private IEnumerable <IPersistIfcEntity> FilterElementsByType(IEnumerable <IPersistIfcEntity> elements, IEnumerable <IPersistIfcEntity> types)
{
//create lists from input arguments because enumeration crashes otherwise
List <IPersistIfcEntity> elemList = elements.ToList();
List <IPersistIfcEntity> typeList = types.ToList();
foreach (var element in elemList)
{
IfcObject obj = element as IfcObject;
if (obj != null)
{
IfcTypeObject defType = obj.GetDefiningType();
if (defType != null)
{
if (typeList.Contains(defType))
{
yield return(element);
}
}
else
{
yield return(element);
}
}
}
}
private void FillTypeData()
{
if (_typeProperties.Count > 0)
{
return; //don't fill unless empty
}
IfcObject ifcObj = _entity as IfcObject;
if (ifcObj != null)
{
IfcTypeObject typeEntity = ifcObj.GetDefiningType();
if (typeEntity != null)
{
IfcType ifcType = IfcMetaData.IfcType(typeEntity);
_typeProperties.Add(new PropertyItem()
{
Name = "Type", Value = ifcType.Type.Name
});
_typeProperties.Add(new PropertyItem()
{
Name = "Ifc Label", Value = "#" + typeEntity.EntityLabel
});
_typeProperties.Add(new PropertyItem()
{
Name = "Name", Value = typeEntity.Name
});
_typeProperties.Add(new PropertyItem()
{
Name = "Description", Value = typeEntity.Description
});
_typeProperties.Add(new PropertyItem()
{
Name = "GUID", Value = typeEntity.GlobalId
});
_typeProperties.Add(new PropertyItem()
{
Name = "Ownership",
Value = typeEntity.OwnerHistory.OwningUser.ToString() + " using " + typeEntity.OwnerHistory.OwningApplication.ApplicationIdentifier
});
//now do properties in further specialisations that are text labels
foreach (var pInfo in ifcType.IfcProperties.Where
(p => p.Value.IfcAttribute.Order > 4 &&
p.Value.IfcAttribute.State != IfcAttributeState.DerivedOverride)
) //skip the first for of root, and derived and things that are objects
{
object val = pInfo.Value.PropertyInfo.GetValue(typeEntity, null);
if (val != null && val is ExpressType) //only do express types
{
PropertyItem pi = new PropertyItem()
{
Name = pInfo.Value.PropertyInfo.Name, Value = ((ExpressType)val).ToPart21
};
_typeProperties.Add(pi);
}
}
}
}
}