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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>callbacks</title>
<link rel="stylesheet" type="text/css" href="../dist/dygraph.css" />
<link rel="stylesheet" type="text/css" href="../common/vextlnk.css" />
<script type="text/javascript" src="../dist/dygraph.js"></script>
<script type="text/javascript" src="data.js"></script>
<style type="text/css">
#div_g {
position: absolute;
left: 200px;
top: 100px;
}
#status {
position: absolute;
top: 400px;
}
</style>
</head>
<body>
<p>Hover, click and zoom to test the callbacks:</p>
<div id="div_g" style="width:600px; height:300px;"></div>
<input type="button" value="Clear list" onclick="javascript:document.getElementById('status').innerHTML=''" />
<input type="checkbox" id="highlight" checked><label for="highlight"> Show 'highlight' events</label>
<input type="checkbox" id="unhighlight" checked><label for="unhighlight">Show 'unhighlight' events</label>
<input type="checkbox" id="showLabels" checked
onclick='g.updateOptions({showLabelsOnHighlight: this.checked});'>
<label for="showLabels"> Show Labels on highlight</label>
<div id="status" style="width:100%; height:200px;"></div>
<script type="text/javascript"><!--//--><![CDATA[//><!--
Dygraph.onDOMready(function onDOMready() {
s = document.getElementById("status");
g = null;
pts_info = function(e, x, pts, row) {
var str = "(" + x + ") ";
for (var i = 0; i < pts.length; i++) {
var p = pts[i];
if (i) str += ", ";
str += p.name + ": " + p.yval;
}
var x = e.offsetX;
var y = e.offsetY;
var dataXY = g.toDataCoords(x, y);
str += ", (" + x + ", " + y + ")";
str += " -> (" + dataXY[0] + ", " + dataXY[1] + ")";
str += ", row #"+row;
return str;
};
g = new Dygraph(
document.getElementById("div_g"),
NoisyData, {
rollPeriod: 7,
showRoller: true,
errorBars: true,
highlightCallback: function(e, x, pts, row) {
if (document.getElementById('highlight').checked) {
s.innerHTML += "<b>Highlight</b> " + pts_info(e,x,pts,row) + "<br />";
}
},
unhighlightCallback: function(e) {
if (document.getElementById('unhighlight').checked) {
s.innerHTML += "<b>Unhighlight</b><br />";
}
},
clickCallback: function(e, x, pts) {
s.innerHTML += "<b>Click</b> " + pts_info(e,x,pts) + "<br />";
},
pointClickCallback: function(e, p) {
s.innerHTML += "<b>Point Click</b> " + p.name + ": " + p.x + "<br />";
},
zoomCallback: function(minX, maxX, yRanges) {
s.innerHTML += "<b>Zoom</b> [" + minX + ", " + maxX + ", [" + yRanges + "]]<br />";
},
drawCallback: function(g) {
s.innerHTML += "<b>Draw</b> [" + g.xAxisRange() + "]<br />";
}
}
);
});
//--><!]]></script>
</body>
</html>
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