Mon 21 Jul 22:43:21 CEST 2025
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js/dos/ext/vis/examples/graph2d/09_external_legend.html
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js/dos/ext/vis/examples/graph2d/09_external_legend.html
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Graph2d | External legend Example</title>
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<link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
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<style type="text/css">
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body, html {
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font-family: sans-serif;
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}
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.custom-style1 {
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fill: #f2ea00;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #b3ab00;
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}
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.custom-style2 {
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fill: #00a0f2;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #050092;
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}
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.custom-style3 {
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fill: #00f201;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #029200;
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}
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path.custom-style3.fill {
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fill-opacity:0.5 !important;
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stroke: none;
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}
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.vis-graph-group0 {
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fill:#4f81bd;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #4f81bd;
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}
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.vis-graph-group1 {
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fill:#f79646;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #f79646;
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}
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.vis-graph-group2 {
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fill: #8c51cf;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #8c51cf;
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}
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.vis-graph-group3 {
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fill: #75c841;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #75c841;
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}
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.vis-graph-group4 {
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fill: #ff0100;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #ff0100;
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}
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.vis-graph-group5 {
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fill: #37d8e6;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #37d8e6;
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}
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.vis-graph-group6 {
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fill: #042662;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #042662;
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}
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.vis-graph-group7 {
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fill:#00ff26;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #00ff26;
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}
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.vis-graph-group8 {
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fill:#ff00ff;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #ff00ff;
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}
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.vis-graph-group9 {
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fill: #8f3938;
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fill-opacity:0;
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stroke-width:2px;
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stroke: #8f3938;
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}
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.vis-fill {
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fill-opacity:0.1;
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stroke: none;
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}
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.vis-bar {
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fill-opacity:0.5;
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stroke-width:1px;
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}
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.vis-point {
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stroke-width:2px;
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fill-opacity:1.0;
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}
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.vis-legend-background {
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stroke-width:1px;
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fill-opacity:0.9;
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fill: #ffffff;
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stroke: #c2c2c2;
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}
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.vis-outline {
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stroke-width:1px;
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fill-opacity:1;
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fill: #ffffff;
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stroke: #e5e5e5;
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}
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.vis-icon-fill {
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fill-opacity:0.3;
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stroke: none;
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}
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div.description-container {
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float:left;
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height:30px;
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width:160px;
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padding-left:5px;
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padding-right:5px;
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line-height: 30px;
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}
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div.icon-container {
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float:left;
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}
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div.legend-element-container {
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display:inline-block;
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width:200px;
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height:30px;
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border-style:solid;
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border-width:1px;
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border-color: #e0e0e0;
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background-color: #ffffff;
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margin:4px;
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padding:4px;
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-webkit-touch-callout: none;
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-webkit-user-select: none;
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-khtml-user-select: none;
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-moz-user-select: none;
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-ms-user-select: none;
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user-select: none;
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cursor:pointer;
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}
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div.legend-element-container.hidden {
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background-color: #d3e6ff;
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}
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svg.legend-icon {
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width:30px;
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height:30px;
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}
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div.external-legend {
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position:relative;
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margin-left: -5px;
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width: 900px;
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}
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</style>
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<script src="../../dist/vis.js"></script>
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<script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-61231638-1', 'auto');ga('send', 'pageview');</script></head>
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<body>
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<h2>Graph2d | External custom legend</h2>
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<div style="width:800px; font-size:14px; text-align: justify;">
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This example shows how to create an external custom legend using the getLegend function. We use normal JavaScript to show and hide the
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groups by updating the dataset.
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</div>
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<br />
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<div id="Legend" class="external-legend"></div>
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<div id="visualization"></div>
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<script type="text/javascript">
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// create a dataSet with groups
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var names = ['SquareShaded', 'Bargraph', 'Blank', 'CircleShaded'];
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var groups = new vis.DataSet();
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groups.add({
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id: 0,
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content: names[0],
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className: 'custom-style1',
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options: {
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drawPoints: {
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style: 'square' // square, circle
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},
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shaded: {
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orientation: 'bottom' // top, bottom
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}
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}});
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groups.add({
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id: 1,
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content: names[1],
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className: 'custom-style2',
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options: {
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style:'bar',
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drawPoints: {style: 'circle',
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size: 10
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}
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}});
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groups.add({
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id: 2,
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content: names[2],
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options: {
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yAxisOrientation: 'right', // right, left
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drawPoints: false
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}
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});
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groups.add({
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id: 3,
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content: names[3],
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className: 'custom-style3',
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options: {
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yAxisOrientation: 'right', // right, left
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drawPoints: {
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style: 'circle' // square, circle
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},
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shaded: {
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orientation: 'top' // top, bottom
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}
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}});
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var container = document.getElementById('visualization');
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var items = [
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{x: '2014-06-12', y: 0 , group: 0},
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{x: '2014-06-13', y: 30, group: 0},
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{x: '2014-06-14', y: 10, group: 0},
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{x: '2014-06-15', y: 15, group: 1},
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{x: '2014-06-16', y: 30, group: 1},
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{x: '2014-06-17', y: 10, group: 1},
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{x: '2014-06-18', y: 15, group: 1},
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{x: '2014-06-19', y: 52, group: 1},
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{x: '2014-06-20', y: 10, group: 1},
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{x: '2014-06-21', y: 20, group: 2},
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{x: '2014-06-22', y: 600, group: 2},
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{x: '2014-06-23', y: 100, group: 2},
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{x: '2014-06-24', y: 250, group: 2},
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{x: '2014-06-25', y: 300, group: 2},
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{x: '2014-06-26', y: 200, group: 3},
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{x: '2014-06-27', y: 600, group: 3},
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{x: '2014-06-28', y: 1000, group: 3},
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{x: '2014-06-29', y: 250, group: 3},
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{x: '2014-06-30', y: 300, group: 3}
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];
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var dataset = new vis.DataSet(items);
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var options = {
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dataAxis: {showMinorLabels: false},
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start: '2014-06-09',
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end: '2014-07-03'
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};
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var graph2d = new vis.Graph2d(container, items, groups, options);
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/**
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* this function fills the external legend with content using the getLegend() function.
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*/
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function populateExternalLegend() {
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var groupsData = groups.get();
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var legendDiv = document.getElementById("Legend");
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legendDiv.innerHTML = "";
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// get for all groups:
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for (var i = 0; i < groupsData.length; i++) {
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// create divs
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var containerDiv = document.createElement("div");
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var iconDiv = document.createElement("div");
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var descriptionDiv = document.createElement("div");
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// give divs classes and Ids where necessary
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containerDiv.className = 'legend-element-container';
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containerDiv.id = groupsData[i].id + "_legendContainer"
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iconDiv.className = "icon-container";
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descriptionDiv.className = "description-container";
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// get the legend for this group.
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var legend = graph2d.getLegend(groupsData[i].id,30,30);
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// append class to icon. All styling classes from the vis.css have been copied over into the head here to be able to style the
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// icons with the same classes if they are using the default ones.
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legend.icon.setAttributeNS(null, "class", "legend-icon");
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// append the legend to the corresponding divs
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iconDiv.appendChild(legend.icon);
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descriptionDiv.innerHTML = legend.label;
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// determine the order for left and right orientation
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if (legend.orientation == 'left') {
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descriptionDiv.style.textAlign = "left";
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containerDiv.appendChild(iconDiv);
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containerDiv.appendChild(descriptionDiv);
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}
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else {
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descriptionDiv.style.textAlign = "right";
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containerDiv.appendChild(descriptionDiv);
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containerDiv.appendChild(iconDiv);
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}
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// append to the legend container div
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legendDiv.appendChild(containerDiv);
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// bind click event to this legend element.
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containerDiv.onclick = toggleGraph.bind(this,groupsData[i].id);
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}
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}
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/**
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* This function switchs the visible option of the selected group on an off.
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* @param groupId
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*/
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function toggleGraph(groupId) {
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// get the container that was clicked on.
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var container = document.getElementById(groupId + "_legendContainer")
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// if visible, hide
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if (graph2d.isGroupVisible(groupId) == true) {
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groups.update({id:groupId, visible:false});
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container.className = container.className + " hidden";
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}
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else { // if invisible, show
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groups.update({id:groupId, visible:true});
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container.className = container.className.replace("hidden","");
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}
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}
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populateExternalLegend()
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</script>
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</body>
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</html>
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