Hello,
I have a problem with Ajax DropDownChoices and null values. I tried to make
this pseudo-code, as simple as possible :
<select id="choice" wicket:id="choice" />
<select id="subChoice" wicket:id="subChoice" />
OK
final DropDownChoice<String> choiceView = new
DropDownChoice<String>("choice", new PropertyModel<String>(model, "choice"),
new ArrayList<String>(CHOICES.keySet()));
final DropDownChoice<Integer> subChoiceView = new
DropDownChoice<Integer>("subChoice", new PropertyModel<Integer>(model,
"subChoice"), CHOICES.get(choice));
subChoiceView.setOutputMarkupId(true);
choiceView.add(new AjaxFormComponentUpdatingBehavior("onchange") {
protected void onUpdate(AjaxRequestTarget target) {
subChoiceView.setChoices(CHOICES.get(choice));
target.addComponent(subChoiceView);
}
});
Link<Void> ok = new AjaxFallbackLink<Void>("ok") {
public void onClick(AjaxRequestTarget target) {
System.out.println("choice: " + model.choice);
System.out.println("subChoice: " + model.subChoice);
}
};
When I select values in the drop down choices and click OK, the choice value
is the right one, and the subChoice value is always 'null'. I really don't
know if it is a bug or my mistake.
Thanks for your advices.
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