15.3.6 Handling interaction
Mondrian allows for the specification of interaction. This is achieved through the Announcer class.
view interaction popupText: [:each | "..."].
view interaction popupView: [:each :aview | "..." ].
view interaction item: 'Menu item title' action: [:each | "computation" ].
view interaction menu: [ :each | "computation that returns a MenuMorph" ].
examples for popups and menu