<!doctype html>
<html>
<head>
<title>Network | Selections</title>
<script type="text/javascript" src="../../dist/vis.js"></script>
<link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
<style type="text/css">
#mynetwork {
width: 400px;
height: 400px;
border: 1px solid lightgray;
}
</style>
<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>
<div id="mynetwork"></div>
<div id="info"></div>
<script type="text/javascript">
// create an array with nodes
var nodes = [
{id: 1, label: 'Node 1'},
{id: 2, label: 'Node 2'},
{id: 3, label: 'Node 3'},
{id: 4, label: 'Node 4'},
{id: 5, label: 'Node 5'}
];
// create an array with edges
var edges = [
{from: 1, to: 2},
{from: 1, to: 3},
{from: 2, to: 4},
{from: 2, to: 5}
];
// create a network
var container = document.getElementById('mynetwork');
var data = {
nodes: nodes,
edges: edges
};
var options = {
nodes: {
shape: 'box'
}
};
network = new vis.Network(container, data, options);
// add event listener
network.on('select', function(properties) {
document.getElementById('info').innerHTML += 'selection: ' + JSON.stringify(properties) + '<br>';
});
// set initial selection (id's of some nodes)
network.selectNodes([3, 4, 5]);
</script>
</body>
</html>