I am building a webapp based on Wicket. I have a WebPage that contains a
StatelessForm which contains a FormComponentPanel. The FormComponentPanel is
provided by a different library. This works fine without any AJAX-stuff. But
now I want to react to "onchange"-events of a DropDownChoice and thus I
added a AjaxFormComponentUpdatingBehavior to my DropDownChoice. This is a
excerpt of my FormComponentPanel:
public class ParameterForm extends FormComponentPanel<Map<String,
String>> { private final DropDownChoice selSupplier; private final
DropDownChoice selProjects; public ParameterForm(final String id,
final
List suppliers, final List projects) { super(id);
selSupplier = new
DropDownChoice<>("selSupplier", Model.of(""), new ListModel<>(suppliers));
selProjects = new DropDownChoice<>("selProjects", Model.of(""), new
ListModel<>(projects)); setModel(new MapModel<>());
selSupplier.setOutputMarkupid(true); } @Override protected void
onInitialize() { super.onInitialize();
selSupplier.add(new
AjaxFormComponentUpdatingBehavior("onchange") { private static
final long
serialVersionUID = 7643295763275649586L; @Override
protected void
onUpdate(final AjaxRequestTarget target) {
System.out.println(selSupplier.getConvertedInput()); }
});
add(selSupplier); add(selProjects); }}
Now I would expect to get a message on the command-line when I select
another item, but nothing happens. Wicket does not put any script-tags into
the generated HTML and I do not see the "WICKET AJAX DEBUG"-button. Can
someone tell me what I am doing wrong?
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