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