From 285f6aea9d1f95aebcc77b53066eb9064b85c3b2 Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Mon, 13 Jun 2016 13:46:51 -0300
Subject: [PATCH] Draft: Center Snap can now also snap to center of faces

---
 src/Mod/Draft/DraftSnap.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Draft/DraftSnap.py b/src/Mod/Draft/DraftSnap.py
index d549f0096..8085bbc23 100644
--- a/src/Mod/Draft/DraftSnap.py
+++ b/src/Mod/Draft/DraftSnap.py
@@ -319,7 +319,11 @@ class Snapper:
                                 elif et == "Ellipse":
                                     # extra ellipse options
                                     snaps.extend(self.snapToCenter(edge))
-
+                        elif "Face" in comp:
+                            en = int(comp[4:])-1
+                            if len(obj.Shape.Faces) > en:
+                                face = obj.Shape.Faces[en]
+                                snaps.extend(self.snapToFace(face))
                         elif "Vertex" in comp:
                             # directly snapped to a vertex
                             snaps.append(self.snapToVertex(self.snapInfo,active=True))
@@ -749,6 +753,15 @@ class Snapper:
             else:
                 snaps.append([c,'center',c])
         return snaps
+        
+    def snapToFace(self,shape):
+        "returns a face center snap location"
+        snaps = []
+        if self.isEnabled("center"):
+            pos = shape.CenterOfMass
+            c = self.toWP(pos)
+            snaps.append([pos,'center',c])
+        return snaps
 
     def snapToIntersection(self,shape):
         "returns a list of intersection snap locations"