Rails - Nov 2007 - Custom form builder methods won't render in partial

Methods of custom form builder work if the form is in a view, but  
doesn''t work if the form is in a partial.

My rediced code example looks like this:

# -- Builder -----------------------------------------
class CustomBuilder < ActionView::Helpers::FormBuilder

def drawTextField
   return ''<input type="text" />''
end
end

# -- View --------------------------------------------
<% form_for :thisUser,
   :url => {:action => :testForm},
   :builder => CustomBuilder do |form| %>

   <%= render(:partial => ''testForm''}) rescue nil %>

<% end %>

# -- Partial -----------------------------------------
<%= form.drawTextField %>


If I simply move the drawTextField line into the view it works fine.  
Using the partial, the page renders everything but the partial (no  
field). No errors in log.

I poked around a fair bit, but have no more ideas to try.

-- gw (www.railsdev.ws)



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On Nov 16, 2007, at 3:59 PM, Greg Willits wrote:
> Methods of custom form builder work if the form is in a view, but
> doesn''t work if the form is in a partial.
Nevermind. I''m an idiot. Obviously the |form| object has to be passed  
into the partial. Duh.

-- gw (www.railsdev.ws)



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Greg,
I don''t mean to muddy the waters on this question, but I believe that
you need to have a

<%= render :partial => "form", :locals => { :form => form
} %>

type statement to pass the ''form'' value from the calling view
to the
partial.
Kathy

On Nov 17, 3:11 am, Greg Willits
<li...-0Bv1hcaDFPRk211Z5VL+QA@public.gmane.org>
wrote:
> On Nov 16, 2007, at 3:59 PM, Greg Willits wrote:
>
> > Methods of custom form builder work if the form is in a view, but
> > doesn''t work if the form is in a partial.
>
> Nevermind. I''m an idiot. Obviously the |form| object has to be
passed
> into the partial. Duh.
>
> -- gw (www.railsdev.ws)
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I don''t think so. Your formbuilder methods will be available to  
partials just as if they were any view. I use a custom formbuilder in  
almost all my forms and I use a lot of partials due to heavy reliance  
on rjs. Greg, I didn''t see the original stacktrace you sent. Can you  
paste it back in?

-Bill

On Nov 17, 2007, at 5:31 AM, KathysKode-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
wrote:
>
> Greg,
> I don''t mean to muddy the waters on this question, but I believe
that
> you need to have a
>
> <%= render :partial => "form", :locals => { :form =>
form } %>
>
> type statement to pass the ''form'' value from the calling
view to the
> partial.
> Kathy
>
> On Nov 17, 3:11 am, Greg Willits
<li...-0Bv1hcaDFPRk211Z5VL+QA@public.gmane.org> wrote:
>> On Nov 16, 2007, at 3:59 PM, Greg Willits wrote:
>>
>>> Methods of custom form builder work if the form is in a view, but
>>> doesn''t work if the form is in a partial.
>>
>> Nevermind. I''m an idiot. Obviously the |form| object has to be
passed
>> into the partial. Duh.
>>
>> -- gw (www.railsdev.ws)
> >

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@Kathy
> <%= render :partial => "form", :locals => { :form =>
form } %>
Yeah, that''s what I did to solve it.

@Bill
> Your formbuilder methods will be available to
> partials just as if they were any view"
Hmm, well, there''s a definite correlation to it working or not if I  
pass the the form builder into the partial.
> I didn''t see the original stacktrace you sent. Can you
> paste it back in?
Below is the original reduced code I tested. The update now is that  
if I add a :locals to the render command to pass the form variable  
thru, it works.

-- gw (www.railsdev.ws)


On Nov 16, 2007, at 3:59 PM, Greg Willits wrote:
> Methods of custom form builder work if the form is in a view, but
> doesn''t work if the form is in a partial.
>
> My rediced code example looks like this:
>
> # -- Builder -----------------------------------------
> class CustomBuilder < ActionView::Helpers::FormBuilder
>
> def drawTextField
>    return ''<input type="text" />''
> end
> end
>
> # -- View --------------------------------------------
> <% form_for :thisUser,
>    :url => {:action => :testForm},
>    :builder => CustomBuilder do |form| %>
>
>    <%= render(:partial => ''testForm''}) rescue nil
%>
>
> <% end %>
>
> # -- Partial -----------------------------------------
> <%= form.drawTextField %>
>
>
> If I simply move the drawTextField line into the view it works fine.
> Using the partial, the page renders everything but the partial (no
> field). No errors in log.
>
> I poked around a fair bit, but have no more ideas to try.





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Why did you think "form" would be in scope in the partial? The way I  
always handle this is as follows:

<% form_for :foo do |f| %>
   <%= render :partial => ''bar'', :locals => {:f =>
f} %>
<% end %>

Then in the partial, using any member of the yielded object "f" is  
valid.

Does this help?

On Nov 16, 2007, at 3:59 PM, Greg Willits wrote:
>
> Methods of custom form builder work if the form is in a view, but
> doesn''t work if the form is in a partial.
>
> My rediced code example looks like this:
>
> # -- Builder -----------------------------------------
> class CustomBuilder < ActionView::Helpers::FormBuilder
>
> def drawTextField
>    return ''<input type="text" />''
> end
> end
>
> # -- View --------------------------------------------
> <% form_for :thisUser,
>    :url => {:action => :testForm},
>    :builder => CustomBuilder do |form| %>
>
>    <%= render(:partial => ''testForm''}) rescue nil
%>
>
> <% end %>
>
> # -- Partial -----------------------------------------
> <%= form.drawTextField %>
>
>
> If I simply move the drawTextField line into the view it works fine.
> Using the partial, the page renders everything but the partial (no
> field). No errors in log.
>
> I poked around a fair bit, but have no more ideas to try.
>
> -- gw (www.railsdev.ws)
>
>
>
> >

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