Those dropdowns should be updated without troubles. Why do you need
the wantOnSelectionChangedNotifications there? Did you try removing
the overrides of these methods? As far as I can see you're not doing
anything useful with them.
Eelco
On 1/12/07, Nino Wael <[EMAIL PROTECTED]> wrote:
>
>
>
>
> To my presentation im doing both a jsp version and a wicket version of a
> very small applikation (might just be a form or two separate pages with
> forms), btw would it be an idea to put the presentation with examples up
> somewhere perhaps the wiki (when im done with it?)?
>
>
>
>
>
> However upon doing this I've stumbled into something I find odd, in the
> below code the label called model are not updatet when it's model are
> changed, I got the same problem with the dropdown, I fixed that by calling
> the dropdown.modelchanged() method. But is it really necessary to call
> modelchanged? I saw the ajax example which is almost identical to this does
> not call modelchanged.
>
>
>
>
>
>
>
> public class IndexPage extends WebPage {
>
>
>
> public IndexPage() {
>
>
>
> FormModel
> formModel = new FormModel();
>
>
>
> final
> PropertyModel carModel = new PropertyModel(formModel, "carModel");
>
> final
> PropertyModel carBrand = new PropertyModel(formModel, "carBrand");
>
>
>
> IModel
> carsFromBrand = new AbstractReadOnlyModel() {
>
>
>
>
> public Object getObject(Component arg0) {
>
>
> String selected = (String)
> carBrand.getObject(null);
>
>
> if (selected != null) {
>
>
>
> return Offline.getCarsFromBrand(selected);
>
>
> }
>
>
> return Collections.EMPTY_LIST;
>
>
> }
>
> };
>
>
>
> add(new
> Label("brand", carBrand));
>
> add(new
> Label("model", carModel));
>
> Form form = new
> Form("theform");
>
> add(form);
>
> final
> DropDownChoice ddcCarModel = new DropDownChoice("carmodel",
>
>
> carModel, carsFromBrand) {
>
>
> protected boolean
> wantOnSelectionChangedNotifications() {
>
>
> return true;
>
>
> }
>
> };
>
> DropDownChoice
> ddcCarbrand = new DropDownChoice("carbrand", carBrand,
>
>
> Offline.getCarBrands()) {
>
>
> protected boolean
> wantOnSelectionChangedNotifications() {
>
>
> return true;
>
>
> }
>
>
>
>
> protected void onSelectionChanged(Object arg0) {
>
>
> // TODO Auto-generated method
> stub
>
>
> super.onSelectionChanged(arg0);
>
>
> ddcCarModel.modelChanged();
>
>
>
>
> }
>
> };
>
>
> form.add(ddcCarbrand);
>
>
>
>
> form.add(ddcCarModel);
>
>
>
> }
>
>
>
> }
>
>
>
> ________________________________
>
>
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Nino Wael
> Sent: 4. januar 2007 14:16
> To: wicket-user@lists.sourceforge.net
> Subject: [Wicket-user] wicket presentation
>
>
>
>
> Hi im doing a wicket presentation for our consultants team, on this first
> teaser I have about ten minutes.
>
>
>
>
>
> I plan to talk something about markup inheritance(the stuff with panels and
> borders, which are very nice), and the POJO concept.
>
>
>
> Also wickets model concept and that you don't have to think about the
> tedious tasks like printing html and setting the correct radio to be
> selected. I guess that part will be a big eye opener for some of themJ
>
>
>
> Which features should I show?
>
>
>
>
>
> The crowd will maximum have knowledge of struts or simple jsp pages.
>
>
>
>
>
>
>
> Regards Nino
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