Can't you crate the "navigation panel" once and call add() on it twice by
passing the same reference to it from within your page hierarchy?

On the client side I don't see why you would push this cloning to the
client. Just let the page contain the same panel (html/js) via a single
You should be fine as long as you handle the db trip in the constructor or
your own "init()" method.

~ Thank you,
  Paul Bors

-----Original Message-----
From: Colin Rogers [] 
Sent: Sunday, November 25, 2012 6:28 PM
Subject: Cloneing Wicket Objects


I was wondering what the best was to duplicate or clone wicket components. I
need guidance as to the best way to do this.

I have, on my screen two 'navigation panels' that are identical - one at the
top of the page, another at the bottom. They contain dropdown choice fields
that, when 'onchange' event occurs, it triggers an ajax request that
redirects the user to another page.

As, in order to create the navigation panels - I have to visit the DB, and
create them dynamically, so it doesn't make sense to perform this operation
twice. Also they generate a large amount of HTML, in order render them, so
it seems sensible to do as much as I can on the client side.

The idea was - I generate the components once, and then clone them on the
client side. This saves going to the DB twice and rendering them twice. I've
attempted to use jquery's clone function as; clone(), clone(true) and
clone(true, true) - but none work. The elements are copied, but the ajax
actions never execute onchange.

Is there another way to do this that works? A more wicket-centric way?


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