include/lib/jqplot/plugins/jqplot.dragable.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/**
 * 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.Dragable
     * Plugin to make plotted points dragable by the user.
     */
    $.jqplot.Dragable = function(options) {
        // Group: Properties
        this.markerRenderer = new $.jqplot.MarkerRenderer({shadow:false});
        this.shapeRenderer = new $.jqplot.ShapeRenderer();
        this.isDragging = false;
        this.isOver = false;
        this._ctx;
        this._elem;
        this._point;
        this._gridData;
        // prop: color
        // CSS color spec for the dragged point (and adjacent line segment or bar).
        this.color;
        // prop: constrainTo
        // Constrain dragging motion to an axis or to none.
        // Allowable values are 'none', 'x', 'y'
        this.constrainTo = 'none';  // 'x', 'y', or 'none';
        $.extend(true, this, options);
    };
    
    function DragCanvas() {
        $.jqplot.GenericCanvas.call(this);
        this.isDragging = false;
        this.isOver = false;