include/lib/jqplot/plugins/jqplot.blockRenderer.js

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/**
 * jqPlot
 * Pure JavaScript plotting plugin using jQuery
 *
 * Version: 1.0.3
 * Revision: 1117
 *
 * Copyright (c) 2009-2012 Chris Leonello
 * jqPlot is currently available for use in all personal or commercial projects 
 * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL 
 * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can 
 * choose the license that best suits your project and use it accordingly. 
 *
 * Although not required, the author would appreciate an email letting him 
 * know of any substantial use of jqPlot.  You can reach the author at: 
 * chris at jqplot dot com or see http://www.jqplot.com/info.php .
 *
 * If you are feeling kind and generous, consider supporting the project by
 * making a donation at: http://www.jqplot.com/donate.php .
 *
 * sprintf functions contained in jqplot.sprintf.js by Ash Searle:
 *
 *     version 2007.04.27
 *     author Ash Searle
 *     http://hexmen.com/blog/2007/03/printf-sprintf/
 *     http://hexmen.com/js/sprintf.js
 *     The author (Ash Searle) has placed this code in the public domain:
 *     "This code is unrestricted: you are free to use it however you like."
 * 
 */
(function($) {
    /**
     * Class: $.jqplot.BlockRenderer
     * Plugin renderer to draw a x-y block chart.  A Block chart has data points displayed as
     * colored squares with a text label inside.  Data must be supplied in the form:
     * 
     * > [[x1, y1, "label 1", {css}], [x2, y2, "label 2", {css}], ...]
     * 
     * The label and css object are optional.  If the label is ommitted, the
     * box will collapse unless a css height and/or width is specified.
     * 
     * The css object is an object specifying css properties 
     * such as:
     * 
     * > {background:'#4f98a5', border:'3px solid gray', padding:'1px'}
     * 
     * Note that css properties specified with the data point override defaults
     * specified with the series.
     * 
     */
    $.jqplot.BlockRenderer = function(){
        $.jqplot.LineRenderer.call(this);
    };
    
    $.jqplot.BlockRenderer.prototype = new $.jqplot.LineRenderer();
    $.jqplot.BlockRenderer.prototype.constructor = $.jqplot.BlockRenderer;
    
    // called with scope of a series
    $.jqplot.BlockRenderer.prototype.init = function(options) {
        // Group: Properties
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