Igor Vaynberg wrote:
your list consists of Items, but the model object that the choice component is bound to is a String. wicket expects the model object's type be the same as the item type in the list, thus the problem.

I told you my brain was getting fuzzy.

> [ ...]

either change your model to contain an item, or write a model that will convert from id to the object, kinda like the inverse of the choice renderer.

Thank you. I had just gotten to that realization. I was in the middle of writing an email to explain my findings. I didn't say it half as well as you, though, so I think I'll scrap it.

I'm still trying to figure out the best way to proceed. I really like having my model be a thin wrapper around my POJO, but that POJO is itself a wrapper around a set of Strings supplied by a mainframe program. So I don't really have a very semantic model, and can't easily use a more meaningful class than String. I guess that leaves me with making the wrapper model a bit thicker.

Are there any good examples of adapter models such as you describe?

  -- Scott




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