protected override CachedDataAnnotationsModelMetadata CreateMetadataPrototype(IEnumerable <object> attributes, Type containerType, Type modelType, string propertyName)
{
var realTypeMetadata = base.CreateMetadataPrototype(attributes, containerType, modelType, propertyName);
var buddyType = BuddyTypeAttribute.GetBuddyType(modelType);
if (buddyType != null)
{
var buddyMetadata = base.CreateMetadataPrototype(attributes, containerType, buddyType, propertyName);
foreach (var realProperty in realTypeMetadata.Properties)
{
var buddyProperty = buddyMetadata.Properties.SingleOrDefault(bp => string.Equals(bp.PropertyName, realProperty.PropertyName, StringComparison.Ordinal));
if (buddyProperty != null)
{
// TODO: Only overwrite if the real type doesn't explicitly set it
realProperty.IsReadOnly = buddyProperty.IsReadOnly;
realProperty.IsRequired = buddyProperty.IsRequired;
realProperty.DisplayName = buddyProperty.DisplayName;
realProperty.DisplayFormatString = buddyProperty.DisplayFormatString;
realProperty.SimpleDisplayText = buddyProperty.SimpleDisplayText;
realProperty.DataTypeName = buddyProperty.DataTypeName;
realProperty.Description = buddyProperty.Description;
realProperty.EditFormatString = buddyProperty.EditFormatString;
realProperty.NullDisplayText = buddyProperty.NullDisplayText;
realProperty.ShowForDisplay = buddyProperty.ShowForDisplay;
realProperty.ShowForEdit = buddyProperty.ShowForEdit;
realProperty.TemplateHint = buddyProperty.TemplateHint;
}
}
}
return(realTypeMetadata);
}
protected override IEnumerable <IModelValidator> GetValidators(ModelMetadata metadata, IEnumerable <object> attributes)
{
var buddyType = BuddyTypeAttribute.GetBuddyType(metadata.ContainerType ?? metadata.ModelType);
if (buddyType != null)
{
var buddyProperty = buddyType.GetTypeInfo().GetDeclaredProperty(metadata.PropertyName);
if (buddyProperty != null)
{
var buddyTypeAttributes = buddyProperty.GetCustomAttributes();
// TODO: De-dupe?
attributes = attributes.Concat(buddyTypeAttributes);
return(base.GetValidators(metadata, attributes));
}
}
return(Enumerable.Empty <IModelValidator>());
}
