internal FunctionalProperty(string name, Type propertyType, Type ownerType, FunctionalPropertyMetadata typeMetadata, ValidateValueCallback validateValueCallback)
{
Name = name;
PropertyType = propertyType;
OwnerType = ownerType;
DefaultMetadata = typeMetadata;
ValidateValueCallback = validateValueCallback;
}
public static FunctionalProperty Register(string name, Type propertyType, Type ownerType, FunctionalPropertyMetadata typeMetadata)
{
return Register(name, propertyType, ownerType, typeMetadata, null);
}
public static FunctionalProperty Register(string name, Type propertyType, Type ownerType, FunctionalPropertyMetadata typeMetadata, ValidateValueCallback validateValueCallback)
{
return FunctionalPropertyManager.Instance.Register(name, propertyType, ownerType, typeMetadata, validateValueCallback);
}
internal FunctionalProperty Register(string name, Type propertyType, Type ownerType, FunctionalPropertyMetadata typeMetadata, ValidateValueCallback validateValueCallback)
{
if (String.IsNullOrEmpty(name))
throw new ArgumentNullException("name", "name is null.");
if (propertyType == null)
throw new ArgumentNullException("propertyType", "propertyType is null.");
if (ownerType == null)
throw new ArgumentNullException("ownerType", "ownerType is null.");
if (FunctionalPropertiesInternal.ContainsKey(ownerType))
{
if (FunctionalPropertiesInternal[ownerType].Any(cur => cur.Name == name))
throw new ArgumentException(String.Format("FunctionalProperty Name '{0}' for OwnerType '{1}' already used.", name, ownerType));
}
if (typeMetadata != null)
{
if (typeMetadata.DefaultValue != null && propertyType.IsAssignableFrom(typeMetadata.DefaultValue.GetType()) == false)
throw new ArgumentException(String.Format("Default value type does not match type of property '{0}'.", name));
if (typeMetadata.DefaultValue == null && propertyType.IsValueType)
typeMetadata.DefaultValue = Activator.CreateInstance(propertyType);
if (validateValueCallback != null && validateValueCallback(typeMetadata.DefaultValue) == false)
throw new ArgumentException(String.Format("Default value for '{0}' property is not valid because ValidateValueCallback failed.", name));
}
FunctionalPropertyMetadata actualMetadata = typeMetadata ?? new FunctionalPropertyMetadata(propertyType.IsValueType ? Activator.CreateInstance(propertyType) : null);
FunctionalProperty functionalProperty = new FunctionalProperty(name, propertyType, ownerType, actualMetadata, validateValueCallback);
if (!FunctionalPropertiesInternal.ContainsKey(ownerType))
FunctionalPropertiesInternal[ownerType] = new List<FunctionalProperty>();
FunctionalPropertiesInternal[ownerType].Add(functionalProperty);
return functionalProperty;
}
