--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/uicontrols/src/CLmkLmItemListMemento.cpp	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,270 @@
+/*
+* Copyright (c) 2002 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:    LandmarksUi Content File -
+*
+*/
+
+
+
+
+
+
+
+
+// INCLUDE FILES
+#include "CLmkLmItemListMemento.h"
+#include "CLmkLmItemListProvider.h"
+#include <eiklbx.h>
+#include <AknUtils.h>
+#include <lmkerrors.h>
+
+
+// Initial value for iMemorizedCurrentItemId, this is a quick fix for focus on
+// uncategorised category bug.
+//const TInt KIdNotFound = KErrNotFound;
+const TUint32 KInititialValue = 0xFFFFFFFE;
+#if defined(_DEBUG)
+
+// CONSTANTS
+/// Unnamed namespace for local definitions
+namespace {
+
+_LIT( KPanicMsg, "CLmkLmItemListMemento" );
+
+void Panic( TPanicCode aReason )
+    {
+    User::Panic( KPanicMsg, aReason );
+    }
+}  // namespace
+
+#endif
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CLmkLmItemListMemento::CLmkLmItemListMemento
+// C++ constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CLmkLmItemListMemento::CLmkLmItemListMemento()
+    {
+    //iMemorizedCurrentItemId = KPosLmNullItemId;
+    iMemorizedCurrentItemId = KInititialValue;
+    }
+
+// -----------------------------------------------------------------------------
+// CLmkLmItemListMemento::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CLmkLmItemListMemento::ConstructL()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CLmkLmItemListMemento::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CLmkLmItemListMemento* CLmkLmItemListMemento::NewL()
+    {
+    CLmkLmItemListMemento* self = new( ELeave ) CLmkLmItemListMemento();
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::~CLmkLmItemListMemento
+// ----------------------------------------------------
+//
+CLmkLmItemListMemento::~CLmkLmItemListMemento()
+    {
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::MemorizedItemId
+// ----------------------------------------------------
+//
+EXPORT_C TPosLmItemId CLmkLmItemListMemento::MemorizedItemId() const
+    {
+    return iMemorizedCurrentItemId;
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::Store
+// ----------------------------------------------------
+//
+void CLmkLmItemListMemento::Store(
+    const CEikListBox& aListBox,
+    const CLmkListProviderBase& aProvider,
+    TBool aFiltered )
+    {
+    if ( aFiltered )
+        {
+        CAknFilteredTextListBoxModel* model =
+            static_cast<CAknFilteredTextListBoxModel*>( aListBox.Model() );
+        __ASSERT_DEBUG( model, Panic( KLmkPanicNoLbModel ) );
+        StoreFiltered( aListBox, aProvider, *model );
+        }
+    else
+        {
+        StoreNonFiltered( aListBox, aProvider );
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::Restore
+// ----------------------------------------------------
+//
+void CLmkLmItemListMemento::Restore(
+    const CEikListBox& aListBox,
+    const CLmkListProviderBase& aProvider,
+    TBool aFiltered )
+    {
+    if ( aFiltered )
+        {
+        CAknFilteredTextListBoxModel* model =
+            static_cast<CAknFilteredTextListBoxModel*>( aListBox.Model() );
+        __ASSERT_DEBUG( model, Panic( KLmkPanicNoLbModel ) );
+        RestoreFiltered( aListBox, aProvider, *model );
+        }
+    else
+        {
+        RestoreNonFiltered( aListBox, aProvider );
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::StoreFiltered
+// ----------------------------------------------------
+//
+void CLmkLmItemListMemento::StoreFiltered(
+    const CEikListBox& aListBox,
+    const CLmkListProviderBase& aProvider,
+    const CAknFilteredTextListBoxModel& aModel )
+    {
+    const CLmkLmItemListProvider& provider =
+        static_cast <const CLmkLmItemListProvider&> ( aProvider );
+    if ( aListBox.Model()->NumberOfItems() > 0 &&
+         aListBox.CurrentItemIndex() >= 0 )
+        {
+        iMemorizedCurrentItemIndex =
+            aModel.Filter()->FilteredItemIndex( aListBox.CurrentItemIndex() );
+        provider.GetSelectedItemId( iMemorizedCurrentItemId,
+                                iMemorizedCurrentItemIndex );
+        }
+    else
+        {
+        iMemorizedCurrentItemIndex = 0;
+       // iMemorizedCurrentItemId = KPosLmNullItemId;
+        iMemorizedCurrentItemId = KInititialValue;
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::RestoreFiltered
+// ----------------------------------------------------
+//
+void CLmkLmItemListMemento::RestoreFiltered(
+    const CEikListBox& aListBox,
+    const CLmkListProviderBase& aProvider,
+    const CAknFilteredTextListBoxModel& /*aModel*/ )
+    {
+    const CLmkLmItemListProvider& provider =
+        static_cast <const CLmkLmItemListProvider&> ( aProvider );
+    TInt index = provider.SelectedIndex( iMemorizedCurrentItemId );
+    if ( index != KErrNotFound &&
+         index < aListBox.Model()->NumberOfItems() )
+        {
+        aListBox.SetCurrentItemIndex( index );
+        aListBox.ScrollToMakeItemVisible( index );
+        }
+    else
+        {
+        aListBox.SetCurrentItemIndex( 0 );
+        }
+    aListBox.DrawDeferred();
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::StoreNonFiltered
+// ----------------------------------------------------
+//
+void CLmkLmItemListMemento::StoreNonFiltered(
+    const CEikListBox& aListBox,
+    const CLmkListProviderBase& aProvider )
+    {
+    // TODO: these are not used and implementation is quite sketchy.
+    // Replace with leave KErrNotSupported if this method won't be used.
+    const CLmkLmItemListProvider& provider =
+        static_cast <const CLmkLmItemListProvider&> ( aProvider );
+    iMemorizedCurrentItemIndex = aListBox.CurrentItemIndex();
+    provider.GetSelectedItemId( iMemorizedCurrentItemId,
+                                iMemorizedCurrentItemIndex );
+    iMemorizedTopItemIndex = aListBox.TopItemIndex();
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::RestoreNonFiltered
+// ----------------------------------------------------
+//
+void CLmkLmItemListMemento::RestoreNonFiltered(
+    const CEikListBox& aListBox,
+    const CLmkListProviderBase& aProvider )
+    {
+    // TODO: these are not used and implementation is quite sketchy.
+    // Replace with leave KErrNotSupported if this method won't used.
+    const CLmkLmItemListProvider& provider =
+        static_cast <const CLmkLmItemListProvider&> ( aProvider );
+    TInt index = provider.SelectedIndex( iMemorizedCurrentItemId );
+    if ( index != KErrNotFound )
+        {
+        if ( index == iMemorizedCurrentItemIndex )
+            {
+            aListBox.SetCurrentItemIndex( iMemorizedCurrentItemIndex );
+            aListBox.SetTopItemIndex( iMemorizedTopItemIndex );
+            }
+        else
+            {
+            aListBox.ScrollToMakeItemVisible( index );
+            }
+        }
+    else
+        {
+        aListBox.SetCurrentItemIndex( 0 );
+        }
+    aListBox.DrawDeferred();
+    }
+
+// ----------------------------------------------------
+// CLmkLmItemListMemento::IsModelAvailable
+// ----------------------------------------------------
+//anwar
+TBool CLmkLmItemListMemento::IsModelAvailable()
+	{
+	return iModelAvailable;
+	}
+// ----------------------------------------------------
+// CLmkLmItemListMemento::UpdateModelAvailability
+// ----------------------------------------------------
+//anwar
+void  CLmkLmItemListMemento::UpdateModelAvailability(TBool aModelAvailable)
+	{
+	iModelAvailable = aModelAvailable;
+	}
+//  End of File