Maybe L (which contains F) just needs to use: @Persist("cookie") private String filterValue
Downsides might be it's not bookmarkable, and the client-side state persists beyond the page. On 26/03/2014, at 11:47 AM, Geoff Callender wrote: > Sorry, but I've read the solution below 10 times now and it hurts my head > every time! :-) I don't see how it gets around the problem that when E is > AJAX-submitted, the server-side elements can find ways to prod L to refresh > but they cannot tell L the current value of F. The server-side doesn't know > the current value of F, unless we make the server-side stateful (no thank > you), or we somehow include the value of F in every request. > > What I'm aiming for is a solution which works declaratively. You know, where > you don't see the plumbing. Just like @ActivationRequestParameter, but at the > component level. > > On 21/03/2014, at 2:35 AM, Lance Java wrote: > >> I'm imagining the pub sub would work like... >> >> public class L { >> @Inject >> private Publisher publisher; >> >> @Inject >> private Block someBlock; >> >> /** >> * Fired when the select menu changes >> */ >> public Object onFilterChange(Entity entity) { >> publisher.publish("changeEntity", entity); >> return someBlock; >> } >> } >> >> public class E { >> @Inject >> private AjaxResponseRenderer ajaxResponseRenderer; >> >> @Inject >> private Zone someZone; >> >> @Property >> private Entity entity; >> >> @Subscribe(topic="changeEntity") >> void subscribeChangeEntity(Entity entity) { >> this.entity = entity; >> ajaxResponseRenderer.addRender(someZone; >> } >> } > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tapestry.apache.org For additional commands, e-mail: dev-h...@tapestry.apache.org