From 019dc77fc59d2d483b7e92643b1211b1cd7348fb Mon Sep 17 00:00:00 2001
From: Carlos Ruiz <carg67@gmail.com>
Date: Tue, 9 Apr 2013 21:45:24 -0500
Subject: [PATCH] IDEMPIERE-845 Reference List not allowing to clear

---
 .../WEB-INF/src/org/adempiere/webui/editor/WTableDirEditor.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTableDirEditor.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTableDirEditor.java
index 4fe8993911..a84906432f 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTableDirEditor.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTableDirEditor.java
@@ -244,6 +244,8 @@ ContextMenuListener, IZoomableEditor
             retVal = selItem.getValue();
             if ((retVal instanceof Integer) && (Integer)retVal == -1)
             	retVal = null;
+            else if ((retVal instanceof String) && "".equals(retVal))
+            	retVal = null;
         }
         return retVal;
     }