/// <summary>
/// Processes an IfcObjectDefinition object.
/// </summary>
/// <param name="ifcObjectDefinition">The IfcObjectDefinition handle.</param>
/// <returns>The IFCObjectDefinition object.</returns>
public static IFCObjectDefinition ProcessIFCObjectDefinition(IFCAnyHandle ifcObjectDefinition)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcObjectDefinition))
{
IFCImportFile.TheLog.LogNullError(IFCEntityType.IfcObjectDefinition);
return(null);
}
IFCEntity cachedObjectDefinition;
if (IFCImportFile.TheFile.EntityMap.TryGetValue(ifcObjectDefinition.StepId, out cachedObjectDefinition))
{
return(cachedObjectDefinition as IFCObjectDefinition);
}
try
{
if (IFCAnyHandleUtil.IsSubTypeOf(ifcObjectDefinition, IFCEntityType.IfcObject))
{
return(IFCObject.ProcessIFCObject(ifcObjectDefinition));
}
}
catch (Exception ex)
{
if (ex.Message == "Don't Import")
{
return(null);
}
}
IFCImportFile.TheLog.LogUnhandledSubTypeError(ifcObjectDefinition, IFCEntityType.IfcObjectDefinition, false);
return(null);
}
/// <summary>
/// Gets the one material associated with this object.
/// </summary>
/// <returns>The material, if there is identically one; otherwise, null.</returns>
public IFCMaterial GetTheMaterial()
{
if (!m_TheMaterialIsSet)
{
IList <IFCMaterial> materials = GetMaterials();
m_TheMaterialIsSet = true;
IFCMaterial theMaterial = null;
if (materials.Count > 1)
{
return(null);
}
if (materials.Count == 1)
{
theMaterial = materials[0];
}
if (this is IFCObject)
{
IFCObject asObject = this as IFCObject;
foreach (IFCTypeObject typeObject in asObject.TypeObjects)
{
IList <IFCMaterial> typeMaterials = typeObject.GetMaterials();
if (typeMaterials.Count > 1)
{
return(null);
}
if (typeMaterials.Count == 1)
{
if (theMaterial != null && theMaterial.Id != typeMaterials[0].Id)
{
return(null);
}
theMaterial = typeMaterials[0];
}
}
}
m_TheMaterial = theMaterial;
}
return(m_TheMaterial);
}
/// <summary>
/// Create one or more elements
/// </summary>
/// <param name="doc">The document being populated.</param>
/// <returns>The primary element associated with the IFCObjectDefinition, or InvalidElementId if it failed.</returns>
public static ElementId CreateElement(Document doc, IFCObjectDefinition objDef)
{
// This would be a good place to check 'objDef.GlobalId'.
ElementId createdElementId = objDef.CreatedElementId;
try
{
if ((createdElementId == ElementId.InvalidElementId) && objDef.IsValidForCreation)
{
ElementId gstyleId;
objDef.CategoryId = IFCCategoryUtil.GetCategoryIdForEntity(doc, objDef, out gstyleId);
objDef.m_GraphicsStyleId = gstyleId;
if (objDef is IFCObject)
{
IFCObject asObject = objDef as IFCObject;
foreach (IFCTypeObject typeObject in asObject.TypeObjects)
{
IFCObjectDefinition.CreateElement(doc, typeObject);
}
}
objDef.Create(doc);
objDef.CreateParameters(doc);
createdElementId = objDef.CreatedElementId;
IFCImportFile.TheLog.AddCreatedEntity(doc, objDef);
if (IFCImportFile.CleanEntitiesAfterCreate)
{
objDef.CleanEntity();
}
}
}
catch (Exception ex)
{
if (objDef != null)
{
objDef.IsValidForCreation = false;
IFCImportFile.TheLog.LogCreationError(objDef, ex.Message, false);
}
}
return(createdElementId);
}
