From 7533064c1a5918ce41dcc1391b5cb8bfc8375a25 Mon Sep 17 00:00:00 2001
From: Peter Landgren <peter.talken@telia.com>
Date: Thu, 28 Jan 2010 15:21:13 +0000
Subject: [PATCH] Fix of issue 3531.

svn: r14157
---
 src/ReportBase/_GraphvizReportDialog.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/ReportBase/_GraphvizReportDialog.py b/src/ReportBase/_GraphvizReportDialog.py
index 0559a62fd..d01cee1cf 100644
--- a/src/ReportBase/_GraphvizReportDialog.py
+++ b/src/ReportBase/_GraphvizReportDialog.py
@@ -308,14 +308,23 @@ class GVDocBase(BaseDoc, GVDoc):
         
         if style or head or tail:
             self.write(' [')
-            
+
             if style:
                 self.write(' style=%s' % style)
             if head:
                 self.write(' arrowhead=%s' % head)
             if tail:
                 self.write(' arrowtail=%s' % tail)
-                
+            if head:
+                if tail:
+                    self.write(' dir=both')
+                else:
+                    self.write(' dir=forward')
+            else:
+                if tail:
+                    self.write(' dir=back')
+                else:
+                    self.write(' dir=none')                
             self.write(' ]')
 
         self.write(';')