Rails spinoffs - Jul 2008 - Can't figure out why Javascript is executing in one ajax request but not another.

I posted this to the new Prototype Scriptaculous group yesterday, but
realized that someone with suggestions might not have made the switch.

I''d appreciate any ideas.


---------- Forwarded message ----------
From: Rick DeNatale
<rick.denatale-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Date: Mon, Jul 7, 2008 at 2:56 PM
Subject: Can''t figure out why Javascript is executing in one ajax
request
but not another.
To: prototype-scriptaculous-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org


I''ve run out of ideas on this one.

I''ve got two rails controllers which are sharing some partials and ajax
code.

One partial generates a pair of select elements one for country, and another
for timezones.  It also generates an observer with:
<%= observe_field @user.dom_id(''country_code''),
          :url => {:action =>
''ajax_update_timezone_select_with_new_zones_for_selected_country'',
               :timezoneable_type => ''User'',
               :timezoneable_id => @user.id}, :method => :get, :with =>
''country_code'' %>

The ajax_update_timezone_select_with_new_zones_for_selected_country action
is defined in a module mixed in to both controllers.  It renders an rjs
template in which I''ve added an alert for debugging purposes:

page << ''alert("done");''
page.replace @entity.dom_id(''timezone''), :partial =>
''/mixins/timezone/timezone_select'', :locals =>
{:country_code =>
@country_code}


Now this works find in one controller, when I make a selection in the
country_code selection list the observer fires, the alert comes up, and the
timezone list is updated.

In the other controller the observer fires, the same response comes back,
but nothing happens!  No alert, no update.

Firebug, shows the same response in both cases.  I''ve tried this both
in
Firefox and Safari and it seems browser independent.

I''ve gone so far as to cut and paste what firebug is showing  in the
console
along with the script tags for the observer, saving to two files and doing a
diff between the two, and the only things which is changing are timestamps,
and the hostname.

The hostname changes because we use different virtual hostnames to provide
contexts in our app.  However, as far as I can tell the hostname is
consistent between each response request pair, and the page containing the
partial.

Any ideas on why Javascript is being executed in one case and thrown away in
the other?

-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/



-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/

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@Rick:

If you''re going to cross-post (and I understand why you would want
to), best to just point people at the new thread rather than reposting
the entire question.  We''re trying to move *away* from this group,
remember.

@All:

The thread is here:
http://groups.google.com/group/prototype-scriptaculous/browse_thread/thread/1364afb7bca58888
--
T.J. Crowder
tj / crowder software / com

On Jul 8, 11:56 am, "Rick DeNatale"
<rick.denat...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> I posted this to the new Prototype Scriptaculous group yesterday, but
> realized that someone with suggestions might not have made the switch.
>
> I''d appreciate any ideas.
>
> ---------- Forwarded message ----------
> From: Rick DeNatale
<rick.denat...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Date: Mon, Jul 7, 2008 at 2:56 PM
> Subject: Can''t figure out why Javascript is executing in one ajax
request
>
> but not another.
> To: prototype-scriptaculous-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
>
> I''ve run out of ideas on this one.
>
> I''ve got two rails controllers which are sharing some partials and
ajax
> code.
>
> One partial generates a pair of select elements one for country, and
another
> for timezones.  It also generates an observer with:
> <%= observe_field @user.dom_id(''country_code''),
>           :url => {:action =>
>
''ajax_update_timezone_select_with_new_zones_for_selected_country'',
>                :timezoneable_type => ''User'',
>                :timezoneable_id => @user.id}, :method => :get, :with
=>
> ''country_code'' %>
>
> The ajax_update_timezone_select_with_new_zones_for_selected_country action
> is defined in a module mixed in to both controllers.  It renders an rjs
> template in which I''ve added an alert for debugging purposes:
>
> page << ''alert("done");''
> page.replace @entity.dom_id(''timezone''), :partial =>
> ''/mixins/timezone/timezone_select'', :locals =>
{:country_code =>
> @country_code}
>
> Now this works find in one controller, when I make a selection in the
> country_code selection list the observer fires, the alert comes up, and the
> timezone list is updated.
>
> In the other controller the observer fires, the same response comes back,
> but nothing happens!  No alert, no update.
>
> Firebug, shows the same response in both cases.  I''ve tried this
both in
> Firefox and Safari and it seems browser independent.
>
> I''ve gone so far as to cut and paste what firebug is showing  in
the console
> along with the script tags for the observer, saving to two files and doing
a
> diff between the two, and the only things which is changing are timestamps,
> and the hostname.
>
> The hostname changes because we use different virtual hostnames to provide
> contexts in our app.  However, as far as I can tell the hostname is
> consistent between each response request pair, and the page containing the
> partial.
>
> Any ideas on why Javascript is being executed in one case and thrown away
in
> the other?
>
> --
> Rick DeNatale
>
> My blog on Rubyhttp://talklikeaduck.denhaven2.com/
>
> --
> Rick DeNatale
>
> My blog on Rubyhttp://talklikeaduck.denhaven2.com/
>
>
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