- Stop charts with no visible plots from crashing.
[dygraphs.git] / tests / zoom.html
CommitLineData
8b83c6cc
RK
1<html>
2 <head>
937029df 3 <title>zoom</title>
8b83c6cc 4 <!--[if IE]>
e1fb3740 5 <script type="text/javascript" src="../excanvas.js"></script>
8b83c6cc
RK
6 <![endif]-->
7 <script type="text/javascript" src="../strftime/strftime-min.js"></script>
8 <script type="text/javascript" src="../rgbcolor/rgbcolor.js"></script>
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 </head>
13 <body>
437c0979 14 <h3>Click the buttons to change the zoom level or just use the normal
447254de 15 click-and drag. While zoom typically works by click-and-drag, the
c65f2303 16 buttons are useful for testing.</h3>
8b83c6cc 17 <h4>Window coordinates (in dates and values):</h4>
c65f2303 18 <div id="xdimensions"></div> <div id="ydimensions"></div>
45f2c689
NN
19 <div style="float: right">
20 <p>Zoomed: <span id="zoomed">False</span><p/>
21 <p>Zoomed X: <span id="zoomedX">False</span><p/>
22 <p>Zoomed Y: <span id="zoomedY">False</span><p/>
23 </div>
8b83c6cc
RK
24 <div id="div_g" style="width:600px; height:300px;"></div>
25
45f2c689 26
8b83c6cc
RK
27 <p><b>Zoom operations:</b></p>
28 <p>
437c0979
RK
29 <input type="button" value="Y (3,5)" onclick="zoomGraphY(3,5)">&nbsp;
30 <input type="button" value="Y (0,4)" onclick="zoomGraphY(0,4)">&nbsp;
31 <input type="button" value="Y (2,4)" onclick="zoomGraphY(2,4)">&nbsp;
32 <input type="button" value="Y (0,2)" onclick="zoomGraphY(0,2)">&nbsp;
937029df 33 <input type="button" value="Y (0,1)" onclick="zoomGraphY(0,1)">&nbsp;
437c0979
RK
34 <br>
35 <input type="button" value="Oct 8-13" onclick="zoomGraphX(1160261979962, 1163905694248)">&nbsp;
36 <input type="button" value="Oct 22-28" onclick="zoomGraphX(1161489164461 , 1162008465957)">&nbsp;
37 <input type="button" value="Oct 23-24" onclick="zoomGraphX(1161575878860, 1161660991675)">&nbsp;
38 <input type="button" value="Oct 26 6AM-noon" onclick="zoomGraphX(1161770537840, 1161792063332)">&nbsp;
39 <br>
40 <input type="button" value="Unzoom" onclick="unzoomGraph()">&nbsp;
8b83c6cc
RK
41 </p>
42
43
44 <script type="text/javascript">
45 g = new Dygraph(
46 document.getElementById("div_g"),
47 NoisyData, {
a6cc9f3e 48 errorBars: true,
f0f2aef6
RK
49 zoomCallback : function(minDate, maxDate, yRange) {
50 showDimensions(minDate, maxDate, yRange);
45f2c689
NN
51 },
52 drawCallback: function(me, initial) {
57baab03
NN
53 document.getElementById("zoomed").innerHTML = "" + me.isZoomed();
54 document.getElementById("zoomedX").innerHTML = "" + me.isZoomed("x");
55 document.getElementById("zoomedY").innerHTML = "" + me.isZoomed("y");
45f2c689 56 }
8b83c6cc
RK
57 }
58 );
59
60 // TODO(konigsberg): Implement a visualization that verifies that initial
61 // displays also show correctly.
62
63 // Pull an initial value for logging.
64 var minDate = g.xAxisRange()[0];
65 var maxDate = g.xAxisRange()[1];
66 var minValue = g.yAxisRange()[0];
67 var maxValue = g.yAxisRange()[1];
dea5c743 68 showDimensions(minDate, maxDate, [minValue, maxValue]);
8b83c6cc 69
dea5c743 70 function showDimensions(minDate, maxDate, yRanges) {
90b15133 71 showXDimensions(minDate, maxDate);
885c13e4 72 showYDimensions(yRanges);
c65f2303
RK
73 }
74
75 function showXDimensions(first, second) {
76 var elem = document.getElementById("xdimensions");
77 elem.innerHTML = "dateWindow : [" + first + ", "+ second + "]";
78 }
79
5f3b823b 80 function showYDimensions(ranges) {
c65f2303 81 var elem = document.getElementById("ydimensions");
5f3b823b 82 elem.innerHTML = "valueRange : [" + ranges + "]";
8b83c6cc
RK
83 }
84
437c0979 85 function zoomGraphX(minDate, maxDate) {
c65f2303
RK
86 g.updateOptions({
87 dateWindow: [minDate, maxDate]
88 });
90b15133 89 showXDimensions(minDate, maxDate);
437c0979
RK
90 }
91
92 function zoomGraphY(minValue, maxValue) {
c65f2303
RK
93 g.updateOptions({
94 valueRange: [minValue, maxValue]
95 });
f99d913c 96 showYDimensions(g.yAxisRanges());
437c0979
RK
97 }
98
99 function unzoomGraph() {
c65f2303 100 g.updateOptions({
eeab5025
RK
101 dateWindow: null,
102 valueRange: null
c65f2303 103 });
8b83c6cc
RK
104 }
105 </script>
106
107 </body>
108</html>