public IIndexModelBinder GetBinder(IndexModelBinderProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (!context.Metadata.IsComplexType)
{
return(new SimpleTypeIndexModelBinder(context.Metadata.ModelType));
}
return(null);
}
public IIndexModelBinder GetBinder(IndexModelBinderProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var modelType = context.Metadata.ModelType;
if (modelType.IsArray)
{
return(null);
}
var collectionType = ClosedGenericMatcher.ExtractGenericInterface(modelType, typeof(ICollection <>));
if (collectionType != null)
{
var elementType = collectionType.GenericTypeArguments[0];
var elementBinder = context.CreateBinder(context.MetadataProvider.GetMetadataForType(elementType));
var binderType = typeof(CollectionIndexModelBinder <>).MakeGenericType(collectionType.GenericTypeArguments);
return((IIndexModelBinder)Activator.CreateInstance(binderType, elementBinder));
}
var enumerableType = ClosedGenericMatcher.ExtractGenericInterface(modelType, typeof(IEnumerable <>));
if (enumerableType != null)
{
var listType = typeof(List <>).MakeGenericType(enumerableType.GenericTypeArguments);
if (modelType.GetTypeInfo().IsAssignableFrom(listType.GetTypeInfo()))
{
var elementType = enumerableType.GenericTypeArguments[0];
var elementBinder = context.CreateBinder(context.MetadataProvider.GetMetadataForType(elementType));
var binderType = typeof(CollectionIndexModelBinder <>).MakeGenericType(enumerableType.GenericTypeArguments);
return((IIndexModelBinder)Activator.CreateInstance(binderType, elementBinder));
}
}
return(null);
}
public IIndexModelBinder GetBinder(IndexModelBinderProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (context.Metadata.IsComplexType && !context.Metadata.IsCollectionType)
{
var propertyBinders = new Dictionary <ModelMetadata, IIndexModelBinder>();
for (var i = 0; i < context.Metadata.Properties.Count; i++)
{
var property = context.Metadata.Properties[i];
propertyBinders.Add(property, context.CreateBinder(property));
}
return(new ComplexTypeIndexModelBinder(propertyBinders));
}
return(null);
}