More sync work

3 files changed, 92 insertions, 13 deletions

diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index df05ab3..c23978d 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -1,1802 +1,1796 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@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., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include <qdatetime.h>
 #include <qstring.h>
 #include <qptrlist.h>
 #include <qfile.h>
 
 #include <kdebug.h>
 #include <klocale.h>
 #include <kglobal.h>
 
 extern "C" {
   #include <ical.h>
   #include <icalss.h>
   #include <icalparser.h>
   #include <icalrestriction.h>
 }
 
 #include "calendar.h"
 #include "journal.h"
 #include "icalformat.h"
 #include "icalformatimpl.h"
 #include "compat.h"
 
 #define _ICAL_VERSION "2.0"
 
 using namespace KCal;
 
 const int gSecondsPerMinute = 60;
 const int gSecondsPerHour   = gSecondsPerMinute * 60;
 const int gSecondsPerDay    = gSecondsPerHour   * 24;
 const int gSecondsPerWeek   = gSecondsPerDay    * 7;
 
 ICalFormatImpl::ICalFormatImpl( ICalFormat *parent ) :
   mParent( parent ), mCalendarVersion( 0 )
 {
   mCompat = new Compat;
 }
 
 ICalFormatImpl::~ICalFormatImpl()
 {
   delete mCompat;
 }
 
 class ToStringVisitor : public Incidence::Visitor
 {
   public:
     ToStringVisitor( ICalFormatImpl *impl ) : mImpl( impl ), mComponent( 0 ) {}
 
     bool visit( Event *e ) { mComponent = mImpl->writeEvent( e ); return true; }
     bool visit( Todo *e ) { mComponent = mImpl->writeTodo( e ); return true; }
     bool visit( Journal *e ) { mComponent = mImpl->writeJournal( e ); return true; }
 
     icalcomponent *component() { return mComponent; }
 
   private:
     ICalFormatImpl *mImpl;
     icalcomponent *mComponent;
 };
 
 icalcomponent *ICalFormatImpl::writeIncidence(Incidence *incidence)
 {
   ToStringVisitor v( this );
   incidence->accept(v);
   return v.component();
 }
 
 icalcomponent *ICalFormatImpl::writeTodo(Todo *todo)
 {
   QString tmpStr;
   QStringList tmpStrList;
 
   icalcomponent *vtodo = icalcomponent_new(ICAL_VTODO_COMPONENT);
 
   writeIncidence(vtodo,todo);
 
   // due date
   if (todo->hasDueDate()) {
     icaltimetype due;
     if (todo->doesFloat()) {
       due = writeICalDate(todo->dtDue().date());
     } else {
       due = writeICalDateTime(todo->dtDue());
     }
     icalcomponent_add_property(vtodo,icalproperty_new_due(due));
   }
 
   // start time
   if (todo->hasStartDate()) {
     icaltimetype start;
     if (todo->doesFloat()) {
 //      kdDebug(5800) << "§§ Incidence " << todo->summary() << " floats." << endl;
       start = writeICalDate(todo->dtStart().date());
     } else {
 //      kdDebug(5800) << "§§ incidence " << todo->summary() << " has time." << endl;
       start = writeICalDateTime(todo->dtStart());
     }
     icalcomponent_add_property(vtodo,icalproperty_new_dtstart(start));
   }
 
   // completion date
   if (todo->isCompleted()) {
     if (!todo->hasCompletedDate()) {
       // If todo was created by KOrganizer <2.2 it has no correct completion
       // date. Set it to now.
       todo->setCompleted(QDateTime::currentDateTime());
     }
     icaltimetype completed = writeICalDateTime(todo->completed());
     icalcomponent_add_property(vtodo,icalproperty_new_completed(completed));
   }
 
   icalcomponent_add_property(vtodo,
       icalproperty_new_percentcomplete(todo->percentComplete()));
 
   return vtodo;
 }
 
 icalcomponent *ICalFormatImpl::writeEvent(Event *event)
 {
   kdDebug(5800) << "Write Event '" << event->summary() << "' (" << event->uid()
               << ")" << endl;
 
   QString tmpStr;
   QStringList tmpStrList;
 
   icalcomponent *vevent = icalcomponent_new(ICAL_VEVENT_COMPONENT);
 
   writeIncidence(vevent,event);
 
   // start time
   icaltimetype start;
   if (event->doesFloat()) {
 //    kdDebug(5800) << "§§ Incidence " << event->summary() << " floats." << endl;
     start = writeICalDate(event->dtStart().date());
   } else {
 //    kdDebug(5800) << "§§ incidence " << event->summary() << " has time." << endl;
     start = writeICalDateTime(event->dtStart());
   }
   icalcomponent_add_property(vevent,icalproperty_new_dtstart(start));
 
   if (event->hasEndDate()) {
     // end time
     icaltimetype end;
     if (event->doesFloat()) {
 //      kdDebug(5800) << "§§ Event " << event->summary() << " floats." << endl;
       // +1 day because end date is non-inclusive.
       end = writeICalDate( event->dtEnd().date().addDays( 1 ) );
     } else {
 //      kdDebug(5800) << "§§ Event " << event->summary() << " has time." << endl;
       end = writeICalDateTime(event->dtEnd());
     }
     icalcomponent_add_property(vevent,icalproperty_new_dtend(end));
   }
 
 // TODO: attachments, resources
 #if 0
   // attachments
   tmpStrList = anEvent->attachments();
   for ( QStringList::Iterator it = tmpStrList.begin();
         it != tmpStrList.end();
         ++it )
     addPropValue(vevent, VCAttachProp, (*it).utf8());
 
   // resources
   tmpStrList = anEvent->resources();
   tmpStr = tmpStrList.join(";");
   if (!tmpStr.isEmpty())
     addPropValue(vevent, VCResourcesProp, tmpStr.utf8());
 
 #endif
 
   // Transparency
   switch( event->transparency() ) {
   case Event::Transparent:
       icalcomponent_add_property(vevent, icalproperty_new_transp(ICAL_TRANSP_TRANSPARENT));
     break;
   case Event::Opaque:
     icalcomponent_add_property(vevent, icalproperty_new_transp(ICAL_TRANSP_OPAQUE));
     break;
   }
 
   return vevent;
 }
 
 icalcomponent *ICalFormatImpl::writeFreeBusy(FreeBusy *freebusy,
                                              Scheduler::Method method)
 {
 #if QT_VERSION >= 300
   kdDebug(5800) << "icalformatimpl: writeFreeBusy: startDate: "
     << freebusy->dtStart().toString("ddd MMMM d yyyy: h:m:s ap") << " End Date: "
     << freebusy->dtEnd().toString("ddd MMMM d yyyy: h:m:s ap") << endl;
 #endif
 
   icalcomponent *vfreebusy = icalcomponent_new(ICAL_VFREEBUSY_COMPONENT);
 
   writeIncidenceBase(vfreebusy,freebusy);
 
   icalcomponent_add_property(vfreebusy, icalproperty_new_dtstart(
       writeICalDateTime(freebusy->dtStart())));
 
   icalcomponent_add_property(vfreebusy, icalproperty_new_dtend(
       writeICalDateTime(freebusy->dtEnd())));
 
   if (method == Scheduler::Request) {
     icalcomponent_add_property(vfreebusy,icalproperty_new_uid(
        freebusy->uid().utf8()));
   }
 
   //Loops through all the periods in the freebusy object
   QValueList<Period> list = freebusy->busyPeriods();
   QValueList<Period>::Iterator it;
   icalperiodtype period;
   for (it = list.begin(); it!= list.end(); ++it) {
     period.start = writeICalDateTime((*it).start());
     period.end = writeICalDateTime((*it).end());
     icalcomponent_add_property(vfreebusy, icalproperty_new_freebusy(period) );
   }
 
   return vfreebusy;
 }
 
 icalcomponent *ICalFormatImpl::writeJournal(Journal *journal)
 {
   icalcomponent *vjournal = icalcomponent_new(ICAL_VJOURNAL_COMPONENT);
 
   writeIncidence(vjournal,journal);
   
   // start time
   if (journal->dtStart().isValid()) {
     icaltimetype start;
     if (journal->doesFloat()) {
 //      kdDebug(5800) << "§§ Incidence " << event->summary() << " floats." << endl;
       start = writeICalDate(journal->dtStart().date());
     } else {
 //      kdDebug(5800) << "§§ incidence " << event->summary() << " has time." << endl;
       start = writeICalDateTime(journal->dtStart());
     }
     icalcomponent_add_property(vjournal,icalproperty_new_dtstart(start));
   }
 
   return vjournal;
 }
 
 void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
 {
   // pilot sync stuff
 // TODO: move this application-specific code to kpilot
   if (incidence->pilotId()) {
     incidence->setNonKDECustomProperty("X-PILOTID", QString::number(incidence->pilotId()));
     incidence->setNonKDECustomProperty("X-PILOTSTAT", QString::number(incidence->syncStatus()));
   }
-  if (incidence->zaurusId() >= 0) {
-      incidence->setNonKDECustomProperty("X-ZAURUSID", QString::number(incidence->zaurusId()));
+  if ( !incidence->IDStr().isEmpty()) {
+      incidence->setNonKDECustomProperty("X-KOPIEXTID",incidence->IDStr() );
   }
 
-  if (incidence->zaurusUid() > 0) {
-      incidence->setNonKDECustomProperty("X-ZAURUSUID", QString::number(incidence->zaurusUid()));
-  }
 
   writeIncidenceBase(parent,incidence);
   if (incidence->cancelled()) {
       icalcomponent_add_property(parent,icalproperty_new_status(ICAL_STATUS_CANCELLED));
   }
 
   // creation date
   icalcomponent_add_property(parent,icalproperty_new_created(
       writeICalDateTime(incidence->created())));
 
   // unique id
   icalcomponent_add_property(parent,icalproperty_new_uid(
       incidence->uid().utf8()));
 
   // revision
   icalcomponent_add_property(parent,icalproperty_new_sequence(
       incidence->revision()));
 
   // last modification date
   icalcomponent_add_property(parent,icalproperty_new_lastmodified(
       writeICalDateTime(incidence->lastModified())));
 
   // description
   if (!incidence->description().isEmpty()) {
     icalcomponent_add_property(parent,icalproperty_new_description(
         incidence->description().utf8()));
   }
 
   // summary
   if (!incidence->summary().isEmpty()) {
     icalcomponent_add_property(parent,icalproperty_new_summary(
         incidence->summary().utf8()));
   }
 
   // location
   if (!incidence->location().isEmpty()) {
     icalcomponent_add_property(parent,icalproperty_new_location(
         incidence->location().utf8()));
   }
 
 // TODO:
   // status
 //  addPropValue(parent, VCStatusProp, incidence->getStatusStr().utf8());
 
   // secrecy
   enum icalproperty_class classInt;
   switch (incidence->secrecy()) {
     case Incidence::SecrecyPublic:
       classInt = ICAL_CLASS_PUBLIC;
       break;
     case Incidence::SecrecyConfidential:
       classInt = ICAL_CLASS_CONFIDENTIAL;
       break;
     case Incidence::SecrecyPrivate:
       classInt =ICAL_CLASS_PRIVATE ;
     default:
       classInt =ICAL_CLASS_PRIVATE ;
       break;
   }
   icalcomponent_add_property(parent,icalproperty_new_class(classInt));
 
   // priority
   icalcomponent_add_property(parent,icalproperty_new_priority(
       incidence->priority()));
 
   // categories
   QStringList categories = incidence->categories();
   QStringList::Iterator it;
   for(it = categories.begin(); it != categories.end(); ++it ) {
     icalcomponent_add_property(parent,icalproperty_new_categories((*it).utf8()));
   }
 // TODO: Ensure correct concatenation of categories properties.
 
 /*
   // categories
   tmpStrList = incidence->getCategories();
   tmpStr = "";
   QString catStr;
   for ( QStringList::Iterator it = tmpStrList.begin();
         it != tmpStrList.end();
         ++it ) {
     catStr = *it;
     if (catStr[0] == ' ')
       tmpStr += catStr.mid(1);
     else
       tmpStr += catStr;
     // this must be a ';' character as the vCalendar specification requires!
     // vcc.y has been hacked to translate the ';' to a ',' when the vcal is
     // read in.
     tmpStr += ";";
   }
   if (!tmpStr.isEmpty()) {
     tmpStr.truncate(tmpStr.length()-1);
     icalcomponent_add_property(parent,icalproperty_new_categories(
         writeText(incidence->getCategories().join(";"))));
   }
 */
 
   // related event
   if (incidence->relatedTo()) {
     icalcomponent_add_property(parent,icalproperty_new_relatedto(
         incidence->relatedTo()->uid().utf8()));
   }
 
   // recurrence rule stuff
   Recurrence *recur = incidence->recurrence();
   if (recur->doesRecur()) {
     
     icalcomponent_add_property(parent,writeRecurrenceRule(recur));
   }
 
   // recurrence excpetion dates
   DateList dateList = incidence->exDates();
   DateList::ConstIterator exIt;
   for(exIt = dateList.begin(); exIt != dateList.end(); ++exIt) {
     icalcomponent_add_property(parent,icalproperty_new_exdate(
         writeICalDate(*exIt)));
   }
   
   // attachments
   QPtrList<Attachment> attachments = incidence->attachments();
   for (Attachment *at = attachments.first(); at; at = attachments.next())
     icalcomponent_add_property(parent,writeAttachment(at));
 
   // alarms
   QPtrList<Alarm> alarms = incidence->alarms();
   Alarm* alarm;
   for (alarm = alarms.first(); alarm; alarm = alarms.next()) {
     if (alarm->enabled()) {
       kdDebug(5800) << "Write alarm for " << incidence->summary() << endl;
       icalcomponent_add_component(parent,writeAlarm(alarm));
     }
   }
 
   // duration
 
 // turned off as it always is set to PTS0 (and must not occur together with DTEND
 
 //  if (incidence->hasDuration()) {
 //    icaldurationtype duration;
 //    duration = writeICalDuration(incidence->duration());
 //    icalcomponent_add_property(parent,icalproperty_new_duration(duration));
 //  }
 }
 
 void ICalFormatImpl::writeIncidenceBase(icalcomponent *parent,IncidenceBase *incidenceBase)
 {
   icalcomponent_add_property(parent,icalproperty_new_dtstamp(
       writeICalDateTime(QDateTime::currentDateTime())));
 
   // organizer stuff
   icalcomponent_add_property(parent,icalproperty_new_organizer(
       ("MAILTO:" + incidenceBase->organizer()).utf8()));
 
   // attendees
   if (incidenceBase->attendeeCount() != 0) {
     QPtrList<Attendee> al = incidenceBase->attendees();
     QPtrListIterator<Attendee> ai(al);
     for (; ai.current(); ++ai) {
       icalcomponent_add_property(parent,writeAttendee(ai.current()));
     }
   }
 
   // custom properties
   writeCustomProperties(parent, incidenceBase);
 }
 
 void ICalFormatImpl::writeCustomProperties(icalcomponent *parent,CustomProperties *properties)
 {
   QMap<QCString, QString> custom = properties->customProperties();
   for (QMap<QCString, QString>::Iterator c = custom.begin();  c != custom.end();  ++c) {
     icalproperty *p = icalproperty_new_x(c.data().utf8());
     icalproperty_set_x_name(p,c.key());
     icalcomponent_add_property(parent,p);
   }
 }
 
 icalproperty *ICalFormatImpl::writeAttendee(Attendee *attendee)
 {
   icalproperty *p = icalproperty_new_attendee("mailto:" + attendee->email().utf8());
 
   if (!attendee->name().isEmpty()) {
     icalproperty_add_parameter(p,icalparameter_new_cn(attendee->name().utf8()));
   }
 
 
   icalproperty_add_parameter(p,icalparameter_new_rsvp(
           attendee->RSVP() ? ICAL_RSVP_TRUE : ICAL_RSVP_FALSE ));
 
   icalparameter_partstat status = ICAL_PARTSTAT_NEEDSACTION;
   switch (attendee->status()) {
     default:
     case Attendee::NeedsAction:
       status = ICAL_PARTSTAT_NEEDSACTION;
       break;
     case Attendee::Accepted:
       status = ICAL_PARTSTAT_ACCEPTED;
       break;
     case Attendee::Declined:
       status = ICAL_PARTSTAT_DECLINED;
       break;
     case Attendee::Tentative:
       status = ICAL_PARTSTAT_TENTATIVE;
       break;
     case Attendee::Delegated:
       status = ICAL_PARTSTAT_DELEGATED;
       break;
     case Attendee::Completed:
       status = ICAL_PARTSTAT_COMPLETED;
       break;
     case Attendee::InProcess:
       status = ICAL_PARTSTAT_INPROCESS;
       break;
   }
   icalproperty_add_parameter(p,icalparameter_new_partstat(status));
 
   icalparameter_role role = ICAL_ROLE_REQPARTICIPANT;
   switch (attendee->role()) {
     case Attendee::Chair:
       role = ICAL_ROLE_CHAIR;
       break;
     default:
     case Attendee::ReqParticipant:
       role = ICAL_ROLE_REQPARTICIPANT;
       break;
     case Attendee::OptParticipant:
       role = ICAL_ROLE_OPTPARTICIPANT;
       break;
     case Attendee::NonParticipant:
       role = ICAL_ROLE_NONPARTICIPANT;
       break;
   }
   icalproperty_add_parameter(p,icalparameter_new_role(role));
 
   if (!attendee->uid().isEmpty()) {
     icalparameter* icalparameter_uid = icalparameter_new_x(attendee->uid().utf8());
     icalparameter_set_xname(icalparameter_uid,"X-UID");
     icalproperty_add_parameter(p,icalparameter_uid);
   }
 
   return p;
 }
 
 icalproperty *ICalFormatImpl::writeAttachment(Attachment *att)
 {
 #if 0
    icalattachtype* attach = icalattachtype_new();
   if (att->isURI())
     icalattachtype_set_url(attach, att->uri().utf8().data());
   else
     icalattachtype_set_base64(attach, att->data(), 0);
 #endif
   icalattach *attach;
   if (att->isURI())
       attach = icalattach_new_from_url( att->uri().utf8().data());
   else
       attach = icalattach_new_from_data ( (unsigned char *)att->data(), 0, 0);
   icalproperty *p = icalproperty_new_attach(attach);
   if (!att->mimeType().isEmpty())
     icalproperty_add_parameter(p,icalparameter_new_fmttype(att->mimeType().utf8().data()));
 
   if (att->isBinary()) {
     icalproperty_add_parameter(p,icalparameter_new_value(ICAL_VALUE_BINARY));
     icalproperty_add_parameter(p,icalparameter_new_encoding(ICAL_ENCODING_BASE64));
   }
   return p;
 }
 
 icalproperty *ICalFormatImpl::writeRecurrenceRule(Recurrence *recur)
 {
 //  kdDebug(5800) << "ICalFormatImpl::writeRecurrenceRule()" << endl;
 
   icalrecurrencetype r;
 
   icalrecurrencetype_clear(&r);
 
   int index = 0;
   int index2 = 0;
 
   QPtrList<Recurrence::rMonthPos> tmpPositions;
   QPtrList<int> tmpDays;
   int *tmpDay;
   Recurrence::rMonthPos *tmpPos;
   bool datetime = false;
   int day;
   int i;
 
   switch(recur->doesRecur()) {
     case Recurrence::rMinutely:
       r.freq = ICAL_MINUTELY_RECURRENCE;
       datetime = true;
       break;
     case Recurrence::rHourly:
       r.freq = ICAL_HOURLY_RECURRENCE;
       datetime = true;
       break;
     case Recurrence::rDaily:
       r.freq = ICAL_DAILY_RECURRENCE;
       break;
     case Recurrence::rWeekly:
       r.freq = ICAL_WEEKLY_RECURRENCE;
       r.week_start = static_cast<icalrecurrencetype_weekday>(recur->weekStart()%7 + 1);
       for (i = 0; i < 7; i++) {
         if (recur->days().testBit(i)) {
           day = (i + 1)%7 + 1;     // convert from Monday=0 to Sunday=1
           r.by_day[index++] = icalrecurrencetype_day_day_of_week(day);
         }
       }
 //      r.by_day[index] = ICAL_RECURRENCE_ARRAY_MAX;
       break;
     case Recurrence::rMonthlyPos:
       r.freq = ICAL_MONTHLY_RECURRENCE;
 
       tmpPositions = recur->monthPositions();
       for (tmpPos = tmpPositions.first();
            tmpPos;
            tmpPos = tmpPositions.next()) {
         for (i = 0; i < 7; i++) {
           if (tmpPos->rDays.testBit(i)) {
             day = (i + 1)%7 + 1;     // convert from Monday=0 to Sunday=1
             day += tmpPos->rPos*8;
             if (tmpPos->negative) day = -day;
             r.by_day[index++] = day;
           }
         }
       }
 //      r.by_day[index] = ICAL_RECURRENCE_ARRAY_MAX;
       break;
     case Recurrence::rMonthlyDay:
       r.freq = ICAL_MONTHLY_RECURRENCE;
 
       tmpDays = recur->monthDays();
       for (tmpDay = tmpDays.first();
            tmpDay;
            tmpDay = tmpDays.next()) {
         r.by_month_day[index++] = icalrecurrencetype_day_position(*tmpDay*8);//*tmpDay);
       }
 //      r.by_day[index] = ICAL_RECURRENCE_ARRAY_MAX;
       break;
     case Recurrence::rYearlyMonth:
     case Recurrence::rYearlyPos:
       r.freq = ICAL_YEARLY_RECURRENCE;
 
       tmpDays = recur->yearNums();
       for (tmpDay = tmpDays.first();
            tmpDay;
            tmpDay = tmpDays.next()) {
         r.by_month[index++] = *tmpDay;
       }
 //      r.by_set_pos[index] = ICAL_RECURRENCE_ARRAY_MAX;
       if (recur->doesRecur() == Recurrence::rYearlyPos) {
         tmpPositions = recur->monthPositions();
         for (tmpPos = tmpPositions.first();
              tmpPos;
              tmpPos = tmpPositions.next()) {
           for (i = 0; i < 7; i++) {
             if (tmpPos->rDays.testBit(i)) {
               day = (i + 1)%7 + 1;     // convert from Monday=0 to Sunday=1
               day += tmpPos->rPos*8;
               if (tmpPos->negative) day = -day;
               r.by_day[index2++] = day;
             }
           }
         }
 //        r.by_day[index2] = ICAL_RECURRENCE_ARRAY_MAX;
       }
       break;
     case Recurrence::rYearlyDay:
       r.freq = ICAL_YEARLY_RECURRENCE;
 
       tmpDays = recur->yearNums();
       for (tmpDay = tmpDays.first();
            tmpDay;
            tmpDay = tmpDays.next()) {
         r.by_year_day[index++] = *tmpDay;
       }
 //      r.by_year_day[index] = ICAL_RECURRENCE_ARRAY_MAX;
       break;
     default:
       r.freq = ICAL_NO_RECURRENCE;
       kdDebug(5800) << "ICalFormatImpl::writeRecurrence(): no recurrence" << endl;
       break;
   }
 
   r.interval = recur->frequency();
 
   if (recur->duration() > 0) {
     r.count = recur->duration();
   } else if (recur->duration() == -1) {
     r.count = 0;
   } else {
     if (datetime)
       r.until = writeICalDateTime(recur->endDateTime());
     else
       r.until = writeICalDate(recur->endDate());
   }
 
 // Debug output
 #if 0
   const char *str = icalrecurrencetype_as_string(&r);
   if (str) {
     kdDebug(5800) << " String: " << str << endl;
   } else {
     kdDebug(5800) << " No String" << endl;
   }
 #endif
 
   return icalproperty_new_rrule(r);
 }
 
 icalcomponent *ICalFormatImpl::writeAlarm(Alarm *alarm)
 {
   icalcomponent *a = icalcomponent_new(ICAL_VALARM_COMPONENT);
 
   icalproperty_action action;
   icalattach *attach = 0;
 
   switch (alarm->type()) {
     case Alarm::Procedure:
       action = ICAL_ACTION_PROCEDURE;
       attach = icalattach_new_from_url( QFile::encodeName(alarm->programFile()).data() );
       icalcomponent_add_property(a,icalproperty_new_attach(attach));
       if (!alarm->programArguments().isEmpty()) {
         icalcomponent_add_property(a,icalproperty_new_description(alarm->programArguments().utf8()));
       }
       break;
     case Alarm::Audio:
       action = ICAL_ACTION_AUDIO;
       if (!alarm->audioFile().isEmpty()) {
           attach = icalattach_new_from_url(QFile::encodeName( alarm->audioFile() ).data());
         icalcomponent_add_property(a,icalproperty_new_attach(attach));
       }
       break;
     case Alarm::Email: {
       action = ICAL_ACTION_EMAIL;
       QValueList<Person> addresses = alarm->mailAddresses();
       for (QValueList<Person>::Iterator ad = addresses.begin();  ad != addresses.end();  ++ad) {
         icalproperty *p = icalproperty_new_attendee("MAILTO:" + (*ad).email().utf8());
         if (!(*ad).name().isEmpty()) {
           icalproperty_add_parameter(p,icalparameter_new_cn((*ad).name().utf8()));
         }
         icalcomponent_add_property(a,p);
       }
       icalcomponent_add_property(a,icalproperty_new_summary(alarm->mailSubject().utf8()));
       icalcomponent_add_property(a,icalproperty_new_description(alarm->text().utf8()));
       QStringList attachments = alarm->mailAttachments();
       if (attachments.count() > 0) {
         for (QStringList::Iterator at = attachments.begin();  at != attachments.end();  ++at) {
             attach = icalattach_new_from_url(QFile::encodeName( *at ).data());
           icalcomponent_add_property(a,icalproperty_new_attach(attach));
         }
       }
       break;
     }
     case Alarm::Display:
       action = ICAL_ACTION_DISPLAY;
       icalcomponent_add_property(a,icalproperty_new_description(alarm->text().utf8()));
       break;
     case Alarm::Invalid:
     default:
       kdDebug(5800) << "Unknown type of alarm" << endl;
       action = ICAL_ACTION_NONE;
       break;
   }
   icalcomponent_add_property(a,icalproperty_new_action(action));
 
   // Trigger time
   icaltriggertype trigger;
   if ( alarm->hasTime() ) {
     trigger.time = writeICalDateTime(alarm->time());
     trigger.duration = icaldurationtype_null_duration();
   } else {
     trigger.time = icaltime_null_time();
     Duration offset;
     if ( alarm->hasStartOffset() )
       offset = alarm->startOffset();
     else
       offset = alarm->endOffset();
     trigger.duration = icaldurationtype_from_int( offset.asSeconds() );
   }
   icalproperty *p = icalproperty_new_trigger(trigger);
   if ( alarm->hasEndOffset() )
     icalproperty_add_parameter(p,icalparameter_new_related(ICAL_RELATED_END));
   icalcomponent_add_property(a,p);
 
   // Repeat count and duration
   if (alarm->repeatCount()) {
     icalcomponent_add_property(a,icalproperty_new_repeat(alarm->repeatCount()));
     icalcomponent_add_property(a,icalproperty_new_duration(
                              icaldurationtype_from_int(alarm->snoozeTime()*60)));
   }
 
   // Custom properties
   QMap<QCString, QString> custom = alarm->customProperties();
   for (QMap<QCString, QString>::Iterator c = custom.begin();  c != custom.end();  ++c) {
     icalproperty *p = icalproperty_new_x(c.data().utf8());
     icalproperty_set_x_name(p,c.key());
     icalcomponent_add_property(a,p);
   }
 
   return a;
 }
 
 Todo *ICalFormatImpl::readTodo(icalcomponent *vtodo)
 {
   Todo *todo = new Todo;
 
   readIncidence(vtodo,todo);
 
   icalproperty *p = icalcomponent_get_first_property(vtodo,ICAL_ANY_PROPERTY);
 
 //  int intvalue;
   icaltimetype icaltime;
 
   QStringList categories;
 
   while (p) {
     icalproperty_kind kind = icalproperty_isa(p);
     switch (kind) {
 
       case ICAL_DUE_PROPERTY:  // due date
         icaltime = icalproperty_get_due(p);
         if (icaltime.is_date) {
           todo->setDtDue(QDateTime(readICalDate(icaltime),QTime(0,0,0)));
           todo->setFloats(true);
 
         } else {
           todo->setDtDue(readICalDateTime(icaltime));
           todo->setFloats(false);
         }
         todo->setHasDueDate(true);
         break;
 
       case ICAL_COMPLETED_PROPERTY:  // completion date
         icaltime = icalproperty_get_completed(p);
         todo->setCompleted(readICalDateTime(icaltime));
         break;
 
       case ICAL_PERCENTCOMPLETE_PROPERTY:  // Percent completed
         todo->setPercentComplete(icalproperty_get_percentcomplete(p));
         break;
 
       case ICAL_RELATEDTO_PROPERTY:  // related todo (parent)
         todo->setRelatedToUid(QString::fromUtf8(icalproperty_get_relatedto(p)));
         mTodosRelate.append(todo);
         break;
 
       case ICAL_DTSTART_PROPERTY:
         // Flag that todo has start date. Value is read in by readIncidence().
         todo->setHasStartDate(true);
         break;
 
       default:
 //        kdDebug(5800) << "ICALFormat::readTodo(): Unknown property: " << kind
 //                  << endl;
         break;
     }
 
     p = icalcomponent_get_next_property(vtodo,ICAL_ANY_PROPERTY);
   }
 
   return todo;
 }
 
 Event *ICalFormatImpl::readEvent(icalcomponent *vevent)
 {
   Event *event = new Event;
   event->setFloats(false);
 
   readIncidence(vevent,event);
 
   icalproperty *p = icalcomponent_get_first_property(vevent,ICAL_ANY_PROPERTY);
 
 //  int intvalue;
   icaltimetype icaltime;
 
   QStringList categories;
   QString transparency;
 
   while (p) {
     icalproperty_kind kind = icalproperty_isa(p);
     switch (kind) {
 
       case ICAL_DTEND_PROPERTY:  // start date and time
         icaltime = icalproperty_get_dtend(p);
         if (icaltime.is_date) {
           event->setFloats( true );
           // End date is non-inclusive
           QDate endDate = readICalDate( icaltime ).addDays( -1 );
           mCompat->fixFloatingEnd( endDate );
           if ( endDate < event->dtStart().date() ) {
             endDate = event->dtStart().date();
           }
           event->setDtEnd( QDateTime( endDate, QTime( 0, 0, 0 ) ) );
         } else {
           event->setDtEnd(readICalDateTime(icaltime));
         }
         break;
 
 // TODO:
   // at this point, there should be at least a start or end time.
   // fix up for events that take up no time but have a time associated
 #if 0
   if (!(vo = isAPropertyOf(vevent, VCDTstartProp)))
     anEvent->setDtStart(anEvent->dtEnd());
   if (!(vo = isAPropertyOf(vevent, VCDTendProp)))
     anEvent->setDtEnd(anEvent->dtStart());
 #endif
 
 // TODO: exdates
 #if 0
   // recurrence exceptions
   if ((vo = isAPropertyOf(vevent, VCExDateProp)) != 0) {
     anEvent->setExDates(s = fakeCString(vObjectUStringZValue(vo)));
     deleteStr(s);
   }
 #endif
 
 #if 0
   // secrecy
   if ((vo = isAPropertyOf(vevent, VCClassProp)) != 0) {
     anEvent->setSecrecy(s = fakeCString(vObjectUStringZValue(vo)));
     deleteStr(s);
   }
   else
     anEvent->setSecrecy("PUBLIC");
 
   // attachments
   tmpStrList.clear();
   initPropIterator(&voi, vevent);
   while (moreIteration(&voi)) {
     vo = nextVObject(&voi);
     if (strcmp(vObjectName(vo), VCAttachProp) == 0) {
       tmpStrList.append(s = fakeCString(vObjectUStringZValue(vo)));
       deleteStr(s);
     }
   }
   anEvent->setAttachments(tmpStrList);
 
   // resources
   if ((vo = isAPropertyOf(vevent, VCResourcesProp)) != 0) {
     QString resources = (s = fakeCString(vObjectUStringZValue(vo)));
     deleteStr(s);
     tmpStrList.clear();
     index1 = 0;
     index2 = 0;
     QString resource;
     while ((index2 = resources.find(';', index1)) != -1) {
       resource = resources.mid(index1, (index2 - index1));
       tmpStrList.append(resource);
       index1 = index2;
     }
     anEvent->setResources(tmpStrList);
   }
 #endif
 
       case ICAL_RELATEDTO_PROPERTY:  // releated event (parent)
         event->setRelatedToUid(QString::fromUtf8(icalproperty_get_relatedto(p)));
         mEventsRelate.append(event);
         break;
 
       case ICAL_TRANSP_PROPERTY:  // Transparency
 	if(icalproperty_get_transp(p) == ICAL_TRANSP_TRANSPARENT )
 	  event->setTransparency( Event::Transparent );
 	else
 	  event->setTransparency( Event::Opaque );
 	break;
 
       default:
 //        kdDebug(5800) << "ICALFormat::readEvent(): Unknown property: " << kind
 //                  << endl;
         break;
     }
 
     p = icalcomponent_get_next_property(vevent,ICAL_ANY_PROPERTY);
   }
 
   QString msade = event->nonKDECustomProperty("X-MICROSOFT-CDO-ALLDAYEVENT");
   if (!msade.isNull()) {
     bool floats = (msade == QString::fromLatin1("TRUE"));
     kdDebug(5800) << "ICALFormat::readEvent(): all day event: " << floats << endl;
     event->setFloats(floats);
     if (floats) {
       QDateTime endDate = event->dtEnd();
       event->setDtEnd(endDate.addDays(-1));
     }
   }
 
   // some stupid vCal exporters ignore the standard and use Description
   // instead of Summary for the default field.  Correct for this.
   if (event->summary().isEmpty() &&
       !(event->description().isEmpty())) {
     QString tmpStr = event->description().simplifyWhiteSpace();
     event->setDescription("");
     event->setSummary(tmpStr);
   }
 
   return event;
 }
 
 FreeBusy *ICalFormatImpl::readFreeBusy(icalcomponent *vfreebusy)
 {
   FreeBusy *freebusy = new FreeBusy;
 
   readIncidenceBase(vfreebusy,freebusy);
 
   icalproperty *p = icalcomponent_get_first_property(vfreebusy,ICAL_ANY_PROPERTY);
 
   icaltimetype icaltime;
   icalperiodtype icalperiod;
   QDateTime period_start, period_end;
 
   while (p) {
     icalproperty_kind kind = icalproperty_isa(p);
     switch (kind) {
 
       case ICAL_DTSTART_PROPERTY:  // start date and time
         icaltime = icalproperty_get_dtstart(p);
         freebusy->setDtStart(readICalDateTime(icaltime));
         break;
 
       case ICAL_DTEND_PROPERTY:  // start End Date and Time
         icaltime = icalproperty_get_dtend(p);
         freebusy->setDtEnd(readICalDateTime(icaltime));
         break;
 
       case ICAL_FREEBUSY_PROPERTY:  //Any FreeBusy Times
         icalperiod = icalproperty_get_freebusy(p);
         period_start = readICalDateTime(icalperiod.start);
         period_end = readICalDateTime(icalperiod.end);
         freebusy->addPeriod(period_start, period_end);
         break;
 
       default:
         kdDebug(5800) << "ICALFormat::readIncidence(): Unknown property: " << kind
                   << endl;
       break;
     }
     p = icalcomponent_get_next_property(vfreebusy,ICAL_ANY_PROPERTY);
   }
 
   return freebusy;
 }
 
 Journal *ICalFormatImpl::readJournal(icalcomponent *vjournal)
 {
   Journal *journal = new Journal;
 
   readIncidence(vjournal,journal);
 
   return journal;
 }
 
 Attendee *ICalFormatImpl::readAttendee(icalproperty *attendee)
 {
   icalparameter *p = 0;
 
   QString email = QString::fromUtf8(icalproperty_get_attendee(attendee));
 
   QString name;
   QString uid = QString::null;
   p = icalproperty_get_first_parameter(attendee,ICAL_CN_PARAMETER);
   if (p) {
     name = QString::fromUtf8(icalparameter_get_cn(p));
   } else {
   }
 
   bool rsvp=false;
   p = icalproperty_get_first_parameter(attendee,ICAL_RSVP_PARAMETER);
   if (p) {
     icalparameter_rsvp rsvpParameter = icalparameter_get_rsvp(p);
     if (rsvpParameter == ICAL_RSVP_TRUE) rsvp = true;
   }
 
   Attendee::PartStat status = Attendee::NeedsAction;
   p = icalproperty_get_first_parameter(attendee,ICAL_PARTSTAT_PARAMETER);
   if (p) {
     icalparameter_partstat partStatParameter = icalparameter_get_partstat(p);
     switch(partStatParameter) {
       default:
       case ICAL_PARTSTAT_NEEDSACTION:
         status = Attendee::NeedsAction;
         break;
       case ICAL_PARTSTAT_ACCEPTED:
         status = Attendee::Accepted;
         break;
       case ICAL_PARTSTAT_DECLINED:
         status = Attendee::Declined;
         break;
       case ICAL_PARTSTAT_TENTATIVE:
         status = Attendee::Tentative;
         break;
       case ICAL_PARTSTAT_DELEGATED:
         status = Attendee::Delegated;
         break;
       case ICAL_PARTSTAT_COMPLETED:
         status = Attendee::Completed;
         break;
       case ICAL_PARTSTAT_INPROCESS:
         status = Attendee::InProcess;
         break;
     }
   }
 
   Attendee::Role role = Attendee::ReqParticipant;
   p = icalproperty_get_first_parameter(attendee,ICAL_ROLE_PARAMETER);
   if (p) {
     icalparameter_role roleParameter = icalparameter_get_role(p);
     switch(roleParameter) {
       case ICAL_ROLE_CHAIR:
         role = Attendee::Chair;
         break;
       default:
       case ICAL_ROLE_REQPARTICIPANT:
         role = Attendee::ReqParticipant;
         break;
       case ICAL_ROLE_OPTPARTICIPANT:
         role = Attendee::OptParticipant;
         break;
       case ICAL_ROLE_NONPARTICIPANT:
         role = Attendee::NonParticipant;
         break;
     }
   }
 
   p = icalproperty_get_first_parameter(attendee,ICAL_X_PARAMETER);
   uid = icalparameter_get_xvalue(p);
   // This should be added, but there seems to be a libical bug here.
   /*while (p) {
    // if (icalparameter_get_xname(p) == "X-UID") {
     uid = icalparameter_get_xvalue(p);
     p = icalproperty_get_next_parameter(attendee,ICAL_X_PARAMETER);
   } */
 
   return new Attendee( name, email, rsvp, status, role, uid );
 }
 
 Attachment *ICalFormatImpl::readAttachment(icalproperty *attach)
 {
   icalattach *a = icalproperty_get_attach(attach);
   icalparameter_value v = ICAL_VALUE_NONE;
   icalparameter_encoding e = ICAL_ENCODING_NONE;
  
   Attachment *attachment = 0;
   /*
   icalparameter *vp = icalproperty_get_first_parameter(attach, ICAL_VALUE_PARAMETER);
   if (vp)
     v = icalparameter_get_value(vp);
 
   icalparameter *ep = icalproperty_get_first_parameter(attach, ICAL_ENCODING_PARAMETER);
   if (ep)
     e = icalparameter_get_encoding(ep);
   */
   int isurl = icalattach_get_is_url (a);
   if (isurl == 0)
       attachment = new Attachment((const char*)icalattach_get_data(a));
   else {
     attachment = new Attachment(QString(icalattach_get_url(a)));
   }
 
   icalparameter *p = icalproperty_get_first_parameter(attach, ICAL_FMTTYPE_PARAMETER);
   if (p)
     attachment->setMimeType(QString(icalparameter_get_fmttype(p)));
 
   return attachment;
 }
 #include <qtextcodec.h> 
 void ICalFormatImpl::readIncidence(icalcomponent *parent,Incidence *incidence)
 {
   readIncidenceBase(parent,incidence);
 
   icalproperty *p = icalcomponent_get_first_property(parent,ICAL_ANY_PROPERTY);
   bool readrec = false;
   const char *text;
   int intvalue;
   icaltimetype icaltime;
   icaldurationtype icalduration;
   struct icalrecurrencetype rectype;
   QStringList categories;
 
   while (p) {
     icalproperty_kind kind = icalproperty_isa(p);
     switch (kind) {
 
       case ICAL_CREATED_PROPERTY:
         icaltime = icalproperty_get_created(p);
         incidence->setCreated(readICalDateTime(icaltime));
         break;
 
       case ICAL_SEQUENCE_PROPERTY:  // sequence
         intvalue = icalproperty_get_sequence(p);
         incidence->setRevision(intvalue);
         break;
 
       case ICAL_LASTMODIFIED_PROPERTY:  // last modification date
         icaltime = icalproperty_get_lastmodified(p);
         incidence->setLastModified(readICalDateTime(icaltime));
         break;
 
       case ICAL_DTSTART_PROPERTY:  // start date and time
         icaltime = icalproperty_get_dtstart(p);
         if (icaltime.is_date) {
           incidence->setDtStart(QDateTime(readICalDate(icaltime),QTime(0,0,0)));
           incidence->setFloats(true);
         } else {
           incidence->setDtStart(readICalDateTime(icaltime));
         }
         break;
 
       case ICAL_DURATION_PROPERTY:  // start date and time
         icalduration = icalproperty_get_duration(p);
         incidence->setDuration(readICalDuration(icalduration));
         break;
 
       case ICAL_DESCRIPTION_PROPERTY:  // description
         text = icalproperty_get_description(p);
         incidence->setDescription(QString::fromUtf8(text));
         break;
 
       case ICAL_SUMMARY_PROPERTY:  // summary
           {
               text = icalproperty_get_summary(p);
               incidence->setSummary(QString::fromUtf8(text));
           }
         break;
        case ICAL_STATUS_PROPERTY:  // summary
         {
             if ( ICAL_STATUS_CANCELLED == icalproperty_get_status(p) )
                 incidence->setCancelled( true );
         }
         break;
 
       case ICAL_LOCATION_PROPERTY:  // location
         text = icalproperty_get_location(p);
         incidence->setLocation(QString::fromUtf8(text));
         break;
 
 #if 0
   // status
   if ((vo = isAPropertyOf(vincidence, VCStatusProp)) != 0) {
     incidence->setStatus(s = fakeCString(vObjectUStringZValue(vo)));
     deleteStr(s);
   }
   else
     incidence->setStatus("NEEDS ACTION");
 #endif
 
       case ICAL_PRIORITY_PROPERTY:  // priority
         intvalue = icalproperty_get_priority(p);
         incidence->setPriority(intvalue);
         break;
 
       case ICAL_CATEGORIES_PROPERTY:  // categories
         text = icalproperty_get_categories(p);
         categories.append(QString::fromUtf8(text));
         break;
         //*******************************************
       case ICAL_RRULE_PROPERTY:
           // we do need (maybe )start datetime of incidence for recurrence
           // such that we can read recurrence only after we read incidence completely
           readrec = true;
           rectype = icalproperty_get_rrule(p);
         break;
 
       case ICAL_EXDATE_PROPERTY:
         icaltime = icalproperty_get_exdate(p);
         incidence->addExDate(readICalDate(icaltime));
         break;
 
     case ICAL_CLASS_PROPERTY: {
         int inttext = icalproperty_get_class(p);
         if (inttext == ICAL_CLASS_PUBLIC ) {
           incidence->setSecrecy(Incidence::SecrecyPublic);
         } else if (inttext == ICAL_CLASS_CONFIDENTIAL ) {
           incidence->setSecrecy(Incidence::SecrecyConfidential);
         } else {
           incidence->setSecrecy(Incidence::SecrecyPrivate);
         }
     }
         break;
 
       case ICAL_ATTACH_PROPERTY:  // attachments
         incidence->addAttachment(readAttachment(p));
         break;
  
       default:
 //        kdDebug(5800) << "ICALFormat::readIncidence(): Unknown property: " << kind
 //                  << endl;
         break;
     }
 
     p = icalcomponent_get_next_property(parent,ICAL_ANY_PROPERTY);
   }
   if ( readrec ) {
       readRecurrenceRule(rectype,incidence);
   }
   // kpilot stuff
 // TODO: move this application-specific code to kpilot
   QString kp = incidence->nonKDECustomProperty("X-PILOTID");
   if (!kp.isNull()) {
     incidence->setPilotId(kp.toInt());
   }
   kp = incidence->nonKDECustomProperty("X-PILOTSTAT");
   if (!kp.isNull()) {
     incidence->setSyncStatus(kp.toInt());
   }
-  kp = incidence->nonKDECustomProperty("X-ZAURUSID");
-  if (!kp.isNull()) {
-    incidence->setZaurusId(kp.toInt());
-  }
 
-  kp = incidence->nonKDECustomProperty("X-ZAURUSUID");
+
+  kp = incidence->nonKDECustomProperty("X-KOPIEXTID");
   if (!kp.isNull()) {
-    incidence->setZaurusUid(kp.toInt());
+    incidence->setIDStr(kp);
   }
 
   // Cancel backwards compatibility mode for subsequent changes by the application
   incidence->recurrence()->setCompatVersion();
 
   // add categories
   incidence->setCategories(categories);
 
   // iterate through all alarms
   for (icalcomponent *alarm = icalcomponent_get_first_component(parent,ICAL_VALARM_COMPONENT);
        alarm;
        alarm = icalcomponent_get_next_component(parent,ICAL_VALARM_COMPONENT)) {
     readAlarm(alarm,incidence);
   }
 }
 
 void ICalFormatImpl::readIncidenceBase(icalcomponent *parent,IncidenceBase *incidenceBase)
 {
   icalproperty *p = icalcomponent_get_first_property(parent,ICAL_ANY_PROPERTY);
 
   while (p) {
     icalproperty_kind kind = icalproperty_isa(p);
     switch (kind) {
 
       case ICAL_UID_PROPERTY:  // unique id
         incidenceBase->setUid(QString::fromUtf8(icalproperty_get_uid(p)));
         break;
 
       case ICAL_ORGANIZER_PROPERTY:  // organizer
         incidenceBase->setOrganizer(QString::fromUtf8(icalproperty_get_organizer(p)));
         break;
 
       case ICAL_ATTENDEE_PROPERTY:  // attendee
         incidenceBase->addAttendee(readAttendee(p));
         break;
 
       default:
         break;
     }
 
     p = icalcomponent_get_next_property(parent,ICAL_ANY_PROPERTY);
   }
 
   // custom properties
   readCustomProperties(parent, incidenceBase);
 }
 
 void ICalFormatImpl::readCustomProperties(icalcomponent *parent,CustomProperties *properties)
 {
   QMap<QCString, QString> customProperties;
 
   icalproperty *p = icalcomponent_get_first_property(parent,ICAL_X_PROPERTY);
 
   while (p) {
     QString value = QString::fromUtf8(icalproperty_get_x(p));
     customProperties[icalproperty_get_x_name(p)] = value;
     //qDebug("ICalFormatImpl::readCustomProperties %s %s",value.latin1(), icalproperty_get_x_name(p) );
 
     p = icalcomponent_get_next_property(parent,ICAL_X_PROPERTY);
   }
 
   properties->setCustomProperties(customProperties);
 }
 
 void ICalFormatImpl::readRecurrenceRule(struct icalrecurrencetype rrule,Incidence *incidence)
 {
 //  kdDebug(5800) << "Read recurrence for " << incidence->summary() << endl;
 
   Recurrence *recur = incidence->recurrence();
   recur->setCompatVersion(mCalendarVersion);
   recur->unsetRecurs();
 
   struct icalrecurrencetype r = rrule;
 
   dumpIcalRecurrence(r);
   readRecurrence( r, recur, incidence);
 }
 
 void ICalFormatImpl::readRecurrence( const struct icalrecurrencetype &r, Recurrence* recur, Incidence *incidence)
 {
     int wkst;
     int index = 0;
     short day = 0;
     QBitArray qba(7);
     int frequ = r.freq;
     int interv = r.interval;
     // preprocessing for odd recurrence definitions
     
     if ( r.freq == ICAL_MONTHLY_RECURRENCE ) {
         if ( r.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX) {
             interv = 12;
         }
     }
     if ( r.freq == ICAL_YEARLY_RECURRENCE ) {
         if ( r.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX && r.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX ) {
             frequ = ICAL_MONTHLY_RECURRENCE;
             interv = 12* r.interval;
         }
     }
   
     switch (frequ) {
     case ICAL_MINUTELY_RECURRENCE:
         if (!icaltime_is_null_time(r.until)) {
             recur->setMinutely(interv,readICalDateTime(r.until));
         } else {
             if (r.count == 0)
                 recur->setMinutely(interv,-1);
             else
                 recur->setMinutely(interv,r.count);
         }
         break;
     case ICAL_HOURLY_RECURRENCE:
         if (!icaltime_is_null_time(r.until)) {
             recur->setHourly(interv,readICalDateTime(r.until));
         } else {
             if (r.count == 0)
                 recur->setHourly(interv,-1);
             else
                 recur->setHourly(interv,r.count);
         }
         break;
     case ICAL_DAILY_RECURRENCE:
         if (!icaltime_is_null_time(r.until)) {
             recur->setDaily(interv,readICalDate(r.until));
         } else {
             if (r.count == 0)
                 recur->setDaily(interv,-1);
             else
                 recur->setDaily(interv,r.count);
         }
         break;
     case ICAL_WEEKLY_RECURRENCE:
         //      kdDebug(5800) << "WEEKLY_RECURRENCE" << endl;
         wkst = (r.week_start + 5)%7 + 1;
         if (!icaltime_is_null_time(r.until)) {
             recur->setWeekly(interv,qba,readICalDate(r.until),wkst);
         } else {
             if (r.count == 0)
                 recur->setWeekly(interv,qba,-1,wkst);
             else
                 recur->setWeekly(interv,qba,r.count,wkst);
         } 
         if ( r.by_day[0] == ICAL_RECURRENCE_ARRAY_MAX) {
             int wday = incidence->dtStart().date().dayOfWeek ()-1;
             //qDebug("weekly error found ");
             qba.setBit(wday);  
         } else {
             while((day = r.by_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
                 //        kdDebug(5800) << " " << day << endl;
                 qba.setBit((day+5)%7);    // convert from Sunday=1 to Monday=0
             }
         }
         break;
     case ICAL_MONTHLY_RECURRENCE:
        
         if (r.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
             if (!icaltime_is_null_time(r.until)) {
                 recur->setMonthly(Recurrence::rMonthlyPos,interv,
                                   readICalDate(r.until));
             } else {
                 if (r.count == 0)
                     recur->setMonthly(Recurrence::rMonthlyPos,interv,-1);
                 else
                     recur->setMonthly(Recurrence::rMonthlyPos,interv,r.count);
             }
             bool useSetPos = false;
             short pos = 0;
             while((day = r.by_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
                 //          kdDebug(5800) << "----a " << index << ": " << day << endl;
                 pos = icalrecurrencetype_day_position(day);
                 if (pos) {
                     day = icalrecurrencetype_day_day_of_week(day);
                     QBitArray ba(7);          // don't wipe qba
                     ba.setBit((day+5)%7);     // convert from Sunday=1 to Monday=0
                     recur->addMonthlyPos(pos,ba);
                 } else {
                     qba.setBit((day+5)%7);    // convert from Sunday=1 to Monday=0
                     useSetPos = true;
                 }
             }
             if (useSetPos) {
                 if (r.by_set_pos[0] != ICAL_RECURRENCE_ARRAY_MAX) {
                     recur->addMonthlyPos(r.by_set_pos[0],qba);
                 }
             }
         } else if (r.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
             if (!icaltime_is_null_time(r.until)) {
                 recur->setMonthly(Recurrence::rMonthlyDay,interv,
                                   readICalDate(r.until));
             } else {
                 if (r.count == 0)
                     recur->setMonthly(Recurrence::rMonthlyDay,interv,-1);
                 else
                     recur->setMonthly(Recurrence::rMonthlyDay,interv,r.count);
             }
             while((day = r.by_month_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
                 //          kdDebug(5800) << "----b " << day << endl;
                 recur->addMonthlyDay(day);
             }
         }
         break;
     case ICAL_YEARLY_RECURRENCE:
         if (r.by_year_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
             //qDebug(" YEARLY  DAY OF YEAR");
             if (!icaltime_is_null_time(r.until)) {
                 recur->setYearly(Recurrence::rYearlyDay,interv,
                                  readICalDate(r.until));
             } else {
                 if (r.count == 0)
                     recur->setYearly(Recurrence::rYearlyDay,interv,-1);
                 else
                     recur->setYearly(Recurrence::rYearlyDay,interv,r.count);
             }
             while((day = r.by_year_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
                 recur->addYearlyNum(day);
             }
         } else if ( true /*r.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX*/) {
             if (r.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
                 qDebug("YEARLY POS NOT SUPPORTED BY GUI");
                 if (!icaltime_is_null_time(r.until)) {
                     recur->setYearly(Recurrence::rYearlyPos,interv,
                                      readICalDate(r.until));
                 } else {
                     if (r.count == 0)
                         recur->setYearly(Recurrence::rYearlyPos,interv,-1);
                     else
                         recur->setYearly(Recurrence::rYearlyPos,interv,r.count);
                 }
                 bool useSetPos = false;
                 short pos = 0;
                 while((day = r.by_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
                     //            kdDebug(5800) << "----a " << index << ": " << day << endl;
                     pos = icalrecurrencetype_day_position(day);
                     if (pos) {
                         day = icalrecurrencetype_day_day_of_week(day);
                         QBitArray ba(7);          // don't wipe qba
                         ba.setBit((day+5)%7);     // convert from Sunday=1 to Monday=0
                         recur->addYearlyMonthPos(pos,ba);
                     } else {
                         qba.setBit((day+5)%7);    // convert from Sunday=1 to Monday=0
                         useSetPos = true;
                     }
                 }
                 if (useSetPos) {
                     if (r.by_set_pos[0] != ICAL_RECURRENCE_ARRAY_MAX) {
                         recur->addYearlyMonthPos(r.by_set_pos[0],qba);
                     }
                 }
             } else { 
                 //qDebug("YEARLY MONTH ");
                 if (!icaltime_is_null_time(r.until)) {
                     recur->setYearly(Recurrence::rYearlyMonth,interv,
                                      readICalDate(r.until));
                 } else {
                     if (r.count == 0)
                         recur->setYearly(Recurrence::rYearlyMonth,interv,-1);
                     else
                         recur->setYearly(Recurrence::rYearlyMonth,interv,r.count);
                 }
                 if ( r.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX ) {
                     index = 0;
                     while((day = r.by_month[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
                         recur->addYearlyNum(day);
                     }
                 } else {
                     recur->addYearlyNum(incidence->dtStart().date().month());
                 }
             }
 
         }
       break;
   default:
       ;
       break;
   }
 }
 
 void ICalFormatImpl::readAlarm(icalcomponent *alarm,Incidence *incidence)
 {
   //kdDebug(5800) << "Read alarm for " << incidence->summary() << endl;
 
   Alarm* ialarm = incidence->newAlarm();
   ialarm->setRepeatCount(0);
   ialarm->setEnabled(true);
 
   // Determine the alarm's action type
   icalproperty *p = icalcomponent_get_first_property(alarm,ICAL_ACTION_PROPERTY);
   if ( !p ) {
     return;
   }
 
   icalproperty_action action = icalproperty_get_action(p);
   Alarm::Type type = Alarm::Display;
   switch ( action ) {
     case ICAL_ACTION_DISPLAY:   type = Alarm::Display;  break;
     case ICAL_ACTION_AUDIO:     type = Alarm::Audio;  break;
     case ICAL_ACTION_PROCEDURE: type = Alarm::Procedure;  break;
     case ICAL_ACTION_EMAIL:     type = Alarm::Email;  break;
     default:
         ;
       return;
   }
   ialarm->setType(type);
 
   p = icalcomponent_get_first_property(alarm,ICAL_ANY_PROPERTY);
   while (p) {
     icalproperty_kind kind = icalproperty_isa(p);
 
     switch (kind) {
       case ICAL_TRIGGER_PROPERTY: {
         icaltriggertype trigger = icalproperty_get_trigger(p);
         if (icaltime_is_null_time(trigger.time)) {
           if (icaldurationtype_is_null_duration(trigger.duration)) {
             kdDebug(5800) << "ICalFormatImpl::readAlarm(): Trigger has no time and no duration." << endl;
           } else {
             Duration duration = icaldurationtype_as_int( trigger.duration );
             icalparameter *param = icalproperty_get_first_parameter(p,ICAL_RELATED_PARAMETER);
             if (param && icalparameter_get_related(param) == ICAL_RELATED_END)
               ialarm->setEndOffset(duration);
             else
               ialarm->setStartOffset(duration);
           }
         } else {
           ialarm->setTime(readICalDateTime(trigger.time));
         }
         break;
       }
       case ICAL_DURATION_PROPERTY: {
         icaldurationtype duration = icalproperty_get_duration(p);
         ialarm->setSnoozeTime(icaldurationtype_as_int(duration)/60);
         break;
       }
       case ICAL_REPEAT_PROPERTY:
         ialarm->setRepeatCount(icalproperty_get_repeat(p));
         break;
 
       // Only in DISPLAY and EMAIL and PROCEDURE alarms
       case ICAL_DESCRIPTION_PROPERTY: {
         QString description = QString::fromUtf8(icalproperty_get_description(p));
         switch ( action ) {
           case ICAL_ACTION_DISPLAY:
             ialarm->setText( description );
             break;
           case ICAL_ACTION_PROCEDURE:
             ialarm->setProgramArguments( description );
             break;
           case ICAL_ACTION_EMAIL:
             ialarm->setMailText( description );
             break;
           default:
             break;
         }
         break;
       }
       // Only in EMAIL alarm
       case ICAL_SUMMARY_PROPERTY:
         ialarm->setMailSubject(QString::fromUtf8(icalproperty_get_summary(p)));
         break;
 
       // Only in EMAIL alarm
       case ICAL_ATTENDEE_PROPERTY: {
         QString email = QString::fromUtf8(icalproperty_get_attendee(p));
         QString name;
         icalparameter *param = icalproperty_get_first_parameter(p,ICAL_CN_PARAMETER);
         if (param) {
           name = QString::fromUtf8(icalparameter_get_cn(param));
         }
         ialarm->addMailAddress(Person(name, email));
         break;
       }
       // Only in AUDIO and EMAIL and PROCEDURE alarms
       case ICAL_ATTACH_PROPERTY: {
         icalattach *attach = icalproperty_get_attach(p);
         QString url = QFile::decodeName(icalattach_get_url(attach));
         switch ( action ) {
           case ICAL_ACTION_AUDIO:
             ialarm->setAudioFile( url );
             break;
           case ICAL_ACTION_PROCEDURE:
             ialarm->setProgramFile( url );
             break;
           case ICAL_ACTION_EMAIL:
             ialarm->addMailAttachment( url );
             break;
           default:
             break;
         }
         break;
       }
       default:
         break;
     }
 
     p = icalcomponent_get_next_property(alarm,ICAL_ANY_PROPERTY);
   }
 
   // custom properties
   readCustomProperties(alarm, ialarm);
 
   // TODO: check for consistency of alarm properties
 }
 
 icaltimetype ICalFormatImpl::writeICalDate(const QDate &date)
 {
   icaltimetype t;
 
   t.year = date.year();
   t.month = date.month();
   t.day = date.day();
 
   t.hour = 0;
   t.minute = 0;
   t.second = 0;
 
   t.is_date = 1;
 
   t.is_utc = 0;
 
   t.zone = 0;
 
   return t;
 }
 
 icaltimetype ICalFormatImpl::writeICalDateTime(const QDateTime &dt )
 {
   icaltimetype t;
   t.is_date = 0;
   t.zone = 0;
   QDateTime  datetime;
   if ( mParent->utc() ) {
       int offset =  KGlobal::locale()->localTimeOffset( dt );
       datetime =  dt.addSecs ( -offset*60);
       t.is_utc = 1;
   }
   else {
       datetime = dt;
       t.is_utc = 0;
 
   }
   t.year = datetime.date().year();
   t.month = datetime.date().month();
   t.day = datetime.date().day();
 
   t.hour = datetime.time().hour();
   t.minute = datetime.time().minute();
   t.second = datetime.time().second();
 
   //qDebug("*** time %s   localtime %s ",dt .toString().latin1()     ,datetime .toString().latin1() );
 
 //   if ( mParent->utc() ) {
 //      datetime =  KGlobal::locale()->localTime( dt );
 //      qDebug("*** time %s   localtime %s ",dt .toString().latin1()     ,datetime .toString().latin1() );
 //     if (mParent->timeZoneId().isEmpty())
 //       t = icaltime_as_utc(t, 0);
 //     else
 //       t = icaltime_as_utc(t,mParent->timeZoneId().local8Bit());
 //   }
 
   return t;
 }
 
 QDateTime ICalFormatImpl::readICalDateTime(icaltimetype t)
 {
     QDateTime dt (QDate(t.year,t.month,t.day),
                   QTime(t.hour,t.minute,t.second) );
 
   if (t.is_utc) {
       int offset = KGlobal::locale()->localTimeOffset( dt );
        dt = dt.addSecs ( offset*60);
   }
 
   return dt;
 }
 
 QDate ICalFormatImpl::readICalDate(icaltimetype t)
 {
   return QDate(t.year,t.month,t.day);
 }
 
 icaldurationtype ICalFormatImpl::writeICalDuration(int seconds)
 {
   icaldurationtype d;
 
   d.weeks    = seconds   % gSecondsPerWeek;
   seconds   -= d.weeks   * gSecondsPerWeek;
   d.days     = seconds   % gSecondsPerDay;
   seconds   -= d.days    * gSecondsPerDay;
   d.hours    = seconds   % gSecondsPerHour;
   seconds   -= d.hours   * gSecondsPerHour;
   d.minutes  = seconds   % gSecondsPerMinute;
   seconds   -= d.minutes * gSecondsPerMinute;
   d.seconds  = seconds;
   d.is_neg = 0;
 
   return d;
 }
 
 int ICalFormatImpl::readICalDuration(icaldurationtype d)
 {
   int result = 0;
 
   result += d.weeks   * gSecondsPerWeek;
   result += d.days    * gSecondsPerDay;
   result += d.hours   * gSecondsPerHour;
   result += d.minutes * gSecondsPerMinute;
   result += d.seconds;
 
   if (d.is_neg) result *= -1;
 
   return result;
 } 
 
diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index 707d666..d7c4595 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -1,393 +1,470 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@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., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 #include <kglobal.h>
 #include <klocale.h>
 #include <kdebug.h>
 
 #include "calformat.h"
 
 #include "incidencebase.h"
 
 using namespace KCal;
 
 IncidenceBase::IncidenceBase() :
   mReadOnly(false), mFloats(true), mDuration(0), mHasDuration(false),
   mPilotId(0), mSyncStatus(SYNCMOD)
 {
   setUid(CalFormat::createUniqueId());
   mOrganizer = "";
   mFloats = false;
   mDuration = 0;
   mHasDuration = false;
   mPilotId = 0; 
   mZaurusId = -1;
   mZaurusUid = 0;
+  mExternalId = ":";
   mTempSyncStat = 0;
   mSyncStatus = 0;
   mAttendees.setAutoDelete( true );
 }
 
 IncidenceBase::IncidenceBase(const IncidenceBase &i) :
   CustomProperties( i )
 {
   mReadOnly = i.mReadOnly;
   mDtStart = i.mDtStart;
   mDuration = i.mDuration;
   mHasDuration = i.mHasDuration;
   mOrganizer = i.mOrganizer;
   mUid = i.mUid;
   QPtrList<Attendee> attendees = i.attendees();
   for( Attendee *a = attendees.first(); a; a = attendees.next() ) {
     mAttendees.append( new Attendee( *a ) );
   }
   mFloats = i.mFloats;
   mLastModified = i.mLastModified;
   mPilotId = i.mPilotId;
   mZaurusId = i.mZaurusId;
   mZaurusUid = i.mZaurusUid;
   mTempSyncStat = i.mTempSyncStat;
   mSyncStatus = i.mSyncStatus;
-
+  mExternalId = i.mExternalId;
   // The copied object is a new one, so it isn't observed by the observer
   // of the original object.
   mObservers.clear();
   
   mAttendees.setAutoDelete( true );
 }
 
 IncidenceBase::~IncidenceBase()
 {
 }
 
 
 bool KCal::operator==( const IncidenceBase& i1, const IncidenceBase& i2 )
 {
-
+    // do not compare mSyncStatus and mExternalId 
     if( i1.attendees().count() != i2.attendees().count() ) {
         return false; // no need to check further
     }
     if ( i1.attendees().count() > 0 ) {
         Attendee * a1 = i1.attendees().first(), *a2 =i2.attendees().first() ;
         while ( a1 ) {
             if ( !( (*a1) == (*a2)) ) 
                 {
                     //qDebug("Attendee not equal ");
                     return false;
                 }
             a1 = i1.attendees().next();
             a2 = i2.attendees().next();
         }
     }
     //if ( i1.dtStart() != i2.dtStart() )
     //  return false;
 #if 0
     qDebug("1 %d ",i1.doesFloat() == i2.doesFloat() );
     qDebug("1 %d ",i1.duration() == i2.duration() );
     qDebug("3 %d ",i1.hasDuration() == i2.hasDuration() );
     qDebug("1 %d ",i1.pilotId() == i2.pilotId() );
     qDebug("1 %d %d %d",i1.syncStatus() == i2.syncStatus() , i1.syncStatus(),i2.syncStatus() );
     qDebug("6 %d ",i1.organizer() == i2.organizer() );
   
 #endif
     return ( i1.organizer() == i2.organizer() &&
              // i1.uid() == i2.uid() &&
              // Don't compare lastModified, otherwise the operator is not
              // of much use. We are not comparing for identity, after all.
              i1.doesFloat() == i2.doesFloat() &&
              i1.duration() == i2.duration() &&
              i1.hasDuration() == i2.hasDuration() &&
              i1.pilotId() == i2.pilotId() );// &&  i1.syncStatus() == i2.syncStatus() );
     // no need to compare mObserver
 }
 
   
 QDateTime IncidenceBase::getEvenTime( QDateTime dt )
 {
     QTime t =  dt.time();
     dt.setTime( QTime (t.hour (), t.minute (), t.second () )  );
     return dt;
 }     
 
 
 void IncidenceBase::setUid(const QString &uid)
 {
   mUid = uid;
   updated();
 }
 
 QString IncidenceBase::uid() const
 {
   return mUid;
 }
 
 void IncidenceBase::setLastModified(const QDateTime &lm)
 {
   // DON'T! updated() because we call this from
   // Calendar::updateEvent().
   mLastModified = getEvenTime(lm);
   //qDebug("IncidenceBase::setLastModified %s ",lm.toString().latin1());
 }
 
 QDateTime IncidenceBase::lastModified() const
 {
   return mLastModified;
 }
 
 void IncidenceBase::setOrganizer(const QString &o)
 {
   // we don't check for readonly here, because it is
   // possible that by setting the organizer we are changing
   // the event's readonly status...
   mOrganizer = o;
   if (mOrganizer.left(7).upper() == "MAILTO:")
     mOrganizer = mOrganizer.remove(0,7);
 
   updated();
 }
 
 QString IncidenceBase::organizer() const
 {
   return mOrganizer;
 }
 
 void IncidenceBase::setReadOnly( bool readOnly )
 {
   mReadOnly = readOnly;
 }
 
 void IncidenceBase::setDtStart(const QDateTime &dtStart)
 {
 //  if (mReadOnly) return;
   mDtStart = getEvenTime(dtStart);
   updated();
 }
 
 QDateTime IncidenceBase::dtStart() const
 {
   return mDtStart;
 }
 
 QString IncidenceBase::dtStartTimeStr() const
 {
   return KGlobal::locale()->formatTime(dtStart().time());
 }
 
 QString IncidenceBase::dtStartDateStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDate(dtStart().date(),shortfmt);
 }
 
 QString IncidenceBase::dtStartStr(bool shortfmt) const
 {
   return KGlobal::locale()->formatDateTime(dtStart(), shortfmt);
 }
 
 
 bool IncidenceBase::doesFloat() const
 {
   return mFloats;
 }
 
 void IncidenceBase::setFloats(bool f)
 {
   if (mReadOnly) return;
   mFloats = f;
   updated();
 }
 
 
 void IncidenceBase::addAttendee(Attendee *a, bool doupdate)
 {
   if (mReadOnly) return;
   if (a->name().left(7).upper() == "MAILTO:")
     a->setName(a->name().remove(0,7));
 
   mAttendees.append(a);
   if (doupdate) updated();
 }
 
 #if 0
 void IncidenceBase::removeAttendee(Attendee *a)
 {
   if (mReadOnly) return;
   mAttendees.removeRef(a);
   updated();
 }
 
 void IncidenceBase::removeAttendee(const char *n)
 {
   Attendee *a;
 
   if (mReadOnly) return;
   for (a = mAttendees.first(); a; a = mAttendees.next())
     if (a->getName() == n) {
       mAttendees.remove();
       break;
     }
 }
 #endif
 
 void IncidenceBase::clearAttendees()
 {
   if (mReadOnly) return;
   mAttendees.clear();
 }
 
 #if 0
 Attendee *IncidenceBase::getAttendee(const char *n) const
 {
   QPtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
     if (qli.current()->getName() == n)
       return qli.current();
     ++qli;
   }
   return 0L;
 }
 #endif
 
 Attendee *IncidenceBase::attendeeByMail(const QString &email)
 {
   QPtrListIterator<Attendee> qli(mAttendees);
 
   qli.toFirst();
   while (qli) {
     if (qli.current()->email() == email)
       return qli.current();
     ++qli;
   }
   return 0L;
 }
 
 Attendee *IncidenceBase::attendeeByMails(const QStringList &emails, const QString& email)
 {
   QPtrListIterator<Attendee> qli(mAttendees);
 
   QStringList mails = emails;
   if (!email.isEmpty()) {
     mails.append(email);
   }
   qli.toFirst();
   while (qli) {
     for ( QStringList::Iterator it = mails.begin(); it != mails.end(); ++it ) {
       if (qli.current()->email() == *it)
         return qli.current();
      }
 
     ++qli;
   }
   return 0L;
 }
 
 void IncidenceBase::setDuration(int seconds)
 {
   mDuration = seconds;
   setHasDuration(true);
 }
 
 int IncidenceBase::duration() const
 {
   return mDuration;
 }
 
 void IncidenceBase::setHasDuration(bool b)
 {
   mHasDuration = b;
 }
 
 bool IncidenceBase::hasDuration() const
 {
   return mHasDuration;
 }
 
 void IncidenceBase::setSyncStatus(int stat)
 {
   if (mReadOnly) return;
   mSyncStatus = stat;
 }
 
 int IncidenceBase::syncStatus() const
 {
   return mSyncStatus;
 }
 
 void IncidenceBase::setPilotId( int id )
 {
   if (mReadOnly) return;
   mPilotId = id;
 }
 
 int IncidenceBase::pilotId() const
 {
   return mPilotId;
 }
 void IncidenceBase::setZaurusId( int id )
 {
   if (mReadOnly) return;
   mZaurusId = id;
 }
 
 int IncidenceBase::zaurusId() const
 {
   return mZaurusId;
 }
 
 int IncidenceBase::zaurusUid() const
 {
   return mZaurusUid;
 }
 void IncidenceBase::setZaurusUid( int id )
 {
   if (mReadOnly) return;
   mZaurusUid = id;
 }
 
 int IncidenceBase::tempSyncStat() const
 {
   return mTempSyncStat;
 }
 void IncidenceBase::setTempSyncStat( int id )
 {
   if (mReadOnly) return;
   mTempSyncStat = id;
 }
 
+void IncidenceBase::setID( const QString & prof , int id )
+{
+    int num = mExternalId.find( ":"+prof+";" );
+    if ( num >= 0 ) {
+        int len = prof.length()+2;
+        int end = mExternalId.find( ";", num+len );
+        if ( end > 0 ) {
+            mExternalId = mExternalId.left( num+len ) +QString::number( id)+mExternalId.mid( end );
+        } else
+            qDebug("Error in IncidenceBase::setID ");
+    } else {
+        mExternalId += prof+";"+QString::number( id) +";0:";
+    }
+}
+int IncidenceBase::getID( const QString &  prof)
+{
+    int ret = -1;
+    int num = mExternalId.find(":"+ prof+";" );
+    if ( num >= 0 ) {
+        int len = prof.length()+2;
+        int end = mExternalId.find( ";", num+len );
+        if ( end > 0 ) {
+            bool ok;
+            ret = mExternalId.mid ( num + len,end-len-num).toInt( &ok );
+            if (!ok)
+                return -1;
+        }
+    }
+    return ret;
+}
+
+// example  :Sharp_DTM;22;23566:TP;-1;8654:TPP;18;0:
+// format name;III;JJJ:  III >= 0, may be -1.  JJJ always >= 0  
+void IncidenceBase::setCsum( const QString & prof , int id )
+{
+    int num = mExternalId.find( ":"+prof+";");
+    if ( num >= 0 ) {
+        int len = prof.length()+2;
+        num = mExternalId.find(  ";", num+len );
+        int end = mExternalId.find( ":", num+1 );
+        if ( end > 0 ) {
+            mExternalId = mExternalId.left( num ) +QString::number(id)+mExternalId.mid( end );
+        } else
+            qDebug("Error in IncidenceBase::setCsum ");
+    } else {
+        mExternalId += prof+";-1;"+QString::number( id) +":";
+    }
+}
+int IncidenceBase::getCsum( const QString &  prof)
+{
+    int ret = -1;
+    int num = mExternalId.find( ":"+prof+";" );
+    if ( num >= 0 ) {
+        int len = prof.length()+2;
+        num = mExternalId.find(  ";", num+len );
+        int end = mExternalId.find( ":", num+1 );
+        if ( end > 0 ) {
+            bool ok;
+            ret = mExternalId.mid ( num ,end-num).toInt( &ok );
+            if (!ok)
+                return -1;
+        }
+    }
+    return ret;
+}
+
+void IncidenceBase::setIDStr( const QString & s )
+{
+  if (mReadOnly) return;
+  mExternalId = s;
+}
+
+QString IncidenceBase::IDStr() const
+{
+    return mExternalId ;
+}
 void IncidenceBase::registerObserver( IncidenceBase::Observer *observer )
 {
   if( !mObservers.contains(observer) ) mObservers.append( observer );
 }
 
 void IncidenceBase::unRegisterObserver( IncidenceBase::Observer *observer )
 {
   mObservers.remove( observer );
 }
 
 void IncidenceBase::updated()
 {
   QPtrListIterator<Observer> it(mObservers);
   while( it.current() ) {
     Observer *o = it.current();
     ++it;
     o->incidenceUpdated( this );
   }
 }
diff --git a/libkcal/incidencebase.h b/libkcal/incidencebase.h
index ce6e254..2f85df6 100644
--- a/libkcal/incidencebase.h
+++ b/libkcal/incidencebase.h
@@ -1,170 +1,178 @@
 /*
     This file is part of libkcal.
     Copyright (c) 2001 Cornelius Schumacher <schumacher@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., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 #ifndef KCAL_INCIDENCEBASE_H
 #define KCAL_INCIDENCEBASE_H
 //
 // Incidence - base class of calendaring components
 //
 
 #include <qdatetime.h>
 #include <qstringlist.h>
 #include <qvaluelist.h>
 #include <qptrlist.h>
 
 #include "customproperties.h"
 #include "attendee.h"
 
 namespace KCal {
 
 typedef QValueList<QDate> DateList;
 
 /**
   This class provides the base class common to all calendar components.
 */
 class IncidenceBase : public CustomProperties
 {
   public:
     class Observer {
       public:
         virtual void incidenceUpdated( IncidenceBase * ) = 0;
     };
 
     IncidenceBase();
     IncidenceBase(const IncidenceBase &);
     virtual ~IncidenceBase();
 
     virtual QCString type() const = 0;
 
     /** Set the unique id for the event */
     void setUid(const QString &);
     /** Return the unique id for the event */
     QString uid() const;
 
     /** Sets the time the incidence was last modified. */
     void setLastModified(const QDateTime &lm);
     /** Return the time the incidence was last modified. */
     QDateTime lastModified() const;
 
     /** sets the organizer for the event */
     void setOrganizer(const QString &o);
     QString organizer() const;
 
     /** Set readonly status. */
     virtual void setReadOnly( bool );
     /** Return if the object is read-only. */
     bool isReadOnly() const { return mReadOnly; }
 
     /** for setting the event's starting date/time with a QDateTime. */
     virtual void setDtStart(const QDateTime &dtStart);
     /** returns an event's starting date/time as a QDateTime. */
     QDateTime dtStart() const;
     /** returns an event's starting time as a string formatted according to the
      users locale settings */
     QString dtStartTimeStr() const;
     /** returns an event's starting date as a string formatted according to the
      users locale settings */
     QString dtStartDateStr(bool shortfmt=true) const;
     /** returns an event's starting date and time as a string formatted according
      to the users locale settings */
     QString dtStartStr(bool shortfmt=true) const;
 
     virtual void setDuration(int seconds);
     int duration() const;
     void setHasDuration(bool);
     bool hasDuration() const;
 
     /** Return true or false depending on whether the incidence "floats,"
      * i.e. has a date but no time attached to it. */
     bool doesFloat() const;
     /** Set whether the incidence floats, i.e. has a date but no time attached to it. */
     void setFloats(bool f);
 
     /**
       Add Attendee to this incidence. IncidenceBase takes ownership of the
       Attendee object.
     */
     void addAttendee(Attendee *a, bool doupdate=true );
 //    void removeAttendee(Attendee *a);
 //    void removeAttendee(const char *n);
     /** Remove all Attendees. */
     void clearAttendees();
     /** Return list of attendees. */
     QPtrList<Attendee> attendees() const { return mAttendees; };
     /** Return number of attendees. */
     int attendeeCount() const { return mAttendees.count(); };
     /** Return the Attendee with this email */
     Attendee* attendeeByMail(const QString &);
     /** Return first Attendee with one of this emails */
     Attendee* attendeeByMails(const QStringList &, const QString& email = QString::null);
 
     /** pilot syncronization states */
     enum { SYNCNONE = 0, SYNCMOD = 1, SYNCDEL = 3 };
     /** Set synchronisation satus. */
     void setSyncStatus(int stat);
     /** Return synchronisation status. */
     int syncStatus() const;
 
     /** Set Pilot Id. */
     void setPilotId(int id);
     /** Return Pilot Id. */
     int pilotId() const;
 
     void setZaurusId(int id);
     int zaurusId() const;
     void setZaurusUid(int id);
     int zaurusUid() const;
     void setTempSyncStat(int id);
     int tempSyncStat() const;
+    void setIDStr( const QString & );
+    QString IDStr() const;
+    void setID( const QString &, int );
+    int getID( const QString & );
+    void setCsum( const QString &, int );
+    int getCsum( const QString & );
+
 
     void registerObserver( Observer * );
     void unRegisterObserver( Observer * );
     void updated();
 
   protected:
     bool mReadOnly;
     QDateTime getEvenTime( QDateTime );
 
   private:
     // base components
     QDateTime mDtStart;
     QString mOrganizer;
     QString mUid;
     QDateTime mLastModified;
     QPtrList<Attendee> mAttendees;
 
     bool mFloats;
 
     int mDuration;
     bool mHasDuration;
+    QString  mExternalId;
     int mZaurusId;
     int mZaurusUid;
     int mTempSyncStat;
 
     // PILOT SYNCHRONIZATION STUFF
     int mPilotId;                         // unique id for pilot sync
     int mSyncStatus;                      // status (for sync)
 
     QPtrList<Observer> mObservers;
 };
 
 bool operator==( const IncidenceBase&, const IncidenceBase& );
 }
 
 #endif