/*

* Copyright (c) 2002-2005 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:  page manager,which is used by drop down list

*

*/

#include "peninputpages.h"

// ======== MEMBER FUNCTIONS ========

// Implementation of Class CPages 

// -----------------------------------------------------------------------------

// CPages::NewL

// factory function

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

CPages* CPages::NewL()

    {

    CPages* self = new (ELeave) CPages();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// -----------------------------------------------------------------------------

// CPages::~CPages

// factory function

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

CPages::~CPages()    

    {

    iFirstIndexList.Close();

    iLastIndexList.Close();

    }

// -----------------------------------------------------------------------------

// CPages::NewL

// 2nd construct function

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CPages::ConstructL()

    {

    Reset();

    }

// -----------------------------------------------------------------------------

// CPages::Reset

// reset page in the page list

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CPages::Reset()

    {

    iFirstIndexList.Reset();

    iLastIndexList.Reset();

    }

// -----------------------------------------------------------------------------

// CPages::PageCount

// get page count

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

TInt CPages::PageCount() const

    {

    return iLastIndexList.Count(); 

    }

// -----------------------------------------------------------------------------

// CPages::AddPage

// add one page into the page list

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CPages::AddPage(const TInt aFirstIndex, const TInt aLastIndex)

    {

    if ( aFirstIndex == aLastIndex )  

        {

        return;

        }        

    const TInt index = iLastIndexList.Find(aLastIndex);

    if ( index == KErrNotFound)

        {

        iLastIndexList.Append(aLastIndex);  

        iFirstIndexList.Append(aFirstIndex);  

        }     

    }

// -----------------------------------------------------------------------------

// CPages::GetPreviousIndex

// get the previous page

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

TBool CPages::GetPreviousIndex(const TInt aLastIndex, 

                               TInt& aFirstIndexOfPrevious, 

                               TInt& aLastIndexOfPrevious) const

    {

    const TInt index = iLastIndexList.Find( aLastIndex );

    if ( index != KErrNotFound ) // If found it

        {         

        if ( index > 0 ) // If not the first page

            {

            aFirstIndexOfPrevious = iFirstIndexList[index-1];

            aLastIndexOfPrevious = iLastIndexList[index-1];

            }

        else // If is the first page

            {

            aFirstIndexOfPrevious = iFirstIndexList[0];

            aLastIndexOfPrevious = iLastIndexList[0];                        

            }

        return ETrue;         

        }

    else

        {

        return EFalse;

        }        

    }

// -----------------------------------------------------------------------------

// CPages::GetPageIndexByPos

// get the page of assigned position

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

TBool CPages::GetPageIndexByPos(const TInt aPos, 

                                TInt& aFirstIndex, 

                                TInt& aLastIndex) const

    {

    if ( ( aPos < 0 ) || ( aPos >= iLastIndexList.Count() ) )

        {

        return EFalse;        

        }

    aLastIndex = iLastIndexList[aPos];    

    aFirstIndex = iFirstIndexList[aPos];

    return ETrue;

    }

// End Of File