public EditNaturalClassViewModel(FeatureSystem featSys, IEnumerable<SoundClass> soundClasses, NaturalClass naturalClass)
: base("Edit Feature-based Class", soundClasses, naturalClass)
{
_type = naturalClass.Type == CogFeatureSystem.ConsonantType ? SoundType.Consonant : SoundType.Vowel;
_availableFeatures = new BindableList<FeatureViewModel>();
_activeFeatures = new BindableList<FeatureViewModel>();
foreach (SymbolicFeature feature in featSys.OfType<SymbolicFeature>())
{
SymbolicFeatureValue sfv;
if (naturalClass.FeatureStruct.TryGetValue(feature, out sfv))
_activeFeatures.Add(new FeatureViewModel(feature, (FeatureSymbol) sfv));
else
_availableFeatures.Add(new FeatureViewModel(feature));
}
_addCommand = new RelayCommand(AddFeature, CanAddFeature);
_removeCommand = new RelayCommand(RemoveFeature, CanRemoveFeature);
}
public void Migrate(SegmentPool segmentPool, CogProject project)
{
// add prenasal superscript for n
project.Segmenter.Consonants.AddSymbolBasedOn("ⁿ", "n");
foreach (KeyValuePair<string, IProcessor<Variety>> kvp in project.VarietyProcessors.Where(kvp => kvp.Value is SspSyllabifier).ToArray())
{
var syllabifier = (SspSyllabifier) kvp.Value;
SonorityClass[] scale = syllabifier.SonorityScale.OrderBy(sc => sc.Sonority).ThenBy(sc => sc.SoundClass.Name).ToArray();
// if the user has changed the sonority scale preserve their changes and do not update
if (HasSonorityScaleChanged(project, scale))
continue;
// add prenasal sonority class
var newScale = new List<SonorityClass> {new SonorityClass(1, new UnnaturalClass("Prenasal", new[] {"ᵐ", "ⁿ", "ᵑ"}, false, project.Segmenter))};
foreach (SonorityClass sc in scale)
{
SoundClass newClass;
switch (sc.SoundClass.Name)
{
case "Glide":
// correct the ignore modifiers flag on the "Glide" class
newClass = new UnnaturalClass("Glide", new[] {"j", "ɥ", "ɰ", "w"}, true, project.Segmenter);
break;
case "Open vowel":
// correct the height feature value on the "Open vowel" class
newClass = new NaturalClass("Open vowel", FeatureStruct.New(project.FeatureSystem).Symbol(CogFeatureSystem.VowelType).Symbol("syllabic+").Symbol("open").Value);
break;
default:
newClass = sc.SoundClass;
break;
}
// increment sonority for all existing classes
newScale.Add(new SonorityClass(sc.Sonority + 1, newClass));
}
project.VarietyProcessors[kvp.Key] = new SspSyllabifier(syllabifier.CombineVowels, syllabifier.CombineConsonants, syllabifier.VowelsSameSonorityTautosyllabic,
segmentPool, newScale);
}
}
