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
@@ -174,4 +174,5 @@ void Event::setDuration(int seconds)
 bool Event::matchTime(QDateTime*startDT, QDateTime* endDT)
 {
+    if ( cancelled() ) return false;
     if ( ! doesRecur() ) {
         if ( doesFloat() ) {
diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index 4794bc9..f349681 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -373,16 +373,13 @@ void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
 
   // 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)));
+      }
   }
   
@@ -1296,5 +1293,6 @@ void ICalFormatImpl::readIncidence(icalcomponent *parent,Incidence *incidence)
 
   // Cancel backwards compatibility mode for subsequent changes by the application
-  incidence->recurrence()->setCompatVersion();
+  if ( readrec )
+      incidence->recurrence()->setCompatVersion();
 
   // add categories
diff --git a/libkcal/incidence.cpp b/libkcal/incidence.cpp
index e4bcc5e..4643a3a 100644
--- a/libkcal/incidence.cpp
+++ b/libkcal/incidence.cpp
@@ -34,5 +34,5 @@ Incidence::Incidence() :
   mRelatedTo(0), mSecrecy(SecrecyPublic), mPriority(3)
 {
-  mRecurrence = new Recurrence(this);
+    mRecurrence = 0;//new Recurrence(this);
   mCancelled = false;
   recreate();
@@ -79,5 +79,8 @@ Incidence::Incidence( const Incidence &i ) : IncidenceBase( i )
   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;
@@ -94,5 +97,6 @@ Incidence::~Incidence()
   } 
   if (relatedTo()) relatedTo()->removeRelation(this);
-  delete mRecurrence; 
+  if ( mRecurrence ) 
+      delete mRecurrence; 
  
 }
@@ -209,8 +213,22 @@ bool KCal::operator==( const Incidence& i1, const Incidence& i2 )
         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() &&
@@ -280,5 +298,6 @@ void Incidence::setReadOnly( bool readOnly )
 {
   IncidenceBase::setReadOnly( readOnly );
-  recurrence()->setRecurReadOnly( readOnly);
+  if ( mRecurrence )
+      mRecurrence->setRecurReadOnly( readOnly);
 }
 void Incidence::setLastModifiedSubInvalid()
@@ -331,5 +350,7 @@ void Incidence::setDtStart(const QDateTime &dtStart)
 
   QDateTime  dt = getEvenTime(dtStart);
-  recurrence()->setRecurStart( dt);
+
+  if ( mRecurrence )
+      mRecurrence->setRecurStart( dt);
   IncidenceBase::setDtStart( dt );
 }
@@ -505,5 +526,5 @@ 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;
 }
@@ -513,5 +534,4 @@ void Incidence::setExDates(const DateList &exDates)
   if (mReadOnly) return;
   mExDates = exDates;
-
   recurrence()->setRecurExDatesCount(mExDates.count());
 
@@ -699,13 +719,19 @@ bool Incidence::isAlarmEnabled() const
   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;
 }
 
@@ -721,4 +747,9 @@ QString Incidence::location() const
   return mLocation;
 }
+QString Incidence::recurrenceText() const
+{
+    if ( mRecurrence ) return mRecurrence->recurrenceText();
+    return i18n("No");
+}
 
 ushort Incidence::doesRecur() const
@@ -734,10 +765,10 @@ QDateTime Incidence::getNextOccurence( const QDateTime& dt, bool* ok ) const
     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
diff --git a/libkcal/incidence.h b/libkcal/incidence.h
index d4af9f0..8519f01 100644
--- a/libkcal/incidence.h
+++ b/libkcal/incidence.h
@@ -250,5 +250,5 @@ class Incidence : public IncidenceBase
       none, returns an appropriate (non-0) object.
     */
-    Recurrence *recurrence() const;
+    Recurrence *recurrence();
     void setRecurrence(Recurrence * r);
     /**
@@ -279,7 +279,9 @@ class Incidence : public IncidenceBase
     bool isAnniversary() const;
     QDateTime lastModifiedSub();
+    QString recurrenceText() const;
     void setLastModifiedSubInvalid();
     
 
+    Recurrence *mRecurrence;
 protected:
     QPtrList<Alarm> mAlarms;
@@ -310,5 +312,4 @@ protected:
 
     //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
@@ -106,5 +106,5 @@ void KIncidenceFormatter::setEvent(Event *event)
     }
 
-    if (event->recurrence()->doesRecur()) {
+    if (event->doesRecur()) {
 
         QString recurText = event->recurrence()->recurrenceText();
@@ -217,5 +217,5 @@ void KIncidenceFormatter::setTodo(Todo *event )
    
    
-    if (event->recurrence()->doesRecur()) {
+    if (event->doesRecur()) {
 
         QString recurText = event->recurrence()->recurrenceText();
diff --git a/libkcal/vcalformat.cpp b/libkcal/vcalformat.cpp
index 8efc1ea..2e19740 100644
--- a/libkcal/vcalformat.cpp
+++ b/libkcal/vcalformat.cpp
@@ -393,5 +393,5 @@ VObject *VCalFormat::eventToVTodo(const Todo *anEvent)
 }
 
-VObject* VCalFormat::eventToVEvent(const Event *anEvent)
+VObject* VCalFormat::eventToVEvent(Event *anEvent)
 {
   VObject *vevent;
@@ -460,5 +460,5 @@ VObject* VCalFormat::eventToVEvent(const Event *anEvent)
 
   // recurrence rule stuff
-  if (anEvent->recurrence()->doesRecur()) {
+  if (anEvent->doesRecur()) {
     // some more variables
     QPtrList<Recurrence::rMonthPos> tmpPositions;
diff --git a/libkcal/vcalformat.h b/libkcal/vcalformat.h
index c7df017..6dae3d2 100644
--- a/libkcal/vcalformat.h
+++ b/libkcal/vcalformat.h
@@ -75,5 +75,5 @@ class VCalFormat : public CalFormat {
     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 */