On Mon, 14 Jan 2008, Beyonder Unknown wrote:
> I was wondering what is the best practice when referencing components inside
> an onClick/onSubmit. Normally:
>
> public void onClick(AjaxRequestTarget target) {
> //do things here.
> //update these components.
> target.addComponent(panelA);
> target.addComponent(panelB);
>
> }
>
> But what if you don't have direct access to PanelA or PanelB?
As far as I know, there is currently no single recommended
way of doing this. We've tried abstract callback methods and
different ajax-update-listener objects but have found all of
them left wanting.
Sometimes something like this
getPage().visitChildren(PanelA.class, new IVisitor() {
... target.addComponent(component);
...
}
might work and we've used a more generic solution along
those lines as well.
You can also search the list on this, one thread was called
something like "inter component events".
Best wishes,
Timo
--
Timo Rantalaiho
Reaktor Innovations Oy <URL: http://www.ri.fi/ >
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