private static IEnumerable <IAttributeDefinition> GetSuggestedSelection(IAssetType assetType, Type type)
{
var result = new AttributeSelection();
for (var t = type; t != null; t = t.BaseType)
{
var attributes = t.GetCustomAttributes(typeof(MetaDataAttribute), false);
foreach (MetaDataAttribute attrib in attributes)
{
var names = attrib.DefaultAttributeSelectionNames;
if (!string.IsNullOrEmpty(names))
{
foreach (var name in names.Split(','))
{
IAttributeDefinition def;
if (assetType.TryGetAttributeDefinition(name, out def))
{
if (!result.Contains(def))
{
result.Add(def);
}
}
}
}
}
}
return(result);
}
private static AttributeSelection FlattenSelection(IAssetType querytype, IEnumerable <IAttributeDefinition> orig)
{
var selection = new AttributeSelection();
foreach (var def in orig)
{
IAttributeDefinition newdef = null;
if (def.AssetType.Is(querytype))
{
if (def.AssetType == querytype || def.Base == null)
{
newdef = def;
}
else if (def.Base.AssetType.Is(querytype))
{
newdef = def.Base;
}
else
{
newdef = querytype.GetAttributeDefinition(def.Name);
}
}
else if (querytype.Is(def.AssetType))
{
newdef = querytype.GetAttributeDefinition(def.Name);
}
if (newdef != null && !selection.Contains(newdef))
{
selection.Add(newdef);
}
}
return(selection);
}
