libs/jqplot/jqplot.axisLabelRenderer.js

/**
 * jqPlot
 * Pure JavaScript plotting plugin using jQuery
 *
 * Version: @VERSION
 * Revision: @REVISION
 *
 * Copyright (c) 2009-2013 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.AxisLabelRenderer
    // Renderer to place labels on the axes.
    $.jqplot.AxisLabelRenderer = function(options) {
        // Group: Properties
        $.jqplot.ElemContainer.call(this);
        // name of the axis associated with this tick
        this.axis;
        // prop: show
        // whether or not to show the tick (mark and label).
        this.show = true;
        // prop: label
        // The text or html for the label.
        this.label = '';
        this.fontFamily = null;
        this.fontSize = null;
        this.textColor = null;
        this._elem;
        // prop: escapeHTML
        // true to escape HTML entities in the label.
        this.escapeHTML = false;
        
        $.extend(true, this, options);
    };
    
    $.jqplot.AxisLabelRenderer.prototype = new $.jqplot.ElemContainer();
    $.jqplot.AxisLabelRenderer.prototype.constructor = $.jqplot.AxisLabelRenderer;
    
    $.jqplot.AxisLabelRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    $.jqplot.AxisLabelRenderer.prototype.draw = function(ctx, plot) {
        // Memory Leaks patch
        if (this._elem) {
            this._elem.emptyForce();
            this._elem = null;
        }

        this._elem = $('<div style="position:absolute;" class="jqplot-'+this.axis+'-label"></div>');
        
        if (Number(this.label)) {
            this._elem.css('white-space', 'nowrap');
        }
        
        if (!this.escapeHTML) {
            this._elem.html(this.label);
        }
        else {
            this._elem.text(this.label);
        }
        if (this.fontFamily) {
            this._elem.css('font-family', this.fontFamily);
        }
        if (this.fontSize) {
            this._elem.css('font-size', this.fontSize);
        }
        if (this.textColor) {
            this._elem.css('color', this.textColor);
        }
        
        return this._elem;
    };
    
    $.jqplot.AxisLabelRenderer.prototype.pack = function() {
    };
})(jQuery);