7 files changed, 67 insertions, 36 deletions

diff --git a/libkcal/event.cpp b/libkcal/event.cpp
index ad66639..0766fd9 100644
--- a/libkcal/event.cpp
+++ b/libkcal/event.cpp
@@ -172,8 +172,9 @@ void Event::setDuration(int seconds)
   Incidence::setDuration(seconds);
 }
 bool Event::matchTime(QDateTime*startDT, QDateTime* endDT)
 {
+    if ( cancelled() ) return false;
     if ( ! doesRecur() ) {
         if ( doesFloat() ) {
             if ( mDtEnd.addDays( 1 ) < *startDT)
                 return false;
diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index 4794bc9..f349681 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -371,20 +371,17 @@ void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
         incidence->relatedToUid().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)));
+  if (incidence->doesRecur()) {
+      icalcomponent_add_property(parent,writeRecurrenceRule(incidence->recurrence()));
+      // 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();
@@ -1294,9 +1291,10 @@ void ICalFormatImpl::readIncidence(icalcomponent *parent,Incidence *incidence)
     incidence->setIDStr(kp);
   }
 
   // Cancel backwards compatibility mode for subsequent changes by the application
-  incidence->recurrence()->setCompatVersion();
+  if ( readrec )
+      incidence->recurrence()->setCompatVersion();
 
   // add categories
   incidence->setCategories(categories);
 
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index e4bcc5e..4643a3a 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -32,9 +32,9 @@ using namespace KCal;
 Incidence::Incidence() :
   IncidenceBase(),
   mRelatedTo(0), mSecrecy(SecrecyPublic), mPriority(3)
 {
-  mRecurrence = new Recurrence(this);
+    mRecurrence = 0;//new Recurrence(this);
   mCancelled = false;
   recreate();
   mHasStartDate = true;
   mAlarms.setAutoDelete(true);
@@ -77,9 +77,12 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
   }
   mAlarms.setAutoDelete(true);
   mHasRecurrenceID = i.mHasRecurrenceID;
   mRecurrenceID = i.mRecurrenceID;
-  mRecurrence = new Recurrence( *(i.mRecurrence), this );
+  if ( i.mRecurrence )
+      mRecurrence = new Recurrence( *(i.mRecurrence), this );
+  else
+      mRecurrence = 0;
   mHoliday = i.mHoliday ;
   mBirthday = i.mBirthday;
   mAnniversary = i.mAnniversary;
 }
@@ -92,9 +95,10 @@ Incidence::~Incidence()
   for (ev=Relations.first();ev;ev=Relations.next()) {
     if (ev->relatedTo() == this) ev->setRelatedTo(0);
   } 
   if (relatedTo()) relatedTo()->removeRelation(this);
-  delete mRecurrence; 
+  if ( mRecurrence ) 
+      delete mRecurrence; 
  
 }
 
 bool Incidence::isHoliday() const
@@ -207,12 +211,26 @@ bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
         }
     } else {
         return false;
     }
-    if (!( *i1.recurrence() == *i2.recurrence()) ) {
-        qDebug("recurrence is NOT equal ");
-        return false;
+    if ( i1.mRecurrence != 0 && i2.mRecurrence != 0 ) {
+        if (!( *i1.mRecurrence == *i2.mRecurrence) ) {
+            //qDebug("recurrence is NOT equal ");
+            return false;
+        }
+    } else {
+        // one ( or both ) recurrence is 0
+        if ( i1.mRecurrence == 0 ) {
+            if ( i2.mRecurrence != 0 && i2.mRecurrence->doesRecur() != Recurrence::rNone )
+                return false;
+        } else {
+            // i1.mRecurrence != 0
+            // i2.mRecurrence == 0
+            if ( i1.mRecurrence->doesRecur() != Recurrence::rNone )
+                return false;
+        }
     }
+   
     return
         //  i1.created() == i2.created() &&
         stringCompare( i1.description(), i2.description() ) &&
         stringCompare( i1.summary(), i2.summary() ) &&
@@ -278,9 +296,10 @@ void Incidence::cloneRelations( Incidence * newInc )
 }
 void Incidence::setReadOnly( bool readOnly )
 {
   IncidenceBase::setReadOnly( readOnly );
-  recurrence()->setRecurReadOnly( readOnly);
+  if ( mRecurrence )
+      mRecurrence->setRecurReadOnly( readOnly);
 }
 void Incidence::setLastModifiedSubInvalid()
 {
     mLastModifiedSub = QDateTime();
@@ -329,9 +348,11 @@ int Incidence::revision() const
 void Incidence::setDtStart(const QDateTime &dtStart)
 {
 
   QDateTime  dt = getEvenTime(dtStart);
-  recurrence()->setRecurStart( dt);
+
+  if ( mRecurrence )
+      mRecurrence->setRecurStart( dt);
   IncidenceBase::setDtStart( dt );
 }
 
 void Incidence::setDescription(const QString &description)
@@ -503,17 +524,16 @@ void Incidence::removeRelation(Incidence *event)
 }
 
 bool Incidence::recursOn(const QDate &qd) const
 {
-  if (recurrence()->recursOnPure(qd) && !isException(qd)) return true;
+  if (mRecurrence && mRecurrence->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();
 }
@@ -697,17 +717,23 @@ bool Incidence::isAlarmEnabled() const
       return true;
   }
   return false;
 }
-
-Recurrence *Incidence::recurrence() const
+#include <stdlib.h>
+Recurrence *Incidence::recurrence()
 {
+    if ( ! mRecurrence ) {
+        mRecurrence = new Recurrence(this);
+        qDebug("creating new recurence ");
+        //abort();
+    }
   return mRecurrence;
 }
 void Incidence::setRecurrence( Recurrence * r) 
 {
-  delete mRecurrence;
-  mRecurrence = r;
+    if ( mRecurrence )
+        delete mRecurrence;
+    mRecurrence = r;
 }
 
 void Incidence::setLocation(const QString &location)
 {
@@ -719,8 +745,13 @@ void Incidence::setLocation(const QString &location)
 QString Incidence::location() const
 {
   return mLocation;
 }
+QString Incidence::recurrenceText() const
+{
+    if ( mRecurrence ) return mRecurrence->recurrenceText();
+    return i18n("No");
+}
 
 ushort Incidence::doesRecur() const
 {
   if ( mRecurrence ) return mRecurrence->doesRecur();
@@ -732,14 +763,14 @@ QDateTime Incidence::getNextOccurence( const QDateTime& dt, bool* ok ) const
     QDateTime incidenceStart = dt;
     *ok = false;
     if ( doesRecur() ) {
         bool last;
-         recurrence()->getPreviousDateTime( incidenceStart , &last );
+         mRecurrence->getPreviousDateTime( incidenceStart , &last );
          int count = 0;
          if ( !last ) {
              while ( !last ) {
                  ++count;
-                 incidenceStart = recurrence()->getNextDateTime( incidenceStart, &last );
+                 incidenceStart = mRecurrence->getNextDateTime( incidenceStart, &last );
                  if ( recursOn( incidenceStart.date() ) ) {
                      last = true; // exit while llop
                  } else {
                      if ( last ) { // no alarm on last recurrence
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index d4af9f0..8519f01 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -248,9 +248,9 @@ class Incidence : public IncidenceBase
     /**
       Return the recurrence rule associated with this incidence. If there is
       none, returns an appropriate (non-0) object.
     */
-    Recurrence *recurrence() const;
+    Recurrence *recurrence();
     void setRecurrence(Recurrence * r);
     /**
       Forward to Recurrence::doesRecur().
     */
@@ -277,11 +277,13 @@ class Incidence : public IncidenceBase
     bool isHoliday() const;
     bool isBirthday() const;
     bool isAnniversary() const;
     QDateTime lastModifiedSub();
+    QString recurrenceText() const;
     void setLastModifiedSubInvalid();
     
 
+    Recurrence *mRecurrence;
 protected:
     QPtrList<Alarm> mAlarms;
     QPtrList<Incidence> mRelations;
     QDateTime mRecurrenceID;
@@ -308,9 +310,8 @@ protected:
     int mSecrecy;
     int mPriority;                        // 1 = highest, 2 = less, etc.
 
     //QPtrList<Alarm> mAlarms;
-    Recurrence *mRecurrence;
     
     QString mLocation;
 };
 
diff --git a/libkcal/kincidenceformatter.cpp b/libkcal/kincidenceformatter.cpp
index 9359fad..f8f40f1 100644
--- a/libkcal/kincidenceformatter.cpp
+++ b/libkcal/kincidenceformatter.cpp
@@ -104,9 +104,9 @@ void KIncidenceFormatter::setEvent(Event *event)
         addTag("b",i18n("Location: "));
         mText.append(deTag(event->location())+"<br>");
     }
 
-    if (event->recurrence()->doesRecur()) {
+    if (event->doesRecur()) {
 
         QString recurText = event->recurrence()->recurrenceText();
         addTag("p","<em>" + i18n("This is a %1 recurring event.").arg(recurText ) + "</em>");
 
@@ -215,9 +215,9 @@ void KIncidenceFormatter::setTodo(Todo *event )
         mText += "</font>";
     }
    
    
-    if (event->recurrence()->doesRecur()) {
+    if (event->doesRecur()) {
 
         QString recurText = event->recurrence()->recurrenceText();
         addTag("p","<em>" + i18n("This is a %1 recurring todo.").arg(recurText ) + "</em>");
     } 
diff --git a/libkcal/vcalformat.cpp b/libkcal/vcalformat.cpp
index 8efc1ea..2e19740 100644
--- a/libkcal/vcalformat.cpp
+++ b/libkcal/vcalformat.cpp
@@ -391,9 +391,9 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
 
   return vtodo;
 }
 
-VObject* VCalFormat::eventToVEvent(const Event *anEvent)
+VObject* VCalFormat::eventToVEvent(Event *anEvent)
 {
   VObject *vevent;
   QString tmpStr;
  
@@ -458,9 +458,9 @@ VObject* VCalFormat::eventToVEvent(const Event *anEvent)
     }
   }
 
   // recurrence rule stuff
-  if (anEvent->recurrence()->doesRecur()) {
+  if (anEvent->doesRecur()) {
     // some more variables
     QPtrList<Recurrence::rMonthPos> tmpPositions;
     QPtrList<int> tmpDays;
     int *tmpDay;
diff --git a/libkcal/vcalformat.h b/libkcal/vcalformat.h
index c7df017..6dae3d2 100644
--- a/libkcal/vcalformat.h
+++ b/libkcal/vcalformat.h
@@ -73,9 +73,9 @@ class VCalFormat : public CalFormat {
     Event *VEventToEvent(VObject *vevent);
     /** translate a Event into a VTodo-type VObject and return pointer */
     VObject *eventToVTodo(const Todo *anEvent);
     /** translate a Event into a VObject and returns a pointer to it. */
-    VObject* eventToVEvent(const Event *anEvent);
+    VObject* eventToVEvent(Event *anEvent);
 
     /** takes a QDate and returns a string in the format YYYYMMDDTHHMMSS */
     QString qDateToISO(const QDate &);
     /** takes a QDateTime and returns a string in format YYYYMMDDTHHMMSS */