BN089-BS开发框架MVC4版/source20131023/Zephyr.Web/Content/js/uploader/fileuploader.js

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/**
 * http://github.com/Valums-File-Uploader/file-uploader
 *
 * Multiple file upload component with progress-bar, drag-and-drop.
 *
 * Have ideas for improving this JS for the general community?
 * Submit your changes at: https://github.com/Valums-File-Uploader/file-uploader
 * Readme at https://github.com/valums/file-uploader/blob/2.1.2/readme.md
 *
 * VERSION 2.1.2
 * Original version: 1.0 © 2010 Andrew Valums ( andrew(at)valums.com )
 * Current Maintainer (2.0+): © 2012, Ray Nicholus ( fineuploader(at)garstasio.com )
 *
 * Licensed under MIT license, GNU GPL 2 or later, GNU LGPL 2 or later, see license.txt.
 */

//
// Helper functions
//

var qq = qq || {};

/**
 * Adds all missing properties from second obj to first obj
 */
qq.extend = function(first, second){
    for (var prop in second){
        first[prop] = second[prop];
    }
};

/**
 * Searches for a given element in the array, returns -1 if it is not present.
 * @param {Number} [from] The index at which to begin the search
 */
qq.indexOf = function(arr, elt, from){
    if (arr.indexOf) return arr.indexOf(elt, from);

    from = from || 0;
    var len = arr.length;

    if (from < 0) from += len;

    for (; from < len; from++){
        if (from in arr && arr[from] === elt){
            return from;
        }
    }
    return -1;
};

qq.getUniqueId = (function(){
    var id = 0;
    return function(){ return id++; };
})();

//
// Browsers and platforms detection

qq.ie       = function(){ return navigator.userAgent.indexOf('MSIE') != -1; }