protected function setup_screens() {
		foreach ( (array) $this->params['screens'] as $context => $screen ) {
			if ( empty( $screen['slug'] ) ) {
				$screen['slug'] = $this->slug;
			}

			if ( empty( $screen['name'] ) ) {
				$screen['name'] = $this->name;
			}

			$this->screens[ $context ] = $screen;
		}
	}