Rails - Mar 2010 - Rendering an action (with layout) into a Javascript template

Hi everyone

I have an action:

def index
  @settings = Setting.all(:order => ''name'')

  respond_to do |format|
    format.html
    format.js
  end
end

and corresponding views:

index.html.erb:

<h1>Settings</h1>
...


index.js.erb

$("<%= escape_javascript(render XXX) %>").bigDialog();


So what''s happening is that for HTML requests the HTML template will
be rendered (inside application.html.erb) and for Javascript requests
I want the HTML template to be rendered as a string into the
Javascript snippet so that jQuery can throw out a dialog. The catch is
that dialogs have a separate layout file, dialog.html.erb.

Is there a way to render a template with a layout into my Javascript
snippet where I''ve typed "render XXX"? I''ve looked
at render_to_string
but that breaks MVC by taking view material into the controller.

Ideally, I''d like something like render(:action =>
''index.html.erb'', :layout => ''dialog'')
(note index.html.erb to
distinguish it from index.js.erb) and have this rendered inline.

Ideas?

Thanks!
Tristan

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On Mar 1, 3:11 am, Tristan
<tristanmchar...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> Is there a way to render a template with a layout into my Javascript
> snippet where I''ve typed "render XXX"? I''ve
looked at render_to_string
> but that breaks MVC by taking view material into the controller.
>
> Ideally, I''d like something like render(:action =>
> ''index.html.erb'', :layout =>
''dialog'') (note index.html.erb to
> distinguish it from index.js.erb) and have this rendered inline.
I think either render :template, or render :action => ..., :format =>
''html'' would do this

Fred
>
> Ideas?
>
> Thanks!
> Tristan
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Thanks for the answer Fred.

After reading the docs for ActionView::Base.render (http://apidock.com/
rails/ActionView/Base/render) I found that ActionView''s render is
quite different to ActionController''s render. Notably, there
aren''t
options for :template or :action. However, there is an option
for :file and you can also provide a :layout option which I''ve done:

$("<%= escape_javascript(render(:file => ''settings/
index.html.erb'', :layout => ''layouts/dialog''))
%>").bigDialog();

This is works very well but it''s long and not very agile with all
those full paths.

Going to use this for now but I''m going to keep searching for a more
robust solution.

T.

On Mar 2, 1:27 am, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On Mar 1, 3:11 am, Tristan
<tristanmchar...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > Is there a way to render a template with a layout into my Javascript
> > snippet where I''ve typed "render XXX"?
I''ve looked at render_to_string
> > but that breaks MVC by taking view material into the controller.
>
> > Ideally, I''d like something like render(:action =>
> > ''index.html.erb'', :layout =>
''dialog'') (note index.html.erb to
> > distinguish it from index.js.erb) and have this rendered inline.
>
> I think either render :template, or render :action => ..., :format =>
> ''html'' would do this
>
> Fred
>
>
>
>
>
> > Ideas?
>
> > Thanks!
> > Tristan
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