showFilters method

Implementation

void showFilters() {
  if (_state != null && !_state!._filtersShown) {
    _state!._filtersShown = true;
    var scaffoldState = _state!._scaffoldState.currentState!;
    scaffoldState.openEndDrawer();
    _state?.router?.toggleState('show_filters', _state!._filtersShown);
  }
}