/// else, or if there is no parent - returns NULL
ModuleBase_Operation* previousOperation(ModuleBase_Operation* theOperation) const;
+ /// Returns an active widget of the current operation.
+ /// \return widget or NULL
+ ModuleBase_ModelWidget* activeWidget() const;
+
/// Start the operation and append it to the stack of operations
/// \param theOperation the started operation
/// \return the state whether the current operation is started