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- <!DOCTYPE HTML>
- <html>
- <head>
- <title>Timeline | Custom snapping</title>
-
- <script src="../../../dist/vis.js"></script>
- <link href="../../../dist/vis.css" rel="stylesheet" type="text/css" />
- <script src="../../googleAnalytics.js"></script>
- </head>
- <body>
- <p>
- When moving the items in on the Timeline below, they will snap to full hours,
- independent of being zoomed in or out.
- </p>
- <div id="visualization"></div>
-
- <script type="text/javascript">
- // DOM element where the Timeline will be attached
- var container = document.getElementById('visualization');
-
- // Create a DataSet (allows two way data-binding)
- var items = new vis.DataSet([
- {id: 1, content: 'A', start: '2015-02-09T04:00:00'},
- {id: 2, content: 'B', start: '2015-02-09T14:00:00'},
- {id: 3, content: 'C', start: '2015-02-09T16:00:00'},
- {id: 4, content: 'D', start: '2015-02-09T17:00:00'},
- {id: 5, content: 'E', start: '2015-02-10T03:00:00'}
- ]);
-
- // Configuration for the Timeline
- var options = {
- editable: true,
-
- // always snap to full hours, independent of the scale
- snap: function (date, scale, step) {
- var hour = 60 * 60 * 1000;
- return Math.round(date / hour) * hour;
- }
-
- // to configure no snapping at all:
- //
- // snap: null
- //
- // or let the snap function return the date unchanged:
- //
- // snap: function (date, scale, step) {
- // return date;
- // }
- };
-
- // Create a Timeline
- var timeline = new vis.Timeline(container, items, options);
- </script>
- </body>
- </html>
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