selectAll method

void selectAll({
  1. bool selected = true,
})

选中所有 node, selected, 是否选中

Implementation

void selectAll({bool selected = true}) {
  assert(_isInitialized);
  if (_nodes != null) {
    List<EasyTreeNode<E>> result =
        _nodes!.where((element) => element.level == 0).toList();
    for (EasyTreeNode<E> node in result) {
      this.select(node, selected: selected, selectAll: true);
    }
    _updateSelectedNodes();
  }
}