tests/callback.html

   1 <html>
   2   <head>
   3     <title>callbacks</title>
   4     <!--[if IE]>
   5     <script type="text/javascript" src="excanvas.js"></script>
   6     <![endif]-->
   7     <script type="text/javascript" src="../dygraph-combined.js"></script>
   8     <script type="text/javascript" src="../dygraph-canvas.js"></script>
   9     <script type="text/javascript" src="../dygraph.js"></script>
  10     <script type="text/javascript" src="data.js"></script>
  11   </head>
  12   <body>
  13     <p>Hover, click and zoom to test the callbacks:</p>
  14     <div id="div_g" style="width:600px; height:300px;"></div>
  15
  16     <input type="button" value="Clear list" onclick="javascript:document.getElementById('status').innerHTML=''" />
  17     <input type="checkbox" id="highlight" checked><label for="highlight"> Show 'highlight' events</label>
  18     <div id="status" style="width:100%; height:200px;"></div>
  19
  20     <script type="text/javascript">
  21       s = document.getElementById("status");
  22       pts_info = function(x, pts) {
  23         var str = "(" + x + ") ";
  24         for (var i = 0; i < pts.length; i++) {
  25           var p = pts[i];
  26           if (i) str += ", ";
  27           str += p.name + ": " + p.xval + ", " + p.yval;
  28         }
  29         return str;
  30       };
  31
  32       g = new Dygraph(
  33             document.getElementById("div_g"),
  34             NoisyData, {
  35               rollPeriod: 7,
  36               showRoller: true,
  37               errorBars: true,
  38
  39               highlightCallback: function(e, x, pts) {
  40                 if (document.getElementById('highlight').checked) {
  41                   s.innerHTML += "<b>Highlight</b> " + pts_info(x,pts) + "<br/>";
  42                 }
  43               },
  44
  45               clickCallback: function(e, x, pts) {
  46                 s.innerHTML += "<b>Click</b> " + pts_info(x,pts) + "<br/>";
  47               },
  48
  49               zoomCallback: function(minX, maxX) {
  50                 s.innerHTML += "<b>Zoom</b> [" + minX + ", " + maxX + "]<br/>";
  51               },
  52
  53               drawCallback: function(g) {
  54                 s.innerHTML += "<b>Draw</b> [" + g.xAxisRange() + "]<br/>";
  55               }
  56             }
  57           );
  58     </script>
  59   </body>
  60 </html>