+++ /dev/null
-/**
- * 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
- *
- * VERSION 2.0 beta
- * Original version 1.0 © 2010 Andrew Valums ( andrew(at)valums.com )
- * Licensed under GNU GPL 2 or later and 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; };
-qq.safari = function(){ return navigator.vendor != undefined && navigator.vendor.indexOf("Apple") != -1; };
-qq.chrome = function(){ return navigator.vendor != undefined && navigator.vendor.indexOf('Google') != -1; };
-qq.firefox = function(){ return (navigator.userAgent.indexOf('Mozilla') != -1 && navigator.vendor != undefined && navigator.vendor == ''); };
-qq.windows = function(){ return navigator.platform == "Win32"; };
-
-//
-// Events
-
-/** Returns the function which detaches attached event */
-qq.attach = function(element, type, fn){
- if (element.addEventListener){
- element.addEventListener(type, fn, false);
- } else if (element.attachEvent){
- element.attachEvent('on' + type, fn);
- }
- return function() {
- qq.detach(element, type, fn)
- }
-};
-qq.detach = function(element, type, fn){
- if (element.removeEventListener){
- element.removeEventListener(type, fn, false);
- } else if (element.attachEvent){
- element.detachEvent('on' + type, fn);
- }
-};
-
-qq.preventDefault = function(e){
- if (e.preventDefault){
- e.preventDefault();
- } else{
- e.returnValue = false;
- }
-};
-
-//
-// Node manipulations
-
-/**
- * Insert node a before node b.
- */
-qq.insertBefore = function(a, b){
- b.parentNode.insertBefore(a, b);
-};
-qq.remove = function(element){
- element.parentNode.removeChild(element);
-};
-
-qq.contains = function(parent, descendant){
- // compareposition returns false in this case
- if (parent == descendant) return true;
-
- if (parent.contains){
- return parent.contains(descendant);
- } else {
- return !!(descendant.compareDocumentPosition(parent) & 8);
- }
-};
-
-/**
- * Creates and returns element from html string
- * Uses innerHTML to create an element
- */
-qq.toElement = (function(){
- var div = document.createElement('div');
- return function(html){
- div.innerHTML = html;
- var element = div.firstChild;
- div.removeChild(element);
- return element;
- };
-})();
-
-//
-// Node properties and attributes
-
-/**
- * Sets styles for an element.
- * Fixes opacity in IE6-8.
- */
-qq.css = function(element, styles){
- if (styles.opacity != null && typeof styles.opacity != 'undefined'){
- if (typeof element.style.opacity != 'string' && typeof(element.filters) != 'undefined'){
- styles.filter = 'alpha(opacity=' + Math.round(100 * styles.opacity) + ')';
- }
- }
- qq.extend(element.style, styles);
-};
-qq.hasClass = function(element, name){
- var re = new RegExp('(^| )' + name + '( |$)');
- return re.test(element.className);
-};
-qq.addClass = function(element, name){
- if (!qq.hasClass(element, name)){
- element.className += ' ' + name;
- }
-};
-qq.removeClass = function(element, name){
- var re = new RegExp('(^| )' + name + '( |$)');
- element.className = element.className.replace(re, ' ').replace(/^\s+|\s+$/g, "");
-};
-qq.setText = function(element, text){
- element.innerText = text;
- element.textContent = text;
-};
-
-//
-// Selecting elements
-
-qq.children = function(element){
- var children = [],
- child = element.firstChild;
-
- while (child){
- if (child.nodeType == 1){
- children.push(child);
- }
- child = child.nextSibling;
- }
-
- return children;
-};
-
-qq.getByClass = function(element, className){
- if (element.querySelectorAll){
- return element.querySelectorAll('.' + className);
- }
-
- var result = [];
- var candidates = element.getElementsByTagName("*");
- var len = candidates.length;
-
- for (var i = 0; i < len; i++){
- if (qq.hasClass(candidates[i], className)){
- result.push(candidates[i]);
- }
- }
- return result;
-};
-
-/**
- * obj2url() takes a json-object as argument and generates
- * a querystring. pretty much like jQuery.param()
- *
- * how to use:
- *
- * `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');`
- *
- * will result in:
- *
- * `http://any.url/upload?otherParam=value&a=b&c=d`
- *
- * @param Object JSON-Object
- * @param String current querystring-part
- * @return String encoded querystring
- */
-qq.obj2url = function(obj, temp, prefixDone){
- var uristrings = [],
- prefix = '&',
- add = function(nextObj, i){
- var nextTemp = temp
- ? (/\[\]$/.test(temp)) // prevent double-encoding
- ? temp
- : temp+'['+i+']'
- : i;
- if ((nextTemp != 'undefined') && (i != 'undefined')) {
- uristrings.push(
- (typeof nextObj === 'object')
- ? qq.obj2url(nextObj, nextTemp, true)
- : (Object.prototype.toString.call(nextObj) === '[object Function]')
- ? encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj())
- : encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj)
- );
- }
- };
-
- if (!prefixDone && temp) {
- prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? '' : '&' : '?';
- uristrings.push(temp);
- uristrings.push(qq.obj2url(obj));
- } else if ((Object.prototype.toString.call(obj) === '[object Array]') && (typeof obj != 'undefined') ) {
- // we wont use a for-in-loop on an array (performance)
- for (var i = 0, len = obj.length; i < len; ++i){
- add(obj[i], i);
- }
- } else if ((typeof obj != 'undefined') && (obj !== null) && (typeof obj === "object")){
- // for anything else but a scalar, we will use for-in-loop
- for (var i in obj){
- add(obj[i], i);
- }
- } else {
- uristrings.push(encodeURIComponent(temp) + '=' + encodeURIComponent(obj));
- }
-
- return uristrings.join(prefix)
- .replace(/^&/, '')
- .replace(/%20/g, '+');
-};
-
-//
-//
-// Uploader Classes
-//
-//
-
-var qq = qq || {};
-
-/**
- * Creates upload button, validates upload, but doesn't create file list or dd.
- */
-qq.FileUploaderBasic = function(o){
- this._options = {
- // set to true to see the server response
- debug: false,
- action: '/server/upload',
- params: {},
- customHeaders: {},
- button: null,
- multiple: true,
- maxConnections: 3,
- // validation
- allowedExtensions: [],
- acceptFiles: null, // comma separated string of mime-types for browser to display in browse dialog
- sizeLimit: 0,
- minSizeLimit: 0,
- abortOnFailure: true, // Fail all files if one doesn't meet the criteria
- // events
- // return false to cancel submit
- onSubmit: function(id, fileName){},
- onProgress: function(id, fileName, loaded, total){},
- onComplete: function(id, fileName, responseJSON){},
- onCancel: function(id, fileName){},
- onUpload: function(id, fileName, xhr){},
- onError: function(id, fileName, xhr) {},
- // messages
- messages: {
- typeError: "Unfortunately the file(s) you selected weren't the type we were expecting. Only {extensions} files are allowed.",
- sizeError: "{file} is too large, maximum file size is {sizeLimit}.",
- minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.",
- emptyError: "{file} is empty, please select files again without it.",
- onLeave: "The files are being uploaded, if you leave now the upload will be cancelled."
- },
- showMessage: function(message){
- alert(message);
- },
- inputName: 'qqfile',
- extraDropzones : []
- };
- qq.extend(this._options, o);
- qq.extend(this, qq.DisposeSupport);
-
- // number of files being uploaded
- this._filesInProgress = 0;
- this._handler = this._createUploadHandler();
-
- if (this._options.button){
- this._button = this._createUploadButton(this._options.button);
- }
-
- this._preventLeaveInProgress();
-};
-
-qq.FileUploaderBasic.prototype = {
- setParams: function(params){
- this._options.params = params;
- },
- getInProgress: function(){
- return this._filesInProgress;
- },
- _createUploadButton: function(element){
- var self = this;
-
- var button = new qq.UploadButton({
- element: element,
- multiple: this._options.multiple && qq.UploadHandlerXhr.isSupported(),
- acceptFiles: this._options.acceptFiles,
- onChange: function(input){
- self._onInputChange(input);
- }
- });
-
- this.addDisposer(function() { button.dispose(); });
- return button;
- },
- _createUploadHandler: function(){
- var self = this,
- handlerClass;
-
- if(qq.UploadHandlerXhr.isSupported()){
- handlerClass = 'UploadHandlerXhr';
- } else {
- handlerClass = 'UploadHandlerForm';
- }
-
- var handler = new qq[handlerClass]({
- debug: this._options.debug,
- action: this._options.action,
- encoding: this._options.encoding,
- maxConnections: this._options.maxConnections,
- customHeaders: this._options.customHeaders,
- inputName: this._options.inputName,
- extraDropzones: this._options.extraDropzones,
- onProgress: function(id, fileName, loaded, total){
- self._onProgress(id, fileName, loaded, total);
- self._options.onProgress(id, fileName, loaded, total);
- },
- onComplete: function(id, fileName, result){
- self._onComplete(id, fileName, result);
- self._options.onComplete(id, fileName, result);
- },
- onCancel: function(id, fileName){
- self._onCancel(id, fileName);
- self._options.onCancel(id, fileName);
- },
- onError: self._options.onError,
- onUpload: function(id, fileName, xhr){
- self._onUpload(id, fileName, xhr);
- self._options.onUpload(id, fileName, xhr);
- }
- });
-
- 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){
- this._filesInProgress++;
- },
- _onProgress: function(id, fileName, loaded, total){
- },
- _onComplete: function(id, fileName, result){
- this._filesInProgress--;
- if (result.error){
- this._options.showMessage(result.error);
- }
- },
- _onCancel: function(id, fileName){
- this._filesInProgress--;
- },
- _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();
- },
- _uploadFileList: function(files){
- var goodFiles = [];
- for (var i=0; i<files.length; i++){
- if (this._validateFile(files[i])){
- goodFiles.push(files[i]);
- } else {
- if (this._options.abortOnFailure) return;
- }
- }
-
- for (var i=0; i<goodFiles.length; i++){
- this._uploadFile(goodFiles[i]);
- }
- },
- _uploadFile: function(fileContainer){
- var id = this._handler.add(fileContainer);
- var fileName = this._handler.getName(id);
-
- if (this._options.onSubmit(id, fileName) !== false){
- this._onSubmit(id, fileName);
- this._handler.upload(id, this._options.params);
- }
- },
- _validateFile: function(file){
- var name, size;
-
- 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;
- size = (file.fileSize !== null && file.fileSize !== undefined) ? file.fileSize : file.size;
- }
-
- 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.sizeLimit && size > this._options.sizeLimit){
- this._error('sizeError', name);
- return false;
-
- } else if (size && size < this._options.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); }
-
- r('{file}', this._formatFileName(fileName));
- r('{extensions}', this._options.allowedExtensions.join(', '));
- r('{sizeLimit}', this._formatSize(this._options.sizeLimit));
- r('{minSizeLimit}', this._formatSize(this._options.minSizeLimit));
-
- this._options.showMessage(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.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];
- }
-};
-
-
-/**
- * Class that creates upload widget with drag-and-drop and file list
- * @inherits qq.FileUploaderBasic
- */
-qq.FileUploader = function(o){
- // call parent constructor
- qq.FileUploaderBasic.apply(this, arguments);
-
- // additional options
- qq.extend(this._options, {
- element: null,
- // if set, will be used instead of qq-upload-list in template
- listElement: null,
- dragText: 'Drop files here to upload',
- uploadButtonText: 'Upload a file',
- cancelButtonText: 'Cancel',
- failUploadText: 'Upload failed',
- hideShowDropArea: true,
-
- template: '<div class="qq-uploader">' +
- '<div class="qq-upload-drop-area"><span>{dragText}</span></div>' +
- '<div class="qq-upload-button">{uploadButtonText}</div>' +
- '<ul class="qq-upload-list"></ul>' +
- '</div>',
-
- // template for one item in file list
- fileTemplate: '<li>' +
- '<span class="qq-progress-bar"></span>' +
- '<span class="qq-upload-file"></span>' +
- '<span class="qq-upload-spinner"></span>' +
- '<span class="qq-upload-size"></span>' +
- '<a class="qq-upload-cancel" href="#">{cancelButtonText}</a>' +
- '<span class="qq-upload-failed-text">{failUploadtext}</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',
- size: 'qq-upload-size',
- cancel: 'qq-upload-cancel',
-
- // added to list item <li> when upload completes
- // used in css to hide progress spinner
- success: 'qq-upload-success',
- fail: 'qq-upload-fail'
- }
- });
- // overwrite options with user supplied
- qq.extend(this._options, o);
-
- // overwrite the upload button text if any
- // same for the Cancel button and Fail message text
- this._options.template = this._options.template.replace(/\{dragText\}/g, this._options.dragText);
- this._options.template = this._options.template.replace(/\{uploadButtonText\}/g, this._options.uploadButtonText);
- this._options.fileTemplate = this._options.fileTemplate.replace(/\{cancelButtonText\}/g, this._options.cancelButtonText);
- this._options.fileTemplate = this._options.fileTemplate.replace(/\{failUploadtext\}/g, this._options.failUploadText);
-
- 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;
-
- this._button = this._createUploadButton(this._find(this._element, 'button'));
-
- this._bindCancelEvent();
- this._setupDragDrop();
-};
-
-// inherit from Basic Uploader
-qq.extend(qq.FileUploader.prototype, qq.FileUploaderBasic.prototype);
-
-qq.extend(qq.FileUploader.prototype, {
- addExtraDropzone: function(element){
- this._setupExtraDropzone(element);
- },
- removeExtraDropzone: function(element){
- var dzs = this._options.extraDropzones;
- for(var i in dzs) if (dzs[i] === element) return this._options.extraDropzones.splice(i,1);
- },
- _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
- },
- /**
- * Gets one of the elements listed in this._options.classes
- **/
- _find: function(parent, type){
- var element = qq.getByClass(parent, this._options.classes[type])[0];
- if (!element){
- throw new Error('element not found ' + type);
- }
-
- return element;
- },
- _setupExtraDropzone: function(element){
- this._options.extraDropzones.push(element);
- this._setupDropzone(element);
- },
- _setupDropzone: function(dropArea){
- var self = this;
-
- var dz = new qq.UploadDropZone({
- element: dropArea,
- onEnter: function(e){
- qq.addClass(dropArea, self._classes.dropActive);
- e.stopPropagation();
- },
- onLeave: function(e){
- //e.stopPropagation();
- },
- onLeaveNotDescendants: function(e){
- qq.removeClass(dropArea, self._classes.dropActive);
- },
- onDrop: function(e){
- if (self._options.hideShowDropArea) {
- dropArea.style.display = 'none';
- }
- qq.removeClass(dropArea, self._classes.dropActive);
- self._uploadFileList(e.dataTransfer.files);
- }
- });
-
- this._dropZone = dz;
-
- this.addDisposer(function() { dz.dispose(); });
-
- if (this._options.hideShowDropArea) {
- dropArea.style.display = 'none';
- }
- },
- _setupDragDrop: function(){
- var dropArea = this._find(this._element, 'drop');
- var self = this;
- this._options.extraDropzones.push(dropArea);
-
- var dropzones = this._options.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
- // Any volunteers to enable & test this for IE10?
- if (!qq.ie()) {
- this._attach(document, 'dragenter', function(e){
- // console.log();
- if (!self._dropZone._isValidFileDrag(e)) return; // now causing error. Need it be here?
- if (qq.hasClass(dropArea, 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){
- var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);
- // only fire when leaving document out
- if (self._options.hideShowDropArea &&
- qq.FileUploader.prototype._leaving_document_out(e)) {
- for (i=0; i < dropzones.length; i++){ dropzones[i].style.display = 'none'; }
- }
- });
- qq.attach(document, 'drop', function(e){
- if (self._options.hideShowDropArea) {
- for (i=0; i < dropzones.length; i++){ dropzones[i].style.display = 'none'; }
- }
- e.preventDefault();
- });
- },
- _onSubmit: function(id, fileName){
- qq.FileUploaderBasic.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.FileUploaderBasic.prototype._onProgress.apply(this, arguments);
-
- var item = this._getItemByFileId(id);
- var size = this._find(item, 'size');
- size.style.display = 'inline';
-
- var text;
- var percent = Math.round(loaded / total * 100);
-
- if (loaded != total) {
- // If still uploading, display percentage
- text = percent + '% from ' + this._formatSize(total);
- } else {
- // If complete, just display final size
- text = this._formatSize(total);
- }
-
- // Update progress bar <span> tag
- this._find(item, 'progressBar').style.width = percent + '%';
-
- qq.setText(size, text);
- },
- _onComplete: function(id, fileName, result){
- qq.FileUploaderBasic.prototype._onComplete.apply(this, arguments);
-
- // mark completed
- var item = this._getItemByFileId(id);
- qq.remove(this._find(item, 'cancel'));
- qq.remove(this._find(item, 'spinner'));
-
- if (result.success){
- qq.addClass(item, this._classes.success);
- } else {
- qq.addClass(item, this._classes.fail);
- }
- },
- _addToList: function(id, fileName){
- var item = qq.toElement(this._options.fileTemplate);
- item.qqFileId = id;
-
- var fileElement = this._find(item, 'file');
- qq.setText(fileElement, this._formatFileName(fileName));
- this._find(item, 'size').style.display = 'none';
- if (!this._options.multiple) this._clearList();
- this._listElement.appendChild(item);
- },
- _clearList: function(){
- this._listElement.innerHTML = '';
- },
- _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;
- }
- },
- /**
- * delegate click event for cancel link
- **/
- _bindCancelEvent: 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.hasClass(target, self._classes.cancel)){
- qq.preventDefault(e);
-
- var item = target.parentNode;
- self._handler.cancel(item.qqFileId);
- qq.remove(item);
- }
- });
- }
-});
-
-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.attach(document, 'dragover', function(e){
- e.preventDefault();
- });
- } else {
- qq.attach(document, '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.contains(this, 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
- // IE10 should work, but currently has not been tested - any volunteers?
- if (qq.ie()) 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
- return dt && dt.effectAllowed != 'none' &&
- (dt.files || (!isSafari && dt.types.contains && dt.types.contains('Files')));
-
- }
-};
-
-qq.UploadButton = function(o){
- this._options = {
- element: null,
- // if set to true adds multiple attribute to file input
- multiple: false,
- acceptFiles: null,
- // name attribute of file input
- name: 'file',
- onChange: function(input){},
- hoverClass: 'qq-upload-button-hover',
- focusClass: 'qq-upload-button-focus'
- };
-
- qq.extend(this._options, o);
- qq.extend(this, qq.DisposeSupport);
-
- this._element = this._options.element;
-
- // make button suitable container for input
- qq.css(this._element, {
- position: 'relative',
- overflow: 'hidden',
- // Make sure browse button is in the right side
- // in Internet Explorer
- direction: 'ltr'
- });
-
- this._input = this._createInput();
-};
-
-qq.UploadButton.prototype = {
- /* returns file input element */
- getInput: function(){
- return this._input;
- },
- /* cleans/recreates the file input */
- reset: function(){
- if (this._input.parentNode){
- qq.remove(this._input);
- }
-
- qq.removeClass(this._element, this._options.focusClass);
- this._input = this._createInput();
- },
- _createInput: function(){
- var input = document.createElement("input");
-
- if (this._options.multiple){
- input.setAttribute("multiple", "multiple");
- }
-
- if (this._options.acceptFiles) input.setAttribute("accept", this._options.acceptFiles);
-
- input.setAttribute("type", "file");
- input.setAttribute("name", this._options.name);
-
- qq.css(input, {
- position: 'absolute',
- // in Opera only 'browse' button
- // is clickable and it is located at
- // the right side of the input
- right: 0,
- top: 0,
- fontFamily: 'Arial',
- // 4 persons reported this, the max values that worked for them were 243, 236, 236, 118
- fontSize: '118px',
- margin: 0,
- padding: 0,
- cursor: 'pointer',
- opacity: 0
- });
-
- this._element.appendChild(input);
-
- var self = this;
- this._attach(input, 'change', function(){
- self._options.onChange(input);
- });
-
- this._attach(input, 'mouseover', function(){
- qq.addClass(self._element, self._options.hoverClass);
- });
- this._attach(input, 'mouseout', function(){
- qq.removeClass(self._element, self._options.hoverClass);
- });
- this._attach(input, 'focus', function(){
- qq.addClass(self._element, self._options.focusClass);
- });
- this._attach(input, 'blur', function(){
- qq.removeClass(self._element, self._options.focusClass);
- });
-
- // IE and Opera, unfortunately have 2 tab stops on file input
- // which is unacceptable in our case, disable keyboard access
- if (window.attachEvent){
- // it is IE or Opera
- input.setAttribute('tabIndex', "-1");
- }
-
- return input;
- }
-};
-
-/**
- * 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,
- action: '/upload.php',
- // maximum number of concurrent uploads
- maxConnections: 999,
- onProgress: function(id, fileName, loaded, total){},
- onComplete: function(id, fileName, response){},
- onCancel: function(id, fileName){},
- onUpload: function(id, fileName, xhr){}
- };
- qq.extend(this._options, o);
-
- this._queue = [];
- // params for files in queue
- this._params = [];
-};
-qq.UploadHandlerAbstract.prototype = {
- log: function(str){
- if (this._options.debug && window.console) console.log('[uploader] ' + str);
- },
- /**
- * 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]);
- }
- },
- /**
- * Cancels file upload by id
- */
- cancel: function(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;
- },
- /**
- * 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]);
- }
- }
-};
-
-/**
- * Class for uploading files using form and iframe
- * @inherits qq.UploadHandlerAbstract
- */
-qq.UploadHandlerForm = function(o){
- qq.UploadHandlerAbstract.apply(this, arguments);
-
- this._inputs = {};
-};
-// @inherits qq.UploadHandlerAbstract
-qq.extend(qq.UploadHandlerForm.prototype, qq.UploadHandlerAbstract.prototype);
-
-qq.extend(qq.UploadHandlerForm.prototype, {
- _detach_event: new Object(),
- 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.remove(fileInput);
- }
-
- return id;
- },
- getName: function(id){
- // get input value and remove path to normalize
- return this._inputs[id].value.replace(/.*(\/|\\)/, "");
- },
- _cancel: function(id){
- this._options.onCancel(id, this.getName(id));
-
- delete this._inputs[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.remove(iframe);
- }
- },
- _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);
-
- 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);
-
- self._options.onComplete(id, fileName, response);
- self._dequeue(id);
-
- delete self._inputs[id];
- // timeout added to fix busy state in FF3.6
- setTimeout(function(){
- self._detach_event[iframe.id]();
- delete self._detach_event[iframe.id];
- qq.remove(iframe);
- }, 1);
- });
-
- form.submit();
- qq.remove(form);
-
- return id;
- },
- _attachLoadEvent: function(iframe, callback){
- this._detach_event[iframe.id] = qq.attach(iframe, 'load', function(){
- // when we remove iframe from dom
- // the request stops, but in IE load
- // event fires
- if (!iframe.parentNode){
- return;
- }
-
- // 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;
- }
-
- callback();
- });
- },
- /**
- * Returns json object received by iframe from server.
- */
- _getIframeContentJSON: function(iframe){
- // 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.slice(0, 5).toLowerCase() == '<pre>' && innerHTML.slice(-6).toLowerCase() == '</pre>') {
- innerHTML = doc.body.firstChild.firstChild.nodeValue;
- }
-
- try {
- response = eval("(" + innerHTML + ")");
- } catch(err){
- response = {};
- }
-
- 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 form = qq.toElement('<form method="post" enctype="multipart/form-data"></form>');
-
- var queryString = qq.obj2url(params, this._options.action);
-
- 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;
- },
- /**
- * 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.action);
-
- xhr.open("POST", queryString, true);
- xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
- xhr.setRequestHeader("X-File-Name", encodeURIComponent(name));
- if (this._options.encoding == 'multipart') {
- 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]);
- };
- xhr.send(file);
- },
- _onComplete: function(id, xhr){
- // the request was aborted/cancelled
- if (!this._files[id]) return;
-
- var name = this.getName(id);
- var size = this.getSize(id);
-
- this._options.onProgress(id, name, size, size);
-
- if (xhr.status == 200){
- this.log("xhr - server response received");
- this.log("responseText = " + xhr.responseText);
-
- var response;
-
- try {
- response = eval("(" + xhr.responseText + ")");
- } catch(err){
- response = {};
- }
-
- this._options.onComplete(id, name, response);
-
- } else {
- this._options.onError(id, name, xhr);
- this._options.onComplete(id, name, {});
- }
-
- this._files[id] = null;
- 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;
- }
- }
-});
-
-/**
- * A generic module which supports object disposing in dispose() method.
- * */
-qq.DisposeSupport = {
- _disposers: [],
-
- /** Run all registered disposers */
- dispose: function() {
- var disposer;
- while (disposer = this._disposers.shift()) {
- disposer();
- }
- },
-
- /** Add disposer to the collection */
- addDisposer: function(disposeFunction) {
- this._disposers.push(disposeFunction);
- },
-
- /** Attach event handler and register de-attacher as a disposer */
- _attach: function() {
- this.addDisposer(qq.attach.apply(this, arguments));
- }
-};
-
OSDN Git Service
