edit sections on top of other sections

src/c3nav/editor/templates/editor/edit.html

@@ -6,11 +6,19 @@
 <a class="btn btn-sm {% if new %}btn-danger{% else %}btn-default{% endif %} pull-right" href="{{ back_url }}">
     {% trans 'Cancel' %}
 </a>
-{% if new %}
-    <h3>{% blocktrans %}New {{ model_title }}{% endblocktrans %}</h3>
-{% else %}
-    <h3>{% blocktrans %}Edit {{ model_title }}{% endblocktrans %}</h3>
-{% endif %}
+
+<h3>
+    {% if new %}
+        {% blocktrans %}New {{ model_title }}{% endblocktrans %}
+    {% else %}
+        {% blocktrans %}Edit {{ model_title }}{% endblocktrans %}
+    {% endif %}
+    {% if on_top_of %}
+        {% with on_top_of.title as on_top_of_section_title %}
+            <small>{% blocktrans %}on top of {{ on_top_of_section_title }}{% endblocktrans %}</small>
+        {% endwith %}
+    {% endif %}
+</h3>
 <form action="{{ path }}" method="post" data-onbeforeunload {% if new %}data-new="{{ model_name }}" data-geomtype="{{ geomtype }}"{% else %}data-editing="{{ model_name }}-{{ pk }}"{% endif %}>
     {% csrf_token %}
     {% bootstrap_form form %}

src/c3nav/editor/templates/editor/section.html

@@ -25,7 +25,7 @@
 {% include 'editor/fragment_child_models.html' %}
 
 {% if section.on_top_of == None %}
-<a class="btn btn-default btn-sm pull-right" accesskey="n" href="{{ create_url }}">
+<a class="btn btn-default btn-sm pull-right" accesskey="n" href="{% url 'editor.sections_on_top.create' on_top_of=section.pk %}">
     {% blocktrans %}New {{ model_title }}{% endblocktrans %}
 </a>
 <h3>{% trans 'Sections on top' %}</h3>

src/c3nav/editor/urls.py

@@ -32,6 +32,8 @@ urlpatterns = [
     url(r'^$', main_index, name='editor.index'),
     url(r'^sections/(?P<pk>[0-9]+)/$', section_detail, name='editor.sections.detail'),
     url(r'^sections/(?P<section>[0-9]+)/spaces/(?P<pk>[0-9]+)/$', space_detail, name='editor.spaces.detail'),
+    url(r'^sections/(?P<on_top_of>[0-9]+)/sections_on_top/create$', edit, name='editor.sections_on_top.create',
+        kwargs={'model': 'Section'}),
 ]
 urlpatterns.extend(add_editor_urls('Section', with_list=False, explicit_edit=True))
 urlpatterns.extend(add_editor_urls('LocationGroup'))

src/c3nav/editor/views.py

@@ -79,7 +79,7 @@ def space_detail(request, section, pk):
 
 
 @sidebar_view
-def edit(request, pk=None, model=None, section=None, space=None, explicit_edit=False):
+def edit(request, pk=None, model=None, section=None, space=None, on_top_of=None, explicit_edit=False):
     model = EDITOR_FORM_MODELS[model]
     related_name = model._meta.default_related_name
 
@@ -98,6 +98,8 @@ def edit(request, pk=None, model=None, section=None, space=None, explicit_edit=F
         section = get_object_or_404(Section, pk=section)
     elif space is not None:
         space = get_object_or_404(Space, pk=space)
+    elif on_top_of is not None:
+        on_top_of = get_object_or_404(Section.objects.filter(on_top_of__isnull=True), pk=on_top_of)
 
     new = obj is None
     # noinspection PyProtectedMember
@@ -123,6 +125,13 @@ def edit(request, pk=None, model=None, section=None, space=None, explicit_edit=F
         if not new:
             ctx.update({
                 'geometry_url': '/api/editor/geometries/?section='+str(obj.primary_section_pk),
+                'on_top_of': obj.on_top_of,
+            })
+        elif on_top_of:
+            ctx.update({
+                'geometry_url': '/api/editor/geometries/?section=' + str(on_top_of.pk),
+                'on_top_of': on_top_of,
+                'back_url': reverse('editor.sections.detail', kwargs={'pk': on_top_of.pk}),
             })
     elif model == Space and not new:
         ctx.update({
@@ -172,6 +181,8 @@ def edit(request, pk=None, model=None, section=None, space=None, explicit_edit=F
                     raise NotImplementedError
                 obj.delete()
                 if model == Section:
+                    if obj.on_top_of_id is not None:
+                        return redirect(reverse('editor.sections.detail', kwargs={'pk': obj.on_top_of_id}))
                     return redirect(reverse('editor.index'))
                 elif model == Space:
                     return redirect(reverse('editor.spaces.list', kwargs={'section': obj.section.pk}))
@@ -206,6 +217,9 @@ def edit(request, pk=None, model=None, section=None, space=None, explicit_edit=F
             if space is not None:
                 obj.space = space
 
+            if on_top_of is not None:
+                obj.on_top_of = on_top_of
+
             obj.save()
             form.save_m2m()