jrtechs
/
jrtechs-vis
mirror of https://github.com/jrtechs/vis.git
1
0
Fork 0
Code Issues 0 Releases 82 Wiki Activity
vis.js is a dynamic, browser-based visualization library
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
172 Commits
33 Branches
3.7 GiB
Tree: 981ba12282
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '981ba12282'
${ noResults }
jrtechs-vis/vis.min.js

28 lines
154 KiB
Raw Normal View History

Initial import
11 years ago
Changed build script to generate a single library vis.js in the project root
11 years ago
Initial import
11 years ago
​
​
​
Update compiled js files
11 years ago
Switched to 2-space indentation
11 years ago
Initial import
11 years ago
​
​
​
​
​
​
​
​
​
​
​
​
​
​
​
Switched to 2-space indentation
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    2014-01-03
  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){if("function"==typeof bootstrap)bootstrap("vis",t);else if("object"==typeof exports)module.exports=t();else if("function"==typeof define&&define.amd)define(t);else if("undefined"!=typeof ses){if(!ses.ok())return;ses.makeVis=t}else"undefined"!=typeof window?window.vis=t():global.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 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;n.length>r;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;i.length>n;n++)this.element.addEventListener(i[n],e,!1);return this},off:function(t,e){for(var i=t.split(" "),n=0;i.length>n;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;n.length>s;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
  26. }this.subscribers={},this.internalIds={}}function r(t,e){this.id=A.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 a(t,e){this.parent=t,this.options=e||{},this.defaultOptions={order:function(t,e){if(t instanceof E){if(e instanceof E){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 E?1:t.data.start-e.data.start},margin:{item:10}},this.ordered=[]}function h(t){this.id=A.randomUUID(),this.start=null,this.end=null,this.options=t||{},this.setOptions(t)}function d(t){if("horizontal"!=t&&"vertical"!=t)throw new TypeError('Unknown direction "'+t+'". '+'Choose "horizontal" or "vertical".')}function l(t,e){return{x:t.pageX-R.util.getAbsoluteLeft(e),y:t.pageY-R.util.getAbsoluteTop(e)}}function p(){this.id=A.randomUUID(),this.components={},this.repaintTimer=void 0,this.reflowTimer=void 0}function c(){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 u(t,e,i){this.id=A.randomUUID(),this.parent=t,this.depends=e,this.options=i||{}}function f(t,e){this.id=A.randomUUID(),this.container=t,this.options=e||{},this.defaultOptions={autoResize:!0},this.listeners={}}function m(t,e,i){this.id=A.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 g(t,e,i){this.id=A.randomUUID(),this.parent=t,this.depends=e,this.options=i||{},this.defaultOptions={showCurrentTime:!1}}function v(t,e,i){this.id=A.randomUUID(),this.parent=t,this.depends=e,this.options=i||{},this.defaultOptions={showCustomTime:!1},this.listeners=[],this.customTime=new Date}function y(t,e,i){this.id=A.randomUUID(),this.parent=t,this.depends=e,this.options=i||{},this.defaultOptions={type:"box",align:"center",orientation:"bottom",margin:{axis:20,item:10},padding:5},this.dom={};var n=this;this.itemsData=null,this.range=null,this.listeners={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.items={},this.queue={},this.stack=new a(this,Object.create(this.options)),this.conversion=null}function b(t,e,i,n){this.parent=t,this.data=e,this.dom=null,this.options=i||{},this.defaultOptions=n||{},this.selected=!1,this.visible=!1,this.top=0,this.left=0,this.width=0,this.height=0}function w(t,e,i,n){this.props={dot:{left:0,top:0,width:0,height:0},line:{top:0,left:0,width:0,height:0}},b.call(this,t,e,i,n)}function _(t,e,i,n){this.props={dot:{top:0,width:0,height:0},content:{height:0,marginLeft:0}},b.call(this,t,e,i,n)}function E(t,e,i,n){this.props={content:{left:0,width:0}},b.call(this,t,e,i,n)}function T(t,e,i,n){this.props={content:{left:0,width:0}},E.call(this,t,e,i,n)}function x(t,e,i){this.id=A.randomUUID(),this.parent=t,this.groupId=e,this.itemset=null,this.options=i||{},this.options.top=0,this.props={label:{width:0,height:0}},this.top=0,this.left=0,this.width=0,this.height=0}function S(t,e,i){this.id=A.randomUUID(),this.parent=t,this.depends=e,this.options=i||{},this.range=null,this.itemsData=null,this.groupsData=null,this.groups={},this.dom={},this.props={labels:{width:0}},this.queue={};var n=this;this.listeners={add:function(t,e){n._onAdd(e.items)},update:function(t,e){n._onUpdate(e.items)},remove:function(t,e){n._onRemove(e.items)}}}function D(t,e,i){var n=this,s=I().hours(0).minutes(0).seconds(0).milliseconds(0);if(this.options={orientation:"bottom",min:null,max:null,zoomMin:10,zoomMax:31536e10,showMinorLabels:!0,showMajorLabels:!0,showCurrentTime:!1,showCustomTime:!1,autoResize:!1},this.controller=new p,!t)throw Error("No container ele
  27. }},TimeStep.prototype.snap=function(t){if(this.scale==TimeStep.SCALE.YEAR){var e=t.getFullYear()+Math.round(t.getMonth()/12);t.setFullYear(Math.round(e/this.step)*this.step),t.setMonth(0),t.setDate(0),t.setHours(0),t.setMinutes(0),t.setSeconds(0),t.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.MONTH)t.getDate()>15?(t.setDate(1),t.setMonth(t.getMonth()+1)):t.setDate(1),t.setHours(0),t.setMinutes(0),t.setSeconds(0),t.setMilliseconds(0);else if(this.scale==TimeStep.SCALE.DAY||this.scale==TimeStep.SCALE.WEEKDAY){switch(this.step){case 5:case 2:t.setHours(24*Math.round(t.getHours()/24));break;default:t.setHours(12*Math.round(t.getHours()/12))}t.setMinutes(0),t.setSeconds(0),t.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.HOUR){switch(this.step){case 4:t.setMinutes(60*Math.round(t.getMinutes()/60));break;default:t.setMinutes(30*Math.round(t.getMinutes()/30))}t.setSeconds(0),t.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.MINUTE){switch(this.step){case 15:case 10:t.setMinutes(5*Math.round(t.getMinutes()/5)),t.setSeconds(0);break;case 5:t.setSeconds(60*Math.round(t.getSeconds()/60));break;default:t.setSeconds(30*Math.round(t.getSeconds()/30))}t.setMilliseconds(0)}else if(this.scale==TimeStep.SCALE.SECOND)switch(this.step){case 15:case 10:t.setSeconds(5*Math.round(t.getSeconds()/5)),t.setMilliseconds(0);break;case 5:t.setMilliseconds(1e3*Math.round(t.getMilliseconds()/1e3));break;default:t.setMilliseconds(500*Math.round(t.getMilliseconds()/500))}else if(this.scale==TimeStep.SCALE.MILLISECOND){var i=this.step>5?this.step/2:1;t.setMilliseconds(Math.round(t.getMilliseconds()/i)*i)}},TimeStep.prototype.isMajor=function(){switch(this.scale){case TimeStep.SCALE.MILLISECOND:return 0==this.current.getMilliseconds();case TimeStep.SCALE.SECOND:return 0==this.current.getSeconds();case TimeStep.SCALE.MINUTE:return 0==this.current.getHours()&&0==this.current.getMinutes();case TimeStep.SCALE.HOUR:return 0==this.current.getHours();case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:return 1==this.current.getDate();case TimeStep.SCALE.MONTH:return 0==this.current.getMonth();case TimeStep.SCALE.YEAR:return!1;default:return!1}},TimeStep.prototype.getLabelMinor=function(t){switch(void 0==t&&(t=this.current),this.scale){case TimeStep.SCALE.MILLISECOND:return I(t).format("SSS");case TimeStep.SCALE.SECOND:return I(t).format("s");case TimeStep.SCALE.MINUTE:return I(t).format("HH:mm");case TimeStep.SCALE.HOUR:return I(t).format("HH:mm");case TimeStep.SCALE.WEEKDAY:return I(t).format("ddd D");case TimeStep.SCALE.DAY:return I(t).format("D");case TimeStep.SCALE.MONTH:return I(t).format("MMM");case TimeStep.SCALE.YEAR:return I(t).format("YYYY");default:return""}},TimeStep.prototype.getLabelMajor=function(t){switch(void 0==t&&(t=this.current),this.scale){case TimeStep.SCALE.MILLISECOND:return I(t).format("HH:mm:ss");case TimeStep.SCALE.SECOND:return I(t).format("D MMMM HH:mm");case TimeStep.SCALE.MINUTE:case TimeStep.SCALE.HOUR:return I(t).format("ddd D MMMM");case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:return I(t).format("MMMM YYYY");case TimeStep.SCALE.MONTH:return I(t).format("YYYY");case TimeStep.SCALE.YEAR:return"";default:return""}},a.prototype.setOptions=function(t){A.extend(this.options,t)},a.prototype.update=function(){this._order(),this._stack()},a.prototype._order=function(){var t=this.parent.items;if(!t)throw Error("Cannot stack items: parent does not contain items");var e=[],i=0;A.forEach(t,function(t){t.visible&&(e[i]=t,i++)});var n=this.options.order||this.defaultOptions.order;if("function"!=typeof n)throw Error("Option order must be a function");e.sort(n),this.ordered=e},a.prototype._stack=function(){var t,e,i,n=this.ordered,s=this.options,o=s.orientation||this.defaultOptions.orientation,r="top"==o;for(i=s.margin&&void 0!==s.margin.item?s.margin.item:this.defaultOptions.margin.item,t=0,e=n.length;e>t;t++){var a=n[t],h=null;do h=this.checkOverlap(n,t,0,t-1,i),null!=h&&(a.top=r?h.top+h.height+i:h.top-a.height-i);while(h)}},a.prototype.checkOverlap=function(t,e,i,n,s){for(var o=this.collision,r=t[e],a=n;a>=i;a--)
  28. var i=this.parent.getForeground();if(!i)throw Error("Cannot repaint time axis: parent has no foreground container element");if(e.point.parentNode||(i.appendChild(e.point),i.appendChild(e.point),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 Error('Property "content" missing in item '+this.data.id);e.content.innerHTML=this.content}t=!0}var n=(this.data.className?" "+this.data.className:"")+(this.selected?" selected":"");this.className!=n&&(this.className=n,e.point.className="item point"+n,t=!0)}return t},_.prototype.show=function(){return this.dom&&this.dom.point.parentNode?!1:this.repaint()},_.prototype.hide=function(){var t=!1,e=this.dom;return e&&e.point.parentNode&&(e.point.parentNode.removeChild(e.point),t=!0),t},_.prototype.reflow=function(){var t,e,i,n,s,o,r,a,h,d,l=0;if(void 0==this.data.start)throw Error('Property "start" missing in item '+this.data.id);if(h=this.data,d=this.parent&&this.parent.range,h&&d){var p=d.end-d.start;this.visible=h.start>d.start-p&&h.start<d.end}else this.visible=!1;if(this.visible)if(e=this.dom){if(t=A.updateProperty,i=this.props,n=this.options,o=n.orientation||this.defaultOptions.orientation,s=n.margin&&n.margin.axis||this.defaultOptions.margin.axis,r=this.parent.toScreen(this.data.start),l+=t(this,"width",e.point.offsetWidth),l+=t(this,"height",e.point.offsetHeight),l+=t(i.dot,"width",e.dot.offsetWidth),l+=t(i.dot,"height",e.dot.offsetHeight),l+=t(i.content,"height",e.content.offsetHeight),"top"==o)a=s;else{var c=this.parent.height;a=Math.max(c-this.height-s,0)}l+=t(this,"top",a),l+=t(this,"left",r-i.dot.width/2),l+=t(i.content,"marginLeft",1.5*i.dot.width),l+=t(i.dot,"top",(this.height-i.dot.height)/2)}else l+=1;return l>0},_.prototype._create=function(){var t=this.dom;t||(this.dom=t={},t.point=document.createElement("div"),t.content=document.createElement("div"),t.content.className="content",t.point.appendChild(t.content),t.dot=document.createElement("div"),t.dot.className="dot",t.point.appendChild(t.dot))},_.prototype.reposition=function(){var t=this.dom,e=this.props;t&&(t.point.style.top=this.top+"px",t.point.style.left=this.left+"px",t.content.style.marginLeft=e.content.marginLeft+"px",t.dot.style.top=e.dot.top+"px")},E.prototype=new b(null,null),E.prototype.select=function(){this.selected=!0},E.prototype.unselect=function(){this.selected=!1},E.prototype.repaint=function(){var t=!1,e=this.dom;if(e||(this._create(),e=this.dom,t=!0),e){if(!this.parent)throw Error("Cannot repaint item: no parent attached");var i=this.parent.getForeground();if(!i)throw Error("Cannot repaint time axis: parent has no foreground container element");if(e.box.parentNode||(i.appendChild(e.box),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 Error('Property "content" missing in item '+this.data.id);e.content.innerHTML=this.content}t=!0}var n=this.data.className?" "+this.data.className:"";this.className!=n&&(this.className=n,e.box.className="item range"+n,t=!0)}return t},E.prototype.show=function(){return this.dom&&this.dom.box.parentNode?!1:this.repaint()},E.prototype.hide=function(){var t=!1,e=this.dom;return e&&e.box.parentNode&&(e.box.parentNode.removeChild(e.box),t=!0),t},E.prototype.reflow=function(){var t,e,i,n,s,o,r,a,h,d,l,p,c,u,f,m,g=0;if(void 0==this.data.start)throw Error('Property "start" missing in item '+this.data.id);if(void 0==this.data.end)throw Error('Property "end" missing in item '+this.data.id);return h=this.data,d=this.parent&&this.parent.range,this.visible=h&&d?h.start<d.end&&h.end>d.start:!1,this.visible&&(t=this.dom,t?(e=this.props,i=this.options,o=this.parent,r=o.toScreen(this.data.start),a=o.toScreen(this.data.end),l=A.updateProperty,p=t.box,c=o.width,f=i.orientation||this.defaultOptions.orientation,n=i.margin&&i.margin.axis||this.defaultOptions.margin.axis,s=i.padding||th
  29. },C.prototype.disconnect=function(){this.from&&(this.from.detachEdge(this),this.from=null),this.to&&(this.to.detachEdge(this),this.to=null),this.connected=!1},C.prototype.getTitle=function(){return this.title},C.prototype.getValue=function(){return this.value},C.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}},C.prototype.draw=function(){throw"Method draw not initialized in edge"},C.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=C._dist(i,n,s,o,r,a);return e>h},C.prototype._drawLine=function(t){t.strokeStyle=this.color,t.lineWidth=this._getLineWidth();var e;if(this.from!=this.to)this._line(t),this.label&&(e=this._pointOnLine(.5),this._label(t,this.label,e.x,e.y));else{var i,n,s=this.length/4,o=this.from;o.width||o.resize(t),o.width>o.height?(i=o.x+o.width/2,n=o.y-s):(i=o.x+s,n=o.y-o.height/2),this._circle(t,i,n,s),e=this._pointOnCircle(i,n,s,.5),this._label(t,this.label,e.x,e.y)}},C.prototype._getLineWidth=function(){return this.from.selected||this.to.selected?Math.min(2*this.width,this.widthMax):this.width},C.prototype._line=function(t){t.beginPath(),t.moveTo(this.from.x,this.from.y),t.lineTo(this.to.x,this.to.y),t.stroke()},C.prototype._circle=function(t,e,i,n){t.beginPath(),t.arc(e,i,n,0,2*Math.PI,!1),t.stroke()},C.prototype._label=function(t,e,i,n){if(e){t.font=(this.from.selected||this.to.selected?"bold ":"")+this.fontSize+"px "+this.fontFace,t.fillStyle="white";var s=t.measureText(e).width,o=this.fontSize,r=i-s/2,a=n-o/2;t.fillRect(r,a,s,o),t.fillStyle=this.fontColor||"black",t.textAlign="left",t.textBaseline="top",t.fillText(e,r,a)}},C.prototype._drawDashLine=function(t){if(t.strokeStyle=this.color,t.lineWidth=this._getLineWidth(),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(),this.label){var e=this._pointOnLine(.5);this._label(t,this.label,e.x,e.y)}},C.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}},C.prototype._pointOnCircle=function(t,e,i,n){var s=2*(n-3/8)*Math.PI;return{x:t+i*Math.cos(s),y:e-i*Math.sin(s)}},C.prototype._drawArrowCenter=function(t){var e;if(t.strokeStyle=this.color,t.fillStyle=this.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),n=10+5*this.width;e=this._pointOnLine(.5),t.arrow(e.x,e.y,i,n),t.fill(),t.stroke(),this.label&&(e=this._pointOnLine(.5),this._label(t,this.label,e.x,e.y))}else{var s,o,r=this.length/4,a=this.from;a.width||a.resize(t),a.width>a.height?(s=a.x+a.width/2,o=a.y-r):(s=a.x+r,o=a.y-a.height/2),this._circle(t,s,o,r);var i=.2*Math.PI,n=10+5*this.width;e=this._pointOnCircle(s,o,r,.5),t.arrow(e.x,e.y,i,n),t.fill(),t.stroke(),this.label&&(e=this._pointOnCircle(s,o,r,.5),this._label(t,this.label,e.x,e.y))}},C.prototype._drawArrow=function(t){t.strokeStyle=this.color,t.fillStyle=this.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 n=this.to.x-this.from.x,s=this.to.y-this.from.y,o=Math.sqrt(n*n+s*s),r=this.from.distanceToBorder(t,e+Math.PI),a=(o-r)/o,h=a*this.from.x+(1-a)*this.to.x,d=a*this.from.y+(1-a)*this.to.y,l=this.to.distanceToBorder(t,e),p=(o-l)/o,c=(1-p)*this.from.x+p*this.to.x,u=(1-p)*this.from.y+p*this.to.y;if(t.beginPath(),t.moveTo(h,d),t.lineTo(c,u),t.stroke(),i=10+5*this.width,t.arrow(c,u,e,i),t.fill(),t.stroke(),this.label){var f=this._pointOnLine(.5);this._label(t,this.label,f.x,f.y)}}else{var m,g,v,y=this.from,b=this.length/4;y.width||y.resize(t),y.width>y.height?(m=y.x+y.width/2,g=y.y-b,v={x:m,y:y.y,angle:.