[glom] Don't allow deleting placeholder rows.

[Daniel Borgmann <dborg src gnome org>]

commit 4461c2b33b59400b2f0b8dd220534a4c9cfee419
Author: Daniel Borgmann <danielb openismus com>
Date:   Wed May 12 10:43:22 2010 +0100

    Don't allow deleting placeholder rows.
    
    * glom/utility_widgets/db_adddel/db_adddel.cc: Don't allow deleting a
    placeholder row (which leads to broken behaviour).

 ChangeLog                                   |    7 +++++++
 glom/utility_widgets/db_adddel/db_adddel.cc |    2 +-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index cced08d..ac834a2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-05-12  Daniel Borgmann  <danielb openismus com>
+
+	Don't allow deleting placeholder rows.
+
+	* glom/utility_widgets/db_adddel/db_adddel.cc: Don't allow deleting a
+	placeholder row (which leads to broken behaviour).
+
 2010-05-11  Daniel Borgmann  <danielb openismus com>
 
 	Don't add a new row when cancelling a placeholder edit.
diff --git a/glom/utility_widgets/db_adddel/db_adddel.cc b/glom/utility_widgets/db_adddel/db_adddel.cc
index 7971fa5..e662846 100644
--- a/glom/utility_widgets/db_adddel/db_adddel.cc
+++ b/glom/utility_widgets/db_adddel/db_adddel.cc
@@ -218,7 +218,7 @@ void DbAddDel::on_MenuPopup_activate_Delete()
   if(refSelection)
   {
     Gtk::TreeModel::iterator iter = refSelection->get_selected();
-    if(iter)
+    if(iter && !get_is_placeholder_row(iter))
     {
       //TODO: We can't handle multiple-selections yet.
       user_requested_delete(iter, iter);