$item->type,
'nav_menu_item_id' => $item_id,
'nav_menu_item_depth' => $depth,
)
);
// render
if ( ! empty( $field_groups ) ) {
// open
echo '';
// Trigger append for newly created menu item (via AJAX)
if ( acf_is_ajax( 'add-menu-item' ) ) : ?>
restrict_save_input( $menu_id );
// validate and show errors
acf_validate_save_post( true );
// save
acf_save_post( $post_id );
// Menu items don't submit files; only the menu's own fields use $_FILES['acf'].
acf_discard_uploaded_field_values();
// save nav menu items
$this->update_nav_menu_items( $menu_id );
}
/**
* Restricts the menu's $_POST['acf'] and $_FILES['acf'] values, and each item's
* $_POST['menu-item-acf'] values, to the fields rendered for them or that apply to them.
*
* Each menu item is rendered for its own ID, so an item only accepts its own field list.
*
* @since 6.8.11
*
* @param integer $menu_id The menu ID.
* @return void
*/
private function restrict_save_input( $menu_id ) {
$menu_id = (int) $menu_id;
acf_restrict_save_input(
array(
'context' => 'nav_menu',
'post_id' => "term_{$menu_id}",
'render_ids' => array( "term_{$menu_id}" ),
'screen' => array( 'nav_menu' => $menu_id ),
)
);
// phpcs:disable WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash -- Verified in update_nav_menu(); sanitized when saved.
if ( ! isset( $_POST['menu-item-acf'] ) ) {
return;
}
$submitted = is_array( $_POST['menu-item-acf'] ) ? $_POST['menu-item-acf'] : array();
$lists = isset( $_POST['_acf_fields'] ) && is_array( $_POST['_acf_fields'] ) ? wp_unslash( $_POST['_acf_fields'] ) : array();
$items = array();
// phpcs:enable WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
// The menu item location rule reads the menu being edited from this data, as while the menu editor renders.
$previous_menu_id = acf_get_data( 'nav_menu_id' );
acf_set_data( 'nav_menu_id', $menu_id );
try {
foreach ( $this->get_nav_menu_item_ids( $submitted ) as $item_id ) {
$screen = $this->get_nav_menu_item_screen( $item_id );
// Only save to IDs that are menu items.
if ( ! $screen ) {
continue;
}
$items[ $item_id ] = acf_filter_save_values(
$submitted[ $item_id ],
array(
'context' => 'nav_menu_item',
'post_id' => $item_id,
'render_ids' => array( $item_id ),
'lists' => $lists,
'screen' => $screen,
)
);
}
} finally {
acf_set_data( 'nav_menu_id', $previous_menu_id );
}
$_POST['menu-item-acf'] = $items;
}
/**
* Returns the menu item IDs among the keys of submitted menu item values, and primes their caches.
*
* update_nav_menu_items() saves to the submitted keys, so only keys that are item IDs are returned.
*
* @since 6.8.11
*
* @param array $submitted The submitted menu item values, keyed by item ID.
* @return integer[]
*/
private function get_nav_menu_item_ids( $submitted ) {
$item_ids = array_values(
array_filter(
array_keys( $submitted ),
function ( $item_id ) {
return is_int( $item_id ) && $item_id > 0;
}
)
);
_prime_post_caches( $item_ids, false, true );
return $item_ids;
}
/**
* Returns the location screen args a menu item is rendered with, or false if the ID isn't a menu item.
*
* As in wp_nav_menu_item_custom_fields(), the menu isn't part of the screen: the menu item rule reads
* it from the `nav_menu_id` data, so rules for the menu itself don't match its items.
*
* @since 6.8.11
*
* @param integer $item_id The menu item ID.
* @return array|false
*/
private function get_nav_menu_item_screen( $item_id ) {
if ( ! $item_id || get_post_type( $item_id ) !== 'nav_menu_item' ) {
return false;
}
// Walk up the item's parents to find its depth, as the menu editor's walker does.
$depth = 0;
$seen = array( $item_id => true );
$parent = (int) get_post_meta( $item_id, '_menu_item_menu_item_parent', true );
while ( $parent && ! isset( $seen[ $parent ] ) ) {
$seen[ $parent ] = true;
++$depth;
$parent = (int) get_post_meta( $parent, '_menu_item_menu_item_parent', true );
}
return array(
'nav_menu_item' => (string) get_post_meta( $item_id, '_menu_item_type', true ),
'nav_menu_item_id' => $item_id,
'nav_menu_item_depth' => $depth,
);
}
/**
* description
*
* @type function
* @date 26/5/17
* @since 5.6.0
*
* @param $post_id (int)
* @return $post_id (int)
*/
function update_nav_menu_items( $menu_id ) {
// phpcs:disable WordPress.Security.NonceVerification.Missing -- Verified elsewhere.
if ( empty( $_POST['menu-item-acf'] ) ) {
return;
}
$posted_values = acf_sanitize_request_args( $_POST['menu-item-acf'] );
foreach ( $posted_values as $post_id => $values ) {
acf_save_post( $post_id, $values );
}
// phpcs:enable WordPress.Security.NonceVerification.Missing
}
/**
* wp_get_nav_menu_items
*
* WordPress does not provide an easy way to find the current menu being edited.
* This function listens to when a menu's items are loaded and stores the menu.
* Needed on nav-menus.php page for new menu with no items
*
* @date 23/2/18
* @since 5.6.9
*
* @param type $var Description. Default.
* @return type Description.
*/
function wp_get_nav_menu_items( $items, $menu, $args ) {
acf_set_data( 'nav_menu_id', $menu->term_id );
return $items;
}
/**
* Called when WP renders a menu edit form.
* Used to set global data and customize the Walker class.
*
* @date 26/5/17
* @since 5.6.0
*
* @param string $class The walker class to use. Default 'Walker_Nav_Menu_Edit'.
* @param integer $menu_id ID of the menu being rendered.
* @return string
*/
function wp_edit_nav_menu_walker( $class, $menu_id = 0 ) {
// update data (needed for ajax location rules to work)
acf_set_data( 'nav_menu_id', $menu_id );
// Return class.
return $class;
}
/**
* This function will loop over $_POST data and validate
*
* @type action 'acf/validate_save_post' 5
* @date 7/09/2016
* @since 5.4.0
*
* @param n/a
* @return n/a
*/
function acf_validate_save_post() {
// phpcs:disable WordPress.Security.NonceVerification.Missing -- Verified elsewhere.
if ( empty( $_POST['menu-item-acf'] ) ) {
return;
}
$posted_values = acf_sanitize_request_args( $_POST['menu-item-acf'] );
foreach ( $posted_values as $post_id => $values ) {
// vars
$prefix = 'menu-item-acf[' . $post_id . ']';
// validate
acf_validate_values( $values, $prefix );
}
// phpcs:enable // phpcs:disable WordPress.Security.NonceVerification.Missing
}
/**
* This function will add some custom HTML to the footer of the edit page
*
* @type function
* @date 11/06/2014
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function admin_footer() {
// vars
$nav_menu_id = acf_get_data( 'nav_menu_id' );
$post_id = 'term_' . $nav_menu_id;
// get field groups
$field_groups = acf_get_field_groups(
array(
'nav_menu' => $nav_menu_id,
)
);
?>