+ /// Call back forlast tuning of property panel before operation performance\r
+ /// It is called as on clearing of property panel as on filling with new widgets\r
+ virtual void propertyPanelDefined(ModuleBase_Operation* theOperation) {}\r
+\r
+ //! Returns True if there are available Undos and there is not an active operation\r
+ virtual bool canUndo() const;\r
+\r
+ //! Returns True if there are available Redos and there is not an active operation\r
+ virtual bool canRedo() const;\r
+\r
+ /// Returns whether the object can be displayed. The default realization returns true.\r
+ /// \param theObject a model object\r
+ virtual bool canDisplayObject(const ObjectPtr& theObject) const;\r
+\r
+ /// Reacts to the delete action in module\r
+ /// \returns true if the action is processed\r
+ virtual bool deleteObjects() { return false; };\r
+\r
+ /// Returns a list of modes, where the AIS objects should be activated\r
+ /// \param theModes a list of modes\r
+ virtual void activeSelectionModes(QIntList& theModes) {};\r
+\r
+public slots:\r
+ /// Called on call of command corresponded to a feature\r
+ void onFeatureTriggered();\r
+\r
+ /// Slolt called on object display\r
+ /// \param theObject a data object\r
+ /// \param theAIS a presentation object\r
+ virtual void onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS) {}\r
+\r
+ /// Slot called on before object erase\r
+ /// \param theObject a data object\r
+ /// \param theAIS a presentation object\r
+ virtual void onBeforeObjectErase(ObjectPtr theObject, AISObjectPtr theAIS) {}\r
+\r
+protected slots:\r
+ /// Called on selection changed event\r
+ virtual void onSelectionChanged() {}\r
+\r