From 50e3281ddde711195073f98596cf1da34bef1517 Mon Sep 17 00:00:00 2001
From: Heng Sin Low <hengsin@gmail.com>
Date: Wed, 6 Dec 2006 03:47:12 +0000
Subject: [PATCH] * WindowManager need to track zoom across window as well *
 Fixed error message prompt twice bug when changing tab * Disallow change to
 detail tab when parent tab is new and not saved yet

---
 base/src/org/compiere/model/GridTab.java | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/base/src/org/compiere/model/GridTab.java b/base/src/org/compiere/model/GridTab.java
index de0f132cc2..41d1fb9295 100644
--- a/base/src/org/compiere/model/GridTab.java
+++ b/base/src/org/compiere/model/GridTab.java
@@ -127,6 +127,8 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 
 	/**	Logger			*/
 	protected CLogger	log = CLogger.getCLogger(getClass());
+	
+	private boolean m_parentNeedSave = false;
 
 
 	/**************************************************************************
@@ -508,6 +510,7 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 		//	Detail Query
 		if (isDetail())
 		{
+			m_parentNeedSave = false;
 			String lc = getLinkColumnName();
 			if (lc.equals(""))
 				log.severe ("No link column");
@@ -520,7 +523,12 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 				m_linkValue = value;
 				//	Check validity
 				if (value.length() == 0)
-					log.severe ("No value for link column " + lc);
+				{
+					//log.severe ("No value for link column " + lc);
+					//parent is new, can't retrieve detail
+					m_parentNeedSave = true;
+					return;
+				}
 				else
 				{
 					//	we have column and value
@@ -2409,6 +2417,14 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 			return null;
 		return m_mTable.getValueAt(row, col);
 	}   //  getValue
+	
+	public boolean isNeedToSaveParent()
+	{
+		if (isDetail())
+			return m_parentNeedSave;
+		else
+			return false;
+	}
 
 	/**
 	 *  toString