source: Dev/trunk/RGraph/docs/adjusting_bar.html @ 77

Last change on this file since 77 was 77, checked in by fpvanagthoven, 14 years ago

RGraph
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[77]1<?php ob_start('ob_gzhandler') ?>
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21    <title>RGraph: Javascript charts and graph library - Adjusting your charts interactively - bar chart</title>
22   
23    <meta name="keywords" content="rgraph html5 canvas charts adjusting docs " />
24    <meta name="description" content="RGraph: Javascript charts and graph library - Documentation about adjusting your charts - bar chart" />
25   
26    <meta property="og:title" content="RGraph: Javascript charts and graph library" />
27    <meta property="og:description" content="A charts library based on the HTML5 canvas tag" />
28    <meta property="og:image" content="http://www.rgraph.net/images/logo.png"/>
29
30    <link rel="stylesheet" href="../css/website.css" type="text/css" media="screen" />
31    <link rel="icon" type="image/png" href="../images/favicon.png">
32   
33    <script src="../libraries/RGraph.common.core.js" ></script>
34    <script src="../libraries/RGraph.common.adjusting.js" ></script>
35    <script src="../libraries/RGraph.bar.js" ></script>
36    <!--[if IE 8]><script src="../excanvas/excanvas.original.js"></script><![endif]-->
37
38    <script>
39        window.onload = function (e)
40        {
41            var bar = new RGraph.Bar('myCanvas', [512,653,512,533,674,453,458,741,496]);
42            bar.Set('chart.colors', ['blue', 'pink']);
43            bar.Set('chart.labels.above', true);
44            bar.Set('chart.shadow', true);
45            bar.Set('chart.shadow.color', '#aaa');
46            bar.Set('chart.strokestyle', 'rgba(0,0,0,0)');
47            bar.Set('chart.adjustable', true);
48            bar.Set('chart.labels', ['2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008']);
49            bar.Set('chart.gutter.left', 45);
50            bar.Set('chart.title', 'An adjustable bar chart');
51            bar.Draw();
52           
53            function myFunc (obj)
54            {
55                var conf = RGraph.Registry.Get('chart.adjusting.bar.myCanvas');
56               
57                p(conf);
58            }
59            RGraph.AddCustomEventListener(bar, 'onadjustend', myFunc);
60        }
61    </script>
62
63
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76
77<body>
78
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85
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92    <!-- Social networking buttons -->
93
94    <div id="breadcrumb">
95        <a href="../index.html">RGraph: Javascript charts and graph library</a>
96        >
97        <a href="index.html">Documentation</a>
98        >
99        <a href="adjusting.html">Adjusting charts interactively</a>
100        >
101        Bar chart
102    </div>
103
104    <h1>RGraph: <span>Javascript charts and graph library</span> - Adjusting your charts interactively - Bar chart</h1>
105
106    <script>
107        if (RGraph.isIE8()) {
108            document.write('<div style="background-color: #fee; border: 2px dashed red; padding: 5px"><b>Important</b><br /><br /> Internet Explorer 8 does not natively support the HTML5 canvas tag, so if you want to see the charts, you can either:<ul><li>Install <a href="http://code.google.com/chrome/chromeframe/">Google Chrome Frame</a></li><li>Use ExCanvas. This is provided in the RGraph Archive.</li><li>Use another browser entirely. Your choices are Firefox 3.5+, Chrome 2+, Safari 4+ or Opera 10.5+. </li></ul> <b>Note:</b> Internet Explorer 9 fully supports the canvas tag. Click <a href="http://support.rgraph.net/message/rgraph-in-internet-explorer-9.html" target="_blank">here</a> to see some screenshots.</div>');
109        }
110    </script>
111   
112    <p>
113        The Bar chart can be adjusted by clicking on the chart, in line with the bar that you want to adjust.When adjusting is finished
114        the <i>onadjustend</i> event fires. As you will see in the example you can find the index of the relevant bar in the RGraph registry -
115        <i>RGraph.Registry.Get('chart.adjusting.bar.myCanvas')</i> (replace <i>myCanvas</i> with the ID of your canvas).
116    </p>
117    <canvas id="myCanvas" width="1000" height="250">[No canvas support]</canvas>
118
119    <pre class="code">
120&lt;script&gt;
121    window.onload = function (e)
122    {
123        var bar = new RGraph.Bar('myCanvas', [512,653,512,533,674,453,458,741,496]);
124        bar.Set('chart.colors', ['blue', 'pink']);
125        bar.Set('chart.labels.above', true);
126        bar.Set('chart.shadow', true);
127        bar.Set('chart.shadow.color', '#aaa');
128        bar.Set('chart.strokestyle', 'rgba(0,0,0,0)');
129        bar.Set('chart.adjustable', true);
130        bar.Set('chart.labels', ['2000', '2001', '2002', '2003', '2004', '2005', '2006', '2007', '2008']);
131        bar.Draw();
132       
133        function myFunc (obj)
134        {
135            var conf = RGraph.Registry.Get('chart.adjusting.bar.myCanvas');
136           
137            p(conf);
138        }
139        RGraph.AddCustomEventListener(bar, 'onadjustend', myFunc);
140    }
141&lt;/script&gt;
142</pre>
143
144</body>
145</html>
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