vis.js is a dynamic, browser-based visualization library
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<!doctype html>
<html>
<head>
<title>Network | Localization</title>
<style type="text/css">
body, select {
font: 10pt sans;
}
#mynetwork {
position:relative;
width: 800px;
height: 600px;
border: 1px solid lightgray;
}
table.legend_table {
font-size: 11px;
border-width:1px;
border-color:#d3d3d3;
border-style:solid;
}
table.legend_table,td {
border-width:1px;
border-color:#d3d3d3;
border-style:solid;
padding: 2px;
}
div.table_content {
width:80px;
text-align:center;
}
div.table_description {
width:100px;
}
#operation {
font-size:28px;
}
#network-popUp {
display:none;
position:absolute;
top:350px;
left:170px;
z-index:299;
width:250px;
height:120px;
background-color: #f9f9f9;
border-style:solid;
border-width:3px;
border-color: #5394ed;
padding:10px;
text-align: center;
}
</style>
<script type="text/javascript" src="../../dist/vis.js"></script>
<link type="text/css" rel="stylesheet" href="../../dist/vis.css">
<script type="text/javascript">
var nodes = null;
var edges = null;
var network = null;
function destroy() {
if (network !== null) {
network.destroy();
network = null;
}
}
function draw() {
destroy();
nodes = [];
edges = [];
var connectionCount = [];
// randomly create some nodes and edges
var nodeCount = 25;
for (var i = 0; i < nodeCount; i++) {
nodes.push({
id: i,
label: String(i)
});
connectionCount[i] = 0;
// create edges in a scale-free-network way
if (i == 1) {
var from = i;
var to = 0;
edges.push({
from: from,
to: to
});
connectionCount[from]++;
connectionCount[to]++;
}
else if (i > 1) {
var conn = edges.length * 2;
var rand = Math.floor(Math.random() * conn);
var cum = 0;
var j = 0;
while (j < connectionCount.length && cum < rand) {
cum += connectionCount[j];
j++;
}
var from = i;
var to = j;
edges.push({
from: from,
to: to
});
connectionCount[from]++;
connectionCount[to]++;
}
}
// create a network
var container = document.getElementById('mynetwork');
var data = {
nodes: nodes,
edges: edges
};
var options = {
stabilize: false,
dataManipulation: true,
onAdd: function(data,callback) {
var span = document.getElementById('operation');
var idInput = document.getElementById('node-id');
var labelInput = document.getElementById('node-label');
var saveButton = document.getElementById('saveButton');
var cancelButton = document.getElementById('cancelButton');
var div = document.getElementById('network-popUp');
span.innerHTML = "Add Node";
idInput.value = data.id;
labelInput.value = data.label;
saveButton.onclick = saveData.bind(this,data,callback);
cancelButton.onclick = clearPopUp.bind();
div.style.display = 'block';
},
onEdit: function(data,callback) {
var span = document.getElementById('operation');
var idInput = document.getElementById('node-id');
var labelInput = document.getElementById('node-label');
var saveButton = document.getElementById('saveButton');
var cancelButton = document.getElementById('cancelButton');
var div = document.getElementById('network-popUp');
span.innerHTML = "Edit Node";
idInput.value = data.id;
labelInput.value = data.label;
saveButton.onclick = saveData.bind(this,data,callback);
cancelButton.onclick = clearPopUp.bind();
div.style.display = 'block';
},
onConnect: function(data,callback) {
if (data.from == data.to) {
var r=confirm("Do you want to connect the node to itself?");
if (r==true) {
callback(data);
}
}
else {
callback(data);
}
}
};
network = new vis.Network(container, data, options);
// add event listeners
network.on('select', function(params) {
document.getElementById('selection').innerHTML = 'Selection: ' + params.nodes;
});
network.on("resize", function(params) {console.log(params.width,params.height)});
function clearPopUp() {
var saveButton = document.getElementById('saveButton');
var cancelButton = document.getElementById('cancelButton');
saveButton.onclick = null;
cancelButton.onclick = null;
var div = document.getElementById('network-popUp');
div.style.display = 'none';
}
function saveData(data,callback) {
var idInput = document.getElementById('node-id');
var labelInput = document.getElementById('node-label');
var div = document.getElementById('network-popUp');
data.id = idInput.value;
data.label = labelInput.value;
clearPopUp();
callback(data);
}
// update the locale when changing the select box value
var select = document.getElementById('locale');
select.onchange = function () {
network.setOptions({
locale: this.value
});
};
select.onchange();
}
</script>
</head>
<body onload="draw();">
<h2>Editing the dataset (localized)</h2>
<p style="width: 700px; font-size:14px; text-align: justify;">
This is the same example as <a href="21_data_manipulation.html">21_data_manipulation.html</a>, except that there is a select box added which allows to switch locale. The localization is only relevant to the manipulation buttons.
</p>
<p>
<label for="locale">Select a locale:</label>
<select id="locale">
<option value="en" selected>en</option>
<option value="nl">nl</option>
</select>
</p>
<div id="network-popUp">
<span id="operation">node</span> <br>
<table style="margin:auto;"><tr>
<td>id</td><td><input id="node-id" value="new value"></td>
</tr>
<tr>
<td>label</td><td><input id="node-label" value="new value"> </td>
</tr></table>
<input type="button" value="save" id="saveButton"></button>
<input type="button" value="cancel" id="cancelButton"></button>
</div>
<br />
<div id="mynetwork"></div>
<p id="selection"></p>
</body>
</html>