@Override
protected void componentClosed() {
super.componentClosed();
// Clear the tree to release resources.
buildRoot(Children.LEAF);
// Stop listening to everything that affects our tree.
SessionManager sm = SessionProvider.getSessionManager();
sm.removeSessionManagerListener(this);
Iterator<Session> iter = sm.iterateSessions();
while (iter.hasNext()) {
Session session = iter.next();
PathManager pm = PathProvider.getPathManager(session);
pm.removePropertyChangeListener(this);
}
}
