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76 lines
1.6 KiB
76 lines
1.6 KiB
<!doctype html>
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<html>
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<head>
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<title>Graph | Selections</title>
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<script type="text/javascript" src="../../vis.js"></script>
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<style type="text/css">
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#mygraph {
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width: 400px;
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height: 400px;
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border: 1px solid lightgray;
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}
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</style>
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</head>
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<body>
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<div id="mygraph"></div>
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<div id="info"></div>
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<script type="text/javascript">
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// create an array with nodes
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var nodes = [
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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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// create an array with edges
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var edges = [
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{from: 1, to: 2},
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{from: 1, to: 3},
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{from: 2, to: 4},
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{from: 2, to: 5}
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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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nodes: {
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shape: 'ellipse'
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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 listener
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function onSelect() {
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var selection = graph.getSelection();
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var info = 'selection: ';
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selection.forEach(function (s) {
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info += s.row + ' ';
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});
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document.getElementById('info').innerHTML += info + '<br>';
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}
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vis.events.addListener(graph, 'select', onSelect);
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// set initial selection (row based, zero-based)
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var selection = [
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{'row': 2},
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{'row': 3},
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{'row': 4}
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];
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graph.setSelection(selection);
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</script>
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</body>
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</html>
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