This interface defines the methods that all menus and toolbars must implement.
This interface defines the method that menus and toolbars must implement to manage zoom.
This class defines the constants used to identify the actions invoked by the user.
This class implements the basic features of a class that assists to another to manage various menus and toolbars.
This class implements the methods to modify the state and texts of the components of the menus and toolbars.