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- <!doctype html>
- <html>
- <head>
- <title>Network | Dynamic Data</title>
-
- <script type="text/javascript" src="../../../dist/vis.js"></script>
- <link href="../../../dist/vis-network.min.css" rel="stylesheet" type="text/css" />
-
- <style type="text/css">
- #mynetwork {
- width: 600px;
- height: 400px;
- border: 1px solid lightgray;
- }
-
- p {
- max-width:600px;
- }
-
- h4 {
- margin-bottom:3px;
- }
- </style>
- </head>
-
- <p>
- You can change any settings you want while the network is initialized using the vis Dataset, setOptions and setData. Finally you can destroy the network and completely reinitialize it.
- </p>
-
- <h4>DataSet (change the data while it's loaded and initialzed):</h4>
- <input type="button" onclick="addNode()" value="add node dynamically"> <br />
- <input type="button" onclick="changeNode1()" value="change node 1's color dynamically"> <br />
- <input type="button" onclick="removeRandomNode()" value="remove a random Node"> <br />
- <input type="button" onclick="resetAllNodes()" value="reload all nodes"> <br />
- <input type="button" onclick="resetAllNodesStabilize()" value="reload all nodes and stabilize"> <br />
-
- <h4>setOptions (change the global options):</h4>
- <input type="button" onclick="changeOptions()" value="change the global options"><br />
-
- <h4>setData (reinitialize the data): </h4>
- <input type="button" onclick="setTheData()" value="setData. This stabilizes again if stabilization is true."><br />
-
- <h4>Cleanly destroy the network and restart it:</h4>
- <input type="button" onclick="resetAll()" value="Destroy the network and restart it."><br />
- <div id="mynetwork"></div>
-
- <script type="text/javascript">
- var nodeIds, shadowState, nodesArray, nodes, edgesArray, edges, network;
-
- function startNetwork() {
- // this list is kept to remove a random node.. we do not add node 1 here because it's used for changes
- nodeIds = [2, 3, 4, 5];
- shadowState = false;
-
-
- // create an array with nodes
- nodesArray = [
- {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'}
- ];
- nodes = new vis.DataSet(nodesArray);
-
- // create an array with edges
- edgesArray = [
- {from: 1, to: 3},
- {from: 1, to: 2},
- {from: 2, to: 4},
- {from: 2, to: 5}
- ];
- edges = new vis.DataSet(edgesArray);
-
- // create a network
- var container = document.getElementById('mynetwork');
- var data = {
- nodes: nodes,
- edges: edges
- };
- var options = {};
- network = new vis.Network(container, data, options);
- }
-
- function addNode() {
- var newId = (Math.random() * 1e7).toString(32);
- nodes.add({id:newId, label:"I'm new!"});
- nodeIds.push(newId);
- }
-
- function changeNode1() {
- var newColor = '#' + Math.floor((Math.random() * 255 * 255 * 255)).toString(16);
- nodes.update([{id:1, color:{background:newColor}}]);
- }
-
- function removeRandomNode() {
- var randomNodeId = nodeIds[Math.floor(Math.random() * nodeIds.length)];
- nodes.remove({id:randomNodeId});
-
- var index = nodeIds.indexOf(randomNodeId);
- nodeIds.splice(index,1);
- }
-
- function changeOptions() {
- shadowState = !shadowState;
- network.setOptions({nodes:{shadow:shadowState},edges:{shadow:shadowState}});
- }
-
- function resetAllNodes() {
- nodes.clear();
- edges.clear();
- nodes.add(nodesArray);
- edges.add(edgesArray);
- }
-
- function resetAllNodesStabilize() {
- resetAllNodes();
- network.stabilize();
- }
-
- function setTheData() {
- nodes = new vis.DataSet(nodesArray);
- edges = new vis.DataSet(edgesArray);
- network.setData({nodes:nodes, edges:edges})
- }
-
- function resetAll() {
- if (network !== null) {
- network.destroy();
- network = null;
- }
- startNetwork();
- }
-
- startNetwork();
- </script>
-
-
- </body>
- </html>
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