I'd start by looking at the HTML that results, particularly the "input name" parts. From your symptoms, it sounds like you may have two (or more) with the same name.
Chris > -----Original Message----- > From: django-users@googlegroups.com [mailto:[EMAIL PROTECTED] > On Behalf Of Tim > Sent: 22 January 2008 1:30 PM > To: Django users > Subject: Multiple form objects, only getting contents from last one > > > Hello, > > I am working on a small app, based on Malcolm Tredinnick's "complex > forms" article, located at http://www.pointy- > stick.com/blog/2008/01/06/django-tip-complex-forms/. > > I have a few quiz questions, where each displays its available > answers. The end result is that there are multiple Django (new) forms > within one HTML form object, as intended. However, the answers for > each quiz question are getting set to those for the last question in > the list, as shown below: > > What is your quest? > > Answers: > Red! > Purple! > > What is your favourite colour? > > Answers: > Red! > Purple! > > > If there is one question, the answers match up, but otherwise they're > wrong for all but the last one. My own version (his is below) just > adds a bunch of debug print statements. What I think is happening > though, is that the answers coming from the database are correct, but > the part where the fields are set appears to reference answers as a > class variable. Does this sound correct? From debug output, the > self.fields value starts off pretty much empty, then is updated OK the > first time. For the second question, the self.fields still has the > contents from the first question, until it updates it. Shouldn't this > be a separate variable instance per question? > > Suggestions are welcome. > > Thanks, > Tim > > (code follows) > > > > """ > Create the quiz form(s). > """ > > from django import newforms as forms > from django.http import Http404 > > from models import Question > > class QuestionForm(forms.Form): > answers = forms.ChoiceField(widget=forms.RadioSelect()) > > def __init__(self, question, *args, **kwargs): > super(QuestionForm, self).__init__(*args, **kwargs) > self.problem = question.problem > answers = question.answers.order_by('statement') > self.fields['answers'].choices = [(i, a.statement) for i, a in > enumerate(answers)] > > # We need to work out the position of the correct answer in > the sorted > # list of all possible answers. > for pos, answer in enumerate(answers): > if answer.id == question.correct_answer_id: > self.correct = pos > break > > def is_correct(self): > """ > Determines if the given answer is correct (for a bound form). > """ > if not self.is_valid(): > return False > return self.cleaned_data['answers'] == str(self.correct) > > def create_quiz_forms(quiz_id, data=None): > questions = > Question.objects.filter(quiz__pk=quiz_id).order_by('id') > form_list = [] > for pos, question in enumerate(questions): > form_list.append(QuestionForm(question, data, prefix=pos)) > if not form_list: > # No questions found, so the quiz_id must have been bad. > raise Http404('Invalid quiz id.') > return form_list > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
