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/* |
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* jQuery File Upload Plugin |
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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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* https://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/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 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 before the start of each chunk upload request (before form data initialization): |
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// chunkbeforesend: function (e, data) {}, // .bind('fileuploadchunkbeforesend', func); |
| 266 |
|
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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: |
| 274 |
// chunkfail: function (e, data) {}, // .bind('fileuploadchunkfail', func); |
| 275 |
|
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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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|
| 279 |
// 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 |
| 285 |
}, |
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|
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// A list of options that require reinitializing event listeners and/or |
| 288 |
// special initialization code: |
| 289 |
_specialOptions: [ |
| 290 |
'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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|
| 297 |
_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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|
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_BitrateTimer: function () { |
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this.timestamp = ((Date.now) ? Date.now() : (new Date()).getTime()); |
| 304 |
this.loaded = 0; |
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this.bitrate = 0; |
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this.getBitrate = function (now, loaded, interval) { |
| 307 |
var timeDiff = now - this.timestamp; |
| 308 |
if (!this.bitrate || !interval || timeDiff > interval) { |
| 309 |
this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8; |
| 310 |
this.loaded = loaded; |
| 311 |
this.timestamp = now; |
| 312 |
} |
| 313 |
return this.bitrate; |
| 314 |
}; |
| 315 |
}, |
| 316 |
|
| 317 |
_isXHRUpload: function (options) { |
| 318 |
return !options.forceIframeTransport && |
| 319 |
((!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) { |
| 324 |
var formData; |
| 325 |
if ($.type(options.formData) === 'function') { |
| 326 |
return options.formData(options.form); |
| 327 |
} |
| 328 |
if ($.isArray(options.formData)) { |
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return options.formData; |
| 330 |
} |
| 331 |
if ($.type(options.formData) === 'object') { |
| 332 |
formData = []; |
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$.each(options.formData, function (name, value) { |
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formData.push({name: name, value: value}); |
| 335 |
}); |
| 336 |
return formData; |
| 337 |
} |
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return []; |
| 339 |
}, |
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|
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_getTotal: function (files) { |
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var total = 0; |
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$.each(files, function (index, file) { |
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total += file.size || 1; |
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}); |
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return total; |
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}, |
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|
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_initProgressObject: function (obj) { |
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var progress = { |
| 351 |
loaded: 0, |
| 352 |
total: 0, |
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bitrate: 0 |
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}; |
| 355 |
if (obj._progress) { |
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$.extend(obj._progress, progress); |
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} else { |
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obj._progress = progress; |
| 359 |
} |
| 360 |
}, |
| 361 |
|
| 362 |
_initResponseObject: function (obj) { |
| 363 |
var prop; |
| 364 |
if (obj._response) { |
| 365 |
for (prop in obj._response) { |
| 366 |
if (obj._response.hasOwnProperty(prop)) { |
| 367 |
delete obj._response[prop]; |
| 368 |
} |
| 369 |
} |
| 370 |
} else { |
| 371 |
obj._response = {}; |
| 372 |
} |
| 373 |
}, |
| 374 |
|
| 375 |
_onProgress: function (e, data) { |
| 376 |
if (e.lengthComputable) { |
| 377 |
var now = ((Date.now) ? Date.now() : (new Date()).getTime()), |
| 378 |
loaded; |
| 379 |
if (data._time && data.progressInterval && |
| 380 |
(now - data._time < data.progressInterval) && |
| 381 |
e.loaded !== e.total) { |
| 382 |
return; |
| 383 |
} |
| 384 |
data._time = now; |
| 385 |
loaded = Math.floor( |
| 386 |
e.loaded / e.total * (data.chunkSize || data._progress.total) |
| 387 |
) + (data.uploadedBytes || 0); |
| 388 |
// Add the difference from the previously loaded state |
| 389 |
// to the global loaded counter: |
| 390 |
this._progress.loaded += (loaded - data._progress.loaded); |
| 391 |
this._progress.bitrate = this._bitrateTimer.getBitrate( |
| 392 |
now, |
| 393 |
this._progress.loaded, |
| 394 |
data.bitrateInterval |
| 395 |
); |
| 396 |
data._progress.loaded = data.loaded = loaded; |
| 397 |
data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate( |
| 398 |
now, |
| 399 |
loaded, |
| 400 |
data.bitrateInterval |
| 401 |
); |
| 402 |
// Trigger a custom progress event with a total data property set |
| 403 |
// to the file size(s) of the current upload and a loaded data |
| 404 |
// property calculated accordingly: |
| 405 |
this._trigger( |
| 406 |
'progress', |
| 407 |
$.Event('progress', {delegatedEvent: e}), |
| 408 |
data |
| 409 |
); |
| 410 |
// Trigger a global progress event for all current file uploads, |
| 411 |
// including ajax calls queued for sequential file uploads: |
| 412 |
this._trigger( |
| 413 |
'progressall', |
| 414 |
$.Event('progressall', {delegatedEvent: e}), |
| 415 |
this._progress |
| 416 |
); |
| 417 |
} |
| 418 |
}, |
| 419 |
|
| 420 |
_initProgressListener: function (options) { |
| 421 |
var that = this, |
| 422 |
xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); |
| 423 |
// Accesss to the native XHR object is required to add event listeners |
| 424 |
// for the upload progress event: |
| 425 |
if (xhr.upload) { |
| 426 |
$(xhr.upload).bind('progress', function (e) { |
| 427 |
var oe = e.originalEvent; |
| 428 |
// Make sure the progress event properties get copied over: |
| 429 |
e.lengthComputable = oe.lengthComputable; |
| 430 |
e.loaded = oe.loaded; |
| 431 |
e.total = oe.total; |
| 432 |
that._onProgress(e, options); |
| 433 |
}); |
| 434 |
options.xhr = function () { |
| 435 |
return xhr; |
| 436 |
}; |
| 437 |
} |
| 438 |
}, |
| 439 |
|
| 440 |
_deinitProgressListener: function (options) { |
| 441 |
var xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr(); |
| 442 |
if (xhr.upload) { |
| 443 |
$(xhr.upload).unbind('progress'); |
| 444 |
} |
| 445 |
}, |
| 446 |
|
| 447 |
_isInstanceOf: function (type, obj) { |
| 448 |
// Cross-frame instanceof check |
| 449 |
return Object.prototype.toString.call(obj) === '[object ' + type + ']'; |
| 450 |
}, |
| 451 |
|
| 452 |
_initXHRData: function (options) { |
| 453 |
var that = this, |
| 454 |
formData, |
| 455 |
file = options.files[0], |
| 456 |
// Ignore non-multipart setting if not supported: |
| 457 |
multipart = options.multipart || !$.support.xhrFileUpload, |
| 458 |
paramName = $.type(options.paramName) === 'array' ? |
| 459 |
options.paramName[0] : options.paramName; |
| 460 |
options.headers = $.extend({}, options.headers); |
| 461 |
if (options.contentRange) { |
| 462 |
options.headers['Content-Range'] = options.contentRange; |
| 463 |
} |
| 464 |
if (!multipart || options.blob || !this._isInstanceOf('File', file)) { |
| 465 |
options.headers['Content-Disposition'] = 'attachment; filename="' + |
| 466 |
encodeURI(file.uploadName || file.name) + '"'; |
| 467 |
} |
| 468 |
if (!multipart) { |
| 469 |
options.contentType = file.type || 'application/octet-stream'; |
| 470 |
options.data = options.blob || file; |
| 471 |
} else if ($.support.xhrFormDataFileUpload) { |
| 472 |
if (options.postMessage) { |
| 473 |
// window.postMessage does not allow sending FormData |
| 474 |
// objects, so we just add the File/Blob objects to |
| 475 |
// the formData array and let the postMessage window |
| 476 |
// create the FormData object out of this array: |
| 477 |
formData = this._getFormData(options); |
| 478 |
if (options.blob) { |
| 479 |
formData.push({ |
| 480 |
name: paramName, |
| 481 |
value: options.blob |
| 482 |
}); |
| 483 |
} else { |
| 484 |
$.each(options.files, function (index, file) { |
| 485 |
formData.push({ |
| 486 |
name: ($.type(options.paramName) === 'array' && |
| 487 |
options.paramName[index]) || paramName, |
| 488 |
value: file |
| 489 |
}); |
| 490 |
}); |
| 491 |
} |
| 492 |
} else { |
| 493 |
if (that._isInstanceOf('FormData', options.formData)) { |
| 494 |
formData = options.formData; |
| 495 |
} else { |
| 496 |
formData = new FormData(); |
| 497 |
$.each(this._getFormData(options), function (index, field) { |
| 498 |
formData.append(field.name, field.value); |
| 499 |
}); |
| 500 |
} |
| 501 |
if (options.blob) { |
| 502 |
formData.append( |
| 503 |
paramName, |
| 504 |
options.blob, |
| 505 |
file.uploadName || file.name |
| 506 |
); |
| 507 |
} else { |
| 508 |
$.each(options.files, function (index, file) { |
| 509 |
// This check allows the tests to run with |
| 510 |
// dummy objects: |
| 511 |
if (that._isInstanceOf('File', file) || |
| 512 |
that._isInstanceOf('Blob', file)) { |
| 513 |
formData.append( |
| 514 |
($.type(options.paramName) === 'array' && |
| 515 |
options.paramName[index]) || paramName, |
| 516 |
file, |
| 517 |
file.uploadName || file.name |
| 518 |
); |
| 519 |
} |
| 520 |
}); |
| 521 |
} |
| 522 |
} |
| 523 |
options.data = formData; |
| 524 |
} |
| 525 |
// Blob reference is not needed anymore, free memory: |
| 526 |
options.blob = null; |
| 527 |
}, |
| 528 |
|
| 529 |
_initIframeSettings: function (options) { |
| 530 |
var targetHost = $('<a></a>').prop('href', options.url).prop('host'); |
| 531 |
// Setting the dataType to iframe enables the iframe transport: |
| 532 |
options.dataType = 'iframe ' + (options.dataType || ''); |
| 533 |
// The iframe transport accepts a serialized array as form data: |
| 534 |
options.formData = this._getFormData(options); |
| 535 |
// Add redirect url to form data on cross-domain uploads: |
| 536 |
if (options.redirect && targetHost && targetHost !== location.host) { |
| 537 |
options.formData.push({ |
| 538 |
name: options.redirectParamName || 'redirect', |
| 539 |
value: options.redirect |
| 540 |
}); |
| 541 |
} |
| 542 |
}, |
| 543 |
|
| 544 |
_initDataSettings: function (options) { |
| 545 |
if (this._isXHRUpload(options)) { |
| 546 |
if (!this._chunkedUpload(options, true)) { |
| 547 |
if (!options.data) { |
| 548 |
this._initXHRData(options); |
| 549 |
} |
| 550 |
this._initProgressListener(options); |
| 551 |
} |
| 552 |
if (options.postMessage) { |
| 553 |
// Setting the dataType to postmessage enables the |
| 554 |
// postMessage transport: |
| 555 |
options.dataType = 'postmessage ' + (options.dataType || ''); |
| 556 |
} |
| 557 |
} else { |
| 558 |
this._initIframeSettings(options); |
| 559 |
} |
| 560 |
}, |
| 561 |
|
| 562 |
_getParamName: function (options) { |
| 563 |
var fileInput = $(options.fileInput), |
| 564 |
paramName = options.paramName; |
| 565 |
if (!paramName) { |
| 566 |
paramName = []; |
| 567 |
fileInput.each(function () { |
| 568 |
var input = $(this), |
| 569 |
name = input.prop('name') || 'files[]', |
| 570 |
i = (input.prop('files') || [1]).length; |
| 571 |
while (i) { |
| 572 |
paramName.push(name); |
| 573 |
i -= 1; |
| 574 |
} |
| 575 |
}); |
| 576 |
if (!paramName.length) { |
| 577 |
paramName = [fileInput.prop('name') || 'files[]']; |
| 578 |
} |
| 579 |
} else if (!$.isArray(paramName)) { |
| 580 |
paramName = [paramName]; |
| 581 |
} |
| 582 |
return paramName; |
| 583 |
}, |
| 584 |
|
| 585 |
_initFormSettings: function (options) { |
| 586 |
// Retrieve missing options from the input field and the |
| 587 |
// associated form, if available: |
| 588 |
if (!options.form || !options.form.length) { |
| 589 |
options.form = $(options.fileInput.prop('form')); |
| 590 |
// If the given file input doesn't have an associated form, |
| 591 |
// use the default widget file input's form: |
| 592 |
if (!options.form.length) { |
| 593 |
options.form = $(this.options.fileInput.prop('form')); |
| 594 |
} |
| 595 |
} |
| 596 |
options.paramName = this._getParamName(options); |
| 597 |
if (!options.url) { |
| 598 |
options.url = options.form.prop('action') || location.href; |
| 599 |
} |
| 600 |
// The HTTP request method must be "POST" or "PUT": |
| 601 |
options.type = (options.type || |
| 602 |
($.type(options.form.prop('method')) === 'string' && |
| 603 |
options.form.prop('method')) || '' |
| 604 |
).toUpperCase(); |
| 605 |
if (options.type !== 'POST' && options.type !== 'PUT' && |
| 606 |
options.type !== 'PATCH') { |
| 607 |
options.type = 'POST'; |
| 608 |
} |
| 609 |
if (!options.formAcceptCharset) { |
| 610 |
options.formAcceptCharset = options.form.attr('accept-charset'); |
| 611 |
} |
| 612 |
}, |
| 613 |
|
| 614 |
_getAJAXSettings: function (data) { |
| 615 |
var options = $.extend({}, this.options, data); |
| 616 |
this._initFormSettings(options); |
| 617 |
this._initDataSettings(options); |
| 618 |
return options; |
| 619 |
}, |
| 620 |
|
| 621 |
// jQuery 1.6 doesn't provide .state(), |
| 622 |
// while jQuery 1.8+ removed .isRejected() and .isResolved(): |
| 623 |
_getDeferredState: function (deferred) { |
| 624 |
if (deferred.state) { |
| 625 |
return deferred.state(); |
| 626 |
} |
| 627 |
if (deferred.isResolved()) { |
| 628 |
return 'resolved'; |
| 629 |
} |
| 630 |
if (deferred.isRejected()) { |
| 631 |
return 'rejected'; |
| 632 |
} |
| 633 |
return 'pending'; |
| 634 |
}, |
| 635 |
|
| 636 |
// Maps jqXHR callbacks to the equivalent |
| 637 |
// methods of the given Promise object: |
| 638 |
_enhancePromise: function (promise) { |
| 639 |
promise.success = promise.done; |
| 640 |
promise.error = promise.fail; |
| 641 |
promise.complete = promise.always; |
| 642 |
return promise; |
| 643 |
}, |
| 644 |
|
| 645 |
// Creates and returns a Promise object enhanced with |
| 646 |
// the jqXHR methods abort, success, error and complete: |
| 647 |
_getXHRPromise: function (resolveOrReject, context, args) { |
| 648 |
var dfd = $.Deferred(), |
| 649 |
promise = dfd.promise(); |
| 650 |
context = context || this.options.context || promise; |
| 651 |
if (resolveOrReject === true) { |
| 652 |
dfd.resolveWith(context, args); |
| 653 |
} else if (resolveOrReject === false) { |
| 654 |
dfd.rejectWith(context, args); |
| 655 |
} |
| 656 |
promise.abort = dfd.promise; |
| 657 |
return this._enhancePromise(promise); |
| 658 |
}, |
| 659 |
|
| 660 |
// Adds convenience methods to the data callback argument: |
| 661 |
_addConvenienceMethods: function (e, data) { |
| 662 |
var that = this, |
| 663 |
getPromise = function (args) { |
| 664 |
return $.Deferred().resolveWith(that, args).promise(); |
| 665 |
}; |
| 666 |
data.process = function (resolveFunc, rejectFunc) { |
| 667 |
if (resolveFunc || rejectFunc) { |
| 668 |
data._processQueue = this._processQueue = |
| 669 |
(this._processQueue || getPromise([this])).then( |
| 670 |
function () { |
| 671 |
if (data.errorThrown) { |
| 672 |
return $.Deferred() |
| 673 |
.rejectWith(that, [data]).promise(); |
| 674 |
} |
| 675 |
return getPromise(arguments); |
| 676 |
} |
| 677 |
).then(resolveFunc, rejectFunc); |
| 678 |
} |
| 679 |
return this._processQueue || getPromise([this]); |
| 680 |
}; |
| 681 |
data.submit = function () { |
| 682 |
if (this.state() !== 'pending') { |
| 683 |
data.jqXHR = this.jqXHR = |
| 684 |
(that._trigger( |
| 685 |
'submit', |
| 686 |
$.Event('submit', {delegatedEvent: e}), |
| 687 |
this |
| 688 |
) !== false) && that._onSend(e, this); |
| 689 |
} |
| 690 |
return this.jqXHR || that._getXHRPromise(); |
| 691 |
}; |
| 692 |
data.abort = function () { |
| 693 |
if (this.jqXHR) { |
| 694 |
return this.jqXHR.abort(); |
| 695 |
} |
| 696 |
this.errorThrown = 'abort'; |
| 697 |
that._trigger('fail', null, this); |
| 698 |
return that._getXHRPromise(false); |
| 699 |
}; |
| 700 |
data.state = function () { |
| 701 |
if (this.jqXHR) { |
| 702 |
return that._getDeferredState(this.jqXHR); |
| 703 |
} |
| 704 |
if (this._processQueue) { |
| 705 |
return that._getDeferredState(this._processQueue); |
| 706 |
} |
| 707 |
}; |
| 708 |
data.processing = function () { |
| 709 |
return !this.jqXHR && this._processQueue && that |
| 710 |
._getDeferredState(this._processQueue) === 'pending'; |
| 711 |
}; |
| 712 |
data.progress = function () { |
| 713 |
return this._progress; |
| 714 |
}; |
| 715 |
data.response = function () { |
| 716 |
return this._response; |
| 717 |
}; |
| 718 |
}, |
| 719 |
|
| 720 |
// Parses the Range header from the server response |
| 721 |
// and returns the uploaded bytes: |
| 722 |
_getUploadedBytes: function (jqXHR) { |
| 723 |
var range = jqXHR.getResponseHeader('Range'), |
| 724 |
parts = range && range.split('-'), |
| 725 |
upperBytesPos = parts && parts.length > 1 && |
| 726 |
parseInt(parts[1], 10); |
| 727 |
return upperBytesPos && upperBytesPos + 1; |
| 728 |
}, |
| 729 |
|
| 730 |
// Uploads a file in multiple, sequential requests |
| 731 |
// by splitting the file up in multiple blob chunks. |
| 732 |
// If the second parameter is true, only tests if the file |
| 733 |
// should be uploaded in chunks, but does not invoke any |
| 734 |
// upload requests: |
| 735 |
_chunkedUpload: function (options, testOnly) { |
| 736 |
options.uploadedBytes = options.uploadedBytes || 0; |
| 737 |
var that = this, |
| 738 |
file = options.files[0], |
| 739 |
fs = file.size, |
| 740 |
ub = options.uploadedBytes, |
| 741 |
mcs = options.maxChunkSize || fs, |
| 742 |
slice = this._blobSlice, |
| 743 |
dfd = $.Deferred(), |
| 744 |
promise = dfd.promise(), |
| 745 |
jqXHR, |
| 746 |
upload; |
| 747 |
if (!(this._isXHRUpload(options) && slice && (ub || ($.type(mcs) === 'function' ? mcs(options) : mcs) < fs)) || |
| 748 |
options.data) { |
| 749 |
return false; |
| 750 |
} |
| 751 |
if (testOnly) { |
| 752 |
return true; |
| 753 |
} |
| 754 |
if (ub >= fs) { |
| 755 |
file.error = options.i18n('uploadedBytes'); |
| 756 |
return this._getXHRPromise( |
| 757 |
false, |
| 758 |
options.context, |
| 759 |
[null, 'error', file.error] |
| 760 |
); |
| 761 |
} |
| 762 |
// The chunk upload method: |
| 763 |
upload = function () { |
| 764 |
// Clone the options object for each chunk upload: |
| 765 |
var o = $.extend({}, options), |
| 766 |
currentLoaded = o._progress.loaded; |
| 767 |
o.blob = slice.call( |
| 768 |
file, |
| 769 |
ub, |
| 770 |
ub + ($.type(mcs) === 'function' ? mcs(o) : mcs), |
| 771 |
file.type |
| 772 |
); |
| 773 |
// Store the current chunk size, as the blob itself |
| 774 |
// will be dereferenced after data processing: |
| 775 |
o.chunkSize = o.blob.size; |
| 776 |
// Expose the chunk bytes position range: |
| 777 |
o.contentRange = 'bytes ' + ub + '-' + |
| 778 |
(ub + o.chunkSize - 1) + '/' + fs; |
| 779 |
// Trigger chunkbeforesend to allow form data to be updated for this chunk |
| 780 |
that._trigger('chunkbeforesend', null, o); |
| 781 |
// Process the upload data (the blob and potential form data): |
| 782 |
that._initXHRData(o); |
| 783 |
// Add progress listeners for this chunk upload: |
| 784 |
that._initProgressListener(o); |
| 785 |
jqXHR = ((that._trigger('chunksend', null, o) !== false && $.ajax(o)) || |
| 786 |
that._getXHRPromise(false, o.context)) |
| 787 |
.done(function (result, textStatus, jqXHR) { |
| 788 |
ub = that._getUploadedBytes(jqXHR) || |
| 789 |
(ub + o.chunkSize); |
| 790 |
// Create a progress event if no final progress event |
| 791 |
// with loaded equaling total has been triggered |
| 792 |
// for this chunk: |
| 793 |
if (currentLoaded + o.chunkSize - o._progress.loaded) { |
| 794 |
that._onProgress($.Event('progress', { |
| 795 |
lengthComputable: true, |
| 796 |
loaded: ub - o.uploadedBytes, |
| 797 |
total: ub - o.uploadedBytes |
| 798 |
}), o); |
| 799 |
} |
| 800 |
options.uploadedBytes = o.uploadedBytes = ub; |
| 801 |
o.result = result; |
| 802 |
o.textStatus = textStatus; |
| 803 |
o.jqXHR = jqXHR; |
| 804 |
that._trigger('chunkdone', null, o); |
| 805 |
that._trigger('chunkalways', null, o); |
| 806 |
if (ub < fs) { |
| 807 |
// File upload not yet complete, |
| 808 |
// continue with the next chunk: |
| 809 |
upload(); |
| 810 |
} else { |
| 811 |
dfd.resolveWith( |
| 812 |
o.context, |
| 813 |
[result, textStatus, jqXHR] |
| 814 |
); |
| 815 |
} |
| 816 |
}) |
| 817 |
.fail(function (jqXHR, textStatus, errorThrown) { |
| 818 |
o.jqXHR = jqXHR; |
| 819 |
o.textStatus = textStatus; |
| 820 |
o.errorThrown = errorThrown; |
| 821 |
that._trigger('chunkfail', null, o); |
| 822 |
that._trigger('chunkalways', null, o); |
| 823 |
dfd.rejectWith( |
| 824 |
o.context, |
| 825 |
[jqXHR, textStatus, errorThrown] |
| 826 |
); |
| 827 |
}) |
| 828 |
.always(function () { |
| 829 |
that._deinitProgressListener(o); |
| 830 |
}); |
| 831 |
}; |
| 832 |
this._enhancePromise(promise); |
| 833 |
promise.abort = function () { |
| 834 |
return jqXHR.abort(); |
| 835 |
}; |
| 836 |
upload(); |
| 837 |
return promise; |
| 838 |
}, |
| 839 |
|
| 840 |
_beforeSend: function (e, data) { |
| 841 |
if (this._active === 0) { |
| 842 |
// the start callback is triggered when an upload starts |
| 843 |
// and no other uploads are currently running, |
| 844 |
// equivalent to the global ajaxStart event: |
| 845 |
this._trigger('start'); |
| 846 |
// Set timer for global bitrate progress calculation: |
| 847 |
this._bitrateTimer = new this._BitrateTimer(); |
| 848 |
// Reset the global progress values: |
| 849 |
this._progress.loaded = this._progress.total = 0; |
| 850 |
this._progress.bitrate = 0; |
| 851 |
} |
| 852 |
// Make sure the container objects for the .response() and |
| 853 |
// .progress() methods on the data object are available |
| 854 |
// and reset to their initial state: |
| 855 |
this._initResponseObject(data); |
| 856 |
this._initProgressObject(data); |
| 857 |
data._progress.loaded = data.loaded = data.uploadedBytes || 0; |
| 858 |
data._progress.total = data.total = this._getTotal(data.files) || 1; |
| 859 |
data._progress.bitrate = data.bitrate = 0; |
| 860 |
this._active += 1; |
| 861 |
// Initialize the global progress values: |
| 862 |
this._progress.loaded += data.loaded; |
| 863 |
this._progress.total += data.total; |
| 864 |
}, |
| 865 |
|
| 866 |
_onDone: function (result, textStatus, jqXHR, options) { |
| 867 |
var total = options._progress.total, |
| 868 |
response = options._response; |
| 869 |
if (options._progress.loaded < total) { |
| 870 |
// Create a progress event if no final progress event |
| 871 |
// with loaded equaling total has been triggered: |
| 872 |
this._onProgress($.Event('progress', { |
| 873 |
lengthComputable: true, |
| 874 |
loaded: total, |
| 875 |
total: total |
| 876 |
}), options); |
| 877 |
} |
| 878 |
response.result = options.result = result; |
| 879 |
response.textStatus = options.textStatus = textStatus; |
| 880 |
response.jqXHR = options.jqXHR = jqXHR; |
| 881 |
this._trigger('done', null, options); |
| 882 |
}, |
| 883 |
|
| 884 |
_onFail: function (jqXHR, textStatus, errorThrown, options) { |
| 885 |
var response = options._response; |
| 886 |
if (options.recalculateProgress) { |
| 887 |
// Remove the failed (error or abort) file upload from |
| 888 |
// the global progress calculation: |
| 889 |
this._progress.loaded -= options._progress.loaded; |
| 890 |
this._progress.total -= options._progress.total; |
| 891 |
} |
| 892 |
response.jqXHR = options.jqXHR = jqXHR; |
| 893 |
response.textStatus = options.textStatus = textStatus; |
| 894 |
response.errorThrown = options.errorThrown = errorThrown; |
| 895 |
this._trigger('fail', null, options); |
| 896 |
}, |
| 897 |
|
| 898 |
_onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) { |
| 899 |
// jqXHRorResult, textStatus and jqXHRorError are added to the |
| 900 |
// options object via done and fail callbacks |
| 901 |
this._trigger('always', null, options); |
| 902 |
}, |
| 903 |
|
| 904 |
_onSend: function (e, data) { |
| 905 |
if (!data.submit) { |
| 906 |
this._addConvenienceMethods(e, data); |
| 907 |
} |
| 908 |
var that = this, |
| 909 |
jqXHR, |
| 910 |
aborted, |
| 911 |
slot, |
| 912 |
pipe, |
| 913 |
options = that._getAJAXSettings(data), |
| 914 |
send = function () { |
| 915 |
that._sending += 1; |
| 916 |
// Set timer for bitrate progress calculation: |
| 917 |
options._bitrateTimer = new that._BitrateTimer(); |
| 918 |
jqXHR = jqXHR || ( |
| 919 |
((aborted || that._trigger( |
| 920 |
'send', |
| 921 |
$.Event('send', {delegatedEvent: e}), |
| 922 |
options |
| 923 |
) === false) && |
| 924 |
that._getXHRPromise(false, options.context, aborted)) || |
| 925 |
that._chunkedUpload(options) || $.ajax(options) |
| 926 |
).done(function (result, textStatus, jqXHR) { |
| 927 |
that._onDone(result, textStatus, jqXHR, options); |
| 928 |
}).fail(function (jqXHR, textStatus, errorThrown) { |
| 929 |
that._onFail(jqXHR, textStatus, errorThrown, options); |
| 930 |
}).always(function (jqXHRorResult, textStatus, jqXHRorError) { |
| 931 |
that._deinitProgressListener(options); |
| 932 |
that._onAlways( |
| 933 |
jqXHRorResult, |
| 934 |
textStatus, |
| 935 |
jqXHRorError, |
| 936 |
options |
| 937 |
); |
| 938 |
that._sending -= 1; |
| 939 |
that._active -= 1; |
| 940 |
if (options.limitConcurrentUploads && |
| 941 |
options.limitConcurrentUploads > that._sending) { |
| 942 |
// Start the next queued upload, |
| 943 |
// that has not been aborted: |
| 944 |
var nextSlot = that._slots.shift(); |
| 945 |
while (nextSlot) { |
| 946 |
if (that._getDeferredState(nextSlot) === 'pending') { |
| 947 |
nextSlot.resolve(); |
| 948 |
break; |
| 949 |
} |
| 950 |
nextSlot = that._slots.shift(); |
| 951 |
} |
| 952 |
} |
| 953 |
if (that._active === 0) { |
| 954 |
// The stop callback is triggered when all uploads have |
| 955 |
// been completed, equivalent to the global ajaxStop event: |
| 956 |
that._trigger('stop'); |
| 957 |
} |
| 958 |
}); |
| 959 |
return jqXHR; |
| 960 |
}; |
| 961 |
this._beforeSend(e, options); |
| 962 |
if (this.options.sequentialUploads || |
| 963 |
(this.options.limitConcurrentUploads && |
| 964 |
this.options.limitConcurrentUploads <= this._sending)) { |
| 965 |
if (this.options.limitConcurrentUploads > 1) { |
| 966 |
slot = $.Deferred(); |
| 967 |
this._slots.push(slot); |
| 968 |
pipe = slot.then(send); |
| 969 |
} else { |
| 970 |
this._sequence = this._sequence.then(send, send); |
| 971 |
pipe = this._sequence; |
| 972 |
} |
| 973 |
// Return the piped Promise object, enhanced with an abort method, |
| 974 |
// which is delegated to the jqXHR object of the current upload, |
| 975 |
// and jqXHR callbacks mapped to the equivalent Promise methods: |
| 976 |
pipe.abort = function () { |
| 977 |
aborted = [undefined, 'abort', 'abort']; |
| 978 |
if (!jqXHR) { |
| 979 |
if (slot) { |
| 980 |
slot.rejectWith(options.context, aborted); |
| 981 |
} |
| 982 |
return send(); |
| 983 |
} |
| 984 |
return jqXHR.abort(); |
| 985 |
}; |
| 986 |
return this._enhancePromise(pipe); |
| 987 |
} |
| 988 |
return send(); |
| 989 |
}, |
| 990 |
|
| 991 |
_onAdd: function (e, data) { |
| 992 |
var that = this, |
| 993 |
result = true, |
| 994 |
options = $.extend({}, this.options, data), |
| 995 |
files = data.files, |
| 996 |
filesLength = files.length, |
| 997 |
limit = options.limitMultiFileUploads, |
| 998 |
limitSize = options.limitMultiFileUploadSize, |
| 999 |
overhead = options.limitMultiFileUploadSizeOverhead, |
| 1000 |
batchSize = 0, |
| 1001 |
paramName = this._getParamName(options), |
| 1002 |
paramNameSet, |
| 1003 |
paramNameSlice, |
| 1004 |
fileSet, |
| 1005 |
i, |
| 1006 |
j = 0; |
| 1007 |
if (!filesLength) { |
| 1008 |
return false; |
| 1009 |
} |
| 1010 |
if (limitSize && files[0].size === undefined) { |
| 1011 |
limitSize = undefined; |
| 1012 |
} |
| 1013 |
if (!(options.singleFileUploads || limit || limitSize) || |
| 1014 |
!this._isXHRUpload(options)) { |
| 1015 |
fileSet = [files]; |
| 1016 |
paramNameSet = [paramName]; |
| 1017 |
} else if (!(options.singleFileUploads || limitSize) && limit) { |
| 1018 |
fileSet = []; |
| 1019 |
paramNameSet = []; |
| 1020 |
for (i = 0; i < filesLength; i += limit) { |
| 1021 |
fileSet.push(files.slice(i, i + limit)); |
| 1022 |
paramNameSlice = paramName.slice(i, i + limit); |
| 1023 |
if (!paramNameSlice.length) { |
| 1024 |
paramNameSlice = paramName; |
| 1025 |
} |
| 1026 |
paramNameSet.push(paramNameSlice); |
| 1027 |
} |
| 1028 |
} else if (!options.singleFileUploads && limitSize) { |
| 1029 |
fileSet = []; |
| 1030 |
paramNameSet = []; |
| 1031 |
for (i = 0; i < filesLength; i = i + 1) { |
| 1032 |
batchSize += files[i].size + overhead; |
| 1033 |
if (i + 1 === filesLength || |
| 1034 |
((batchSize + files[i + 1].size + overhead) > limitSize) || |
| 1035 |
(limit && i + 1 - j >= limit)) { |
| 1036 |
fileSet.push(files.slice(j, i + 1)); |
| 1037 |
paramNameSlice = paramName.slice(j, i + 1); |
| 1038 |
if (!paramNameSlice.length) { |
| 1039 |
paramNameSlice = paramName; |
| 1040 |
} |
| 1041 |
paramNameSet.push(paramNameSlice); |
| 1042 |
j = i + 1; |
| 1043 |
batchSize = 0; |
| 1044 |
} |
| 1045 |
} |
| 1046 |
} else { |
| 1047 |
paramNameSet = paramName; |
| 1048 |
} |
| 1049 |
data.originalFiles = files; |
| 1050 |
$.each(fileSet || files, function (index, element) { |
| 1051 |
var newData = $.extend({}, data); |
| 1052 |
newData.files = fileSet ? element : [element]; |
| 1053 |
newData.paramName = paramNameSet[index]; |
| 1054 |
that._initResponseObject(newData); |
| 1055 |
that._initProgressObject(newData); |
| 1056 |
that._addConvenienceMethods(e, newData); |
| 1057 |
result = that._trigger( |
| 1058 |
'add', |
| 1059 |
$.Event('add', {delegatedEvent: e}), |
| 1060 |
newData |
| 1061 |
); |
| 1062 |
return result; |
| 1063 |
}); |
| 1064 |
return result; |
| 1065 |
}, |
| 1066 |
|
| 1067 |
_replaceFileInput: function (data) { |
| 1068 |
var input = data.fileInput, |
| 1069 |
inputClone = input.clone(true), |
| 1070 |
restoreFocus = input.is(document.activeElement); |
| 1071 |
// Add a reference for the new cloned file input to the data argument: |
| 1072 |
data.fileInputClone = inputClone; |
| 1073 |
$('<form></form>').append(inputClone)[0].reset(); |
| 1074 |
// Detaching allows to insert the fileInput on another form |
| 1075 |
// without loosing the file input value: |
| 1076 |
input.after(inputClone).detach(); |
| 1077 |
// If the fileInput had focus before it was detached, |
| 1078 |
// restore focus to the inputClone. |
| 1079 |
if (restoreFocus) { |
| 1080 |
inputClone.focus(); |
| 1081 |
} |
| 1082 |
// Avoid memory leaks with the detached file input: |
| 1083 |
$.cleanData(input.unbind('remove')); |
| 1084 |
// Replace the original file input element in the fileInput |
| 1085 |
// elements set with the clone, which has been copied including |
| 1086 |
// event handlers: |
| 1087 |
this.options.fileInput = this.options.fileInput.map(function (i, el) { |
| 1088 |
if (el === input[0]) { |
| 1089 |
return inputClone[0]; |
| 1090 |
} |
| 1091 |
return el; |
| 1092 |
}); |
| 1093 |
// If the widget has been initialized on the file input itself, |
| 1094 |
// override this.element with the file input clone: |
| 1095 |
if (input[0] === this.element[0]) { |
| 1096 |
this.element = inputClone; |
| 1097 |
} |
| 1098 |
}, |
| 1099 |
|
| 1100 |
_handleFileTreeEntry: function (entry, path) { |
| 1101 |
var that = this, |
| 1102 |
dfd = $.Deferred(), |
| 1103 |
entries = [], |
| 1104 |
dirReader, |
| 1105 |
errorHandler = function (e) { |
| 1106 |
if (e && !e.entry) { |
| 1107 |
e.entry = entry; |
| 1108 |
} |
| 1109 |
// Since $.when returns immediately if one |
| 1110 |
// Deferred is rejected, we use resolve instead. |
| 1111 |
// This allows valid files and invalid items |
| 1112 |
// to be returned together in one set: |
| 1113 |
dfd.resolve([e]); |
| 1114 |
}, |
| 1115 |
successHandler = function (entries) { |
| 1116 |
that._handleFileTreeEntries( |
| 1117 |
entries, |
| 1118 |
path + entry.name + '/' |
| 1119 |
).done(function (files) { |
| 1120 |
dfd.resolve(files); |
| 1121 |
}).fail(errorHandler); |
| 1122 |
}, |
| 1123 |
readEntries = function () { |
| 1124 |
dirReader.readEntries(function (results) { |
| 1125 |
if (!results.length) { |
| 1126 |
successHandler(entries); |
| 1127 |
} else { |
| 1128 |
entries = entries.concat(results); |
| 1129 |
readEntries(); |
| 1130 |
} |
| 1131 |
}, errorHandler); |
| 1132 |
}; |
| 1133 |
path = path || ''; |
| 1134 |
if (entry.isFile) { |
| 1135 |
if (entry._file) { |
| 1136 |
// Workaround for Chrome bug #149735 |
| 1137 |
entry._file.relativePath = path; |
| 1138 |
dfd.resolve(entry._file); |
| 1139 |
} else { |
| 1140 |
entry.file(function (file) { |
| 1141 |
file.relativePath = path; |
| 1142 |
dfd.resolve(file); |
| 1143 |
}, errorHandler); |
| 1144 |
} |
| 1145 |
} else if (entry.isDirectory) { |
| 1146 |
dirReader = entry.createReader(); |
| 1147 |
readEntries(); |
| 1148 |
} else { |
| 1149 |
// Return an empty list for file system items |
| 1150 |
// other than files or directories: |
| 1151 |
dfd.resolve([]); |
| 1152 |
} |
| 1153 |
return dfd.promise(); |
| 1154 |
}, |
| 1155 |
|
| 1156 |
_handleFileTreeEntries: function (entries, path) { |
| 1157 |
var that = this; |
| 1158 |
return $.when.apply( |
| 1159 |
$, |
| 1160 |
$.map(entries, function (entry) { |
| 1161 |
return that._handleFileTreeEntry(entry, path); |
| 1162 |
}) |
| 1163 |
).then(function () { |
| 1164 |
return Array.prototype.concat.apply( |
| 1165 |
[], |
| 1166 |
arguments |
| 1167 |
); |
| 1168 |
}); |
| 1169 |
}, |
| 1170 |
|
| 1171 |
_getDroppedFiles: function (dataTransfer) { |
| 1172 |
dataTransfer = dataTransfer || {}; |
| 1173 |
var items = dataTransfer.items; |
| 1174 |
if (items && items.length && (items[0].webkitGetAsEntry || |
| 1175 |
items[0].getAsEntry)) { |
| 1176 |
return this._handleFileTreeEntries( |
| 1177 |
$.map(items, function (item) { |
| 1178 |
var entry; |
| 1179 |
if (item.webkitGetAsEntry) { |
| 1180 |
entry = item.webkitGetAsEntry(); |
| 1181 |
if (entry) { |
| 1182 |
// Workaround for Chrome bug #149735: |
| 1183 |
entry._file = item.getAsFile(); |
| 1184 |
} |
| 1185 |
return entry; |
| 1186 |
} |
| 1187 |
return item.getAsEntry(); |
| 1188 |
}) |
| 1189 |
); |
| 1190 |
} |
| 1191 |
return $.Deferred().resolve( |
| 1192 |
$.makeArray(dataTransfer.files) |
| 1193 |
).promise(); |
| 1194 |
}, |
| 1195 |
|
| 1196 |
_getSingleFileInputFiles: function (fileInput) { |
| 1197 |
fileInput = $(fileInput); |
| 1198 |
var entries = fileInput.prop('webkitEntries') || |
| 1199 |
fileInput.prop('entries'), |
| 1200 |
files, |
| 1201 |
value; |
| 1202 |
if (entries && entries.length) { |
| 1203 |
return this._handleFileTreeEntries(entries); |
| 1204 |
} |
| 1205 |
files = $.makeArray(fileInput.prop('files')); |
| 1206 |
if (!files.length) { |
| 1207 |
value = fileInput.prop('value'); |
| 1208 |
if (!value) { |
| 1209 |
return $.Deferred().resolve([]).promise(); |
| 1210 |
} |
| 1211 |
// If the files property is not available, the browser does not |
| 1212 |
// support the File API and we add a pseudo File object with |
| 1213 |
// the input value as name with path information removed: |
| 1214 |
files = [{name: value.replace(/^.*\\/, '')}]; |
| 1215 |
} else if (files[0].name === undefined && files[0].fileName) { |
| 1216 |
// File normalization for Safari 4 and Firefox 3: |
| 1217 |
$.each(files, function (index, file) { |
| 1218 |
file.name = file.fileName; |
| 1219 |
file.size = file.fileSize; |
| 1220 |
}); |
| 1221 |
} |
| 1222 |
return $.Deferred().resolve(files).promise(); |
| 1223 |
}, |
| 1224 |
|
| 1225 |
_getFileInputFiles: function (fileInput) { |
| 1226 |
if (!(fileInput instanceof $) || fileInput.length === 1) { |
| 1227 |
return this._getSingleFileInputFiles(fileInput); |
| 1228 |
} |
| 1229 |
return $.when.apply( |
| 1230 |
$, |
| 1231 |
$.map(fileInput, this._getSingleFileInputFiles) |
| 1232 |
).then(function () { |
| 1233 |
return Array.prototype.concat.apply( |
| 1234 |
[], |
| 1235 |
arguments |
| 1236 |
); |
| 1237 |
}); |
| 1238 |
}, |
| 1239 |
|
| 1240 |
_onChange: function (e) { |
| 1241 |
var that = this, |
| 1242 |
data = { |
| 1243 |
fileInput: $(e.target), |
| 1244 |
form: $(e.target.form) |
| 1245 |
}; |
| 1246 |
this._getFileInputFiles(data.fileInput).always(function (files) { |
| 1247 |
data.files = files; |
| 1248 |
if (that.options.replaceFileInput) { |
| 1249 |
that._replaceFileInput(data); |
| 1250 |
} |
| 1251 |
if (that._trigger( |
| 1252 |
'change', |
| 1253 |
$.Event('change', {delegatedEvent: e}), |
| 1254 |
data |
| 1255 |
) !== false) { |
| 1256 |
that._onAdd(e, data); |
| 1257 |
} |
| 1258 |
}); |
| 1259 |
}, |
| 1260 |
|
| 1261 |
_onPaste: function (e) { |
| 1262 |
var items = e.originalEvent && e.originalEvent.clipboardData && |
| 1263 |
e.originalEvent.clipboardData.items, |
| 1264 |
data = {files: []}; |
| 1265 |
if (items && items.length) { |
| 1266 |
$.each(items, function (index, item) { |
| 1267 |
var file = item.getAsFile && item.getAsFile(); |
| 1268 |
if (file) { |
| 1269 |
data.files.push(file); |
| 1270 |
} |
| 1271 |
}); |
| 1272 |
if (this._trigger( |
| 1273 |
'paste', |
| 1274 |
$.Event('paste', {delegatedEvent: e}), |
| 1275 |
data |
| 1276 |
) !== false) { |
| 1277 |
this._onAdd(e, data); |
| 1278 |
} |
| 1279 |
} |
| 1280 |
}, |
| 1281 |
|
| 1282 |
_onDrop: function (e) { |
| 1283 |
e.dataTransfer = e.originalEvent && e.originalEvent.dataTransfer; |
| 1284 |
var that = this, |
| 1285 |
dataTransfer = e.dataTransfer, |
| 1286 |
data = {}; |
| 1287 |
if (dataTransfer && dataTransfer.files && dataTransfer.files.length) { |
| 1288 |
e.preventDefault(); |
| 1289 |
this._getDroppedFiles(dataTransfer).always(function (files) { |
| 1290 |
data.files = files; |
| 1291 |
if (that._trigger( |
| 1292 |
'drop', |
| 1293 |
$.Event('drop', {delegatedEvent: e}), |
| 1294 |
data |
| 1295 |
) !== false) { |
| 1296 |
that._onAdd(e, data); |
| 1297 |
} |
| 1298 |
}); |
| 1299 |
} |
| 1300 |
}, |
| 1301 |
|
| 1302 |
_onDragOver: getDragHandler('dragover'), |
| 1303 |
|
| 1304 |
_onDragEnter: getDragHandler('dragenter'), |
| 1305 |
|
| 1306 |
_onDragLeave: getDragHandler('dragleave'), |
| 1307 |
|
| 1308 |
_initEventHandlers: function () { |
| 1309 |
if (this._isXHRUpload(this.options)) { |
| 1310 |
this._on(this.options.dropZone, { |
| 1311 |
dragover: this._onDragOver, |
| 1312 |
drop: this._onDrop, |
| 1313 |
// event.preventDefault() on dragenter is required for IE10+: |
| 1314 |
dragenter: this._onDragEnter, |
| 1315 |
// dragleave is not required, but added for completeness: |
| 1316 |
dragleave: this._onDragLeave |
| 1317 |
}); |
| 1318 |
this._on(this.options.pasteZone, { |
| 1319 |
paste: this._onPaste |
| 1320 |
}); |
| 1321 |
} |
| 1322 |
if ($.support.fileInput) { |
| 1323 |
this._on(this.options.fileInput, { |
| 1324 |
change: this._onChange |
| 1325 |
}); |
| 1326 |
} |
| 1327 |
}, |
| 1328 |
|
| 1329 |
_destroyEventHandlers: function () { |
| 1330 |
this._off(this.options.dropZone, 'dragenter dragleave dragover drop'); |
| 1331 |
this._off(this.options.pasteZone, 'paste'); |
| 1332 |
this._off(this.options.fileInput, 'change'); |
| 1333 |
}, |
| 1334 |
|
| 1335 |
_destroy: function () { |
| 1336 |
this._destroyEventHandlers(); |
| 1337 |
}, |
| 1338 |
|
| 1339 |
_setOption: function (key, value) { |
| 1340 |
var reinit = $.inArray(key, this._specialOptions) !== -1; |
| 1341 |
if (reinit) { |
| 1342 |
this._destroyEventHandlers(); |
| 1343 |
} |
| 1344 |
this._super(key, value); |
| 1345 |
if (reinit) { |
| 1346 |
this._initSpecialOptions(); |
| 1347 |
this._initEventHandlers(); |
| 1348 |
} |
| 1349 |
}, |
| 1350 |
|
| 1351 |
_initSpecialOptions: function () { |
| 1352 |
var options = this.options; |
| 1353 |
if (options.fileInput === undefined) { |
| 1354 |
options.fileInput = this.element.is('input[type="file"]') ? |
| 1355 |
this.element : this.element.find('input[type="file"]'); |
| 1356 |
} else if (!(options.fileInput instanceof $)) { |
| 1357 |
options.fileInput = $(options.fileInput); |
| 1358 |
} |
| 1359 |
if (!(options.dropZone instanceof $)) { |
| 1360 |
options.dropZone = $(options.dropZone); |
| 1361 |
} |
| 1362 |
if (!(options.pasteZone instanceof $)) { |
| 1363 |
options.pasteZone = $(options.pasteZone); |
| 1364 |
} |
| 1365 |
}, |
| 1366 |
|
| 1367 |
_getRegExp: function (str) { |
| 1368 |
var parts = str.split('/'), |
| 1369 |
modifiers = parts.pop(); |
| 1370 |
parts.shift(); |
| 1371 |
return new RegExp(parts.join('/'), modifiers); |
| 1372 |
}, |
| 1373 |
|
| 1374 |
_isRegExpOption: function (key, value) { |
| 1375 |
return key !== 'url' && $.type(value) === 'string' && |
| 1376 |
/^\/.*\/[igm]{0,3}$/.test(value); |
| 1377 |
}, |
| 1378 |
|
| 1379 |
_initDataAttributes: function () { |
| 1380 |
var that = this, |
| 1381 |
options = this.options, |
| 1382 |
data = this.element.data(); |
| 1383 |
// Initialize options set via HTML5 data-attributes: |
| 1384 |
$.each( |
| 1385 |
this.element[0].attributes, |
| 1386 |
function (index, attr) { |
| 1387 |
var key = attr.name.toLowerCase(), |
| 1388 |
value; |
| 1389 |
if (/^data-/.test(key)) { |
| 1390 |
// Convert hyphen-ated key to camelCase: |
| 1391 |
key = key.slice(5).replace(/-[a-z]/g, function (str) { |
| 1392 |
return str.charAt(1).toUpperCase(); |
| 1393 |
}); |
| 1394 |
value = data[key]; |
| 1395 |
if (that._isRegExpOption(key, value)) { |
| 1396 |
value = that._getRegExp(value); |
| 1397 |
} |
| 1398 |
options[key] = value; |
| 1399 |
} |
| 1400 |
} |
| 1401 |
); |
| 1402 |
}, |
| 1403 |
|
| 1404 |
_create: function () { |
| 1405 |
this._initDataAttributes(); |
| 1406 |
this._initSpecialOptions(); |
| 1407 |
this._slots = []; |
| 1408 |
this._sequence = this._getXHRPromise(true); |
| 1409 |
this._sending = this._active = 0; |
| 1410 |
this._initProgressObject(this); |
| 1411 |
this._initEventHandlers(); |
| 1412 |
}, |
| 1413 |
|
| 1414 |
// This method is exposed to the widget API and allows to query |
| 1415 |
// the number of active uploads: |
| 1416 |
active: function () { |
| 1417 |
return this._active; |
| 1418 |
}, |
| 1419 |
|
| 1420 |
// This method is exposed to the widget API and allows to query |
| 1421 |
// the widget upload progress. |
| 1422 |
// It returns an object with loaded, total and bitrate properties |
| 1423 |
// for the running uploads: |
| 1424 |
progress: function () { |
| 1425 |
return this._progress; |
| 1426 |
}, |
| 1427 |
|
| 1428 |
// This method is exposed to the widget API and allows adding files |
| 1429 |
// using the fileupload API. The data parameter accepts an object which |
| 1430 |
// must have a files property and can contain additional options: |
| 1431 |
// .fileupload('add', {files: filesList}); |
| 1432 |
add: function (data) { |
| 1433 |
var that = this; |
| 1434 |
if (!data || this.options.disabled) { |
| 1435 |
return; |
| 1436 |
} |
| 1437 |
if (data.fileInput && !data.files) { |
| 1438 |
this._getFileInputFiles(data.fileInput).always(function (files) { |
| 1439 |
data.files = files; |
| 1440 |
that._onAdd(null, data); |
| 1441 |
}); |
| 1442 |
} else { |
| 1443 |
data.files = $.makeArray(data.files); |
| 1444 |
this._onAdd(null, data); |
| 1445 |
} |
| 1446 |
}, |
| 1447 |
|
| 1448 |
// This method is exposed to the widget API and allows sending files |
| 1449 |
// using the fileupload API. The data parameter accepts an object which |
| 1450 |
// must have a files or fileInput property and can contain additional options: |
| 1451 |
// .fileupload('send', {files: filesList}); |
| 1452 |
// The method returns a Promise object for the file upload call. |
| 1453 |
send: function (data) { |
| 1454 |
if (data && !this.options.disabled) { |
| 1455 |
if (data.fileInput && !data.files) { |
| 1456 |
var that = this, |
| 1457 |
dfd = $.Deferred(), |
| 1458 |
promise = dfd.promise(), |
| 1459 |
jqXHR, |
| 1460 |
aborted; |
| 1461 |
promise.abort = function () { |
| 1462 |
aborted = true; |
| 1463 |
if (jqXHR) { |
| 1464 |
return jqXHR.abort(); |
| 1465 |
} |
| 1466 |
dfd.reject(null, 'abort', 'abort'); |
| 1467 |
return promise; |
| 1468 |
}; |
| 1469 |
this._getFileInputFiles(data.fileInput).always( |
| 1470 |
function (files) { |
| 1471 |
if (aborted) { |
| 1472 |
return; |
| 1473 |
} |
| 1474 |
if (!files.length) { |
| 1475 |
dfd.reject(); |
| 1476 |
return; |
| 1477 |
} |
| 1478 |
data.files = files; |
| 1479 |
jqXHR = that._onSend(null, data); |
| 1480 |
jqXHR.then( |
| 1481 |
function (result, textStatus, jqXHR) { |
| 1482 |
dfd.resolve(result, textStatus, jqXHR); |
| 1483 |
}, |
| 1484 |
function (jqXHR, textStatus, errorThrown) { |
| 1485 |
dfd.reject(jqXHR, textStatus, errorThrown); |
| 1486 |
} |
| 1487 |
); |
| 1488 |
} |
| 1489 |
); |
| 1490 |
return this._enhancePromise(promise); |
| 1491 |
} |
| 1492 |
data.files = $.makeArray(data.files); |
| 1493 |
if (data.files.length) { |
| 1494 |
return this._onSend(null, data); |
| 1495 |
} |
| 1496 |
} |
| 1497 |
return this._getXHRPromise(false, data && data.context); |
| 1498 |
} |
| 1499 |
|
| 1500 |
}); |
| 1501 |
|
| 1502 |
})); |
| 1503 |
|
