+ /// Activates widgets by preselection if it is accepted. Emits signal if the activation is correct
+ virtual void activateByPreselection();
+
+ /// If the operation works with feature which is sub-feature of another one
+ /// then this variable has to be initialised by parent feature
+ /// before operation feature creating
+ void setParentFeature(CompositeFeaturePtr theParent);
+
+ /// \return Installed parent feature (can be NULL)
+ CompositeFeaturePtr parentFeature() const;
+