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// (C) Copyright 2003-2019 by Autodesk, Inc.
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using Autodesk.Revit.UI.Selection;
using Autodesk.AdvanceSteel.CADAccess;
using Autodesk.AdvanceSteel.Geometry;
using Autodesk.AdvanceSteel.Modelling;
using Autodesk.SteelConnectionsDB;
using Autodesk.AdvanceSteel.Arrangement;
using Autodesk.AdvanceSteel.Contours;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;


namespace Revit.SDK.Samples.SampleCommandsSteelElements.CreatePlateHole.CS
{
   /// <summary>
   /// Implements the Revit add-in interface IExternalCommand
   /// </summary>
   [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)]
   [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)]
   [Autodesk.Revit.Attributes.Journaling(Autodesk.Revit.Attributes.JournalingMode.NoCommandData)]
   public class Command : IExternalCommand
   {
      /// <summary>
      /// Implement this method as an external command for Revit.
      /// </summary>
      /// <param name="commandData">An object that is passed to the external application 
      /// which contains data related to the command, 
      /// such as the application object and active view.</param>
      /// <param name="message">A message that can be set by the external application 
      /// which will be displayed if a failure or cancellation is returned by 
      /// the external command.</param>
      /// <param name="elements">A set of elements to which the external application 
      /// can add elements that are to be highlighted in case of failure or cancellation.</param>
      /// <returns>Return the status of the external command. 
      /// A result of Succeeded means that the API external method functioned as expected. 
      /// Cancelled can be used to signify that the user cancelled the external operation 
      /// at some point. Failure should be returned if the application is unable to proceed with 
      /// the operation.</returns>
      public virtual Result Execute(ExternalCommandData commandData
          , ref string message, ElementSet elements)
      {
         //Get the document from external command data.
         UIDocument activeDoc = commandData.Application.ActiveUIDocument;
         Autodesk.Revit.DB.Document doc = activeDoc.Document;

         if (null == doc)
         {
            return Result.Failed;
         }

         try
         {
            // Start detailed steel modeling transaction
            using (FabricationTransaction trans = new FabricationTransaction(doc, false, "Create hole in plate"))
            {
               // Creating a plate, using AdvanceSteel classes and objects
               // for more details, please consult http://www.autodesk.com/adv-steel-api-walkthroughs-2019-enu
               Reference eRef = activeDoc.Selection.PickObject(ObjectType.Element, "Pick a plate");
               FilerObject filerObj = Utilities.Functions.GetFilerObject(doc, eRef);

               if (null == filerObj)
               {
                  return Result.Failed;
               }

               if (!(filerObj is Plate))
               {
                  return Result.Failed;
               }

               // Point of reference for the hole in plate feature. We use GlobalPoint. GlobalPoint is the point where the plate is being hit when selected.
               Point3d p1 = new Point3d(eRef.GlobalPoint.X, eRef.GlobalPoint.Y, eRef.GlobalPoint.Z);
               Plate plate = filerObj as Plate;
               // Adding a hole to the plate, using AdvanceSteel classes and objects
               Matrix3d csHole = new Matrix3d();
               csHole.SetCoordSystem(p1 * Utilities.Functions.FEET_TO_MM, Vector3d.kXAxis, Vector3d.kYAxis, Vector3d.kZAxis);
               ConnectionHolePlate hole = new ConnectionHolePlate(plate, csHole);
               hole.Arranger = new BoundedRectArranger(0, 0);
               hole.Arranger.Nx = 1;
               hole.Arranger.Ny = 1;
               hole.Hole = new Hole(100);
               plate.AddFeature(hole);
               hole.updateYourself();

               trans.Commit();
            }
         }

         catch (Autodesk.Revit.Exceptions.OperationCanceledException)
         {
            return Result.Cancelled;
         }
         return Result.Succeeded;
      }
   }
}