Bind within Repeat?

I know a repeat can have a "bind" attribute, but is it possible for a
control inside a repeat to use a "bind" attribute as well?

I've been using "ref" attributes for my controls, but I'd like to use
the "bind" attribute because it provides a better separation between the
instance document and the controls, and because it allows me to control
when a control is relevant.

Thanks,
-Jim



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Yes it is possible. There is an algorithm of bind resolution, which  
should follow XForms 1.1:

   http://www.w3.org/TR/xforms11/#idref-resolve-repeat

This was implemented post-3.6.

-Erik

On Sep 17, 2008, at 12:00 PM, Jim Logan wrote:
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Erik Bruchez wrote:

Yes it is possible. There is an algorithm of bind resolution, which should follow XForms 1.1:

  http://www.w3.org/TR/xforms11/#idref-resolve-repeat

This was implemented post-3.6.

-Erik

Erik,

I found that section really hard to understand, even after re-reading it several times, so I just experimented. Unfortunately, I can't get this to work.

I have these two binds:

<xforms:bind id="person" nodeset="instance('people')/Actors:Person"/>
<xforms:bind id="name" nodeset="instance('people')/Actors:Person/rdfs:label"/>

then I have a repeat using bind="person" and a control inside that repeat using bind="name". That yields the same label over and over again.

I also tried making the bind with id="name" a relative XPath expression, but that yields blanks.

If the control inside the repeat uses ref="rdfs:label" instead of bind="name", it works fine. What am I doing wrong?

Thanks,
-Jim





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> I have these two binds:
> <xforms:bind id="person" nodeset="instance('people')/Actors:Person"/>
> <xforms:bind id="name" nodeset="instance('people')/Actors:Person/
> rdfs:label"/>
> then I have a repeat using bind="person" and a control inside that  
> repeat using bind="name". That yields the same label over and over  
> again.

You need to nest the binds like this:

<xforms:bind id="person" nodeset="instance('people')/Actors:Person">
     <xforms:bind id="name" nodeset="rdfs:label"/>
</xforms:bind>

-Erik

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