Rails - Aug 2011 - Nesting select and text_field in radio_button

I''m creating my first Rails app and need an idea creating forms.

I have Meeting model with place attribute.

I want to have two fields for Meeting.place = one would be select with
places from other meetings or text_field if the place is being used
first time. User would be selecting radio_button of which field he has
used.

So is there any way to nest select and text_field within 2
radio_buttons?

I would appreciate any other solution ideas too.
Cheers

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On Tue, Aug 9, 2011 at 5:49 AM, Jarek Plonski
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
> I want to have two fields for Meeting.place = one would be select with
> places from other meetings or text_field if the place is being used
> first time. User would be selecting radio_button of which field he has
> used.
>
> So is there any way to nest select and text_field within 2
> radio_buttons?
Why bother with the radio buttons?

If there''s something in the text field use it; otherwise use the value
from
the select. (You''ll want to check that at least one has a value
anyway.)

-- 
Hassan Schroeder ------------------------
hassan.schroeder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
http://about.me/hassanschroeder
twitter: @hassan

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> Why bother with the radio buttons?
>
> If there''s something in the text field use it; otherwise use the
value
> from
> the select. (You''ll want to check that at least one has a value
anyway.)
Is it possible to check it in view or only in controller after 
submitting the form??

This one is only populating :place param from the last :place field

= form_for @meeting do |f|
  ...
  .field
    = f.label :place
    = f.text_field :place
  .field
    = f.label :place
    = f.select  :place, options_for_select(Meeting.places, 
params[:place])
  .field
    = f.label :total_places
    = f.text_field :total_places
  .actions
    = f.submit ''Save''


I''m newbie and haven''t seen similar form in books.

Other idea is to populate text from select box into text_field - how 
about that??

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On Tue, Aug 9, 2011 at 7:53 AM, Jarek Plonski
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
> Is it possible to check it in view or only in controller after
> submitting the form??
You need that information in the controller, so might as well put the
logic there (IMO).
> This one is only populating :place param from the last :place field
The two form elements need to have different names.

-- 
Hassan Schroeder ------------------------
hassan.schroeder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
http://about.me/hassanschroeder
twitter: @hassan

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On Aug 9, 2011, at 8:49 AM, Jarek Plonski wrote:
> I''m creating my first Rails app and need an idea creating forms.
>
> I have Meeting model with place attribute.
>
> I want to have two fields for Meeting.place = one would be select with
> places from other meetings or text_field if the place is being used
> first time. User would be selecting radio_button of which field he has
> used.
>
> So is there any way to nest select and text_field within 2
> radio_buttons?
>
> I would appreciate any other solution ideas too.
> Cheers
>
Here''s how I usually solve this (requires Prototype, you''ll
have to
translate if you''re using jQuery):

<script type="text/javascript>
	if($(''user_practice_id'')){
	
$(''user_practice_id'').options[$(''user_practice_id'').options.length]
= new Option(''New...'',''New...'');
	
$(''user_practice_id'').observe(''change'',function(evt){
			if($F(this) == ''New...''){
				var text_input = new Element(''input'', 
{type:''text'',size:''60'',name:''practice_name'',id:''practice_name''});
				this.insert({before:text_input});
				text_input.focus();
				text_input[''_bak''] = $ 
(''user_practice_id'').hide().options.selectedIndex = 0;
				text_input.observe(''blur'',function(evt){
					if($F(this) == '''' && this._bak){
						this._bak.show();
						this.remove();
					}
				});
			}
		});
	}
</script>

In the controller, I test for the presence of the practice_name  
attribute, and if it''s there, create a new Practice before assigning  
the practice to the User.

       if( params[:practice_name]  )
         practice = Practice.create({:name =>
params[''practice_name'']})
         params[:user][:practice_id] = practice.id
       end
       # regular save/update here

This gets you a "combo-box", where you can choose, or add new, in one
interface "slot".

Walter


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