PresentationModel presentationModel) {
ProductAreaGroup productAreaGroup = (ProductAreaGroup) Util
.showOptionsDialogCombo(window, Util.getProductAreaGroupList(),
"Velg produktomr�de", true, null);
if (productAreaGroup != null) {
ProductionUnitProductAreaGroup group = new ProductionUnitProductAreaGroup();
group.setProductAreaGroup(productAreaGroup);
group.setProductionUnit(((ProductionUnitModel) presentationModel
.getBean()).getObject());
List<ProductionUnitProductAreaGroup> list = new ArrayList<ProductionUnitProductAreaGroup>(
(List<ProductionUnitProductAreaGroup>) presentationModel
.getBufferedValue(ProductionUnitModel.PROPERTY_PRODUCTION_UNIT_PRODUCT_AREA_GROUP_LIST));