Yeah, guess you could do that too, but then you'd have to wrap one model
into another (since LDM does not do property matching like CPM) + you've to
extend LDM.
On Wed, Apr 14, 2010 at 9:24 AM, James Carman
<jcar...@carmanconsulting.com>wrote:
> Why not use a LoadableDetachableModel instead of setting on
> onBeforeRender()?
>
> On Wed, Apr 14, 2010 at 12:10 PM, Nikita Tovstoles
> <nikita.tovsto...@gmail.com> wrote:
> > If you're using a CPM there's no need to explicitly set models for child
> > components. Also think about what you want to happen on page reload.
> > Generally I'd imagine you want current data, so set CPM's object on
> > Page.onBeforeRender():
> >
> > public class EmployeeMain extends BasePage{
> >
> > final private Form<Contact> employeeForm;
> >
> > public EmployeeMain()
> > {
> > //super(); //no need - call implied
> > employeeForm = new Form<Contact>("employeeContactForm", new
> > CompoundpropertyModel(null)); //we'll set model object @ page render time
> > add(employeeForm);
> > employeeForm.add(new TextField<String>("firstName")); //assuming
> existence
> > of String contact.getFirstName() method
> > employeeForm.add(new TextField<String>("lastName"));
> > }
> >
> > @Override
> > public void onBeforeRender()
> > {
> >
> employeeForm.setDefaultModelObject(getEmployeeSession().getEmployee().getEmpInfo());
> > //get up-to-date Contact and set as CPM's object
> > super.onBeforeRender(); //have to call to allow page children to render
> > themselves
> > }
> >
> > that's it. Note that if you set CPM's object in page constructor, then on
> > page refresh, Contact won't be updated (because constructor won't run,
> but
> > onBeforeRender() will).
> >
> >
> >
> > On Wed, Apr 14, 2010 at 8:39 AM, David Hamilton <
> > dhamil...@hermitagelighting.com> wrote:
> >
> >>
> >> I'm a new Wicket using trying to figure out how to populate a form's
> >> initial value with data from a bean (that is in the session already).
> >> I've actually got it working, but I don't think I'm doing the best way.
> >> public final class EmployeeMain extends BasePage {
> >> public EmployeeMain() {
> >> super ();
> >> Form employeeForm=new Form("employeeContactForm");
> >> Contact contact=getEmployeeSession().getEmployee().getEmpInfo();
> >> employeeForm.setModel(new CompoundPropertyModel(contact));
> >> add(new TextField("firstName",new
> >> Model(contact.getFirstName())));
> >> add(new TextField("lastName"));
> >>
> >> }
> >>
> >> My issue is with this line:
> >> add(new TextField("firstName",new Model(contact.getFirstName())));
> >> Should I have to set the model even though I'm binding the form to a
> >> bean has this property?
> >> What is the correct way to handle setting the initial form value from a
> >> bean?
> >>
> >> Thanks,
> >>
> >> David
> >>
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