--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnpresentationmodel/src/hnitemsorder.cpp	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,329 @@
+/*
+* Copyright (c) 2007-2008 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:  items order manager class
+*
+*/
+
+
+#include "hnitemsorder.h"
+
+// ============================ MEMBER FUNCTIONS =============================
+
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CHnItemsOrder* CHnItemsOrder::NewL()
+    {
+    CHnItemsOrder* self = NewLC();
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::MarkSuiteUninitialized()
+	{
+    for (TInt i(0); i < iItemsEvaluated.Count(); i++)
+         {
+         iItemsEvaluated[i] = EFalse;
+         }
+    
+    iSuiteEvaluated = EFalse;
+	}
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CHnItemsOrder* CHnItemsOrder::NewLC()
+    {
+    CHnItemsOrder* self = new( ELeave ) CHnItemsOrder();
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CHnItemsOrder::~CHnItemsOrder()
+    {
+    iItemsOrderCounts.Reset();
+    iComplexItemsOrder.Reset();
+    iItemsEvaluated.Reset();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::SetSuiteId( TInt aId )
+    {
+    iSuiteId = aId;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::GetSuiteId() const
+    {
+    return iSuiteId;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::RemoveItemId( TInt aId )
+    {
+    TInt position = iComplexItemsOrder.Find( aId );
+    if (position != KErrNotFound)
+        {
+        TInt modelNumber = CountModelNumberFor( position );
+        --iItemsOrderCounts[ modelNumber ] ;    
+        iComplexItemsOrder.Remove( position );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::InsertItemIdToL( TInt aDataModelItem, 
+        TInt aIndex, TInt aId )
+    {
+    TInt position = CountStartIndexFor( aDataModelItem ) + aIndex;
+    if (position < iComplexItemsOrder.Count() )
+        {
+        iComplexItemsOrder.InsertL( aId, position ); 
+        }
+    else
+        {
+        iComplexItemsOrder.AppendL( aId );
+        }
+    
+    TInt modelsCount = iItemsOrderCounts.Count();
+    if (modelsCount <= aDataModelItem)
+        {
+        for (TInt i(modelsCount);  i <= aDataModelItem; i++)
+            {
+            iItemsOrderCounts.AppendL( 0 );
+            }
+        }
+    ++iItemsOrderCounts[ aDataModelItem ] ;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::GetItemIdAt( TInt aDataModelItem, TInt aIndex )
+    {
+    TInt globalItemPosition = CountStartIndexFor( aDataModelItem ) + aIndex;
+    return (iComplexItemsOrder.Count() > globalItemPosition)
+        ? iComplexItemsOrder[globalItemPosition] : KErrNotFound;
+    }  
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::GetItemIdAt( TInt aPosition )
+    {
+    return (iComplexItemsOrder.Count() > aPosition) 
+        ? iComplexItemsOrder[aPosition] : KErrNotFound;
+    }  
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::GetIdsForL( TInt aDataModelItem,
+        RArray< TInt >& aIds )
+    {
+    if ( CountStartIndexFor( aDataModelItem ) == KErrNotFound 
+            || iItemsOrderCounts.Count() <= aDataModelItem )
+        {
+        return;
+        }
+    
+    TInt startIndex = CountStartIndexFor( aDataModelItem );
+    
+    for ( TInt i = 0; 
+            i < iItemsOrderCounts[ aDataModelItem ]; i++ )
+        {
+        aIds.AppendL( iComplexItemsOrder[ startIndex + i ] );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::SetItemIdAtL( TInt aPosition, TInt aId )
+    {
+    if ( aPosition >= iComplexItemsOrder.Count() )
+        {
+        iComplexItemsOrder.AppendL( aId );
+        }
+    else
+        {
+        iComplexItemsOrder[ aPosition ] = aId;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::DefineModelItemCountL( TInt aItemCounts )
+    {
+    // Don't update this information on a initialized suitemodel.
+    if (iItemsEvaluated.Count() == 0 && !iSuiteEvaluated)
+        {
+        iSuiteEvaluated = EFalse;
+        for (TInt i(0); i < aItemCounts; i++)
+            {
+            iItemsOrderCounts.AppendL( 0 );
+            iItemsEvaluated.AppendL(EFalse);
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::SuiteEvaluated()
+    {
+    iSuiteEvaluated = ETrue;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CHnItemsOrder::ItemEvaluated( TInt aIndex )
+    {
+    iItemsEvaluated[aIndex] = ETrue;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TBool CHnItemsOrder::IsSuiteReadyToShow()
+    {
+    TBool ready = ETrue;
+    for (TInt i(0); ready && i < iItemsEvaluated.Count(); i++)
+         {
+         ready = iItemsEvaluated[i];
+         }
+    
+    return ready && iSuiteEvaluated;
+    }
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::GetModelItemCount( )
+    {
+    return iItemsOrderCounts.Count();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::operator[]( TInt aPosition )
+    {
+    return GetItemIdAt( aPosition );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::GetItemPosition( TInt aId )
+    {
+    return iComplexItemsOrder.Find( aId );
+    }
+    
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+TInt CHnItemsOrder::CountStartIndexFor( TInt aDataModelItem )
+    {
+    TInt startIndex( 0 );
+    for( TInt i = 0; i < aDataModelItem && i < iItemsOrderCounts.Count(); i++ )
+        {
+        startIndex += iItemsOrderCounts[ i ];
+        }
+    return startIndex;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+TInt CHnItemsOrder::CountModelNumberFor( TInt aIndex )
+    {
+    TInt modelNumber( 0 );
+    TInt countLow( 0 );
+    TInt countHigh( 0 );
+    for( ; modelNumber < iItemsOrderCounts.Count(); modelNumber++ )
+        {
+        countHigh += iItemsOrderCounts[ modelNumber ];
+        if ( aIndex >= countLow && aIndex < countHigh )
+            {
+            break;
+            }
+        countLow = countHigh;
+        }
+    return modelNumber;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CHnItemsOrder::Count()
+    {
+    return iComplexItemsOrder.Count();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CHnItemsOrder::CHnItemsOrder() : iSuiteId( KErrNotFound )
+    {
+    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CHnItemsOrder::ConstructL()
+    {
+    
+    }
+