Alex,
> I am trying to use a <select1> to control the appearance of items on
> a form. The idea is to have three options with the display showing
> something different depending on the option selected. For example:
>
> + Option1 O Option2 O Option3
> Label1: Input1
> Label2: Input2
>
> O Option1 + Option2 O Option3
> Label3: Input3
>
> O Option1 O Option2 + Option3
> Label4: Input4
>
> I have implemented the sub displays using a <switch> and first tried
> changing the display by detecting DOMActivate on the <item> and
> using a <toggle> as appropriate. This did not work.
>
> I then tried setting the selected attribute on each <case> using an
> xpath query that tested the value of the instance data that the
> <select1> is bound to. This has not worked either. (I do not know if
> this is possible or not, can selected only take true/false
> contstants or can it take anything that will avaluate to
> true/false?)
No, this is not possible: the @selected attribue has to be statically
defined.
> Can anyone think of any other way of doing this or is it not yet
> possible to implement this way.
Yes, use xforms:group and relevance:
<xforms:group ref=".[/my/option = 'option1']"
...
</xforms:group
<xforms:group ref=".[/my/option = 'option2']"
...
</xforms:group
<xforms:group ref=".[/my/option = 'option3']"
...
</xforms:group
-Erik
--
Orbeon - XForms Everywhere:
http://www.orbeon.com/blog/--
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