diff -r 000000000000 -r e83bab7cf002 widgetmodel/alfwidgetmodel/src/alfmodeloperation.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/src/alfmodeloperation.cpp	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,173 @@
+/*
+* 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:   This file implements the various types of operations to be performed on model.
+*
+*/
+
+
+
+
+//INCLUDES 
+#include "alf/alfmodeloperation.h"
+#include <alf/alfvarianttype.h>
+#include <alf/alfexceptions.h>
+#include <osn/osnnew.h>
+
+using namespace Alf;
+
+
+OSN_EXPORT AlfModelOperation* AlfModelOperation::create(
+    OperationType aOperation, int aNumContainerIndices,
+    int* aContainerIndices, IAlfVariantType* aData )
+    {
+    return new( EMM ) AlfModelOperation(
+        aOperation, aNumContainerIndices, aContainerIndices, aData );
+    }
+
+
+OSN_EXPORT AlfModelOperation* AlfModelOperation::create( OperationType aOperation, int aNumContainerIndices,
+    int* aContainerIndices, IAlfVariantType* aData,
+    const UString& aDataName )
+    {
+    return new( EMM ) AlfModelOperation(
+        aOperation, aNumContainerIndices, aContainerIndices, aData, aDataName );
+    }
+
+AlfModelOperation::AlfModelOperation(
+    OperationType aOperation, int aNumContainerIndices,
+    int* aContainerIndices, IAlfVariantType* aData )
+    {
+    mOperation 				= aOperation ;
+    mNumContainerIndices 	= aNumContainerIndices;
+	mContainerIndices		= aContainerIndices ;
+	mData 					= aData;
+    }
+
+
+AlfModelOperation::AlfModelOperation( OperationType aOperation, int aNumContainerIndices,
+    int* aContainerIndices, IAlfVariantType* aData,
+    const UString& aDataName )
+    {
+	mOperation 				= aOperation ;
+    mNumContainerIndices 	= aNumContainerIndices;
+	mContainerIndices		= aContainerIndices ;
+	mDataName 				= aDataName;    	
+	mData 					= aData;
+    }
+
+
+OSN_EXPORT AlfModelOperation::~AlfModelOperation()
+    {
+    delete mData;
+    delete [] mContainerIndices;
+    }
+
+OSN_EXPORT IAlfVariantType& AlfModelOperation::newData() const
+    {
+	    if(mOperation == EOperationRemove)
+	    {
+	    	ALF_THROW(AlfDataException,EInvalidModelOperation,"AlfModelOperation")
+	    }
+        return *mData;
+    }
+
+OSN_EXPORT const UString& AlfModelOperation::newDataName() const
+    {
+	    if(mOperation == EOperationRemove)
+	    {
+	    	ALF_THROW(AlfDataException,EInvalidModelOperation,"AlfModelOperation")
+	    }
+        return mDataName;
+    }
+
+OSN_EXPORT IAlfVariantType* AlfModelOperation::getNewData()
+    {
+	    if(mOperation == EOperationRemove)
+	    {
+	    	ALF_THROW(AlfDataException,EInvalidModelOperation,"AlfModelOperation")
+	    }
+        IAlfVariantType* data = mData;
+        mData = NULL;
+        return data;
+    }
+
+OSN_EXPORT AlfModelOperation::OperationType AlfModelOperation::operation() const
+    {
+    return mOperation;
+    }
+
+
+OSN_EXPORT IAlfVariantType* AlfModelOperation::parentData( IAlfVariantType& aRoot ) const
+    {
+    try
+    {
+    if ( mNumContainerIndices == 0 )
+        {
+        return NULL;
+        }
+    IAlfVariantType* current = &aRoot;
+    for ( int i = 0; current && i < mNumContainerIndices - 1; ++i )
+        {
+        if ( current->type() == IAlfVariantType::EContainer &&
+             mContainerIndices[i] < current->container()->count() )
+            {
+            current = current->container()->item( mContainerIndices[i] );
+            }
+        else if ( current->type() == IAlfVariantType::EMap &&
+                  mContainerIndices[i] < current->map()->count() )
+            {
+            current = current->map()->item( mContainerIndices[i] );
+            }
+        else if ( current->type() == IAlfVariantType::EBranch )
+            {
+            if ( mContainerIndices[i] == 0 )
+                {
+                // Index 0 is for the parent data
+                current = current->branch()->data();
+                }
+            else if ( mContainerIndices[i] == 1 )
+                {
+                // Index 1 is for the child data
+                current = current->branch()->childData();
+                }
+            }
+        else
+            {
+            // Not found
+            return NULL;
+            }
+        }
+    return current;
+	 }
+	 catch(AlfDataException& aException)
+	 {
+	 	ALF_THROW(AlfDataException,EInvalidContainerOperation,"AlfModelOperation")
+	 }
+    }
+
+OSN_EXPORT int AlfModelOperation::index() const
+    {
+    return mContainerIndices[mNumContainerIndices - 1];
+    }
+
+OSN_EXPORT int AlfModelOperation::numContainerIndices() const
+    {
+    return mNumContainerIndices;
+    }
+
+OSN_EXPORT int AlfModelOperation::containerIndex( int aIndex ) const
+    {
+    return mContainerIndices[aIndex];
+    }
+