On May 13, 2008, at 01:00 , Mike Chambers wrote:
>
> I am working on a simple comment app that is meant to be generic and
> reusable. Everything is going well, but the one thing I am having a
> problem with is how to handle comment submissions that dont validate.
>
> For a normal form post, I would just validate the Form in the view,
> and
> then render the template with the Form. The template would then access
> the errors from the form class.
>
> However, since my comment app is standalone, it does not know which
> template should be rendered, and which data should be passed to the
> template.
You could have the error-handling app override the template for the
comment app. Consider something like this:
def submit_comment(request):
...
return render_to_response(['comments/template.html', 'comments/
default-template.html'], {form: the_form})
You would provide the "comments/default-template.html" template with
the reusable comments app, and in your project, add a "comments/
template.html" template, possibly in its own application. This works
because render_to_response (and render_to_string) tries to use the
templates in the order you listed them; the first match gets rendered.
For more examples of this, look at django.contrib.admin, where it's
used to allow you to override the admin interface's templates on a per-
app and per-model basis.
Cheers,
-- Alex
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