tdepim/kalarm/lib/datetime.cpp

81 lines
2.5 KiB

/*
* datetime.cpp - date/time representation with optional date-only value
* Program: kalarm
* Copyright (C) 2003, 2005 by David Jarvie <software@astrojar.org.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kalarm.h"
#include <tdeglobal.h>
#include <tdelocale.h>
#include "datetime.h"
TQTime DateTime::mStartOfDay;
TQTime DateTime::time() const
{
return mDateOnly ? mStartOfDay : mDateTime.time();
}
TQDateTime DateTime::dateTime() const
{
return mDateOnly ? TQDateTime(mDateTime.date(), mStartOfDay) : mDateTime;
}
TQString DateTime::formatLocale(bool shortFormat) const
{
if (mDateOnly)
return TDEGlobal::locale()->formatDate(mDateTime.date(), shortFormat);
else if (mTimeValid)
return TDEGlobal::locale()->formatDateTime(mDateTime, shortFormat);
else
return TQString();
}
bool operator==(const DateTime& dt1, const DateTime& dt2)
{
if (dt1.mDateTime.date() != dt2.mDateTime.date())
return false;
if (dt1.mDateOnly && dt2.mDateOnly)
return true;
if (!dt1.mDateOnly && !dt2.mDateOnly)
{
bool valid1 = dt1.mTimeValid && dt1.mDateTime.time().isValid();
bool valid2 = dt2.mTimeValid && dt2.mDateTime.time().isValid();
if (!valid1 && !valid2)
return true;
if (!valid1 || !valid2)
return false;
return dt1.mDateTime.time() == dt2.mDateTime.time();
}
return (dt1.mDateOnly ? dt2.mDateTime.time() : dt1.mDateTime.time()) == DateTime::startOfDay();
}
bool operator<(const DateTime& dt1, const DateTime& dt2)
{
if (dt1.mDateTime.date() != dt2.mDateTime.date())
return dt1.mDateTime.date() < dt2.mDateTime.date();
if (dt1.mDateOnly && dt2.mDateOnly)
return false;
if (!dt1.mDateOnly && !dt2.mDateOnly)
return dt1.mDateTime.time() < dt2.mDateTime.time();
TQTime t = DateTime::startOfDay();
if (dt1.mDateOnly)
return t < dt2.mDateTime.time();
return dt1.mDateTime.time() < t;
}