public LookAndFeelMenuItem(ViewContext viewContext, String label, final String lafClass) {
super(label);
setActionCommand(lafClass);
addActionListener(new ChangeLookAndFeelAction(viewContext, lafClass));
setEnabled(isAvailableLookAndFeel(lafClass));
viewContext.addViewContextChangeListener(UIManager.class, new ViewContextChangeListener() {
public void contextChange(ViewContextChangeEvent evt) {
String laf = (String) evt.getNewValue();