THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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A more sophisticated approach would be to allow controls control listeners to register be invoked for Ajax requests. A special AjaxListener can be set as a Control listener, that will be invoked if the incoming request targets the that control:
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public MyPage extends Page {
public onInit() {
ActionLink link = new ActionLink("link");
link.setActionListener(new AjaxListener() {
public Partial onAjaxAction(Control resource, Event event) {
Partial partial = new Partial();
partial.add(new Label("hello"));
return partial;
}
});
}
}
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