editor: show levelconnector levels in list

src/c3nav/editor/static/editor/js/editor.js

@@ -375,6 +375,10 @@ editor = {
     _sidebar_link_click: function(e) {
         // listener for link-clicks in the sidebar.
         e.preventDefault();
+        if ($(this).is('[data-level-link]')) {
+            editor.set_current_level($(this).attr('data-level-link'));
+            return;
+        }
         var href = $(this).attr('href');
         if ($(this).is('[data-insert-level]')) {
             href = href.replace('LEVEL', editor._level);

src/c3nav/editor/templates/editor/mapitems.html

@@ -17,6 +17,9 @@
                 {% if has_elevator %}
                     <td><a href="{% url 'editor.mapitems.edit' mapitem_type='elevator' name=item.elevator.name %}">{{ item.elevator }}</a></td>
                 {% endif %}
+                {% if has_levels %}
+                    <td>{% for level in item.levels.all %}{% if not forloop.first %}, {% endif %}<a href="" data-level-link="{{ level.name }}">{{ level.name }}</a>{% endfor %}</td>
+                {% endif %}
                 <td><a href="{% url 'editor.mapitems.edit' mapitem_type=mapitem_type name=item.name %}">Edit</a></td>
             </tr>
         {% endfor %}

src/c3nav/editor/views.py

@@ -59,6 +59,7 @@ def list_mapitems(request, mapitem_type, level=None):
         'title': mapitemtype._meta.verbose_name_plural,
         'has_level': level is not None,
         'has_elevator': hasattr(mapitemtype, 'elevator'),
+        'has_levels': hasattr(mapitemtype, 'levels'),
         'level': level,
         'items': filter_queryset_by_package_access(request, queryset),
     })