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<title>[29555] trunk/src/wp-includes/js/media-views.js: Initial cleanup after [29220]:</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/29555">29555</a></dd>
<dt>Author</dt> <dd>wonderboymusic</dd>
<dt>Date</dt> <dd>2014-08-20 19:13:50 +0000 (Wed, 20 Aug 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Initial cleanup after <a href="http://core.trac.wordpress.org/changeset/29220">[29220]</a>:

* Alter/remove some jQuery global selectors, views should only manage themselves
* Trigger an event for attachments when arrow keys are pressed: `attachment:keydown:arrow`
* `media.view.Attachments` should listen for `attachment:keydown:arrow`
* Favor scoped selectors over globals

See <a href="http://core.trac.wordpress.org/ticket/23560">#23560</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesjsmediaviewsjs">trunk/src/wp-includes/js/media-views.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesjsmediaviewsjs"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/js/media-views.js (29554 => 29555)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/js/media-views.js  2014-08-20 17:29:36 UTC (rev 29554)
+++ trunk/src/wp-includes/js/media-views.js     2014-08-20 19:13:50 UTC (rev 29555)
</span><span class="lines">@@ -4854,49 +4854,8 @@
</span><span class="cx">           * @param {Object} event
</span><span class="cx">           */
</span><span class="cx">          arrowEvent: function( event ) {
</span><del>-                       var attachment = $('.attachments-browser .attachment'),
-                               attachmentsWidth = $('.attachments-browser .attachments').width(),
-                               thumbnailWidth = attachment.first().outerWidth(),
-                               thumbnailsPerRow = Math.round( attachmentsWidth / thumbnailWidth ),
-                               totalThumnails = attachment.length,
-                               totalRows = Math.ceil(totalThumnails/thumbnailsPerRow),
-                               thisIndex = attachment.filter( ':focus' ).index(),
-                               thisIndexAdjusted = thisIndex + 1,
-                               thisRow = thisIndexAdjusted <= thumbnailsPerRow ? 1 : Math.ceil(thisIndexAdjusted/thumbnailsPerRow);
-
-                               // Left arrow
-                               if ( 37 === event.keyCode ) {
-                                       if ( 0 === thisIndex ) {
-                                               return;
-                                       }
-                                       attachment.eq( thisIndex - 1 ).focus();
-                               }
-
-                               // Up arrow
-                               if ( 38 === event.keyCode ) {
-                                       if ( 1 === thisRow ) {
-                                               return;
-                                       }
-                                       attachment.eq( thisIndex - thumbnailsPerRow ).focus();
-                               }
-
-                               // Right arrow
-                               if ( 39 === event.keyCode ) {
-                                       if ( totalThumnails === thisIndex ) {
-                                               return;
-                                       }
-                                       attachment.eq( thisIndex + 1 ).focus();
-                               }
-
-                               // Down arrow
-                               if ( 40 === event.keyCode ) {
-                                       if ( totalRows === thisRow ) {
-                                               return;
-                                       }
-                                       attachment.eq( thisIndex + thumbnailsPerRow ).focus();
-                               }
-
-                               return false;
</del><ins>+                        this.controller.trigger( 'attachment:keydown:arrow', event );
+                       return false;
</ins><span class="cx">           },
</span><span class="cx">          /**
</span><span class="cx">           * @param {Object} options
</span><span class="lines">@@ -5315,6 +5274,8 @@
</span><span class="cx"> 
</span><span class="cx">                  this.collection.on( 'reset', this.render, this );
</span><span class="cx"> 
</span><ins>+                       this.listenTo( this.controller, 'attachment:keydown:arrow', this.arrowEvent );
+
</ins><span class="cx">                   // Throttle the scroll handler and bind this.
</span><span class="cx">                  this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();
</span><span class="cx"> 
</span><span class="lines">@@ -5335,6 +5296,45 @@
</span><span class="cx">                  _.defer( this.setColumns, this );
</span><span class="cx">          },
</span><span class="cx"> 
</span><ins>+               arrowEvent: function( event ) {
+                       var attachments = this.$el.children( 'li' ),
+                               perRow = Math.round( this.$el.width() / attachments.first().outerWidth() ),
+                               index = attachments.filter( ':focus' ).index(),
+                               row = ( index + 1 ) <= perRow ? 1 : Math.ceil( ( index + 1 ) / perRow );
+
+                       // Left arrow
+                       if ( 37 === event.keyCode ) {
+                               if ( 0 === index ) {
+                                       return;
+                               }
+                               attachments.eq( index - 1 ).focus();
+                       }
+
+                       // Up arrow
+                       if ( 38 === event.keyCode ) {
+                               if ( 1 === row ) {
+                                       return;
+                               }
+                               attachments.eq( index - perRow ).focus();
+                       }
+
+                       // Right arrow
+                       if ( 39 === event.keyCode ) {
+                               if ( attachments.length === index ) {
+                                       return;
+                               }
+                               attachments.eq( index + 1 ).focus();
+                       }
+
+                       // Down arrow
+                       if ( 40 === event.keyCode ) {
+                               if ( Math.ceil( attachments.length / perRow ) === row ) {
+                                       return;
+                               }
+                               attachments.eq( index + perRow ).focus();
+                       }
+               },
+
</ins><span class="cx">           dispose: function() {
</span><span class="cx">                  this.collection.props.off( null, null, this );
</span><span class="cx">                  $( window ).off( 'resize.media-modal-columns' );
</span><span class="lines">@@ -6581,12 +6581,11 @@
</span><span class="cx">           * @param {Object} event
</span><span class="cx">           */
</span><span class="cx">          toggleSelectionHandler: function( event ) {
</span><del>-                       if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === $( ':tabbable', this.$el ).filter( ':first' )[0] ) {
-                               $('.attachments-browser .details').focus();
</del><ins>+                        if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === this.$( ':tabbable' ).get( 0 ) ) {
+                               this.$( ':tabbable' ).eq( 0 ).blur();
</ins><span class="cx">                           return false;
</span><span class="cx">                  }
</span><span class="cx">          }
</span><del>-
</del><span class="cx">   });
</span><span class="cx"> 
</span><span class="cx">  /**
</span></span></pre>
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