[BimWindow] Integrate Interactive Creation Tool with SketchArch Parametric Attachment Feature (#20872)

Improvement to User Interactive Experience:
- Now with the stock BIM Window Interactive Tool and SketchArch-addon, the required SketchArch parametric placement information of an Arch Object (Window currently) are automatically completed, no more manual input is required.

FreeCAD Forum Discussion:
- https://forum.freecad.org/viewtopic.php?p=822493#p822493

YouTube Demo:
- https://youtu.be/BNZFk03_eGE

src/Mod/BIM/bimcommands/BimWindow.py

@@ -173,7 +173,7 @@ class Arch_Window:
         point = point.add(FreeCAD.Vector(0,0,self.Sill))
         FreeCAD.ActiveDocument.openTransaction(translate("Arch","Create Window"))
 
-        FreeCADGui.doCommand("import math, FreeCAD, Arch, DraftGeomUtils, WorkingPlane")
+        FreeCADGui.doCommand("import FreeCAD, Arch, DraftGeomUtils, WorkingPlane")
         FreeCADGui.doCommand("wp = WorkingPlane.get_working_plane()")
 
         if self.baseFace is not None:
@@ -186,6 +186,7 @@ class Arch_Window:
         FreeCADGui.doCommand("pl.Base = FreeCAD.Vector(" + str(point.x) + ", " + str(point.y) + ", " + str(point.z) + ")")
 
         if self.Preset >= len(WindowPresets):
+            preset = False
             # library object
             col = FreeCAD.ActiveDocument.Objects
             path = self.librarypresets[self.Preset - len(WindowPresets)][1]
@@ -213,10 +214,22 @@ class Arch_Window:
 
         else:
             # preset
+            preset = True
             wp = ""
             for p in self.wparams:
-                wp += p.lower() + "=" + str(getattr(self,p)) + ", "
-            FreeCADGui.doCommand("win = Arch.makeWindowPreset('" + WindowPresets[self.Preset] + "', " + wp + "placement=pl)")
+                wp += ", " + p.lower() + "=" + str(getattr(self,p))
+            import ArchSketchObject
+            if hasattr(ArchSketchObject, 'attachToHost'):
+                # Window sketch's stay at orgin is good if addon exists
+                FreeCADGui.doCommand("win = Arch.makeWindowPreset('" + WindowPresets[self.Preset] + "' " + wp + ")")
+                FreeCADGui.doCommand("FreeCADGui.Selection.addSelection(win)")
+                w = FreeCADGui.Selection.getSelection()[0]
+                FreeCADGui.doCommand("FreeCAD.SketchArchPl = pl")
+                wPl = FreeCAD.SketchArchPl
+                SketchArch = True
+            else:
+                FreeCADGui.doCommand("win = Arch.makeWindowPreset('" + WindowPresets[self.Preset] + "' " + wp + ", placement=pl)")
+                SketchArch = False
 
         if self.Include:
             host = None
@@ -229,6 +242,9 @@ class Arch_Window:
                 siblings = host.Proxy.getSiblings(host)
                 for sibling in siblings:
                     FreeCADGui.doCommand("win.Hosts = win.Hosts + [FreeCAD.ActiveDocument." + sibling.Name + "]")
+                if preset == True and Draft.getType(host.Base) == "ArchSketch":
+                    if SketchArch:
+                        ArchSketchObject.attachToHost(w, target=host, pl=wPl)
 
         FreeCAD.ActiveDocument.commitTransaction()
         FreeCAD.ActiveDocument.recompute()