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/* jshint onevar: false, multistr: true */ |
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/* global _wpMediaViewsL10n, _wpGalleryWidgetAdminSettings */ |
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|
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( function( $ ) { |
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var $ids; |
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var $thumbs; |
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|
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$( function() { |
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$( document.body ).on( 'click', '.gallery-widget-choose-images', function( event ) { |
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event.preventDefault(); |
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|
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var widget_form = $( this ).closest( 'form, .form' ); |
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|
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$ids = widget_form.find( '.gallery-widget-ids' ); |
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$thumbs = widget_form.find( '.gallery-widget-thumbs' ); |
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|
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var idsString = $ids.val(); |
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|
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var attachments = getAttachments( idsString ); |
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|
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var selection = null; |
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var editing = false; |
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|
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if ( attachments ) { |
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selection = getSelection( attachments ); |
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|
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editing = true; |
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} |
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|
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var options = { |
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state: 'gallery-edit', |
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title: wp.media.view.l10n.addMedia, |
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multiple: true, |
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editing: editing, |
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selection: selection, |
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}; |
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|
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var workflow = getWorkflow( options ); |
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|
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workflow.open(); |
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} ); |
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|
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// Setup an onchange handler to toggle various options when changing style. The different style options |
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// require different form inputs to be presented in the widget; this event will keep the UI in sync |
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// with the selected style |
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$( '.widget-inside' ).on( 'change', '.gallery-widget-style', setupStyleOptions ); |
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|
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// Setup the Link To options for all forms currently on the page. Does the same as the onChange handler, but |
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// is called once to display the correct form inputs for each widget on the page |
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setupStyleOptions(); |
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} ); |
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|
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var media = wp.media, |
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l10n; |
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|
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// Link any localized strings. |
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l10n = media.view.l10n = typeof _wpMediaViewsL10n === 'undefined' ? {} : _wpMediaViewsL10n; |
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|
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/** |
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* wp.media.view.MediaFrame.GalleryWidget |
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* |
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* This behavior can be very nearly had by setting the workflow's state to 'gallery-edit', but |
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* we cannot use the custom WidgetGalleryEdit controller with it (must overide createStates(), |
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* which is necessary to disable the sidebar gallery settings in the media browser) |
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*/ |
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media.view.MediaFrame.GalleryWidget = media.view.MediaFrame.Post.extend( { |
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createStates: function() { |
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var options = this.options; |
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|
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// `CollectionEdit` and `CollectionAdd` were only introduced in r27214-core, |
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// so they may not be available yet. |
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if ( 'CollectionEdit' in media.controller ) { |
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this.states.add( [ |
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new media.controller.CollectionEdit( { |
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type: 'image', |
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collectionType: 'gallery', |
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title: l10n.editGalleryTitle, |
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SettingsView: media.view.Settings.Gallery, |
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library: options.selection, |
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editing: options.editing, |
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menu: 'gallery', |
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} ), |
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new media.controller.CollectionAdd( { |
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type: 'image', |
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collectionType: 'gallery', |
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title: l10n.addToGalleryTitle, |
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} ), |
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] ); |
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} else { |
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// If `CollectionEdit` is not available, then use the old approach. |
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|
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if ( ! ( 'WidgetGalleryEdit' in media.controller ) ) { |
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// Remove the gallery settings sidebar when editing widgets. |
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media.controller.WidgetGalleryEdit = media.controller.GalleryEdit.extend( { |
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gallerySettings: function(/*browser*/) { |
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return; |
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}, |
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} ); |
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} |
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|
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this.states.add( [ |
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new media.controller.WidgetGalleryEdit( { |
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library: options.selection, |
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editing: options.editing, |
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menu: 'gallery', |
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} ), |
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new media.controller.GalleryAdd( {} ), |
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] ); |
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} |
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}, |
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} ); |
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|
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function setupStyleOptions() { |
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$( '.widget-inside .gallery-widget-style' ).each( function(/*i*/) { |
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var style = $( this ).val(); |
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|
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var form = $( this ).parents( 'form' ); |
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|
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switch ( style ) { |
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case 'slideshow': |
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form.find( '.gallery-widget-link-wrapper' ).hide(); |
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form.find( '.gallery-widget-columns-wrapper' ).hide(); |
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|
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break; |
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|
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default: |
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form.find( '.gallery-widget-link-wrapper' ).show(); |
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form.find( '.gallery-widget-columns-wrapper' ).show(); |
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} |
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} ); |
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} |
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|
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/** |
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* Take a given Selection of attachments and a thumbs wrapper div (jQuery object) |
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* and fill it with thumbnails |
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*/ |
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function setupThumbs( selection, wrapper ) { |
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wrapper.empty(); |
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|
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var imageSize = _wpGalleryWidgetAdminSettings.thumbSize; |
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|
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selection.each( function( model ) { |
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var sizedUrl = model.get( 'url' ) + '?w=' + imageSize + '&h=' + imageSize + '&crop=true'; |
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|
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var thumb = jQuery( '<img>', { |
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src: sizedUrl, |
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alt: model.get( 'title' ), |
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title: model.get( 'title' ), |
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width: imageSize, |
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height: imageSize, |
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class: 'thumb', |
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} ); |
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|
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wrapper.append( thumb ); |
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} ); |
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} |
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|
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/** |
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* Take a csv string of ids (as stored in db) and fetch a full Attachments collection |
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*/ |
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function getAttachments( idsString ) { |
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if ( ! idsString ) { |
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return null; |
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} |
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|
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// Found in /wp-includes/js/media-editor.js |
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var shortcode = wp.shortcode.next( 'gallery', '[gallery ids="' + idsString + '"]' ); |
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|
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// Ignore the rest of the match object, to give attachments() below what it expects |
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shortcode = shortcode.shortcode; |
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|
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var attachments = wp.media.gallery.attachments( shortcode ); |
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|
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return attachments; |
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} |
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|
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/** |
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* Take an Attachments collection and return a corresponding Selection model that can be |
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* passed to a MediaFrame to prepopulate the gallery picker |
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*/ |
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function getSelection( attachments ) { |
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var selection = new wp.media.model.Selection( attachments.models, { |
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props: attachments.props.toJSON(), |
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multiple: true, |
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} ); |
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|
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selection.gallery = attachments.gallery; |
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|
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// Fetch the query's attachments, and then break ties from the |
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// query to allow for sorting. |
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selection.more().done( function() { |
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// Break ties with the query. |
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selection.props.set( { query: false } ); |
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selection.unmirror(); |
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selection.props.unset( 'orderby' ); |
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} ); |
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|
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return selection; |
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} |
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|
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/** |
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* Create a media 'workflow' (MediaFrame). This is the main entry point for the media picker |
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*/ |
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function getWorkflow( options ) { |
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var workflow = new wp.media.view.MediaFrame.GalleryWidget( options ); |
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|
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workflow.on( |
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'update', |
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function( selection ) { |
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var state = workflow.state(); |
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|
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selection = selection || state.get( 'selection' ); |
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|
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if ( ! selection ) { |
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return; |
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} |
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|
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// Map the Models down into a simple array of ids that can be easily imploded to a csv string |
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var ids = selection.map( function( model ) { |
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return model.get( 'id' ); |
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} ); |
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|
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var id_string = ids.join( ',' ); |
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|
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$ids.val( id_string ).trigger( 'change' ); |
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|
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setupThumbs( selection, $thumbs ); |
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}, |
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this |
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); |
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|
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workflow.setState( workflow.options.state ); |
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|
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return workflow; |
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} |
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} )( jQuery ); |
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|
