835 lines
21 KiB
JavaScript
835 lines
21 KiB
JavaScript
(function(stylesheet, stencils)
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{
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// Callbacks:
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// mxClientOnLoad is called after the script is loaded with the stylesheet and the function to create a
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// graph (wich takes the container as an argument and returns the graph instance that was created).
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// mxClientOnCreate is called when a graph has been created with the graph.
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mxStencilRegistry.dynamicLoading = false;
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// Adds CSS for tooltips
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try
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{
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var style = document.createElement('style')
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style.type = 'text/css'
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style.innerHTML = ['div.mxTooltip {',
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'-webkit-box-shadow: 3px 3px 12px #C0C0C0;',
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'-moz-box-shadow: 3px 3px 12px #C0C0C0;',
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'box-shadow: 3px 3px 12px #C0C0C0;',
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'background: #FFFFCC;',
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'border-style: solid;',
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'border-width: 1px;',
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'border-color: black;',
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'font-family: Arial;',
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'font-size: 8pt;',
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'position: absolute;',
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'cursor: default;',
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'padding: 4px;',
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'color: black;}'].join('\n');
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document.getElementsByTagName('head')[0].appendChild(style)
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}
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catch (e)
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{
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// ignore
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}
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var originalNoFo = mxClient.NO_FO;
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var mathJaxLoading = (typeof(MathJax) !== 'undefined' && typeof(MathJax.Hub) !== 'undefined');
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var mathJaxQueue = [];
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function loadMathJax()
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{
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// Uses existing configuration if MathJax already in page
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if (!mathJaxLoading)
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{
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mathJaxLoading = true;
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window.MathJax =
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{
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skipStartupTypeset: true,
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showMathMenu: false,
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messageStyle: 'none',
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AuthorInit: function ()
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{
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MathJax.Hub.Config({"HTML-CSS":{availableFonts:[],webFont:"STIX-Web",imageFont:null}});
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MathJax.Hub.Register.StartupHook('Begin', function()
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{
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for (var i = 0; i < mathJaxQueue.length; i++)
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{
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MathJax.Hub.Queue(['Typeset', MathJax.Hub, mathJaxQueue[i]]);
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}
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});
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}
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};
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = 'https://cdn.mathjax.org/mathjax/2.6-latest/MathJax.js?config=TeX-MML-AM_HTMLorMML';
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document.getElementsByTagName('head')[0].appendChild(script);
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}
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};
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function addMathJaxGraph(graph)
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{
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// Initial rendering when MathJax finished loading
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if (typeof(MathJax) !== 'undefined' && typeof(MathJax.Hub) !== 'undefined')
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{
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MathJax.Hub.Queue(['Typeset', MathJax.Hub, graph.container]);
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}
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else
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{
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mathJaxQueue.push(graph.container);
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}
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// Rendering math again on repaint
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graph.addListener(mxEvent.SIZE, function(sender, evt)
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{
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if (typeof(MathJax) !== 'undefined' && typeof(MathJax.Hub) !== 'undefined')
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{
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MathJax.Hub.Queue(['Typeset', MathJax.Hub, graph.container]);
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}
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});
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};
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// Handles relative images
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mxGraph.prototype.getImageFromBundles = function(key)
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{
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if (key != null)
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{
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if (key.substring(0, 7) != 'http://' && key.substring(0, 8) != 'https://' && key.substring(0, 10) != 'data:image')
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{
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if (key.charAt(0) == '/')
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{
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key = key.substring(1, key.length);
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}
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key = 'https://www.draw.io/' + key;
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}
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return key;
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}
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return null;
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};
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if (stencils != null)
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{
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for (var i = 0; i < stencils.length; i++)
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{
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var xmlDoc = mxUtils.parseXml(stencils[i]);
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mxStencilRegistry.parseStencilSet(xmlDoc.documentElement);
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}
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}
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// Panning for touch devices
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if (mxClient.IS_TOUCH)
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{
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mxPanningHandler.prototype.isPanningTrigger = function(me)
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{
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return true;
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};
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}
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(function()
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{
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function initGraph(container)
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{
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try
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{
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var child = container.firstChild;
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while (child != null && child.nodeType != mxConstants.NODETYPE_ELEMENT)
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{
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child = child.nextSibling;
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}
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var xml = mxUtils.trim(child.innerHTML);
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container.innerHTML = '';
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// Instance needed for decompress helper function
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var graph = new Graph(container);
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if (xml.substring(0, 4) == '<')
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{
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xml = xml.replace(/</g, '<').replace(/>/g, '>').
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replace(/&gt;/g, '>').replace(/&lt;/g, '<').
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replace(/&quot;/g, '"').replace(/
/g, '\n');
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}
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else if (xml.substring(0, 3) == '%3C')
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{
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xml = decodeURIComponent(xml);
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}
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else
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{
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xml = graph.decompress(xml);
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}
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var xmlDocument = mxUtils.parseXml(xml);
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var configNode = null;
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var diagrams = null;
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if (xmlDocument.documentElement != null && xmlDocument.documentElement.nodeName == 'mxfile')
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{
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diagrams = xmlDocument.documentElement.getElementsByTagName('diagram');
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configNode = xmlDocument.documentElement;
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if (diagrams.length > 0)
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{
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xml = mxUtils.getTextContent(diagrams[0]);
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xml = graph.decompress(xml);
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xmlDocument = mxUtils.parseXml(xml);
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}
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}
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if (xmlDocument.documentElement != null && xmlDocument.documentElement.nodeName == 'mxGraphModel')
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{
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var decoder = new mxCodec(xmlDocument);
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var node = xmlDocument.documentElement;
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if (configNode == null)
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{
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configNode = node;
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}
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graph.resetViewOnRootChange = false;
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graph.setEnabled(false);
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if (diagrams != null && diagrams.length > 0)
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{
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/**
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* Adds placeholder for %page% and %pagenumber%
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*/
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var graphGetGlobalVariable = graph.getGlobalVariable;
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graph.getGlobalVariable = function(name)
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{
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if (name == 'page')
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{
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return diagrams[0].getAttribute('name') || 'Page-1';
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}
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else if (name == 'pagenumber')
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{
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return 1;
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}
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return graphGetGlobalVariable.apply(this, arguments);
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};
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}
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graph.foldingEnabled = configNode.getAttribute('nav') == '1';
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graph.cellRenderer.forceControlClickHandler = graph.foldingEnabled;
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var tooltips = configNode.getAttribute('tooltips');
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if (tooltips != '0')
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{
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graph.setTooltips(true);
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}
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else
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{
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graph.setTooltips(false);
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}
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// Workaround for parent div ignoring child size
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if (mxClient.IS_VML)
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{
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var canvas = graph.view.getCanvas();
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if (canvas != null && canvas.nodeName == 'DIV')
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{
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canvas.style.position = 'relative';
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}
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}
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// Loads the stylesheet
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if (stylesheet != null)
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{
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var xmlDoc = mxUtils.parseXml(stylesheet);
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var dec = new mxCodec(xmlDoc);
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dec.decode(xmlDoc.documentElement, graph.getStylesheet());
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}
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var math = configNode.getAttribute('math');
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if (math == '1')
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{
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mxClient.NO_FO = true;
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loadMathJax();
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}
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// Enables panning with left mouse button
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var pan = configNode.getAttribute('pan');
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if (pan != '0')
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{
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graph.panningHandler.useLeftButtonForPanning = true;
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graph.panningHandler.ignoreCell = true;
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container.style.cursor = 'move';
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graph.setPanning(true);
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}
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else
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{
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container.style.cursor = 'default';
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}
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var resize = configNode.getAttribute('resize');
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var border = Number(configNode.getAttribute('border') || 0);
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graph.border = border;
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var fit = configNode.getAttribute('fit');
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if ((container.style.width != '100%' && fit != '1' && resize != '0') ||
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(container.style.width == '' && container.style.height == ''))
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{
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graph.resizeContainer = true;
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graph.centerZoom = false;
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}
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else
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{
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// Updates the container height for autosize width
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if (resize != '0' && container.style.width == '100%' && container.style.height == '')
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{
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graph.resizeContainer = true;
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graph.centerZoom = false;
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graph.doResizeContainer = function(width, height)
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{
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// Fixes container size for different box models
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if (mxClient.IS_IE)
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{
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if (mxClient.IS_QUIRKS)
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{
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var borders = this.getBorderSizes();
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// max(2, ...) required for native IE8 in quirks mode
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width += Math.max(2, borders.x + borders.width + 1);
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height += Math.max(2, borders.y + borders.height + 1);
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}
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else if (document.documentMode >= 9)
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{
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width += 3;
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height += 5;
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}
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else
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{
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width += 1;
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height += 1;
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}
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}
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else
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{
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height += 1;
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}
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if (this.maximumContainerSize != null)
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{
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width = Math.min(this.maximumContainerSize.width, width);
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height = Math.min(this.maximumContainerSize.height, height);
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}
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this.container.style.height = Math.ceil(height + 18) + 'px';
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};
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}
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else
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{
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graph.centerZoom = true;
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}
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}
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// Adds handling for hyperlinks, tooltips
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var links = configNode.getAttribute('links');
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var hl = configNode.getAttribute('highlight');
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if (links != '0' || tooltips != '0')
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{
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var cursor = container.style.cursor;
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var tol = graph.getTolerance();
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graph.addMouseListener(
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{
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currentState: null,
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currentLink: null,
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highlight: (hl != null && hl != '' && hl != mxConstants.NONE) ?
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new mxCellHighlight(graph, hl, 2) : null,
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startX: 0,
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startY: 0,
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mouseDown: function(sender, me)
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{
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this.startX = me.getGraphX();
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this.startY = me.getGraphY();
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},
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mouseMove: function(sender, me)
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{
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if (graph.isMouseDown)
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{
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if (this.currentLink != null)
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{
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var dx = Math.abs(this.startX - me.getGraphX());
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var dy = Math.abs(this.startY - me.getGraphY());
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if (dx > tol || dy > tol)
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{
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this.clear();
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}
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}
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}
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else
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{
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if (this.currentState != null && (me.getState() == this.currentState || me.getState() == null) &&
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graph.intersects(this.currentState, me.getGraphX(), me.getGraphY()))
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{
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return;
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}
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var tmp = graph.view.getState(me.getCell());
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if (tmp != this.currentState)
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{
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if (this.currentState != null)
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{
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this.clear();
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}
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this.currentState = tmp;
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if (this.currentState != null)
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{
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this.activate(this.currentState);
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}
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}
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}
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},
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mouseUp: function(sender, me)
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{
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var tmp = this.currentLink;
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this.clear();
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if (tmp != null)
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{
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if (tmp.charAt(0) == '#')
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{
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window.location.hash = tmp;
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}
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else
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{
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window.open(tmp);
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}
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}
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},
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activate: function(state)
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{
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this.currentLink = graph.getLinkForCell(state.cell);
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if (this.currentLink != null)
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{
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container.style.cursor = 'pointer';
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if (this.highlight != null)
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{
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this.highlight.highlight(state);
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}
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}
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},
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clear: function()
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{
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container.style.cursor = cursor;
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this.currentState = null;
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this.currentLink = null;
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if (this.highlight != null)
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{
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this.highlight.hide();
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}
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}
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});
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}
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var x0 = Number(configNode.getAttribute('x0') || 0);
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var y0 = Number(configNode.getAttribute('y0') || 0);
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graph.view.translate.x = -x0 + border;
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graph.view.translate.y = -y0 + border;
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function graphAdded(node)
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{
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var img = node.getAttribute('backgroundImage');
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if (img != null)
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{
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img = JSON.parse(img);
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graph.setBackgroundImage(new mxImage(img.src, img.width, img.height));
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graph.view.validateBackgroundImage();
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}
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if (fit != '0')
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{
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graph.fit(border);
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}
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if (math == '1')
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{
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addMathJaxGraph(graph);
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}
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// Keeps hashtag links on same page
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var links = graph.container.getElementsByTagName('a');
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if (links != null)
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{
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for (var i = 0; i < links.length; i++)
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{
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var href = links[i].getAttribute('href');
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if (href != null && href.charAt(0) == '#' &&
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links[i].getAttribute('target') == '_blank')
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{
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links[i].removeAttribute('target');
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}
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}
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}
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};
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// Load from URL via url attribute
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var url = configNode.getAttribute('url');
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if (url != null)
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{
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try
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{
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// Workaround for unsupported CORS in IE9 XHR
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var xhr = (navigator.userAgent.indexOf('MSIE 9') > 0) ? new XDomainRequest() : new XMLHttpRequest();
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xhr.open('GET', url);
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xhr.onload = mxUtils.bind(this, function()
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{
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try
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{
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if (math == '1')
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{
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mxClient.NO_FO = true;
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}
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var data = (xhr.getText != null) ? xhr.getText() : xhr.responseText;
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if (data != null)
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{
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var newDocument = mxUtils.parseXml(data);
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// LATER: Add support for .png (with XML) files
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// Adds support for HTML
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if (newDocument != null && newDocument.documentElement.nodeName == 'html')
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{
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var divs = newDocument.documentElement.getElementsByTagName('div');
|
|
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if (divs.length > 0 && divs[0].getAttribute('class') == 'mxgraph')
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{
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var divs2 = divs[0].getElementsByTagName('div');
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if (divs2.length > 0)
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{
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var data = mxUtils.getTextContent(divs2[0]);
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data = graph.decompress(data);
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if (data.length > 0)
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{
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newDocument = mxUtils.parseXml(data);
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}
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}
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}
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|
}
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|
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if (newDocument != null && newDocument.documentElement.nodeName == 'svg')
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{
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|
var tmp = newDocument.documentElement.getAttribute('content');
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|
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if (tmp != null && tmp.charAt(0) != '<' && tmp.charAt(0) != '%')
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{
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tmp = unescape((window.atob) ? atob(tmp) : Base64.decode(cont, tmp));
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}
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if (tmp != null && tmp.charAt(0) == '%')
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{
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tmp = decodeURIComponent(tmp);
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}
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if (tmp != null && tmp.length > 0)
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{
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newDocument = mxUtils.parseXml(tmp);
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}
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}
|
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|
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if (newDocument.documentElement.nodeName == 'mxfile')
|
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{
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var diagrams = newDocument.documentElement.getElementsByTagName('diagram');
|
|
|
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if (diagrams.length > 0)
|
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{
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data = graph.decompress(mxUtils.getTextContent(diagrams[0]));
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newDocument = mxUtils.parseXml(data);
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}
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}
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decoder = new mxCodec(newDocument);
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decoder.decode(newDocument.documentElement, graph.getModel());
|
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graphAdded(newDocument.documentElement);
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}
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else
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{
|
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graph.container.innerHTML = 'Cannot load ' + url;
|
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}
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|
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mxClient.NO_FO = originalNoFo;
|
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}
|
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catch (e)
|
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{
|
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graph.container.innerHTML = 'Cannot load ' + url + ': ' + e.message;
|
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}
|
|
});
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|
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xhr.onerror = function()
|
|
{
|
|
graph.container.innerHTML = 'Cannot load ' + url;
|
|
};
|
|
|
|
xhr.send();
|
|
}
|
|
catch (e)
|
|
{
|
|
graph.container.innerHTML = 'Cannot load ' + url + ': ' + e.message;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
decoder.decode(node, graph.getModel());
|
|
graphAdded(node);
|
|
}
|
|
|
|
if (container.style.width != '100%' && fit != '0' && resize == '1')
|
|
{
|
|
graph.resizeContainer = true;
|
|
graph.centerZoom = false;
|
|
}
|
|
|
|
// Adds zoom, edit etc in top, left corner
|
|
var buttons = document.createElement('div');
|
|
buttons.style.position = 'absolute';
|
|
buttons.style.overflow = 'visible';
|
|
buttons.style.cursor = 'pointer';
|
|
|
|
var bs = graph.getBorderSizes();
|
|
|
|
var left = 0;
|
|
var fontSize = 10;
|
|
var bw = 16;
|
|
var bh = 16;
|
|
|
|
if (mxClient.IS_QUIRKS)
|
|
{
|
|
bw -= 1;
|
|
bh -= 1;
|
|
}
|
|
else if (mxClient.IS_TOUCH)
|
|
{
|
|
bw = 24;
|
|
bh = 24;
|
|
var fontSize = 14;
|
|
}
|
|
|
|
function addButton(label, funct)
|
|
{
|
|
var btn = document.createElement('div');
|
|
btn.style.position = 'absolute';
|
|
btn.style.border = '1px solid gray';
|
|
btn.style.textAlign = 'center';
|
|
btn.style.cursor = 'hand';
|
|
btn.style.width = bw + 'px';
|
|
btn.style.height = bh + 'px';
|
|
btn.style.left = left + 'px';
|
|
btn.style.top = '0px';
|
|
btn.style.backgroundColor = 'white';
|
|
mxUtils.setOpacity(btn, 50);
|
|
|
|
var table = document.createElement('table');
|
|
table.style.borderWidth = '0px';
|
|
table.style.width = '100%';
|
|
table.style.height = '100%';
|
|
var tbody = document.createElement('tbody');
|
|
var tr = document.createElement('tr');
|
|
var td = document.createElement('td');
|
|
td.style.verticalAlign = 'middle';
|
|
td.style.textAlign = 'center';
|
|
td.style.fontSize = fontSize + 'px';
|
|
td.style.padding = '0px';
|
|
mxUtils.write(td, label);
|
|
tr.appendChild(td);
|
|
tbody.appendChild(tr);
|
|
table.appendChild(tbody);
|
|
btn.appendChild(table);
|
|
|
|
mxEvent.addListener(btn, (mxClient.IS_POINTER) ? 'pointerdown' : 'mousedown', function(evt)
|
|
{
|
|
mxEvent.consume(evt);
|
|
});
|
|
|
|
mxEvent.addListener(btn, (mxClient.IS_POINTER) ? 'pointerup' : 'mouseup', function(evt)
|
|
{
|
|
funct();
|
|
mxEvent.consume(evt);
|
|
});
|
|
|
|
if (!mxClient.IS_POINTER && mxClient.IS_TOUCH)
|
|
{
|
|
mxEvent.addListener(btn, 'touchstart', function(evt)
|
|
{
|
|
mxEvent.consume(evt);
|
|
});
|
|
|
|
mxEvent.addListener(btn, 'touchend', function(evt)
|
|
{
|
|
funct();
|
|
mxEvent.consume(evt);
|
|
});
|
|
}
|
|
|
|
left += bw;
|
|
buttons.appendChild(btn);
|
|
|
|
return btn;
|
|
};
|
|
|
|
var zoom = configNode.getAttribute('zoom');
|
|
|
|
if (zoom != '0')
|
|
{
|
|
addButton('+', function()
|
|
{
|
|
graph.zoomIn();
|
|
});
|
|
|
|
addButton('-', function()
|
|
{
|
|
graph.zoomOut();
|
|
});
|
|
}
|
|
|
|
var edit = configNode.getAttribute('edit');
|
|
|
|
if (edit != null)
|
|
{
|
|
var button = addButton('', function()
|
|
{
|
|
// _blank is a special value to open a new editor
|
|
// in client mode and send the XML as a message
|
|
if (edit == '_blank')
|
|
{
|
|
if (url != null)
|
|
{
|
|
window.open('https://www.draw.io/#U' + encodeURIComponent(url));
|
|
}
|
|
else
|
|
{
|
|
var wnd = null;
|
|
|
|
var receive = function(evt)
|
|
{
|
|
if (evt.data == 'ready' && evt.source == wnd)
|
|
{
|
|
wnd.postMessage(xml, '*');
|
|
window.removeEventListener('message', receive);
|
|
}
|
|
};
|
|
|
|
window.addEventListener('message', receive);
|
|
wnd = window.open('https://www.draw.io/?client=1');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
window.open(edit);
|
|
}
|
|
});
|
|
|
|
// Do not use HTML entity to avoid problems with XHTML
|
|
button.innerHTML = '...';
|
|
}
|
|
|
|
function show()
|
|
{
|
|
buttons.style.top = (container.offsetTop + bs.y) + 'px';
|
|
buttons.style.left = (container.offsetLeft + bs.x) + 'px';
|
|
buttons.style.visibility = 'visible';
|
|
};
|
|
|
|
if (!mxClient.IS_POINTER && !mxClient.IS_TOUCH)
|
|
{
|
|
function hide()
|
|
{
|
|
buttons.style.visibility = 'hidden';
|
|
};
|
|
|
|
mxEvent.addListener(container, 'mouseover', show);
|
|
mxEvent.addListener(buttons, 'mouseover', show);
|
|
mxEvent.addListener(container, 'mouseout', hide);
|
|
mxEvent.addListener(buttons, 'mouseout', hide);
|
|
hide();
|
|
}
|
|
else
|
|
{
|
|
show();
|
|
}
|
|
|
|
if (buttons.firstChild != null)
|
|
{
|
|
if (container.nextSibling != null)
|
|
{
|
|
container.parentNode.insertBefore(buttons, container.nextSibling);
|
|
}
|
|
else
|
|
{
|
|
container.parentNode.appendChild(buttons);
|
|
}
|
|
}
|
|
|
|
if (typeof(window.mxClientOnCreate) == 'function')
|
|
{
|
|
window.mxClientOnCreate(graph);
|
|
}
|
|
}
|
|
}
|
|
catch (err)
|
|
{
|
|
if (window.console != null)
|
|
{
|
|
console.log('Error:', err);
|
|
}
|
|
}
|
|
|
|
mxClient.NO_FO = originalNoFo;
|
|
|
|
return graph;
|
|
};
|
|
|
|
if (typeof(mxClientOnLoad) == 'function')
|
|
{
|
|
mxClientOnLoad(stylesheet, initGraph);
|
|
}
|
|
else if (mxClient.isBrowserSupported())
|
|
{
|
|
var tmp = document.getElementsByTagName('*');
|
|
var divs = [];
|
|
|
|
for (var i = 0; i < tmp.length; i++)
|
|
{
|
|
divs.push(tmp[i]);
|
|
}
|
|
|
|
for (var i = 0; i < divs.length; i++)
|
|
{
|
|
if (divs[i].className.toString().indexOf('mxgraph') >= 0)
|
|
{
|
|
initGraph(divs[i]);
|
|
}
|
|
}
|
|
}
|
|
})();
|
|
// Last line will be replaced by servlet for passing arguments.
|
|
|