isTreeExpanded property

bool get isTreeExpanded

Whether all nodes in the tree are expanded.

Implementation

bool get isTreeExpanded {
  bool allNodesExpanded = false;
  breadthFirstSearch(
    returnCondition: (T node) {
      final bool isExpanded = getExpansionState(node);
      allNodesExpanded = isExpanded;
      return !isExpanded;
    },
  );
  return allNodesExpanded;
}