isExpanded method

bool isExpanded(TreeViewNode<Object?> node)

Whether the given TreeViewNode built with this controller is in an expanded state.

See also:

• expandNode, which expands a given TreeViewNode.
• collapseNode, which collapses a given TreeViewNode.
• TreeView.controller to create an TreeView with a controller.

Implementation

bool isExpanded(TreeViewNode<Object?> node) {
  assert(_state != null);
  return _state!.isExpanded(node);
}