ArrayList nodes = new ArrayList();
DefaultTreeNode rootNode = new DefaultTreeNode(null, nodes);
DefaultTreeModel treeModel = new DefaultTreeModel(rootNode);
int counter = 0;
public void refreshTreeModel() {
rootNode.getChildren().clear();
rootNode.add(new DefaultTreeNode("" + (++counter)));
rootNode.add(new DefaultTreeNode("" + (++counter)));
}
public void rerenderRadioGroup() {
winContent.getChildren().clear();
winContent.getTemplate("radioGroup").create(winContent, null, null, null);
}