[Seaside] Problem with calling owner from decoration

Lukas Renggli renggli at gmail.com
Tue Oct 28 22:38:15 UTC 2008

#addValidatedForm answers the added decoration, as all add decoration
methods do. You need to append a ; yourself.


On 10/28/08, Julian Fitzell <jfitzell at gmail.com> wrote:
> On Mon, Oct 27, 2008 at 11:27 AM, M. Polák <nigol at nigol.cz> wrote:
>> I must apolgize myself, I replied for Dario's mail, but I wanted new
>> thread.
>> So once again. Thanks.
>> Hi there,
>> I have a component with method editAction like this:
>> | ar |
>>        ar := self
>>                                call: ((self article descriptionEdit
>> asComponentOn: self article)
>>                                                addValidatedForm.
>>        ar
>>                ifNotNil: [self article copyFrom: ar]
>> When I call this method directly from this component, editor is rendered
>> succesfully. But when i wrap component with decoration, where
>> renderContentOn looks like:
>> html anchor
>>                callback: [self owner editAction];
>>                 with: 'edit'.
>>        self renderOwnerOn: html
>> after clicking on 'edit', nothing happens. Except reloading page, of
>> course.
>> Any suggestions here?
> Hmm... I'm not exactly sure, except to say that this pattern seems a
> little strange to me somehow. Nothing jumps out immediately as to why
> it isn't working though.
> Beware of #owner, though. It is badly named (following a refactoring
> some time ago). It return the *next* item in the Decoration chain,
> which is only the Component if this is the last Decoration. That can't
> be your problem, though, because you'd presumably get an error that
> #editAction was not understood.
> Try putting a halt in your callback to make sure that the callback is
> actually being called. If so, then it must be some interaction between
> your Decoration and the WADelegation that is added by the call:, but
> as I said, I can't immediately see just from looking at your code,
> what that problem is. You'll need to put a halt in somewhere and
> inspect the decoration chain to see what's happening.
> Or, maybe somebody else on the list can spot the problem right off...
> Julian
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Lukas Renggli

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