1 /*

     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Implementation of visual - Symbian OS date formats for 

    15 *

    16 */

    17 

    18 

    19 #include <AknDateFormatUtils.h>

    20 

    21 #include <biditext.h>

    22 #include <e32std.h>

    23 #include <AknUtils.h>

    24 

    25 /**

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

    27 * digit type to digit types checked for below

    28 *

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

    30 * presentation.

    31 */

    32 TBool AknDateFormatUtils::DateFieldReOrderingNeeded(TLanguage* aForceLanguage )

    33     {

    34     TBool reorderingNeeded(EFalse);

    35     TLocale locale;

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

    37 

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

    39     // numeric separator.

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

    41         {

    42         TInt digitType = locale.DigitType();

    43         if ( digitType == EDigitTypeArabicIndic ||

    44              digitType == EDigitTypeEasternArabicIndic )

    45             {

    46             TChar sep( locale.DateSeparator(1) );

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

    48                 {

    49                 reorderingNeeded = ETrue;

    50                 }

    51             }

    52         }

    53         

    54     return reorderingNeeded;

    55     }

    56 

    57 TAknVisualDateFormat AknDateFormatUtils::MapSymbianDateFormatToWesternVisualDateFormat(

    58     TDateFormat aFormat )

    59     {

    60     TAknVisualDateFormat visualFormat(EVisualDayMonthYear);

    61     switch ( aFormat )

    62         {

    63         case EDateEuropean:

    64             visualFormat = EVisualDayMonthYear;

    65             break;

    66 

    67         case EDateAmerican:

    68             visualFormat = EVisualMonthDayYear;

    69             break;

    70 

    71         case EDateJapanese:

    72             visualFormat = EVisualYearMonthDay;

    73             break;

    74         }

    75     return visualFormat;

    76     }

    77 

    78 TDateFormat AknDateFormatUtils::MapWesternVisualDateFormatToSymbianDateFormat(

    79     TAknVisualDateFormat aFormat )

    80     {

    81     TDateFormat osFormat(EDateEuropean);

    82     switch( aFormat )

    83         {

    84         case EVisualDayMonthYear:

    85         osFormat = EDateEuropean;

    86             break;

    87         case EVisualMonthDayYear:

    88             osFormat = EDateAmerican;

    89             break;

    90         case EVisualYearMonthDay:

    91             osFormat = EDateJapanese;

    92             break;

    93         }

    94     return osFormat;

    95     }

    96 

    97 EXPORT_C TAknVisualDateFormat AknDateFormatUtils::MapSymbianDateFormatToVisualDateFormat(

    98     TDateFormat aFormat, TLanguage* aForceLanguage )

    99     {

   100     // Get the western mapping first

   101     TAknVisualDateFormat visualFormat = 

   102         MapSymbianDateFormatToWesternVisualDateFormat( aFormat );

   103 

   104     if ( DateFieldReOrderingNeeded( aForceLanguage ) )

   105         {

   106         if ( visualFormat == EVisualDayMonthYear ) 

   107             visualFormat = EVisualYearMonthDay;

   108         else if ( visualFormat == EVisualYearMonthDay )

   109             visualFormat =  EVisualDayMonthYear;

   110         }

   111 

   112     return visualFormat;

   113     }

   114 

   115 EXPORT_C TDateFormat AknDateFormatUtils::MapVisualDateFormatToSymbianDateFormat(

   116     TAknVisualDateFormat aFormat, TLanguage* aForceLanguage ) 

   117     {

   118     // Get the western mapping first

   119     TDateFormat osFormat = 

   120         MapWesternVisualDateFormatToSymbianDateFormat( aFormat );

   121 

   122     if ( DateFieldReOrderingNeeded( aForceLanguage ) )

   123         {

   124         if ( osFormat == EDateEuropean ) 

   125             osFormat = EDateJapanese;

   126         else if ( osFormat == EDateJapanese )

   127             osFormat =  EDateEuropean;

   128         }

   129     return osFormat;

   130     }