WP_Customize_Nav_Menus

19#[AllowDynamicProperties]20final class WP_Customize_Nav_Menus {21 22	/**23	 * WP_Customize_Manager instance.24	 *25	 * @since 4.3.026	 * @var WP_Customize_Manager27	 */28	public $manager;29 30	/**31	 * Original nav menu locations before the theme was switched.32	 *33	 * @since 4.9.034	 * @var array35	 */36	protected $original_nav_menu_locations;37 38	/**39	 * Constructor.40	 *41	 * @since 4.3.042	 *43	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.44	 */45	public function __construct( $manager ) {46		$this->manager                     = $manager;47		$this->original_nav_menu_locations = get_nav_menu_locations();48 49		// See https://github.com/xwp/wp-customize-snapshots/blob/962586659688a5b1fd9ae93618b7ce2d4e7a421c/php/class-customize-snapshot-manager.php#L469-L49950		add_action( 'customize_register', array( $this, 'customize_register' ), 11 );51		add_filter( 'customize_dynamic_setting_args', array( $this, 'filter_dynamic_setting_args' ), 10, 2 );52		add_filter( 'customize_dynamic_setting_class', array( $this, 'filter_dynamic_setting_class' ), 10, 3 );53		add_action( 'customize_save_nav_menus_created_posts', array( $this, 'save_nav_menus_created_posts' ) );54 55		// Skip remaining hooks when the user can't manage nav menus anyway.56		if ( ! current_user_can( 'edit_theme_options' ) ) {57			return;58		}59 60		add_filter( 'customize_refresh_nonces', array( $this, 'filter_nonces' ) );61		add_action( 'wp_ajax_load-available-menu-items-customizer', array( $this, 'ajax_load_available_items' ) );62		add_action( 'wp_ajax_search-available-menu-items-customizer', array( $this, 'ajax_search_available_items' ) );63		add_action( 'wp_ajax_customize-nav-menus-insert-auto-draft', array( $this, 'ajax_insert_auto_draft_post' ) );64		add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_scripts' ) );65		add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_templates' ) );66		add_action( 'customize_controls_print_footer_scripts', array( $this, 'available_items_template' ) );67		add_action( 'customize_preview_init', array( $this, 'customize_preview_init' ) );68		add_action( 'customize_preview_init', array( $this, 'make_auto_draft_status_previewable' ) );69 70		// Selective Refresh partials.71		add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 );72	}73 74	/**75	 * Adds a nonce for customizing menus.76	 *77	 * @since 4.5.078	 *79	 * @param string[] $nonces Array of nonces.80	 * @return string[] Modified array of nonces.81	 */82	public function filter_nonces( $nonces ) {83		$nonces['customize-menus'] = wp_create_nonce( 'customize-menus' );84		return $nonces;85	}86 87	/**88	 * Ajax handler for loading available menu items.89	 *90	 * @since 4.3.091	 */92	public function ajax_load_available_items() {93		check_ajax_referer( 'customize-menus', 'customize-menus-nonce' );94 95		if ( ! current_user_can( 'edit_theme_options' ) ) {96			wp_die( -1 );97		}98