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67 lines
1.5 KiB
67 lines
1.5 KiB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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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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</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, text: 'Node 1'},
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{id: 2, text: 'Node 2'},
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{id: 3, text: 'Node 3'},
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{id: 4, text: 'Node 4'},
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{id: 5, text: '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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// specify options
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var options = {
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width: '400px',
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height: '400px'
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};
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// create a graph
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var graph = new vis.Graph(document.getElementById('mygraph'));
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// draw the graph with the created data and options
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graph.draw(nodes, edges, 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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