libs/jqplot/jqplot.divTitleRenderer.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.DivTitleRenderer
    // The default title renderer for jqPlot.  This class has no options beyond the <Title> class. 
    $.jqplot.DivTitleRenderer = function() {
    };
    
    $.jqplot.DivTitleRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    $.jqplot.DivTitleRenderer.prototype.draw = function() {
        // Memory Leaks patch
        if (this._elem) {
            this._elem.emptyForce();
            this._elem = null;
        }

        var r = this.renderer;
        var elem = document.createElement('div');
        this._elem = $(elem);
        this._elem.addClass('jqplot-title');

        if (!this.text) {
            this.show = false;
            this._elem.height(0);
            this._elem.width(0);
        }
        else if (this.text) {
            var color;
            if (this.color) {
                color = this.color;
            }
            else if (this.textColor) {
                color = this.textColor;
            }

            // don't trust that a stylesheet is present, set the position.
            var styles = {position:'absolute', top:'0px', left:'0px'};

            if (this._plotWidth) {
                styles['width'] = this._plotWidth+'px';
            }
            if (this.fontSize) {
                styles['fontSize'] = this.fontSize;
            }
            if (typeof this.textAlign === 'string') {
                styles['textAlign'] = this.textAlign;
            }
            else {
                styles['textAlign'] = 'center';
            }
            if (color) {
                styles['color'] = color;
            }
            if (this.paddingBottom) {
                styles['paddingBottom'] = this.paddingBottom;
            }
            if (this.fontFamily) {
                styles['fontFamily'] = this.fontFamily;
            }

            this._elem.css(styles);
            if (this.escapeHtml) {
                this._elem.text(this.text);
            }
            else {
                this._elem.html(this.text);
            }


            // styletext += (this._plotWidth) ? 'width:'+this._plotWidth+'px;' : '';
            // styletext += (this.fontSize) ? 'font-size:'+this.fontSize+';' : '';
            // styletext += (this.textAlign) ? 'text-align:'+this.textAlign+';' : 'text-align:center;';
            // styletext += (color) ? 'color:'+color+';' : '';
            // styletext += (this.paddingBottom) ? 'padding-bottom:'+this.paddingBottom+';' : '';
            // this._elem = $('<div class="jqplot-title" style="'+styletext+'">'+this.text+'</div>');
            // if (this.fontFamily) {
            //     this._elem.css('font-family', this.fontFamily);
            // }
        }

        elem = null;
        
        return this._elem;
    };
    
    $.jqplot.DivTitleRenderer.prototype.pack = function() {
        // nothing to do here
    };
})(jQuery);