Rails - Nov 2008 - Overriding layout causes empty response with content_for

Hi,

I''m trying to pinpoint what the issue might be here. In a controller
that has the appropriate layout (layouts/controller.html.erb), if I try
to override the layout to the ''application'' layout only for
certain
actions, those actions do get rendered with the application layout...
Like this:

layout ''application'', :only => :new

The ''new'' action renders fine, but now the other actions
don''t render at
all!

No error or anything, just an empty response. I''ve tried renaming the
layout files to see if an error shows up, and no error (so no layout is
being picked up).

On my views I have content_for, so since nothing is yielding those
contents, nothing shows up. If I put something outside a content_for, it
does show up (without a layout of course).

If I explicitly render the layout on the action, it works, like so:

render :layout => ''somelayout''

So what''s the deal here?

Thanks in advance!
-- 
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I would try to explicitly specify the layout for the other actions.  If you
read the docs, you can sort of infer that no layout will be applied if you
explicitly apply a layout to some actions:
http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html

"This will assign "weblog_standard" as the
WeblogController''s
layout<http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html#M000301>except
for the
rss action, which will not wrap a
layout<http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html#M000301>around
the rendered view."

Not sure that''s the right answer -- just offering.

jim
jim-rants.com

On Wed, Nov 19, 2008 at 10:44 PM, Ivan V.
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>wrote:
>
> Hi,
>
> I''m trying to pinpoint what the issue might be here. In a
controller
> that has the appropriate layout (layouts/controller.html.erb), if I try
> to override the layout to the ''application'' layout only
for certain
> actions, those actions do get rendered with the application layout...
> Like this:
>
> layout ''application'', :only => :new
>
> The ''new'' action renders fine, but now the other actions
don''t render at
> all!
>
> No error or anything, just an empty response. I''ve tried renaming
the
> layout files to see if an error shows up, and no error (so no layout is
> being picked up).
>
> On my views I have content_for, so since nothing is yielding those
> contents, nothing shows up. If I put something outside a content_for, it
> does show up (without a layout of course).
>
> If I explicitly render the layout on the action, it works, like so:
>
> render :layout => ''somelayout''
>
> So what''s the deal here?
>
> Thanks in advance!
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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After unsuccessfully trying an after_filter to do the render, I did 
found out that it is rendering with render_with_no_layout... I was 
trying to avoid having an explicit render on every action, and now with 
your comment as I re-read the docs, I think I found an oh-so-ugly 
solution:

layout proc{ |controller| [ ''new'', ''etc'' 
].include?(controller.action_name) ? ''application'' :
''otherlayout'' }

Thanks

James Englert wrote:
> I would try to explicitly specify the layout for the other actions.  If 
> you
> read the docs, you can sort of infer that no layout will be applied if 
> you
> explicitly apply a layout to some actions:
>
http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html
> 
> "This will assign "weblog_standard" as the
WeblogController''s
>
layout<http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html#M000301>except
> for the
> rss action, which will not wrap a
>
layout<http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html#M000301>around
> the rendered view."
> 
> Not sure that''s the right answer -- just offering.
> 
> jim
> jim-rants.com
> 
> On Wed, Nov 19, 2008 at 10:44 PM, Ivan V.
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Ivan V. wrote:
> Hi,
> 
> I''m trying to pinpoint what the issue might be here. In a
controller
> that has the appropriate layout (layouts/controller.html.erb), if I try
> to override the layout to the ''application'' layout only
for certain
> actions, those actions do get rendered with the application layout...
> Like this:
> 
> layout ''application'', :only => :new
> 
> The ''new'' action renders fine, but now the other actions
don''t render at
> all!
> 
> No error or anything, just an empty response. I''ve tried renaming
the
> layout files to see if an error shows up, and no error (so no layout is
> being picked up).
> 
> On my views I have content_for, so since nothing is yielding those
> contents, nothing shows up. If I put something outside a content_for, it
> does show up (without a layout of course).
> 
> If I explicitly render the layout on the action, it works, like so:
> 
> render :layout => ''somelayout''
> 
> So what''s the deal here?
> 
> Thanks in advance!

Try this instead: specify a default controller-wide layout, and then 
action-specific layouts defined within the action itself via render.

class MyController < ActionController::Base
    layout "default_layout"

    def foo
      render :action => "foo", :layout => "foo_layout"
    end
end

http://api.rubyonrails.org/classes/ActionController/Layout/ClassMethods.html#M000301
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Hello - have you tried looking at Ryan Bates raiscasts - he has a
couple on layouts that might help
http://railscasts.com/tags/4?page=4
Owen

On Nov 19, 8:16 pm, Brian Ploetz
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> Ivan V. wrote:
> > Hi,
>
> > I''m trying to pinpoint what the issue might be here. In a
controller
> > that has the appropriate layout (layouts/controller.html.erb), if I
try
> > to override the layout to the ''application'' layout
only for certain
> > actions, those actions do get rendered with the application layout...
> > Like this:
>
> > layout ''application'', :only => :new
>
> > The ''new'' action renders fine, but now the other
actions don''t render at
> > all!
>
> > No error or anything, just an empty response. I''ve tried
renaming the
> > layout files to see if an error shows up, and no error (so no layout
is
> > being picked up).
>
> > On my views I have content_for, so since nothing is yielding those
> > contents, nothing shows up. If I put something outside a content_for,
it
> > does show up (without a layout of course).
>
> > If I explicitly render the layout on the action, it works, like so:
>
> > render :layout => ''somelayout''
>
> > So what''s the deal here?
>
> > Thanks in advance!
>
> Try this instead: specify a default controller-wide layout, and then
> action-specific layouts defined within the action itself via render.
>
> class MyController < ActionController::Base
>     layout "default_layout"
>
>     def foo
>       render :action => "foo", :layout =>
"foo_layout"
>     end
> end
>
> http://api.rubyonrails.org/classes/ActionController/Layout/ClassMetho...
> --
> Posted viahttp://www.ruby-forum.com/.
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