protected override IReadOnlyObservableList <CompoundObjectViewModel> GetValueFromModel()
{
if (_valueCache == null)
{
_valueCache = new ReadOnlyObservableProjectedList <ICompoundObject, CompoundObjectViewModel>(
ValueModel, ValueModel.Value,
obj => CompoundObjectViewModel.Fetch(ViewModelFactory, DataContext, this, obj),
mdl => mdl.Object);
//_valueCache.CollectionChanged += ValueListChanged;
}
return(_valueCache);
}
protected void EnsureValueCache()
{
if (_wrapper == null)
{
_wrapper = new SortedWrapper(ObjectCollectionModel.UnderlyingCollection, ObjectCollectionModel, InitialSortProperty);
_valueCache = new ReadOnlyObservableProjectedList <IDataObject, DataObjectViewModel>(
_wrapper,
obj => DataObjectViewModel.Fetch(ViewModelFactory, DataContext, ViewModelFactory.GetWorkspace(DataContext), obj),
mdl => mdl.Object);
_valueCache.CollectionChanged += ValueListChanged;
}
}
