public PropModelType ParsePropModel(IPropBagTemplate pbt)
{
if (pbt.ClassName == "PersonCollectionViewModel")
{
System.Diagnostics.Debug.WriteLine($"We are processing the {nameof(pbt.ClassName)} PropItem.");
}
//DeriveFromClassModeEnum deriveFrom = pbt.DeriveFromClassMode;
//Type targetType = pbt.TargetType;
//TypeInfoField wrapperTypeInfoField = GetWrapperTypeInfo(pbt);
//Type targetTypeFromWTInfoField = GetTypeFromInfoField(wrapperTypeInfoField, PropKindEnum.Prop, targetType, out Type itemTypeDummy);
PropModelType result = new PropModel
(
className: pbt.ClassName,
namespaceName: pbt.OutPutNameSpace,
deriveFrom: pbt.DeriveFromClassMode,
targetType: pbt.TargetType,
propFactory: null,
propFactoryType: pbt.PropFactoryType,
propModelCache: null,
typeSafetyMode: pbt.TypeSafetyMode,
deferMethodRefResolution: pbt.DeferMethodRefResolution,
requireExplicitInitialValue: pbt.RequireExplicitInitialValue
);
// Add Namespaces
int namespacesCount = pbt.Namespaces == null ? 0 : pbt.Namespaces.Count;
for (int nsPtr = 0; nsPtr < namespacesCount; nsPtr++)
{
result.Namespaces.Add(pbt.Namespaces[nsPtr].Namespace);
}
DoWhenChangedHelper doWhenChangedHelper = new DoWhenChangedHelper();
int propsCount = pbt.Props == null ? 0 : pbt.Props.Count;
// Parse each Prop Item
for (int propPtr = 0; propPtr < propsCount; propPtr++)
{
IPropTemplateItem pi = pbt.Props[propPtr];
try
{
IPropItemModel rpi = ProcessProp(pi, doWhenChangedHelper);
result.Add(rpi.PropertyName, rpi);
}
catch (Exception e)
{
throw new InvalidOperationException($"Error: {e.Message} occured while parsing PropItem: {pi.PropertyName} for class: {pbt.ClassName}.", e);
}
}
return(result);
}
private IPropItemModel ProcessProp(IPropTemplateItem pi, DoWhenChangedHelper doWhenChangedHelper)
{
PropStorageStrategyEnum storageStrategy = pi.StorageStrategy;
bool typeIsSolid = pi.TypeIsSolid;
string extraInfo = pi.ExtraInfo;
IPropItemModel rpi = new PropItemModel
(
type: pi.PropertyType,
name: pi.PropertyName,
storageStrategy: storageStrategy,
typeIsSolid: typeIsSolid,
propKind: pi.PropKind,
propTypeInfoField: null,
initialValueField: null,
extraInfo: extraInfo,
comparer: null,
itemType: null,
binderField: null,
mapperRequest: null,
propCreator: null
);
bool isCProp = pi.PropKind.IsCollection();
bool foundTypeInfoField = false;
ItemCollection items = ((PropItem)pi).Items;
foreach (Control uc in items)
{
// ToDo: Find and process this field first, and then enter the enclosing foreach loop.
// because one day, some of the other processing may depend on the PropertyType.
// Type Info Field
if (uc is DRM.PropBagControlsWPF.TypeInfoField tif)
{
foundTypeInfoField = true;
Type propertyType = GetTypeFromInfoField(tif, pi.PropKind, pi.PropertyType, out Type itemType);
if (isCProp)
{
rpi.CollectionType = propertyType;
rpi.ItemType = itemType;
}
else
{
rpi.PropertyType = propertyType;
rpi.ItemType = null;
}
}
// Initial Value Field
else if (uc is InitialValueField ivf)
{
IPropInitialValueField rivf;
// TODO: Add error handling here.
if (ivf.PropBagFullClassName != null)
{
rivf = PropInitialValueField.FromPropBagFCN(ivf.PropBagFullClassName);
}
else if (ivf.CreateNew)
{
rivf = PropInitialValueField.UseCreateNew;
}
else
{
rivf = new PropInitialValueField(ivf.InitialValue, ivf.SetToDefault, ivf.SetToUndefined,
ivf.SetToNull, ivf.SetToEmptyString);
}
rpi.InitialValueField = rivf;
}
// Do When Changed Field
else if (uc is DRM.PropBagControlsWPF.PropDoWhenChangedField dwc)
{
MethodInfo mi = doWhenChangedHelper.GetMethodAndSubKind(dwc, rpi.PropertyType, rpi.PropertyName, out SubscriptionKind subscriptionKind);
SubscriptionPriorityGroup priorityGroup = dwc?.DoAfterNotify ?? false ? SubscriptionPriorityGroup.Last : SubscriptionPriorityGroup.Standard;
IPropDoWhenChangedField rdwc = new DRM.PropBag.PropDoWhenChangedField
(
target: null, method: mi,
subscriptionKind: subscriptionKind, priorityGroup: priorityGroup,
methodIsLocal: true, declaringType: null,
fullClassName: null, instanceKey: null
);
rpi.DoWhenChangedField = rdwc;
}
// Comparer Field
else if (uc is DRM.PropBagControlsWPF.PropComparerField pcf)
{
IPropComparerField rpcf = new PropBag.PropComparerField(pcf.ComparerFunc.Comparer, pcf.UseRefEquality);
rpi.ComparerField = rpcf;
}
// Local Binder Field
else if (uc is DRM.PropBagControlsWPF.PropBinderField binderField)
{
IPropBinderField rBinderField = new PropBag.PropBinderField(binderField.Path);
rpi.BinderField = rBinderField;
rpi.MapperRequestResourceKey = binderField.MapperRequestResourceKey;
}
}
if (!foundTypeInfoField)
{
if (isCProp)
{
Type propertyType = GetTypeFromInfoField(null, pi.PropKind, pi.PropertyType, out Type itemType);
rpi.CollectionType = propertyType;
rpi.ItemType = itemType;
}
else if (pi.PropKind == PropKindEnum.CollectionView)
{
rpi.PropertyType = typeof(ListCollectionView);
rpi.CollectionType = rpi.PropertyType;
rpi.ItemType = pi.PropertyType;
}
else
{
// TODO: Check other PropKinds.
// Do Nothing.
}
}
return(rpi);
}
