return null;
if (dirty) update();   int row = y / rowHeight; if (row < 0) row = 0; if (row > getRowCount()) row = getRowCount() - 1;  if (row < 0) return null;  Object node = row2node.get(new Integer(row)); NodeRecord nr = (NodeRecord) nodes.get(node); return nr.getPath();
	public TreePath getPathClosestTo(int value0, int value1)    throws NotImplementedException	{		return null; // TODO  } 