private static @NonNls String getNodePathString(final MyNode node) {
    @NonNls StringBuilder path = new StringBuilder();
    MyNode current = node;
    while (current != null) {
      final Object userObject = current.getUserObject();
      if (!(userObject instanceof NamedConfigurable)) break;
      final String displayName = current.getDisplayName();
      if (StringUtil.isEmptyOrSpaces(displayName)) break;
      if (path.length() > 0) {
        path.append('|');
      }
      path.append(displayName);

      final TreeNode parent = current.getParent();
      if (!(parent instanceof MyNode)) break;
      current = (MyNode)parent;
    }
    return path.toString();
  }
private static @NonNls String getNodePathString(final MyNode node)