Changeset 23862

Timestamp:

03/29/2013 12:08:42 PM (12 years ago)

Author:

markjaquith

Message:

Use the revisioned post format metadata when previewing.

fixes #23539. props kovshenin.

Location:

trunk

Files:

• wp-admin/includes/post.php (modified) (1 diff)
• wp-includes/revision.php (modified) (1 diff)

trunk/wp-admin/includes/post.php

@@ -1279 +1279 @@
         $new_autosave['ID'] = $old_autosave->ID;
         $new_autosave['post_author'] = $post_author;
+
+        // Auto-save revisioned meta fields too.
+        foreach ( _wp_post_revision_meta_keys() as $meta_key ) {
+            if ( ! isset( $_POST[ $meta_key ] ) )
+                continue;
+
+            // Use the underlying delete_metadata and add_metadata vs delete_post_meta
+            // and add_post_meta to make sure we're working with the actual revision meta.
+            delete_metadata( 'post', $new_autosave['ID'], $meta_key );
+            add_metadata( 'post', $new_autosave['ID'], $meta_key, $_POST[ $meta_key ] );
+        }
+
         return wp_update_post( $new_autosave );
     }

trunk/wp-includes/revision.php

@@ -505 +505 @@
     $post->post_excerpt = $preview->post_excerpt;
 
+    add_filter( 'get_post_metadata', '_wp_preview_meta_filter', 10, 4 );
+
     return $post;
+}
+
+/**
+ * Filters post meta retrieval to get values from the actual autosave post,
+ * and not its parent. Filters revisioned meta keys only.
+ *
+ * @since 3.6
+ * @access private
+ */
+function _wp_preview_meta_filter( $value, $object_id, $meta_key, $single ) {
+    $post = get_post();
+
+    if ( $post->ID != $object_id || ! in_array( $meta_key, _wp_post_revision_meta_keys() ) || 'revision' == $post->post_type )
+        return $value;
+
+    $preview = wp_get_post_autosave( $post->ID );
+    return get_post_meta( $preview->ID, $meta_key, $single );
 }