W3C home > Mailing lists > Public > public-forms@w3.org > August 2008

Re: Allow xf:setfocus with no @control to set the focus to the event target

From: Erik Bruchez <ebruchez@orbeon.com>
Date: Tue, 12 Aug 2008 16:57:31 -0700
Message-Id: <E912AFDF-5E37-4388-9459-C738D487025D@orbeon.com>
To: "public-forms (new)" <public-forms@w3.org>

A solution would be to return the id if it exists. Then this would  
work for controls that have ids.

-Erik

On Aug 12, 2008, at 4:46 PM, John Boyer wrote:

>
> Hi Erik,
>
> Yes, but the datatype for the control attribute is IDREF.  Something  
> similar would be good though:
>
> <setfocus>
>    <control value="event(blah)"/>
> </setfocus>
>
> Cheers,
> John M. Boyer, Ph.D.
> Senior Technical Staff Member
> Lotus Forms Architect and Researcher
> Chair, W3C Forms Working Group
> Workplace, Portal and Collaboration Software
> IBM Victoria Software Lab
> E-Mail: boyerj@ca.ibm.com
>
> Blog: http://www.ibm.com/developerworks/blogs/page/JohnBoyer
> Blog RSS feed: http://www.ibm.com/developerworks/blogs/rss/JohnBoyer?flavor=rssdw
>
>
>
>
> From:
> Erik Bruchez <ebruchez@orbeon.com>
> To:
> "public-forms (new)" <public-forms@w3.org>
> Date:
> 08/12/2008 03:10 PM
> Subject:
> Re: Allow xf:setfocus with no @control to set the focus to the  
> event  target
>
>
>
>
>
> Not a huge fan of it either, hence my reference to the way we do it in
> our implementation. [1]
>
> -Erik
>
> [1] http://lists.w3.org/Archives/Public/public-forms/2008Aug/0017.html
>
> On Aug 12, 2008, at 2:01 PM, John Boyer wrote:
>
> >
> > I thought the point of the ID magic was exactly so that you didn't
> > have to think about it.
> > It just does intelligently what is most likely what the form author
> > meant.
> >
> > Does it really make sense to try to focus the event target?  What if
> > a sequence of actions is grouped together and invoked from multiple
> > locations using dispatch?
> >
> > It seems an odd thing to see <setfocus/> without any indication of
> > what the focus is being set to.
> >
> > -1 from me.
> >
> > John M. Boyer, Ph.D.
> > Senior Technical Staff Member
> > Lotus Forms Architect and Researcher
> > Chair, W3C Forms Working Group
> > Workplace, Portal and Collaboration Software
> > IBM Victoria Software Lab
> > E-Mail: boyerj@ca.ibm.com
> >
> > Blog: http://www.ibm.com/developerworks/blogs/page/JohnBoyer
> > Blog RSS feed: http://www.ibm.com/developerworks/blogs/rss/JohnBoyer?flavor=rssdw
> >
> >
> >
> >
> > From:
> > Ulrich Nicolas Lissť <unl@dreamlab.net>
> > To:
> > Mark Birbeck <mark.birbeck@webbackplane.com>
> > Cc:
> > public-forms <public-forms@w3.org>
> > Date:
> > 08/12/2008 01:04 PM
> > Subject:
> > Re: Allow xf:setfocus with no @control to set the focus to the
> > event  target
> >
> >
> >
> >
> >
> > Mark,
> >
> > +1 from me. Makes it easy to set focus within repeats without
> > needing to
> > understand id magic.
> >
> > Regards,
> > Uli.
> >
> > Mark Birbeck wrote:
> > > Hello all,
> > >
> > > I was just looking something up in the spec, and noticed that if
> > > @control is omitted from the use of xf:setfocus then nothing
> > happens.
> > >
> > > It occurred to me that omitting @control and defaulting to the  
> event
> > > target might actually be a useful pattern.
> > >
> > > This example is a little contrived, because I've only just thought
> > of
> > > the whole thing, but bear with me....
> > >
> > > Ordinarily, setting focus on a control when it is invalid could be
> > > done like this:
> > >
> > >   <xf:input id="me" ref="x">
> > >     <xf:label>X:</xf:label>
> > >     <xf:setfocus control="me" ev:event="xforms-invalid" />
> > >   </xf:input>
> > >
> > > But that requires naming the control with an @id, and then  
> ensuring
> > > that the @control value and the control name are in sync. An  
> easier
> > > and more maintainable way would be:
> > >
> > >   <xf:input ref="x">
> > >     <xf:label>X:</xf:label>
> > >     <xf:setfocus ev:event="xforms-invalid" />
> > >   </xf:input>
> > >
> > > If people don't like simply omitting @control, an alternative
> > would be:
> > >
> > >   <xf:input ref="x">
> > >     <xf:label>X:</xf:label>
> > >     <xf:setfocus control="" ev:event="xforms-invalid" />
> > >   </xf:input>
> > >
> > > Regards,
> > >
> > > Mark
> > >
> >
> > --
> > Ulrich Nicolas Lissť
> >
> >
> >
> >
>
> --
> Orbeon Forms - Web Forms for the Enterprise Done the Right Way
> http://www.orbeon.com/
>
>
>
>

--
Orbeon Forms - Web Forms for the Enterprise Done the Right Way
http://www.orbeon.com/
Received on Tuesday, 12 August 2008 23:58:20 UTC

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