:-)
> if you disable a formcomponent then neither a set or get will be
> called
Yes. But it's not disabled, and get is being called. Just not set.
I must be doing something wrong or missing something in the impl here...
but I don't see what it is. :-(
Cheers,
Dave
> Sorry for pulling you guys back to my mail issue. ;-)
>
> Since setObject() is not being called, I don't see how to
> apply my
> complex model to its children. I thought I could pull this off
> with
> setModel()... but it just ain't being called.
>
>
> Ok, let's stick with the "person" object. The person has
> attributes, and
> one of these attributes may itself have attributes.
>
> For example:
>
> Person:
> isSingle?
>
> if( isSingle )
>
> [ ] does dishes?
> [ ] makes bed?
>
> else
>
> [ ] has kids?
> [ ] walks dog?
>
> Whatever.
>
> Point is, if the isSingle attribute is "true", I want to
> enable certain
> checkboxes and bind those values DIRECTLY to the model. Same
> goes if
> isSingle is false.
>
> Right now, I collect a boolean for each value and set them
> back
> "manually" into my model, which seems really messy.
>
> Same thing for enabling/disabling my checkboxes above: I do
> that
> "manually" depending on the current value in the model.
>
>
> What I'd really like to do is somehow bind all those controls
> directly
> to my model so I'm not duplicating parts of the model for each
> control.
>
>
> Any hints that would enlighten me on how to do this?
>
>
> Thanks so much!!
>
>
>
> On Mon, 2007-03-12 at 22:58 -0700, Eelco Hillenius wrote:
> > Maybe it is good to gather a couple of use cases and pros
> and cons and
> > start a separate thread?
> >
> > Eelco
> >
> > On 3/12/07, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> > > ah, but if you modify a collection that is a model object
> are you infact
> > > "changing" the object? you are not changing the reference
> itself but you are
> > > doing something that has sideffects.
> > >
> > > eg lets say you have a dropdown choice, but what you want
> is a collection of
> > > ids not the objects. the easiest way is to have a model in
> between that
> > > translates a collection of objects to ids and back again.
> but how to do that
> > > if setobject() is never called?
> > >
> > > -igor
> > >
> > >
> > >
> > > On 3/12/07, Eelco Hillenius <[EMAIL PROTECTED]>
> wrote:
> > > >
> > > > If you are not changing the object that is the subject
> of the model, I
> > > > see no reason why setObject should be called.
> > > >
> > > > Eelco
> > > >
> > > > On 3/12/07, Igor Vaynberg <[EMAIL PROTECTED] >
> wrote:
> > > > > actually we are inconsistent in some places and i have
> been trying to
> > > fix
> > > > > it. what we mostly do is whenever we work with a
> collection we clear it
> > > and
> > > > > repopulate it. but we never call setobject() on the
> model which imho is
> > > > > wrong. sometimes i have a model in between that
> depends on setobject()
> > > > > called whenever a property is updated because it does
> some translation
> > > and
> > > > > its a lot easier to proxy a model then it is to proxy
> a collection. just
> > > my
> > > > > 2c.
> > > > >
> > > > > -igor
> > > > >
> > > > >
> > > > >
> > > > > On 3/12/07, Eelco Hillenius
> <[EMAIL PROTECTED]> wrote:
> > > > > >
> > > > > > > > > now all you have to do is
> > > > > > > > >
> > > > > > > > > LoadableDetachableModel person=new
> LoadalbeDetachableModel(id);
> > > > > > > > > new CheckBox(this, "cb", new
> PersonCheckBoxModel(person));
> > > > > > > > >
> > > > > > > > > and everything magically works, hope it gives
> you some ideas.
> > > > > > >
> > > > > > > Yes, it does indeed give me many ideas. Right now,
> I'm trying to
> > > figure
> > > > > > > out the implementation details.
> > > > > > >
> > > > > > > While stepping through the code, I noticed that
> the setObject()
> > > method
> > > > > > > of my IModel never gets called.
> > > > > > >
> > > > > > > When is this _supposed_ to be set, and why would
> it not be called in
> > > my
> > > > > > > case?
> > > > > >
> > > > > > There's not always a need for setObject to be
> called. I haven't read
> > > > > > the whole thread, but in the above example, you work
> on a property
> > > > > > ('cb') of the person, so all you have to do
> (probably) is do something
> > > > > > with this updated object (like saving it). You would
> only do setObject
> > > > > > when you would provide a new person, and when the
> getObject
> > > > > > implementation wouldn't take care of that.
> > > > > >
> > > > > > Personally, I rarely use/ depend on setObject as
> working with
> > > > > > properties of objects is a very typical thing to
> do.
> > > > > >
> > > > > > Hope this makes sense,
> > > > > >
> > > > > > Eelco
> > > > > >
> > > > > >
> > > > >
> > >
>
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