2125 lines
69 KiB
JavaScript
2125 lines
69 KiB
JavaScript
/**
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* http://github.com/Valums-File-Uploader/file-uploader
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*
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* Multiple file upload component with progress-bar, drag-and-drop, support for all modern browsers.
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*
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* Original version: 1.0 © 2010 Andrew Valums ( andrew(at)valums.com )
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* Current Maintainer (2.0+): © 2012, Ray Nicholus ( fineuploader(at)garstasio.com )
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*
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* Licensed under MIT license, GNU GPL 2 or later, GNU LGPL 2 or later, see license.txt.
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*/
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var qq = qq || {};
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var qq = function(element) {
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"use strict";
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return {
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hide: function() {
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element.style.display = 'none';
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return this;
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},
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/** Returns the function which detaches attached event */
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attach: function(type, fn) {
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if (element.addEventListener){
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element.addEventListener(type, fn, false);
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} else if (element.attachEvent){
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element.attachEvent('on' + type, fn);
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}
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return function() {
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qq(element).detach(type, fn);
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};
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},
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detach: function(type, fn) {
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if (element.removeEventListener){
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element.removeEventListener(type, fn, false);
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} else if (element.attachEvent){
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element.detachEvent('on' + type, fn);
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}
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return this;
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},
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contains: function(descendant) {
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// compareposition returns false in this case
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if (element == descendant) {
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return true;
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}
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if (element.contains){
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return element.contains(descendant);
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} else {
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return !!(descendant.compareDocumentPosition(element) & 8);
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}
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},
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/**
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* Insert this element before elementB.
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*/
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insertBefore: function(elementB) {
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elementB.parentNode.insertBefore(element, elementB);
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return this;
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},
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remove: function() {
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element.parentNode.removeChild(element);
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return this;
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},
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/**
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* Sets styles for an element.
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* Fixes opacity in IE6-8.
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*/
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css: function(styles) {
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if (styles.opacity != null){
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if (typeof element.style.opacity != 'string' && typeof(element.filters) != 'undefined'){
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styles.filter = 'alpha(opacity=' + Math.round(100 * styles.opacity) + ')';
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}
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}
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qq.extend(element.style, styles);
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return this;
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},
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hasClass: function(name) {
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var re = new RegExp('(^| )' + name + '( |$)');
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return re.test(element.className);
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},
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addClass: function(name) {
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if (!qq(element).hasClass(name)){
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element.className += ' ' + name;
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}
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return this;
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},
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removeClass: function(name) {
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var re = new RegExp('(^| )' + name + '( |$)');
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element.className = element.className.replace(re, ' ').replace(/^\s+|\s+$/g, "");
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return this;
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},
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getByClass: function(className) {
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if (element.querySelectorAll){
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return element.querySelectorAll('.' + className);
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}
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var result = [];
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var candidates = element.getElementsByTagName("*");
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var len = candidates.length;
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for (var i = 0; i < len; i++){
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if (qq(candidates[i]).hasClass(className)){
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result.push(candidates[i]);
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}
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}
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return result;
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},
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children: function() {
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var children = [],
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child = element.firstChild;
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while (child){
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if (child.nodeType == 1){
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children.push(child);
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}
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child = child.nextSibling;
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}
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return children;
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},
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setText: function(text) {
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element.innerText = text;
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element.textContent = text;
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return this;
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},
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clearText: function() {
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return qq(element).setText("");
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}
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};
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};
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qq.log = function(message, level) {
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if (window.console) {
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if (!level || level === 'info') {
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window.console.log(message);
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}
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else
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{
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if (window.console[level]) {
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window.console[level](message);
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}
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else {
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window.console.log('<' + level + '> ' + message);
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}
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}
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}
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};
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qq.isObject = function(variable) {
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"use strict";
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return variable !== null && variable && typeof(variable) === "object" && variable.constructor === Object;
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};
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qq.extend = function (first, second, extendNested) {
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"use strict";
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var prop;
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for (prop in second) {
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if (second.hasOwnProperty(prop)) {
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if (extendNested && qq.isObject(second[prop])) {
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if (first[prop] === undefined) {
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first[prop] = {};
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}
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qq.extend(first[prop], second[prop], true);
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}
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else {
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first[prop] = second[prop];
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}
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}
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}
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};
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/**
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* Searches for a given element in the array, returns -1 if it is not present.
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* @param {Number} [from] The index at which to begin the search
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*/
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qq.indexOf = function(arr, elt, from){
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if (arr.indexOf) return arr.indexOf(elt, from);
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from = from || 0;
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var len = arr.length;
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if (from < 0) from += len;
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for (; from < len; from++){
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if (from in arr && arr[from] === elt){
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return from;
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}
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}
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return -1;
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};
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qq.getUniqueId = (function(){
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var id = 0;
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return function(){ return id++; };
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})();
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//
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// Browsers and platforms detection
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qq.ie = function(){ return navigator.userAgent.indexOf('MSIE') != -1; }
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qq.ie10 = function(){ return navigator.userAgent.indexOf('MSIE 10') != -1; }
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qq.safari = function(){ return navigator.vendor != undefined && navigator.vendor.indexOf("Apple") != -1; }
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qq.chrome = function(){ return navigator.vendor != undefined && navigator.vendor.indexOf('Google') != -1; }
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qq.firefox = function(){ return (navigator.userAgent.indexOf('Mozilla') != -1 && navigator.vendor != undefined && navigator.vendor == ''); }
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qq.windows = function(){ return navigator.platform == "Win32"; }
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//
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// Events
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qq.preventDefault = function(e){
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if (e.preventDefault){
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e.preventDefault();
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} else{
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e.returnValue = false;
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}
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};
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/**
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* Creates and returns element from html string
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* Uses innerHTML to create an element
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*/
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qq.toElement = (function(){
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var div = document.createElement('div');
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return function(html){
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div.innerHTML = html;
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var element = div.firstChild;
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div.removeChild(element);
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return element;
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};
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})();
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/**
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* obj2url() takes a json-object as argument and generates
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* a querystring. pretty much like jQuery.param()
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*
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* how to use:
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*
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* `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');`
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*
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* will result in:
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*
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* `http://any.url/upload?otherParam=value&a=b&c=d`
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*
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* @param Object JSON-Object
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* @param String current querystring-part
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* @return String encoded querystring
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*/
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qq.obj2url = function(obj, temp, prefixDone){
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var uristrings = [],
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prefix = '&',
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add = function(nextObj, i){
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var nextTemp = temp
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? (/\[\]$/.test(temp)) // prevent double-encoding
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? temp
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: temp+'['+i+']'
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: i;
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if ((nextTemp != 'undefined') && (i != 'undefined')) {
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uristrings.push(
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(typeof nextObj === 'object')
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? qq.obj2url(nextObj, nextTemp, true)
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: (Object.prototype.toString.call(nextObj) === '[object Function]')
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? encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj())
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: encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj)
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);
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}
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};
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if (!prefixDone && temp) {
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prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? '' : '&' : '?';
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uristrings.push(temp);
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uristrings.push(qq.obj2url(obj));
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} else if ((Object.prototype.toString.call(obj) === '[object Array]') && (typeof obj != 'undefined') ) {
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// we wont use a for-in-loop on an array (performance)
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for (var i = 0, len = obj.length; i < len; ++i){
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add(obj[i], i);
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}
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} else if ((typeof obj != 'undefined') && (obj !== null) && (typeof obj === "object")){
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// for anything else but a scalar, we will use for-in-loop
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for (var i in obj){
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add(obj[i], i);
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}
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} else {
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uristrings.push(encodeURIComponent(temp) + '=' + encodeURIComponent(obj));
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}
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if (temp) {
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return uristrings.join(prefix);
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} else {
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return uristrings.join(prefix)
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.replace(/^&/, '')
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.replace(/%20/g, '+');
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}
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};
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/**
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* A generic module which supports object disposing in dispose() method.
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* */
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qq.DisposeSupport = {
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_disposers: [],
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/** Run all registered disposers */
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dispose: function() {
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var disposer;
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while (disposer = this._disposers.shift()) {
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disposer();
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}
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},
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/** Add disposer to the collection */
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addDisposer: function(disposeFunction) {
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this._disposers.push(disposeFunction);
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},
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/** Attach event handler and register de-attacher as a disposer */
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_attach: function() {
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this.addDisposer(qq(arguments[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1)));
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}
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};
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qq.UploadButton = function(o){
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this._options = {
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element: null,
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// if set to true adds multiple attribute to file input
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multiple: false,
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acceptFiles: null,
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// name attribute of file input
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name: 'file',
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onChange: function(input){},
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hoverClass: 'qq-upload-button-hover',
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focusClass: 'qq-upload-button-focus'
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};
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qq.extend(this._options, o);
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qq.extend(this, qq.DisposeSupport);
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this._element = this._options.element;
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// make button suitable container for input
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qq(this._element).css({
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position: 'relative',
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overflow: 'hidden',
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// Make sure browse button is in the right side
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// in Internet Explorer
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direction: 'ltr'
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});
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this._input = this._createInput();
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};
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qq.UploadButton.prototype = {
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/* returns file input element */
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getInput: function(){
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return this._input;
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},
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/* cleans/recreates the file input */
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reset: function(){
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if (this._input.parentNode){
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qq(this._input).remove();
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}
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qq(this._element).removeClass(this._options.focusClass);
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this._input = this._createInput();
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},
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_createInput: function(){
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var input = document.createElement("input");
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if (this._options.multiple){
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input.setAttribute("multiple", "multiple");
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}
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if (this._options.acceptFiles) input.setAttribute("accept", this._options.acceptFiles);
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input.setAttribute("type", "file");
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input.setAttribute("name", this._options.name);
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qq(input).css({
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position: 'absolute',
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// in Opera only 'browse' button
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// is clickable and it is located at
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// the right side of the input
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right: 0,
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top: 0,
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fontFamily: 'Arial',
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// 4 persons reported this, the max values that worked for them were 243, 236, 236, 118
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fontSize: '118px',
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margin: 0,
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padding: 0,
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cursor: 'pointer',
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opacity: 0
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});
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this._element.appendChild(input);
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var self = this;
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this._attach(input, 'change', function(){
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self._options.onChange(input);
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});
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this._attach(input, 'mouseover', function(){
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qq(self._element).addClass(self._options.hoverClass);
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});
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this._attach(input, 'mouseout', function(){
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qq(self._element).removeClass(self._options.hoverClass);
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});
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this._attach(input, 'focus', function(){
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qq(self._element).addClass(self._options.focusClass);
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});
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this._attach(input, 'blur', function(){
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qq(self._element).removeClass(self._options.focusClass);
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});
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// IE and Opera, unfortunately have 2 tab stops on file input
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// which is unacceptable in our case, disable keyboard access
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if (window.attachEvent){
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// it is IE or Opera
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input.setAttribute('tabIndex', "-1");
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}
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return input;
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}
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};
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qq.FineUploaderBasic = function(o){
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var that = this;
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this._options = {
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debug: false,
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button: null,
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multiple: true,
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maxConnections: 3,
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disableCancelForFormUploads: false,
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autoUpload: true,
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request: {
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endpoint: '/server/upload',
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params: {},
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customHeaders: {},
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forceMultipart: false,
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inputName: 'qqfile'
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},
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validation: {
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allowedExtensions: [],
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sizeLimit: 0,
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minSizeLimit: 0,
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stopOnFirstInvalidFile: true
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},
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callbacks: {
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onSubmit: function(id, fileName){}, // return false to cancel submit
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onComplete: function(id, fileName, responseJSON){},
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onCancel: function(id, fileName){},
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onUpload: function(id, fileName, xhr){},
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onProgress: function(id, fileName, loaded, total){},
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onError: function(id, fileName, reason) {},
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onAutoRetry: function(id, fileName, attemptNumber) {},
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onManualRetry: function(id, fileName) {},
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onValidate: function(fileData) {} // return false to prevent upload
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},
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messages: {
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typeError: "{file} has an invalid extension. Valid extension(s): {extensions}.",
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sizeError: "{file} is too large, maximum file size is {sizeLimit}.",
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minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.",
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emptyError: "{file} is empty, please select files again without it.",
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noFilesError: "No files to upload.",
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onLeave: "The files are being uploaded, if you leave now the upload will be cancelled."
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},
|
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retry: {
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enableAuto: false,
|
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maxAutoAttempts: 3,
|
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autoAttemptDelay: 5,
|
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preventRetryResponseProperty: 'preventRetry'
|
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}
|
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};
|
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|
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qq.extend(this._options, o, true);
|
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this._wrapCallbacks();
|
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qq.extend(this, qq.DisposeSupport);
|
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|
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// number of files being uploaded
|
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this._filesInProgress = 0;
|
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|
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this._storedFileIds = [];
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|
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this._autoRetries = [];
|
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this._retryTimeouts = [];
|
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this._preventRetries = [];
|
|
|
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this._handler = this._createUploadHandler();
|
|
|
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if (this._options.button){
|
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this._button = this._createUploadButton(this._options.button);
|
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}
|
|
|
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this._preventLeaveInProgress();
|
|
};
|
|
|
|
qq.FineUploaderBasic.prototype = {
|
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log: function(str, level) {
|
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if (this._options.debug && (!level || level === 'info')) {
|
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qq.log('[FineUploader] ' + str);
|
|
}
|
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else if (level && level !== 'info') {
|
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qq.log('[FineUploader] ' + str, level);
|
|
|
|
}
|
|
},
|
|
setParams: function(params){
|
|
this._options.request.params = params;
|
|
},
|
|
getInProgress: function(){
|
|
return this._filesInProgress;
|
|
},
|
|
uploadStoredFiles: function(){
|
|
"use strict";
|
|
while(this._storedFileIds.length) {
|
|
this._filesInProgress++;
|
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this._handler.upload(this._storedFileIds.shift(), this._options.request.params);
|
|
}
|
|
},
|
|
clearStoredFiles: function(){
|
|
this._storedFileIds = [];
|
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},
|
|
retry: function(id) {
|
|
if (this._onBeforeManualRetry(id)) {
|
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this._handler.retry(id);
|
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return true;
|
|
}
|
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else {
|
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return false;
|
|
}
|
|
},
|
|
cancel: function(fileId) {
|
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this._handler.cancel(fileId);
|
|
},
|
|
reset: function() {
|
|
this.log("Resetting uploader...");
|
|
this._handler.reset();
|
|
this._filesInProgress = 0;
|
|
this._storedFileIds = [];
|
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this._autoRetries = [];
|
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this._retryTimeouts = [];
|
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this._preventRetries = [];
|
|
this._button.reset();
|
|
},
|
|
_createUploadButton: function(element){
|
|
var self = this;
|
|
|
|
var button = new qq.UploadButton({
|
|
element: element,
|
|
multiple: this._options.multiple && qq.UploadHandlerXhr.isSupported(),
|
|
acceptFiles: this._options.validation.acceptFiles,
|
|
onChange: function(input){
|
|
self._onInputChange(input);
|
|
}
|
|
});
|
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|
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this.addDisposer(function() { button.dispose(); });
|
|
return button;
|
|
},
|
|
_createUploadHandler: function(){
|
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var self = this,
|
|
handlerClass;
|
|
|
|
if(qq.UploadHandlerXhr.isSupported()){
|
|
handlerClass = 'UploadHandlerXhr';
|
|
} else {
|
|
handlerClass = 'UploadHandlerForm';
|
|
}
|
|
|
|
var handler = new qq[handlerClass]({
|
|
debug: this._options.debug,
|
|
endpoint: this._options.request.endpoint,
|
|
forceMultipart: this._options.request.forceMultipart,
|
|
maxConnections: this._options.maxConnections,
|
|
customHeaders: this._options.request.customHeaders,
|
|
inputName: this._options.request.inputName,
|
|
demoMode: this._options.demoMode,
|
|
log: this.log,
|
|
onProgress: function(id, fileName, loaded, total){
|
|
self._onProgress(id, fileName, loaded, total);
|
|
self._options.callbacks.onProgress(id, fileName, loaded, total);
|
|
},
|
|
onComplete: function(id, fileName, result, xhr){
|
|
self._onComplete(id, fileName, result, xhr);
|
|
self._options.callbacks.onComplete(id, fileName, result);
|
|
},
|
|
onCancel: function(id, fileName){
|
|
self._onCancel(id, fileName);
|
|
self._options.callbacks.onCancel(id, fileName);
|
|
},
|
|
onUpload: function(id, fileName, xhr){
|
|
self._onUpload(id, fileName, xhr);
|
|
self._options.callbacks.onUpload(id, fileName, xhr);
|
|
},
|
|
onAutoRetry: function(id, fileName, responseJSON, xhr) {
|
|
self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty];
|
|
|
|
if (self._shouldAutoRetry(id, fileName, responseJSON)) {
|
|
self._maybeParseAndSendUploadError(id, fileName, responseJSON, xhr);
|
|
self._options.callbacks.onAutoRetry(id, fileName, self._autoRetries[id] + 1);
|
|
self._onBeforeAutoRetry(id, fileName);
|
|
|
|
self._retryTimeouts[id] = setTimeout(function() {
|
|
self._onAutoRetry(id, fileName, responseJSON)
|
|
}, self._options.retry.autoAttemptDelay * 1000);
|
|
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
});
|
|
|
|
return handler;
|
|
},
|
|
_preventLeaveInProgress: function(){
|
|
var self = this;
|
|
|
|
this._attach(window, 'beforeunload', function(e){
|
|
if (!self._filesInProgress){return;}
|
|
|
|
var e = e || window.event;
|
|
// for ie, ff
|
|
e.returnValue = self._options.messages.onLeave;
|
|
// for webkit
|
|
return self._options.messages.onLeave;
|
|
});
|
|
},
|
|
_onSubmit: function(id, fileName){
|
|
if (this._options.autoUpload) {
|
|
this._filesInProgress++;
|
|
}
|
|
},
|
|
_onProgress: function(id, fileName, loaded, total){
|
|
},
|
|
_onComplete: function(id, fileName, result, xhr){
|
|
this._filesInProgress--;
|
|
this._maybeParseAndSendUploadError(id, fileName, result, xhr);
|
|
},
|
|
_onCancel: function(id, fileName){
|
|
clearTimeout(this._retryTimeouts[id]);
|
|
|
|
var storedFileIndex = qq.indexOf(this._storedFileIds, id);
|
|
if (this._options.autoUpload || storedFileIndex < 0) {
|
|
this._filesInProgress--;
|
|
}
|
|
else if (!this._options.autoUpload) {
|
|
this._storedFileIds.splice(storedFileIndex, 1);
|
|
}
|
|
},
|
|
_onUpload: function(id, fileName, xhr){
|
|
},
|
|
_onInputChange: function(input){
|
|
if (this._handler instanceof qq.UploadHandlerXhr){
|
|
this._uploadFileList(input.files);
|
|
} else {
|
|
if (this._validateFile(input)){
|
|
this._uploadFile(input);
|
|
}
|
|
}
|
|
this._button.reset();
|
|
},
|
|
_onBeforeAutoRetry: function(id, fileName) {
|
|
this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + fileName + "...");
|
|
},
|
|
_onAutoRetry: function(id, fileName, responseJSON) {
|
|
this.log("Retrying " + fileName + "...");
|
|
this._autoRetries[id]++;
|
|
this._handler.retry(id);
|
|
},
|
|
_shouldAutoRetry: function(id, fileName, responseJSON) {
|
|
if (!this._preventRetries[id] && this._options.retry.enableAuto) {
|
|
if (this._autoRetries[id] === undefined) {
|
|
this._autoRetries[id] = 0;
|
|
}
|
|
|
|
return this._autoRetries[id] < this._options.retry.maxAutoAttempts
|
|
}
|
|
|
|
return false;
|
|
},
|
|
//return false if we should not attempt the requested retry
|
|
_onBeforeManualRetry: function(id) {
|
|
if (this._preventRetries[id]) {
|
|
this.log("Retries are forbidden for id " + id, 'warn');
|
|
return false;
|
|
}
|
|
else if (this._handler.isValid(id)) {
|
|
var fileName = this._handler.getName(id);
|
|
|
|
if (this._options.callbacks.onManualRetry(id, fileName) === false) {
|
|
return false;
|
|
}
|
|
|
|
this.log("Retrying upload for '" + fileName + "' (id: " + id + ")...");
|
|
this._filesInProgress++;
|
|
return true;
|
|
}
|
|
else {
|
|
this.log("'" + id + "' is not a valid file ID", 'error');
|
|
return false;
|
|
}
|
|
},
|
|
_maybeParseAndSendUploadError: function(id, fileName, response, xhr) {
|
|
//assuming no one will actually set the response code to something other than 200 and still set 'success' to true
|
|
if (!response.success){
|
|
if (xhr && xhr.status !== 200 && !response.error) {
|
|
this._options.callbacks.onError(id, fileName, "XHR returned response code " + xhr.status);
|
|
}
|
|
else {
|
|
var errorReason = response.error ? response.error : "Upload failure reason unknown";
|
|
this._options.callbacks.onError(id, fileName, errorReason);
|
|
}
|
|
}
|
|
},
|
|
_uploadFileList: function(files){
|
|
var validationDescriptors, index, batchInvalid;
|
|
|
|
validationDescriptors = this._getValidationDescriptors(files);
|
|
if (validationDescriptors.length > 1) {
|
|
batchInvalid = this._options.callbacks.onValidate(validationDescriptors) === false;
|
|
}
|
|
|
|
if (!batchInvalid) {
|
|
if (files.length > 0) {
|
|
for (index = 0; index < files.length; index++){
|
|
if (this._validateFile(files[index])){
|
|
this._uploadFile(files[index]);
|
|
} else {
|
|
if (this._options.validation.stopOnFirstInvalidFile){
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
this._error('noFilesError', "");
|
|
}
|
|
}
|
|
},
|
|
_uploadFile: function(fileContainer){
|
|
var id = this._handler.add(fileContainer);
|
|
var fileName = this._handler.getName(id);
|
|
|
|
if (this._options.callbacks.onSubmit(id, fileName) !== false){
|
|
this._onSubmit(id, fileName);
|
|
if (this._options.autoUpload) {
|
|
this._handler.upload(id, this._options.request.params);
|
|
}
|
|
else {
|
|
this._storeFileForLater(id);
|
|
}
|
|
}
|
|
},
|
|
_storeFileForLater: function(id) {
|
|
this._storedFileIds.push(id);
|
|
},
|
|
_validateFile: function(file){
|
|
var validationDescriptor, name, size;
|
|
|
|
validationDescriptor = this._getValidationDescriptor(file);
|
|
name = validationDescriptor.name;
|
|
size = validationDescriptor.size;
|
|
|
|
if (this._options.callbacks.onValidate([validationDescriptor]) === false) {
|
|
return false;
|
|
}
|
|
|
|
if (!this._isAllowedExtension(name)){
|
|
this._error('typeError', name);
|
|
return false;
|
|
|
|
}
|
|
else if (size === 0){
|
|
this._error('emptyError', name);
|
|
return false;
|
|
|
|
}
|
|
else if (size && this._options.validation.sizeLimit && size > this._options.validation.sizeLimit){
|
|
this._error('sizeError', name);
|
|
return false;
|
|
|
|
}
|
|
else if (size && size < this._options.validation.minSizeLimit){
|
|
this._error('minSizeError', name);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
_error: function(code, fileName){
|
|
var message = this._options.messages[code];
|
|
function r(name, replacement){ message = message.replace(name, replacement); }
|
|
|
|
var extensions = this._options.validation.allowedExtensions.join(', ');
|
|
|
|
r('{file}', this._formatFileName(fileName));
|
|
r('{extensions}', extensions);
|
|
r('{sizeLimit}', this._formatSize(this._options.validation.sizeLimit));
|
|
r('{minSizeLimit}', this._formatSize(this._options.validation.minSizeLimit));
|
|
|
|
this._options.callbacks.onError(null, fileName, message);
|
|
|
|
return message;
|
|
},
|
|
_formatFileName: function(name){
|
|
if (name.length > 33){
|
|
name = name.slice(0, 19) + '...' + name.slice(-13);
|
|
}
|
|
return name;
|
|
},
|
|
_isAllowedExtension: function(fileName){
|
|
var ext = (-1 !== fileName.indexOf('.'))
|
|
? fileName.replace(/.*[.]/, '').toLowerCase()
|
|
: '';
|
|
var allowed = this._options.validation.allowedExtensions;
|
|
|
|
if (!allowed.length){return true;}
|
|
|
|
for (var i=0; i<allowed.length; i++){
|
|
if (allowed[i].toLowerCase() == ext){ return true;}
|
|
}
|
|
|
|
return false;
|
|
},
|
|
_formatSize: function(bytes){
|
|
var i = -1;
|
|
do {
|
|
bytes = bytes / 1024;
|
|
i++;
|
|
} while (bytes > 99);
|
|
|
|
return Math.max(bytes, 0.1).toFixed(1) + ['kB', 'MB', 'GB', 'TB', 'PB', 'EB'][i];
|
|
},
|
|
_wrapCallbacks: function() {
|
|
var self, safeCallback;
|
|
|
|
self = this;
|
|
|
|
safeCallback = function(name, callback, args) {
|
|
try {
|
|
return callback.apply(self, args);
|
|
}
|
|
catch (exception) {
|
|
self.log("Caught exception in '" + name + "' callback - " + exception, 'error');
|
|
}
|
|
}
|
|
|
|
for (var prop in this._options.callbacks) {
|
|
(function() {
|
|
var oldCallback = self._options.callbacks[prop];
|
|
self._options.callbacks[prop] = function() {
|
|
return safeCallback(prop, oldCallback, arguments);
|
|
}
|
|
}());
|
|
}
|
|
},
|
|
_parseFileName: function(file) {
|
|
var name;
|
|
|
|
if (file.value){
|
|
// it is a file input
|
|
// get input value and remove path to normalize
|
|
name = file.value.replace(/.*(\/|\\)/, "");
|
|
} else {
|
|
// fix missing properties in Safari 4 and firefox 11.0a2
|
|
name = (file.fileName !== null && file.fileName !== undefined) ? file.fileName : file.name;
|
|
}
|
|
|
|
return name;
|
|
},
|
|
_parseFileSize: function(file) {
|
|
var size;
|
|
|
|
if (!file.value){
|
|
// fix missing properties in Safari 4 and firefox 11.0a2
|
|
size = (file.fileSize !== null && file.fileSize !== undefined) ? file.fileSize : file.size;
|
|
}
|
|
|
|
return size;
|
|
},
|
|
_getValidationDescriptor: function(file) {
|
|
var name, size, fileDescriptor;
|
|
|
|
fileDescriptor = {};
|
|
name = this._parseFileName(file);
|
|
size = this._parseFileSize(file);
|
|
|
|
fileDescriptor.name = name;
|
|
if (size) {
|
|
fileDescriptor.size = size;
|
|
}
|
|
|
|
return fileDescriptor;
|
|
},
|
|
_getValidationDescriptors: function(files) {
|
|
var index, fileDescriptors;
|
|
|
|
fileDescriptors = [];
|
|
|
|
for (index = 0; index < files.length; index++) {
|
|
fileDescriptors.push(files[index]);
|
|
}
|
|
|
|
return fileDescriptors;
|
|
}
|
|
};
|
|
/**
|
|
* Class that creates upload widget with drag-and-drop and file list
|
|
* @inherits qq.FineUploaderBasic
|
|
*/
|
|
qq.FineUploader = function(o){
|
|
// call parent constructor
|
|
qq.FineUploaderBasic.apply(this, arguments);
|
|
|
|
// additional options
|
|
qq.extend(this._options, {
|
|
element: null,
|
|
listElement: null,
|
|
dragAndDrop: {
|
|
extraDropzones: [],
|
|
hideDropzones: true,
|
|
disableDefaultDropzone: false
|
|
},
|
|
text: {
|
|
uploadButton: 'Upload a file',
|
|
cancelButton: 'Cancel',
|
|
retryButton: 'Retry',
|
|
failUpload: 'Upload failed',
|
|
dragZone: 'Drop files here to upload',
|
|
formatProgress: "{percent}% of {total_size}",
|
|
waitingForResponse: "Processing..."
|
|
},
|
|
template: '<div class="qq-uploader">' +
|
|
((!this._options.dragAndDrop || !this._options.dragAndDrop.disableDefaultDropzone) ? '<div class="qq-upload-drop-area"><span>{dragZoneText}</span></div>' : '') +
|
|
(!this._options.button ? '<div class="qq-upload-button"><div>{uploadButtonText}</div></div>' : '') +
|
|
(!this._options.listElement ? '<ul class="qq-upload-list"></ul>' : '') +
|
|
'</div>',
|
|
|
|
// template for one item in file list
|
|
fileTemplate: '<li>' +
|
|
'<div class="qq-progress-bar"></div>' +
|
|
'<span class="qq-upload-spinner"></span>' +
|
|
'<span class="qq-upload-finished"></span>' +
|
|
'<span class="qq-upload-file"></span>' +
|
|
'<span class="qq-upload-size"></span>' +
|
|
'<a class="qq-upload-cancel" href="#">{cancelButtonText}</a>' +
|
|
'<a class="qq-upload-retry" href="#">{retryButtonText}</a>' +
|
|
'<span class="qq-upload-status-text">{statusText}</span>' +
|
|
'</li>',
|
|
classes: {
|
|
// used to get elements from templates
|
|
button: 'qq-upload-button',
|
|
drop: 'qq-upload-drop-area',
|
|
dropActive: 'qq-upload-drop-area-active',
|
|
dropDisabled: 'qq-upload-drop-area-disabled',
|
|
list: 'qq-upload-list',
|
|
progressBar: 'qq-progress-bar',
|
|
file: 'qq-upload-file',
|
|
spinner: 'qq-upload-spinner',
|
|
finished: 'qq-upload-finished',
|
|
retrying: 'qq-upload-retrying',
|
|
retryable: 'qq-upload-retryable',
|
|
size: 'qq-upload-size',
|
|
cancel: 'qq-upload-cancel',
|
|
retry: 'qq-upload-retry',
|
|
statusText: 'qq-upload-status-text',
|
|
|
|
// added to list item <li> when upload completes
|
|
// used in css to hide progress spinner
|
|
success: 'qq-upload-success',
|
|
fail: 'qq-upload-fail',
|
|
|
|
successIcon: null,
|
|
failIcon: null
|
|
},
|
|
failedUploadTextDisplay: {
|
|
mode: 'default', //default, custom, or none
|
|
maxChars: 50,
|
|
responseProperty: 'error',
|
|
enableTooltip: true
|
|
},
|
|
messages: {
|
|
tooManyFilesError: "You may only drop one file"
|
|
},
|
|
retry: {
|
|
showAutoRetryNote: true,
|
|
autoRetryNote: "Retrying {retryNum}/{maxAuto}...",
|
|
showButton: false
|
|
},
|
|
showMessage: function(message){
|
|
alert(message);
|
|
}
|
|
}, true);
|
|
|
|
// overwrite options with user supplied
|
|
qq.extend(this._options, o, true);
|
|
this._wrapCallbacks();
|
|
|
|
// overwrite the upload button text if any
|
|
// same for the Cancel button and Fail message text
|
|
this._options.template = this._options.template.replace(/\{dragZoneText\}/g, this._options.text.dragZone);
|
|
this._options.template = this._options.template.replace(/\{uploadButtonText\}/g, this._options.text.uploadButton);
|
|
this._options.fileTemplate = this._options.fileTemplate.replace(/\{cancelButtonText\}/g, this._options.text.cancelButton);
|
|
this._options.fileTemplate = this._options.fileTemplate.replace(/\{retryButtonText\}/g, this._options.text.retryButton);
|
|
this._options.fileTemplate = this._options.fileTemplate.replace(/\{statusText\}/g, "");
|
|
|
|
this._element = this._options.element;
|
|
this._element.innerHTML = this._options.template;
|
|
this._listElement = this._options.listElement || this._find(this._element, 'list');
|
|
|
|
this._classes = this._options.classes;
|
|
|
|
if (!this._button) {
|
|
this._button = this._createUploadButton(this._find(this._element, 'button'));
|
|
}
|
|
|
|
this._bindCancelAndRetryEvents();
|
|
this._setupDragDrop();
|
|
};
|
|
|
|
// inherit from Basic Uploader
|
|
qq.extend(qq.FineUploader.prototype, qq.FineUploaderBasic.prototype);
|
|
|
|
qq.extend(qq.FineUploader.prototype, {
|
|
clearStoredFiles: function() {
|
|
qq.FineUploaderBasic.prototype.clearStoredFiles.apply(this, arguments);
|
|
this._listElement.innerHTML = "";
|
|
},
|
|
addExtraDropzone: function(element){
|
|
this._setupExtraDropzone(element);
|
|
},
|
|
removeExtraDropzone: function(element){
|
|
var dzs = this._options.dragAndDrop.extraDropzones;
|
|
for(var i in dzs) if (dzs[i] === element) return this._options.dragAndDrop.extraDropzones.splice(i,1);
|
|
},
|
|
getItemByFileId: function(id){
|
|
var item = this._listElement.firstChild;
|
|
|
|
// there can't be txt nodes in dynamically created list
|
|
// and we can use nextSibling
|
|
while (item){
|
|
if (item.qqFileId == id) return item;
|
|
item = item.nextSibling;
|
|
}
|
|
},
|
|
reset: function() {
|
|
qq.FineUploaderBasic.prototype.reset.apply(this, arguments);
|
|
this._element.innerHTML = this._options.template;
|
|
this._listElement = this._options.listElement || this._find(this._element, 'list');
|
|
if (!this._options.button) {
|
|
this._button = this._createUploadButton(this._find(this._element, 'button'));
|
|
}
|
|
this._bindCancelAndRetryEvents();
|
|
this._setupDragDrop();
|
|
},
|
|
_leaving_document_out: function(e){
|
|
return ((qq.chrome() || (qq.safari() && qq.windows())) && e.clientX == 0 && e.clientY == 0) // null coords for Chrome and Safari Windows
|
|
|| (qq.firefox() && !e.relatedTarget); // null e.relatedTarget for Firefox
|
|
},
|
|
_storeFileForLater: function(id) {
|
|
qq.FineUploaderBasic.prototype._storeFileForLater.apply(this, arguments);
|
|
var item = this.getItemByFileId(id);
|
|
qq(this._find(item, 'spinner')).hide();
|
|
},
|
|
/**
|
|
* Gets one of the elements listed in this._options.classes
|
|
**/
|
|
_find: function(parent, type){
|
|
var element = qq(parent).getByClass(this._options.classes[type])[0];
|
|
if (!element){
|
|
throw new Error('element not found ' + type);
|
|
}
|
|
|
|
return element;
|
|
},
|
|
_setupExtraDropzone: function(element){
|
|
this._options.dragAndDrop.extraDropzones.push(element);
|
|
this._setupDropzone(element);
|
|
},
|
|
_setupDropzone: function(dropArea){
|
|
var self = this;
|
|
|
|
var dz = new qq.UploadDropZone({
|
|
element: dropArea,
|
|
onEnter: function(e){
|
|
qq(dropArea).addClass(self._classes.dropActive);
|
|
e.stopPropagation();
|
|
},
|
|
onLeave: function(e){
|
|
//e.stopPropagation();
|
|
},
|
|
onLeaveNotDescendants: function(e){
|
|
qq(dropArea).removeClass(self._classes.dropActive);
|
|
},
|
|
onDrop: function(e){
|
|
if (self._options.dragAndDrop.hideDropzones) {
|
|
qq(dropArea).hide();
|
|
}
|
|
|
|
qq(dropArea).removeClass(self._classes.dropActive);
|
|
if (e.dataTransfer.files.length > 1 && !self._options.multiple) {
|
|
self._error('tooManyFilesError', "");
|
|
}
|
|
else {
|
|
self._uploadFileList(e.dataTransfer.files);
|
|
}
|
|
}
|
|
});
|
|
|
|
this.addDisposer(function() { dz.dispose(); });
|
|
|
|
if (this._options.dragAndDrop.hideDropzones) {
|
|
qq(dropArea).hide();
|
|
}
|
|
},
|
|
_setupDragDrop: function(){
|
|
var self, dropArea;
|
|
|
|
self = this;
|
|
|
|
if (!this._options.dragAndDrop.disableDefaultDropzone) {
|
|
dropArea = this._find(this._element, 'drop');
|
|
this._options.dragAndDrop.extraDropzones.push(dropArea);
|
|
}
|
|
|
|
var dropzones = this._options.dragAndDrop.extraDropzones;
|
|
var i;
|
|
for (i=0; i < dropzones.length; i++){
|
|
this._setupDropzone(dropzones[i]);
|
|
}
|
|
|
|
// IE <= 9 does not support the File API used for drag+drop uploads
|
|
if (!this._options.dragAndDrop.disableDefaultDropzone && (!qq.ie() || qq.ie10())) {
|
|
this._attach(document, 'dragenter', function(e){
|
|
if (qq(dropArea).hasClass(self._classes.dropDisabled)) return;
|
|
|
|
dropArea.style.display = 'block';
|
|
for (i=0; i < dropzones.length; i++){ dropzones[i].style.display = 'block'; }
|
|
|
|
});
|
|
}
|
|
this._attach(document, 'dragleave', function(e){
|
|
if (self._options.dragAndDrop.hideDropzones && qq.FineUploader.prototype._leaving_document_out(e)) {
|
|
for (i=0; i < dropzones.length; i++) {
|
|
qq(dropzones[i]).hide();
|
|
}
|
|
}
|
|
});
|
|
qq(document).attach('drop', function(e){
|
|
if (self._options.dragAndDrop.hideDropzones) {
|
|
for (i=0; i < dropzones.length; i++) {
|
|
qq(dropzones[i]).hide();
|
|
}
|
|
}
|
|
e.preventDefault();
|
|
});
|
|
},
|
|
_onSubmit: function(id, fileName){
|
|
qq.FineUploaderBasic.prototype._onSubmit.apply(this, arguments);
|
|
this._addToList(id, fileName);
|
|
},
|
|
// Update the progress bar & percentage as the file is uploaded
|
|
_onProgress: function(id, fileName, loaded, total){
|
|
qq.FineUploaderBasic.prototype._onProgress.apply(this, arguments);
|
|
|
|
var item, progressBar, text, percent, cancelLink, size;
|
|
|
|
item = this.getItemByFileId(id);
|
|
progressBar = this._find(item, 'progressBar');
|
|
percent = Math.round(loaded / total * 100);
|
|
|
|
if (loaded === total) {
|
|
cancelLink = this._find(item, 'cancel');
|
|
qq(cancelLink).hide();
|
|
|
|
qq(progressBar).hide();
|
|
qq(this._find(item, 'statusText')).setText(this._options.text.waitingForResponse);
|
|
|
|
// If last byte was sent, just display final size
|
|
text = this._formatSize(total);
|
|
}
|
|
else {
|
|
// If still uploading, display percentage
|
|
text = this._formatProgress(loaded, total);
|
|
|
|
qq(progressBar).css({display: 'block'});
|
|
}
|
|
|
|
// Update progress bar element
|
|
qq(progressBar).css({width: percent + '%'});
|
|
|
|
size = this._find(item, 'size');
|
|
qq(size).css({display: 'inline'});
|
|
qq(size).setText(text);
|
|
},
|
|
_onComplete: function(id, fileName, result, xhr){
|
|
qq.FineUploaderBasic.prototype._onComplete.apply(this, arguments);
|
|
|
|
var item = this.getItemByFileId(id);
|
|
|
|
qq(this._find(item, 'statusText')).clearText();
|
|
|
|
qq(item).removeClass(this._classes.retrying);
|
|
qq(this._find(item, 'progressBar')).hide();
|
|
|
|
if (!this._options.disableCancelForFormUploads || qq.UploadHandlerXhr.isSupported()) {
|
|
qq(this._find(item, 'cancel')).hide();
|
|
}
|
|
qq(this._find(item, 'spinner')).hide();
|
|
|
|
if (result.success){
|
|
qq(item).addClass(this._classes.success);
|
|
if (this._classes.successIcon) {
|
|
this._find(item, 'finished').style.display = "inline-block";
|
|
qq(item).addClass(this._classes.successIcon);
|
|
}
|
|
} else {
|
|
qq(item).addClass(this._classes.fail);
|
|
if (this._classes.failIcon) {
|
|
this._find(item, 'finished').style.display = "inline-block";
|
|
qq(item).addClass(this._classes.failIcon);
|
|
}
|
|
if (this._options.retry.showButton && !this._preventRetries[id]) {
|
|
qq(item).addClass(this._classes.retryable);
|
|
}
|
|
this._controlFailureTextDisplay(item, result);
|
|
}
|
|
},
|
|
_onUpload: function(id, fileName, xhr){
|
|
qq.FineUploaderBasic.prototype._onUpload.apply(this, arguments);
|
|
|
|
var item = this.getItemByFileId(id);
|
|
this._showSpinner(item);
|
|
},
|
|
_onBeforeAutoRetry: function(id) {
|
|
var item, progressBar, cancelLink, failTextEl, retryNumForDisplay, maxAuto, retryNote;
|
|
|
|
qq.FineUploaderBasic.prototype._onBeforeAutoRetry.apply(this, arguments);
|
|
|
|
item = this.getItemByFileId(id);
|
|
progressBar = this._find(item, 'progressBar');
|
|
|
|
this._showCancelLink(item);
|
|
progressBar.style.width = 0;
|
|
qq(progressBar).hide();
|
|
|
|
if (this._options.retry.showAutoRetryNote) {
|
|
failTextEl = this._find(item, 'statusText');
|
|
retryNumForDisplay = this._autoRetries[id] + 1;
|
|
maxAuto = this._options.retry.maxAutoAttempts;
|
|
|
|
retryNote = this._options.retry.autoRetryNote.replace(/\{retryNum\}/g, retryNumForDisplay);
|
|
retryNote = retryNote.replace(/\{maxAuto\}/g, maxAuto);
|
|
|
|
qq(failTextEl).setText(retryNote);
|
|
if (retryNumForDisplay === 1) {
|
|
qq(item).addClass(this._classes.retrying);
|
|
}
|
|
}
|
|
},
|
|
//return false if we should not attempt the requested retry
|
|
_onBeforeManualRetry: function(id) {
|
|
if (qq.FineUploaderBasic.prototype._onBeforeManualRetry.apply(this, arguments)) {
|
|
var item = this.getItemByFileId(id);
|
|
this._find(item, 'progressBar').style.width = 0;
|
|
qq(item).removeClass(this._classes.fail);
|
|
this._showSpinner(item);
|
|
this._showCancelLink(item);
|
|
return true;
|
|
}
|
|
return false;
|
|
},
|
|
_addToList: function(id, fileName){
|
|
var item = qq.toElement(this._options.fileTemplate);
|
|
if (this._options.disableCancelForFormUploads && !qq.UploadHandlerXhr.isSupported()) {
|
|
var cancelLink = this._find(item, 'cancel');
|
|
qq(cancelLink).remove();
|
|
}
|
|
|
|
item.qqFileId = id;
|
|
|
|
var fileElement = this._find(item, 'file');
|
|
qq(fileElement).setText(this._formatFileName(fileName));
|
|
qq(this._find(item, 'size')).hide();
|
|
if (!this._options.multiple) this._clearList();
|
|
this._listElement.appendChild(item);
|
|
},
|
|
_clearList: function(){
|
|
this._listElement.innerHTML = '';
|
|
this.clearStoredFiles();
|
|
},
|
|
/**
|
|
* delegate click event for cancel & retry links
|
|
**/
|
|
_bindCancelAndRetryEvents: function(){
|
|
var self = this,
|
|
list = this._listElement;
|
|
|
|
this._attach(list, 'click', function(e){
|
|
e = e || window.event;
|
|
var target = e.target || e.srcElement;
|
|
|
|
if (qq(target).hasClass(self._classes.cancel) || qq(target).hasClass(self._classes.retry)){
|
|
qq.preventDefault(e);
|
|
|
|
var item = target.parentNode;
|
|
while(item.qqFileId == undefined) {
|
|
item = target = target.parentNode;
|
|
}
|
|
|
|
if (qq(target).hasClass(self._classes.cancel)) {
|
|
self.cancel(item.qqFileId);
|
|
qq(item).remove();
|
|
}
|
|
else {
|
|
qq(item).removeClass(self._classes.retryable);
|
|
self.retry(item.qqFileId);
|
|
}
|
|
}
|
|
});
|
|
},
|
|
_formatProgress: function (uploadedSize, totalSize) {
|
|
var message = this._options.text.formatProgress;
|
|
function r(name, replacement) { message = message.replace(name, replacement); }
|
|
|
|
r('{percent}', Math.round(uploadedSize / totalSize * 100));
|
|
r('{total_size}', this._formatSize(totalSize));
|
|
return message;
|
|
},
|
|
_controlFailureTextDisplay: function(item, response) {
|
|
var mode, maxChars, responseProperty, failureReason, shortFailureReason;
|
|
|
|
mode = this._options.failedUploadTextDisplay.mode;
|
|
maxChars = this._options.failedUploadTextDisplay.maxChars;
|
|
responseProperty = this._options.failedUploadTextDisplay.responseProperty;
|
|
|
|
if (mode === 'custom') {
|
|
failureReason = response[responseProperty];
|
|
if (failureReason) {
|
|
if (failureReason.length > maxChars) {
|
|
shortFailureReason = failureReason.substring(0, maxChars) + '...';
|
|
}
|
|
}
|
|
else {
|
|
failureReason = this._options.text.failUpload;
|
|
this.log("'" + responseProperty + "' is not a valid property on the server response.", 'warn');
|
|
}
|
|
|
|
qq(this._find(item, 'statusText')).setText(shortFailureReason || failureReason);
|
|
|
|
if (this._options.failedUploadTextDisplay.enableTooltip) {
|
|
this._showTooltip(item, failureReason);
|
|
}
|
|
}
|
|
else if (mode === 'default') {
|
|
qq(this._find(item, 'statusText')).setText(this._options.text.failUpload);
|
|
}
|
|
else if (mode !== 'none') {
|
|
this.log("failedUploadTextDisplay.mode value of '" + mode + "' is not valid", 'warn');
|
|
}
|
|
},
|
|
//TODO turn this into a real tooltip, with click trigger (so it is usable on mobile devices). See case #355 for details.
|
|
_showTooltip: function(item, text) {
|
|
item.title = text;
|
|
},
|
|
_showSpinner: function(item) {
|
|
var spinnerEl = this._find(item, 'spinner');
|
|
spinnerEl.style.display = "inline-block";
|
|
},
|
|
_showCancelLink: function(item) {
|
|
if (!this._options.disableCancelForFormUploads || qq.UploadHandlerXhr.isSupported()) {
|
|
var cancelLink = this._find(item, 'cancel');
|
|
cancelLink.style.display = 'inline';
|
|
}
|
|
},
|
|
_error: function(code, fileName){
|
|
var message = qq.FineUploaderBasic.prototype._error.apply(this, arguments);
|
|
this._options.showMessage(message);
|
|
}
|
|
});
|
|
|
|
qq.UploadDropZone = function(o){
|
|
this._options = {
|
|
element: null,
|
|
onEnter: function(e){},
|
|
onLeave: function(e){},
|
|
// is not fired when leaving element by hovering descendants
|
|
onLeaveNotDescendants: function(e){},
|
|
onDrop: function(e){}
|
|
};
|
|
qq.extend(this._options, o);
|
|
qq.extend(this, qq.DisposeSupport);
|
|
|
|
this._element = this._options.element;
|
|
|
|
this._disableDropOutside();
|
|
this._attachEvents();
|
|
};
|
|
|
|
qq.UploadDropZone.prototype = {
|
|
_dragover_should_be_canceled: function(){
|
|
return qq.safari() || (qq.firefox() && qq.windows());
|
|
},
|
|
_disableDropOutside: function(e){
|
|
// run only once for all instances
|
|
if (!qq.UploadDropZone.dropOutsideDisabled ){
|
|
|
|
// for these cases we need to catch onDrop to reset dropArea
|
|
if (this._dragover_should_be_canceled){
|
|
qq(document).attach('dragover', function(e){
|
|
e.preventDefault();
|
|
});
|
|
} else {
|
|
qq(document).attach('dragover', function(e){
|
|
if (e.dataTransfer){
|
|
e.dataTransfer.dropEffect = 'none';
|
|
e.preventDefault();
|
|
}
|
|
});
|
|
}
|
|
|
|
qq.UploadDropZone.dropOutsideDisabled = true;
|
|
}
|
|
},
|
|
_attachEvents: function(){
|
|
var self = this;
|
|
|
|
self._attach(self._element, 'dragover', function(e){
|
|
if (!self._isValidFileDrag(e)) return;
|
|
|
|
var effect = qq.ie() ? null : e.dataTransfer.effectAllowed;
|
|
if (effect == 'move' || effect == 'linkMove'){
|
|
e.dataTransfer.dropEffect = 'move'; // for FF (only move allowed)
|
|
} else {
|
|
e.dataTransfer.dropEffect = 'copy'; // for Chrome
|
|
}
|
|
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
});
|
|
|
|
self._attach(self._element, 'dragenter', function(e){
|
|
if (!self._isValidFileDrag(e)) return;
|
|
|
|
self._options.onEnter(e);
|
|
});
|
|
|
|
self._attach(self._element, 'dragleave', function(e){
|
|
if (!self._isValidFileDrag(e)) return;
|
|
|
|
self._options.onLeave(e);
|
|
|
|
var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);
|
|
// do not fire when moving a mouse over a descendant
|
|
if (qq(this).contains(relatedTarget)) return;
|
|
|
|
self._options.onLeaveNotDescendants(e);
|
|
});
|
|
|
|
self._attach(self._element, 'drop', function(e){
|
|
if (!self._isValidFileDrag(e)) return;
|
|
|
|
e.preventDefault();
|
|
self._options.onDrop(e);
|
|
});
|
|
},
|
|
_isValidFileDrag: function(e){
|
|
// e.dataTransfer currently causing IE errors
|
|
// IE9 does NOT support file API, so drag-and-drop is not possible
|
|
if (qq.ie() && !qq.ie10()) return false;
|
|
|
|
var dt = e.dataTransfer,
|
|
// do not check dt.types.contains in webkit, because it crashes safari 4
|
|
isSafari = qq.safari();
|
|
|
|
// dt.effectAllowed is none in Safari 5
|
|
// dt.types.contains check is for firefox
|
|
var effectTest = qq.ie10() ? true : dt.effectAllowed != 'none';
|
|
return dt && effectTest && (dt.files || (!isSafari && dt.types.contains && dt.types.contains('Files')));
|
|
}
|
|
};
|
|
/**
|
|
* Class for uploading files, uploading itself is handled by child classes
|
|
*/
|
|
qq.UploadHandlerAbstract = function(o){
|
|
// Default options, can be overridden by the user
|
|
this._options = {
|
|
debug: false,
|
|
endpoint: '/upload.php',
|
|
// maximum number of concurrent uploads
|
|
maxConnections: 999,
|
|
log: function(str, level) {},
|
|
onProgress: function(id, fileName, loaded, total){},
|
|
onComplete: function(id, fileName, response, xhr){},
|
|
onCancel: function(id, fileName){},
|
|
onUpload: function(id, fileName, xhr){},
|
|
onAutoRetry: function(id, fileName, response, xhr){}
|
|
|
|
};
|
|
qq.extend(this._options, o);
|
|
|
|
this._queue = [];
|
|
// params for files in queue
|
|
this._params = [];
|
|
|
|
this.log = this._options.log;
|
|
};
|
|
qq.UploadHandlerAbstract.prototype = {
|
|
/**
|
|
* Adds file or file input to the queue
|
|
* @returns id
|
|
**/
|
|
add: function(file){},
|
|
/**
|
|
* Sends the file identified by id and additional query params to the server
|
|
*/
|
|
upload: function(id, params){
|
|
var len = this._queue.push(id);
|
|
|
|
var copy = {};
|
|
qq.extend(copy, params);
|
|
this._params[id] = copy;
|
|
|
|
// if too many active uploads, wait...
|
|
if (len <= this._options.maxConnections){
|
|
this._upload(id, this._params[id]);
|
|
}
|
|
},
|
|
retry: function(id) {
|
|
var i = qq.indexOf(this._queue, id);
|
|
if (i >= 0) {
|
|
this._upload(id, this._params[id]);
|
|
}
|
|
else {
|
|
this.upload(id, this._params[id]);
|
|
}
|
|
},
|
|
/**
|
|
* Cancels file upload by id
|
|
*/
|
|
cancel: function(id){
|
|
this.log('Cancelling ' + id);
|
|
this._cancel(id);
|
|
this._dequeue(id);
|
|
},
|
|
/**
|
|
* Cancells all uploads
|
|
*/
|
|
cancelAll: function(){
|
|
for (var i=0; i<this._queue.length; i++){
|
|
this._cancel(this._queue[i]);
|
|
}
|
|
this._queue = [];
|
|
},
|
|
/**
|
|
* Returns name of the file identified by id
|
|
*/
|
|
getName: function(id){},
|
|
/**
|
|
* Returns size of the file identified by id
|
|
*/
|
|
getSize: function(id){},
|
|
/**
|
|
* Returns id of files being uploaded or
|
|
* waiting for their turn
|
|
*/
|
|
getQueue: function(){
|
|
return this._queue;
|
|
},
|
|
reset: function() {
|
|
this.log('Resetting upload handler');
|
|
this._queue = [];
|
|
this._params = [];
|
|
},
|
|
/**
|
|
* Actual upload method
|
|
*/
|
|
_upload: function(id){},
|
|
/**
|
|
* Actual cancel method
|
|
*/
|
|
_cancel: function(id){},
|
|
/**
|
|
* Removes element from queue, starts upload of next
|
|
*/
|
|
_dequeue: function(id){
|
|
var i = qq.indexOf(this._queue, id);
|
|
this._queue.splice(i, 1);
|
|
|
|
var max = this._options.maxConnections;
|
|
|
|
if (this._queue.length >= max && i < max){
|
|
var nextId = this._queue[max-1];
|
|
this._upload(nextId, this._params[nextId]);
|
|
}
|
|
},
|
|
/**
|
|
* Determine if the file exists.
|
|
*/
|
|
isValid: function(id) {}
|
|
};
|
|
/**
|
|
* Class for uploading files using form and iframe
|
|
* @inherits qq.UploadHandlerAbstract
|
|
*/
|
|
qq.UploadHandlerForm = function(o){
|
|
qq.UploadHandlerAbstract.apply(this, arguments);
|
|
|
|
this._inputs = {};
|
|
this._detach_load_events = {};
|
|
};
|
|
// @inherits qq.UploadHandlerAbstract
|
|
qq.extend(qq.UploadHandlerForm.prototype, qq.UploadHandlerAbstract.prototype);
|
|
|
|
qq.extend(qq.UploadHandlerForm.prototype, {
|
|
add: function(fileInput){
|
|
fileInput.setAttribute('name', this._options.inputName);
|
|
var id = 'qq-upload-handler-iframe' + qq.getUniqueId();
|
|
|
|
this._inputs[id] = fileInput;
|
|
|
|
// remove file input from DOM
|
|
if (fileInput.parentNode){
|
|
qq(fileInput).remove();
|
|
}
|
|
|
|
return id;
|
|
},
|
|
getName: function(id){
|
|
// get input value and remove path to normalize
|
|
return this._inputs[id].value.replace(/.*(\/|\\)/, "");
|
|
},
|
|
isValid: function(id) {
|
|
return this._inputs[id] !== undefined;
|
|
},
|
|
reset: function() {
|
|
qq.UploadHandlerAbstract.prototype.reset.apply(this, arguments);
|
|
this._inputs = {};
|
|
this._detach_load_events = {};
|
|
},
|
|
_cancel: function(id){
|
|
this._options.onCancel(id, this.getName(id));
|
|
|
|
delete this._inputs[id];
|
|
delete this._detach_load_events[id];
|
|
|
|
var iframe = document.getElementById(id);
|
|
if (iframe){
|
|
// to cancel request set src to something else
|
|
// we use src="javascript:false;" because it doesn't
|
|
// trigger ie6 prompt on https
|
|
iframe.setAttribute('src', 'javascript:false;');
|
|
|
|
qq(iframe).remove();
|
|
}
|
|
},
|
|
_upload: function(id, params){
|
|
this._options.onUpload(id, this.getName(id), false);
|
|
var input = this._inputs[id];
|
|
|
|
if (!input){
|
|
throw new Error('file with passed id was not added, or already uploaded or cancelled');
|
|
}
|
|
|
|
var fileName = this.getName(id);
|
|
params[this._options.inputName] = fileName;
|
|
|
|
var iframe = this._createIframe(id);
|
|
var form = this._createForm(iframe, params);
|
|
form.appendChild(input);
|
|
|
|
var self = this;
|
|
this._attachLoadEvent(iframe, function(){
|
|
self.log('iframe loaded');
|
|
|
|
var response = self._getIframeContentJSON(iframe);
|
|
|
|
// timeout added to fix busy state in FF3.6
|
|
setTimeout(function(){
|
|
self._detach_load_events[id]();
|
|
delete self._detach_load_events[id];
|
|
qq(iframe).remove();
|
|
}, 1);
|
|
|
|
if (!response.success) {
|
|
if (self._options.onAutoRetry(id, fileName, response)) {
|
|
return;
|
|
}
|
|
}
|
|
self._options.onComplete(id, fileName, response);
|
|
self._dequeue(id);
|
|
});
|
|
|
|
this.log('Sending upload request for ' + id);
|
|
form.submit();
|
|
qq(form).remove();
|
|
|
|
return id;
|
|
},
|
|
_attachLoadEvent: function(iframe, callback){
|
|
var self = this;
|
|
this._detach_load_events[iframe.id] = qq(iframe).attach('load', function(){
|
|
self.log('Received response for ' + iframe.id);
|
|
|
|
// when we remove iframe from dom
|
|
// the request stops, but in IE load
|
|
// event fires
|
|
if (!iframe.parentNode){
|
|
return;
|
|
}
|
|
|
|
try {
|
|
// fixing Opera 10.53
|
|
if (iframe.contentDocument &&
|
|
iframe.contentDocument.body &&
|
|
iframe.contentDocument.body.innerHTML == "false"){
|
|
// In Opera event is fired second time
|
|
// when body.innerHTML changed from false
|
|
// to server response approx. after 1 sec
|
|
// when we upload file with iframe
|
|
return;
|
|
}
|
|
}
|
|
catch (error) {
|
|
//IE may throw an "access is denied" error when attempting to access contentDocument on the iframe in some cases
|
|
self.log('Error when attempting to access iframe during handling of upload response (' + error + ")", 'error');
|
|
}
|
|
|
|
callback();
|
|
});
|
|
},
|
|
/**
|
|
* Returns json object received by iframe from server.
|
|
*/
|
|
_getIframeContentJSON: function(iframe){
|
|
//IE may throw an "access is denied" error when attempting to access contentDocument on the iframe in some cases
|
|
try {
|
|
// iframe.contentWindow.document - for IE<7
|
|
var doc = iframe.contentDocument ? iframe.contentDocument: iframe.contentWindow.document,
|
|
response;
|
|
|
|
var innerHTML = doc.body.innerHTML;
|
|
this.log("converting iframe's innerHTML to JSON");
|
|
this.log("innerHTML = " + innerHTML);
|
|
//plain text response may be wrapped in <pre> tag
|
|
if (innerHTML && innerHTML.match(/^<pre/i)) {
|
|
innerHTML = doc.body.firstChild.firstChild.nodeValue;
|
|
}
|
|
response = eval("(" + innerHTML + ")");
|
|
} catch(error){
|
|
this.log('Error when attempting to parse form upload response (' + error + ")", 'error');
|
|
response = {success: false};
|
|
}
|
|
|
|
return response;
|
|
},
|
|
/**
|
|
* Creates iframe with unique name
|
|
*/
|
|
_createIframe: function(id){
|
|
// We can't use following code as the name attribute
|
|
// won't be properly registered in IE6, and new window
|
|
// on form submit will open
|
|
// var iframe = document.createElement('iframe');
|
|
// iframe.setAttribute('name', id);
|
|
|
|
var iframe = qq.toElement('<iframe src="javascript:false;" name="' + id + '" />');
|
|
// src="javascript:false;" removes ie6 prompt on https
|
|
|
|
iframe.setAttribute('id', id);
|
|
|
|
iframe.style.display = 'none';
|
|
document.body.appendChild(iframe);
|
|
|
|
return iframe;
|
|
},
|
|
/**
|
|
* Creates form, that will be submitted to iframe
|
|
*/
|
|
_createForm: function(iframe, params){
|
|
// We can't use the following code in IE6
|
|
// var form = document.createElement('form');
|
|
// form.setAttribute('method', 'post');
|
|
// form.setAttribute('enctype', 'multipart/form-data');
|
|
// Because in this case file won't be attached to request
|
|
var protocol = this._options.demoMode ? "GET" : "POST"
|
|
var form = qq.toElement('<form method="' + protocol + '" enctype="multipart/form-data"></form>');
|
|
|
|
var queryString = qq.obj2url(params, this._options.endpoint);
|
|
|
|
form.setAttribute('action', queryString);
|
|
form.setAttribute('target', iframe.name);
|
|
form.style.display = 'none';
|
|
document.body.appendChild(form);
|
|
|
|
return form;
|
|
}
|
|
});
|
|
/**
|
|
* Class for uploading files using xhr
|
|
* @inherits qq.UploadHandlerAbstract
|
|
*/
|
|
qq.UploadHandlerXhr = function(o){
|
|
qq.UploadHandlerAbstract.apply(this, arguments);
|
|
|
|
this._files = [];
|
|
this._xhrs = [];
|
|
|
|
// current loaded size in bytes for each file
|
|
this._loaded = [];
|
|
};
|
|
|
|
// static method
|
|
qq.UploadHandlerXhr.isSupported = function(){
|
|
var input = document.createElement('input');
|
|
input.type = 'file';
|
|
|
|
return (
|
|
'multiple' in input &&
|
|
typeof File != "undefined" &&
|
|
typeof FormData != "undefined" &&
|
|
typeof (new XMLHttpRequest()).upload != "undefined" );
|
|
};
|
|
|
|
// @inherits qq.UploadHandlerAbstract
|
|
qq.extend(qq.UploadHandlerXhr.prototype, qq.UploadHandlerAbstract.prototype)
|
|
|
|
qq.extend(qq.UploadHandlerXhr.prototype, {
|
|
/**
|
|
* Adds file to the queue
|
|
* Returns id to use with upload, cancel
|
|
**/
|
|
add: function(file){
|
|
if (!(file instanceof File)){
|
|
throw new Error('Passed obj in not a File (in qq.UploadHandlerXhr)');
|
|
}
|
|
|
|
return this._files.push(file) - 1;
|
|
},
|
|
getName: function(id){
|
|
var file = this._files[id];
|
|
// fix missing name in Safari 4
|
|
//NOTE: fixed missing name firefox 11.0a2 file.fileName is actually undefined
|
|
return (file.fileName !== null && file.fileName !== undefined) ? file.fileName : file.name;
|
|
},
|
|
getSize: function(id){
|
|
var file = this._files[id];
|
|
return file.fileSize != null ? file.fileSize : file.size;
|
|
},
|
|
/**
|
|
* Returns uploaded bytes for file identified by id
|
|
*/
|
|
getLoaded: function(id){
|
|
return this._loaded[id] || 0;
|
|
},
|
|
isValid: function(id) {
|
|
return this._files[id] !== undefined;
|
|
},
|
|
reset: function() {
|
|
qq.UploadHandlerAbstract.prototype.reset.apply(this, arguments);
|
|
this._files = [];
|
|
this._xhrs = [];
|
|
this._loaded = [];
|
|
},
|
|
/**
|
|
* Sends the file identified by id and additional query params to the server
|
|
* @param {Object} params name-value string pairs
|
|
*/
|
|
_upload: function(id, params){
|
|
this._options.onUpload(id, this.getName(id), true);
|
|
|
|
var file = this._files[id],
|
|
name = this.getName(id),
|
|
size = this.getSize(id);
|
|
|
|
this._loaded[id] = 0;
|
|
|
|
var xhr = this._xhrs[id] = new XMLHttpRequest();
|
|
var self = this;
|
|
|
|
xhr.upload.onprogress = function(e){
|
|
if (e.lengthComputable){
|
|
self._loaded[id] = e.loaded;
|
|
self._options.onProgress(id, name, e.loaded, e.total);
|
|
}
|
|
};
|
|
|
|
xhr.onreadystatechange = function(){
|
|
if (xhr.readyState == 4){
|
|
self._onComplete(id, xhr);
|
|
}
|
|
};
|
|
|
|
// build query string
|
|
params = params || {};
|
|
params[this._options.inputName] = name;
|
|
var queryString = qq.obj2url(params, this._options.endpoint);
|
|
|
|
var protocol = this._options.demoMode ? "GET" : "POST";
|
|
xhr.open(protocol, queryString, true);
|
|
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
|
|
xhr.setRequestHeader("X-File-Name", encodeURIComponent(name));
|
|
xhr.setRequestHeader("Cache-Control", "no-cache");
|
|
if (this._options.forceMultipart) {
|
|
var formData = new FormData();
|
|
formData.append(this._options.inputName, file);
|
|
file = formData;
|
|
} else {
|
|
xhr.setRequestHeader("Content-Type", "application/octet-stream");
|
|
//NOTE: return mime type in xhr works on chrome 16.0.9 firefox 11.0a2
|
|
xhr.setRequestHeader("X-Mime-Type",file.type );
|
|
}
|
|
for (key in this._options.customHeaders){
|
|
xhr.setRequestHeader(key, this._options.customHeaders[key]);
|
|
};
|
|
|
|
this.log('Sending upload request for ' + id);
|
|
xhr.send(file);
|
|
},
|
|
_onComplete: function(id, xhr){
|
|
"use strict";
|
|
// the request was aborted/cancelled
|
|
if (!this._files[id]) { return; }
|
|
|
|
var name = this.getName(id);
|
|
var size = this.getSize(id);
|
|
var response; //the parsed JSON response from the server, or the empty object if parsing failed.
|
|
|
|
this._options.onProgress(id, name, size, size);
|
|
|
|
this.log("xhr - server response received for " + id);
|
|
this.log("responseText = " + xhr.responseText);
|
|
|
|
try {
|
|
if (typeof JSON.parse === "function") {
|
|
response = JSON.parse(xhr.responseText);
|
|
} else {
|
|
response = eval("(" + xhr.responseText + ")");
|
|
}
|
|
} catch(error){
|
|
this.log('Error when attempting to parse xhr response text (' + error + ')', 'error');
|
|
response = {};
|
|
}
|
|
|
|
if (xhr.status !== 200 || !response.success){
|
|
if (this._options.onAutoRetry(id, name, response, xhr)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
this._options.onComplete(id, name, response, xhr);
|
|
|
|
this._xhrs[id] = null;
|
|
this._dequeue(id);
|
|
},
|
|
_cancel: function(id){
|
|
this._options.onCancel(id, this.getName(id));
|
|
|
|
this._files[id] = null;
|
|
|
|
if (this._xhrs[id]){
|
|
this._xhrs[id].abort();
|
|
this._xhrs[id] = null;
|
|
}
|
|
}
|
|
});
|
|
(function($) {
|
|
"use strict";
|
|
var uploader, $el, init, dataStore, pluginOption, pluginOptions, addCallbacks, transformOptions, isValidCommand,
|
|
delegateCommand;
|
|
|
|
pluginOptions = ['uploaderType'];
|
|
|
|
init = function (options) {
|
|
if (options) {
|
|
var xformedOpts = transformOptions(options);
|
|
addCallbacks(xformedOpts);
|
|
|
|
if (pluginOption('uploaderType') === 'basic') {
|
|
uploader(new qq.FineUploaderBasic(xformedOpts));
|
|
}
|
|
else {
|
|
uploader(new qq.FineUploader(xformedOpts));
|
|
}
|
|
}
|
|
|
|
return $el;
|
|
};
|
|
|
|
dataStore = function(key, val) {
|
|
var data = $el.data('fineuploader');
|
|
|
|
if (val) {
|
|
if (data === undefined) {
|
|
data = {};
|
|
}
|
|
data[key] = val;
|
|
$el.data('fineuploader', data);
|
|
}
|
|
else {
|
|
if (data === undefined) {
|
|
return null;
|
|
}
|
|
return data[key];
|
|
}
|
|
};
|
|
|
|
//the underlying Fine Uploader instance is stored in jQuery's data stored, associated with the element
|
|
// tied to this instance of the plug-in
|
|
uploader = function(instanceToStore) {
|
|
return dataStore('uploader', instanceToStore);
|
|
};
|
|
|
|
pluginOption = function(option, optionVal) {
|
|
return dataStore(option, optionVal);
|
|
};
|
|
|
|
//implement all callbacks defined in Fine Uploader as functions that trigger appropriately names events and
|
|
// return the result of executing the bound handler back to Fine Uploader
|
|
addCallbacks = function(transformedOpts) {
|
|
var callbacks = transformedOpts.callbacks = {};
|
|
|
|
$.each(new qq.FineUploaderBasic()._options.callbacks, function(prop, func) {
|
|
var name, $callbackEl;
|
|
|
|
name = /^on(\w+)/.exec(prop)[1];
|
|
name = name.substring(0, 1).toLowerCase() + name.substring(1);
|
|
$callbackEl = $el;
|
|
|
|
callbacks[prop] = function() {
|
|
var args = Array.prototype.slice.call(arguments);
|
|
return $callbackEl.triggerHandler(name, args);
|
|
};
|
|
});
|
|
};
|
|
|
|
//transform jQuery objects into HTMLElements, and pass along all other option properties
|
|
transformOptions = function(source, dest) {
|
|
var xformed, arrayVals;
|
|
|
|
if (dest === undefined) {
|
|
if (source.uploaderType !== 'basic') {
|
|
xformed = { element : $el[0] };
|
|
}
|
|
else {
|
|
xformed = {};
|
|
}
|
|
}
|
|
else {
|
|
xformed = dest;
|
|
}
|
|
|
|
$.each(source, function(prop, val) {
|
|
if ($.inArray(prop, pluginOptions) >= 0) {
|
|
pluginOption(prop, val);
|
|
}
|
|
else if (val instanceof $) {
|
|
xformed[prop] = val[0];
|
|
}
|
|
else if ($.isPlainObject(val)) {
|
|
xformed[prop] = {};
|
|
transformOptions(val, xformed[prop]);
|
|
}
|
|
else if ($.isArray(val)) {
|
|
arrayVals = [];
|
|
$.each(val, function(idx, arrayVal) {
|
|
if (arrayVal instanceof $) {
|
|
$.merge(arrayVals, arrayVal);
|
|
}
|
|
else {
|
|
arrayVals.push(arrayVal);
|
|
}
|
|
});
|
|
xformed[prop] = arrayVals;
|
|
}
|
|
else {
|
|
xformed[prop] = val;
|
|
}
|
|
});
|
|
|
|
if (dest === undefined) {
|
|
return xformed;
|
|
}
|
|
};
|
|
|
|
isValidCommand = function(command) {
|
|
return $.type(command) === "string" &&
|
|
!command.match(/^_/) && //enforce private methods convention
|
|
uploader()[command] !== undefined;
|
|
};
|
|
|
|
//assuming we have already verified that this is a valid command, call the associated function in the underlying
|
|
// Fine Uploader instance (passing along the arguments from the caller) and return the result of the call back to the caller
|
|
delegateCommand = function(command) {
|
|
return uploader()[command].apply(uploader(), Array.prototype.slice.call(arguments, 1));
|
|
};
|
|
|
|
$.fn.fineUploader = function(optionsOrCommand) {
|
|
$el = this;
|
|
|
|
if (uploader() && isValidCommand(optionsOrCommand)) {
|
|
return delegateCommand.apply(this, arguments);
|
|
}
|
|
else if (typeof optionsOrCommand === 'object' || !optionsOrCommand) {
|
|
return init.apply(this, arguments);
|
|
}
|
|
else {
|
|
$.error('Method ' + optionsOrCommand + ' does not exist on jQuery.fineUploader');
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
}(jQuery));
|