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224 lines
6.5 KiB
224 lines
6.5 KiB
<!doctype html>
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<html>
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<head>
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<title>Graph | Navigation</title>
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<style type="text/css">
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body {
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font: 10pt sans;
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}
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#mygraph {
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position:relative;
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width: 600px;
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height: 600px;
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border: 1px solid lightgray;
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}
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table.legend_table {
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font-size: 11px;
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border-width:1px;
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border-color:#d3d3d3;
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border-style:solid;
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}
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table.legend_table,td {
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border-width:1px;
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border-color:#d3d3d3;
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border-style:solid;
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padding: 2px;
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}
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div.table_content {
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width:80px;
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text-align:center;
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}
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div.table_description {
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width:100px;
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}
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#operation {
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font-size:28px;
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}
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#graph-popUp {
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display:none;
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position:absolute;
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top:350px;
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left:170px;
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z-index:299;
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width:250px;
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height:120px;
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background-color: #f9f9f9;
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border-style:solid;
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border-width:3px;
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border-color: #5394ed;
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padding:10px;
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text-align: center;
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}
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</style>
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<script type="text/javascript" src="../../dist/vis.js"></script>
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<link type="text/css" rel="stylesheet" href="../../dist/vis.css">
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<script type="text/javascript">
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var nodes = null;
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var edges = null;
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var graph = null;
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function draw() {
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nodes = [];
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edges = [];
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var connectionCount = [];
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// randomly create some nodes and edges
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var nodeCount = 25;
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for (var i = 0; i < nodeCount; i++) {
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nodes.push({
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id: i,
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label: String(i)
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});
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connectionCount[i] = 0;
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// create edges in a scale-free-graph way
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if (i == 1) {
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var from = i;
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var to = 0;
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edges.push({
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from: from,
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to: to
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});
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connectionCount[from]++;
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connectionCount[to]++;
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}
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else if (i > 1) {
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var conn = edges.length * 2;
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var rand = Math.floor(Math.random() * conn);
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var cum = 0;
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var j = 0;
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while (j < connectionCount.length && cum < rand) {
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cum += connectionCount[j];
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j++;
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}
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var from = i;
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var to = j;
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edges.push({
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from: from,
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to: to
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});
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connectionCount[from]++;
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connectionCount[to]++;
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}
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}
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// create a graph
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var container = document.getElementById('mygraph');
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var data = {
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nodes: nodes,
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edges: edges
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};
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var options = {
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edges: {
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length: 50
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},
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stabilize: false,
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dataManipulation: true,
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onAdd: function(data,callback) {
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var span = document.getElementById('operation');
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var idInput = document.getElementById('node-id');
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var labelInput = document.getElementById('node-label');
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var saveButton = document.getElementById('saveButton');
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var cancelButton = document.getElementById('cancelButton');
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var div = document.getElementById('graph-popUp');
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span.innerHTML = "Add Node";
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idInput.value = data.id;
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labelInput.value = data.label;
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saveButton.onclick = saveData.bind(this,data,callback);
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cancelButton.onclick = clearPopUp.bind();
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div.style.display = 'block';
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},
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onEdit: function(data,callback) {
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var span = document.getElementById('operation');
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var idInput = document.getElementById('node-id');
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var labelInput = document.getElementById('node-label');
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var saveButton = document.getElementById('saveButton');
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var cancelButton = document.getElementById('cancelButton');
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var div = document.getElementById('graph-popUp');
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span.innerHTML = "Edit Node";
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idInput.value = data.id;
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labelInput.value = data.label;
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saveButton.onclick = saveData.bind(this,data,callback);
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cancelButton.onclick = clearPopUp.bind();
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div.style.display = 'block';
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},
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onConnect: function(data,callback) {
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if (data.from == data.to) {
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var r=confirm("Do you want to connect the node to itself?");
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if (r==true) {
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callback(data);
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}
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}
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else {
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callback(data);
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}
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}
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};
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graph = new vis.Graph(container, data, options);
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// add event listeners
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graph.on('select', function(params) {
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document.getElementById('selection').innerHTML = 'Selection: ' + params.nodes;
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});
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graph.on("resize", function(params) {console.log(params.width,params.height)});
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function clearPopUp() {
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var saveButton = document.getElementById('saveButton');
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var cancelButton = document.getElementById('cancelButton');
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saveButton.onclick = null;
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cancelButton.onclick = null;
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var div = document.getElementById('graph-popUp');
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div.style.display = 'none';
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}
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function saveData(data,callback) {
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var idInput = document.getElementById('node-id');
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var labelInput = document.getElementById('node-label');
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var div = document.getElementById('graph-popUp');
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data.id = idInput.value;
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data.label = labelInput.value;
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clearPopUp();
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callback(data);
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}
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}
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</script>
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</head>
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<body onload="draw();">
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<h2>Editing the dataset</h2>
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<div style="width: 700px; font-size:14px;">
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In this example we have enabled the data manipulation setting. If the dataManipulation option is set to true, the edit button will appear.
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If you prefer to have the toolbar visible initially, you can set the initiallyVisible option to true. The exact method is described in the docs.
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<br /><br />
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The data manipulation allows the user to add nodes, connect them, edit them and delete any selected items. In this example we have created trigger functions
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for the add and edit operations. By settings these trigger functions the user can direct the way the data is manipulated. In this example we have created a simple
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pop-up that allows us to edit some of the properties.
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</div>
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<br />
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<div id="graph-popUp">
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<span id="operation">node</span> <br>
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<table style="margin:auto;"><tr>
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<td>id</td><td><input id="node-id" value="new value"></td>
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</tr>
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<tr>
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<td>label</td><td><input id="node-label" value="new value"> </td>
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</tr></table>
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<input type="button" value="save" id="saveButton"></button>
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<input type="button" value="cancel" id="cancelButton"></button>
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</div>
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<br />
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<div id="mygraph"></div>
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<p id="selection"></p>
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</body>
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</html>
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