On Sun, Aug 9, 2009 at 5:43 AM, hezjing<[email protected]> wrote:
> Hi
> I'm trying to following the MVP implementation shown by Ray Ryan:
> class PhoneEditorPresenter {
> interface Display {
> HasValue<String> getNumberField();
> }
> void doSave() {
> String number = getNumberField().getValue();
> }
> }
>
>
> Everything seems OK until I have a ListBox now, the ListBox does not
> implements HasValue<T>
> May I know which interface (e.g. Has*) I should use to retrieve the selected
> value of a ListBox?

I think the answer is to create your own class that extends ListBox to
implement a HasValue method.

But I could be wrong.
>
> --
>
> Hez
>
> >
>

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