{
if (isShowNoSelectionLabel())
{
NullableSelectItem s = new NullableSelectItem(NO_SELECTION_VALUE, getNoSelectionLabel());
ConverterChain converterChain = new ConverterChain(this.getParent());
Converter noSelectionConverter = new NoSelectionConverter();
// Make sure that the converter is only added once
if (!converterChain.containsConverterType(noSelectionConverter)) {
converterChain.addConverterToChain(noSelectionConverter, ConverterChain.CHAIN_START);
}
return s;