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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