Thanx guys... really good answers/feedback there. /Kalle
Frank van Lankvelt wrote: > > You could have a look at the "broadcaster" that is discussed in > https://issues.apache.org/jira/browse/WICKET-1312 > > The solution that is proposed there uses a visitor instead of > registration. That has the advantage that you don't have to > _unregister_ at the appropriate time. Because Wicket does not have > lifecycle management of components you would have to do this by hand. > Of course, if your components are never replaced, this is not an issue. > > cheers, Frank > > On Thu, 2008-05-08 at 18:15 -0700, Scott Swank wrote: >> e.g. >> >> public class AjaxEvent >> { >> private Set<Component> listeners = new HashSet<Component>(); >> >> public void register(Component listener) >> { >> listeners.add(listener); >> } >> >> public void fire(AjaxRequestTarget request) >> { >> for (Component listener : listeners) >> request.addComponent(listener); >> } >> } >> >> On Thu, May 8, 2008 at 6:07 PM, Scott Swank <[EMAIL PROTECTED]> >> wrote: >> > > Ajax >> > > >> > > 3. Now im working with more Ajax. What is a good inter component >> > > communication scheme? Swing has its listeners, but in wicket i tend >> to call >> > > methods on dependent components from ajax event handlers. Is this a >> good >> > > approach - (it atleast dont feel so good)? >> > >> > I try to have my components just be a view of their model. Then it's >> > just a matter of setting the model(s) appropriately and refreshing the >> > components. >> > >> > Alternately, create a AjaxEvent class that you subclass to represent >> > each of the actions in which you're interested. Put a collection of >> > those on your Page. Then have allow each component to register itself >> > as a listener of an event. Then an ajax call would result in >> > SomeAjaxEvent.fire(AjaxTargetRequest) and that would in turn call >> > addComponent() for each registered listener component. >> > >> > - Scott >> > >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> > -- > ------------------------------------------------------------- > Amsterdam - Hippo B.V. Oosteinde 11 1017 WT Amsterdam +31(0)20-5224466 > San Francisco - Hippo USA Inc. 101 H Street, suite Q Petaluma CA > 94952-3329 +1 (707) 773-4646 > ------------------------------------------------------------- > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/Good-wicket-patterns-tp17139005p17148622.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
