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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Flot Examples</title>
<link href="layout.css" rel="stylesheet" type="text/css">
<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../excanvas.min.js"></script><![endif]-->
<script language="javascript" type="text/javascript" src="../jquery.js"></script>
<script language="javascript" type="text/javascript" src="../jquery.flot.js"></script>
</head>
<body>
<h1>Flot Examples</h1>
<div id="placeholder" style="width:600px;height:300px"></div>
<p>One of the goals of Flot is to support user interactions. Try
pointing and clicking on the points.</p>
<p id="hoverdata">Mouse hovers at
(<span id="x">0</span>, <span id="y">0</span>). <span id="clickdata"></span></p>
<p>A tooltip is easy to build with a bit of jQuery code and the
data returned from the plot.</p>
<p><input id="enableTooltip" type="checkbox">Enable tooltip</p>
<script type="text/javascript">
$(function () {
var sin = [], cos = [];
for (var i = 0; i < 14; i += 0.5) {
sin.push([i, Math.sin(i)]);
cos.push([i, Math.cos(i)]);
}
var plot = $.plot($("#placeholder"),
[ { data: sin, label: "sin(x)"}, { data: cos, label: "cos(x)" } ], {
series: {
lines: { show: true },
points: { show: true }
},
grid: { hoverable: true, clickable: true },
yaxis: { min: -1.2, max: 1.2 }
});
function showTooltip(x, y, contents) {
$('<div id="tooltip">' + contents + '</div>').css( {
position: 'absolute',
display: 'none',
top: y + 5,
left: x + 5,
border: '1px solid #fdd',
padding: '2px',
'background-color': '#fee',
opacity: 0.80
}).appendTo("body").fadeIn(200);
}
var previousPoint = null;
$("#placeholder").bind("plothover", function (event, pos, item) {
$("#x").text(pos.x.toFixed(2));
$("#y").text(pos.y.toFixed(2));
if ($("#enableTooltip:checked").length > 0) {
if (item) {
if (previousPoint != item.dataIndex) {
previousPoint = item.dataIndex;
$("#tooltip").remove();
var x = item.datapoint[0].toFixed(2),
y = item.datapoint[1].toFixed(2);
showTooltip(item.pageX, item.pageY,
item.series.label + " of " + x + " = " + y);
}
}
else {
$("#tooltip").remove();
previousPoint = null;
}
}
});
$("#placeholder").bind("plotclick", function (event, pos, item) {
if (item) {
$("#clickdata").text("You clicked point " + item.dataIndex + " in " + item.series.label + ".");
plot.highlight(item.series, item.datapoint);
}
});
});
</script>
</body>
</html>
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