index property

int get index

Implementation

int get index {
  if (_index != min) {
    return _index;
  }
  if (parent == null) {
    _index = -1;
  } else if (!parent!.treeNode.expanded) {
    _index = -1;
  } else {
    var indexOf = parent!.childControllers.indexOf(this);
    if (indexOf != 0) {
      var controller = parent!.childControllers[indexOf - 1];
      _index = controller.lastVisibleDescendatIndex + 1;
    } else {
      _index = parent!.index + 1;
    }
  }
  return _index;
}