<!doctype html>
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<html>
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<head>
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<title>Graph | DOT language playground</title>
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<script type="text/javascript" src="../../vis.js"></script>
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<style type="text/css">
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body, html {
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font: 10pt sans;
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width: 100%;
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height: 100%;
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padding: 0;
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margin: 0;
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color: #4d4d4d;
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}
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#frame {
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width: 100%;
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height: 99%;
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}
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#frame td {
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padding: 10px;
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}
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#error {
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color: red;
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}
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#data {
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float: left;
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width: 100%;
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height: 100%;
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border: 1px solid #d3d3d3;
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}
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#graph {
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float: left;
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width: 100%;
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height: 100%;
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}
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textarea.example {
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display: none;
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}
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</style>
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</head>
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<body>
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<table id="frame">
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<col width="50%">
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<col width="50%">
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<tr>
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<td colspan="2" style="height: 50px;">
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<h1>Directed graph from data in DOT language</h1>
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<div>
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<a href="javascript: drawExample('example1')">example 1</a>
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<a href="javascript: drawExample('example2')">example 2</a>
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<a href="javascript: drawExample('example3')">example 3</a>
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</div>
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<div>
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<br>
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<button id="draw">Draw</button>
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<span id="error"></span>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<textarea id="data"></textarea>
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</td>
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<td>
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<div id="graph"></div>
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</td>
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</tr>
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</table>
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<script type="text/javascript">
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var graph, data;
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var btnDraw = document.getElementById('draw');
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var txtData = document.getElementById('data');
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var txtError = document.getElementById('error');
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btnDraw.onclick = draw;
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// resize the graph when window resizes
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window.onresize = function () {
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graph.redraw()
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};
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// parse and draw the data
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function draw () {
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try {
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// create a graph
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graph = new vis.Graph(document.getElementById('graph'));
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txtError.innerHTML = '';
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// parse the data from DOT-notation
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data = vis.Graph.util.DOTToGraph(txtData.value);
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// draw the data in the graph view
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var options = data.options;
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options.width = '100%';
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//options.links.length = options.links.length;
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options.height = '100%';
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//options.nodes.radius = 20;
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//options.links.width = 2;
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graph.draw(data.nodes, data.edges, options);
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}
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catch (err) {
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// set the cursor at the position where the error occurred
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var match = /\(char (.*)\)/.exec(err);
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if (match) {
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var pos = Number(match[1]);
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if(txtData.setSelectionRange) {
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txtData.focus();
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txtData.setSelectionRange(pos, pos);
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}
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}
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// show an error message
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txtError.innerHTML = err.toString();
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}
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}
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/**
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* Draw an example
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* @param {String} id HTML id of the textarea containing the example code
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*/
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function drawExample(id) {
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txtData.value = document.getElementById(id).value;
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draw();
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}
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</script>
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<textarea id="example1" class="example">
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digraph {
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node [style=circle fontSize=16]
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edge [length=100, color=gray, fontColor=black]
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A -> A[text=0.5];
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B -> B[text=1.2] -> C[text=0.7] -- A;
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B -> D;
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D -> B;
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D -> C;
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D -> E[text=0.2];
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F -> F;
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A [
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fontColor=red,
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borderColor=red,
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backgroundColor=white,
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highlightColor=white
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]
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}
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</textarea>
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<textarea id="example2" class="example">
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digraph topology
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{
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node[shape=circle fontSize=12]
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edge[length=170 fontSize=12]
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"10.0.255.1" -> "10.0.255.3"[label="1.000"];
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"10.0.255.1" -> "10.0.255.2"[label="1.000"];
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"10.0.255.1" -> "10.0.255.2"[label="1.000"];
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"10.0.255.1" -> "10.0.255.3"[label="1.000"];
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"10.0.255.2" -> "10.0.255.1"[label="1.000"];
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"10.0.255.2" -> "10.0.255.3"[label="1.000"];
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"10.0.255.3" -> "10.0.255.1"[label="1.000"];
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"10.0.255.3" -> "10.0.255.2"[label="1.000"];
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"10.0.255.3" -> "10.0.3.0/24"[label="HNA", style=solid];
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"10.0.3.0/24"[shape=rect];
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"10.0.255.2" -> "10.0.2.0/24"[label="HNA"];
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"10.0.2.0/24"[shape=rect];
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"10.0.255.1" -> "10.0.1.0/24"[label="HNA"];
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"10.0.1.0/24"[shape=rect];
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}
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</textarea>
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<textarea id="example3" class="example">
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digraph G {
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// note: not all attributes are recognized and supported by Network
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// unrecognized attributes are ignored
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node[width=.25,height=.375,fontsize=15]
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node [style=filled fillcolor=#F1AAF0]
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0-> 0 ;
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1-> 1 ;
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2-> 2 ;
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3-> 3 ;
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4-> 4 ;
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5-> 5 ;
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6-> 6 ;
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7-> 5 ;
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8-> 8 ;
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9-> 9 ;
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10-> 10 ;
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11-> 10 ;
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12-> 12 ;
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13-> 5 ;
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14-> 10 ;
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15-> 0 ;
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}
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</textarea>
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<script>
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// draw example1 now
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drawExample('example1');
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</script>
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</body>
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</html>
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