ProjectionModelNodeAdapterHTML parentAdapter = (ProjectionModelNodeAdapterHTML) parentNotifier
.getExistingAdapter(ProjectionModelNodeAdapterHTML.class);
if (parentAdapter == null) {
// create a new adapter for parent
parentAdapter = new ProjectionModelNodeAdapterHTML(this);
parentNotifier.addAdapter(parentAdapter);
}
// call update on parent because a new node has just been
// added
parentAdapter.updateAdapter(parent);
}