Merge lp:~nigelbabu/summit/fix-tracks-and-topics into lp:summit

[Nigel Babu]

Filters the topics and tracks form to show only the relevant topics and tracks

=== modified file 'summit/schedule/forms.py'
--- summit/schedule/forms.py	2010-03-05 10:33:36 +0000
+++ summit/schedule/forms.py	2011-02-15 03:19:15 +0000
@@ -16,7 +16,7 @@
 
 from django import forms
 
-from summit.schedule.models import Attendee
+from summit.schedule.models import Attendee, Track, Topic
 
 __all__ = (
     'TestForm',
@@ -25,6 +25,11 @@
 
 class AttendeeInterestForm(forms.ModelForm):
 
+    def __init__(self, *args, **kwargs):
+        super(AttendeeInterestForm, self).__init__(*args, **kwargs)
+        self.fields['tracks'].queryset = Track.objects.filter(summit=self.instance.summit)
+        self.fields['topics'].queryset = Topic.objects.filter(summit=self.instance.summit)
+
     class Meta:
         model = Attendee
         fields = ('tracks', 'topics')