/// <summary>
/// Filter IfcProduct and IfcTypeObject types
/// </summary>
/// <param name="obj">CobieObject</param>
/// <param name="parent">Parent object</param>
/// <param name="preDefinedType">strings for the ifcTypeObject predefinedtype enum property</param>
/// <returns>bool, true = exclude</returns>
public bool ObjFilter(CobieObject obj, CobieObject parent = null, string preDefinedType = null)
{
bool exclude = false;
if (!string.IsNullOrEmpty(obj.ExternalEntity))
{
if (obj is Asset)
{
exclude = IfcProductFilter.ItemsFilter(obj.ExternalEntity);
//check the element is not defined by a type which is excluded, by default if no type, then no element included
if (!exclude && parent is AssetType)
{
exclude = IfcTypeObjectFilter.ItemsFilter(parent.ExternalEntity, preDefinedType);
}
}
else if (obj is AssetType)
{
exclude = IfcTypeObjectFilter.ItemsFilter(obj.ExternalEntity, preDefinedType);
}
}
return(FlipResult ? !exclude : exclude);
}
//TODO: Check function below, see if it works!
/// <summary>
/// filter on IfcObjectDefinition objects
/// </summary>
/// <param name="obj"></param>
/// <param name="checkType"></param>
/// <returns>bool true = exclude</returns>
public bool ObjFilter(IIfcObjectDefinition obj, bool checkType = true)
{
bool exclude = false;
if (obj is IIfcProduct)
{
exclude = IfcProductFilter.ItemsFilter(obj);
//check the element is not defined by a type which is excluded, by default if no type, then no element included
if (!exclude && checkType)
{
var objType = Enumerable.OfType <IIfcRelDefinesByType>(((IIfcProduct)obj).IsDefinedBy).Select(rdbt => rdbt.RelatingType).FirstOrDefault(); //assuming only one IfcRelDefinesByType
if (objType != null) //if no type defined lets include it for now
{
exclude = IfcTypeObjectFilter.ItemsFilter(objType);
}
}
}
else if (obj is IIfcTypeProduct)
{
exclude = IfcTypeObjectFilter.ItemsFilter(obj);
}
return(FlipResult ? !exclude : exclude);
}