> > Dave Newton wrote:
> > > <tr class="<s:property value="%{getStatus(deviceID)}"/>">
> >
> > Minor addendum:
> >
> > IMO when iterating over a collection of model objects a
> status lookup
> > like this would be a matter of querying the device, rather than
> > providing a lookup based on the device ID.
> >
> > If device statuses need to be mapped to CSS classnames I'd pass the
> > device itself to a utility translation method rather than
> forcing the
> > translator to look up the device.
> >
> > This moves the generation of view-level data out of the
> device model,
> > eliminates the need to look up a device that already exists as a
> > model, and provides a measure of type safety (Java's OOP,
> after all).
> >
> > The utility class could be used as shown, or in a JSP-based custom
> > tag, which can significantly clean up the view layer
> depending on your
> > requirements and/or implementation.
> >
> > Dave
>
> I would like to do that, but if I have a Device object on the
> top of the value stack (or perhaps somewhere near the top),
> how would I grab that and pass it to the function? I just
> tried this and it didn't work:
>
> <tr class="<s:property value="%{getStatus([0])}" />">
>
> (after modifying the function to take a Device instead of an
> ID number).
Nevermind, I figured it out:
<s:iterator value="devices" var="dev">
<tr class="<s:property value="%{getStatus(#dev)}" />">
...
</tr>
</s:iterator>
Thanks for your suggestion!
~Jonathan
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