On-demand component initialization

2010-10-30 Thread Major Péter 
Hi,

I'm trying to create a ModalWindow, something similar to this example:
http://wicketstuff.org/wicket14/nested/?wicket:bookmarkablePage=:org.apache.wicket.examples.ajax.builtin.modal.ModalWindowPage

If I create the modalwindow like this:
final ModalWindow modal = new ModalWindow(modal);
modal.setContent(new RegisterPanel(modal));
modal.setTitle(Registration);
modal.setCookieName(register);
add(new AjaxLink(showModal) {

   @Override
   public void onClick(AjaxRequestTarget target) {
  modal.show(target);
   }
});
add(modal);

then when I construct the page containing this modalwindow, I also will
construct the modalwindow content, but the user can just decide to not
to click on this link, so skip the modal, and then I have an unnecessary
constructed panel.
So I've played a bit with my RegisterPanel, and moved all of my logic to
onInitialize (because it's called before onBeforeRender), to initialize
my stuff there, but it looks like onInitialize is still called without
user action. If I put everything into onBeforeRender, then I can
guarantee, that the constructing logic runs on-demand, but then I will
have problems when user wants to reopen the window. I could create a
field to check whether I already initialized the component in
oBeforeRender, but that sounds like a hack. How can I solve this issue
elegantly?

Thanks,
Peter

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Re: On-demand component initialization

2010-10-30 Thread Martin Makundi 
 then when I construct the page containing this modalwindow, I also will
 construct the modalwindow content, but the user can just decide to not
 to click on this link, so skip the modal, and then I have an unnecessary
 constructed panel.

Yeah.. you can construct panel in onClick before .show();

Also make note that you can re-use same modal window with various
different content always using setContent or setTitle on-fly.

**
Martin

 Thanks,
 Peter

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Re: On-demand component initialization

2010-10-30 Thread Alexander Morozov 

You can set content for modal within onClick method.
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Re: On-demand component initialization

2010-10-30 Thread Major Péter 
Yeah, but then I would create new panel for every single click on that
link. I know it's a bit edge-case, but still... So I can't achieve this
without some own initialization logic?

Thanks for your replies.

Regards,
Peter

2010-10-30 16:48 keltezéssel, Alexander Morozov írta:
 
 You can set content for modal within onClick method.

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Re: On-demand component initialization

2010-10-30 Thread Martin Makundi 
Hi!

 Yeah, but then I would create new panel for every single click on that
 link. I know it's a bit edge-case, but still... So I can't achieve this
 without some own initialization logic?

You don't need to create new panel, just use lazy initialization.

 modalWidnow.setContent(getContentPanel());

getContentPanel() {
  if (contentPanel == null) {
 contentpanel = new ...
   }

   return contentPanel;
}


**
Martin




 Thanks for your replies.

 Regards,
 Peter

 2010-10-30 16:48 keltezéssel, Alexander Morozov írta:

 You can set content for modal within onClick method.

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