WP_Widget_Text::_register_one( int $number = -1 )

52	public function _register_one( $number = -1 ) {53		parent::_register_one( $number );54		if ( $this->registered ) {55			return;56		}57		$this->registered = true;58 59		if ( $this->is_preview() ) {60			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );61		}62 63		/*64		 * Note that the widgets component in the customizer will also do65		 * the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().66		 */67		add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );68 69		/*70		 * Note that the widgets component in the customizer will also do71		 * the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().72		 */73		add_action( 'admin_footer-widgets.php', array( 'WP_Widget_Text', 'render_control_template_scripts' ) );74	}