vis.js is a dynamic, browser-based visualization library
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  1. /**
  2. * vis.js
  3. * https://github.com/almende/vis
  4. *
  5. * A dynamic, browser-based visualization library.
  6. *
  7. * @version 0.6.0-SNAPSHOT
  8. * @date 2014-02-27
  9. *
  10. * @license
  11. * Copyright (C) 2011-2014 Almende B.V, http://almende.com
  12. *
  13. * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  14. * use this file except in compliance with the License. You may obtain a copy
  15. * of the License at
  16. *
  17. * http://www.apache.org/licenses/LICENSE-2.0
  18. *
  19. * Unless required by applicable law or agreed to in writing, software
  20. * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  21. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  22. * License for the specific language governing permissions and limitations under
  23. * the License.
  24. */
  25. !function(t){if("object"==typeof exports)module.exports=t();else if("function"==typeof define&&define.amd)define(t);else{var e;"undefined"!=typeof window?e=window:"undefined"!=typeof global?e=global:"undefined"!=typeof self&&(e=self),e.vis=t()}}(function(){var define,module,exports;return function t(e,i,n){function s(r,a){if(!i[r]){if(!e[r]){var h="function"==typeof require&&require;if(!a&&h)return h(r,!0);if(o)return o(r,!0);throw new Error("Cannot find module '"+r+"'")}var d=i[r]={exports:{}};e[r][0].call(d.exports,function(t){var i=e[r][1][t];return s(i?i:t)},d,d.exports,t,e,i,n)}return i[r].exports}for(var o="function"==typeof require&&require,r=0;r<n.length;r++)s(n[r]);return s}({1:[function(require,module,exports){function DataSet(t){if(this.id=util.randomUUID(),this.options=t||{},this.data={},this.fieldId=this.options.fieldId||"id",this.convert={},this.showInternalIds=this.options.showInternalIds||!1,this.options.convert)for(var e in this.options.convert)if(this.options.convert.hasOwnProperty(e)){var i=this.options.convert[e];this.convert[e]="Date"==i||"ISODate"==i||"ASPDate"==i?"Date":i}this.subscribers={},this.internalIds={}}function DataView(t,e){this.id=util.randomUUID(),this.data=null,this.ids={},this.options=e||{},this.fieldId="id",this.subscribers={};var i=this;this.listener=function(){i._onEvent.apply(i,arguments)},this.setData(t)}function Item(t,e){this.id=null,this.start=null,this.end=null,this.content=null,this.duration=null,this.setProperties(t,e)}function axis(t){this.range=t}function svgt(t){var e=moment().hours(0).minutes(0).seconds(0).milliseconds(0);this.range={start:e.clone().add("days",-3).valueOf(),end:e.clone().add("days",4).valueOf()},this.duration=this.range.end-this.range.start,this.container=t,this._createSVG(),this._drawLines()}function Stack(t,e){this.itemset=t,this.options=e||{},this.defaultOptions={order:function(t,e){if(t instanceof ItemRange){if(e instanceof ItemRange){var i=t.data.end-t.data.start,n=e.data.end-e.data.start;return i-n||t.data.start-e.data.start}return-1}return e instanceof ItemRange?1:t.data.start-e.data.start},margin:{item:10}},this.ordered=[]}function Range(t){this.id=util.randomUUID(),this.start=null,this.end=null,this.options=t||{},this.setOptions(t)}function validateDirection(t){if("horizontal"!=t&&"vertical"!=t)throw new TypeError('Unknown direction "'+t+'". Choose "horizontal" or "vertical".')}function getPointer(t,e){return{x:t.pageX-vis.util.getAbsoluteLeft(e),y:t.pageY-vis.util.getAbsoluteTop(e)}}function Controller(){var t=this;this.id=util.randomUUID(),this.components={};var e=null;this.on("request-reflow",function(i){i?t.reflow():e||(e=setTimeout(function(){e=null,t.reflow()},0))});var i=null;this.on("request-repaint",function(e){e?t.repaint():i||(i=setTimeout(function(){i=null,t.repaint()},0))})}function Component(){this.id=null,this.parent=null,this.depends=null,this.controller=null,this.options=null,this.frame=null,this.top=0,this.left=0,this.width=0,this.height=0}function Panel(t,e,i){this.id=util.randomUUID(),this.parent=t,this.depends=e,this.options=i||{}}function RootPanel(t,e){this.id=util.randomUUID(),this.container=t;var i=this;this.hammer=null;var n=["touch","pinch","tap","doubletap","hold","dragstart","drag","dragend","mousewheel","DOMMouseScroll"];this.listeners={},n.forEach(function(t){i.listeners[t]=function(){var e=[t].concat(Array.prototype.slice.call(arguments,0));i.controller.emit.apply(i.controller,e)}}),this.options=e||{},this.defaultOptions={autoResize:!0}}function TimeAxis(t,e,i){this.id=util.randomUUID(),this.parent=t,this.depends=e,this.dom={majorLines:[],majorTexts:[],minorLines:[],minorTexts:[],redundant:{majorLines:[],majorTexts:[],minorLines:[],minorTexts:[]}},this.props={range:{start:0,end:0,minimumStep:0},lineTop:0},this.options=i||{},this.defaultOptions={orientation:"bottom",showMinorLabels:!0,showMajorLabels:!0},this.conversion=null,this.range=null}function CurrentTime(t,e,i){this.id=util.randomUUID(),this.parent=t,this.depends=e,this.options=i||{},this.defaultOptions={showCurrentTime:!1}}function CustomTime(t,e,i){this.
  26. t.setValue(n,s,i[r])}},DataView.prototype.setData=function(t){var e,i,n;if(this.data){this.data.unsubscribe&&this.data.unsubscribe("*",this.listener),e=[];for(var s in this.ids)this.ids.hasOwnProperty(s)&&e.push(s);this.ids={},this._trigger("remove",{items:e})}if(this.data=t,this.data){for(this.fieldId=this.options.fieldId||this.data&&this.data.options&&this.data.options.fieldId||"id",e=this.data.getIds({filter:this.options&&this.options.filter}),i=0,n=e.length;n>i;i++)s=e[i],this.ids[s]=!0;this._trigger("add",{items:e}),this.data.on&&this.data.on("*",this.listener)}},DataView.prototype.get=function(){var t,e,i,n=this,s=util.getType(arguments[0]);"String"==s||"Number"==s||"Array"==s?(t=arguments[0],e=arguments[1],i=arguments[2]):(e=arguments[0],i=arguments[1]);var o=util.extend({},this.options,e);this.options.filter&&e&&e.filter&&(o.filter=function(t){return n.options.filter(t)&&e.filter(t)});var r=[];return void 0!=t&&r.push(t),r.push(o),r.push(i),this.data&&this.data.get.apply(this.data,r)},DataView.prototype.getIds=function(t){var e;if(this.data){var i,n=this.options.filter;i=t&&t.filter?n?function(e){return n(e)&&t.filter(e)}:t.filter:n,e=this.data.getIds({filter:i,order:t&&t.order})}else e=[];return e},DataView.prototype._onEvent=function(t,e,i){var n,s,o,r,a=e&&e.items,h=this.data,d=[],l=[],c=[];if(a&&h){switch(t){case"add":for(n=0,s=a.length;s>n;n++)o=a[n],r=this.get(o),r&&(this.ids[o]=!0,d.push(o));break;case"update":for(n=0,s=a.length;s>n;n++)o=a[n],r=this.get(o),r?this.ids[o]?l.push(o):(this.ids[o]=!0,d.push(o)):this.ids[o]&&(delete this.ids[o],c.push(o));break;case"remove":for(n=0,s=a.length;s>n;n++)o=a[n],this.ids[o]&&(delete this.ids[o],c.push(o))}d.length&&this._trigger("add",{items:d},i),l.length&&this._trigger("update",{items:l},i),c.length&&this._trigger("remove",{items:c},i)}},DataView.prototype.on=DataSet.prototype.on,DataView.prototype.off=DataSet.prototype.off,DataView.prototype._trigger=DataSet.prototype._trigger,DataView.prototype.subscribe=DataView.prototype.on,DataView.prototype.unsubscribe=DataView.prototype.off,Item.prototype.setProperties=function(t){t&&(this.originalLabel=void 0,void 0!==t.id&&(this.id=t.id),void 0!==t.label&&(this.label=t.label,this.originalLabel=t.label),void 0!==t.title&&(this.title=t.title),void 0!==t.group&&(this.group=t.group),void 0!==t.x&&(this.x=t.x),void 0!==t.y&&(this.y=t.y),void 0!==t.value&&(this.value=t.value),void 0!==t.level&&(this.level=t.level))},svgt.prototype._createSVG=function(){d3.select("div#visualization").append("svg").attr("id","main").attr("width",800).attr("height",300).attr("style","border:1px solid black")},svgt.prototype._drawLines=function(){for(var t=0;30>t;t++)d3.select("svg#main").append("line").attr("id","helperLine:"+String(t)).attr("x1",40).attr("y1",50).attr("x2",450).attr("y2",150).style("display","none").style("stroke","rgb(6,120,155)")},TimeStep=function(t,e,i){this.current=new Date,this._start=new Date,this._end=new Date,this.autoScale=!0,this.scale=TimeStep.SCALE.DAY,this.step=1,this.setRange(t,e,i)},TimeStep.SCALE={MILLISECOND:1,SECOND:2,MINUTE:3,HOUR:4,DAY:5,WEEKDAY:6,MONTH:7,YEAR:8},TimeStep.prototype.setRange=function(t,e,i){if(!(t instanceof Date&&e instanceof Date))throw"No legal start or end date in method setRange";this._start=void 0!=t?new Date(t.valueOf()):new Date,this._end=void 0!=e?new Date(e.valueOf()):new Date,this.autoScale&&this.setMinimumStep(i)},TimeStep.prototype.first=function(){this.current=new Date(this._start.valueOf()),this.roundToMinor()},TimeStep.prototype.roundToMinor=function(){switch(this.scale){case TimeStep.SCALE.YEAR:this.current.setFullYear(this.step*Math.floor(this.current.getFullYear()/this.step)),this.current.setMonth(0);case TimeStep.SCALE.MONTH:this.current.setDate(1);case TimeStep.SCALE.DAY:case TimeStep.SCALE.WEEKDAY:this.current.setHours(0);case TimeStep.SCALE.HOUR:this.current.setMinutes(0);case TimeStep.SCALE.MINUTE:this.current.setSeconds(0);case TimeStep.SCALE.SECOND:this.current.setMilliseconds(0)}if(1!=this.step)switch(this.scale){case TimeStep.SCALE.MILLISECOND:this.current.setMilli
  27. var n=document.createElement("div");n.style.position="relative",n.style.top="0px",n.style.left="-10px",n.style.height="100%",n.style.width="20px",t.appendChild(n),this.frame=t,this.hammer=Hammer(t,{prevent_default:!0}),this.hammer.on("dragstart",this._onDragStart.bind(this)),this.hammer.on("drag",this._onDrag.bind(this)),this.hammer.on("dragend",this._onDragEnd.bind(this))}e.conversion||e._updateConversion();var s=e.toScreen(this.customTime);return t.style.left=s+"px",t.title="Time: "+this.customTime,!1},CustomTime.prototype.setCustomTime=function(t){this.customTime=new Date(t.valueOf()),this.repaint()},CustomTime.prototype.getCustomTime=function(){return new Date(this.customTime.valueOf())},CustomTime.prototype._onDragStart=function(t){this.eventParams.customTime=this.customTime,t.stopPropagation(),t.preventDefault()},CustomTime.prototype._onDrag=function(t){var e=t.gesture.deltaX,i=this.parent.toScreen(this.eventParams.customTime)+e,n=this.parent.toTime(i);this.setCustomTime(n),this.controller&&this.controller.emit("timechange",{time:this.customTime}),t.stopPropagation(),t.preventDefault()},CustomTime.prototype._onDragEnd=function(t){this.controller&&this.controller.emit("timechanged",{time:this.customTime}),t.stopPropagation(),t.preventDefault()},ItemSet.prototype=new Panel,ItemSet.types={box:ItemBox,range:ItemRange,rangeoverflow:ItemRangeOverflow,point:ItemPoint},ItemSet.prototype.setOptions=Component.prototype.setOptions,ItemSet.prototype.setController=function(t){var e;if(this.controller)for(e in this.eventListeners)this.eventListeners.hasOwnProperty(e)&&this.controller.off(e,this.eventListeners[e]);if(this.controller=t||null,this.controller)for(e in this.eventListeners)this.eventListeners.hasOwnProperty(e)&&this.controller.on(e,this.eventListeners[e])},function(t){var e=null;Object.defineProperty(t,"controller",{get:function(){return e},set:function(){}})}(this),ItemSet.prototype.setRange=function(t){if(!(t instanceof Range||t&&t.start&&t.end))throw new TypeError("Range must be an instance of Range, or an object containing start and end.");this.range=t},ItemSet.prototype.setSelection=function(t){var e,i,n,s;if(t){if(!Array.isArray(t))throw new TypeError("Array expected");for(e=0,i=this.selection.length;i>e;e++)n=this.selection[e],s=this.items[n],s&&s.unselect();for(this.selection=[],e=0,i=t.length;i>e;e++)n=t[e],s=this.items[n],s&&(this.selection.push(n),s.select());this.controller&&this.requestRepaint()}},ItemSet.prototype.getSelection=function(){return this.selection.concat([])},ItemSet.prototype._deselect=function(t){for(var e=this.selection,i=0,n=e.length;n>i;i++)if(e[i]==t){e.splice(i,1);break}},ItemSet.prototype.repaint=function(){var t=0,e=util.updateProperty,i=util.option.asSize,n=this.options,s=this.getOption("orientation"),o=this.defaultOptions,r=this.frame;if(!r){r=document.createElement("div"),r.className="itemset",r["timeline-itemset"]=this;var a=n.className;a&&util.addClassName(r,util.option.asString(a));var h=document.createElement("div");h.className="background",r.appendChild(h),this.dom.background=h;var d=document.createElement("div");d.className="foreground",r.appendChild(d),this.dom.foreground=d;var l=document.createElement("div");l.className="itemset-axis",this.dom.axis=l,this.frame=r,t+=1}if(!this.parent)throw new Error("Cannot repaint itemset: no parent attached");var c=this.parent.getContainer();if(!c)throw new Error("Cannot repaint itemset: parent has no container element");r.parentNode||(c.appendChild(r),t+=1),this.dom.axis.parentNode||(c.appendChild(this.dom.axis),t+=1),t+=e(r.style,"left",i(n.left,"0px")),t+=e(r.style,"top",i(n.top,"0px")),t+=e(r.style,"width",i(n.width,"100%")),t+=e(r.style,"height",i(n.height,this.height+"px")),t+=e(this.dom.axis.style,"left",i(n.left,"0px")),t+=e(this.dom.axis.style,"width",i(n.width,"100%")),t+="bottom"==s?e(this.dom.axis.style,"top",this.height+this.top+"px"):e(this.dom.axis.style,"top",this.top+"px"),this._updateConversion();var u=this,p=this.queue,f=this.itemsData,m=this.items,g={};for(var v in p)if(p.hasOwnProperty(v)){var y=p[v],_=m[v],w=y.acti
  28. r[this.itemsData.fieldId]=a;var h=GroupSet.groupFromTarget(t);h&&(r.group=h.groupId),this.options.onAdd(r,function(t){t&&(e.itemsData.add(r),e.controller.once("repaint",function(){e.setSelection([a]),e.controller.emit("select",{items:e.getSelection()})}.bind(e)))})}}},Timeline.prototype._onMultiSelectItem=function(t){if(this.options.selectable){var e,i=ItemSet.itemFromTarget(t);if(i){e=this.getSelection();var n=e.indexOf(i.id);-1==n?e.push(i.id):e.splice(n,1),this.setSelection(e),this.controller.emit("select",{items:this.getSelection()}),t.stopPropagation()}}},Timeline.prototype._toTime=function(t){var e=this.range.conversion(this.content.width);return new Date(t/e.scale+e.offset)},Timeline.prototype._toScreen=function(t){var e=this.range.conversion(this.content.width);return(t.valueOf()-e.offset)*e.scale},function(t){function e(t){return D=t,u()}function i(){M=0,C=D.charAt(0)}function n(){M++,C=D.charAt(M)}function s(){return D.charAt(M+1)}function o(t){return O.test(t)}function r(t,e){if(t||(t={}),e)for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t}function a(t,e,i){for(var n=e.split("."),s=t;n.length;){var o=n.shift();n.length?(s[o]||(s[o]={}),s=s[o]):s[o]=i}}function h(t,e){for(var i,n,s=null,o=[t],a=t;a.parent;)o.push(a.parent),a=a.parent;if(a.nodes)for(i=0,n=a.nodes.length;n>i;i++)if(e.id===a.nodes[i].id){s=a.nodes[i];break}for(s||(s={id:e.id},t.node&&(s.attr=r(s.attr,t.node))),i=o.length-1;i>=0;i--){var h=o[i];h.nodes||(h.nodes=[]),-1==h.nodes.indexOf(s)&&h.nodes.push(s)}e.attr&&(s.attr=r(s.attr,e.attr))}function d(t,e){if(t.edges||(t.edges=[]),t.edges.push(e),t.edge){var i=r({},t.edge);e.attr=r(i,e.attr)}}function l(t,e,i,n,s){var o={from:e,to:i,type:n};return t.edge&&(o.attr=r({},t.edge)),o.attr=r(o.attr||{},s),o}function c(){for(N=E.NULL,I="";" "==C||" "==C||"\n"==C||"\r"==C;)n();do{var t=!1;if("#"==C){for(var e=M-1;" "==D.charAt(e)||" "==D.charAt(e);)e--;if("\n"==D.charAt(e)||""==D.charAt(e)){for(;""!=C&&"\n"!=C;)n();t=!0}}if("/"==C&&"/"==s()){for(;""!=C&&"\n"!=C;)n();t=!0}if("/"==C&&"*"==s()){for(;""!=C;){if("*"==C&&"/"==s()){n(),n();break}n()}t=!0}for(;" "==C||" "==C||"\n"==C||"\r"==C;)n()}while(t);if(""==C)return void(N=E.DELIMITER);var i=C+s();if(T[i])return N=E.DELIMITER,I=i,n(),void n();if(T[C])return N=E.DELIMITER,I=C,void n();if(o(C)||"-"==C){for(I+=C,n();o(C);)I+=C,n();return"false"==I?I=!1:"true"==I?I=!0:isNaN(Number(I))||(I=Number(I)),void(N=E.IDENTIFIER)}if('"'==C){for(n();""!=C&&('"'!=C||'"'==C&&'"'==s());)I+=C,'"'==C&&n(),n();if('"'!=C)throw w('End of string " expected');return n(),void(N=E.IDENTIFIER)}for(N=E.UNKNOWN;""!=C;)I+=C,n();throw new SyntaxError('Syntax error in part "'+b(I,30)+'"')}function u(){var t={};if(i(),c(),"strict"==I&&(t.strict=!0,c()),("graph"==I||"digraph"==I)&&(t.type=I,c()),N==E.IDENTIFIER&&(t.id=I,c()),"{"!=I)throw w("Angle bracket { expected");if(c(),p(t),"}"!=I)throw w("Angle bracket } expected");if(c(),""!==I)throw w("End of file expected");return c(),delete t.node,delete t.edge,delete t.graph,t}function p(t){for(;""!==I&&"}"!=I;)f(t),";"==I&&c()}function f(t){var e=m(t);if(e)return void y(t,e);var i=g(t);if(!i){if(N!=E.IDENTIFIER)throw w("Identifier expected");var n=I;if(c(),"="==I){if(c(),N!=E.IDENTIFIER)throw w("Identifier expected");t[n]=I,c()}else v(t,n)}}function m(t){var e=null;if("subgraph"==I&&(e={},e.type="subgraph",c(),N==E.IDENTIFIER&&(e.id=I,c())),"{"==I){if(c(),e||(e={}),e.parent=t,e.node=t.node,e.edge=t.edge,e.graph=t.graph,p(e),"}"!=I)throw w("Angle bracket } expected");c(),delete e.node,delete e.edge,delete e.graph,delete e.parent,t.subgraphs||(t.subgraphs=[]),t.subgraphs.push(e)}return e}function g(t){return"node"==I?(c(),t.node=_(),"node"):"edge"==I?(c(),t.edge=_(),"edge"):"graph"==I?(c(),t.graph=_(),"graph"):null}function v(t,e){var i={id:e},n=_();n&&(i.attr=n),h(t,i),y(t,e)}function y(t,e){for(;"->"==I||"--"==I;){var i,n=I;c();var s=m(t);if(s)i=s;else{if(N!=E.IDENTIFIER)throw w("Identifier or subgraph expected");i=I,h(t,{id:i}),c()}var o=_(),r=l(t,e,i,n,o);d(t,r),e=i}}function _(){for(var t=null;"["==I;){for(c(),t={};""!==I&&"]"!=I;){if(N!=
  29. return u}var p=i-t,f=n-e,m=p*p+f*f,g=((s-t)*p+(o-e)*f)/m;g>1?g=1:0>g&&(g=0);var h=t+g*p,d=e+g*f,l=h-s,c=d-o;return Math.sqrt(l*l+c*c)},Edge.prototype.setScale=function(t){this.graphScaleInv=1/t},Edge.prototype.select=function(){this.selected=!0},Edge.prototype.unselect=function(){this.selected=!1},Edge.prototype.positionBezierNode=function(){null!==this.via&&(this.via.x=.5*(this.from.x+this.to.x),this.via.y=.5*(this.from.y+this.to.y))},Popup.prototype.setPosition=function(t,e){this.x=parseInt(t),this.y=parseInt(e)},Popup.prototype.setText=function(t){this.frame.innerHTML=t},Popup.prototype.show=function(t){if(void 0===t&&(t=!0),t){var e=this.frame.clientHeight,i=this.frame.clientWidth,n=this.frame.parentNode.clientHeight,s=this.frame.parentNode.clientWidth,o=this.y-e;o+e+this.padding>n&&(o=n-e-this.padding),o<this.padding&&(o=this.padding);var r=this.x;r+i+this.padding>s&&(r=s-i-this.padding),r<this.padding&&(r=this.padding),this.frame.style.left=r+"px",this.frame.style.top=o+"px",this.frame.style.visibility="visible"}else this.hide()},Popup.prototype.hide=function(){this.frame.style.visibility="hidden"},Groups=function(){this.clear(),this.defaultIndex=0},Groups.DEFAULT=[{border:"#2B7CE9",background:"#97C2FC",highlight:{border:"#2B7CE9",background:"#D2E5FF"}},{border:"#FFA500",background:"#FFFF00",highlight:{border:"#FFA500",background:"#FFFFA3"}},{border:"#FA0A10",background:"#FB7E81",highlight:{border:"#FA0A10",background:"#FFAFB1"}},{border:"#41A906",background:"#7BE141",highlight:{border:"#41A906",background:"#A1EC76"}},{border:"#E129F0",background:"#EB7DF4",highlight:{border:"#E129F0",background:"#F0B3F5"}},{border:"#7C29F0",background:"#AD85E4",highlight:{border:"#7C29F0",background:"#D3BDF0"}},{border:"#C37F00",background:"#FFA807",highlight:{border:"#C37F00",background:"#FFCA66"}},{border:"#4220FB",background:"#6E6EFD",highlight:{border:"#4220FB",background:"#9B9BFD"}},{border:"#FD5A77",background:"#FFC0CB",highlight:{border:"#FD5A77",background:"#FFD1D9"}},{border:"#4AD63A",background:"#C2FABC",highlight:{border:"#4AD63A",background:"#E6FFE3"}}],Groups.prototype.clear=function(){this.groups={},this.groups.length=function(){var t=0;for(var e in this)this.hasOwnProperty(e)&&t++;return t}},Groups.prototype.get=function(t){var e=this.groups[t];if(void 0==e){var i=this.defaultIndex%Groups.DEFAULT.length;this.defaultIndex++,e={},e.color=Groups.DEFAULT[i],this.groups[t]=e}return e},Groups.prototype.add=function(t,e){return this.groups[t]=e,e.color&&(e.color=Node.parseColor(e.color)),e},Images=function(){this.images={},this.callback=void 0},Images.prototype.setOnloadCallback=function(t){this.callback=t},Images.prototype.load=function(t){var e=this.images[t];if(void 0==e){var i=this;e=new Image,this.images[t]=e,e.onload=function(){i.callback&&i.callback(this)},e.src=t}return e};var physicsMixin={_toggleBarnesHut:function(){this.constants.physics.barnesHut.enabled=!this.constants.physics.barnesHut.enabled,this._loadSelectedForceSolver(),this.moving=!0,this.start()},_initializeForceCalculation:function(){1==this.nodeIndices.length?this.nodes[this.nodeIndices[0]]._setForce(0,0):(this.nodeIndices.length>this.constants.clustering.clusterThreshold&&1==this.constants.clustering.enabled&&this.clusterToFit(this.constants.clustering.reduceToNodes,!1),this._calculateForces())},_calculateForces:function(){this._calculateGravitationalForces(),this._calculateNodeForces(),1==this.constants.smoothCurves?this._calculateSpringForcesWithSupport():this._calculateSpringForces()},_updateCalculationNodes:function(){if(1==this.constants.smoothCurves){this.calculationNodes={},this.calculationNodeIndices=[];for(var t in this.nodes)this.nodes.hasOwnProperty(t)&&(this.calculationNodes[t]=this.nodes[t]);var e=this.sectors.support.nodes;for(var i in e)e.hasOwnProperty(i)&&(this.edges.hasOwnProperty(e[i].parentEdgeId)?this.calculationNodes[i]=e[i]:e[i]._setForce(0,0));for(var n in this.calculationNodes)this.calculationNodes.hasOwnProperty(n)&&this.calculationNodeIndices.push(n)}else this.calculationNodes=this.nodes,this.calculationNodeIndices=this.no
  30. var r=!1;for(var a in t.containedNodes)if(t.containedNodes.hasOwnProperty(a)&&t.containedNodes[a].clusterSession==o.clusterSession){r=!0;break}0==r&&t.clusterSessions.pop(),this._repositionBezierNodes(o),o.clusterSession=0,t.clearSizeCache(),this.moving=!0}1==i&&this._expandClusterNode(o,i,n,s)},_repositionBezierNodes:function(t){for(var e=0;e<t.dynamicEdges.length;e++)t.dynamicEdges[e].positionBezierNode()},_formClusters:function(t){0==t?this._formClustersByZoom():this._forceClustersByZoom()},_formClustersByZoom:function(){var t,e,i,n=this.constants.clustering.clusterEdgeThreshold/this.scale;for(var s in this.edges)if(this.edges.hasOwnProperty(s)){var o=this.edges[s];if(o.connected&&o.toId!=o.fromId&&(t=o.to.x-o.from.x,e=o.to.y-o.from.y,i=Math.sqrt(t*t+e*e),n>i)){var r=o.from,a=o.to;o.to.mass>o.from.mass&&(r=o.to,a=o.from),1==a.dynamicEdgesLength?this._addToCluster(r,a,!1):1==r.dynamicEdgesLength&&this._addToCluster(a,r,!1)}}},_forceClustersByZoom:function(){for(var t in this.nodes)if(this.nodes.hasOwnProperty(t)){var e=this.nodes[t];if(1==e.dynamicEdgesLength&&0!=e.dynamicEdges.length){var i=e.dynamicEdges[0],n=i.toId==e.id?this.nodes[i.fromId]:this.nodes[i.toId];e.id!=n.id&&(n.mass>e.mass?this._addToCluster(n,e,!0):this._addToCluster(e,n,!0))}}},_clusterToSmallestNeighbour:function(t){for(var e=-1,i=null,n=0;n<t.dynamicEdges.length;n++)if(void 0!==t.dynamicEdges[n]){var s=null;t.dynamicEdges[n].fromId!=t.id?s=t.dynamicEdges[n].from:t.dynamicEdges[n].toId!=t.id&&(s=t.dynamicEdges[n].to),null!=s&&e>s.clusterSessions.length&&(e=s.clusterSessions.length,i=s)}null!=s&&void 0!==this.nodes[s.id]&&this._addToCluster(s,t,!0)},_formClustersByHub:function(t,e){for(var i in this.nodes)this.nodes.hasOwnProperty(i)&&this._formClusterFromHub(this.nodes[i],t,e)},_formClusterFromHub:function(t,e,i,n){if(void 0===n&&(n=0),t.dynamicEdgesLength>=this.hubThreshold&&0==i||t.dynamicEdgesLength==this.hubThreshold&&1==i){for(var s,o,r,a=this.constants.clustering.clusterEdgeThreshold/this.scale,h=!1,d=[],l=t.dynamicEdges.length,c=0;l>c;c++)d.push(t.dynamicEdges[c].id);if(0==e)for(h=!1,c=0;l>c;c++){var u=this.edges[d[c]];if(void 0!==u&&u.connected&&u.toId!=u.fromId&&(s=u.to.x-u.from.x,o=u.to.y-u.from.y,r=Math.sqrt(s*s+o*o),a>r)){h=!0;break}}if(!e&&h||e)for(c=0;l>c;c++)if(u=this.edges[d[c]],void 0!==u){var p=this.nodes[u.fromId==t.id?u.toId:u.fromId];p.dynamicEdges.length<=this.hubThreshold+n&&p.id!=t.id&&this._addToCluster(t,p,e)}}},_addToCluster:function(t,e,i){t.containedNodes[e.id]=e;for(var n=0;n<e.dynamicEdges.length;n++){var s=e.dynamicEdges[n];s.toId==t.id||s.fromId==t.id?this._addToContainedEdges(t,e,s):this._connectEdgeToCluster(t,e,s)}e.dynamicEdges=[],this._containCircularEdgesFromNode(t,e),delete this.nodes[e.id];var o=t.mass;e.clusterSession=this.clusterSession,t.mass+=e.mass,t.clusterSize+=e.clusterSize,t.fontSize=Math.min(this.constants.clustering.maxFontSize,this.constants.nodes.fontSize+this.constants.clustering.fontSizeMultiplier*t.clusterSize),t.clusterSessions[t.clusterSessions.length-1]!=this.clusterSession&&t.clusterSessions.push(this.clusterSession),t.formationScale=1==i?0:this.scale,t.clearSizeCache(),t.containedNodes[e.id].formationScale=t.formationScale,e.clearVelocity(),t.updateVelocity(o),this.moving=!0},_updateDynamicEdges:function(){for(var t=0;t<this.nodeIndices.length;t++){var e=this.nodes[this.nodeIndices[t]];e.dynamicEdgesLength=e.dynamicEdges.length;var i=0;if(e.dynamicEdgesLength>1)for(var n=0;n<e.dynamicEdgesLength-1;n++)for(var s=e.dynamicEdges[n].toId,o=e.dynamicEdges[n].fromId,r=n+1;r<e.dynamicEdgesLength;r++)(e.dynamicEdges[r].toId==s&&e.dynamicEdges[r].fromId==o||e.dynamicEdges[r].fromId==s&&e.dynamicEdges[r].toId==o)&&(i+=1);e.dynamicEdgesLength-=i}},_addToContainedEdges:function(t,e,i){t.containedEdges.hasOwnProperty(e.id)||(t.containedEdges[e.id]=[]),t.containedEdges[e.id].push(i),delete this.edges[i.id];for(var n=0;n<t.dynamicEdges.length;n++)if(t.dynamicEdges[n].id==i.id){t.dynamicEdges.splice(n,1);break}},_connectEdgeToCluster:function(t,e,i){i.toId==i.fromId?this._addToContainedEdges(t,e,i):(i.t
  31. var s=this.nodesData.get(e),o=new Node(s,this.images,this.groups,this.constants);if(this.nodes[e]=o,(0==o.xFixed||0==o.yFixed)&&1!=this.createNodeOnClick){var r=1*t.length,a=2*Math.PI*Math.random();0==o.xFixed&&(o.x=r*Math.cos(a)),0==o.yFixed&&(o.y=r*Math.sin(a)),this.moving=!0}}this._updateNodeIndexList(),this._updateCalculationNodes(),this._reconnectEdges(),this._updateValueRange(this.nodes),this.updateLabels()},Graph.prototype._updateNodes=function(t){for(var e=this.nodes,i=this.nodesData,n=0,s=t.length;s>n;n++){var o=t[n],r=e[o],a=i.get(o);r?r.setProperties(a,this.constants):(r=new Node(properties,this.images,this.groups,this.constants),e[o]=r,r.isFixed()||(this.moving=!0))}this._updateNodeIndexList(),this._reconnectEdges(),this._updateValueRange(e)},Graph.prototype._removeNodes=function(t){for(var e=this.nodes,i=0,n=t.length;n>i;i++){var s=t[i];delete e[s]}this._updateNodeIndexList(),this._reconnectEdges(),this._updateSelection(),this._updateValueRange(e)},Graph.prototype._setEdges=function(t){var e=this.edgesData;if(t instanceof DataSet||t instanceof DataView)this.edgesData=t;else if(t instanceof Array)this.edgesData=new DataSet,this.edgesData.add(t);else{if(t)throw new TypeError("Array or DataSet expected");this.edgesData=new DataSet}if(e&&util.forEach(this.edgesListeners,function(t,i){e.off(i,t)}),this.edges={},this.edgesData){var i=this;util.forEach(this.edgesListeners,function(t,e){i.edgesData.on(e,t)});var n=this.edgesData.getIds();this._addEdges(n)}this._reconnectEdges()},Graph.prototype._addEdges=function(t){for(var e=this.edges,i=this.edgesData,n=0,s=t.length;s>n;n++){var o=t[n],r=e[o];r&&r.disconnect();var a=i.get(o,{showInternalIds:!0});e[o]=new Edge(a,this,this.constants)}this.moving=!0,this._updateValueRange(e),this._createBezierNodes(),this._updateCalculationNodes()},Graph.prototype._updateEdges=function(t){for(var e=this.edges,i=this.edgesData,n=0,s=t.length;s>n;n++){var o=t[n],r=i.get(o),a=e[o];a?(a.disconnect(),a.setProperties(r,this.constants),a.connect()):(a=new Edge(r,this,this.constants),this.edges[o]=a)}this._createBezierNodes(),this.moving=!0,this._updateValueRange(e)},Graph.prototype._removeEdges=function(t){for(var e=this.edges,i=0,n=t.length;n>i;i++){var s=t[i],o=e[s];o&&(null!=o.via&&delete this.sectors.support.nodes[o.via.id],o.disconnect(),delete e[s])}this.moving=!0,this._updateValueRange(e),this._updateCalculationNodes()},Graph.prototype._reconnectEdges=function(){var t,e=this.nodes,i=this.edges;for(t in e)e.hasOwnProperty(t)&&(e[t].edges=[]);for(t in i)if(i.hasOwnProperty(t)){var n=i[t];n.from=null,n.to=null,n.connect()}},Graph.prototype._updateValueRange=function(t){var e,i=void 0,n=void 0;for(e in t)if(t.hasOwnProperty(e)){var s=t[e].getValue();void 0!==s&&(i=void 0===i?s:Math.min(s,i),n=void 0===n?s:Math.max(s,n))}if(void 0!==i&&void 0!==n)for(e in t)t.hasOwnProperty(e)&&t[e].setValueRange(i,n)},Graph.prototype.redraw=function(){this.setSize(this.width,this.height),this._redraw()},Graph.prototype._redraw=function(){var t=this.frame.canvas.getContext("2d"),e=this.frame.canvas.width,i=this.frame.canvas.height;t.clearRect(0,0,e,i),t.save(),t.translate(this.translation.x,this.translation.y),t.scale(this.scale,this.scale),this.canvasTopLeft={x:this._canvasToX(0),y:this._canvasToY(0)},this.canvasBottomRight={x:this._canvasToX(this.frame.canvas.clientWidth),y:this._canvasToY(this.frame.canvas.clientHeight)},this._doInAllSectors("_drawAllSectorNodes",t),this._doInAllSectors("_drawEdges",t),this._doInAllSectors("_drawNodes",t,!1),t.restore()},Graph.prototype._setTranslation=function(t,e){void 0===this.translation&&(this.translation={x:0,y:0}),void 0!==t&&(this.translation.x=t),void 0!==e&&(this.translation.y=e)},Graph.prototype._getTranslation=function(){return{x:this.translation.x,y:this.translation.y}},Graph.prototype._setScale=function(t){this.scale=t},Graph.prototype._getScale=function(){return this.scale},Graph.prototype._canvasToX=function(t){return(t-this.translation.x)/this.scale},Graph.prototype._xToCanvas=function(t){return t*this.scale+this.translation.x},Graph.prototype._canvas
  32. },MMM:function(t){return this.lang().monthsShort(this,t)},MMMM:function(t){return this.lang().months(this,t)},D:function(){return this.date()},DDD:function(){return this.dayOfYear()},d:function(){return this.day()},dd:function(t){return this.lang().weekdaysMin(this,t)},ddd:function(t){return this.lang().weekdaysShort(this,t)},dddd:function(t){return this.lang().weekdays(this,t)},w:function(){return this.week()},W:function(){return this.isoWeek()},YY:function(){return u(this.year()%100,2)},YYYY:function(){return u(this.year(),4)},YYYYY:function(){return u(this.year(),5)},YYYYYY:function(){var t=this.year(),e=t>=0?"+":"-";return e+u(Math.abs(t),6)},gg:function(){return u(this.weekYear()%100,2)},gggg:function(){return u(this.weekYear(),4)},ggggg:function(){return u(this.weekYear(),5)},GG:function(){return u(this.isoWeekYear()%100,2)},GGGG:function(){return u(this.isoWeekYear(),4)},GGGGG:function(){return u(this.isoWeekYear(),5)},e:function(){return this.weekday()},E:function(){return this.isoWeekday()},a:function(){return this.lang().meridiem(this.hours(),this.minutes(),!0)},A:function(){return this.lang().meridiem(this.hours(),this.minutes(),!1)},H:function(){return this.hours()},h:function(){return this.hours()%12||12},m:function(){return this.minutes()},s:function(){return this.seconds()},S:function(){return w(this.milliseconds()/100)},SS:function(){return u(w(this.milliseconds()/10),2)},SSS:function(){return u(this.milliseconds(),3)},SSSS:function(){return u(this.milliseconds(),3)},Z:function(){var t=-this.zone(),e="+";return 0>t&&(t=-t,e="-"),e+u(w(t/60),2)+":"+u(w(t)%60,2)},ZZ:function(){var t=-this.zone(),e="+";return 0>t&&(t=-t,e="-"),e+u(w(t/60),2)+u(w(t)%60,2)},z:function(){return this.zoneAbbr()},zz:function(){return this.zoneName()},X:function(){return this.unix()},Q:function(){return this.quarter()}},Je=["months","monthsShort","weekdays","weekdaysShort","weekdaysMin"];Ke.length;)re=Ke.pop(),Qe[re+"o"]=o(Qe[re],re);for(;$e.length;)re=$e.pop(),Qe[re+re]=s(Qe[re],2);for(Qe.DDDD=s(Qe.DDD,3),d(r.prototype,{set:function(t){var e,i;for(i in t)e=t[i],"function"==typeof e?this[i]=e:this["_"+i]=e},_months:"January_February_March_April_May_June_July_August_September_October_November_December".split("_"),months:function(t){return this._months[t.month()]},_monthsShort:"Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec".split("_"),monthsShort:function(t){return this._monthsShort[t.month()]},monthsParse:function(t){var e,i,n;for(this._monthsParse||(this._monthsParse=[]),e=0;12>e;e++)if(this._monthsParse[e]||(i=oe.utc([2e3,e]),n="^"+this.months(i,"")+"|^"+this.monthsShort(i,""),this._monthsParse[e]=new RegExp(n.replace(".",""),"i")),this._monthsParse[e].test(t))return e},_weekdays:"Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday".split("_"),weekdays:function(t){return this._weekdays[t.day()]},_weekdaysShort:"Sun_Mon_Tue_Wed_Thu_Fri_Sat".split("_"),weekdaysShort:function(t){return this._weekdaysShort[t.day()]},_weekdaysMin:"Su_Mo_Tu_We_Th_Fr_Sa".split("_"),weekdaysMin:function(t){return this._weekdaysMin[t.day()]},weekdaysParse:function(t){var e,i,n;for(this._weekdaysParse||(this._weekdaysParse=[]),e=0;7>e;e++)if(this._weekdaysParse[e]||(i=oe([2e3,1]).day(e),n="^"+this.weekdays(i,"")+"|^"+this.weekdaysShort(i,"")+"|^"+this.weekdaysMin(i,""),this._weekdaysParse[e]=new RegExp(n.replace(".",""),"i")),this._weekdaysParse[e].test(t))return e},_longDateFormat:{LT:"h:mm A",L:"MM/DD/YYYY",LL:"MMMM D YYYY",LLL:"MMMM D YYYY LT",LLLL:"dddd, MMMM D YYYY LT"},longDateFormat:function(t){var e=this._longDateFormat[t];return!e&&this._longDateFormat[t.toUpperCase()]&&(e=this._longDateFormat[t.toUpperCase()].replace(/MMMM|MM|DD|dddd/g,function(t){return t.slice(1)}),this._longDateFormat[t]=e),e},isPM:function(t){return"p"===(t+"").toLowerCase().charAt(0)},_meridiemParse:/[ap]\.?m?\.?/i,meridiem:function(t,e,i){return t>11?i?"pm":"PM":i?"am":"AM"},_calendar:{sameDay:"[Today at] LT",nextDay:"[Tomorrow at] LT",nextWeek:"dddd [at] LT",lastDay:"[Yesterday at] LT",lastWeek:"[Last] dddd [at] LT",sameElse:"L"},calendar:function(t,e){var i=this._