F:/KPlato/koffice/kplato/kptdatetime.h

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00001 /* This file is part of the KDE project
00002    Copyright (C) 2003 Dag Andersen <danders@get2net.dk>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018 */
00019 #ifndef KPTDATETIME_H
00020 #define KPTDATETIME_H
00021 
00022 #include <qdatetime.h>
00023 #include "kptduration.h"
00024 
00025 namespace KPlato
00026 {
00027 
00028 class Duration;
00029 
00033 class DateTime : public QDateTime {
00034 
00035 public:
00036     DateTime();
00037     DateTime(const QDateTime &dt);
00038     DateTime(const QDate &date);
00039     DateTime(const QDate &date, const QTime &time);
00040 
00044     DateTime operator+(const Duration &duration) const;
00048     DateTime operator-(const Duration &duration) const ;
00052     Duration operator-(const DateTime &dt) const { return duration(dt); }
00053     Duration operator-(const DateTime &dt) { return duration(dt); }
00054 
00055     DateTime &operator+=(const Duration &duration);
00056     DateTime &operator-=(const Duration &duration);
00057 
00058     static DateTime fromString(const QString dts) {
00059         QDateTime dt;
00060         if (dts.isEmpty())
00061             return DateTime();
00062         dt = QDateTime::fromString(dts, Qt::ISODate);
00063         if (dt.isValid())
00064             return DateTime(dt);
00065         return DateTime(QDateTime::fromString(dts));
00066     }
00067 private:
00068 
00069     Duration duration(const DateTime &dt) const;
00070     void add(const Duration &duration);
00071     void subtract(const Duration &duration);
00072 
00073 };
00074 
00075 }  //KPlato namespace
00076 
00077 #endif

Généré le Wed Nov 22 23:40:56 2006 pour KPlato par  doxygen 1.5.1-p1