vis.js is a dynamic, browser-based visualization library
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  1. <!doctype html>
  2. <html>
  3. <head>
  4. <title>Graph | Selections</title>
  5. <script type="text/javascript" src="../../vis.js"></script>
  6. <style type="text/css">
  7. #mygraph {
  8. width: 400px;
  9. height: 400px;
  10. border: 1px solid lightgray;
  11. }
  12. </style>
  13. </head>
  14. <body>
  15. <div id="mygraph"></div>
  16. <div id="info"></div>
  17. <script type="text/javascript">
  18. // create an array with nodes
  19. var nodes = [
  20. {id: 1, label: 'Node 1'},
  21. {id: 2, label: 'Node 2'},
  22. {id: 3, label: 'Node 3'},
  23. {id: 4, label: 'Node 4'},
  24. {id: 5, label: 'Node 5'}
  25. ];
  26. // create an array with edges
  27. var edges = [
  28. {from: 1, to: 2},
  29. {from: 1, to: 3},
  30. {from: 2, to: 4},
  31. {from: 2, to: 5}
  32. ];
  33. // create a graph
  34. var container = document.getElementById('mygraph');
  35. var data = {
  36. nodes: nodes,
  37. edges: edges
  38. };
  39. var options = {};
  40. graph = new vis.Graph(container, data, options);
  41. // add event listener
  42. function onSelect() {
  43. var selection = graph.getSelection();
  44. var info = 'selection: ';
  45. selection.forEach(function (s) {
  46. info += s.row + ' ';
  47. });
  48. document.getElementById('info').innerHTML += info + '<br>';
  49. }
  50. vis.events.addListener(graph, 'select', onSelect);
  51. // set initial selection (row based, zero-based)
  52. var selection = [
  53. {'row': 2},
  54. {'row': 3},
  55. {'row': 4}
  56. ];
  57. graph.setSelection(selection);
  58. </script>
  59. </body>
  60. </html>