show discarded changes in changeset view in gray

src/c3nav/editor/templates/editor/fragment_change_groups.html

@@ -22,7 +22,7 @@
             {% for change in group.changes %}
                 <tr>
                     <td class="text-{{ change.class }}"><i class="glyphicon glyphicon-{{ change.icon }}"></i></td>
-                    <td>
+                    <td{% if change.discarded %} class="text-muted"{% endif %}>
                         {% if change.value %}<u>{% else %}<em>{% endif %}{{ change.title }}{% if change.value %}</u>:{% else %}</em>{% endif %}
                         {{ change.value }}
                     </td>

src/c3nav/editor/views/changes.py

@@ -152,6 +152,7 @@ def group_changes(changeset, can_edit=False, show_history=False):
             'pk': change.pk,
             'author': change.author,
             'created': _('created at %(datetime)s') % {'datetime': date_format(change.created, 'DATETIME_FORMAT')},
+            'discarded': change.discarded_by_id is not None,
         }
         changes.append(change_data)
         if change.action == 'create':