Ok. But this makes an extra roundtrip to the server.. is that what you want?
On Wed, Apr 20, 2016 at 3:16 PM, Lorne Malvo <caffeineindu...@gmail.com>
wrote:
> Ernesto thanks for the help.
>
> I made it work by using an AjaxEventBehavior and adding it directly to the
> page, like so:
>
>
> AjaxEventBehavior event = new AjaxEventBehavior("beforeunload") {
> @Override
> protected void onEvent(final AjaxRequestTarget target) {
> // do stuff here
> target.appendJavaScript("alert('are you sure want to navigate
> away?');");
> }
> }
> add(event);
>
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--
Regards - Ernesto Reinaldo Barreiro
