Ticket #8261: show_on_site.diff

options.py

@@ -381 +381 @@
         """
         formset.save()
 
+    def show_on_site(self, obj):
+        """Allow customizing of "View on site" URL's, should return the URL"""
+        return False
+
     def render_change_form(self, request, context, add=False, change=False, form_url='', obj=None):
         opts = self.model._meta
         app_label = opts.app_label
@@ -393 +397 @@
             'has_delete_permission': self.has_delete_permission(request, obj),
             'has_file_field': True, # FIXME - this should check if form or formsets have a FileField,
             'has_absolute_url': hasattr(self.model, 'get_absolute_url'),
+            'absolute_url': self.show_on_site(obj),
             'ordered_objects': ordered_objects,
             'form_url': mark_safe(form_url),
             'opts': opts,

templates/admin/change_form.html

@@ -25 +25 @@
 {% block object-tools %}
 {% if change %}{% if not is_popup %}
   <ul class="object-tools"><li><a href="history/" class="historylink">{% trans "History" %}</a></li>
-  {% if has_absolute_url %}<li><a href="../../../r/{{ content_type_id }}/{{ object_id }}/" class="viewsitelink">{% trans "View on site" %}</a></li>{% endif%}
+  {% if has_absolute_url or absolute_url %}<li><a href="{% if absolute_url %}{{ absolute_url }}{% else %}../../../r/{{ content_type_id }}/{{ object_id }}/{% endif %}" class="viewsitelink">{% trans "View on site" %}</a></li>{% endif%}
   </ul>
 {% endif %}{% endif %}
 {% endblock %}