'ids' ) ); if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) { $menu_id = (int) $menus[0]; $ordered_menu_items = wp_get_nav_menu_items( $menu_id ); $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) ); // set up the data we need in one pass through the array of menu items $dbids_to_orders = array(); $orders_to_dbids = array(); foreach( (array) $ordered_menu_items as $ordered_menu_item_object ) { if ( isset( $ordered_menu_item_object->ID ) ) { if ( isset( $ordered_menu_item_object->menu_order ) ) { $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order; $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID; } } } // get next in order if ( isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1] ) ) { $next_item_id = $orders_to_dbids[$dbids_to_orders[$menu_item_id] + 1]; $next_item_data = (array) wp_setup_nav_menu_item( get_post( $next_item_id ) ); // if not siblings of same parent, bubble menu item up but keep order if ( ! empty( $menu_item_data['menu_item_parent'] ) && ( empty( $next_item_data['menu_item_parent'] ) || $next_item_data['menu_item_parent'] != $menu_item_data['menu_item_parent'] ) ) { $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0; $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) ); if ( ! is_wp_error( $parent_object ) ) { $parent_data = (array) $parent_object; $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent']; update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] ); } // make menu item a child of its next sibling } else { $next_item_data['menu_order'] = $next_item_data['menu_order'] - 1; $menu_item_data['menu_order'] = $menu_item_data['menu_order'] + 1; $menu_item_data['menu_item_parent'] = $next_item_data['ID']; update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] ); wp_update_post($menu_item_data); wp_update_post($next_item_data); } // the item is last but still has a parent, so bubble up } elseif ( ! empty( $menu_item_data['menu_item_parent'] ) && in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ) { $menu_item_data['menu_item_parent'] = (int) get_post_meta( $menu_item_data['menu_item_parent'], '_menu_item_menu_item_parent', true); update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] ); } } } break; case 'move-up-menu-item' : check_admin_referer( 'move-menu_item' ); $menu_item_id = isset( $_REQUEST['menu-item'] ) ? (int) $_REQUEST['menu-item'] : 0; if ( is_nav_menu_item( $menu_item_id ) ) { $menus = isset( $_REQUEST['menu'] ) ? array( (int) $_REQUEST['menu'] ) : wp_get_object_terms( $menu_item_id, 'nav_menu', array( 'fields' => 'ids' ) ); if ( ! is_wp_error( $menus ) && ! empty( $menus[0] ) ) { $menu_id = (int) $menus[0]; $ordered_menu_items = wp_get_nav_menu_items( $menu_id ); $menu_item_data = (array) wp_setup_nav_menu_item( get_post( $menu_item_id ) ); // set up the data we need in one pass through the array of menu items $dbids_to_orders = array(); $orders_to_dbids = array(); foreach( (array) $ordered_menu_items as $ordered_menu_item_object ) { if ( isset( $ordered_menu_item_object->ID ) ) { if ( isset( $ordered_menu_item_object->menu_order ) ) { $dbids_to_orders[$ordered_menu_item_object->ID] = $ordered_menu_item_object->menu_order; $orders_to_dbids[$ordered_menu_item_object->menu_order] = $ordered_menu_item_object->ID; } } } // if this menu item is not first if ( ! empty( $dbids_to_orders[$menu_item_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) { // if this menu item is a child of the previous if ( ! empty( $menu_item_data['menu_item_parent'] ) && in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) && isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) && ( $menu_item_data['menu_item_parent'] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) ) { $parent_db_id = in_array( $menu_item_data['menu_item_parent'], $orders_to_dbids ) ? (int) $menu_item_data['menu_item_parent'] : 0; $parent_object = wp_setup_nav_menu_item( get_post( $parent_db_id ) ); if ( ! is_wp_error( $parent_object ) ) { $parent_data = (array) $parent_object; // if there is something before the parent and parent a child of it, make menu item a child also of it if ( ! empty( $dbids_to_orders[$parent_db_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) && ! empty( $parent_data['menu_item_parent'] ) ) { $menu_item_data['menu_item_parent'] = $parent_data['menu_item_parent']; // else if there is something before parent and parent not a child of it, make menu item a child of that something's parent } elseif ( ! empty( $dbids_to_orders[$parent_db_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) ) { $_possible_parent_id = (int) get_post_meta( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1], '_menu_item_menu_item_parent', true); if ( in_array( $_possible_parent_id, array_keys( $dbids_to_orders ) ) ) $menu_item_data['menu_item_parent'] = $_possible_parent_id; else $menu_item_data['menu_item_parent'] = 0; // else there isn't something before the parent } else { $menu_item_data['menu_item_parent'] = 0; } // set former parent's [menu_order] to that of menu-item's $parent_data['menu_order'] = $parent_data['menu_order'] + 1; // set menu-item's [menu_order] to that of former parent $menu_item_data['menu_order'] = $menu_item_data['menu_order'] - 1; // save changes update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] ); wp_update_post($menu_item_data); wp_update_post($parent_data); } // else this menu item is not a child of the previous } elseif ( empty( $menu_item_data['menu_order'] ) || empty( $menu_item_data['menu_item_parent'] ) || ! in_array( $menu_item_data['menu_item_parent'], array_keys( $dbids_to_orders ) ) || empty( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) || $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] != $menu_item_data['menu_item_parent'] ) { // just make it a child of the previous; keep the order $menu_item_data['menu_item_parent'] = (int) $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1]; update_post_meta( $menu_item_data['ID'], '_menu_item_menu_item_parent', (int) $menu_item_data['menu_item_parent'] ); wp_update_post($menu_item_data); } } } } break; case 'delete-menu-item': $menu_item_id = (int) $_REQUEST['menu-item']; check_admin_referer( 'delete-menu_item_' . $menu_item_id ); if ( is_nav_menu_item( $menu_item_id ) && wp_delete_post( $menu_item_id, true ) ) $messages[] = '

' . __('The menu item has been successfully deleted.') . '

'; break; case 'delete': check_admin_referer( 'delete-nav_menu-' . $nav_menu_selected_id ); if ( is_nav_menu( $nav_menu_selected_id ) ) { $deletion = _wp_delete_nav_menu( $nav_menu_selected_id ); } else { // Reset the selected menu $nav_menu_selected_id = 0; unset( $_REQUEST['menu'] ); } if ( ! isset( $deletion ) ) break; if ( is_wp_error( $deletion ) ) $messages[] = '

' . $deletion->get_error_message() . '

'; else $messages[] = '

' . __( 'The menu has been successfully deleted.' ) . '

'; break; case 'delete_menus': check_admin_referer( 'nav_menus_bulk_actions' ); foreach ( $_REQUEST['delete_menus'] as $menu_id_to_delete ) { if ( ! is_nav_menu( $menu_id_to_delete ) ) continue; $deletion = _wp_delete_nav_menu( $menu_id_to_delete ); if ( is_wp_error( $deletion ) ) { $messages[] = '

' . $deletion->get_error_message() . '

'; $deletion_error = true; } } if ( empty( $deletion_error ) ) $messages[] = '

' . __( 'Selected menus have been successfully deleted.' ) . '

'; break; case 'update': check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' ); // Get existing menu locations assignments $locations = get_registered_nav_menus(); $menu_locations = get_nav_menu_locations(); // Remove menu locations that have been unchecked foreach ( $locations as $location => $description ) { if ( ( empty( $_POST['menu-locations'] ) || empty( $_POST['menu-locations'][ $location ] ) ) && isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id ) unset( $menu_locations[ $location ] ); } // Merge new and existing menu locations if any new ones are set if ( isset( $_POST['menu-locations'] ) ) { $new_menu_locations = array_map( 'absint', $_POST['menu-locations'] ); $menu_locations = array_merge( $menu_locations, $new_menu_locations ); } // Set menu locations set_theme_mod( 'nav_menu_locations', $menu_locations ); // Add Menu if ( 0 == $nav_menu_selected_id ) { $new_menu_title = trim( esc_html( $_POST['menu-name'] ) ); if ( $new_menu_title ) { $_nav_menu_selected_id = wp_update_nav_menu_object( 0, array('menu-name' => $new_menu_title) ); if ( is_wp_error( $_nav_menu_selected_id ) ) { $messages[] = '

' . $_nav_menu_selected_id->get_error_message() . '

'; } else { $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id ); $nav_menu_selected_id = $_nav_menu_selected_id; $nav_menu_selected_title = $_menu_object->name; if ( isset( $_REQUEST['menu-item'] ) ) wp_save_nav_menu_items( $nav_menu_selected_id, absint( $_REQUEST['menu-item'] ) ); if ( isset( $_REQUEST['zero-menu-state'] ) ) { // If there are menu items, add them wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title ); // Auto-save nav_menu_locations $locations = get_theme_mod( 'nav_menu_locations' ); foreach ( (array) $locations as $location => $menu_id ) { $locations[ $location ] = $nav_menu_selected_id; break; // There should only be 1 } set_theme_mod( 'nav_menu_locations', $locations ); } $messages[] = '

' . sprintf( __( '%s has been created.' ), $nav_menu_selected_title ) . '

'; } } else { $messages[] = '

' . __( 'Please enter a valid menu name.' ) . '

'; } // Update existing menu } else { $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id ); $menu_title = trim( esc_html( $_POST['menu-name'] ) ); if ( ! $menu_title ) { $messages[] = '

' . __( 'Please enter a valid menu name.' ) . '

'; $menu_title = $_menu_object->name; } if ( ! is_wp_error( $_menu_object ) ) { $_nav_menu_selected_id = wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $menu_title ) ); if ( is_wp_error( $_nav_menu_selected_id ) ) { $_menu_object = $_nav_menu_selected_id; $messages[] = '

' . $_nav_menu_selected_id->get_error_message() . '

'; } else { $_menu_object = wp_get_nav_menu_object( $_nav_menu_selected_id ); $nav_menu_selected_title = $_menu_object->name; } } // Update menu items if ( ! is_wp_error( $_menu_object ) ) { $messages = array_merge( $messages, wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title ) ); } } break; } // Get all nav menus $nav_menus = wp_get_nav_menus( array('orderby' => 'name') ); $menu_count = count( $nav_menus ); // Are we on the add new screen? $add_new_screen = ( isset( $_GET['menu'] ) && 0 == $_GET['menu'] ) ? true : false; // If we have one theme location, and zero menus, we take them right into editing their first menu $page_count = wp_count_posts( 'page' ); $one_theme_location_no_menus = ( 1 == count( get_registered_nav_menus() ) && ! $add_new_screen && empty( $nav_menus ) && ! empty( $page_count->publish ) ) ? true : false; // Redirect to add screen if there are no menus and this users has either zero, or more than 1 theme locations if ( 0 == $menu_count && ! $add_new_screen && ! $one_theme_location_no_menus ) wp_redirect( admin_url( 'nav-menus.php?action=edit&menu=0' ) ); // Get recently edited nav menu $recently_edited = absint( get_user_option( 'nav_menu_recently_edited' ) ); if ( empty( $recently_edited ) && is_nav_menu( $nav_menu_selected_id ) ) $recently_edited = $nav_menu_selected_id; // Use $recently_edited if none are selected if ( empty( $nav_menu_selected_id ) && ! isset( $_GET['menu'] ) && is_nav_menu( $recently_edited ) ) $nav_menu_selected_id = $recently_edited; // On deletion of menu, if another menu exists, show it if ( ! $add_new_screen && 0 < $menu_count && isset( $_GET['action'] ) && 'delete' == $_GET['action'] ) $nav_menu_selected_id = $nav_menus[0]->term_id; // Set $nav_menu_selected_id to 0 if no menus if ( $one_theme_location_no_menus ) { $nav_menu_selected_id = 0; } elseif ( empty( $nav_menu_selected_id ) && ! empty( $nav_menus ) && ! $add_new_screen ) { // if we have no selection yet, and we have menus, set to the first one in the list $nav_menu_selected_id = $nav_menus[0]->term_id; } // Update the user's setting if ( $nav_menu_selected_id != $recently_edited && is_nav_menu( $nav_menu_selected_id ) ) update_user_meta( $current_user->ID, 'nav_menu_recently_edited', $nav_menu_selected_id ); // If there's a menu, get its name. if ( ! $nav_menu_selected_title && is_nav_menu( $nav_menu_selected_id ) ) { $_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id ); $nav_menu_selected_title = ! is_wp_error( $_menu_object ) ? $_menu_object->name : ''; } // Generate truncated menu names foreach( (array) $nav_menus as $key => $_nav_menu ) { $_nav_menu->truncated_name = trim( wp_html_excerpt( $_nav_menu->name, 40 ) ); if ( $_nav_menu->truncated_name != $_nav_menu->name ) $_nav_menu->truncated_name .= '…'; $nav_menus[$key]->truncated_name = $_nav_menu->truncated_name; } // Retrieve menu locations if ( current_theme_supports( 'menus' ) ) { $locations = get_registered_nav_menus(); $menu_locations = get_nav_menu_locations(); } // Ensure the user will be able to scroll horizontally // by adding a class for the max menu depth. global $_wp_nav_menu_max_depth; $_wp_nav_menu_max_depth = 0; // Calling wp_get_nav_menu_to_edit generates $_wp_nav_menu_max_depth if ( is_nav_menu( $nav_menu_selected_id ) ) { $menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array( 'post_status' => 'any' ) ); $edit_markup = wp_get_nav_menu_to_edit( $nav_menu_selected_id ); } function wp_nav_menu_max_depth($classes) { global $_wp_nav_menu_max_depth; return "$classes menu-max-depth-$_wp_nav_menu_max_depth"; } add_filter('admin_body_class', 'wp_nav_menu_max_depth'); wp_nav_menu_setup(); wp_initial_nav_menu_meta_boxes(); if ( ! current_theme_supports( 'menus' ) && ! wp_get_nav_menus() ) $messages[] = '

' . __('The current theme does not natively support menus, but you can use the “Custom Menu” widget to add any menus you create here to the theme’s sidebar.') . '

'; get_current_screen()->add_help_tab( array( 'id' => 'overview', 'title' => __('Overview'), 'content' => '

' . __('This feature allows you to use a custom menu in place of your theme’s default menus.') . '

' . '

' . __('Custom menus may contain links to pages, categories, custom links or other content types (use the Screen Options tab to decide which ones to show on the screen). You can specify a different navigation label for a menu item as well as other attributes. You can create multiple menus. If your theme includes more than one menu location, you can choose which custom menu to associate with each. You can also use custom menus in conjunction with the Custom Menus widget.') . '

' . '

' . sprintf( __('If your theme does not support the custom menus feature (the default themes, %1$s and %2$s, do), you can learn about adding this support by following the Documentation link to the side.'), 'Twenty Thirteen', 'Twenty Twelve' ) . '

' ) ); get_current_screen()->add_help_tab( array( 'id' => 'create-menus', 'title' => __('Create Menus'), 'content' => '

' . __('To create a new custom menu, click on the + tab, give the menu a name, and click Create Menu. Next, add menu items from the appropriate boxes. You’ll be able to edit the information for each menu item, and can drag and drop to change their order. You can also drag a menu item a little to the right to make it a submenu. Don’t forget to click Save Menu when you’re finished.') . '

' ) ); get_current_screen()->set_help_sidebar( '

' . __('For more information:') . '

' . '

' . __('Documentation on Menus') . '

' . '

' . __('Support Forums') . '

' ); // Get the admin header require_once( './admin-header.php' ); ?>

create a new menu.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
create a new menu.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>