app/assets/javascripts/app/lib/base/jquery.fineuploader-3.0.js
/**
* http://github.com/Valums-File-Uploader/file-uploader
*
* Multiple file upload component with progress-bar, drag-and-drop, support for all modern browsers.
*
* Original version: 1.0 © 2010 Andrew Valums ( andrew(at)valums.com )
* Current Maintainer (2.0+): © 2012, Ray Nicholus ( fineuploader(at)garstasio.com )
*
* Licensed under MIT license, GNU GPL 2 or later, GNU LGPL 2 or later, see license.txt.
*/
var qq = qq || {};
var qq = function(element) {
"use strict";
return {
hide: function() {
element.style.display = 'none';
return this;
},
/** Returns the function which detaches attached event */
attach: function(type, fn) {
if (element.addEventListener){
element.addEventListener(type, fn, false);
} else if (element.attachEvent){
element.attachEvent('on' + type, fn);
}
return function() {
qq(element).detach(type, fn);
};
},
detach: function(type, fn) {
if (element.removeEventListener){
element.removeEventListener(type, fn, false);
} else if (element.attachEvent){
element.detachEvent('on' + type, fn);
}
return this;
},
contains: function(descendant) {
// compareposition returns false in this case
if (element == descendant) {
return true;
}
if (element.contains){
return element.contains(descendant);
} else {
return !!(descendant.compareDocumentPosition(element) & 8);
}
},
/**
* Insert this element before elementB.
*/
insertBefore: function(elementB) {
elementB.parentNode.insertBefore(element, elementB);
return this;
},
remove: function() {
element.parentNode.removeChild(element);
return this;
},
/**
* Sets styles for an element.
* Fixes opacity in IE6-8.
*/
css: function(styles) {
if (styles.opacity != null){
if (typeof element.style.opacity != 'string' && typeof(element.filters) != 'undefined'){
styles.filter = 'alpha(opacity=' + Math.round(100 * styles.opacity) + ')';
}
}
qq.extend(element.style, styles);
return this;
},
hasClass: function(name) {
var re = new RegExp('(^| )' + name + '( |$)');
return re.test(element.className);
},
addClass: function(name) {
if (!qq(element).hasClass(name)){
element.className += ' ' + name;
}
return this;
},
removeClass: function(name) {
var re = new RegExp('(^| )' + name + '( |$)');
element.className = element.className.replace(re, ' ').replace(/^\s+|\s+$/g, "");
return this;
},
getByClass: function(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(candidates[i]).hasClass(className)){
result.push(candidates[i]);
}
}
return result;
},
children: function() {
var children = [],
child = element.firstChild;
while (child){
if (child.nodeType == 1){
children.push(child);
}
child = child.nextSibling;
}
return children;
},
setText: function(text) {
element.innerText = text;
element.textContent = text;
return this;
},
clearText: function() {
return qq(element).setText("");
}
};
};
qq.log = function(message, level) {
// -start- add logger
if (App && App.Log) {
App.Log.debug(this._name, arguments)
}
// -end- add logger
if (window.console) {
if (!level || level === 'info') {
window.console.log(message);
}
else
{
if (window.console[level]) {
window.console[level](message);
}
else {
window.console.log('<' + level + '> ' + message);
}
}
}
};
qq.isObject = function(variable) {
"use strict";
return variable !== null && variable && typeof(variable) === "object" && variable.constructor === Object;
};
qq.extend = function (first, second, extendNested) {
"use strict";
var prop;
for (prop in second) {
if (second.hasOwnProperty(prop)) {
if (extendNested && qq.isObject(second[prop])) {
if (first[prop] === undefined) {
first[prop] = {};
}
qq.extend(first[prop], second[prop], true);
}
else {
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.ie10 = function(){ return navigator.userAgent.indexOf('MSIE 10') != -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
qq.preventDefault = function(e){
if (e.preventDefault){
e.preventDefault();
} else{
e.returnValue = false;
}
};
/**
* 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;
};
})();
/**
* 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));
}
if (temp) {
return uristrings.join(prefix);
} else {
return uristrings.join(prefix)
.replace(/^&/, '')
.replace(/%20/g, '+');
}
};
/**
* 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(arguments[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1)));
}
};
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(this._element).css({
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(this._input).remove();
}
qq(this._element).removeClass(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(input).css({
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(self._element).addClass(self._options.hoverClass);
});
this._attach(input, 'mouseout', function(){
qq(self._element).removeClass(self._options.hoverClass);
});
this._attach(input, 'focus', function(){
qq(self._element).addClass(self._options.focusClass);
});
this._attach(input, 'blur', function(){
qq(self._element).removeClass(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;
}
};
qq.FineUploaderBasic = function(o){
var that = this;
this._options = {
debug: false,
button: null,
multiple: true,
maxConnections: 3,
disableCancelForFormUploads: false,
autoUpload: true,
request: {
endpoint: '/server/upload',
params: {},
customHeaders: {},
forceMultipart: false,
inputName: 'qqfile'
},
validation: {
allowedExtensions: [],
sizeLimit: 0,
minSizeLimit: 0,
stopOnFirstInvalidFile: true
},
callbacks: {
onSubmit: function(id, fileName){}, // return false to cancel submit
onComplete: function(id, fileName, responseJSON){},
onCancel: function(id, fileName){},
onUpload: function(id, fileName, xhr){},
onProgress: function(id, fileName, loaded, total){},
onError: function(id, fileName, reason) {},
onAutoRetry: function(id, fileName, attemptNumber) {},
onManualRetry: function(id, fileName) {},
onValidate: function(fileData) {} // return false to prevent upload
},
messages: {
typeError: "{file} has an invalid extension. Valid extension(s): {extensions}.",
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.",
noFilesError: "No files to upload.",
onLeave: "The files are being uploaded, if you leave now the upload will be cancelled."
},
retry: {
enableAuto: false,
maxAutoAttempts: 3,
autoAttemptDelay: 5,
preventRetryResponseProperty: 'preventRetry'
}
};
qq.extend(this._options, o, true);
this._wrapCallbacks();
qq.extend(this, qq.DisposeSupport);
// number of files being uploaded
this._filesInProgress = 0;
this._storedFileIds = [];
this._autoRetries = [];
this._retryTimeouts = [];
this._preventRetries = [];
this._handler = this._createUploadHandler();
if (this._options.button){
this._button = this._createUploadButton(this._options.button);
}
this._preventLeaveInProgress();
};
qq.FineUploaderBasic.prototype = {
log: function(str, level) {
if (this._options.debug && (!level || level === 'info')) {
qq.log('[FineUploader] ' + str);
}
else if (level && level !== 'info') {
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++;
this._handler.upload(this._storedFileIds.shift(), this._options.request.params);
}
},
clearStoredFiles: function(){
this._storedFileIds = [];
},
retry: function(id) {
if (this._onBeforeManualRetry(id)) {
this._handler.retry(id);
return true;
}
else {
return false;
}
},
cancel: function(fileId) {
this._handler.cancel(fileId);
},
reset: function() {
this.log("Resetting uploader...");
this._handler.reset();
this._filesInProgress = 0;
this._storedFileIds = [];
this._autoRetries = [];
this._retryTimeouts = [];
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);
}
});
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,
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 (Array.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));