public Result Execute(ExternalCommandData commandData, ref string msg, ElementSet elements)
{
UIApplication uiApp = commandData.Application;
Document doc = uiApp.ActiveUIDocument.Document;
UIDocument uidoc = uiApp.ActiveUIDocument;
Transaction trans = new Transaction(doc, "Set System");
MEPModel mepModel = null;
trans.Start();
try
{
//Select Element to provide a system
//Pipe type to restrict selection of tapping element
Type t = typeof(Pipe);
//Select tap element
Element systemDonor = BuildingCoderUtilities.SelectSingleElementOfType(uidoc, t, "Select a pipe in desired system.", false);
if (systemDonor == null)
{
throw new Exception("System assignment cancelled!");
}
//Select Element to add to system
Element elementToAdd = BuildingCoderUtilities.SelectSingleElement(uidoc, "Select support to add to system.");
if (elementToAdd == null)
{
throw new Exception("System assignment cancelled!");
}
//Cast the selected element to Pipe
Pipe pipe = (Pipe)systemDonor;
//Get the pipe type from pipe
ElementId pipeTypeId = pipe.PipeType.Id;
//Get system type from pipe
ConnectorSet pipeConnectors = pipe.ConnectorManager.Connectors;
Connector pipeConnector = (from Connector c in pipeConnectors where true select c).FirstOrDefault();
ElementId pipeSystemType = pipeConnector.MEPSystem.GetTypeId();
//Collect levels and select one level
FilteredElementCollector collector = new FilteredElementCollector(doc);
ElementClassFilter levelFilter = new ElementClassFilter(typeof(Level));
ElementId levelId = collector.WherePasses(levelFilter).FirstElementId();
//Get the connector from the support
FamilyInstance familyInstanceToAdd = (FamilyInstance)elementToAdd;
ConnectorSet connectorSetToAdd = new ConnectorSet();
mepModel = familyInstanceToAdd.MEPModel;
connectorSetToAdd = mepModel.ConnectorManager.Connectors;
if (connectorSetToAdd.IsEmpty)
{
throw new Exception(
"The support family lacks a connector. Please read the documentation for correct procedure of setting up a support element.");
}
Connector connectorToConnect =
(from Connector c in connectorSetToAdd where true select c).FirstOrDefault();
//Create a point in space to connect the pipe
XYZ direction = connectorToConnect.CoordinateSystem.BasisZ.Multiply(2);
XYZ origin = connectorToConnect.Origin;
XYZ pointInSpace = origin.Add(direction);
//Create the pipe
Pipe newPipe = Pipe.Create(doc, pipeTypeId, levelId, connectorToConnect, pointInSpace);
//Change the pipe system type to match the picked pipe (it is not always matching)
newPipe.SetSystemType(pipeSystemType);
trans.Commit();
trans.Start("Delete the pipe");
//Delete the pipe
doc.Delete(newPipe.Id);
trans.Commit();
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException)
{
trans.RollBack();
return(Result.Cancelled);
}
catch (Exception ex)
{
trans.RollBack();
msg = ex.Message;
return(Result.Failed);
}
return(Result.Succeeded);
}
public Result defineTapConnection(ExternalCommandData commandData, ref string msg, ElementSet elements)
{
UIApplication uiApp = commandData.Application;
Document doc = uiApp.ActiveUIDocument.Document;
Application app = doc.Application;
UIDocument uidoc = uiApp.ActiveUIDocument;
Transaction trans = new Transaction(doc, "Define tap");
trans.Start();
try
{
//Select tapped element
Element tappedElement = BuildingCoderUtilities.SelectSingleElement(uidoc, "Select tapped element.");
if (!(tappedElement != null))
{
throw new Exception("Tap Connection cancelled!");
}
//Pipe type to restrict selection of tapping element
Type t = typeof(Pipe);
//Select tap element
Element tappingElement = BuildingCoderUtilities.SelectSingleElementOfType(uidoc, t, "Select tapping element (must be a pipe).", false);
if (!(tappingElement != null))
{
throw new Exception("Tap Connection cancelled!");
}
////Debugging
//StringBuilder sbTaps = new StringBuilder();
if (string.IsNullOrEmpty(tappedElement.LookupParameter("PCF_ELEM_TAP1").AsString()))
{
tappedElement.LookupParameter("PCF_ELEM_TAP1").Set(tappingElement.UniqueId.ToString());
}
else if (string.IsNullOrEmpty(tappedElement.LookupParameter("PCF_ELEM_TAP2").AsString()))
{
tappedElement.LookupParameter("PCF_ELEM_TAP2").Set(tappingElement.UniqueId.ToString());
}
else if (string.IsNullOrEmpty(tappedElement.LookupParameter("PCF_ELEM_TAP3").AsString()))
{
tappedElement.LookupParameter("PCF_ELEM_TAP3").Set(tappingElement.UniqueId.ToString());
}
else
{
BuildingCoderUtilities.ErrorMsg("All tapping slots are taken. Manually delete unwanted values og increase number of tapping slots.");
}
trans.Commit();
//Debug
//sbTaps.Append(tappedElement.LookupParameter(InputVars.PCF_ELEM_TAP1).AsString() == "");
//sbTaps.AppendLine();
//sbTaps.Append(tappedElement.LookupParameter(InputVars.PCF_ELEM_TAP2).AsString() + " " + tappedElement.LookupParameter(InputVars.PCF_ELEM_TAP2).AsString() == null);
//sbTaps.AppendLine();
//sbTaps.Append(tappedElement.LookupParameter(InputVars.PCF_ELEM_TAP3).AsString() + " " + tappedElement.LookupParameter(InputVars.PCF_ELEM_TAP3).AsString() == null);
//sbTaps.AppendLine();
//// Debugging
//// Clear the output file
//File.WriteAllBytes(InputVars.OutputDirectoryFilePath + "Taps.pcf", new byte[0]);
//// Write to output file
//using (StreamWriter w = File.AppendText(InputVars.OutputDirectoryFilePath + "Taps.pcf"))
//{
// w.Write(sbTaps);
// w.Close();
//}
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException)
{
trans.RollBack();
return(Result.Cancelled);
}
catch (Exception ex)
{
trans.RollBack();
msg = ex.Message;
return(Result.Failed);
}
return(Result.Succeeded);
}