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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: {},
paramsInBody: true,
customHeaders: {},
forceMultipart: true,
inputName: 'qqfile',
uuidName: 'qquuid',
totalFileSizeName: 'qqtotalfilesize'
},
validation: {
allowedExtensions: [],
sizeLimit: 0,
minSizeLimit: 0,
stopOnFirstInvalidFile: true
},
callbacks: {
onSubmit: function(id, name){},
onComplete: function(id, name, responseJSON){},
onCancel: function(id, name){},
onUpload: function(id, name){},
onUploadChunk: function(id, name, chunkData){},
onResume: function(id, fileName, chunkData){},
onProgress: function(id, name, loaded, total){},
onError: function(id, name, reason) {},
onAutoRetry: function(id, name, attemptNumber) {},
onManualRetry: function(id, name) {},
onValidateBatch: function(fileOrBlobData) {},
onValidate: function(fileOrBlobData) {},
onSubmitDelete: function(id) {},
onDelete: function(id){},
onDeleteComplete: function(id, xhr, isError){}
},
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'
},
classes: {
buttonHover: 'qq-upload-button-hover',
buttonFocus: 'qq-upload-button-focus'
},
chunking: {
enabled: false,
partSize: 2000000,
paramNames: {
partIndex: 'qqpartindex',
partByteOffset: 'qqpartbyteoffset',
chunkSize: 'qqchunksize',
totalFileSize: 'qqtotalfilesize',
totalParts: 'qqtotalparts',
filename: 'qqfilename'
}
},
resume: {
enabled: false,
id: null,
cookiesExpireIn: 7, //days
paramNames: {
resuming: "qqresume"
}
},
formatFileName: function(fileOrBlobName) {
if (fileOrBlobName.length > 33) {
fileOrBlobName = fileOrBlobName.slice(0, 19) + '...' + fileOrBlobName.slice(-14);
}
return fileOrBlobName;
},
text: {
sizeSymbols: ['kB', 'MB', 'GB', 'TB', 'PB', 'EB']
},
deleteFile : {
enabled: false,
endpoint: '/server/upload',
customHeaders: {},
params: {}
},
cors: {
expected: false,
sendCredentials: false
},
blobs: {
defaultName: 'Misc data',
paramNames: {
name: 'qqblobname'
}
}
};
qq.extend(this._options, o, true);
this._wrapCallbacks();
this._disposeSupport = new qq.DisposeSupport();
// number of files being uploaded
this._filesInProgress = [];
this._storedIds = [];
this._autoRetries = [];
this._retryTimeouts = [];
this._preventRetries = [];
this._paramsStore = this._createParamsStore("request");
this._deleteFileParamsStore = this._createParamsStore("deleteFile");
this._endpointStore = this._createEndpointStore("request");
this._deleteFileEndpointStore = this._createEndpointStore("deleteFile");
this._handler = this._createUploadHandler();
this._deleteHandler = this._createDeleteHandler();
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, id) {
/*jshint eqeqeq: true, eqnull: true*/
if (id == null) {
this._options.request.params = params;
}
else {
this._paramsStore.setParams(params, id);
}
},
setDeleteFileParams: function(params, id) {
/*jshint eqeqeq: true, eqnull: true*/
if (id == null) {
this._options.deleteFile.params = params;
}
else {
this._deleteFileParamsStore.setParams(params, id);
}
},
setEndpoint: function(endpoint, id) {
/*jshint eqeqeq: true, eqnull: true*/
if (id == null) {
this._options.request.endpoint = endpoint;
}
else {
this._endpointStore.setEndpoint(endpoint, id);
}
},
getInProgress: function(){
return this._filesInProgress.length;
},
uploadStoredFiles: function(){
"use strict";
var idToUpload;
while(this._storedIds.length) {
idToUpload = this._storedIds.shift();
this._filesInProgress.push(idToUpload);
this._handler.upload(idToUpload);
}
},
clearStoredFiles: function(){
this._storedIds = [];
},
retry: function(id) {
if (this._onBeforeManualRetry(id)) {
this._handler.retry(id);
return true;
}
else {
return false;
}
},
cancel: function(id) {
this._handler.cancel(id);
},
cancelAll: function() {
var storedIdsCopy = [],
self = this;
qq.extend(storedIdsCopy, this._storedIds);
qq.each(storedIdsCopy, function(idx, storedFileId) {
self.cancel(storedFileId);
});
this._handler.cancelAll();
},
reset: function() {
this.log("Resetting uploader...");
this._handler.reset();
this._filesInProgress = [];
this._storedIds = [];
this._autoRetries = [];
this._retryTimeouts = [];
this._preventRetries = [];
this._button.reset();
this._paramsStore.reset();
this._endpointStore.reset();
},
addFiles: function(filesBlobDataOrInputs) {
var self = this,
verifiedFilesOrInputs = [],
index, fileOrInput;
if (filesBlobDataOrInputs) {
if (!window.FileList || !(filesBlobDataOrInputs instanceof FileList)) {
filesBlobDataOrInputs = [].concat(filesBlobDataOrInputs);
}
for (index = 0; index < filesBlobDataOrInputs.length; index+=1) {
fileOrInput = filesBlobDataOrInputs[index];
if (qq.isFileOrInput(fileOrInput)) {
verifiedFilesOrInputs.push(fileOrInput);
}
else {
self.log(fileOrInput + ' is not a File or INPUT element! Ignoring!', 'warn');
}
}
this.log('Processing ' + verifiedFilesOrInputs.length + ' files or inputs...');
this._uploadFileOrBlobDataList(verifiedFilesOrInputs);
}
},
addBlobs: function(blobDataOrArray) {
if (blobDataOrArray) {
var blobDataArray = [].concat(blobDataOrArray),
verifiedBlobDataList = [],
self = this;
qq.each(blobDataArray, function(idx, blobData) {
if (qq.isBlob(blobData) && !qq.isFileOrInput(blobData)) {
verifiedBlobDataList.push({
blob: blobData,
name: self._options.blobs.defaultName
});
}
else if (qq.isObject(blobData) && blobData.blob && blobData.name) {
verifiedBlobDataList.push(blobData);
}
else {
self.log("addBlobs: entry at index " + idx + " is not a Blob or a BlobData object", "error");
}
});
this._uploadFileOrBlobDataList(verifiedBlobDataList);
}
else {
this.log("undefined or non-array parameter passed into addBlobs", "error");
}
},
getUuid: function(id) {
return this._handler.getUuid(id);
},
getResumableFilesData: function() {
return this._handler.getResumableFilesData();
},
getSize: function(id) {
return this._handler.getSize(id);
},
getFile: function(fileOrBlobId) {
return this._handler.getFile(fileOrBlobId);
},
deleteFile: function(id) {
this._onSubmitDelete(id);
},
setDeleteFileEndpoint: function(endpoint, id) {
/*jshint eqeqeq: true, eqnull: true*/
if (id == null) {
this._options.deleteFile.endpoint = endpoint;
}
else {
this._deleteFileEndpointStore.setEndpoint(endpoint, id);
}
},
_createUploadButton: function(element){
var self = this;
var button = new qq.UploadButton({
element: element,
multiple: this._options.multiple && qq.isXhrUploadSupported(),
acceptFiles: this._options.validation.acceptFiles,
onChange: function(input){
self._onInputChange(input);
},
hoverClass: this._options.classes.buttonHover,
focusClass: this._options.classes.buttonFocus
});
this._disposeSupport.addDisposer(function() { button.dispose(); });
return button;
},
_createUploadHandler: function(){
var self = this;
return new qq.UploadHandler({
debug: this._options.debug,
forceMultipart: this._options.request.forceMultipart,
maxConnections: this._options.maxConnections,
customHeaders: this._options.request.customHeaders,
inputName: this._options.request.inputName,
uuidParamName: this._options.request.uuidName,
totalFileSizeParamName: this._options.request.totalFileSizeName,
cors: this._options.cors,
demoMode: this._options.demoMode,
paramsInBody: this._options.request.paramsInBody,
paramsStore: this._paramsStore,
endpointStore: this._endpointStore,
chunking: this._options.chunking,
resume: this._options.resume,
blobs: this._options.blobs,
log: function(str, level) {
self.log(str, level);
},
onProgress: function(id, name, loaded, total){
self._onProgress(id, name, loaded, total);
self._options.callbacks.onProgress(id, name, loaded, total);
},
onComplete: function(id, name, result, xhr){
self._onComplete(id, name, result, xhr);
self._options.callbacks.onComplete(id, name, result);
},
onCancel: function(id, name){
self._onCancel(id, name);
self._options.callbacks.onCancel(id, name);
},
onUpload: function(id, name){
self._onUpload(id, name);
self._options.callbacks.onUpload(id, name);
},
onUploadChunk: function(id, name, chunkData){
self._options.callbacks.onUploadChunk(id, name, chunkData);
},
onResume: function(id, name, chunkData) {
return self._options.callbacks.onResume(id, name, chunkData);
},
onAutoRetry: function(id, name, responseJSON, xhr) {
self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty];
if (self._shouldAutoRetry(id, name, responseJSON)) {
self._maybeParseAndSendUploadError(id, name, responseJSON, xhr);
self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id] + 1);
self._onBeforeAutoRetry(id, name);
self._retryTimeouts[id] = setTimeout(function() {
self._onAutoRetry(id, name, responseJSON)
}, self._options.retry.autoAttemptDelay * 1000);
return true;
}
else {
return false;
}
}
});
},
_createDeleteHandler: function() {
var self = this;
return new qq.DeleteFileAjaxRequestor({
maxConnections: this._options.maxConnections,
customHeaders: this._options.deleteFile.customHeaders,
paramsStore: this._deleteFileParamsStore,
endpointStore: this._deleteFileEndpointStore,
demoMode: this._options.demoMode,
cors: this._options.cors,
log: function(str, level) {
self.log(str, level);
},
onDelete: function(id) {
self._onDelete(id);
self._options.callbacks.onDelete(id);
},
onDeleteComplete: function(id, xhr, isError) {
self._onDeleteComplete(id, xhr, isError);
self._options.callbacks.onDeleteComplete(id, xhr, isError);
}
});
},
_preventLeaveInProgress: function(){
var self = this;
this._disposeSupport.attach(window, 'beforeunload', function(e){
if (!self._filesInProgress.length){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, name){
if (this._options.autoUpload) {
this._filesInProgress.push(id);
}
},
_onProgress: function(id, name, loaded, total){
},
_onComplete: function(id, name, result, xhr){
this._removeFromFilesInProgress(id);
this._maybeParseAndSendUploadError(id, name, result, xhr);
},
_onCancel: function(id, name){
this._removeFromFilesInProgress(id);
clearTimeout(this._retryTimeouts[id]);
var storedItemIndex = qq.indexOf(this._storedIds, id);
if (!this._options.autoUpload && storedItemIndex >= 0) {
this._storedIds.splice(storedItemIndex, 1);
}
},
_isDeletePossible: function() {
return (this._options.deleteFile.enabled &&
(!this._options.cors.expected ||
(this._options.cors.expected && (qq.ie10() || !qq.ie()))
)
);
},
_onSubmitDelete: function(id) {
if (this._isDeletePossible()) {
if (this._options.callbacks.onSubmitDelete(id)) {
this._deleteHandler.sendDelete(id, this.getUuid(id));
}
}
else {
this.log("Delete request ignored for ID " + id + ", delete feature is disabled or request not possible " +
"due to CORS on a user agent that does not support pre-flighting.", "warn");
return false;
}
},
_onDelete: function(fileId) {},
_onDeleteComplete: function(id, xhr, isError) {
var name = this._handler.getName(id);
if (isError) {
this.log("Delete request for '" + name + "' has failed.", "error");
this._options.callbacks.onError(id, name, "Delete request failed with response code " + xhr.status);
}
else {
this.log("Delete request for '" + name + "' has succeeded.");
}
},
_removeFromFilesInProgress: function(id) {
var index = qq.indexOf(this._filesInProgress, id);
if (index >= 0) {
this._filesInProgress.splice(index, 1);
}
},
_onUpload: function(id, name){},
_onInputChange: function(input){
if (qq.isXhrUploadSupported()){
this.addFiles(input.files);
} else {
this.addFiles(input);
}
this._button.reset();
},
_onBeforeAutoRetry: function(id, name) {
this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + name + "...");
},
_onAutoRetry: function(id, name, responseJSON) {
this.log("Retrying " + name + "...");
this._autoRetries[id]++;
this._handler.retry(id);
},
_shouldAutoRetry: function(id, name, 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.push(id);
return true;
}
else {
this.log("'" + id + "' is not a valid file ID", 'error');
return false;
}
},
_maybeParseAndSendUploadError: function(id, name, 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, name, "XHR returned response code " + xhr.status);
}
else {
var errorReason = response.error ? response.error : "Upload failure reason unknown";
this._options.callbacks.onError(id, name, errorReason);
}
}
},
_uploadFileOrBlobDataList: function(fileOrBlobDataList){
var validationDescriptors, index, batchInvalid;
validationDescriptors = this._getValidationDescriptors(fileOrBlobDataList);
batchInvalid = this._options.callbacks.onValidateBatch(validationDescriptors) === false;
if (!batchInvalid) {
if (fileOrBlobDataList.length > 0) {
for (index = 0; index < fileOrBlobDataList.length; index++){
if (this._validateFileOrBlobData(fileOrBlobDataList[index])){
this._upload(fileOrBlobDataList[index]);
} else {
if (this._options.validation.stopOnFirstInvalidFile){
return;
}
}
}
}
else {
this._error('noFilesError', "");
}
}
},
_upload: function(blobOrFileContainer){
var id = this._handler.add(blobOrFileContainer);
var name = this._handler.getName(id);
if (this._options.callbacks.onSubmit(id, name) !== false){
this._onSubmit(id, name);
if (this._options.autoUpload) {
this._handler.upload(id);
}
else {
this._storeForLater(id);
}
}
},
_storeForLater: function(id) {
this._storedIds.push(id);
},
_validateFileOrBlobData: function(fileOrBlobData){
var validationDescriptor, name, size;
validationDescriptor = this._getValidationDescriptor(fileOrBlobData);
name = validationDescriptor.name;
size = validationDescriptor.size;
if (this._options.callbacks.onValidate(validationDescriptor) === false) {
return false;
}
if (qq.isFileOrInput(fileOrBlobData) && !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, name){
var message = this._options.messages[code];
function r(name, replacement){ message = message.replace(name, replacement); }
var extensions = this._options.validation.allowedExtensions.join(', ').toLowerCase();
r('{file}', this._options.formatFileName(name));
r('{extensions}', extensions);
r('{sizeLimit}', this._formatSize(this._options.validation.sizeLimit));
r('{minSizeLimit}', this._formatSize(this._options.validation.minSizeLimit));
this._options.callbacks.onError(null, name, message);
return message;
},
_isAllowedExtension: function(fileName){
var allowed = this._options.validation.allowedExtensions,
valid = false;
if (!allowed.length) {
return true;
}
qq.each(allowed, function(idx, allowedExt) {
/*jshint eqeqeq: true, eqnull: true*/
var extRegex = new RegExp('\\.' + allowedExt + "$", 'i');
if (fileName.match(extRegex) != null) {
valid = true;
return false;
}
});
return valid;
},
_formatSize: function(bytes){
var i = -1;
do {
bytes = bytes / 1024;
i++;
} while (bytes > 99);
return Math.max(bytes, 0.1).toFixed(1) + this._options.text.sizeSymbols[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.message, 'error');
}
}
for (var prop in this._options.callbacks) {
(function() {
var callbackName, callbackFunc;
callbackName = prop;
callbackFunc = self._options.callbacks[callbackName];
self._options.callbacks[callbackName] = function() {
return safeCallback(callbackName, callbackFunc, arguments);
}
}());
}
},
_parseFileOrBlobDataName: function(fileOrBlobData) {
var name;
if (qq.isFileOrInput(fileOrBlobData)) {
if (fileOrBlobData.value) {
// it is a file input
// get input value and remove path to normalize
name = fileOrBlobData.value.replace(/.*(\/|\\)/, "");
} else {
// fix missing properties in Safari 4 and firefox 11.0a2
name = (fileOrBlobData.fileName !== null && fileOrBlobData.fileName !== undefined) ? fileOrBlobData.fileName : fileOrBlobData.name;
}
}
else {
name = fileOrBlobData.name;
}
return name;
},
_parseFileOrBlobDataSize: function(fileOrBlobData) {
var size;
if (qq.isFileOrInput(fileOrBlobData)) {
if (!fileOrBlobData.value){
// fix missing properties in Safari 4 and firefox 11.0a2
size = (fileOrBlobData.fileSize !== null && fileOrBlobData.fileSize !== undefined) ? fileOrBlobData.fileSize : fileOrBlobData.size;
}
}
else {
size = fileOrBlobData.blob.size;
}
return size;
},
_getValidationDescriptor: function(fileOrBlobData) {
var name, size, fileDescriptor;
fileDescriptor = {};
name = this._parseFileOrBlobDataName(fileOrBlobData);
size = this._parseFileOrBlobDataSize(fileOrBlobData);
fileDescriptor.name = name;
if (size) {
fileDescriptor.size = size;
}
return fileDescriptor;
},
_getValidationDescriptors: function(files) {
var self = this,
fileDescriptors = [];
qq.each(files, function(idx, file) {
fileDescriptors.push(self._getValidationDescriptor(file));
});
return fileDescriptors;
},
_createParamsStore: function(type) {
var paramsStore = {},
self = this;
return {
setParams: function(params, id) {
var paramsCopy = {};
qq.extend(paramsCopy, params);
paramsStore[id] = paramsCopy;
},
getParams: function(id) {
/*jshint eqeqeq: true, eqnull: true*/
var paramsCopy = {};
if (id != null && paramsStore[id]) {
qq.extend(paramsCopy, paramsStore[id]);
}
else {
qq.extend(paramsCopy, self._options[type].params);
}
return paramsCopy;
},
remove: function(fileId) {
return delete paramsStore[fileId];
},
reset: function() {
paramsStore = {};
}
};
},
_createEndpointStore: function(type) {
var endpointStore = {},
self = this;
return {
setEndpoint: function(endpoint, id) {
endpointStore[id] = endpoint;
},
getEndpoint: function(id) {
/*jshint eqeqeq: true, eqnull: true*/
if (id != null && endpointStore[id]) {
return endpointStore[id];
}
return self._options[type].endpoint;
},
remove: function(fileId) {
return delete endpointStore[fileId];
},
reset: function() {
endpointStore = {};
}
};
}
};