tests/x-axis-formatter.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <link rel="stylesheet" href="../css/dygraph.css">
   5     <title>X Axis Label Formatting</title>
   6     <!--
   7     For production (minified) code, use:
   8     <script type="text/javascript" src="dygraph-combined.js"></script>
   9     -->
  10     <script type="text/javascript" src="../dist/dygraph.js"></script>
  11
  12   </head>
  13   <body>
  14     <p>Original data:</p>
  15     <div id="normal" style="width:600px; height:300px;"></div>
  16
  17     <p>Same data, but offset by 2 hours with the date formatter:</p>
  18     <div id="offby2" style="width:600px; height:300px;"></div>
  19
  20     <p>Same data, but always displaying HH:MM:SS:</p>
  21     <div id="seconds" style="width:600px; height:300px;"></div>
  22
  23     <script type="text/javascript">
  24       function HourlyData() {
  25         return "" +
  26           "Date,A,B\n" +
  27           "2009/07/12 00:00:00,3,4\n" +
  28           "2009/07/12 01:00:00,5,6\n" +
  29           "2009/07/12 02:00:00,7,6\n" +
  30           "2009/07/12 03:00:00,6,5\n" +
  31           "2009/07/12 04:00:00,4,7\n" +
  32           "2009/07/12 05:00:00,3,6\n" +
  33           "2009/07/12 06:00:00,4,6"
  34       }
  35       function zeropad(x) {
  36         return (x < 10) ? '0' + x : x;
  37       }
  38
  39       var g1 = new Dygraph(
  40             document.getElementById("normal"),
  41             HourlyData()
  42           );
  43
  44       var g2 = new Dygraph(
  45             document.getElementById("offby2"),
  46             HourlyData(),
  47             {
  48               axes: {
  49                 x: {
  50                   axisLabelFormatter: function(d, gran, opts) {
  51                       return Dygraph.dateAxisLabelFormatter(new Date(d.getTime() + 7200*1000), gran, opts);
  52                   }
  53                 }
  54               }
  55             });
  56
  57       var g3 = new Dygraph(
  58             document.getElementById("seconds"),
  59             HourlyData(),
  60             {
  61               axes: {
  62                 x: {
  63                   axisLabelWidth: 70,
  64                   axisLabelFormatter: function(d, gran) {
  65                     return zeropad(d.getHours()) + ":"
  66                         + zeropad(d.getMinutes()) + ":"
  67                         + zeropad(d.getSeconds());
  68                   }
  69                 }
  70               }
  71             });
  72     </script>
  73   </body>
  74 </html>