PartDesign: Enable manual alignment tool for PartDesign features

src/App/GeoFeature.cpp

@@ -47,3 +47,10 @@ GeoFeature::GeoFeature(void)
 GeoFeature::~GeoFeature(void)
 {
 }
+
+void GeoFeature::transformPlacement(const Base::Placement &transform)
+{
+    Base::Placement plm = this->Placement.getValue();
+    plm = transform * plm;
+    this->Placement.setValue(plm);
+}

src/App/GeoFeature.h

@@ -46,6 +46,8 @@ public:
     /// Constructor
     GeoFeature(void);
     virtual ~GeoFeature();
+
+    virtual void transformPlacement(const Base::Placement &transform);
 };
 
 } //namespace App

src/Gui/ManualAlignment.cpp

@@ -1016,9 +1016,7 @@ void ManualAlignment::alignObject(App::DocumentObject *obj)
 {
     if (obj->getTypeId().isDerivedFrom(App::GeoFeature::getClassTypeId())) {
         App::GeoFeature* geom = static_cast<App::GeoFeature*>(obj);
-        Base::Placement plm = geom->Placement.getValue();
-        plm = this->myTransform * plm;
-        geom->Placement.setValue(plm);
+        geom->transformPlacement(this->myTransform);
     }
 }
 

src/Mod/PartDesign/App/FeatureSketchBased.cpp

@@ -116,6 +116,19 @@ void SketchBased::positionBySketch(void)
     }
 }
 
+void SketchBased::transformPlacement(const Base::Placement &transform)
+{
+    Part::Part2DObject *sketch = static_cast<Part::Part2DObject*>(Sketch.getValue());
+    if (sketch && sketch->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
+        Part::Feature *part = static_cast<Part::Feature*>(sketch->Support.getValue());
+        if (part && part->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
+            part->transformPlacement(transform);
+        else
+            sketch->transformPlacement(transform);
+        positionBySketch();
+    }
+}
+
 Part::Part2DObject* SketchBased::getVerifiedSketch() const {
     App::DocumentObject* result = Sketch.getValue();
     if (!result)

src/Mod/PartDesign/App/FeatureSketchBased.h

@@ -57,6 +57,10 @@ public:
      *  or its support if it has one
       */
     void positionBySketch(void);
+    /** applies a transform on the Placement of the Sketch or its
+     *  support if it has one
+      */
+    virtual void transformPlacement(const Base::Placement &transform);
 
     /// Verifies the linked Sketch object
     Part::Part2DObject* getVerifiedSketch() const;