The 4.0 implementation of connected parameter properties is very, very
smart. It's not like 3.0, where you had to worry about parameter
"direction". It's designed to Just Work (tm).

On 8/16/05, Jesse Kuhnert <[EMAIL PROTECTED]> wrote:
> Ahhh...Nevermind. Everything works as expected. :/ ......
> 
> On 8/16/05, Jesse Kuhnert <[EMAIL PROTECTED]> wrote:
> > I'm having a little trouble getting my head around this one.
> >
> > I've got a component, A , which has a paramter binding to an object.
> >
> > This binding is a property of Page p that contains component A. Page p
> > sets this parameters binding to be that of the pages property.
> >
> > Selecting and updating this property works wonderfully, so long as the
> > property is updated within a listener method of the page itself. If
> > however, a listener method (direct) is invoked on component A, and
> > component A attempts to update the property on itself (hoping that
> > bindings are magical I assume) the change is not seen or persisted
> > within the pages binding.
> >
> > Does component A need to reference an IBinding for getting and
> > updating its property instead of the actual object in order to be able
> > to update the value? Or...Is it because the object bound to the
> > components property didn't exist on the initial render so the logic
> > doesn't recognize any updates made?
> >
> > This is very non-obvious behaviour as far as I can tell. I've also
> > tried specifying cache="false" on the components parameter. I know I
> > could hack something in to get a reference to the containing
> > page....Or perhaps call commitPageChanges() ? No idea.
> >
> > jesse
> >
> 
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-- 
Howard M. Lewis Ship
Independent J2EE / Open-Source Java Consultant
Creator, Jakarta Tapestry
Creator, Jakarta HiveMind

Professional Tapestry training, mentoring, support
and project work.  http://howardlewisship.com

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