execOwnerValueChanged(Object newOwnerValue)

          public class MenuAMenu extends AbstractExtensibleMenu {

            @Override
            protected String getConfiguredText() {
              return TEXTS.get("MenuA");
            }

            @Override
            protected void execOwnerValueChanged(Object newOwnerValue) throws ProcessingException {
              super.execOwnerValueChanged(newOwnerValue);
              if (getTree().getSelectedNode().getCell().getText().contains("Node 2")) {
                setVisible(false);
              }
              else {
                setVisible(true);
              }
            }
          }