[Seaside] Re: Re: Re: Re: Ajax callback question: how
toupdatecomponenttreebefore #children gets called?
cdrick65 at gmail.com
Sat Feb 9 12:54:56 UTC 2008
> > > Callbacks are normally processed in the context of the component that
> > > defines them (the owner).
> > ... the component that presents a callback need not be the one that
> > "defined/owns" it. Not so much "homeless", more like "bind-and-relocate"
> > (bind: r1 or r2, relocate: from house to r1, r2).
> Yes, why not. The updater could be written like:
> html updater
> id: TheTabTestPanel id;
> callback: [:r |
> r withOwner: anotherComponent do: [
> anotherComponent add: (SUCounterTest new) label: 'another'.
> anotherComponent renderBodyOn: r ] ]);
> with: 'AJAX add from nested SUCounter' ]
> The question is rather, if I want to explain that to anybody ;-)
Maybe the TabTestPanel could go in the examples as a start ?
Would you plan adding this feature ? Is it complementary to the
homeless callback ?
Maybe changing the callback method name would help to understand.,
maybe having a keyword (#callback:inComponent:).
Anyway, thanks for the explanation and discussion. This is always interesting :)
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