/**
  * Resets sorting for this list.
  *
  * If we have setting resetToDefaultSortingOnSubmit = 1 within FILTERBOX setting
  * we reset to default, otherwise we reset completely.
  *
  */
 protected function resetSorter()
 {
     // TODO put this into abstract controller
     if ($this->filterbox->getFilterboxConfiguration()->getResetToDefaultSortingOnSubmit()) {
         $this->dataBackend->getSorter()->resetToDefault();
     } else {
         $this->dataBackend->getSorter()->reset();
     }
     // TODO add method to data backend that resets sorting and resets cache!
     $this->dataBackend->resetListDataCache();
 }