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Re: Question about nested XForms actions and ev:observer

From: Erik Bruchez <ebruchez@orbeon.com>
Date: Mon, 19 May 2008 10:11:21 -0700
Cc: www-html-editor@w3.org
Message-Id: <0B968191-FCF1-451C-83D7-564B82447210@orbeon.com>
To: "public-forms (new)" <public-forms@w3.org>

Mark,

Great clarification, thanks!

-Erik

On May 18, 2008, at 7:37 AM, Mark Birbeck wrote:

> Hi Erik,
>
>> That sounds reasonable. Is it correct to say that, assuming XHTML 
>> +XForms,
>> the ev:* attributes are expected to be *always* honored on XForms  
>> action
>> elements, *except* if they are present on elements within inline  
>> instances?
>
> I suppose you could say that. But I think what we have is more that
> the ev:* attributes are used *initially* to register all of the
> handlers, but from then on they don't feature in the processing.
> (Actually, when XML Events 2 is used, you'll get conditional
> processing from an ev:* attribute, but that isn't relevant here.)
>
> So, once every has been set up, then when the outer handler is
> invoked, it simply 'executes' each of its children--and you might as
> well have removed the attributes, for all the impact they will have on
> that processing.
>
> And on the inner handlers, as John says, when they are invoked in
> response to their events, they act just as is if they are outer
> handlers. And as before, their attributes are also no longer relevant.
>
> So I would see them more as instructions to register handlers, but
> that have no impact on event processing. Then the whole inner/outer
> question just disappears.
>
> Regards,
>
> Mark
>
> -- 
> Mark Birbeck
>
> mark.birbeck@x-port.net | +44 (0) 20 7689 9232
> http://www.x-port.net | http://internet-apps.blogspot.com
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Received on Monday, 19 May 2008 17:12:09 GMT

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