private void addListeners() {
if (command instanceof GeneralCommand) {
final GeneralCommand c = (GeneralCommand) command;
c.addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent ev) {
if (ev.getPropertyName().equals(GeneralCommand.PROP_ENABLED)) {
setButtonEnabled(c.isEnabled());
}
}
});
}
}
