Rails - Dec 2007 - Scaffolds, Multiple Tables, and Key Fields

Is there a simple way to edit two tables with a has_many/belongs_to
relationship?   I have a very typical parent table (Departments) with
an id, name, description, etc.   And I have a child Resources table
with an id, department_id, title, description, and other fields.

I want to allow a user to edit the child table but I see that the
standard behavior for scaffolds is to suppress displaying key fields
(primary and foreign) is there a way to override this?

Basically when I''m editing the child record I really need to display
the Department.title.    I know I can do this by hand, but I''d like
the scaffolding to help me if possible!    is it?

Thanks,

Gary H.
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Check out the 3-part screencast on complex forms at railscasts.com
starting with #73
http://railscasts.com/episodes/73

This will walk you through setting up editing two forms at once if you
want something more complex.

On Dec 6, 9:21 pm,
"gary.huntr...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
<gary.huntr...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Basically when I''m editing the child record I really need to
display
> the Department.title.    I know I can do this by hand, but I''d
like
> the scaffolding to help me if possible!    is it?
I don''t know of a way for Scaffold to do it, possibly ActiveScaffold
would. http://activescaffold.com/

or just In your Resources (that''s the child right?) view, use this in
your _form
<%= collection_select :resource, :department_id,
Department.find(:all), :id, :name %>

Read more about collection_select here:
http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsHelper.html#M000928

it puts in department_id of a resource from what was collected from
all department listings and give you a select field with id of
department as a value and name of department as text.

and in your list use <%= resource.department.name %> inside the for
statement, and in show <%= @resource.department.name %> anywhere.

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