todo recurchanges

3 files changed, 52 insertions, 2 deletions

diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index bd13132..bb9cb29 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -211,385 +211,388 @@ icalcomponent *ICalFormatImpl::writeFreeBusy(FreeBusy *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->IDStr().isEmpty()) {
       incidence->setNonKDECustomProperty("X-KOPIEXTID",incidence->IDStr() );
   }
 
 
   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));
     }
   }
-
+  if( incidence->hasRecurrenceID() ) {
+      icalcomponent_add_property(parent,
+                                 icalproperty_new_recurrenceid( writeICalDateTime( incidence->recurrenceID())));
+  }
   // 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;
           }
         }
       }
@@ -1015,384 +1018,389 @@ 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;
 
+      case ICAL_RECURRENCEID_PROPERTY:
+        icaltime = icalproperty_get_recurrenceid(p);
+        incidence->setRecurrenceID( readICalDateTime(icaltime) );
+        qDebug(" RecurrenceID %s",incidence->recurrenceID().toString().latin1() );
+        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-KOPIEXTID");
   if (!kp.isNull()) {
     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
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index f9e1e9e..dbc159c 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -1,364 +1,397 @@
 /*
     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 "incidence.h"
 #include "todo.h"
 
 using namespace KCal;
 
 Incidence::Incidence() :
   IncidenceBase(),
   mRelatedTo(0), mSecrecy(SecrecyPublic), mPriority(3)
 {
   mRecurrence = new Recurrence(this);
   mCancelled = false;
   recreate();
   mHasStartDate = true;
   mAlarms.setAutoDelete(true);
   mAttachments.setAutoDelete(true);
+  mHasRecurrenceID = false;
 }
 
 Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
 {
 // TODO: reenable attributes currently commented out.
   mRevision = i.mRevision;
   mCreated = i.mCreated;
   mDescription = i.mDescription;
   mSummary = i.mSummary;
   mCategories = i.mCategories;
 //  Incidence *mRelatedTo;          Incidence *mRelatedTo;
   mRelatedTo = 0;
   mRelatedToUid = i.mRelatedToUid;
 //  QPtrList<Incidence> mRelations;    QPtrList<Incidence> mRelations;
   mExDates = i.mExDates;
   mAttachments = i.mAttachments;
   mResources = i.mResources;
   mSecrecy = i.mSecrecy;
   mPriority = i.mPriority;
   mLocation = i.mLocation;
   mCancelled = i.mCancelled;
   mHasStartDate = i.mHasStartDate;
   QPtrListIterator<Alarm> it( i.mAlarms );
   const Alarm *a;
   while( (a = it.current()) ) {
     Alarm *b = new Alarm( *a );
     b->setParent( this );
     mAlarms.append( b );
 
     ++it;
   }
   mAlarms.setAutoDelete(true);
-
+  mHasRecurrenceID = i.mHasRecurrenceID;
+  mRecurrenceID = i.mRecurrenceID;
   mRecurrence = new Recurrence( *(i.mRecurrence), this );
 }
 
 Incidence::~Incidence()
 {
    
   Incidence *ev;
    QPtrList<Incidence> Relations = relations();
   for (ev=Relations.first();ev;ev=Relations.next()) {
     if (ev->relatedTo() == this) ev->setRelatedTo(0);
   } 
   if (relatedTo()) relatedTo()->removeRelation(this);
   delete mRecurrence; 
  
 }
+bool Incidence::hasRecurrenceID() const
+{
+    return mHasRecurrenceID;
+}
+
+void Incidence::setHasRecurrenceID( bool b )
+{
+    mHasRecurrenceID = b;
+}
+   
+void Incidence::setRecurrenceID(QDateTime d)
+{
+    mRecurrenceID = d;
+    mHasRecurrenceID = true;
+    updated(); 
+}
+QDateTime Incidence::recurrenceID () const
+{
+    return mRecurrenceID;
+}
 
 bool Incidence::cancelled() const
 {
     return mCancelled;
 }
 void Incidence::setCancelled( bool b )
 {
     mCancelled = b;
     updated();
 }
 bool Incidence::hasStartDate() const
 {
   return mHasStartDate;
 }
 
 void Incidence::setHasStartDate(bool f)
 {
   if (mReadOnly) return;
   mHasStartDate = f;
   updated();
 }
 
 // A string comparison that considers that null and empty are the same
 static bool stringCompare( const QString& s1, const QString& s2 )
 {
     if ( s1.isEmpty() && s2.isEmpty() )
         return true;
     return s1 == s2;
 }
 
 bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
 {
   
     if( i1.alarms().count() != i2.alarms().count() ) {
         return false; // no need to check further
     }
     if ( i1.alarms().count() > 0 ) {
         if ( !( *(i1.alarms().first()) == *(i2.alarms().first())) ) 
             {
             qDebug("alarm not equal ");
             return false;
         }
     }
 #if 0
     QPtrListIterator<Alarm> a1( i1.alarms() );
     QPtrListIterator<Alarm> a2( i2.alarms() );
     for( ; a1.current() && a2.current(); ++a1, ++a2 ) {
         if( *a1.current() == *a2.current() ) {
             continue;
         }
         else {
             return false;
         }
     }
 #endif
   
+    if ( i1.hasRecurrenceID() == i2.hasRecurrenceID() ) {
+        if ( i1.hasRecurrenceID() ) {
+            if ( i1.recurrenceID() != i2.recurrenceID() )
+                return false;
+        }
+
+    } else {
+        return false;
+    }
+
     if ( ! operator==( (const IncidenceBase&)i1, (const IncidenceBase&)i2 ) )
         return false;
     if ( i1.hasStartDate() == i2.hasStartDate() ) {
         if ( i1.hasStartDate() ) {
             if ( i1.dtStart() != i2.dtStart() )
                 return false;
         }
     } else {
         return false;
     }
     if (!( *i1.recurrence() == *i2.recurrence()) ) {
         qDebug("recurrence is NOT equal ");
         return false;
     }
     return
         //  i1.created() == i2.created() &&
         stringCompare( i1.description(), i2.description() ) &&
         stringCompare( i1.summary(), i2.summary() ) &&
         i1.categories() == i2.categories() &&
         // no need to compare mRelatedTo
         stringCompare( i1.relatedToUid(), i2.relatedToUid() ) &&
         //      i1.relations() == i2.relations() &&
         i1.exDates() == i2.exDates() &&
         i1.attachments() == i2.attachments() &&
         i1.resources() == i2.resources() &&
         i1.secrecy() == i2.secrecy() &&
         i1.priority() == i2.priority() &&
+        i1.cancelled() == i2.cancelled() &&
         stringCompare( i1.location(), i2.location() );
 }
 
 Incidence* Incidence::recreateCloneException( QDate d  )
 {
     Incidence* newInc = clone();
     newInc->recreate();
     if ( doesRecur() ) {
         addExDate( d );
         newInc->recurrence()->unsetRecurs();
         int len = dtStart().secsTo( ((Event*)this)->dtEnd());
         QTime tim = dtStart().time();
         newInc->setDtStart( QDateTime(d, tim) );
         ((Event*)newInc)->setDtEnd( newInc->dtStart().addSecs( len ) );
     }
     return newInc;
 }
 
 void Incidence::recreate()
 {
   setCreated(QDateTime::currentDateTime());
 
   setUid(CalFormat::createUniqueId());
 
   setRevision(0);
   setIDStr( ":" );
   setLastModified(QDateTime::currentDateTime());
 }
 
 void Incidence::setReadOnly( bool readOnly )
 {
   IncidenceBase::setReadOnly( readOnly );
   recurrence()->setRecurReadOnly( readOnly);
 }
 
 void Incidence::setCreated(QDateTime created)
 {
   if (mReadOnly) return;
   mCreated = getEvenTime(created);
 }
 
 QDateTime Incidence::created() const
 {
   return mCreated;
 }
 
 void Incidence::setRevision(int rev)
 {
   if (mReadOnly) return;
   mRevision = rev;
 
   updated();
 }
 
 int Incidence::revision() const
 {
   return mRevision;
 }
 
 void Incidence::setDtStart(const QDateTime &dtStart)
 {
 
   QDateTime  dt = getEvenTime(dtStart);
   recurrence()->setRecurStart( dt);
   IncidenceBase::setDtStart( dt );
 }
 
 void Incidence::setDescription(const QString &description)
 {
   if (mReadOnly) return;
   mDescription = description;
   updated();
 }
 
 QString Incidence::description() const
 {
   return mDescription;
 }
 
 
 void Incidence::setSummary(const QString &summary)
 {
   if (mReadOnly) return;
   mSummary = summary;
   updated();
 }
 
 QString Incidence::summary() const
 {
   return mSummary;
 }
 
 void Incidence::setCategories(const QStringList &categories)
 {
   if (mReadOnly) return;
   mCategories = categories;
   updated();
 }
 
 // TODO: remove setCategories(QString) function
 void Incidence::setCategories(const QString &catStr)
 {
   if (mReadOnly) return;
   mCategories.clear();
 
   if (catStr.isEmpty()) return;
 
   mCategories = QStringList::split(",",catStr);
 
   QStringList::Iterator it;
   for(it = mCategories.begin();it != mCategories.end(); ++it) {
     *it = (*it).stripWhiteSpace();
   }
 
   updated();
 }
 
 QStringList Incidence::categories() const
 {
   return mCategories;
 }
 
 QString Incidence::categoriesStr()
 {
   return mCategories.join(",");
 }
 
 void Incidence::setRelatedToUid(const QString &relatedToUid)
 {
   if (mReadOnly) return;
   mRelatedToUid = relatedToUid;
 }
 
 QString Incidence::relatedToUid() const
 {
   return mRelatedToUid;
 }
 
 void Incidence::setRelatedTo(Incidence *relatedTo)
 {
     //qDebug("Incidence::setRelatedTo %d ", relatedTo);
     //qDebug("setRelatedTo(Incidence *relatedTo) %s %s", summary().latin1(), relatedTo->summary().latin1() );
   if (mReadOnly || mRelatedTo == relatedTo) return;
   if(mRelatedTo) {
       // updated();
     mRelatedTo->removeRelation(this);
   }
   mRelatedTo = relatedTo;
   if (mRelatedTo) mRelatedTo->addRelation(this);
 }
 
 Incidence *Incidence::relatedTo() const
 {
   return mRelatedTo;
 }
 
 QPtrList<Incidence> Incidence::relations() const
 {
   return mRelations;
 }
 
 void Incidence::addRelation(Incidence *event)
 {
   if( mRelations.findRef( event ) == -1 ) {
     mRelations.append(event);
     //updated();
   }
 }
 
 void Incidence::removeRelation(Incidence *event)
 {
   
   mRelations.removeRef(event); 
  
 //  if (event->getRelatedTo() == this) event->setRelatedTo(0);
 }
 
 bool Incidence::recursOn(const QDate &qd) const
 {
   if (recurrence()->recursOnPure(qd) && !isException(qd)) return true;
   else return false;
 }
 
 void Incidence::setExDates(const DateList &exDates)
 {
   if (mReadOnly) return;
   mExDates = exDates;
 
   recurrence()->setRecurExDatesCount(mExDates.count());
 
   updated();
 }
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index de2a381..38d2aaa 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -74,226 +74,235 @@ class Incidence : public IncidenceBase
         virtual bool visit(Journal *) { return false; }
 
       protected:
         /** Constructor is protected to prevent direct creation of visitor base class. */
         Visitor() {}
     };
 
     /**
       This class implements a visitor for adding an Incidence to a resource
       supporting addEvent(), addTodo() and addJournal() calls.
     */
     template<class T>
     class AddVisitor : public Visitor
     {
       public:
         AddVisitor( T *r ) : mResource( r ) {}
         bool visit( Event *e ) { return mResource->addEvent( e ); }
         bool visit( Todo *t ) { return mResource->addTodo( t ); }
         bool visit( Journal *j ) { return mResource->addJournal( j ); }
 
       private:
         T *mResource;
     };
 
     /** enumeration for describing an event's secrecy. */
     enum { SecrecyPublic = 0, SecrecyPrivate = 1, SecrecyConfidential = 2 };
     typedef ListBase<Incidence> List;
     Incidence();
     Incidence(const Incidence &);
     ~Incidence();
 
     /**
       Accept IncidenceVisitor. A class taking part in the visitor mechanism has to
       provide this implementation:
       <pre>
         bool accept(Visitor &v) { return v.visit(this); }
       </pre>
     */
     virtual bool accept(Visitor &) { return false; }
 
     virtual Incidence *clone() = 0;
 
     virtual QDateTime getNextAlarmDateTime( bool * ok, int * offset ) const = 0;
     void setReadOnly( bool );
 
     /**
       Recreate event. The event is made a new unique event, but already stored
       event information is preserved. Sets uniquie id, creation date, last
       modification date and revision number.
     */
     void recreate();
     Incidence*  recreateCloneException(QDate);
 
     /** set creation date */
     void setCreated(QDateTime);
     /** return time and date of creation. */
     QDateTime created() const;
 
     /** set the number of revisions this event has seen */
     void setRevision(int rev);
     /** return the number of revisions this event has seen */
     int revision() const;
 
     /** Set starting date/time. */
     virtual void setDtStart(const QDateTime &dtStart);
     /** Return the incidence's ending date/time as a QDateTime. */
     virtual QDateTime dtEnd() const  { return QDateTime(); }
 
     /** sets the event's lengthy description. */
     void setDescription(const QString &description);
     /** returns a reference to the event's description. */
     QString description() const;
 
     /** sets the event's short summary. */
     void setSummary(const QString &summary);
     /** returns a reference to the event's summary. */
     QString summary() const;
 
     /** set event's applicable categories */
     void setCategories(const QStringList &categories);
     /** set event's categories based on a comma delimited string */
     void setCategories(const QString &catStr);
     /** return categories in a list */
     QStringList categories() const;
     /** return categories as a comma separated string */
     QString categoriesStr();
 
     /** point at some other event to which the event relates. This function should
      *  only be used when constructing a calendar before the related Event
      *  exists. */
     void setRelatedToUid(const QString &);
     /** what event does this one relate to? This function should
      *  only be used when constructing a calendar before the related Event
      *  exists. */
     QString relatedToUid() const;
     /** point at some other event to which the event relates */
     void setRelatedTo(Incidence *relatedTo);
     /** what event does this one relate to? */
     Incidence *relatedTo() const;
     /** All events that are related to this event */
     QPtrList<Incidence> relations() const;
     /** Add an event which is related to this event */
     void addRelation(Incidence *);
     /** Remove event that is related to this event */
     void removeRelation(Incidence *);
 
     /** returns the list of dates which are exceptions to the recurrence rule */
     DateList exDates() const;
     /** sets the list of dates which are exceptions to the recurrence rule */
     void setExDates(const DateList &_exDates);
     void setExDates(const char *dates);
     /** Add a date to the list of exceptions of the recurrence rule. */
     void addExDate(const QDate &date);
 
     /** returns true if there is an exception for this date in the recurrence
      rule set, or false otherwise. */
     bool isException(const QDate &qd) const;
 
     /** add attachment to this event */
     void addAttachment(Attachment *attachment);
     /** remove and delete a specific attachment */
     void deleteAttachment(Attachment *attachment);
     /** remove and delete all attachments with this mime type */
     void deleteAttachments(const QString& mime);
     /** return list of all associated attachments */
     QPtrList<Attachment> attachments() const;
     /** find a list of attachments with this mime type */
     QPtrList<Attachment> attachments(const QString& mime) const;
 
     /** sets the event's status the value specified.  See the enumeration
      * above for possible values. */
     void setSecrecy(int);
     /** return the event's secrecy. */
     int secrecy() const;
     /** return the event's secrecy in string format. */
     QString secrecyStr() const;
     /** return list of all availbale secrecy classes */
     static QStringList secrecyList();
     /** return human-readable name of secrecy class */
     static QString secrecyName(int);
 
     /** returns TRUE if the date specified is one on which the event will
      * recur. */
     bool recursOn(const QDate &qd) const;
 
     // VEVENT and VTODO, but not VJOURNAL (move to EventBase class?):
 
     /** set resources used, such as Office, Car, etc. */
     void setResources(const QStringList &resources);
     /** return list of current resources */
     QStringList resources() const;
 
     /** set the event's priority, 0 is undefined, 1 highest (decreasing order) */
     void setPriority(int priority);
     /** get the event's priority */
     int priority() const;
 
     /** All alarms that are associated with this incidence */
     QPtrList<Alarm> alarms() const;
     /** Create a new alarm which is associated with this incidence */
     Alarm* newAlarm();
     /** Add an alarm which is associated with this incidence */
     void addAlarm(Alarm*);
     /** Remove an alarm that is associated with this incidence */
     void removeAlarm(Alarm*);
     /** Remove all alarms that are associated with this incidence */
     void clearAlarms();
     /** return whether any alarm associated with this incidence is enabled */
     bool isAlarmEnabled() const;
 
     /**
       Return the recurrence rule associated with this incidence. If there is
       none, returns an appropriate (non-0) object.
     */
     Recurrence *recurrence() const;
     void setRecurrence(Recurrence * r);
     /**
       Forward to Recurrence::doesRecur().
     */
     ushort doesRecur() const;
 
     /** set the event's/todo's location. Do _not_ use it with journal */
     void setLocation(const QString &location);
     /** return the event's/todo's location. Do _not_ use it with journal */
     QString location() const;  
    /** returns TRUE or FALSE depending on whether the todo has a start date */
     bool hasStartDate() const;
     /** sets the event's hasStartDate value. */
     void setHasStartDate(bool f);
     QDateTime getNextOccurence( const QDateTime& dt, bool* yes ) const;
     bool cancelled() const;
     void setCancelled( bool b );
+    
+    bool hasRecurrenceID() const;
+    void setHasRecurrenceID( bool b );
+    
+    void setRecurrenceID(QDateTime);
+    QDateTime recurrenceID () const;
+    
 
 protected:
     QPtrList<Alarm> mAlarms;
     QPtrList<Incidence> mRelations;
   private:
     int mRevision;
     bool mCancelled;
 
     // base components of jounal, event and todo
+    QDateTime mRecurrenceID;
+    bool mHasRecurrenceID;
     QDateTime mCreated;
     QString mDescription;
     QString mSummary;
     QStringList mCategories;
     Incidence *mRelatedTo;
     QString mRelatedToUid;
     DateList mExDates;
     QPtrList<Attachment> mAttachments;
     QStringList mResources;
     bool mHasStartDate;                  // if todo has associated start date
 
     int mSecrecy;
     int mPriority;                        // 1 = highest, 2 = less, etc.
 
     //QPtrList<Alarm> mAlarms;
     Recurrence *mRecurrence;
     
     QString mLocation;
 };
 
 bool operator==( const Incidence&, const Incidence& );
 
 }
 
 #endif