Thank you for the quick reply. Wouldn't something like this be
possible using 'limit_choices_to' argument in the ForeignKey
definition?

On Oct 27, 2:44 am, Malcolm Tredinnick <[EMAIL PROTECTED]>
wrote:
> On Fri, 2007-10-26 at 19:01 +0000, myahya wrote:
> > I have two models: products and catregories. A product can belong to
> > exactly one category. To make navigation easier, I use nested
> > categories. I want to limit the admin's ability to add a product only
> > to the leaf categories (those with no children). So if I the following
> > structure
> > Electronics > Mobile Phones > Nokia
> > Electronics > Cameras
> > The admin can add product to the Nokia or Cameras categories.
>
> By itself, the admin application isn't designed to handle this. You'll
> need to write some Javascript to control the options (and remember to
> re-validate them in the save() method of your model).
>
> Regards,
> Malcolm
>
> --
> I don't have a solution, but I admire your 
> problem.http://www.pointy-stick.com/blog/


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