protected void updateControls() {
super.updateControls();
// Update the hierarchy picker for the new editor.
HierarchyCache<NodeDisplayProperty> hierarchies = getEditor().getHierarchies();
RelationshipSet selectedRelSet = getEditor().getContainerRelSet();
List<RelSetDescriptor> choices = getEditor().getRelSetChoices();
hierarchyPicker.setInput(hierarchies, selectedRelSet, choices );
}