[Seaside] Re: Re: Re: Re: Ajax callback question: how
toupdatecomponenttreebefore #children gets called?
philippe.marschall at gmail.com
Sat Feb 9 10:04:14 UTC 2008
2008/2/9, Lukas Renggli <renggli at gmail.com>:
> > > 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 ;-)
Write a book about it ;-)
> > > Pay attention to use the right renderer. Even if it mostly works, I
> > > just noticed that there are some places where you use html within an
> > > AJAX callback.
> > Yikes! Even *I* should know better than to do that. A Lint smell?
> The latest version of Slime detects that kind of bug. Thanks for the idea.
> Lukas Renggli
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> seaside at lists.squeakfoundation.org
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