[radioButtons selectCellAtRow:2 column:0];
NSMenuItem *item = [mappingPopup itemWithRepresentedObject:[(NJOutputMapping *)output mapping]];
[mappingPopup selectItem:item];
[radioButtons selectCellAtRow:2 column:0];
NSMenuItem *item = [mappingPopup itemWithRepresentedObject:[(NJOutputMapping *)output mapping]];
[mappingPopup selectItem:item];