Best way to get request object from within Symfony forms?

Question

I use Symfony and Doctrine to generate forms for my CMSes. Lately I\'ve been customizing them by setting default values based on specific URL parameters.

For exampl

Answer 1

Whenever I need the context in a form, I'm doing it via constructor injection.

in the action:

$this->form = new WhateverForm($whatever, array("context" => $this->getContext()));

in the form:

$this->getOption("context");