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<title>[27841] trunk/src/wp-includes/js/media-views.js: Media Manager: Hide 'Create Playlist' menu items until the user has uploaded audio or video.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/27841">27841</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2014-03-29 08:01:13 +0000 (Sat, 29 Mar 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Media Manager: Hide 'Create Playlist' menu items until the user has uploaded audio or video.
props gcorne.
fixes <a href="http://core.trac.wordpress.org/ticket/27554">#27554</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesjsmediaviewsjs">trunk/src/wp-includes/js/media-views.js</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesjsmediaviewsjs"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/js/media-views.js (27840 => 27841)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/js/media-views.js 2014-03-29 07:53:47 UTC (rev 27840)
+++ trunk/src/wp-includes/js/media-views.js 2014-03-29 08:01:13 UTC (rev 27841)
</span><span class="lines">@@ -1885,6 +1885,17 @@
</span><span class="cx"> */
</span><span class="cx"> media.view.MediaFrame.Post = media.view.MediaFrame.Select.extend({
</span><span class="cx"> initialize: function() {
</span><ins>+ this.counts = {
+ audio: {
+ count: media.view.settings.attachmentCounts.audio,
+ state: 'playlist'
+ },
+ video: {
+ count: media.view.settings.attachmentCounts.video,
+ state: 'video-playlist'
+ }
+ };
+
</ins><span class="cx"> _.defaults( this.options, {
</span><span class="cx"> multiple: true,
</span><span class="cx"> editing: false,
</span><span class="lines">@@ -1895,6 +1906,7 @@
</span><span class="cx"> */
</span><span class="cx"> media.view.MediaFrame.Select.prototype.initialize.apply( this, arguments );
</span><span class="cx"> this.createIframeStates();
</span><ins>+
</ins><span class="cx"> },
</span><span class="cx">
</span><span class="cx"> createStates: function() {
</span><span class="lines">@@ -2032,10 +2044,21 @@
</span><span class="cx"> },
</span><span class="cx">
</span><span class="cx"> bindHandlers: function() {
</span><del>- /**
- * call 'bindHandlers' directly on the parent class
- */
</del><ins>+ var handlers, checkCounts;
+
</ins><span class="cx"> media.view.MediaFrame.Select.prototype.bindHandlers.apply( this, arguments );
</span><ins>+
+ this.on( 'activate', this.activate, this );
+
+ // Only bother checking media type counts if one of the counts is zero
+ checkCounts = _.find( this.counts, function( type ) {
+ return type.count === 0;
+ } );
+
+ if ( typeof checkCounts !== 'undefined' ) {
+ this.listenTo( media.model.Attachments.all, 'change:type', this.mediaTypeCounts );
+ }
+
</ins><span class="cx"> this.on( 'menu:create:gallery', this.createMenu, this );
</span><span class="cx"> this.on( 'menu:create:playlist', this.createMenu, this );
</span><span class="cx"> this.on( 'menu:create:video-playlist', this.createMenu, this );
</span><span class="lines">@@ -2046,7 +2069,7 @@
</span><span class="cx"> this.on( 'toolbar:create:featured-image', this.featuredImageToolbar, this );
</span><span class="cx"> this.on( 'toolbar:create:main-embed', this.mainEmbedToolbar, this );
</span><span class="cx">
</span><del>- var handlers = {
</del><ins>+ handlers = {
</ins><span class="cx"> menu: {
</span><span class="cx"> 'default': 'mainMenu',
</span><span class="cx"> 'gallery': 'galleryMenu',
</span><span class="lines">@@ -2081,6 +2104,22 @@
</span><span class="cx"> }, this );
</span><span class="cx"> },
</span><span class="cx">
</span><ins>+ activate: function() {
+ // Hide menu items for states tied to particular media types if there are no items
+ _.each( this.counts, function( type ) {
+ if ( type.count < 1 ) {
+ this.menuItemVisibility( type.state, 'hide' );
+ }
+ }, this );
+ },
+
+ mediaTypeCounts: function( model, attr ) {
+ if ( typeof this.counts[ attr ] !== 'undefined' && this.counts[ attr ].count < 1 ) {
+ this.counts[ attr ].count++;
+ this.menuItemVisibility( this.counts[ attr ].state, 'show' );
+ }
+ },
+
</ins><span class="cx"> // Menus
</span><span class="cx"> /**
</span><span class="cx"> * @param {wp.Backbone.View} view
</span><span class="lines">@@ -2093,6 +2132,15 @@
</span><span class="cx"> })
</span><span class="cx"> });
</span><span class="cx"> },
</span><ins>+
+ menuItemVisibility: function( state, visibility ) {
+ var menu = this.menu.get();
+ if ( visibility === 'hide' ) {
+ menu.hide( state );
+ } else if ( visibility === 'show' ) {
+ menu.show( state );
+ }
+ },
</ins><span class="cx"> /**
</span><span class="cx"> * @param {wp.Backbone.View} view
</span><span class="cx"> */
</span><span class="lines">@@ -4066,6 +4114,26 @@
</span><span class="cx">
</span><span class="cx"> deselect: function() {
</span><span class="cx"> this.$el.children().removeClass('active');
</span><ins>+ },
+
+ hide: function( id ) {
+ var view = this.get( id );
+
+ if ( ! view ) {
+ return;
+ }
+
+ view.$el.addClass('hidden');
+ },
+
+ show: function( id ) {
+ var view = this.get( id );
+
+ if ( ! view ) {
+ return;
+ }
+
+ view.$el.removeClass('hidden');
</ins><span class="cx"> }
</span><span class="cx"> });
</span><span class="cx">
</span></span></pre>
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