Part: make reverse function parametric

src/Mod/Part/App/AppPart.cpp

@@ -487,12 +487,13 @@ PyMOD_INIT_FUNC(Part)
     Part::Offset2D              ::init();
     Part::Thickness             ::init();
     Part::Refine                ::init();
+    Part::Reverse               ::init();
 
     // Geometry types
-    Part::GeometryExtension	  ::init();
-    Part::GeometryIntExtension	  ::init();
+    Part::GeometryExtension       ::init();
+    Part::GeometryIntExtension    ::init();
     Part::GeometryStringExtension ::init();
-    Part::GeometryBoolExtension	  ::init();
+    Part::GeometryBoolExtension   ::init();
     Part::GeometryDoubleExtension ::init();
     Part::Geometry                ::init();
     Part::GeomPoint               ::init();

src/Mod/Part/App/PartFeatures.cpp

@@ -694,3 +694,29 @@ App::DocumentObjectExecReturn *Refine::execute(void)
         return new App::DocumentObjectExecReturn(e.GetMessageString());
     }
 }
+
+// ----------------------------------------------------------------------------
+
+PROPERTY_SOURCE(Part::Reverse, Part::Feature)
+
+Reverse::Reverse()
+{
+    ADD_PROPERTY_TYPE(Source, (0), "Reverse", App::Prop_None, "Source shape");
+}
+
+App::DocumentObjectExecReturn* Reverse::execute(void)
+{
+    Part::Feature* source = Source.getValue<Part::Feature*>();
+    if (!source)
+        return new App::DocumentObjectExecReturn("No part object linked.");
+
+    try {
+        TopoDS_Shape myShape = source->Shape.getValue();
+        if (!myShape.IsNull())
+            this->Shape.setValue(myShape.Reversed());
+        return App::DocumentObject::StdReturn;
+    }
+    catch (Standard_Failure & e) {
+        return new App::DocumentObjectExecReturn(e.GetMessageString());
+    }
+}

src/Mod/Part/App/PartFeatures.h

@@ -173,6 +173,25 @@ public:
     //@}
 };
 
+class Reverse : public Part::Feature
+{
+    PROPERTY_HEADER(Part::Reverse);
+
+public:
+    Reverse();
+
+    App::PropertyLink Source;
+
+    /** @name methods override feature */
+    //@{
+    /// recalculate the feature
+    App::DocumentObjectExecReturn* execute(void);
+    const char* getViewProviderName(void) const {
+        return "PartGui::ViewProviderReverse";
+    }
+    //@}
+};
+
 } //namespace Part