I am a bit lost. Should I perhaps abandon the idea of
flattening multiple
objects into a single form?
Personally I've never really used the internal editors.
What I usually do in such situations is to build individual components
(without buttons and validation) for the the different objects and
then present these components from a normal Seaside component.
Another possibility is to build a single flat description consisting
the descriptions of multiple objects. Search the mailing list on how
to build such a composite description. This sometimes works well.
Lukas
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Lukas Renggli
http://www.lukas-renggli.ch