'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' );
// 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 );
}
if ( isset( $_REQUEST['use-location'] ) ) {
$locations = get_theme_mod( 'nav_menu_locations' );
if ( isset( $locations[$_REQUEST['use-location']] ) )
$locations[$_REQUEST['use-location']] = $nav_menu_selected_id;
set_theme_mod( 'nav_menu_locations', $locations );
}
// $messages[] = '' . sprintf( __( '%s has been created.' ), $nav_menu_selected_title ) . '
';
wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
exit();
}
} 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;
case 'locations':
if ( ! $num_locations ) {
wp_redirect( admin_url( 'nav-menus.php' ) );
exit();
}
add_filter( 'screen_options_show_screen', '__return_false' );
if ( isset( $_POST['menu-locations'] ) ) {
check_admin_referer( 'save-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 );
$messages[] = '' . __( 'Menu locations updated.' ) . '
';
}
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;
$locations_screen = ( isset( $_GET['action'] ) && 'locations' == $_GET['action'] ) ? 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;
$nav_menus_l10n = array(
'oneThemeLocationNoMenus' => $one_theme_location_no_menus,
'moveUp' => __( 'Move up one' ),
'moveDown' => __( 'Move down one' ),
'moveToTop' => __( 'Move to the top' ),
/* translators: %s: previous item name */
'moveUnder' => __( 'Move under %s' ),
/* translators: %s: previous item name */
'moveOutFrom' => __( 'Move out from under %s' ),
/* translators: %s: previous item name */
'under' => __( 'Under %s' ),
/* translators: %s: previous item name */
'outFrom' => __( 'Out from under %s' ),
/* translators: 1: item name, 2: item position, 3: total number of items */
'menuFocus' => __( '%1$s. Menu item %2$d of %3$d.' ),
/* translators: 1: item name, 2: item position, 3: parent item name */
'subMenuFocus' => __( '%1$s. Sub item number %2$d under %3$s.' ),
);
wp_localize_script( 'nav-menu', 'menus', $nav_menus_l10n );
// 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 ) {
$nav_menus[$key]->truncated_name = wp_html_excerpt( $_nav_menu->name, 40, '…' );
}
// 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' ) && ! $num_locations )
$messages[] = '' . sprintf( __( 'Your theme does not natively support menus, but you can use them in sidebars by adding a “Custom Menu” widget on the Widgets screen.' ), admin_url( 'widgets.php' ) ) . '
';
if ( ! $locations_screen ) : // Main tab
$overview = '' . __( 'This screen is used for managing your custom navigation menus.' ) . '
';
$overview .= '' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a “Custom Menu” widget on the Widgets screen. If your theme does not support the custom menus feature (the default themes, %2$s and %3$s, do), you can learn about adding this support by following the Documentation link to the side.' ), admin_url( 'widgets.php' ), 'Twenty Thirteen', 'Twenty Twelve' ) . '
';
$overview .= '' . __( 'From this screen you can:' ) . '
';
$overview .= '- ' . __( 'Create, edit, and delete menus' ) . '
';
$overview .= '- ' . __( 'Add, organize, and modify individual menu items' ) . '
';
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' => $overview
) );
$menu_management = '' . __( 'The menu management box at the top of the screen is used to control which menu is opened in the editor below.' ) . '
';
$menu_management .= '- ' . __( 'To edit an existing menu, choose a menu from the drop down and click Select' ) . '
';
$menu_management .= '- ' . __( 'If you haven’t yet created any menus, click the ’create a new menu’ link to get started' ) . '
';
$menu_management .= '' . __( 'You can assign theme locations to individual menus by selecting the desired settings at the bottom of the menu editor. To assign menus to all theme locations at once, visit the Manage Locations tab at the top of the screen.' ) . '
';
get_current_screen()->add_help_tab( array(
'id' => 'menu-management',
'title' => __( 'Menu Management' ),
'content' => $menu_management
) );
$editing_menus = '' . __( 'Each custom menu may contain a mix of links to pages, categories, custom URLs or other content types. Menu links are added by selecting items from the expanding boxes in the left-hand column below.' ) . '
';
$editing_menus .= '' . __( 'Clicking the title of any menu item in the editor will reveal a standard group of settings. Additional settings such as link target, CSS classes, link relationships, and link descriptions can be enabled and disabled via the Screen Options tab.' ) . '
';
$editing_menus .= '- ' . __( 'Add one or several items at once by selecting the checkbox next to each item and clicking Add to Menu' ) . '
';
$editing_menus .= '- ' . __( 'To add a custom link, expand the Links section, enter a URL and link text, and click Add to Menu' ) .'
';
$editing_menus .= '- ' . __( 'To reorganize menu items, drag and drop items with your mouse or use your keyboard. Drag or move a menu item a little to the right to make it a submenu' ) . '
';
$editing_menus .= '- ' . __( 'Delete a menu item by expanding it and clicking the Remove link' ) . '
';
get_current_screen()->add_help_tab( array(
'id' => 'editing-menus',
'title' => __( 'Editing Menus' ),
'content' => $editing_menus
) );
else : // Locations Tab
$locations_overview = '' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '
';
$locations_overview .= '- ' . __( 'To assign menus to one or more theme locations, select a menu from each location’s drop down. When you’re finished, click Save Changes' ) . '
';
$locations_overview .= '- ' . __( 'To edit a menu currently assigned to a theme location, click the adjacent ’Edit’ link' ) . '
';
$locations_overview .= '- ' . __( 'To add a new menu instead of assigning an existing one, click the ’Use new menu’ link. Your new menu will be automatically assigned to that theme location' ) . '
';
get_current_screen()->add_help_tab( array(
'id' => 'locations-overview',
'title' => __( 'Overview' ),
'content' => $locations_overview
) );
endif;
get_current_screen()->set_help_sidebar(
'' . __('For more information:') . '
' .
'' . __('Documentation on Menus') . '
' .
'' . __('Support Forums') . '
'
);
// Get the admin header
require_once( './admin-header.php' );
?>
' . sprintf( _n( 'Your theme supports %s menu. Select which menu you would like to use below.', 'Your theme supports %s menus. Select a menu to use for each theme location below.', $num_locations ), number_format_i18n( $num_locations ) ) . '';
?>