I tried that but got an error that said that
"java.lang.IllegalStateException: Attempt to set model
object on null model". I'll try again with what I
know now and let you know.
THanks again,
Andrew
--- Johan Compagner <[EMAIL PROTECTED]> wrote:
> why would the parent model access that model.
> Do it the other way around, let the dropdownchoice
> model access the parent
> model.
> (by using a PropertyModel: new
> PropertyModel("dropdown1property" ,
> parentModel))
> or use one of the more sophesticated CompoundModels.
>
> The dropdown1property is a property that the
> parentModel has where the
> selected object of the choice is kept.
>
> johan
>
>
>
> On 10/13/05, Andrew Berman <[EMAIL PROTECTED]>
> wrote:
> >
> > If each dropdownchoice has its own model, how can
> the
> > parent form access it?
> >
> > --- Johan Compagner <[EMAIL PROTECTED]> wrote:
> >
> > > one dropdownchoice has its own model or a
> > > property/compound model of a
> > > parent model (which ever parent it maybe ,
> > > form/page)
> > > But the end result of that dropdownchoice must
> be On
> > > object that is of the
> > > same type of the objects that are in choices
> (the
> > > list of all objects that
> > > you can choose)
> > > Because a dropdown is a single select it handles
> > > only one selection so the
> > > model object is that selection.
> > >
> > > I don't know how the bigger picture looks like
> but
> > > you can have a larger
> > > object that could hold a selected object from
> every
> > > dropdownchoice you have.
> > >
> > > That can't be a list. Because if the list
> contains 3
> > > items which of the tree
> > > should be selected?
> > >
> > > johan
> > >
> > >
> > > On 10/13/05, Andrew Berman <[EMAIL PROTECTED]>
> > > wrote:
> > > >
> > > > Right, but the problem is that there is the
> > > potential
> > > > for multiple dropdowns on the same page and I
> want
> > > all
> > > > of them to update the form's model. I think
> I've
> > > done
> > > > everything wrong. I'm really confused with how
> the
> > > > model is being passed around.
> > > >
> > > > Since I have the form include a panel which
> > > includes a
> > > > form component, how can I have that form
> component
> > > > (e.g. dropdown) update the form's model. I was
> > > able
> > > > to get the whole thing to not give me a
> > > RuntimeError
> > > > anymore only when each separate form component
> has
> > > its
> > > > own private model, but this does not help me,
> > > since I
> > > > have no way of accessing that model from the
> > > form's
> > > > onsubmit method.
> > > >
> > > > The way I have it set up now is that the form
> has
> > > a
> > > > model of ArrayList. I thought the ArrayList
> would
> > > > fill with a list of CategoryQuestionResponse
> > > objects
> > > > that were selected on the page, which is not
> the
> > > case.
> > > > Instead it remains empty. So I guess the crux
> of
> > > my
> > > > problem is how to fill in the form's model and
> not
> > > > each component's private model.
> > > >
> > > > Thanks again for your help, I really
> appreciate
> > > it.
> > > >
> > > > --Andrew
> > > >
> > > > --- Johan Compagner <[EMAIL PROTECTED]>
> wrote:
> > > >
> > > > > wait i see it
> > > > > a dropdown is a single select!
> > > > > you have to use the ListMultipleChoice there
> you
> > > can
> > > > > set as model a list a
> > > > > dropdown only wants to have a single object.
> > > > >
> > > > >
> > > > >
> > > > > On 10/13/05, Johan Compagner
> > > <[EMAIL PROTECTED]>
> > > > > wrote:
> > > > > >
> > > > > > YoureObject is then the
> > > CategoryQuestionResponse
> > > > > (if i look at youre code)
> > > > > >
> > > > > > On 10/13/05, Johan Compagner
> > > <[EMAIL PROTECTED]
> > > > > > wrote:
> > > > > > >
> > > > > > > ok so what sits exactly in that List
> > > options?
> > > > > > > Are those just POJO's that do have a
> getId()
> > > ??
> > > > > > > and also a getResponse().getText() ?
> > > > > > >
> > > > > > > can you for example do this:
> > > > > > >
> > > > > > > public class DropDownPanel extends Panel
> {
> > > > > > > public DropDownPanel(String id, IModel
> > > model,
> > > > > List options,
> > > > > > > IChoiceRenderer choiceRenderer) {
> > > > > > > super(id);
> > > > > > > YoureObject object =
> > > > > (YoureObject)options.get(0);
> > > > > > > System.out.println(object.getId());
> > > > > > >
> > > > >
> > >
> System.out.println(object.getResponse().getText());
> > > > > > > add(new DropDownChoice("dropdown",
> model,
> > > > > options, choiceRenderer));
> > > > > > > }
> > > > > > >
> > > > > > >
> > > > > > > On 10/13/05, Andrew Berman <
> > > [EMAIL PROTECTED]>
> > > > > wrote:
> > > > > > >
> > > > > > > > Oh, sorry. I attached the relevant
> code.
> > > I'm
> > > > > also
> > > > > > > > having an issue trying to get the form
> > > model
> > > > > filled
> > > > > > > > in. Maybe my code can shed some light
> on
> > > what
> > > > > I'm
> > > > > > > > doing wrong....
> > > > > > > >
> > > > > > > > Thanks,
> > > > > > > >
> > > > > > > > Andrew
> > > > > > > >
> > > > > > > > --- Johan Compagner <
> > > [EMAIL PROTECTED]>
> > > > > wrote:
> > > > > > > >
> > > > > > > > > No that was not what i meant.
> > > > > > > > >
> > > > > > > > > I just want to know what type of
> > > > > objects/list you
> > > > > > > > > set in the model
> > > > > > > > > and how youre choicerenderer looks
> like
> > > > > > > > >
> > > > > > > > > so what does the code looks like
> that
> > > makes
>
=== message truncated ===
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