private static void FillCollectionInfo(Type it, CollectionInfo info, ref int level)
{
/*
* level:
* 0 = not a collection
* 1 = collection
* 2 = list
* 3 = generic collection, does not support collection manipulation.
* 4 = generic list
*/
if (it.IsGenericType)
{
Type def = it.GetGenericTypeDefinition();
if (def == typeof(IList <>))
{
info.SupportManipulation = true;
info.ElementType = it.GetGenericArguments()[0];
info.InterfaceType = it;
info.IsGeneric = true;
level = 4;
}
else if (def == typeof(ICollection <>) && level < 3)
{
info.SupportManipulation = true;
info.ElementType = it.GetGenericArguments()[0];
info.IsGeneric = true;
info.InterfaceType = it;
level = 3;
}
}
else
{
if (it == typeof(IList) && level < 2)
{
info.SupportManipulation = true;
info.InterfaceType = it;
level = 2;
}
else if (it == typeof(ICollection) && level < 1)
{
info.InterfaceType = it;
level = 1;
}
}
}
public static CollectionInfo GetCollectionInfo(this Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
CollectionInfo info = new CollectionInfo(type);
if (type.IsArray)
{
info.ElementType = type.GetElementType();
info.IsArray = true;
info.InterfaceType = typeof(ICollection);
}
else
{
int level = 0;
if (type.IsInterface)
{
FillCollectionInfo(type, info, ref level);
}
if (level == 0)
{
foreach (var it in type.GetInterfaces())
{
FillCollectionInfo(it, info, ref level);
if (level == 4)
{
break;
}
}
}
}
return(info);
}
internal ModelPropertyInfo(PropertyInfo info, ModelInfo model)
{
_property = info;
_getter = CreateGetterAccessor(info);
_setter = CreateSetterAccessor(info);
_model = model;
_collectionInfo = info.PropertyType.GetCollectionInfo();
_maps = info.GetCustomAttributes <ModelMapAttribute>().ToArray();
_display = info.GetCustomAttribute <DisplayAttribute>();
if (_property.IsDefined(typeof(KeyAttribute)))
{
_keyType = ModelKeyType.Explicit;
}
var ca = _property.GetCustomAttribute <ColumnAttribute>();
if (ca != null)
{
_order = ca.Order;
}
}