'Overrides the default to be able to forward to the directory listing
instead of the default change_list_view'

def response_change(self, request, obj):

    if (request.POST and ('_continue' not in request.POST) and ('_saveasnew' not in request.POST) and ('_addanother' not in request.POST)):
        if obj.folder:
            url = reverse('admin:filer-directory_listing', kwargs={'folder_id': obj.folder.id})
        else:
            url = reverse('admin:filer-directory_listing-unfiled_images')
        url = '{0}{1}'.format(url, admin_url_params_encoded(request))
        return HttpResponseRedirect(url)
    return super(FileAdmin, self).response_change(request, obj)
