changed incidence type to a faster access method

13 files changed, 26 insertions, 23 deletions

diff --git a/libkcal/calendar.cpp b/libkcal/calendar.cpp
index ed39ddb..7e8e2c5 100644
--- a/libkcal/calendar.cpp
+++ b/libkcal/calendar.cpp
@@ -260,197 +260,197 @@ QPtrList<Incidence> Calendar::incidences()
 }
 
 void Calendar::resetPilotStat(int id )
 {
  QPtrList<Incidence> incidences;
   
   Incidence *i;
 
   QPtrList<Event> e = rawEvents();
   for( i = e.first(); i; i = e.next() ) i->setPilotId( id );
 
   QPtrList<Todo> t = rawTodos();
   for( i = t.first(); i; i = t.next() ) i->setPilotId( id );
 
   QPtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) i->setPilotId( id );
 }
 void Calendar::resetTempSyncStat()
 {
  QPtrList<Incidence> incidences;
   
   Incidence *i;
 
   QPtrList<Event> e = rawEvents();
   for( i = e.first(); i; i = e.next() ) i->setTempSyncStat( SYNC_TEMPSTATE_INITIAL );
 
   QPtrList<Todo> t = rawTodos();
   for( i = t.first(); i; i = t.next() ) i->setTempSyncStat( SYNC_TEMPSTATE_INITIAL );
 
   QPtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) i->setTempSyncStat( SYNC_TEMPSTATE_INITIAL );
 }
 QPtrList<Incidence> Calendar::rawIncidences()
 {
   QPtrList<Incidence> incidences;
   
   Incidence *i;
 
   QPtrList<Event> e = rawEvents();
   for( i = e.first(); i; i = e.next() ) incidences.append( i );
 
   QPtrList<Todo> t = rawTodos();
   for( i = t.first(); i; i = t.next() ) incidences.append( i );
 
   QPtrList<Journal> j = journals();
   for( i = j.first(); i; i = j.next() ) incidences.append( i );
 
   return incidences;
 }
 
 QPtrList<Event> Calendar::events( const QDate &date, bool sorted )
 {
   QPtrList<Event> el = rawEventsForDate(date,sorted);
   mFilter->apply(&el);
   return el;
 }
 
 QPtrList<Event> Calendar::events( const QDateTime &qdt )
 {
   QPtrList<Event> el = rawEventsForDate(qdt);
   mFilter->apply(&el);
   return el;
 }
 
 QPtrList<Event> Calendar::events( const QDate &start, const QDate &end,
                                   bool inclusive)
 {
   QPtrList<Event> el = rawEvents(start,end,inclusive);
   mFilter->apply(&el);
   return el;
 }
 
 QPtrList<Event> Calendar::events()
 {
   QPtrList<Event> el = rawEvents();
   mFilter->apply(&el);
   return el;
 }
 void Calendar::addIncidenceBranch(Incidence *i)
 {
     addIncidence( i );
     Incidence * inc;
     QPtrList<Incidence> Relations = i->relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
        addIncidenceBranch( inc );
     } 
 }
 
 bool Calendar::addIncidence(Incidence *i)
 {
   Incidence::AddVisitor<Calendar> v(this);
 
   return i->accept(v);
 }
 void Calendar::deleteIncidence(Incidence *in)
 {
-    if ( in->type() == "Event" )
+    if ( in->typeID() == eventID )
         deleteEvent( (Event*) in );
-    else if ( in->type() =="Todo" )
+    else if ( in->typeID() == todoID )
         deleteTodo( (Todo*) in);
-    else if ( in->type() =="Journal" )
+    else if ( in->typeID() == journalID )
         deleteJournal( (Journal*) in );
 }
 
 Incidence* Calendar::incidence( const QString& uid )
 {
   Incidence* i;
 
   if( (i = todo( uid )) != 0 )
     return i;
   if( (i = event( uid )) != 0 )
     return i;
   if( (i = journal( uid )) != 0 )
       return i;
 
   return 0;
 }
 
 QPtrList<Todo> Calendar::todos()
 {
   QPtrList<Todo> tl = rawTodos();
   mFilter->apply( &tl );
   return tl;
 }
 
 // When this is called, the todo have already been added to the calendar.
 // This method is only about linking related todos
 void Calendar::setupRelations( Incidence *incidence )
 {
   QString uid = incidence->uid();
   //qDebug("Calendar::setupRelations ");
   // First, go over the list of orphans and see if this is their parent
   while( Incidence* i = mOrphans[ uid ] ) {
     mOrphans.remove( uid );
     i->setRelatedTo( incidence );
     incidence->addRelation( i );
     mOrphanUids.remove( i->uid() );
   }
 
   // Now see about this incidences parent
   if( !incidence->relatedTo() && !incidence->relatedToUid().isEmpty() ) {
     // This incidence has a uid it is related to, but is not registered to it yet
     // Try to find it
     Incidence* parent = this->incidence( incidence->relatedToUid() );
     if( parent ) {
       // Found it
       incidence->setRelatedTo( parent );
       parent->addRelation( incidence );
     } else {
       // Not found, put this in the mOrphans list
       mOrphans.insert( incidence->relatedToUid(), incidence );
       mOrphanUids.insert( incidence->uid(), incidence );
     }
   }
 }
 
 // If a task with subtasks is deleted, move it's subtasks to the orphans list
 void Calendar::removeRelations( Incidence *incidence )
 {
     // qDebug("Calendar::removeRelations ");
   QString uid = incidence->uid();
 
   QPtrList<Incidence> relations = incidence->relations();
   for( Incidence* i = relations.first(); i; i = relations.next() )
     if( !mOrphanUids.find( i->uid() ) ) {
       mOrphans.insert( uid, i );
       mOrphanUids.insert( i->uid(), i );
       i->setRelatedTo( 0 );
       i->setRelatedToUid( uid );
     }
 
   // If this incidence is related to something else, tell that about it
   if( incidence->relatedTo() )
     incidence->relatedTo()->removeRelation( incidence );
 
   // Remove this one from the orphans list
   if( mOrphanUids.remove( uid ) )
     // This incidence is located in the orphans list - it should be removed
     if( !( incidence->relatedTo() != 0 && mOrphans.remove( incidence->relatedTo()->uid() ) ) ) {
       // Removing wasn't that easy
       for( QDictIterator<Incidence> it( mOrphans ); it.current(); ++it ) {
         if( it.current()->uid() == uid ) {
           mOrphans.remove( it.currentKey() );
           break;
         }
       }
     }
 }
 
 void Calendar::registerObserver( Observer *observer )
 {
   mObserver = observer;
   mNewObserver = true;
 }
 
 void Calendar::setModified( bool modified )
 {
diff --git a/libkcal/calendarlocal.cpp b/libkcal/calendarlocal.cpp
index bc76c0b..fe74052 100644
--- a/libkcal/calendarlocal.cpp
+++ b/libkcal/calendarlocal.cpp
@@ -365,224 +365,220 @@ void CalendarLocal::registerAlarm()
 {
     mLastAlarmNotificationString = getAlarmNotification();
     // qDebug("++ register Alarm %s %s",mNextAlarmDateTime.toString().latin1(), mLastAlarmNotificationString.latin1() );
     emit addAlarm ( mNextAlarmDateTime, mLastAlarmNotificationString );
 // #ifndef DESKTOP_VERSION
 //     AlarmServer::addAlarm ( mNextAlarmDateTime,"koalarm", mLastAlarmNotificationString.latin1() );
 // #endif     
 }
 void CalendarLocal::deRegisterAlarm()
 {
     if ( mLastAlarmNotificationString.isNull() )
         return;
     //qDebug("-- deregister Alarm %s ", mLastAlarmNotificationString.latin1() );
 
     emit removeAlarm ( mNextAlarmDateTime, mLastAlarmNotificationString );
     mNextAlarmEventDateTime = QDateTime();
 // #ifndef DESKTOP_VERSION
 //     AlarmServer::deleteAlarm (mNextAlarmDateTime ,"koalarm" ,mLastAlarmNotificationString.latin1() );
 // #endif     
 }
 
 QPtrList<Todo> CalendarLocal::todos( const QDate &date )
 {
   QPtrList<Todo> todos;
 
   Todo *todo;
   for ( todo = mTodoList.first(); todo; todo = mTodoList.next() ) {
     if ( todo->hasDueDate() && todo->dtDue().date() == date ) {
       todos.append( todo );
     }
   }
 
  filter()->apply( &todos );
   return todos;
 }
 void CalendarLocal::reInitAlarmSettings()
 {
     if ( !mNextAlarmIncidence  ) {
         nextAlarm( 1000 );
     }
     deRegisterAlarm();
     mNextAlarmIncidence = 0;
     checkAlarmForIncidence( 0, false );
     
 }
 
 
 
 QDateTime  CalendarLocal::nextAlarm( int daysTo )
 {
   QDateTime nextA = QDateTime::currentDateTime().addDays( daysTo );
     QDateTime start = QDateTime::currentDateTime().addSecs( 30 );
     QDateTime next;
     Event *e;
     bool ok;
     bool found = false;
     int offset;
     mNextAlarmIncidence = 0;
     for( e = mEventList.first(); e; e = mEventList.next() ) {
         next = e->getNextAlarmDateTime(& ok, &offset, QDateTime::currentDateTime() ) ;
         if ( ok ) {
             if (  next < nextA ) {
                 nextA = next;
                 found = true;
                 mNextSummary = e->summary();
                 mNextAlarmEventDateTime = next.addSecs(offset ) ; 
                 mNextAlarmIncidence = (Incidence *) e;
             }
         }
     }
     Todo *t;
     for( t = mTodoList.first(); t; t = mTodoList.next() ) {
         next = t->getNextAlarmDateTime(& ok, &offset, QDateTime::currentDateTime() ) ;
         if ( ok ) {
             if (  next < nextA ) {
                 nextA = next;
                 found = true;
                 mNextSummary = t->summary();
                 mNextAlarmEventDateTime = next.addSecs(offset ); 
                 mNextAlarmIncidence = (Incidence *) t;
             }
         }
     } 
     if ( mNextAlarmIncidence  ) {
         mNextAlarmEventDateTimeString = KGlobal::locale()->formatDateTime(mNextAlarmEventDateTime);
         mNextAlarmDateTime = nextA;
     }
     return nextA;
 }
 Alarm::List CalendarLocal::alarmsTo( const QDateTime &to )
 {
   return alarms( QDateTime( QDate( 1900, 1, 1 ) ), to );
 }
 
 Alarm::List CalendarLocal::alarms( const QDateTime &from, const QDateTime &to )
 {
-  kdDebug(5800) << "CalendarLocal::alarms(" << from.toString() << " - "
-                << to.toString() << ")\n";
-
+ 
   Alarm::List alarms;
 
   Event *e;
 
   for( e = mEventList.first(); e; e = mEventList.next() ) {
     if ( e->doesRecur() ) appendRecurringAlarms( alarms, e, from, to );
     else appendAlarms( alarms, e, from, to );
   }
 
   Todo *t;
   for( t = mTodoList.first(); t; t = mTodoList.next() ) {
     appendAlarms( alarms, t, from, to );
   }
 
   return alarms;
 }
 
 void CalendarLocal::appendAlarms( Alarm::List &alarms, Incidence *incidence,
                                   const QDateTime &from, const QDateTime &to )
 {
   QPtrList<Alarm> alarmList = incidence->alarms();
   Alarm *alarm;
   for( alarm = alarmList.first(); alarm; alarm = alarmList.next() ) {
 //    kdDebug(5800) << "CalendarLocal::appendAlarms() '" << alarm->text()
 //                  << "': " << alarm->time().toString() << " - " << alarm->enabled() << endl;
     if ( alarm->enabled() ) {
       if ( alarm->time() >= from && alarm->time() <= to ) {
-        kdDebug(5800) << "CalendarLocal::appendAlarms() '" << incidence->summary()
-                      << "': " << alarm->time().toString() << endl;
         alarms.append( alarm );
       }
     }
   }
 }
 
 void CalendarLocal::appendRecurringAlarms( Alarm::List &alarms,
                                            Incidence *incidence,
                                            const QDateTime &from,
                                            const QDateTime &to )
 {
  
   QPtrList<Alarm> alarmList = incidence->alarms();
   Alarm *alarm;
   QDateTime qdt;
   for( alarm = alarmList.first(); alarm; alarm = alarmList.next() ) {
     if (incidence->recursOn(from.date())) {
       qdt.setTime(alarm->time().time());
       qdt.setDate(from.date());
     }
     else qdt = alarm->time();
     // qDebug("1 %s %s %s", qdt.toString().latin1(),  from.toString().latin1(), to.toString().latin1());
     if ( alarm->enabled() ) {
       if ( qdt >= from && qdt <= to ) {
         alarms.append( alarm );
       }
     }
   }
 }
 
 
 /****************************** PROTECTED METHODS ****************************/
 
 // after changes are made to an event, this should be called.
 void CalendarLocal::update( IncidenceBase *incidence )
 {
   incidence->setSyncStatus( Event::SYNCMOD );
   incidence->setLastModified( QDateTime::currentDateTime() );
   // we should probably update the revision number here,
   // or internally in the Event itself when certain things change.
   // need to verify with ical documentation.
 
   setModified( true );
 }
 
 void CalendarLocal::insertEvent( Event *event )
 {
   if ( mEventList.findRef( event ) < 0 ) mEventList.append( event );
 }
 
 
 QPtrList<Event> CalendarLocal::rawEventsForDate( const QDate &qd, bool sorted )
 {
   QPtrList<Event> eventList;
 
   Event *event;
   for( event = mEventList.first(); event; event = mEventList.next() ) {
     if ( event->doesRecur() ) {
       if ( event->isMultiDay() ) {
         int extraDays = event->dtStart().date().daysTo( event->dtEnd().date() );
         int i;
         for ( i = 0; i <= extraDays; i++ ) {
             if ( event->recursOn( qd.addDays( -i ) ) ) {
                 eventList.append( event );
                 break;
             }
         }
       } else {
         if ( event->recursOn( qd ) )
           eventList.append( event );
       }
     } else {
       if ( event->dtStart().date() <= qd && event->dtEnd().date() >= qd ) {
         eventList.append( event );
       }
     }
   }
 
   if ( !sorted ) {
     return eventList;
   }
 
   //  kdDebug(5800) << "Sorting events for date\n" << endl;
   // now, we have to sort it based on dtStart.time()
   QPtrList<Event> eventListSorted;
   Event *sortEvent;
   for ( event = eventList.first(); event; event = eventList.next() ) {
     sortEvent = eventListSorted.first();
     int i = 0;
     while ( sortEvent && event->dtStart().time()>=sortEvent->dtStart().time() )
     {
       i++;
       sortEvent = eventListSorted.next();
     }
     eventListSorted.insert( i, event );
   }
diff --git a/libkcal/calfilter.cpp b/libkcal/calfilter.cpp
index c425dfc..20078a7 100644
--- a/libkcal/calfilter.cpp
+++ b/libkcal/calfilter.cpp
@@ -1,181 +1,181 @@
 /*
     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 <kdebug.h>
 
 #include "calfilter.h"
 
 using namespace KCal;
 
 CalFilter::CalFilter()
 {
   mEnabled = true;
   mCriteria = ShowPublic | ShowPrivate| ShowConfidential ;
 }
 
 CalFilter::CalFilter(const QString &name)
 {
   mName = name; 
   mEnabled = true;
   mCriteria = ShowPublic | ShowPrivate| ShowConfidential ;
 }
 
 CalFilter::~CalFilter()
 {
 }
 
 void CalFilter::apply(QPtrList<Event> *eventlist)
 {
   if (!mEnabled) return;
 
 //  kdDebug(5800) << "CalFilter::apply()" << endl;
 
   Event *event = eventlist->first();
   while(event) {
     if (!filterEvent(event)) {
       eventlist->remove();
       event = eventlist->current();
     } else {
       event = eventlist->next();
     }
   }
 
 //  kdDebug(5800) << "CalFilter::apply() done" << endl;
 }
 
 // TODO: avoid duplicating apply() code
 void CalFilter::apply(QPtrList<Todo> *eventlist)
 {
   if (!mEnabled) return;
   Todo *event = eventlist->first();
   while(event) {
     if (!filterTodo(event)) {
       eventlist->remove();
       event = eventlist->current();
     } else {
       event = eventlist->next();
     }
   }
 
 //  kdDebug(5800) << "CalFilter::apply() done" << endl;
 }
 bool CalFilter::filterCalendarItem(Incidence *in)
 {
-    if ( in->type() == "Event" )
+    if ( in->typeID() == eventID )
         return filterEvent( (Event*) in );
-    else if ( in->type() =="Todo" )
+    else if ( in->typeID() == todoID )
         return filterTodo( (Todo*) in);
-    else if ( in->type() =="Journal" )
+    else if ( in->typeID () == journalID )
         return filterJournal( (Journal*) in );
     return false;
 }
 bool CalFilter::filterEvent(Event *event)
 {
     if (mCriteria & HideEvents) 
         return false;
   if (mCriteria & HideRecurring) {
     if (event->recurrence()->doesRecur()) return false;
   }
 
   return filterIncidence(event);
 }
 bool CalFilter::filterJournal(Journal *j)
 {
   if (mCriteria & HideJournals) 
         return false;
   return true;
 }
 bool CalFilter::filterTodo(Todo *todo)
 {
   if (mCriteria & HideTodos) 
         return false;
   if (mCriteria & HideCompleted) {
     if (todo->isCompleted()) return false;
   }
 
   return filterIncidence(todo);
 }
 bool CalFilter::showCategories()
 {
     return mCriteria & ShowCategories;
 }
 int  CalFilter::getSecrecy()
 {
     if ( (mCriteria & ShowPublic ))
         return Incidence::SecrecyPublic;
     if ( (mCriteria & ShowPrivate ))
         return Incidence::SecrecyPrivate;
     if ( (mCriteria & ShowConfidential ))
         return Incidence::SecrecyConfidential;
     return Incidence::SecrecyPublic;
 }
 bool CalFilter::filterIncidence(Incidence *incidence)
 {
     if ( mCriteria > 7 ) {
     switch (incidence->secrecy()) {
     case Incidence::SecrecyPublic: 
         if (! (mCriteria & ShowPublic ))
             return false;
                 break;
     case Incidence::SecrecyPrivate:
         if (! (mCriteria & ShowPrivate ))
             return false;
         break;
     case Incidence::SecrecyConfidential:
         if (! (mCriteria & ShowConfidential ))
             return false;
         break;
     default:
         return false;
         break;
     }
     }
 
     //  kdDebug(5800) << "CalFilter::filterEvent(): " << event->getSummary() << endl;
 
   if (mCriteria & ShowCategories) {
     for (QStringList::Iterator it = mCategoryList.begin();
          it != mCategoryList.end(); ++it ) {
       QStringList incidenceCategories = incidence->categories();
       for (QStringList::Iterator it2 = incidenceCategories.begin();
            it2 != incidenceCategories.end(); ++it2 ) {
         if ((*it) == (*it2)) {
           return true;
         }
       }
     }
     return false;
   } else {
     for (QStringList::Iterator it = mCategoryList.begin();
          it != mCategoryList.end(); ++it ) {
       QStringList incidenceCategories = incidence->categories();
       for (QStringList::Iterator it2 = incidenceCategories.begin();
            it2 != incidenceCategories.end(); ++it2 ) {
         if ((*it) == (*it2)) {
           return false;
         }
       }
     }
     return true;
   }
     
 //  kdDebug(5800) << "CalFilter::filterEvent(): passed" << endl;
   
   return true;
diff --git a/libkcal/event.h b/libkcal/event.h
index 8729956..287d403 100644
--- a/libkcal/event.h
+++ b/libkcal/event.h
@@ -1,90 +1,91 @@
 /*
     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 EVENT_H
 #define EVENT_H
 //
 // Event component, representing a VEVENT object
 //
 
 #include "incidence.h"
 namespace KCal {
 
 /**
   This class provides an Event in the sense of RFC2445.
 */
 class Event : public Incidence
 {
   public:
     enum Transparency { Opaque, Transparent };
     typedef ListBase<Event> List;
     Event();
     Event(const Event &);
     ~Event();
 
     QCString type() const { return "Event"; }
+    IncTypeID typeID() const { return eventID; }
 
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset ,QDateTime start_dt  ) const;
 
     /** for setting an event's ending date/time with a QDateTime. */
     void setDtEnd(const QDateTime &dtEnd);
     /** Return the event's ending date/time as a QDateTime. */
     virtual QDateTime dtEnd() const;
     /** returns an event's end time as a string formatted according to the
      users locale settings */
     QString dtEndTimeStr() const;
     /** returns an event's end date as a string formatted according to the
      users locale settings */
     QString dtEndDateStr(bool shortfmt=true) const;
     /** returns an event's end date and time as a string formatted according
      to the users locale settings */
     QString dtEndStr(bool shortfmt=true) const;
     void setHasEndDate(bool);
     /** Return whether the event has an end date/time. */
     bool hasEndDate() const;
 
     /** Return true if the event spans multiple days, otherwise return false. */
     bool isMultiDay() const;
 
     /** set the event's time transparency level. */
     void setTransparency(Transparency transparency);
     /** get the event's time transparency level. */
     Transparency transparency() const;
 
     void setDuration(int seconds);
 
     bool contains ( Event*);
 
   private:
     bool accept(Visitor &v) { return v.visit(this); }
 
     QDateTime mDtEnd;
     bool mHasEndDate;
     Transparency mTransparency;
 };
 
 bool operator==( const Event&, const Event& );
 
 
 }
 
 
 #endif
diff --git a/libkcal/freebusy.h b/libkcal/freebusy.h
index 054feda..d741c72 100644
--- a/libkcal/freebusy.h
+++ b/libkcal/freebusy.h
@@ -1,72 +1,73 @@
 /*
     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_FREEBUSY_H
 #define KCAL_FREEBUSY_H
 //
 // FreeBusy - information about free/busy times
 //
 
 #include <qdatetime.h>
 #include <qvaluelist.h>
 #include <qptrlist.h>
 
 #include "period.h"
 #include "calendar.h"
 
 #include "incidencebase.h"
 
 namespace KCal {
 
 /**
   This class provides information about free/busy time of a calendar user.
 */
 class FreeBusy : public IncidenceBase
 {
   public:
     FreeBusy();
     FreeBusy(const QDateTime &start, const QDateTime &end);
     FreeBusy(Calendar *calendar, const QDateTime &start, const QDateTime &end);
     FreeBusy(QValueList<Period> busyPeriods);
 
     ~FreeBusy();
     
     QCString type() const { return "FreeBusy"; }
+    IncTypeID typeID() const { return freebusyID; }
 
     virtual QDateTime dtEnd() const;
     bool setDtEnd( const QDateTime &end );
 
     QValueList<Period> busyPeriods() const;
 
     void addPeriod(const QDateTime &start, const QDateTime &end);
     void sortList();
     
   private:
 
     //This is used for creating a freebusy object for the current user
     bool addLocalPeriod(const QDateTime &start, const QDateTime &end);
 
     QDateTime mDtEnd;
     QValueList<Period> mBusyPeriods;
     Calendar *mCalendar;
 };
 
 }
 
 #endif
diff --git a/libkcal/icalformat.cpp b/libkcal/icalformat.cpp
index 3a2aac6..d9fe40b 100644
--- a/libkcal/icalformat.cpp
+++ b/libkcal/icalformat.cpp
@@ -291,170 +291,170 @@ QString ICalFormat::createScheduleMessage(IncidenceBase *incidence,
 }
 
 ScheduleMessage *ICalFormat::parseScheduleMessage( Calendar *cal,
                                                    const QString &messageText )
 {
   setTimeZone( cal->timeZoneId(), !cal->isLocalTime() );
   clearException();
 
   if (messageText.isEmpty()) return 0;
 
   icalcomponent *message;
   message = icalparser_parse_string(messageText.local8Bit());
 
   if (!message) return 0;
 
   icalproperty *m = icalcomponent_get_first_property(message,
                                                      ICAL_METHOD_PROPERTY);
 
   if (!m) return 0;
 
   icalcomponent *c;
 
   IncidenceBase *incidence = 0;
   c = icalcomponent_get_first_component(message,ICAL_VEVENT_COMPONENT);
   if (c) {
     incidence = mImpl->readEvent(c);
   }
 
   if (!incidence) {
     c = icalcomponent_get_first_component(message,ICAL_VTODO_COMPONENT);
     if (c) {
       incidence = mImpl->readTodo(c);
     }
   }
 
   if (!incidence) {
     c = icalcomponent_get_first_component(message,ICAL_VFREEBUSY_COMPONENT);
     if (c) {
       incidence = mImpl->readFreeBusy(c);
     }
   }
 
   if (!incidence) {
     kdDebug() << "ICalFormat:parseScheduleMessage: object is not a freebusy, event or todo" << endl;
     return 0;
   }
 
   kdDebug(5800) << "ICalFormat::parseScheduleMessage() getting method..." << endl;
 
   icalproperty_method icalmethod = icalproperty_get_method(m);
   Scheduler::Method method;
 
   switch (icalmethod) {
     case ICAL_METHOD_PUBLISH:
       method = Scheduler::Publish;
       break;
     case ICAL_METHOD_REQUEST:
       method = Scheduler::Request;
       break;
     case ICAL_METHOD_REFRESH:
       method = Scheduler::Refresh;
       break;
     case ICAL_METHOD_CANCEL:
       method = Scheduler::Cancel;
       break;
     case ICAL_METHOD_ADD:
       method = Scheduler::Add;
       break;
     case ICAL_METHOD_REPLY:
       method = Scheduler::Reply;
       break;
     case ICAL_METHOD_COUNTER:
       method = Scheduler::Counter;
       break;
     case ICAL_METHOD_DECLINECOUNTER:
       method = Scheduler::Declinecounter;
       break;
     default:
       method = Scheduler::NoMethod;
       kdDebug(5800) << "ICalFormat::parseScheduleMessage(): Unknow method" << endl;
       break;
   }
 
 
   if (!icalrestriction_check(message)) {
     setException(new ErrorFormat(ErrorFormat::Restriction,
                                    Scheduler::translatedMethodName(method) + ": " +
                                    mImpl->extractErrorProperty(c)));
     return 0;
   }
 
   icalcomponent *calendarComponent = mImpl->createCalendarComponent(cal);
 
   Incidence *existingIncidence = cal->event(incidence->uid());
   if (existingIncidence) {
     // TODO: check, if cast is required, or if it can be done by virtual funcs.
-    if (existingIncidence->type() == "Todo") {
+    if (existingIncidence->typeID() == todoID ) {
       Todo *todo = static_cast<Todo *>(existingIncidence);
       icalcomponent_add_component(calendarComponent,
                                   mImpl->writeTodo(todo));
     }
-    if (existingIncidence->type() == "Event") {
+    if (existingIncidence->typeID() == eventID ) {
       Event *event = static_cast<Event *>(existingIncidence);
       icalcomponent_add_component(calendarComponent,
                                   mImpl->writeEvent(event));
     }
   } else {
     calendarComponent = 0;
   }
   qDebug("icalclassify commented out ");
   ScheduleMessage::Status status;
 #if 0
 
   icalclass result = icalclassify(message,calendarComponent,(char *)"");
 
 
 
   switch (result) {
     case ICAL_PUBLISH_NEW_CLASS:
       status = ScheduleMessage::PublishNew;
       break;
     case ICAL_OBSOLETE_CLASS:
       status = ScheduleMessage::Obsolete;
       break;
     case ICAL_REQUEST_NEW_CLASS:
       status = ScheduleMessage::RequestNew;
       break;
     case ICAL_REQUEST_UPDATE_CLASS:
       status = ScheduleMessage::RequestUpdate;
       break;
     case ICAL_UNKNOWN_CLASS:
     default:
       status = ScheduleMessage::Unknown;
       break;
   }
 #endif
   status = ScheduleMessage::RequestUpdate;
   return new ScheduleMessage(incidence,method,status);
 }
 
 void ICalFormat::setTimeZone( const QString &id, bool utc )
 {
 
 
     mTimeZoneId = id;
     mUtc = utc;
 
     tzOffsetMin  = KGlobal::locale()->timezoneOffset(mTimeZoneId);
   
     //qDebug("ICalFormat::setTimeZoneOffset %s %d ",mTimeZoneId.latin1(),  tzOffsetMin);
 }
 
 QString ICalFormat::timeZoneId() const
 {
   return mTimeZoneId;
 }
 
 bool ICalFormat::utc() const
 {
   return mUtc;
 }
 int ICalFormat::timeOffset()
 {
     return tzOffsetMin;
 }
 const char *ICalFormat::tzString()
 {
     const char*  ret = (const char* ) mTzString;
     return ret;
 }
diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index 2405682..3e28714 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -2062,111 +2062,111 @@ QString ICalFormatImpl::extractErrorProperty(icalcomponent *c)
 
   icalproperty *error;
   error = icalcomponent_get_first_property(c,ICAL_XLICERROR_PROPERTY);
   while(error) {
     errorMessage += icalproperty_get_xlicerror(error);
     errorMessage += "\n";
     error = icalcomponent_get_next_property(c,ICAL_XLICERROR_PROPERTY);
   }
 
 //  kdDebug(5800) << "ICalFormatImpl:extractErrorProperty: " << errorMessage << endl;
 
   return errorMessage;
 }
 
 void ICalFormatImpl::dumpIcalRecurrence(icalrecurrencetype r)
 {
   int i;
 
  
   if (r.by_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
     int index = 0;
     QString out = " By Day: ";
     while((i = r.by_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
       out.append(QString::number(i) + " ");
     }
   }
   if (r.by_month_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
     int index = 0;
     QString out = " By Month Day: ";
     while((i = r.by_month_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
       out.append(QString::number(i) + " ");
     }
   }
   if (r.by_year_day[0] != ICAL_RECURRENCE_ARRAY_MAX) {
     int index = 0;
     QString out = " By Year Day: ";
     while((i = r.by_year_day[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
       out.append(QString::number(i) + " ");
     }
   }
   if (r.by_month[0] != ICAL_RECURRENCE_ARRAY_MAX) {
     int index = 0;
     QString out = " By Month: ";
     while((i = r.by_month[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
       out.append(QString::number(i) + " ");
     }
   }
   if (r.by_set_pos[0] != ICAL_RECURRENCE_ARRAY_MAX) {
     int index = 0;
     QString out = " By Set Pos: ";
     while((i = r.by_set_pos[index++]) != ICAL_RECURRENCE_ARRAY_MAX) {
       out.append(QString::number(i) + " ");
     }
   }
 }
 
 icalcomponent *ICalFormatImpl::createScheduleComponent(IncidenceBase *incidence,
                                                    Scheduler::Method method)
 {
   icalcomponent *message = createCalendarComponent();
 
   icalproperty_method icalmethod = ICAL_METHOD_NONE;
 
   switch (method) {
     case Scheduler::Publish:
       icalmethod = ICAL_METHOD_PUBLISH;
       break;
     case Scheduler::Request:
       icalmethod = ICAL_METHOD_REQUEST;
       break;
     case Scheduler::Refresh:
       icalmethod = ICAL_METHOD_REFRESH;
       break;
     case Scheduler::Cancel:
       icalmethod = ICAL_METHOD_CANCEL;
       break;
     case Scheduler::Add:
       icalmethod = ICAL_METHOD_ADD;
       break;
     case Scheduler::Reply:
       icalmethod = ICAL_METHOD_REPLY;
       break;
     case Scheduler::Counter:
       icalmethod = ICAL_METHOD_COUNTER;
       break;
     case Scheduler::Declinecounter:
       icalmethod = ICAL_METHOD_DECLINECOUNTER;
       break;
     default:
       
       return message;
   }
 
   icalcomponent_add_property(message,icalproperty_new_method(icalmethod));
 
   // TODO: check, if dynamic cast is required
-  if(incidence->type() == "Todo") {
+  if(incidence->typeID() == todoID ) {
     Todo *todo = static_cast<Todo *>(incidence);
     icalcomponent_add_component(message,writeTodo(todo));
   }
-  if(incidence->type() == "Event") {
+  if(incidence->typeID() == eventID ) {
     Event *event = static_cast<Event *>(incidence);
     icalcomponent_add_component(message,writeEvent(event));
   }
-  if(incidence->type() == "FreeBusy") {
+  if(incidence->typeID() == freebusyID) {
     FreeBusy *freebusy = static_cast<FreeBusy *>(incidence);
     icalcomponent_add_component(message,writeFreeBusy(freebusy, method));
   }
 
   return message;
 }
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index 762103f..f446197 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -143,193 +143,193 @@ void Incidence::setCancelled( bool 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();
-        if ( type() == "Event") {
+        if ( typeID() == eventID ) {
             int len = dtStart().secsTo( ((Event*)this)->dtEnd());
             QTime tim = dtStart().time();
             newInc->setDtStart( QDateTime(d, tim) );
             ((Event*)newInc)->setDtEnd( newInc->dtStart().addSecs( len ) );
         } else {
             int len = dtStart().secsTo( ((Todo*)this)->dtDue());
             QTime tim = ((Todo*)this)->dtDue().time();
             ((Todo*)newInc)->setDtDue( QDateTime(d, tim) );
             ((Todo*)newInc)->setDtStart( ((Todo*)newInc)->dtDue().addSecs( -len ) );
             ((Todo*)this)->setRecurDates();
         }
         newInc->setExDates( DateList () );
     }
     return newInc;
 }
 
 void Incidence::recreate()
 {
   setCreated(QDateTime::currentDateTime());
 
   setUid(CalFormat::createUniqueId());
 
   setRevision(0);
   setIDStr( ":" );
   setLastModified(QDateTime::currentDateTime());
 }
 void Incidence::cloneRelations( Incidence * newInc )
 {
     // newInc is already a clone of this incidence
     Incidence * inc;
     Incidence * cloneInc;
     QPtrList<Incidence> Relations = relations();
     for (inc=Relations.first();inc;inc=Relations.next()) {
         cloneInc = inc->clone();
         cloneInc->recreate();
         cloneInc->setRelatedTo( newInc );
         inc->cloneRelations( cloneInc );
     } 
 }
 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();
 }
@@ -631,114 +631,114 @@ Alarm* Incidence::newAlarm()
 {
   Alarm* alarm = new Alarm(this);
   mAlarms.append(alarm);
 //  updated();
   return alarm;
 }
 
 void Incidence::addAlarm(Alarm *alarm)
 {
   mAlarms.append(alarm);
   updated();
 }
 
 void Incidence::removeAlarm(Alarm *alarm)
 {
   mAlarms.removeRef(alarm);
   updated();
 }
 
 void Incidence::clearAlarms()
 {
   mAlarms.clear();
   updated();
 }
 
 bool Incidence::isAlarmEnabled() const
 {
   Alarm* alarm;
   for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
     if (alarm->enabled())
       return true;
   }
   return false;
 }
 
 Recurrence *Incidence::recurrence() const
 {
   return mRecurrence;
 }
 void Incidence::setRecurrence( Recurrence * r) 
 {
   delete mRecurrence;
   mRecurrence = r;
 }
 
 void Incidence::setLocation(const QString &location)
 {
   if (mReadOnly) return;
   mLocation = location;
   updated();
 }
 
 QString Incidence::location() const
 {
   return mLocation;
 }
 
 ushort Incidence::doesRecur() const
 {
   if ( mRecurrence ) return mRecurrence->doesRecur();
   else return Recurrence::rNone;
 }
 
 QDateTime Incidence::getNextOccurence( const QDateTime& dt, bool* ok ) const
 {
     QDateTime incidenceStart = dt;
     *ok = false;
     if ( doesRecur() ) {
         bool last;
          recurrence()->getPreviousDateTime( incidenceStart , &last );
          int count = 0;
          if ( !last ) {
              while ( !last ) {
                  ++count;
                  incidenceStart = recurrence()->getNextDateTime( incidenceStart, &last );
                  if ( recursOn( incidenceStart.date() ) ) {
                      last = true; // exit while llop
                  } else {
                      if ( last ) { // no alarm on last recurrence
                          return QDateTime ();
                      }
                      int year = incidenceStart.date().year();
                      // workaround for bug in recurrence
                      if ( count == 100 || year < 1000 || year > 5000 ) {
                          return QDateTime ();
                      }
                      incidenceStart = incidenceStart.addSecs( 1 );
                  }
              }
          } else {
              return QDateTime ();
          }
     } else {
         if ( hasStartDate () ) {
             incidenceStart = dtStart(); 
         }
-        if ( type() =="Todo" ) {
+        if ( typeID() == todoID ) {
             if ( ((Todo*)this)->hasDueDate() )
                 incidenceStart = ((Todo*)this)->dtDue();
         }
     }
     if ( incidenceStart > dt )
         *ok = true;
     return incidenceStart;
 }
 QDateTime Incidence::dtStart() const
 {
     if ( doesRecur() ) {
-        if ( type() == "Todo" ) {
+        if ( typeID() == todoID ) {
             ((Todo*)this)->checkSetCompletedFalse();
         }
     }
     return mDtStart;
 }
diff --git a/libkcal/incidencebase.h b/libkcal/incidencebase.h
index 8624786..05209e0 100644
--- a/libkcal/incidencebase.h
+++ b/libkcal/incidencebase.h
@@ -1,149 +1,151 @@
 /*
     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;
+ enum IncTypeID { eventID,todoID,journalID,freebusyID };
 
 /**
   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;
+    virtual  IncTypeID typeID() 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. */
     virtual 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.
     */
     bool 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 setTempSyncStat(int id);
     int tempSyncStat() const;
     void setIDStr( const QString & );
     QString IDStr() const;
     void setID( const QString &, const QString & );
     QString  getID( const QString & );
     void setCsum( const QString &, const QString & );
     QString getCsum( const QString & );
     void removeID(const QString &);
 
     void registerObserver( Observer * );
     void unRegisterObserver( Observer * );
     void updated();
 
   protected:
     QDateTime mDtStart;
     bool mReadOnly;
     QDateTime getEvenTime( QDateTime );
 
   private:
     // base components
diff --git a/libkcal/journal.h b/libkcal/journal.h
index 2c1d7ea..1cd0a22 100644
--- a/libkcal/journal.h
+++ b/libkcal/journal.h
@@ -1,50 +1,51 @@
 /*
     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 JOURNAL_H
 #define JOURNAL_H
 //
 // Journal component, representing a VJOURNAL object
 //
 
 #include "incidence.h"
 
 namespace KCal {
 
 /**
   This class provides a Journal in the sense of RFC2445.
 */
 class Journal : public Incidence
 {
   public:
     Journal();
     ~Journal();
 
     QCString type() const { return "Journal"; }
+    IncTypeID typeID() const { return journalID; }
     
     Incidence *clone();  
     QDateTime getNextAlarmDateTime( bool * ok, int * offset ,QDateTime start_dt ) const;
 private:
     bool accept(Visitor &v) { return v.visit(this); }
 };
 
     bool operator==( const Journal&, const Journal& );
 }
 
 #endif
diff --git a/libkcal/kincidenceformatter.cpp b/libkcal/kincidenceformatter.cpp
index 7d61b7f..d1ace4f 100644
--- a/libkcal/kincidenceformatter.cpp
+++ b/libkcal/kincidenceformatter.cpp
@@ -1,122 +1,122 @@
 #include "kincidenceformatter.h"
 #include <kstaticdeleter.h>
 #include <kglobal.h>
 #include <klocale.h>
 #ifdef DEKTOP_VERSION
 #include <kabc/stdaddressbook.h>
 #define size count
 #endif
 
 KIncidenceFormatter* KIncidenceFormatter::mInstance = 0;
 static KStaticDeleter<KIncidenceFormatter> insd;
 
 QString KIncidenceFormatter::getFormattedText( Incidence * inc, bool details, bool created , bool modified  )
 {
 // #ifndef QT_NO_INPUTDIALOG
 //   return QInputDialog::getItem( caption, label, items, current, editable );
 // #else
 //   return QString::null;
 // #endif
     mDetails = details;
     mCreated = created ;
     mModified = modified;
     mText = "";
-    if ( inc->type() == "Event" )
+    if ( inc->typeID() == eventID )
         setEvent((Event *) inc );
-    else if ( inc->type() == "Todo" )
+    else if ( inc->typeID() == todoID )
         setTodo((Todo *) inc );
     return mText;
 }
 
 KIncidenceFormatter* KIncidenceFormatter::instance()
 {
     if (!mInstance) {
       mInstance = insd.setObject(new KIncidenceFormatter());
   }
   return mInstance;
 }
 KIncidenceFormatter::~KIncidenceFormatter()
 {
  if (mInstance == this)
       mInstance = insd.setObject(0); 
  //qDebug("KIncidenceFormatter::~KIncidenceFormatter ");
 }
 KIncidenceFormatter::KIncidenceFormatter()
 {
     mColorMode = 0;
 }
 void KIncidenceFormatter::setEvent(Event *event)
 {
     int mode = 0;
     mCurrentIncidence = event;
     bool shortDate = true;
     if ( mode == 0 ) {
         addTag("h3",deTag(event->summary()));
     }
     else {
         if ( mColorMode == 1 ) {
             mText +="<font color=\"#00A000\">";
         }
         if ( mColorMode == 2 ) {
             mText +="<font color=\"#C00000\">";
         }
         // mText +="<font color=\"#F00000\">" + i18n("O-due!") + "</font>";
         if ( mode == 1 ) {
             addTag("h2",i18n( "Local: " ) +deTag(event->summary()));
         } else {
             addTag("h2",i18n( "Remote: " ) +deTag(event->summary()));
         } 
         addTag("h3",i18n( "Last modified: " ) + KGlobal::locale()->formatDateTime(event->lastModified(),shortDate, true ) );
         if ( mColorMode )
             mText += "</font>";
     } 
     if (event->cancelled ()) {
         mText +="<font color=\"#B00000\">";
         addTag("i",i18n("This event has been cancelled!"));
         mText.append("<br>");
         mText += "</font>";
     }
     if (event->doesFloat()) {
         if (event->isMultiDay()) {
             mText.append(i18n("<p><b>From:</b> %1 </p><p><b>To:</b> %2</p>")
                          .arg(event->dtStartDateStr(shortDate))
                          .arg(event->dtEndDateStr(shortDate)));
         } else {
             mText.append(i18n("<p><b>On:</b> %1</p>").arg(event->dtStartDateStr( shortDate )));
         }
     } else {
         if (event->isMultiDay()) {
             mText.append(i18n("<p><b>From:</b> %1</p> ")
                          .arg(event->dtStartStr( shortDate)));
             mText.append(i18n("<p><b>To:</b> %1</p>")
                          .arg(event->dtEndStr(shortDate)));
         } else {
             mText.append(i18n("<p><b>From:</b> %1 <b>To:</b> %2</p>")
                          .arg(event->dtStartTimeStr())
                          .arg(event->dtEndTimeStr()));
             mText.append(i18n("<p><b>On:</b> %1</p> ")
                          .arg(event->dtStartDateStr( shortDate )));
         }
     }
     if (!event->location().isEmpty()) {
         addTag("b",i18n("Location: "));
         mText.append(deTag(event->location())+"<br>");
     }
 
     if (event->recurrence()->doesRecur()) {
 
         QString recurText = event->recurrence()->recurrenceText();
         addTag("p","<em>" + i18n("This is a %1 recurring event.").arg(recurText ) + "</em>");
 
  bool ok;
         QDate start = QDate::currentDate();
         QDateTime next;
         next = event->getNextOccurence( QDateTime::currentDateTime() , &ok );
         if ( ok ) {
             addTag("p",i18n("<b>Next recurrence is on:</b>")  );
             addTag("p", KGlobal::locale()->formatDate( next.date(), shortDate ));
 
         } else {
             bool last;
             QDate nextd;
             nextd = event->recurrence()->getPreviousDate( QDate::currentDate() , &last );
diff --git a/libkcal/todo.cpp b/libkcal/todo.cpp
index 38ba2c7..c97a61e 100644
--- a/libkcal/todo.cpp
+++ b/libkcal/todo.cpp
@@ -37,193 +37,193 @@ Todo::Todo():  QObject(), Incidence()
 
   mHasDueDate = false;
   setHasStartDate( false );
   mCompleted = getEvenTime(QDateTime::currentDateTime());
   mHasCompletedDate = false;
   mPercentComplete = 0;
   mRunning = false;
   mRunSaveTimer = 0;
 }
 
 Todo::Todo(const Todo &t) : QObject(),Incidence(t)
 {
   mDtDue = t.mDtDue;
   mHasDueDate = t.mHasDueDate;
   mCompleted = t.mCompleted;
   mHasCompletedDate = t.mHasCompletedDate;
   mPercentComplete = t.mPercentComplete;
   mRunning = false;
   mRunSaveTimer = 0;
 }
 
 Todo::~Todo()
 {
     setRunning( false );
     //qDebug("Todo::~Todo() ");
 }
 
 void Todo::setRunningFalse( QString s )
 {
     if ( ! mRunning )
         return;
     mRunning = false;
     mRunSaveTimer->stop();
     saveRunningInfoToFile( s );
 }
 void Todo::setRunning( bool run )
 {
     if ( run == mRunning )
         return;
     //qDebug("Todo::setRunning %d ", run);
     if ( !mRunSaveTimer ) {
         mRunSaveTimer = new QTimer ( this );
         connect ( mRunSaveTimer, SIGNAL( timeout() ), this , SLOT ( saveRunningInfoToFile() ) );
     }
     mRunning = run;
     if ( mRunning ) {
         mRunSaveTimer->start( 1000  * 60 * 5 ); // 5 min
         mRunStart = QDateTime::currentDateTime();
     } else {
         mRunSaveTimer->stop();
         saveRunningInfoToFile();
     }
 }
 
 void Todo::saveRunningInfoToFile( QString comment )
 {
     //qDebug("Todo::saveRunningInfoToFile() %s", summary().latin1());
     if ( mRunStart.secsTo ( QDateTime::currentDateTime() ) < 30   ) {
         qDebug("Running time < 30 seconds. Skipped. ");
         return;
     }
     QString dir = KGlobalSettings::timeTrackerDir();
     //qDebug("%s ", dir.latin1());
     QString file = "%1%2%3-%4%5%6-";
     file = file.arg( mRunStart.date().year(), 4).arg( mRunStart.date().month(),2 ).arg( mRunStart.date().day(), 2 ).arg( mRunStart.time().hour(),2  ).arg( mRunStart.time().minute(),2 ).arg( mRunStart.time().second(),2 );
     file.replace ( QRegExp (" "), "0" ); 
     file += uid();
     //qDebug("File %s ",file.latin1() );
     CalendarLocal cal;
     cal.setLocalTime();
     Todo  * to = (Todo*) clone();
     to->setFloats( false );
     to->setDtStart( mRunStart );
     to->setHasStartDate( true );
     to->setDtDue( QDateTime::currentDateTime() );
     to->setHasDueDate( true );
     to->setUid( file );
     if ( !comment.isEmpty() ) {
         QString des = to->description();
         if ( des.isEmpty () )
             to->setDescription( "TT-Note: " + comment );
         else
             to->setDescription( "TT-Note: " + comment +"\n" +  des );
     }
     cal.addIncidence( to );
     ICalFormat format;
     file = dir +"/" +file +".ics";
     format.save( &cal, file );
     saveParents();
     
 }
 void Todo::saveParents()
 {
     if (!relatedTo() )
         return;
     Incidence * inc = relatedTo();
-    if ( inc->type() != "Todo" )
+    if ( inc->typeID() != todoID )
         return;
     Todo* to = (Todo*)inc;
     bool saveTodo = false;
     QString file = KGlobalSettings::timeTrackerDir() + "/"+ to->uid() + ".ics";
     QFileInfo fi ( file );
     if ( fi.exists() ) {
         if ( fi.lastModified () < to->lastModified ())
             saveTodo = true;
     } else {
         saveTodo = true;
     }
     if ( saveTodo ) {
         CalendarLocal cal;
         cal.setLocalTime();
         Todo  * par = (Todo  *) to->clone();
         cal.addIncidence( par );
         ICalFormat format;
         format.save( &cal, file );
     } 
     to->saveParents();
 }
 
 int Todo::runTime()
 {
     if ( !mRunning )
         return 0;
     return  mRunStart.secsTo( QDateTime::currentDateTime() );
 }
 bool Todo::hasRunningSub()
 {
     if ( mRunning )
         return true;
     Incidence *aTodo;
     for (aTodo = mRelations.first(); aTodo; aTodo = mRelations.next()) {
         if ( ((Todo*)aTodo)->hasRunningSub() )
             return true;
     }
     return false;
 }
 Incidence *Todo::clone()
 {
   return new Todo(*this);
 }
 
 bool Todo::contains ( Todo* from )
 { 
 
     if ( !from->summary().isEmpty() )
         if (  !summary().startsWith(  from->summary() ))
             return false;
     if ( from->hasStartDate() ) {
         if ( !hasStartDate() )
             return false;
         if ( from->dtStart() != dtStart())
             return false;      
     }
     if ( from->hasDueDate() ){
         if ( !hasDueDate() )
             return false;
         if ( from->dtDue() != dtDue())
             return false;  
     }
     if ( !from->location().isEmpty() )
         if (  !location().startsWith( from->location() ) )
             return false;
     if ( !from->description().isEmpty() )
         if (  !description().startsWith(  from->description() ))
             return false;
      if ( from->alarms().count() ) {
         Alarm *a = from->alarms().first();
         if (  a->enabled()  ){
             if ( !alarms().count() )
                 return false;
             Alarm *b = alarms().first();
             if( ! b->enabled() )
                 return false;
             if ( ! (a->offset() == b->offset() ))
                 return false;
         }
     }
    
     QStringList cat = categories();
     QStringList catFrom = from->categories();
     QString nCat;
     unsigned int iii;
     for ( iii = 0; iii < catFrom.count();++iii ) {
         nCat = catFrom[iii];
         if ( !nCat.isEmpty() )
             if ( !cat.contains( nCat )) {
                 return false;
             }
     }
     if ( from->isCompleted() ) {
         if ( !isCompleted() )
             return false;
     }
@@ -471,110 +471,111 @@ void Todo::setCompleted(const QDateTime &completed)
   mHasCompletedDate = true;
   mPercentComplete = 100;
   mCompleted = getEvenTime(completed);
   updated();
 }
 
 bool Todo::hasCompletedDate() const
 {
   return mHasCompletedDate;
 }
 
 int Todo::percentComplete() const
 {
   return mPercentComplete;
 }
 bool Todo::setRecurDates()
 {
     if ( !mHasRecurrenceID )
         return true;
     int secs = mDtStart.secsTo( dtDue() );   
     bool ok;
     qDebug("T:setRecurDates() ");
     //qDebug("%s %s %s ",mDtStart.toString().latin1(), dtDue().toString().latin1(),mRecurrenceID.toString().latin1() );
     QDateTime next = getNextOccurence(  mRecurrenceID, &ok );
     if ( ok ) { 
         mRecurrenceID = next;
         mDtStart = next;
         setDtDue( next.addSecs( secs ) );
         if ( QDateTime::currentDateTime() > next) 
             return false;
     } else {
         setHasRecurrenceID( false );
         recurrence()->unsetRecurs();
     }
     return true;
 }
 void Todo::setPercentComplete(int v)
 { 
     if ( mHasRecurrenceID && v == 100 && mPercentComplete != 100 ) {
         if ( !setRecurDates() )
             v = 0;
     }
   mPercentComplete = v;
   if ( v != 100 )
       mHasCompletedDate = false;
   updated();
 }
 QDateTime Todo::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const
 {
     if ( isCompleted() || ! hasDueDate() || cancelled() ) {
          *ok = false;
          return QDateTime ();
      }
      QDateTime incidenceStart;
      incidenceStart = dtDue(); 
      bool enabled = false;
      Alarm* alarm;
      int off = 0;
      QDateTime alarmStart = QDateTime::currentDateTime().addDays( 3650 );;
     //  if ( QDateTime::currentDateTime() > incidenceStart ){
 //          *ok = false;
 //          return incidenceStart;
 //      }
      for (QPtrListIterator<Alarm> it(mAlarms); (alarm = it.current()) != 0; ++it) {
          if (alarm->enabled()) {
              if ( alarm->hasTime () ) {
                  if ( alarm->time() < alarmStart ) {
                      alarmStart = alarm->time();
                      enabled = true;
                      off = alarmStart.secsTo( incidenceStart );
                  }
 
              } else {
                  int secs = alarm->startOffset().asSeconds();
                  if ( incidenceStart.addSecs( secs ) < alarmStart ) {
                      alarmStart = incidenceStart.addSecs( secs );
                      enabled = true;
                      off = -secs;
                  }
              }
          }
      }
      if ( enabled ) {
          if ( alarmStart >  start_dt  ) {
              *ok = true;
              * offset = off;
              return alarmStart;
          }
      }
      *ok = false;
      return QDateTime ();
 
 }
 
 void Todo::checkSetCompletedFalse()
 {
-    if ( !hasRecurrenceID() ) {
+    if ( !mHasRecurrenceID ) {
         qDebug("ERROR 1 in Todo::checkSetCompletedFalse");
+        return;
     }
     // qDebug("Todo::checkSetCompletedFalse()");
     //qDebug("%s %s %s ",mDtStart.toString().latin1(), dtDue().toString().latin1(),mRecurrenceID.toString().latin1() );
     if ( mPercentComplete == 100 ) {
         QDateTime dt = QDateTime::currentDateTime();
         if ( dt > mDtStart && dt > mRecurrenceID ) {
             qDebug("start: %s --due: %s --recID: %s ",mDtStart.toString().latin1(), dtDue().toString().latin1(),mRecurrenceID.toString().latin1() );
             setCompleted( false );
             qDebug("Todo::checkSetCompletedFalse ");
         }
     }
 }
diff --git a/libkcal/todo.h b/libkcal/todo.h
index ab8fdf1..501c2ba 100644
--- a/libkcal/todo.h
+++ b/libkcal/todo.h
@@ -1,139 +1,140 @@
 /*
     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 TODO_H
 #define TODO_H
 //
 // Todo component, representing a VTODO object
 //
 
 #include "incidence.h"
 
 #include <qtimer.h>
 
 namespace KCal {
 
 /**
   This class provides a Todo in the sense of RFC2445.
 */
     class Todo : public QObject,public Incidence
 {
  Q_OBJECT
   public:
     Todo();
     Todo(const Todo &);
     ~Todo();
     typedef ListBase<Todo> List;
     QCString type() const { return "Todo"; }
+    IncTypeID typeID() const { return todoID; }
 
     /** Return an exact copy of this todo. */
     Incidence *clone();
     QDateTime getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const;
 
     /** for setting the todo's due date/time with a QDateTime. */
     void setDtDue(const QDateTime &dtDue);
     /** returns an event's Due date/time as a QDateTime. */
     QDateTime dtDue() const;
     /** returns an event's due time as a string formatted according to the
      users locale settings */
     QString dtDueTimeStr() const;
     /** returns an event's due date as a string formatted according to the
      users locale settings */
     QString dtDueDateStr(bool shortfmt=true) const;
     /** returns an event's due date and time as a string formatted according
      to the users locale settings */
     QString dtDueStr(bool shortfmt=true) const;
 
     /** returns TRUE or FALSE depending on whether the todo has a due date */
     bool hasDueDate() const;
     /** sets the event's hasDueDate value. */
     void setHasDueDate(bool f);
 
     /*
       Looks for a subtodo (including itself ) which is not complete and is
       - overdue, or
       - due today.
       It returns 0 for nothing found,
       1 for found a todo which is due today and no overdue found
       2 for found a overdue todo
     */
     int hasDueSubTodo( bool checkSubtodos = true );
     /* same as above, but a specific date can be specified*/
     int hasDueSubTodoForDate( const  QDate & date, bool checkSubtodos );
 
  
     /** sets the event's status to the string specified.  The string
      * must be a recognized value for the status field, i.e. a string
      * equivalent of the possible status enumerations previously described. */
 //    void setStatus(const QString &statStr);
     /** sets the event's status to the value specified.  See the enumeration
      * above for possible values. */
 //    void setStatus(int);
     /** return the event's status. */
 //    int status() const;
     /** return the event's status in string format. */
 //    QString statusStr() const;
 
     /** return, if this todo is completed */
     bool isCompleted() const;
     /** set completed state of this todo */
     void setCompleted(bool);
     
     /**
       Return how many percent of the task are completed. Returns a value
       between 0 and 100.
     */
     int percentComplete() const;
     /**
       Set how many percent of the task are completed. Valid values are in the
       range from 0 to 100.
     */
     void setPercentComplete(int);
 
     /** return date and time when todo was completed */
     QDateTime completed() const;
     QString completedStr(bool shortF = true) const;
     /** set date and time of completion */
     void setCompleted(const QDateTime &completed);
 
     /** Return true, if todo has a date associated with completion */
     bool hasCompletedDate() const;
     bool contains ( Todo*);
     void checkSetCompletedFalse();
     bool setRecurDates();
     bool isRunning() {return mRunning;}
     bool hasRunningSub();
     void setRunning( bool );
     void setRunningFalse( QString );
     int runTime();
     QDateTime runStart () const { return mRunStart;}
     public slots:
     void saveRunningInfoToFile( QString st = QString::null );
     void saveParents();
   private:
     bool mRunning;
     QTimer * mRunSaveTimer;
     QDateTime mRunStart;
     bool accept(Visitor &v) { return v.visit(this); }
 
     QDateTime mDtDue;                     // due date of todo
 
     bool mHasDueDate;                    // if todo has associated due date
 
 //    int  mStatus;                         // confirmed/delegated/tentative/etc