From bf64e679134a51d2f26ed1125cfa14036b9601b3 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Thu, 24 May 2012 15:31:57 +0900
Subject: [PATCH] warn when cram deck empty

---
 aqt/dyndeckconf.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/aqt/dyndeckconf.py b/aqt/dyndeckconf.py
index cf8c81329..632a589e9 100644
--- a/aqt/dyndeckconf.py
+++ b/aqt/dyndeckconf.py
@@ -5,7 +5,7 @@
 from aqt.qt import *
 import aqt
 from anki.utils import ids2str
-from aqt.utils import showInfo, showWarning, openHelp, getOnlyText
+from aqt.utils import showInfo, showWarning, openHelp, getOnlyText, askUser
 from operator import itemgetter
 
 class DeckConf(QDialog):
@@ -116,7 +116,11 @@ class DeckConf(QDialog):
     def accept(self):
         if not self.saveConf():
             return
-        self.mw.col.sched.rebuildDyn()
+        if not self.mw.col.sched.rebuildDyn():
+            if askUser(_("""\
+The provided search did not match any cards. Would you like to revise \
+it?""")):
+                return
         self.mw.reset()
         QDialog.accept(self)