modified form fields, instantiation, and chosen.js options to render major for update_student

roomlist/accounts/forms.py

@@ -80,7 +80,7 @@ class StudentUpdateForm(forms.Form):
     room = SelectRoomField(queryset=Room.objects.all(), required=False)
 
     privacy = forms.TypedChoiceField(choices=Student.PRIVACY_CHOICES)
-    major = forms.ModelChoiceField(queryset=Major.objects.all(), required=False)
+    major = forms.ModelMultipleChoiceField(queryset=Major.objects.all(), required=False)
     graduating_year = forms.IntegerField()
 
     def clean(self):

roomlist/accounts/templates/update_student.html

@@ -212,7 +212,7 @@
           </div>
           <div class="form-group">
             <label for="{{ my_form.major.id_for_label }}" class="col-md-2">
-              Major<br />(select one)
+              Major(s)
             </label>
             <div class="col-md-4">
               {{ my_form.major }}
@@ -268,7 +268,7 @@
 <script type="text/javascript" src="/static/js/chained.min.js"></script>
 <script type="text/javascript" src="/static/js/chosen.min.js"></script>
 <script>
-$(".chosen-select").chosen()
+$(".chosen-select").chosen({max_selected_options: 2});
 </script>
 {% include 'room_selection_script.html' %}
 {% endblock javascript %}

roomlist/accounts/views.py

@@ -154,6 +154,7 @@ class UpdateStudent(LoginRequiredMixin, FormValidMessageMixin, FormView):
         context = super(UpdateStudent, self).get_context_data(**kwargs)
 
         me = Student.objects.get(user=self.request.user)
+        majors = [pk_or_none(me, major) for major in me.major.all()]
 
         form = StudentUpdateForm(initial={'first_name': me.user.first_name,
                                           'last_name': me.user.last_name,
@@ -161,7 +162,7 @@ class UpdateStudent(LoginRequiredMixin, FormValidMessageMixin, FormView):
                                           'show_gender': me.show_gender,
                                           'room': pk_or_none(me, me.room),
                                           'privacy': me.privacy,
-                                          'major': pk_or_none(me, me.major),
+                                          'major': majors,
                                           'graduating_year': me.graduating_year,
                                           'on_campus': me.on_campus, })