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authorIgor Sfiligoi <isfiligoi@ucsd.edu>2011-03-22 07:30:12 -0400
committerIgor Sfiligoi <isfiligoi@ucsd.edu>2011-03-22 07:30:12 -0400
commitcb2e3d2743c0f88b430f14b7a396aa1a583dc978 (patch)
treea01293736eef098deff6d1cc832dcba0731ebb3e /examples/interacting-axes.html
parentaf26aaa53d073a7b2d25caee93e1cb5ceb2e099c (diff)
flot-0.7
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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>With multiple axes, you sometimes need to interact with them. A
+ simple way to do this is to draw the plot, deduce the axis
+ placements and insert a couple of divs on top to catch events.
+ Try clicking an axis.</p>
+
+ <p id="click"></p>
+
+<script type="text/javascript">
+$(function () {
+ function generate(start, end, fn) {
+ var res = [];
+ for (var i = 0; i <= 100; ++i) {
+ var x = start + i / 100 * (end - start);
+ res.push([x, fn(x)]);
+ }
+ return res;
+ }
+
+ var data = [
+ { data: generate(0, 10, function (x) { return Math.sqrt(x)}), xaxis: 1, yaxis:1 },
+ { data: generate(0, 10, function (x) { return Math.sin(x)}), xaxis: 1, yaxis:2 },
+ { data: generate(0, 10, function (x) { return Math.cos(x)}), xaxis: 1, yaxis:3 },
+ { data: generate(2, 10, function (x) { return Math.tan(x)}), xaxis: 2, yaxis: 4 }
+ ];
+
+ var plot = $.plot($("#placeholder"),
+ data,
+ {
+ xaxes: [
+ { position: 'bottom' },
+ { position: 'top'}
+ ],
+ yaxes: [
+ { position: 'left' },
+ { position: 'left' },
+ { position: 'right' },
+ { position: 'left' }
+ ]
+ });
+
+ // now for each axis, create a div
+
+ function getBoundingBoxForAxis(plot, axis) {
+ var left = axis.box.left, top = axis.box.top,
+ right = left + axis.box.width, bottom = top + axis.box.height;
+
+ // some ticks may stick out, enlarge the box to encompass all ticks
+ var cls = axis.direction + axis.n + 'Axis';
+ plot.getPlaceholder().find('.' + cls + ' .tickLabel').each(function () {
+ var pos = $(this).position();
+ left = Math.min(pos.left, left);
+ top = Math.min(pos.top, top);
+ right = Math.max(Math.round(pos.left) + $(this).outerWidth(), right);
+ bottom = Math.max(Math.round(pos.top) + $(this).outerHeight(), bottom);
+ });
+
+ return { left: left, top: top, width: right - left, height: bottom - top };
+ }
+
+ $.each(plot.getAxes(), function (i, axis) {
+ if (!axis.show)
+ return;
+
+ var box = getBoundingBoxForAxis(plot, axis);
+
+ $('<div class="axisTarget" style="position:absolute;left:' + box.left + 'px;top:' + box.top + 'px;width:' + box.width + 'px;height:' + box.height + 'px"></div>')
+ .data('axis.direction', axis.direction)
+ .data('axis.n', axis.n)
+ .css({ backgroundColor: "#f00", opacity: 0, cursor: "pointer" })
+ .appendTo(plot.getPlaceholder())
+ .hover(
+ function () { $(this).css({ opacity: 0.10 }) },
+ function () { $(this).css({ opacity: 0 }) }
+ )
+ .click(function () {
+ $("#click").text("You clicked the " + axis.direction + axis.n + "axis!")
+ });
+ });
+});
+</script>
+ </body>
+</html>