diff -r 000000000000 -r e6b17d312c8b ximpfw/core/srcfrontend/srcmanager/ximpundotask.inl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ximpfw/core/srcfrontend/srcmanager/ximpundotask.inl	Thu Dec 17 08:54:49 2009 +0200
@@ -0,0 +1,182 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  UndoTask related helpers.
+*
+*/
+
+#include "ximppanics.h"
+
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryAdd::NewLC()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+CXIMPUndoPtrArrayEntryAdd<T>* CXIMPUndoPtrArrayEntryAdd<T>::NewLC()
+    {
+    CXIMPUndoPtrArrayEntryAdd<T>* self = new (ELeave) CXIMPUndoPtrArrayEntryAdd;
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryAdd::~CXIMPUndoPtrArrayEntryAdd()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+CXIMPUndoPtrArrayEntryAdd<T>::~CXIMPUndoPtrArrayEntryAdd()
+    {
+    if( iObjArray )
+        {
+        TInt index = iObjArray->Find( iObj );
+        if( index != KErrNotFound )
+            {
+            iObjArray->Remove( index );
+            }
+
+        delete iObj;
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryAdd::CXIMPUndoPtrArrayEntryAdd()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+CXIMPUndoPtrArrayEntryAdd<T>::CXIMPUndoPtrArrayEntryAdd()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryAdd::InitToRemoveAndDestroyOnUndo()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+void CXIMPUndoPtrArrayEntryAdd<T>::InitToRemoveAndDestroyOnUndo(
+    T& aObj,
+    RPointerArray< T >& aObjArray )
+    {
+    __ASSERT_ALWAYS( !iObjArray,
+                     User::Panic( NXIMPPrivPanic::KCategory,
+                                  NXIMPPrivPanic::EPtrArrayEntryAddUndoInitialized ) );
+
+    iObjArray = &aObjArray;
+    iObj = &aObj;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryAdd::CancelUndo()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+void CXIMPUndoPtrArrayEntryAdd<T>::CancelUndo()
+    {
+    iObjArray = NULL;
+    iObj = NULL;
+    }
+
+
+
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryReplace::NewLC()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+CXIMPUndoPtrArrayEntryReplace<T>* CXIMPUndoPtrArrayEntryReplace<T>::NewLC()
+    {
+    CXIMPUndoPtrArrayEntryReplace<T>* self =
+            new (ELeave) CXIMPUndoPtrArrayEntryReplace;
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryReplace::~CXIMPUndoPtrArrayEntryReplace()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+CXIMPUndoPtrArrayEntryReplace<T>::~CXIMPUndoPtrArrayEntryReplace()
+    {
+    if( iObjArray )
+        {
+        const TInt index = iObjArray->Find( iTarget );
+        if( index != KErrNotFound )
+            {
+            (*iObjArray)[ index ] = iSource;
+            delete iTarget;
+            }
+        else
+            {
+            delete iSource;
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryReplace::CXIMPUndoPtrArrayEntryReplace()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+CXIMPUndoPtrArrayEntryReplace<T>::CXIMPUndoPtrArrayEntryReplace()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryReplace::InitToReplaceOnUndo()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+void CXIMPUndoPtrArrayEntryReplace<T>::InitToReplaceOnUndo(
+    T& aTarget,
+    RPointerArray< T >& aObjArray,
+    T& aSource )
+    {
+    __ASSERT_ALWAYS( !iObjArray,
+                     User::Panic( NXIMPPrivPanic::KCategory,
+                                  NXIMPPrivPanic::EPtrArrayEntryReplaceUndoInitialized ) );
+
+    iObjArray = &aObjArray;
+    iTarget = &aTarget;
+    iSource = &aSource;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CXIMPUndoPtrArrayEntryReplace<T>::CancelUndo()
+// ---------------------------------------------------------------------------
+//
+template< class T >
+void CXIMPUndoPtrArrayEntryReplace<T>::CancelUndo()
+    {
+    iObjArray = NULL;
+    iTarget = NULL;
+
+    delete iSource;
+    iSource = NULL;
+    }
+
+
+