ComponentRequestTarget re-renders components which have already been
rendered during the full page render. We only recently fixed a bug to
allow Panel children to be re-rendered as well. Because you are
re-rendering a Panel that bug should not affect you, but because of
the change I'd still suggest to use cvs head.
This may be part of my problem - the component being passed in to the
handler has never been rendered before - part of the advantage of using
an additional click/AJAX is that I don't have to do the extra query
until the user asks for it. I was trying to achieve that by creating a
component that would be rendered for the first time when the AJAX
request was complete.
The core problem is that I have never rendered the component before, I
think. Is there a way to achieve this? Effectively, I want to send the
HTML result of my component render to the user on an AJAX bind call.
Perhaps I am missing some of the puzzle for using deferred AJAX calls
using the AjaxHandler. I dug through the contrib-dojo stuff - and the
only one that handles a callback completely is the Validation stuff, and
it simply returns a valid/invalid plain text mime-type result.
Because ListItems can always be re-created on the fly, they are
removed by default for memory efficiency (and cluster bandwidth)
reasons. Hence attaching the handler to a ListItem which than gets
removed (and rebuild without your handler) might cause the exception.
ListView.setOptimizedItemRemoval(true) avoids the list item removal.
That's good to remember, although I don't necessarily think I have to
have it bound to the list item; it could be bound to almost anything.
The model will be detachable anyway.
Sorry, but that is all that comes into my mind. In case you don't find
a solution, send us the (stripped down) source code and we try to find
the problem.
Juergen
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