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e5ea82d81a
Props obrienlabs, thewanderingbrit. Fixes #34887. Built from https://develop.svn.wordpress.org/trunk@36709 git-svn-id: http://core.svn.wordpress.org/trunk@36676 1a063a9b-81f0-0310-95a4-ce76da25c4cd
425 lines
12 KiB
JavaScript
425 lines
12 KiB
JavaScript
/* global pluploadL10n, plupload, _wpPluploadSettings */
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window.wp = window.wp || {};
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( function( exports, $ ) {
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var Uploader;
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if ( typeof _wpPluploadSettings === 'undefined' ) {
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return;
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}
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/**
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* A WordPress uploader.
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*
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* The Plupload library provides cross-browser uploader UI integration.
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* This object bridges the Plupload API to integrate uploads into the
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* WordPress back end and the WordPress media experience.
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*
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* @param {object} options The options passed to the new plupload instance.
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* @param {object} options.container The id of uploader container.
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* @param {object} options.browser The id of button to trigger the file select.
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* @param {object} options.dropzone The id of file drop target.
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* @param {object} options.plupload An object of parameters to pass to the plupload instance.
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* @param {object} options.params An object of parameters to pass to $_POST when uploading the file.
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* Extends this.plupload.multipart_params under the hood.
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*/
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Uploader = function( options ) {
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var self = this,
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isIE = navigator.userAgent.indexOf('Trident/') != -1 || navigator.userAgent.indexOf('MSIE ') != -1,
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elements = {
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container: 'container',
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browser: 'browse_button',
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dropzone: 'drop_element'
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},
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key, error;
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this.supports = {
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upload: Uploader.browser.supported
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};
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this.supported = this.supports.upload;
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if ( ! this.supported ) {
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return;
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}
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// Arguments to send to pluplad.Uploader().
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// Use deep extend to ensure that multipart_params and other objects are cloned.
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this.plupload = $.extend( true, { multipart_params: {} }, Uploader.defaults );
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this.container = document.body; // Set default container.
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// Extend the instance with options.
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//
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// Use deep extend to allow options.plupload to override individual
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// default plupload keys.
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$.extend( true, this, options );
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// Proxy all methods so this always refers to the current instance.
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for ( key in this ) {
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if ( $.isFunction( this[ key ] ) ) {
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this[ key ] = $.proxy( this[ key ], this );
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}
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}
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// Ensure all elements are jQuery elements and have id attributes,
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// then set the proper plupload arguments to the ids.
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for ( key in elements ) {
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if ( ! this[ key ] ) {
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continue;
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}
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this[ key ] = $( this[ key ] ).first();
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if ( ! this[ key ].length ) {
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delete this[ key ];
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continue;
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}
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if ( ! this[ key ].prop('id') ) {
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this[ key ].prop( 'id', '__wp-uploader-id-' + Uploader.uuid++ );
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}
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this.plupload[ elements[ key ] ] = this[ key ].prop('id');
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}
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// If the uploader has neither a browse button nor a dropzone, bail.
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if ( ! ( this.browser && this.browser.length ) && ! ( this.dropzone && this.dropzone.length ) ) {
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return;
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}
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// Make sure flash sends cookies (seems in IE it does without switching to urlstream mode)
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if ( ! isIE && 'flash' === plupload.predictRuntime( this.plupload ) &&
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( ! this.plupload.required_features || ! this.plupload.required_features.hasOwnProperty( 'send_binary_string' ) ) ) {
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this.plupload.required_features = this.plupload.required_features || {};
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this.plupload.required_features.send_binary_string = true;
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}
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// Initialize the plupload instance.
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this.uploader = new plupload.Uploader( this.plupload );
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delete this.plupload;
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// Set default params and remove this.params alias.
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this.param( this.params || {} );
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delete this.params;
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/**
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* Custom error callback.
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*
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* Add a new error to the errors collection, so other modules can track
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* and display errors. @see wp.Uploader.errors.
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*
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* @param {string} message
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* @param {object} data
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* @param {plupload.File} file File that was uploaded.
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*/
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error = function( message, data, file ) {
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if ( file.attachment ) {
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file.attachment.destroy();
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}
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Uploader.errors.unshift({
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message: message || pluploadL10n.default_error,
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data: data,
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file: file
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});
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self.error( message, data, file );
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};
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/**
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* After the Uploader has been initialized, initialize some behaviors for the dropzone.
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*
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* @param {plupload.Uploader} uploader Uploader instance.
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*/
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this.uploader.bind( 'init', function( uploader ) {
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var timer, active, dragdrop,
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dropzone = self.dropzone;
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dragdrop = self.supports.dragdrop = uploader.features.dragdrop && ! Uploader.browser.mobile;
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// Generate drag/drop helper classes.
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if ( ! dropzone ) {
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return;
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}
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dropzone.toggleClass( 'supports-drag-drop', !! dragdrop );
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if ( ! dragdrop ) {
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return dropzone.unbind('.wp-uploader');
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}
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// 'dragenter' doesn't fire correctly, simulate it with a limited 'dragover'.
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dropzone.bind( 'dragover.wp-uploader', function() {
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if ( timer ) {
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clearTimeout( timer );
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}
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if ( active ) {
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return;
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}
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dropzone.trigger('dropzone:enter').addClass('drag-over');
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active = true;
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});
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dropzone.bind('dragleave.wp-uploader, drop.wp-uploader', function() {
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// Using an instant timer prevents the drag-over class from
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// being quickly removed and re-added when elements inside the
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// dropzone are repositioned.
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//
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// @see https://core.trac.wordpress.org/ticket/21705
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timer = setTimeout( function() {
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active = false;
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dropzone.trigger('dropzone:leave').removeClass('drag-over');
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}, 0 );
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});
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self.ready = true;
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$(self).trigger( 'uploader:ready' );
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});
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this.uploader.init();
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if ( this.browser ) {
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this.browser.on( 'mouseenter', this.refresh );
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} else {
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this.uploader.disableBrowse( true );
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// If HTML5 mode, hide the auto-created file container.
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$('#' + this.uploader.id + '_html5_container').hide();
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}
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/**
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* After files were filtered and added to the queue, create a model for each.
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*
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* @event FilesAdded
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* @param {plupload.Uploader} uploader Uploader instance.
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* @param {Array} files Array of file objects that were added to queue by the user.
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*/
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this.uploader.bind( 'FilesAdded', function( up, files ) {
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_.each( files, function( file ) {
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var attributes, image;
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// Ignore failed uploads.
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if ( plupload.FAILED === file.status ) {
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return;
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}
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// Generate attributes for a new `Attachment` model.
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attributes = _.extend({
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file: file,
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uploading: true,
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date: new Date(),
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filename: file.name,
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menuOrder: 0,
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uploadedTo: wp.media.model.settings.post.id
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}, _.pick( file, 'loaded', 'size', 'percent' ) );
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// Handle early mime type scanning for images.
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image = /(?:jpe?g|png|gif)$/i.exec( file.name );
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// For images set the model's type and subtype attributes.
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if ( image ) {
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attributes.type = 'image';
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// `jpeg`, `png` and `gif` are valid subtypes.
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// `jpg` is not, so map it to `jpeg`.
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attributes.subtype = ( 'jpg' === image[0] ) ? 'jpeg' : image[0];
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}
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// Create a model for the attachment, and add it to the Upload queue collection
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// so listeners to the upload queue can track and display upload progress.
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file.attachment = wp.media.model.Attachment.create( attributes );
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Uploader.queue.add( file.attachment );
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self.added( file.attachment );
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});
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up.refresh();
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up.start();
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});
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this.uploader.bind( 'UploadProgress', function( up, file ) {
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file.attachment.set( _.pick( file, 'loaded', 'percent' ) );
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self.progress( file.attachment );
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});
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/**
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* After a file is successfully uploaded, update its model.
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*
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* @param {plupload.Uploader} uploader Uploader instance.
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* @param {plupload.File} file File that was uploaded.
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* @param {Object} response Object with response properties.
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* @return {mixed}
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*/
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this.uploader.bind( 'FileUploaded', function( up, file, response ) {
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var complete;
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try {
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response = JSON.parse( response.response );
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} catch ( e ) {
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return error( pluploadL10n.default_error, e, file );
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}
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if ( ! _.isObject( response ) || _.isUndefined( response.success ) )
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return error( pluploadL10n.default_error, null, file );
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else if ( ! response.success )
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return error( response.data && response.data.message, response.data, file );
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_.each(['file','loaded','size','percent'], function( key ) {
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file.attachment.unset( key );
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});
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file.attachment.set( _.extend( response.data, { uploading: false }) );
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wp.media.model.Attachment.get( response.data.id, file.attachment );
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complete = Uploader.queue.all( function( attachment ) {
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return ! attachment.get('uploading');
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});
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if ( complete )
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Uploader.queue.reset();
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self.success( file.attachment );
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});
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/**
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* When plupload surfaces an error, send it to the error handler.
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*
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* @param {plupload.Uploader} uploader Uploader instance.
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* @param {Object} error Contains code, message and sometimes file and other details.
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*/
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this.uploader.bind( 'Error', function( up, pluploadError ) {
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var message = pluploadL10n.default_error,
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key;
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// Check for plupload errors.
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for ( key in Uploader.errorMap ) {
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if ( pluploadError.code === plupload[ key ] ) {
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message = Uploader.errorMap[ key ];
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if ( _.isFunction( message ) ) {
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message = message( pluploadError.file, pluploadError );
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}
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break;
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}
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}
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error( message, pluploadError, pluploadError.file );
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up.refresh();
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});
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this.uploader.bind( 'PostInit', function() {
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self.init();
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});
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};
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// Adds the 'defaults' and 'browser' properties.
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$.extend( Uploader, _wpPluploadSettings );
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Uploader.uuid = 0;
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// Map Plupload error codes to user friendly error messages.
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Uploader.errorMap = {
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'FAILED': pluploadL10n.upload_failed,
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'FILE_EXTENSION_ERROR': pluploadL10n.invalid_filetype,
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'IMAGE_FORMAT_ERROR': pluploadL10n.not_an_image,
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'IMAGE_MEMORY_ERROR': pluploadL10n.image_memory_exceeded,
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'IMAGE_DIMENSIONS_ERROR': pluploadL10n.image_dimensions_exceeded,
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'GENERIC_ERROR': pluploadL10n.upload_failed,
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'IO_ERROR': pluploadL10n.io_error,
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'HTTP_ERROR': pluploadL10n.http_error,
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'SECURITY_ERROR': pluploadL10n.security_error,
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'FILE_SIZE_ERROR': function( file ) {
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return pluploadL10n.file_exceeds_size_limit.replace('%s', file.name);
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}
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};
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$.extend( Uploader.prototype, {
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/**
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* Acts as a shortcut to extending the uploader's multipart_params object.
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*
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* param( key )
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* Returns the value of the key.
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*
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* param( key, value )
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* Sets the value of a key.
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*
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* param( map )
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* Sets values for a map of data.
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*/
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param: function( key, value ) {
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if ( arguments.length === 1 && typeof key === 'string' ) {
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return this.uploader.settings.multipart_params[ key ];
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}
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if ( arguments.length > 1 ) {
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this.uploader.settings.multipart_params[ key ] = value;
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} else {
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$.extend( this.uploader.settings.multipart_params, key );
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}
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},
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/**
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* Make a few internal event callbacks available on the wp.Uploader object
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* to change the Uploader internals if absolutely necessary.
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*/
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init: function() {},
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error: function() {},
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success: function() {},
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added: function() {},
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progress: function() {},
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complete: function() {},
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refresh: function() {
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var node, attached, container, id;
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if ( this.browser ) {
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node = this.browser[0];
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// Check if the browser node is in the DOM.
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while ( node ) {
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if ( node === document.body ) {
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attached = true;
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break;
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}
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node = node.parentNode;
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}
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// If the browser node is not attached to the DOM, use a
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// temporary container to house it, as the browser button
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// shims require the button to exist in the DOM at all times.
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if ( ! attached ) {
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id = 'wp-uploader-browser-' + this.uploader.id;
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container = $( '#' + id );
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if ( ! container.length ) {
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container = $('<div class="wp-uploader-browser" />').css({
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position: 'fixed',
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top: '-1000px',
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left: '-1000px',
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height: 0,
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width: 0
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}).attr( 'id', 'wp-uploader-browser-' + this.uploader.id ).appendTo('body');
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}
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container.append( this.browser );
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}
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}
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this.uploader.refresh();
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}
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});
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// Create a collection of attachments in the upload queue,
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// so that other modules can track and display upload progress.
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Uploader.queue = new wp.media.model.Attachments( [], { query: false });
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// Create a collection to collect errors incurred while attempting upload.
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Uploader.errors = new Backbone.Collection();
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exports.Uploader = Uploader;
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})( wp, jQuery );
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