jrtechs-vis/dist/vis.min.js

/**
 * vis.js
 * https://github.com/almende/vis
 *
 * A dynamic, browser-based visualization library.
 *
 * @version 0.4.0-SNAPSHOT
 * @date    2014-01-21
 *
 * @license
 * Copyright (C) 2011-2014 Almende B.V, http://almende.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
!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 t;return function e(t,i,s){function n(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 n(i?i:e)},d,d.exports,e,t,i,s)}return i[r].exports}for(var o="function"==typeof require&&require,r=0;r<s.length;r++)n(s[r]);return n}({1:[function(e,i,s){function n(){this.subscriptions=[]}function o(t){if(this.id=z.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 r(t,e){this.id=z.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 S){if(e instanceof S){var i=t.data.end-t.data.start,s=e.data.end-e.data.start;return i-s||t.data.start-e.data.start}return-1}return e instanceof S?1:t.data.start-e.data.start},margin:{item:10}},this.ordered=[]}function h(t){this.id=z.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 c(t,e){return{x:t.pageX-H.util.getAbsoluteLeft(e),y:t.pageY-H.util.getAbsoluteTop(e)}}function l(){this.id=z.randomUUID(),this.components={},this.repaintTimer=void 0,this.reflowTimer=void 0}function u(){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 p(t,e,i){this.id=z.randomUUID(),this.parent=t,this.depends=e,this.options=i||{}}function f(t,e){this.id=z.randomUUID(),this.container=t,this.options=e||{},this.defaultOptions={autoResize:!0},this.listeners={}}function g(t,e,i){this.id=z.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 m(t,e,i){this.id=z.randomUUID(),this.parent=t,this.depends=e,this.options=i||{},this.defaultOptions={showCurrentTime:!1}}function v(t,e,i){this.id=z.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=z.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 s=this;this.itemsData=null,this.range=null,this.listeners={add:function(t,e,i){i!=s.id&&s._onAdd(e.items)},update:function(t,e,i){i!=s.id&&s._onUpdate(e.items)},remove:function(t,e,i){i!=s.id&&s._onRemove(e.items)}},this.items={},this.selection=[],this.queue={},this.stack=new a(this,Object.create(this.options)),this.conversion=null}function w(t,e,i,s){this.parent=t,this.data=e,this.dom=null,this.options=i||{},this.defaultOptions=s||{},this.selected=!1,this.visible=!1,this.top=0,this.left=0,this.width=0,this.height=0}function _(t,e,i,s){this.props={dot:{left:0,top:0,width:0,height:0},line:{top:0,left:0,width:0,height:0}},w.call(this,t,e,i,s)}function b(t,e,i,s){this.props={dot:{top:0,width:0
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()+1e3*this.step*60);break;case TimeStep.SCALE.HOUR:this.current=new Date(this.current.valueOf()+1e3*this.step*60*60);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.SCALE.HOUR:this.current.getHours()<this.step&&this.current.setHours(0);break;case TimeStep.SCALE.WEEKDAY:case TimeStep.SCALE.DAY:this.current.getDate()<this.step+1&&this.current.setDate(1);break;case TimeStep.SCALE.MONTH:this.current.getMonth()<this.step&&this.current.setMonth(0);break;case TimeStep.SCALE.YEAR:}this.current.valueOf()==t&&(this.current=new Date(this._end.valueOf()))},TimeStep.prototype.getCurrent=function(){return this.current},TimeStep.prototype.setScale=function(t,e){this.scale=t,e>0&&(this.step=e),this.autoScale=!1},TimeStep.prototype.setAutoScale=function(t){this.autoScale=t},TimeStep.prototype.setMinimumStep=function(t){if(void 0!=t){var e=31104e6,i=2592e6,s=864e5,n=36e5,o=6e4,r=1e3,a=1;1e3*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=1e3),500*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=500),100*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=100),50*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=50),10*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=10),5*e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=5),e>t&&(this.scale=TimeStep.SCALE.YEAR,this.step=1),3*i>t&&(this.scale=TimeStep.SCALE.MONTH,this.step=3),i>t&&(this.scale=TimeStep.SCALE.MONTH,this.step=1),5*s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=5),2*s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=2),s>t&&(this.scale=TimeStep.SCALE.DAY,this.step=1),s/2>t&&(this.scale=TimeStep.SCALE.WEEKDAY,this.step=1),4*n>t&&(this.scale=TimeStep.SCALE.HOUR,this.step=4),n>t&&(this.scale=TimeStep.SCALE.HOUR,this.step=1),15*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=15),10*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=10),5*o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=5),o>t&&(this.scale=TimeStep.SCALE.MINUTE,this.step=1),15*r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=15),10*r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=10),5*r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=5),r>t&&(this.scale=TimeStep.SCALE.SECOND,this.step=1),200*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=200),100*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=100),50*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=50),10*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=10),5*a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=5),a>t&&(this.scale=TimeStep.SCALE.MILLISECOND,this.step=1)}},TimeStep.prototype.snap=function(t){if(this.scale==TimeStep.SCALE.YEAR){var e=t.getFullYear()+Math
},y.prototype._onRemove=function(t){this._toQueue("remove",t)},y.prototype._toQueue=function(t,e){var i=this.queue;e.forEach(function(e){i[e]=t}),this.controller&&this.requestRepaint()},y.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)},y.prototype.toTime=function(t){var e=this.conversion;return new Date(t/e.scale+e.offset)},y.prototype.toScreen=function(t){var e=this.conversion;return(t.valueOf()-e.offset)*e.scale},w.prototype.select=function(){this.selected=!0,this.visible&&this.repaint()},w.prototype.unselect=function(){this.selected=!1,this.visible&&this.repaint()},w.prototype.show=function(){return!1},w.prototype.hide=function(){return!1},w.prototype.repaint=function(){return!1},w.prototype.reflow=function(){return!1},w.prototype.getWidth=function(){return this.width},_.prototype=new w(null,null),_.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");if(!e.box.parentNode){var i=this.parent.getForeground();if(!i)throw new Error("Cannot repaint time axis: parent has no foreground container element");i.appendChild(e.box),t=!0}if(!e.line.parentNode){var s=this.parent.getBackground();if(!s)throw new Error("Cannot repaint time axis: parent has no background container element");s.appendChild(e.line),t=!0}if(!e.dot.parentNode){var n=this.parent.getAxis();if(!s)throw new Error("Cannot repaint time axis: parent has no axis container element");n.appendChild(e.dot),t=!0}if(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},_.prototype.show=function(){return this.dom&&this.dom.box.parentNode?!1:this.repaint()},_.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},_.prototype.reflow=function(){var t,e,i,s,n,o,r,a,h,d,c,l,u=0;if(void 0==this.data.start)throw new Error('Property "start" missing in item '+this.data.id);if(c=this.data,l=this.parent&&this.parent.range,c&&l){var p=l.end-l.start;this.visible=c.start>l.start-p&&c.start<l.end+p}else this.visible=!1;if(this.visible)if(e=this.dom)if(t=z.updateProperty,i=this.props,s=this.options,o=this.parent.toScreen(this.data.start),r=s.align||this.defaultOptions.align,n=s.margin&&s.margin.axis||this.defaultOptions.margin.axis,a=s.orientation||this.defaultOptions.orientation,u+=t(i.dot,"height",e.dot.offsetHeight),u+=t(i.dot,"width",e.dot.offsetWidth),u+=t(i.line,"width",e.line.offsetWidth),u+=t(i.line,"height",e.line.offsetHeight),u+=t(i.line,"top",e.line.offsetTop),u+=t(this,"width",e.box.offsetWidth),u+=t(this,"height",e.box.offsetHeight),d="right"==r?o-this.width:"left"==r?o:o-this.width/2,u+=t(this,"left",d),u+=t(i.line,"left",o-i.line.width/2),u+=t(i.dot,"left",o-i.dot.width/2),u+=t(i.dot,"top",-i.dot.height/2),"top"==a)h=n,u+=t(this,"top",h);else{var f=this.parent.height;h=f-this.height-n,u+=t(this,"top",h)}else u+=1;return u>0},_.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")},_.prototype.reposition=function(){var t=this.dom,e=this.props,i=this.options.orientation||this.defaultOptions.orientation;if(t){var s=t.box,n=t
var e;if(0!=this.imageObj.width){if(this.clusterSize>1){var i=this.clusterSize>1?10:0;i*=this.graphScaleInv,i=Math.min(.2*this.width,i),t.globalAlpha=.5,t.drawImage(this.imageObj,this.left-i,this.top-i,this.width+2*i,this.height+2*i)}t.globalAlpha=1,t.drawImage(this.imageObj,this.left,this.top,this.width,this.height),e=this.y+this.height/2}else e=this.y;this._label(t,this.label,this.x,e,void 0,"top")},C.prototype._resizeBox=function(t){if(!this.width){var e=5,i=this.getTextSize(t);this.width=i.width+2*e,this.height=i.height+2*e,this.width+=.5*this.clusterSize*this.clusterSizeWidthFactor,this.height+=.5*this.clusterSize*this.clusterSizeHeightFactor}},C.prototype._drawBox=function(t){this._resizeBox(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.roundRect(this.left-2*t.lineWidth,this.top-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth,this.radius),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.roundRect(this.left,this.top,this.width,this.height,this.radius),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},C.prototype._resizeDatabase=function(t){if(!this.width){var e=5,i=this.getTextSize(t),s=i.width+2*e;this.width=s,this.height=s,this.width+=this.clusterSize*this.clusterSizeWidthFactor,this.height+=this.clusterSize*this.clusterSizeHeightFactor,this.radius+=this.clusterSize*this.clusterSizeRadiusFactor}},C.prototype._drawDatabase=function(t){this._resizeDatabase(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.database(this.x-this.width/2-2*t.lineWidth,this.y-.5*this.height-2*t.lineWidth,this.width+4*t.lineWidth,this.height+4*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.database(this.x-this.width/2,this.y-.5*this.height,this.width,this.height),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},C.prototype._resizeCircle=function(t){if(!this.width){var e=5,i=this.getTextSize(t),s=Math.max(i.width,i.height)+2*e;this.radius=s/2,this.width=s,this.height=s,this.width+=this.clusterSize*this.clusterSizeWidthFactor,this.height+=this.clusterSize*this.clusterSizeHeightFactor,this.radius+=.5*this.clusterSize*this.clusterSizeRadiusFactor}},C.prototype._drawCircle=function(t){this._resizeCircle(t),this.left=this.x-this.width/2,this.top=this.y-this.height/2;var e=2.5,i=2;t.strokeStyle=this.selected?this.color.highlight.border:this.color.border,this.clusterSize>1&&(t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.circle(this.x,this.y,this.radius+2*t.lineWidth),t.stroke()),t.lineWidth=(this.selected?i:1)+(this.clusterSize>1?e:0),t.lineWidth*=this.graphScaleInv,t.lineWidth=Math.min(.1*this.width,t.lineWidth),t.fillStyle=this.selected?this.color.highlight.background:this.color.background,t.circle(this.x,this.y,this.radius),t.fill(),t.stroke(),this._label(t,this.label,this.x,this.y)},C.prototype._resizeEllipse=function(t){if(!this.width){var e=this.getTextSize(t);this.width=1.5*e.width,this.height=2*e.height,this.width<this.height&&(this.width=this.height),this.width+=this.clusterSize*this.clusterSizeWidthFactor,this.height+=this.clusterSize*this.clusterSizeHeightFactor,this.radius+=this.clusterSize*this.clusterSizeRadiusFac
e>1&&(e=1),"mousewheelScale"in this.pinch||(this.pinch.mousewheelScale=e),this._setScale(e)},I.prototype._updateNodeIndexList=function(){this._clearNodeIndexList();for(var t in this.nodes)this.nodes.hasOwnProperty(t)&&this.nodeIndices.push(t)},I.prototype.setData=function(t,e){if(void 0===e&&(e=!1),t&&t.dot&&(t.nodes||t.edges))throw new SyntaxError('Data must contain either parameter "dot" or  parameter pair "nodes" and "edges", but not both.');if(this.setOptions(t&&t.options),t&&t.dot){if(t&&t.dot){var i=H.util.DOTToGraph(t.dot);return this.setData(i),void 0}}else this._setNodes(t&&t.nodes),this._setEdges(t&&t.edges);this._putDataInSector(),e||(this.stabilize&&this._doStabilize(),this.start())},I.prototype.setOptions=function(t){if(t){if(void 0!==t.width&&(this.width=t.width),void 0!==t.height&&(this.height=t.height),void 0!==t.stabilize&&(this.stabilize=t.stabilize),void 0!==t.selectable&&(this.selectable=t.selectable),t.clustering)for(var e in t.clustering)t.clustering.hasOwnProperty(e)&&(this.constants.clustering[e]=t.clustering[e]);if(t.edges){for(e in t.edges)t.edges.hasOwnProperty(e)&&(this.constants.edges[e]=t.edges[e]);void 0!==t.edges.length&&t.nodes&&void 0===t.nodes.distance&&(this.constants.edges.length=t.edges.length,this.constants.nodes.distance=1.25*t.edges.length),t.edges.fontColor||(this.constants.edges.fontColor=t.edges.color),t.edges.dash&&(void 0!==t.edges.dash.length&&(this.constants.edges.dash.length=t.edges.dash.length),void 0!==t.edges.dash.gap&&(this.constants.edges.dash.gap=t.edges.dash.gap),void 0!==t.edges.dash.altLength&&(this.constants.edges.dash.altLength=t.edges.dash.altLength))}if(t.nodes){for(e in t.nodes)t.nodes.hasOwnProperty(e)&&(this.constants.nodes[e]=t.nodes[e]);t.nodes.color&&(this.constants.nodes.color=C.parseColor(t.nodes.color))}if(t.groups)for(var i in t.groups)if(t.groups.hasOwnProperty(i)){var s=t.groups[i];this.groups.add(i,s)}}this.setSize(this.width,this.height),this._setTranslation(this.frame.clientWidth/2,this.frame.clientHeight/2),this._setScale(1)},I.prototype._trigger=function(t,e){F.trigger(this,t,e)},I.prototype._create=function(){for(;this.containerElement.hasChildNodes();)this.containerElement.removeChild(this.containerElement.firstChild);if(this.frame=document.createElement("div"),this.frame.className="graph-frame",this.frame.style.position="relative",this.frame.style.overflow="hidden",this.frame.canvas=document.createElement("canvas"),this.frame.canvas.style.position="relative",this.frame.appendChild(this.frame.canvas),!this.frame.canvas.getContext){var t=document.createElement("DIV");t.style.color="red",t.style.fontWeight="bold",t.style.padding="10px",t.innerHTML="Error: your browser does not support HTML canvas",this.frame.canvas.appendChild(t)}var e=this;this.drag={},this.pinch={},this.hammer=N(this.frame.canvas,{prevent_default:!0}),this.hammer.on("tap",e._onTap.bind(e)),this.hammer.on("hold",e._onHold.bind(e)),this.hammer.on("pinch",e._onPinch.bind(e)),this.hammer.on("touch",e._onTouch.bind(e)),this.hammer.on("dragstart",e._onDragStart.bind(e)),this.hammer.on("drag",e._onDrag.bind(e)),this.hammer.on("dragend",e._onDragEnd.bind(e)),this.hammer.on("mousewheel",e._onMouseWheel.bind(e)),this.hammer.on("DOMMouseScroll",e._onMouseWheel.bind(e)),this.hammer.on("mousemove",e._onMouseMoveTitle.bind(e)),this.mouseTrap=k,this.containerElement.appendChild(this.frame)},I.prototype._getNodeAt=function(t){var e=this._canvasToX(t.x),i=this._canvasToY(t.y),s={left:e,top:i,right:e,bottom:i},n=this._getNodesOverlappingWith(s);return n.length>0?n[n.length-1]:null},I.prototype._getPointer=function(t){return{x:t.pageX-H.util.getAbsoluteLeft(this.frame.canvas),y:t.pageY-H.util.getAbsoluteTop(this.frame.canvas)}},I.prototype._onTouch=function(t){this.drag.pointer=this._getPointer(t.gesture.touches[0]),this.drag.pinched=!1,this.pinch.scale=this._getScale()},I.prototype._onDragStart=function(){var t=this.drag;t.selection=[],t.translation=this._getTranslation(),t.nodeId=this._getNodeAt(t.pointer);var e=this.nodes[t.nodeId];if(e){e.isSelected()||this._selectNodes([t.nodeId]);var i=
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