public NodeUpdateResult PlaceParametricCell
(
NodeUpdateContext updateContext,
[Replicatable, DgnModelProvider] IPoint PlacementPoint,
[Replicatable] IPlane PlacementPlane,
[In] string CellLibraryPath,
[In] string CellDefinitionName,
[In] string CellVariation,
[Replicatable(-1, true)] string[] CellVariableNames,
[Replicatable(-1, true)] string[] CellVariableValues
)
{
this.ClearAndErase(updateContext); // Remove old feature
if (this.ReplicationIndex == 0 && CellLibraryPath == null || CellDefinitionName == null)
{
return new NodeUpdateResult.IncompleteInputs(CellLibraryPath, CellDefinitionName);
}
else
{
//NEED TO IMPLEMENT A SHARED CELL UPDATE IF UpdateSharedCell == true; THEN ONCE UPDATED SET THE PARAMETER TO FALSE SO THAT THE NEXT PLACED CELL DOESN'T UPDATE THE SHARED CELL AGAIN
//Check if cell library is attached and if not attach it
if (this.ReplicationIndex == 0 && MSApp.IsCellLibraryAttached == false || MSApp.AttachedCellLibrary.FullName != CellLibraryPath)
{
MSApp.AttachCellLibrary(CellLibraryPath);
}
DgnFile activeDgnFile = Session.Instance.GetActiveDgnFile();
DgnModel activeModel = Session.Instance.GetActiveDgnModel();
DgnModel cellModel = null;
ParametricCellElement pCell = null;
ParametricCellDefinitionElement cellDef = ParametricCellDefinitionElement.FindByName(CellDefinitionName, activeDgnFile);
if (cellDef == null) //cell not in active file, load from attached cell library
{
var opts = CellLibraryOptions.Include3d | CellLibraryOptions.IncludeAllLibraries | CellLibraryOptions.IncludeParametric;
var libs = new CellLibraryCollection(opts);
foreach (var lib in libs)
{
if (CellDefinitionName.Equals(lib.Name))
{
StatusInt status;
cellModel = lib.File.LoadRootModelById(out status, lib.File.FindModelIdByName(lib.Name), true, false, true);
break;
}
}
if (null == cellModel) //Cell definition (model) doesn't exist in the cell model file
{
LsBuilder lsBuilder = new LsBuilder();
Ls ls = lsBuilder.AppendLineLiteral("Error loading cell definition. Check cell definition name and library are correct.").ToLs();
return new NodeUpdateResult.TechniqueFailureMessage(ls);
}
else
{
var hdlr = DgnComponentDefinitionHandler.GetForModel(cellModel);
var status = hdlr.DefinitionModelHandler.CreateCellDefinition(activeDgnFile);
if (ParameterStatus.Success == status)
cellDef = ParametricCellDefinitionElement.FindByName(CellDefinitionName, activeDgnFile);
else
{
LsBuilder lsBuilder = new LsBuilder();
Ls ls = lsBuilder.AppendLineLiteral("Error creating cell definition in active file.").ToLs();
return new NodeUpdateResult.TechniqueFailureMessage(ls);
}
}
}
try
{
pCell = ParametricCellElement.Create(cellDef, CellVariation, activeModel);
//Cell origin point - adjusted for U.O.R.
double uor = MSApp.ActiveModelReference.UORsPerMasterUnit;
DPoint3d cellOrigin = DPoint3d.Multiply(uor, PlacementPoint.GetDPoint3d());
pCell.Origin = cellOrigin;
DTransform3d dTransform3D = PlacementPlane.GetDTransform3d();
DPlane3d dPlane3D = PlacementPlane.GetDPlane3d();
DMatrix3d dMatrix3D = new DMatrix3d(dTransform3D);
pCell.Rotation = dMatrix3D;
//pCell.IsInvisible = true; //We don't want multiple elements visible
pCell.AddToModel(); //Add to the model so we can assign variables and retrieve the element
//Assign custom variables if they exist
if (CellVariableNames != null && CellVariableValues != null)
{
IECClass ecClass = pCell.Parameters.ClassDefinition;
IDgnECInstance eci = DgnECManager.FindECInstanceOnElement(pCell, ecClass);
for (int i = 0; i < CellVariableNames.Length; ++i)
{
IEnumerator<IECPropertyValue> props = eci.GetEnumerator(false, true);
while (props.MoveNext())
{
if (props.Current.Property.DisplayLabel == CellVariableNames[i].ToString())
{
props.Current.StringValue = CellVariableValues[i].ToString();
}
}
}
eci.WriteChanges();
}
IElement ele = MSApp.ActiveModelReference.GetLastValidGraphicalElement();
SetElement(ele); //Commit as a GC feature
pCell.Dispose(); //Clean up the memory of pCell, only 'ele' will be retained
}
catch (Exception ex)
{
return new NodeUpdateResult.TechniqueException(ex);
}
return NodeUpdateResult.Success;
}
}
public NodeUpdateResult DropParametricCellToOrphanCell
(
NodeUpdateContext updateContext,
[Replicatable, DgnModelProvider] object ParametricCell,
[Out, Replicatable] ref string ElementPath
)
{
try
{
Feature feat = ParametricCell as Feature;
long id = feat.Element.ID;
GCModel gcmodel = feat.GCModel();
DgnModel model = Session.Instance.GetActiveDgnModel();
Element element = model.FindElementById(new ElementId(ref id));
if (element is ParametricCellElement instance)
{
MessageCenter.Instance.StatusMessage = $"Parametric cell: {instance.CellDefinition.CellName}";
List<Element> extracted = new List<Element>();
CellHeaderElement group = (CellHeaderElement)null;
int n = 0;
try
{
ParametricCellProcessor processor = new ParametricCellProcessor(extracted, model);
ElementGraphicsOutput.Process(instance, processor);
group = CellHeaderElement.CreateOrphanCellElement(model, n.ToString(), extracted);
group.AddToModel();
IElement fetch = MSApp.ActiveModelReference.GetLastValidGraphicalElement();
this.SetElement(fetch);
Bentley.Interop.MicroStationDGN.Element ele = this.GetElement();
string elementPath;
DgnTools.TryGetPersistentPath(ele, out elementPath);
ElementPath = elementPath.ToString();
}
finally
{
if (null != extracted)
{
foreach (Element el in extracted)
{
el.Dispose();
group.Dispose();
}
}
}
}
else
{
LsBuilder lsBuilder = new LsBuilder();
Ls ls = lsBuilder.AppendLineLiteral("Input element is not of the correct type.").ToLs();
return new NodeUpdateResult.TechniqueFailureMessage(ls);
}
}
catch (Exception ex)
{
return new NodeUpdateResult.TechniqueException(ex);
}
return NodeUpdateResult.Success;
}