+ //! Return the shape from the viewer presentation.
+ //! If the shape is equal to the shape of selected object, it returns an empty shape
+ //! \param thePrs a selected object
+ //! \return a shape
+ MODULEBASE_EXPORT ResultPtr getResult(const ModuleBase_ViewerPrs& thePrs);
+
+ //! Return the shape from the viewer presentation.
+ //! If the shape is equal to the shape of selected object, it returns an empty shape
+ //! \param thePrs a selected object
+ //! \return a shape
+ MODULEBASE_EXPORT GeomShapePtr getShape(const ModuleBase_ViewerPrs& thePrs);
+
+ //! Return the IO from the viewer presentation.
+ //! \param thePrs a selected object
+ //! \return an interactive object
+ virtual MODULEBASE_EXPORT Handle(AIS_InteractiveObject) getIO(const ModuleBase_ViewerPrs& thePrs) = 0;
+
+ //! Wraps the object list into the viewer prs list
+ //! \param theObjects a list of objects
+ //! \return a list of prs, where only object is not empty
+ static MODULEBASE_EXPORT QList<ModuleBase_ViewerPrs> getViewerPrs(
+ const QObjectPtrList& theObjects);
+
+ /// Removes selection items where owners have equal vertices. The first
+ /// owner with the qual vertex stays in the list.
+ static MODULEBASE_EXPORT void filterSelectionOnEqualPoints
+ (QList<ModuleBase_ViewerPrs>& theSelected);
+private:
+ /// Returns true if the presentations have an owner with a vertex and these vertices are equal.
+ /// \param thePrs1 the first viewer selected presentation
+ /// \param thePrs2 the second viewer selected presentation
+ static bool isEqualVertices(const ModuleBase_ViewerPrs thePrs1,
+ const ModuleBase_ViewerPrs thePrs2);