addListener = new Listener<BaseEvent>() {
@Override
public void handleEvent(BaseEvent be) {
if (isUpdate || isDelete || isAdded) {
MessageBox box = new MessageBox();
box.alert("", "Il faut valider d'abord", null);
}
}
};
cbbChantier.addListener(Events.OnClick, addListener);
cbbChantier.addSelectionChangedListener(new SelectionChangedListener<ChantierModel>() {