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- <!DOCTYPE HTML>
- <html>
- <head>
- <title>Timeline | Order groups</title>
-
- <style>
- body, html {
- font-family: arial, sans-serif;
- font-size: 11pt;
- }
-
- #visualization {
- box-sizing: border-box;
- width: 100%;
- height: 300px;
- }
- </style>
-
- <script src="../../dist/vis.js"></script>
- <link href="../../dist/vis.css" rel="stylesheet" type="text/css" />
- </head>
- <body>
- <p>
- This example demonstrate custom ordering of groups.
- </p>
- <div id="visualization"></div>
-
- <script>
- var groups = new vis.DataSet();
- groups.add([
- {id: 0, content: 'First', value: 1},
- {id: 1, content: 'Third', value: 3},
- {id: 2, content: 'Second', value: 2}
- ]);
-
- // create a dataset with items
- var items = new vis.DataSet();
- items.add([
- {id: 0, group: 0, content: 'item 0', start: new Date(2014, 3, 17)},
- {id: 1, group: 0, content: 'item 1', start: new Date(2014, 3, 19)},
- {id: 2, group: 1, content: 'item 2', start: new Date(2014, 3, 16)},
- {id: 3, group: 1, content: 'item 3', start: new Date(2014, 3, 23)},
- {id: 4, group: 1, content: 'item 4', start: new Date(2014, 3, 22)},
- {id: 5, group: 2, content: 'item 5', start: new Date(2014, 3, 24)}
- ]);
-
- // create visualization
- var container = document.getElementById('visualization');
- var options = {
- // option groupOrder can be a property name or a sort function
- // the sort function must compare two groups and return a value
- // > 0 when a > b
- // < 0 when a < b
- // 0 when a == b
- groupOrder: function (a, b) {
- return a.value - b.value;
- }
- };
-
- var timeline = new vis.Timeline(container);
- timeline.setOptions(options);
- timeline.setGroups(groups);
- timeline.setItems(items);
-
- </script>
- </body>
- </html>
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