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notifying all the visible components before and after a request is received
by Martin Rubi
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Hi.
I'd like to notify all of the visible presenters
before and after a request is handled.
Conceptually, it would be something like
this:
-------
MySession>>handleRequest:
aRequest
"This is not code, only an intention of what I would like to do"
"This is not code, only an intention of what I would like to do"
| answer |
self root visiblePresentersDo: [:each | each
beforeRequestHandling].
answer := super handleRequest:
aRequest.
self root visiblePresentersDo: [:each | each
afterRequestHandling].
^answer
-------
the reason to do that is that I have some
WAComponents of mine which have to lock a resource during the rendering and the
callbacks handling. Right now, I'm locking and releasing the resource every time
I need to (for instance, in the #renderContentOn: method, but also inside every
callback), but I would prefer each component to do it automatically during each
request, so I can fogert about it.
The question is: can something like that be done (I
mean, would it work for scriptacolous callbacks too and that sort of
things) ? And if it is, where and how should I do it ?
thanks in advance
martin
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