Fixed #14206 - dynamic list_display support in admin

Thanks to gabejackson for the suggestion, and to cyrus for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16340 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/options.py

@@ -625,6 +625,13 @@ class ModelAdmin(BaseModelAdmin):
             description = capfirst(action.replace('_', ' '))
         return func, action, description
 
+    def get_list_display(self, request):
+        """
+        Return a sequence containing the fields to be displayed on the
+        changelist.
+        """
+        return self.list_display
+
     def construct_change_message(self, request, form, formsets):
         """
         Construct a change message from a changed object.
@@ -1053,7 +1060,7 @@ class ModelAdmin(BaseModelAdmin):
         actions = self.get_actions(request)
 
         # Remove action checkboxes if there aren't any actions available.
-        list_display = list(self.list_display)
+        list_display = list(self.get_list_display(request))
         if not actions:
             try:
                 list_display.remove('action_checkbox')

docs/ref/contrib/admin/index.txt

@@ -967,6 +967,15 @@ templates used by the :class:`ModelAdmin` views:
     a ``dictionary``, as described above in the :attr:`ModelAdmin.prepopulated_fields`
     section.
 
+.. method:: ModelAdmin.get_list_display(self, request)
+
+    .. versionadded:: 1.4
+
+    The ``get_list_display`` method is given the ``HttpRequest`` and is
+    expected to return a ``list`` or ``tuple`` of field names that will be
+    displayed on the changelist view as described above in the
+    :attr:`ModelAdmin.list_display` section.
+
 .. method:: ModelAdmin.get_urls(self)
 
     The ``get_urls`` method on a ``ModelAdmin`` returns the URLs to be used for