+ //! Returns current viewer
+ virtual ModuleBase_IViewer* viewer() const = 0;
+
+ //! Returns currently active operation
+ virtual ModuleBase_Operation* currentOperation() const = 0;
+
+ //! Returns AIS opbject by data object
+ virtual AISObjectPtr findPresentation(const ObjectPtr& theObject) const = 0;
+
+ //! Returns data object by AIS
+ virtual ObjectPtr findPresentedObject(const AISObjectPtr& theAIS) const = 0;
+
+ //! Select features clearing previous selection.
+ //! If the list is empty then selection will be cleared
+ virtual void setSelected(const QList<ObjectPtr>& theFeatures) = 0;
+