(16).slice(1);\n});\nvar toHex = function (color) {\n var i = glob.doc.getElementsByTagName(\"head\")[0] || glob.doc.getElementsByTagName(\"svg\")[0],\n red = \"rgb(255, 0, 0)\";\n toHex = cacher(function (color) {\n if (color.toLowerCase() == \"red\") {\n return red;\n }\n i.style.color = red;\n i.style.color = color;\n var out = glob.doc.defaultView.getComputedStyle(i, E).getPropertyValue(\"color\");\n return out == red ? null : out;\n });\n return toHex(color);\n},\nhsbtoString = function () {\n return \"hsb(\" + [this.h, this.s, this.b] + \")\";\n},\nhsltoString = function () {\n return \"hsl(\" + [this.h, this.s, this.l] + \")\";\n},\nrgbtoString = function () {\n return this.opacity == 1 || this.opacity == null ?\n this.hex :\n \"rgba(\" + [this.r, this.g, this.b, this.opacity] + \")\";\n},\nprepareRGB = function (r, g, b) {\n if (g == null && is(r, \"object\") && \"r\" in r && \"g\" in r && \"b\" in r) {\n b = r.b;\n g = r.g;\n r = r.r;\n }\n if (g == null && is(r, string)) {\n var clr = Snap.getRGB(r);\n r = clr.r;\n g = clr.g;\n b = clr.b;\n }\n if (r > 1 || g > 1 || b > 1) {\n r /= 255;\n g /= 255;\n b /= 255;\n }\n\n return [r, g, b];\n},\npackageRGB = function (r, g, b, o) {\n r = math.round(r * 255);\n g = math.round(g * 255);\n b = math.round(b * 255);\n var rgb = {\n r: r,\n g: g,\n b: b,\n opacity: is(o, \"finite\") ? o : 1,\n hex: Snap.rgb(r, g, b),\n toString: rgbtoString\n };\n is(o, \"finite\") && (rgb.opacity = o);\n return rgb;\n};\n// SIERRA Clarify if Snap does not support consolidated HSLA/RGBA colors. E.g., can you specify a semi-transparent value for Snap.filter.shadow()?\n/*/\n * Snap.color\n [ method ]\n **\n * Parses the color string and returns an object featuring the color's component values\n - clr (string) color string in one of the supported formats (see @Snap.getRGB)\n = (object) Combined RGB/HSB object in the following format:\n o {\n o r (number) red,\n o g (number) green,\n o b (number) blue,\n o hex (string) color in HTML/CSS format: #••••••,\n o error (boolean) `true` if string can't be parsed,\n o h (number) hue,\n o s (number) saturation,\n o v (number) value (brightness),\n o l (number) lightness\n o }\n/*/\nSnap.color = function (clr) {\n var rgb;\n if (is(clr, \"object\") && \"h\" in clr && \"s\" in clr && \"b\" in clr) {\n rgb = Snap.hsb2rgb(clr);\n clr.r = rgb.r;\n clr.g = rgb.g;\n clr.b = rgb.b;\n clr.opacity = 1;\n clr.hex = rgb.hex;\n } else if (is(clr, \"object\") && \"h\" in clr && \"s\" in clr && \"l\" in clr) {\n rgb = Snap.hsl2rgb(clr);\n clr.r = rgb.r;\n clr.g = rgb.g;\n clr.b = rgb.b;\n clr.opacity = 1;\n clr.hex = rgb.hex;\n } else {\n if (is(clr, \"string\")) {\n clr = Snap.getRGB(clr);\n }\n if (is(clr, \"object\") && \"r\" in clr && \"g\" in clr && \"b\" in clr && !(\"error\" in clr)) {\n rgb = Snap.rgb2hsl(clr);\n clr.h = rgb.h;\n clr.s = rgb.s;\n clr.l = rgb.l;\n rgb = Snap.rgb2hsb(clr);\n clr.v = rgb.b;\n } else {\n clr = {hex: \"none\"};\n clr.r = clr.g = clr.b = clr.h = clr.s = clr.v = clr.l = -1;\n clr.error = 1;\n }\n }\n clr.toString = rgbtoString;\n return clr;\n};\n/*/\n * Snap.hsb2rgb\n [ method ]\n **\n * Converts HSB values to an RGB object\n - h (number) hue\n - s (number) saturation\n - v (number) value or brightness\n = (object) RGB object in the following format:\n o {\n o r (number) red,\n o g (number) green,\n o b (number) blue,\n o hex (string) color in HTML/CSS format: #••••••\n o }\n/*/\nSnap.hsb2rgb = function (h, s, v, o) {\n if (is(h, \"object\") && \"h\" in h && \"s\" in h && \"b\" in h) {\n v = h.b;\n s = h.s;\n h = h.h;\n o = h.o;\n }\n h *= 360;\n var R, G, B, X, C;\n h = (h % 360) / 60;\n C = v * s;\n X = C * (1 - abs(h % 2 - 1));\n R = G = B = v - C;\n\n h = ~~h;\n R += [C, X, 0, 0, X, C][h];\n G += [X, C, C, X, 0, 0][h];\n B += [0, 0, X, C, C, X][h];\n return packageRGB(R, G, B, o);\n};\n/*/\n * Snap.hsl2rgb\n [ method ]\n **\n * Converts HSL values to an RGB object\n - h (number) hue\n - s (number) saturation\n - l (number) luminosity\n = (object) RGB object in the following format:\n o {\n o r (number) red,\n o g (number) green,\n o b (number) blue,\n o hex (string) color in HTML/CSS format: #••••••\n o }\n/*/\nSnap.hsl2rgb = function (h, s, l, o) {\n if (is(h, \"object\") && \"h\" in h && \"s\" in h && \"l\" in h) {\n l = h.l;\n s = h.s;\n h = h.h;\n }\n if (h > 1 || s > 1 || l > 1) {\n h /= 360;\n s /= 100;\n l /= 100;\n }\n h *= 360;\n var R, G, B, X, C;\n h = (h % 360) / 60;\n C = 2 * s * (l < .5 ? l : 1 - l);\n X = C * (1 - abs(h % 2 - 1));\n R = G = B = l - C / 2;\n\n h = ~~h;\n R += [C, X, 0, 0, X, C][h];\n G += [X, C, C, X, 0, 0][h];\n B += [0, 0, X, C, C, X][h];\n return packageRGB(R, G, B, o);\n};\n/*/\n * Snap.rgb2hsb\n [ method ]\n **\n * Converts RGB values to an HSB object\n - r (number) red\n - g (number) green\n - b (number) blue\n = (object) HSB object in the following format:\n o {\n o h (number) hue,\n o s (number) saturation,\n o b (number) brightness\n o }\n/*/\nSnap.rgb2hsb = function (r, g, b) {\n b = prepareRGB(r, g, b);\n r = b[0];\n g = b[1];\n b = b[2];\n\n var H, S, V, C;\n V = mmax(r, g, b);\n C = V - mmin(r, g, b);\n H = (C == 0 ? null :\n V == r ? (g - b) / C :\n V == g ? (b - r) / C + 2 :\n (r - g) / C + 4\n );\n H = ((H + 360) % 6) * 60 / 360;\n S = C == 0 ? 0 : C / V;\n return {h: H, s: S, b: V, toString: hsbtoString};\n};\n/*/\n * Snap.rgb2hsl\n [ method ]\n **\n * Converts RGB values to an HSL object\n - r (number) red\n - g (number) green\n - b (number) blue\n = (object) HSL object in the following format:\n o {\n o h (number) hue,\n o s (number) saturation,\n o l (number) luminosity\n o }\n/*/\nSnap.rgb2hsl = function (r, g, b) {\n b = prepareRGB(r, g, b);\n r = b[0];\n g = b[1];\n b = b[2];\n\n var H, S, L, M, m, C;\n M = mmax(r, g, b);\n m = mmin(r, g, b);\n C = M - m;\n H = (C == 0 ? null :\n M == r ? (g - b) / C :\n M == g ? (b - r) / C + 2 :\n (r - g) / C + 4);\n H = ((H + 360) % 6) * 60 / 360;\n L = (M + m) / 2;\n S = (C == 0 ? 0 :\n L < .5 ? C / (2 * L) :\n C / (2 - 2 * L));\n return {h: H, s: S, l: L, toString: hsltoString};\n};\n\n// Transformations\n// SIERRA Snap.parsePathString(): By _array of arrays,_ I assume you mean a format like this for two separate segments? [ [\"M10,10\",\"L90,90\"], [\"M90,10\",\"L10,90\"] ] Otherwise how is each command structured?\n/*/\n * Snap.parsePathString\n [ method ]\n **\n * Utility method\n **\n * Parses given path string into an array of arrays of path segments\n - pathString (string|array) path string or array of segments (in the last case it is returned straight away)\n = (array) array of segments\n/*/\nSnap.parsePathString = function (pathString) {\n if (!pathString) {\n return null;\n }\n var pth = Snap.path(pathString);\n if (pth.arr) {\n return Snap.path.clone(pth.arr);\n }\n\n var paramCounts = {a: 7, c: 6, o: 2, h: 1, l: 2, m: 2, r: 4, q: 4, s: 4, t: 2, v: 1, u: 3, z: 0},\n data = [];\n if (is(pathString, \"array\") && is(pathString[0], \"array\")) { // rough assumption\n data = Snap.path.clone(pathString);\n }\n if (!data.length) {\n Str(pathString).replace(pathCommand, function (a, b, c) {\n var params = [],\n name = b.toLowerCase();\n c.replace(pathValues, function (a, b) {\n b && params.push(+b);\n });\n if (name == \"m\" && params.length > 2) {\n data.push([b].concat(params.splice(0, 2)));\n name = \"l\";\n b = b == \"m\" ? \"l\" : \"L\";\n }\n if (name == \"o\" && params.length == 1) {\n data.push([b, params[0]]);\n }\n if (name == \"r\") {\n data.push([b].concat(params));\n } else while (params.length >= paramCounts[name]) {\n data.push([b].concat(params.splice(0, paramCounts[name])));\n if (!paramCounts[name]) {\n break;\n }\n }\n });\n }\n data.toString = Snap.path.toString;\n pth.arr = Snap.path.clone(data);\n return data;\n};\n/*/\n * Snap.parseTransformString\n [ method ]\n **\n * Utility method\n **\n * Parses given transform string into an array of transformations\n - TString (string|array) transform string or array of transformations (in the last case it is returned straight away)\n = (array) array of transformations\n/*/\nvar parseTransformString = Snap.parseTransformString = function (TString) {\n if (!TString) {\n return null;\n }\n var paramCounts = {r: 3, s: 4, t: 2, m: 6},\n data = [];\n if (is(TString, \"array\") && is(TString[0], \"array\")) { // rough assumption\n data = Snap.path.clone(TString);\n }\n if (!data.length) {\n Str(TString).replace(tCommand, function (a, b, c) {\n var params = [],\n name = b.toLowerCase();\n c.replace(pathValues, function (a, b) {\n b && params.push(+b);\n });\n data.push([b].concat(params));\n });\n }\n data.toString = Snap.path.toString;\n return data;\n};\nfunction svgTransform2string(tstr) {\n var res = [];\n tstr = tstr.replace(/(?:^|/s)(/w+)/(([^)]+)/)/g, function (all, name, params) {\n params = params.split(//s*,/s*|/s+/);\n if (name == \"rotate\" && params.length == 1) {\n params.push(0, 0);\n }\n if (name == \"scale\") {\n if (params.length > 2) {\n params = params.slice(0, 2);\n } else if (params.length == 2) {\n params.push(0, 0);\n }\n if (params.length == 1) {\n params.push(params[0], 0, 0);\n }\n }\n if (name == \"skewX\") {\n res.push([\"m\", 1, 0, math.tan(rad(params[0])), 1, 0, 0]);\n } else if (name == \"skewY\") {\n res.push([\"m\", 1, math.tan(rad(params[0])), 0, 1, 0, 0]);\n } else {\n res.push([name.charAt(0)].concat(params));\n }\n return all;\n });\n return res;\n}\nSnap._.svgTransform2string = svgTransform2string;\nSnap._.rgTransform = /^[a-z][/s]*-?/.?/d/i;\nfunction transform2matrix(tstr, bbox) {\n var tdata = parseTransformString(tstr),\n m = new Snap.Matrix;\n if (tdata) {\n for (var i = 0, ii = tdata.length; i < ii; i++) {\n var t = tdata[i],\n tlen = t.length,\n command = Str(t[0]).toLowerCase(),\n absolute = t[0] != command,\n inver = absolute ? m.invert() : 0,\n x1,\n y1,\n x2,\n y2,\n bb;\n if (command == \"t\" && tlen == 2){\n m.translate(t[1], 0);\n } else if (command == \"t\" && tlen == 3) {\n if (absolute) {\n x1 = inver.x(0, 0);\n y1 = inver.y(0, 0);\n x2 = inver.x(t[1], t[2]);\n y2 = inver.y(t[1], t[2]);\n m.translate(x2 - x1, y2 - y1);\n } else {\n m.translate(t[1], t[2]);\n }\n } else if (command == \"r\") {\n if (tlen == 2) {\n bb = bb || bbox;\n m.rotate(t[1], bb.x + bb.width / 2, bb.y + bb.height / 2);\n } else if (tlen == 4) {\n if (absolute) {\n x2 = inver.x(t[2], t[3]);\n y2 = inver.y(t[2], t[3]);\n m.rotate(t[1], x2, y2);\n } else {\n m.rotate(t[1], t[2], t[3]);\n }\n }\n } else if (command == \"s\") {\n if (tlen == 2 || tlen == 3) {\n bb = bb || bbox;\n m.scale(t[1], t[tlen - 1], bb.x + bb.width / 2, bb.y + bb.height / 2);\n } else if (tlen == 4) {\n if (absolute) {\n x2 = inver.x(t[2], t[3]);\n y2 = inver.y(t[2], t[3]);\n m.scale(t[1], t[1], x2, y2);\n } else {\n m.scale(t[1], t[1], t[2], t[3]);\n }\n } else if (tlen == 5) {\n if (absolute) {\n x2 = inver.x(t[3], t[4]);\n y2 = inver.y(t[3], t[4]);\n m.scale(t[1], t[2], x2, y2);\n } else {\n m.scale(t[1], t[2], t[3], t[4]);\n }\n }\n } else if (command == \"m\" && tlen == 7) {\n m.add(t[1], t[2], t[3], t[4], t[5], t[6]);\n }\n }\n }\n return m;\n}\nSnap._.transform2matrix = transform2matrix;\nSnap._unit2px = unit2px;\nvar contains = glob.doc.contains || glob.doc.compareDocumentPosition ?\n function (a, b) {\n var adown = a.nodeType == 9 ? a.documentElement : a,\n bup = b && b.parentNode;\n return a == bup || !!(bup && bup.nodeType == 1 && (\n adown.contains ?\n adown.contains(bup) :\n a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16\n ));\n } :\n function (a, b) {\n if (b) {\n while (b) {\n b = b.parentNode;\n if (b == a) {\n return true;\n }\n }\n }\n return false;\n };\nfunction getSomeDefs(el) {\n var p = (el.node.ownerSVGElement && wrap(el.node.ownerSVGElement)) ||\n (el.node.parentNode && wrap(el.node.parentNode)) ||\n Snap.select(\"svg\") ||\n Snap(0, 0),\n pdefs = p.select(\"defs\"),\n defs = pdefs == null ? false : pdefs.node;\n if (!defs) {\n defs = make(\"defs\", p.node).node;\n }\n return defs;\n}\nfunction getSomeSVG(el) {\n return el.node.ownerSVGElement && wrap(el.node.ownerSVGElement) || Snap.select(\"svg\");\n}\nSnap._.getSomeDefs = getSomeDefs;\nSnap._.getSomeSVG = getSomeSVG;\nfunction unit2px(el, name, value) {\n var svg = getSomeSVG(el).node,\n out = {},\n mgr = svg.querySelector(\".svg---mgr\");\n if (!mgr) {\n mgr = $(\"rect\");\n $(mgr, {x: -9e9, y: -9e9, width: 10, height: 10, \"class\": \"svg---mgr\", fill: \"none\"});\n svg.appendChild(mgr);\n }\n function getW(val) {\n if (val == null) {\n return E;\n }\n if (val == +val) {\n return val;\n }\n $(mgr, {width: val});\n try {\n return mgr.getBBox().width;\n } catch (e) {\n return 0;\n }\n }\n function getH(val) {\n if (val == null) {\n return E;\n }\n if (val == +val) {\n return val;\n }\n $(mgr, {height: val});\n try {\n return mgr.getBBox().height;\n } catch (e) {\n return 0;\n }\n }\n function set(nam, f) {\n if (name == null) {\n out[nam] = f(el.attr(nam) || 0);\n } else if (nam == name) {\n out = f(value == null ? el.attr(nam) || 0 : value);\n }\n }\n switch (el.type) {\n case \"rect\":\n set(\"rx\", getW);\n set(\"ry\", getH);\n case \"image\":\n set(\"width\", getW);\n set(\"height\", getH);\n case \"text\":\n set(\"x\", getW);\n set(\"y\", getH);\n break;\n case \"circle\":\n set(\"cx\", getW);\n set(\"cy\", getH);\n set(\"r\", getW);\n break;\n case \"ellipse\":\n set(\"cx\", getW);\n set(\"cy\", getH);\n set(\"rx\", getW);\n set(\"ry\", getH);\n break;\n case \"line\":\n set(\"x1\", getW);\n set(\"x2\", getW);\n set(\"y1\", getH);\n set(\"y2\", getH);\n break;\n case \"marker\":\n set(\"refX\", getW);\n set(\"markerWidth\", getW);\n set(\"refY\", getH);\n set(\"markerHeight\", getH);\n break;\n case \"radialGradient\":\n set(\"fx\", getW);\n set(\"fy\", getH);\n break;\n case \"tspan\":\n set(\"dx\", getW);\n set(\"dy\", getH);\n break;\n default:\n set(name, getW);\n }\n svg.removeChild(mgr);\n return out;\n}\n/*/\n * Snap.select\n [ method ]\n **\n * Wraps a DOM element specified by CSS selector as @Element\n - query (string) CSS selector of the element\n = (Element) the current element\n/*/\nSnap.select = function (query) {\n query = Str(query).replace(/([^//]):/g, \"$1//:\");\n return wrap(glob.doc.querySelector(query));\n};\n/*/\n * Snap.selectAll\n [ method ]\n **\n * Wraps DOM elements specified by CSS selector as set or array of @Element\n - query (string) CSS selector of the element\n = (Element) the current element\n/*/\nSnap.selectAll = function (query) {\n var nodelist = glob.doc.querySelectorAll(query),\n set = (Snap.set || Array)();\n for (var i = 0; i < nodelist.length; i++) {\n set.push(wrap(nodelist[i]));\n }\n return set;\n};\n\nfunction add2group(list) {\n if (!is(list, \"array\")) {\n list = Array.prototype.slice.call(arguments, 0);\n }\n var i = 0,\n j = 0,\n node = this.node;\n while (this[i]) delete this[i++];\n for (i = 0; i < list.length; i++) {\n if (list[i].type == \"set\") {\n list[i].forEach(function (el) {\n node.appendChild(el.node);\n });\n } else {\n node.appendChild(list[i].node);\n }\n }\n var children = node.childNodes;\n for (i = 0; i < children.length; i++) {\n this[j++] = wrap(children[i]);\n }\n return this;\n}\n// Hub garbage collector every 10s\nsetInterval(function () {\n for (var key in hub) if (hub[has](key)) {\n var el = hub[key],\n node = el.node;\n if (el.type != \"svg\" && !node.ownerSVGElement || el.type == \"svg\" && (!node.parentNode || \"ownerSVGElement\" in node.parentNode && !node.ownerSVGElement)) {\n delete hub[key];\n }\n }\n}, 1e4);\nfunction Element(el) {\n if (el.snap in hub) {\n return hub[el.snap];\n }\n var svg;\n try {\n svg = el.ownerSVGElement;\n } catch(e) {}\n /*/\n * Element.node\n [ property (object) ]\n **\n * Gives you a reference to the DOM object, so you can assign event handlers or just mess around.\n > Usage\n | // draw a circle at coordinate 10,10 with radius of 10\n | var c = paper.circle(10, 10, 10);\n | c.node.onclick = function () {\n | c.attr(\"fill\", \"red\");\n | };\n /*/\n this.node = el;\n if (svg) {\n this.paper = new Paper(svg);\n }\n /*/\n * Element.type\n [ property (string) ]\n **\n * SVG tag name of the given element.\n /*/\n this.type = el.tagName;\n var id = this.id = ID(this);\n this.anims = {};\n this._ = {\n transform: []\n };\n el.snap = id;\n hub[id] = this;\n if (this.type == \"g\") {\n this.add = add2group;\n }\n if (this.type in {g: 1, mask: 1, pattern: 1, symbol: 1}) {\n for (var method in Paper.prototype) if (Paper.prototype[has](method)) {\n this[method] = Paper.prototype[method];\n }\n }\n}\n /*/\n * Element.attr\n [ method ]\n **\n * Gets or sets given attributes of the element.\n **\n - params (object) contains key-value pairs of attributes you want to set\n * or\n - param (string) name of the attribute\n = (Element) the current element\n * or\n = (string) value of attribute\n > Usage\n | el.attr({\n | fill: \"#fc0\",\n | stroke: \"#000\",\n | strokeWidth: 2, // CamelCase...\n | \"fill-opacity\": 0.5, // or dash-separated names\n | width: \"*=2\" // prefixed values\n | });\n | console.log(el.attr(\"fill\")); // #fc0\n * Prefixed values in format `\"+=10\"` supported. All four operations\n * (`+`, `-`, `*` and `/`) could be used. Optionally you can use units for `+`\n * and `-`: `\"+=2em\"`.\n /*/\n Element.prototype.attr = function (params, value) {\n var el = this,\n node = el.node;\n if (!params) {\n return el;\n }\n if (is(params, \"string\")) {\n if (arguments.length > 1) {\n var json = {};\n json[params] = value;\n params = json;\n } else {\n return eve(\"snap.util.getattr.\" + params, el).firstDefined();\n }\n }\n for (var att in params) {\n if (params[has](att)) {\n eve(\"snap.util.attr.\" + att, el, params[att]);\n }\n }\n return el;\n };\n/*/\n * Snap.parse\n [ method ]\n **\n * Parses SVG fragment and converts it into a @Fragment\n **\n - svg (string) SVG string\n = (Fragment) the @Fragment\n/*/\nSnap.parse = function (svg) {\n var f = glob.doc.createDocumentFragment(),\n full = true,\n div = glob.doc.createElement(\"div\");\n svg = Str(svg);\n if (!svg.match(/^/s*</s*svg(?:/s|>)/)) {\n svg = \"<svg>\" + svg + \"</svg>\";\n full = false;\n }\n div.innerHTML = svg;\n svg = div.getElementsByTagName(\"svg\")[0];\n if (svg) {\n if (full) {\n f = svg;\n } else {\n while (svg.firstChild) {\n f.appendChild(svg.firstChild);\n }\n div.innerHTML = E;\n }\n }\n return new Fragment(f);\n};\nfunction Fragment(frag) {\n this.node = frag;\n}\n// SIERRA Snap.fragment() could especially use a code example\n/*/\n * Snap.fragment\n [ method ]\n **\n * Creates a DOM fragment from a given list of elements or strings\n **\n - varargs (…) SVG string\n = (Fragment) the @Fragment\n/*/\nSnap.fragment = function () {\n var args = Array.prototype.slice.call(arguments, 0),\n f = glob.doc.createDocumentFragment();\n for (var i = 0, ii = args.length; i < ii; i++) {\n var item = args[i];\n if (item.node && item.node.nodeType) {\n f.appendChild(item.node);\n }\n if (item.nodeType) {\n f.appendChild(item);\n }\n if (typeof item == \"string\") {\n f.appendChild(Snap.parse(item).node);\n }\n }\n return new Fragment(f);\n};\n\nfunction make(name, parent) {\n var res = $(name);\n parent.appendChild(res);\n var el = wrap(res);\n return el;\n}\nfunction Paper(w, h) {\n var res,\n desc,\n defs,\n proto = Paper.prototype;\n if (w && w.tagName == \"svg\") {\n if (w.snap in hub) {\n return hub[w.snap];\n }\n var doc = w.ownerDocument;\n res = new Element(w);\n desc = w.getElementsByTagName(\"desc\")[0];\n defs = w.getElementsByTagName(\"defs\")[0];\n if (!desc) {\n desc = $(\"desc\");\n desc.appendChild(doc.createTextNode(\"Created with Snap\"));\n res.node.appendChild(desc);\n }\n if (!defs) {\n defs = $(\"defs\");\n res.node.appendChild(defs);\n }\n res.defs = defs;\n for (var key in proto) if (proto[has](key)) {\n res[key] = proto[key];\n }\n res.paper = res.root = res;\n } else {\n res = make(\"svg\", glob.doc.body);\n $(res.node, {\n height: h,\n version: 1.1,\n width: w,\n xmlns: xmlns\n });\n }\n return res;\n}\nfunction wrap(dom) {\n if (!dom) {\n return dom;\n }\n if (dom instanceof Element || dom instanceof Fragment) {\n return dom;\n }\n if (dom.tagName && dom.tagName.toLowerCase() == \"svg\") {\n return new Paper(dom);\n }\n if (dom.tagName && dom.tagName.toLowerCase() == \"object\" && dom.type == \"image/svg+xml\") {\n return new Paper(dom.contentDocument.getElementsByTagName(\"svg\")[0]);\n }\n return new Element(dom);\n}\n\nSnap._.make = make;\nSnap._.wrap = wrap;\n/*/\n * Paper.el\n [ method ]\n **\n * Creates an element on paper with a given name and no attributes\n **\n - name (string) tag name\n - attr (object) attributes\n = (Element) the current element\n > Usage\n | var c = paper.circle(10, 10, 10); // is the same as...\n | var c = paper.el(\"circle\").attr({\n | cx: 10,\n | cy: 10,\n | r: 10\n | });\n | // and the same as\n | var c = paper.el(\"circle\", {\n | cx: 10,\n | cy: 10,\n | r: 10\n | });\n/*/\nPaper.prototype.el = function (name, attr) {\n var el = make(name, this.node);\n attr && el.attr(attr);\n return el;\n};\n// default\neve.on(\"snap.util.getattr\", function () {\n var att = eve.nt();\n att = att.substring(att.lastIndexOf(\".\") + 1);\n var css = att.replace(/[A-Z]/g, function (letter) {\n return \"-\" + letter.toLowerCase();\n });\n if (cssAttr[has](css)) {\n return this.node.ownerDocument.defaultView.getComputedStyle(this.node, null).getPropertyValue(css);\n } else {\n return $(this.node, att);\n }\n});\nvar cssAttr = {\n \"alignment-baseline\": 0,\n \"baseline-shift\": 0,\n \"clip\": 0,\n \"clip-path\": 0,\n \"clip-rule\": 0,\n \"color\": 0,\n \"color-interpolation\": 0,\n \"color-interpolation-filters\": 0,\n \"color-profile\": 0,\n \"color-rendering\": 0,\n \"cursor\": 0,\n \"direction\": 0,\n \"display\": 0,\n \"dominant-baseline\": 0,\n \"enable-background\": 0,\n \"fill\": 0,\n \"fill-opacity\": 0,\n \"fill-rule\": 0,\n \"filter\": 0,\n \"flood-color\": 0,\n \"flood-opacity\": 0,\n \"font\": 0,\n \"font-family\": 0,\n \"font-size\": 0,\n \"font-size-adjust\": 0,\n \"font-stretch\": 0,\n \"font-style\": 0,\n \"font-variant\": 0,\n \"font-weight\": 0,\n \"glyph-orientation-horizontal\": 0,\n \"glyph-orientation-vertical\": 0,\n \"image-rendering\": 0,\n \"kerning\": 0,\n \"letter-spacing\": 0,\n \"lighting-color\": 0,\n \"marker\": 0,\n \"marker-end\": 0,\n \"marker-mid\": 0,\n \"marker-start\": 0,\n \"mask\": 0,\n \"opacity\": 0,\n \"overflow\": 0,\n \"pointer-events\": 0,\n \"shape-rendering\": 0,\n \"stop-color\": 0,\n \"stop-opacity\": 0,\n \"stroke\": 0,\n \"stroke-dasharray\": 0,\n \"stroke-dashoffset\": 0,\n \"stroke-linecap\": 0,\n \"stroke-linejoin\": 0,\n \"stroke-miterlimit\": 0,\n \"stroke-opacity\": 0,\n \"stroke-width\": 0,\n \"text-anchor\": 0,\n \"text-decoration\": 0,\n \"text-rendering\": 0,\n \"unicode-bidi\": 0,\n \"visibility\": 0,\n \"word-spacing\": 0,\n \"writing-mode\": 0\n};\n\neve.on(\"snap.util.attr\", function (value) {\n var att = eve.nt(),\n attr = {};\n att = att.substring(att.lastIndexOf(\".\") + 1);\n attr[att] = value;\n var style = att.replace(/-(/w)/gi, function (all, letter) {\n return letter.toUpperCase();\n }),\n css = att.replace(/[A-Z]/g, function (letter) {\n return \"-\" + letter.toLowerCase();\n });\n if (cssAttr[has](css)) {\n this.node.style[style] = value == null ? E : value;\n } else {\n $(this.node, attr);\n }\n});\n(function (proto) {}(Paper.prototype));\n\n// simple ajax\n/*/\n * Snap.ajax\n [ method ]\n **\n * Simple implementation of Ajax\n **\n - url (string) URL\n - postData (object|string) data for post request\n - callback (function) callback\n - scope (object) #optional scope of callback\n * or\n - url (string) URL\n - callback (function) callback\n - scope (object) #optional scope of callback\n = (XMLHttpRequest) the XMLHttpRequest object, just in case\n/*/\nSnap.ajax = function (url, postData, callback, scope){\n var req = new XMLHttpRequest,\n id = ID();\n if (req) {\n if (is(postData, \"function\")) {\n scope = callback;\n callback = postData;\n postData = null;\n } else if (is(postData, \"object\")) {\n var pd = [];\n for (var key in postData) if (postData.hasOwnProperty(key)) {\n pd.push(encodeURIComponent(key) + \"=\" + encodeURIComponent(postData[key]));\n }\n postData = pd.join(\"&\");\n }\n req.open((postData ? \"POST\" : \"GET\"), url, true);\n if (postData) {\n req.setRequestHeader(\"X-Requested-With\", \"XMLHttpRequest\");\n req.setRequestHeader(\"Content-type\", \"application/x-www-form-urlencoded\");\n }\n if (callback) {\n eve.once(\"snap.ajax.\" + id + \".0\", callback);\n eve.once(\"snap.ajax.\" + id + \".200\", callback);\n eve.once(\"snap.ajax.\" + id + \".304\", callback);\n }\n req.onreadystatechange = function() {\n if (req.readyState != 4) return;\n eve(\"snap.ajax.\" + id + \".\" + req.status, scope, req);\n };\n if (req.readyState == 4) {\n return req;\n }\n req.send(postData);\n return req;\n }\n};\n/*/\n * Snap.load\n [ method ]\n **\n * Loads external SVG file as a @Fragment (see @Snap.ajax for more advanced AJAX)\n **\n - url (string) URL\n - callback (function) callback\n - scope (object) #optional scope of callback\n/*/\nSnap.load = function (url, callback, scope) {\n Snap.ajax(url, function (req) {\n var f = Snap.parse(req.responseText);\n scope ? callback.call(scope, f) : callback(f);\n });\n};\nvar getOffset = function (elem) {\n var box = elem.getBoundingClientRect(),\n doc = elem.ownerDocument,\n body = doc.body,\n docElem = doc.documentElement,\n clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,\n top = box.top + (g.win.pageYOffset || docElem.scrollTop || body.scrollTop ) - clientTop,\n left = box.left + (g.win.pageXOffset || docElem.scrollLeft || body.scrollLeft) - clientLeft;\n return {\n y: top,\n x: left\n };\n};\n/*/\n * Snap.getElementByPoint\n [ method ]\n **\n * Returns you topmost element under given point.\n **\n = (object) Snap element object\n - x (number) x coordinate from the top left corner of the window\n - y (number) y coordinate from the top left corner of the window\n > Usage\n | Snap.getElementByPoint(mouseX, mouseY).attr({stroke: \"#f00\"});\n/*/\nSnap.getElementByPoint = function (x, y) {\n var paper = this,\n svg = paper.canvas,\n target = glob.doc.elementFromPoint(x, y);\n if (glob.win.opera && target.tagName == \"svg\") {\n var so = getOffset(target),\n sr = target.createSVGRect();\n sr.x = x - so.x;\n sr.y = y - so.y;\n sr.width = sr.height = 1;\n var hits = target.getIntersectionList(sr, null);\n if (hits.length) {\n target = hits[hits.length - 1];\n }\n }\n if (!target) {\n return null;\n }\n return wrap(target);\n};\n/*/\n * Snap.plugin\n [ method ]\n **\n * Let you write plugins. You pass in a function with four arguments, like this:\n | Snap.plugin(function (Snap, Element, Paper, global, Fragment) {\n | Snap.newmethod = function () {};\n | Element.prototype.newmethod = function () {};\n | Paper.prototype.newmethod = function () {};\n | });\n * Inside the function you have access to all main objects (and their\n * prototypes). This allow you to extend anything you want.\n **\n - f (function) your plugin body\n/*/\nSnap.plugin = function (f) {\n f(Snap, Element, Paper, glob, Fragment);\n};\nglob.win.Snap = Snap;\nreturn Snap;\n}(window || this));\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n//\n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n//\n// http://www.apache.org/licenses/LICENSE-2.0\n//\n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob, Fragment) {\n var elproto = Element.prototype,\n is = Snap.is,\n Str = String,\n unit2px = Snap._unit2px,\n $ = Snap._.$,\n make = Snap._.make,\n getSomeDefs = Snap._.getSomeDefs,\n has = \"hasOwnProperty\",\n wrap = Snap._.wrap;\n /*/\n * Element.getBBox\n [ method ]\n **\n * Returns the bounding box descriptor for the given element\n **\n = (object) bounding box descriptor:\n o {\n o cx: (number) x of the center,\n o cy: (number) x of the center,\n o h: (number) height,\n o height: (number) height,\n o path: (string) path command for the box,\n o r0: (number) radius of a circle that fully encloses the box,\n o r1: (number) radius of the smallest circle that can be enclosed,\n o r2: (number) radius of the largest circle that can be enclosed,\n o vb: (string) box as a viewbox command,\n o w: (number) width,\n o width: (number) width,\n o x2: (number) x of the right side,\n o x: (number) x of the left side,\n o y2: (number) y of the bottom edge,\n o y: (number) y of the top edge\n o }\n /*/\n elproto.getBBox = function (isWithoutTransform) {\n if (!Snap.Matrix || !Snap.path) {\n return this.node.getBBox();\n }\n var el = this,\n m = new Snap.Matrix;\n if (el.removed) {\n return Snap._.box();\n }\n while (el.type == \"use\") {\n if (!isWithoutTransform) {\n m = m.add(el.transform().localMatrix.translate(el.attr(\"x\") || 0, el.attr(\"y\") || 0));\n }\n if (el.original) {\n el = el.original;\n } else {\n var href = el.attr(\"xlink:href\");\n el = el.original = el.node.ownerDocument.getElementById(href.substring(href.indexOf(\"#\") + 1));\n }\n }\n var _ = el._,\n pathfinder = Snap.path.get[el.type] || Snap.path.get.deflt;\n try {\n if (isWithoutTransform) {\n _.bboxwt = pathfinder ? Snap.path.getBBox(el.realPath = pathfinder(el)) : Snap._.box(el.node.getBBox());\n return Snap._.box(_.bboxwt);\n } else {\n el.realPath = pathfinder(el);\n el.matrix = el.transform().localMatrix;\n _.bbox = Snap.path.getBBox(Snap.path.map(el.realPath, m.add(el.matrix)));\n return Snap._.box(_.bbox);\n }\n } catch (e) {\n // Firefox doesn’t give you bbox of hidden element\n return Snap._.box();\n }\n };\n var propString = function () {\n return this.string;\n };\n function extractTransform(el, tstr) {\n if (tstr == null) {\n var doReturn = true;\n if (el.type == \"linearGradient\" || el.type == \"radialGradient\") {\n tstr = el.node.getAttribute(\"gradientTransform\");\n } else if (el.type == \"pattern\") {\n tstr = el.node.getAttribute(\"patternTransform\");\n } else {\n tstr = el.node.getAttribute(\"transform\");\n }\n if (!tstr) {\n return new Snap.Matrix;\n }\n tstr = Snap._.svgTransform2string(tstr);\n } else {\n if (!Snap._.rgTransform.test(tstr)) {\n tstr = Snap._.svgTransform2string(tstr);\n } else {\n tstr = Str(tstr).replace(//.{3}|/u2026/g, el._.transform || E);\n }\n if (is(tstr, \"array\")) {\n tstr = Snap.path ? Snap.path.toString.call(tstr) : Str(tstr);\n }\n el._.transform = tstr;\n }\n var m = Snap._.transform2matrix(tstr, el.getBBox(1));\n if (doReturn) {\n return m;\n } else {\n el.matrix = m;\n }\n }\n /*/\n * Element.transform\n [ method ]\n **\n * Gets or sets transformation of the element\n **\n - tstr (string) transform string in Snap or SVG format\n = (Element) the current element\n * or\n = (object) transformation descriptor:\n o {\n o string (string) transform string,\n o globalMatrix (Matrix) matrix of all transformations applied to element or its parents,\n o localMatrix (Matrix) matrix of transformations applied only to the element,\n o diffMatrix (Matrix) matrix of difference between global and local transformations,\n o global (string) global transformation as string,\n o local (string) local transformation as string,\n o toString (function) returns `string` property\n o }\n /*/\n elproto.transform = function (tstr) {\n var _ = this._;\n if (tstr == null) {\n var papa = this,\n global = new Snap.Matrix(this.node.getCTM()),\n local = extractTransform(this),\n ms = [local],\n m = new Snap.Matrix,\n i,\n localString = local.toTransformString(),\n string = Str(local) == Str(this.matrix) ?\n Str(_.transform) : localString;\n while (papa.type != \"svg\" && (papa = papa.parent())) {\n ms.push(extractTransform(papa));\n }\n i = ms.length;\n while (i--) {\n m.add(ms[i]);\n }\n return {\n string: string,\n globalMatrix: global,\n totalMatrix: m,\n localMatrix: local,\n diffMatrix: global.clone().add(local.invert()),\n global: global.toTransformString(),\n total: m.toTransformString(),\n local: localString,\n toString: propString\n };\n }\n if (tstr instanceof Snap.Matrix) {\n this.matrix = tstr;\n this._.transform = tstr.toTransformString();\n } else {\n extractTransform(this, tstr);\n }\n\n if (this.node) {\n if (this.type == \"linearGradient\" || this.type == \"radialGradient\") {\n $(this.node, {gradientTransform: this.matrix});\n } else if (this.type == \"pattern\") {\n $(this.node, {patternTransform: this.matrix});\n } else {\n $(this.node, {transform: this.matrix});\n }\n }\n\n return this;\n };\n /*/\n * Element.parent\n [ method ]\n **\n * Returns the element's parent\n **\n = (Element) the parent element\n /*/\n elproto.parent = function () {\n return wrap(this.node.parentNode);\n };\n /*/\n * Element.append\n [ method ]\n **\n * Appends the given element to current one\n **\n - el (Element|Set) element to append\n = (Element) the parent element\n /*/\n /*/\n * Element.add\n [ method ]\n **\n * See @Element.append\n /*/\n elproto.append = elproto.add = function (el) {\n if (el) {\n if (el.type == \"set\") {\n var it = this;\n el.forEach(function (el) {\n it.add(el);\n });\n return this;\n }\n el = wrap(el);\n this.node.appendChild(el.node);\n el.paper = this.paper;\n }\n return this;\n };\n /*/\n * Element.appendTo\n [ method ]\n **\n * Appends the current element to the given one\n **\n - el (Element) parent element to append to\n = (Element) the child element\n /*/\n elproto.appendTo = function (el) {\n if (el) {\n el = wrap(el);\n el.append(this);\n }\n return this;\n };\n /*/\n * Element.prepend\n [ method ]\n **\n * Prepends the given element to the current one\n **\n - el (Element) element to prepend\n = (Element) the parent element\n /*/\n elproto.prepend = function (el) {\n if (el) {\n if (el.type == \"set\") {\n var it = this,\n first;\n el.forEach(function (el) {\n if (first) {\n first.after(el);\n } else {\n it.prepend(el);\n }\n first = el;\n });\n return this;\n }\n el = wrap(el);\n var parent = el.parent();\n this.node.insertBefore(el.node, this.node.firstChild);\n this.add && this.add();\n el.paper = this.paper;\n this.parent() && this.parent().add();\n parent && parent.add();\n }\n return this;\n };\n /*/\n * Element.prependTo\n [ method ]\n **\n * Prepends the current element to the given one\n **\n - el (Element) parent element to prepend to\n = (Element) the child element\n /*/\n elproto.prependTo = function (el) {\n el = wrap(el);\n el.prepend(this);\n return this;\n };\n /*/\n * Element.before\n [ method ]\n **\n * Inserts given element before the current one\n **\n - el (Element) element to insert\n = (Element) the parent element\n /*/\n elproto.before = function (el) {\n if (el.type == \"set\") {\n var it = this;\n el.forEach(function (el) {\n var parent = el.parent();\n it.node.parentNode.insertBefore(el.node, it.node);\n parent && parent.add();\n });\n this.parent().add();\n return this;\n }\n el = wrap(el);\n var parent = el.parent();\n this.node.parentNode.insertBefore(el.node, this.node);\n this.parent() && this.parent().add();\n parent && parent.add();\n el.paper = this.paper;\n return this;\n };\n /*/\n * Element.after\n [ method ]\n **\n * Inserts given element after the current one\n **\n - el (Element) element to insert\n = (Element) the parent element\n /*/\n elproto.after = function (el) {\n el = wrap(el);\n var parent = el.parent();\n if (this.node.nextSibling) {\n this.node.parentNode.insertBefore(el.node, this.node.nextSibling);\n } else {\n this.node.parentNode.appendChild(el.node);\n }\n this.parent() && this.parent().add();\n parent && parent.add();\n el.paper = this.paper;\n return this;\n };\n /*/\n * Element.insertBefore\n [ method ]\n **\n * Inserts the element after the given one\n **\n - el (Element) element next to whom insert to\n = (Element) the parent element\n /*/\n elproto.insertBefore = function (el) {\n el = wrap(el);\n var parent = this.parent();\n el.node.parentNode.insertBefore(this.node, el.node);\n this.paper = el.paper;\n parent && parent.add();\n el.parent() && el.parent().add();\n return this;\n };\n /*/\n * Element.insertAfter\n [ method ]\n **\n * Inserts the element after the given one\n **\n - el (Element) element next to whom insert to\n = (Element) the parent element\n /*/\n elproto.insertAfter = function (el) {\n el = wrap(el);\n var parent = this.parent();\n el.node.parentNode.insertBefore(this.node, el.node.nextSibling);\n this.paper = el.paper;\n parent && parent.add();\n el.parent() && el.parent().add();\n return this;\n };\n /*/\n * Element.remove\n [ method ]\n **\n * Removes element from the DOM\n = (Element) the detached element\n /*/\n elproto.remove = function () {\n var parent = this.parent();\n this.node.parentNode && this.node.parentNode.removeChild(this.node);\n delete this.paper;\n this.removed = true;\n parent && parent.add();\n return this;\n };\n /*/\n * Element.select\n [ method ]\n **\n * Gathers the nested @Element matching the given set of CSS selectors\n **\n - query (string) CSS selector\n = (Element) result of query selection\n /*/\n elproto.select = function (query) {\n query = Str(query).replace(/([^//]):/g, \"$1//:\");\n return wrap(this.node.querySelector(query));\n };\n /*/\n * Element.selectAll\n [ method ]\n **\n * Gathers nested @Element objects matching the given set of CSS selectors\n **\n - query (string) CSS selector\n = (Set|array) result of query selection\n /*/\n elproto.selectAll = function (query) {\n var nodelist = this.node.querySelectorAll(query),\n set = (Snap.set || Array)();\n for (var i = 0; i < nodelist.length; i++) {\n set.push(wrap(nodelist[i]));\n }\n return set;\n };\n /*/\n * Element.asPX\n [ method ]\n **\n * Returns given attribute of the element as a `px` value (not %, em, etc.)\n **\n - attr (string) attribute name\n - value (string) #optional attribute value\n = (Element) result of query selection\n /*/\n elproto.asPX = function (attr, value) {\n if (value == null) {\n value = this.attr(attr);\n }\n return +unit2px(this, attr, value);\n };\n // SIERRA Element.use(): I suggest adding a note about how to access the original element the returned <use> instantiates. It's a part of SVG with which ordinary web developers may be least familiar.\n /*/\n * Element.use\n [ method ]\n **\n * Creates a `<use>` element linked to the current element\n **\n = (Element) the `<use>` element\n /*/\n elproto.use = function () {\n var use,\n id = this.node.id;\n if (!id) {\n id = this.id;\n $(this.node, {\n id: id\n });\n }\n if (this.type == \"linearGradient\" || this.type == \"radialGradient\" ||\n this.type == \"pattern\") {\n use = make(this.type, this.node.parentNode);\n } else {\n use = make(\"use\", this.node.parentNode);\n }\n $(use.node, {\n \"xlink:href\": \"#\" + id\n });\n use.original = this;\n return use;\n };\n function fixids(el) {\n var els = el.selectAll(\"*\"),\n it,\n url = /^/s*url/((\"|'|)(.*)/1/)/s*$/,\n ids = [],\n uses = {};\n function urltest(it, name) {\n var val = $(it.node, name);\n val = val && val.match(url);\n val = val && val[2];\n if (val && val.charAt() == \"#\") {\n val = val.substring(1);\n } else {\n return;\n }\n if (val) {\n uses[val] = (uses[val] || []).concat(function (id) {\n var attr = {};\n attr[name] = URL(id);\n $(it.node, attr);\n });\n }\n }\n function linktest(it) {\n var val = $(it.node, \"xlink:href\");\n if (val && val.charAt() == \"#\") {\n val = val.substring(1);\n } else {\n return;\n }\n if (val) {\n uses[val] = (uses[val] || []).concat(function (id) {\n it.attr(\"xlink:href\", \"#\" + id);\n });\n }\n }\n for (var i = 0, ii = els.length; i < ii; i++) {\n it = els[i];\n urltest(it, \"fill\");\n urltest(it, \"stroke\");\n urltest(it, \"filter\");\n urltest(it, \"mask\");\n urltest(it, \"clip-path\");\n linktest(it);\n var oldid = $(it.node, \"id\");\n if (oldid) {\n $(it.node, {id: it.id});\n ids.push({\n old: oldid,\n id: it.id\n });\n }\n }\n for (i = 0, ii = ids.length; i < ii; i++) {\n var fs = uses[ids[i].old];\n if (fs) {\n for (var j = 0, jj = fs.length; j < jj; j++) {\n fs[j](ids[i].id);\n }\n }\n }\n }\n /*/\n * Element.clone\n [ method ]\n **\n * Creates a clone of the element and inserts it after the element\n **\n = (Element) the clone\n /*/\n elproto.clone = function () {\n var clone = wrap(this.node.cloneNode(true));\n if ($(clone.node, \"id\")) {\n $(clone.node, {id: clone.id});\n }\n fixids(clone);\n clone.insertAfter(this);\n return clone;\n };\n /*/\n * Element.toDefs\n [ method ]\n **\n * Moves element to the shared `<defs>` area\n **\n = (Element) the element\n /*/\n elproto.toDefs = function () {\n var defs = getSomeDefs(this);\n defs.appendChild(this.node);\n return this;\n };\n /*/\n * Element.toPattern\n [ method ]\n **\n * Creates a `<pattern>` element from the current element\n **\n * To create a pattern you have to specify the pattern rect:\n - x (string|number)\n - y (string|number)\n - width (string|number)\n - height (string|number)\n = (Element) the `<pattern>` element\n * You can use pattern later on as an argument for `fill` attribute:\n | var p = paper.path(\"M10-5-10,15M15,0,0,15M0-5-20,15\").attr({\n | fill: \"none\",\n | stroke: \"#bada55\",\n | strokeWidth: 5\n | }).pattern(0, 0, 10, 10),\n | c = paper.circle(200, 200, 100);\n | c.attr({\n | fill: p\n | });\n /*/\n elproto.pattern = elproto.toPattern = function (x, y, width, height) {\n var p = make(\"pattern\", getSomeDefs(this));\n if (x == null) {\n x = this.getBBox();\n }\n if (is(x, \"object\") && \"x\" in x) {\n y = x.y;\n width = x.width;\n height = x.height;\n x = x.x;\n }\n $(p.node, {\n x: x,\n y: y,\n width: width,\n height: height,\n patternUnits: \"userSpaceOnUse\",\n id: p.id,\n viewBox: [x, y, width, height].join(\" \")\n });\n p.node.appendChild(this.node);\n return p;\n };\n// SIERRA Element.marker(): clarify what a reference point is. E.g., helps you offset the object from its edge such as when centering it over a path.\n// SIERRA Element.marker(): I suggest the method should accept default reference point values. Perhaps centered with (refX = width/2) and (refY = height/2)? Also, couldn't it assume the element's current _width_ and _height_? And please specify what _x_ and _y_ mean: offsets? If so, from where? Couldn't they also be assigned default values?\n /*/\n * Element.marker\n [ method ]\n **\n * Creates a `<marker>` element from the current element\n **\n * To create a marker you have to specify the bounding rect and reference point:\n - x (number)\n - y (number)\n - width (number)\n - height (number)\n - refX (number)\n - refY (number)\n = (Element) the `<marker>` element\n * You can specify the marker later as an argument for `marker-start`, `marker-end`, `marker-mid`, and `marker` attributes. The `marker` attribute places the marker at every point along the path, and `marker-mid` places them at every point except the start and end.\n /*/\n // TODO add usage for markers\n elproto.marker = function (x, y, width, height, refX, refY) {\n var p = make(\"marker\", getSomeDefs(this));\n if (x == null) {\n x = this.getBBox();\n }\n if (is(x, \"object\") && \"x\" in x) {\n y = x.y;\n width = x.width;\n height = x.height;\n refX = x.refX || x.cx;\n refY = x.refY || x.cy;\n x = x.x;\n }\n $(p.node, {\n viewBox: [x, y, width, height].join(\" \"),\n markerWidth: width,\n markerHeight: height,\n orient: \"auto\",\n refX: refX || 0,\n refY: refY || 0,\n id: p.id\n });\n p.node.appendChild(this.node);\n return p;\n };\n // animation\n function slice(from, to, f) {\n return function (arr) {\n var res = arr.slice(from, to);\n if (res.length == 1) {\n res = res[0];\n }\n return f ? f(res) : res;\n };\n }\n var Animation = function (attr, ms, easing, callback) {\n if (typeof easing == \"function\" && !easing.length) {\n callback = easing;\n easing = mina.linear;\n }\n this.attr = attr;\n this.dur = ms;\n easing && (this.easing = easing);\n callback && (this.callback = callback);\n };\n Snap._.Animation = Animation;\n /*/\n * Snap.animation\n [ method ]\n **\n * Creates an animation object\n **\n - attr (object) attributes of final destination\n - duration (number) duration of the animation, in milliseconds\n - easing (function) #optional one of easing functions of @mina or custom one\n - callback (function) #optional callback function that fires when animation ends\n = (object) animation object\n /*/\n Snap.animation = function (attr, ms, easing, callback) {\n return new Animation(attr, ms, easing, callback);\n };\n /*/\n * Element.inAnim\n [ method ]\n **\n * Returns a set of animations that may be able to manipulate the current element\n **\n = (object) in format:\n o {\n o anim (object) animation object,\n o mina (object) @mina object,\n o curStatus (number) 0..1 — status of the animation: 0 — just started, 1 — just finished,\n o status (function) gets or sets the status of the animation,\n o stop (function) stops the animation\n o }\n /*/\n elproto.inAnim = function () {\n var el = this,\n res = [];\n for (var id in el.anims) if (el.anims[has](id)) {\n (function (a) {\n res.push({\n anim: new Animation(a._attrs, a.dur, a.easing, a._callback),\n mina: a,\n curStatus: a.status(),\n status: function (val) {\n return a.status(val);\n },\n stop: function () {\n a.stop();\n }\n });\n }(el.anims[id]));\n }\n return res;\n };\n /*/\n * Snap.animate\n [ method ]\n **\n * Runs generic animation of one number into another with a caring function\n **\n - from (number|array) number or array of numbers\n - to (number|array) number or array of numbers\n - setter (function) caring function that accepts one number argument\n - duration (number) duration, in milliseconds\n - easing (function) #optional easing function from @mina or custom\n - callback (function) #optional callback function to execute when animation ends\n = (object) animation object in @mina format\n o {\n o id (string) animation id, consider it read-only,\n o duration (function) gets or sets the duration of the animation,\n o easing (function) easing,\n o speed (function) gets or sets the speed of the animation,\n o status (function) gets or sets the status of the animation,\n o stop (function) stops the animation\n o }\n | var rect = Snap().rect(0, 0, 10, 10);\n | Snap.animate(0, 10, function (val) {\n | rect.attr({\n | x: val\n | });\n | }, 1000);\n | // in given context is equivalent to\n | rect.animate({x: 10}, 1000);\n /*/\n Snap.animate = function (from, to, setter, ms, easing, callback) {\n if (typeof easing == \"function\" && !easing.length) {\n callback = easing;\n easing = mina.linear;\n }\n var now = mina.time(),\n anim = mina(from, to, now, now + ms, mina.time, setter, easing);\n callback && eve.once(\"mina.finish.\" + anim.id, callback);\n return anim;\n };\n /*/\n * Element.stop\n [ method ]\n **\n * Stops all the animations for the current element\n **\n = (Element) the current element\n /*/\n elproto.stop = function () {\n var anims = this.inAnim();\n for (var i = 0, ii = anims.length; i < ii; i++) {\n anims[i].stop();\n }\n return this;\n };\n /*/\n * Element.animate\n [ method ]\n **\n * Animates the given attributes of the element\n **\n - attrs (object) key-value pairs of destination attributes\n - duration (number) duration of the animation in milliseconds\n - easing (function) #optional easing function from @mina or custom\n - callback (function) #optional callback function that executes when the animation ends\n = (Element) the current element\n /*/\n elproto.animate = function (attrs, ms, easing, callback) {\n if (typeof easing == \"function\" && !easing.length) {\n callback = easing;\n easing = mina.linear;\n }\n if (attrs instanceof Animation) {\n callback = attrs.callback;\n easing = attrs.easing;\n ms = easing.dur;\n attrs = attrs.attr;\n }\n var fkeys = [], tkeys = [], keys = {}, from, to, f, eq,\n el = this;\n for (var key in attrs) if (attrs[has](key)) {\n if (el.equal) {\n eq = el.equal(key, Str(attrs[key]));\n from = eq.from;\n to = eq.to;\n f = eq.f;\n } else {\n from = +el.attr(key);\n to = +attrs[key];\n }\n var len = is(from, \"array\") ? from.length : 1;\n keys[key] = slice(fkeys.length, fkeys.length + len, f);\n fkeys = fkeys.concat(from);\n tkeys = tkeys.concat(to);\n }\n var now = mina.time(),\n anim = mina(fkeys, tkeys, now, now + ms, mina.time, function (val) {\n var attr = {};\n for (var key in keys) if (keys[has](key)) {\n attr[key] = keys[key](val);\n }\n el.attr(attr);\n }, easing);\n el.anims[anim.id] = anim;\n anim._attrs = attrs;\n anim._callback = callback;\n eve(\"snap.animcreated.\" + el.id, anim);\n eve.once(\"mina.finish.\" + anim.id, function () {\n delete el.anims[anim.id];\n callback && callback.call(el);\n });\n eve.once(\"mina.stop.\" + anim.id, function () {\n delete el.anims[anim.id];\n });\n return el;\n };\n var eldata = {};\n /*/\n * Element.data\n [ method ]\n **\n * Adds or retrieves given value associated with given key. (Don’t confuse\n * with `data-` attributes)\n *\n * See also @Element.removeData\n - key (string) key to store data\n - value (any) #optional value to store\n = (object) @Element\n * or, if value is not specified:\n = (any) value\n > Usage\n | for (var i = 0, i < 5, i++) {\n | paper.circle(10 + 15 * i, 10, 10)\n | .attr({fill: \"#000\"})\n | .data(\"i\", i)\n | .click(function () {\n | alert(this.data(\"i\"));\n | });\n | }\n /*/\n elproto.data = function (key, value) {\n var data = eldata[this.id] = eldata[this.id] || {};\n if (arguments.length == 0){\n eve(\"snap.data.get.\" + this.id, this, data, null);\n return data;\n }\n if (arguments.length == 1) {\n if (Snap.is(key, \"object\")) {\n for (var i in key) if (key[has](i)) {\n this.data(i, key[i]);\n }\n return this;\n }\n eve(\"snap.data.get.\" + this.id, this, data[key], key);\n return data[key];\n }\n data[key] = value;\n eve(\"snap.data.set.\" + this.id, this, value, key);\n return this;\n };\n /*/\n * Element.removeData\n [ method ]\n **\n * Removes value associated with an element by given key.\n * If key is not provided, removes all the data of the element.\n - key (string) #optional key\n = (object) @Element\n /*/\n elproto.removeData = function (key) {\n if (key == null) {\n eldata[this.id] = {};\n } else {\n eldata[this.id] && delete eldata[this.id][key];\n }\n return this;\n };\n /*/\n * Element.outerSVG\n [ method ]\n **\n * Returns SVG code for the element, equivalent to HTML's `outerHTML`.\n *\n * See also @Element.innerSVG\n = (string) SVG code for the element\n /*/\n /*/\n * Element.toString\n [ method ]\n **\n * See @Element.outerSVG\n /*/\n elproto.outerSVG = elproto.toString = toString(1);\n /*/\n * Element.innerSVG\n [ method ]\n **\n * Returns SVG code for the element's contents, equivalent to HTML's `innerHTML`\n = (string) SVG code for the element\n /*/\n elproto.innerSVG = toString();\n function toString(type) {\n return function () {\n var res = type ? \"<\" + this.type : \"\",\n attr = this.node.attributes,\n chld = this.node.childNodes;\n if (type) {\n for (var i = 0, ii = attr.length; i < ii; i++) {\n res += \" \" + attr[i].name + '=\"' +\n attr[i].value.replace(/\"/g, '//\"') + '\"';\n }\n }\n if (chld.length) {\n type && (res += \">\");\n for (i = 0, ii = chld.length; i < ii; i++) {\n if (chld[i].nodeType == 3) {\n res += chld[i].nodeValue;\n } else if (chld[i].nodeType == 1) {\n res += wrap(chld[i]).toString();\n }\n }\n type && (res += \"</\" + this.type + \">\");\n } else {\n type && (res += \"/>\");\n }\n return res;\n };\n }\n elproto.toDataURL = function () {\n if (window && window.btoa) {\n var bb = this.getBBox(),\n svg = Snap.format('<svg version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"{width}\" height=\"{height}\" viewBox=\"{x} {y} {width} {height}\">{contents}</svg>', {\n x: +bb.x.toFixed(3),\n y: +bb.y.toFixed(3),\n width: +bb.width.toFixed(3),\n height: +bb.height.toFixed(3),\n contents: this.outerSVG()\n });\n return \"data:image/svg+xml;base64,\" + btoa(unescape(encodeURIComponent(svg)));\n }\n };\n /*/\n * Fragment.select\n [ method ]\n **\n * See @Element.select\n /*/\n Fragment.prototype.select = elproto.select;\n /*/\n * Fragment.selectAll\n [ method ]\n **\n * See @Element.selectAll\n /*/\n Fragment.prototype.selectAll = elproto.selectAll;\n});\n\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob, Fragment) {\n var objectToString = Object.prototype.toString,\n Str = String,\n math = Math,\n E = \"\";\n function Matrix(a, b, c, d, e, f) {\n if (b == null && objectToString.call(a) == \"[object SVGMatrix]\") {\n this.a = a.a;\n this.b = a.b;\n this.c = a.c;\n this.d = a.d;\n this.e = a.e;\n this.f = a.f;\n return;\n }\n if (a != null) {\n this.a = +a;\n this.b = +b;\n this.c = +c;\n this.d = +d;\n this.e = +e;\n this.f = +f;\n } else {\n this.a = 1;\n this.b = 0;\n this.c = 0;\n this.d = 1;\n this.e = 0;\n this.f = 0;\n }\n }\n (function (matrixproto) {\n /*/\n * Matrix.add\n [ method ]\n **\n * Adds the given matrix to existing one\n - a (number)\n - b (number)\n - c (number)\n - d (number)\n - e (number)\n - f (number)\n * or\n - matrix (object) @Matrix\n /*/\n matrixproto.add = function (a, b, c, d, e, f) {\n var out = [[], [], []],\n m = [[this.a, this.c, this.e], [this.b, this.d, this.f], [0, 0, 1]],\n matrix = [[a, c, e], [b, d, f], [0, 0, 1]],\n x, y, z, res;\n\n if (a && a instanceof Matrix) {\n matrix = [[a.a, a.c, a.e], [a.b, a.d, a.f], [0, 0, 1]];\n }\n\n for (x = 0; x < 3; x++) {\n for (y = 0; y < 3; y++) {\n res = 0;\n for (z = 0; z < 3; z++) {\n res += m[x][z] * matrix[z][y];\n }\n out[x][y] = res;\n }\n }\n this.a = out[0][0];\n this.b = out[1][0];\n this.c = out[0][1];\n this.d = out[1][1];\n this.e = out[0][2];\n this.f = out[1][2];\n return this;\n };\n /*/\n * Matrix.invert\n [ method ]\n **\n * Returns an inverted version of the matrix\n = (object) @Matrix\n /*/\n matrixproto.invert = function () {\n var me = this,\n x = me.a * me.d - me.b * me.c;\n return new Matrix(me.d / x, -me.b / x, -me.c / x, me.a / x, (me.c * me.f - me.d * me.e) / x, (me.b * me.e - me.a * me.f) / x);\n };\n /*/\n * Matrix.clone\n [ method ]\n **\n * Returns a copy of the matrix\n = (object) @Matrix\n /*/\n matrixproto.clone = function () {\n return new Matrix(this.a, this.b, this.c, this.d, this.e, this.f);\n };\n /*/\n * Matrix.translate\n [ method ]\n **\n * Translate the matrix\n - x (number) horizontal offset distance\n - y (number) vertical offset distance\n /*/\n matrixproto.translate = function (x, y) {\n return this.add(1, 0, 0, 1, x, y);\n };\n /*/\n * Matrix.scale\n [ method ]\n **\n * Scales the matrix\n - x (number) amount to be scaled, with `1` resulting in no change\n - y (number) #optional amount to scale along the vertical axis. (Otherwise `x` applies to both axes.)\n - cx (number) #optional horizontal origin point from which to scale\n - cy (number) #optional vertical origin point from which to scale\n * Default cx, cy is the middle point of the element.\n /*/\n matrixproto.scale = function (x, y, cx, cy) {\n y == null && (y = x);\n (cx || cy) && this.add(1, 0, 0, 1, cx, cy);\n this.add(x, 0, 0, y, 0, 0);\n (cx || cy) && this.add(1, 0, 0, 1, -cx, -cy);\n return this;\n };\n /*/\n * Matrix.rotate\n [ method ]\n **\n * Rotates the matrix\n - a (number) angle of rotation, in degrees\n - x (number) horizontal origin point from which to rotate\n - y (number) vertical origin point from which to rotate\n /*/\n matrixproto.rotate = function (a, x, y) {\n a = Snap.rad(a);\n x = x || 0;\n y = y || 0;\n var cos = +math.cos(a).toFixed(9),\n sin = +math.sin(a).toFixed(9);\n this.add(cos, sin, -sin, cos, x, y);\n return this.add(1, 0, 0, 1, -x, -y);\n };\n /*/\n * Matrix.x\n [ method ]\n **\n * Returns x coordinate for given point after transformation described by the matrix. See also @Matrix.y\n - x (number)\n - y (number)\n = (number) x\n /*/\n matrixproto.x = function (x, y) {\n return x * this.a + y * this.c + this.e;\n };\n /*/\n * Matrix.y\n [ method ]\n **\n * Returns y coordinate for given point after transformation described by the matrix. See also @Matrix.x\n - x (number)\n - y (number)\n = (number) y\n /*/\n matrixproto.y = function (x, y) {\n return x * this.b + y * this.d + this.f;\n };\n matrixproto.get = function (i) {\n return +this[Str.fromCharCode(97 + i)].toFixed(4);\n };\n matrixproto.toString = function () {\n return \"matrix(\" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)].join() + \")\";\n };\n matrixproto.offset = function () {\n return [this.e.toFixed(4), this.f.toFixed(4)];\n };\n function norm(a) {\n return a[0] * a[0] + a[1] * a[1];\n }\n function normalize(a) {\n var mag = math.sqrt(norm(a));\n a[0] && (a[0] /= mag);\n a[1] && (a[1] /= mag);\n }\n /*/\n * Matrix.determinant\n [ method ]\n **\n * Finds determinant of the given matrix.\n = (number) determinant\n /*/\n matrixproto.determinant = function () {\n return this.a * this.d - this.b * this.c;\n };\n /*/\n * Matrix.split\n [ method ]\n **\n * Splits matrix into primitive transformations\n = (object) in format:\n o dx (number) translation by x\n o dy (number) translation by y\n o scalex (number) scale by x\n o scaley (number) scale by y\n o shear (number) shear\n o rotate (number) rotation in deg\n o isSimple (boolean) could it be represented via simple transformations\n /*/\n matrixproto.split = function () {\n var out = {};\n // translation\n out.dx = this.e;\n out.dy = this.f;\n\n // scale and shear\n var row = [[this.a, this.c], [this.b, this.d]];\n out.scalex = math.sqrt(norm(row[0]));\n normalize(row[0]);\n\n out.shear = row[0][0] * row[1][0] + row[0][1] * row[1][1];\n row[1] = [row[1][0] - row[0][0] * out.shear, row[1][1] - row[0][1] * out.shear];\n\n out.scaley = math.sqrt(norm(row[1]));\n normalize(row[1]);\n out.shear /= out.scaley;\n\n if (this.determinant() < 0) {\n out.scalex = -out.scalex;\n }\n\n // rotation\n var sin = -row[0][1],\n cos = row[1][1];\n if (cos < 0) {\n out.rotate = Snap.deg(math.acos(cos));\n if (sin < 0) {\n out.rotate = 360 - out.rotate;\n }\n } else {\n out.rotate = Snap.deg(math.asin(sin));\n }\n\n out.isSimple = !+out.shear.toFixed(9) && (out.scalex.toFixed(9) == out.scaley.toFixed(9) || !out.rotate);\n out.isSuperSimple = !+out.shear.toFixed(9) && out.scalex.toFixed(9) == out.scaley.toFixed(9) && !out.rotate;\n out.noRotation = !+out.shear.toFixed(9) && !out.rotate;\n return out;\n };\n /*/\n * Matrix.toTransformString\n [ method ]\n **\n * Returns transform string that represents given matrix\n = (string) transform string\n /*/\n matrixproto.toTransformString = function (shorter) {\n var s = shorter || this.split();\n if (!+s.shear.toFixed(9)) {\n s.scalex = +s.scalex.toFixed(4);\n s.scaley = +s.scaley.toFixed(4);\n s.rotate = +s.rotate.toFixed(4);\n return (s.dx || s.dy ? \"t\" + [+s.dx.toFixed(4), +s.dy.toFixed(4)] : E) + \n (s.scalex != 1 || s.scaley != 1 ? \"s\" + [s.scalex, s.scaley, 0, 0] : E) +\n (s.rotate ? \"r\" + [+s.rotate.toFixed(4), 0, 0] : E);\n } else {\n return \"m\" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)];\n }\n };\n })(Matrix.prototype);\n /*/\n * Snap.Matrix\n [ method ]\n **\n * Matrix constructor, extend on your own risk.\n * To create matrices use @Snap.matrix.\n /*/\n Snap.Matrix = Matrix;\n /*/\n * Snap.matrix\n [ method ]\n **\n * Utility method\n **\n * Returns a matrix based on the given parameters\n - a (number)\n - b (number)\n - c (number)\n - d (number)\n - e (number)\n - f (number)\n * or\n - svgMatrix (SVGMatrix)\n = (object) @Matrix\n /*/\n Snap.matrix = function (a, b, c, d, e, f) {\n return new Matrix(a, b, c, d, e, f);\n };\n});\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob, Fragment) {\n var has = \"hasOwnProperty\",\n make = Snap._.make,\n wrap = Snap._.wrap,\n is = Snap.is,\n getSomeDefs = Snap._.getSomeDefs,\n reURLValue = /^url/(#?([^)]+)/)$/,\n $ = Snap._.$,\n URL = Snap.url,\n Str = String,\n separator = Snap._.separator,\n E = \"\";\n // Attributes event handlers\n eve.on(\"snap.util.attr.mask\", function (value) {\n if (value instanceof Element || value instanceof Fragment) {\n eve.stop();\n if (value instanceof Fragment && value.node.childNodes.length == 1) {\n value = value.node.firstChild;\n getSomeDefs(this).appendChild(value);\n value = wrap(value);\n }\n if (value.type == \"mask\") {\n var mask = value;\n } else {\n mask = make(\"mask\", getSomeDefs(this));\n mask.node.appendChild(value.node);\n }\n !mask.node.id && $(mask.node, {\n id: mask.id\n });\n $(this.node, {\n mask: URL(mask.id)\n });\n }\n });\n (function (clipIt) {\n eve.on(\"snap.util.attr.clip\", clipIt);\n eve.on(\"snap.util.attr.clip-path\", clipIt);\n eve.on(\"snap.util.attr.clipPath\", clipIt);\n }(function (value) {\n if (value instanceof Element || value instanceof Fragment) {\n eve.stop();\n if (value.type == \"clipPath\") {\n var clip = value;\n } else {\n clip = make(\"clipPath\", getSomeDefs(this));\n clip.node.appendChild(value.node);\n !clip.node.id && $(clip.node, {\n id: clip.id\n });\n }\n $(this.node, {\n \"clip-path\": URL(clip.node.id || clip.id)\n });\n }\n }));\n function fillStroke(name) {\n return function (value) {\n eve.stop();\n if (value instanceof Fragment && value.node.childNodes.length == 1 &&\n (value.node.firstChild.tagName == \"radialGradient\" ||\n value.node.firstChild.tagName == \"linearGradient\" ||\n value.node.firstChild.tagName == \"pattern\")) {\n value = value.node.firstChild;\n getSomeDefs(this).appendChild(value);\n value = wrap(value);\n }\n if (value instanceof Element) {\n if (value.type == \"radialGradient\" || value.type == \"linearGradient\"\n || value.type == \"pattern\") {\n if (!value.node.id) {\n $(value.node, {\n id: value.id\n });\n }\n var fill = URL(value.node.id);\n } else {\n fill = value.attr(name);\n }\n } else {\n fill = Snap.color(value);\n if (fill.error) {\n var grad = Snap(getSomeDefs(this).ownerSVGElement).gradient(value);\n if (grad) {\n if (!grad.node.id) {\n $(grad.node, {\n id: grad.id\n });\n }\n fill = URL(grad.node.id);\n } else {\n fill = value;\n }\n } else {\n fill = Str(fill);\n }\n }\n var attrs = {};\n attrs[name] = fill;\n $(this.node, attrs);\n this.node.style[name] = E;\n };\n }\n eve.on(\"snap.util.attr.fill\", fillStroke(\"fill\"));\n eve.on(\"snap.util.attr.stroke\", fillStroke(\"stroke\"));\n var gradrg = /^([lr])(?:/(([^)]*)/))?(.*)$/i;\n eve.on(\"snap.util.grad.parse\", function parseGrad(string) {\n string = Str(string);\n var tokens = string.match(gradrg);\n if (!tokens) {\n return null;\n }\n var type = tokens[1],\n params = tokens[2],\n stops = tokens[3];\n params = params.split(//s*,/s*/).map(function (el) {\n return +el == el ? +el : el;\n });\n if (params.length == 1 && params[0] == 0) {\n params = [];\n }\n stops = stops.split(\"-\");\n stops = stops.map(function (el) {\n el = el.split(\":\");\n var out = {\n color: el[0]\n };\n if (el[1]) {\n out.offset = parseFloat(el[1]);\n }\n return out;\n });\n return {\n type: type,\n params: params,\n stops: stops\n };\n });\n\n eve.on(\"snap.util.attr.d\", function (value) {\n eve.stop();\n if (is(value, \"array\") && is(value[0], \"array\")) {\n value = Snap.path.toString.call(value);\n }\n value = Str(value);\n if (value.match(/[ruo]/i)) {\n value = Snap.path.toAbsolute(value);\n }\n $(this.node, {d: value});\n })(-1);\n eve.on(\"snap.util.attr.#text\", function (value) {\n eve.stop();\n value = Str(value);\n var txt = glob.doc.createTextNode(value);\n while (this.node.firstChild) {\n this.node.removeChild(this.node.firstChild);\n }\n this.node.appendChild(txt);\n })(-1);\n eve.on(\"snap.util.attr.path\", function (value) {\n eve.stop();\n this.attr({d: value});\n })(-1);\n eve.on(\"snap.util.attr.class\", function (value) {\n eve.stop();\n this.node.className.baseVal = value;\n })(-1);\n eve.on(\"snap.util.attr.viewBox\", function (value) {\n var vb;\n if (is(value, \"object\") && \"x\" in value) {\n vb = [value.x, value.y, value.width, value.height].join(\" \");\n } else if (is(value, \"array\")) {\n vb = value.join(\" \");\n } else {\n vb = value;\n }\n $(this.node, {\n viewBox: vb\n });\n eve.stop();\n })(-1);\n eve.on(\"snap.util.attr.transform\", function (value) {\n this.transform(value);\n eve.stop();\n })(-1);\n eve.on(\"snap.util.attr.r\", function (value) {\n if (this.type == \"rect\") {\n eve.stop();\n $(this.node, {\n rx: value,\n ry: value\n });\n }\n })(-1);\n eve.on(\"snap.util.attr.textpath\", function (value) {\n eve.stop();\n if (this.type == \"text\") {\n var id, tp, node;\n if (!value && this.textPath) {\n tp = this.textPath;\n while (tp.node.firstChild) {\n this.node.appendChild(tp.node.firstChild);\n }\n tp.remove();\n delete this.textPath;\n return;\n }\n if (is(value, \"string\")) {\n var defs = getSomeDefs(this),\n path = wrap(defs.parentNode).path(value);\n defs.appendChild(path.node);\n id = path.id;\n path.attr({id: id});\n } else {\n value = wrap(value);\n if (value instanceof Element) {\n id = value.attr(\"id\");\n if (!id) {\n id = value.id;\n value.attr({id: id});\n }\n }\n }\n if (id) {\n tp = this.textPath;\n node = this.node;\n if (tp) {\n tp.attr({\"xlink:href\": \"#\" + id});\n } else {\n tp = $(\"textPath\", {\n \"xlink:href\": \"#\" + id\n });\n while (node.firstChild) {\n tp.appendChild(node.firstChild);\n }\n node.appendChild(tp);\n this.textPath = wrap(tp);\n }\n }\n }\n })(-1);\n eve.on(\"snap.util.attr.text\", function (value) {\n if (this.type == \"text\") {\n var i = 0,\n node = this.node,\n tuner = function (chunk) {\n var out = $(\"tspan\");\n if (is(chunk, \"array\")) {\n for (var i = 0; i < chunk.length; i++) {\n out.appendChild(tuner(chunk[i]));\n }\n } else {\n out.appendChild(glob.doc.createTextNode(chunk));\n }\n out.normalize && out.normalize();\n return out;\n };\n while (node.firstChild) {\n node.removeChild(node.firstChild);\n }\n var tuned = tuner(value);\n while (tuned.firstChild) {\n node.appendChild(tuned.firstChild);\n }\n }\n eve.stop();\n })(-1);\n function setFontSize(value) {\n eve.stop();\n if (value == +value) {\n value += \"px\";\n }\n this.node.style.fontSize = value;\n }\n eve.on(\"snap.util.attr.fontSize\", setFontSize)(-1);\n eve.on(\"snap.util.attr.font-size\", setFontSize)(-1);\n\n\n eve.on(\"snap.util.getattr.transform\", function () {\n eve.stop();\n return this.transform();\n })(-1);\n eve.on(\"snap.util.getattr.textpath\", function () {\n eve.stop();\n return this.textPath;\n })(-1);\n // Markers\n (function () {\n function getter(end) {\n return function () {\n eve.stop();\n var style = glob.doc.defaultView.getComputedStyle(this.node, null).getPropertyValue(\"marker-\" + end);\n if (style == \"none\") {\n return style;\n } else {\n return Snap(glob.doc.getElementById(style.match(reURLValue)[1]));\n }\n };\n }\n function setter(end) {\n return function (value) {\n eve.stop();\n var name = \"marker\" + end.charAt(0).toUpperCase() + end.substring(1);\n if (value == \"\" || !value) {\n this.node.style[name] = \"none\";\n return;\n }\n if (value.type == \"marker\") {\n var id = value.node.id;\n if (!id) {\n $(value.node, {id: value.id});\n }\n this.node.style[name] = URL(id);\n return;\n }\n };\n }\n eve.on(\"snap.util.getattr.marker-end\", getter(\"end\"))(-1);\n eve.on(\"snap.util.getattr.markerEnd\", getter(\"end\"))(-1);\n eve.on(\"snap.util.getattr.marker-start\", getter(\"start\"))(-1);\n eve.on(\"snap.util.getattr.markerStart\", getter(\"start\"))(-1);\n eve.on(\"snap.util.getattr.marker-mid\", getter(\"mid\"))(-1);\n eve.on(\"snap.util.getattr.markerMid\", getter(\"mid\"))(-1);\n eve.on(\"snap.util.attr.marker-end\", setter(\"end\"))(-1);\n eve.on(\"snap.util.attr.markerEnd\", setter(\"end\"))(-1);\n eve.on(\"snap.util.attr.marker-start\", setter(\"start\"))(-1);\n eve.on(\"snap.util.attr.markerStart\", setter(\"start\"))(-1);\n eve.on(\"snap.util.attr.marker-mid\", setter(\"mid\"))(-1);\n eve.on(\"snap.util.attr.markerMid\", setter(\"mid\"))(-1);\n }());\n eve.on(\"snap.util.getattr.r\", function () {\n if (this.type == \"rect\" && $(this.node, \"rx\") == $(this.node, \"ry\")) {\n eve.stop();\n return $(this.node, \"rx\");\n }\n })(-1);\n function textExtract(node) {\n var out = [];\n var children = node.childNodes;\n for (var i = 0, ii = children.length; i < ii; i++) {\n var chi = children[i];\n if (chi.nodeType == 3) {\n out.push(chi.nodeValue);\n }\n if (chi.tagName == \"tspan\") {\n if (chi.childNodes.length == 1 && chi.firstChild.nodeType == 3) {\n out.push(chi.firstChild.nodeValue);\n } else {\n out.push(textExtract(chi));\n }\n }\n }\n return out;\n }\n eve.on(\"snap.util.getattr.text\", function () {\n if (this.type == \"text\" || this.type == \"tspan\") {\n eve.stop();\n var out = textExtract(this.node);\n return out.length == 1 ? out[0] : out;\n }\n })(-1);\n eve.on(\"snap.util.getattr.#text\", function () {\n return this.node.textContent;\n })(-1);\n eve.on(\"snap.util.getattr.viewBox\", function () {\n eve.stop();\n var vb = $(this.node, \"viewBox\");\n if (vb) {\n vb = vb.split(separator);\n return Snap._.box(+vb[0], +vb[1], +vb[2], +vb[3]);\n } else {\n return;\n }\n })(-1);\n eve.on(\"snap.util.getattr.points\", function () {\n var p = $(this.node, \"points\");\n eve.stop();\n if (p) {\n return p.split(separator);\n } else {\n return;\n }\n })(-1);\n eve.on(\"snap.util.getattr.path\", function () {\n var p = $(this.node, \"d\");\n eve.stop();\n return p;\n })(-1);\n eve.on(\"snap.util.getattr.class\", function () {\n return this.node.className.baseVal;\n })(-1);\n function getFontSize() {\n eve.stop();\n return this.node.style.fontSize;\n }\n eve.on(\"snap.util.getattr.fontSize\", getFontSize)(-1);\n eve.on(\"snap.util.getattr.font-size\", getFontSize)(-1);\n});\n\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob, Fragment) {\n var proto = Paper.prototype,\n is = Snap.is;\n /*/\n * Paper.rect\n [ method ]\n *\n * Draws a rectangle\n **\n - x (number) x coordinate of the top left corner\n - y (number) y coordinate of the top left corner\n - width (number) width\n - height (number) height\n - rx (number) #optional horizontal radius for rounded corners, default is 0\n - ry (number) #optional vertical radius for rounded corners, default is rx or 0\n = (object) the `rect` element\n **\n > Usage\n | // regular rectangle\n | var c = paper.rect(10, 10, 50, 50);\n | // rectangle with rounded corners\n | var c = paper.rect(40, 40, 50, 50, 10);\n /*/\n proto.rect = function (x, y, w, h, rx, ry) {\n var attr;\n if (ry == null) {\n ry = rx;\n }\n if (is(x, \"object\") && x == \"[object Object]\") {\n attr = x;\n } else if (x != null) {\n attr = {\n x: x,\n y: y,\n width: w,\n height: h\n };\n if (rx != null) {\n attr.rx = rx;\n attr.ry = ry;\n }\n }\n return this.el(\"rect\", attr);\n };\n /*/\n * Paper.circle\n [ method ]\n **\n * Draws a circle\n **\n - x (number) x coordinate of the centre\n - y (number) y coordinate of the centre\n - r (number) radius\n = (object) the `circle` element\n **\n > Usage\n | var c = paper.circle(50, 50, 40);\n /*/\n proto.circle = function (cx, cy, r) {\n var attr;\n if (is(cx, \"object\") && cx == \"[object Object]\") {\n attr = cx;\n } else if (cx != null) {\n attr = {\n cx: cx,\n cy: cy,\n r: r\n };\n }\n return this.el(\"circle\", attr);\n };\n\n var preload = (function () {\n function onerror() {\n this.parentNode.removeChild(this);\n }\n return function (src, f) {\n var img = glob.doc.createElement(\"img\"),\n body = glob.doc.body;\n img.style.cssText = \"position:absolute;left:-9999em;top:-9999em\";\n img.onload = function () {\n f.call(img);\n img.onload = img.onerror = null;\n body.removeChild(img);\n };\n img.onerror = onerror;\n body.appendChild(img);\n img.src = src;\n };\n }());\n\n /*/\n * Paper.image\n [ method ]\n **\n * Places an image on the surface\n **\n - src (string) URI of the source image\n - x (number) x offset position\n - y (number) y offset position\n - width (number) width of the image\n - height (number) height of the image\n = (object) the `image` element\n * or\n = (object) Snap element object with type `image`\n **\n > Usage\n | var c = paper.image(\"apple.png\", 10, 10, 80, 80);\n /*/\n proto.image = function (src, x, y, width, height) {\n var el = this.el(\"image\");\n if (is(src, \"object\") && \"src\" in src) {\n el.attr(src);\n } else if (src != null) {\n var set = {\n \"xlink:href\": src,\n preserveAspectRatio: \"none\"\n };\n if (x != null && y != null) {\n set.x = x;\n set.y = y;\n }\n if (width != null && height != null) {\n set.width = width;\n set.height = height;\n } else {\n preload(src, function () {\n Snap._.$(el.node, {\n width: this.offsetWidth,\n height: this.offsetHeight\n });\n });\n }\n Snap._.$(el.node, set);\n }\n return el;\n };\n /*/\n * Paper.ellipse\n [ method ]\n **\n * Draws an ellipse\n **\n - x (number) x coordinate of the centre\n - y (number) y coordinate of the centre\n - rx (number) horizontal radius\n - ry (number) vertical radius\n = (object) the `ellipse` element\n **\n > Usage\n | var c = paper.ellipse(50, 50, 40, 20);\n /*/\n proto.ellipse = function (cx, cy, rx, ry) {\n var attr;\n if (is(cx, \"object\") && cx == \"[object Object]\") {\n attr = cx;\n } else if (cx != null) {\n attr ={\n cx: cx,\n cy: cy,\n rx: rx,\n ry: ry\n };\n }\n return this.el(\"ellipse\", attr);\n };\n // SIERRA Paper.path(): Unclear from the link what a Catmull-Rom curveto is, and why it would make life any easier.\n /*/\n * Paper.path\n [ method ]\n **\n * Creates a `<path>` element using the given string as the path's definition\n - pathString (string) #optional path string in SVG format\n * Path string consists of one-letter commands, followed by comma seprarated arguments in numerical form. Example:\n | \"M10,20L30,40\"\n * This example features two commands: `M`, with arguments `(10, 20)` and `L` with arguments `(30, 40)`. Uppercase letter commands express coordinates in absolute terms, while lowercase commands express them in relative terms from the most recently declared coordinates.\n *\n # <p>Here is short list of commands available, for more details see <a href=\"http://www.w3.org/TR/SVG/paths.html#PathData\" title=\"Details of a path's data attribute's format are described in the SVG specification.\">SVG path string format</a> or <a href=\"https://developer.mozilla.org/en/SVG/Tutorial/Paths\">article about path strings at MDN</a>.</p>\n # <table><thead><tr><th>Command</th><th>Name</th><th>Parameters</th></tr></thead><tbody>\n # <tr><td>M</td><td>moveto</td><td>(x y)+</td></tr>\n # <tr><td>Z</td><td>closepath</td><td>(none)</td></tr>\n # <tr><td>L</td><td>lineto</td><td>(x y)+</td></tr>\n # <tr><td>H</td><td>horizontal lineto</td><td>x+</td></tr>\n # <tr><td>V</td><td>vertical lineto</td><td>y+</td></tr>\n # <tr><td>C</td><td>curveto</td><td>(x1 y1 x2 y2 x y)+</td></tr>\n # <tr><td>S</td><td>smooth curveto</td><td>(x2 y2 x y)+</td></tr>\n # <tr><td>Q</td><td>quadratic Bézier curveto</td><td>(x1 y1 x y)+</td></tr>\n # <tr><td>T</td><td>smooth quadratic Bézier curveto</td><td>(x y)+</td></tr>\n # <tr><td>A</td><td>elliptical arc</td><td>(rx ry x-axis-rotation large-arc-flag sweep-flag x y)+</td></tr>\n # <tr><td>R</td><td><a href=\"http://en.wikipedia.org/wiki/Catmull–Rom_spline#Catmull.E2.80.93Rom_spline\">Catmull-Rom curveto</a>*</td><td>x1 y1 (x y)+</td></tr></tbody></table>\n * * _Catmull-Rom curveto_ is a not standard SVG command and added to make life easier.\n * Note: there is a special case when a path consists of only three commands: `M10,10R…z`. In this case the path connects back to its starting point.\n > Usage\n | var c = paper.path(\"M10 10L90 90\");\n | // draw a diagonal line:\n | // move to 10,10, line to 90,90\n /*/\n proto.path = function (d) {\n var attr;\n if (is(d, \"object\") && !is(d, \"array\")) {\n attr = d;\n } else if (d) {\n attr = {d: d};\n }\n return this.el(\"path\", attr);\n };\n /*/\n * Paper.g\n [ method ]\n **\n * Creates a group element\n **\n - varargs (…) #optional elements to nest within the group\n = (object) the `g` element\n **\n > Usage\n | var c1 = paper.circle(),\n | c2 = paper.rect(),\n | g = paper.g(c2, c1); // note that the order of elements is different\n * or\n | var c1 = paper.circle(),\n | c2 = paper.rect(),\n | g = paper.g();\n | g.add(c2, c1);\n /*/\n /*/\n * Paper.group\n [ method ]\n **\n * See @Paper.g\n /*/\n proto.group = proto.g = function (first) {\n var attr,\n el = this.el(\"g\");\n if (arguments.length == 1 && first && !first.type) {\n el.attr(first);\n } else if (arguments.length) {\n el.add(Array.prototype.slice.call(arguments, 0));\n }\n return el;\n };\n /*/\n * Paper.svg\n [ method ]\n **\n * Creates a nested SVG element.\n - x (number) @optional X of the element\n - y (number) @optional Y of the element\n - width (number) @optional width of the element\n - height (number) @optional height of the element\n - vbx (number) @optional viewbox X\n - vby (number) @optional viewbox Y\n - vbw (number) @optional viewbox width\n - vbh (number) @optional viewbox height\n **\n = (object) the `svg` element\n **\n /*/\n proto.svg = function (x, y, width, height, vbx, vby, vbw, vbh) {\n var attrs = {};\n if (is(x, \"object\") && y == null) {\n attrs = x;\n } else {\n if (x != null) {\n attrs.x = x;\n }\n if (y != null) {\n attrs.y = y;\n }\n if (width != null) {\n attrs.width = width;\n }\n if (height != null) {\n attrs.height = height;\n }\n if (vbx != null && vby != null && vbw != null && vbh != null) {\n attrs.viewBox = [vbx, vby, vbw, vbh];\n }\n }\n return this.el(\"svg\", attrs);\n };\n /*/\n * Paper.mask\n [ method ]\n **\n * Equivalent in behaviour to @Paper.g, except it’s a mask.\n **\n = (object) the `mask` element\n **\n /*/\n proto.mask = function (first) {\n var attr,\n el = this.el(\"mask\");\n if (arguments.length == 1 && first && !first.type) {\n el.attr(first);\n } else if (arguments.length) {\n el.add(Array.prototype.slice.call(arguments, 0));\n }\n return el;\n };\n /*/\n * Paper.ptrn\n [ method ]\n **\n * Equivalent in behaviour to @Paper.g, except it’s a pattern.\n - x (number) @optional X of the element\n - y (number) @optional Y of the element\n - width (number) @optional width of the element\n - height (number) @optional height of the element\n - vbx (number) @optional viewbox X\n - vby (number) @optional viewbox Y\n - vbw (number) @optional viewbox width\n - vbh (number) @optional viewbox height\n **\n = (object) the `pattern` element\n **\n /*/\n proto.ptrn = function (x, y, width, height, vx, vy, vw, vh) {\n if (is(x, \"object\")) {\n var attr = x;\n } else {\n attr = {patternUnits: \"userSpaceOnUse\"};\n if (x) {\n attr.x = x;\n }\n if (y) {\n attr.y = y;\n }\n if (width != null) {\n attr.width = width;\n }\n if (height != null) {\n attr.height = height;\n }\n if (vx != null && vy != null && vw != null && vh != null) {\n attr.viewBox = [vx, vy, vw, vh];\n }\n }\n return this.el(\"pattern\", attr);\n };\n /*/\n * Paper.use\n [ method ]\n **\n * Creates a <use> element.\n - id (string) @optional id of element to link\n * or\n - id (Element) @optional element to link\n **\n = (object) the `use` element\n **\n /*/\n proto.use = function (id) {\n if (id != null) {\n if (id instanceof Element) {\n if (!id.attr(\"id\")) {\n id.attr({id: Snap._.id(id)});\n }\n id = id.attr(\"id\");\n }\n if (String(id).charAt() == \"#\") {\n id = id.substring(1);\n }\n return this.el(\"use\", {\"xlink:href\": \"#\" + id});\n } else {\n return Element.prototype.use.call(this);\n }\n };\n /*/\n * Paper.symbol\n [ method ]\n **\n * Creates a <symbol> element.\n - vbx (number) @optional viewbox X\n - vby (number) @optional viewbox Y\n - vbw (number) @optional viewbox width\n - vbh (number) @optional viewbox height\n = (object) the `symbol` element\n **\n /*/\n proto.symbol = function (vx, vy, vw, vh) {\n var attr = {};\n if (vx != null && vy != null && vw != null && vh != null) {\n attr.viewBox = [vx, vy, vw, vh];\n }\n\n return this.el(\"symbol\", attr);\n };\n /*/\n * Paper.text\n [ method ]\n **\n * Draws a text string\n **\n - x (number) x coordinate position\n - y (number) y coordinate position\n - text (string|array) The text string to draw or array of strings to nest within separate `<tspan>` elements\n = (object) the `text` element\n **\n > Usage\n | var t1 = paper.text(50, 50, \"Snap\");\n | var t2 = paper.text(50, 50, [\"S\",\"n\",\"a\",\"p\"]);\n | // Text path usage\n | t1.attr({textpath: \"M10,10L100,100\"});\n | // or\n | var pth = paper.path(\"M10,10L100,100\");\n | t1.attr({textpath: pth});\n /*/\n proto.text = function (x, y, text) {\n var attr = {};\n if (is(x, \"object\")) {\n attr = x;\n } else if (x != null) {\n attr = {\n x: x,\n y: y,\n text: text || \"\"\n };\n }\n return this.el(\"text\", attr);\n };\n /*/\n * Paper.line\n [ method ]\n **\n * Draws a line\n **\n - x1 (number) x coordinate position of the start\n - y1 (number) y coordinate position of the start\n - x2 (number) x coordinate position of the end\n - y2 (number) y coordinate position of the end\n = (object) the `line` element\n **\n > Usage\n | var t1 = paper.line(50, 50, 100, 100);\n /*/\n proto.line = function (x1, y1, x2, y2) {\n var attr = {};\n if (is(x1, \"object\")) {\n attr = x1;\n } else if (x1 != null) {\n attr = {\n x1: x1,\n x2: x2,\n y1: y1,\n y2: y2\n };\n }\n return this.el(\"line\", attr);\n };\n /*/\n * Paper.polyline\n [ method ]\n **\n * Draws a polyline\n **\n - points (array) array of points\n * or\n - varargs (…) points\n = (object) the `polyline` element\n **\n > Usage\n | var p1 = paper.polyline([10, 10, 100, 100]);\n | var p2 = paper.polyline(10, 10, 100, 100);\n /*/\n proto.polyline = function (points) {\n if (arguments.length > 1) {\n points = Array.prototype.slice.call(arguments, 0);\n }\n var attr = {};\n if (is(points, \"object\") && !is(points, \"array\")) {\n attr = points;\n } else if (points != null) {\n attr = {points: points};\n }\n return this.el(\"polyline\", attr);\n };\n /*/\n * Paper.polygon\n [ method ]\n **\n * Draws a polygon. See @Paper.polyline\n /*/\n proto.polygon = function (points) {\n if (arguments.length > 1) {\n points = Array.prototype.slice.call(arguments, 0);\n }\n var attr = {};\n if (is(points, \"object\") && !is(points, \"array\")) {\n attr = points;\n } else if (points != null) {\n attr = {points: points};\n }\n return this.el(\"polygon\", attr);\n };\n // gradients\n (function () {\n var $ = Snap._.$;\n // gradients' helpers\n function Gstops() {\n return this.selectAll(\"stop\");\n }\n function GaddStop(color, offset) {\n var stop = $(\"stop\"),\n attr = {\n offset: +offset + \"%\"\n };\n color = Snap.color(color);\n attr[\"stop-color\"] = color.hex;\n if (color.opacity < 1) {\n attr[\"stop-opacity\"] = color.opacity;\n }\n $(stop, attr);\n this.node.appendChild(stop);\n return this;\n }\n function GgetBBox() {\n if (this.type == \"linearGradient\") {\n var x1 = $(this.node, \"x1\") || 0,\n x2 = $(this.node, \"x2\") || 1,\n y1 = $(this.node, \"y1\") || 0,\n y2 = $(this.node, \"y2\") || 0;\n return Snap._.box(x1, y1, math.abs(x2 - x1), math.abs(y2 - y1));\n } else {\n var cx = this.node.cx || .5,\n cy = this.node.cy || .5,\n r = this.node.r || 0;\n return Snap._.box(cx - r, cy - r, r * 2, r * 2);\n }\n }\n function gradient(defs, str) {\n var grad = eve(\"snap.util.grad.parse\", null, str).firstDefined(),\n el;\n if (!grad) {\n return null;\n }\n grad.params.unshift(defs);\n if (grad.type.toLowerCase() == \"l\") {\n el = gradientLinear.apply(0, grad.params);\n } else {\n el = gradientRadial.apply(0, grad.params);\n }\n if (grad.type != grad.type.toLowerCase()) {\n $(el.node, {\n gradientUnits: \"userSpaceOnUse\"\n });\n }\n var stops = grad.stops,\n len = stops.length,\n start = 0,\n j = 0;\n function seed(i, end) {\n var step = (end - start) / (i - j);\n for (var k = j; k < i; k++) {\n stops[k].offset = +(+start + step * (k - j)).toFixed(2);\n }\n j = i;\n start = end;\n }\n len--;\n for (var i = 0; i < len; i++) if (\"offset\" in stops[i]) {\n seed(i, stops[i].offset);\n }\n stops[len].offset = stops[len].offset || 100;\n seed(len, stops[len].offset);\n for (i = 0; i <= len; i++) {\n var stop = stops[i];\n el.addStop(stop.color, stop.offset);\n }\n return el;\n }\n function gradientLinear(defs, x1, y1, x2, y2) {\n var el = Snap._.make(\"linearGradient\", defs);\n el.stops = Gstops;\n el.addStop = GaddStop;\n el.getBBox = GgetBBox;\n if (x1 != null) {\n $(el.node, {\n x1: x1,\n y1: y1,\n x2: x2,\n y2: y2\n });\n }\n return el;\n }\n function gradientRadial(defs, cx, cy, r, fx, fy) {\n var el = Snap._.make(\"radialGradient\", defs);\n el.stops = Gstops;\n el.addStop = GaddStop;\n el.getBBox = GgetBBox;\n if (cx != null) {\n $(el.node, {\n cx: cx,\n cy: cy,\n r: r\n });\n }\n if (fx != null && fy != null) {\n $(el.node, {\n fx: fx,\n fy: fy\n });\n }\n return el;\n }\n /*/\n * Paper.gradient\n [ method ]\n **\n * Creates a gradient element\n **\n - gradient (string) gradient descriptor\n > Gradient Descriptor\n * The gradient descriptor is an expression formatted as\n * follows: `<type>(<coords>)<colors>`. The `<type>` can be\n * either linear or radial. The uppercase `L` or `R` letters\n * indicate absolute coordinates offset from the SVG surface.\n * Lowercase `l` or `r` letters indicate coordinates\n * calculated relative to the element to which the gradient is\n * applied. Coordinates specify a linear gradient vector as\n * `x1`, `y1`, `x2`, `y2`, or a radial gradient as `cx`, `cy`,\n * `r` and optional `fx`, `fy` specifying a focal point away\n * from the center of the circle. Specify `<colors>` as a list\n * of dash-separated CSS color values. Each color may be\n * followed by a custom offset value, separated with a colon\n * character.\n > Examples\n * Linear gradient, relative from top-left corner to bottom-right\n * corner, from black through red to white:\n | var g = paper.gradient(\"l(0, 0, 1, 1)#000-#f00-#fff\");\n * Linear gradient, absolute from (0, 0) to (100, 100), from black\n * through red at 25% to white:\n | var g = paper.gradient(\"L(0, 0, 100, 100)#000-#f00:25-#fff\");\n * Radial gradient, relative from the center of the element with radius\n * half the width, from black to white:\n | var g = paper.gradient(\"r(0.5, 0.5, 0.5)#000-#fff\");\n * To apply the gradient:\n | paper.circle(50, 50, 40).attr({\n | fill: g\n | });\n = (object) the `gradient` element\n /*/\n proto.gradient = function (str) {\n return gradient(this.defs, str);\n };\n proto.gradientLinear = function (x1, y1, x2, y2) {\n return gradientLinear(this.defs, x1, y1, x2, y2);\n };\n proto.gradientRadial = function (cx, cy, r, fx, fy) {\n return gradientRadial(this.defs, cx, cy, r, fx, fy);\n };\n /*/\n * Paper.toString\n [ method ]\n **\n * Returns SVG code for the @Paper\n = (string) SVG code for the @Paper\n /*/\n proto.toString = function () {\n var doc = this.node.ownerDocument,\n f = doc.createDocumentFragment(),\n d = doc.createElement(\"div\"),\n svg = this.node.cloneNode(true),\n res;\n f.appendChild(d);\n d.appendChild(svg);\n Snap._.$(svg, {xmlns: \"http://www.w3.org/2000/svg\"});\n res = d.innerHTML;\n f.removeChild(f.firstChild);\n return res;\n };\n /*/\n * Paper.toDataURL\n [ method ]\n **\n * Returns SVG code for the @Paper as Data URI string.\n = (string) Data URI string\n /*/\n proto.toDataURL = function () {\n if (window && window.btoa) {\n return \"data:image/svg+xml;base64,\" + btoa(unescape(encodeURIComponent(this)));\n }\n };\n /*/\n * Paper.clear\n [ method ]\n **\n * Removes all child nodes of the paper, except <defs>.\n /*/\n proto.clear = function () {\n var node = this.node.firstChild,\n next;\n while (node) {\n next = node.nextSibling;\n if (node.tagName != \"defs\") {\n node.parentNode.removeChild(node);\n } else {\n proto.clear.call({node: node});\n }\n node = next;\n }\n };\n }());\n});\n\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob) {\n var elproto = Element.prototype,\n is = Snap.is,\n clone = Snap._.clone,\n has = \"hasOwnProperty\",\n p2s = /,?([a-z]),?/gi,\n toFloat = parseFloat,\n math = Math,\n PI = math.PI,\n mmin = math.min,\n mmax = math.max,\n pow = math.pow,\n abs = math.abs;\n function paths(ps) {\n var p = paths.ps = paths.ps || {};\n if (p[ps]) {\n p[ps].sleep = 100;\n } else {\n p[ps] = {\n sleep: 100\n };\n }\n setTimeout(function () {\n for (var key in p) if (p[has](key) && key != ps) {\n p[key].sleep--;\n !p[key].sleep && delete p[key];\n }\n });\n return p[ps];\n }\n function box(x, y, width, height) {\n if (x == null) {\n x = y = width = height = 0;\n }\n if (y == null) {\n y = x.y;\n width = x.width;\n height = x.height;\n x = x.x;\n }\n return {\n x: x,\n y: y,\n width: width,\n w: width,\n height: height,\n h: height,\n x2: x + width,\n y2: y + height,\n cx: x + width / 2,\n cy: y + height / 2,\n r1: math.min(width, height) / 2,\n r2: math.max(width, height) / 2,\n r0: math.sqrt(width * width + height * height) / 2,\n path: rectPath(x, y, width, height),\n vb: [x, y, width, height].join(\" \")\n };\n }\n function toString() {\n return this.join(\",\").replace(p2s, \"$1\");\n }\n function pathClone(pathArray) {\n var res = clone(pathArray);\n res.toString = toString;\n return res;\n }\n function getPointAtSegmentLength(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {\n if (length == null) {\n return bezlen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y);\n } else {\n return findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y,\n getTotLen(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length));\n }\n }\n function getLengthFactory(istotal, subpath) {\n function O(val) {\n return +(+val).toFixed(3);\n }\n return Snap._.cacher(function (path, length, onlystart) {\n if (path instanceof Element) {\n path = path.attr(\"d\");\n }\n path = path2curve(path);\n var x, y, p, l, sp = \"\", subpaths = {}, point,\n len = 0;\n for (var i = 0, ii = path.length; i < ii; i++) {\n p = path[i];\n if (p[0] == \"M\") {\n x = +p[1];\n y = +p[2];\n } else {\n l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);\n if (len + l > length) {\n if (subpath && !subpaths.start) {\n point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);\n sp += [\n \"C\" + O(point.start.x),\n O(point.start.y),\n O(point.m.x),\n O(point.m.y),\n O(point.x),\n O(point.y)\n ];\n if (onlystart) {return sp;}\n subpaths.start = sp;\n sp = [\n \"M\" + O(point.x),\n O(point.y) + \"C\" + O(point.n.x),\n O(point.n.y),\n O(point.end.x),\n O(point.end.y),\n O(p[5]),\n O(p[6])\n ].join();\n len += l;\n x = +p[5];\n y = +p[6];\n continue;\n }\n if (!istotal && !subpath) {\n point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);\n return point;\n }\n }\n len += l;\n x = +p[5];\n y = +p[6];\n }\n sp += p.shift() + p;\n }\n subpaths.end = sp;\n point = istotal ? len : subpath ? subpaths : findDotsAtSegment(x, y, p[0], p[1], p[2], p[3], p[4], p[5], 1);\n return point;\n }, null, Snap._.clone);\n }\n var getTotalLength = getLengthFactory(1),\n getPointAtLength = getLengthFactory(),\n getSubpathsAtLength = getLengthFactory(0, 1);\n function findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {\n var t1 = 1 - t,\n t13 = pow(t1, 3),\n t12 = pow(t1, 2),\n t2 = t * t,\n t3 = t2 * t,\n x = t13 * p1x + t12 * 3 * t * c1x + t1 * 3 * t * t * c2x + t3 * p2x,\n y = t13 * p1y + t12 * 3 * t * c1y + t1 * 3 * t * t * c2y + t3 * p2y,\n mx = p1x + 2 * t * (c1x - p1x) + t2 * (c2x - 2 * c1x + p1x),\n my = p1y + 2 * t * (c1y - p1y) + t2 * (c2y - 2 * c1y + p1y),\n nx = c1x + 2 * t * (c2x - c1x) + t2 * (p2x - 2 * c2x + c1x),\n ny = c1y + 2 * t * (c2y - c1y) + t2 * (p2y - 2 * c2y + c1y),\n ax = t1 * p1x + t * c1x,\n ay = t1 * p1y + t * c1y,\n cx = t1 * c2x + t * p2x,\n cy = t1 * c2y + t * p2y,\n alpha = (90 - math.atan2(mx - nx, my - ny) * 180 / PI);\n // (mx > nx || my < ny) && (alpha += 180);\n return {\n x: x,\n y: y,\n m: {x: mx, y: my},\n n: {x: nx, y: ny},\n start: {x: ax, y: ay},\n end: {x: cx, y: cy},\n alpha: alpha\n };\n }\n function bezierBBox(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {\n if (!Snap.is(p1x, \"array\")) {\n p1x = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y];\n }\n var bbox = curveDim.apply(null, p1x);\n return box(\n bbox.min.x,\n bbox.min.y,\n bbox.max.x - bbox.min.x,\n bbox.max.y - bbox.min.y\n );\n }\n function isPointInsideBBox(bbox, x, y) {\n return x >= bbox.x &&\n x <= bbox.x + bbox.width &&\n y >= bbox.y &&\n y <= bbox.y + bbox.height;\n }\n function isBBoxIntersect(bbox1, bbox2) {\n bbox1 = box(bbox1);\n bbox2 = box(bbox2);\n return isPointInsideBBox(bbox2, bbox1.x, bbox1.y)\n || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y)\n || isPointInsideBBox(bbox2, bbox1.x, bbox1.y2)\n || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y2)\n || isPointInsideBBox(bbox1, bbox2.x, bbox2.y)\n || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y)\n || isPointInsideBBox(bbox1, bbox2.x, bbox2.y2)\n || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y2)\n || (bbox1.x < bbox2.x2 && bbox1.x > bbox2.x\n || bbox2.x < bbox1.x2 && bbox2.x > bbox1.x)\n && (bbox1.y < bbox2.y2 && bbox1.y > bbox2.y\n || bbox2.y < bbox1.y2 && bbox2.y > bbox1.y);\n }\n function base3(t, p1, p2, p3, p4) {\n var t1 = -3 * p1 + 9 * p2 - 9 * p3 + 3 * p4,\n t2 = t * t1 + 6 * p1 - 12 * p2 + 6 * p3;\n return t * t2 - 3 * p1 + 3 * p2;\n }\n function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {\n if (z == null) {\n z = 1;\n }\n z = z > 1 ? 1 : z < 0 ? 0 : z;\n var z2 = z / 2,\n n = 12,\n Tvalues = [-.1252,.1252,-.3678,.3678,-.5873,.5873,-.7699,.7699,-.9041,.9041,-.9816,.9816],\n Cvalues = [0.2491,0.2491,0.2335,0.2335,0.2032,0.2032,0.1601,0.1601,0.1069,0.1069,0.0472,0.0472],\n sum = 0;\n for (var i = 0; i < n; i++) {\n var ct = z2 * Tvalues[i] + z2,\n xbase = base3(ct, x1, x2, x3, x4),\n ybase = base3(ct, y1, y2, y3, y4),\n comb = xbase * xbase + ybase * ybase;\n sum += Cvalues[i] * math.sqrt(comb);\n }\n return z2 * sum;\n }\n function getTotLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) {\n if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) {\n return;\n }\n var t = 1,\n step = t / 2,\n t2 = t - step,\n l,\n e = .01;\n l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);\n while (abs(l - ll) > e) {\n step /= 2;\n t2 += (l < ll ? 1 : -1) * step;\n l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);\n }\n return t2;\n }\n function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {\n if (\n mmax(x1, x2) < mmin(x3, x4) ||\n mmin(x1, x2) > mmax(x3, x4) ||\n mmax(y1, y2) < mmin(y3, y4) ||\n mmin(y1, y2) > mmax(y3, y4)\n ) {\n return;\n }\n var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4),\n ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4),\n denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);\n\n if (!denominator) {\n return;\n }\n var px = nx / denominator,\n py = ny / denominator,\n px2 = +px.toFixed(2),\n py2 = +py.toFixed(2);\n if (\n px2 < +mmin(x1, x2).toFixed(2) ||\n px2 > +mmax(x1, x2).toFixed(2) ||\n px2 < +mmin(x3, x4).toFixed(2) ||\n px2 > +mmax(x3, x4).toFixed(2) ||\n py2 < +mmin(y1, y2).toFixed(2) ||\n py2 > +mmax(y1, y2).toFixed(2) ||\n py2 < +mmin(y3, y4).toFixed(2) ||\n py2 > +mmax(y3, y4).toFixed(2)\n ) {\n return;\n }\n return {x: px, y: py};\n }\n function inter(bez1, bez2) {\n return interHelper(bez1, bez2);\n }\n function interCount(bez1, bez2) {\n return interHelper(bez1, bez2, 1);\n }\n function interHelper(bez1, bez2, justCount) {\n var bbox1 = bezierBBox(bez1),\n bbox2 = bezierBBox(bez2);\n if (!isBBoxIntersect(bbox1, bbox2)) {\n return justCount ? 0 : [];\n }\n var l1 = bezlen.apply(0, bez1),\n l2 = bezlen.apply(0, bez2),\n n1 = ~~(l1 / 8),\n n2 = ~~(l2 / 8),\n dots1 = [],\n dots2 = [],\n xy = {},\n res = justCount ? 0 : [];\n for (var i = 0; i < n1 + 1; i++) {\n var p = findDotsAtSegment.apply(0, bez1.concat(i / n1));\n dots1.push({x: p.x, y: p.y, t: i / n1});\n }\n for (i = 0; i < n2 + 1; i++) {\n p = findDotsAtSegment.apply(0, bez2.concat(i / n2));\n dots2.push({x: p.x, y: p.y, t: i / n2});\n }\n for (i = 0; i < n1; i++) {\n for (var j = 0; j < n2; j++) {\n var di = dots1[i],\n di1 = dots1[i + 1],\n dj = dots2[j],\n dj1 = dots2[j + 1],\n ci = abs(di1.x - di.x) < .001 ? \"y\" : \"x\",\n cj = abs(dj1.x - dj.x) < .001 ? \"y\" : \"x\",\n is = intersect(di.x, di.y, di1.x, di1.y, dj.x, dj.y, dj1.x, dj1.y);\n if (is) {\n if (xy[is.x.toFixed(4)] == is.y.toFixed(4)) {\n continue;\n }\n xy[is.x.toFixed(4)] = is.y.toFixed(4);\n var t1 = di.t + abs((is[ci] - di[ci]) / (di1[ci] - di[ci])) * (di1.t - di.t),\n t2 = dj.t + abs((is[cj] - dj[cj]) / (dj1[cj] - dj[cj])) * (dj1.t - dj.t);\n if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) {\n if (justCount) {\n res++;\n } else {\n res.push({\n x: is.x,\n y: is.y,\n t1: t1,\n t2: t2\n });\n }\n }\n }\n }\n }\n return res;\n }\n function pathIntersection(path1, path2) {\n return interPathHelper(path1, path2);\n }\n function pathIntersectionNumber(path1, path2) {\n return interPathHelper(path1, path2, 1);\n }\n function interPathHelper(path1, path2, justCount) {\n path1 = path2curve(path1);\n path2 = path2curve(path2);\n var x1, y1, x2, y2, x1m, y1m, x2m, y2m, bez1, bez2,\n res = justCount ? 0 : [];\n for (var i = 0, ii = path1.length; i < ii; i++) {\n var pi = path1[i];\n if (pi[0] == \"M\") {\n x1 = x1m = pi[1];\n y1 = y1m = pi[2];\n } else {\n if (pi[0] == \"C\") {\n bez1 = [x1, y1].concat(pi.slice(1));\n x1 = bez1[6];\n y1 = bez1[7];\n } else {\n bez1 = [x1, y1, x1, y1, x1m, y1m, x1m, y1m];\n x1 = x1m;\n y1 = y1m;\n }\n for (var j = 0, jj = path2.length; j < jj; j++) {\n var pj = path2[j];\n if (pj[0] == \"M\") {\n x2 = x2m = pj[1];\n y2 = y2m = pj[2];\n } else {\n if (pj[0] == \"C\") {\n bez2 = [x2, y2].concat(pj.slice(1));\n x2 = bez2[6];\n y2 = bez2[7];\n } else {\n bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];\n x2 = x2m;\n y2 = y2m;\n }\n var intr = interHelper(bez1, bez2, justCount);\n if (justCount) {\n res += intr;\n } else {\n for (var k = 0, kk = intr.length; k < kk; k++) {\n intr[k].segment1 = i;\n intr[k].segment2 = j;\n intr[k].bez1 = bez1;\n intr[k].bez2 = bez2;\n }\n res = res.concat(intr);\n }\n }\n }\n }\n }\n return res;\n }\n function isPointInsidePath(path, x, y) {\n var bbox = pathBBox(path);\n return isPointInsideBBox(bbox, x, y) &&\n interPathHelper(path, [[\"M\", x, y], [\"H\", bbox.x2 + 10]], 1) % 2 == 1;\n }\n function pathBBox(path) {\n var pth = paths(path);\n if (pth.bbox) {\n return clone(pth.bbox);\n }\n if (!path) {\n return box();\n }\n path = path2curve(path);\n var x = 0, \n y = 0,\n X = [],\n Y = [],\n p;\n for (var i = 0, ii = path.length; i < ii; i++) {\n p = path[i];\n if (p[0] == \"M\") {\n x = p[1];\n y = p[2];\n X.push(x);\n Y.push(y);\n } else {\n var dim = curveDim(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);\n X = X.concat(dim.min.x, dim.max.x);\n Y = Y.concat(dim.min.y, dim.max.y);\n x = p[5];\n y = p[6];\n }\n }\n var xmin = mmin.apply(0, X),\n ymin = mmin.apply(0, Y),\n xmax = mmax.apply(0, X),\n ymax = mmax.apply(0, Y),\n bb = box(xmin, ymin, xmax - xmin, ymax - ymin);\n pth.bbox = clone(bb);\n return bb;\n }\n function rectPath(x, y, w, h, r) {\n if (r) {\n return [\n [\"M\", +x + (+r), y],\n [\"l\", w - r * 2, 0],\n [\"a\", r, r, 0, 0, 1, r, r],\n [\"l\", 0, h - r * 2],\n [\"a\", r, r, 0, 0, 1, -r, r],\n [\"l\", r * 2 - w, 0],\n [\"a\", r, r, 0, 0, 1, -r, -r],\n [\"l\", 0, r * 2 - h],\n [\"a\", r, r, 0, 0, 1, r, -r],\n [\"z\"]\n ];\n }\n var res = [[\"M\", x, y], [\"l\", w, 0], [\"l\", 0, h], [\"l\", -w, 0], [\"z\"]];\n res.toString = toString;\n return res;\n }\n function ellipsePath(x, y, rx, ry, a) {\n if (a == null && ry == null) {\n ry = rx;\n }\n x = +x;\n y = +y;\n rx = +rx;\n ry = +ry;\n if (a != null) {\n var rad = Math.PI / 180,\n x1 = x + rx * Math.cos(-ry * rad),\n x2 = x + rx * Math.cos(-a * rad),\n y1 = y + rx * Math.sin(-ry * rad),\n y2 = y + rx * Math.sin(-a * rad),\n res = [[\"M\", x1, y1], [\"A\", rx, rx, 0, +(a - ry > 180), 0, x2, y2]];\n } else {\n res = [\n [\"M\", x, y],\n [\"m\", 0, -ry],\n [\"a\", rx, ry, 0, 1, 1, 0, 2 * ry],\n [\"a\", rx, ry, 0, 1, 1, 0, -2 * ry],\n [\"z\"]\n ];\n }\n res.toString = toString;\n return res;\n }\n var unit2px = Snap._unit2px,\n getPath = {\n path: function (el) {\n return el.attr(\"path\");\n },\n circle: function (el) {\n var attr = unit2px(el);\n return ellipsePath(attr.cx, attr.cy, attr.r);\n },\n ellipse: function (el) {\n var attr = unit2px(el);\n return ellipsePath(attr.cx || 0, attr.cy || 0, attr.rx, attr.ry);\n },\n rect: function (el) {\n var attr = unit2px(el);\n return rectPath(attr.x || 0, attr.y || 0, attr.width, attr.height, attr.rx, attr.ry);\n },\n image: function (el) {\n var attr = unit2px(el);\n return rectPath(attr.x || 0, attr.y || 0, attr.width, attr.height);\n },\n line: function (el) {\n return \"M\" + [el.attr(\"x1\") || 0, el.attr(\"y1\") || 0, el.attr(\"x2\"), el.attr(\"y2\")];\n },\n polyline: function (el) {\n return \"M\" + el.attr(\"points\");\n },\n polygon: function (el) {\n return \"M\" + el.attr(\"points\") + \"z\";\n },\n deflt: function (el) {\n var bbox = el.node.getBBox();\n return rectPath(bbox.x, bbox.y, bbox.width, bbox.height);\n }\n };\n function pathToRelative(pathArray) {\n var pth = paths(pathArray),\n lowerCase = String.prototype.toLowerCase;\n if (pth.rel) {\n return pathClone(pth.rel);\n }\n if (!Snap.is(pathArray, \"array\") || !Snap.is(pathArray && pathArray[0], \"array\")) {\n pathArray = Snap.parsePathString(pathArray);\n }\n var res = [],\n x = 0,\n y = 0,\n mx = 0,\n my = 0,\n start = 0;\n if (pathArray[0][0] == \"M\") {\n x = pathArray[0][1];\n y = pathArray[0][2];\n mx = x;\n my = y;\n start++;\n res.push([\"M\", x, y]);\n }\n for (var i = start, ii = pathArray.length; i < ii; i++) {\n var r = res[i] = [],\n pa = pathArray[i];\n if (pa[0] != lowerCase.call(pa[0])) {\n r[0] = lowerCase.call(pa[0]);\n switch (r[0]) {\n case \"a\":\n r[1] = pa[1];\n r[2] = pa[2];\n r[3] = pa[3];\n r[4] = pa[4];\n r[5] = pa[5];\n r[6] = +(pa[6] - x).toFixed(3);\n r[7] = +(pa[7] - y).toFixed(3);\n break;\n case \"v\":\n r[1] = +(pa[1] - y).toFixed(3);\n break;\n case \"m\":\n mx = pa[1];\n my = pa[2];\n default:\n for (var j = 1, jj = pa.length; j < jj; j++) {\n r[j] = +(pa[j] - ((j % 2) ? x : y)).toFixed(3);\n }\n }\n } else {\n r = res[i] = [];\n if (pa[0] == \"m\") {\n mx = pa[1] + x;\n my = pa[2] + y;\n }\n for (var k = 0, kk = pa.length; k < kk; k++) {\n res[i][k] = pa[k];\n }\n }\n var len = res[i].length;\n switch (res[i][0]) {\n case \"z\":\n x = mx;\n y = my;\n break;\n case \"h\":\n x += +res[i][len - 1];\n break;\n case \"v\":\n y += +res[i][len - 1];\n break;\n default:\n x += +res[i][len - 2];\n y += +res[i][len - 1];\n }\n }\n res.toString = toString;\n pth.rel = pathClone(res);\n return res;\n }\n function pathToAbsolute(pathArray) {\n var pth = paths(pathArray);\n if (pth.abs) {\n return pathClone(pth.abs);\n }\n if (!is(pathArray, \"array\") || !is(pathArray && pathArray[0], \"array\")) { // rough assumption\n pathArray = Snap.parsePathString(pathArray);\n }\n if (!pathArray || !pathArray.length) {\n return [[\"M\", 0, 0]];\n }\n var res = [],\n x = 0,\n y = 0,\n mx = 0,\n my = 0,\n start = 0,\n pa0;\n if (pathArray[0][0] == \"M\") {\n x = +pathArray[0][1];\n y = +pathArray[0][2];\n mx = x;\n my = y;\n start++;\n res[0] = [\"M\", x, y];\n }\n var crz = pathArray.length == 3 &&\n pathArray[0][0] == \"M\" &&\n pathArray[1][0].toUpperCase() == \"R\" &&\n pathArray[2][0].toUpperCase() == \"Z\";\n for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) {\n res.push(r = []);\n pa = pathArray[i];\n pa0 = pa[0];\n if (pa0 != pa0.toUpperCase()) {\n r[0] = pa0.toUpperCase();\n switch (r[0]) {\n case \"A\":\n r[1] = pa[1];\n r[2] = pa[2];\n r[3] = pa[3];\n r[4] = pa[4];\n r[5] = pa[5];\n r[6] = +pa[6] + x;\n r[7] = +pa[7] + y;\n break;\n case \"V\":\n r[1] = +pa[1] + y;\n break;\n case \"H\":\n r[1] = +pa[1] + x;\n break;\n case \"R\":\n var dots = [x, y].concat(pa.slice(1));\n for (var j = 2, jj = dots.length; j < jj; j++) {\n dots[j] = +dots[j] + x;\n dots[++j] = +dots[j] + y;\n }\n res.pop();\n res = res.concat(catmullRom2bezier(dots, crz));\n break;\n case \"O\":\n res.pop();\n dots = ellipsePath(x, y, pa[1], pa[2]);\n dots.push(dots[0]);\n res = res.concat(dots);\n break;\n case \"U\":\n res.pop();\n res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3]));\n r = [\"U\"].concat(res[res.length - 1].slice(-2));\n break;\n case \"M\":\n mx = +pa[1] + x;\n my = +pa[2] + y;\n default:\n for (j = 1, jj = pa.length; j < jj; j++) {\n r[j] = +pa[j] + ((j % 2) ? x : y);\n }\n }\n } else if (pa0 == \"R\") {\n dots = [x, y].concat(pa.slice(1));\n res.pop();\n res = res.concat(catmullRom2bezier(dots, crz));\n r = [\"R\"].concat(pa.slice(-2));\n } else if (pa0 == \"O\") {\n res.pop();\n dots = ellipsePath(x, y, pa[1], pa[2]);\n dots.push(dots[0]);\n res = res.concat(dots);\n } else if (pa0 == \"U\") {\n res.pop();\n res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3]));\n r = [\"U\"].concat(res[res.length - 1].slice(-2));\n } else {\n for (var k = 0, kk = pa.length; k < kk; k++) {\n r[k] = pa[k];\n }\n }\n pa0 = pa0.toUpperCase();\n if (pa0 != \"O\") {\n switch (r[0]) {\n case \"Z\":\n x = +mx;\n y = +my;\n break;\n case \"H\":\n x = r[1];\n break;\n case \"V\":\n y = r[1];\n break;\n case \"M\":\n mx = r[r.length - 2];\n my = r[r.length - 1];\n default:\n x = r[r.length - 2];\n y = r[r.length - 1];\n }\n }\n }\n res.toString = toString;\n pth.abs = pathClone(res);\n return res;\n }\n function l2c(x1, y1, x2, y2) {\n return [x1, y1, x2, y2, x2, y2];\n }\n function q2c(x1, y1, ax, ay, x2, y2) {\n var _13 = 1 / 3,\n _23 = 2 / 3;\n return [\n _13 * x1 + _23 * ax,\n _13 * y1 + _23 * ay,\n _13 * x2 + _23 * ax,\n _13 * y2 + _23 * ay,\n x2,\n y2\n ];\n }\n function a2c(x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {\n // for more information of where this math came from visit:\n // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes\n var _120 = PI * 120 / 180,\n rad = PI / 180 * (+angle || 0),\n res = [],\n xy,\n rotate = Snap._.cacher(function (x, y, rad) {\n var X = x * math.cos(rad) - y * math.sin(rad),\n Y = x * math.sin(rad) + y * math.cos(rad);\n return {x: X, y: Y};\n });\n if (!recursive) {\n xy = rotate(x1, y1, -rad);\n x1 = xy.x;\n y1 = xy.y;\n xy = rotate(x2, y2, -rad);\n x2 = xy.x;\n y2 = xy.y;\n var cos = math.cos(PI / 180 * angle),\n sin = math.sin(PI / 180 * angle),\n x = (x1 - x2) / 2,\n y = (y1 - y2) / 2;\n var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);\n if (h > 1) {\n h = math.sqrt(h);\n rx = h * rx;\n ry = h * ry;\n }\n var rx2 = rx * rx,\n ry2 = ry * ry,\n k = (large_arc_flag == sweep_flag ? -1 : 1) *\n math.sqrt(abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x))),\n cx = k * rx * y / ry + (x1 + x2) / 2,\n cy = k * -ry * x / rx + (y1 + y2) / 2,\n f1 = math.asin(((y1 - cy) / ry).toFixed(9)),\n f2 = math.asin(((y2 - cy) / ry).toFixed(9));\n\n f1 = x1 < cx ? PI - f1 : f1;\n f2 = x2 < cx ? PI - f2 : f2;\n f1 < 0 && (f1 = PI * 2 + f1);\n f2 < 0 && (f2 = PI * 2 + f2);\n if (sweep_flag && f1 > f2) {\n f1 = f1 - PI * 2;\n }\n if (!sweep_flag && f2 > f1) {\n f2 = f2 - PI * 2;\n }\n } else {\n f1 = recursive[0];\n f2 = recursive[1];\n cx = recursive[2];\n cy = recursive[3];\n }\n var df = f2 - f1;\n if (abs(df) > _120) {\n var f2old = f2,\n x2old = x2,\n y2old = y2;\n f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);\n x2 = cx + rx * math.cos(f2);\n y2 = cy + ry * math.sin(f2);\n res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);\n }\n df = f2 - f1;\n var c1 = math.cos(f1),\n s1 = math.sin(f1),\n c2 = math.cos(f2),\n s2 = math.sin(f2),\n t = math.tan(df / 4),\n hx = 4 / 3 * rx * t,\n hy = 4 / 3 * ry * t,\n m1 = [x1, y1],\n m2 = [x1 + hx * s1, y1 - hy * c1],\n m3 = [x2 + hx * s2, y2 - hy * c2],\n m4 = [x2, y2];\n m2[0] = 2 * m1[0] - m2[0];\n m2[1] = 2 * m1[1] - m2[1];\n if (recursive) {\n return [m2, m3, m4].concat(res);\n } else {\n res = [m2, m3, m4].concat(res).join().split(\",\");\n var newres = [];\n for (var i = 0, ii = res.length; i < ii; i++) {\n newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;\n }\n return newres;\n }\n }\n function findDotAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {\n var t1 = 1 - t;\n return {\n x: pow(t1, 3) * p1x + pow(t1, 2) * 3 * t * c1x + t1 * 3 * t * t * c2x + pow(t, 3) * p2x,\n y: pow(t1, 3) * p1y + pow(t1, 2) * 3 * t * c1y + t1 * 3 * t * t * c2y + pow(t, 3) * p2y\n };\n }\n \n // Returns bounding box of cubic bezier curve.\n // Source: http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html\n // Original version: NISHIO Hirokazu\n // Modifications: https://github.com/timo22345\n function curveDim(x0, y0, x1, y1, x2, y2, x3, y3) {\n var tvalues = [],\n bounds = [[], []],\n a, b, c, t, t1, t2, b2ac, sqrtb2ac;\n for (var i = 0; i < 2; ++i) {\n if (i == 0) {\n b = 6 * x0 - 12 * x1 + 6 * x2;\n a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;\n c = 3 * x1 - 3 * x0;\n } else {\n b = 6 * y0 - 12 * y1 + 6 * y2;\n a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;\n c = 3 * y1 - 3 * y0;\n }\n if (abs(a) < 1e-12) {\n if (abs(b) < 1e-12) {\n continue;\n }\n t = -c / b;\n if (0 < t && t < 1) {\n tvalues.push(t);\n }\n continue;\n }\n b2ac = b * b - 4 * c * a;\n sqrtb2ac = math.sqrt(b2ac);\n if (b2ac < 0) {\n continue;\n }\n t1 = (-b + sqrtb2ac) / (2 * a);\n if (0 < t1 && t1 < 1) {\n tvalues.push(t1);\n }\n t2 = (-b - sqrtb2ac) / (2 * a);\n if (0 < t2 && t2 < 1) {\n tvalues.push(t2);\n }\n }\n\n var x, y, j = tvalues.length,\n jlen = j,\n mt;\n while (j--) {\n t = tvalues[j];\n mt = 1 - t;\n bounds[0][j] = (mt * mt * mt * x0) + (3 * mt * mt * t * x1) + (3 * mt * t * t * x2) + (t * t * t * x3);\n bounds[1][j] = (mt * mt * mt * y0) + (3 * mt * mt * t * y1) + (3 * mt * t * t * y2) + (t * t * t * y3);\n }\n\n bounds[0][jlen] = x0;\n bounds[1][jlen] = y0;\n bounds[0][jlen + 1] = x3;\n bounds[1][jlen + 1] = y3;\n bounds[0].length = bounds[1].length = jlen + 2;\n\n\n return {\n min: {x: mmin.apply(0, bounds[0]), y: mmin.apply(0, bounds[1])},\n max: {x: mmax.apply(0, bounds[0]), y: mmax.apply(0, bounds[1])}\n };\n }\n\n function path2curve(path, path2) {\n var pth = !path2 && paths(path);\n if (!path2 && pth.curve) {\n return pathClone(pth.curve);\n }\n var p = pathToAbsolute(path),\n p2 = path2 && pathToAbsolute(path2),\n attrs = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},\n attrs2 = {x: 0, y: 0, bx: 0, by: 0, X: 0, Y: 0, qx: null, qy: null},\n processPath = function (path, d, pcom) {\n var nx, ny;\n if (!path) {\n return [\"C\", d.x, d.y, d.x, d.y, d.x, d.y];\n }\n !(path[0] in {T: 1, Q: 1}) && (d.qx = d.qy = null);\n switch (path[0]) {\n case \"M\":\n d.X = path[1];\n d.Y = path[2];\n break;\n case \"A\":\n path = [\"C\"].concat(a2c.apply(0, [d.x, d.y].concat(path.slice(1))));\n break;\n case \"S\":\n if (pcom == \"C\" || pcom == \"S\") { // In \"S\" case we have to take into account, if the previous command is C/S.\n nx = d.x * 2 - d.bx; // And reflect the previous\n ny = d.y * 2 - d.by; // command's control point relative to the current point.\n }\n else { // or some else or nothing\n nx = d.x;\n ny = d.y;\n }\n path = [\"C\", nx, ny].concat(path.slice(1));\n break;\n case \"T\":\n if (pcom == \"Q\" || pcom == \"T\") { // In \"T\" case we have to take into account, if the previous command is Q/T.\n d.qx = d.x * 2 - d.qx; // And make a reflection similar\n d.qy = d.y * 2 - d.qy; // to case \"S\".\n }\n else { // or something else or nothing\n d.qx = d.x;\n d.qy = d.y;\n }\n path = [\"C\"].concat(q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));\n break;\n case \"Q\":\n d.qx = path[1];\n d.qy = path[2];\n path = [\"C\"].concat(q2c(d.x, d.y, path[1], path[2], path[3], path[4]));\n break;\n case \"L\":\n path = [\"C\"].concat(l2c(d.x, d.y, path[1], path[2]));\n break;\n case \"H\":\n path = [\"C\"].concat(l2c(d.x, d.y, path[1], d.y));\n break;\n case \"V\":\n path = [\"C\"].concat(l2c(d.x, d.y, d.x, path[1]));\n break;\n case \"Z\":\n path = [\"C\"].concat(l2c(d.x, d.y, d.X, d.Y));\n break;\n }\n return path;\n },\n fixArc = function (pp, i) {\n if (pp[i].length > 7) {\n pp[i].shift();\n var pi = pp[i];\n while (pi.length) {\n pcoms1[i] = \"A\"; // if created multiple C:s, their original seg is saved\n p2 && (pcoms2[i] = \"A\"); // the same as above\n pp.splice(i++, 0, [\"C\"].concat(pi.splice(0, 6)));\n }\n pp.splice(i, 1);\n ii = mmax(p.length, p2 && p2.length || 0);\n }\n },\n fixM = function (path1, path2, a1, a2, i) {\n if (path1 && path2 && path1[i][0] == \"M\" && path2[i][0] != \"M\") {\n path2.splice(i, 0, [\"M\", a2.x, a2.y]);\n a1.bx = 0;\n a1.by = 0;\n a1.x = path1[i][1];\n a1.y = path1[i][2];\n ii = mmax(p.length, p2 && p2.length || 0);\n }\n },\n pcoms1 = [], // path commands of original path p\n pcoms2 = [], // path commands of original path p2\n pfirst = \"\", // temporary holder for original path command\n pcom = \"\"; // holder for previous path command of original path\n for (var i = 0, ii = mmax(p.length, p2 && p2.length || 0); i < ii; i++) {\n p[i] && (pfirst = p[i][0]); // save current path command\n\n if (pfirst != \"C\") // C is not saved yet, because it may be result of conversion\n {\n pcoms1[i] = pfirst; // Save current path command\n i && ( pcom = pcoms1[i - 1]); // Get previous path command pcom\n }\n p[i] = processPath(p[i], attrs, pcom); // Previous path command is inputted to processPath\n\n if (pcoms1[i] != \"A\" && pfirst == \"C\") pcoms1[i] = \"C\"; // A is the only command\n // which may produce multiple C:s\n // so we have to make sure that C is also C in original path\n\n fixArc(p, i); // fixArc adds also the right amount of A:s to pcoms1\n\n if (p2) { // the same procedures is done to p2\n p2[i] && (pfirst = p2[i][0]);\n if (pfirst != \"C\") {\n pcoms2[i] = pfirst;\n i && (pcom = pcoms2[i - 1]);\n }\n p2[i] = processPath(p2[i], attrs2, pcom);\n\n if (pcoms2[i] != \"A\" && pfirst == \"C\") {\n pcoms2[i] = \"C\";\n }\n\n fixArc(p2, i);\n }\n fixM(p, p2, attrs, attrs2, i);\n fixM(p2, p, attrs2, attrs, i);\n var seg = p[i],\n seg2 = p2 && p2[i],\n seglen = seg.length,\n seg2len = p2 && seg2.length;\n attrs.x = seg[seglen - 2];\n attrs.y = seg[seglen - 1];\n attrs.bx = toFloat(seg[seglen - 4]) || attrs.x;\n attrs.by = toFloat(seg[seglen - 3]) || attrs.y;\n attrs2.bx = p2 && (toFloat(seg2[seg2len - 4]) || attrs2.x);\n attrs2.by = p2 && (toFloat(seg2[seg2len - 3]) || attrs2.y);\n attrs2.x = p2 && seg2[seg2len - 2];\n attrs2.y = p2 && seg2[seg2len - 1];\n }\n if (!p2) {\n pth.curve = pathClone(p);\n }\n return p2 ? [p, p2] : p;\n }\n function mapPath(path, matrix) {\n if (!matrix) {\n return path;\n }\n var x, y, i, j, ii, jj, pathi;\n path = path2curve(path);\n for (i = 0, ii = path.length; i < ii; i++) {\n pathi = path[i];\n for (j = 1, jj = pathi.length; j < jj; j += 2) {\n x = matrix.x(pathi[j], pathi[j + 1]);\n y = matrix.y(pathi[j], pathi[j + 1]);\n pathi[j] = x;\n pathi[j + 1] = y;\n }\n }\n return path;\n }\n\n // http://schepers.cc/getting-to-the-point\n function catmullRom2bezier(crp, z) {\n var d = [];\n for (var i = 0, iLen = crp.length; iLen - 2 * !z > i; i += 2) {\n var p = [\n {x: +crp[i - 2], y: +crp[i - 1]},\n {x: +crp[i], y: +crp[i + 1]},\n {x: +crp[i + 2], y: +crp[i + 3]},\n {x: +crp[i + 4], y: +crp[i + 5]}\n ];\n if (z) {\n if (!i) {\n p[0] = {x: +crp[iLen - 2], y: +crp[iLen - 1]};\n } else if (iLen - 4 == i) {\n p[3] = {x: +crp[0], y: +crp[1]};\n } else if (iLen - 2 == i) {\n p[2] = {x: +crp[0], y: +crp[1]};\n p[3] = {x: +crp[2], y: +crp[3]};\n }\n } else {\n if (iLen - 4 == i) {\n p[3] = p[2];\n } else if (!i) {\n p[0] = {x: +crp[i], y: +crp[i + 1]};\n }\n }\n d.push([\"C\",\n (-p[0].x + 6 * p[1].x + p[2].x) / 6,\n (-p[0].y + 6 * p[1].y + p[2].y) / 6,\n (p[1].x + 6 * p[2].x - p[3].x) / 6,\n (p[1].y + 6*p[2].y - p[3].y) / 6,\n p[2].x,\n p[2].y\n ]);\n }\n\n return d;\n }\n\n // export\n Snap.path = paths;\n\n /*/\n * Snap.path.getTotalLength\n [ method ]\n **\n * Returns the length of the given path in pixels\n **\n - path (string) SVG path string\n **\n = (number) length\n /*/\n Snap.path.getTotalLength = getTotalLength;\n /*/\n * Snap.path.getPointAtLength\n [ method ]\n **\n * Returns the coordinates of the point located at the given length along the given path\n **\n - path (string) SVG path string\n - length (number) length, in pixels, from the start of the path, excluding non-rendering jumps\n **\n = (object) representation of the point:\n o {\n o x: (number) x coordinate,\n o y: (number) y coordinate,\n o alpha: (number) angle of derivative\n o }\n /*/\n Snap.path.getPointAtLength = getPointAtLength;\n /*/\n * Snap.path.getSubpath\n [ method ]\n **\n * Returns the subpath of a given path between given start and end lengths\n **\n - path (string) SVG path string\n - from (number) length, in pixels, from the start of the path to the start of the segment\n - to (number) length, in pixels, from the start of the path to the end of the segment\n **\n = (string) path string definition for the segment\n /*/\n Snap.path.getSubpath = function (path, from, to) {\n if (this.getTotalLength(path) - to < 1e-6) {\n return getSubpathsAtLength(path, from).end;\n }\n var a = getSubpathsAtLength(path, to, 1);\n return from ? getSubpathsAtLength(a, from).end : a;\n };\n /*/\n * Element.getTotalLength\n [ method ]\n **\n * Returns the length of the path in pixels (only works for `path` elements)\n = (number) length\n /*/\n elproto.getTotalLength = function () {\n if (this.node.getTotalLength) {\n return this.node.getTotalLength();\n }\n };\n // SIERRA Element.getPointAtLength()/Element.getTotalLength(): If a <path> is broken into different segments, is the jump distance to the new coordinates set by the _M_ or _m_ commands calculated as part of the path's total length?\n /*/\n * Element.getPointAtLength\n [ method ]\n **\n * Returns coordinates of the point located at the given length on the given path (only works for `path` elements)\n **\n - length (number) length, in pixels, from the start of the path, excluding non-rendering jumps\n **\n = (object) representation of the point:\n o {\n o x: (number) x coordinate,\n o y: (number) y coordinate,\n o alpha: (number) angle of derivative\n o }\n /*/\n elproto.getPointAtLength = function (length) {\n return getPointAtLength(this.attr(\"d\"), length);\n };\n // SIERRA Element.getSubpath(): Similar to the problem for Element.getPointAtLength(). Unclear how this would work for a segmented path. Overall, the concept of _subpath_ and what I'm calling a _segment_ (series of non-_M_ or _Z_ commands) is unclear.\n /*/\n * Element.getSubpath\n [ method ]\n **\n * Returns subpath of a given element from given start and end lengths (only works for `path` elements)\n **\n - from (number) length, in pixels, from the start of the path to the start of the segment\n - to (number) length, in pixels, from the start of the path to the end of the segment\n **\n = (string) path string definition for the segment\n /*/\n elproto.getSubpath = function (from, to) {\n return Snap.path.getSubpath(this.attr(\"d\"), from, to);\n };\n Snap._.box = box;\n /*/\n * Snap.path.findDotsAtSegment\n [ method ]\n **\n * Utility method\n **\n * Finds dot coordinates on the given cubic beziér curve at the given t\n - p1x (number) x of the first point of the curve\n - p1y (number) y of the first point of the curve\n - c1x (number) x of the first anchor of the curve\n - c1y (number) y of the first anchor of the curve\n - c2x (number) x of the second anchor of the curve\n - c2y (number) y of the second anchor of the curve\n - p2x (number) x of the second point of the curve\n - p2y (number) y of the second point of the curve\n - t (number) position on the curve (0..1)\n = (object) point information in format:\n o {\n o x: (number) x coordinate of the point,\n o y: (number) y coordinate of the point,\n o m: {\n o x: (number) x coordinate of the left anchor,\n o y: (number) y coordinate of the left anchor\n o },\n o n: {\n o x: (number) x coordinate of the right anchor,\n o y: (number) y coordinate of the right anchor\n o },\n o start: {\n o x: (number) x coordinate of the start of the curve,\n o y: (number) y coordinate of the start of the curve\n o },\n o end: {\n o x: (number) x coordinate of the end of the curve,\n o y: (number) y coordinate of the end of the curve\n o },\n o alpha: (number) angle of the curve derivative at the point\n o }\n /*/\n Snap.path.findDotsAtSegment = findDotsAtSegment;\n /*/\n * Snap.path.bezierBBox\n [ method ]\n **\n * Utility method\n **\n * Returns the bounding box of a given cubic beziér curve\n - p1x (number) x of the first point of the curve\n - p1y (number) y of the first point of the curve\n - c1x (number) x of the first anchor of the curve\n - c1y (number) y of the first anchor of the curve\n - c2x (number) x of the second anchor of the curve\n - c2y (number) y of the second anchor of the curve\n - p2x (number) x of the second point of the curve\n - p2y (number) y of the second point of the curve\n * or\n - bez (array) array of six points for beziér curve\n = (object) bounding box\n o {\n o x: (number) x coordinate of the left top point of the box,\n o y: (number) y coordinate of the left top point of the box,\n o x2: (number) x coordinate of the right bottom point of the box,\n o y2: (number) y coordinate of the right bottom point of the box,\n o width: (number) width of the box,\n o height: (number) height of the box\n o }\n /*/\n Snap.path.bezierBBox = bezierBBox;\n /*/\n * Snap.path.isPointInsideBBox\n [ method ]\n **\n * Utility method\n **\n * Returns `true` if given point is inside bounding box\n - bbox (string) bounding box\n - x (string) x coordinate of the point\n - y (string) y coordinate of the point\n = (boolean) `true` if point is inside\n /*/\n Snap.path.isPointInsideBBox = isPointInsideBBox;\n /*/\n * Snap.path.isBBoxIntersect\n [ method ]\n **\n * Utility method\n **\n * Returns `true` if two bounding boxes intersect\n - bbox1 (string) first bounding box\n - bbox2 (string) second bounding box\n = (boolean) `true` if bounding boxes intersect\n /*/\n Snap.path.isBBoxIntersect = isBBoxIntersect;\n /*/\n * Snap.path.intersection\n [ method ]\n **\n * Utility method\n **\n * Finds intersections of two paths\n - path1 (string) path string\n - path2 (string) path string\n = (array) dots of intersection\n o [\n o {\n o x: (number) x coordinate of the point,\n o y: (number) y coordinate of the point,\n o t1: (number) t value for segment of path1,\n o t2: (number) t value for segment of path2,\n o segment1: (number) order number for segment of path1,\n o segment2: (number) order number for segment of path2,\n o bez1: (array) eight coordinates representing beziér curve for the segment of path1,\n o bez2: (array) eight coordinates representing beziér curve for the segment of path2\n o }\n o ]\n /*/\n Snap.path.intersection = pathIntersection;\n Snap.path.intersectionNumber = pathIntersectionNumber;\n /*/\n * Snap.path.isPointInside\n [ method ]\n **\n * Utility method\n **\n * Returns `true` if given point is inside a given closed path.\n *\n * Note: fill mode doesn’t affect the result of this method.\n - path (string) path string\n - x (number) x of the point\n - y (number) y of the point\n = (boolean) `true` if point is inside the path\n /*/\n Snap.path.isPointInside = isPointInsidePath;\n /*/\n * Snap.path.getBBox\n [ method ]\n **\n * Utility method\n **\n * Returns the bounding box of a given path\n - path (string) path string\n = (object) bounding box\n o {\n o x: (number) x coordinate of the left top point of the box,\n o y: (number) y coordinate of the left top point of the box,\n o x2: (number) x coordinate of the right bottom point of the box,\n o y2: (number) y coordinate of the right bottom point of the box,\n o width: (number) width of the box,\n o height: (number) height of the box\n o }\n /*/\n Snap.path.getBBox = pathBBox;\n Snap.path.get = getPath;\n /*/\n * Snap.path.toRelative\n [ method ]\n **\n * Utility method\n **\n * Converts path coordinates into relative values\n - path (string) path string\n = (array) path string\n /*/\n Snap.path.toRelative = pathToRelative;\n /*/\n * Snap.path.toAbsolute\n [ method ]\n **\n * Utility method\n **\n * Converts path coordinates into absolute values\n - path (string) path string\n = (array) path string\n /*/\n Snap.path.toAbsolute = pathToAbsolute;\n /*/\n * Snap.path.toCubic\n [ method ]\n **\n * Utility method\n **\n * Converts path to a new path where all segments are cubic beziér curves\n - pathString (string|array) path string or array of segments\n = (array) array of segments\n /*/\n Snap.path.toCubic = path2curve;\n /*/\n * Snap.path.map\n [ method ]\n **\n * Transform the path string with the given matrix\n - path (string) path string\n - matrix (object) see @Matrix\n = (string) transformed path string\n /*/\n Snap.path.map = mapPath;\n Snap.path.toString = toString;\n Snap.path.clone = pathClone;\n});\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob) {\n var elproto = Element.prototype,\n has = \"hasOwnProperty\",\n supportsTouch = \"createTouch\" in glob.doc,\n events = [\n \"click\", \"dblclick\", \"mousedown\", \"mousemove\", \"mouseout\",\n \"mouseover\", \"mouseup\", \"touchstart\", \"touchmove\", \"touchend\",\n \"touchcancel\"\n ],\n touchMap = {\n mousedown: \"touchstart\",\n mousemove: \"touchmove\",\n mouseup: \"touchend\"\n },\n getScroll = function (xy, el) {\n var name = xy == \"y\" ? \"scrollTop\" : \"scrollLeft\",\n doc = el && el.node ? el.node.ownerDocument : glob.doc;\n return doc[name in doc.documentElement ? \"documentElement\" : \"body\"][name];\n },\n preventDefault = function () {\n this.returnValue = false;\n },\n preventTouch = function () {\n return this.originalEvent.preventDefault();\n },\n stopPropagation = function () {\n this.cancelBubble = true;\n },\n stopTouch = function () {\n return this.originalEvent.stopPropagation();\n },\n addEvent = (function () {\n if (glob.doc.addEventListener) {\n return function (obj, type, fn, element) {\n var realName = supportsTouch && touchMap[type] ? touchMap[type] : type,\n f = function (e) {\n var scrollY = getScroll(\"y\", element),\n scrollX = getScroll(\"x\", element);\n if (supportsTouch && touchMap[has](type)) {\n for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {\n if (e.targetTouches[i].target == obj || obj.contains(e.targetTouches[i].target)) {\n var olde = e;\n e = e.targetTouches[i];\n e.originalEvent = olde;\n e.preventDefault = preventTouch;\n e.stopPropagation = stopTouch;\n break;\n }\n }\n }\n var x = e.clientX + scrollX,\n y = e.clientY + scrollY;\n return fn.call(element, e, x, y);\n };\n\n if (type !== realName) {\n obj.addEventListener(type, f, false);\n }\n\n obj.addEventListener(realName, f, false);\n\n return function () {\n if (type !== realName) {\n obj.removeEventListener(type, f, false);\n }\n\n obj.removeEventListener(realName, f, false);\n return true;\n };\n };\n } else if (glob.doc.attachEvent) {\n return function (obj, type, fn, element) {\n var f = function (e) {\n e = e || element.node.ownerDocument.window.event;\n var scrollY = getScroll(\"y\", element),\n scrollX = getScroll(\"x\", element),\n x = e.clientX + scrollX,\n y = e.clientY + scrollY;\n e.preventDefault = e.preventDefault || preventDefault;\n e.stopPropagation = e.stopPropagation || stopPropagation;\n return fn.call(element, e, x, y);\n };\n obj.attachEvent(\"on\" + type, f);\n var detacher = function () {\n obj.detachEvent(\"on\" + type, f);\n return true;\n };\n return detacher;\n };\n }\n })(),\n drag = [],\n dragMove = function (e) {\n var x = e.clientX,\n y = e.clientY,\n scrollY = getScroll(\"y\"),\n scrollX = getScroll(\"x\"),\n dragi,\n j = drag.length;\n while (j--) {\n dragi = drag[j];\n if (supportsTouch) {\n var i = e.touches && e.touches.length,\n touch;\n while (i--) {\n touch = e.touches[i];\n if (touch.identifier == dragi.el._drag.id || dragi.el.node.contains(touch.target)) {\n x = touch.clientX;\n y = touch.clientY;\n (e.originalEvent ? e.originalEvent : e).preventDefault();\n break;\n }\n }\n } else {\n e.preventDefault();\n }\n var node = dragi.el.node,\n o,\n next = node.nextSibling,\n parent = node.parentNode,\n display = node.style.display;\n // glob.win.opera && parent.removeChild(node);\n // node.style.display = \"none\";\n // o = dragi.el.paper.getElementByPoint(x, y);\n // node.style.display = display;\n // glob.win.opera && (next ? parent.insertBefore(node, next) : parent.appendChild(node));\n // o && eve(\"snap.drag.over.\" + dragi.el.id, dragi.el, o);\n x += scrollX;\n y += scrollY;\n eve(\"snap.drag.move.\" + dragi.el.id, dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e);\n }\n },\n dragUp = function (e) {\n Snap.unmousemove(dragMove).unmouseup(dragUp);\n var i = drag.length,\n dragi;\n while (i--) {\n dragi = drag[i];\n dragi.el._drag = {};\n eve(\"snap.drag.end.\" + dragi.el.id, dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e);\n }\n drag = [];\n };\n /*/\n * Element.click\n [ method ]\n **\n * Adds a click event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.unclick\n [ method ]\n **\n * Removes a click event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.dblclick\n [ method ]\n **\n * Adds a double click event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.undblclick\n [ method ]\n **\n * Removes a double click event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.mousedown\n [ method ]\n **\n * Adds a mousedown event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.unmousedown\n [ method ]\n **\n * Removes a mousedown event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.mousemove\n [ method ]\n **\n * Adds a mousemove event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.unmousemove\n [ method ]\n **\n * Removes a mousemove event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.mouseout\n [ method ]\n **\n * Adds a mouseout event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.unmouseout\n [ method ]\n **\n * Removes a mouseout event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.mouseover\n [ method ]\n **\n * Adds a mouseover event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.unmouseover\n [ method ]\n **\n * Removes a mouseover event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.mouseup\n [ method ]\n **\n * Adds a mouseup event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.unmouseup\n [ method ]\n **\n * Removes a mouseup event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.touchstart\n [ method ]\n **\n * Adds a touchstart event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.untouchstart\n [ method ]\n **\n * Removes a touchstart event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.touchmove\n [ method ]\n **\n * Adds a touchmove event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.untouchmove\n [ method ]\n **\n * Removes a touchmove event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.touchend\n [ method ]\n **\n * Adds a touchend event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.untouchend\n [ method ]\n **\n * Removes a touchend event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n \n /*/\n * Element.touchcancel\n [ method ]\n **\n * Adds a touchcancel event handler to the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n /*/\n * Element.untouchcancel\n [ method ]\n **\n * Removes a touchcancel event handler from the element\n - handler (function) handler for the event\n = (object) @Element\n /*/\n for (var i = events.length; i--;) {\n (function (eventName) {\n Snap[eventName] = elproto[eventName] = function (fn, scope) {\n if (Snap.is(fn, \"function\")) {\n this.events = this.events || [];\n this.events.push({\n name: eventName,\n f: fn,\n unbind: addEvent(this.node || document, eventName, fn, scope || this)\n });\n }\n return this;\n };\n Snap[\"un\" + eventName] =\n elproto[\"un\" + eventName] = function (fn) {\n var events = this.events || [],\n l = events.length;\n while (l--) if (events[l].name == eventName &&\n (events[l].f == fn || !fn)) {\n events[l].unbind();\n events.splice(l, 1);\n !events.length && delete this.events;\n return this;\n }\n return this;\n };\n })(events[i]);\n }\n /*/\n * Element.hover\n [ method ]\n **\n * Adds hover event handlers to the element\n - f_in (function) handler for hover in\n - f_out (function) handler for hover out\n - icontext (object) #optional context for hover in handler\n - ocontext (object) #optional context for hover out handler\n = (object) @Element\n /*/\n elproto.hover = function (f_in, f_out, scope_in, scope_out) {\n return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in);\n };\n /*/\n * Element.unhover\n [ method ]\n **\n * Removes hover event handlers from the element\n - f_in (function) handler for hover in\n - f_out (function) handler for hover out\n = (object) @Element\n /*/\n elproto.unhover = function (f_in, f_out) {\n return this.unmouseover(f_in).unmouseout(f_out);\n };\n var draggable = [];\n // SIERRA unclear what _context_ refers to for starting, ending, moving the drag gesture.\n // SIERRA Element.drag(): _x position of the mouse_: Where are the x/y values offset from?\n // SIERRA Element.drag(): much of this member's doc appears to be duplicated for some reason.\n // SIERRA Unclear about this sentence: _Additionally following drag events will be triggered: drag.start.<id> on start, drag.end.<id> on end and drag.move.<id> on every move._ Is there a global _drag_ object to which you can assign handlers keyed by an element's ID?\n /*/\n * Element.drag\n [ method ]\n **\n * Adds event handlers for an element's drag gesture\n **\n - onmove (function) handler for moving\n - onstart (function) handler for drag start\n - onend (function) handler for drag end\n - mcontext (object) #optional context for moving handler\n - scontext (object) #optional context for drag start handler\n - econtext (object) #optional context for drag end handler\n * Additionaly following `drag` events are triggered: `drag.start.<id>` on start, \n * `drag.end.<id>` on end and `drag.move.<id>` on every move. When element is dragged over another element \n * `drag.over.<id>` fires as well.\n *\n * Start event and start handler are called in specified context or in context of the element with following parameters:\n o x (number) x position of the mouse\n o y (number) y position of the mouse\n o event (object) DOM event object\n * Move event and move handler are called in specified context or in context of the element with following parameters:\n o dx (number) shift by x from the start point\n o dy (number) shift by y from the start point\n o x (number) x position of the mouse\n o y (number) y position of the mouse\n o event (object) DOM event object\n * End event and end handler are called in specified context or in context of the element with following parameters:\n o event (object) DOM event object\n = (object) @Element\n /*/\n elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) {\n if (!arguments.length) {\n var origTransform;\n return this.drag(function (dx, dy) {\n this.attr({\n transform: origTransform + (origTransform ? \"T\" : \"t\") + [dx, dy]\n });\n }, function () {\n origTransform = this.transform().local;\n });\n }\n function start(e, x, y) {\n (e.originalEvent || e).preventDefault();\n this._drag.x = x;\n this._drag.y = y;\n this._drag.id = e.identifier;\n !drag.length && Snap.mousemove(dragMove).mouseup(dragUp);\n drag.push({el: this, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope});\n onstart && eve.on(\"snap.drag.start.\" + this.id, onstart);\n onmove && eve.on(\"snap.drag.move.\" + this.id, onmove);\n onend && eve.on(\"snap.drag.end.\" + this.id, onend);\n eve(\"snap.drag.start.\" + this.id, start_scope || move_scope || this, x, y, e);\n }\n this._drag = {};\n draggable.push({el: this, start: start});\n this.mousedown(start);\n return this;\n };\n /*\n * Element.onDragOver\n [ method ]\n **\n * Shortcut to assign event handler for `drag.over.<id>` event, where `id` is the element's `id` (see @Element.id)\n - f (function) handler for event, first argument would be the element you are dragging over\n /*/\n // elproto.onDragOver = function (f) {\n // f ? eve.on(\"snap.drag.over.\" + this.id, f) : eve.unbind(\"snap.drag.over.\" + this.id);\n // };\n /*/\n * Element.undrag\n [ method ]\n **\n * Removes all drag event handlers from the given element\n /*/\n elproto.undrag = function () {\n var i = draggable.length;\n while (i--) if (draggable[i].el == this) {\n this.unmousedown(draggable[i].start);\n draggable.splice(i, 1);\n eve.unbind(\"snap.drag.*.\" + this.id);\n }\n !draggable.length && Snap.unmousemove(dragMove).unmouseup(dragUp);\n return this;\n };\n});\n// Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.\n// \n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n// \n// http://www.apache.org/licenses/LICENSE-2.0\n// \n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\nSnap.plugin(function (Snap, Element, Paper, glob) {\n var elproto = Element.prototype,\n pproto = Paper.prototype,\n rgurl = /^/s*url/((.+)/)/,\n Str = String,\n $ = Snap._.$;\n Snap.filter = {};\n /*/\n * Paper.filter\n [ method ]\n **\n * Creates a `<filter>` element\n **\n - filstr (string) SVG fragment of filter provided as a string\n = (object) @Element\n * Note: It is recommended to use filters embedded into the page inside an empty SVG element.\n > Usage\n | var f = paper.filter('<feGaussianBlur stdDeviation=\"2\"/>'),\n | c = paper.circle(10, 10, 10).attr({\n | filter: f\n | });\n /*/\n pproto.filter = function (filstr) {\n var paper = this;\n if (paper.type != \"svg\") {\n paper = paper.paper;\n }\n var f = Snap.parse(Str(filstr)),\n id = Snap._.id(),\n width = paper.node.offsetWidth,\n height = paper.node.offsetHeight,\n filter = $(\"filter\");\n $(filter, {\n id: id,\n filterUnits: \"userSpaceOnUse\"\n });\n filter.appendChild(f.node);\n paper.defs.appendChild(filter);\n return new Element(filter);\n };\n \n eve.on(\"snap.util.getattr.filter\", function () {\n eve.stop();\n var p = $(this.node, \"filter\");\n if (p) {\n var match = Str(p).match(rgurl);\n return match && Snap.select(match[1]);\n }\n });\n eve.on(\"snap.util.attr.filter\", function (value) {\n if (value instanceof Element && value.type == \"filter\") {\n eve.stop();\n var id = value.node.id;\n if (!id) {\n $(value.node, {id: value.id});\n id = value.id;\n }\n $(this.node, {\n filter: Snap.url(id)\n });\n }\n if (!value || value == \"none\") {\n eve.stop();\n this.node.removeAttribute(\"filter\");\n }\n });\n /*/\n * Snap.filter.blur\n [ method ]\n **\n * Returns an SVG markup string for the blur filter\n **\n - x (number) amount of horizontal blur, in pixels\n - y (number) #optional amount of vertical blur, in pixels\n = (string) filter representation\n > Usage\n | var f = paper.filter(Snap.filter.blur(5, 10)),\n | c = paper.circle(10, 10, 10).attr({\n | filter: f\n | });\n /*/\n Snap.filter.blur = function (x, y) {\n if (x == null) {\n x = 2;\n }\n var def = y == null ? x : [x, y];\n return Snap.format('/<feGaussianBlur stdDeviation=\"{def}\"/>', {\n def: def\n });\n };\n Snap.filter.blur.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.shadow\n [ method ]\n **\n * Returns an SVG markup string for the shadow filter\n **\n - dx (number) #optional horizontal shift of the shadow, in pixels\n - dy (number) #optional vertical shift of the shadow, in pixels\n - blur (number) #optional amount of blur\n - color (string) #optional color of the shadow\n - opacity (number) #optional `0..1` opacity of the shadow\n * or\n - dx (number) #optional horizontal shift of the shadow, in pixels\n - dy (number) #optional vertical shift of the shadow, in pixels\n - color (string) #optional color of the shadow\n - opacity (number) #optional `0..1` opacity of the shadow\n * which makes blur default to `4`. Or\n - dx (number) #optional horizontal shift of the shadow, in pixels\n - dy (number) #optional vertical shift of the shadow, in pixels\n - opacity (number) #optional `0..1` opacity of the shadow\n = (string) filter representation\n > Usage\n | var f = paper.filter(Snap.filter.shadow(0, 2, 3)),\n | c = paper.circle(10, 10, 10).attr({\n | filter: f\n | });\n /*/\n Snap.filter.shadow = function (dx, dy, blur, color, opacity) {\n if (typeof blur == \"string\") {\n color = blur;\n opacity = color;\n blur = 4;\n }\n if (typeof color != \"string\") {\n opacity = color;\n color = \"#000\";\n }\n color = color || \"#000\";\n if (blur == null) {\n blur = 4;\n }\n if (opacity == null) {\n opacity = 1;\n }\n if (dx == null) {\n dx = 0;\n dy = 2;\n }\n if (dy == null) {\n dy = dx;\n }\n color = Snap.color(color);\n return Snap.format('<feGaussianBlur in=\"SourceAlpha\" stdDeviation=\"{blur}\"/><feOffset dx=\"{dx}\" dy=\"{dy}\" result=\"offsetblur\"/><feFlood flood-color=\"{color}\"/><feComposite in2=\"offsetblur\" operator=\"in\"/><feComponentTransfer><feFuncA type=\"linear\" slope=\"{opacity}\"/></feComponentTransfer><feMerge><feMergeNode/><feMergeNode in=\"SourceGraphic\"/></feMerge>', {\n color: color,\n dx: dx,\n dy: dy,\n blur: blur,\n opacity: opacity\n });\n };\n Snap.filter.shadow.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.grayscale\n [ method ]\n **\n * Returns an SVG markup string for the grayscale filter\n **\n - amount (number) amount of filter (`0..1`)\n = (string) filter representation\n /*/\n Snap.filter.grayscale = function (amount) {\n if (amount == null) {\n amount = 1;\n }\n return Snap.format('<feColorMatrix type=\"matrix\" values=\"{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {b} {h} 0 0 0 0 0 1 0\"/>', {\n a: 0.2126 + 0.7874 * (1 - amount),\n b: 0.7152 - 0.7152 * (1 - amount),\n c: 0.0722 - 0.0722 * (1 - amount),\n d: 0.2126 - 0.2126 * (1 - amount),\n e: 0.7152 + 0.2848 * (1 - amount),\n f: 0.0722 - 0.0722 * (1 - amount),\n g: 0.2126 - 0.2126 * (1 - amount),\n h: 0.0722 + 0.9278 * (1 - amount)\n });\n };\n Snap.filter.grayscale.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.sepia\n [ method ]\n **\n * Returns an SVG markup string for the sepia filter\n **\n - amount (number) amount of filter (`0..1`)\n = (string) filter representation\n /*/\n Snap.filter.sepia = function (amount) {\n if (amount == null) {\n amount = 1;\n }\n return Snap.format('<feColorMatrix type=\"matrix\" values=\"{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {h} {i} 0 0 0 0 0 1 0\"/>', {\n a: 0.393 + 0.607 * (1 - amount),\n b: 0.769 - 0.769 * (1 - amount),\n c: 0.189 - 0.189 * (1 - amount),\n d: 0.349 - 0.349 * (1 - amount),\n e: 0.686 + 0.314 * (1 - amount),\n f: 0.168 - 0.168 * (1 - amount),\n g: 0.272 - 0.272 * (1 - amount),\n h: 0.534 - 0.534 * (1 - amount),\n i: 0.131 + 0.869 * (1 - amount)\n });\n };\n Snap.filter.sepia.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.saturate\n [ method ]\n **\n * Returns an SVG markup string for the saturate filter\n **\n - amount (number) amount of filter (`0..1`)\n = (string) filter representation\n /*/\n Snap.filter.saturate = function (amount) {\n if (amount == null) {\n amount = 1;\n }\n return Snap.format('<feColorMatrix type=\"saturate\" values=\"{amount}\"/>', {\n amount: 1 - amount\n });\n };\n Snap.filter.saturate.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.hueRotate\n [ method ]\n **\n * Returns an SVG markup string for the hue-rotate filter\n **\n - angle (number) angle of rotation\n = (string) filter representation\n /*/\n Snap.filter.hueRotate = function (angle) {\n angle = angle || 0;\n return Snap.format('<feColorMatrix type=\"hueRotate\" values=\"{angle}\"/>', {\n angle: angle\n });\n };\n Snap.filter.hueRotate.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.invert\n [ method ]\n **\n * Returns an SVG markup string for the invert filter\n **\n - amount (number) amount of filter (`0..1`)\n = (string) filter representation\n /*/\n Snap.filter.invert = function (amount) {\n if (amount == null) {\n amount = 1;\n }\n return Snap.format('<feComponentTransfer><feFuncR type=\"table\" tableValues=\"{amount} {amount2}\"/><feFuncG type=\"table\" tableValues=\"{amount} {amount2}\"/><feFuncB type=\"table\" tableValues=\"{amount} {amount2}\"/></feComponentTransfer>', {\n amount: amount,\n amount2: 1 - amount\n });\n };\n Snap.filter.invert.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.brightness\n [ method ]\n **\n * Returns an SVG markup string for the brightness filter\n **\n - amount (number) amount of filter (`0..1`)\n = (string) filter representation\n /*/\n Snap.filter.brightness = function (amount) {\n if (amount == null) {\n amount = 1;\n }\n return Snap.format('<feComponentTransfer><feFuncR type=\"linear\" slope=\"{amount}\"/><feFuncG type=\"linear\" slope=\"{amount}\"/><feFuncB type=\"linear\" slope=\"{amount}\"/></feComponentTransfer>', {\n amount: amount\n });\n };\n Snap.filter.brightness.toString = function () {\n return this();\n };\n /*/\n * Snap.filter.contrast\n [ method ]\n **\n * Returns an SVG markup string for the contrast filter\n **\n - amount (number) amount of filter (`0..1`)\n = (string) filter representation\n /*/\n Snap.filter.contrast = function (amount) {\n if (amount == null) {\n amount = 1;\n }\n return Snap.format('<feComponentTransfer><feFuncR type=\"linear\" slope=\"{amount}\" intercept=\"{amount2}\"/><feFuncG type=\"linear\" slope=\"{amount}\" intercept=\"{amount2}\"/><feFuncB type=\"linear\" slope=\"{amount}\" intercept=\"{amount2}\"/></feComponentTransfer>', {\n amount: amount,\n amount2: .5 - amount / 2\n });\n };\n Snap.filter.contrast.toString = function () {\n return this();\n };\n});\n\nreturn Snap;\n}));","'use strict';\n\nvar snapsvg = module.exports = require(239);\n\nsnapsvg.plugin(function(Snap, Element) {\n\n /*/\n * Element.children\n [ method ]\n **\n * Returns array of all the children of the element.\n = (array) array of Elements\n /*/\n Element.prototype.children = function () {\n var out = [],\n ch = this.node.childNodes;\n for (var i = 0, ii = ch.length; i < ii; i++) {\n out[i] = new Snap(ch[i]);\n }\n return out;\n };\n});\n\n\n/**\n * @class ClassPlugin\n *\n * Extends snapsvg with methods to add and remove classes\n */\nsnapsvg.plugin(function (Snap, Element, Paper, global) {\n\n function split(str) {\n return str.split(//s+/);\n }\n\n function join(array) {\n return array.join(' ');\n }\n\n function getClasses(e) {\n return split(e.attr('class') || '');\n }\n\n function setClasses(e, classes) {\n e.attr('class', join(classes));\n }\n\n /**\n * @method snapsvg.Element#addClass\n *\n * @example\n *\n * e.attr('class', 'selector');\n *\n * e.addClass('foo bar'); // adds classes foo and bar\n * e.attr('class'); // -> 'selector foo bar'\n *\n * e.addClass('fooBar');\n * e.attr('class'); // -> 'selector foo bar fooBar'\n *\n * @param {String} cls classes to be added to the element\n *\n * @return {snapsvg.Element} the element (this)\n */\n Element.prototype.addClass = function(cls) {\n var current = getClasses(this),\n add = split(cls),\n i, e;\n\n for (i = 0, e; !!(e = add[i]); i++) {\n if (current.indexOf(e) === -1) {\n current.push(e);\n }\n }\n\n setClasses(this, current);\n\n return this;\n };\n\n /**\n * @method snapsvg.Element#hasClass\n *\n * @param {String} cls the class to query for\n * @return {Boolean} returns true if the element has the given class\n */\n Element.prototype.hasClass = function(cls) {\n if (!cls) {\n throw new Error('[snapsvg] syntax: hasClass(clsStr)');\n }\n\n return getClasses(this).indexOf(cls) !== -1;\n };\n\n /**\n * @method snapsvg.Element#removeClass\n *\n * @example\n *\n * e.attr('class', 'foo bar');\n *\n * e.removeClass('foo');\n * e.attr('class'); // -> 'bar'\n *\n * e.removeClass('foo bar'); // removes classes foo and bar\n * e.attr('class'); // -> ''\n *\n * @param {String} cls classes to be removed from element\n *\n * @return {snapsvg.Element} the element (this)\n */\n Element.prototype.removeClass = function(cls) {\n var current = getClasses(this),\n remove = split(cls),\n i, e, idx;\n\n for (i = 0, e; !!(e = remove[i]); i++) {\n idx = current.indexOf(e);\n\n if (idx !== -1) {\n // remove element from array\n current.splice(idx, 1);\n }\n }\n\n setClasses(this, current);\n\n return this;\n };\n\n});\n\n/**\n * @class TranslatePlugin\n *\n * Extends snapsvg with methods to translate elements\n */\nsnapsvg.plugin(function (Snap, Element, Paper, global) {\n\n /*\n * @method snapsvg.Element#translate\n *\n * @example\n *\n * e.translate(10, 20);\n *\n * // sets transform matrix to translate(10, 20)\n *\n * @param {Number} x translation\n * @param {Number} y translation\n *\n * @return {snapsvg.Element} the element (this)\n */\n Element.prototype.translate = function(x, y) {\n var matrix = new Snap.Matrix();\n matrix.translate(x, y);\n return this.transform(matrix);\n };\n});\n\n\n/**\n * @class CreatePlugin\n *\n * Create an svg element without attaching it to the dom\n */\nsnapsvg.plugin(function(Snap) {\n\n Snap.create = function(name, attrs) {\n return Snap._.wrap(Snap._.$(name, attrs));\n };\n});\n\n\n/**\n * @class CreatSnapAtPlugin\n *\n * Extends snap.svg with a method to create a SVG element\n * at a specific position in the DOM.\n */\nsnapsvg.plugin(function(Snap, Element, Paper, global) {\n\n /*\n * @method snapsvg.createSnapAt\n *\n * @example\n *\n * snapsvg.createSnapAt(parentNode, 200, 200);\n *\n * @param {Number} width of svg\n * @param {Number} height of svg\n * @param {Object} parentNode svg Element will be child of this\n *\n * @return {snapsvg.Element} the newly created wrapped SVG element instance\n */\n Snap.createSnapAt = function(width, height, parentNode) {\n\n var svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');\n svg.setAttribute('width', width);\n svg.setAttribute('height', height);\n if (!parentNode) {\n parentNode = document.body;\n }\n parentNode.appendChild(svg);\n\n return new Snap(svg);\n };\n});","'use strict';\n\nvar hat = require(242);\n\n\n/**\n * Create a new id generator / cache instance.\n *\n * You may optionally provide a seed that is used internally.\n *\n * @param {Seed} seed\n */\nfunction Ids(seed) {\n\n if (!(this instanceof Ids)) {\n return new Ids(seed);\n }\n\n seed = seed || [ 128, 36, 1 ];\n this._seed = seed.length ? hat.rack(seed[0], seed[1], seed[2]) : seed;\n}\n\nmodule.exports = Ids;\n\n/**\n * Generate a next id.\n *\n * @param {Object} [element] element to bind the id to\n *\n * @return {String} id\n */\nIds.prototype.next = function(element) {\n return this._seed(element || true);\n};\n\n/**\n * Generate a next id with a given prefix.\n *\n * @param {Object} [element] element to bind the id to\n *\n * @return {String} id\n */\nIds.prototype.nextPrefixed = function(prefix, element) {\n var id;\n\n do {\n id = prefix + this.next(true);\n } while (this.assigned(id));\n\n // claim {prefix}{random}\n this.claim(id, element);\n\n // return\n return id;\n};\n\n/**\n * Manually claim an existing id.\n *\n * @param {String} id\n * @param {String} [element] element the id is claimed by\n */\nIds.prototype.claim = function(id, element) {\n this._seed.set(id, element || true);\n};\n\n/**\n * Returns true if the given id has already been assigned.\n *\n * @param {String} id\n * @return {Boolean}\n */\nIds.prototype.assigned = function(id) {\n return this._seed.get(id) || false;\n};\n\n/**\n * Unclaim an id.\n *\n * @param {String} id the id to unclaim\n */\nIds.prototype.unclaim = function(id) {\n delete this._seed.hats[id];\n};\n\n\n/**\n * Clear all claimed ids.\n */\nIds.prototype.clear = function() {\n\n var hats = this._seed.hats,\n id;\n\n for (id in hats) {\n this.unclaim(id);\n }\n};","var hat = module.exports = function (bits, base) {\n if (!base) base = 16;\n if (bits === undefined) bits = 128;\n if (bits <= 0) return '0';\n \n var digits = Math.log(Math.pow(2, bits)) / Math.log(base);\n for (var i = 2; digits === Infinity; i *= 2) {\n digits = Math.log(Math.pow(2, bits / i)) / Math.log(base) * i;\n }\n \n var rem = digits - Math.floor(digits);\n \n var res = '';\n \n for (var i = 0; i < Math.floor(digits); i++) {\n var x = Math.floor(Math.random() * base).toString(base);\n res = x + res;\n }\n \n if (rem) {\n var b = Math.pow(base, rem);\n var x = Math.floor(Math.random() * b).toString(base);\n res = x + res;\n }\n \n var parsed = parseInt(res, base);\n if (parsed !== Infinity && parsed >= Math.pow(2, bits)) {\n return hat(bits, base)\n }\n else return res;\n};\n\nhat.rack = function (bits, base, expandBy) {\n var fn = function (data) {\n var iters = 0;\n do {\n if (iters ++ > 10) {\n if (expandBy) bits += expandBy;\n else throw new Error('too many ID collisions, use more bits')\n }\n \n var id = hat(bits, base);\n } while (Object.hasOwnProperty.call(hats, id));\n \n hats[id] = data;\n return id;\n };\n var hats = fn.hats = {};\n \n fn.get = function (id) {\n return fn.hats[id];\n };\n \n fn.set = function (id, value) {\n fn.hats[id] = value;\n return fn;\n };\n \n fn.bits = bits || 128;\n fn.base = base || 16;\n return fn;\n};\n","if (typeof Object.create === 'function') {\n // implementation from standard node.js 'util' module\n module.exports = function inherits(ctor, superCtor) {\n ctor.super_ = superCtor\n ctor.prototype = Object.create(superCtor.prototype, {\n constructor: {\n value: ctor,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n };\n} else {\n // old school shim for old browsers\n module.exports = function inherits(ctor, superCtor) {\n ctor.super_ = superCtor\n var TempCtor = function () {}\n TempCtor.prototype = superCtor.prototype\n ctor.prototype = new TempCtor()\n ctor.prototype.constructor = ctor\n }\n}\n","var createFindIndex = require(331);\n\n/**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * If a property name is provided for `predicate` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `predicate` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @category Array\n * @param {Array} array The array to search.\n * @param {Function|Object|string} [predicate=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(chr) {\n * return chr.user == 'barney';\n * });\n * // => 0\n *\n * // using the `_.matches` callback shorthand\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // using the `_.matchesProperty` callback shorthand\n * _.findIndex(users, 'active', false);\n * // => 0\n *\n * // using the `_.property` callback shorthand\n * _.findIndex(users, 'active');\n * // => 2\n */\nvar findIndex = createFindIndex();\n\nmodule.exports = findIndex;\n","var baseFlatten = require(292),\n isIterateeCall = require(348);\n\n/**\n * Flattens a nested array. If `isDeep` is `true` the array is recursively\n * flattened, otherwise it's only flattened a single level.\n *\n * @static\n * @memberOf _\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {boolean} [isDeep] Specify a deep flatten.\n * @param- {Object} [guard] Enables use as a callback for functions like `_.map`.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, 3, [4]]]);\n * // => [1, 2, 3, [4]]\n *\n * // using `isDeep`\n * _.flatten([1, [2, 3, [4]]], true);\n * // => [1, 2, 3, 4]\n */\nfunction flatten(array, isDeep, guard) {\n var length = array ? array.length : 0;\n if (guard && isIterateeCall(array, isDeep, guard)) {\n isDeep = false;\n }\n return length ? baseFlatten(array, isDeep) : [];\n}\n\nmodule.exports = flatten;\n","/**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\nfunction last(array) {\n var length = array ? array.length : 0;\n return length ? array[length - 1] : undefined;\n}\n\nmodule.exports = last;\n","var baseCallback = require(281),\n baseUniq = require(315),\n isIterateeCall = require(348),\n sortedUniq = require(363);\n\n/**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurence of each element\n * is kept. Providing `true` for `isSorted` performs a faster search algorithm\n * for sorted arrays. If an iteratee function is provided it's invoked for\n * each element in the array to generate the criterion by which uniqueness\n * is computed. The `iteratee` is bound to `thisArg` and invoked with three\n * arguments: (value, index, array).\n *\n * If a property name is provided for `iteratee` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `iteratee` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @alias unique\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {boolean} [isSorted] Specify the array is sorted.\n * @param {Function|Object|string} [iteratee] The function invoked per iteration.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {Array} Returns the new duplicate-value-free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n *\n * // using `isSorted`\n * _.uniq([1, 1, 2], true);\n * // => [1, 2]\n *\n * // using an iteratee function\n * _.uniq([1, 2.5, 1.5, 2], function(n) {\n * return this.floor(n);\n * }, Math);\n * // => [1, 2.5]\n *\n * // using the `_.property` callback shorthand\n * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\nfunction uniq(array, isSorted, iteratee, thisArg) {\n var length = array ? array.length : 0;\n if (!length) {\n return [];\n }\n if (isSorted != null && typeof isSorted != 'boolean') {\n thisArg = iteratee;\n iteratee = isIterateeCall(array, isSorted, thisArg) ? undefined : isSorted;\n isSorted = false;\n }\n iteratee = iteratee == null ? iteratee : baseCallback(iteratee, thisArg, 3);\n return (isSorted)\n ? sortedUniq(array, iteratee)\n : baseUniq(array, iteratee);\n}\n\nmodule.exports = uniq;\n","module.exports = require(247);\n","var baseDifference = require(286),\n isArrayLike = require(346),\n restParam = require(267);\n\n/**\n * Creates an array excluding all provided values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @category Array\n * @param {Array} array The array to filter.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.without([1, 2, 1, 3], 1, 2);\n * // => [3]\n */\nvar without = restParam(function(array, values) {\n return isArrayLike(array)\n ? baseDifference(array, values)\n : [];\n});\n\nmodule.exports = without;\n","var LazyWrapper = require(268),\n LodashWrapper = require(269),\n baseLodash = require(301),\n isArray = require(368),\n isObjectLike = require(352),\n wrapperClone = require(366);\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Creates a `lodash` object which wraps `value` to enable implicit chaining.\n * Methods that operate on and return arrays, collections, and functions can\n * be chained together. Methods that retrieve a single value or may return a\n * primitive value will automatically end the chain returning the unwrapped\n * value. Explicit chaining may be enabled using `_.chain`. The execution of\n * chained methods is lazy, that is, execution is deferred until `_#value`\n * is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion. Shortcut\n * fusion is an optimization strategy which merge iteratee calls; this can help\n * to avoid the creation of intermediate data structures and greatly reduce the\n * number of iteratee executions.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`,\n * `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `compact`, `drop`, `dropRight`, `dropRightWhile`, `dropWhile`, `filter`,\n * `first`, `initial`, `last`, `map`, `pluck`, `reject`, `rest`, `reverse`,\n * `slice`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, `toArray`,\n * and `where`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `at`, `before`, `bind`, `bindAll`, `bindKey`,\n * `callback`, `chain`, `chunk`, `commit`, `compact`, `concat`, `constant`,\n * `countBy`, `create`, `curry`, `debounce`, `defaults`, `defaultsDeep`,\n * `defer`, `delay`, `difference`, `drop`, `dropRight`, `dropRightWhile`,\n * `dropWhile`, `fill`, `filter`, `flatten`, `flattenDeep`, `flow`, `flowRight`,\n * `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`,\n * `functions`, `groupBy`, `indexBy`, `initial`, `intersection`, `invert`,\n * `invoke`, `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`,\n * `matchesProperty`, `memoize`, `merge`, `method`, `methodOf`, `mixin`,\n * `modArgs`, `negate`, `omit`, `once`, `pairs`, `partial`, `partialRight`,\n * `partition`, `pick`, `plant`, `pluck`, `property`, `propertyOf`, `pull`,\n * `pullAt`, `push`, `range`, `rearg`, `reject`, `remove`, `rest`, `restParam`,\n * `reverse`, `set`, `shuffle`, `slice`, `sort`, `sortBy`, `sortByAll`,\n * `sortByOrder`, `splice`, `spread`, `take`, `takeRight`, `takeRightWhile`,\n * `takeWhile`, `tap`, `throttle`, `thru`, `times`, `toArray`, `toPlainObject`,\n * `transform`, `union`, `uniq`, `unshift`, `unzip`, `unzipWith`, `values`,\n * `valuesIn`, `where`, `without`, `wrap`, `xor`, `zip`, `zipObject`, `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clone`, `cloneDeep`,\n * `deburr`, `endsWith`, `escape`, `escapeRegExp`, `every`, `find`, `findIndex`,\n * `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `findWhere`, `first`,\n * `floor`, `get`, `gt`, `gte`, `has`, `identity`, `includes`, `indexOf`,\n * `inRange`, `isArguments`, `isArray`, `isBoolean`, `isDate`, `isElement`,\n * `isEmpty`, `isEqual`, `isError`, `isFinite` `isFunction`, `isMatch`,\n * `isNative`, `isNaN`, `isNull`, `isNumber`, `isObject`, `isPlainObject`,\n * `isRegExp`, `isString`, `isUndefined`, `isTypedArray`, `join`, `kebabCase`,\n * `last`, `lastIndexOf`, `lt`, `lte`, `max`, `min`, `noConflict`, `noop`,\n * `now`, `pad`, `padLeft`, `padRight`, `parseInt`, `pop`, `random`, `reduce`,\n * `reduceRight`, `repeat`, `result`, `round`, `runInContext`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedLastIndex`, `startCase`,\n * `startsWith`, `sum`, `template`, `trim`, `trimLeft`, `trimRight`, `trunc`,\n * `unescape`, `uniqueId`, `value`, and `words`\n *\n * The wrapper method `sample` will return a wrapped value when `n` is provided,\n * otherwise an unwrapped value is returned.\n *\n * @name _\n * @constructor\n * @category Chain\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // returns an unwrapped value\n * wrapped.reduce(function(total, n) {\n * return total + n;\n * });\n * // => 6\n *\n * // returns a wrapped value\n * var squares = wrapped.map(function(n) {\n * return n * n;\n * });\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\nfunction lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__chain__') && hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n}\n\n// Ensure wrappers are instances of `baseLodash`.\nlodash.prototype = baseLodash.prototype;\n\nmodule.exports = lodash;\n","module.exports = require(261);\n","var arrayEvery = require(273),\n baseCallback = require(281),\n baseEvery = require(288),\n isArray = require(368),\n isIterateeCall = require(348);\n\n/**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * The predicate is bound to `thisArg` and invoked with three arguments:\n * (value, index|key, collection).\n *\n * If a property name is provided for `predicate` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `predicate` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @alias all\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function|Object|string} [predicate=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // using the `_.matches` callback shorthand\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // using the `_.matchesProperty` callback shorthand\n * _.every(users, 'active', false);\n * // => true\n *\n * // using the `_.property` callback shorthand\n * _.every(users, 'active');\n * // => false\n */\nfunction every(collection, predicate, thisArg) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (thisArg && isIterateeCall(collection, predicate, thisArg)) {\n predicate = undefined;\n }\n if (typeof predicate != 'function' || thisArg !== undefined) {\n predicate = baseCallback(predicate, thisArg, 3);\n }\n return func(collection, predicate);\n}\n\nmodule.exports = every;\n","var arrayFilter = require(274),\n baseCallback = require(281),\n baseFilter = require(289),\n isArray = require(368);\n\n/**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is bound to `thisArg` and\n * invoked with three arguments: (value, index|key, collection).\n *\n * If a property name is provided for `predicate` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `predicate` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @alias select\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function|Object|string} [predicate=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {Array} Returns the new filtered array.\n * @example\n *\n * _.filter([4, 5, 6], function(n) {\n * return n % 2 == 0;\n * });\n * // => [4, 6]\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // using the `_.matches` callback shorthand\n * _.pluck(_.filter(users, { 'age': 36, 'active': true }), 'user');\n * // => ['barney']\n *\n * // using the `_.matchesProperty` callback shorthand\n * _.pluck(_.filter(users, 'active', false), 'user');\n * // => ['fred']\n *\n * // using the `_.property` callback shorthand\n * _.pluck(_.filter(users, 'active'), 'user');\n * // => ['barney']\n */\nfunction filter(collection, predicate, thisArg) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n predicate = baseCallback(predicate, thisArg, 3);\n return func(collection, predicate);\n}\n\nmodule.exports = filter;\n","var baseEach = require(287),\n createFind = require(330);\n\n/**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is bound to `thisArg` and\n * invoked with three arguments: (value, index|key, collection).\n *\n * If a property name is provided for `predicate` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `predicate` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @alias detect\n * @category Collection\n * @param {Array|Object|string} collection The collection to search.\n * @param {Function|Object|string} [predicate=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.result(_.find(users, function(chr) {\n * return chr.age < 40;\n * }), 'user');\n * // => 'barney'\n *\n * // using the `_.matches` callback shorthand\n * _.result(_.find(users, { 'age': 1, 'active': true }), 'user');\n * // => 'pebbles'\n *\n * // using the `_.matchesProperty` callback shorthand\n * _.result(_.find(users, 'active', false), 'user');\n * // => 'fred'\n *\n * // using the `_.property` callback shorthand\n * _.result(_.find(users, 'active'), 'user');\n * // => 'barney'\n */\nvar find = createFind(baseEach);\n\nmodule.exports = find;\n","var arrayEach = require(272),\n baseEach = require(287),\n createForEach = require(332);\n\n/**\n * Iterates over elements of `collection` invoking `iteratee` for each element.\n * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n * (value, index|key, collection). Iteratee functions may exit iteration early\n * by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\" property\n * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn`\n * may be used for object iteration.\n *\n * @static\n * @memberOf _\n * @alias each\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {Array|Object|string} Returns `collection`.\n * @example\n *\n * _([1, 2]).forEach(function(n) {\n * console.log(n);\n * }).value();\n * // => logs each value from left to right and returns the array\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(n, key) {\n * console.log(n, key);\n * });\n * // => logs each value-key pair and returns the object (iteration order is not guaranteed)\n */\nvar forEach = createForEach(arrayEach, baseEach);\n\nmodule.exports = forEach;\n","var createAggregator = require(323);\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` through `iteratee`. The corresponding value\n * of each key is an array of the elements responsible for generating the key.\n * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n * (value, index|key, collection).\n *\n * If a property name is provided for `iteratee` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `iteratee` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([4.2, 6.1, 6.4], function(n) {\n * return Math.floor(n);\n * });\n * // => { '4': [4.2], '6': [6.1, 6.4] }\n *\n * _.groupBy([4.2, 6.1, 6.4], function(n) {\n * return this.floor(n);\n * }, Math);\n * // => { '4': [4.2], '6': [6.1, 6.4] }\n *\n * // using the `_.property` callback shorthand\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\nvar groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n result[key] = [value];\n }\n});\n\nmodule.exports = groupBy;\n","var baseIndexOf = require(297),\n getLength = require(342),\n isArray = require(368),\n isIterateeCall = require(348),\n isLength = require(351),\n isString = require(374),\n values = require(385);\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * Checks if `target` is in `collection` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the offset\n * from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @alias contains, include\n * @category Collection\n * @param {Array|Object|string} collection The collection to search.\n * @param {*} target The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as a callback for functions like `_.reduce`.\n * @returns {boolean} Returns `true` if a matching element is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'user': 'fred', 'age': 40 }, 'fred');\n * // => true\n *\n * _.includes('pebbles', 'eb');\n * // => true\n */\nfunction includes(collection, target, fromIndex, guard) {\n var length = collection ? getLength(collection) : 0;\n if (!isLength(length)) {\n collection = values(collection);\n length = collection.length;\n }\n if (typeof fromIndex != 'number' || (guard && isIterateeCall(target, fromIndex, guard))) {\n fromIndex = 0;\n } else {\n fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : (fromIndex || 0);\n }\n return (typeof collection == 'string' || !isArray(collection) && isString(collection))\n ? (fromIndex <= length && collection.indexOf(target, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, target, fromIndex) > -1);\n}\n\nmodule.exports = includes;\n","var arrayMap = require(275),\n baseCallback = require(281),\n baseMap = require(302),\n isArray = require(368);\n\n/**\n * Creates an array of values by running each element in `collection` through\n * `iteratee`. The `iteratee` is bound to `thisArg` and invoked with three\n * arguments: (value, index|key, collection).\n *\n * If a property name is provided for `iteratee` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `iteratee` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `callback`, `chunk`, `clone`, `create`, `curry`, `curryRight`,\n * `drop`, `dropRight`, `every`, `fill`, `flatten`, `invert`, `max`, `min`,\n * `parseInt`, `slice`, `sortBy`, `take`, `takeRight`, `template`, `trim`,\n * `trimLeft`, `trimRight`, `trunc`, `random`, `range`, `sample`, `some`,\n * `sum`, `uniq`, and `words`\n *\n * @static\n * @memberOf _\n * @alias collect\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function timesThree(n) {\n * return n * 3;\n * }\n *\n * _.map([1, 2], timesThree);\n * // => [3, 6]\n *\n * _.map({ 'a': 1, 'b': 2 }, timesThree);\n * // => [3, 6] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // using the `_.property` callback shorthand\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\nfunction map(collection, iteratee, thisArg) {\n var func = isArray(collection) ? arrayMap : baseMap;\n iteratee = baseCallback(iteratee, thisArg, 3);\n return func(collection, iteratee);\n}\n\nmodule.exports = map;\n","var arrayReduce = require(277),\n baseEach = require(287),\n createReduce = require(335);\n\n/**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` through `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not provided the first element of `collection` is used as the initial\n * value. The `iteratee` is bound to `thisArg` and invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `sortByAll`,\n * and `sortByOrder`\n *\n * @static\n * @memberOf _\n * @alias foldl, inject\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.reduce([1, 2], function(total, n) {\n * return total + n;\n * });\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2 }, function(result, n, key) {\n * result[key] = n * 3;\n * return result;\n * }, {});\n * // => { 'a': 3, 'b': 6 } (iteration order is not guaranteed)\n */\nvar reduce = createReduce(arrayReduce, baseEach);\n\nmodule.exports = reduce;\n","var getLength = require(342),\n isLength = require(351),\n keys = require(378);\n\n/**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable properties for objects.\n *\n * @static\n * @memberOf _\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the size of `collection`.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\nfunction size(collection) {\n var length = collection ? getLength(collection) : 0;\n return isLength(length) ? length : keys(collection).length;\n}\n\nmodule.exports = size;\n","var arraySome = require(278),\n baseCallback = require(281),\n baseSome = require(312),\n isArray = require(368),\n isIterateeCall = require(348);\n\n/**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * The function returns as soon as it finds a passing value and does not iterate\n * over the entire collection. The predicate is bound to `thisArg` and invoked\n * with three arguments: (value, index|key, collection).\n *\n * If a property name is provided for `predicate` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `predicate` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @alias any\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function|Object|string} [predicate=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // using the `_.matches` callback shorthand\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // using the `_.matchesProperty` callback shorthand\n * _.some(users, 'active', false);\n * // => true\n *\n * // using the `_.property` callback shorthand\n * _.some(users, 'active');\n * // => true\n */\nfunction some(collection, predicate, thisArg) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (thisArg && isIterateeCall(collection, predicate, thisArg)) {\n predicate = undefined;\n }\n if (typeof predicate != 'function' || thisArg !== undefined) {\n predicate = baseCallback(predicate, thisArg, 3);\n }\n return func(collection, predicate);\n}\n\nmodule.exports = some;\n","var baseCallback = require(281),\n baseMap = require(302),\n baseSortBy = require(313),\n compareAscending = require(320),\n isIterateeCall = require(348);\n\n/**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection through `iteratee`. This method performs\n * a stable sort, that is, it preserves the original sort order of equal elements.\n * The `iteratee` is bound to `thisArg` and invoked with three arguments:\n * (value, index|key, collection).\n *\n * If a property name is provided for `iteratee` the created `_.property`\n * style callback returns the property value of the given element.\n *\n * If a value is also provided for `thisArg` the created `_.matchesProperty`\n * style callback returns `true` for elements that have a matching property\n * value, else `false`.\n *\n * If an object is provided for `iteratee` the created `_.matches` style\n * callback returns `true` for elements that have the properties of the given\n * object, else `false`.\n *\n * @static\n * @memberOf _\n * @category Collection\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function|Object|string} [iteratee=_.identity] The function invoked\n * per iteration.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * _.sortBy([1, 2, 3], function(n) {\n * return Math.sin(n);\n * });\n * // => [3, 1, 2]\n *\n * _.sortBy([1, 2, 3], function(n) {\n * return this.sin(n);\n * }, Math);\n * // => [3, 1, 2]\n *\n * var users = [\n * { 'user': 'fred' },\n * { 'user': 'pebbles' },\n * { 'user': 'barney' }\n * ];\n *\n * // using the `_.property` callback shorthand\n * _.pluck(_.sortBy(users, 'user'), 'user');\n * // => ['barney', 'fred', 'pebbles']\n */\nfunction sortBy(collection, iteratee, thisArg) {\n if (collection == null) {\n return [];\n }\n if (thisArg && isIterateeCall(collection, iteratee, thisArg)) {\n iteratee = undefined;\n }\n var index = -1;\n iteratee = baseCallback(iteratee, thisArg, 3);\n\n var result = baseMap(collection, function(value, key, collection) {\n return { 'criteria': iteratee(value, key, collection), 'index': ++index, 'value': value };\n });\n return baseSortBy(result, compareAscending);\n}\n\nmodule.exports = sortBy;\n","var getNative = require(344);\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeNow = getNative(Date, 'now');\n\n/**\n * Gets the number of milliseconds that have elapsed since the Unix epoch\n * (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @category Date\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => logs the number of milliseconds it took for the deferred function to be invoked\n */\nvar now = nativeNow || function() {\n return new Date().getTime();\n};\n\nmodule.exports = now;\n","var createWrapper = require(336),\n replaceHolders = require(360),\n restParam = require(267);\n\n/** Used to compose bitmasks for wrapper metadata. */\nvar BIND_FLAG = 1,\n PARTIAL_FLAG = 32;\n\n/**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and prepends any additional `_.bind` arguments to those provided to the\n * bound function.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind` this method does not set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var greet = function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * };\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // using placeholders\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\nvar bind = restParam(function(func, thisArg, partials) {\n var bitmask = BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, bind.placeholder);\n bitmask |= PARTIAL_FLAG;\n }\n return createWrapper(func, bitmask, thisArg, partials, holders);\n});\n\n// Assign default placeholders.\nbind.placeholder = {};\n\nmodule.exports = bind;\n","var isObject = require(372),\n now = require(263);\n\n/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed invocations. Provide an options object to indicate that `func`\n * should be invoked on the leading and/or trailing edge of the `wait` timeout.\n * Subsequent calls to the debounced function return the result of the last\n * `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is invoked\n * on the trailing edge of the timeout only if the the debounced function is\n * invoked more than once during the `wait` timeout.\n *\n * See [David Corbacho's article](http://drupalmotion.com/article/debounce-and-throttle-visual-explanation)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options] The options object.\n * @param {boolean} [options.leading=false] Specify invoking on the leading\n * edge of the timeout.\n * @param {number} [options.maxWait] The maximum time `func` is allowed to be\n * delayed before it's invoked.\n * @param {boolean} [options.trailing=true] Specify invoking on the trailing\n * edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // avoid costly calculations while the window size is in flux\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // invoke `sendMail` when the click event is fired, debouncing subsequent calls\n * jQuery('#postbox').on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // ensure `batchLog` is invoked once after 1 second of debounced calls\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', _.debounce(batchLog, 250, {\n * 'maxWait': 1000\n * }));\n *\n * // cancel a debounced call\n * var todoChanges = _.debounce(batchLog, 1000);\n * Object.observe(models.todo, todoChanges);\n *\n * Object.observe(models, function(changes) {\n * if (_.find(changes, { 'user': 'todo', 'type': 'delete'})) {\n * todoChanges.cancel();\n * }\n * }, ['delete']);\n *\n * // ...at some point `models.todo` is changed\n * models.todo.completed = true;\n *\n * // ...before 1 second has passed `models.todo` is deleted\n * // which cancels the debounced `todoChanges` call\n * delete models.todo;\n */\nfunction debounce(func, wait, options) {\n var args,\n maxTimeoutId,\n result,\n stamp,\n thisArg,\n timeoutId,\n trailingCall,\n lastCalled = 0,\n maxWait = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = wait < 0 ? 0 : (+wait || 0);\n if (options === true) {\n var leading = true;\n trailing = false;\n } else if (isObject(options)) {\n leading = !!options.leading;\n maxWait = 'maxWait' in options && nativeMax(+options.maxWait || 0, wait);\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function cancel() {\n if (timeoutId) {\n clearTimeout(timeoutId);\n }\n if (maxTimeoutId) {\n clearTimeout(maxTimeoutId);\n }\n lastCalled = 0;\n maxTimeoutId = timeoutId = trailingCall = undefined;\n }\n\n function complete(isCalled, id) {\n if (id) {\n clearTimeout(id);\n }\n maxTimeoutId = timeoutId = trailingCall = undefined;\n if (isCalled) {\n lastCalled = now();\n result = func.apply(thisArg, args);\n if (!timeoutId && !maxTimeoutId) {\n args = thisArg = undefined;\n }\n }\n }\n\n function delayed() {\n var remaining = wait - (now() - stamp);\n if (remaining <= 0 || remaining > wait) {\n complete(trailingCall, maxTimeoutId);\n } else {\n timeoutId = setTimeout(delayed, remaining);\n }\n }\n\n function maxDelayed() {\n complete(trailing, timeoutId);\n }\n\n function debounced() {\n args = arguments;\n stamp = now();\n thisArg = this;\n trailingCall = trailing && (timeoutId || !leading);\n\n if (maxWait === false) {\n var leadingCall = leading && !timeoutId;\n } else {\n if (!maxTimeoutId && !leading) {\n lastCalled = stamp;\n }\n var remaining = maxWait - (stamp - lastCalled),\n isCalled = remaining <= 0 || remaining > maxWait;\n\n if (isCalled) {\n if (maxTimeoutId) {\n maxTimeoutId = clearTimeout(maxTimeoutId);\n }\n lastCalled = stamp;\n result = func.apply(thisArg, args);\n }\n else if (!maxTimeoutId) {\n maxTimeoutId = setTimeout(maxDelayed, remaining);\n }\n }\n if (isCalled && timeoutId) {\n timeoutId = clearTimeout(timeoutId);\n }\n else if (!timeoutId && wait !== maxWait) {\n timeoutId = setTimeout(delayed, wait);\n }\n if (leadingCall) {\n isCalled = true;\n result = func.apply(thisArg, args);\n }\n if (isCalled && !timeoutId && !maxTimeoutId) {\n args = thisArg = undefined;\n }\n return result;\n }\n debounced.cancel = cancel;\n return debounced;\n}\n\nmodule.exports = debounce;\n","var baseDelay = require(285),\n restParam = require(267);\n\n/**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke the function with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // logs 'deferred' after one or more milliseconds\n */\nvar defer = restParam(function(func, args) {\n return baseDelay(func, 1, args);\n});\n\nmodule.exports = defer;\n","/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as an array.\n *\n * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/Web/JavaScript/Reference/Functions/rest_parameters).\n *\n * @static\n * @memberOf _\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.restParam(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\nfunction restParam(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n rest = Array(length);\n\n while (++index < length) {\n rest[index] = args[start + index];\n }\n switch (start) {\n case 0: return func.call(this, rest);\n case 1: return func.call(this, args[0], rest);\n case 2: return func.call(this, args[0], args[1], rest);\n }\n var otherArgs = Array(start + 1);\n index = -1;\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = rest;\n return func.apply(this, otherArgs);\n };\n}\n\nmodule.exports = restParam;\n","var baseCreate = require(284),\n baseLodash = require(301);\n\n/** Used as references for `-Infinity` and `Infinity`. */\nvar POSITIVE_INFINITY = Number.POSITIVE_INFINITY;\n\n/**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @param {*} value The value to wrap.\n */\nfunction LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = POSITIVE_INFINITY;\n this.__views__ = [];\n}\n\nLazyWrapper.prototype = baseCreate(baseLodash.prototype);\nLazyWrapper.prototype.constructor = LazyWrapper;\n\nmodule.exports = LazyWrapper;\n","var baseCreate = require(284),\n baseLodash = require(301);\n\n/**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable chaining for all wrapper methods.\n * @param {Array} [actions=[]] Actions to peform to resolve the unwrapped value.\n */\nfunction LodashWrapper(value, chainAll, actions) {\n this.__wrapped__ = value;\n this.__actions__ = actions || [];\n this.__chain__ = !!chainAll;\n}\n\nLodashWrapper.prototype = baseCreate(baseLodash.prototype);\nLodashWrapper.prototype.constructor = LodashWrapper;\n\nmodule.exports = LodashWrapper;\n","var cachePush = require('./cachePush'),\n getNative = require('./getNative');\n\n/** Native method references. */\nvar Set = getNative(global, 'Set');\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeCreate = getNative(Object, 'create');\n\n/**\n *\n * Creates a cache object to store unique values.\n *\n * @private\n * @param {Array} [values] The values to cache.\n */\nfunction SetCache(values) {\n var length = values ? values.length : 0;\n\n this.data = { 'hash': nativeCreate(null), 'set': new Set };\n while (length--) {\n this.push(values[length]);\n }\n}\n\n// Add functions to the `Set` cache.\nSetCache.prototype.push = cachePush;\n\nmodule.exports = SetCache;\n","/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction arrayCopy(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n}\n\nmodule.exports = arrayCopy;\n","/**\n * A specialized version of `_.forEach` for arrays without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\nfunction arrayEach(array, iteratee) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n}\n\nmodule.exports = arrayEach;\n","/**\n * A specialized version of `_.every` for arrays without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\nfunction arrayEvery(array, predicate) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n}\n\nmodule.exports = arrayEvery;\n","/**\n * A specialized version of `_.filter` for arrays without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction arrayFilter(array, predicate) {\n var index = -1,\n length = array.length,\n resIndex = -1,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[++resIndex] = value;\n }\n }\n return result;\n}\n\nmodule.exports = arrayFilter;\n","/**\n * A specialized version of `_.map` for arrays without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\nfunction arrayMap(array, iteratee) {\n var index = -1,\n length = array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n}\n\nmodule.exports = arrayMap;\n","/**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\nfunction arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n}\n\nmodule.exports = arrayPush;\n","/**\n * A specialized version of `_.reduce` for arrays without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initFromArray] Specify using the first element of `array`\n * as the initial value.\n * @returns {*} Returns the accumulated value.\n */\nfunction arrayReduce(array, iteratee, accumulator, initFromArray) {\n var index = -1,\n length = array.length;\n\n if (initFromArray && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n}\n\nmodule.exports = arrayReduce;\n","/**\n * A specialized version of `_.some` for arrays without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\nfunction arraySome(array, predicate) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n}\n\nmodule.exports = arraySome;\n","var keys = require(378);\n\n/**\n * A specialized version of `_.assign` for customizing assigned values without\n * support for argument juggling, multiple sources, and `this` binding `customizer`\n * functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n */\nfunction assignWith(object, source, customizer) {\n var index = -1,\n props = keys(source),\n length = props.length;\n\n while (++index < length) {\n var key = props[index],\n value = object[key],\n result = customizer(value, source[key], key, object, source);\n\n if ((result === result ? (result !== value) : (value === value)) ||\n (value === undefined && !(key in object))) {\n object[key] = result;\n }\n }\n return object;\n}\n\nmodule.exports = assignWith;\n","var baseCopy = require(283),\n keys = require(378);\n\n/**\n * The base implementation of `_.assign` without support for argument juggling,\n * multiple sources, and `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\nfunction baseAssign(object, source) {\n return source == null\n ? object\n : baseCopy(source, keys(source), object);\n}\n\nmodule.exports = baseAssign;\n","var baseMatches = require(303),\n baseMatchesProperty = require(304),\n bindCallback = require(317),\n identity = require(386),\n property = require(388);\n\n/**\n * The base implementation of `_.callback` which supports specifying the\n * number of arguments to provide to `func`.\n *\n * @private\n * @param {*} [func=_.identity] The value to convert to a callback.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {number} [argCount] The number of arguments to provide to `func`.\n * @returns {Function} Returns the callback.\n */\nfunction baseCallback(func, thisArg, argCount) {\n var type = typeof func;\n if (type == 'function') {\n return thisArg === undefined\n ? func\n : bindCallback(func, thisArg, argCount);\n }\n if (func == null) {\n return identity;\n }\n if (type == 'object') {\n return baseMatches(func);\n }\n return thisArg === undefined\n ? property(func)\n : baseMatchesProperty(func, thisArg);\n}\n\nmodule.exports = baseCallback;\n","/**\n * The base implementation of `compareAscending` which compares values and\n * sorts them in ascending order without guaranteeing a stable sort.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\nfunction baseCompareAscending(value, other) {\n if (value !== other) {\n var valIsNull = value === null,\n valIsUndef = value === undefined,\n valIsReflexive = value === value;\n\n var othIsNull = other === null,\n othIsUndef = other === undefined,\n othIsReflexive = other === other;\n\n if ((value > other && !othIsNull) || !valIsReflexive ||\n (valIsNull && !othIsUndef && othIsReflexive) ||\n (valIsUndef && othIsReflexive)) {\n return 1;\n }\n if ((value < other && !valIsNull) || !othIsReflexive ||\n (othIsNull && !valIsUndef && valIsReflexive) ||\n (othIsUndef && valIsReflexive)) {\n return -1;\n }\n }\n return 0;\n}\n\nmodule.exports = baseCompareAscending;\n","/**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property names to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @returns {Object} Returns `object`.\n */\nfunction baseCopy(source, props, object) {\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n object[key] = source[key];\n }\n return object;\n}\n\nmodule.exports = baseCopy;\n","var isObject = require(372);\n\n/**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} prototype The object to inherit from.\n * @returns {Object} Returns the new object.\n */\nvar baseCreate = (function() {\n function object() {}\n return function(prototype) {\n if (isObject(prototype)) {\n object.prototype = prototype;\n var result = new object;\n object.prototype = undefined;\n }\n return result || {};\n };\n}());\n\nmodule.exports = baseCreate;\n","/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/**\n * The base implementation of `_.delay` and `_.defer` which accepts an index\n * of where to slice the arguments to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Object} args The arguments provide to `func`.\n * @returns {number} Returns the timer id.\n */\nfunction baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n}\n\nmodule.exports = baseDelay;\n","var baseIndexOf = require(297),\n cacheIndexOf = require(318),\n createCache = require(328);\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * The base implementation of `_.difference` which accepts a single array\n * of values to exclude.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n */\nfunction baseDifference(array, values) {\n var length = array ? array.length : 0,\n result = [];\n\n if (!length) {\n return result;\n }\n var index = -1,\n indexOf = baseIndexOf,\n isCommon = true,\n cache = (isCommon && values.length >= LARGE_ARRAY_SIZE) ? createCache(values) : null,\n valuesLength = values.length;\n\n if (cache) {\n indexOf = cacheIndexOf;\n isCommon = false;\n values = cache;\n }\n outer:\n while (++index < length) {\n var value = array[index];\n\n if (isCommon && value === value) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === value) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (indexOf(values, value, 0) < 0) {\n result.push(value);\n }\n }\n return result;\n}\n\nmodule.exports = baseDifference;\n","var baseForOwn = require(295),\n createBaseEach = require(325);\n\n/**\n * The base implementation of `_.forEach` without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object|string} Returns `collection`.\n */\nvar baseEach = createBaseEach(baseForOwn);\n\nmodule.exports = baseEach;\n","var baseEach = require(287);\n\n/**\n * The base implementation of `_.every` without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\nfunction baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n}\n\nmodule.exports = baseEvery;\n","var baseEach = require(287);\n\n/**\n * The base implementation of `_.filter` without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n}\n\nmodule.exports = baseFilter;\n","/**\n * The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,\n * without support for callback shorthands and `this` binding, which iterates\n * over `collection` using the provided `eachFunc`.\n *\n * @private\n * @param {Array|Object|string} collection The collection to search.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @param {boolean} [retKey] Specify returning the key of the found element\n * instead of the element itself.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\nfunction baseFind(collection, predicate, eachFunc, retKey) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = retKey ? key : value;\n return false;\n }\n });\n return result;\n}\n\nmodule.exports = baseFind;\n","/**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for callback shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to search.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction baseFindIndex(array, predicate, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n}\n\nmodule.exports = baseFindIndex;\n","var arrayPush = require(276),\n isArguments = require(367),\n isArray = require(368),\n isArrayLike = require(346),\n isObjectLike = require(352);\n\n/**\n * The base implementation of `_.flatten` with added support for restricting\n * flattening and specifying the start index.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {boolean} [isDeep] Specify a deep flatten.\n * @param {boolean} [isStrict] Restrict flattening to arrays-like objects.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\nfunction baseFlatten(array, isDeep, isStrict, result) {\n result || (result = []);\n\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index];\n if (isObjectLike(value) && isArrayLike(value) &&\n (isStrict || isArray(value) || isArguments(value))) {\n if (isDeep) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, isDeep, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n}\n\nmodule.exports = baseFlatten;\n","var createBaseFor = require(326);\n\n/**\n * The base implementation of `baseForIn` and `baseForOwn` which iterates\n * over `object` properties returned by `keysFunc` invoking `iteratee` for\n * each property. Iteratee functions may exit iteration early by explicitly\n * returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\nvar baseFor = createBaseFor();\n\nmodule.exports = baseFor;\n","var baseFor = require(293),\n keysIn = require(379);\n\n/**\n * The base implementation of `_.forIn` without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\nfunction baseForIn(object, iteratee) {\n return baseFor(object, iteratee, keysIn);\n}\n\nmodule.exports = baseForIn;\n","var baseFor = require(293),\n keys = require(378);\n\n/**\n * The base implementation of `_.forOwn` without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\nfunction baseForOwn(object, iteratee) {\n return baseFor(object, iteratee, keys);\n}\n\nmodule.exports = baseForOwn;\n","var toObject = require(364);\n\n/**\n * The base implementation of `get` without support for string paths\n * and default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path of the property to get.\n * @param {string} [pathKey] The key representation of path.\n * @returns {*} Returns the resolved value.\n */\nfunction baseGet(object, path, pathKey) {\n if (object == null) {\n return;\n }\n if (pathKey !== undefined && pathKey in toObject(object)) {\n path = [pathKey];\n }\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[path[index++]];\n }\n return (index && index == length) ? object : undefined;\n}\n\nmodule.exports = baseGet;\n","var indexOfNaN = require(345);\n\n/**\n * The base implementation of `_.indexOf` without support for binary searches.\n *\n * @private\n * @param {Array} array The array to search.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction baseIndexOf(array, value, fromIndex) {\n if (value !== value) {\n return indexOfNaN(array, fromIndex);\n }\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n}\n\nmodule.exports = baseIndexOf;\n","var baseIsEqualDeep = require(299),\n isObject = require(372),\n isObjectLike = require(352);\n\n/**\n * The base implementation of `_.isEqual` without support for `this` binding\n * `customizer` functions.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparing values.\n * @param {boolean} [isLoose] Specify performing partial comparisons.\n * @param {Array} [stackA] Tracks traversed `value` objects.\n * @param {Array} [stackB] Tracks traversed `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\nfunction baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);\n}\n\nmodule.exports = baseIsEqual;\n","var equalArrays = require(337),\n equalByTag = require(338),\n equalObjects = require(339),\n isArray = require(368),\n isTypedArray = require(375);\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n objectTag = '[object Object]';\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Function} [customizer] The function to customize comparing objects.\n * @param {boolean} [isLoose] Specify performing partial comparisons.\n * @param {Array} [stackA=[]] Tracks traversed `value` objects.\n * @param {Array} [stackB=[]] Tracks traversed `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = arrayTag,\n othTag = arrayTag;\n\n if (!objIsArr) {\n objTag = objToString.call(object);\n if (objTag == argsTag) {\n objTag = objectTag;\n } else if (objTag != objectTag) {\n objIsArr = isTypedArray(object);\n }\n }\n if (!othIsArr) {\n othTag = objToString.call(other);\n if (othTag == argsTag) {\n othTag = objectTag;\n } else if (othTag != objectTag) {\n othIsArr = isTypedArray(other);\n }\n }\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && !(objIsArr || objIsObj)) {\n return equalByTag(object, other, objTag);\n }\n if (!isLoose) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);\n }\n }\n if (!isSameTag) {\n return false;\n }\n // Assume cyclic values are equal.\n // For more information on detecting circular references see https://es5.github.io/#JO.\n stackA || (stackA = []);\n stackB || (stackB = []);\n\n var length = stackA.length;\n while (length--) {\n if (stackA[length] == object) {\n return stackB[length] == other;\n }\n }\n // Add `object` and `other` to the stack of traversed objects.\n stackA.push(object);\n stackB.push(other);\n\n var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);\n\n stackA.pop();\n stackB.pop();\n\n return result;\n}\n\nmodule.exports = baseIsEqualDeep;\n","var baseIsEqual = require(298),\n toObject = require(364);\n\n/**\n * The base implementation of `_.isMatch` without support for callback\n * shorthands and `this` binding.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} matchData The propery names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparing objects.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\nfunction baseIsMatch(object, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = toObject(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var result = customizer ? customizer(objValue, srcValue, key) : undefined;\n if (!(result === undefined ? baseIsEqual(srcValue, objValue, customizer, true) : result)) {\n return false;\n }\n }\n }\n return true;\n}\n\nmodule.exports = baseIsMatch;\n","/**\n * The function whose prototype all chaining wrappers inherit from.\n *\n * @private\n */\nfunction baseLodash() {\n // No operation performed.\n}\n\nmodule.exports = baseLodash;\n","var baseEach = require(287),\n isArrayLike = require(346);\n\n/**\n * The base implementation of `_.map` without support for callback shorthands\n * and `this` binding.\n *\n * @private\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\nfunction baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n}\n\nmodule.exports = baseMap;\n","var baseIsMatch = require(300),\n getMatchData = require(343),\n toObject = require(364);\n\n/**\n * The base implementation of `_.matches` which does not clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new function.\n */\nfunction baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n var key = matchData[0][0],\n value = matchData[0][1];\n\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === value && (value !== undefined || (key in toObject(object)));\n };\n }\n return function(object) {\n return baseIsMatch(object, matchData);\n };\n}\n\nmodule.exports = baseMatches;\n","var baseGet = require(296),\n baseIsEqual = require(298),\n baseSlice = require(311),\n isArray = require(368),\n isKey = require(349),\n isStrictComparable = require(353),\n last = require(246),\n toObject = require(364),\n toPath = require(365);\n\n/**\n * The base implementation of `_.matchesProperty` which does not clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to compare.\n * @returns {Function} Returns the new function.\n */\nfunction baseMatchesProperty(path, srcValue) {\n var isArr = isArray(path),\n isCommon = isKey(path) && isStrictComparable(srcValue),\n pathKey = (path + '');\n\n path = toPath(path);\n return function(object) {\n if (object == null) {\n return false;\n }\n var key = pathKey;\n object = toObject(object);\n if ((isArr || !isCommon) && !(key in object)) {\n object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));\n if (object == null) {\n return false;\n }\n key = last(path);\n object = toObject(object);\n }\n return object[key] === srcValue\n ? (srcValue !== undefined || (key in object))\n : baseIsEqual(srcValue, object[key], undefined, true);\n };\n}\n\nmodule.exports = baseMatchesProperty;\n","var arrayEach = require(272),\n baseMergeDeep = require(306),\n isArray = require(368),\n isArrayLike = require(346),\n isObject = require(372),\n isObjectLike = require(352),\n isTypedArray = require(375),\n keys = require(378);\n\n/**\n * The base implementation of `_.merge` without support for argument juggling,\n * multiple sources, and `this` binding `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Array} [stackA=[]] Tracks traversed source objects.\n * @param {Array} [stackB=[]] Associates values with source counterparts.\n * @returns {Object} Returns `object`.\n */\nfunction baseMerge(object, source, customizer, stackA, stackB) {\n if (!isObject(object)) {\n return object;\n }\n var isSrcArr = isArrayLike(source) && (isArray(source) || isTypedArray(source)),\n props = isSrcArr ? undefined : keys(source);\n\n arrayEach(props || source, function(srcValue, key) {\n if (props) {\n key = srcValue;\n srcValue = source[key];\n }\n if (isObjectLike(srcValue)) {\n stackA || (stackA = []);\n stackB || (stackB = []);\n baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);\n }\n else {\n var value = object[key],\n result = customizer ? customizer(value, srcValue, key, object, source) : undefined,\n isCommon = result === undefined;\n\n if (isCommon) {\n result = srcValue;\n }\n if ((result !== undefined || (isSrcArr && !(key in object))) &&\n (isCommon || (result === result ? (result !== value) : (value === value)))) {\n object[key] = result;\n }\n }\n });\n return object;\n}\n\nmodule.exports = baseMerge;\n","var arrayCopy = require(271),\n isArguments = require(367),\n isArray = require(368),\n isArrayLike = require(346),\n isPlainObject = require(373),\n isTypedArray = require(375),\n toPlainObject = require(376);\n\n/**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Array} [stackA=[]] Tracks traversed source objects.\n * @param {Array} [stackB=[]] Associates values with source counterparts.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {\n var length = stackA.length,\n srcValue = source[key];\n\n while (length--) {\n if (stackA[length] == srcValue) {\n object[key] = stackB[length];\n return;\n }\n }\n var value = object[key],\n result = customizer ? customizer(value, srcValue, key, object, source) : undefined,\n isCommon = result === undefined;\n\n if (isCommon) {\n result = srcValue;\n if (isArrayLike(srcValue) && (isArray(srcValue) || isTypedArray(srcValue))) {\n result = isArray(value)\n ? value\n : (isArrayLike(value) ? arrayCopy(value) : []);\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n result = isArguments(value)\n ? toPlainObject(value)\n : (isPlainObject(value) ? value : {});\n }\n else {\n isCommon = false;\n }\n }\n // Add the source value to the stack of traversed objects and associate\n // it with its merged value.\n stackA.push(srcValue);\n stackB.push(result);\n\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);\n } else if (result === result ? (result !== value) : (value === value)) {\n object[key] = result;\n }\n}\n\nmodule.exports = baseMergeDeep;\n","/**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new function.\n */\nfunction baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n}\n\nmodule.exports = baseProperty;\n","var baseGet = require(296),\n toPath = require(365);\n\n/**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new function.\n */\nfunction basePropertyDeep(path) {\n var pathKey = (path + '');\n path = toPath(path);\n return function(object) {\n return baseGet(object, path, pathKey);\n };\n}\n\nmodule.exports = basePropertyDeep;\n","/**\n * The base implementation of `_.reduce` and `_.reduceRight` without support\n * for callback shorthands and `this` binding, which iterates over `collection`\n * using the provided `eachFunc`.\n *\n * @private\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initFromCollection Specify using the first or last element\n * of `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\nfunction baseReduce(collection, iteratee, accumulator, initFromCollection, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initFromCollection\n ? (initFromCollection = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n}\n\nmodule.exports = baseReduce;\n","var identity = require(386),\n metaMap = require(355);\n\n/**\n * The base implementation of `setData` without support for hot loop detection.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\nvar baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n};\n\nmodule.exports = baseSetData;\n","/**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\nfunction baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n start = start == null ? 0 : (+start || 0);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : (+end || 0);\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n}\n\nmodule.exports = baseSlice;\n","var baseEach = require(287);\n\n/**\n * The base implementation of `_.some` without support for callback shorthands\n * and `this` binding.\n *\n * @private\n * @param {Array|Object|string} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\nfunction baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n}\n\nmodule.exports = baseSome;\n","/**\n * The base implementation of `_.sortBy` which uses `comparer` to define\n * the sort order of `array` and replaces criteria objects with their\n * corresponding values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\nfunction baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n}\n\nmodule.exports = baseSortBy;\n","/**\n * Converts `value` to a string if it's not one. An empty string is returned\n * for `null` or `undefined` values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\nfunction baseToString(value) {\n return value == null ? '' : (value + '');\n}\n\nmodule.exports = baseToString;\n","var baseIndexOf = require(297),\n cacheIndexOf = require(318),\n createCache = require(328);\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * The base implementation of `_.uniq` without support for callback shorthands\n * and `this` binding.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The function invoked per iteration.\n * @returns {Array} Returns the new duplicate free array.\n */\nfunction baseUniq(array, iteratee) {\n var index = -1,\n indexOf = baseIndexOf,\n length = array.length,\n isCommon = true,\n isLarge = isCommon && length >= LARGE_ARRAY_SIZE,\n seen = isLarge ? createCache() : null,\n result = [];\n\n if (seen) {\n indexOf = cacheIndexOf;\n isCommon = false;\n } else {\n isLarge = false;\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value, index, array) : value;\n\n if (isCommon && value === value) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (indexOf(seen, computed, 0) < 0) {\n if (iteratee || isLarge) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n}\n\nmodule.exports = baseUniq;\n","/**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\nfunction baseValues(object, props) {\n var index = -1,\n length = props.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = object[props[index]];\n }\n return result;\n}\n\nmodule.exports = baseValues;\n","var identity = require(386);\n\n/**\n * A specialized version of `baseCallback` which only supports `this` binding\n * and specifying the number of arguments to provide to `func`.\n *\n * @private\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {number} [argCount] The number of arguments to provide to `func`.\n * @returns {Function} Returns the callback.\n */\nfunction bindCallback(func, thisArg, argCount) {\n if (typeof func != 'function') {\n return identity;\n }\n if (thisArg === undefined) {\n return func;\n }\n switch (argCount) {\n case 1: return function(value) {\n return func.call(thisArg, value);\n };\n case 3: return function(value, index, collection) {\n return func.call(thisArg, value, index, collection);\n };\n case 4: return function(accumulator, value, index, collection) {\n return func.call(thisArg, accumulator, value, index, collection);\n };\n case 5: return function(value, other, key, object, source) {\n return func.call(thisArg, value, other, key, object, source);\n };\n }\n return function() {\n return func.apply(thisArg, arguments);\n };\n}\n\nmodule.exports = bindCallback;\n","var isObject = require(372);\n\n/**\n * Checks if `value` is in `cache` mimicking the return signature of\n * `_.indexOf` by returning `0` if the value is found, else `-1`.\n *\n * @private\n * @param {Object} cache The cache to search.\n * @param {*} value The value to search for.\n * @returns {number} Returns `0` if `value` is found, else `-1`.\n */\nfunction cacheIndexOf(cache, value) {\n var data = cache.data,\n result = (typeof value == 'string' || isObject(value)) ? data.set.has(value) : data.hash[value];\n\n return result ? 0 : -1;\n}\n\nmodule.exports = cacheIndexOf;\n","var isObject = require(372);\n\n/**\n * Adds `value` to the cache.\n *\n * @private\n * @name push\n * @memberOf SetCache\n * @param {*} value The value to cache.\n */\nfunction cachePush(value) {\n var data = this.data;\n if (typeof value == 'string' || isObject(value)) {\n data.set.add(value);\n } else {\n data.hash[value] = true;\n }\n}\n\nmodule.exports = cachePush;\n","var baseCompareAscending = require(282);\n\n/**\n * Used by `_.sortBy` to compare transformed elements of a collection and stable\n * sort them in ascending order.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @returns {number} Returns the sort order indicator for `object`.\n */\nfunction compareAscending(object, other) {\n return baseCompareAscending(object.criteria, other.criteria) || (object.index - other.index);\n}\n\nmodule.exports = compareAscending;\n","/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array|Object} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @returns {Array} Returns the new array of composed arguments.\n */\nfunction composeArgs(args, partials, holders) {\n var holdersLength = holders.length,\n argsIndex = -1,\n argsLength = nativeMax(args.length - holdersLength, 0),\n leftIndex = -1,\n leftLength = partials.length,\n result = Array(leftLength + argsLength);\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n while (argsLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n}\n\nmodule.exports = composeArgs;\n","/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array|Object} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @returns {Array} Returns the new array of composed arguments.\n */\nfunction composeArgsRight(args, partials, holders) {\n var holdersIndex = -1,\n holdersLength = holders.length,\n argsIndex = -1,\n argsLength = nativeMax(args.length - holdersLength, 0),\n rightIndex = -1,\n rightLength = partials.length,\n result = Array(argsLength + rightLength);\n\n while (++argsIndex < argsLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n return result;\n}\n\nmodule.exports = composeArgsRight;\n","var baseCallback = require(281),\n baseEach = require(287),\n isArray = require(368);\n\n/**\n * Creates a `_.countBy`, `_.groupBy`, `_.indexBy`, or `_.partition` function.\n *\n * @private\n * @param {Function} setter The function to set keys and values of the accumulator object.\n * @param {Function} [initializer] The function to initialize the accumulator object.\n * @returns {Function} Returns the new aggregator function.\n */\nfunction createAggregator(setter, initializer) {\n return function(collection, iteratee, thisArg) {\n var result = initializer ? initializer() : {};\n iteratee = baseCallback(iteratee, thisArg, 3);\n\n if (isArray(collection)) {\n var index = -1,\n length = collection.length;\n\n while (++index < length) {\n var value = collection[index];\n setter(result, value, iteratee(value, index, collection), collection);\n }\n } else {\n baseEach(collection, function(value, key, collection) {\n setter(result, value, iteratee(value, key, collection), collection);\n });\n }\n return result;\n };\n}\n\nmodule.exports = createAggregator;\n","var bindCallback = require(317),\n isIterateeCall = require(348),\n restParam = require(267);\n\n/**\n * Creates a `_.assign`, `_.defaults`, or `_.merge` function.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\nfunction createAssigner(assigner) {\n return restParam(function(object, sources) {\n var index = -1,\n length = object == null ? 0 : sources.length,\n customizer = length > 2 ? sources[length - 2] : undefined,\n guard = length > 2 ? sources[2] : undefined,\n thisArg = length > 1 ? sources[length - 1] : undefined;\n\n if (typeof customizer == 'function') {\n customizer = bindCallback(customizer, thisArg, 5);\n length -= 2;\n } else {\n customizer = typeof thisArg == 'function' ? thisArg : undefined;\n length -= (customizer ? 1 : 0);\n }\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, customizer);\n }\n }\n return object;\n });\n}\n\nmodule.exports = createAssigner;\n","var getLength = require(342),\n isLength = require(351),\n toObject = require(364);\n\n/**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n var length = collection ? getLength(collection) : 0;\n if (!isLength(length)) {\n return eachFunc(collection, iteratee);\n }\n var index = fromRight ? length : -1,\n iterable = toObject(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n}\n\nmodule.exports = createBaseEach;\n","var toObject = require(364);\n\n/**\n * Creates a base function for `_.forIn` or `_.forInRight`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var iterable = toObject(object),\n props = keysFunc(object),\n length = props.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length)) {\n var key = props[index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n}\n\nmodule.exports = createBaseFor;\n","var createCtorWrapper = require('./createCtorWrapper');\n\n/**\n * Creates a function that wraps `func` and invokes it with the `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to bind.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new bound function.\n */\nfunction createBindWrapper(func, thisArg) {\n var Ctor = createCtorWrapper(func);\n\n function wrapper() {\n var fn = (this && this !== global && this instanceof wrapper) ? Ctor : func;\n return fn.apply(thisArg, arguments);\n }\n return wrapper;\n}\n\nmodule.exports = createBindWrapper;\n","var SetCache = require('./SetCache'),\n getNative = require('./getNative');\n\n/** Native method references. */\nvar Set = getNative(global, 'Set');\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeCreate = getNative(Object, 'create');\n\n/**\n * Creates a `Set` cache object to optimize linear searches of large arrays.\n *\n * @private\n * @param {Array} [values] The values to cache.\n * @returns {null|Object} Returns the new cache object if `Set` is supported, else `null`.\n */\nfunction createCache(values) {\n return (nativeCreate && Set) ? new SetCache(values) : null;\n}\n\nmodule.exports = createCache;\n","var baseCreate = require(284),\n isObject = require(372);\n\n/**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\nfunction createCtorWrapper(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors.\n // See http://ecma-international.org/ecma-262/6.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n}\n\nmodule.exports = createCtorWrapper;\n","var baseCallback = require(281),\n baseFind = require(290),\n baseFindIndex = require(291),\n isArray = require(368);\n\n/**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new find function.\n */\nfunction createFind(eachFunc, fromRight) {\n return function(collection, predicate, thisArg) {\n predicate = baseCallback(predicate, thisArg, 3);\n if (isArray(collection)) {\n var index = baseFindIndex(collection, predicate, fromRight);\n return index > -1 ? collection[index] : undefined;\n }\n return baseFind(collection, predicate, eachFunc);\n };\n}\n\nmodule.exports = createFind;\n","var baseCallback = require(281),\n baseFindIndex = require(291);\n\n/**\n * Creates a `_.findIndex` or `_.findLastIndex` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new find function.\n */\nfunction createFindIndex(fromRight) {\n return function(array, predicate, thisArg) {\n if (!(array && array.length)) {\n return -1;\n }\n predicate = baseCallback(predicate, thisArg, 3);\n return baseFindIndex(array, predicate, fromRight);\n };\n}\n\nmodule.exports = createFindIndex;\n","var bindCallback = require(317),\n isArray = require(368);\n\n/**\n * Creates a function for `_.forEach` or `_.forEachRight`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over an array.\n * @param {Function} eachFunc The function to iterate over a collection.\n * @returns {Function} Returns the new each function.\n */\nfunction createForEach(arrayFunc, eachFunc) {\n return function(collection, iteratee, thisArg) {\n return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))\n ? arrayFunc(collection, iteratee)\n : eachFunc(collection, bindCallback(iteratee, thisArg, 3));\n };\n}\n\nmodule.exports = createForEach;\n","var arrayCopy = require('./arrayCopy'),\n composeArgs = require('./composeArgs'),\n composeArgsRight = require('./composeArgsRight'),\n createCtorWrapper = require('./createCtorWrapper'),\n isLaziable = require('./isLaziable'),\n reorder = require('./reorder'),\n replaceHolders = require('./replaceHolders'),\n setData = require('./setData');\n\n/** Used to compose bitmasks for wrapper metadata. */\nvar BIND_FLAG = 1,\n BIND_KEY_FLAG = 2,\n CURRY_BOUND_FLAG = 4,\n CURRY_FLAG = 8,\n CURRY_RIGHT_FLAG = 16,\n PARTIAL_FLAG = 32,\n PARTIAL_RIGHT_FLAG = 64,\n ARY_FLAG = 128;\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * Creates a function that wraps `func` and invokes it with optional `this`\n * binding of, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to reference.\n * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\nfunction createHybridWrapper(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & ARY_FLAG,\n isBind = bitmask & BIND_FLAG,\n isBindKey = bitmask & BIND_KEY_FLAG,\n isCurry = bitmask & CURRY_FLAG,\n isCurryBound = bitmask & CURRY_BOUND_FLAG,\n isCurryRight = bitmask & CURRY_RIGHT_FLAG,\n Ctor = isBindKey ? undefined : createCtorWrapper(func);\n\n function wrapper() {\n // Avoid `arguments` object use disqualifying optimizations by\n // converting it to an array before providing it to other functions.\n var length = arguments.length,\n index = length,\n args = Array(length);\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (partials) {\n args = composeArgs(args, partials, holders);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight);\n }\n if (isCurry || isCurryRight) {\n var placeholder = wrapper.placeholder,\n argsHolders = replaceHolders(args, placeholder);\n\n length -= argsHolders.length;\n if (length < arity) {\n var newArgPos = argPos ? arrayCopy(argPos) : undefined,\n newArity = nativeMax(arity - length, 0),\n newsHolders = isCurry ? argsHolders : undefined,\n newHoldersRight = isCurry ? undefined : argsHolders,\n newPartials = isCurry ? args : undefined,\n newPartialsRight = isCurry ? undefined : args;\n\n bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);\n\n if (!isCurryBound) {\n bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);\n }\n var newData = [func, bitmask, thisArg, newPartials, newsHolders, newPartialsRight, newHoldersRight, newArgPos, ary, newArity],\n result = createHybridWrapper.apply(undefined, newData);\n\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return result;\n }\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n if (argPos) {\n args = reorder(args, argPos);\n }\n if (isAry && ary < args.length) {\n args.length = ary;\n }\n if (this && this !== global && this instanceof wrapper) {\n fn = Ctor || createCtorWrapper(func);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n}\n\nmodule.exports = createHybridWrapper;\n","var createCtorWrapper = require('./createCtorWrapper');\n\n/** Used to compose bitmasks for wrapper metadata. */\nvar BIND_FLAG = 1;\n\n/**\n * Creates a function that wraps `func` and invokes it with the optional `this`\n * binding of `thisArg` and the `partials` prepended to those provided to\n * the wrapper.\n *\n * @private\n * @param {Function} func The function to partially apply arguments to.\n * @param {number} bitmask The bitmask of flags. See `createWrapper` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to the new function.\n * @returns {Function} Returns the new bound function.\n */\nfunction createPartialWrapper(func, bitmask, thisArg, partials) {\n var isBind = bitmask & BIND_FLAG,\n Ctor = createCtorWrapper(func);\n\n function wrapper() {\n // Avoid `arguments` object use disqualifying optimizations by\n // converting it to an array before providing it `func`.\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength);\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n var fn = (this && this !== global && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, args);\n }\n return wrapper;\n}\n\nmodule.exports = createPartialWrapper;\n","var baseCallback = require(281),\n baseReduce = require(309),\n isArray = require(368);\n\n/**\n * Creates a function for `_.reduce` or `_.reduceRight`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over an array.\n * @param {Function} eachFunc The function to iterate over a collection.\n * @returns {Function} Returns the new each function.\n */\nfunction createReduce(arrayFunc, eachFunc) {\n return function(collection, iteratee, accumulator, thisArg) {\n var initFromArray = arguments.length < 3;\n return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))\n ? arrayFunc(collection, iteratee, accumulator, initFromArray)\n : baseReduce(collection, baseCallback(iteratee, thisArg, 4), accumulator, initFromArray, eachFunc);\n };\n}\n\nmodule.exports = createReduce;\n","var baseSetData = require(310),\n createBindWrapper = require(327),\n createHybridWrapper = require(333),\n createPartialWrapper = require(334),\n getData = require(340),\n mergeData = require(354),\n setData = require(361);\n\n/** Used to compose bitmasks for wrapper metadata. */\nvar BIND_FLAG = 1,\n BIND_KEY_FLAG = 2,\n PARTIAL_FLAG = 32,\n PARTIAL_RIGHT_FLAG = 64;\n\n/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMax = Math.max;\n\n/**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to reference.\n * @param {number} bitmask The bitmask of flags.\n * The bitmask may be composed of the following flags:\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\nfunction createWrapper(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n length -= (holders ? holders.length : 0);\n if (bitmask & PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func),\n newData = [func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity];\n\n if (data) {\n mergeData(newData, data);\n bitmask = newData[1];\n arity = newData[9];\n }\n newData[9] = arity == null\n ? (isBindKey ? 0 : func.length)\n : (nativeMax(arity - length, 0) || 0);\n\n if (bitmask == BIND_FLAG) {\n var result = createBindWrapper(newData[0], newData[2]);\n } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !newData[4].length) {\n result = createPartialWrapper.apply(undefined, newData);\n } else {\n result = createHybridWrapper.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setter(result, newData);\n}\n\nmodule.exports = createWrapper;\n","var arraySome = require(278);\n\n/**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Function} [customizer] The function to customize comparing arrays.\n * @param {boolean} [isLoose] Specify performing partial comparisons.\n * @param {Array} [stackA] Tracks traversed `value` objects.\n * @param {Array} [stackB] Tracks traversed `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\nfunction equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {\n var index = -1,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isLoose && othLength > arrLength)) {\n return false;\n }\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index],\n result = customizer ? customizer(isLoose ? othValue : arrValue, isLoose ? arrValue : othValue, index) : undefined;\n\n if (result !== undefined) {\n if (result) {\n continue;\n }\n return false;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (isLoose) {\n if (!arraySome(other, function(othValue) {\n return arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);\n })) {\n return false;\n }\n } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB))) {\n return false;\n }\n }\n return true;\n}\n\nmodule.exports = equalArrays;\n","/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n errorTag = '[object Error]',\n numberTag = '[object Number]',\n regexpTag = '[object RegExp]',\n stringTag = '[object String]';\n\n/**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalByTag(object, other, tag) {\n switch (tag) {\n case boolTag:\n case dateTag:\n // Coerce dates and booleans to numbers, dates to milliseconds and booleans\n // to `1` or `0` treating invalid dates coerced to `NaN` as not equal.\n return +object == +other;\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case numberTag:\n // Treat `NaN` vs. `NaN` as equal.\n return (object != +object)\n ? other != +other\n : object == +other;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings primitives and string\n // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.\n return object == (other + '');\n }\n return false;\n}\n\nmodule.exports = equalByTag;\n","var keys = require(378);\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Function} [customizer] The function to customize comparing values.\n * @param {boolean} [isLoose] Specify performing partial comparisons.\n * @param {Array} [stackA] Tracks traversed `value` objects.\n * @param {Array} [stackB] Tracks traversed `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {\n var objProps = keys(object),\n objLength = objProps.length,\n othProps = keys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isLoose) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isLoose ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n var skipCtor = isLoose;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key],\n result = customizer ? customizer(isLoose ? othValue : objValue, isLoose? objValue : othValue, key) : undefined;\n\n // Recursively compare objects (susceptible to call stack limits).\n if (!(result === undefined ? equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB) : result)) {\n return false;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (!skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n return false;\n }\n }\n return true;\n}\n\nmodule.exports = equalObjects;\n","var metaMap = require(355),\n noop = require(387);\n\n/**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\nvar getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n};\n\nmodule.exports = getData;\n","var realNames = require(358);\n\n/**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\nfunction getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = array ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n}\n\nmodule.exports = getFuncName;\n","var baseProperty = require(307);\n\n/**\n * Gets the \"length\" property value of `object`.\n *\n * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)\n * that affects Safari on at least iOS 8.1-8.3 ARM64.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {*} Returns the \"length\" value.\n */\nvar getLength = baseProperty('length');\n\nmodule.exports = getLength;\n","var isStrictComparable = require(353),\n pairs = require(382);\n\n/**\n * Gets the propery names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\nfunction getMatchData(object) {\n var result = pairs(object),\n length = result.length;\n\n while (length--) {\n result[length][2] = isStrictComparable(result[length][1]);\n }\n return result;\n}\n\nmodule.exports = getMatchData;\n","var isNative = require(370);\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n var value = object == null ? undefined : object[key];\n return isNative(value) ? value : undefined;\n}\n\nmodule.exports = getNative;\n","/**\n * Gets the index at which the first occurrence of `NaN` is found in `array`.\n *\n * @private\n * @param {Array} array The array to search.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched `NaN`, else `-1`.\n */\nfunction indexOfNaN(array, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 0 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n var other = array[index];\n if (other !== other) {\n return index;\n }\n }\n return -1;\n}\n\nmodule.exports = indexOfNaN;\n","var getLength = require(342),\n isLength = require(351);\n\n/**\n * Checks if `value` is array-like.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n */\nfunction isArrayLike(value) {\n return value != null && isLength(getLength(value));\n}\n\nmodule.exports = isArrayLike;\n","/** Used to detect unsigned integer values. */\nvar reIsUint = /^/d+$/;\n\n/**\n * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)\n * of an array-like value.\n */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;\n length = length == null ? MAX_SAFE_INTEGER : length;\n return value > -1 && value % 1 == 0 && value < length;\n}\n\nmodule.exports = isIndex;\n","var isArrayLike = require(346),\n isIndex = require(347),\n isObject = require(372);\n\n/**\n * Checks if the provided arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.\n */\nfunction isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)) {\n var other = object[index];\n return value === value ? (value === other) : (other !== other);\n }\n return false;\n}\n\nmodule.exports = isIterateeCall;\n","var isArray = require(368),\n toObject = require(364);\n\n/** Used to match property names within property paths. */\nvar reIsDeepProp = //.|/[(?:[^[/]]*|([\"'])(?:(?!/1)[^/n//]|//.)*?/1)/]/,\n reIsPlainProp = /^/w*$/;\n\n/**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\nfunction isKey(value, object) {\n var type = typeof value;\n if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {\n return true;\n }\n if (isArray(value)) {\n return false;\n }\n var result = !reIsDeepProp.test(value);\n return result || (object != null && value in toObject(object));\n}\n\nmodule.exports = isKey;\n","var LazyWrapper = require(268),\n getData = require(340),\n getFuncName = require(341),\n lodash = require(250);\n\n/**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart, else `false`.\n */\nfunction isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n}\n\nmodule.exports = isLaziable;\n","/**\n * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)\n * of an array-like value.\n */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n */\nfunction isLength(value) {\n return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\nmodule.exports = isLength;\n","/**\n * Checks if `value` is object-like.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n */\nfunction isObjectLike(value) {\n return !!value && typeof value == 'object';\n}\n\nmodule.exports = isObjectLike;\n","var isObject = require(372);\n\n/**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\nfunction isStrictComparable(value) {\n return value === value && !isObject(value);\n}\n\nmodule.exports = isStrictComparable;\n","var arrayCopy = require(271),\n composeArgs = require(321),\n composeArgsRight = require(322),\n replaceHolders = require(360);\n\n/** Used to compose bitmasks for wrapper metadata. */\nvar BIND_FLAG = 1,\n CURRY_BOUND_FLAG = 4,\n CURRY_FLAG = 8,\n ARY_FLAG = 128,\n REARG_FLAG = 256;\n\n/** Used as the internal argument placeholder. */\nvar PLACEHOLDER = '__lodash_placeholder__';\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMin = Math.min;\n\n/**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers required to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and `_.rearg`\n * augment function arguments, making the order in which they are executed important,\n * preventing the merging of metadata. However, we make an exception for a safe\n * common case where curried functions have `_.ary` and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\nfunction mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < ARY_FLAG;\n\n var isCombo =\n (srcBitmask == ARY_FLAG && bitmask == CURRY_FLAG) ||\n (srcBitmask == ARY_FLAG && bitmask == REARG_FLAG && data[7].length <= source[8]) ||\n (srcBitmask == (ARY_FLAG | REARG_FLAG) && bitmask == CURRY_FLAG);\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= (bitmask & BIND_FLAG) ? 0 : CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : arrayCopy(value);\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : arrayCopy(source[4]);\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : arrayCopy(value);\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : arrayCopy(source[6]);\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = arrayCopy(value);\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n}\n\nmodule.exports = mergeData;\n","var getNative = require('./getNative');\n\n/** Native method references. */\nvar WeakMap = getNative(global, 'WeakMap');\n\n/** Used to store function metadata. */\nvar metaMap = WeakMap && new WeakMap;\n\nmodule.exports = metaMap;\n","var toObject = require(364);\n\n/**\n * A specialized version of `_.pick` which picks `object` properties specified\n * by `props`.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} props The property names to pick.\n * @returns {Object} Returns the new object.\n */\nfunction pickByArray(object, props) {\n object = toObject(object);\n\n var index = -1,\n length = props.length,\n result = {};\n\n while (++index < length) {\n var key = props[index];\n if (key in object) {\n result[key] = object[key];\n }\n }\n return result;\n}\n\nmodule.exports = pickByArray;\n","var baseForIn = require(294);\n\n/**\n * A specialized version of `_.pick` which picks `object` properties `predicate`\n * returns truthy for.\n *\n * @private\n * @param {Object} object The source object.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Object} Returns the new object.\n */\nfunction pickByCallback(object, predicate) {\n var result = {};\n baseForIn(object, function(value, key, object) {\n if (predicate(value, key, object)) {\n result[key] = value;\n }\n });\n return result;\n}\n\nmodule.exports = pickByCallback;\n","/** Used to lookup unminified function names. */\nvar realNames = {};\n\nmodule.exports = realNames;\n","var arrayCopy = require(271),\n isIndex = require(347);\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeMin = Math.min;\n\n/**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\nfunction reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = arrayCopy(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n}\n\nmodule.exports = reorder;\n","/** Used as the internal argument placeholder. */\nvar PLACEHOLDER = '__lodash_placeholder__';\n\n/**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\nfunction replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = -1,\n result = [];\n\n while (++index < length) {\n if (array[index] === placeholder) {\n array[index] = PLACEHOLDER;\n result[++resIndex] = index;\n }\n }\n return result;\n}\n\nmodule.exports = replaceHolders;\n","var baseSetData = require(310),\n now = require(263);\n\n/** Used to detect when a function becomes hot. */\nvar HOT_COUNT = 150,\n HOT_SPAN = 16;\n\n/**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity function\n * to avoid garbage collection pauses in V8. See [V8 issue 2070](https://code.google.com/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\nvar setData = (function() {\n var count = 0,\n lastCalled = 0;\n\n return function(key, value) {\n var stamp = now(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return key;\n }\n } else {\n count = 0;\n }\n return baseSetData(key, value);\n };\n}());\n\nmodule.exports = setData;\n","var isArguments = require(367),\n isArray = require(368),\n isIndex = require(347),\n isLength = require(351),\n keysIn = require(379);\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A fallback implementation of `Object.keys` which creates an array of the\n * own enumerable property names of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction shimKeys(object) {\n var props = keysIn(object),\n propsLength = props.length,\n length = propsLength && object.length;\n\n var allowIndexes = !!length && isLength(length) &&\n (isArray(object) || isArguments(object));\n\n var index = -1,\n result = [];\n\n while (++index < propsLength) {\n var key = props[index];\n if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {\n result.push(key);\n }\n }\n return result;\n}\n\nmodule.exports = shimKeys;\n","/**\n * An implementation of `_.uniq` optimized for sorted arrays without support\n * for callback shorthands and `this` binding.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The function invoked per iteration.\n * @returns {Array} Returns the new duplicate free array.\n */\nfunction sortedUniq(array, iteratee) {\n var seen,\n index = -1,\n length = array.length,\n resIndex = -1,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value, index, array) : value;\n\n if (!index || seen !== computed) {\n seen = computed;\n result[++resIndex] = value;\n }\n }\n return result;\n}\n\nmodule.exports = sortedUniq;\n","var isObject = require(372);\n\n/**\n * Converts `value` to an object if it's not one.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {Object} Returns the object.\n */\nfunction toObject(value) {\n return isObject(value) ? value : Object(value);\n}\n\nmodule.exports = toObject;\n","var baseToString = require(314),\n isArray = require(368);\n\n/** Used to match property names within property paths. */\nvar rePropName = /[^.[/]]+|/[(?:(-?/d+(?:/./d+)?)|([\"'])((?:(?!/2)[^/n//]|//.)*?)/2)/]/g;\n\n/** Used to match backslashes in property paths. */\nvar reEscapeChar = ///(//)?/g;\n\n/**\n * Converts `value` to property path array if it's not one.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {Array} Returns the property path array.\n */\nfunction toPath(value) {\n if (isArray(value)) {\n return value;\n }\n var result = [];\n baseToString(value).replace(rePropName, function(match, number, quote, string) {\n result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n}\n\nmodule.exports = toPath;\n","var LazyWrapper = require(268),\n LodashWrapper = require(269),\n arrayCopy = require(271);\n\n/**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\nfunction wrapperClone(wrapper) {\n return wrapper instanceof LazyWrapper\n ? wrapper.clone()\n : new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__, arrayCopy(wrapper.__actions__));\n}\n\nmodule.exports = wrapperClone;\n","var isArrayLike = require(346),\n isObjectLike = require(352);\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Native method references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/**\n * Checks if `value` is classified as an `arguments` object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\nfunction isArguments(value) {\n return isObjectLike(value) && isArrayLike(value) &&\n hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');\n}\n\nmodule.exports = isArguments;\n","var getNative = require(344),\n isLength = require(351),\n isObjectLike = require(352);\n\n/** `Object#toString` result references. */\nvar arrayTag = '[object Array]';\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeIsArray = getNative(Array, 'isArray');\n\n/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(function() { return arguments; }());\n * // => false\n */\nvar isArray = nativeIsArray || function(value) {\n return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;\n};\n\nmodule.exports = isArray;\n","var isObject = require(372);\n\n/** `Object#toString` result references. */\nvar funcTag = '[object Function]';\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in older versions of Chrome and Safari which return 'function' for regexes\n // and Safari 8 which returns 'object' for typed array constructors.\n return isObject(value) && objToString.call(value) == funcTag;\n}\n\nmodule.exports = isFunction;\n","var isFunction = require(369),\n isObjectLike = require(352);\n\n/** Used to detect host constructors (Safari > 5). */\nvar reIsHostCtor = /^/[object .+?Constructor/]$/;\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar fnToString = Function.prototype.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n fnToString.call(hasOwnProperty).replace(/[//^$.*+?()[/]{}|]/g, '//$&')\n .replace(/hasOwnProperty|(function).*?(?=///()| for .+?(?=///])/g, '$1.*?') + '$'\n);\n\n/**\n * Checks if `value` is a native function.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function, else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\nfunction isNative(value) {\n if (value == null) {\n return false;\n }\n if (isFunction(value)) {\n return reIsNative.test(fnToString.call(value));\n }\n return isObjectLike(value) && reIsHostCtor.test(value);\n}\n\nmodule.exports = isNative;\n","var isObjectLike = require(352);\n\n/** `Object#toString` result references. */\nvar numberTag = '[object Number]';\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are classified\n * as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isNumber(8.4);\n * // => true\n *\n * _.isNumber(NaN);\n * // => true\n *\n * _.isNumber('8.4');\n * // => false\n */\nfunction isNumber(value) {\n return typeof value == 'number' || (isObjectLike(value) && objToString.call(value) == numberTag);\n}\n\nmodule.exports = isNumber;\n","/**\n * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.\n * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(1);\n * // => false\n */\nfunction isObject(value) {\n // Avoid a V8 JIT bug in Chrome 19-20.\n // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.\n var type = typeof value;\n return !!value && (type == 'object' || type == 'function');\n}\n\nmodule.exports = isObject;\n","var baseForIn = require(294),\n isArguments = require(367),\n isObjectLike = require(352);\n\n/** `Object#toString` result references. */\nvar objectTag = '[object Object]';\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * **Note:** This method assumes objects created by the `Object` constructor\n * have no inherited enumerable properties.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\nfunction isPlainObject(value) {\n var Ctor;\n\n // Exit early for non `Object` objects.\n if (!(isObjectLike(value) && objToString.call(value) == objectTag && !isArguments(value)) ||\n (!hasOwnProperty.call(value, 'constructor') && (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {\n return false;\n }\n // IE < 9 iterates inherited properties before own properties. If the first\n // iterated property is an object's own property then there are no inherited\n // enumerable properties.\n var result;\n // In most environments an object's own properties are iterated before\n // its inherited properties. If the last iterated property is an object's\n // own property then there are no inherited enumerable properties.\n baseForIn(value, function(subValue, key) {\n result = key;\n });\n return result === undefined || hasOwnProperty.call(value, result);\n}\n\nmodule.exports = isPlainObject;\n","var isObjectLike = require(352);\n\n/** `Object#toString` result references. */\nvar stringTag = '[object String]';\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\nfunction isString(value) {\n return typeof value == 'string' || (isObjectLike(value) && objToString.call(value) == stringTag);\n}\n\nmodule.exports = isString;\n","var isLength = require(351),\n isObjectLike = require(352);\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n objectTag = '[object Object]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n/** Used to identify `toStringTag` values of typed arrays. */\nvar typedArrayTags = {};\ntypedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\ntypedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\ntypedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\ntypedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\ntypedArrayTags[uint32Tag] = true;\ntypedArrayTags[argsTag] = typedArrayTags[arrayTag] =\ntypedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\ntypedArrayTags[dateTag] = typedArrayTags[errorTag] =\ntypedArrayTags[funcTag] = typedArrayTags[mapTag] =\ntypedArrayTags[numberTag] = typedArrayTags[objectTag] =\ntypedArrayTags[regexpTag] = typedArrayTags[setTag] =\ntypedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar objToString = objectProto.toString;\n\n/**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\nfunction isTypedArray(value) {\n return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];\n}\n\nmodule.exports = isTypedArray;\n","var baseCopy = require(283),\n keysIn = require(379);\n\n/**\n * Converts `value` to a plain object flattening inherited enumerable\n * properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\nfunction toPlainObject(value) {\n return baseCopy(value, keysIn(value));\n}\n\nmodule.exports = toPlainObject;\n","var assignWith = require(279),\n baseAssign = require(280),\n createAssigner = require(324);\n\n/**\n * Assigns own enumerable properties of source object(s) to the destination\n * object. Subsequent sources overwrite property assignments of previous sources.\n * If `customizer` is provided it's invoked to produce the assigned values.\n * The `customizer` is bound to `thisArg` and invoked with five arguments:\n * (objectValue, sourceValue, key, object, source).\n *\n * **Note:** This method mutates `object` and is based on\n * [`Object.assign`](http://ecma-international.org/ecma-262/6.0/#sec-object.assign).\n *\n * @static\n * @memberOf _\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {*} [thisArg] The `this` binding of `customizer`.\n * @returns {Object} Returns `object`.\n * @example\n *\n * _.assign({ 'user': 'barney' }, { 'age': 40 }, { 'user': 'fred' });\n * // => { 'user': 'fred', 'age': 40 }\n *\n * // using a customizer callback\n * var defaults = _.partialRight(_.assign, function(value, other) {\n * return _.isUndefined(value) ? other : value;\n * });\n *\n * defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });\n * // => { 'user': 'barney', 'age': 36 }\n */\nvar assign = createAssigner(function(object, source, customizer) {\n return customizer\n ? assignWith(object, source, customizer)\n : baseAssign(object, source);\n});\n\nmodule.exports = assign;\n","var getNative = require(344),\n isArrayLike = require(346),\n isObject = require(372),\n shimKeys = require(362);\n\n/* Native method references for those with the same name as other `lodash` methods. */\nvar nativeKeys = getNative(Object, 'keys');\n\n/**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\nvar keys = !nativeKeys ? shimKeys : function(object) {\n var Ctor = object == null ? undefined : object.constructor;\n if ((typeof Ctor == 'function' && Ctor.prototype === object) ||\n (typeof object != 'function' && isArrayLike(object))) {\n return shimKeys(object);\n }\n return isObject(object) ? nativeKeys(object) : [];\n};\n\nmodule.exports = keys;\n","var isArguments = require(367),\n isArray = require(368),\n isIndex = require(347),\n isLength = require(351),\n isObject = require(372);\n\n/** Used for native method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\nfunction keysIn(object) {\n if (object == null) {\n return [];\n }\n if (!isObject(object)) {\n object = Object(object);\n }\n var length = object.length;\n length = (length && isLength(length) &&\n (isArray(object) || isArguments(object)) && length) || 0;\n\n var Ctor = object.constructor,\n index = -1,\n isProto = typeof Ctor == 'function' && Ctor.prototype === object,\n result = Array(length),\n skipIndexes = length > 0;\n\n while (++index < length) {\n result[index] = (index + '');\n }\n for (var key in object) {\n if (!(skipIndexes && isIndex(key, length)) &&\n !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n}\n\nmodule.exports = keysIn;\n","var baseMerge = require(305),\n createAssigner = require(324);\n\n/**\n * Recursively merges own enumerable properties of the source object(s), that\n * don't resolve to `undefined` into the destination object. Subsequent sources\n * overwrite property assignments of previous sources. If `customizer` is\n * provided it's invoked to produce the merged values of the destination and\n * source properties. If `customizer` returns `undefined` merging is handled\n * by the method instead. The `customizer` is bound to `thisArg` and invoked\n * with five arguments: (objectValue, sourceValue, key, object, source).\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {*} [thisArg] The `this` binding of `customizer`.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var users = {\n * 'data': [{ 'user': 'barney' }, { 'user': 'fred' }]\n * };\n *\n * var ages = {\n * 'data': [{ 'age': 36 }, { 'age': 40 }]\n * };\n *\n * _.merge(users, ages);\n * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] }\n *\n * // using a customizer callback\n * var object = {\n * 'fruits': ['apple'],\n * 'vegetables': ['beet']\n * };\n *\n * var other = {\n * 'fruits': ['banana'],\n * 'vegetables': ['carrot']\n * };\n *\n * _.merge(object, other, function(a, b) {\n * if (_.isArray(a)) {\n * return a.concat(b);\n * }\n * });\n * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] }\n */\nvar merge = createAssigner(baseMerge);\n\nmodule.exports = merge;\n","var arrayMap = require(275),\n baseDifference = require(286),\n baseFlatten = require(292),\n bindCallback = require(317),\n keysIn = require(379),\n pickByArray = require(356),\n pickByCallback = require(357),\n restParam = require(267);\n\n/**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable properties of `object` that are not omitted.\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {Function|...(string|string[])} [predicate] The function invoked per\n * iteration or property names to omit, specified as individual property\n * names or arrays of property names.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'user': 'fred', 'age': 40 };\n *\n * _.omit(object, 'age');\n * // => { 'user': 'fred' }\n *\n * _.omit(object, _.isNumber);\n * // => { 'user': 'fred' }\n */\nvar omit = restParam(function(object, props) {\n if (object == null) {\n return {};\n }\n if (typeof props[0] != 'function') {\n var props = arrayMap(baseFlatten(props), String);\n return pickByArray(object, baseDifference(keysIn(object), props));\n }\n var predicate = bindCallback(props[0], props[1], 3);\n return pickByCallback(object, function(value, key, object) {\n return !predicate(value, key, object);\n });\n});\n\nmodule.exports = omit;\n","var keys = require(378),\n toObject = require(364);\n\n/**\n * Creates a two dimensional array of the key-value pairs for `object`,\n * e.g. `[[key1, value1], [key2, value2]]`.\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the new array of key-value pairs.\n * @example\n *\n * _.pairs({ 'barney': 36, 'fred': 40 });\n * // => [['barney', 36], ['fred', 40]] (iteration order is not guaranteed)\n */\nfunction pairs(object) {\n object = toObject(object);\n\n var index = -1,\n props = keys(object),\n length = props.length,\n result = Array(length);\n\n while (++index < length) {\n var key = props[index];\n result[index] = [key, object[key]];\n }\n return result;\n}\n\nmodule.exports = pairs;\n","var baseFlatten = require(292),\n bindCallback = require(317),\n pickByArray = require(356),\n pickByCallback = require(357),\n restParam = require(267);\n\n/**\n * Creates an object composed of the picked `object` properties. Property\n * names may be specified as individual arguments or as arrays of property\n * names. If `predicate` is provided it's invoked for each property of `object`\n * picking the properties `predicate` returns truthy for. The predicate is\n * bound to `thisArg` and invoked with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {Function|...(string|string[])} [predicate] The function invoked per\n * iteration or property names to pick, specified as individual property\n * names or arrays of property names.\n * @param {*} [thisArg] The `this` binding of `predicate`.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'user': 'fred', 'age': 40 };\n *\n * _.pick(object, 'user');\n * // => { 'user': 'fred' }\n *\n * _.pick(object, _.isString);\n * // => { 'user': 'fred' }\n */\nvar pick = restParam(function(object, props) {\n if (object == null) {\n return {};\n }\n return typeof props[0] == 'function'\n ? pickByCallback(object, bindCallback(props[0], props[1], 3))\n : pickByArray(object, baseFlatten(props));\n});\n\nmodule.exports = pick;\n","var arrayEach = require(272),\n baseCallback = require(281),\n baseCreate = require(284),\n baseForOwn = require(295),\n isArray = require(368),\n isFunction = require(369),\n isObject = require(372),\n isTypedArray = require(375);\n\n/**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own enumerable\n * properties through `iteratee`, with each invocation potentially mutating\n * the `accumulator` object. The `iteratee` is bound to `thisArg` and invoked\n * with four arguments: (accumulator, value, key, object). Iteratee functions\n * may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Array|Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @param {*} [thisArg] The `this` binding of `iteratee`.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * });\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2 }, function(result, n, key) {\n * result[key] = n * 3;\n * });\n * // => { 'a': 3, 'b': 6 }\n */\nfunction transform(object, iteratee, accumulator, thisArg) {\n var isArr = isArray(object) || isTypedArray(object);\n iteratee = baseCallback(iteratee, thisArg, 4);\n\n if (accumulator == null) {\n if (isArr || isObject(object)) {\n var Ctor = object.constructor;\n if (isArr) {\n accumulator = isArray(object) ? new Ctor : [];\n } else {\n accumulator = baseCreate(isFunction(Ctor) ? Ctor.prototype : undefined);\n }\n } else {\n accumulator = {};\n }\n }\n (isArr ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n}\n\nmodule.exports = transform;\n","var baseValues = require(316),\n keys = require(378);\n\n/**\n * Creates an array of the own enumerable property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\nfunction values(object) {\n return baseValues(object, keys(object));\n}\n\nmodule.exports = values;\n","/**\n * This method returns the first argument provided to it.\n *\n * @static\n * @memberOf _\n * @category Utility\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'user': 'fred' };\n *\n * _.identity(object) === object;\n * // => true\n */\nfunction identity(value) {\n return value;\n}\n\nmodule.exports = identity;\n","/**\n * A no-operation function that returns `undefined` regardless of the\n * arguments it receives.\n *\n * @static\n * @memberOf _\n * @category Utility\n * @example\n *\n * var object = { 'user': 'fred' };\n *\n * _.noop(object) === undefined;\n * // => true\n */\nfunction noop() {\n // No operation performed.\n}\n\nmodule.exports = noop;\n","var baseProperty = require(307),\n basePropertyDeep = require(308),\n isKey = require(349);\n\n/**\n * Creates a function that returns the property value at `path` on a\n * given object.\n *\n * @static\n * @memberOf _\n * @category Utility\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var objects = [\n * { 'a': { 'b': { 'c': 2 } } },\n * { 'a': { 'b': { 'c': 1 } } }\n * ];\n *\n * _.map(objects, _.property('a.b.c'));\n * // => [2, 1]\n *\n * _.pluck(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');\n * // => [1, 2]\n */\nfunction property(path) {\n return isKey(path) ? baseProperty(path) : basePropertyDeep(path);\n}\n\nmodule.exports = property;\n","/**\n * Set attribute `name` to `val`, or get attr `name`.\n *\n * @param {Element} el\n * @param {String} name\n * @param {String} [val]\n * @api public\n */\n\nmodule.exports = function(el, name, val) {\n // get\n if (arguments.length == 2) {\n return el.getAttribute(name);\n }\n\n // remove\n if (val === null) {\n return el.removeAttribute(name);\n }\n\n // set\n el.setAttribute(name, val);\n\n return el;\n};","module.exports = require(399);","module.exports = function(el) {\n\n var c;\n\n while (el.childNodes.length) {\n c = el.childNodes[0];\n el.removeChild(c);\n }\n\n return el;\n};","module.exports = require(401);","module.exports = require(402);","module.exports = require(406);","module.exports = require(403);","module.exports = require(404);","module.exports = require(405);","module.exports = function(el) {\n el.parentNode && el.parentNode.removeChild(el);\n};","/**\n * Module dependencies.\n */\n\nvar index = require(400);\n\n/**\n * Whitespace regexp.\n */\n\nvar re = //s+/;\n\n/**\n * toString reference.\n */\n\nvar toString = Object.prototype.toString;\n\n/**\n * Wrap `el` in a `ClassList`.\n *\n * @param {Element} el\n * @return {ClassList}\n * @api public\n */\n\nmodule.exports = function(el){\n return new ClassList(el);\n};\n\n/**\n * Initialize a new ClassList for `el`.\n *\n * @param {Element} el\n * @api private\n */\n\nfunction ClassList(el) {\n if (!el || !el.nodeType) {\n throw new Error('A DOM element reference is required');\n }\n this.el = el;\n this.list = el.classList;\n}\n\n/**\n * Add class `name` if not already present.\n *\n * @param {String} name\n * @return {ClassList}\n * @api public\n */\n\nClassList.prototype.add = function(name){\n // classList\n if (this.list) {\n this.list.add(name);\n return this;\n }\n\n // fallback\n var arr = this.array();\n var i = index(arr, name);\n if (!~i) arr.push(name);\n this.el.className = arr.join(' ');\n return this;\n};\n\n/**\n * Remove class `name` when present, or\n * pass a regular expression to remove\n * any which match.\n *\n * @param {String|RegExp} name\n * @return {ClassList}\n * @api public\n */\n\nClassList.prototype.remove = function(name){\n if ('[object RegExp]' == toString.call(name)) {\n return this.removeMatching(name);\n }\n\n // classList\n if (this.list) {\n this.list.remove(name);\n return this;\n }\n\n // fallback\n var arr = this.array();\n var i = index(arr, name);\n if (~i) arr.splice(i, 1);\n this.el.className = arr.join(' ');\n return this;\n};\n\n/**\n * Remove all classes matching `re`.\n *\n * @param {RegExp} re\n * @return {ClassList}\n * @api private\n */\n\nClassList.prototype.removeMatching = function(re){\n var arr = this.array();\n for (var i = 0; i < arr.length; i++) {\n if (re.test(arr[i])) {\n this.remove(arr[i]);\n }\n }\n return this;\n};\n\n/**\n * Toggle class `name`, can force state via `force`.\n *\n * For browsers that support classList, but do not support `force` yet,\n * the mistake will be detected and corrected.\n *\n * @param {String} name\n * @param {Boolean} force\n * @return {ClassList}\n * @api public\n */\n\nClassList.prototype.toggle = function(name, force){\n // classList\n if (this.list) {\n if (\"undefined\" !== typeof force) {\n if (force !== this.list.toggle(name, force)) {\n this.list.toggle(name); // toggle again to correct\n }\n } else {\n this.list.toggle(name);\n }\n return this;\n }\n\n // fallback\n if (\"undefined\" !== typeof force) {\n if (!force) {\n this.remove(name);\n } else {\n this.add(name);\n }\n } else {\n if (this.has(name)) {\n this.remove(name);\n } else {\n this.add(name);\n }\n }\n\n return this;\n};\n\n/**\n * Return an array of classes.\n *\n * @return {Array}\n * @api public\n */\n\nClassList.prototype.array = function(){\n var className = this.el.getAttribute('class') || '';\n var str = className.replace(/^/s+|/s+$/g, '');\n var arr = str.split(re);\n if ('' === arr[0]) arr.shift();\n return arr;\n};\n\n/**\n * Check if class `name` is present.\n *\n * @param {String} name\n * @return {ClassList}\n * @api public\n */\n\nClassList.prototype.has =\nClassList.prototype.contains = function(name){\n return this.list\n ? this.list.contains(name)\n : !! ~index(this.array(), name);\n};\n","module.exports = function(arr, obj){\n if (arr.indexOf) return arr.indexOf(obj);\n for (var i = 0; i < arr.length; ++i) {\n if (arr[i] === obj) return i;\n }\n return -1;\n};","var matches = require(404)\n\nmodule.exports = function (element, selector, checkYoSelf, root) {\n element = checkYoSelf ? {parentNode: element} : element\n\n root = root || document\n\n // Make sure `element !== document` and `element != null`\n // otherwise we get an illegal invocation\n while ((element = element.parentNode) && element !== document) {\n if (matches(element, selector))\n return element\n // After `matches` on the edge case that\n // the selector matches the root\n // (when the root is not the document)\n if (element === root)\n return\n }\n}\n","/**\n * Module dependencies.\n */\n\nvar closest = require(401)\n , event = require(403);\n\n/**\n * Delegate event `type` to `selector`\n * and invoke `fn(e)`. A callback function\n * is returned which may be passed to `.unbind()`.\n *\n * @param {Element} el\n * @param {String} selector\n * @param {String} type\n * @param {Function} fn\n * @param {Boolean} capture\n * @return {Function}\n * @api public\n */\n\nexports.bind = function(el, selector, type, fn, capture){\n return event.bind(el, type, function(e){\n var target = e.target || e.srcElement;\n e.delegateTarget = closest(target, selector, true, el);\n if (e.delegateTarget) fn.call(el, e);\n }, capture);\n};\n\n/**\n * Unbind event `type`'s callback `fn`.\n *\n * @param {Element} el\n * @param {String} type\n * @param {Function} fn\n * @param {Boolean} capture\n * @api public\n */\n\nexports.unbind = function(el, type, fn, capture){\n event.unbind(el, type, fn, capture);\n};\n","var bind = window.addEventListener ? 'addEventListener' : 'attachEvent',\n unbind = window.removeEventListener ? 'removeEventListener' : 'detachEvent',\n prefix = bind !== 'addEventListener' ? 'on' : '';\n\n/**\n * Bind `el` event `type` to `fn`.\n *\n * @param {Element} el\n * @param {String} type\n * @param {Function} fn\n * @param {Boolean} capture\n * @return {Function}\n * @api public\n */\n\nexports.bind = function(el, type, fn, capture){\n el[bind](prefix + type, fn, capture || false);\n return fn;\n};\n\n/**\n * Unbind `el` event `type`'s callback `fn`.\n *\n * @param {Element} el\n * @param {String} type\n * @param {Function} fn\n * @param {Boolean} capture\n * @return {Function}\n * @api public\n */\n\nexports.unbind = function(el, type, fn, capture){\n el[unbind](prefix + type, fn, capture || false);\n return fn;\n};","/**\n * Module dependencies.\n */\n\nvar query = require(405);\n\n/**\n * Element prototype.\n */\n\nvar proto = Element.prototype;\n\n/**\n * Vendor function.\n */\n\nvar vendor = proto.matches\n || proto.webkitMatchesSelector\n || proto.mozMatchesSelector\n || proto.msMatchesSelector\n || proto.oMatchesSelector;\n\n/**\n * Expose `match()`.\n */\n\nmodule.exports = match;\n\n/**\n * Match `el` to `selector`.\n *\n * @param {Element} el\n * @param {String} selector\n * @return {Boolean}\n * @api public\n */\n\nfunction match(el, selector) {\n if (!el || el.nodeType !== 1) return false;\n if (vendor) return vendor.call(el, selector);\n var nodes = query.all(selector, el.parentNode);\n for (var i = 0; i < nodes.length; ++i) {\n if (nodes[i] == el) return true;\n }\n return false;\n}\n","function one(selector, el) {\n return el.querySelector(selector);\n}\n\nexports = module.exports = function(selector, el){\n el = el || document;\n return one(selector, el);\n};\n\nexports.all = function(selector, el){\n el = el || document;\n return el.querySelectorAll(selector);\n};\n\nexports.engine = function(obj){\n if (!obj.one) throw new Error('.one callback required');\n if (!obj.all) throw new Error('.all callback required');\n one = obj.one;\n exports.all = obj.all;\n return exports;\n};\n","\n/**\n * Expose `parse`.\n */\n\nmodule.exports = parse;\n\n/**\n * Tests for browser support.\n */\n\nvar innerHTMLBug = false;\nvar bugTestDiv;\nif (typeof document !== 'undefined') {\n bugTestDiv = document.createElement('div');\n // Setup\n bugTestDiv.innerHTML = ' <link/><table></table><a href=\"/a\">a</a><input type=\"checkbox\"/>';\n // Make sure that link elements get serialized correctly by innerHTML\n // This requires a wrapper element in IE\n innerHTMLBug = !bugTestDiv.getElementsByTagName('link').length;\n bugTestDiv = undefined;\n}\n\n/**\n * Wrap map from jquery.\n */\n\nvar map = {\n legend: [1, '<fieldset>', '</fieldset>'],\n tr: [2, '<table><tbody>', '</tbody></table>'],\n col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],\n // for script/link/style tags to work in IE6-8, you have to wrap\n // in a div with a non-whitespace character in front, ha!\n _default: innerHTMLBug ? [1, 'X<div>', '</div>'] : [0, '', '']\n};\n\nmap.td =\nmap.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];\n\nmap.option =\nmap.optgroup = [1, '<select multiple=\"multiple\">', '</select>'];\n\nmap.thead =\nmap.tbody =\nmap.colgroup =\nmap.caption =\nmap.tfoot = [1, '<table>', '</table>'];\n\nmap.polyline =\nmap.ellipse =\nmap.polygon =\nmap.circle =\nmap.text =\nmap.line =\nmap.path =\nmap.rect =\nmap.g = [1, '<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\">','</svg>'];\n\n/**\n * Parse `html` and return a DOM Node instance, which could be a TextNode,\n * HTML DOM Node of some kind (<div> for example), or a DocumentFragment\n * instance, depending on the contents of the `html` string.\n *\n * @param {String} html - HTML string to \"domify\"\n * @param {Document} doc - The `document` instance to create the Node for\n * @return {DOMNode} the TextNode, DOM Node, or DocumentFragment instance\n * @api private\n */\n\nfunction parse(html, doc) {\n if ('string' != typeof html) throw new TypeError('String expected');\n\n // default to the global `document` object\n if (!doc) doc = document;\n\n // tag name\n var m = /<([/w:]+)/.exec(html);\n if (!m) return doc.createTextNode(html);\n\n html = html.replace(/^/s+|/s+$/g, ''); // Remove leading/trailing whitespace\n\n var tag = m[1];\n\n // body support\n if (tag == 'body') {\n var el = doc.createElement('html');\n el.innerHTML = html;\n return el.removeChild(el.lastChild);\n }\n\n // wrap map\n var wrap = map[tag] || map._default;\n var depth = wrap[0];\n var prefix = wrap[1];\n var suffix = wrap[2];\n var el = doc.createElement('div');\n el.innerHTML = prefix + html + suffix;\n while (depth--) el = el.lastChild;\n\n // one element\n if (el.firstChild == el.lastChild) {\n return el.removeChild(el.firstChild);\n }\n\n // several elements\n var fragment = doc.createDocumentFragment();\n while (el.firstChild) {\n fragment.appendChild(el.removeChild(el.firstChild));\n }\n\n return fragment;\n}\n","module.exports = require(409);\n\nmodule.exports.Collection = require(408);","'use strict';\n\n/**\n * An empty collection stub. Use {@link RefsCollection.extend} to extend a\n * collection with ref semantics.\n *\n * @class RefsCollection\n */\n\n/**\n * Extends a collection with {@link Refs} aware methods\n *\n * @memberof RefsCollection\n * @static\n *\n * @param {Array<Object>} collection\n * @param {Refs} refs instance\n * @param {Object} property represented by the collection\n * @param {Object} target object the collection is attached to\n *\n * @return {RefsCollection<Object>} the extended array\n */\nfunction extend(collection, refs, property, target) {\n\n var inverseProperty = property.inverse;\n\n /**\n * Removes the given element from the array and returns it.\n *\n * @method RefsCollection#remove\n *\n * @param {Object} element the element to remove\n */\n Object.defineProperty(collection, 'remove', {\n value: function(element) {\n var idx = this.indexOf(element);\n if (idx !== -1) {\n this.splice(idx, 1);\n\n // unset inverse\n refs.unset(element, inverseProperty, target);\n }\n\n return element;\n }\n });\n\n /**\n * Returns true if the collection contains the given element\n *\n * @method RefsCollection#contains\n *\n * @param {Object} element the element to check for\n */\n Object.defineProperty(collection, 'contains', {\n value: function(element) {\n return this.indexOf(element) !== -1;\n }\n });\n\n /**\n * Adds an element to the array, unless it exists already (set semantics).\n *\n * @method RefsCollection#add\n *\n * @param {Object} element the element to add\n */\n Object.defineProperty(collection, 'add', {\n value: function(element) {\n\n if (!this.contains(element)) {\n this.push(element);\n\n // set inverse\n refs.set(element, inverseProperty, target);\n }\n }\n });\n\n // a simple marker, identifying this element\n // as being a refs collection\n Object.defineProperty(collection, '__refs_collection', {\n value: true\n });\n\n return collection;\n}\n\n\nfunction isExtended(collection) {\n return collection.__refs_collection === true;\n}\n\nmodule.exports.extend = extend;\n\nmodule.exports.isExtended = isExtended;","'use strict';\n\nvar Collection = require(408);\n\nfunction hasOwnProperty(e, property) {\n return Object.prototype.hasOwnProperty.call(e, property.name || property);\n}\n\nfunction defineCollectionProperty(ref, property, target) {\n Object.defineProperty(target, property.name, {\n enumerable: property.enumerable,\n value: Collection.extend(target[property.name] || [], ref, property, target)\n });\n}\n\n\nfunction defineProperty(ref, property, target) {\n\n var inverseProperty = property.inverse;\n\n var _value = target[property.name];\n\n Object.defineProperty(target, property.name, {\n enumerable: property.enumerable,\n\n get: function() {\n return _value;\n },\n\n set: function(value) {\n\n // return if we already performed all changes\n if (value === _value) {\n return;\n }\n\n var old = _value;\n\n // temporary set null\n _value = null;\n\n if (old) {\n ref.unset(old, inverseProperty, target);\n }\n\n // set new value\n _value = value;\n\n // set inverse value\n ref.set(_value, inverseProperty, target);\n }\n });\n\n}\n\n/**\n * Creates a new references object defining two inversly related\n * attribute descriptors a and b.\n *\n * <p>\n * When bound to an object using {@link Refs#bind} the references\n * get activated and ensure that add and remove operations are applied\n * reversely, too.\n * </p>\n *\n * <p>\n * For attributes represented as collections {@link Refs} provides the\n * {@link RefsCollection#add}, {@link RefsCollection#remove} and {@link RefsCollection#contains} extensions\n * that must be used to properly hook into the inverse change mechanism.\n * </p>\n *\n * @class Refs\n *\n * @classdesc A bi-directional reference between two attributes.\n *\n * @param {Refs.AttributeDescriptor} a property descriptor\n * @param {Refs.AttributeDescriptor} b property descriptor\n *\n * @example\n *\n * var refs = Refs({ name: 'wheels', collection: true, enumerable: true }, { name: 'car' });\n *\n * var car = { name: 'toyota' };\n * var wheels = [{ pos: 'front-left' }, { pos: 'front-right' }];\n *\n * refs.bind(car, 'wheels');\n *\n * car.wheels // []\n * car.wheels.add(wheels[0]);\n * car.wheels.add(wheels[1]);\n *\n * car.wheels // [{ pos: 'front-left' }, { pos: 'front-right' }]\n *\n * wheels[0].car // { name: 'toyota' };\n * car.wheels.remove(wheels[0]);\n *\n * wheels[0].car // undefined\n */\nfunction Refs(a, b) {\n\n if (!(this instanceof Refs)) {\n return new Refs(a, b);\n }\n\n // link\n a.inverse = b;\n b.inverse = a;\n\n this.props = {};\n this.props[a.name] = a;\n this.props[b.name] = b;\n}\n\n/**\n * Binds one side of a bi-directional reference to a\n * target object.\n *\n * @memberOf Refs\n *\n * @param {Object} target\n * @param {String} property\n */\nRefs.prototype.bind = function(target, property) {\n if (typeof property === 'string') {\n if (!this.props[property]) {\n throw new Error('no property <' + property + '> in ref');\n }\n property = this.props[property];\n }\n\n if (property.collection) {\n defineCollectionProperty(this, property, target);\n } else {\n defineProperty(this, property, target);\n }\n};\n\nRefs.prototype.ensureRefsCollection = function(target, property) {\n\n var collection = target[property.name];\n\n if (!Collection.isExtended(collection)) {\n defineCollectionProperty(this, property, target);\n }\n\n return collection;\n};\n\nRefs.prototype.ensureBound = function(target, property) {\n if (!hasOwnProperty(target, property)) {\n this.bind(target, property);\n }\n};\n\nRefs.prototype.unset = function(target, property, value) {\n\n if (target) {\n this.ensureBound(target, property);\n\n if (property.collection) {\n this.ensureRefsCollection(target, property).remove(value);\n } else {\n target[property.name] = undefined;\n }\n }\n};\n\nRefs.prototype.set = function(target, property, value) {\n\n if (target) {\n this.ensureBound(target, property);\n\n if (property.collection) {\n this.ensureRefsCollection(target, property).add(value);\n } else {\n target[property.name] = value;\n }\n }\n};\n\nmodule.exports = Refs;\n\n\n/**\n * An attribute descriptor to be used specify an attribute in a {@link Refs} instance\n *\n * @typedef {Object} Refs.AttributeDescriptor\n * @property {String} name\n * @property {boolean} [collection=false]\n * @property {boolean} [enumerable=false]\n */"]}
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