window.wp = window.wp || {}; (function( exports, $ ) { var Uploader; if ( typeof _wpPluploadSettings === 'undefined' ) return; /* * An object that helps create a WordPress uploader using plupload. * * @param options - object - The options passed to the new plupload instance. * Accepts the following parameters: * - container - The id of uploader container. * - browser - The id of button to trigger the file select. * - dropzone - The id of file drop target. * - plupload - An object of parameters to pass to the plupload instance. * - params - An object of parameters to pass to $_POST when uploading the file. * Extends this.plupload.multipart_params under the hood. * * @param attributes - object - Attributes and methods for this specific instance. */ Uploader = function( options ) { var self = this, elements = { container: 'container', browser: 'browse_button', dropzone: 'drop_element' }, key, error; this.supports = { upload: Uploader.browser.supported }; this.supported = this.supports.upload; if ( ! this.supported ) return; // Use deep extend to ensure that multipart_params and other objects are cloned. this.plupload = $.extend( true, { multipart_params: {} }, Uploader.defaults ); this.container = document.body; // Set default container. // Extend the instance with options // // Use deep extend to allow options.plupload to override individual // default plupload keys. $.extend( true, this, options ); // Proxy all methods so this always refers to the current instance. for ( key in this ) { if ( $.isFunction( this[ key ] ) ) this[ key ] = $.proxy( this[ key ], this ); } // Ensure all elements are jQuery elements and have id attributes // Then set the proper plupload arguments to the ids. for ( key in elements ) { if ( ! this[ key ] ) continue; this[ key ] = $( this[ key ] ).first(); if ( ! this[ key ].length ) { delete this[ key ]; continue; } if ( ! this[ key ].prop('id') ) this[ key ].prop( 'id', '__wp-uploader-id-' + Uploader.uuid++ ); this.plupload[ elements[ key ] ] = this[ key ].prop('id'); } // If the uploader has neither a browse button nor a dropzone, bail. if ( ! ( this.browser && this.browser.length ) && ! ( this.dropzone && this.dropzone.length ) ) return; this.uploader = new plupload.Uploader( this.plupload ); delete this.plupload; // Set default params and remove this.params alias. this.param( this.params || {} ); delete this.params; error = function( message, data, file ) { if ( file.attachment ) file.attachment.destroy(); Uploader.errors.unshift({ message: message || pluploadL10n.default_error, data: data, file: file }); self.error( message, data, file ); }; this.uploader.init(); this.supports.dragdrop = this.uploader.features.dragdrop && ! Uploader.browser.mobile; // Generate drag/drop helper classes. (function( dropzone, supported ) { var timer, active; if ( ! dropzone ) return; dropzone.toggleClass( 'supports-drag-drop', !! supported ); if ( ! supported ) return dropzone.unbind('.wp-uploader'); // 'dragenter' doesn't fire correctly, // simulate it with a limited 'dragover' dropzone.bind( 'dragover.wp-uploader', function(){ if ( timer ) clearTimeout( timer ); if ( active ) return; dropzone.trigger('dropzone:enter').addClass('drag-over'); active = true; }); dropzone.bind('dragleave.wp-uploader, drop.wp-uploader', function(){ // Using an instant timer prevents the drag-over class from // being quickly removed and re-added when elements inside the // dropzone are repositioned. // // See http://core.trac.wordpress.org/ticket/21705 timer = setTimeout( function() { active = false; dropzone.trigger('dropzone:leave').removeClass('drag-over'); }, 0 ); }); }( this.dropzone, this.supports.dragdrop )); if ( this.browser ) { this.browser.on( 'mouseenter', this.refresh ); } else { this.uploader.disableBrowse( true ); // If HTML5 mode, hide the auto-created file container. $('#' + this.uploader.id + '_html5_container').hide(); } this.uploader.bind( 'FilesAdded', function( up, files ) { _.each( files, function( file ) { var attributes, image; // Generate attributes for a new `Attachment` model. attributes = _.extend({ file: file, uploading: true, date: new Date(), filename: file.name }, _.pick( file, 'loaded', 'size', 'percent' ) ); // Handle early mime type scanning for images. image = /(?:jpe?g|png|gif)$/i.exec( file.name ); // Did we find an image? if ( image ) { attributes.type = 'image'; // `jpeg`, `png` and `gif` are valid subtypes. // `jpg` is not, so map it to `jpeg`. attributes.subtype = ( 'jpg' === image[0] ) ? 'jpeg' : image[0]; } // Create the `Attachment`. file.attachment = wp.media.model.Attachment.create( attributes ); Uploader.queue.add( file.attachment ); self.added( file.attachment ); }); up.refresh(); up.start(); }); this.uploader.bind( 'UploadProgress', function( up, file ) { file.attachment.set( _.pick( file, 'loaded', 'percent' ) ); self.progress( file.attachment ); }); this.uploader.bind( 'FileUploaded', function( up, file, response ) { var complete; try { response = JSON.parse( response.response ); } catch ( e ) { return error( pluploadL10n.default_error, e, file ); } if ( ! _.isObject( response ) || _.isUndefined( response.success ) ) return error( pluploadL10n.default_error, null, file ); else if ( ! response.success ) return error( response.data && response.data.message, response.data, file ); _.each(['file','loaded','size','percent'], function( key ) { file.attachment.unset( key ); }); file.attachment.set( _.extend( response.data, { uploading: false }) ); wp.media.model.Attachment.get( response.data.id, file.attachment ); complete = Uploader.queue.all( function( attachment ) { return ! attachment.get('uploading'); }); if ( complete ) Uploader.queue.reset(); self.success( file.attachment ); }); this.uploader.bind( 'Error', function( up, pluploadError ) { var message = pluploadL10n.default_error, key; // Check for plupload errors. for ( key in Uploader.errorMap ) { if ( pluploadError.code === plupload[ key ] ) { message = Uploader.errorMap[ key ]; if ( _.isFunction( message ) ) message = message( pluploadError.file, pluploadError ); break; } } error( message, pluploadError, pluploadError.file ); up.refresh(); }); this.init(); }; // Adds the 'defaults' and 'browser' properties. $.extend( Uploader, _wpPluploadSettings ); Uploader.uuid = 0; Uploader.errorMap = { 'FAILED': pluploadL10n.upload_failed, 'FILE_EXTENSION_ERROR': pluploadL10n.invalid_filetype, 'IMAGE_FORMAT_ERROR': pluploadL10n.not_an_image, 'IMAGE_MEMORY_ERROR': pluploadL10n.image_memory_exceeded, 'IMAGE_DIMENSIONS_ERROR': pluploadL10n.image_dimensions_exceeded, 'GENERIC_ERROR': pluploadL10n.upload_failed, 'IO_ERROR': pluploadL10n.io_error, 'HTTP_ERROR': pluploadL10n.http_error, 'SECURITY_ERROR': pluploadL10n.security_error, 'FILE_SIZE_ERROR': function( file ) { return pluploadL10n.file_exceeds_size_limit.replace('%s', file.name); } }; $.extend( Uploader.prototype, { /** * Acts as a shortcut to extending the uploader's multipart_params object. * * param( key ) * Returns the value of the key. * * param( key, value ) * Sets the value of a key. * * param( map ) * Sets values for a map of data. */ param: function( key, value ) { if ( arguments.length === 1 && typeof key === 'string' ) return this.uploader.settings.multipart_params[ key ]; if ( arguments.length > 1 ) { this.uploader.settings.multipart_params[ key ] = value; } else { $.extend( this.uploader.settings.multipart_params, key ); } }, init: function() {}, error: function() {}, success: function() {}, added: function() {}, progress: function() {}, complete: function() {}, refresh: function() { this.uploader.refresh(); } }); Uploader.queue = new wp.media.model.Attachments( [], { query: false }); Uploader.errors = new Backbone.Collection(); exports.Uploader = Uploader; })( wp, jQuery );