From 33cb9ce0ba0b2fafc1b2e5aed5c72c991aa3528f Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Fri, 16 Aug 2019 16:40:50 -0300
Subject: [PATCH] Draft: Shape2Dview now supports buildingparts

---
 src/Mod/Draft/Draft.py | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/Mod/Draft/Draft.py b/src/Mod/Draft/Draft.py
index 9c57686630..b91de89e2e 100644
--- a/src/Mod/Draft/Draft.py
+++ b/src/Mod/Draft/Draft.py
@@ -5491,17 +5491,29 @@ class _Shape2DView(_DraftObject):
                 if obj.ViewObject:
                     if obj.ViewObject.Visibility == False:
                         return False
-        import DraftGeomUtils
+        import Part, DraftGeomUtils
         obj.positionBySupport()
         pl = obj.Placement
         if obj.Base:
-            if getType(obj.Base) == "SectionPlane":
-                if obj.Base.Objects:
+            if getType(obj.Base) in ["BuildingPart","SectionPlane"]:
+                objs = []
+                if getType(obj.Base) == "SectionPlane":
+                    objs = obj.Base.Objects
+                    cutplane = obj.Base.Shape
+                else:
+                    objs = obj.Base.Group
+                    cutplane = Part.makePlane(1000,1000,FreeCAD.Vector(-500,-500,0))
+                    m = 1500
+                    if obj.Base.ViewObject and hasattr(obj.Base.ViewObject,"CutMargin"):
+                        m = obj.Base.ViewObject.CutMargin.Value
+                    cutplane.translate(FreeCAD.Vector(0,0,m))
+                    cutplane.Placement = cutplane.Placement.multiply(obj.Base.Placement)
+                if objs:
                     onlysolids = True
                     if hasattr(obj.Base,"OnlySolids"):
                         onlysolids = obj.Base.OnlySolids
                     import Arch, Part, Drawing
-                    objs = getGroupContents(obj.Base.Objects,walls=True)
+                    objs = getGroupContents(objs,walls=True)
                     objs = removeHidden(objs)
                     shapes = []
                     if hasattr(obj,"FuseArch") and obj.FuseArch:
@@ -5537,7 +5549,7 @@ class _Shape2DView(_DraftObject):
                     clip = False
                     if hasattr(obj.Base,"Clip"):
                         clip = obj.Base.Clip
-                    cutp,cutv,iv = Arch.getCutVolume(obj.Base.Shape,shapes,clip)
+                    cutp,cutv,iv = Arch.getCutVolume(cutplane,shapes,clip)
                     cuts = []
                     opl = FreeCAD.Placement(obj.Base.Placement)
                     proj = opl.Rotation.multVec(FreeCAD.Vector(0,0,1))