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/* This file is part of the KDE project
Copyright (C) 2003 Dag Andersen <danders@get2net.dk>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KPTDATETIME_H
#define KPTDATETIME_H
#include <tqdatetime.h>
#include "kptduration.h"
namespace KPlato
{
class Duration;
/**
* DateTime is a @ref TQDateTime which knows about @ref Duration
*/
class DateTime : public TQDateTime {
public:
DateTime();
DateTime(const TQDateTime &dt);
DateTime(const TQDate &date, const TQTime &time);
/**
* Adds the duration @param duration to the datetime
*/
DateTime operator+(const Duration &duration) const;
/**
* Subtracts the duration @param duration from the datetime
*/
DateTime operator-(const Duration &duration) const ;
/**
* Returns the absolute duration between the two datetimes
*/
Duration operator-(const DateTime &dt) const { return duration(dt); }
Duration operator-(const DateTime &dt) { return duration(dt); }
DateTime &operator+=(const Duration &duration);
DateTime &operator-=(const Duration &duration);
static DateTime fromString(const TQString dts) {
TQDateTime dt;
if (dts.isEmpty())
return DateTime();
dt = TQDateTime::fromString(dts, Qt::ISODate);
if (dt.isValid())
return DateTime(dt);
return DateTime(TQDateTime::fromString(dts));
}
private:
Duration duration(const DateTime &dt) const;
void add(const Duration &duration);
void subtract(const Duration &duration);
};
} //KPlato namespace
#endif
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