Rails - Dec 2005 - Is there a list of html_options for the FormOptionsHelper?

I''m looking for a way to select a default value from a select box, like
this:

select("user", "role_id", Role.find_all.collect {|r| [
r.name, r.id ] },
{ :default_value => ''5'' }

(of course, there is no ":default_value")

If the form is being used on a ''create'' page, it should
display a
default in the select box. If the form is on the ''edit'' page,
it should
display the current value.

Thanks,
corny

(2nd day on Rails, 1st post to the forum)

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

On 12/18/05, Cornelius Bergen
<cornelius-4uiSEx/enRBBDgjK7y7TUQ@public.gmane.org>
wrote:
> I''m looking for a way to select a default value from a select box,
like
> this:
>
> select("user", "role_id", Role.find_all.collect {|r| [
r.name, r.id ] },
> { :default_value => ''5'' }
>
> (of course, there is no ":default_value")
>
> If the form is being used on a ''create'' page, it should
display a
> default in the select box. If the form is on the ''edit''
page, it should
> display the current value.
Assuming I''m understanding your question correctly, this should be
handled automatically by the #select method. According to the API
documentation [1]:

    The option currently held by the object will be selected, provided that
    the object is available.

[1]
http://api.rubyonrails.com/classes/ActionView/Helpers/FormOptionsHelper.html#M000351

--
Regards,
John Wilger
http://johnwilger.com

-----------
Alice came to a fork in the road. "Which road do I take?" she asked.
"Where do you want to go?" responded the Cheshire cat.
"I don''t know," Alice answered.
"Then," said the cat, "it doesn''t matter."
- Lewis Carrol, Alice in Wonderland

On 12/18/05, Cornelius Bergen
<cornelius-4uiSEx/enRBBDgjK7y7TUQ@public.gmane.org>
wrote:
> I''m looking for a way to select a default value from a select box,
like
> this:
>
> select("user", "role_id", Role.find_all.collect {|r| [
r.name, r.id ] },
> { :default_value => ''5'' }
>
> (of course, there is no ":default_value")
>
> If the form is being used on a ''create'' page, it should
display a
> default in the select box. If the form is on the ''edit''
page, it should
> display the current value.
html_options are for attributes, like class.

select is one of the form helpers that uses ActiveRecord.  The default
value is therefore whatever @user.role_id is.  You should be able to
set it in the controller.

--
rick
http://techno-weenie.net

Thanks Rick, that did it!

John, if the object is NOT available I wanted to display a default 
option.

In the ''Account/signup'' controller, I put:

  @user = User.new(@params[:user])
  @roles = Role.find_all
  @user.role_id = ''5''

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