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<title>[23487] trunk: Post locks: use heartbeat to dynamically update locked posts on the Posts screen, first run, see #23312</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/23487">23487</a></dd>
<dt>Author</dt> <dd>azaozz</dd>
<dt>Date</dt> <dd>2013-02-25 23:17:10 +0000 (Mon, 25 Feb 2013)</dd>
</dl>
<h3>Log Message</h3>
<pre>Post locks: use heartbeat to dynamically update locked posts on the Posts screen, first run, see <a href="http://core.trac.wordpress.org/ticket/23312">#23312</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadmineditphp">trunk/wp-admin/edit.php</a></li>
<li><a href="#trunkwpadminincludesclasswppostslisttablephp">trunk/wp-admin/includes/class-wp-posts-list-table.php</a></li>
<li><a href="#trunkwpadminincludesmiscphp">trunk/wp-admin/includes/misc.php</a></li>
<li><a href="#trunkwpincludesscriptloaderphp">trunk/wp-includes/script-loader.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkwpadminjseditpostjs">trunk/wp-admin/js/edit-post.js</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadmineditphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/edit.php (23486 => 23487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/edit.php 2013-02-25 22:58:42 UTC (rev 23486)
+++ trunk/wp-admin/edit.php 2013-02-25 23:17:10 UTC (rev 23487)
</span><span class="lines">@@ -145,6 +145,7 @@
</span><span class="cx"> $wp_list_table->prepare_items();
</span><span class="cx">
</span><span class="cx"> wp_enqueue_script('inline-edit-post');
</span><ins>+wp_enqueue_script('edit-post');
</ins><span class="cx">
</span><span class="cx"> $title = $post_type_object->labels->name;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkwpadminincludesclasswppostslisttablephp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/includes/class-wp-posts-list-table.php (23486 => 23487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/includes/class-wp-posts-list-table.php 2013-02-25 22:58:42 UTC (rev 23486)
+++ trunk/wp-admin/includes/class-wp-posts-list-table.php 2013-02-25 23:17:10 UTC (rev 23487)
</span><span class="lines">@@ -555,7 +555,7 @@
</span><span class="cx">
</span><span class="cx"> if ( $lock_holder && $can_edit_post && $post->post_status != 'trash' ) {
</span><span class="cx"> printf( '<span class="lock-holder">%s</span>',
</span><del>- esc_html( sprintf( __( '%s is currently editing' ), $lock_holder->display_name ) ) );
</del><ins>+ esc_html( sprintf( __( '%s is currently editing' ), $lock_holder->display_name ) ) );
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if ( ! $this->hierarchical_display && 'excerpt' == $mode && current_user_can( 'read_post', $post->ID ) )
</span></span></pre></div>
<a id="trunkwpadminincludesmiscphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/includes/misc.php (23486 => 23487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/includes/misc.php 2013-02-25 22:58:42 UTC (rev 23486)
+++ trunk/wp-admin/includes/misc.php 2013-02-25 23:17:10 UTC (rev 23487)
</span><span class="lines">@@ -561,3 +561,29 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx"> add_action('admin_head', '_ipad_meta');
</span><ins>+
+/**
+ * Check lock status for posts displayed on the Posts screen
+ *
+ * @since 3.6
+ */
+function wp_check_locked_posts( $response, $data ) {
+ $checked = array();
+
+ if ( array_key_exists( 'wp-check-locked', $data ) && is_array( $data['wp-check-locked'] ) ) {
+ foreach ( $data['wp-check-locked'] as $key ) {
+ $post_id = (int) substr( $key, 5 );
+
+ if ( current_user_can( 'edit_post', $post_id ) && ( $user_id = wp_check_post_lock( $post_id ) ) ) {
+ if ( $user = get_userdata( $user_id ) )
+ $checked[$key] = sprintf( __( '%s is currently editing' ), $user->display_name );
+ }
+ }
+ }
+
+ if ( ! empty( $checked ) )
+ $response['wp-check-locked'] = $checked;
+
+ return $response;
+}
+add_filter( 'heartbeat_received', 'wp_check_locked_posts', 10, 2 );
</ins></span></pre></div>
<a id="trunkwpadminjseditpostjs"></a>
<div class="addfile"><h4>Added: trunk/wp-admin/js/edit-post.js (0 => 23487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/js/edit-post.js (rev 0)
+++ trunk/wp-admin/js/edit-post.js 2013-02-25 23:17:10 UTC (rev 23487)
</span><span class="lines">@@ -0,0 +1,25 @@
</span><ins>+(function($){
+ $( document ).on( 'heartbeat-tick.wp-check-locked', function( e, data ) {
+ var locked = data['wp-check-locked'] || {};
+
+ $('#the-list tr').each( function(i, el) {
+ var key = el.id, row = $(el);
+
+ if ( locked.hasOwnProperty( key ) ) {
+ if ( ! row.hasClass('wp-locked') )
+ row.addClass('wp-locked').find('.column-title strong').after( $('<span class="lock-holder" />').text(locked[key]) );
+ row.find('.check-column checkbox').prop('checked', false);
+ } else if ( row.hasClass('wp-locked') ) {
+ row.removeClass('wp-locked').find('.column-title span.lock-holder').remove();
+ }
+ });
+ }).on( 'heartbeat-send.wp-check-locked', function( e, data ) {
+ var check = [];
+
+ $('#the-list tr').each( function(i, el) {
+ check.push( el.id );
+ });
+
+ data['wp-check-locked'] = check;
+ });
+}(jQuery));
</ins><span class="cx">Property changes on: trunk/wp-admin/js/edit-post.js
</span><span class="cx">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4>Added: svn:eol-style</h4></div>
<a id="trunkwpincludesscriptloaderphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/script-loader.php (23486 => 23487)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/script-loader.php 2013-02-25 22:58:42 UTC (rev 23486)
+++ trunk/wp-includes/script-loader.php 2013-02-25 23:17:10 UTC (rev 23487)
</span><span class="lines">@@ -416,6 +416,8 @@
</span><span class="cx"> // @todo: Core no longer uses theme-preview.js. Remove?
</span><span class="cx"> $scripts->add( 'theme-preview', "/wp-admin/js/theme-preview$suffix.js", array( 'thickbox', 'jquery' ), false, 1 );
</span><span class="cx">
</span><ins>+ $scripts->add( 'edit-post', "/wp-admin/js/edit-post$suffix.js", array( 'heartbeat' ), false, 1 );
+
</ins><span class="cx"> $scripts->add( 'inline-edit-post', "/wp-admin/js/inline-edit-post$suffix.js", array( 'jquery', 'suggest' ), false, 1 );
</span><span class="cx"> did_action( 'init' ) && $scripts->localize( 'inline-edit-post', 'inlineEditL10n', array(
</span><span class="cx"> 'error' => __('Error while saving the changes.'),
</span></span></pre>
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