group and order location groups in editor

src/c3nav/editor/static/editor/css/editor.scss

@@ -205,6 +205,11 @@ a.list-group-item .badge {
 .itemtable tr.highlight td {
     background-color:#FFFFDD;
 }
+.itemtable .item-group-header td {
+    padding-top: 20px;
+    font-size: 140%;
+    line-height: 85%;
+}
 .cancel-btn {
     margin-right:8px;
 }

src/c3nav/editor/templates/editor/list.html

@@ -30,20 +30,32 @@
 
 <table class="table table-condensed itemtable" data-nozoom data-list="{{ model_name }}">
     <tbody>
-        {% for item in objects %}
-            {% if forloop.counter0|divisibleby:10 %}
-                <tr>
-                    <td><a href="{{ back_url }}" data-no-next-zoom>&laquo; {{ back_title }}</a></td>
+        {% for objects in grouped_objects %}
+            {% if objects.title %}
+                <tr class="item-group-header">
+                    <td>{{ objects.title }}</td>
+                    {% for col in add_cols %}<td></td>{% endfor %}
                     <td></td>
                 </tr>
             {% endif %}
-            <tr data-pk="{{ item.pk }}">
-                <td>{{ item.title }}</td>
-                <td><a href="{{ item.edit_url }}">{{ edit_caption }}</a></td>
-            </tr>
+            {% for item in objects.objects %}
+                {% if forloop.counter0|divisibleby:10 %}
+                    <tr>
+                        <td><a href="{{ back_url }}" data-no-next-zoom>&laquo; {{ back_title }}</a></td>
+                        {% for col in add_cols %}<td></td>{% endfor %}
+                        <td></td>
+                    </tr>
+                {% endif %}
+                <tr data-pk="{{ item.pk }}">
+                    <td>{{ item.title }}</td>
+                    {% for col in item.add_cols %}<td>{{ col }}</td>{% endfor %}
+                    <td><a href="{{ item.edit_url }}">{{ edit_caption }}</a></td>
+                </tr>
+            {% endfor %}
         {% endfor %}
         <tr>
             <td><a href="{{ back_url }}" data-no-next-zoom>&laquo; {{ back_title }}</a></td>
+            {% for col in add_cols %}<td></td>{% endfor %}
             <td></td>
         </tr>
     </tbody>

src/c3nav/editor/views/edit.py

@@ -436,6 +436,8 @@ def list_objects(request, model=None, level=None, space=None, explicit_edit=Fals
         queryset = queryset.filter(model.q_for_request(request))
     reverse_kwargs = {}
 
+    add_cols = []
+
     if level is not None:
         reverse_kwargs['level'] = level
         level = get_object_or_404(Level.objects.filter(Level.q_for_request(request)), pk=level)
@@ -477,6 +479,16 @@ def list_objects(request, model=None, level=None, space=None, explicit_edit=Fals
         })
     else:
         edit_utils = DefaultEditUtils(request)
+
+        with suppress(FieldDoesNotExist):
+            model._meta.get_field('category')
+            queryset = queryset.select_related('category')
+
+        with suppress(FieldDoesNotExist):
+            model._meta.get_field('priority')
+            add_cols.append('priority')
+            queryset = queryset.order_by('-priority')
+
         ctx.update({
             'back_url': reverse('editor.index'),
             'back_title': _('back to overview'),
@@ -486,13 +498,31 @@ def list_objects(request, model=None, level=None, space=None, explicit_edit=Fals
     for obj in queryset:
         reverse_kwargs['pk'] = obj.pk
         obj.edit_url = reverse(edit_url_name, kwargs=reverse_kwargs)
+        obj.add_cols = tuple(getattr(obj, col) for col in add_cols)
     reverse_kwargs.pop('pk', None)
 
+    if model.__name__ == 'LocationGroup':
+        LocationGroupCategory = request.changeset.wrap_model('LocationGroupCategory')
+        grouped_objects = tuple(
+            {
+                'title': category.title,
+                'objects': tuple(obj for obj in queryset if obj.category_id == category.pk)
+            }
+            for category in LocationGroupCategory.objects.order_by('-priority')
+        )
+    else:
+        grouped_objects = (
+            {
+                'objects': queryset,
+            },
+        )
+
     ctx.update({
         'can_create': edit_utils.can_create and can_edit,
         'geometry_url': edit_utils.geometry_url,
+        'add_cols': add_cols,
         'create_url': reverse(resolver_match.url_name[:-4] + 'create', kwargs=reverse_kwargs),
-        'objects': queryset,
+        'grouped_objects': grouped_objects,
     })
 
     return APIHybridTemplateContextResponse('editor/list.html', ctx,

src/c3nav/editor/wrappers.py

@@ -418,7 +418,7 @@ class BaseQueryWrapper(BaseWrapper):
     @get_queryset
     def order_by(self, *args):
         """
-        Order by is not yet supported on created instances because this is not needed so far.
+        Order only supported for numeric fields for now
         """
         return self._wrap_queryset(self._obj.order_by(*args))
 
@@ -910,6 +910,12 @@ class QuerySetWrapper(BaseQueryWrapper):
 
         result += list(self._get_created_objects())
 
+        ordering = self._obj.query.order_by
+        if ordering:
+            result = sorted(result, key=lambda obj: tuple(
+                getattr(obj, field.lstrip('-'))*(-1 if field[0] == '-' else 1) for field in ordering
+            ))
+
         for extra in self._extra:
             # implementing the extra() call for prefetch_related
             ex = extra[22:]