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tdepim/libkcal/compat.cpp

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9.0 KiB

/*
This file is part of libkcal.
Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
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 "compat.h"
#include <kdebug.h>
#include <qregexp.h>
#include "incidence.h"
using namespace KCal;
Compat *CompatFactory::createCompat( const QString &productId )
{
// kdDebug(5800) << "CompatFactory::createCompat(): '" << productId << "'"
// << endl;
Compat *compat = 0;
int korg = productId.find( "KOrganizer" );
int outl9 = productId.find( "Outlook 9.0" );
// int kcal = productId.find( "LibKCal" );
// TODO: Use the version of LibKCal to determine the compat class...
if ( korg >= 0 ) {
int versionStart = productId.find( " ", korg );
if ( versionStart >= 0 ) {
int versionStop = productId.find( QRegExp( "[ /]" ), versionStart + 1 );
if ( versionStop >= 0 ) {
QString version = productId.mid( versionStart + 1,
versionStop - versionStart - 1 );
// kdDebug(5800) << "Found KOrganizer version: " << version << endl;
int versionNum = version.section( ".", 0, 0 ).toInt() * 10000 +
version.section( ".", 1, 1 ).toInt() * 100 +
version.section( ".", 2, 2 ).toInt();
int releaseStop = productId.find( "/", versionStop );
QString release;
if ( releaseStop > versionStop ) {
release = productId.mid( versionStop+1, releaseStop-versionStop-1 );
}
// kdDebug(5800) << "KOrganizer release: \"" << release << "\"" << endl;
// kdDebug(5800) << "Numerical version: " << versionNum << endl;
if ( versionNum < 30100 ) {
compat = new CompatPre31;
} else if ( versionNum < 30200 ) {
compat = new CompatPre32;
} else if ( versionNum == 30200 && release == "pre" ) {
kdDebug(5800) << "Generating compat for KOrganizer 3.2 pre " << endl;
compat = new Compat32PrereleaseVersions;
} else if ( versionNum < 30400 ) {
compat = new CompatPre34;
} else if ( versionNum < 30500 ) {
compat = new CompatPre35;
}
}
}
} else if ( outl9 >= 0 ) {
kdDebug(5800) << "Generating compat for Outlook < 2000 (Outlook 9.0)" << endl;
compat = new CompatOutlook9;
}
if ( !compat ) compat = new Compat;
return compat;
}
void Compat::fixEmptySummary( Incidence *incidence )
{
// some stupid vCal exporters ignore the standard and use Description
// instead of Summary for the default field. Correct for this: Copy the
// first line of the description to the summary (if summary is just one
// line, move it)
if (incidence->summary().isEmpty() &&
!(incidence->description().isEmpty())) {
QString oldDescription = incidence->description().stripWhiteSpace();
QString newSummary( oldDescription );
newSummary.remove( QRegExp("\n.*") );
incidence->setSummary( newSummary );
if ( oldDescription == newSummary )
incidence->setDescription("");
}
}
void Compat::fixRecurrence( Incidence */*incidence*/ )
{
// Prevent use of compatibility mode during subsequent changes by the application
// incidence->recurrence()->setCompatVersion();
}
/** Before kde 3.5, the start date was not automatically a recurring date. So
if the start date doesn't match the recurrence rule, we need to add an ex
date for the date start. If a duration was given, the DTSTART was only counted
if it matched, so by accident this was already the correct behavior, so
we don't need to adjust the duration... */
void CompatPre35::fixRecurrence( Incidence *incidence )
{
Recurrence* recurrence = incidence->recurrence();
if (recurrence ) {
QDateTime start( incidence->dtStart() );
// kde < 3.5 only had one rrule, so no need to loop over all RRULEs.
RecurrenceRule *r = recurrence->defaultRRule();
if ( r && !r->dateMatchesRules( start ) ) {
recurrence->addExDateTime( start );
}
}
// Call base class method now that everything else is done
Compat::fixRecurrence( incidence );
}
int CompatPre34::fixPriority( int prio )
{
if ( 0<prio && prio<6 ) {
// adjust 1->1, 2->3, 3->5, 4->7, 5->9
return 2*prio - 1;
} else return prio;
}
/** The recurrence has a specified number of repetitions.
Pre-3.2, this was extended by the number of exception dates.
This is also rfc 2445-compliant. The duration of an RRULE also counts
events that are later excluded via EXDATE or EXRULE. */
void CompatPre32::fixRecurrence( Incidence *incidence )
{
Recurrence* recurrence = incidence->recurrence();
if ( recurrence->doesRecur() && recurrence->duration() > 0 ) {
recurrence->setDuration( recurrence->duration() + incidence->recurrence()->exDates().count() );
}
// Call base class method now that everything else is done
CompatPre35::fixRecurrence( incidence );
}
/** Before kde 3.1, floating events (events without a date) had 0:00 of their
last day as the end date. E.g. 28.5.2005 0:00 until 28.5.2005 0:00 for an
event that lasted the whole day on May 28, 2005. According to RFC 2445, the
end date for such an event needs to be 29.5.2005 0:00.
Update: We misunderstood rfc 2445 in this regard. For all-day events, the
DTEND is the last day of the event. See a mail from the Author or rfc 2445:
http://www.imc.org/ietf-calendar/archive1/msg03648.html
However, as all other applications also got this wrong, we'll just leave it
as it is and use the wrong interpretation (was also discussed on
ietf-calsify)*/
void CompatPre31::fixFloatingEnd( QDate &endDate )
{
endDate = endDate.addDays( 1 );
}
void CompatPre31::fixRecurrence( Incidence *incidence )
{
CompatPre32::fixRecurrence( incidence );
Recurrence *recur = incidence->recurrence();
RecurrenceRule *r = 0;
if ( recur ) r = recur->defaultRRule();
if ( recur && r ) {
int duration = r->duration();
if ( duration > 0 ) {
// Backwards compatibility for KDE < 3.1.
// rDuration was set to the number of time periods to recur,
// with week start always on a Monday.
// Convert this to the number of occurrences.
r->setDuration( -1 );
QDate end( r->startDt().date() );
bool doNothing = false;
// # of periods:
int tmp = ( duration - 1 ) * r->frequency();
switch ( r->recurrenceType() ) {
case RecurrenceRule::rWeekly: {
end = end.addDays( tmp * 7 + 7 - end.dayOfWeek() );
break; }
case RecurrenceRule::rMonthly: {
int month = end.month() - 1 + tmp;
end.setYMD( end.year() + month / 12, month % 12 + 1, 31 );
break; }
case RecurrenceRule::rYearly: {
end.setYMD( end.year() + tmp, 12, 31);
break; }
default:
doNothing = true;
break;
}
if ( !doNothing ) {
duration = r->durationTo( QDateTime( end, QTime( 0, 0, 0 ) ) );
r->setDuration( duration );
}
}
/* addYearlyNum */
// Dates were stored as day numbers, with a fiddle to take account of leap years.
// Convert the day number to a month.
QValueList<int> days = r->byYearDays();
if ( !days.isEmpty() ) {
QValueList<int> months = r->byMonths();
for ( QValueListConstIterator<int> it = days.begin(); it != days.end(); ++it ) {
int newmonth = QDate( r->startDt().date().year(), 1, 1).addDays( (*it) - 1 ).month();
if ( !months.contains( newmonth ) )
months.append( newmonth );
}
r->setByMonths( months );
days.clear();
r->setByYearDays( days );
}
}
}
/** In Outlook 9, alarms have the wrong sign. I.e. RFC 2445 says that negative
values for the trigger are before the event's start. Outlook/exchange,
however used positive values. */
void CompatOutlook9::fixAlarms( Incidence *incidence )
{
if ( !incidence ) return;
Alarm::List alarms = incidence->alarms();
Alarm::List::Iterator it;
for ( it = alarms.begin(); it != alarms.end(); ++it ) {
Alarm *al = *it;
if ( al && al->hasStartOffset() ) {
Duration offsetDuration = al->startOffset();
int offs = offsetDuration.asSeconds();
if ( offs>0 )
offsetDuration = Duration( -offs );
al->setStartOffset( offsetDuration );
}
}
}