Allow ordering of ApplicationForm questions

Closes #775

alliance_auth/settings.py.example

@@ -42,6 +42,7 @@ INSTALLED_APPS = [
     'permissions_tool',
     'geelweb.django.navhelper',
     'bootstrap_pagination',
+    'sortedm2m',
 
     # Services - comment out if not used
     'services.modules.mumble',

hrapplications/admin.py

@@ -11,8 +11,4 @@ admin.site.register(Application)
 admin.site.register(ApplicationComment)
 admin.site.register(ApplicationQuestion)
 admin.site.register(ApplicationResponse)
-
-
-@admin.register(ApplicationForm)
-class ApplicationFormAdmin(admin.ModelAdmin):
-    filter_horizontal = ['questions']
+admin.site.register(ApplicationForm)

hrapplications/migrations/0003_sorted_questions.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-03-27 03:29
+from __future__ import unicode_literals
+
+from django.db import migrations
+import sortedm2m.fields
+from sortedm2m.operations import AlterSortedManyToManyField
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hrapplications', '0002_make_strings_more_stringy'),
+    ]
+
+    operations = [
+        AlterSortedManyToManyField(
+            model_name='applicationform',
+            name='questions',
+            field=sortedm2m.fields.SortedManyToManyField(help_text=None, to='hrapplications.ApplicationQuestion'),
+        ),
+    ]

hrapplications/models.py

@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 from django.utils.encoding import python_2_unicode_compatible
 from django.db import models
 from django.contrib.auth.models import User
-
+from sortedm2m.fields import SortedManyToManyField
 from eveonline.models import EveCharacter
 from eveonline.models import EveCorporationInfo
 
@@ -18,7 +18,7 @@ class ApplicationQuestion(models.Model):
 
 @python_2_unicode_compatible
 class ApplicationForm(models.Model):
-    questions = models.ManyToManyField(ApplicationQuestion)
+    questions = SortedManyToManyField(ApplicationQuestion)
     corp = models.OneToOneField(EveCorporationInfo)
 
     def __str__(self):

requirements.txt

@@ -17,6 +17,7 @@ django-navhelper
 django-bootstrap-pagination
 django-redis>=4.4
 django-registration
+django-sortedm2m
 
 # awating release for fix to celery/django-celery#447
 # django-celery