http://steve-on-sakai.blogspot.com/2008/12/using-hashmap-with-dropdownchoice.html
-igor
On Wed, Aug 19, 2009 at 3:17 PM, Eirik Lygre<eirik.ly...@gmail.com> wrote:
> I'm looking for the best way to implement a drop-down, where the type of the
> model property is not the type of the lists:
>
> For example, with the model below, I want to implement a drop-down to select
> languages for a user.
>
> class User {
> String languageId;
> }
>
> class Language {
> String languageId;
> String languageName;
> }
>
> // From MyForm extends Form<User>
> // here, this.getModelObject returns a User
> // Somewhere in the constructor...
> ...
> List<Language> languages = getLanguagesFromDatabase();
> form.add (new DropDownChoice("languageDropDown", ...eh...?
> ...
>
> My workaround involves creating a separate model for the language, and copy
> from the language model to the user model whenever I use the user model. But
> it's cumbersome...
>
> 1) Is there a better way?
> 2) Is there an established "best practice" for this (probaly common)
> scenario?
>
>
> Eirik
>
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