public void expandNode(@NotNull final TreeNode treeNode) {
    final TreeNode[] pathToNode = ((RepositoryTreeModel)myRepositoryTree.getModel()).getPathToRoot(treeNode);

    if ((pathToNode != null) && (pathToNode.length > 0)) {
      final TreePath treePath = new TreePath(pathToNode);
      myRepositoryTree.expandPath(treePath);
    }
  }
public void expandNode(@NotNull final TreeNode treeNode)