'ids' ) );
if ( ! is_wp_error( $menus ) ) {
foreach( (array) $menus as $menu_id ) {
$move_down_ordered_menu_items = (array) wp_get_nav_menu_items( $menu_id );
while ( $next = array_shift( $move_down_ordered_menu_items ) ) {
if ( isset( $next->ID ) && $next->ID == $menu_item_id ) {
break;
}
}
if ( $following = array_shift( $move_down_ordered_menu_items ) ) {
$next_item_id = (int) $following->ID;
}
}
}
}
// fall through to next case
case 'move-up-menu-item' :
check_admin_referer( 'move-menu_item' );
$menu_item_id = empty( $next_item_id ) ? (int) $_REQUEST['menu-item'] : $next_item_id;
if ( 'nav_menu_item' == get_post_type( $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 ) ) {
foreach( (array) $menus as $menu_id ) {
$ordered_menu_items = wp_get_nav_menu_items( $menu_id );
$menu_item_data = get_post( $menu_item_id , ARRAY_A );
// setup the data we need in one pass through the array of menu items
$dbids_to_orders = array();
$orders_to_dbids = array();
$objectids_to_dbids = array();
$dbids_to_objectids = 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;
}
$possible_object_id = (int) get_post_meta( $ordered_menu_item_object->ID, '_menu_item_object_id', true );
if ( ! empty( $possible_object_id ) ) {
$dbids_to_objectids[$ordered_menu_item_object->ID] = $possible_object_id;
$objectids_to_dbids[$possible_object_id] = $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['post_parent'] ) &&
isset( $objectids_to_dbids[$menu_item_data['post_parent']] ) &&
isset( $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] ) &&
( $objectids_to_dbids[$menu_item_data['post_parent']] == $orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1] )
) {
$parent_db_id = $objectids_to_dbids[$menu_item_data['post_parent']];
$parent_data = get_post( $parent_db_id, ARRAY_A );
if ( ! is_wp_error( $parent_data ) ) {
// if there is something before the parent, make menu item a child of the parent's parent
if ( ! empty( $dbids_to_orders[$parent_db_id] ) && ! empty( $orders_to_dbids[$dbids_to_orders[$parent_db_id] - 1] ) ) {
$menu_item_data['post_parent'] = $parent_data['post_parent'];
// else there isn't something before the parent
} else {
$menu_item_data['post_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'] = $menu_item_data['menu_order'] - 1;
// save changes
wp_update_post($menu_item_data);
wp_update_post($parent_data);
}
// else this menu item is not a child of the previous
} elseif ( isset($dbids_to_objectids[$orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1]] ) ) {
// just make it a child of the previous; keep the order
$menu_item_data['post_parent'] = (int) $dbids_to_objectids[$orders_to_dbids[$dbids_to_orders[$menu_item_id] - 1]];
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 ( 'nav_menu_item' == get_post_type( $menu_item_id ) ) {
if ( wp_delete_post( $menu_item_id, true ) ) {
$messages_div = '
' . __('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 ) ) {
$delete_nav_menu = wp_delete_nav_menu( $nav_menu_selected_id );
if ( is_wp_error($delete_nav_menu) ) {
$messages_div = '' . $delete_nav_menu->get_error_message() . '
';
} else {
$messages_div = '' . __('The menu has been successfully deleted.') . '
';
$nav_menu_selected_id = 0; // Reset the selected menu
}
unset( $delete_nav_menu );
}
break;
case 'update':
check_admin_referer( 'update-nav_menu', 'update-nav-menu-nonce' );
// Add Menu
if ( 0 == $nav_menu_selected_id ) {
if ( current_theme_supports('nav-menus') || current_theme_supports('widgets') ) {
$new_menu_title = 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_div = '' . $_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;
$messages_div = '' . sprintf( __('The %s menu has been successfully created.'), $nav_menu_selected_title ) . '
';
}
} else {
$messages_div = '' . __('Please enter a valid menu name.') . '
';
}
}
// update existing menu
} else {
$_menu_object = wp_get_nav_menu_object( $nav_menu_selected_id );
if ( ! is_wp_error( $_menu_object ) ) {
wp_update_nav_menu_object( $nav_menu_selected_id, array( 'menu-name' => $_POST['menu-name'] ) );
$nav_menu_selected_title = $_menu_object->name;
}
// Update menu items
if ( ! is_wp_error( $_menu_object ) ) {
$menu_items = wp_get_nav_menu_items( $nav_menu_selected_id, array('orderby' => 'ID', 'output' => ARRAY_A, 'output_key' => 'ID') );
// Loop through all the menu items' POST variables
foreach( (array) $_POST['menu-item-db-id'] as $_key => $k ) {
// Menu item title can't be blank
if ( '' == $_POST['menu-item-title'][$_key] )
continue;
$args = array(
'menu-item-db-id' => $_POST['menu-item-db-id'][$_key],
'menu-item-object-id' => $_POST['menu-item-object-id'][$_key],
'menu-item-object' => $_POST['menu-item-object'][$_key],
'menu-item-parent-id' => $_POST['menu-item-parent-id'][$_key],
'menu-item-position' => $_POST['menu-item-position'][$_key],
'menu-item-type' => $_POST['menu-item-type'][$_key],
'menu-item-append' => $_POST['menu-item-append'][$_key],
'menu-item-title' => $_POST['menu-item-title'][$_key],
'menu-item-url' => $_POST['menu-item-url'][$_key],
'menu-item-description' => $_POST['menu-item-description'][$_key],
'menu-item-attr-title' => $_POST['menu-item-attr-title'][$_key],
'menu-item-target' => $_POST['menu-item-target'][$_key],
'menu-item-classes' => $_POST['menu-item-classes'][$_key],
'menu-item-xfn' => $_POST['menu-item-xfn'][$_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 ) && 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 ) {
wp_delete_post( $menu_item_id );
}
}
do_action( 'wp_update_nav_menu', $nav_menu_selected_id );
$messages_div = '' . sprintf( __('The %s menu has been updated.'), $nav_menu_selected_title ) . '
';
unset( $menu_items );
}
}
break;
}
// Get all nav menus
$nav_menus = wp_get_nav_menus();
// Get recently edited nav menu
$recently_edited = (int) get_user_option( 'nav_menu_recently_edited' );
// If there was no recently edited menu, and $nav_menu_selected_id is a nav menu, update recently edited menu.
if ( !$recently_edited && is_nav_menu( $nav_menu_selected_id ) ) {
$recently_edited = $nav_menu_selected_id;
// Else if $nav_menu_selected_id is not a menu and not requesting that we create a new menu, but $recently_edited is a menu, grab that one.
} elseif ( 0 == $nav_menu_selected_id && ! isset( $_REQUEST['menu'] ) && is_nav_menu( $recently_edited ) ) {
$nav_menu_selected_id = $recently_edited;
// Else try to grab the first menu from the menus list
} elseif ( 0 == $nav_menu_selected_id && ! isset( $_REQUEST['menu'] ) && ! empty($nav_menus) ) {
$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 : '';
}
// The theme supports menus
if ( current_theme_supports('nav-menus') ) {
// Register nav menu metaboxes
wp_nav_menu_meta_boxes_setup();
// The theme does not support menus but supports widgets
} elseif ( current_theme_supports('widgets') ) {
// Register nav menu metaboxes
wp_nav_menu_meta_boxes_setup();
$messages_div = '' . __('The current theme does not natively support menus, but you can use the “Navigation Menu” widget to add any menus you create here to the theme’s sidebar.') . '
';
// The theme supports neither menus nor widgets.
} else {
remove_meta_box( 'create-menu', 'nav-menus', 'side' );
$messages_div = '' . __('The current theme does not support menus.') . '
';
}
// Get the admin header
require_once( 'admin-header.php' );
?>