/*

* Copyright (c) 2004-2007 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:  

*

*/

#include <AknQueryDialog.h>

#include <StringLoader.h>

#include <imageprintengine.rsg>

#include "cfloatcapability.h"

const TInt KMaxTRealCharNum( 30 );

const TInt KDecimals( 2 );

// Destructor

CFloatCapability::~CFloatCapability()

    { 

    }

// Creates text string for the settings list box

HBufC* CFloatCapability::ListBoxTextL()

    {   

    const TInt KGranularity( 4 );

    TRealFormat format( KMaxTRealCharNum, KDecimals );

    TBuf<KMaxTRealCharNum> numStr;

    numStr.Zero();

    numStr.AppendNum( iRealValue, format ); 

    CDesCArrayFlat* strings = new ( ELeave ) CDesCArrayFlat( KGranularity );

    CleanupStack::PushL( strings );

    strings->AppendL( iTitle );

    strings->AppendL( numStr );

    HBufC* buf = StringLoader::LoadL( R_QTN_LBOX_FORMAT, *strings ); 

    CleanupStack::PopAndDestroy();  // strings

    return buf;

    }

// Displays pop-up list for changing the active TInt value

TBool CFloatCapability::LaunchPopupListL()

    {    

    TReal aMin = 0;

    TReal aMax = TReal( iMaxNumerator )/TReal( iDenominator );

    CAknFloatingPointQueryDialog* dlg = 

        CAknFloatingPointQueryDialog::NewL( iRealValue );    

    CleanupStack::PushL( dlg );

    dlg->SetPromptL( iTitle );

    dlg->PrepareLC( R_GENERIC_FLOAT_QUERY_DLG );

    CleanupStack::Pop( dlg );

    dlg->SetMinimumAndMaximum( aMin, aMax );

	TBool valueChanged = dlg->RunLD();

    if ( valueChanged )

        {

        iValue = TInt( TReal ( iRealValue / TReal ( iDenominator ) ) );

        }

    return valueChanged;

    }

// Clones itself

CBaseCapability* CFloatCapability::CloneL()

    {

    CFloatCapability* clone = new ( ELeave ) CFloatCapability;    

    clone->iDenominator = iDenominator;

    clone->iIndexOnList = iIndexOnList;

    clone->iMaxNumerator = iMaxNumerator;

    clone->iValue = iValue;

    clone->iTitle = iTitle;

    clone->iUid = iUid;        

    clone->iRealValue = iRealValue;

    return clone;

    }

// Sets the new values and checks the boundaries

TInt CFloatCapability::SetValues( 

    TInt aDenom, 

    TInt aNumerator, 

    TInt aMaxNumerator )

    {

    TInt err( KErrNone );

    if ( aNumerator > aMaxNumerator )        

        {

        err = KErrArgument;

        }

    else

        {

        iDenominator = aDenom;

        iValue = aNumerator;

        iMaxNumerator = aMaxNumerator;

        if( iDenominator != 0 )

            {

            iRealValue = TReal( iValue )/TReal( iDenominator );

            }        

        }

    return err;

    }

// Numerator

TInt CFloatCapability::Numerator() const

    {

    return iValue;

    }

// Denominator

TInt CFloatCapability::Denominator() const

    {

    return iDenominator;

    }

//  End of File