Rails - Feb 2006 - Strategies for updating multiple parts of the page with AJAX

Hi all,

I have a layout that''s evolving, but it looks like there will be
several
divs.  I''m trying to keep everything AJAX-y and avoid full page
reloads.  My
problem is, if I have the login box in a div, I''m going to want two
other
divs to effectively "refresh" themselves to get data from the server
now
that there is a user logged in.

I''m trying to figure out how to accomplish this.  I know I
can''t do this
with my current layout, because each of these divs I want to refresh is
currently just a partial page template included on a page - nothing AJAXy
about them.  If I want to have the ability to call on parts of the page to
update themselves, any ideas how I can do that?  I''m not sure if there
are
rails helpers I can use, or if I should start looking into hand-coding
Javascript with the prototype library to come up with a way.

Also, if my mental model of how to do page updates is wrong, please correct
me.

Thanks!
Tom
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Tom Lianza wrote:
> Hi all,
> 
> I have a layout that''s evolving, but it looks like there will be
several
> divs.  I''m trying to keep everything AJAX-y and avoid full page
reloads.
> My
> problem is, if I have the login box in a div, I''m going to want
two
> other
> divs to effectively "refresh" themselves to get data from the
server now
> that there is a user logged in.
Sounds like you might like RJS templates.  They are in edge rails but I 
think there is a plugin for rails 1.0.

Alternatively, you could add some javascript to the :complete callback 
in link_to_remote that will fire off another request.

link_to_remote ''link'',
:update=>''testdiv'',
:url=>{:action=>''action''},
:complete=> remote_function(:update=>''testdiv2'', 
:url=>{:action=>''action2''})

should do the trick.

_Kevin

-- 
Posted via http://www.ruby-forum.com/.

just take a look at RJS (at rails edge), this is the easiest way for
multiple partial AJAX page reloads without handcoded javascript

On 2/9/06, Tom Lianza <tlianza@gmail.com> wrote:
>
> Hi all,
>
> I have a layout that''s evolving, but it looks like there will be
several
> divs.  I''m trying to keep everything AJAX-y and avoid full page
reloads.  My
> problem is, if I have the login box in a div, I''m going to want
two other
> divs to effectively "refresh" themselves to get data from the
server now
> that there is a user logged in.
>
> I''m trying to figure out how to accomplish this.  I know I
can''t do this
> with my current layout, because each of these divs I want to refresh is
> currently just a partial page template included on a page - nothing AJAXy
> about them.  If I want to have the ability to call on parts of the page to
> update themselves, any ideas how I can do that?  I''m not sure if
there are
> rails helpers I can use, or if I should start looking into hand-coding
> Javascript with the prototype library to come up with a way.
>
> Also, if my mental model of how to do page updates is wrong, please
> correct me.
>
> Thanks!
> Tom
>
> _______________________________________________
> Rails mailing list
> Rails@lists.rubyonrails.org
> http://lists.rubyonrails.org/mailman/listinfo/rails
>
>
>

--
Roberto Saccon - http://rsaccon.com
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