From 49c73afcfb2ce27e14997c4d0794baf739a4c61d Mon Sep 17 00:00:00 2001
From: michael starke <michael.starke@hicknhack-software.com>
Date: Wed, 26 Nov 2014 18:55:40 +0100
Subject: [PATCH] clearing undo-stack (#265)

---
 MacPass/MPDocument.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MacPass/MPDocument.m b/MacPass/MPDocument.m
index c2a7be82..92466f32 100644
--- a/MacPass/MPDocument.m
+++ b/MacPass/MPDocument.m
@@ -269,6 +269,10 @@ NSString *const MPDocumentGroupKey                        = @"MPDocumentGroupKey
 #pragma mark Lock/Unlock/Decrypt
 
 - (void)lockDatabase:(id)sender {
+  if(self.undoManager.canUndo) {
+    /* ask the user? */
+    [self.undoManager removeAllActions];
+  }
   [self exitSearch:self];
   NSError *error;
   /* Locking needs to be lossless hence just use the XML format */