That's what I use as well, depending on the scenario.

Usually when there's a second modal window open, and closing that second modal 
requiring the first modal window to do a repaint on it's current content, I 
display a blocking layer, if the process takes longer than average (e.g. >~8 
seconds).

On Sunday, January 05, 2014 10:50:27 PM Ernesto Reinaldo Barreiro wrote:
> Another way to achieve this is using a blocking layer...
> 
> On Sun, Jan 5, 2014 at 6:05 PM, jchappelle <jchappe...@4redi.com> wrote:
> > Thanks for the replies.
> > 
> > Marco there is a good possibility that is what we are facing too. I have
> > just been guessing at the causes at this point and haven't considered the
> > double click.
> > 
> > I wonder if there is there a more global way to set that for all Ajax
> > links
> > instead of creating a custom AjaxLink component. I would have to touch a
> > lot
> > of code otherwise.
> > 
> > --
> > View this message in context:
> > http://apache-wicket.1842946.n4.nabble.com/Detecting-when-nothing-is-added
> > -to-AjaxRequestTarget-tp4663469p4663475.html Sent from the Users forum
> > mailing list archive at Nabble.com.
> > 
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