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Edit File: media-gallery-widget.js
/** * @output wp-admin/js/widgets/media-gallery-widget.js */ /* eslint consistent-this: [ "error", "control" ] */ (function( component ) { 'use strict'; var GalleryWidgetModel, GalleryWidgetControl, GalleryDetailsMediaFrame; /** * Custom gallery details frame. * * @since 4.9.0 * @class wp.mediaWidgets~GalleryDetailsMediaFrame * @augments wp.media.view.MediaFrame.Post */ GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend(/** @lends wp.mediaWidgets~GalleryDetailsMediaFrame.prototype */{ /** * Create the default states. * * @since 4.9.0 * @return {void} */ createStates: function createStates() { this.states.add([ new wp.media.controller.Library({ id: 'gallery', title: wp.media.view.l10n.createGalleryTitle, priority: 40, toolbar: 'main-gallery', filterable: 'uploaded', multiple: 'add', editable: true, library: wp.media.query( _.defaults({ type: 'image' }, this.options.library ) ) }), // Gallery states. new wp.media.controller.GalleryEdit({ library: this.options.selection, editing: this.options.editing, menu: 'gallery' }), new wp.media.controller.GalleryAdd() ]); } } ); /** * Gallery widget model. * * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports. * * @since 4.9.0 * * @class wp.mediaWidgets.modelConstructors.media_gallery * @augments wp.mediaWidgets.MediaWidgetModel */ GalleryWidgetModel = component.MediaWidgetModel.extend(/** @lends wp.mediaWidgets.modelConstructors.media_gallery.prototype */{} ); GalleryWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_gallery.prototype */{ /** * View events. * * @since 4.9.0 * @type {object} */ events: _.extend( {}, component.MediaWidgetControl.prototype.events, { 'click .media-widget-gallery-preview': 'editMedia' } ), /** * Gallery widget control. * * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports. * * @constructs wp.mediaWidgets.controlConstructors.media_gallery * @augments wp.mediaWidgets.MediaWidgetControl * * @since 4.9.0 * @param {Object} options - Options. * @param {Backbone.Model} options.model - Model. * @param {jQuery} options.el - Control field container element. * @param {jQuery} options.syncContainer - Container element where fields are synced for the server. * @return {void} */ initialize: function initialize( options ) { var control = this; component.MediaWidgetControl.prototype.initialize.call( control, options ); _.bindAll( control, 'updateSelectedAttachments', 'handleAttachmentDestroy' ); control.selectedAttachments = new wp.media.model.Attachments(); control.model.on( 'change:ids', control.updateSelectedAttachments ); control.selectedAttachments.on( 'change', control.renderPreview ); control.selectedAttachments.on( 'reset', control.renderPreview ); control.updateSelectedAttachments(); /* * Refresh a Gallery widget partial when the user modifies one of the selected attachments. * This ensures that when an attachment's caption is updated in the media modal the Gallery * widget in the preview will then be refreshed to show the change. Normally doing this * would not be necessary because all of the state should be contained inside the changeset, * as everything done in the Customizer should not make a change to the site unless the * changeset itself is published. Attachments are a current exception to this rule. * For a proposal to include attachments in the customized state, see #37887. */ if ( wp.customize && wp.customize.previewer ) { control.selectedAttachments.on( 'change', function() { wp.customize.previewer.send( 'refresh-widget-partial', control.model.get( 'widget_id' ) ); } ); } }, /** * Update the selected attachments if necessary. * * @since 4.9.0 * @return {void} */ updateSelectedAttachments: function updateSelectedAttachments() { var control = this, newIds, oldIds, removedIds, addedIds, addedQuery; newIds = control.model.get( 'ids' ); oldIds = _.pluck( control.selectedAttachments.models, 'id' ); removedIds = _.difference( oldIds, newIds ); _.each( removedIds, function( removedId ) { control.selectedAttachments.remove( control.selectedAttachments.get( removedId ) ); }); addedIds = _.difference( newIds, oldIds ); if ( addedIds.length ) { addedQuery = wp.media.query({ order: 'ASC', orderby: 'post__in', perPage: -1, post__in: newIds, query: true, type: 'image' }); addedQuery.more().done( function() { control.selectedAttachments.reset( addedQuery.models ); }); } }, /** * Render preview. * * @since 4.9.0 * @return {void} */ renderPreview: function renderPreview() { var control = this, previewContainer, previewTemplate, data; previewContainer = control.$el.find( '.media-widget-preview' ); previewTemplate = wp.template( 'wp-media-widget-gallery-preview' ); data = control.previewTemplateProps.toJSON(); data.attachments = {}; control.selectedAttachments.each( function( attachment ) { data.attachments[ attachment.id ] = attachment.toJSON(); } ); previewContainer.html( previewTemplate( data ) ); }, /** * Determine whether there are selected attachments. * * @since 4.9.0 * @return {boolean} Selected. */ isSelected: function isSelected() { var control = this; if ( control.model.get( 'error' ) ) { return false; } return control.model.get( 'ids' ).length > 0; }, /** * Open the media select frame to edit images. * * @since 4.9.0 * @return {void} */ editMedia: function editMedia() { var control = this, selection, mediaFrame, mediaFrameProps; selection = new wp.media.model.Selection( control.selectedAttachments.models, { multiple: true }); mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() ); selection.gallery = new Backbone.Model( mediaFrameProps ); if ( mediaFrameProps.size ) { control.displaySettings.set( 'size', mediaFrameProps.size ); } mediaFrame = new GalleryDetailsMediaFrame({ frame: 'manage', text: control.l10n.add_to_widget, selection: selection, mimeType: control.mime_type, selectedDisplaySettings: control.displaySettings, showDisplaySettings: control.showDisplaySettings, metadata: mediaFrameProps, editing: true, multiple: true, state: 'gallery-edit' }); wp.media.frame = mediaFrame; // See wp.media(). // Handle selection of a media item. mediaFrame.on( 'update', function onUpdate( newSelection ) { var state = mediaFrame.state(), resultSelection; resultSelection = newSelection || state.get( 'selection' ); if ( ! resultSelection ) { return; } // Copy orderby_random from gallery state. if ( resultSelection.gallery ) { control.model.set( control.mapMediaToModelProps( resultSelection.gallery.toJSON() ) ); } // Directly update selectedAttachments to prevent needing to do additional request. control.selectedAttachments.reset( resultSelection.models ); // Update models in the widget instance. control.model.set( { ids: _.pluck( resultSelection.models, 'id' ) } ); } ); mediaFrame.$el.addClass( 'media-widget' ); mediaFrame.open(); if ( selection ) { selection.on( 'destroy', control.handleAttachmentDestroy ); } }, /** * Open the media select frame to chose an item. * * @since 4.9.0 * @return {void} */ selectMedia: function selectMedia() { var control = this, selection, mediaFrame, mediaFrameProps; selection = new wp.media.model.Selection( control.selectedAttachments.models, { multiple: true }); mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() ); if ( mediaFrameProps.size ) { control.displaySettings.set( 'size', mediaFrameProps.size ); } mediaFrame = new GalleryDetailsMediaFrame({ frame: 'select', text: control.l10n.add_to_widget, selection: selection, mimeType: control.mime_type, selectedDisplaySettings: control.displaySettings, showDisplaySettings: control.showDisplaySettings, metadata: mediaFrameProps, state: 'gallery' }); wp.media.frame = mediaFrame; // See wp.media(). // Handle selection of a media item. mediaFrame.on( 'update', function onUpdate( newSelection ) { var state = mediaFrame.state(), resultSelection; resultSelection = newSelection || state.get( 'selection' ); if ( ! resultSelection ) { return; } // Copy orderby_random from gallery state. if ( resultSelection.gallery ) { control.model.set( control.mapMediaToModelProps( resultSelection.gallery.toJSON() ) ); } // Directly update selectedAttachments to prevent needing to do additional request. control.selectedAttachments.reset( resultSelection.models ); // Update widget instance. control.model.set( { ids: _.pluck( resultSelection.models, 'id' ) } ); } ); mediaFrame.$el.addClass( 'media-widget' ); mediaFrame.open(); if ( selection ) { selection.on( 'destroy', control.handleAttachmentDestroy ); } /* * Make sure focus is set inside of modal so that hitting Esc will close * the modal and not inadvertently cause the widget to collapse in the customizer. */ mediaFrame.$el.find( ':focusable:first' ).focus(); }, /** * Clear the selected attachment when it is deleted in the media select frame. * * @since 4.9.0 * @param {wp.media.models.Attachment} attachment - Attachment. * @return {void} */ handleAttachmentDestroy: function handleAttachmentDestroy( attachment ) { var control = this; control.model.set( { ids: _.difference( control.model.get( 'ids' ), [ attachment.id ] ) } ); } } ); // Exports. component.controlConstructors.media_gallery = GalleryWidgetControl; component.modelConstructors.media_gallery = GalleryWidgetModel; })( wp.mediaWidgets );