final Combobox comboLabels = createComboboxLabels(selectedLabelType,
workReportLabelTypeAssigment);
comboLabels.setParent(row);
comboLabels.addEventListener(Events.ON_CHANGE, new EventListener() {
@Override
public void onEvent(Event event) {
changeLabel(comboLabels.getSelectedItem(),
workReportLabelTypeAssigment);
Util.reloadBindings(listWorkReportLabelTypeAssigments);