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1489 lines
63 KiB
1489 lines
63 KiB
/* |
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* jQuery File Upload Plugin 9.12.5 |
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* https://github.com/blueimp/jQuery-File-Upload |
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* |
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* Copyright 2010, Sebastian Tschan |
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* https://blueimp.net |
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* |
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* Licensed under the MIT license: |
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* http://www.opensource.org/licenses/MIT |
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*/ |
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|
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/* jshint nomen:false */ |
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/* global define, require, window, document, location, Blob, FormData */ |
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|
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;(function (factory) { |
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'use strict'; |
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if (typeof define === 'function' && define.amd) { |
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// Register as an anonymous AMD module: |
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define([ |
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'jquery', |
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'jquery.ui.widget' |
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], factory); |
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} else if (typeof exports === 'object') { |
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// Node/CommonJS: |
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factory( |
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require('jquery'), |
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require('./vendor/jquery.ui.widget') |
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); |
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} else { |
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// Browser globals: |
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factory(window.jQuery); |
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} |
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}(function ($) { |
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'use strict'; |
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|
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// Detect file input support, based on |
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// http://viljamis.com/blog/2012/file-upload-support-on-mobile/ |
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$.support.fileInput = !(new RegExp( |
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// Handle devices which give false positives for the feature detection: |
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'(Android (1\\.[0156]|2\\.[01]))' + |
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'|(Windows Phone (OS 7|8\\.0))|(XBLWP)|(ZuneWP)|(WPDesktop)' + |
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'|(w(eb)?OSBrowser)|(webOS)' + |
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'|(Kindle/(1\\.0|2\\.[05]|3\\.0))' |
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).test(window.navigator.userAgent) || |
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// Feature detection for all other devices: |
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$('<input type="file">').prop('disabled')); |
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|
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// The FileReader API is not actually used, but works as feature detection, |
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// as some Safari versions (5?) support XHR file uploads via the FormData API, |
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// but not non-multipart XHR file uploads. |
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// window.XMLHttpRequestUpload is not available on IE10, so we check for |
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// window.ProgressEvent instead to detect XHR2 file upload capability: |
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$.support.xhrFileUpload = !!(window.ProgressEvent && window.FileReader); |
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$.support.xhrFormDataFileUpload = !!window.FormData; |
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|
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// Detect support for Blob slicing (required for chunked uploads): |
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$.support.blobSlice = window.Blob && (Blob.prototype.slice || |
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Blob.prototype.webkitSlice || Blob.prototype.mozSlice); |
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|
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// Helper function to create drag handlers for dragover/dragenter/dragleave: |
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function getDragHandler(type) { |
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var isDragOver = type === 'dragover'; |
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return function (e) { |
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e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; |
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var dataTransfer = e.dataTransfer; |
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if (dataTransfer && $.inArray('Files', dataTransfer.types) !== -1 && |
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this._trigger( |
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type, |
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$.Event(type, {delegatedEvent: e}) |
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) !== false) { |
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e.preventDefault(); |
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if (isDragOver) { |
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dataTransfer.dropEffect = 'copy'; |
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} |
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} |
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}; |
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} |
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|
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// The fileupload widget listens for change events on file input fields defined |
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// via fileInput setting and paste or drop events of the given dropZone. |
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// In addition to the default jQuery Widget methods, the fileupload widget |
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// exposes the "add" and "send" methods, to add or directly send files using |
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// the fileupload API. |
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// By default, files added via file input selection, paste, drag & drop or |
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// "add" method are uploaded immediately, but it is possible to override |
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// the "add" callback option to queue file uploads. |
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$.widget('blueimp.fileupload', { |
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|
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options: { |
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// The drop target element(s), by the default the complete document. |
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// Set to null to disable drag & drop support: |
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dropZone: $(document), |
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// The paste target element(s), by the default undefined. |
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// Set to a DOM node or jQuery object to enable file pasting: |
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pasteZone: undefined, |
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// The file input field(s), that are listened to for change events. |
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// If undefined, it is set to the file input fields inside |
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// of the widget element on plugin initialization. |
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// Set to null to disable the change listener. |
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fileInput: undefined, |
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// By default, the file input field is replaced with a clone after |
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// each input field change event. This is required for iframe transport |
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// queues and allows change events to be fired for the same file |
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// selection, but can be disabled by setting the following option to false: |
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replaceFileInput: true, |
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// The parameter name for the file form data (the request argument name). |
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// If undefined or empty, the name property of the file input field is |
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// used, or "files[]" if the file input name property is also empty, |
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// can be a string or an array of strings: |
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paramName: undefined, |
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// By default, each file of a selection is uploaded using an individual |
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// request for XHR type uploads. Set to false to upload file |
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// selections in one request each: |
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singleFileUploads: true, |
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// To limit the number of files uploaded with one XHR request, |
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// set the following option to an integer greater than 0: |
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limitMultiFileUploads: undefined, |
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// The following option limits the number of files uploaded with one |
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// XHR request to keep the request size under or equal to the defined |
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// limit in bytes: |
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limitMultiFileUploadSize: undefined, |
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// Multipart file uploads add a number of bytes to each uploaded file, |
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// therefore the following option adds an overhead for each file used |
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// in the limitMultiFileUploadSize configuration: |
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limitMultiFileUploadSizeOverhead: 512, |
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// Set the following option to true to issue all file upload requests |
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// in a sequential order: |
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sequentialUploads: false, |
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// To limit the number of concurrent uploads, |
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// set the following option to an integer greater than 0: |
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limitConcurrentUploads: undefined, |
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// Set the following option to true to force iframe transport uploads: |
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forceIframeTransport: false, |
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// Set the following option to the location of a redirect url on the |
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// origin server, for cross-domain iframe transport uploads: |
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redirect: undefined, |
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// The parameter name for the redirect url, sent as part of the form |
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// data and set to 'redirect' if this option is empty: |
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redirectParamName: undefined, |
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// Set the following option to the location of a postMessage window, |
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// to enable postMessage transport uploads: |
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postMessage: undefined, |
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// By default, XHR file uploads are sent as multipart/form-data. |
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// The iframe transport is always using multipart/form-data. |
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// Set to false to enable non-multipart XHR uploads: |
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multipart: true, |
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// To upload large files in smaller chunks, set the following option |
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// to a preferred maximum chunk size. If set to 0, null or undefined, |
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// or the browser does not support the required Blob API, files will |
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// be uploaded as a whole. |
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maxChunkSize: undefined, |
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// When a non-multipart upload or a chunked multipart upload has been |
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// aborted, this option can be used to resume the upload by setting |
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// it to the size of the already uploaded bytes. This option is most |
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// useful when modifying the options object inside of the "add" or |
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// "send" callbacks, as the options are cloned for each file upload. |
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uploadedBytes: undefined, |
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// By default, failed (abort or error) file uploads are removed from the |
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// global progress calculation. Set the following option to false to |
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// prevent recalculating the global progress data: |
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recalculateProgress: true, |
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// Interval in milliseconds to calculate and trigger progress events: |
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progressInterval: 100, |
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// Interval in milliseconds to calculate progress bitrate: |
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bitrateInterval: 500, |
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// By default, uploads are started automatically when adding files: |
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autoUpload: true, |
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|
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// Error and info messages: |
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messages: { |
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uploadedBytes: 'Uploaded bytes exceed file size' |
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}, |
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|
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// Translation function, gets the message key to be translated |
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// and an object with context specific data as arguments: |
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i18n: function (message, context) { |
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message = this.messages[message] || message.toString(); |
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if (context) { |
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$.each(context, function (key, value) { |
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message = message.replace('{' + key + '}', value); |
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}); |
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} |
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return message; |
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}, |
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|
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// Additional form data to be sent along with the file uploads can be set |
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// using this option, which accepts an array of objects with name and |
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// value properties, a function returning such an array, a FormData |
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// object (for XHR file uploads), or a simple object. |
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// The form of the first fileInput is given as parameter to the function: |
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formData: function (form) { |
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return form.serializeArray(); |
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}, |
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|
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// The add callback is invoked as soon as files are added to the fileupload |
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// widget (via file input selection, drag & drop, paste or add API call). |
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// If the singleFileUploads option is enabled, this callback will be |
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// called once for each file in the selection for XHR file uploads, else |
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// once for each file selection. |
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// |
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// The upload starts when the submit method is invoked on the data parameter. |
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// The data object contains a files property holding the added files |
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// and allows you to override plugin options as well as define ajax settings. |
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// |
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// Listeners for this callback can also be bound the following way: |
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// .bind('fileuploadadd', func); |
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// |
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// data.submit() returns a Promise object and allows to attach additional |
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// handlers using jQuery's Deferred callbacks: |
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// data.submit().done(func).fail(func).always(func); |
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add: function (e, data) { |
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if (e.isDefaultPrevented()) { |
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return false; |
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} |
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if (data.autoUpload || (data.autoUpload !== false && |
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$(this).fileupload('option', 'autoUpload'))) { |
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data.process().done(function () { |
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data.submit(); |
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}); |
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} |
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}, |
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|
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// Other callbacks: |
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|
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// Callback for the submit event of each file upload: |
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// submit: function (e, data) {}, // .bind('fileuploadsubmit', func); |
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|
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// Callback for the start of each file upload request: |
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// send: function (e, data) {}, // .bind('fileuploadsend', func); |
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|
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// Callback for successful uploads: |
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// done: function (e, data) {}, // .bind('fileuploaddone', func); |
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|
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// Callback for failed (abort or error) uploads: |
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// fail: function (e, data) {}, // .bind('fileuploadfail', func); |
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|
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// Callback for completed (success, abort or error) requests: |
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// always: function (e, data) {}, // .bind('fileuploadalways', func); |
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|
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// Callback for upload progress events: |
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// progress: function (e, data) {}, // .bind('fileuploadprogress', func); |
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|
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// Callback for global upload progress events: |
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// progressall: function (e, data) {}, // .bind('fileuploadprogressall', func); |
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|
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// Callback for uploads start, equivalent to the global ajaxStart event: |
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// start: function (e) {}, // .bind('fileuploadstart', func); |
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|
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// Callback for uploads stop, equivalent to the global ajaxStop event: |
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// stop: function (e) {}, // .bind('fileuploadstop', func); |
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|
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// Callback for change events of the fileInput(s): |
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// change: function (e, data) {}, // .bind('fileuploadchange', func); |
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|
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// Callback for paste events to the pasteZone(s): |
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// paste: function (e, data) {}, // .bind('fileuploadpaste', func); |
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|
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// Callback for drop events of the dropZone(s): |
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// drop: function (e, data) {}, // .bind('fileuploaddrop', func); |
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|
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// Callback for drop events of the dropZone(s) when there are no files: |
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// dropnofiles: function (e) {}, // .bind('fileuploaddropnofiles', func); |
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|
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// Callback for dragover events of the dropZone(s): |
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// dragover: function (e) {}, // .bind('fileuploaddragover', func); |
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|
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// Callback for the start of each chunk upload request: |
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// chunksend: function (e, data) {}, // .bind('fileuploadchunksend', func); |
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|
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// Callback for successful chunk uploads: |
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// chunkdone: function (e, data) {}, // .bind('fileuploadchunkdone', func); |
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|
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// Callback for failed (abort or error) chunk uploads: |
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// chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); |
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|
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// Callback for completed (success, abort or error) chunk upload requests: |
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// chunkalways: function (e, data) {}, // .bind('fileuploadchunkalways', func); |
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|
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// The plugin options are used as settings object for the ajax calls. |
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// The following are jQuery ajax settings required for the file uploads: |
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processData: false, |
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contentType: false, |
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cache: false, |
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timeout: 0 |
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}, |
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|
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// A list of options that require reinitializing event listeners and/or |
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// special initialization code: |
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_specialOptions: [ |
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'fileInput', |
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'dropZone', |
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'pasteZone', |
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'multipart', |
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'forceIframeTransport' |
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], |
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|
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_blobSlice: $.support.blobSlice && function () { |
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var slice = this.slice || this.webkitSlice || this.mozSlice; |
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return slice.apply(this, arguments); |
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}, |
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|
|
_BitrateTimer: function () { |
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this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime()); |
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this.loaded = 0; |
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this.bitrate = 0; |
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this.getBitrate = function (now, loaded, interval) { |
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var timeDiff = now - this.timestamp; |
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if (!this.bitrate || !interval || timeDiff > interval) { |
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this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; |
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this.loaded = loaded; |
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this.timestamp = now; |
|
} |
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return this.bitrate; |
|
}; |
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}, |
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|
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_isXHRUpload: function (options) { |
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return !options.forceIframeTransport && |
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((!options.multipart && $.support.xhrFileUpload) || |
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$.support.xhrFormDataFileUpload); |
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}, |
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|
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_getFormData: function (options) { |
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var formData; |
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if ($.type(options.formData) === 'function') { |
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return options.formData(options.form); |
|
} |
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if ($.isArray(options.formData)) { |
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return options.formData; |
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} |
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if ($.type(options.formData) === 'object') { |
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formData = []; |
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$.each(options.formData, function (name, value) { |
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formData.push({name: name, value: value}); |
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}); |
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return formData; |
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} |
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return []; |
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}, |
|
|
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_getTotal: function (files) { |
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var total = 0; |
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$.each(files, function (index, file) { |
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total += file.size || 1; |
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}); |
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return total; |
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}, |
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|
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_initProgressObject: function (obj) { |
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var progress = { |
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loaded: 0, |
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total: 0, |
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bitrate: 0 |
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}; |
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if (obj._progress) { |
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$.extend(obj._progress, progress); |
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} else { |
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obj._progress = progress; |
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} |
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}, |
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|
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_initResponseObject: function (obj) { |
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var prop; |
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if (obj._response) { |
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for (prop in obj._response) { |
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if (obj._response.hasOwnProperty(prop)) { |
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delete obj._response[prop]; |
|
} |
|
} |
|
} else { |
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obj._response = {}; |
|
} |
|
}, |
|
|
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_onProgress: function (e, data) { |
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if (e.lengthComputable) { |
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var now = ((Date.now) ? Date.now() : (new Date()).getTime()), |
|
loaded; |
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if (data._time && data.progressInterval && |
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(now - data._time < data.progressInterval) && |
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e.loaded !== e.total) { |
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return; |
|
} |
|
data._time = now; |
|
loaded = Math.floor( |
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e.loaded / e.total * (data.chunkSize || data._progress.total) |
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) + (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, |
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data.bitrateInterval |
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); |
|
data._progress.loaded = data.loaded = loaded; |
|
data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( |
|
now, |
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loaded, |
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data.bitrateInterval |
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); |
|
// 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( |
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'progress', |
|
$.Event('progress', {delegatedEvent: e}), |
|
data |
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); |
|
// Trigger a global progress event for all current file uploads, |
|
// including ajax calls queued for sequential file uploads: |
|
this._trigger( |
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'progressall', |
|
$.Event('progressall', {delegatedEvent: e}), |
|
this._progress |
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); |
|
} |
|
}, |
|
|
|
_initProgressListener: function (options) { |
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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])).then( |
|
function () { |
|
if (data.errorThrown) { |
|
return $.Deferred() |
|
.rejectWith(that, [data]).promise(); |
|
} |
|
return getPromise(arguments); |
|
} |
|
).then(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.then(send); |
|
} else { |
|
this._sequence = this._sequence.then(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 (!filesLength) { |
|
return false; |
|
} |
|
if (limitSize && 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 (data) { |
|
var input = data.fileInput, |
|
inputClone = input.clone(true), |
|
restoreFocus = input.is(document.activeElement); |
|
// Add a reference for the new cloned file input to the data argument: |
|
data.fileInputClone = inputClone; |
|
$('<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(); |
|
// If the fileInput had focus before it was detached, |
|
// restore focus to the inputClone. |
|
if (restoreFocus) { |
|
inputClone.focus(); |
|
} |
|
// 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]); |
|
}, |
|
successHandler = function (entries) { |
|
that._handleFileTreeEntries( |
|
entries, |
|
path + entry.name + '/' |
|
).done(function (files) { |
|
dfd.resolve(files); |
|
}).fail(errorHandler); |
|
}, |
|
readEntries = function () { |
|
dirReader.readEntries(function (results) { |
|
if (!results.length) { |
|
successHandler(entries); |
|
} else { |
|
entries = entries.concat(results); |
|
readEntries(); |
|
} |
|
}, errorHandler); |
|
}, |
|
dirReader, entries = []; |
|
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(); |
|
readEntries(); |
|
} 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); |
|
}) |
|
).then(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) |
|
).then(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); |
|
} |
|
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); |
|
} |
|
}); |
|
} else { |
|
// "dropnofiles" is triggered to allow proper cleanup of the |
|
// drag and drop operation, as some browsers trigger "drop" |
|
// events that have no files even if the "DataTransfer.types" of |
|
// the "dragover" event included a "Files" item. |
|
this._trigger( |
|
'dropnofiles', |
|
$.Event('drop', {delegatedEvent: e}) |
|
); |
|
} |
|
}, |
|
|
|
_onDragOver: getDragHandler('dragover'), |
|
|
|
_onDragEnter: getDragHandler('dragenter'), |
|
|
|
_onDragLeave: getDragHandler('dragleave'), |
|
|
|
_initEventHandlers: function () { |
|
if (this._isXHRUpload(this.options)) { |
|
this._on(this.options.dropZone, { |
|
dragover: this._onDragOver, |
|
drop: this._onDrop, |
|
// event.preventDefault() on dragenter is required for IE10+: |
|
dragenter: this._onDragEnter, |
|
// dragleave is not required, but added for completeness: |
|
dragleave: this._onDragLeave |
|
}); |
|
this._on(this.options.pasteZone, { |
|
paste: this._onPaste |
|
}); |
|
} |
|
if ($.support.fileInput) { |
|
this._on(this.options.fileInput, { |
|
change: this._onChange |
|
}); |
|
} |
|
}, |
|
|
|
_destroyEventHandlers: function () { |
|
this._off(this.options.dropZone, 'dragenter dragleave 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, |
|
data = this.element.data(); |
|
// Initialize options set via HTML5 data-attributes: |
|
$.each( |
|
this.element[0].attributes, |
|
function (index, attr) { |
|
var key = attr.name.toLowerCase(), |
|
value; |
|
if (/^data-/.test(key)) { |
|
// Convert hyphen-ated key to camelCase: |
|
key = key.slice(5).replace(/-[a-z]/g, function (str) { |
|
return str.charAt(1).toUpperCase(); |
|
}); |
|
value = data[key]; |
|
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); |
|
jqXHR.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); |
|
} |
|
|
|
}); |
|
|
|
})); |