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+/*
+ * jQuery File Upload Plugin 5.40.0
+ * https://github.com/blueimp/jQuery-File-Upload
+ *
+ * Copyright 2010, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * http://www.opensource.org/licenses/MIT
+ */
+
+/* jshint nomen:false */
+/* global define, window, document, location, Blob, FormData */
+
+(function (factory) {
+ 'use strict';
+ if (typeof define === 'function' && define.amd) {
+ // Register as an anonymous AMD module:
+ define([
+ 'jquery',
+ 'jquery.ui.widget'
+ ], factory);
+ } else {
+ // Browser globals:
+ factory(window.jQuery);
+ }
+}(function ($) {
+ 'use strict';
+
+ // Detect file input support, based on
+ // http://viljamis.com/blog/2012/file-upload-support-on-mobile/
+ $.support.fileInput = !(new RegExp(
+ // Handle devices which give false positives for the feature detection:
+ '(Android (1\\.[0156]|2\\.[01]))' +
+ '|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' +
+ '|(w(eb)?OSBrowser)|(webOS)' +
+ '|(Kindle/(1\\.0|2\\.[05]|3\\.0))'
+ ).test(window.navigator.userAgent) ||
+ // Feature detection for all other devices:
+ $('<input type="file">').prop('disabled'));
+
+ // The FileReader API is not actually used, but works as feature detection,
+ // as some Safari versions (5?) support XHR file uploads via the FormData API,
+ // but not non-multipart XHR file uploads.
+ // window.XMLHttpRequestUpload is not available on IE10, so we check for
+ // window.ProgressEvent instead to detect XHR2 file upload capability:
+ $.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader);
+ $.support.xhrFormDataFileUpload = !!window.FormData;
+
+ // Detect support for Blob slicing (required for chunked uploads):
+ $.support.blobSlice = window.Blob && (Blob.prototype.slice ||
+ Blob.prototype.webkitSlice || Blob.prototype.mozSlice);
+
+ // The fileupload widget listens for change events on file input fields defined
+ // via fileInput setting and paste or drop events of the given dropZone.
+ // In addition to the default jQuery Widget methods, the fileupload widget
+ // exposes the "add" and "send" methods, to add or directly send files using
+ // the fileupload API.
+ // By default, files added via file input selection, paste, drag & drop or
+ // "add" method are uploaded immediately, but it is possible to override
+ // the "add" callback option to queue file uploads.
+ $.widget('blueimp.fileupload', {
+
+ options: {
+ // The drop target element(s), by the default the complete document.
+ // Set to null to disable drag & drop support:
+ dropZone: $(document),
+ // The paste target element(s), by the default the complete document.
+ // Set to null to disable paste support:
+ pasteZone: $(document),
+ // The file input field(s), that are listened to for change events.
+ // If undefined, it is set to the file input fields inside
+ // of the widget element on plugin initialization.
+ // Set to null to disable the change listener.
+ fileInput: undefined,
+ // By default, the file input field is replaced with a clone after
+ // each input field change event. This is required for iframe transport
+ // queues and allows change events to be fired for the same file
+ // selection, but can be disabled by setting the following option to false:
+ replaceFileInput: true,
+ // The parameter name for the file form data (the request argument name).
+ // If undefined or empty, the name property of the file input field is
+ // used, or "files[]" if the file input name property is also empty,
+ // can be a string or an array of strings:
+ paramName: undefined,
+ // By default, each file of a selection is uploaded using an individual
+ // request for XHR type uploads. Set to false to upload file
+ // selections in one request each:
+ singleFileUploads: true,
+ // To limit the number of files uploaded with one XHR request,
+ // set the following option to an integer greater than 0:
+ limitMultiFileUploads: undefined,
+ // The following option limits the number of files uploaded with one
+ // XHR request to keep the request size under or equal to the defined
+ // limit in bytes:
+ limitMultiFileUploadSize: undefined,
+ // Multipart file uploads add a number of bytes to each uploaded file,
+ // therefore the following option adds an overhead for each file used
+ // in the limitMultiFileUploadSize configuration:
+ limitMultiFileUploadSizeOverhead: 512,
+ // Set the following option to true to issue all file upload requests
+ // in a sequential order:
+ sequentialUploads: false,
+ // To limit the number of concurrent uploads,
+ // set the following option to an integer greater than 0:
+ limitConcurrentUploads: undefined,
+ // Set the following option to true to force iframe transport uploads:
+ forceIframeTransport: false,
+ // Set the following option to the location of a redirect url on the
+ // origin server, for cross-domain iframe transport uploads:
+ redirect: undefined,
+ // The parameter name for the redirect url, sent as part of the form
+ // data and set to 'redirect' if this option is empty:
+ redirectParamName: undefined,
+ // Set the following option to the location of a postMessage window,
+ // to enable postMessage transport uploads:
+ postMessage: undefined,
+ // By default, XHR file uploads are sent as multipart/form-data.
+ // The iframe transport is always using multipart/form-data.
+ // Set to false to enable non-multipart XHR uploads:
+ multipart: true,
+ // To upload large files in smaller chunks, set the following option
+ // to a preferred maximum chunk size. If set to 0, null or undefined,
+ // or the browser does not support the required Blob API, files will
+ // be uploaded as a whole.
+ maxChunkSize: undefined,
+ // When a non-multipart upload or a chunked multipart upload has been
+ // aborted, this option can be used to resume the upload by setting
+ // it to the size of the already uploaded bytes. This option is most
+ // useful when modifying the options object inside of the "add" or
+ // "send" callbacks, as the options are cloned for each file upload.
+ uploadedBytes: undefined,
+ // By default, failed (abort or error) file uploads are removed from the
+ // global progress calculation. Set the following option to false to
+ // prevent recalculating the global progress data:
+ recalculateProgress: true,
+ // Interval in milliseconds to calculate and trigger progress events:
+ progressInterval: 100,
+ // Interval in milliseconds to calculate progress bitrate:
+ bitrateInterval: 500,
+ // By default, uploads are started automatically when adding files:
+ autoUpload: true,
+
+ // Error and info messages:
+ messages: {
+ uploadedBytes: 'Uploaded bytes exceed file size'
+ },
+
+ // Translation function, gets the message key to be translated
+ // and an object with context specific data as arguments:
+ i18n: function (message, context) {
+ message = this.messages[message] || message.toString();
+ if (context) {
+ $.each(context, function (key, value) {
+ message = message.replace('{' + key + '}', value);
+ });
+ }
+ return message;
+ },
+
+ // Additional form data to be sent along with the file uploads can be set
+ // using this option, which accepts an array of objects with name and
+ // value properties, a function returning such an array, a FormData
+ // object (for XHR file uploads), or a simple object.
+ // The form of the first fileInput is given as parameter to the function:
+ formData: function (form) {
+ return form.serializeArray();
+ },
+
+ // The add callback is invoked as soon as files are added to the fileupload
+ // widget (via file input selection, drag & drop, paste or add API call).
+ // If the singleFileUploads option is enabled, this callback will be
+ // called once for each file in the selection for XHR file uploads, else
+ // once for each file selection.
+ //
+ // The upload starts when the submit method is invoked on the data parameter.
+ // The data object contains a files property holding the added files
+ // and allows you to override plugin options as well as define ajax settings.
+ //
+ // Listeners for this callback can also be bound the following way:
+ // .bind('fileuploadadd', func);
+ //
+ // data.submit() returns a Promise object and allows to attach additional
+ // handlers using jQuery's Deferred callbacks:
+ // data.submit().done(func).fail(func).always(func);
+ add: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ if (data.autoUpload || (data.autoUpload !== false &&
+ $(this).fileupload('option', 'autoUpload'))) {
+ data.process().done(function () {
+ data.submit();
+ });
+ }
+ },
+
+ // Other callbacks:
+
+ // Callback for the submit event of each file upload:
+ // submit: function (e, data) {}, // .bind('fileuploadsubmit', func);
+
+ // Callback for the start of each file upload request:
+ // send: function (e, data) {}, // .bind('fileuploadsend', func);
+
+ // Callback for successful uploads:
+ // done: function (e, data) {}, // .bind('fileuploaddone', func);
+
+ // Callback for failed (abort or error) uploads:
+ // fail: function (e, data) {}, // .bind('fileuploadfail', func);
+
+ // Callback for completed (success, abort or error) requests:
+ // always: function (e, data) {}, // .bind('fileuploadalways', func);
+
+ // Callback for upload progress events:
+ // progress: function (e, data) {}, // .bind('fileuploadprogress', func);
+
+ // Callback for global upload progress events:
+ // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func);
+
+ // Callback for uploads start, equivalent to the global ajaxStart event:
+ // start: function (e) {}, // .bind('fileuploadstart', func);
+
+ // Callback for uploads stop, equivalent to the global ajaxStop event:
+ // stop: function (e) {}, // .bind('fileuploadstop', func);
+
+ // Callback for change events of the fileInput(s):
+ // change: function (e, data) {}, // .bind('fileuploadchange', func);
+
+ // Callback for paste events to the pasteZone(s):
+ // paste: function (e, data) {}, // .bind('fileuploadpaste', func);
+
+ // Callback for drop events of the dropZone(s):
+ // drop: function (e, data) {}, // .bind('fileuploaddrop', func);
+
+ // Callback for dragover events of the dropZone(s):
+ // dragover: function (e) {}, // .bind('fileuploaddragover', func);
+
+ // Callback for the start of each chunk upload request:
+ // chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func);
+
+ // Callback for successful chunk uploads:
+ // chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func);
+
+ // Callback for failed (abort or error) chunk uploads:
+ // chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func);
+
+ // Callback for completed (success, abort or error) chunk upload requests:
+ // chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func);
+
+ // The plugin options are used as settings object for the ajax calls.
+ // The following are jQuery ajax settings required for the file uploads:
+ processData: false,
+ contentType: false,
+ cache: false
+ },
+
+ // A list of options that require reinitializing event listeners and/or
+ // special initialization code:
+ _specialOptions: [
+ 'fileInput',
+ 'dropZone',
+ 'pasteZone',
+ 'multipart',
+ 'forceIframeTransport'
+ ],
+
+ _blobSlice: $.support.blobSlice && function () {
+ var slice = this.slice || this.webkitSlice || this.mozSlice;
+ return slice.apply(this, arguments);
+ },
+
+ _BitrateTimer: function () {
+ this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime());
+ this.loaded = 0;
+ this.bitrate = 0;
+ this.getBitrate = function (now, loaded, interval) {
+ var timeDiff = now - this.timestamp;
+ if (!this.bitrate || !interval || timeDiff > interval) {
+ this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8;
+ this.loaded = loaded;
+ this.timestamp = now;
+ }
+ return this.bitrate;
+ };
+ },
+
+ _isXHRUpload: function (options) {
+ return !options.forceIframeTransport &&
+ ((!options.multipart && $.support.xhrFileUpload) ||
+ $.support.xhrFormDataFileUpload);
+ },
+
+ _getFormData: function (options) {
+ var formData;
+ if ($.type(options.formData) === 'function') {
+ return options.formData(options.form);
+ }
+ if ($.isArray(options.formData)) {
+ return options.formData;
+ }
+ if ($.type(options.formData) === 'object') {
+ formData = [];
+ $.each(options.formData, function (name, value) {
+ formData.push({name: name, value: value});
+ });
+ return formData;
+ }
+ return [];
+ },
+
+ _getTotal: function (files) {
+ var total = 0;
+ $.each(files, function (index, file) {
+ total += file.size || 1;
+ });
+ return total;
+ },
+
+ _initProgressObject: function (obj) {
+ var progress = {
+ loaded: 0,
+ total: 0,
+ bitrate: 0
+ };
+ if (obj._progress) {
+ $.extend(obj._progress, progress);
+ } else {
+ obj._progress = progress;
+ }
+ },
+
+ _initResponseObject: function (obj) {
+ var prop;
+ if (obj._response) {
+ for (prop in obj._response) {
+ if (obj._response.hasOwnProperty(prop)) {
+ delete obj._response[prop];
+ }
+ }
+ } else {
+ obj._response = {};
+ }
+ },
+
+ _onProgress: function (e, data) {
+ if (e.lengthComputable) {
+ var now = ((Date.now) ? Date.now() : (new Date()).getTime()),
+ loaded;
+ if (data._time && data.progressInterval &&
+ (now - data._time < data.progressInterval) &&
+ e.loaded !== e.total) {
+ return;
+ }
+ data._time = now;
+ loaded = Math.floor(
+ e.loaded / e.total * (data.chunkSize || data._progress.total)
+ ) + (data.uploadedBytes || 0);
+ // Add the difference from the previously loaded state
+ // to the global loaded counter:
+ this._progress.loaded += (loaded - data._progress.loaded);
+ this._progress.bitrate = this._bitrateTimer.getBitrate(
+ now,
+ this._progress.loaded,
+ data.bitrateInterval
+ );
+ data._progress.loaded = data.loaded = loaded;
+ data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate(
+ now,
+ loaded,
+ data.bitrateInterval
+ );
+ // Trigger a custom progress event with a total data property set
+ // to the file size(s) of the current upload and a loaded data
+ // property calculated accordingly:
+ this._trigger(
+ 'progress',
+ $.Event('progress', {delegatedEvent: e}),
+ data
+ );
+ // Trigger a global progress event for all current file uploads,
+ // including ajax calls queued for sequential file uploads:
+ this._trigger(
+ 'progressall',
+ $.Event('progressall', {delegatedEvent: e}),
+ this._progress
+ );
+ }
+ },
+
+ _initProgressListener: function (options) {
+ var that = this,
+ xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
+ // Accesss to the native XHR object is required to add event listeners
+ // for the upload progress event:
+ if (xhr.upload) {
+ $(xhr.upload).bind('progress', function (e) {
+ var oe = e.originalEvent;
+ // Make sure the progress event properties get copied over:
+ e.lengthComputable = oe.lengthComputable;
+ e.loaded = oe.loaded;
+ e.total = oe.total;
+ that._onProgress(e, options);
+ });
+ options.xhr = function () {
+ return xhr;
+ };
+ }
+ },
+
+ _isInstanceOf: function (type, obj) {
+ // Cross-frame instanceof check
+ return Object.prototype.toString.call(obj) === '[object ' + type + ']';
+ },
+
+ _initXHRData: function (options) {
+ var that = this,
+ formData,
+ file = options.files[0],
+ // Ignore non-multipart setting if not supported:
+ multipart = options.multipart || !$.support.xhrFileUpload,
+ paramName = $.type(options.paramName) === 'array' ?
+ options.paramName[0] : options.paramName;
+ options.headers = $.extend({}, options.headers);
+ if (options.contentRange) {
+ options.headers['Content-Range'] = options.contentRange;
+ }
+ if (!multipart || options.blob || !this._isInstanceOf('File', file)) {
+ options.headers['Content-Disposition'] = 'attachment; filename="' +
+ encodeURI(file.name) + '"';
+ }
+ if (!multipart) {
+ options.contentType = file.type || 'application/octet-stream';
+ options.data = options.blob || file;
+ } else if ($.support.xhrFormDataFileUpload) {
+ if (options.postMessage) {
+ // window.postMessage does not allow sending FormData
+ // objects, so we just add the File/Blob objects to
+ // the formData array and let the postMessage window
+ // create the FormData object out of this array:
+ formData = this._getFormData(options);
+ if (options.blob) {
+ formData.push({
+ name: paramName,
+ value: options.blob
+ });
+ } else {
+ $.each(options.files, function (index, file) {
+ formData.push({
+ name: ($.type(options.paramName) === 'array' &&
+ options.paramName[index]) || paramName,
+ value: file
+ });
+ });
+ }
+ } else {
+ if (that._isInstanceOf('FormData', options.formData)) {
+ formData = options.formData;
+ } else {
+ formData = new FormData();
+ $.each(this._getFormData(options), function (index, field) {
+ formData.append(field.name, field.value);
+ });
+ }
+ if (options.blob) {
+ formData.append(paramName, options.blob, file.name);
+ } else {
+ $.each(options.files, function (index, file) {
+ // This check allows the tests to run with
+ // dummy objects:
+ if (that._isInstanceOf('File', file) ||
+ that._isInstanceOf('Blob', file)) {
+ formData.append(
+ ($.type(options.paramName) === 'array' &&
+ options.paramName[index]) || paramName,
+ file,
+ file.uploadName || file.name
+ );
+ }
+ });
+ }
+ }
+ options.data = formData;
+ }
+ // Blob reference is not needed anymore, free memory:
+ options.blob = null;
+ },
+
+ _initIframeSettings: function (options) {
+ var targetHost = $('<a></a>').prop('href', options.url).prop('host');
+ // Setting the dataType to iframe enables the iframe transport:
+ options.dataType = 'iframe ' + (options.dataType || '');
+ // The iframe transport accepts a serialized array as form data:
+ options.formData = this._getFormData(options);
+ // Add redirect url to form data on cross-domain uploads:
+ if (options.redirect && targetHost && targetHost !== location.host) {
+ options.formData.push({
+ name: options.redirectParamName || 'redirect',
+ value: options.redirect
+ });
+ }
+ },
+
+ _initDataSettings: function (options) {
+ if (this._isXHRUpload(options)) {
+ if (!this._chunkedUpload(options, true)) {
+ if (!options.data) {
+ this._initXHRData(options);
+ }
+ this._initProgressListener(options);
+ }
+ if (options.postMessage) {
+ // Setting the dataType to postmessage enables the
+ // postMessage transport:
+ options.dataType = 'postmessage ' + (options.dataType || '');
+ }
+ } else {
+ this._initIframeSettings(options);
+ }
+ },
+
+ _getParamName: function (options) {
+ var fileInput = $(options.fileInput),
+ paramName = options.paramName;
+ if (!paramName) {
+ paramName = [];
+ fileInput.each(function () {
+ var input = $(this),
+ name = input.prop('name') || 'files[]',
+ i = (input.prop('files') || [1]).length;
+ while (i) {
+ paramName.push(name);
+ i -= 1;
+ }
+ });
+ if (!paramName.length) {
+ paramName = [fileInput.prop('name') || 'files[]'];
+ }
+ } else if (!$.isArray(paramName)) {
+ paramName = [paramName];
+ }
+ return paramName;
+ },
+
+ _initFormSettings: function (options) {
+ // Retrieve missing options from the input field and the
+ // associated form, if available:
+ if (!options.form || !options.form.length) {
+ options.form = $(options.fileInput.prop('form'));
+ // If the given file input doesn't have an associated form,
+ // use the default widget file input's form:
+ if (!options.form.length) {
+ options.form = $(this.options.fileInput.prop('form'));
+ }
+ }
+ options.paramName = this._getParamName(options);
+ if (!options.url) {
+ options.url = options.form.prop('action') || location.href;
+ }
+ // The HTTP request method must be "POST" or "PUT":
+ options.type = (options.type ||
+ ($.type(options.form.prop('method')) === 'string' &&
+ options.form.prop('method')) || ''
+ ).toUpperCase();
+ if (options.type !== 'POST' && options.type !== 'PUT' &&
+ options.type !== 'PATCH') {
+ options.type = 'POST';
+ }
+ if (!options.formAcceptCharset) {
+ options.formAcceptCharset = options.form.attr('accept-charset');
+ }
+ },
+
+ _getAJAXSettings: function (data) {
+ var options = $.extend({}, this.options, data);
+ this._initFormSettings(options);
+ this._initDataSettings(options);
+ return options;
+ },
+
+ // jQuery 1.6 doesn't provide .state(),
+ // while jQuery 1.8+ removed .isRejected() and .isResolved():
+ _getDeferredState: function (deferred) {
+ if (deferred.state) {
+ return deferred.state();
+ }
+ if (deferred.isResolved()) {
+ return 'resolved';
+ }
+ if (deferred.isRejected()) {
+ return 'rejected';
+ }
+ return 'pending';
+ },
+
+ // Maps jqXHR callbacks to the equivalent
+ // methods of the given Promise object:
+ _enhancePromise: function (promise) {
+ promise.success = promise.done;
+ promise.error = promise.fail;
+ promise.complete = promise.always;
+ return promise;
+ },
+
+ // Creates and returns a Promise object enhanced with
+ // the jqXHR methods abort, success, error and complete:
+ _getXHRPromise: function (resolveOrReject, context, args) {
+ var dfd = $.Deferred(),
+ promise = dfd.promise();
+ context = context || this.options.context || promise;
+ if (resolveOrReject === true) {
+ dfd.resolveWith(context, args);
+ } else if (resolveOrReject === false) {
+ dfd.rejectWith(context, args);
+ }
+ promise.abort = dfd.promise;
+ return this._enhancePromise(promise);
+ },
+
+ // Adds convenience methods to the data callback argument:
+ _addConvenienceMethods: function (e, data) {
+ var that = this,
+ getPromise = function (args) {
+ return $.Deferred().resolveWith(that, args).promise();
+ };
+ data.process = function (resolveFunc, rejectFunc) {
+ if (resolveFunc || rejectFunc) {
+ data._processQueue = this._processQueue =
+ (this._processQueue || getPromise([this])).pipe(
+ function () {
+ if (data.errorThrown) {
+ return $.Deferred()
+ .rejectWith(that, [data]).promise();
+ }
+ return getPromise(arguments);
+ }
+ ).pipe(resolveFunc, rejectFunc);
+ }
+ return this._processQueue || getPromise([this]);
+ };
+ data.submit = function () {
+ if (this.state() !== 'pending') {
+ data.jqXHR = this.jqXHR =
+ (that._trigger(
+ 'submit',
+ $.Event('submit', {delegatedEvent: e}),
+ this
+ ) !== false) && that._onSend(e, this);
+ }
+ return this.jqXHR || that._getXHRPromise();
+ };
+ data.abort = function () {
+ if (this.jqXHR) {
+ return this.jqXHR.abort();
+ }
+ this.errorThrown = 'abort';
+ that._trigger('fail', null, this);
+ return that._getXHRPromise(false);
+ };
+ data.state = function () {
+ if (this.jqXHR) {
+ return that._getDeferredState(this.jqXHR);
+ }
+ if (this._processQueue) {
+ return that._getDeferredState(this._processQueue);
+ }
+ };
+ data.processing = function () {
+ return !this.jqXHR && this._processQueue && that
+ ._getDeferredState(this._processQueue) === 'pending';
+ };
+ data.progress = function () {
+ return this._progress;
+ };
+ data.response = function () {
+ return this._response;
+ };
+ },
+
+ // Parses the Range header from the server response
+ // and returns the uploaded bytes:
+ _getUploadedBytes: function (jqXHR) {
+ var range = jqXHR.getResponseHeader('Range'),
+ parts = range && range.split('-'),
+ upperBytesPos = parts && parts.length > 1 &&
+ parseInt(parts[1], 10);
+ return upperBytesPos && upperBytesPos + 1;
+ },
+
+ // Uploads a file in multiple, sequential requests
+ // by splitting the file up in multiple blob chunks.
+ // If the second parameter is true, only tests if the file
+ // should be uploaded in chunks, but does not invoke any
+ // upload requests:
+ _chunkedUpload: function (options, testOnly) {
+ options.uploadedBytes = options.uploadedBytes || 0;
+ var that = this,
+ file = options.files[0],
+ fs = file.size,
+ ub = options.uploadedBytes,
+ mcs = options.maxChunkSize || fs,
+ slice = this._blobSlice,
+ dfd = $.Deferred(),
+ promise = dfd.promise(),
+ jqXHR,
+ upload;
+ if (!(this._isXHRUpload(options) && slice && (ub || mcs < fs)) ||
+ options.data) {
+ return false;
+ }
+ if (testOnly) {
+ return true;
+ }
+ if (ub >= fs) {
+ file.error = options.i18n('uploadedBytes');
+ return this._getXHRPromise(
+ false,
+ options.context,
+ [null, 'error', file.error]
+ );
+ }
+ // The chunk upload method:
+ upload = function () {
+ // Clone the options object for each chunk upload:
+ var o = $.extend({}, options),
+ currentLoaded = o._progress.loaded;
+ o.blob = slice.call(
+ file,
+ ub,
+ ub + mcs,
+ file.type
+ );
+ // Store the current chunk size, as the blob itself
+ // will be dereferenced after data processing:
+ o.chunkSize = o.blob.size;
+ // Expose the chunk bytes position range:
+ o.contentRange = 'bytes ' + ub + '-' +
+ (ub + o.chunkSize - 1) + '/' + fs;
+ // Process the upload data (the blob and potential form data):
+ that._initXHRData(o);
+ // Add progress listeners for this chunk upload:
+ that._initProgressListener(o);
+ jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) ||
+ that._getXHRPromise(false, o.context))
+ .done(function (result, textStatus, jqXHR) {
+ ub = that._getUploadedBytes(jqXHR) ||
+ (ub + o.chunkSize);
+ // Create a progress event if no final progress event
+ // with loaded equaling total has been triggered
+ // for this chunk:
+ if (currentLoaded + o.chunkSize - o._progress.loaded) {
+ that._onProgress($.Event('progress', {
+ lengthComputable: true,
+ loaded: ub - o.uploadedBytes,
+ total: ub - o.uploadedBytes
+ }), o);
+ }
+ options.uploadedBytes = o.uploadedBytes = ub;
+ o.result = result;
+ o.textStatus = textStatus;
+ o.jqXHR = jqXHR;
+ that._trigger('chunkdone', null, o);
+ that._trigger('chunkalways', null, o);
+ if (ub < fs) {
+ // File upload not yet complete,
+ // continue with the next chunk:
+ upload();
+ } else {
+ dfd.resolveWith(
+ o.context,
+ [result, textStatus, jqXHR]
+ );
+ }
+ })
+ .fail(function (jqXHR, textStatus, errorThrown) {
+ o.jqXHR = jqXHR;
+ o.textStatus = textStatus;
+ o.errorThrown = errorThrown;
+ that._trigger('chunkfail', null, o);
+ that._trigger('chunkalways', null, o);
+ dfd.rejectWith(
+ o.context,
+ [jqXHR, textStatus, errorThrown]
+ );
+ });
+ };
+ this._enhancePromise(promise);
+ promise.abort = function () {
+ return jqXHR.abort();
+ };
+ upload();
+ return promise;
+ },
+
+ _beforeSend: function (e, data) {
+ if (this._active === 0) {
+ // the start callback is triggered when an upload starts
+ // and no other uploads are currently running,
+ // equivalent to the global ajaxStart event:
+ this._trigger('start');
+ // Set timer for global bitrate progress calculation:
+ this._bitrateTimer = new this._BitrateTimer();
+ // Reset the global progress values:
+ this._progress.loaded = this._progress.total = 0;
+ this._progress.bitrate = 0;
+ }
+ // Make sure the container objects for the .response() and
+ // .progress() methods on the data object are available
+ // and reset to their initial state:
+ this._initResponseObject(data);
+ this._initProgressObject(data);
+ data._progress.loaded = data.loaded = data.uploadedBytes || 0;
+ data._progress.total = data.total = this._getTotal(data.files) || 1;
+ data._progress.bitrate = data.bitrate = 0;
+ this._active += 1;
+ // Initialize the global progress values:
+ this._progress.loaded += data.loaded;
+ this._progress.total += data.total;
+ },
+
+ _onDone: function (result, textStatus, jqXHR, options) {
+ var total = options._progress.total,
+ response = options._response;
+ if (options._progress.loaded < total) {
+ // Create a progress event if no final progress event
+ // with loaded equaling total has been triggered:
+ this._onProgress($.Event('progress', {
+ lengthComputable: true,
+ loaded: total,
+ total: total
+ }), options);
+ }
+ response.result = options.result = result;
+ response.textStatus = options.textStatus = textStatus;
+ response.jqXHR = options.jqXHR = jqXHR;
+ this._trigger('done', null, options);
+ },
+
+ _onFail: function (jqXHR, textStatus, errorThrown, options) {
+ var response = options._response;
+ if (options.recalculateProgress) {
+ // Remove the failed (error or abort) file upload from
+ // the global progress calculation:
+ this._progress.loaded -= options._progress.loaded;
+ this._progress.total -= options._progress.total;
+ }
+ response.jqXHR = options.jqXHR = jqXHR;
+ response.textStatus = options.textStatus = textStatus;
+ response.errorThrown = options.errorThrown = errorThrown;
+ this._trigger('fail', null, options);
+ },
+
+ _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) {
+ // jqXHRorResult, textStatus and jqXHRorError are added to the
+ // options object via done and fail callbacks
+ this._trigger('always', null, options);
+ },
+
+ _onSend: function (e, data) {
+ if (!data.submit) {
+ this._addConvenienceMethods(e, data);
+ }
+ var that = this,
+ jqXHR,
+ aborted,
+ slot,
+ pipe,
+ options = that._getAJAXSettings(data),
+ send = function () {
+ that._sending += 1;
+ // Set timer for bitrate progress calculation:
+ options._bitrateTimer = new that._BitrateTimer();
+ jqXHR = jqXHR || (
+ ((aborted || that._trigger(
+ 'send',
+ $.Event('send', {delegatedEvent: e}),
+ options
+ ) === false) &&
+ that._getXHRPromise(false, options.context, aborted)) ||
+ that._chunkedUpload(options) || $.ajax(options)
+ ).done(function (result, textStatus, jqXHR) {
+ that._onDone(result, textStatus, jqXHR, options);
+ }).fail(function (jqXHR, textStatus, errorThrown) {
+ that._onFail(jqXHR, textStatus, errorThrown, options);
+ }).always(function (jqXHRorResult, textStatus, jqXHRorError) {
+ that._onAlways(
+ jqXHRorResult,
+ textStatus,
+ jqXHRorError,
+ options
+ );
+ that._sending -= 1;
+ that._active -= 1;
+ if (options.limitConcurrentUploads &&
+ options.limitConcurrentUploads > that._sending) {
+ // Start the next queued upload,
+ // that has not been aborted:
+ var nextSlot = that._slots.shift();
+ while (nextSlot) {
+ if (that._getDeferredState(nextSlot) === 'pending') {
+ nextSlot.resolve();
+ break;
+ }
+ nextSlot = that._slots.shift();
+ }
+ }
+ if (that._active === 0) {
+ // The stop callback is triggered when all uploads have
+ // been completed, equivalent to the global ajaxStop event:
+ that._trigger('stop');
+ }
+ });
+ return jqXHR;
+ };
+ this._beforeSend(e, options);
+ if (this.options.sequentialUploads ||
+ (this.options.limitConcurrentUploads &&
+ this.options.limitConcurrentUploads <= this._sending)) {
+ if (this.options.limitConcurrentUploads > 1) {
+ slot = $.Deferred();
+ this._slots.push(slot);
+ pipe = slot.pipe(send);
+ } else {
+ this._sequence = this._sequence.pipe(send, send);
+ pipe = this._sequence;
+ }
+ // Return the piped Promise object, enhanced with an abort method,
+ // which is delegated to the jqXHR object of the current upload,
+ // and jqXHR callbacks mapped to the equivalent Promise methods:
+ pipe.abort = function () {
+ aborted = [undefined, 'abort', 'abort'];
+ if (!jqXHR) {
+ if (slot) {
+ slot.rejectWith(options.context, aborted);
+ }
+ return send();
+ }
+ return jqXHR.abort();
+ };
+ return this._enhancePromise(pipe);
+ }
+ return send();
+ },
+
+ _onAdd: function (e, data) {
+ var that = this,
+ result = true,
+ options = $.extend({}, this.options, data),
+ files = data.files,
+ filesLength = files.length,
+ limit = options.limitMultiFileUploads,
+ limitSize = options.limitMultiFileUploadSize,
+ overhead = options.limitMultiFileUploadSizeOverhead,
+ batchSize = 0,
+ paramName = this._getParamName(options),
+ paramNameSet,
+ paramNameSlice,
+ fileSet,
+ i,
+ j = 0;
+ if (limitSize && (!filesLength || files[0].size === undefined)) {
+ limitSize = undefined;
+ }
+ if (!(options.singleFileUploads || limit || limitSize) ||
+ !this._isXHRUpload(options)) {
+ fileSet = [files];
+ paramNameSet = [paramName];
+ } else if (!(options.singleFileUploads || limitSize) && limit) {
+ fileSet = [];
+ paramNameSet = [];
+ for (i = 0; i < filesLength; i += limit) {
+ fileSet.push(files.slice(i, i + limit));
+ paramNameSlice = paramName.slice(i, i + limit);
+ if (!paramNameSlice.length) {
+ paramNameSlice = paramName;
+ }
+ paramNameSet.push(paramNameSlice);
+ }
+ } else if (!options.singleFileUploads && limitSize) {
+ fileSet = [];
+ paramNameSet = [];
+ for (i = 0; i < filesLength; i = i + 1) {
+ batchSize += files[i].size + overhead;
+ if (i + 1 === filesLength ||
+ ((batchSize + files[i + 1].size + overhead) > limitSize) ||
+ (limit && i + 1 - j >= limit)) {
+ fileSet.push(files.slice(j, i + 1));
+ paramNameSlice = paramName.slice(j, i + 1);
+ if (!paramNameSlice.length) {
+ paramNameSlice = paramName;
+ }
+ paramNameSet.push(paramNameSlice);
+ j = i + 1;
+ batchSize = 0;
+ }
+ }
+ } else {
+ paramNameSet = paramName;
+ }
+ data.originalFiles = files;
+ $.each(fileSet || files, function (index, element) {
+ var newData = $.extend({}, data);
+ newData.files = fileSet ? element : [element];
+ newData.paramName = paramNameSet[index];
+ that._initResponseObject(newData);
+ that._initProgressObject(newData);
+ that._addConvenienceMethods(e, newData);
+ result = that._trigger(
+ 'add',
+ $.Event('add', {delegatedEvent: e}),
+ newData
+ );
+ return result;
+ });
+ return result;
+ },
+
+ _replaceFileInput: function (input) {
+ var inputClone = input.clone(true);
+ $('<form></form>').append(inputClone)[0].reset();
+ // Detaching allows to insert the fileInput on another form
+ // without loosing the file input value:
+ input.after(inputClone).detach();
+ // Avoid memory leaks with the detached file input:
+ $.cleanData(input.unbind('remove'));
+ // Replace the original file input element in the fileInput
+ // elements set with the clone, which has been copied including
+ // event handlers:
+ this.options.fileInput = this.options.fileInput.map(function (i, el) {
+ if (el === input[0]) {
+ return inputClone[0];
+ }
+ return el;
+ });
+ // If the widget has been initialized on the file input itself,
+ // override this.element with the file input clone:
+ if (input[0] === this.element[0]) {
+ this.element = inputClone;
+ }
+ },
+
+ _handleFileTreeEntry: function (entry, path) {
+ var that = this,
+ dfd = $.Deferred(),
+ errorHandler = function (e) {
+ if (e && !e.entry) {
+ e.entry = entry;
+ }
+ // Since $.when returns immediately if one
+ // Deferred is rejected, we use resolve instead.
+ // This allows valid files and invalid items
+ // to be returned together in one set:
+ dfd.resolve([e]);
+ },
+ dirReader;
+ path = path || '';
+ if (entry.isFile) {
+ if (entry._file) {
+ // Workaround for Chrome bug #149735
+ entry._file.relativePath = path;
+ dfd.resolve(entry._file);
+ } else {
+ entry.file(function (file) {
+ file.relativePath = path;
+ dfd.resolve(file);
+ }, errorHandler);
+ }
+ } else if (entry.isDirectory) {
+ dirReader = entry.createReader();
+ dirReader.readEntries(function (entries) {
+ that._handleFileTreeEntries(
+ entries,
+ path + entry.name + '/'
+ ).done(function (files) {
+ dfd.resolve(files);
+ }).fail(errorHandler);
+ }, errorHandler);
+ } else {
+ // Return an empy list for file system items
+ // other than files or directories:
+ dfd.resolve([]);
+ }
+ return dfd.promise();
+ },
+
+ _handleFileTreeEntries: function (entries, path) {
+ var that = this;
+ return $.when.apply(
+ $,
+ $.map(entries, function (entry) {
+ return that._handleFileTreeEntry(entry, path);
+ })
+ ).pipe(function () {
+ return Array.prototype.concat.apply(
+ [],
+ arguments
+ );
+ });
+ },
+
+ _getDroppedFiles: function (dataTransfer) {
+ dataTransfer = dataTransfer || {};
+ var items = dataTransfer.items;
+ if (items && items.length && (items[0].webkitGetAsEntry ||
+ items[0].getAsEntry)) {
+ return this._handleFileTreeEntries(
+ $.map(items, function (item) {
+ var entry;
+ if (item.webkitGetAsEntry) {
+ entry = item.webkitGetAsEntry();
+ if (entry) {
+ // Workaround for Chrome bug #149735:
+ entry._file = item.getAsFile();
+ }
+ return entry;
+ }
+ return item.getAsEntry();
+ })
+ );
+ }
+ return $.Deferred().resolve(
+ $.makeArray(dataTransfer.files)
+ ).promise();
+ },
+
+ _getSingleFileInputFiles: function (fileInput) {
+ fileInput = $(fileInput);
+ var entries = fileInput.prop('webkitEntries') ||
+ fileInput.prop('entries'),
+ files,
+ value;
+ if (entries && entries.length) {
+ return this._handleFileTreeEntries(entries);
+ }
+ files = $.makeArray(fileInput.prop('files'));
+ if (!files.length) {
+ value = fileInput.prop('value');
+ if (!value) {
+ return $.Deferred().resolve([]).promise();
+ }
+ // If the files property is not available, the browser does not
+ // support the File API and we add a pseudo File object with
+ // the input value as name with path information removed:
+ files = [{name: value.replace(/^.*\\/, '')}];
+ } else if (files[0].name === undefined && files[0].fileName) {
+ // File normalization for Safari 4 and Firefox 3:
+ $.each(files, function (index, file) {
+ file.name = file.fileName;
+ file.size = file.fileSize;
+ });
+ }
+ return $.Deferred().resolve(files).promise();
+ },
+
+ _getFileInputFiles: function (fileInput) {
+ if (!(fileInput instanceof $) || fileInput.length === 1) {
+ return this._getSingleFileInputFiles(fileInput);
+ }
+ return $.when.apply(
+ $,
+ $.map(fileInput, this._getSingleFileInputFiles)
+ ).pipe(function () {
+ return Array.prototype.concat.apply(
+ [],
+ arguments
+ );
+ });
+ },
+
+ _onChange: function (e) {
+ var that = this,
+ data = {
+ fileInput: $(e.target),
+ form: $(e.target.form)
+ };
+ this._getFileInputFiles(data.fileInput).always(function (files) {
+ data.files = files;
+ if (that.options.replaceFileInput) {
+ that._replaceFileInput(data.fileInput);
+ }
+ if (that._trigger(
+ 'change',
+ $.Event('change', {delegatedEvent: e}),
+ data
+ ) !== false) {
+ that._onAdd(e, data);
+ }
+ });
+ },
+
+ _onPaste: function (e) {
+ var items = e.originalEvent && e.originalEvent.clipboardData &&
+ e.originalEvent.clipboardData.items,
+ data = {files: []};
+ if (items && items.length) {
+ $.each(items, function (index, item) {
+ var file = item.getAsFile && item.getAsFile();
+ if (file) {
+ data.files.push(file);
+ }
+ });
+ if (this._trigger(
+ 'paste',
+ $.Event('paste', {delegatedEvent: e}),
+ data
+ ) !== false) {
+ this._onAdd(e, data);
+ }
+ }
+ },
+
+ _onDrop: function (e) {
+ e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer;
+ var that = this,
+ dataTransfer = e.dataTransfer,
+ data = {};
+ if (dataTransfer && dataTransfer.files && dataTransfer.files.length) {
+ e.preventDefault();
+ this._getDroppedFiles(dataTransfer).always(function (files) {
+ data.files = files;
+ if (that._trigger(
+ 'drop',
+ $.Event('drop', {delegatedEvent: e}),
+ data
+ ) !== false) {
+ that._onAdd(e, data);
+ }
+ });
+ }
+ },
+
+ _onDragOver: function (e) {
+ e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer;
+ var dataTransfer = e.dataTransfer;
+ if (dataTransfer && $.inArray('Files', dataTransfer.types) !== -1 &&
+ this._trigger(
+ 'dragover',
+ $.Event('dragover', {delegatedEvent: e})
+ ) !== false) {
+ e.preventDefault();
+ dataTransfer.dropEffect = 'copy';
+ }
+ },
+
+ _initEventHandlers: function () {
+ if (this._isXHRUpload(this.options)) {
+ this._on(this.options.dropZone, {
+ dragover: this._onDragOver,
+ drop: this._onDrop
+ });
+ this._on(this.options.pasteZone, {
+ paste: this._onPaste
+ });
+ }
+ if ($.support.fileInput) {
+ this._on(this.options.fileInput, {
+ change: this._onChange
+ });
+ }
+ },
+
+ _destroyEventHandlers: function () {
+ this._off(this.options.dropZone, 'dragover drop');
+ this._off(this.options.pasteZone, 'paste');
+ this._off(this.options.fileInput, 'change');
+ },
+
+ _setOption: function (key, value) {
+ var reinit = $.inArray(key, this._specialOptions) !== -1;
+ if (reinit) {
+ this._destroyEventHandlers();
+ }
+ this._super(key, value);
+ if (reinit) {
+ this._initSpecialOptions();
+ this._initEventHandlers();
+ }
+ },
+
+ _initSpecialOptions: function () {
+ var options = this.options;
+ if (options.fileInput === undefined) {
+ options.fileInput = this.element.is('input[type="file"]') ?
+ this.element : this.element.find('input[type="file"]');
+ } else if (!(options.fileInput instanceof $)) {
+ options.fileInput = $(options.fileInput);
+ }
+ if (!(options.dropZone instanceof $)) {
+ options.dropZone = $(options.dropZone);
+ }
+ if (!(options.pasteZone instanceof $)) {
+ options.pasteZone = $(options.pasteZone);
+ }
+ },
+
+ _getRegExp: function (str) {
+ var parts = str.split('/'),
+ modifiers = parts.pop();
+ parts.shift();
+ return new RegExp(parts.join('/'), modifiers);
+ },
+
+ _isRegExpOption: function (key, value) {
+ return key !== 'url' && $.type(value) === 'string' &&
+ /^\/.*\/[igm]{0,3}$/.test(value);
+ },
+
+ _initDataAttributes: function () {
+ var that = this,
+ options = this.options;
+ // Initialize options set via HTML5 data-attributes:
+ $.each(
+ $(this.element[0].cloneNode(false)).data(),
+ function (key, value) {
+ if (that._isRegExpOption(key, value)) {
+ value = that._getRegExp(value);
+ }
+ options[key] = value;
+ }
+ );
+ },
+
+ _create: function () {
+ this._initDataAttributes();
+ this._initSpecialOptions();
+ this._slots = [];
+ this._sequence = this._getXHRPromise(true);
+ this._sending = this._active = 0;
+ this._initProgressObject(this);
+ this._initEventHandlers();
+ },
+
+ // This method is exposed to the widget API and allows to query
+ // the number of active uploads:
+ active: function () {
+ return this._active;
+ },
+
+ // This method is exposed to the widget API and allows to query
+ // the widget upload progress.
+ // It returns an object with loaded, total and bitrate properties
+ // for the running uploads:
+ progress: function () {
+ return this._progress;
+ },
+
+ // This method is exposed to the widget API and allows adding files
+ // using the fileupload API. The data parameter accepts an object which
+ // must have a files property and can contain additional options:
+ // .fileupload('add', {files: filesList});
+ add: function (data) {
+ var that = this;
+ if (!data || this.options.disabled) {
+ return;
+ }
+ if (data.fileInput && !data.files) {
+ this._getFileInputFiles(data.fileInput).always(function (files) {
+ data.files = files;
+ that._onAdd(null, data);
+ });
+ } else {
+ data.files = $.makeArray(data.files);
+ this._onAdd(null, data);
+ }
+ },
+
+ // This method is exposed to the widget API and allows sending files
+ // using the fileupload API. The data parameter accepts an object which
+ // must have a files or fileInput property and can contain additional options:
+ // .fileupload('send', {files: filesList});
+ // The method returns a Promise object for the file upload call.
+ send: function (data) {
+ if (data && !this.options.disabled) {
+ if (data.fileInput && !data.files) {
+ var that = this,
+ dfd = $.Deferred(),
+ promise = dfd.promise(),
+ jqXHR,
+ aborted;
+ promise.abort = function () {
+ aborted = true;
+ if (jqXHR) {
+ return jqXHR.abort();
+ }
+ dfd.reject(null, 'abort', 'abort');
+ return promise;
+ };
+ this._getFileInputFiles(data.fileInput).always(
+ function (files) {
+ if (aborted) {
+ return;
+ }
+ if (!files.length) {
+ dfd.reject();
+ return;
+ }
+ data.files = files;
+ jqXHR = that._onSend(null, data).then(
+ function (result, textStatus, jqXHR) {
+ dfd.resolve(result, textStatus, jqXHR);
+ },
+ function (jqXHR, textStatus, errorThrown) {
+ dfd.reject(jqXHR, textStatus, errorThrown);
+ }
+ );
+ }
+ );
+ return this._enhancePromise(promise);
+ }
+ data.files = $.makeArray(data.files);
+ if (data.files.length) {
+ return this._onSend(null, data);
+ }
+ }
+ return this._getXHRPromise(false, data && data.context);
+ }
+
+ });
+
+}));
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 02:09:58 +0000