workshop attendee: modify talk form

proposals/forms.py

@@ -31,7 +31,7 @@ class TalkForm(forms.ModelForm):
 
     class Meta:
         model = Talk
-        fields = ['title', 'abstract', 'description', 'topics', 'track', 'notes', 'event', 'speakers', 'duration', 'start_date', 'room']
+        fields = ['title', 'abstract', 'description', 'topics', 'track', 'notes', 'event', 'speakers', 'duration', 'start_date', 'room', 'registration_required', 'attendees_limit']
         widgets = {'topics': forms.CheckboxSelectMultiple(), 'speakers': Select2TagWidget()}
         help_texts = {
             'abstract': _('Should be less than 255 characters'),

proposals/models.py

@@ -200,7 +200,7 @@ class Talk(PonyConfModel):
             return None
 
     @property
-    def remaining_attendee(self):
+    def remaining_attendees(self):
         if self.registration_required and self.attendees_limit:
             return self.attendees_limit - self.attendees.count()
         else:

proposals/templates/proposals/talk_edit.html

@@ -20,4 +20,17 @@
 {% block js_end %}
 {{ block.super }}
 {{ form.media.js }}
+<script type="text/javascript">
+var update_attendees_limit = function() {
+    if ($("#id_registration_required").is(":checked")) {
+        $(".form-group:has(#id_attendees_limit)").show();
+    } else {
+        $(".form-group:has(#id_attendees_limit)").hide();
+    }
+}
+$(function() {
+    update_attendees_limit();
+    $("#id_registration_required").change(update_attendees_limit);
+})
+</script>
 {% endblock js_end %}