public void processAction(ActionEvent event) throws AbortProcessingException {
log.debug("TreeHandler::processAction()");
UIComponent component = (UIComponent) event.getSource();
while (!(component != null && component instanceof HtmlTree)) {
component = component.getParent();
}
if (component != null) {
HtmlTree tree = (HtmlTree) component;
tree.setNodeSelected(event);
}
}