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nested repeat by reference

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Teun van Eijsden

nested repeat by reference

If i have xml data like this:

</root>

and i want a nested repeat like this:

<xforms:repeat nodeset="/rootrefs/ref" id="ref-repeat">

<xforms:repeat nodeset="/root/values/value[@refid=index('ref-repeat')]" id="ref-repeat">

</xforms:repeat>

This doesn't work. The index('ref-repeat') does not hold the value i expect, but always returns 1.

How do i do this?

Teun

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Erik Bruchez

Re: nested repeat by reference

Administrator

Teun,

> If i have xml data like this:
>
> <root>
> <refs>
> <ref id="r1" title"Banana"/>
> <ref id="r2" title"Apple"/>
> </refs>
> <values>
> <value refid="r1">1</value>
> <value refid="r1">34</value>
> <value refid="r2">234</value>
> </values>
> </root>
>
> and i want a nested repeat like this:
>
> <xforms:repeat nodeset="/rootrefs/ref" id="ref-repeat">
> <xforms:repeat
> nodeset="/root/values/value[@refid=index('ref-repeat')]" id="ref-repeat">
> </xforms:repeat>
> </xforms:repeat>
> This doesn't work. The index('ref-repeat') does not hold the value i
> expect, but always returns 1.
> How do i do this?

You may want to try the xxforms:repeat-current() function:

<xforms:repeat nodeset="/root/refs/ref" id="ref-repeat">
<xforms:repeat
nodeset="/root/values/value[@refid
= xxforms:repeat-current('ref-repeat')/@id]"
id="ref-repeat">
</xforms:repeat>
</xforms:repeat>

The index() function returns the repeat index, which is the index of the
iteration currently selected in the UI.

This use case should be solved better in the future with variables.

-Erik

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