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