/*

* Copyright (c) 2005-2006 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:  List box model

*

*/

// System Includes

#include <e32keys.h>

// User Include

#include "locsysuilbmodel.h"

#include "locationsettings.h"

// Constants

const TInt KMaxDescriptionText = 0x100;		  					   	  

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

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

// CLocSysUiLBModel::CLocSysUiLBModel

// Default Constructor

//

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

//

CLocSysUiLBModel::CLocSysUiLBModel( RPointerArray<CLocationSettings>& 

														aSettingsArray )

    :iSettingsArray( aSettingsArray )														

	{		

	}

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

// CLocSysUiLBModel::~CLocSysUiLBModel

// Destructor

//

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

//

CLocSysUiLBModel::~CLocSysUiLBModel()

	{

	delete iBuffer;

	}

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

// CLocSysUiLBModel* CLocSysUiLBModel::NewL

// Two-phased constructor

// 

// @param aSettingsArray	Reference to the Settings UI array

//@return CLocSysUiLBModel*	Reference to the object created

//

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

//

CLocSysUiLBModel* CLocSysUiLBModel::NewL(

		 					RPointerArray<CLocationSettings>& aSettingsArray )

	{

	CLocSysUiLBModel* self = new(ELeave)CLocSysUiLBModel( aSettingsArray );

	CleanupStack::PushL( self );

	self->ConstructL();

	CleanupStack::Pop( self );

	return self;

	}

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

// void CLocSysUiLBModel::ConstructL

// Second Phase of the two phase constructor.

// 

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

//

void CLocSysUiLBModel::ConstructL()

	{

	// Allocate the conversion buffer. The maximum length of the conversion buffer

	// is limited to 256 characters												  

	iBuffer = HBufC::NewL( KMaxDescriptionText ); 

	}

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

// CLocationSettings* CLocSysUiLBModel::SettingsUi

// Returns the Settings UI corresponding to a particular Index value.

// The index value starts from 0

//

// @param	aIndex			   Index of the Settings Ui which is requested

// @return	CLocationSettings& Referrence to the Settings UI corresponding

//							   to the index.

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

//	

CLocationSettings& CLocSysUiLBModel::SettingsUiL( TInt	aIndex )

	{

	if( aIndex < 0 || aIndex >= iSettingsArray.Count())

		{

		User::Leave( KErrNotFound );

		}

	return *iSettingsArray[ aIndex ];

	}

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

// void CLocationSettings::UpdateListBoxContentsL

// Updates the List box contents

//

// @param aSettingsArray	Reference to the Settings UI array

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

//

void CLocSysUiLBModel::UpdateListBoxContentsL( 

                RPointerArray<CLocationSettings>& aSettingsArray )

	{

    iSettingsArray= aSettingsArray;

	}

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

// TInt CLocSysUiLBModel::MdcaCount() const

// Inherited from MDesCArray. Returns the total number of items in the 

// Settings description array

//

// @return TInt The total number of elements in the Settings Description array

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

//

TInt CLocSysUiLBModel::MdcaCount() const

	{

	return iSettingsArray.Count();

	}

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

// TPtrC16 CLocSysUiLBModel::MdcaPoint() const

// Inherited from MDesCArray. Returns the list box entry corresponding to the 

// index value

//

// @param  aIndex The index whose list box entry needs to be retrieved

// @return TPtr16 The list box description 

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

//

TPtrC16 CLocSysUiLBModel::MdcaPoint( TInt aIndex ) const

	{

	// Zero the internal buffer

	TPtr ptr( iBuffer->Des());

    ptr.Zero();

    // Format "\t%S\t%d\t\t\t%S"

    // Append the first tab

    ptr.Append( EKeyTab );

    // If the index is within the range append the caption string

    if ( aIndex >= 0 && aIndex < iSettingsArray.Count())

    	{

    	CLocationSettings* settingsItem = iSettingsArray[ aIndex ];

   		TPtrC caption = settingsItem->Caption();

   		ptr.Append( caption );

    	}

    // Append the second tab

    ptr.Append( EKeyTab );

    // Append the third tab

    ptr.Append( EKeyTab );

    // Append the fourth tab

    ptr.Append( EKeyTab );

    // Append the fifth tab

    ptr.Append( EKeyTab );

    return ptr;	

	}