public function relationRefresh($field = null)
    {
        $field = $this->validateField($field);

        $result = ['#'.$this->relationGetId('view') => $this->relationRenderView($field)];
        if ($toolbar = $this->relationRenderToolbar($field)) {
            $result['#'.$this->relationGetId('toolbar')] = $toolbar;
        }

        if ($eventResult = $this->controller->relationExtendRefreshResults($field)) {
            $result = $eventResult + $result;
        }

        return $result;
    }