deleteButton.setDisabled(isNotUpdate(endDate));
deleteButton.setSclass("icono");
deleteButton.setImage("/common/img/ico_borrar1.png");
deleteButton.setHoverImage("/common/img/ico_borrar.png");
deleteButton.setTooltiptext(_("Delete"));
deleteButton.addEventListener(Events.ON_CLICK, new EventListener() {
@Override
public void onEvent(Event event) {
removeAskedEndDate(endDate);
}
});