Filter Simple Page Ordering to exclude Pages but include custom post types that are hierarchical but don't have page attributes

/**
 * Filter Simple Page Ordering to exclude Pages but include custom post types that are hierarchical but don't have page attributes
 *
 * @link http://blackhillswebworks.com/?p=5017
 */

	add_filter( 'simple_page_ordering_is_sortable', 'bhww_turn_off_simple_page_ordering_for_pages' );
	
	function bhww_turn_off_simple_page_ordering_for_pages( $sortable ) {
	
		$screen = get_current_screen();
		$post_type = $screen->post_type;
		
		$sortable = ( ! post_type_supports( $post_type, 'page-attributes' ) && is_post_type_hierarchical( $post_type ) );
		return $sortable;
		
	}