Added Reversed button to Pocket UI if the sketch plane is a datum plane

src/Mod/PartDesign/App/Feature.cpp

@@ -34,8 +34,10 @@
 
 #include <Base/Exception.h>
 #include "App/Document.h"
+#include "App/Plane.h"
 #include "Body.h"
 #include "Feature.h"
+#include "Mod/Part/App/DatumFeature.h"
 
 #include <Base/Console.h>
 
@@ -106,4 +108,10 @@ const TopoDS_Shape& Feature::getBaseShape() const {
     return result;
 }
 
+bool Feature::isDatum(const App::DocumentObject* feature)
+{
+    return feature->getTypeId().isDerivedFrom(App::Plane::getClassTypeId()) ||
+           feature->getTypeId().isDerivedFrom(Part::Datum::getClassTypeId());
+}
+
 }

src/Mod/PartDesign/App/Feature.h

@@ -64,6 +64,8 @@ protected:
     /// Grab any point from the given face
     static const gp_Pnt getPointFromFace(const TopoDS_Face& f);
 
+    /// Check whether the given feature is a datum feature
+    static bool isDatum(const App::DocumentObject* feature);
 };
 
 } //namespace PartDesign

src/Mod/PartDesign/App/FeaturePocket.cpp

@@ -145,6 +145,9 @@ App::DocumentObjectExecReturn *Pocket::execute(void)
             TopoDS_Face supportface = getSupportFace();
             supportface.Move(invObjLoc);
 
+            if (Reversed.getValue())
+                dir.Reverse();
+
             // Find a valid face to extrude up to
             TopoDS_Face upToFace;
             if (method == "UpToFace") {

src/Mod/PartDesign/App/FeatureSketchBased.cpp

@@ -930,6 +930,14 @@ bool SketchBased::isParallelPlane(const TopoDS_Shape& s1, const TopoDS_Shape& s2
     return false;
 }
 
+bool SketchBased::isSupportDatum() const
+{
+    Part::Feature* SupportObject = getSupport();
+    if (SupportObject == NULL)
+        throw Base::Exception("No support in Sketch!");
+    return isDatum(SupportObject);
+}
+
 TopoDS_Shape SketchBased::refineShapeIfActive(const TopoDS_Shape& oldShape) const
 {
     Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()

src/Mod/PartDesign/App/FeatureSketchBased.h

@@ -73,15 +73,17 @@ public:
     Part::Feature* getSupport() const;
     /// Returns the sketch support shape (if any)
     const TopoDS_Shape& getSupportShape() const;
+    /// Check whether the sketch support is a datum plane
+    bool isSupportDatum() const;
 
     /// retrieves the number of axes in the linked sketch (defined as construction lines)
-    int getSketchAxisCount(void) const;
+    int getSketchAxisCount(void) const;    
 
 protected:
     void onChanged(const App::Property* prop);
     TopoDS_Face validateFace(const TopoDS_Face&) const;
     TopoDS_Shape makeFace(const std::vector<TopoDS_Wire>&) const;
-    TopoDS_Shape makeFace(std::list<TopoDS_Wire>&) const; // for internal use only
+    TopoDS_Shape makeFace(std::list<TopoDS_Wire>&) const; // for internal use only    
     bool isInside(const TopoDS_Wire&, const TopoDS_Wire&) const;
     bool isParallelPlane(const TopoDS_Shape&, const TopoDS_Shape&) const;
     bool isEqualGeometry(const TopoDS_Shape&, const TopoDS_Shape&) const;