No.
The parsing on the client part (wicket-ajax.js) will not start until the
whole XML response is delivered.
You can use AjaxTimerBehavior to check whether the *slow* calculation is
finished and then deliver its response
2010/10/22 Altuğ Bilgin Altıntaş <alt...@gmail.com>
> Hi all;
>
> username.add(new AjaxFormComponentUpdatingBehavior("onblur") {
> @Override
> public void onUpdate(AjaxRequestTarget target) {
> String thisUsername = username.getModelObject();
> username.add(new SimpleAttributeModifier("class",
> "thinking")); // I need repaint
> target.addComponent(username); // It doesn't work
>
> // long process
> try {
> Thread.sleep(2000);
> } catch (Exception ex) {
>
> }
>
> // the result so i need to repaint and send to user again
> if (ArrayUtils.contains(takenUsernames, thisUsername)) {
> username.add(new SimpleAttributeModifier("class",
> "approved"));
> } else {
> username.add(new SimpleAttributeModifier("class",
> "denied"));
> }
> target.addComponent(username);
> }
> });
>
> How can i send Ajax response part by part; before long process i want to
> change css and send it to user, after process i again want to send Ajax
> response in one method.
>
> Is it possible ?
>
> Thanks.
>
