tests/callback.html

   1 <!DOCTYPE html>
   2 <html>
   3   <head>
   4     <link rel="stylesheet" href="../css/dygraph.css">
   5     <title>callbacks</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     <script type="text/javascript" src="data.js"></script>
  13     <style type="text/css">
  14       #div_g {
  15         position: absolute;
  16         left: 200px;
  17         top: 100px;
  18       }
  19       #status {
  20         position: absolute;
  21         top: 400px;
  22       }
  23     </style>
  24   </head>
  25   <body>
  26     <p>Hover, click and zoom to test the callbacks:</p>
  27     <div id="div_g" style="width:600px; height:300px;"></div>
  28
  29     <input type="button" value="Clear list" onclick="javascript:document.getElementById('status').innerHTML=''" />
  30     <input type="checkbox" id="highlight" checked><label for="highlight"> Show 'highlight' events</label>
  31     <input type="checkbox" id="unhighlight" checked><label for="unhighlight">Show 'unhighlight' events</label>
  32     <input type="checkbox" id="showLabels" checked
  33     onclick='g.updateOptions({showLabelsOnHighlight: this.checked});'>
  34     <label for="showLabels"> Show Labels on highlight</label>
  35     <div id="status" style="width:100%; height:200px;"></div>
  36
  37     <script type="text/javascript">
  38       s = document.getElementById("status");
  39       g = null;
  40       pts_info = function(e, x, pts, row) {
  41         var str = "(" + x + ") ";
  42         for (var i = 0; i < pts.length; i++) {
  43           var p = pts[i];
  44           if (i) str += ", ";
  45           str += p.name + ": " + p.yval;
  46         }
  47
  48         var x = e.offsetX;
  49         var y = e.offsetY;
  50         var dataXY = g.toDataCoords(x, y);
  51         str += ", (" + x + ", " + y + ")";
  52         str += " -> (" + dataXY[0] + ", " + dataXY[1] + ")";
  53         str += ", row #"+row;
  54
  55         return str;
  56       };
  57
  58       g = new Dygraph(
  59             document.getElementById("div_g"),
  60             NoisyData, {
  61               rollPeriod: 7,
  62               showRoller: true,
  63               errorBars: true,
  64
  65               highlightCallback: function(e, x, pts, row) {
  66                 if (document.getElementById('highlight').checked) {
  67                   s.innerHTML += "<b>Highlight</b> " + pts_info(e,x,pts,row) + "<br/>";
  68                 }
  69               },
  70
  71               unhighlightCallback: function(e) {
  72                 if (document.getElementById('unhighlight').checked) {
  73                   s.innerHTML += "<b>Unhighlight</b><br/>";
  74                 }
  75               },
  76
  77               clickCallback: function(e, x, pts) {
  78                 s.innerHTML += "<b>Click</b> " + pts_info(e,x,pts) + "<br/>";
  79               },
  80
  81               pointClickCallback: function(e, p) {
  82                 s.innerHTML += "<b>Point Click</b> " + p.name + ": " + p.x + "<br/>";
  83               },
  84
  85               zoomCallback: function(minX, maxX, yRanges) {
  86                 s.innerHTML += "<b>Zoom</b> [" + minX + ", " + maxX + ", [" + yRanges + "]]<br/>";
  87               },
  88
  89               drawCallback: function(g) {
  90                 s.innerHTML += "<b>Draw</b> [" + g.xAxisRange() + "]<br/>";
  91               }
  92             }
  93           );
  94     </script>
  95   </body>
  96 </html>