private Type GetTypeFromInfoField(DRM.PropBagControlsWPF.TypeInfoField tif, PropKindEnum propKind,
Type propertyType, out Type itemType)
{
itemType = null;
switch (propKind)
{
case PropKindEnum.Prop:
itemType = null;
return(propertyType);
case PropKindEnum.CollectionView:
itemType = propertyType;
Type pType = typeof(ListCollectionView); // typeof(ICollectionView);
return(pType);
case PropKindEnum.Enumerable_RO:
goto case PropKindEnum.ObservableCollection;
case PropKindEnum.Enumerable:
goto case PropKindEnum.ObservableCollection;
case PropKindEnum.EnumerableTyped_RO:
goto case PropKindEnum.ObservableCollection;
case PropKindEnum.EnumerableTyped:
goto case PropKindEnum.ObservableCollection;
case PropKindEnum.ObservableCollection_RO:
goto case PropKindEnum.ObservableCollection;
case PropKindEnum.ObservableCollection:
return(GetTypeFromCollInfoField(tif, propertyType, out itemType));
case PropKindEnum.CollectionViewSource_RO:
goto case PropKindEnum.CollectionViewSource;
case PropKindEnum.CollectionViewSource:
Type result = typeof(CollectionViewSource);
itemType = propertyType;
return(result);
case PropKindEnum.DataTable_RO:
goto case PropKindEnum.DataTable;
case PropKindEnum.DataTable:
itemType = null;
return(typeof(DataTable));
default:
throw new InvalidOperationException($"PropKind = {propKind} is not recognized or is not supported.");
}
}
private Type GetObsCollectionType(DRM.PropBagControlsWPF.TypeInfoField tif, out Type itemType, Func <Type, Type> typeGetter)
{
// Consider using the MemberType property of the "root" TypeInfoField itself.
TypeInfoCollection tps;
DRM.PropBagControlsWPF.TypeInfoField child;
// Use our type parameter arguments 1-3
if (tif.TypeParameter1 != null)
{
itemType = tif.TypeParameter1;
return(GetObservableCollType(itemType));
}
// Use our child Type Parameters
else if (tif.TypeParameters != null && tif.TypeParameters.Count > 0)
{
child = tif.TypeParameters[0];
itemType = child.MemberType;
return(typeGetter(itemType)); // GetObservableCollType(itemType);
}
// Use a child control of type TypeInfoCollection
else if (null != (tps = tif.Items.OfType <TypeInfoCollection>().FirstOrDefault()))
{
if (tps.Count > 0)
{
child = tps[0];
itemType = child.MemberType;
return(GetObservableCollType(itemType));
}
}
// Use a child control of type TypeInfoField
else if (null != (child = tif.Items.OfType <DRM.PropBagControlsWPF.TypeInfoField>().FirstOrDefault()))
{
itemType = child.MemberType;
return(GetObservableCollType(itemType));
}
throw new ArgumentException("Cannot find a PropTypeInfoField for this collection.");
}
private Type GetTypeFromCollInfoField(DRM.PropBagControlsWPF.TypeInfoField tif, Type propertyType, out Type itemType)
{
WellKnownCollectionTypeEnum collectionType = tif?.CollectionType ?? WellKnownCollectionTypeEnum.ObservableCollection;
switch (collectionType)
{
case WellKnownCollectionTypeEnum.ObservableCollection:
{
Type cType;
if (tif == null)
{
itemType = propertyType;
cType = GetObservableCollType(itemType);
}
else
{
cType = GetObsCollectionType(tif, out itemType, GetObservableCollType);
}
return(cType);
}
// Not Yet Supported
//case WellKnownCollectionTypeEnum.TypedEnumerable:
// {
// break;
// }
case WellKnownCollectionTypeEnum.Enumerable:
{
goto case WellKnownCollectionTypeEnum.ObservableCollection;
}
default:
{
throw new InvalidOperationException($"CollectionType = {collectionType} is not recognized or is not supported.");
}
}
}
private DRM.PropBagControlsWPF.TypeInfoField GetWrapperTypeInfo(PropBagTemplate pbt)
{
DRM.PropBagControlsWPF.TypeInfoField ptif = pbt.Items.OfType <DRM.PropBagControlsWPF.TypeInfoField>().FirstOrDefault();
return(ptif);
}
