/// <summary>
/// Find the handle from the cache using only the Material Id.
/// </summary>
/// <param name="materialId"></param>
/// <returns></returns>
public IFCAnyHandle Find(ElementId materialId)
{
// If only a Material ElementId is provided, default the constituent name to be the same as the material name
Material material = ExporterCacheManager.Document.GetElement(materialId) as Material;
string catName = (material != null) ? NamingUtil.GetMaterialName(material) : "<Unnamed>"; // Default name to the Material name if not null or <Unnamed>
MaterialConstituentInfo constInfo = new MaterialConstituentInfo(catName, materialId);
return(Find(constInfo));
}
/// <summary>
/// Delete an element from the cache
/// </summary>
/// <param name="consInfo">the Material Constituent Info</param>
public void Delete(MaterialConstituentInfo constInfo)
{
if (m_MaterialConstDictionary.ContainsKey(constInfo))
{
IFCAnyHandle handle = m_MaterialConstDictionary[constInfo];
m_MaterialConstDictionary.Remove(constInfo);
ExporterCacheManager.HandleToElementCache.Delete(handle);
}
}
/// <summary>
/// Adds the handle to the dictionary.
/// </summary>
/// <param name="constInfo">The Material Constituent Info</param>
/// <param name="handle">The handle</param>
public void Register(MaterialConstituentInfo constInfo, IFCAnyHandle handle)
{
if (m_MaterialConstDictionary.ContainsKey(constInfo))
{
return;
}
m_MaterialConstDictionary[constInfo] = handle;
}
/// <summary>
/// Register Material Constituent Handle with only Material Id. This is the original behavior
/// </summary>
/// <param name="materialId">the material elementId</param>
/// <param name="handle">the handle</param>
public void Register(ElementId materialId, IFCAnyHandle handle)
{
// If only a Material ElementId is provided, default the constituent name to be the same as the material name
Material material = ExporterCacheManager.Document.GetElement(materialId) as Material;
string catName = (material != null) ? NamingUtil.GetMaterialName(material) : "<Unnamed>"; // Default name to the Material name if not null or <Unnamed>
MaterialConstituentInfo constInfo = new MaterialConstituentInfo(catName, materialId);
if (m_MaterialConstDictionary.ContainsKey(constInfo))
{
return;
}
m_MaterialConstDictionary[constInfo] = handle;
}
/// <summary>
/// Get or Create (if not yet exists) a handle for IfcMaterialConstituent. It points to an IfcMaterial
/// </summary>
/// <param name="exporterIFC"></param>
/// <param name="materialId"></param>
/// <returns>The Handle to IfcMaterialConstituent</returns>
public static IFCAnyHandle GetOrCreateMaterialConstituent(ExporterIFC exporterIFC, ElementId materialId)
{
IFCAnyHandle materialConstituentHandle = ExporterCacheManager.MaterialConstituentCache.Find(materialId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialConstituentHandle))
{
Document document = ExporterCacheManager.Document;
IFCAnyHandle materialHnd = GetOrCreateMaterialHandle(exporterIFC, materialId);
//Material constituent name will be defaulted to the same as the material name
Material material = document.GetElement(materialId) as Material;
string constituentName = (material != null) ? NamingUtil.GetMaterialName(material) : "<Unnamed>";
MaterialConstituentInfo constInfo = new MaterialConstituentInfo(constituentName, materialId);
materialConstituentHandle = GetOrCreateMaterialConstituent(exporterIFC, constInfo);
}
return(materialConstituentHandle);
}
/// <summary>
/// Finds the handle from the dictionary.
/// </summary>
/// <param name="constInfo">The Material Constituent Info</param>
/// <returns>The handle</returns>
public IFCAnyHandle Find(MaterialConstituentInfo constInfo)
{
IFCAnyHandle handle = null;
if (m_MaterialConstDictionary.TryGetValue(constInfo, out handle))
{
// We need to make sure the handle isn't stale. If it is, remove it.
try
{
if (!IFCAnyHandleUtil.IsValidHandle(handle))
{
m_MaterialConstDictionary.Remove(constInfo);
handle = null;
}
}
catch
{
m_MaterialConstDictionary.Remove(constInfo);
handle = null;
}
}
return(handle);
}
/// <summary>
/// Get or Create (if not yet exists) a handle for IfcMaterialConstituent. It points to an IfcMaterial
/// </summary>
/// <param name="exporterIFC"></param>
/// <param name="materialId"></param>
/// <returns>The Handle to IfcMaterialConstituent</returns>
public static IFCAnyHandle GetOrCreateMaterialConstituent(ExporterIFC exporterIFC, MaterialConstituentInfo constInfo)
{
IFCAnyHandle materialConstituentHandle = ExporterCacheManager.MaterialConstituentCache.Find(constInfo);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialConstituentHandle))
{
Document document = ExporterCacheManager.Document;
IFCAnyHandle materialHnd = GetOrCreateMaterialHandle(exporterIFC, constInfo.MaterialId);
Material material = document.GetElement(constInfo.MaterialId) as Material;
string category = (material != null) ? NamingUtil.GetMaterialCategoryName(material) : string.Empty;
materialConstituentHandle = IFCInstanceExporter.CreateMaterialConstituent(exporterIFC.GetFile(), materialHnd, name: constInfo.ComponentCat, category: category);
ExporterCacheManager.MaterialConstituentCache.Register(constInfo, materialConstituentHandle);
}
return(materialConstituentHandle);
}
