protected function _getSelect()
    {
        $ret = parent::_getSelect();
        $componentId = $this->_getParam('componentId');
        $component = Kwf_Component_Data_Root::getInstance()->getComponentByDbId($componentId, array('ignoreVisible' => true));
        if (isset($component->parent->chained)) {
            $component = $component->parent->chained;
        }
        $dbIds = array($component->dbId);
        foreach (Kwc_Chained_Abstract_Component::getAllChainedByMaster($component, 'Trl') as $c) {
            $dbIds[] = $c->dbId;
        }
        $ret->whereEquals('component_id', $dbIds);
        return $ret;
    }