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- <!doctype html>
- <html>
- <head>
- <title>Graph | Selections</title>
-
- <script type="text/javascript" src="../../vis.js"></script>
- </head>
-
- <body>
-
- <div id="mygraph"></div>
- <div id="info"></div>
-
- <script type="text/javascript">
- // create an array with nodes
- var nodes = [
- {id: 1, text: 'Node 1'},
- {id: 2, text: 'Node 2'},
- {id: 3, text: 'Node 3'},
- {id: 4, text: 'Node 4'},
- {id: 5, text: '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}
- ];
-
- // specify options
- var options = {
- width: '400px',
- height: '400px'
- };
-
- // create a graph
- var graph = new vis.Graph(document.getElementById('mygraph'));
-
- // draw the graph with the created data and options
- graph.draw(nodes, edges, 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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