1 files changed, 38 insertions, 4 deletions

diff --git a/libkcal/calendar.cpp b/libkcal/calendar.cpp
index b7990d4..b1806ee 100644
--- a/libkcal/calendar.cpp
+++ b/libkcal/calendar.cpp
@@ -1,243 +1,262 @@
 /*
     This file is part of libkcal.
     Copyright (c) 1998 Preston Brown
     Copyright (c) 2000,2001 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 <stdlib.h>
 #include <time.h>
 
 #include <kdebug.h>
 #include <kglobal.h>
 #include <klocale.h>
 
 #include "exceptions.h"
 #include "calfilter.h"
 
 #include "calendar.h"
 #include "syncdefines.h"
 
 using namespace KCal;
 
 Calendar::Calendar()
 {
   
   init();
   setTimeZoneId( " 00:00 Europe/London(UTC)" );
 }
 
 Calendar::Calendar( const QString &timeZoneId )
 { 
 
     init();
     setTimeZoneId(timeZoneId);
 }
 
 void Calendar::init()
 {
   mObserver = 0;
   mNewObserver = false;
   mUndoIncidence = 0;
   mDeleteIncidencesOnClose = true;
   mModified = false;
   mDefaultCalendar = 1;
   // Setup default filter, which does nothing
   mDefaultFilter = new CalFilter;
   mFilter = mDefaultFilter;
   mFilter->setEnabled(false);
 
   // initialize random numbers.  This is a hack, and not
   // even that good of one at that.
 //  srandom(time(0));
 
   // user information...
   setOwner(i18n("Unknown Name"));
   setEmail(i18n("unknown@nowhere"));
 
 #if 0
   tmpStr = KOPrefs::instance()->mTimeZone;
 //  kdDebug(5800) << "Calendar::Calendar(): TimeZone: " << tmpStr << endl;
   int dstSetting = KOPrefs::instance()->mDaylightSavings;
   extern long int timezone;
   struct tm *now;
   time_t curtime;
   curtime = time(0);
   now = localtime(&curtime);
   int hourOff = - ((timezone / 60) / 60);
   if (now->tm_isdst)
     hourOff += 1;
   QString tzStr;
   tzStr.sprintf("%.2d%.2d",
 		hourOff,
 		abs((timezone / 60) % 60));
 
   // if no time zone was in the config file, write what we just discovered.
   if (tmpStr.isEmpty()) {
 //    KOPrefs::instance()->mTimeZone = tzStr;
   } else {
     tzStr = tmpStr;
   }
 
   // if daylight savings has changed since last load time, we need
   // to rewrite these settings to the config file.
   if ((now->tm_isdst && !dstSetting) ||
       (!now->tm_isdst && dstSetting)) {
     KOPrefs::instance()->mTimeZone = tzStr;
     KOPrefs::instance()->mDaylightSavings = now->tm_isdst;
   }
 
   setTimeZone(tzStr);
 #endif
 
 //  KOPrefs::instance()->writeConfig();
 }
 
 Calendar::~Calendar()
 {
   delete mDefaultFilter;
-  if ( mUndoIncidence )
-      delete mUndoIncidence;
-}
+  clearUndo( 0 );
+} 
+void Calendar::clearUndo( Incidence * newUndo )
+{
+    
+    if ( mUndoIncidence ) {
+        if ( mUndoIncidence->typeID() == eventID )
+            delete  ((Event*) mUndoIncidence) ;
+        else if ( mUndoIncidence->typeID() == todoID )
+            delete ( (Todo*) mUndoIncidence );
+        else if ( mUndoIncidence->typeID() == journalID )
+            delete ( (Journal*) mUndoIncidence );
+        else 
+            delete mUndoIncidence;
+    }
+    mUndoIncidence =  newUndo;
+    if ( mUndoIncidence ) {
+        mUndoIncidence->clearRelations();
+    }
+    
+}   
+
 void Calendar::setDontDeleteIncidencesOnClose ()
 {
     mDeleteIncidencesOnClose = false;
 }
 void Calendar::setDefaultCalendar( int d )
 {
     mDefaultCalendar = d;
 }
 int Calendar::defaultCalendar()
 {
     return mDefaultCalendar;
 }
 const QString &Calendar::getOwner() const
 {
   return mOwner;
 }
 
 bool Calendar::undoDeleteIncidence()
 {
     if (!mUndoIncidence)
         return false;
     addIncidence(mUndoIncidence);
     mUndoIncidence = 0;
     return true;
 }
 void Calendar::setOwner(const QString &os)
 {
   int i;
   mOwner = os;
   i = mOwner.find(',');
   if (i != -1)
     mOwner = mOwner.left(i);
 
   setModified( true );
 }
 
 void Calendar::setTimeZone(const QString & tz)
 {
   bool neg = FALSE;
   int hours, minutes;
   QString tmpStr(tz);
 
   if (tmpStr.left(1) == "-")
     neg = TRUE;
   if (tmpStr.left(1) == "-" || tmpStr.left(1) == "+")
     tmpStr.remove(0, 1);
   hours = tmpStr.left(2).toInt();
   if (tmpStr.length() > 2)
     minutes = tmpStr.right(2).toInt();
   else
     minutes = 0;
   mTimeZone = (60*hours+minutes);
   if (neg)
     mTimeZone = -mTimeZone;
   mLocalTime = false;
 
   setModified( true );
 }
 
 QString Calendar::getTimeZoneStr() const
 {
   if (mLocalTime)
     return "";
   QString tmpStr;
   int hours = abs(mTimeZone / 60);
   int minutes = abs(mTimeZone % 60);
   bool neg = mTimeZone < 0;
 
   tmpStr.sprintf("%c%.2d%.2d",
 		 (neg ? '-' : '+'),
 		 hours, minutes);
   return tmpStr;
 }
 
 void Calendar::setTimeZone(int tz)
 {
   mTimeZone = tz;
   mLocalTime = false;
 
   setModified( true );
 }
 
 int Calendar::getTimeZone() const
 {
   return mTimeZone;
 }
 
 void Calendar::setTimeZoneId(const QString &id)
 { 
     mTimeZoneId = id;
     mLocalTime = false;
     mTimeZone  = KGlobal::locale()->timezoneOffset(mTimeZoneId);
     if ( mTimeZone > 1000)
          setLocalTime();
     //qDebug("Calendar::setTimeZoneOffset %s %d ",mTimeZoneId.latin1(), mTimeZone);
     setModified( true );
 }
 
 QString Calendar::timeZoneId() const
 {
   return mTimeZoneId;
 }
 
 void Calendar::setLocalTime()
 { 
     //qDebug("Calendar::setLocalTime() ");
     mLocalTime = true;
     mTimeZone = 0;
     mTimeZoneId = "";
 
   setModified( true );
 }
 
 bool Calendar::isLocalTime() const
 {
   return mLocalTime;
 }
 
 const QString &Calendar::getEmail()
 {
   return mOwnerEmail;
 }
 
 void Calendar::setEmail(const QString &e)
 {
   mOwnerEmail = e;
 
   setModified( true );
@@ -322,168 +341,183 @@ QPtrList<Incidence> Calendar::rawIncidences()
 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);
   if ( i->calID() == 0 )
       i->setCalID( mDefaultCalendar );
   i->setCalEnabled( true );
   return i->accept(v);
 }
 void Calendar::deleteIncidence(Incidence *in)
 {
     if ( in->typeID() == eventID )
         deleteEvent( (Event*) in );
     else if ( in->typeID() == todoID )
         deleteTodo( (Todo*) in);
     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 ) )
+    if( mOrphanUids.remove( uid ) ) {
+        QString r2uid = incidence->relatedToUid();
+        QPtrList<Incidence> tempList;
+        while( Incidence* i = mOrphans[ r2uid ] ) {
+            mOrphans.remove( r2uid );
+            if ( i != incidence ) tempList.append( i );
+        }
+        Incidence* inc = tempList.first();
+        while ( inc ) {
+            mOrphans.insert( r2uid, inc );
+            inc = tempList.next();
+        }
+    }
+    // LR: and another big bad bug found
+#if 0
         // 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;
                 }
             }
         }
+#endif
 }
 
 void Calendar::registerObserver( Observer *observer )
 {
   mObserver = observer;
   mNewObserver = true;
 }
 
 void Calendar::setModified( bool modified )
 {
     if ( mObserver ) mObserver->calendarModified( modified, this );
   if ( modified != mModified || mNewObserver ) {
     mNewObserver = false;
     // if ( mObserver ) mObserver->calendarModified( modified, this );
     mModified = modified;
   }
 }
 
 void Calendar::setLoadedProductId( const QString &id )
 {
   mLoadedProductId = id;
 }
 
 QString Calendar::loadedProductId()
 {
   return mLoadedProductId;
 }
 
 //#include "calendar.moc"