- Stop charts with no visible plots from crashing.
[dygraphs.git] / tests / synchronize.html
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1<html>
2 <head>
3 <title>synchronize</title>
4 <!--[if IE]>
a2b2c3a1 5 <script type="text/javascript" src="../excanvas.js"></script>
02f49d0b 6 <![endif]-->
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7 <script type="text/javascript" src="../strftime/strftime-min.js"></script>
8 <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
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9 <script type="text/javascript" src="../dygraph-canvas.js"></script>
10 <script type="text/javascript" src="../dygraph.js"></script>
11 <script type="text/javascript" src="data.js"></script>
12 <style type="text/css">
13 #div1 { position: absolute; left: 10px; top: 30px; }
14 #div2 { position: absolute; left: 520px; top: 30px; }
15 #div3 { position: absolute; left: 10px; top: 340px; }
16 #div4 { position: absolute; left: 520px; top: 340px; }
17 </style>
18 </head>
19 <body>
20 <p>Zooming and panning on any of the charts will zoom and pan all the
21 others.</p>
fe0b7c03 22
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23 <div id="div1" style="width:500px; height:300px;"></div>
24 <div id="div2" style="width:500px; height:300px;"></div>
25 <div id="div3" style="width:500px; height:300px;"></div>
26 <div id="div4" style="width:500px; height:300px;"></div>
27
28 <script type="text/javascript">
29 gs = [];
30 var blockRedraw = false;
31 var initialized = false;
32 for (var i = 1; i <= 4; i++) {
33 gs.push(
34 new Dygraph(
35 document.getElementById("div" + i),
36 NoisyData, {
37 rollPeriod: 7,
38 errorBars: true,
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39 drawCallback: function(me, initial) {
40 if (blockRedraw || initial) return;
02f49d0b 41 blockRedraw = true;
fe0b7c03 42 var range = me.xAxisRange();
03f8266b 43 var yrange = me.yAxisRange();
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44 for (var j = 0; j < 4; j++) {
45 if (gs[j] == me) continue;
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46 gs[j].updateOptions( {
47 dateWindow: range,
48 valueRange: yrange
49 } );
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50 }
51 blockRedraw = false;
52 }
53 }
54 )
55 );
56 }
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57 </script>
58 </body>
59</html>