Hi Chris,
> Is there anyway to make a trigger not visible - not not enabled, plain not
> there. I know if you use ref='..' you can bind it to be visible when an
> element is there, but I want it to be invisble when I want. Reason being I
> have add / remove buttons and only want the add to show when there is no
> element, and remove to show when is the element there.
you can use an arbitrary xpath expression as condition for the ref when
using it as predicate. I have similar cases where i put a simple
calculation in the ref attribute:
<xforms:trigger ref=".[count(metadaten/norm) < 1]">>
<xforms:label>add</xforms:label>
<xforms:insert ev:event="DOMActivate" context="metadaten" ... />
</xforms:trigger>
If there's no element metadaten/norm, then the add trigger is displayed,
else not. The remove trigger needs the contrary xpath calculation. Using
this syntax, you're quite flexible with displaying or hiding controls.
HTH
florian
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