Thanks for your reply,
> Argh, confused setVisible() with setRequired, my bad ;-)
> But nevertheless: call setRequiered(condition) in onConfigure().
I've tried this but if I am correct isRequired() gets called before
onConfigure() during the request cycle (at least this is the behaviour I see
during debugging).
The problem is that the user is then able to submit the form without filling in
the required field if validation completely succeeds at once. Also the required
fields "lag" behind one request cycle.
>
> -Tom
>
>
> Thomas Götz wrote:
>
> > Yes, you can also push the state instead of pulling it, which besides is
> preferrable in terms of efficiency (as onConfigure() is only called once per
> request whereas isVisible() is potentially called many time):
> >
> > TextField<String> textField = new TextField<String>("textField") {
> > @Override
> > protected void onConfigure() {
> > super.onConfigure();
> > setVisible(condition);
> > }
> > };
> >
> > You can also call textField.setVisible(...) in the Page's or Panel's
> onConfigure(), but then you need a reference to the textField (property of the
> page or panel). Or - if possible - you can group your FormComponents into a
> WebMarkupContainer an set the visibility there.
> >
> > -Tom
>
>
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