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From Bruno Dumon <>
Subject Re: [Woody patch] Class, New, Struct, and Union widgets
Date Mon, 24 Nov 2003 18:50:26 GMT
On Mon, 2003-11-24 at 06:27, Timothy Larson wrote:
> --- Bruno Dumon <> wrote:
> ...slow operation on deeper nesting levels...
> > Don't have any either (damn that optimizeit thing is expensive), but
> > suddenly the thought crossed my mind that this might be caused by the
> > calls to getFullyQualifiedId(), and adding some little caching code
> > there solved it indeed.
> Thanks.  I fixed one or two other methods like that, but missed that one.

Be careful though, since it's not possible to blindly cache those; as
for a repeater these can change if rows are removed. Maybe resetting the
cached value at the start of readFromRequest would be enough to solve

> > Another thing I noticed is that in Union.readFromRequest, you first let
> > the active case do the readFromRequest, and then call
> > super.readFromRequest, which will let all cases do the readFromRequest.
> > I don't think this is needed, and it solves the multiple row creation
> > problem in the repeaters. (same applies to validate() I gues)
> Good, that should also solve the problem of nested repeaters losing their
> state when the enclosing union switches cases.
> > Anyway, I'm starting to think that the easiest way to collaborate on
> > this is if we just commit the code into CVS. Anyone got a problem with
> > that?
> Sounds good, as long as nobody hesitates to change aspects of it as needed.
> For example, I have been wondering about changing the Union widget from a
> composite widget to a container widget.  The union could have an attribute
> which specifies which widget would act as the discriminant, or it could
> evaluate a general expression, which could reference other widgets, to
> produce the discriminant value.  See my next email about subforms for the
> reason for this possible change.

still marked as unread :-)

Bruno Dumon                   
Outerthought - Open Source, Java & XML Competence Support Center                

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