Re: problem with conditional form

Thanks. I'll give that a shot...

On Feb 24, 12:17 pm, Michael Elkins <m...@sigpipe.org> wrote:
> On Fri, Feb 24, 2012 at 10:21:23AM -0800, Len De Groot wrote:
> >I added a model to set the form-type to "0" or "1" which corresponds
> >to "Long form" and "Short form"
>
> >When I create a new long form and add the following to the form page
> >template I get the expected answer:
>
> >{{app.workshop.type.get_form_type_display}}  results in "Long form"
>
> >I'm trying to use this syntax to write an if statement that shows or
> >hides an element based on the form_type.  So when I'm in my forms.py
> >doc I include this:
>
> >    if self.workshop.type.form_type == '0':
> >        home_address = forms.CharField(
> >                        label="Home Street Address",
> >                        required=False,
> >                    )
>
> >Self returns the error "not defined".  As does instance, this, etc.
>
> Without seeing the surrounding context, it is difficult to say
> what is wrong with the code.
>
> However, I think that an alternative approach might be to declare
> a form class for your short form, and then have the long form
> inherit from the short form and add the extra fields you want:
>
> class ShortForm(forms.Form):
>         name = forms.CharField()
>
> class LongForm(ShortForm):
>          home_address = forms.CharField(
>                          label="Home Street Address",
>                          required=False,
>                      )
>
> In your view, you just create a ShortForm() or LongForm() as
> needed.  Your template won't need to be aware of the difference.

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