Rails spinoffs - Jul 2008 - Problem with callbacks/onComplete

Here''s my situation. Parent browser window opens a popup window. The
popup window contains a form that I''d like to submit to a php script
via ajax. I''d then like the popup window to automatically close
(don''t
need to display any feedback from the php script).

My popup window calls submitform() when the form is submitted. Here''s
the contents of my .js file:

     function ajaxUpdater(id,url) {
           new Ajax.Updater(id,url,{asynchronous:true});
     }

     function submitform() {
         ajaxUpdater(''mydiv'',
''submit.php?value='' +
                document.getElementById(''something'').value
           , {
                  onComplete: tidyup()
             }
            );
      }

     function tidyup() {
          window.close();
     }

Before I added the onComplete callback, this was working - in that the
data was submitted to the form. Now though, it seems that window.close
is called before the ajax request is made: watching my server''s access
log I don''t see submit.php being called. If I comment out
window.close() , I see submit.php being called.

Am I misunderstanding the use of callbacks? I was under the impression
that onComplete would only be fired once the the webserver had
returned a status header in response to the ajax request.

Thanks,
Martin

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In the future please post to the new group prototype-scriptaculous:

http://groups.google.com/group/prototype-scriptaculous?hl=en

Change to onComplete: tidyup    (not tidyup() which calls a function and
evaluates to its return value)

-Fred

On Thu, Jul 10, 2008 at 7:30 PM, Martin Taylor
<test-Jp3n8lUXroS9FHfhHBbuYA@public.gmane.org> wrote:
>
> Here''s my situation. Parent browser window opens a popup window.
The
> popup window contains a form that I''d like to submit to a php
script
> via ajax. I''d then like the popup window to automatically close
(don''t
> need to display any feedback from the php script).
>
> My popup window calls submitform() when the form is submitted.
Here''s
> the contents of my .js file:
>
>     function ajaxUpdater(id,url) {
>           new Ajax.Updater(id,url,{asynchronous:true});
>     }
>
>     function submitform() {
>         ajaxUpdater(''mydiv'',
''submit.php?value='' +
>                document.getElementById(''something'').value
>           , {
>                  onComplete: tidyup()
>             }
>            );
>      }
>
>     function tidyup() {
>          window.close();
>     }
>
> Before I added the onComplete callback, this was working - in that the
> data was submitted to the form. Now though, it seems that window.close
> is called before the ajax request is made: watching my server''s
access
> log I don''t see submit.php being called. If I comment out
> window.close() , I see submit.php being called.
>
> Am I misunderstanding the use of callbacks? I was under the impression
> that onComplete would only be fired once the the webserver had
> returned a status header in response to the ajax request.
>
> Thanks,
> Martin
>
> >
>

-- 
Science answers questions; philosophy questions answers.

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