uifw/AvKon/src/AknDateFormatUtils.cpp
changeset 0 2f259fa3e83a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/src/AknDateFormatUtils.cpp	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,130 @@
+/*
+* 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;
+    }