current-post-parent-macro

add_filter( 'jet-engine/listings/macros-list', 'register_current_post_parent_macro' );

        function register_current_post_parent_macro( $macros_list ) {

                $macros_list['current_post_parent'] = array(
                        'label' => 'Current post parent (current post ID if no parent)',
                        'cb'    => '_get_current_post_parent',
                        );
                
                return $macros_list;

        }

function _get_current_post_parent( $field_value = null, $args = null ) {
        
  $current_object = jet_engine()->listings->data->get_current_object();
	
	$class = get_class( $current_object );
	
	$result = 'not a post';
	
	if ( 'WP_Post' == $class ) {
		
		if ( $current_object->post_parent ) {
			$result = $current_object->post_parent;
		} else {
			$result = $current_object->ID;
		}
		
	}
	
    return $result;
    
}