But if you have models as instance variables you have to take care of
adding Changes yourself if you want back button support, right?
On 7/11/05, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
> Yep. I'd like to stress though, that you can also work with more than
> one model in a form. You can set a model on a form (e.g. by passing it
> to super) for convenience. That way, constructs like:
>
> add(new Label("myField"))
>
> will automatically look up 'myField' in the model that was set on the
> form. However, a construct like this is also valid:
>
> class MyForm extends Form
> {
> final IModel model1;
> final IModel model2;
>
> public MyForm(String id, IModel model1, IModel model2)
> {
> this.model1 = model1;
> this.model2 = model2;
> add(new TextField("field1", new PropertyModel(model1,
> "myFirstField")));
> add(new TextField("field2", new PropertyModel(model2,
> "otherFieldOnOtherModel")));
> }
>
> public void onSubmit()
> {
> Customer c = (Customer)model1.getObject(this);
> Other o = (Other)model2.getObject(this);
> }
> }
>
> and so on...
>
> So, while form components (and a lot of components like Label etc) make
> use of their models directly, this is not true for all components. Forms
> do not use their models directly (same for Page, Panel, Border, etc),
> and thus you can use as many models as you like.
>
> Eelco
>
>
> frank bengtsson wrote:
>
> >This is nice, does this means that both models are automatically updated ?
> >
> >So "onsubmit" all i have do is something like this ?
> >customerDAO.saveOrUpdate(((Map) getModelObject()).get("customer"));
> >
> >Thanx in advance !
> >
> >/Frank
> >
> >
> >
>
>
>
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