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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Graph2d | External legend Example</title>
+ <link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
+ <style type="text/css">
+ body, html {
+ font-family: sans-serif;
+ }
+
+ .custom-style1 {
+ fill: #f2ea00;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #b3ab00;
+ }
+
+ .custom-style2 {
+ fill: #00a0f2;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #050092;
+ }
+
+ .custom-style3 {
+ fill: #00f201;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #029200;
+ }
+
+ path.custom-style3.fill {
+ fill-opacity:0.5 !important;
+ stroke: none;
+ }
+
+ .vis-graph-group0 {
+ fill:#4f81bd;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #4f81bd;
+ }
+
+ .vis-graph-group1 {
+ fill:#f79646;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #f79646;
+ }
+
+ .vis-graph-group2 {
+ fill: #8c51cf;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #8c51cf;
+ }
+
+ .vis-graph-group3 {
+ fill: #75c841;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #75c841;
+ }
+
+ .vis-graph-group4 {
+ fill: #ff0100;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #ff0100;
+ }
+
+ .vis-graph-group5 {
+ fill: #37d8e6;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #37d8e6;
+ }
+
+ .vis-graph-group6 {
+ fill: #042662;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #042662;
+ }
+
+ .vis-graph-group7 {
+ fill:#00ff26;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #00ff26;
+ }
+
+ .vis-graph-group8 {
+ fill:#ff00ff;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #ff00ff;
+ }
+
+ .vis-graph-group9 {
+ fill: #8f3938;
+ fill-opacity:0;
+ stroke-width:2px;
+ stroke: #8f3938;
+ }
+
+ .vis-fill {
+ fill-opacity:0.1;
+ stroke: none;
+ }
+
+
+ .vis-bar {
+ fill-opacity:0.5;
+ stroke-width:1px;
+ }
+
+ .vis-point {
+ stroke-width:2px;
+ fill-opacity:1.0;
+ }
+
+
+ .vis-legend-background {
+ stroke-width:1px;
+ fill-opacity:0.9;
+ fill: #ffffff;
+ stroke: #c2c2c2;
+ }
+
+
+ .vis-outline {
+ stroke-width:1px;
+ fill-opacity:1;
+ fill: #ffffff;
+ stroke: #e5e5e5;
+ }
+
+ .vis-icon-fill {
+ fill-opacity:0.3;
+ stroke: none;
+ }
+
+ div.description-container {
+ float:left;
+ height:30px;
+ width:160px;
+ padding-left:5px;
+ padding-right:5px;
+ line-height: 30px;
+ }
+
+ div.icon-container {
+ float:left;
+ }
+
+ div.legend-element-container {
+ display:inline-block;
+ width:200px;
+ height:30px;
+ border-style:solid;
+ border-width:1px;
+ border-color: #e0e0e0;
+ background-color: #ffffff;
+ margin:4px;
+ padding:4px;
+ -webkit-touch-callout: none;
+ -webkit-user-select: none;
+ -khtml-user-select: none;
+ -moz-user-select: none;
+ -ms-user-select: none;
+ user-select: none;
+ cursor:pointer;
+ }
+ div.legend-element-container.hidden {
+ background-color: #d3e6ff;
+ }
+
+ svg.legend-icon {
+ width:30px;
+ height:30px;
+ }
+
+ div.external-legend {
+ position:relative;
+ margin-left: -5px;
+ width: 900px;
+ }
+ </style>
+
+ <script src="../../dist/vis.js"></script>
+
+ <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>
+<body>
+<h2>Graph2d | External custom legend</h2>
+<div style="width:800px; font-size:14px; text-align: justify;">
+ This example shows how to create an external custom legend using the getLegend function. We use normal JavaScript to show and hide the
+ groups by updating the dataset.
+
+</div>
+<br />
+<div id="Legend" class="external-legend"></div>
+<div id="visualization"></div>
+
+
+<script type="text/javascript">
+ // create a dataSet with groups
+ var names = ['SquareShaded', 'Bargraph', 'Blank', 'CircleShaded'];
+ var groups = new vis.DataSet();
+ groups.add({
+ id: 0,
+ content: names[0],
+ className: 'custom-style1',
+ options: {
+ drawPoints: {
+ style: 'square' // square, circle
+ },
+ shaded: {
+ orientation: 'bottom' // top, bottom
+ }
+ }});
+
+ groups.add({
+ id: 1,
+ content: names[1],
+ className: 'custom-style2',
+ options: {
+ style:'bar',
+ drawPoints: {style: 'circle',
+ size: 10
+ }
+ }});
+
+ groups.add({
+ id: 2,
+ content: names[2],
+ options: {
+ yAxisOrientation: 'right', // right, left
+ drawPoints: false
+ }
+ });
+
+ groups.add({
+ id: 3,
+ content: names[3],
+ className: 'custom-style3',
+ options: {
+ yAxisOrientation: 'right', // right, left
+ drawPoints: {
+ style: 'circle' // square, circle
+ },
+ shaded: {
+ orientation: 'top' // top, bottom
+ }
+ }});
+
+ var container = document.getElementById('visualization');
+ var items = [
+ {x: '2014-06-12', y: 0 , group: 0},
+ {x: '2014-06-13', y: 30, group: 0},
+ {x: '2014-06-14', y: 10, group: 0},
+ {x: '2014-06-15', y: 15, group: 1},
+ {x: '2014-06-16', y: 30, group: 1},
+ {x: '2014-06-17', y: 10, group: 1},
+ {x: '2014-06-18', y: 15, group: 1},
+ {x: '2014-06-19', y: 52, group: 1},
+ {x: '2014-06-20', y: 10, group: 1},
+ {x: '2014-06-21', y: 20, group: 2},
+ {x: '2014-06-22', y: 600, group: 2},
+ {x: '2014-06-23', y: 100, group: 2},
+ {x: '2014-06-24', y: 250, group: 2},
+ {x: '2014-06-25', y: 300, group: 2},
+ {x: '2014-06-26', y: 200, group: 3},
+ {x: '2014-06-27', y: 600, group: 3},
+ {x: '2014-06-28', y: 1000, group: 3},
+ {x: '2014-06-29', y: 250, group: 3},
+ {x: '2014-06-30', y: 300, group: 3}
+ ];
+
+ var dataset = new vis.DataSet(items);
+ var options = {
+ dataAxis: {showMinorLabels: false},
+ start: '2014-06-09',
+ end: '2014-07-03'
+ };
+ var graph2d = new vis.Graph2d(container, items, groups, options);
+
+
+ /**
+ * this function fills the external legend with content using the getLegend() function.
+ */
+ function populateExternalLegend() {
+ var groupsData = groups.get();
+ var legendDiv = document.getElementById("Legend");
+ legendDiv.innerHTML = "";
+
+ // get for all groups:
+ for (var i = 0; i < groupsData.length; i++) {
+ // create divs
+ var containerDiv = document.createElement("div");
+ var iconDiv = document.createElement("div");
+ var descriptionDiv = document.createElement("div");
+
+ // give divs classes and Ids where necessary
+ containerDiv.className = 'legend-element-container';
+ containerDiv.id = groupsData[i].id + "_legendContainer"
+ iconDiv.className = "icon-container";
+ descriptionDiv.className = "description-container";
+
+ // get the legend for this group.
+ var legend = graph2d.getLegend(groupsData[i].id,30,30);
+
+ // 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
+ // icons with the same classes if they are using the default ones.
+ legend.icon.setAttributeNS(null, "class", "legend-icon");
+
+ // append the legend to the corresponding divs
+ iconDiv.appendChild(legend.icon);
+ descriptionDiv.innerHTML = legend.label;
+
+ // determine the order for left and right orientation
+ if (legend.orientation == 'left') {
+ descriptionDiv.style.textAlign = "left";
+ containerDiv.appendChild(iconDiv);
+ containerDiv.appendChild(descriptionDiv);
+ }
+ else {
+ descriptionDiv.style.textAlign = "right";
+ containerDiv.appendChild(descriptionDiv);
+ containerDiv.appendChild(iconDiv);
+ }
+
+ // append to the legend container div
+ legendDiv.appendChild(containerDiv);
+
+ // bind click event to this legend element.
+ containerDiv.onclick = toggleGraph.bind(this,groupsData[i].id);
+ }
+ }
+
+ /**
+ * This function switchs the visible option of the selected group on an off.
+ * @param groupId
+ */
+ function toggleGraph(groupId) {
+ // get the container that was clicked on.
+ var container = document.getElementById(groupId + "_legendContainer")
+ // if visible, hide
+ if (graph2d.isGroupVisible(groupId) == true) {
+ groups.update({id:groupId, visible:false});
+ container.className = container.className + " hidden";
+ }
+ else { // if invisible, show
+ groups.update({id:groupId, visible:true});
+ container.className = container.className.replace("hidden","");
+ }
+ }
+
+ populateExternalLegend()
+
+</script>
+</body>
+</html> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-06 19:01:06 +0000