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koffice/lib/kofficecore/KoPictureKey.cpp

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/* This file is part of the KDE project
Copyright (c) 2001 Simon Hausmann <hausmann@kde.org>
Copyright 2002 Nicolas GOUTTE <goutte@kde.org>
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.
*/
#include <qdatetime.h>
#include <qfileinfo.h>
#include <qdom.h>
#include <kdebug.h>
#include "KoPictureKey.h"
static void resetDateTimeToEpoch(QDateTime& dt)
{
// set the time point to 1970-01-01
dt.setDate(QDate(1970,1,1));
dt.setTime(QTime(0,0));
// Note: we cannot use QDateTime;;setTime_t as it makes a local time correction! (### TODO: not true anymore with recent Qt versions)
}
KoPictureKey::KoPictureKey()
{
resetDateTimeToEpoch(m_lastModified);
}
KoPictureKey::KoPictureKey( const QString &fn, const QDateTime &mod )
: m_filename( fn ), m_lastModified( mod )
{
if (!m_lastModified.isValid())
{
// As we have an invalid date, set the time point to 1970-01-01
resetDateTimeToEpoch(m_lastModified);
}
}
KoPictureKey::KoPictureKey( const QString &fn )
: m_filename( fn )
{
resetDateTimeToEpoch(m_lastModified);
}
KoPictureKey::KoPictureKey( const KoPictureKey &key )
: m_filename( key.m_filename ), m_lastModified( key.m_lastModified )
{
}
KoPictureKey& KoPictureKey::operator=( const KoPictureKey &key )
{
m_filename = key.m_filename;
m_lastModified = key.m_lastModified;
return *this;
}
bool KoPictureKey::operator==( const KoPictureKey &key ) const
{
return ( key.m_filename == m_filename &&
key.m_lastModified == m_lastModified );
}
bool KoPictureKey::operator<( const KoPictureKey &key ) const
{
return key.toString() < toString();
}
void KoPictureKey::saveAttributes( QDomElement &elem ) const
{
QDate date = m_lastModified.date();
QTime time = m_lastModified.time();
elem.setAttribute( "filename", m_filename );
elem.setAttribute( "year", date.year() );
elem.setAttribute( "month", date.month() );
elem.setAttribute( "day", date.day() );
elem.setAttribute( "hour", time.hour() );
elem.setAttribute( "minute", time.minute() );
elem.setAttribute( "second", time.second() );
elem.setAttribute( "msec", time.msec() );
}
void KoPictureKey::loadAttributes( const QDomElement &elem )
{
// Default date/time is the *nix epoch: 1970-01-01 00:00:00,000
int year=1970, month=1, day=1;
int hour=0, minute=0, second=0, msec=0; // We must initialize to zero, as not all compilers are C99-compliant
if( elem.hasAttribute( "key" ) )
{
// Note: the old KWord format (up to 1.1-beta2) has no date/time
m_filename=elem.attribute( "key" );
}
else
{
// ### TODO: document which format is this?
m_filename=elem.attribute( "filename" );
}
if( elem.hasAttribute( "year" ) )
year=elem.attribute( "year" ).toInt();
if( elem.hasAttribute( "month" ) )
month=elem.attribute( "month" ).toInt();
if( elem.hasAttribute( "day" ) )
day=elem.attribute( "day" ).toInt();
if( elem.hasAttribute( "hour" ) )
hour=elem.attribute( "hour" ).toInt();
if( elem.hasAttribute( "minute" ) )
minute=elem.attribute( "minute" ).toInt();
if( elem.hasAttribute( "second" ) )
second=elem.attribute( "second" ).toInt();
if( elem.hasAttribute( "msec" ) )
msec=elem.attribute( "msec" ).toInt();
m_lastModified.setDate( QDate( year, month, day ) );
m_lastModified.setTime( QTime( hour, minute, second, msec ) );
if (!m_lastModified.isValid())
{
// If the date/time is not valid, make it valid by force!
kdWarning(30003) << "Correcting invalid date/time: " << toString() << " (in KoPictureKey::loadAttributes)" << endl;
resetDateTimeToEpoch(m_lastModified);
}
}
QString KoPictureKey::toString() const
{
// We do not use the default QDateTime::toString has it does not show microseconds
return QString::fromLatin1( "%1 %2" )
.arg( m_filename, m_lastModified.toString("yyyy-MM-dd hh:mm:ss.zzz") );
}
void KoPictureKey::setKeyFromFile (const QString& filename)
{
QFileInfo inf(filename);
m_filename = filename;
m_lastModified = inf.lastModified();
}