vis.js is a dynamic, browser-based visualization library
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11 years ago
11 years ago
  1. /**
  2. * vis.js
  3. * https://github.com/almende/vis
  4. *
  5. * A dynamic, browser-based visualization library.
  6. *
  7. * @version 0.3.0-SNAPSHOT
  8. * @date 2013-10-29
  9. *
  10. * @license
  11. * Copyright (C) 2011-2013 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){"object"==typeof exports?module.exports=t():"function"==typeof define&&define.amd?define(t):"undefined"!=typeof window?window.vis=t():"undefined"!=typeof global?global.vis=t():"undefined"!=typeof self&&(self.vis=t())}(function(){var t;return function e(t,i,n){function s(r,a){if(!i[r]){if(!t[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:{}};t[r][0].call(d.exports,function(e){var i=t[r][1][e];return s(i?i:e)},d,d.exports,e,t,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(t,e){!function(t,i){"use strict";function n(){if(!s.READY){s.event.determineEventTypes();for(var t in s.gestures)s.gestures.hasOwnProperty(t)&&s.detection.register(s.gestures[t]);s.event.onTouch(s.DOCUMENT,s.EVENT_MOVE,s.detection.detect),s.event.onTouch(s.DOCUMENT,s.EVENT_END,s.detection.detect),s.READY=!0}}var s=function(t,e){return new s.Instance(t,e||{})};s.defaults={stop_browser_behavior:{userSelect:"none",touchAction:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},s.HAS_POINTEREVENTS=navigator.pointerEnabled||navigator.msPointerEnabled,s.HAS_TOUCHEVENTS="ontouchstart"in t,s.MOBILE_REGEX=/mobile|tablet|ip(ad|hone|od)|android/i,s.NO_MOUSEEVENTS=s.HAS_TOUCHEVENTS&&navigator.userAgent.match(s.MOBILE_REGEX),s.EVENT_TYPES={},s.DIRECTION_DOWN="down",s.DIRECTION_LEFT="left",s.DIRECTION_UP="up",s.DIRECTION_RIGHT="right",s.POINTER_MOUSE="mouse",s.POINTER_TOUCH="touch",s.POINTER_PEN="pen",s.EVENT_START="start",s.EVENT_MOVE="move",s.EVENT_END="end",s.DOCUMENT=document,s.plugins={},s.READY=!1,s.Instance=function(t,e){var i=this;return n(),this.element=t,this.enabled=!0,this.options=s.utils.extend(s.utils.extend({},s.defaults),e||{}),this.options.stop_browser_behavior&&s.utils.stopDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),s.event.onTouch(t,s.EVENT_START,function(t){i.enabled&&s.detection.startDetect(i,t)}),this},s.Instance.prototype={on:function(t,e){for(var i=t.split(" "),n=0;n<i.length;n++)this.element.addEventListener(i[n],e,!1);return this},off:function(t,e){for(var i=t.split(" "),n=0;n<i.length;n++)this.element.removeEventListener(i[n],e,!1);return this},trigger:function(t,e){var i=s.DOCUMENT.createEvent("Event");i.initEvent(t,!0,!0),i.gesture=e;var n=this.element;return s.utils.hasParent(e.target,n)&&(n=e.target),n.dispatchEvent(i),this},enable:function(t){return this.enabled=t,this}};var o=null,r=!1,a=!1;s.event={bindDom:function(t,e,i){for(var n=e.split(" "),s=0;s<n.length;s++)t.addEventListener(n[s],i,!1)},onTouch:function(t,e,i){var n=this;this.bindDom(t,s.EVENT_TYPES[e],function(h){var d=h.type.toLowerCase();if(!d.match(/mouse/)||!a){(d.match(/touch/)||d.match(/pointerdown/)||d.match(/mouse/)&&1===h.which)&&(r=!0),d.match(/touch|pointer/)&&(a=!0);var l=0;r&&(s.HAS_POINTEREVENTS&&e!=s.EVENT_END?l=s.PointerEvent.updatePointer(e,h):d.match(/touch/)?l=h.touches.length:a||(l=d.match(/up/)?0:1),l>0&&e==s.EVENT_END?e=s.EVENT_MOVE:l||(e=s.EVENT_END),l||null===o?o=h:h=o,i.call(s.detection,n.collectEventData(t,e,h)),s.HAS_POINTEREVENTS&&e==s.EVENT_END&&(l=s.PointerEvent.updatePointer(e,h))),l||(o=null,r=!1,a=!1,s.PointerEvent.reset())}})},determineEventTypes:function(){var t;t=s.HAS_POINTEREVENTS?s.PointerEvent.getEvents():s.NO_MOUSEEVENTS?["touchstart","touchmove","touchend touchcancel"]:["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],s.EVENT_TYPES[s.EVENT_START]=t[0],s.EVENT_TYPES[s.EVENT_MOVE]=t[1],s.EVENT_TYPES[s.EVENT_END]=t[2]},getTouchList:function(t){return s.HAS_POINTEREVENTS?s.PointerEvent.getTouchList():t.touches?t.touches:[{identifier:1,pageX:t.pageX,pageY:t.pageY,target:t.target}]},collectEventData:function(t,e,i){var n=this.getTouchList(i,e),o=s.POINTER_TOUCH;return(i.type.match(/mouse/)||s.PointerEvent.matchType(s.POINTER_MOUSE,i))&&(o=s.POINTER_MOUSE),{center:s.utils.getCenter(n),timeStamp:(new Date).getTime(),target:i.target,touches:n,eventT
  26. },from:function(t,e){return se.duration(this.diff(t)).lang(this.lang()._abbr).humanize(!e)},fromNow:function(t){return this.from(se(),t)},calendar:function(){var t=this.diff(se().zone(this.zone()).startOf("day"),"days",!0),e=-6>t?"sameElse":-1>t?"lastWeek":0>t?"lastDay":1>t?"sameDay":2>t?"nextDay":7>t?"nextWeek":"sameElse";return this.format(this.lang().calendar(e,this))},isLeapYear:function(){return E(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=X(t,this.lang()),this.add({d:t-e})):e},month:function(t){var e,i=this._isUTC?"UTC":"";return null!=t?"string"==typeof t&&(t=this.lang().monthsParse(t),"number"!=typeof t)?this:(e=this.date(),this.date(1),this._d["set"+i+"Month"](t),this.date(Math.min(e,this.daysInMonth())),se.updateOffset(this),this):this._d["get"+i+"Month"]()},startOf:function(t){switch(t=g(t)){case"year":this.month(0);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),this},endOf:function(t){return t=g(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)>+se(t).startOf(e)},isBefore:function(t,e){return e="undefined"!=typeof e?e:"millisecond",+this.clone().startOf(e)<+se(t).startOf(e)},isSame:function(t,e){return e="undefined"!=typeof e?e:"millisecond",+this.clone().startOf(e)===+se(t).startOf(e)},min:function(t){return t=se.apply(null,arguments),this>t?this:t},max:function(t){return t=se.apply(null,arguments),t>this?this:t},zone:function(t){var e=this._offset||0;return null==t?this._isUTC?e:this._d.getTimezoneOffset():("string"==typeof t&&(t=P(t)),Math.abs(t)<16&&(t=60*t),this._offset=t,this._isUTC=!0,e!==t&&c(this,se.duration(e-t,"m"),1,!0),this)},zoneAbbr:function(){return this._isUTC?"UTC":""},zoneName:function(){return this._isUTC?"Coordinated Universal Time":""},parseZone:function(){return"string"==typeof this._i&&this.zone(this._i),this},hasAlignedHourOffset:function(t){return t=t?se(t).zone():0,0===(this.zone()-t)%60},daysInMonth:function(){return _(this.year(),this.month())},dayOfYear:function(t){var e=ae((se(this).startOf("day")-se(this).startOf("year"))/864e5)+1;return null==t?e:this.add("d",t-e)},weekYear:function(t){var e=$(this,this.lang()._week.dow,this.lang()._week.doy).year;return null==t?e:this.add("y",t-e)},isoWeekYear:function(t){var e=$(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=$(this,1,4).week;return null==t?e:this.add("d",7*(t-e))},weekday:function(t){var e=(this.day()+7-this.lang()._week.dow)%7;return null==t?e:this.add("d",t-e)},isoWeekday:function(t){return null==t?this.day()||7:this.day(this.day()%7?t:t-7)},get:function(t){return t=g(t),this[t]()},set:function(t,e){return t=g(t),"function"==typeof this[t]&&this[t](e),this},lang:function(t){return t===n?this._lang:(this._lang=O(t),this)}}),oe=0;oe<Ye.length;oe++)te(Ye[oe].toLowerCase().replace(/s$/,""),Ye[oe]);te("year","FullYear"),se.fn.days=se.fn.day,se.fn.months=se.fn.month,se.fn.weeks=se.fn.week,se.fn.isoWeeks=se.fn.isoWeek,se.fn.toJSON=se.fn.toISOString,d(se.duration.fn=h.prototype,{_bubble:function(){var t,e,i,n,s=this._milliseconds,o=this._days,r=this._months,a=this._data;a.milliseconds=s%1e3,t=l(s/1e3),a.seconds=t%60,e=l(t/60),a.minutes=e%60,i=l(e/60),a.hours=i%24,o+=l(i/24),a.days=o%30,r+=l(o/30),a.months=r%12,n=l(r/12),a.years=n},weeks:function(){return l(this.days()/7)},valueOf:function(){return this._milliseconds+864e5*this._days+2592e6*(this._months%12)+31536e6*w(this._months/12)},humanize:function(t){var e=+this,i=K(e,!t,this.lang());return t&&(i=this.lang().pastFuture(e,i)),this.lang().postformat(i)},add:function(t,e){var i=se.duration(t,e);return this._mi
  27. }},r.prototype.subscribe=o.prototype.subscribe,r.prototype.unsubscribe=o.prototype.unsubscribe,r.prototype._trigger=o.prototype._trigger,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){t instanceof Date&&e instanceof Date&&(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.setMilliseconds(this.current.getMilliseconds()-this.current.getMilliseconds()%this.step);break;case TimeStep.SCALE.SECOND:this.current.setSeconds(this.current.getSeconds()-this.current.getSeconds()%this.step);break;case TimeStep.SCALE.MINUTE:this.current.setMinutes(this.current.getMinutes()-this.current.getMinutes()%this.step);break;case TimeStep.SCALE.HOUR:this.current.setHours(this.current.getHours()-this.current.getHours()%this.step);break;case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:this.current.setDate(this.current.getDate()-1-(this.current.getDate()-1)%this.step+1);break;case TimeStep.SCALE.MONTH:this.current.setMonth(this.current.getMonth()-this.current.getMonth()%this.step);break;case TimeStep.SCALE.YEAR:this.current.setFullYear(this.current.getFullYear()-this.current.getFullYear()%this.step)}},TimeStep.prototype.hasNext=function(){return this.current.valueOf()<=this._end.valueOf()},TimeStep.prototype.next=function(){var t=this.current.valueOf();if(this.current.getMonth()<6)switch(this.scale){case TimeStep.SCALE.MILLISECOND:this.current=new Date(this.current.valueOf()+this.step);break;case TimeStep.SCALE.SECOND:this.current=new Date(this.current.valueOf()+1e3*this.step);break;case TimeStep.SCALE.MINUTE:this.current=new Date(this.current.valueOf()+60*1e3*this.step);break;case TimeStep.SCALE.HOUR:this.current=new Date(this.current.valueOf()+60*60*1e3*this.step);var e=this.current.getHours();this.current.setHours(e-e%this.step);break;case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:this.current.setDate(this.current.getDate()+this.step);break;case TimeStep.SCALE.MONTH:this.current.setMonth(this.current.getMonth()+this.step);break;case TimeStep.SCALE.YEAR:this.current.setFullYear(this.current.getFullYear()+this.step)}else switch(this.scale){case TimeStep.SCALE.MILLISECOND:this.current=new Date(this.current.valueOf()+this.step);break;case TimeStep.SCALE.SECOND:this.current.setSeconds(this.current.getSeconds()+this.step);break;case TimeStep.SCALE.MINUTE:this.current.setMinutes(this.current.getMinutes()+this.step);break;case TimeStep.SCALE.HOUR:this.current.setHours(this.current.getHours()+this.step);break;case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:this.current.setDate(this.current.getDate()+this.step);break;case TimeStep.SCALE.MONTH:this.current.setMonth(this.current.getMonth()+this.step);break;case TimeStep.SCALE.YEAR:this.current.setFullYear(this.current.getFullYear()+this.step)}if(1!=this.step)switch(this.scale){case TimeStep.SCALE.MILLISECOND:this.current.getMilliseconds()<this.step&&this.current.setMilliseconds(0);break;case TimeStep.SCALE.SECOND:this.current.getSeconds()<this.step&&this.current.setSeconds(0);break;case TimeStep.SCALE.MINUTE:this.current.getMinutes()<this.step&&this.current.setMinutes(0);break;case TimeStep.SCAL
  28. },m.prototype._updateConversion=function(){var t=this.range;if(!t)throw new Error("No range configured");this.conversion=t.conversion?t.conversion(this.width):h.conversion(t.start,t.end,this.width)},m.prototype.toTime=function(t){var e=this.conversion;return new Date(t/e.factor+e.offset)},m.prototype.toScreen=function(t){var e=this.conversion;return(t.valueOf()-e.offset)*e.factor},g.prototype.select=function(){this.selected=!0},g.prototype.unselect=function(){this.selected=!1},g.prototype.show=function(){return!1},g.prototype.hide=function(){return!1},g.prototype.repaint=function(){return!1},g.prototype.reflow=function(){return!1},v.prototype=new g(null,null),v.prototype.select=function(){this.selected=!0},v.prototype.unselect=function(){this.selected=!1},v.prototype.repaint=function(){var t=!1,e=this.dom;if(e||(this._create(),e=this.dom,t=!0),e){if(!this.parent)throw new Error("Cannot repaint item: no parent attached");var i=this.parent.getForeground();if(!i)throw new Error("Cannot repaint time axis: parent has no foreground container element");var n=this.parent.getBackground();if(!n)throw new Error("Cannot repaint time axis: parent has no background container element");var s=this.parent.getAxis();if(!n)throw new Error("Cannot repaint time axis: parent has no axis container element");if(e.box.parentNode||(i.appendChild(e.box),t=!0),e.line.parentNode||(n.appendChild(e.line),t=!0),e.dot.parentNode||(s.appendChild(e.dot),t=!0),this.data.content!=this.content){if(this.content=this.data.content,this.content instanceof Element)e.content.innerHTML="",e.content.appendChild(this.content);else{if(void 0==this.data.content)throw new Error('Property "content" missing in item '+this.data.id);e.content.innerHTML=this.content}t=!0}var o=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=o&&(this.className=o,e.box.className="item box"+o,e.line.className="item line"+o,e.dot.className="item dot"+o,t=!0)}return t},v.prototype.show=function(){return this.dom&&this.dom.box.parentNode?!1:this.repaint()},v.prototype.hide=function(){var t=!1,e=this.dom;return e&&(e.box.parentNode&&(e.box.parentNode.removeChild(e.box),t=!0),e.line.parentNode&&e.line.parentNode.removeChild(e.line),e.dot.parentNode&&e.dot.parentNode.removeChild(e.dot)),t},v.prototype.reflow=function(){var t,e,i,n,s,o,r,a,h,d,l,p,c=0;if(void 0==this.data.start)throw new Error('Property "start" missing in item '+this.data.id);if(l=this.data,p=this.parent&&this.parent.range,l&&p){var u=p.end-p.start;this.visible=l.start>p.start-u&&l.start<p.end+u}else this.visible=!1;if(this.visible)if(e=this.dom)if(t=N.updateProperty,i=this.props,n=this.options,o=this.parent.toScreen(this.data.start),r=n.align||this.defaultOptions.align,s=n.margin&&n.margin.axis||this.defaultOptions.margin.axis,a=n.orientation||this.defaultOptions.orientation,c+=t(i.dot,"height",e.dot.offsetHeight),c+=t(i.dot,"width",e.dot.offsetWidth),c+=t(i.line,"width",e.line.offsetWidth),c+=t(i.line,"height",e.line.offsetHeight),c+=t(i.line,"top",e.line.offsetTop),c+=t(this,"width",e.box.offsetWidth),c+=t(this,"height",e.box.offsetHeight),d="right"==r?o-this.width:"left"==r?o:o-this.width/2,c+=t(this,"left",d),c+=t(i.line,"left",o-i.line.width/2),c+=t(i.dot,"left",o-i.dot.width/2),c+=t(i.dot,"top",-i.dot.height/2),"top"==a)h=s,c+=t(this,"top",h);else{var f=this.parent.height;h=f-this.height-s,c+=t(this,"top",h)}else c+=1;return c>0},v.prototype._create=function(){var t=this.dom;t||(this.dom=t={},t.box=document.createElement("DIV"),t.content=document.createElement("DIV"),t.content.className="content",t.box.appendChild(t.content),t.line=document.createElement("DIV"),t.line.className="line",t.dot=document.createElement("DIV"),t.dot.className="dot")},v.prototype.reposition=function(){var t=this.dom,e=this.props,i=this.options.orientation||this.defaultOptions.orientation;if(t){var n=t.box,s=t.line,o=t.dot;n.style.left=this.left+"px",n.style.top=this.top+"px",s.style.left=e.line.left+"px","top"==i?(s.style.top="0px",s.style.height=this.top+"px"):(s.style.top=this.top+this.height+"px",s.st
  29. },T.prototype._drawDot=function(t){this._drawShape(t,"circle")},T.prototype._drawTriangle=function(t){this._drawShape(t,"triangle")},T.prototype._drawTriangleDown=function(t){this._drawShape(t,"triangleDown")},T.prototype._drawSquare=function(t){this._drawShape(t,"square")},T.prototype._drawStar=function(t){this._drawShape(t,"star")},T.prototype._resizeShape=function(){if(!this.width){var t=2*this.radius;this.width=t,this.height=t}},T.prototype._drawShape=function(t,e){this._resizeShape(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2,t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.lineWidth=this.selected?2:1,t[e](this.x,this.y,this.radius),t.fill(),t.stroke(),this.label&&this._label(t,this.label,this.x,this.y+this.height/2,void 0,"top")},T.prototype._resizeText=function(t){if(!this.width){var e=5,i=this.getTextSize(t);this.width=i.width+2*e,this.height=i.height+2*e}},T.prototype._drawText=function(t){this._resizeText(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2,this._label(t,this.label,this.x,this.y)},T.prototype._label=function(t,e,i,n,s,o){if(e){t.font=(this.selected?"bold ":"")+this.fontSize+"px "+this.fontFace,t.fillStyle=this.fontColor||"black",t.textAlign=s||"center",t.textBaseline=o||"middle";for(var r=e.split("\n"),a=r.length,h=this.fontSize+4,d=n+(1-a)/2*h,l=0;a>l;l++)t.fillText(r[l],i,d),d+=h}},T.prototype.getTextSize=function(t){if(void 0!=this.label){t.font=(this.selected?"bold ":"")+this.fontSize+"px "+this.fontFace;for(var e=this.label.split("\n"),i=(this.fontSize+4)*e.length,n=0,s=0,o=e.length;o>s;s++)n=Math.max(n,t.measureText(e[s]).width);return{width:n,height:i}}return{width:0,height:0}},x.prototype.setProperties=function(t,e){if(t)switch(void 0!=t.from&&(this.fromId=t.from),void 0!=t.to&&(this.toId=t.to),void 0!=t.id&&(this.id=t.id),void 0!=t.style&&(this.style=t.style),void 0!=t.label&&(this.label=t.label),this.label&&(this.fontSize=e.edges.fontSize,this.fontFace=e.edges.fontFace,this.fontColor=e.edges.fontColor,void 0!=t.fontColor&&(this.fontColor=t.fontColor),void 0!=t.fontSize&&(this.fontSize=t.fontSize),void 0!=t.fontFace&&(this.fontFace=t.fontFace)),void 0!=t.title&&(this.title=t.title),void 0!=t.width&&(this.width=t.width),void 0!=t.value&&(this.value=t.value),void 0!=t.length&&(this.length=t.length),t.dash&&(void 0!=t.dash.length&&(this.dash.length=t.dash.length),void 0!=t.dash.gap&&(this.dash.gap=t.dash.gap),void 0!=t.dash.altLength&&(this.dash.altLength=t.dash.altLength)),void 0!=t.color&&(this.color=t.color),this.connect(),this.widthFixed=this.widthFixed||void 0!=t.width,this.lengthFixed=this.lengthFixed||void 0!=t.length,this.stiffness=1/this.length,this.style){case"line":this.draw=this._drawLine;break;case"arrow":this.draw=this._drawArrow;break;case"arrow-center":this.draw=this._drawArrowCenter;break;case"dash-line":this.draw=this._drawDashLine;break;default:this.draw=this._drawLine}},x.prototype.connect=function(){this.disconnect(),this.from=this.graph.nodes[this.fromId]||null,this.to=this.graph.nodes[this.toId]||null,this.connected=this.from&&this.to,this.connected?(this.from.attachEdge(this),this.to.attachEdge(this)):(this.from&&this.from.detachEdge(this),this.to&&this.to.detachEdge(this))},x.prototype.disconnect=function(){this.from&&(this.from.detachEdge(this),this.from=null),this.to&&(this.to.detachEdge(this),this.to=null),this.connected=!1},x.prototype.getTitle=function(){return this.title},x.prototype.getValue=function(){return this.value},x.prototype.setValueRange=function(t,e){if(!this.widthFixed&&void 0!==this.value){var i=(this.widthMax-this.widthMin)/(e-t);this.width=(this.value-t)*i+this.widthMin}},x.prototype.draw=function(){throw"Method draw not initialized in edge"},x.prototype.isOverlappingWith=function(t){var e=10,i=this.from.x,n=this.from.y,s=this.to.x,o=this.to.y,r=t.left,a=t.top,h=x._dist(i,n,s,o,r,a);return e>h},x.prototype._drawLine=function(t){t.strokeStyle=this.color,t.lineWidth=this._getLineWidth();var e;if(this.from!=this.