X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/f9001779751f83dc8a10e478bfecb4d8dd5f964c..fa11948979fd6a4ea5705dc613b239699a459db3:/wp-admin/includes/nav-menu.php

diff --git a/wp-admin/includes/nav-menu.php b/wp-admin/includes/nav-menu.php
index 6e929286..d3aa7bd0 100644
--- a/wp-admin/includes/nav-menu.php
+++ b/wp-admin/includes/nav-menu.php
@@ -7,39 +7,49 @@
  * @since 3.0.0
  * @uses Walker_Nav_Menu
  */
-class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
+class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
 	/**
+	 * Starts the list before the elements are added.
+	 *
 	 * @see Walker_Nav_Menu::start_lvl()
+	 *
 	 * @since 3.0.0
 	 *
 	 * @param string $output Passed by reference.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
 	 */
-	function start_lvl(&$output) {}
+	function start_lvl( &$output, $depth = 0, $args = array() ) {}
 
 	/**
+	 * Ends the list of after the elements are added.
+	 *
 	 * @see Walker_Nav_Menu::end_lvl()
+	 *
 	 * @since 3.0.0
 	 *
 	 * @param string $output Passed by reference.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
 	 */
-	function end_lvl(&$output) {
-	}
+	function end_lvl( &$output, $depth = 0, $args = array() ) {}
 
 	/**
-	 * @see Walker::start_el()
+	 * Start the element output.
+	 *
+	 * @see Walker_Nav_Menu::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 object $args
+	 * @param object $item   Menu item data object.
+	 * @param int    $depth  Depth of menu item. Used for padding.
+	 * @param array  $args   Not used.
+	 * @param int    $id     Not used.
 	 */
-	function start_el(&$output, $item, $depth, $args) {
+	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
 		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(
@@ -54,9 +64,11 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 		$original_title = '';
 		if ( 'taxonomy' == $item->type ) {
 			$original_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
+			if ( is_wp_error( $original_title ) )
+				$original_title = false;
 		} elseif ( 'post_type' == $item->type ) {
 			$original_object = get_post( $item->object_id );
-			$original_title = $original_object->post_title;
+			$original_title = get_the_title( $original_object->ID );
 		}
 
 		$classes = array(
@@ -67,22 +79,30 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 
 		$title = $item->title;
 
-		if ( isset( $item->post_status ) && 'draft' == $item->post_status ) {
+		if ( ! empty( $item->_invalid ) ) {
+			$classes[] = 'menu-item-invalid';
+			/* translators: %s: title of menu item which is invalid */
+			$title = sprintf( __( '%s (Invalid)' ), $item->title );
+		} elseif ( 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;
+		$title = ( ! isset( $item->label ) || '' == $item->label ) ? $title : $item->label;
+
+		$submenu_text = '';
+		if ( 0 == $depth )
+			$submenu_text = 'style="display: none;"';
 
 		?>
 		<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-title"><span class="menu-item-title"><?php echo esc_html( $title ); ?></span> <span class="is-submenu" <?php echo $submenu_text; ?>><?php _e( 'sub item' ); ?></span></span>
 					<span class="item-controls">
 						<span class="item-type"><?php echo esc_html( $item->type_label ); ?></span>
-						<span class="item-order">
+						<span class="item-order hide-if-js">
 							<a href="<?php
 								echo wp_nonce_url(
 									add_query_arg(
@@ -109,7 +129,7 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 								);
 							?>" 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
+						<a class="item-edit" id="edit-<?php echo $item_id; ?>" title="<?php esc_attr_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>
@@ -137,13 +157,10 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 						<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">
+				<p class="field-link-target description">
 					<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>
+						<input type="checkbox" id="edit-menu-item-target-<?php echo $item_id; ?>" value="_blank" name="menu-item-target[<?php echo $item_id; ?>]"<?php checked( $item->target, '_blank' ); ?> />
+						<?php _e( 'Open link in a new window/tab' ); ?>
 					</label>
 				</p>
 				<p class="field-css-classes description description-thin">
@@ -166,8 +183,19 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 					</label>
 				</p>
 
+				<p class="field-move hide-if-no-js description description-wide">
+					<label>
+						<span><?php _e( 'Move' ); ?></span>
+						<a href="#" class="menus-move-up"><?php _e( 'Up one' ); ?></a>
+						<a href="#" class="menus-move-down"><?php _e( 'Down one' ); ?></a>
+						<a href="#" class="menus-move-left"></a>
+						<a href="#" class="menus-move-right"></a>
+						<a href="#" class="menus-move-top"><?php _e( 'To the top' ); ?></a>
+					</label>
+				</p>
+
 				<div class="menu-item-actions description-wide submitbox">
-					<?php if( 'custom' != $item->type ) : ?>
+					<?php if( 'custom' != $item->type && $original_title !== false ) : ?>
 						<p class="link-to-original">
 							<?php printf( __('Original: %s'), '<a href="' . esc_attr( $item->url ) . '">' . esc_html( $original_title ) . '</a>' ); ?>
 						</p>
@@ -179,10 +207,10 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 								'action' => 'delete-menu-item',
 								'menu-item' => $item_id,
 							),
-							remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
+							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' ) ) );
+					); ?>"><?php _e( 'Remove' ); ?></a> <span class="meta-sep hide-if-no-js"> | </span> <a class="item-cancel submitcancel hide-if-no-js" id="cancel-<?php echo $item_id; ?>" href="<?php echo esc_url( add_query_arg( array( 'edit-menu-item' => $item_id, 'cancel' => time() ), admin_url( 'nav-menus.php' ) ) );
 						?>#menu-item-settings-<?php echo $item_id; ?>"><?php _e('Cancel'); ?></a>
 				</div>
 
@@ -197,7 +225,8 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
 		<?php
 		$output .= ob_get_clean();
 	}
-}
+
+} // Walker_Nav_Menu_Edit
 
 /**
  * Create HTML list of nav menu input items.
@@ -206,18 +235,59 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu  {
  * @since 3.0.0
  * @uses Walker_Nav_Menu
  */
-class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu  {
+class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
+	function __construct( $fields = false ) {
+		if ( $fields ) {
+			$this->db_fields = $fields;
+		}
+	}
 
 	/**
-	 * @see Walker::start_el()
+	 * Starts the list before the elements are added.
+	 *
+	 * @see Walker_Nav_Menu::start_lvl()
+	 *
 	 * @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 object $args
+	 * @param int    $depth  Depth of page. Used for padding.
+	 * @param array  $args   Not used.
 	 */
-	function start_el(&$output, $item, $depth, $args) {
+	function start_lvl( &$output, $depth = 0, $args = array() ) {
+		$indent = str_repeat( "\t", $depth );
+		$output .= "\n$indent<ul class='children'>\n";
+	}
+
+	/**
+	 * Ends the list of after the elements are added.
+	 *
+	 * @see Walker_Nav_Menu::end_lvl()
+	 *
+	 * @since 3.0.0
+	 *
+	 * @param string $output Passed by reference. Used to append additional content.
+	 * @param int    $depth  Depth of page. Used for padding.
+	 * @param array  $args   Not used.
+	 */
+	function end_lvl( &$output, $depth = 0, $args = array() ) {
+		$indent = str_repeat( "\t", $depth );
+		$output .= "\n$indent</ul>";
+	}
+
+	/**
+	 * Start the element output.
+	 *
+	 * @see Walker_Nav_Menu::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 array  $args   Not used.
+	 * @param int    $id     Not used.
+	 */
+	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
 		global $_nav_menu_placeholder;
 
 		$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
@@ -229,12 +299,23 @@ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu  {
 		$output .= $indent . '<li>';
 		$output .= '<label class="menu-item-title">';
 		$output .= '<input type="checkbox" class="menu-item-checkbox';
-		if ( ! empty( $item->_add_to_top ) ) {
+
+		if ( ! empty( $item->front_or_home ) )
 			$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>';
+
+		if ( ! empty( $item->label ) ) {
+			$title = $item->label;
+		} elseif ( isset( $item->post_type ) ) {
+			/** This filter is documented in wp-includes/post-template.php */
+			$title = apply_filters( 'the_title', $item->post_title, $item->ID );
+			if ( ! empty( $item->front_or_home ) && _x( 'Home', 'nav menu home label' ) !== $title )
+				$title = sprintf( _x( 'Home: %s', 'nav menu front page title' ), $title );
+		}
+
+		$output .= isset( $title ) ? esc_html( $title ) : esc_html( $item->title );
+ 		$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 . '" />';
@@ -248,7 +329,8 @@ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu  {
 		$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 ) .'" />';
 	}
-}
+
+} // Walker_Nav_Menu_Checklist
 
 /**
  * Prints the appropriate response to a menu quick search.
@@ -306,7 +388,6 @@ function _wp_ajax_menu_quick_search( $request = array() ) {
 
 		}
 
-
 	} 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(
@@ -319,7 +400,8 @@ function _wp_ajax_menu_quick_search( $request = array() ) {
 			while ( have_posts() ) {
 				the_post();
 				if ( 'markup' == $response_format ) {
-					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $var_by_ref = get_the_ID() ) ) ), 0, (object) $args );
+					$var_by_ref = get_the_ID();
+					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $var_by_ref ) ) ), 0, (object) $args );
 				} elseif ( 'json' == $response_format ) {
 					echo json_encode(
 						array(
@@ -363,14 +445,12 @@ function _wp_ajax_menu_quick_search( $request = array() ) {
  **/
 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();
+	add_meta_box( 'add-custom-links', __( 'Links' ), 'wp_nav_menu_item_link_meta_box', 'nav-menus', 'side', 'default' );
 	wp_nav_menu_taxonomy_meta_boxes();
 
 	// Register advanced menu items (columns)
-	add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_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' ) ) {
@@ -392,7 +472,7 @@ function wp_initial_nav_menu_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' );
+	$initial_meta_boxes = array( 'nav-menu-theme-locations', 'add-page', 'add-custom-links', 'add-category' );
 	$hidden_meta_boxes = array();
 
 	foreach ( array_keys($wp_meta_boxes['nav-menus']) as $context ) {
@@ -426,7 +506,9 @@ function wp_nav_menu_post_type_meta_boxes() {
 		$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 );
+			// give pages a higher priority
+			$priority = ( 'page' == $post_type->name ? 'core' : 'default' );
+			add_meta_box( "add-{$id}", $post_type->labels->name, 'wp_nav_menu_item_post_type_meta_box', 'nav-menus', 'side', $priority, $post_type );
 		}
 	}
 }
@@ -452,51 +534,23 @@ function wp_nav_menu_taxonomy_meta_boxes() {
 }
 
 /**
- * Displays a metabox for the nav menu theme locations.
+ * Check whether to disable the Menu Locations meta box submit button
  *
- * @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) );
+ * @since 3.6.0
+ *
+ * @uses global $one_theme_location_no_menus to determine if no menus exist
+ * @uses disabled() to output the disabled attribute in $other_attributes param in submit_button()
+ *
+ * @param int|string $nav_menu_selected_id (id, name or slug) of the currently-selected menu
+ * @return string Disabled attribute if at least one menu exists, false if not
+*/
+function wp_nav_menu_disabled_check( $nav_menu_selected_id ) {
+	global $one_theme_location_no_menus;
 
-	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>';
+	if ( $one_theme_location_no_menus )
+		return false;
 
-	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="" />
-		<?php submit_button( __( 'Save' ), 'primary', 'nav-menu-locations', false, disabled( $nav_menu_selected_id, 0, false ) ); ?>
-	</p>
-	<?php
+	return disabled( $nav_menu_selected_id, 0 );
 }
 
 /**
@@ -506,44 +560,30 @@ function wp_nav_menu_locations_meta_box() {
  */
 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',
-	);
+	$_nav_menu_placeholder = 0 > $_nav_menu_placeholder ? $_nav_menu_placeholder - 1 : -1;
 
 	?>
 	<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>
 
-			<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 id="menu-item-name-wrap">
+			<label class="howto" for="custom-menu-item-name">
+				<span><?php _e( 'Link Text' ); ?></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" />
+				<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-custom-menu-item" id="submit-customlinkdiv" />
+				<span class="spinner"></span>
 			</span>
 		</p>
 
@@ -614,7 +654,12 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 	if ( !$posts )
 		$error = '<li id="error">'. $post_type['args']->labels->not_found .'</li>';
 
-	$walker = new Walker_Nav_Menu_Checklist;
+	$db_fields = false;
+	if ( is_post_type_hierarchical( $post_type_name ) ) {
+		$db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );
+	}
+
+	$walker = new Walker_Nav_Menu_Checklist( $db_fields );
 
 	$current_tab = 'most-recent';
 	if ( isset( $_REQUEST[$post_type_name . '-tab'] ) && in_array( $_REQUEST[$post_type_name . '-tab'], array('all', 'search') ) ) {
@@ -637,10 +682,22 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 	?>
 	<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>
+			<li <?php echo ( 'most-recent' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-posttype-<?php echo esc_attr( $post_type_name ); ?>-most-recent" 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" data-type="<?php echo esc_attr( $post_type_name ); ?>-all" 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" data-type="tabs-panel-posttype-<?php echo esc_attr( $post_type_name ); ?>-search" 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><!-- .posttype-tabs -->
 
 		<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' );
@@ -668,12 +725,12 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 			}
 			?>
 			<p class="quick-search-wrap">
-				<input type="text" class="quick-search 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="" />
-				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false ); ?>
+				<input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" />
+				<span class="spinner"></span>
+				<?php submit_button( __( 'Search' ), 'button-small quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
 			</p>
 
-			<ul id="<?php echo $post_type_name; ?>-search-checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $post_type_name; ?>-search-checklist" data-wp-lists="list:<?php echo $post_type_name?>" class="categorychecklist form-no-clear">
 			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
 				<?php
 				$args['walker'] = $walker;
@@ -687,7 +744,6 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 			</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' );
 		?>">
@@ -696,7 +752,7 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 					<?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">
+			<ul id="<?php echo $post_type_name; ?>checklist" data-wp-lists="list:<?php echo $post_type_name?>" class="categorychecklist form-no-clear">
 				<?php
 				$args['walker'] = $walker;
 
@@ -705,17 +761,17 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 					$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 );
+						$front_page_obj->front_or_home = true;
 						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,
+							'front_or_home' => true,
 							'ID' => 0,
 							'object_id' => $_nav_menu_placeholder,
 							'post_content' => '',
 							'post_excerpt' => '',
+							'post_parent' => '',
 							'post_title' => _x('Home', 'nav menu home label'),
 							'post_type' => 'nav_menu_item',
 							'type' => 'custom',
@@ -724,6 +780,7 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 					}
 				}
 
+				$posts = apply_filters( 'nav_menu_items_'.$post_type_name, $posts, $args, $post_type );
 				$checkbox_items = walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $posts), 0, (object) $args );
 
 				if ( 'all' == $current_tab && ! empty( $_REQUEST['selectall'] ) ) {
@@ -741,23 +798,22 @@ function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 			<?php endif; ?>
 		</div><!-- /.tabs-panel -->
 
-
 		<p class="button-controls">
 			<span class="list-controls">
 				<a href="<?php
-					echo esc_url(add_query_arg(
+					echo esc_url( add_query_arg(
 						array(
 							$post_type_name . '-tab' => 'all',
 							'selectall' => 1,
 						),
-						remove_query_arg($removed_args)
+						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; ?>" />
+				<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e( __( 'Add to Menu' ) ); ?>" name="add-post-type-menu-item" id="<?php esc_attr_e( 'submit-posttype-' . $post_type_name ); ?>" />
+				<span class="spinner"></span>
 			</span>
 		</p>
 
@@ -788,7 +844,6 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 		'hide_empty' => false,
 		'hierarchical' => 1,
 		'include' => '',
-		'include_last_update_time' => false,
 		'number' => $per_page,
 		'offset' => $offset,
 		'order' => 'ASC',
@@ -821,7 +876,12 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 		'current' => $pagenum
 	));
 
-	$walker = new Walker_Nav_Menu_Checklist;
+	$db_fields = false;
+	if ( is_taxonomy_hierarchical( $taxonomy_name ) ) {
+		$db_fields = array( 'parent' => 'parent', 'id' => 'term_id' );
+	}
+
+	$walker = new Walker_Nav_Menu_Checklist( $db_fields );
 
 	$current_tab = 'most-used';
 	if ( isset( $_REQUEST[$taxonomy_name . '-tab'] ) && in_array( $_REQUEST[$taxonomy_name . '-tab'], array('all', 'most-used', 'search') ) ) {
@@ -844,10 +904,22 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 	?>
 	<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>
+			<li <?php echo ( 'most-used' == $current_tab ? ' class="tabs"' : '' ); ?>>
+				<a class="nav-tab-link" data-type="tabs-panel-<?php echo esc_attr( $taxonomy_name ); ?>-pop" 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" data-type="tabs-panel-<?php echo esc_attr( $taxonomy_name ); ?>-all" 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" data-type="tabs-panel-search-taxonomy-<?php echo esc_attr( $taxonomy_name ); ?>" 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><!-- .taxonomy-tabs -->
 
 		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-pop" class="tabs-panel <?php
 			echo ( 'most-used' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
@@ -869,7 +941,7 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 					<?php echo $page_links; ?>
 				</div>
 			<?php endif; ?>
-			<ul id="<?php echo $taxonomy_name; ?>checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $taxonomy_name; ?>checklist" data-wp-lists="list:<?php echo $taxonomy_name?>" class="categorychecklist form-no-clear">
 				<?php
 				$args['walker'] = $walker;
 				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $terms), 0, (object) $args );
@@ -895,12 +967,12 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 			}
 			?>
 			<p class="quick-search-wrap">
-				<input type="text" class="quick-search 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="" />
-				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false ); ?>
+				<input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
+				<span class="spinner"></span>
+				<?php submit_button( __( 'Search' ), 'button-small quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-taxonomy-' . $taxonomy_name ) ); ?>
 			</p>
 
-			<ul id="<?php echo $taxonomy_name; ?>-search-checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
+			<ul id="<?php echo $taxonomy_name; ?>-search-checklist" data-wp-lists="list:<?php echo $taxonomy_name?>" class="categorychecklist form-no-clear">
 			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
 				<?php
 				$args['walker'] = $walker;
@@ -928,8 +1000,8 @@ function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 			</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; ?>" />
+				<input type="submit"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e( __( 'Add to Menu' ) ); ?>" name="add-taxonomy-menu-item" id="<?php esc_attr_e( 'submit-taxonomy-' . $taxonomy_name ); ?>" />
+				<span class="spinner"></span>
 			</span>
 		</p>
 
@@ -959,7 +1031,7 @@ function wp_save_nav_menu_items( $menu_id = 0, $menu_data = array() ) {
 				(
 					! 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)
+					! ( '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
 				)
 			) {
@@ -1059,7 +1131,7 @@ function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
 		$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 .= '<p>' . __( 'Add menu items from the column on the left.' ) . '</p>';
 		$result .= '</div>';
 
 		if( empty($menu_items) )
@@ -1072,15 +1144,20 @@ function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
 		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;
+		$some_pending_menu_items = $some_invalid_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 ( ! empty( $menu_item->_invalid ) )
+				$some_invalid_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>';
 
+		if ( $some_invalid_menu_items )
+			$result .= '<div class="error inline"><p>' . __('There are some invalid menu items. Please check or delete them.') . '</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> ';
@@ -1089,7 +1166,6 @@ function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
 		return $menu;
 	}
 
-
 }
 
 /**
@@ -1119,7 +1195,7 @@ function wp_nav_menu_manage_columns() {
  */
 function _wp_delete_orphaned_draft_menu_items() {
 	global $wpdb;
-	$delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);
+	$delete_timestamp = time() - ( DAY_IN_SECONDS * 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 ) );
@@ -1127,7 +1203,88 @@ function _wp_delete_orphaned_draft_menu_items() {
 	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');
 
-?>
+/**
+ * Saves nav menu items
+ *
+ * @since 3.6.0
+ *
+ * @uses wp_get_nav_menu_items() to retrieve the nav menu's menu items
+ * @uses wp_defer_term_counter() to enable then disable term counting
+ *
+ * @param int|string $nav_menu_selected_id (id, slug, or name ) of the currently-selected menu
+ * @param string $nav_menu_selected_title Title of the currently-selected menu
+ * @return array $messages The menu updated message
+ */
+function wp_nav_menu_update_menu_items ( $nav_menu_selected_id, $nav_menu_selected_title ) {
+	$unsorted_menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'orderby' => 'ID', 'output' => ARRAY_A, 'output_key' => 'ID', 'post_status' => 'draft,publish' ) );
+
+	$menu_items = array();
+	// Index menu items by db ID
+	foreach ( $unsorted_menu_items as $_item )
+		$menu_items[$_item->db_id] = $_item;
+
+	$post_fields = array(
+		'menu-item-db-id', 'menu-item-object-id', 'menu-item-object',
+		'menu-item-parent-id', 'menu-item-position', 'menu-item-type',
+		'menu-item-title', 'menu-item-url', 'menu-item-description',
+		'menu-item-attr-title', 'menu-item-target', 'menu-item-classes', 'menu-item-xfn'
+	);
+
+	wp_defer_term_counting( true );
+	// Loop through all the menu items' POST variables
+	if ( ! empty( $_POST['menu-item-db-id'] ) ) {
+		foreach( (array) $_POST['menu-item-db-id'] as $_key => $k ) {
+
+			// Menu item title can't be blank
+			if ( ! isset( $_POST['menu-item-title'][ $_key ] ) || '' == $_POST['menu-item-title'][ $_key ] )
+				continue;
+
+			$args = array();
+			foreach ( $post_fields as $field )
+				$args[$field] = isset( $_POST[$field][$_key] ) ? $_POST[$field][$_key] : '';
+
+			$menu_item_db_id = wp_update_nav_menu_item( $nav_menu_selected_id, ( $_POST['menu-item-db-id'][$_key] != $_key ? 0 : $_key ), $args );
+
+			if ( is_wp_error( $menu_item_db_id ) )
+				$messages[] = '<div id="message" class="error"><p>' . $menu_item_db_id->get_error_message() . '</p></div>';
+			elseif ( isset( $menu_items[$menu_item_db_id] ) )
+				unset( $menu_items[$menu_item_db_id] );
+		}
+	}
+
+	// Remove menu items from the menu that weren't in $_POST
+	if ( ! empty( $menu_items ) ) {
+		foreach ( array_keys( $menu_items ) as $menu_item_id ) {
+			if ( is_nav_menu_item( $menu_item_id ) ) {
+				wp_delete_post( $menu_item_id );
+			}
+		}
+	}
+
+	// Store 'auto-add' pages.
+	$auto_add = ! empty( $_POST['auto-add-pages'] );
+	$nav_menu_option = (array) get_option( 'nav_menu_options' );
+	if ( ! isset( $nav_menu_option['auto_add'] ) )
+		$nav_menu_option['auto_add'] = array();
+	if ( $auto_add ) {
+		if ( ! in_array( $nav_menu_selected_id, $nav_menu_option['auto_add'] ) )
+			$nav_menu_option['auto_add'][] = $nav_menu_selected_id;
+	} else {
+		if ( false !== ( $key = array_search( $nav_menu_selected_id, $nav_menu_option['auto_add'] ) ) )
+			unset( $nav_menu_option['auto_add'][$key] );
+	}
+	// Remove nonexistent/deleted menus
+	$nav_menu_option['auto_add'] = array_intersect( $nav_menu_option['auto_add'], wp_get_nav_menus( array( 'fields' => 'ids' ) ) );
+	update_option( 'nav_menu_options', $nav_menu_option );
+
+	wp_defer_term_counting( false );
+
+	do_action( 'wp_update_nav_menu', $nav_menu_selected_id );
+
+	$messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%1$s</strong> has been updated.' ), $nav_menu_selected_title ) . '</p></div>';
+	unset( $menu_items, $unsorted_menu_items );
+
+	return $messages;
+}