Ruby on Rails

On 27 November 2010 09:16, Rob Lacey <contact@robl.me> wrote:
> I'm judging from your response that you would you argue that using a
> Rails view helper inside another view helper is wrong then? I would
> say this isn't crazy its just trying to DRY up a small form (just a
> button) I am using in lots of different places.
>
> I found the solution in the end.
>
> module MyHelper
>
>  def button_thing_attempt_2
>   with_output_buffer(form_for(Button.new) do |f|
>     concat(f.submit 'Push')
>   end)
>  end
>
> end

I think it would be more conventional to put the form in a partial to
achieve the re-usability.

By the way it is considered bad form (!) to access a model directly
from the view or view helper. It is better in the controller to say
@button = Button.new
then use @button in the view.

Colin

>
> RobL
>
> On 27 November 2010 03:16, daze <dmonopoly10@gmail.com> wrote:
>> Whoa whoa whoa.  form_for is for the VIEW.  It generates html.
>> Specifcally, it generates <form> tags and etc...
>>
>>
>> On Nov 26, 2:35 pm, RobL <pgdst...@gmail.com> wrote:
>>> Hi there,
>>>
>>> I'm having an awful lot of trouble trying to use form_for inside a
>>> helper. Any ideas how to get this to work?
>>>
>>> module MyHelper
>>>
>>>    def button_thing_attempt_1
>>>      form_for(Button.new) do |f|
>>>       f.submit 'Push'
>>>     end
>>>   end
>>>
>>>   def button_thing_attempt_2
>>>     with_output_buffer(form_for(Button.new) do |f|
>>>       f.submit 'Push'
>>>     end)
>>>   end
>>>
>>> end
>>>
>>> While I get attempt 2 to render the form, the submit button is
>>> missing. I'm just not quite sure how to really capture the complete
>>> output of form_for.
>>>
>>> Many thanks for any help here
>>>
>>> RobL
>>
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>
>
>
> --
> Rob Lacey
> contact@robl.me
> http://www.robl.me
>
> --
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>

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