WordPress/wp-admin/nav-menus.php

865 lines
40 KiB
PHP
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
/**
* WordPress Administration for Navigation Menus
* Interface functions
*
* @version 2.0.0
*
* @package WordPress
* @subpackage Administration
*/
/** Load WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
// Load all the nav menu interface functions
require_once( ABSPATH . 'wp-admin/includes/nav-menu.php' );
if ( ! current_theme_supports( 'menus' ) && ! current_theme_supports( 'widgets' ) )
wp_die( __( 'Your theme does not support navigation menus or widgets.' ) );
// Permissions Check
if ( ! current_user_can( 'edit_theme_options' ) ) {
wp_die(
'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
'<p>' . __( 'You are not allowed to edit theme options on this site.' ) . '</p>',
403
);
}
wp_enqueue_script( 'nav-menu' );
if ( wp_is_mobile() )
wp_enqueue_script( 'jquery-touch-punch' );
// Container for any messages displayed to the user
$messages = array();
// Container that stores the name of the active menu
$nav_menu_selected_title = '';
// The menu id of the current menu being edited
$nav_menu_selected_id = isset( $_REQUEST['menu'] ) ? (int) $_REQUEST['menu'] : 0;
// Get existing menu locations assignments
$locations = get_registered_nav_menus();
$menu_locations = get_nav_menu_locations();
$num_locations = count( array_keys( $locations ) );
// Allowed actions: add, update, delete
$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : 'edit';
/*
* If a JSON blob of navigation menu data is found, expand it and inject it
* into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
*/
if ( isset( $_POST['nav-menu-data'] ) ) {
$data = json_decode( stripslashes( $_POST['nav-menu-data'] ) );
if ( ! is_null( $data ) && $data ) {
foreach ( $data as $post_input_data ) {
// For input names that are arrays (e.g. `menu-item-db-id[3]`), derive the array path keys via regex.
if ( preg_match( '#(.*)(?:\[(\d+)\])#', $post_input_data->name, $matches ) ) {
if ( empty( $_POST[$matches[1]] ) ) {
$_POST[$matches[1]] = array();
}
$_POST[$matches[1]][(int)$matches[2]] = $post_input_data->value;
} else {
$_POST[$post_input_data->name] = $post_input_data->value;
}
}
}
}
switch ( $action ) {
case 'add-menu-item':
check_admin_referer( 'add-menu_item', 'menu-settings-column-nonce' );
if ( isset( $_REQUEST['nav-menu-locations'] ) )
set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_REQUEST['menu-locations'] ) );
elseif ( isset( $_REQUEST['menu-item'] ) )
wp_save_nav_menu_items( $nav_menu_selected_id, $_REQUEST['menu-item'] );
break;
case 'move-down-menu-item' :
// Moving down a menu item is the same as moving up the next in order.
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;
}
}
}
// 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[] = '<div id="message" class="updated notice is-dismissible"><p>' . __('The menu item has been successfully deleted.') . '</p></div>';
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[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
else
$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'The menu has been successfully deleted.' ) . '</p></div>';
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[] = '<div id="message" class="error notice is-dismissible"><p>' . $deletion->get_error_message() . '</p></div>';
$deletion_error = true;
}
}
if ( empty( $deletion_error ) )
$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Selected menus have been successfully deleted.' ) . '</p></div>';
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[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
} 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_nav_menu_locations();
foreach ( $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_registered_nav_menus();
$menu_locations = get_nav_menu_locations();
if ( isset( $locations[ $_REQUEST['use-location'] ] ) )
$menu_locations[ $_REQUEST['use-location'] ] = $nav_menu_selected_id;
set_theme_mod( 'nav_menu_locations', $menu_locations );
}
// $messages[] = '<div id="message" class="updated"><p>' . sprintf( __( '<strong>%s</strong> has been created.' ), $nav_menu_selected_title ) . '</p></div>';
wp_redirect( admin_url( 'nav-menus.php?menu=' . $_nav_menu_selected_id ) );
exit();
}
} else {
$messages[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
}
// 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[] = '<div id="message" class="error notice is-dismissible"><p>' . __( 'Please enter a valid menu name.' ) . '</p></div>';
$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[] = '<div id="message" class="error notice is-dismissible"><p>' . $_nav_menu_selected_id->get_error_message() . '</p></div>';
} 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 ) );
// If the menu ID changed, redirect to the new URL.
if ( $nav_menu_selected_id != $_nav_menu_selected_id ) {
wp_redirect( admin_url( 'nav-menus.php?menu=' . intval( $_nav_menu_selected_id ) ) );
exit();
}
}
}
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[] = '<div id="message" class="updated notice is-dismissible"><p>' . __( 'Menu locations updated.' ) . '</p></div>';
}
break;
}
// Get all nav menus.
$nav_menus = wp_get_nav_menus();
$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, '&hellip;' );
}
// 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 int $_wp_nav_menu_max_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 );
}
/**
*
* @global int $_wp_nav_menu_max_depth
*
* @param string $classes
* @return string
*/
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[] = '<div id="message" class="updated"><p>' . sprintf( __( 'Your theme does not natively support menus, but you can use them in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%s">Widgets</a> screen.' ), admin_url( 'widgets.php' ) ) . '</p></div>';
if ( ! $locations_screen ) : // Main tab
$overview = '<p>' . __( 'This screen is used for managing your custom navigation menus.' ) . '</p>';
$overview .= '<p>' . sprintf( __( 'Menus can be displayed in locations defined by your theme, even used in sidebars by adding a &#8220;Custom Menu&#8221; widget on the <a href="%1$s">Widgets</a> 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 Fifteen', 'Twenty Fourteen' ) . '</p>';
$overview .= '<p>' . __( 'From this screen you can:' ) . '</p>';
$overview .= '<ul><li>' . __( 'Create, edit, and delete menus' ) . '</li>';
$overview .= '<li>' . __( 'Add, organize, and modify individual menu items' ) . '</li></ul>';
get_current_screen()->add_help_tab( array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' => $overview
) );
$menu_management = '<p>' . __( 'The menu management box at the top of the screen is used to control which menu is opened in the editor below.' ) . '</p>';
$menu_management .= '<ul><li>' . __( 'To edit an existing menu, <strong>choose a menu from the drop down and click Select</strong>' ) . '</li>';
$menu_management .= '<li>' . __( 'If you haven&#8217;t yet created any menus, <strong>click the &#8217;create a new menu&#8217; link</strong> to get started' ) . '</li></ul>';
$menu_management .= '<p>' . __( 'You can assign theme locations to individual menus by <strong>selecting the desired settings</strong> at the bottom of the menu editor. To assign menus to all theme locations at once, <strong>visit the Manage Locations tab</strong> at the top of the screen.' ) . '</p>';
get_current_screen()->add_help_tab( array(
'id' => 'menu-management',
'title' => __( 'Menu Management' ),
'content' => $menu_management
) );
$editing_menus = '<p>' . __( '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.' ) . '</p>';
$editing_menus .= '<p>' . __( '<strong>Clicking the arrow to the right of any menu item</strong> 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.' ) . '</p>';
$editing_menus .= '<ul><li>' . __( 'Add one or several items at once by <strong>selecting the checkbox next to each item and clicking Add to Menu</strong>' ) . '</li>';
$editing_menus .= '<li>' . __( 'To add a custom link, <strong>expand the Custom Links section, enter a URL and link text, and click Add to Menu</strong>' ) .'</li>';
$editing_menus .= '<li>' . __( 'To reorganize menu items, <strong>drag and drop items with your mouse or use your keyboard</strong>. Drag or move a menu item a little to the right to make it a submenu' ) . '</li>';
$editing_menus .= '<li>' . __( 'Delete a menu item by <strong>expanding it and clicking the Remove link</strong>' ) . '</li></ul>';
get_current_screen()->add_help_tab( array(
'id' => 'editing-menus',
'title' => __( 'Editing Menus' ),
'content' => $editing_menus
) );
else : // Locations Tab.
$locations_overview = '<p>' . __( 'This screen is used for globally assigning menus to locations defined by your theme.' ) . '</p>';
$locations_overview .= '<ul><li>' . __( 'To assign menus to one or more theme locations, <strong>select a menu from each location&#8217;s drop down.</strong> When you&#8217;re finished, <strong>click Save Changes</strong>' ) . '</li>';
$locations_overview .= '<li>' . __( 'To edit a menu currently assigned to a theme location, <strong>click the adjacent &#8217;Edit&#8217; link</strong>' ) . '</li>';
$locations_overview .= '<li>' . __( 'To add a new menu instead of assigning an existing one, <strong>click the &#8217;Use new menu&#8217; link</strong>. Your new menu will be automatically assigned to that theme location' ) . '</li></ul>';
get_current_screen()->add_help_tab( array(
'id' => 'locations-overview',
'title' => __( 'Overview' ),
'content' => $locations_overview
) );
endif;
get_current_screen()->set_help_sidebar(
'<p><strong>' . __('For more information:') . '</strong></p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Appearance_Menus_Screen" target="_blank">Documentation on Menus</a>') . '</p>' .
'<p>' . __('<a href="https://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
);
// Get the admin header.
require_once( ABSPATH . 'wp-admin/admin-header.php' );
?>
<div class="wrap">
<h1><?php echo esc_html( __( 'Menus' ) ); ?>
<?php
if ( current_user_can( 'customize' ) ) :
$focus = $locations_screen ? array( 'section' => 'menu_locations' ) : array( 'panel' => 'nav_menus' );
printf(
' <a class="page-title-action hide-if-no-customize" href="%1$s">%2$s</a>',
esc_url( add_query_arg( array(
array( 'autofocus' => $focus ),
'return' => urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) ),
), admin_url( 'customize.php' ) ) ),
__( 'Manage in Customizer' )
);
endif;
?>
</h1>
<h2 class="nav-tab-wrapper wp-clearfix">
<a href="<?php echo admin_url( 'nav-menus.php' ); ?>" class="nav-tab<?php if ( ! isset( $_GET['action'] ) || isset( $_GET['action'] ) && 'locations' != $_GET['action'] ) echo ' nav-tab-active'; ?>"><?php esc_html_e( 'Edit Menus' ); ?></a>
<?php if ( $num_locations && $menu_count ) : ?>
<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>" class="nav-tab<?php if ( $locations_screen ) echo ' nav-tab-active'; ?>"><?php esc_html_e( 'Manage Locations' ); ?></a>
<?php
endif;
?>
</h2>
<?php
foreach ( $messages as $message ) :
echo $message . "\n";
endforeach;
?>
<?php
if ( $locations_screen ) :
if ( 1 == $num_locations ) {
echo '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' ) . '</p>';
} else {
echo '<p>' . sprintf( _n( 'Your theme supports %s menu. Select which menu appears in each location.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) ) . '</p>';
}
?>
<div id="menu-locations-wrap">
<form method="post" action="<?php echo esc_url( add_query_arg( array( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) ); ?>">
<table class="widefat fixed" id="menu-locations-table">
<thead>
<tr>
<th scope="col" class="manage-column column-locations"><?php _e( 'Theme Location' ); ?></th>
<th scope="col" class="manage-column column-menus"><?php _e( 'Assigned Menu' ); ?></th>
</tr>
</thead>
<tbody class="menu-locations">
<?php foreach ( $locations as $_location => $_name ) { ?>
<tr class="menu-locations-row">
<td class="menu-location-title"><label for="locations-<?php echo $_location; ?>"><?php echo $_name; ?></label></td>
<td class="menu-location-menus">
<select name="menu-locations[<?php echo $_location; ?>]" id="locations-<?php echo $_location; ?>">
<option value="0"><?php printf( '&mdash; %s &mdash;', esc_html__( 'Select a Menu' ) ); ?></option>
<?php foreach ( $nav_menus as $menu ) : ?>
<?php $selected = isset( $menu_locations[$_location] ) && $menu_locations[$_location] == $menu->term_id; ?>
<option <?php if ( $selected ) echo 'data-orig="true"'; ?> <?php selected( $selected ); ?> value="<?php echo $menu->term_id; ?>">
<?php echo wp_html_excerpt( $menu->name, 40, '&hellip;' ); ?>
</option>
<?php endforeach; ?>
</select>
<div class="locations-row-links">
<?php if ( isset( $menu_locations[ $_location ] ) && 0 != $menu_locations[ $_location ] ) : ?>
<span class="locations-edit-menu-link">
<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => $menu_locations[$_location] ), admin_url( 'nav-menus.php' ) ) ); ?>">
<span aria-hidden="true"><?php _ex( 'Edit', 'menu' ); ?></span><span class="screen-reader-text"><?php _e( 'Edit selected menu' ); ?></span>
</a>
</span>
<?php endif; ?>
<span class="locations-add-menu-link">
<a href="<?php echo esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0, 'use-location' => $_location ), admin_url( 'nav-menus.php' ) ) ); ?>">
<?php _ex( 'Use new menu', 'menu' ); ?>
</a>
</span>
</div><!-- .locations-row-links -->
</td><!-- .menu-location-menus -->
</tr><!-- .menu-locations-row -->
<?php } // foreach ?>
</tbody>
</table>
<p class="button-controls wp-clearfix"><?php submit_button( __( 'Save Changes' ), 'primary left', 'nav-menu-locations', false ); ?></p>
<?php wp_nonce_field( 'save-menu-locations' ); ?>
<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
</form>
</div><!-- #menu-locations-wrap -->
<?php
/**
* Fires after the menu locations table is displayed.
*
* @since 3.6.0
*/
do_action( 'after_menu_locations_table' ); ?>
<?php else : ?>
<div class="manage-menus">
<?php if ( $menu_count < 2 ) : ?>
<span class="add-edit-menu-action">
<?php printf( __( 'Edit your menu below, or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
</span><!-- /add-edit-menu-action -->
<?php else : ?>
<form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
<input type="hidden" name="action" value="edit" />
<label for="select-menu-to-edit" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
<select name="menu" id="select-menu-to-edit">
<?php if ( $add_new_screen ) : ?>
<option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
<?php endif; ?>
<?php foreach ( (array) $nav_menus as $_nav_menu ) : ?>
<option value="<?php echo esc_attr( $_nav_menu->term_id ); ?>" <?php selected( $_nav_menu->term_id, $nav_menu_selected_id ); ?>>
<?php
echo esc_html( $_nav_menu->truncated_name ) ;
if ( ! empty( $menu_locations ) && in_array( $_nav_menu->term_id, $menu_locations ) ) {
$locations_assigned_to_this_menu = array();
foreach ( array_keys( $menu_locations, $_nav_menu->term_id ) as $menu_location_key ) {
if ( isset( $locations[ $menu_location_key ] ) ) {
$locations_assigned_to_this_menu[] = $locations[ $menu_location_key ];
}
}
/**
* Filter the number of locations listed per menu in the drop-down select.
*
* @since 3.6.0
*
* @param int $locations Number of menu locations to list. Default 3.
*/
$assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) );
// Adds ellipses following the number of locations defined in $assigned_locations.
if ( ! empty( $assigned_locations ) ) {
printf( ' (%1$s%2$s)',
implode( ', ', $assigned_locations ),
count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' &hellip;' : ''
);
}
}
?>
</option>
<?php endforeach; ?>
</select>
<span class="submit-btn"><input type="submit" class="button-secondary" value="<?php esc_attr_e( 'Select' ); ?>"></span>
<span class="add-new-menu-action">
<?php printf( __( 'or <a href="%s">create a new menu</a>.' ), esc_url( add_query_arg( array( 'action' => 'edit', 'menu' => 0 ), admin_url( 'nav-menus.php' ) ) ) ); ?>
</span><!-- /add-new-menu-action -->
</form>
<?php endif; ?>
</div><!-- /manage-menus -->
<div id="nav-menus-frame" class="wp-clearfix">
<div id="menu-settings-column" class="metabox-holder<?php if ( isset( $_GET['menu'] ) && '0' == $_GET['menu'] ) { echo ' metabox-holder-disabled'; } ?>">
<div class="clear"></div>
<form id="nav-menu-meta" class="nav-menu-meta" method="post" enctype="multipart/form-data">
<input type="hidden" name="menu" id="nav-menu-meta-object-id" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
<input type="hidden" name="action" value="add-menu-item" />
<?php wp_nonce_field( 'add-menu_item', 'menu-settings-column-nonce' ); ?>
<?php do_accordion_sections( 'nav-menus', 'side', null ); ?>
</form>
</div><!-- /#menu-settings-column -->
<div id="menu-management-liquid">
<div id="menu-management">
<form id="update-nav-menu" method="post" enctype="multipart/form-data">
<div class="menu-edit <?php if ( $add_new_screen ) echo 'blank-slate'; ?>">
<input type="hidden" name="nav-menu-data">
<?php
wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
wp_nonce_field( 'update-nav_menu', 'update-nav-menu-nonce' );
$menu_name_aria_desc = $add_new_screen ? ' aria-describedby="menu-name-desc"' : '';
if ( $one_theme_location_no_menus ) {
$menu_name_val = 'value="' . esc_attr( 'Menu 1' ) . '"';
?>
<input type="hidden" name="zero-menu-state" value="true" />
<?php } else {
$menu_name_val = 'value="' . esc_attr( $nav_menu_selected_title ) . '"';
} ?>
<input type="hidden" name="action" value="update" />
<input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
<div id="nav-menu-header">
<div class="major-publishing-actions wp-clearfix">
<label class="menu-name-label" for="menu-name"><?php _e( 'Menu Name' ); ?></label>
<input name="menu-name" id="menu-name" type="text" class="menu-name regular-text menu-item-textbox" <?php echo $menu_name_val . $menu_name_aria_desc; ?> />
<div class="publishing-action">
<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'button-primary menu-save', 'save_menu', false, array( 'id' => 'save_menu_header' ) ); ?>
</div><!-- END .publishing-action -->
</div><!-- END .major-publishing-actions -->
</div><!-- END .nav-menu-header -->
<div id="post-body">
<div id="post-body-content" class="wp-clearfix">
<?php if ( ! $add_new_screen ) : ?>
<h3><?php _e( 'Menu Structure' ); ?></h3>
<?php $starter_copy = ( $one_theme_location_no_menus ) ? __( 'Edit your default menu by adding or removing items. Drag each item into the order you prefer. Click Create Menu to save your changes.' ) : __( 'Drag each item into the order you prefer. Click the arrow on the right of the item to reveal additional configuration options.' ); ?>
<div class="drag-instructions post-body-plain" <?php if ( isset( $menu_items ) && 0 == count( $menu_items ) ) { ?>style="display: none;"<?php } ?>>
<p><?php echo $starter_copy; ?></p>
</div>
<?php
if ( isset( $edit_markup ) && ! is_wp_error( $edit_markup ) ) {
echo $edit_markup;
} else {
?>
<ul class="menu" id="menu-to-edit"></ul>
<?php } ?>
<?php endif; ?>
<?php if ( $add_new_screen ) : ?>
<p class="post-body-plain" id="menu-name-desc"><?php _e( 'Give your menu a name, then click Create Menu.' ); ?></p>
<?php if ( isset( $_GET['use-location'] ) ) : ?>
<input type="hidden" name="use-location" value="<?php echo esc_attr( $_GET['use-location'] ); ?>" />
<?php endif; ?>
<?php endif; ?>
<div class="menu-settings" <?php if ( $one_theme_location_no_menus ) { ?>style="display: none;"<?php } ?>>
<h3><?php _e( 'Menu Settings' ); ?></h3>
<?php
if ( ! isset( $auto_add ) ) {
$auto_add = get_option( 'nav_menu_options' );
if ( ! isset( $auto_add['auto_add'] ) )
$auto_add = false;
elseif ( false !== array_search( $nav_menu_selected_id, $auto_add['auto_add'] ) )
$auto_add = true;
else
$auto_add = false;
} ?>
<dl class="auto-add-pages">
<dt class="howto"><?php _e( 'Auto add pages' ); ?></dt>
<dd class="checkbox-input"><input type="checkbox"<?php checked( $auto_add ); ?> name="auto-add-pages" id="auto-add-pages" value="1" /> <label for="auto-add-pages"><?php printf( __('Automatically add new top-level pages to this menu' ), esc_url( admin_url( 'edit.php?post_type=page' ) ) ); ?></label></dd>
</dl>
<?php if ( current_theme_supports( 'menus' ) ) : ?>
<dl class="menu-theme-locations">
<dt class="howto"><?php _e( 'Theme locations' ); ?></dt>
<?php foreach ( $locations as $location => $description ) : ?>
<dd class="checkbox-input">
<input type="checkbox"<?php checked( isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $nav_menu_selected_id ); ?> name="menu-locations[<?php echo esc_attr( $location ); ?>]" id="locations-<?php echo esc_attr( $location ); ?>" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
<label for="locations-<?php echo esc_attr( $location ); ?>"><?php echo $description; ?></label>
<?php if ( ! empty( $menu_locations[ $location ] ) && $menu_locations[ $location ] != $nav_menu_selected_id ) : ?>
<span class="theme-location-set"><?php
/* translators: %s: menu name */
printf( _x( '(Currently set to: %s)', 'menu location' ),
wp_get_nav_menu_object( $menu_locations[ $location ] )->name
);
?></span>
<?php endif; ?>
</dd>
<?php endforeach; ?>
</dl>
<?php endif; ?>
</div>
</div><!-- /#post-body-content -->
</div><!-- /#post-body -->
<div id="nav-menu-footer">
<div class="major-publishing-actions wp-clearfix">
<?php if ( 0 != $menu_count && ! $add_new_screen ) : ?>
<span class="delete-action">
<a class="submitdelete deletion menu-delete" href="<?php echo esc_url( wp_nonce_url( add_query_arg( array( 'action' => 'delete', 'menu' => $nav_menu_selected_id ), admin_url( 'nav-menus.php' ) ), 'delete-nav_menu-' . $nav_menu_selected_id) ); ?>"><?php _e('Delete Menu'); ?></a>
</span><!-- END .delete-action -->
<?php endif; ?>
<div class="publishing-action">
<?php submit_button( empty( $nav_menu_selected_id ) ? __( 'Create Menu' ) : __( 'Save Menu' ), 'button-primary menu-save', 'save_menu', false, array( 'id' => 'save_menu_footer' ) ); ?>
</div><!-- END .publishing-action -->
</div><!-- END .major-publishing-actions -->
</div><!-- /#nav-menu-footer -->
</div><!-- /.menu-edit -->
</form><!-- /#update-nav-menu -->
</div><!-- /#menu-management -->
</div><!-- /#menu-management-liquid -->
</div><!-- /#nav-menus-frame -->
<?php endif; ?>
</div><!-- /.wrap-->
<?php include( ABSPATH . 'wp-admin/admin-footer.php' ); ?>