clear method

void clear()

Clears all items and resets state.

Implementation

void clear() {
  _itemsMap.clear();
  if (_useLocalPaginationItems) {
    _localPaginationItems.clear();
  }

  updateState(
    who: 'clear',
    displayItems: const [],
    totalItems: 0,
    selectedKeys: createEmptyKeySet(),
    expandedKeys: createEmptyKeySet(),
    page: 1,
  );
}