Still playing around with this, and I have a question.
When does the IModel's setObject() method get called?
I'm stepping through the code, but this method is never being called...
Cheers,
Dave
On Fri, 2007-03-09 at 16:47 -0600, Thomas R. Corbin wrote:
> On Friday, 09 March 2007 11:57 am, Igor Vaynberg escreveu:
> > yes, but then you are married to the output it genereates.
> >
> > [] label
> > [] label
> >
> > whats below you can use just for the checkbox, so you are free to generate
> > your own label/panel/whatever. eg selecting rows in a table.
>
> Ooooh - thanks!
>
> >
> > -igor
> >
> > On 3/9/07, Thomas R. Corbin <[EMAIL PROTECTED]> wrote:
> > > On Thursday, 08 March 2007 07:58 pm, Igor Vaynberg escreveu:
> > > > see above. take a simple example where you have a list of checkboxes
> > > > and you want all selected objects to end up in a collection. how do you
> > > > do
> > >
> > > it?
> > >
> > > > sounds like a complex mapping? the most elegant way is to write a
> > > > custom model.
> > >
> > > Can you use a CheckBoxMultipleChoice for this?
> > >
> > > > class mypage extends page {
> > > > private Set<Person> selected=new HashSet();
> > > >
> > > > private class PersonCheckboxModel implements IModel<Boolean> {
> > > > private final IModel<Person> person;
> > > > public final PersonCheckBoxModel(IModel<Person> person) {
> > > > this.person=person; }
> > > >
> > > > public Boolean getObject() {
> > > > return selected.contains(person.getObject());
> > > > }
> > > >
> > > > public void setObject(Boolean b) {
> > > > if (Boolean.TRUE.equals(b)) {
> > > > selected.put(person.getObject());
> > > > } else {
> > > > selected.remove(person.getObject());
> > > > }
> > > > }
> > > >
> > > > public void detach() { person.detach(); }
> > > > }
> > > >
> > > > }
> > > >
> > > > 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.
> > >
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