I know :) I was already writing like that. Didn't check on Martijn yet
though. But our documentation is also in the examples. Maybe I'll put
a couple of notes in them here and there.
Eelco
On 1/20/06, Johan Compagner <[EMAIL PROTECTED]> wrote:
> I agree that compound models are Lesson 2+ of the models part!
> But you are writting the book so .... :)
>
> johan
>
>
>
> On 1/20/06, Eelco Hillenius < [EMAIL PROTECTED]> wrote:
> >
> > What the goal of these nested models is, is for users to save a lot of
> > repetitive code. I started out being not in favor of this construct
> > because I was afraid that a lot of people would have difficulty
> > understanding it. Alas, it seems a lot of people have. But, the code
> > you save is really worth having the construction. Maybe we shouldn't
> > promote it too much with our beginner tutorials for the sake of
> > keeping things easy.
> >
> > For instance:
> >
> > Person p = new Person();
> > setModel(new Model(p);
> >
> > this line:
> >
> > add(new TextField("name");
> >
> > could be written as:
> >
> > add(new TextField("name", new PropertyModel(p, "name"));
> >
> >
> > As you can see from above, the first line looks much nicer and the
> > second is quite verbose. But the first line also is quite magical,
> > while the second should be easy to understand.
> >
> > Eelco
> >
> >
> > On 1/20/06, Rosenstrauch, David
> <[EMAIL PROTECTED]> wrote:
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto: [EMAIL PROTECTED]
> Behalf
> > > Of Johan Compagner
> > > Sent: Friday, January 20, 2006 2:05 PM
> > > To: [email protected]
> > > Subject: Re: [Wicket-user] RE: span tag clarification
> > >
> > >
> > > Read what igor says in its second point!:
> > >
> > > 2) null models have a special meaning. if the component has a null model
> it
> > > will try to search up the component hierarchy tree to find a parent with
> a
> > > model that implements ICompoundModel and will then use that model as its
> > > own. this is useful for models like CompoundPropertyModel. see this
> > > discussion for details:
> > >
> http://www.mail-archive.com/[email protected]/msg08877.html
> > >
> > > [Rosenstrauch, David]
> > > Well, fair enough.
> > >
> > > Only thing I would say is that IMO I like frameworks that "make easy
> things
> > > easy, and difficult things possible". Seems to me that usability-wise,
> this
> > > isn't really optimized to make the easy case easy.
> > >
> > > Just my $0.02.
> > >
> > > DR
> > >
> > >
> > >
> > >
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> > >
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