private IonType DecideIonType(ComplexFragmentIonName complexFragmentIon)
{
var allIonTypes = complexFragmentIon.EnumerateIonTypes().ToHashSet();
foreach (var ionType in FragmentFilterObj.IonTypesToDisplay.Prepend(IonType.precursor))
{
allIonTypes.Remove(ionType);
if (allIonTypes.Count == 0)
{
return(ionType);
}
}
return(allIonTypes.First());
}
