Draft: Edit support for Part Sphere

.

src/Mod/Draft/draftguitools/gui_edit.py

@@ -983,6 +983,9 @@ class Edit(gui_base_original.Modifier):
         elif objectType == "Part" and obj.TypeId == "Part::Cone":
             eps = edit_part.getPartConePts(obj)
 
+        elif objectType == "Part" and obj.TypeId == "Part::Sphere":
+            eps = edit_part.getPartSpherePts(obj)
+
         elif objectType == "Sketch":
             eps = edit_sketcher.getSketchPts(obj)
         
@@ -1072,6 +1075,9 @@ class Edit(gui_base_original.Modifier):
         elif objectType == "Part" and obj.TypeId == "Part::Cone":
             edit_part.updatePartCone(obj, nodeIndex, v)
 
+        elif objectType == "Part" and obj.TypeId == "Part::Sphere":
+            edit_part.updatePartSphere(obj, nodeIndex, v)
+
         obj.recompute()
 
 

src/Mod/Draft/draftguitools/gui_edit_part_objects.py

@@ -33,7 +33,8 @@ import FreeCAD as App
 import DraftVecUtils
 
 def get_supported_part_objects():
-    return ["Part", "Part::Line", "Part::Box", "Part::Cylinder", "Part::Cone"
+    return ["Part", "Part::Line", "Part::Box", 
+            "Part::Sphere", "Part::Cylinder", "Part::Cone"
             ]
 
 # PART::LINE--------------------------------------------------------------
@@ -91,11 +92,13 @@ def updatePartCylinder(obj, nodeIndex, v):
     if nodeIndex == 0:
         obj.Placement.Base = obj.Placement.Base + v
     elif nodeIndex == 1:
-        obj.Radius = v.Length
+        if v.Length > 0.0:
+            obj.Radius = v.Length
     elif nodeIndex == 2:
         _vector = DraftVecUtils.project(v, App.Vector(0, 0, 1))
         obj.Height = _vector.Length
 
+
 # Part::Cone --------------------------------------------------------------
 
 def getPartConePts(obj):
@@ -117,3 +120,19 @@ def updatePartCone(obj, nodeIndex, v):
     elif nodeIndex == 3: # Height is last to have the priority on the radius
         _vector = DraftVecUtils.project(v, App.Vector(0, 0, 1))
         obj.Height = _vector.Length
+
+
+# Part::Sphere --------------------------------------------------------------
+
+def getPartSpherePts(obj):
+    editpoints = []
+    editpoints.append(App.Vector(0, 0, 0))
+    editpoints.append(App.Vector(obj.Radius, 0, 0))
+    return editpoints
+
+def updatePartSphere(obj, nodeIndex, v):
+    if nodeIndex == 0:
+        obj.Placement.Base = obj.Placement.Base + v
+    elif nodeIndex == 1:
+        if v.Length > 0.0:
+            obj.Radius = v.Length # TODO: Perhaps better to project on the face?