private Button editResourceAllocationButton(final LimitingResourceQueueElementDTO element) {
Button result = new Button("", "/common/img/ico_editar1.png");
result.setHoverImage("/common/img/ico_editar.png");
result.setSclass("icono");
result.setTooltiptext(_("Edit queue-based resource element"));
result.addEventListener(Events.ON_CLICK, new EventListener() {
@Override
public void onEvent(Event event) {
LimitingResourceQueueElement queueElement = element.getOriginal();