add the magic <meta> tag for IE8+9
[dygraphs.git] / tests / zoom.html
1 <!DOCTYPE html>
2 <html>
3 <head>
4 <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
5 <title>zoom</title>
6 <!--[if IE]>
7 <script type="text/javascript" src="../excanvas.js"></script>
8 <![endif]-->
9 <script type="text/javascript" src="../strftime/strftime-min.js"></script>
10 <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
11 <script type="text/javascript" src="../dygraph-canvas.js"></script>
12 <script type="text/javascript" src="../dygraph.js"></script>
13 <script type="text/javascript" src="data.js"></script>
14 </head>
15 <body>
16 <h3>Click the buttons to change the zoom level or just use the normal
17 click-and drag. While zoom typically works by click-and-drag, the
18 buttons are useful for testing.</h3>
19 <h4>Window coordinates (in dates and values):</h4>
20 <div id="xdimensions"></div> <div id="ydimensions"></div>
21 <div id="div_g" style="width:600px; height:300px;"></div>
22
23 <p><b>Zoom operations:</b></p>
24 <p>
25 <input type="button" value="Y (3,5)" onclick="zoomGraphY(3,5)">&nbsp;
26 <input type="button" value="Y (0,4)" onclick="zoomGraphY(0,4)">&nbsp;
27 <input type="button" value="Y (2,4)" onclick="zoomGraphY(2,4)">&nbsp;
28 <input type="button" value="Y (0,2)" onclick="zoomGraphY(0,2)">&nbsp;
29 <input type="button" value="Y (0,1)" onclick="zoomGraphY(0,1)">&nbsp;
30 <br>
31 <input type="button" value="Oct 8-13" onclick="zoomGraphX(1160261979962, 1163905694248)">&nbsp;
32 <input type="button" value="Oct 22-28" onclick="zoomGraphX(1161489164461 , 1162008465957)">&nbsp;
33 <input type="button" value="Oct 23-24" onclick="zoomGraphX(1161575878860, 1161660991675)">&nbsp;
34 <input type="button" value="Oct 26 6AM-noon" onclick="zoomGraphX(1161770537840, 1161792063332)">&nbsp;
35 <br>
36 <input type="button" value="Unzoom" onclick="unzoomGraph()">&nbsp;
37 </p>
38
39
40 <script type="text/javascript">
41 g = new Dygraph(
42 document.getElementById("div_g"),
43 NoisyData, {
44 errorBars: true,
45 zoomCallback : function(minDate, maxDate, yRanges) {
46 showDimensions(minDate, maxDate, yRanges);
47 }
48 }
49 );
50
51 // TODO(konigsberg): Implement a visualization that verifies that initial
52 // displays also show correctly.
53
54 // Pull an initial value for logging.
55 var minDate = g.xAxisRange()[0];
56 var maxDate = g.xAxisRange()[1];
57 var minValue = g.yAxisRange()[0];
58 var maxValue = g.yAxisRange()[1];
59 showDimensions(minDate, maxDate, [minValue, maxValue]);
60
61 function showDimensions(minDate, maxDate, yRanges) {
62 showXDimensions(minDate, maxDate);
63 showYDimensions(yRanges);
64 }
65
66 function showXDimensions(first, second) {
67 var elem = document.getElementById("xdimensions");
68 elem.innerHTML = "dateWindow : [" + first + ", "+ second + "]";
69 }
70
71 function showYDimensions(ranges) {
72 var elem = document.getElementById("ydimensions");
73 elem.innerHTML = "valueRange : [" + ranges + "]";
74 }
75
76 function zoomGraphX(minDate, maxDate) {
77 g.updateOptions({
78 dateWindow: [minDate, maxDate]
79 });
80 showXDimensions(minDate, maxDate);
81 }
82
83 function zoomGraphY(minValue, maxValue) {
84 g.updateOptions({
85 valueRange: [minValue, maxValue]
86 });
87 showYDimensions(g.yAxisRanges());
88 }
89
90 function unzoomGraph() {
91 g.updateOptions({
92 dateWindow: null,
93 valueRange: null
94 });
95 }
96 </script>
97
98 </body>
99 </html>