1605 lines
55 KiB
JavaScript
1605 lines
55 KiB
JavaScript
/*
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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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/* global define, require */
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/* eslint-disable new-cap */
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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(['jquery', 'jquery/fileUploader/vendor/jquery.ui.widget'], factory);
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} else if (typeof exports === 'object') {
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// Node/CommonJS:
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factory(require('jquery'), require('jquery/fileUploader/vendor/jquery.ui.widget'));
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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 ($) {
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'use strict';
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// Detect file input support, based on
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// https://viljamis.com/2012/file-upload-support-on-mobile/
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$.support.fileInput = !(
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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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$.support.xhrFormDataFileUpload = !!window.FormData;
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// Detect support for Blob slicing (required for chunked uploads):
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$.support.blobSlice =
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window.Blob &&
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(Blob.prototype.slice ||
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Blob.prototype.webkitSlice ||
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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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*
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* @param {string} type Event type
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* @returns {Function} Drag handler
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*/
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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 (
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dataTransfer &&
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$.inArray('Files', dataTransfer.types) !== -1 &&
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this._trigger(type, $.Event(type, { delegatedEvent: e })) !== false
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) {
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e.preventDefault();
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if (isDragOver) {
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dataTransfer.dropEffect = 'copy';
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}
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}
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};
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}
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// The fileupload widget listens for change events on file input fields defined
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// via fileInput setting and paste or drop events of the given dropZone.
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// In addition to the default jQuery Widget methods, the fileupload widget
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// exposes the "add" and "send" methods, to add or directly send files using
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// the fileupload API.
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// By default, files added via file input selection, paste, drag & drop or
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// "add" method are uploaded immediately, but it is possible to override
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// the "add" callback option to queue file uploads.
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$.widget('blueimp.fileupload', {
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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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// By default, duplicate file names are expected to be handled on
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// the server-side. If this is not possible (e.g. when uploading
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// files directly to Amazon S3), the following option can be set to
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// an empty object or an object mapping existing filenames, e.g.:
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// { "image.jpg": true, "image (1).jpg": true }
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// If it is set, all files will be uploaded with unique filenames,
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// adding increasing number suffixes if necessary, e.g.:
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// "image (2).jpg"
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uniqueFilenames: undefined,
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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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// 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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// eslint-disable-next-line no-param-reassign
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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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// eslint-disable-next-line no-param-reassign
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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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// 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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// 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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// .on('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 (
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data.autoUpload ||
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(data.autoUpload !== false &&
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$(this).fileupload('option', 'autoUpload'))
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) {
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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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// Other callbacks:
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// Callback for the submit event of each file upload:
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// submit: function (e, data) {}, // .on('fileuploadsubmit', func);
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// Callback for the start of each file upload request:
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// send: function (e, data) {}, // .on('fileuploadsend', func);
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// Callback for successful uploads:
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// done: function (e, data) {}, // .on('fileuploaddone', func);
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// Callback for failed (abort or error) uploads:
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// fail: function (e, data) {}, // .on('fileuploadfail', func);
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// Callback for completed (success, abort or error) requests:
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// always: function (e, data) {}, // .on('fileuploadalways', func);
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// Callback for upload progress events:
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// progress: function (e, data) {}, // .on('fileuploadprogress', func);
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// Callback for global upload progress events:
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// progressall: function (e, data) {}, // .on('fileuploadprogressall', func);
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// Callback for uploads start, equivalent to the global ajaxStart event:
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// start: function (e) {}, // .on('fileuploadstart', func);
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// Callback for uploads stop, equivalent to the global ajaxStop event:
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// stop: function (e) {}, // .on('fileuploadstop', func);
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// Callback for change events of the fileInput(s):
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// change: function (e, data) {}, // .on('fileuploadchange', func);
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// Callback for paste events to the pasteZone(s):
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// paste: function (e, data) {}, // .on('fileuploadpaste', func);
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// Callback for drop events of the dropZone(s):
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// drop: function (e, data) {}, // .on('fileuploaddrop', func);
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// Callback for dragover events of the dropZone(s):
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// dragover: function (e) {}, // .on('fileuploaddragover', func);
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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) {}, // .on('fileuploadchunkbeforesend', func);
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// Callback for the start of each chunk upload request:
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// chunksend: function (e, data) {}, // .on('fileuploadchunksend', func);
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// Callback for successful chunk uploads:
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// chunkdone: function (e, data) {}, // .on('fileuploadchunkdone', func);
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// Callback for failed (abort or error) chunk uploads:
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// chunkfail: function (e, data) {}, // .on('fileuploadchunkfail', func);
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// Callback for completed (success, abort or error) chunk upload requests:
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// chunkalways: function (e, data) {}, // .on('fileuploadchunkalways', func);
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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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// jQuery versions before 1.8 require promise.pipe if the return value is
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// used, as promise.then in older versions has a different behavior, see:
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// https://blog.jquery.com/2012/08/09/jquery-1-8-released/
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// https://bugs.jquery.com/ticket/11010
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// https://github.com/blueimp/jQuery-File-Upload/pull/3435
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_promisePipe: (function () {
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var parts = $.fn.jquery.split('.');
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return Number(parts[0]) > 1 || Number(parts[1]) > 7 ? 'then' : 'pipe';
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})(),
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// A list of options that require reinitializing event listeners and/or
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// special initialization code:
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_specialOptions: [
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'fileInput',
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'dropZone',
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'pasteZone',
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'multipart',
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'forceIframeTransport'
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],
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_blobSlice:
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$.support.blobSlice &&
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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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}
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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 (
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!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 ($.type(options.formData) === 'function') {
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return options.formData(options.form);
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}
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if ($.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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$.each(files, function (index, file) {
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total += file.size || 1;
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});
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return total;
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},
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_initProgressObject: function (obj) {
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var progress = {
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loaded: 0,
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total: 0,
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bitrate: 0
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};
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if (obj._progress) {
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$.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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_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 (Object.prototype.hasOwnProperty.call(obj._response, prop)) {
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delete obj._response[prop];
|
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}
|
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}
|
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} else {
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obj._response = {};
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}
|
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},
|
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|
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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(),
|
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loaded;
|
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if (
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data._time &&
|
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data.progressInterval &&
|
|
now - data._time < data.progressInterval &&
|
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e.loaded !== e.total
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) {
|
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return;
|
|
}
|
|
data._time = now;
|
|
loaded =
|
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Math.floor(
|
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(e.loaded / e.total) * (data.chunkSize || data._progress.total)
|
|
) + (data.uploadedBytes || 0);
|
|
// Add the difference from the previously loaded state
|
|
// to the global loaded counter:
|
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this._progress.loaded += loaded - data._progress.loaded;
|
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this._progress.bitrate = this._bitrateTimer.getBitrate(
|
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now,
|
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this._progress.loaded,
|
|
data.bitrateInterval
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);
|
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data._progress.loaded = data.loaded = loaded;
|
|
data._progress.bitrate = data.bitrate = data._bitrateTimer.getBitrate(
|
|
now,
|
|
loaded,
|
|
data.bitrateInterval
|
|
);
|
|
// Trigger a custom progress event with a total data property set
|
|
// to the file size(s) of the current upload and a loaded data
|
|
// property calculated accordingly:
|
|
this._trigger(
|
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'progress',
|
|
$.Event('progress', { delegatedEvent: e }),
|
|
data
|
|
);
|
|
// Trigger a global progress event for all current file uploads,
|
|
// including ajax calls queued for sequential file uploads:
|
|
this._trigger(
|
|
'progressall',
|
|
$.Event('progressall', { delegatedEvent: e }),
|
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this._progress
|
|
);
|
|
}
|
|
},
|
|
|
|
_initProgressListener: function (options) {
|
|
var that = this,
|
|
xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
|
|
// Access to the native XHR object is required to add event listeners
|
|
// for the upload progress event:
|
|
if (xhr.upload) {
|
|
$(xhr.upload).on('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;
|
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that._onProgress(e, options);
|
|
});
|
|
options.xhr = function () {
|
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return xhr;
|
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};
|
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}
|
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},
|
|
|
|
_deinitProgressListener: function (options) {
|
|
var xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
|
|
if (xhr.upload) {
|
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$(xhr.upload).off('progress');
|
|
}
|
|
},
|
|
|
|
_isInstanceOf: function (type, obj) {
|
|
// Cross-frame instanceof check
|
|
return Object.prototype.toString.call(obj) === '[object ' + type + ']';
|
|
},
|
|
|
|
_getUniqueFilename: function (name, map) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
name = String(name);
|
|
if (map[name]) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
name = name.replace(
|
|
/(?: \(([\d]+)\))?(\.[^.]+)?$/,
|
|
function (_, p1, p2) {
|
|
var index = p1 ? Number(p1) + 1 : 1;
|
|
var ext = p2 || '';
|
|
return ' (' + index + ')' + ext;
|
|
}
|
|
);
|
|
return this._getUniqueFilename(name, map);
|
|
}
|
|
map[name] = true;
|
|
return name;
|
|
},
|
|
|
|
_initXHRData: function (options) {
|
|
var that = this,
|
|
formData,
|
|
file = options.files[0],
|
|
// Ignore non-multipart setting if not supported:
|
|
multipart = options.multipart || !$.support.xhrFileUpload,
|
|
paramName =
|
|
$.type(options.paramName) === 'array'
|
|
? options.paramName[0]
|
|
: options.paramName;
|
|
options.headers = $.extend({}, options.headers);
|
|
if (options.contentRange) {
|
|
options.headers['Content-Range'] = options.contentRange;
|
|
}
|
|
if (!multipart || options.blob || !this._isInstanceOf('File', file)) {
|
|
options.headers['Content-Disposition'] =
|
|
'attachment; filename="' +
|
|
encodeURI(file.uploadName || file.name) +
|
|
'"';
|
|
}
|
|
if (!multipart) {
|
|
options.contentType = file.type || 'application/octet-stream';
|
|
options.data = options.blob || file;
|
|
} else if ($.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.uploadName || file.name
|
|
);
|
|
} else {
|
|
$.each(options.files, function (index, file) {
|
|
// This check allows the tests to run with
|
|
// dummy objects:
|
|
if (
|
|
that._isInstanceOf('File', file) ||
|
|
that._isInstanceOf('Blob', file)
|
|
) {
|
|
var fileName = file.uploadName || file.name;
|
|
if (options.uniqueFilenames) {
|
|
fileName = that._getUniqueFilename(
|
|
fileName,
|
|
options.uniqueFilenames
|
|
);
|
|
}
|
|
formData.append(
|
|
($.type(options.paramName) === 'array' &&
|
|
options.paramName[index]) ||
|
|
paramName,
|
|
file,
|
|
fileName
|
|
);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
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();
|
|
// eslint-disable-next-line no-param-reassign
|
|
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]))
|
|
[that._promisePipe](function () {
|
|
if (data.errorThrown) {
|
|
return $.Deferred().rejectWith(that, [data]).promise();
|
|
}
|
|
return getPromise(arguments);
|
|
})
|
|
[that._promisePipe](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 = $.Deferred(),
|
|
promise = dfd.promise(),
|
|
jqXHR,
|
|
upload;
|
|
if (
|
|
!(
|
|
this._isXHRUpload(options) &&
|
|
slice &&
|
|
(ub || ($.type(mcs) === 'function' ? mcs(options) : 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 = $.extend({}, options),
|
|
currentLoaded = o._progress.loaded;
|
|
o.blob = slice.call(
|
|
file,
|
|
ub,
|
|
ub + ($.type(mcs) === 'function' ? mcs(o) : 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;
|
|
// Trigger chunkbeforesend to allow form data to be updated for this chunk
|
|
that._trigger('chunkbeforesend', null, o);
|
|
// 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]);
|
|
})
|
|
.always(function () {
|
|
that._deinitProgressListener(o);
|
|
});
|
|
};
|
|
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._deinitProgressListener(options);
|
|
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[that._promisePipe](send);
|
|
} else {
|
|
this._sequence = this._sequence[that._promisePipe](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 losing 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.trigger('focus');
|
|
}
|
|
// Avoid memory leaks with the detached file input:
|
|
$.cleanData(input.off('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(),
|
|
entries = [],
|
|
dirReader,
|
|
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);
|
|
};
|
|
// eslint-disable-next-line no-param-reassign
|
|
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 empty 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);
|
|
})
|
|
)
|
|
[this._promisePipe](function () {
|
|
return Array.prototype.concat.apply([], arguments);
|
|
});
|
|
},
|
|
|
|
_getDroppedFiles: function (dataTransfer) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
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) {
|
|
// eslint-disable-next-line no-param-reassign
|
|
fileInput = $(fileInput);
|
|
var entries = 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))
|
|
[this._promisePipe](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',
|
|
$.Event('drop', { delegatedEvent: e }),
|
|
data
|
|
) !== false
|
|
) {
|
|
that._onAdd(e, data);
|
|
}
|
|
});
|
|
}
|
|
},
|
|
|
|
_onDragOver: getDragHandler('dragover'),
|
|
|
|
_onDragEnter: getDragHandler('dragenter'),
|
|
|
|
_onDragLeave: getDragHandler('dragleave'),
|
|
|
|
_initEventHandlers: function () {
|
|
if (this._isXHRUpload(this.options)) {
|
|
this._on(this.options.dropZone, {
|
|
dragover: this._onDragOver,
|
|
drop: this._onDrop,
|
|
// event.preventDefault() on dragenter is required for IE10+:
|
|
dragenter: this._onDragEnter,
|
|
// dragleave is not required, but added for completeness:
|
|
dragleave: this._onDragLeave
|
|
});
|
|
this._on(this.options.pasteZone, {
|
|
paste: this._onPaste
|
|
});
|
|
}
|
|
if ($.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');
|
|
},
|
|
|
|
_destroy: function () {
|
|
this._destroyEventHandlers();
|
|
},
|
|
|
|
_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);
|
|
}
|
|
});
|
|
});
|