});
urunModeliFilterCombo.setNullSelectionItemId("Tüm Ürünler");
urunModeliFilterCombo.setInputPrompt("Tüm Ürünler");
urunModeliFilterCombo.setImmediate(true);
urunModeliFilterCombo.addListener(new Property.ValueChangeListener() {
public void valueChange(ValueChangeEvent event) {
IndexedContainer container = (IndexedContainer) table.getContainerDataSource();
String filter = (String) event.getProperty().getValue();
if (filter == null) {