]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-admin/includes/nav-menu.php
Wordpress 3.0
[autoinstalls/wordpress.git] / wp-admin / includes / nav-menu.php
diff --git a/wp-admin/includes/nav-menu.php b/wp-admin/includes/nav-menu.php
new file mode 100644 (file)
index 0000000..e467559
--- /dev/null
@@ -0,0 +1,1139 @@
+<?php
+
+/**
+ * Create HTML list of nav menu input items.
+ *
+ * @package WordPress
+ * @since 3.0.0
+ * @uses Walker_Nav_Menu
+ */
+class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
+       /**
+        * @see Walker_Nav_Menu::start_lvl()
+        * @since 3.0.0
+        *
+        * @param string $output Passed by reference.
+        * @param int $depth Depth of page.
+        */
+       function start_lvl(&$output) {}
+
+       /**
+        * @see Walker_Nav_Menu::end_lvl()
+        * @since 3.0.0
+        *
+        * @param string $output Passed by reference.
+        * @param int $depth Depth of page.
+        */
+       function end_lvl(&$output) {
+       }
+
+       /**
+        * @see Walker::start_el()
+        * @since 3.0.0
+        *
+        * @param string $output Passed by reference. Used to append additional content.
+        * @param object $item Menu item data object.
+        * @param int $depth Depth of menu item. Used for padding.
+        * @param int $current_page Menu item ID.
+        * @param object $args
+        */
+       function start_el(&$output, $item, $depth, $args) {
+               global $_wp_nav_menu_max_depth;
+               $_wp_nav_menu_max_depth = $depth > $_wp_nav_menu_max_depth ? $depth : $_wp_nav_menu_max_depth;
+
+               $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
+
+               ob_start();
+               $item_id = esc_attr( $item->ID );
+               $removed_args = array(
+                       'action',
+                       'customlink-tab',
+                       'edit-menu-item',
+                       'menu-item',
+                       'page-tab',
+                       '_wpnonce',
+               );
+
+               $original_title = '';
+               if ( 'taxonomy' == $item->type ) {
+                       $original_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
+               } elseif ( 'post_type' == $item->type ) {
+                       $original_object = get_post( $item->object_id );
+                       $original_title = $original_object->post_title;
+               }
+
+               $classes = array(
+                       'menu-item menu-item-depth-' . $depth,
+                       'menu-item-' . esc_attr( $item->object ),
+                       'menu-item-edit-' . ( ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? 'active' : 'inactive'),
+               );
+
+               $title = $item->title;
+
+               if ( isset( $item->post_status ) && 'draft' == $item->post_status ) {
+                       $classes[] = 'pending';
+                       /* translators: %s: title of menu item in draft status */
+                       $title = sprintf( __('%s (Pending)'), $item->title );
+               }
+
+               $title = empty( $item->label ) ? $title : $item->label;
+
+               ?>
+               <li id="menu-item-<?php echo $item_id; ?>" class="<?php echo implode(' ', $classes ); ?>">
+                       <dl class="menu-item-bar">
+                               <dt class="menu-item-handle">
+                                       <span class="item-title"><?php echo esc_html( $title ); ?></span>
+                                       <span class="item-controls">
+                                               <span class="item-type"><?php echo esc_html( $item->type_label ); ?></span>
+                                               <span class="item-order">
+                                                       <a href="<?php
+                                                               echo wp_nonce_url(
+                                                                       add_query_arg(
+                                                                               array(
+                                                                                       'action' => 'move-up-menu-item',
+                                                                                       'menu-item' => $item_id,
+                                                                               ),
+                                                                               remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
+                                                                       ),
+                                                                       'move-menu_item'
+                                                               );
+                                                       ?>" class="item-move-up"><abbr title="<?php esc_attr_e('Move up'); ?>">&#8593;</abbr></a>
+                                                       |
+                                                       <a href="<?php
+                                                               echo wp_nonce_url(
+                                                                       add_query_arg(
+                                                                               array(
+                                                                                       'action' => 'move-down-menu-item',
+                                                                                       'menu-item' => $item_id,
+                                                                               ),
+                                                                               remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
+                                                                       ),
+                                                                       'move-menu_item'
+                                                               );
+                                                       ?>" class="item-move-down"><abbr title="<?php esc_attr_e('Move down'); ?>">&#8595;</abbr></a>
+                                               </span>
+                                               <a class="item-edit" id="edit-<?php echo $item_id; ?>" title="<?php _e('Edit Menu Item'); ?>" href="<?php
+                                                       echo ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? admin_url( 'nav-menus.php' ) : add_query_arg( 'edit-menu-item', $item_id, remove_query_arg( $removed_args, admin_url( 'nav-menus.php#menu-item-settings-' . $item_id ) ) );
+                                               ?>"><?php _e( 'Edit Menu Item' ); ?></a>
+                                       </span>
+                               </dt>
+                       </dl>
+
+                       <div class="menu-item-settings" id="menu-item-settings-<?php echo $item_id; ?>">
+                               <?php if( 'custom' == $item->type ) : ?>
+                                       <p class="field-url description description-wide">
+                                               <label for="edit-menu-item-url-<?php echo $item_id; ?>">
+                                                       <?php _e( 'URL' ); ?><br />
+                                                       <input type="text" id="edit-menu-item-url-<?php echo $item_id; ?>" class="widefat code edit-menu-item-url" name="menu-item-url[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->url ); ?>" />
+                                               </label>
+                                       </p>
+                               <?php endif; ?>
+                               <p class="description description-thin">
+                                       <label for="edit-menu-item-title-<?php echo $item_id; ?>">
+                                               <?php _e( 'Navigation Label' ); ?><br />
+                                               <input type="text" id="edit-menu-item-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-title" name="menu-item-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->title ); ?>" />
+                                       </label>
+                               </p>
+                               <p class="description description-thin">
+                                       <label for="edit-menu-item-attr-title-<?php echo $item_id; ?>">
+                                               <?php _e( 'Title Attribute' ); ?><br />
+                                               <input type="text" id="edit-menu-item-attr-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->post_excerpt ); ?>" />
+                                       </label>
+                               </p>
+                               <p class="field-link-target description description-thin">
+                                       <label for="edit-menu-item-target-<?php echo $item_id; ?>">
+                                               <?php _e( 'Link Target' ); ?><br />
+                                               <select id="edit-menu-item-target-<?php echo $item_id; ?>" class="widefat edit-menu-item-target" name="menu-item-target[<?php echo $item_id; ?>]">
+                                                       <option value="" <?php selected( $item->target, ''); ?>><?php _e('Same window or tab'); ?></option>
+                                                       <option value="_blank" <?php selected( $item->target, '_blank'); ?>><?php _e('New window or tab'); ?></option>
+                                               </select>
+                                       </label>
+                               </p>
+                               <p class="field-css-classes description description-thin">
+                                       <label for="edit-menu-item-classes-<?php echo $item_id; ?>">
+                                               <?php _e( 'CSS Classes (optional)' ); ?><br />
+                                               <input type="text" id="edit-menu-item-classes-<?php echo $item_id; ?>" class="widefat code edit-menu-item-classes" name="menu-item-classes[<?php echo $item_id; ?>]" value="<?php echo esc_attr( implode(' ', $item->classes ) ); ?>" />
+                                       </label>
+                               </p>
+                               <p class="field-xfn description description-thin">
+                                       <label for="edit-menu-item-xfn-<?php echo $item_id; ?>">
+                                               <?php _e( 'Link Relationship (XFN)' ); ?><br />
+                                               <input type="text" id="edit-menu-item-xfn-<?php echo $item_id; ?>" class="widefat code edit-menu-item-xfn" name="menu-item-xfn[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->xfn ); ?>" />
+                                       </label>
+                               </p>
+                               <p class="field-description description description-wide">
+                                       <label for="edit-menu-item-description-<?php echo $item_id; ?>">
+                                               <?php _e( 'Description' ); ?><br />
+                                               <textarea id="edit-menu-item-description-<?php echo $item_id; ?>" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description[<?php echo $item_id; ?>]"><?php echo esc_html( $item->description ); ?></textarea>
+                                               <span class="description"><?php _e('The description will be displayed in the menu if the current theme supports it.'); ?></span>
+                                       </label>
+                               </p>
+
+                               <div class="menu-item-actions description-wide submitbox">
+                                       <?php if( 'custom' != $item->type ) : ?>
+                                               <p class="link-to-original">
+                                                       <?php printf( __('Original: %s'), '<a href="' . esc_attr( $item->url ) . '">' . esc_html( $original_title ) . '</a>' ); ?>
+                                               </p>
+                                       <?php endif; ?>
+                                       <a class="item-delete submitdelete deletion" id="delete-<?php echo $item_id; ?>" href="<?php
+                                       echo wp_nonce_url(
+                                               add_query_arg(
+                                                       array(
+                                                               'action' => 'delete-menu-item',
+                                                               'menu-item' => $item_id,
+                                                       ),
+                                                       remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
+                                               ),
+                                               'delete-menu_item_' . $item_id
+                                       ); ?>"><?php _e('Remove'); ?></a> <span class="meta-sep"> | </span> <a class="item-cancel submitcancel" id="cancel-<?php echo $item_id; ?>" href="<?php echo add_query_arg( array('edit-menu-item' => $item_id, 'cancel' => time()), remove_query_arg( $removed_args, admin_url( 'nav-menus.php' ) ) );
+                                               ?>#menu-item-settings-<?php echo $item_id; ?>"><?php _e('Cancel'); ?></a>
+                               </div>
+
+                               <input class="menu-item-data-db-id" type="hidden" name="menu-item-db-id[<?php echo $item_id; ?>]" value="<?php echo $item_id; ?>" />
+                               <input class="menu-item-data-object-id" type="hidden" name="menu-item-object-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object_id ); ?>" />
+                               <input class="menu-item-data-object" type="hidden" name="menu-item-object[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object ); ?>" />
+                               <input class="menu-item-data-parent-id" type="hidden" name="menu-item-parent-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_item_parent ); ?>" />
+                               <input class="menu-item-data-position" type="hidden" name="menu-item-position[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_order ); ?>" />
+                               <input class="menu-item-data-type" type="hidden" name="menu-item-type[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->type ); ?>" />
+                       </div><!-- .menu-item-settings-->
+                       <ul class="menu-item-transport"></ul>
+               <?php
+               $output .= ob_get_clean();
+       }
+}
+
+/**
+ * Create HTML list of nav menu input items.
+ *
+ * @package WordPress
+ * @since 3.0.0
+ * @uses Walker_Nav_Menu
+ */
+class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu  {
+
+       /**
+        * @see Walker::start_el()
+        * @since 3.0.0
+        *
+        * @param string $output Passed by reference. Used to append additional content.
+        * @param object $item Menu item data object.
+        * @param int $depth Depth of menu item. Used for padding.
+        * @param int $current_page Menu item ID.
+        * @param object $args
+        */
+       function start_el(&$output, $item, $depth, $args) {
+               global $_nav_menu_placeholder;
+
+               $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
+               $possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder;
+               $possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0;
+
+               $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
+
+               $output .= $indent . '<li>';
+               $output .= '<label class="menu-item-title">';
+               $output .= '<input type="checkbox" class="menu-item-checkbox';
+               if ( ! empty( $item->_add_to_top ) ) {
+                       $output .= ' add-to-top';
+               }
+               $output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';
+               $output .= empty( $item->label ) ? esc_html( $item->title ) : esc_html( $item->label );
+               $output .= '</label>';
+
+               // Menu item hidden fields
+               $output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />';
+               $output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="'. esc_attr( $item->object ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-parent-id" name="menu-item[' . $possible_object_id . '][menu-item-parent-id]" value="'. esc_attr( $item->menu_item_parent ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="'. esc_attr( $item->type ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="'. esc_attr( $item->title ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="'. esc_attr( $item->url ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="'. esc_attr( $item->target ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-attr_title" name="menu-item[' . $possible_object_id . '][menu-item-attr_title]" value="'. esc_attr( $item->attr_title ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-description" name="menu-item[' . $possible_object_id . '][menu-item-description]" value="'. esc_attr( $item->description ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="'. esc_attr( implode( ' ', $item->classes ) ) .'" />';
+               $output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="'. esc_attr( $item->xfn ) .'" />';
+       }
+}
+
+/**
+ * Prints the appropriate response to a menu quick search.
+ *
+ * @since 3.0.0
+ *
+ * @param array $request The unsanitized request values.
+ */
+function _wp_ajax_menu_quick_search( $request = array() ) {
+       $args = array();
+       $type = isset( $request['type'] ) ? $request['type'] : '';
+       $object_type = isset( $request['object_type'] ) ? $request['object_type'] : '';
+       $query = isset( $request['q'] ) ? $request['q'] : '';
+       $response_format = isset( $request['response-format'] ) && in_array( $request['response-format'], array( 'json', 'markup' ) ) ? $request['response-format'] : 'json';
+
+       if ( 'markup' == $response_format ) {
+               $args['walker'] = new Walker_Nav_Menu_Checklist;
+       }
+
+       if ( 'get-post-item' == $type ) {
+               if ( post_type_exists( $object_type ) ) {
+                       if ( isset( $request['ID'] ) ) {
+                               $object_id = (int) $request['ID'];
+                               if ( 'markup' == $response_format ) {
+                                       echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $object_id ) ) ), 0, (object) $args );
+                               } elseif ( 'json' == $response_format ) {
+                                       $post_obj = get_post( $object_id );
+                                       echo json_encode(
+                                               array(
+                                                       'ID' => $object_id,
+                                                       'post_title' => get_the_title( $object_id ),
+                                                       'post_type' => get_post_type( $object_id ),
+                                               )
+                                       );
+                                       echo "\n";
+                               }
+                       }
+               } elseif ( taxonomy_exists( $object_type ) ) {
+                       if ( isset( $request['ID'] ) ) {
+                               $object_id = (int) $request['ID'];
+                               if ( 'markup' == $response_format ) {
+                                       echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ), 0, (object) $args );
+                               } elseif ( 'json' == $response_format ) {
+                                       $post_obj = get_term( $object_id, $object_type );
+                                       echo json_encode(
+                                               array(
+                                                       'ID' => $object_id,
+                                                       'post_title' => $post_obj->name,
+                                                       'post_type' => $object_type,
+                                               )
+                                       );
+                                       echo "\n";
+                               }
+                       }
+
+               }
+
+
+       } elseif ( preg_match('/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches) ) {
+               if ( 'posttype' == $matches[1] && get_post_type_object( $matches[2] ) ) {
+                       query_posts(array(
+                               'posts_per_page' => 10,
+                               'post_type' => $matches[2],
+                               's' => $query,
+                       ));
+                       if ( ! have_posts() )
+                               return;
+                       while ( have_posts() ) {
+                               the_post();
+                               if ( 'markup' == $response_format ) {
+                                       echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( get_the_ID() ) ) ), 0, (object) $args );
+                               } elseif ( 'json' == $response_format ) {
+                                       echo json_encode(
+                                               array(
+                                                       'ID' => get_the_ID(),
+                                                       'post_title' => get_the_title(),
+                                                       'post_type' => get_post_type(),
+                                               )
+                                       );
+                                       echo "\n";
+                               }
+                       }
+               } elseif ( 'taxonomy' == $matches[1] ) {
+                       $terms = get_terms( $matches[2], array(
+                               'name__like' => $query,
+                               'number' => 10,
+                       ));
+                       if ( empty( $terms ) || is_wp_error( $terms ) )
+                               return;
+                       foreach( (array) $terms as $term ) {
+                               if ( 'markup' == $response_format ) {
+                                       echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( $term ) ), 0, (object) $args );
+                               } elseif ( 'json' == $response_format ) {
+                                       echo json_encode(
+                                               array(
+                                                       'ID' => $term->term_id,
+                                                       'post_title' => $term->name,
+                                                       'post_type' => $matches[2],
+                                               )
+                                       );
+                                       echo "\n";
+                               }
+                       }
+               }
+       }
+}
+
+/**
+ * Register nav menu metaboxes and advanced menu items
+ *
+ * @since 3.0.0
+ **/
+function wp_nav_menu_setup() {
+       // Register meta boxes
+       if ( wp_get_nav_menus() )
+               add_meta_box( 'nav-menu-theme-locations', __( 'Theme Locations' ), 'wp_nav_menu_locations_meta_box' , 'nav-menus', 'side', 'default' );
+       add_meta_box( 'add-custom-links', __('Custom Links'), 'wp_nav_menu_item_link_meta_box', 'nav-menus', 'side', 'default' );
+       wp_nav_menu_post_type_meta_boxes();
+       wp_nav_menu_taxonomy_meta_boxes();
+
+       // Register advanced menu items (columns)
+       add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns');
+
+       // If first time editing, disable advanced items by default.
+       if( false === get_user_option( 'managenav-menuscolumnshidden' ) ) {
+               $user = wp_get_current_user();
+               update_user_option($user->ID, 'managenav-menuscolumnshidden',
+                       array( 0 => 'link-target', 1 => 'css-classes', 2 => 'xfn', 3 => 'description', ),
+                       true);
+       }
+}
+
+/**
+ * Limit the amount of meta boxes to just links, pages and cats for first time users.
+ *
+ * @since 3.0.0
+ **/
+function wp_initial_nav_menu_meta_boxes() {
+       global $wp_meta_boxes;
+
+       if ( get_user_option( 'metaboxhidden_nav-menus' ) !== false || ! is_array($wp_meta_boxes) )
+               return;
+
+       $initial_meta_boxes = array( 'nav-menu-theme-locations', 'add-custom-links', 'add-page', 'add-category' );
+       $hidden_meta_boxes = array();
+
+       foreach ( array_keys($wp_meta_boxes['nav-menus']) as $context ) {
+               foreach ( array_keys($wp_meta_boxes['nav-menus'][$context]) as $priority ) {
+                       foreach ( $wp_meta_boxes['nav-menus'][$context][$priority] as $box ) {
+                               if ( in_array( $box['id'], $initial_meta_boxes ) ) {
+                                       unset( $box['id'] );
+                               } else {
+                                       $hidden_meta_boxes[] = $box['id'];
+                               }
+                       }
+               }
+       }
+
+       $user = wp_get_current_user();
+       update_user_option( $user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true );
+}
+
+/**
+ * Creates metaboxes for any post type menu item.
+ *
+ * @since 3.0.0
+ */
+function wp_nav_menu_post_type_meta_boxes() {
+       $post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
+
+       if ( ! $post_types )
+               return;
+
+       foreach ( $post_types as $post_type ) {
+               $post_type = apply_filters( 'nav_menu_meta_box_object', $post_type );
+               if ( $post_type ) {
+                       $id = $post_type->name;
+                       add_meta_box( "add-{$id}", $post_type->labels->name, 'wp_nav_menu_item_post_type_meta_box', 'nav-menus', 'side', 'default', $post_type );
+               }
+       }
+}
+
+/**
+ * Creates metaboxes for any taxonomy menu item.
+ *
+ * @since 3.0.0
+ */
+function wp_nav_menu_taxonomy_meta_boxes() {
+       $taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'object' );
+
+       if ( !$taxonomies )
+               return;
+
+       foreach ( $taxonomies as $tax ) {
+               $tax = apply_filters( 'nav_menu_meta_box_object', $tax );
+               if ( $tax ) {
+                       $id = $tax->name;
+                       add_meta_box( "add-{$id}", $tax->labels->name, 'wp_nav_menu_item_taxonomy_meta_box', 'nav-menus', 'side', 'default', $tax );
+               }
+       }
+}
+
+/**
+ * Displays a metabox for the nav menu theme locations.
+ *
+ * @since 3.0.0
+ */
+function wp_nav_menu_locations_meta_box() {
+       global $nav_menu_selected_id;
+
+       if ( ! current_theme_supports( 'menus' ) ) {
+               // We must only support widgets. Leave a message and bail.
+               echo '<p class="howto">' . __('The current theme does not natively support menus, but you can use the &#8220;Custom Menu&#8221; widget to add any menus you create here to the theme&#8217;s sidebar.') . '</p>';
+               return;
+       }
+
+       $locations = get_registered_nav_menus();
+       $menus = wp_get_nav_menus();
+       $menu_locations = get_nav_menu_locations();
+       $num_locations = count( array_keys($locations) );
+
+       echo '<p class="howto">' . sprintf( _n('Your theme supports %s menu. Select which menu you would like to use.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n($num_locations) ) . '</p>';
+
+       foreach ( $locations as $location => $description ) {
+               ?>
+               <p>
+                       <label class="howto" for="locations-<?php echo $location; ?>">
+                               <span><?php echo $description; ?></span>
+                               <select name="menu-locations[<?php echo $location; ?>]" id="locations-<?php echo $location; ?>">
+                                       <option value="0"></option>
+                                       <?php foreach ( $menus as $menu ) : ?>
+                                       <option<?php selected( isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $menu->term_id ); ?>
+                                               value="<?php echo $menu->term_id; ?>"><?php
+                                               $truncated_name = wp_html_excerpt( $menu->name, 40 );
+                                               echo $truncated_name == $menu->name ? $menu->name : trim( $truncated_name ) . '&hellip;';
+                                       ?></option>
+                                       <?php endforeach; ?>
+                               </select>
+                       </label>
+               </p>
+       <?php
+       }
+       ?>
+       <p class="button-controls">
+               <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
+               <input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-primary" name="nav-menu-locations" value="<?php esc_attr_e( 'Save' ); ?>" />
+       </p>
+       <?php
+}
+
+/**
+ * Displays a metabox for the custom links menu item.
+ *
+ * @since 3.0.0
+ */
+function wp_nav_menu_item_link_meta_box() {
+       global $_nav_menu_placeholder, $nav_menu_selected_id;
+       $_nav_menu_placeholder = 0 > $_nav_menu_placeholder ? $_nav_menu_placeholder - 1 : -1;
+
+       $current_tab = 'create';
+       if ( isset( $_REQUEST['customlink-tab'] ) && in_array( $_REQUEST['customlink-tab'], array('create', 'all') ) ) {
+               $current_tab = $_REQUEST['customlink-tab'];
+       }
+
+       $removed_args = array(
+               'action',
+               'customlink-tab',
+               'edit-menu-item',
+               'menu-item',
+               'page-tab',
+               '_wpnonce',
+       );
+
+       ?>
+       <div class="customlinkdiv" id="customlinkdiv">
+
+                       <input type="hidden" value="custom" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-type]" />
+                       <p id="menu-item-url-wrap">
+                               <label class="howto" for="custom-menu-item-url">
+                                       <span><?php _e('URL'); ?></span>
+                                       <input id="custom-menu-item-url" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-url]" type="text" class="code menu-item-textbox" value="http://" />
+                               </label>
+                       </p>
+
+                       <p id="menu-item-name-wrap">
+                               <label class="howto" for="custom-menu-item-name">
+                                       <span><?php _e('Label'); ?></span>
+                                       <input id="custom-menu-item-name" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-title]" type="text" class="regular-text menu-item-textbox input-with-default-title" title="<?php esc_attr_e('Menu Item'); ?>" />
+                               </label>
+                       </p>
+
+               <p class="button-controls">
+                       <span class="add-to-menu">
+                               <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
+                               <input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" id="submit-customlinkdiv" />
+                       </span>
+               </p>
+
+       </div><!-- /.customlinkdiv -->
+       <?php
+}
+
+/**
+ * Displays a metabox for a post type menu item.
+ *
+ * @since 3.0.0
+ *
+ * @param string $object Not used.
+ * @param string $post_type The post type object.
+ */
+function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
+       global $_nav_menu_placeholder, $nav_menu_selected_id;
+
+       $post_type_name = $post_type['args']->name;
+
+       // paginate browsing for large numbers of post objects
+       $per_page = 50;
+       $pagenum = isset( $_REQUEST[$post_type_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
+       $offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
+
+       $args = array(
+               'offset' => $offset,
+               'order' => 'ASC',
+               'orderby' => 'title',
+               'posts_per_page' => $per_page,
+               'post_type' => $post_type_name,
+               'suppress_filters' => true,
+               'update_post_term_cache' => false,
+               'update_post_meta_cache' => false
+       );
+
+       if ( isset( $post_type['args']->_default_query ) )
+               $args = array_merge($args, (array) $post_type['args']->_default_query );
+
+       // @todo transient caching of these results with proper invalidation on updating of a post of this type
+       $get_posts = new WP_Query;
+       $posts = $get_posts->query( $args );
+       if ( ! $get_posts->post_count ) {
+               echo '<p>' . __( 'No items.' ) . '</p>';
+               return;
+       }
+
+       $post_type_object = get_post_type_object($post_type_name);
+
+       $num_pages = $get_posts->max_num_pages;
+
+       $page_links = paginate_links( array(
+               'base' => add_query_arg(
+                       array(
+                               $post_type_name . '-tab' => 'all',
+                               'paged' => '%#%',
+                               'item-type' => 'post_type',
+                               'item-object' => $post_type_name,
+                       )
+               ),
+               'format' => '',
+               'prev_text' => __('&laquo;'),
+               'next_text' => __('&raquo;'),
+               'total' => $num_pages,
+               'current' => $pagenum
+       ));
+
+       if ( !$posts )
+               $error = '<li id="error">'. $post_type['args']->labels->not_found .'</li>';
+
+       $walker = new Walker_Nav_Menu_Checklist;
+
+       $current_tab = 'most-recent';
+       if ( isset( $_REQUEST[$post_type_name . '-tab'] ) && in_array( $_REQUEST[$post_type_name . '-tab'], array('all', 'search') ) ) {
+               $current_tab = $_REQUEST[$post_type_name . '-tab'];
+       }
+
+       if ( ! empty( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {
+               $current_tab = 'search';
+       }
+
+       $removed_args = array(
+               'action',
+               'customlink-tab',
+               'edit-menu-item',
+               'menu-item',
+               'page-tab',
+               '_wpnonce',
+       );
+
+       ?>
+       <div id="posttype-<?php echo $post_type_name; ?>" class="posttypediv">
+               <ul id="posttype-<?php echo $post_type_name; ?>-tabs" class="posttype-tabs add-menu-item-tabs">
+                       <li <?php echo ( 'most-recent' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'most-recent', remove_query_arg($removed_args))); ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent"><?php _e('Most Recent'); ?></a></li>
+                       <li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'all', remove_query_arg($removed_args))); ?>#<?php echo $post_type_name; ?>-all"><?php _e('View All'); ?></a></li>
+                       <li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'search', remove_query_arg($removed_args))); ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-search"><?php _e('Search'); ?></a></li>
+               </ul>
+
+               <div id="tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent" class="tabs-panel <?php
+                       echo ( 'most-recent' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+               ?>">
+                       <ul id="<?php echo $post_type_name; ?>checklist-most-recent" class="categorychecklist form-no-clear">
+                               <?php
+                               $recent_args = array_merge( $args, array( 'orderby' => 'post_date', 'order' => 'DESC', 'showposts' => 15 ) );
+                               $most_recent = $get_posts->query( $recent_args );
+                               $args['walker'] = $walker;
+                               echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $most_recent), 0, (object) $args );
+                               ?>
+                       </ul>
+               </div><!-- /.tabs-panel -->
+
+               <div class="tabs-panel <?php
+                       echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+               ?>" id="tabs-panel-posttype-<?php echo $post_type_name; ?>-search">
+                       <?php
+                       if ( isset( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {
+                               $searched = esc_attr( $_REQUEST['quick-search-posttype-' . $post_type_name] );
+                               $search_results = get_posts( array( 's' => $searched, 'post_type' => $post_type_name, 'fields' => 'all', 'order' => 'DESC', ) );
+                       } else {
+                               $searched = '';
+                               $search_results = array();
+                       }
+                       ?>
+                       <p class="quick-search-wrap">
+                               <input type="text" class="quick-search regular-text input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" />
+                               <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
+                               <input type="submit" class="quick-search-submit button-secondary hide-if-js" value="<?php esc_attr_e('Search'); ?>" />
+                       </p>
+
+                       <ul id="<?php echo $post_type_name; ?>-search-checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
+                       <?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
+                               <?php
+                               $args['walker'] = $walker;
+                               echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );
+                               ?>
+                       <?php elseif ( is_wp_error( $search_results ) ) : ?>
+                               <li><?php echo $search_results->get_error_message(); ?></li>
+                       <?php elseif ( ! empty( $searched ) ) : ?>
+                               <li><?php _e('No results found.'); ?></li>
+                       <?php endif; ?>
+                       </ul>
+               </div><!-- /.tabs-panel -->
+
+
+               <div id="<?php echo $post_type_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php
+                       echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+               ?>">
+                       <?php if ( ! empty( $page_links ) ) : ?>
+                               <div class="add-menu-item-pagelinks">
+                                       <?php echo $page_links; ?>
+                               </div>
+                       <?php endif; ?>
+                       <ul id="<?php echo $post_type_name; ?>checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
+                               <?php
+                               $args['walker'] = $walker;
+
+                               // if we're dealing with pages, let's put a checkbox for the front page at the top of the list
+                               if ( 'page' == $post_type_name ) {
+                                       $front_page = 'page' == get_option('show_on_front') ? (int) get_option( 'page_on_front' ) : 0;
+                                       if ( ! empty( $front_page ) ) {
+                                               $front_page_obj = get_post( $front_page );
+                                               $front_page_obj->_add_to_top = true;
+                                               $front_page_obj->label = sprintf( _x('Home: %s', 'nav menu front page title'), $front_page_obj->post_title );
+                                               array_unshift( $posts, $front_page_obj );
+                                       } else {
+                                               $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
+                                               array_unshift( $posts, (object) array(
+                                                       '_add_to_top' => true,
+                                                       'ID' => 0,
+                                                       'object_id' => $_nav_menu_placeholder,
+                                                       'post_content' => '',
+                                                       'post_excerpt' => '',
+                                                       'post_title' => _x('Home', 'nav menu home label'),
+                                                       'post_type' => 'nav_menu_item',
+                                                       'type' => 'custom',
+                                                       'url' => home_url('/'),
+                                               ) );
+                                       }
+                               }
+
+                               $checkbox_items = walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $posts), 0, (object) $args );
+
+                               if ( 'all' == $current_tab && ! empty( $_REQUEST['selectall'] ) ) {
+                                       $checkbox_items = preg_replace('/(type=(.)checkbox(\2))/', '$1 checked=$2checked$2', $checkbox_items);
+
+                               }
+
+                               echo $checkbox_items;
+                               ?>
+                       </ul>
+                       <?php if ( ! empty( $page_links ) ) : ?>
+                               <div class="add-menu-item-pagelinks">
+                                       <?php echo $page_links; ?>
+                               </div>
+                       <?php endif; ?>
+               </div><!-- /.tabs-panel -->
+
+
+               <p class="button-controls">
+                       <span class="list-controls">
+                               <a href="<?php
+                                       echo esc_url(add_query_arg(
+                                               array(
+                                                       $post_type_name . '-tab' => 'all',
+                                                       'selectall' => 1,
+                                               ),
+                                               remove_query_arg($removed_args)
+                                       ));
+                               ?>#posttype-<?php echo $post_type_name; ?>" class="select-all"><?php _e('Select All'); ?></a>
+                       </span>
+
+                       <span class="add-to-menu">
+                               <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
+                               <input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-post-type-menu-item" id="submit-posttype-<?php echo $post_type_name; ?>" />
+                       </span>
+               </p>
+
+       </div><!-- /.posttypediv -->
+       <?php
+}
+
+/**
+ * Displays a metabox for a taxonomy menu item.
+ *
+ * @since 3.0.0
+ *
+ * @param string $object Not used.
+ * @param string $taxonomy The taxonomy object.
+ */
+function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
+       global $nav_menu_selected_id;
+       $taxonomy_name = $taxonomy['args']->name;
+
+       // paginate browsing for large numbers of objects
+       $per_page = 50;
+       $pagenum = isset( $_REQUEST[$taxonomy_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
+       $offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
+
+       $args = array(
+               'child_of' => 0,
+               'exclude' => '',
+               'hide_empty' => false,
+               'hierarchical' => 1,
+               'include' => '',
+               'include_last_update_time' => false,
+               'number' => $per_page,
+               'offset' => $offset,
+               'order' => 'ASC',
+               'orderby' => 'name',
+               'pad_counts' => false,
+       );
+
+       $terms = get_terms( $taxonomy_name, $args );
+
+       if ( ! $terms || is_wp_error($terms) ) {
+               echo '<p>' . __( 'No items.' ) . '</p>';
+               return;
+       }
+
+       $num_pages = ceil( wp_count_terms( $taxonomy_name , array_merge( $args, array('number' => '', 'offset' => '') ) ) / $per_page );
+
+       $page_links = paginate_links( array(
+               'base' => add_query_arg(
+                       array(
+                               $taxonomy_name . '-tab' => 'all',
+                               'paged' => '%#%',
+                               'item-type' => 'taxonomy',
+                               'item-object' => $taxonomy_name,
+                       )
+               ),
+               'format' => '',
+               'prev_text' => __('&laquo;'),
+               'next_text' => __('&raquo;'),
+               'total' => $num_pages,
+               'current' => $pagenum
+       ));
+
+       $walker = new Walker_Nav_Menu_Checklist;
+
+       $current_tab = 'most-used';
+       if ( isset( $_REQUEST[$taxonomy_name . '-tab'] ) && in_array( $_REQUEST[$taxonomy_name . '-tab'], array('all', 'most-used', 'search') ) ) {
+               $current_tab = $_REQUEST[$taxonomy_name . '-tab'];
+       }
+
+       if ( ! empty( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] ) ) {
+               $current_tab = 'search';
+       }
+
+       $removed_args = array(
+               'action',
+               'customlink-tab',
+               'edit-menu-item',
+               'menu-item',
+               'page-tab',
+               '_wpnonce',
+       );
+
+       ?>
+       <div id="taxonomy-<?php echo $taxonomy_name; ?>" class="taxonomydiv">
+               <ul id="taxonomy-<?php echo $taxonomy_name; ?>-tabs" class="taxonomy-tabs add-menu-item-tabs">
+                       <li <?php echo ( 'most-used' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'most-used', remove_query_arg($removed_args))); ?>#tabs-panel-<?php echo $taxonomy_name; ?>-pop"><?php _e('Most Used'); ?></a></li>
+                       <li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'all', remove_query_arg($removed_args))); ?>#tabs-panel-<?php echo $taxonomy_name; ?>-all"><?php _e('View All'); ?></a></li>
+                       <li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'search', remove_query_arg($removed_args))); ?>#tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>"><?php _e('Search'); ?></a></li>
+               </ul>
+
+               <div id="tabs-panel-<?php echo $taxonomy_name; ?>-pop" class="tabs-panel <?php
+                       echo ( 'most-used' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+               ?>">
+                       <ul id="<?php echo $taxonomy_name; ?>checklist-pop" class="categorychecklist form-no-clear" >
+                               <?php
+                               $popular_terms = get_terms( $taxonomy_name, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => 10, 'hierarchical' => false ) );
+                               $args['walker'] = $walker;
+                               echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $popular_terms), 0, (object) $args );
+                               ?>
+                       </ul>
+               </div><!-- /.tabs-panel -->
+
+               <div id="tabs-panel-<?php echo $taxonomy_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php
+                       echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+               ?>">
+                       <?php if ( ! empty( $page_links ) ) : ?>
+                               <div class="add-menu-item-pagelinks">
+                                       <?php echo $page_links; ?>
+                               </div>
+                       <?php endif; ?>
+                       <ul id="<?php echo $taxonomy_name; ?>checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
+                               <?php
+                               $args['walker'] = $walker;
+                               echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $terms), 0, (object) $args );
+                               ?>
+                       </ul>
+                       <?php if ( ! empty( $page_links ) ) : ?>
+                               <div class="add-menu-item-pagelinks">
+                                       <?php echo $page_links; ?>
+                               </div>
+                       <?php endif; ?>
+               </div><!-- /.tabs-panel -->
+
+               <div class="tabs-panel <?php
+                       echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
+               ?>" id="tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>">
+                       <?php
+                       if ( isset( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] ) ) {
+                               $searched = esc_attr( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] );
+                               $search_results = get_terms( $taxonomy_name, array( 'name__like' => $searched, 'fields' => 'all', 'orderby' => 'count', 'order' => 'DESC', 'hierarchical' => false ) );
+                       } else {
+                               $searched = '';
+                               $search_results = array();
+                       }
+                       ?>
+                       <p class="quick-search-wrap">
+                               <input type="text" class="quick-search regular-text input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
+                               <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
+                               <input type="submit" class="quick-search-submit button-secondary hide-if-js" value="<?php esc_attr_e('Search'); ?>" />
+                       </p>
+
+                       <ul id="<?php echo $taxonomy_name; ?>-search-checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
+                       <?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
+                               <?php
+                               $args['walker'] = $walker;
+                               echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );
+                               ?>
+                       <?php elseif ( is_wp_error( $search_results ) ) : ?>
+                               <li><?php echo $search_results->get_error_message(); ?></li>
+                       <?php elseif ( ! empty( $searched ) ) : ?>
+                               <li><?php _e('No results found.'); ?></li>
+                       <?php endif; ?>
+                       </ul>
+               </div><!-- /.tabs-panel -->
+
+               <p class="button-controls">
+                       <span class="list-controls">
+                               <a href="<?php
+                                       echo esc_url(add_query_arg(
+                                               array(
+                                                       $taxonomy_name . '-tab' => 'all',
+                                                       'selectall' => 1,
+                                               ),
+                                               remove_query_arg($removed_args)
+                                       ));
+                               ?>#taxonomy-<?php echo $taxonomy_name; ?>" class="select-all"><?php _e('Select All'); ?></a>
+                       </span>
+
+                       <span class="add-to-menu">
+                               <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
+                               <input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-taxonomy-menu-item" id="submit-taxonomy-<?php echo $taxonomy_name; ?>" />
+                       </span>
+               </p>
+
+       </div><!-- /.taxonomydiv -->
+       <?php
+}
+
+/**
+ * Save posted nav menu item data.
+ *
+ * @since 3.0.0
+ *
+ * @param int $menu_id The menu ID for which to save this item. $menu_id of 0 makes a draft, orphaned menu item.
+ * @param array $menu_data The unsanitized posted menu item data.
+ * @return array The database IDs of the items saved
+ */
+function wp_save_nav_menu_items( $menu_id = 0, $menu_data = array() ) {
+       $menu_id = (int) $menu_id;
+       $items_saved = array();
+
+       if ( 0 == $menu_id || is_nav_menu( $menu_id ) ) {
+
+               // Loop through all the menu items' POST values
+               foreach( (array) $menu_data as $_possible_db_id => $_item_object_data ) {
+                       if (
+                               empty( $_item_object_data['menu-item-object-id'] ) && // checkbox is not checked
+                               (
+                                       ! isset( $_item_object_data['menu-item-type'] ) || // and item type either isn't set
+                                       in_array( $_item_object_data['menu-item-url'], array( 'http://', '' ) ) || // or URL is the default
+                                       ! ( 'custom' == $_item_object_data['menu-item-type'] && ! isset( $_item_object_data['menu-item-db-id'] ) ) ||  // or it's not a custom menu item (but not the custom home page)
+                                       ! empty( $_item_object_data['menu-item-db-id'] ) // or it *is* a custom menu item that already exists
+                               )
+                       ) {
+                               continue; // then this potential menu item is not getting added to this menu
+                       }
+
+                       // if this possible menu item doesn't actually have a menu database ID yet
+                       if (
+                               empty( $_item_object_data['menu-item-db-id'] ) ||
+                               ( 0 > $_possible_db_id ) ||
+                               $_possible_db_id != $_item_object_data['menu-item-db-id']
+                       ) {
+                               $_actual_db_id = 0;
+                       } else {
+                               $_actual_db_id = (int) $_item_object_data['menu-item-db-id'];
+                       }
+
+                       $args = array(
+                               'menu-item-db-id' => ( isset( $_item_object_data['menu-item-db-id'] ) ? $_item_object_data['menu-item-db-id'] : '' ),
+                               'menu-item-object-id' => ( isset( $_item_object_data['menu-item-object-id'] ) ? $_item_object_data['menu-item-object-id'] : '' ),
+                               'menu-item-object' => ( isset( $_item_object_data['menu-item-object'] ) ? $_item_object_data['menu-item-object'] : '' ),
+                               'menu-item-parent-id' => ( isset( $_item_object_data['menu-item-parent-id'] ) ? $_item_object_data['menu-item-parent-id'] : '' ),
+                               'menu-item-position' => ( isset( $_item_object_data['menu-item-position'] ) ? $_item_object_data['menu-item-position'] : '' ),
+                               'menu-item-type' => ( isset( $_item_object_data['menu-item-type'] ) ? $_item_object_data['menu-item-type'] : '' ),
+                               'menu-item-title' => ( isset( $_item_object_data['menu-item-title'] ) ? $_item_object_data['menu-item-title'] : '' ),
+                               'menu-item-url' => ( isset( $_item_object_data['menu-item-url'] ) ? $_item_object_data['menu-item-url'] : '' ),
+                               'menu-item-description' => ( isset( $_item_object_data['menu-item-description'] ) ? $_item_object_data['menu-item-description'] : '' ),
+                               'menu-item-attr-title' => ( isset( $_item_object_data['menu-item-attr-title'] ) ? $_item_object_data['menu-item-attr-title'] : '' ),
+                               'menu-item-target' => ( isset( $_item_object_data['menu-item-target'] ) ? $_item_object_data['menu-item-target'] : '' ),
+                               'menu-item-classes' => ( isset( $_item_object_data['menu-item-classes'] ) ? $_item_object_data['menu-item-classes'] : '' ),
+                               'menu-item-xfn' => ( isset( $_item_object_data['menu-item-xfn'] ) ? $_item_object_data['menu-item-xfn'] : '' ),
+                       );
+
+                       $items_saved[] = wp_update_nav_menu_item( $menu_id, $_actual_db_id, $args );
+
+               }
+       }
+       return $items_saved;
+}
+
+/**
+ * Adds custom arguments to some of the meta box object types.
+ *
+ * @since 3.0.0
+ *
+ * @access private
+ *
+ * @param object $object The post type or taxonomy meta-object.
+ * @return object The post type of taxonomy object.
+ */
+function _wp_nav_menu_meta_box_object( $object = null ) {
+       if ( isset( $object->name ) ) {
+
+               if ( 'page' == $object->name ) {
+                       $object->_default_query = array(
+                               'orderby' => 'menu_order title',
+                               'post_status' => 'publish',
+                       );
+
+               // posts should show only published items
+               } elseif ( 'post' == $object->name ) {
+                       $object->_default_query = array(
+                               'post_status' => 'publish',
+                       );
+
+               // cats should be in reverse chronological order
+               } elseif ( 'category' == $object->name ) {
+                       $object->_default_query = array(
+                               'orderby' => 'id',
+                               'order' => 'DESC',
+                       );
+
+               // custom post types should show only published items
+               } else {
+                       $object->_default_query = array(
+                               'post_status' => 'publish',
+                       );
+               }
+       }
+
+       return $object;
+}
+
+/**
+ * Returns the menu formatted to edit.
+ *
+ * @since 3.0.0
+ *
+ * @param string $menu_id The ID of the menu to format.
+ * @return string|WP_Error $output The menu formatted to edit or error object on failure.
+ */
+function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
+       $menu = wp_get_nav_menu_object( $menu_id );
+
+       // If the menu exists, get its items.
+       if ( is_nav_menu( $menu ) ) {
+               $menu_items = wp_get_nav_menu_items( $menu->term_id, array('post_status' => 'any') );
+               $result = '<div id="menu-instructions" class="post-body-plain';
+               $result .= ( ! empty($menu_items) ) ? ' menu-instructions-inactive">' : '">';
+               $result .= '<p>' . __('Select menu items (pages, categories, links) from the boxes at left to begin building your custom menu.') . '</p>';
+               $result .= '</div>';
+
+               if( empty($menu_items) )
+                       return $result . ' <ul class="menu" id="menu-to-edit"> </ul>';
+
+               $walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $menu_id );
+
+               if ( class_exists( $walker_class_name ) )
+                       $walker = new $walker_class_name;
+               else
+                       return new WP_Error( 'menu_walker_not_exist', sprintf( __('The Walker class named <strong>%s</strong> does not exist.'), $walker_class_name ) );
+
+               $some_pending_menu_items = false;
+               foreach( (array) $menu_items as $menu_item ) {
+                       if ( isset( $menu_item->post_status ) && 'draft' == $menu_item->post_status )
+                               $some_pending_menu_items = true;
+               }
+
+               if ( $some_pending_menu_items )
+                       $result .= '<div class="updated inline"><p>' . __('Click Save Menu to make pending menu items public.') . '</p></div>';
+
+               $result .= '<ul class="menu" id="menu-to-edit"> ';
+               $result .= walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $menu_items), 0, (object) array('walker' => $walker ) );
+               $result .= ' </ul> ';
+               return $result;
+       } elseif ( is_wp_error( $menu ) ) {
+               return $menu;
+       }
+
+
+}
+
+/**
+ * Returns the columns for the nav menus page.
+ *
+ * @since 3.0.0
+ *
+ * @param string $menu_item_id The ID of the menu item to format.
+ * @return string|WP_Error $output The menu formatted to edit or error object on failure.
+ */
+function wp_nav_menu_manage_columns() {
+       return array(
+               '_title' => __('Show advanced menu properties'),
+               'cb' => '<input type="checkbox" />',
+               'link-target' => __('Link Target'),
+               'css-classes' => __('CSS Classes'),
+               'xfn' => __('Link Relationship (XFN)'),
+               'description' => __('Description'),
+       );
+}
+
+/**
+ * Deletes orphaned draft menu items
+ *
+ * @access private
+ * @since 3.0.0
+ *
+ */
+function _wp_delete_orphaned_draft_menu_items() {
+       global $wpdb;
+       $delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);
+
+       // delete orphaned draft menu items
+       $menu_items_to_delete = $wpdb->get_col($wpdb->prepare("SELECT ID FROM $wpdb->posts AS p LEFT JOIN $wpdb->postmeta AS m ON p.ID = m.post_id WHERE post_type = 'nav_menu_item' AND post_status = 'draft' AND meta_key = '_menu_item_orphaned' AND meta_value < '%d'", $delete_timestamp ) );
+
+       foreach( (array) $menu_items_to_delete as $menu_item_id )
+               wp_delete_post( $menu_item_id, true );
+}
+
+add_action('admin_head-nav-menus.php', '_wp_delete_orphaned_draft_menu_items');
+
+?>