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KHolidays Library

astroseasons.cpp
00001 /*
00002   This file is part of the kholidays library.
00003 
00004   Copyright (c) 2004,2006-2007 Allen Winter <winter@kde.org>
00005 
00006   This library is free software; you can redistribute it and/or
00007   modify it under the terms of the GNU Library General Public
00008   License as published by the Free Software Foundation; either
00009   version 2 of the License, or (at your option) any later version.
00010 
00011   This library is distributed in the hope that it will be useful,
00012   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014   Library General Public License for more details.
00015 
00016   You should have received a copy of the GNU Library General Public License
00017   along with this library; see the file COPYING.LIB.  If not, write to
00018   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019   Boston, MA 02110-1301, USA.
00020 */
00021 
00022 #include "astroseasons.h"
00023 
00024 #include <KLocale>
00025 
00026 #include <QtCore/QDate>
00027 
00028 using namespace KHolidays;
00029 
00030 QString AstroSeasons::seasonNameAtDate( const QDate &date )
00031 {
00032   return seasonName( seasonAtDate( date ) );
00033 }
00034 
00035 QString AstroSeasons::seasonName( AstroSeasons::Season season )
00036 {
00037   switch ( season ) {
00038   case JuneSolstice:
00039     return i18n( "June Solstice" );
00040   case DecemberSolstice:
00041     return i18n( "December Solstice" );
00042   case MarchEquinox:
00043     return i18n( "March Equinox" );
00044   case SeptemberEquinox:
00045     return i18n( "September Equinox" );
00046   default:
00047   case None:
00048     return QString();
00049   }
00050 }
00051 
00052 AstroSeasons::Season AstroSeasons::seasonAtDate( const QDate &date )
00053 {
00054   // see http://www.hermetic.ch/cal_sw/ve/ve.php
00055   Season retSeason = None;
00056 
00057   const int year = date.year();
00058   //Use dumb method for now
00059   if ( date == QDate( year, 6, 22 ) ) {
00060     return JuneSolstice;
00061   }
00062   if ( date == QDate( year, 12, 22 ) ) {
00063     return DecemberSolstice;
00064   }
00065   if ( date == QDate( year, 3, 22 ) ) {
00066     return MarchEquinox;
00067   }
00068   if ( date == QDate( year, 9, 22 ) ) {
00069     return SeptemberEquinox;
00070   }
00071 
00072   return retSeason;
00073 }
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