Index: feeds.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/feeds.module,v
retrieving revision 1.54
diff -u -p -r1.54 feeds.module
--- feeds.module	10 Sep 2010 14:42:07 -0000	1.54
+++ feeds.module	14 Sep 2010 06:13:36 -0000
@@ -313,7 +313,12 @@ function feeds_nodeapi(&$node, $op, $for
       case 'delete':
         // Remove feed from scheduler and delete source.
         feeds_scheduler()->remove($importer_id, 'import', $node->nid);
-        feeds_source($importer_id, $node->nid)->delete();
+        $source = feeds_source($importer_id, $node->nid);
+
+        if (feeds_importer($importer_id)->config['processor']['config']['delete_nodes']) {
+          $source->clear();
+        }
+        $source->delete();
         break;
     }
   }
Index: plugins/FeedsNodeProcessor.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feeds/plugins/FeedsNodeProcessor.inc,v
retrieving revision 1.50
diff -u -p -r1.50 FeedsNodeProcessor.inc
--- plugins/FeedsNodeProcessor.inc	7 Sep 2010 17:29:36 -0000	1.50
+++ plugins/FeedsNodeProcessor.inc	14 Sep 2010 06:13:36 -0000
@@ -150,6 +150,7 @@ class FeedsNodeProcessor extends FeedsPr
       'expire' => FEEDS_EXPIRE_NEVER,
       'mappings' => array(),
       'author' => 0,
+      'delete_nodes' => FALSE,
     );
   }
 
@@ -205,6 +206,18 @@ class FeedsNodeProcessor extends FeedsPr
       ),
       '#default_value' => $this->config['update_existing'],
     );
+    $form['delete_nodes'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Delete nodes when deleting feed node'),
+      '#description' => t('Select whether or not to delete all of the feed items belonging to the feed subscription when the subscription is deleted.'),
+      '#default_value' => $this->config['delete_nodes'],
+    );
+
+    if (feeds_importer($this->id)->config['content_type'] == '') {
+      $form['delete_nodes']['#disabled'] = TRUE;
+      $form['delete_nodes']['#default_value'] = FALSE;
+    }
+
     return $form;
   }