/*

* Copyright (c) 2003 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:  Implementation of visual - Symbian OS date formats for 

*

*/

#include <AknDateFormatUtils.h>

#include <biditext.h>

#include <e32std.h>

#include <AknUtils.h>

/**

* Current implementation of this should work for any RTL language if it sets the 

* digit type to digit types checked for below

*

* It is meant as a patch for S60 2.0, not as a complete solution to the problem of date

* presentation.

*/

TBool AknDateFormatUtils::DateFieldReOrderingNeeded(TLanguage* aForceLanguage )

    {

    TBool reorderingNeeded(EFalse);

    TLocale locale;

    TLanguage language = (aForceLanguage != NULL) ? *aForceLanguage : AknLangUtils::UserLanguage();

    // Reordering needed in case of RTL language, we have arabic digits and if the separator is not 

    // numeric separator.

     if ( TBidiText::ScriptDirectionality( language ) == TBidiText::ERightToLeft )

        {

        TInt digitType = locale.DigitType();

        if ( digitType == EDigitTypeArabicIndic ||

             digitType == EDigitTypeEasternArabicIndic )

            {

            TChar sep( locale.DateSeparator(1) );

            if ( sep.GetBdCategory() != TChar::ECommonNumberSeparator )

                {

                reorderingNeeded = ETrue;

                }

            }

        }

    return reorderingNeeded;

    }

TAknVisualDateFormat AknDateFormatUtils::MapSymbianDateFormatToWesternVisualDateFormat(

    TDateFormat aFormat )

    {

    TAknVisualDateFormat visualFormat(EVisualDayMonthYear);

    switch ( aFormat )

        {

        case EDateEuropean:

            visualFormat = EVisualDayMonthYear;

            break;

        case EDateAmerican:

            visualFormat = EVisualMonthDayYear;

            break;

        case EDateJapanese:

            visualFormat = EVisualYearMonthDay;

            break;

        }

    return visualFormat;

    }

TDateFormat AknDateFormatUtils::MapWesternVisualDateFormatToSymbianDateFormat(

    TAknVisualDateFormat aFormat )

    {

    TDateFormat osFormat(EDateEuropean);

    switch( aFormat )

        {

        case EVisualDayMonthYear:

        osFormat = EDateEuropean;

            break;

        case EVisualMonthDayYear:

            osFormat = EDateAmerican;

            break;

        case EVisualYearMonthDay:

            osFormat = EDateJapanese;

            break;

        }

    return osFormat;

    }

EXPORT_C TAknVisualDateFormat AknDateFormatUtils::MapSymbianDateFormatToVisualDateFormat(

    TDateFormat aFormat, TLanguage* aForceLanguage )

    {

    // Get the western mapping first

    TAknVisualDateFormat visualFormat = 

        MapSymbianDateFormatToWesternVisualDateFormat( aFormat );

    if ( DateFieldReOrderingNeeded( aForceLanguage ) )

        {

        if ( visualFormat == EVisualDayMonthYear ) 

            visualFormat = EVisualYearMonthDay;

        else if ( visualFormat == EVisualYearMonthDay )

            visualFormat =  EVisualDayMonthYear;

        }

    return visualFormat;

    }

EXPORT_C TDateFormat AknDateFormatUtils::MapVisualDateFormatToSymbianDateFormat(

    TAknVisualDateFormat aFormat, TLanguage* aForceLanguage ) 

    {

    // Get the western mapping first

    TDateFormat osFormat = 

        MapWesternVisualDateFormatToSymbianDateFormat( aFormat );

    if ( DateFieldReOrderingNeeded( aForceLanguage ) )

        {

        if ( osFormat == EDateEuropean ) 

            osFormat = EDateJapanese;

        else if ( osFormat == EDateJapanese )

            osFormat =  EDateEuropean;

        }

    return osFormat;

    }