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="g" style="width:600px; height:300px;"></div>
  15
  16     <div id="status" style="width:100%; height:200px;"></div>
  17
  18     <script type="text/javascript">
  19       s = document.getElementById("status");
  20       pts_info = function(x, pts) {
  21         var str = "(" + x + ") ";
  22         for (var i = 0; i < pts.length; i++) {
  23           var p = pts[i];
  24           if (i) str += ", ";
  25           str += p.name + ": " + p.xval + ", " + p.yval;
  26         }
  27         return str;
  28       };
  29
  30       g = new Dygraph(
  31             document.getElementById("g"),
  32             NoisyData, {
  33               rollPeriod: 7,
  34               showRoller: true,
  35               errorBars: true,
  36
  37               highlightCallback: function(e, x, pts) {
  38                 s.innerHTML += "<b>Highlight</b> " + pts_info(x,pts) + "<br/>";
  39               },
  40
  41               clickCallback: function(e, x, pts) {
  42                 s.innerHTML += "<b>Click</b> " + pts_info(x,pts) + "<br/>";
  43               },
  44
  45               zoomCallback: function(minX, maxX) {
  46                 s.innerHTML += "<b>Zoom</b> [" + minX + ", " + maxX + "]<br/>";
  47               }
  48             }
  49           );
  50     </script>
  51   </body>
  52 </html>