WP_List_Table::__construct( array|string $args = array() )

150	public function __construct( $args = array() ) {151		$args = wp_parse_args(152			$args,153			array(154				'plural'   => '',155				'singular' => '',156				'ajax'     => false,157				'screen'   => null,158			)159		);160 161		$this->screen = convert_to_screen( $args['screen'] );162 163		add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 );164 165		if ( ! $args['plural'] ) {166			$args['plural'] = $this->screen->base;167		}168 169		$args['plural']   = sanitize_key( $args['plural'] );170		$args['singular'] = sanitize_key( $args['singular'] );171 172		$this->_args = $args;173 174		if ( $args['ajax'] ) {175			// wp_enqueue_script( 'list-table' );176			add_action( 'admin_footer', array( $this, '_js_vars' ) );177		}178 179		if ( empty( $this->modes ) ) {180			$this->modes = array(181				'list'    => __( 'Compact view' ),182				'excerpt' => __( 'Extended view' ),183			);184		}185	}