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