I've got a working solution for this now in case anyone else is interested.
I created a replacement for TableTag (uncreatively called Table2Tag) which is implemented as an interating tag. Due to the nature of the internals I also created a ColumnAddition tag where the additional information is put. This tag's body will be rendered after its corresponding column's body.
An example might help:
<display:table width="75%" name="schools" export="true">
<display:column title=""/> <display:column property="name" sort="true"/> <display:column property="description" sort="true"/>
<display:columnAddition property="description">
Located in
<bean:write name="current_row" property="address.city"/>');"
</display:columnAddition></display:table>
In this example we're displaying the city in which the school is located by asking bean:write to execute schoolInstance.getAddress().getCity()
You can find a patchfile, a tarball of patched source and the original source at http://www.tragus.org/~jcej/display-taglib/
I think it would make a worthwhile addition to the existing distribution. Please let me know what you think.
Later, J
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