+ /// Update state of pop-up menu items in viewer
+ /// \param theStdActions - a map of standard actions
+ virtual void updateViewerMenu(const QMap<QString, QAction*>& theStdActions);
+
+ //! Returns the feature error if the current state of the feature in the module is not correct
+ //! If the feature is correct, it returns an empty value
+ //! \return string value
+ virtual QString getFeatureError(const FeaturePtr& theFeature);
+