DynamicMenuContent (NetBeans UI Utilities API) - NetBeans API Javadoc 5.0.0

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org.openide.awt
Interface DynamicMenuContent

All Known Implementing Classes:: Actions.MenuItem, Actions.SubMenu, JInlineMenu

public interface DynamicMenuContent

Dynamic result of a Presenter.Menu or Presenter.Popup. If the presenters return an instance of DynamicMenuContent, then the framework code will use it's methods to populate the menu and keep it uptodate.

Since:: org.openide.awt 6.5

Method Summary

JComponent[] getMenuPresenters()
Create main menu/popup menuitems.

JComponent[] synchMenuPresenters(JComponent[] items)
update main menu presenters.

Method Detail

getMenuPresenters

public JComponent[] getMenuPresenters()

Create main menu/popup menuitems. Null values will be later replaced by JSeparators. This method is called for popups and for menus. It's called each time a popup menu is contructed and just once for the main menu. Main menu updates happen through the synchMenuPresenters() method. If you want different behaviour for menu and popup, use a different implementation returned by Presenter.Popup and Presenter.Menu.

synchMenuPresenters

public JComponent[] synchMenuPresenters(JComponent[] items)

update main menu presenters. This method is called only by the main menu processing.

Parameters:: items - the previously used menuitems returned by previous call to getMenuPresenters() or synchMenuPresenters()
Returns:: a new set of items to show in menu. Can be either an updated old set of instances or a completely new one.