| /* |
| * jQuery File Upload Plugin 5.40.1 |
| * 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, |
| clone = $(this.element[0].cloneNode(false)); |
| // Initialize options set via HTML5 data-attributes: |
| $.each( |
| clone.data(), |
| function (key, value) { |
| var dataAttributeName = 'data-' + |
| // Convert camelCase to hyphen-ated key: |
| key.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase(); |
| if (clone.attr(dataAttributeName)) { |
| 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); |
| } |
| |
| }); |
| |
| })); |