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 1.0.1-SNAPSHOT
  8. * @date 2014-05-02
  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,s){function n(a,r){if(!i[a]){if(!e[a]){var h="function"==typeof require&&require;if(!r&&h)return h(a,!0);if(o)return o(a,!0);throw new Error("Cannot find module '"+a+"'")}var d=i[a]={exports:{}};e[a][0].call(d.exports,function(t){var i=e[a][1][t];return n(i?i:t)},d,d.exports,t,e,i,s)}return i[a].exports}for(var o="function"==typeof require&&require,a=0;a<s.length;a++)n(s[a]);return n}({1:[function(require,module,exports){function DataSet(t,e){if(this.id=util.randomUUID(),!t||Array.isArray(t)||util.isDataTable(t)||(e=t,t=null),this.options=e||{},this.data={},this.fieldId=this.options.fieldId||"id",this.convert={},this.showInternalIds=this.options.showInternalIds||!1,this.options.convert)for(var i in this.options.convert)if(this.options.convert.hasOwnProperty(i)){var s=this.options.convert[i];this.convert[i]="Date"==s||"ISODate"==s||"ASPDate"==s?"Date":s}this.subscribers={},this.internalIds={},t&&this.add(t)}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 Range(t,e,i){this.id=util.randomUUID(),this.start=null,this.end=null,this.root=t,this.parent=e,this.options=i||{},this.root.on("dragstart",this._onDragStart.bind(this)),this.root.on("drag",this._onDrag.bind(this)),this.root.on("dragend",this._onDragEnd.bind(this)),this.root.on("hold",this._onHold.bind(this)),this.root.on("mousewheel",this._onMouseWheel.bind(this)),this.root.on("DOMMouseScroll",this._onMouseWheel.bind(this)),this.root.on("touch",this._onTouch.bind(this)),this.root.on("pinch",this._onPinch.bind(this)),this.setOptions(i)}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 Component(){this.id=null,this.parent=null,this.childs=null,this.options=null,this.top=0,this.left=0,this.width=0,this.height=0}function Panel(t){this.id=util.randomUUID(),this.parent=null,this.childs=[],this.options=t||{},this.frame="undefined"!=typeof document?document.createElement("div"):null}function RootPanel(t,e){if(this.id=util.randomUUID(),this.container=t,this.options=e||{},this.defaultOptions={autoResize:!0},this._create(),!this.container)throw new Error("Cannot repaint root panel: no container attached");this.container.appendChild(this.getFrame()),this._initWatch()}function TimeAxis(t){this.id=util.randomUUID(),this.dom={majorLines:[],majorTexts:[],minorLines:[],minorTexts:[],redundant:{majorLines:[],majorTexts:[],minorLines:[],minorTexts:[]}},this.props={range:{start:0,end:0,minimumStep:0},lineTop:0},this.options=t||{},this.defaultOptions={orientation:"bottom",showMinorLabels:!0,showMajorLabels:!0},this.range=null,this._create()}function CurrentTime(t,e){this.id=util.randomUUID(),this.range=t,this.options=e||{},this.defaultOptions={showCurrentTime:!1},this._create()}function CustomTime(t){this.id=util.randomUUID(),this.options=t||{},this.defaultOptions={showCustomTime:!1},this.customTime=new Date,this.eventParams={},this._create()}function ItemSet(t,e,i,s){this.id=util.randomUUID(),this.options=s||{},this.backgroundPanel=t,this.axisPanel=e,this.sidePanel=i,this.itemOptions=Object.create(this.options),this.dom={},this.hammer=null;var n=this;this.itemsData=null,this.groupsData=null,this.range=null,this.itemListeners={add:function(t,e,i){i!=n.id&&n._onAdd(e.items)},update:function(t,e,i){i!=n.id&&n._onUpdate(e.items)},remove:function(t,e,i){i!=n.id&&n._onRemove(e.items)}},this.groupListeners={add:function(t,e,i){i!=n.id&&n._onAddGroups(e.items)},update:function(t,e,i){i!=n.id&&n._onUpdateGroups(e.i
  26. },util.option.asElement=function(t,e){return"function"==typeof t&&(t=t()),t||e||null},util.GiveDec=function GiveDec(Hex){var Value;return Value="A"==Hex?10:"B"==Hex?11:"C"==Hex?12:"D"==Hex?13:"E"==Hex?14:"F"==Hex?15:eval(Hex)},util.GiveHex=function(t){var e;return e=10==t?"A":11==t?"B":12==t?"C":13==t?"D":14==t?"E":15==t?"F":""+t},util.parseColor=function(t){var e;if(util.isString(t))if(util.isValidHex(t)){var i=util.hexToHSV(t),s={h:i.h,s:.45*i.s,v:Math.min(1,1.05*i.v)},n={h:i.h,s:Math.min(1,1.25*i.v),v:.6*i.v},o=util.HSVToHex(n.h,n.h,n.v),a=util.HSVToHex(s.h,s.s,s.v);e={background:t,border:o,highlight:{background:a,border:o}}}else e={background:t,border:t,highlight:{background:t,border:t}};else e={},e.background=t.background||"white",e.border=t.border||e.background,util.isString(t.highlight)?e.highlight={border:t.highlight,background:t.highlight}:(e.highlight={},e.highlight.background=t.highlight&&t.highlight.background||e.background,e.highlight.border=t.highlight&&t.highlight.border||e.border);return e},util.hexToRGB=function(t){t=t.replace("#","").toUpperCase();var e=util.GiveDec(t.substring(0,1)),i=util.GiveDec(t.substring(1,2)),s=util.GiveDec(t.substring(2,3)),n=util.GiveDec(t.substring(3,4)),o=util.GiveDec(t.substring(4,5)),a=util.GiveDec(t.substring(5,6)),r=16*e+i,h=16*s+n,i=16*o+a;return{r:r,g:h,b:i}},util.RGBToHex=function(t,e,i){var s=util.GiveHex(Math.floor(t/16)),n=util.GiveHex(t%16),o=util.GiveHex(Math.floor(e/16)),a=util.GiveHex(e%16),r=util.GiveHex(Math.floor(i/16)),h=util.GiveHex(i%16),d=s+n+o+a+r+h;return"#"+d},util.RGBToHSV=function(t,e,i){t/=255,e/=255,i/=255;var s=Math.min(t,Math.min(e,i)),n=Math.max(t,Math.max(e,i));if(s==n)return{h:0,s:0,v:s};var o=t==s?e-i:i==s?t-e:i-t,a=t==s?3:i==s?1:5,r=60*(a-o/(n-s))/360,h=(n-s)/n,d=n;return{h:r,s:h,v:d}},util.HSVToRGB=function(t,e,i){var s,n,o,a=Math.floor(6*t),r=6*t-a,h=i*(1-e),d=i*(1-r*e),c=i*(1-(1-r)*e);switch(a%6){case 0:s=i,n=c,o=h;break;case 1:s=d,n=i,o=h;break;case 2:s=h,n=i,o=c;break;case 3:s=h,n=d,o=i;break;case 4:s=c,n=h,o=i;break;case 5:s=i,n=h,o=d}return{r:Math.floor(255*s),g:Math.floor(255*n),b:Math.floor(255*o)}},util.HSVToHex=function(t,e,i){var s=util.HSVToRGB(t,e,i);return util.RGBToHex(s.r,s.g,s.b)},util.hexToHSV=function(t){var e=util.hexToRGB(t);return util.RGBToHSV(e.r,e.g,e.b)},util.isValidHex=function(t){var e=/(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(t);return e},util.copyObject=function(t,e){for(var i in t)t.hasOwnProperty(i)&&("object"==typeof t[i]?(e[i]={},util.copyObject(t[i],e[i])):e[i]=t[i])},DataSet.prototype.on=function(t,e){var i=this.subscribers[t];i||(i=[],this.subscribers[t]=i),i.push({callback:e})},DataSet.prototype.subscribe=DataSet.prototype.on,DataSet.prototype.off=function(t,e){var i=this.subscribers[t];i&&(this.subscribers[t]=i.filter(function(t){return t.callback!=e}))},DataSet.prototype.unsubscribe=DataSet.prototype.off,DataSet.prototype._trigger=function(t,e,i){if("*"==t)throw new Error("Cannot trigger event *");var s=[];t in this.subscribers&&(s=s.concat(this.subscribers[t])),"*"in this.subscribers&&(s=s.concat(this.subscribers["*"]));for(var n=0;n<s.length;n++){var o=s[n];o.callback&&o.callback(t,e,i||null)}},DataSet.prototype.add=function(t,e){var i,s=[],n=this;if(t instanceof Array)for(var o=0,a=t.length;a>o;o++)i=n._addItem(t[o]),s.push(i);else if(util.isDataTable(t))for(var r=this._getColumnNames(t),h=0,d=t.getNumberOfRows();d>h;h++){for(var c={},l=0,u=r.length;u>l;l++){var p=r[l];c[p]=t.getValue(h,l)}i=n._addItem(c),s.push(i)}else{if(!(t instanceof Object))throw new Error("Unknown dataType");i=n._addItem(t),s.push(i)}return s.length&&this._trigger("add",{items:s},e),s},DataSet.prototype.update=function(t,e){var i=[],s=[],n=this,o=n.fieldId,a=function(t){var e=t[o];n.data[e]?(e=n._updateItem(t),s.push(e)):(e=n._addItem(t),i.push(e))};if(t instanceof Array)for(var r=0,h=t.length;h>r;r++)a(t[r]);else if(util.isDataTable(t))for(var d=this._getColumnNames(t),c=0,l=t.getNumberOfRows();l>c;c++){for(var u={},p=0,g=d.length;g>p;p++){var m=d[p];u[m]=t.getValue(c,p)}a(u)}else{if(!(t instanceof Object))throw new Error("
  27. for(var a=void 0,r=0;n.hasNext()&&1e3>r;){r++;var h=n.getCurrent(),d=this.options.toScreen(h),c=n.isMajor();this.getOption("showMinorLabels")&&this._repaintMinorText(d,n.getLabelMinor(),t),c&&this.getOption("showMajorLabels")?(d>0&&(void 0==a&&(a=d),this._repaintMajorText(d,n.getLabelMajor(),t)),this._repaintMajorLine(d,t)):this._repaintMinorLine(d,t),n.next()}if(this.getOption("showMajorLabels")){var l=this.options.toTime(0),u=n.getLabelMajor(l),p=u.length*(this.props.majorCharWidth||10)+10;(void 0==a||a>p)&&this._repaintMajorText(0,u,t)}util.forEach(this.dom.redundant,function(t){for(;t.length;){var e=t.pop();e&&e.parentNode&&e.parentNode.removeChild(e)}})},TimeAxis.prototype._repaintMinorText=function(t,e,i){var s=this.dom.redundant.minorTexts.shift();if(!s){var n=document.createTextNode("");s=document.createElement("div"),s.appendChild(n),s.className="text minor",this.frame.appendChild(s)}this.dom.minorTexts.push(s),s.childNodes[0].nodeValue=e,"top"==i?(s.style.top=this.props.majorLabelHeight+"px",s.style.bottom=""):(s.style.top="",s.style.bottom=this.props.majorLabelHeight+"px"),s.style.left=t+"px"},TimeAxis.prototype._repaintMajorText=function(t,e,i){var s=this.dom.redundant.majorTexts.shift();if(!s){var n=document.createTextNode(e);s=document.createElement("div"),s.className="text major",s.appendChild(n),this.frame.appendChild(s)}this.dom.majorTexts.push(s),s.childNodes[0].nodeValue=e,"top"==i?(s.style.top="0px",s.style.bottom=""):(s.style.top="",s.style.bottom="0px"),s.style.left=t+"px"},TimeAxis.prototype._repaintMinorLine=function(t,e){var i=this.dom.redundant.minorLines.shift();i||(i=document.createElement("div"),i.className="grid vertical minor",this.frame.appendChild(i)),this.dom.minorLines.push(i);var s=this.props;"top"==e?(i.style.top=this.props.majorLabelHeight+"px",i.style.bottom=""):(i.style.top="",i.style.bottom=this.props.majorLabelHeight+"px"),i.style.height=s.minorLineHeight+"px",i.style.left=t-s.minorLineWidth/2+"px"},TimeAxis.prototype._repaintMajorLine=function(t,e){var i=this.dom.redundant.majorLines.shift();i||(i=document.createElement("DIV"),i.className="grid vertical major",this.frame.appendChild(i)),this.dom.majorLines.push(i);var s=this.props;"top"==e?(i.style.top="0px",i.style.bottom=""):(i.style.top="",i.style.bottom="0px"),i.style.left=t-s.majorLineWidth/2+"px",i.style.height=s.majorLineHeight+"px"},TimeAxis.prototype._repaintLine=function(){var t=this.dom.line,e=this.frame,i=this.getOption("orientation");this.getOption("showMinorLabels")||this.getOption("showMajorLabels")?(t?(e.removeChild(t),e.appendChild(t)):(t=document.createElement("div"),t.className="grid horizontal major",e.appendChild(t),this.dom.line=t),"top"==i?(t.style.top=this.height+"px",t.style.bottom=""):(t.style.top="",t.style.bottom=this.height+"px")):t&&t.parentNode&&(t.parentNode.removeChild(t),delete this.dom.line)},TimeAxis.prototype._calculateCharSize=function(){if(!("minorCharHeight"in this.props)){var t=document.createTextNode("0"),e=document.createElement("DIV");e.className="text minor measure",e.appendChild(t),this.frame.appendChild(e),this.props.minorCharHeight=e.clientHeight,this.props.minorCharWidth=e.clientWidth,this.frame.removeChild(e)}if(!("majorCharHeight"in this.props)){var i=document.createTextNode("0"),s=document.createElement("DIV");s.className="text major measure",s.appendChild(i),this.frame.appendChild(s),this.props.majorCharHeight=s.clientHeight,this.props.majorCharWidth=s.clientWidth,this.frame.removeChild(s)}},TimeAxis.prototype.snap=function(t){return this.step.snap(t)},CurrentTime.prototype=new Component,CurrentTime.prototype.setOptions=Component.prototype.setOptions,CurrentTime.prototype._create=function(){var t=document.createElement("div");t.className="currenttime",t.style.position="absolute",t.style.top="0px",t.style.height="100%",this.bar=t},CurrentTime.prototype.getFrame=function(){return this.bar},CurrentTime.prototype.repaint=function(){var t=(this.parent,new Date),e=this.options.toScreen(t);return this.bar.style.left=e+"px",this.bar.title="Current time: "+t,!1},CurrentTime.prototype.
  28. },Group.prototype._checkIfVisible=function(t,e,i){t.isVisible(i)?(t.displayed||t.show(),t.repositionX(),e.push(t)):t.displayed&&t.hide()},Emitter(Timeline.prototype),Timeline.prototype.setOptions=function(t){if(util.extend(this.options,t),"editable"in t){var e="boolean"==typeof t.editable;this.options.editable={updateTime:e?t.editable:t.editable.updateTime||!1,updateGroup:e?t.editable:t.editable.updateGroup||!1,add:e?t.editable:t.editable.add||!1,remove:e?t.editable:t.editable.remove||!1}}this.range.setRange(t.start,t.end),("editable"in t||"selectable"in t)&&this.setSelection(this.options.selectable?this.getSelection():[]),this.itemSet.markDirty();var i=function(t){if(!(this.options[t]instanceof Function)||2!=this.options[t].length)throw new Error("option "+t+" must be a function "+t+"(item, callback)")}.bind(this);if(["onAdd","onUpdate","onRemove","onMove"].forEach(i),this.options.showCurrentTime?this.mainPanel.hasChild(this.currentTime)||(this.mainPanel.appendChild(this.currentTime),this.currentTime.start()):this.mainPanel.hasChild(this.currentTime)&&(this.currentTime.stop(),this.mainPanel.removeChild(this.currentTime)),this.options.showCustomTime?this.mainPanel.hasChild(this.customTime)||this.mainPanel.appendChild(this.customTime):this.mainPanel.hasChild(this.customTime)&&this.mainPanel.removeChild(this.customTime),t&&t.order)throw new Error("Option order is deprecated. There is no replacement for this feature.");this.rootPanel.repaint()},Timeline.prototype.setCustomTime=function(t){if(!this.customTime)throw new Error("Cannot get custom time: Custom time bar is not enabled");this.customTime.setCustomTime(t)},Timeline.prototype.getCustomTime=function(){if(!this.customTime)throw new Error("Cannot get custom time: Custom time bar is not enabled");return this.customTime.getCustomTime()},Timeline.prototype.setItems=function(t){var e,i=null==this.itemsData;if(e=t?t instanceof DataSet||t instanceof DataView?t:new DataSet(t,{convert:{start:"Date",end:"Date"}}):null,this.itemsData=e,this.itemSet.setItems(e),i&&(void 0==this.options.start||void 0==this.options.end)){this.fit();var s=void 0!=this.options.start?util.convert(this.options.start,"Date"):null,n=void 0!=this.options.end?util.convert(this.options.end,"Date"):null;this.setWindow(s,n)}},Timeline.prototype.setGroups=function(t){var e;e=t?t instanceof DataSet||t instanceof DataView?t:new DataSet(t):null,this.groupsData=e,this.itemSet.setGroups(e)},Timeline.prototype.fit=function(){var t=this.getItemRange(),e=t.min,i=t.max;if(null!=e&&null!=i){var s=i.valueOf()-e.valueOf();0>=s&&(s=864e5),e=new Date(e.valueOf()-.05*s),i=new Date(i.valueOf()+.05*s)}(null!==e||null!==i)&&this.range.setRange(e,i)},Timeline.prototype.getItemRange=function(){var t=this.itemsData,e=null,i=null;if(t){var s=t.min("start");e=s?s.start.valueOf():null;var n=t.max("start");n&&(i=n.start.valueOf());var o=t.max("end");o&&(i=null==i?o.end.valueOf():Math.max(i,o.end.valueOf()))}return{min:null!=e?new Date(e):null,max:null!=i?new Date(i):null}},Timeline.prototype.setSelection=function(t){this.itemSet.setSelection(t)},Timeline.prototype.getSelection=function(){return this.itemSet.getSelection()},Timeline.prototype.setWindow=function(t,e){if(1==arguments.length){var i=arguments[0];this.range.setRange(i.start,i.end)}else this.range.setRange(t,e)},Timeline.prototype.getWindow=function(){var t=this.range.getRange();return{start:new Date(t.start),end:new Date(t.end)}},Timeline.prototype._onSelectItem=function(t){if(this.options.selectable){var e=t.gesture.srcEvent&&t.gesture.srcEvent.ctrlKey,i=t.gesture.srcEvent&&t.gesture.srcEvent.shiftKey;if(e||i)return void this._onMultiSelectItem(t);var s=this.getSelection(),n=ItemSet.itemFromTarget(t),o=n?[n.id]:[];this.setSelection(o);var a=this.getSelection();util.equalArray(s,a)||this.emit("select",{items:this.getSelection()}),t.stopPropagation()}},Timeline.prototype._onAddItem=function(t){if(this.options.selectable&&this.options.editable.add){var e=this,i=ItemSet.itemFromTarget(t);if(i){var s=e.itemsData.get(i.id);this.options.onUpdate(s,function(t){t&&e.itemsData.updat
  29. t.fillRect(a,r,n,o),t.fillStyle=this.fontColor||"black",t.textAlign="left",t.textBaseline="top",t.fillText(e,a,r)}},Edge.prototype._drawDashLine=function(t){if(t.strokeStyle=1==this.selected?this.color.highlight:this.color.color,t.lineWidth=this._getLineWidth(),void 0!==t.mozDash||void 0!==t.setLineDash){t.beginPath(),t.moveTo(this.from.x,this.from.y);var e=[0];e=void 0!==this.dash.length&&void 0!==this.dash.gap?[this.dash.length,this.dash.gap]:[5,5],"undefined"!=typeof t.setLineDash?(t.setLineDash(e),t.lineDashOffset=0):(t.mozDash=e,t.mozDashOffset=0),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,this.to.x,this.to.y):t.lineTo(this.to.x,this.to.y),t.stroke(),"undefined"!=typeof t.setLineDash?(t.setLineDash([0]),t.lineDashOffset=0):(t.mozDash=[0],t.mozDashOffset=0)}else t.beginPath(),t.lineCap="round",void 0!==this.dash.altLength?t.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,[this.dash.length,this.dash.gap,this.dash.altLength,this.dash.gap]):void 0!==this.dash.length&&void 0!==this.dash.gap?t.dashedLine(this.from.x,this.from.y,this.to.x,this.to.y,[this.dash.length,this.dash.gap]):(t.moveTo(this.from.x,this.from.y),t.lineTo(this.to.x,this.to.y)),t.stroke();if(this.label){var i;if(1==this.smooth){var s=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),n=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));i={x:s,y:n}}else i=this._pointOnLine(.5);this._label(t,this.label,i.x,i.y)}},Edge.prototype._pointOnLine=function(t){return{x:(1-t)*this.from.x+t*this.to.x,y:(1-t)*this.from.y+t*this.to.y}},Edge.prototype._pointOnCircle=function(t,e,i,s){var n=2*(s-3/8)*Math.PI;return{x:t+i*Math.cos(n),y:e-i*Math.sin(n)}},Edge.prototype._drawArrowCenter=function(t){var e;if(1==this.selected?(t.strokeStyle=this.color.highlight,t.fillStyle=this.color.highlight):(t.strokeStyle=this.color.color,t.fillStyle=this.color.color),t.lineWidth=this._getLineWidth(),this.from!=this.to){this._line(t);var i=Math.atan2(this.to.y-this.from.y,this.to.x-this.from.x),s=(10+5*this.width)*this.arrowScaleFactor;if(1==this.smooth){var n=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),o=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));e={x:n,y:o}}else e=this._pointOnLine(.5);t.arrow(e.x,e.y,i,s),t.fill(),t.stroke(),this.label&&this._label(t,this.label,e.x,e.y)}else{var a,r,h=.25*Math.max(100,this.length),d=this.from;d.width||d.resize(t),d.width>d.height?(a=d.x+.5*d.width,r=d.y-h):(a=d.x+h,r=d.y-.5*d.height),this._circle(t,a,r,h);var i=.2*Math.PI,s=(10+5*this.width)*this.arrowScaleFactor;e=this._pointOnCircle(a,r,h,.5),t.arrow(e.x,e.y,i,s),t.fill(),t.stroke(),this.label&&(e=this._pointOnCircle(a,r,h,.5),this._label(t,this.label,e.x,e.y))}},Edge.prototype._drawArrow=function(t){1==this.selected?(t.strokeStyle=this.color.highlight,t.fillStyle=this.color.highlight):(t.strokeStyle=this.color.color,t.fillStyle=this.color.color),t.lineWidth=this._getLineWidth();var e,i;if(this.from!=this.to){e=Math.atan2(this.to.y-this.from.y,this.to.x-this.from.x);var s=this.to.x-this.from.x,n=this.to.y-this.from.y,o=Math.sqrt(s*s+n*n),a=this.from.distanceToBorder(t,e+Math.PI),r=(o-a)/o,h=r*this.from.x+(1-r)*this.to.x,d=r*this.from.y+(1-r)*this.to.y;1==this.smooth&&(e=Math.atan2(this.to.y-this.via.y,this.to.x-this.via.x),s=this.to.x-this.via.x,n=this.to.y-this.via.y,o=Math.sqrt(s*s+n*n));var c,l,u=this.to.distanceToBorder(t,e),p=(o-u)/o;if(1==this.smooth?(c=(1-p)*this.via.x+p*this.to.x,l=(1-p)*this.via.y+p*this.to.y):(c=(1-p)*this.from.x+p*this.to.x,l=(1-p)*this.from.y+p*this.to.y),t.beginPath(),t.moveTo(h,d),1==this.smooth?t.quadraticCurveTo(this.via.x,this.via.y,c,l):t.lineTo(c,l),t.stroke(),i=(10+5*this.width)*this.arrowScaleFactor,t.arrow(c,l,e,i),t.fill(),t.stroke(),this.label){var g;if(1==this.smooth){var m=.5*(.5*(this.from.x+this.via.x)+.5*(this.to.x+this.via.x)),f=.5*(.5*(this.from.y+this.via.y)+.5*(this.to.y+this.via.y));g={x:m,y:f}}else g=this._pointOnLine(.5);this._label(t,this.label,g.x,g.y)}}else{var v,y,_,b=this.from,w=.25*Math.max(100,this.length);b.width||b.resize(t),b.width>b.height?(v=b.x+.5*b.width,y=b.y-w,_={x
  30. },_restoreOverloadedFunctions:function(){for(var t in this.cachedFunctions)this.cachedFunctions.hasOwnProperty(t)&&(this[t]=this.cachedFunctions[t])},_toggleEditMode:function(){this.editMode=!this.editMode;var t=document.getElementById("graph-manipulationDiv"),e=document.getElementById("graph-manipulation-closeDiv"),i=document.getElementById("graph-manipulation-editMode");1==this.editMode?(t.style.display="block",e.style.display="block",i.style.display="none",e.onclick=this._toggleEditMode.bind(this)):(t.style.display="none",e.style.display="none",i.style.display="block",e.onclick=null),this._createManipulatorBar()},_createManipulatorBar:function(){if(this.boundFunction&&this.off("select",this.boundFunction),this._restoreOverloadedFunctions(),this.freezeSimulation=!1,this.blockConnectingEdgeSelection=!1,this.forceAppendSelection=!1,1==this.editMode){for(;this.manipulationDiv.hasChildNodes();)this.manipulationDiv.removeChild(this.manipulationDiv.firstChild);this.manipulationDiv.innerHTML="<span class='graph-manipulationUI add' id='graph-manipulate-addNode'><span class='graph-manipulationLabel'>"+this.constants.labels.add+"</span></span><div class='graph-seperatorLine'></div><span class='graph-manipulationUI connect' id='graph-manipulate-connectNode'><span class='graph-manipulationLabel'>"+this.constants.labels.link+"</span></span>",1==this._getSelectedNodeCount()&&this.triggerFunctions.edit&&(this.manipulationDiv.innerHTML+="<div class='graph-seperatorLine'></div><span class='graph-manipulationUI edit' id='graph-manipulate-editNode'><span class='graph-manipulationLabel'>"+this.constants.labels.editNode+"</span></span>"),0==this._selectionIsEmpty()&&(this.manipulationDiv.innerHTML+="<div class='graph-seperatorLine'></div><span class='graph-manipulationUI delete' id='graph-manipulate-delete'><span class='graph-manipulationLabel'>"+this.constants.labels.del+"</span></span>");var t=document.getElementById("graph-manipulate-addNode");t.onclick=this._createAddNodeToolbar.bind(this);var e=document.getElementById("graph-manipulate-connectNode");if(e.onclick=this._createAddEdgeToolbar.bind(this),1==this._getSelectedNodeCount()&&this.triggerFunctions.edit){var i=document.getElementById("graph-manipulate-editNode");i.onclick=this._editNode.bind(this)}if(0==this._selectionIsEmpty()){var s=document.getElementById("graph-manipulate-delete");s.onclick=this._deleteSelected.bind(this)}var n=document.getElementById("graph-manipulation-closeDiv");n.onclick=this._toggleEditMode.bind(this),this.boundFunction=this._createManipulatorBar.bind(this),this.on("select",this.boundFunction)}else{this.editModeDiv.innerHTML="<span class='graph-manipulationUI edit editmode' id='graph-manipulate-editModeButton'><span class='graph-manipulationLabel'>"+this.constants.labels.edit+"</span></span>";var o=document.getElementById("graph-manipulate-editModeButton");o.onclick=this._toggleEditMode.bind(this)}},_createAddNodeToolbar:function(){this._clearManipulatorBar(),this.boundFunction&&this.off("select",this.boundFunction),this.manipulationDiv.innerHTML="<span class='graph-manipulationUI back' id='graph-manipulate-back'><span class='graph-manipulationLabel'>"+this.constants.labels.back+" </span></span><div class='graph-seperatorLine'></div><span class='graph-manipulationUI none' id='graph-manipulate-back'><span id='graph-manipulatorLabel' class='graph-manipulationLabel'>"+this.constants.labels.addDescription+"</span></span>";var t=document.getElementById("graph-manipulate-back");t.onclick=this._createManipulatorBar.bind(this),this.boundFunction=this._addNode.bind(this),this.on("select",this.boundFunction)},_createAddEdgeToolbar:function(){this._clearManipulatorBar(),this._unselectAll(!0),this.freezeSimulation=!0,this.boundFunction&&this.off("select",this.boundFunction),this._unselectAll(),this.forceAppendSelection=!1,this.blockConnectingEdgeSelection=!0,this.manipulationDiv.innerHTML="<span class='graph-manipulationUI back' id='graph-manipulate-back'><span class='graph-manipulationLabel'>"+this.constants.labels.back+" </span></span><div class='graph-seperatorL
  31. document.onmouseup=this._stopMovement.bind(this)},_stopMovement:function(){this._xStopMoving(),this._yStopMoving(),this._stopZoom()},_preventDefault:function(t){void 0!==t&&(t.preventDefault?t.preventDefault():t.returnValue=!1)},_moveUp:function(t){this.yIncrement=this.constants.keyboard.speed.y,this.start(),this._preventDefault(t),this.navigationDivs&&(this.navigationDivs.up.className+=" active")},_moveDown:function(t){this.yIncrement=-this.constants.keyboard.speed.y,this.start(),this._preventDefault(t),this.navigationDivs&&(this.navigationDivs.down.className+=" active")},_moveLeft:function(t){this.xIncrement=this.constants.keyboard.speed.x,this.start(),this._preventDefault(t),this.navigationDivs&&(this.navigationDivs.left.className+=" active")},_moveRight:function(t){this.xIncrement=-this.constants.keyboard.speed.y,this.start(),this._preventDefault(t),this.navigationDivs&&(this.navigationDivs.right.className+=" active")},_zoomIn:function(t){this.zoomIncrement=this.constants.keyboard.speed.zoom,this.start(),this._preventDefault(t),this.navigationDivs&&(this.navigationDivs.zoomIn.className+=" active")},_zoomOut:function(){this.zoomIncrement=-this.constants.keyboard.speed.zoom,this.start(),this._preventDefault(event),this.navigationDivs&&(this.navigationDivs.zoomOut.className+=" active")},_stopZoom:function(){this.zoomIncrement=0,this.navigationDivs&&(this.navigationDivs.zoomIn.className=this.navigationDivs.zoomIn.className.replace(" active",""),this.navigationDivs.zoomOut.className=this.navigationDivs.zoomOut.className.replace(" active",""))},_yStopMoving:function(){this.yIncrement=0,this.navigationDivs&&(this.navigationDivs.up.className=this.navigationDivs.up.className.replace(" active",""),this.navigationDivs.down.className=this.navigationDivs.down.className.replace(" active",""))},_xStopMoving:function(){this.xIncrement=0,this.navigationDivs&&(this.navigationDivs.left.className=this.navigationDivs.left.className.replace(" active",""),this.navigationDivs.right.className=this.navigationDivs.right.className.replace(" active",""))}},graphMixinLoaders={_loadMixin:function(t){for(var e in t)t.hasOwnProperty(e)&&(Graph.prototype[e]=t[e])},_clearMixin:function(t){for(var e in t)t.hasOwnProperty(e)&&(Graph.prototype[e]=void 0)},_loadPhysicsSystem:function(){this._loadMixin(physicsMixin),this._loadSelectedForceSolver(),1==this.constants.configurePhysics&&this._loadPhysicsConfiguration()},_loadClusterSystem:function(){this.clusterSession=0,this.hubThreshold=5,this._loadMixin(ClusterMixin)},_loadSectorSystem:function(){this.sectors={},this.activeSector=["default"],this.sectors.active={},this.sectors.active["default"]={nodes:{},edges:{},nodeIndices:[],formationScale:1,drawingNode:void 0},this.sectors.frozen={},this.sectors.support={nodes:{},edges:{},nodeIndices:[],formationScale:1,drawingNode:void 0},this.nodeIndices=this.sectors.active["default"].nodeIndices,this._loadMixin(SectorMixin)},_loadSelectionSystem:function(){this.selectionObj={nodes:{},edges:{}},this._loadMixin(SelectionMixin)},_loadManipulationSystem:function(){this.blockConnectingEdgeSelection=!1,this.forceAppendSelection=!1,1==this.constants.dataManipulation.enabled?(void 0===this.manipulationDiv&&(this.manipulationDiv=document.createElement("div"),this.manipulationDiv.className="graph-manipulationDiv",this.manipulationDiv.id="graph-manipulationDiv",this.manipulationDiv.style.display=1==this.editMode?"block":"none",this.containerElement.insertBefore(this.manipulationDiv,this.frame)),void 0===this.editModeDiv&&(this.editModeDiv=document.createElement("div"),this.editModeDiv.className="graph-manipulation-editMode",this.editModeDiv.id="graph-manipulation-editMode",this.editModeDiv.style.display=1==this.editMode?"none":"block",this.containerElement.insertBefore(this.editModeDiv,this.frame)),void 0===this.closeDiv&&(this.closeDiv=document.createElement("div"),this.closeDiv.className="graph-manipulation-closeDiv",this.closeDiv.id="graph-manipulation-closeDiv",this.closeDiv.style.display=this.manipulationDiv.style.display,this.containerElement.insertBefore(this.closeDiv,t
  32. return s(),this.element=t,this.enabled=!0,this.options=n.utils.extend(n.utils.extend({},n.defaults),e||{}),this.options.stop_browser_behavior&&n.utils.stopDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),n.event.onTouch(t,n.EVENT_START,function(t){i.enabled&&n.detection.startDetect(i,t)}),this},n.Instance.prototype={on:function(t,e){for(var i=t.split(" "),s=0;s<i.length;s++)this.element.addEventListener(i[s],e,!1);return this},off:function(t,e){for(var i=t.split(" "),s=0;s<i.length;s++)this.element.removeEventListener(i[s],e,!1);return this},trigger:function(t,e){var i=n.DOCUMENT.createEvent("Event");i.initEvent(t,!0,!0),i.gesture=e;var s=this.element;return n.utils.hasParent(e.target,s)&&(s=e.target),s.dispatchEvent(i),this},enable:function(t){return this.enabled=t,this}};var o=null,a=!1,r=!1;n.event={bindDom:function(t,e,i){for(var s=e.split(" "),n=0;n<s.length;n++)t.addEventListener(s[n],i,!1)},onTouch:function(t,e,i){var s=this;this.bindDom(t,n.EVENT_TYPES[e],function(h){var d=h.type.toLowerCase();if(!d.match(/mouse/)||!r){(d.match(/touch/)||d.match(/pointerdown/)||d.match(/mouse/)&&1===h.which)&&(a=!0),d.match(/touch|pointer/)&&(r=!0);var c=0;a&&(n.HAS_POINTEREVENTS&&e!=n.EVENT_END?c=n.PointerEvent.updatePointer(e,h):d.match(/touch/)?c=h.touches.length:r||(c=d.match(/up/)?0:1),c>0&&e==n.EVENT_END?e=n.EVENT_MOVE:c||(e=n.EVENT_END),c||null===o?o=h:h=o,i.call(n.detection,s.collectEventData(t,e,h)),n.HAS_POINTEREVENTS&&e==n.EVENT_END&&(c=n.PointerEvent.updatePointer(e,h))),c||(o=null,a=!1,r=!1,n.PointerEvent.reset())}})},determineEventTypes:function(){var t;t=n.HAS_POINTEREVENTS?n.PointerEvent.getEvents():n.NO_MOUSEEVENTS?["touchstart","touchmove","touchend touchcancel"]:["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],n.EVENT_TYPES[n.EVENT_START]=t[0],n.EVENT_TYPES[n.EVENT_MOVE]=t[1],n.EVENT_TYPES[n.EVENT_END]=t[2]},getTouchList:function(t){return n.HAS_POINTEREVENTS?n.PointerEvent.getTouchList():t.touches?t.touches:[{identifier:1,pageX:t.pageX,pageY:t.pageY,target:t.target}]},collectEventData:function(t,e,i){var s=this.getTouchList(i,e),o=n.POINTER_TOUCH;return(i.type.match(/mouse/)||n.PointerEvent.matchType(n.POINTER_MOUSE,i))&&(o=n.POINTER_MOUSE),{center:n.utils.getCenter(s),timeStamp:(new Date).getTime(),target:i.target,touches:s,eventType:e,pointerType:o,srcEvent:i,preventDefault:function(){this.srcEvent.preventManipulation&&this.srcEvent.preventManipulation(),this.srcEvent.preventDefault&&this.srcEvent.preventDefault()},stopPropagation:function(){this.srcEvent.stopPropagation()},stopDetect:function(){return n.detection.stopDetect()}}}},n.PointerEvent={pointers:{},getTouchList:function(){var t=this,e=[];return Object.keys(t.pointers).sort().forEach(function(i){e.push(t.pointers[i])}),e},updatePointer:function(t,e){return t==n.EVENT_END?this.pointers={}:(e.identifier=e.pointerId,this.pointers[e.pointerId]=e),Object.keys(this.pointers).length},matchType:function(t,e){if(!e.pointerType)return!1;var i={};return i[n.POINTER_MOUSE]=e.pointerType==e.MSPOINTER_TYPE_MOUSE||e.pointerType==n.POINTER_MOUSE,i[n.POINTER_TOUCH]=e.pointerType==e.MSPOINTER_TYPE_TOUCH||e.pointerType==n.POINTER_TOUCH,i[n.POINTER_PEN]=e.pointerType==e.MSPOINTER_TYPE_PEN||e.pointerType==n.POINTER_PEN,i[t]},getEvents:function(){return["pointerdown MSPointerDown","pointermove MSPointerMove","pointerup pointercancel MSPointerUp MSPointerCancel"]},reset:function(){this.pointers={}}},n.utils={extend:function(t,e,s){for(var n in e)t[n]!==i&&s||(t[n]=e[n]);return t},hasParent:function(t,e){for(;t;){if(t==e)return!0;t=t.parentNode}return!1},getCenter:function(t){for(var e=[],i=[],s=0,n=t.length;n>s;s++)e.push(t[s].pageX),i.push(t[s].pageY);return{pageX:(Math.min.apply(Math,e)+Math.max.apply(Math,e))/2,pageY:(Math.min.apply(Math,i)+Math.max.apply(Math,i))/2}},getVelocity:function(t,e,i){return{x:Math.abs(e/t)||0,y:Math.abs(i/t)||0}},getAngle:function(t,e){var i=e.pageY-t.pageY,s=e.pageX-t.pageX;return 180*Math.atan2(i,s)/Math.PI},getDirection:function(t,e){var i=Math.abs(t.pageX-e.pageX),s=Math.abs(t.pageY-e
  33. return e=_(e),"year"===e||"month"===e?(s=432e5*(this.daysInMonth()+o.daysInMonth()),n=12*(this.year()-o.year())+(this.month()-o.month()),n+=(this-le(this).startOf("month")-(o-le(o).startOf("month")))/s,n-=6e4*(this.zone()-le(this).startOf("month").zone()-(o.zone()-le(o).startOf("month").zone()))/s,"year"===e&&(n/=12)):(s=this-o,n="second"===e?s/1e3:"minute"===e?s/6e4:"hour"===e?s/36e5:"day"===e?(s-a)/864e5:"week"===e?(s-a)/6048e5:s),i?n:p(n)},from:function(t,e){return le.duration(this.diff(t)).lang(this.lang()._abbr).humanize(!e)},fromNow:function(t){return this.from(le(),t)},calendar:function(){var t=N(le(),this).startOf("day"),e=this.diff(t,"days",!0),i=-6>e?"sameElse":-1>e?"lastWeek":0>e?"lastDay":1>e?"sameDay":2>e?"nextDay":7>e?"nextWeek":"sameElse";return this.format(this.lang().calendar(i,this))},isLeapYear:function(){return D(this.year())},isDST:function(){return this.zone()<this.clone().month(0).zone()||this.zone()<this.clone().month(5).zone()},day:function(t){var e=this._isUTC?this._d.getUTCDay():this._d.getDay();return null!=t?(t=J(t,this.lang()),this.add({d:t-e})):e},month:re("Month",!0),startOf:function(t){switch(t=_(t)){case"year":this.month(0);case"quarter":case"month":this.date(1);case"week":case"isoWeek":case"day":this.hours(0);case"hour":this.minutes(0);case"minute":this.seconds(0);case"second":this.milliseconds(0)}return"week"===t?this.weekday(0):"isoWeek"===t&&this.isoWeekday(1),"quarter"===t&&this.month(3*Math.floor(this.month()/3)),this},endOf:function(t){return t=_(t),this.startOf(t).add("isoWeek"===t?"week":t,1).subtract("ms",1)},isAfter:function(t,e){return e="undefined"!=typeof e?e:"millisecond",+this.clone().startOf(e)>+le(t).startOf(e)},isBefore:function(t,e){return e="undefined"!=typeof e?e:"millisecond",+this.clone().startOf(e)<+le(t).startOf(e)},isSame:function(t,e){return e=e||"ms",+this.clone().startOf(e)===+N(t,this).startOf(e)},min:function(t){return t=le.apply(null,arguments),this>t?this:t},max:function(t){return t=le.apply(null,arguments),t>this?this:t},zone:function(t,e){var i=this._offset||0;return null==t?this._isUTC?i:this._d.getTimezoneOffset():("string"==typeof t&&(t=H(t)),Math.abs(t)<16&&(t=60*t),this._offset=t,this._isUTC=!0,i!==t&&(!e||this._changeInProgress?m(this,le.duration(i-t,"m"),1,!1):this._changeInProgress||(this._changeInProgress=!0,le.updateOffset(this,!0),this._changeInProgress=null)),this)},zoneAbbr:function(){return this._isUTC?"UTC":""},zoneName:function(){return this._isUTC?"Coordinated Universal Time":""},parseZone:function(){return this._tzm?this.zone(this._tzm):"string"==typeof this._i&&this.zone(this._i),this},hasAlignedHourOffset:function(t){return t=t?le(t).zone():0,(this.zone()-t)%60===0},daysInMonth:function(){return x(this.year(),this.month())},dayOfYear:function(t){var e=fe((le(this).startOf("day")-le(this).startOf("year"))/864e5)+1;return null==t?e:this.add("d",t-e)},quarter:function(t){return null==t?Math.ceil((this.month()+1)/3):this.month(3*(t-1)+this.month()%3)},weekYear:function(t){var e=ee(this,this.lang()._week.dow,this.lang()._week.doy).year;return null==t?e:this.add("y",t-e)},isoWeekYear:function(t){var e=ee(this,1,4).year;return null==t?e:this.add("y",t-e)},week:function(t){var e=this.lang().week(this);return null==t?e:this.add("d",7*(t-e))},isoWeek:function(t){var e=ee(this,1,4).week;return null==t?e:this.add("d",7*(t-e))},weekday:function(t){var e=(this.day()+7-this.lang()._week.dow)%7;return null==t?e:this.add("d",t-e)},isoWeekday:function(t){return null==t?this.day()||7:this.day(this.day()%7?t:t-7)},isoWeeksInYear:function(){return E(this.year(),1,4)},weeksInYear:function(){var t=this._lang._week;return E(this.year(),t.dow,t.doy)},get:function(t){return t=_(t),this[t]()},set:function(t,e){return t=_(t),"function"==typeof this[t]&&this[t](e),this},lang:function(t){return t===s?this._lang:(this._lang=k(t),this)}}),le.fn.millisecond=le.fn.milliseconds=re("Milliseconds",!1),le.fn.second=le.fn.seconds=re("Seconds",!1),le.fn.minute=le.fn.minutes=re("Minutes",!1),le.fn.hour=le.fn.hours=re("Hours",!0),le.fn.date=re("Date",!0),le.fn.dates=o("dat