An extension of the DisplayAction interface that introduces a hierarchy (tree) structure.
This allows a DisplayAction to become an arbitrary tree of items. If displayed in a menu,
the DisplayActionSet is either a popup item (if isPopup() returns true), or it is displayed as
a flat list of items between separators. If displayed as a button (in an option dialog), the
DisplayActionSet defines a button with a popup menu on it. Note that the 'invoke()' method will
never be called in a DisplayActionSet.
IMPLEMENTED BY THE COMPONENT AUTHOR - This interface is designed to be implemented by
the component (bean) author.
author: Joe Nuxoll version: 1.0 |