Implement saving of events

Implement the ExceptionList
Add Children and parent to OEvent
Make  ORecur honor exceptions
Extend the test app to add and save

5 files changed, 312 insertions, 16 deletions

diff --git a/libopie2/opiepim/backend/odatebookaccessbackend_xml.cpp b/libopie2/opiepim/backend/odatebookaccessbackend_xml.cpp
index a4c514b..5239d84 100644
--- a/libopie2/opiepim/backend/odatebookaccessbackend_xml.cpp
+++ b/libopie2/opiepim/backend/odatebookaccessbackend_xml.cpp
@@ -1,119 +1,249 @@
 #include <errno.h>
 #include <fcntl.h>
 
+#include <stdio.h>
+#include <stdlib.h>
+
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 
 #include <unistd.h>
 
 #include <qasciidict.h>
 #include <qfile.h>
 
 #include <qtopia/global.h>
 #include <qtopia/stringutil.h>
+#include <qtopia/timeconversion.h>
 
 #include "opimnotifymanager.h"
 #include "orecur.h"
 #include "otimezone.h"
 #include "odatebookaccessbackend_xml.h"
 
 namespace {
     time_t start, end, created, rp_end;
     ORecur* rec;
     ORecur* recur() {
         if (!rec)
             rec = new ORecur;
 
         return rec;
     }
     int alarmTime;
     int snd;
     enum Attribute{
-        	FDescription = 0,
-	FLocation,
-	FCategories,
-	FUid,
-	FType,
+        FDescription = 0,
+        FLocation,
+        FCategories,
+        FUid,
+        FType,
 	FAlarm,
 	FSound,
 	FRType,
 	FRWeekdays,
 	FRPosition,
 	FRFreq,
 	FRHasEndDate,
 	FREndDate,
 	FRStart,
 	FREnd,
 	FNote,
-	FCreated
+	FCreated,
+        FTimeZone,
+        FRecParent,
+        FRecChildren,
+        FExceptions
     };
+    inline void save( const OEvent& ev, QString& buf ) {
+        buf += " description=\"" + Qtopia::escapeString(ev.description() ) + "\"";
+        if (!ev.location().isEmpty() )
+            buf += " location=\"" + Qtopia::escapeString(ev.location() ) + "\"";
+
+        buf += " categories=\""+ Qtopia::escapeString( Qtopia::Record::idsToString( ev.categories() ) ) + "\"";
+        buf += " uid=\"" + QString::number( ev.uid() ) + "\"";
+
+        if (ev.isAllDay() )
+            buf += " type=\"AllDay\"";
+
+        if (ev.hasNotifiers() ) {
+            OPimAlarm alarm = ev.notifiers().alarms()[0]; // take only the first
+            int minutes = alarm.dateTime().secsTo( ev.startDateTime() ) / 60;
+            buf += " alarm=\"" + QString::number(minutes) + "\" sound=\"";
+            if ( alarm.sound() == OPimAlarm::Loud )
+                buf += "loud";
+            else
+                buf += "silent";
+            buf += "\"";
+        }
+        if ( ev.hasRecurrence() ) {
+            buf += ev.recurrence().toString();
+        }
+
+        /*
+         * fscking timezones :) well, we'll first convert
+         * the QDateTime to a QDateTime in UTC time
+         * and then we'll create a nice time_t
+         */
+        OTimeZone zone( ev.timeZone().isEmpty() ? OTimeZone::current() : ev.timeZone() );
+        buf += " start=\"" + QString::number( zone.fromUTCDateTime( zone.toDateTime( ev.startDateTime(), OTimeZone::utc() ) ) )  + "\"";
+        buf += " end=\""   + QString::number( zone.fromUTCDateTime( zone.toDateTime( ev.endDateTime()  , OTimeZone::utc() ) ) )   + "\"";
+        if (!ev.note().isEmpty() ) {
+            buf += " note=\"" + Qtopia::escapeString( ev.note() ) + "\"";
+        }
+
+        buf += " timezone=\"";
+        if ( ev.timeZone().isEmpty() )
+            buf += "None";
+        else
+            buf += ev.timeZone();
+
+        if (ev.parent() != 0 ) {
+            buf += " recparent=\""+QString::number(ev.parent() )+"\"";
+        }
+
+        if (ev.children().count() != 0 ) {
+            QArray<int> children = ev.children();
+            buf += " recchildren=\"";
+            for ( uint i = 0; i < children.count(); i++ ) {
+                if ( i != 0 ) buf += " ";
+                buf += QString::number( children[i] );
+            }
+            buf+= "\"";
+        }
+
+        // skip custom writing
+    }
+
+    inline bool forAll( const QMap<int, OEvent>& list, QFile& file ) {
+        QMap<int, OEvent>::ConstIterator it;
+        QString buf;
+        QCString str;
+        int total_written;
+        for ( it = list.begin(); it != list.end(); ++it ) {
+            buf = "<event";
+            save( it.data(), buf );
+            buf += " />\n";
+            str = buf.utf8();
+
+            total_written = file.writeBlock(str.data(), str.length() );
+            if ( total_written != int(str.length() ) )
+                return false;
+        }
+        return true;
+    }
 }
 
 ODateBookAccessBackend_XML::ODateBookAccessBackend_XML( const QString& ,
                                                         const QString& fileName )
     : ODateBookAccessBackend() {
     m_name = fileName.isEmpty() ? Global::applicationFileName( "datebook", "datebook.xml" ) : fileName;
     m_changed = false;
 }
 ODateBookAccessBackend_XML::~ODateBookAccessBackend_XML() {
 }
 bool ODateBookAccessBackend_XML::load() {
     return loadFile();
 }
 bool ODateBookAccessBackend_XML::reload() {
     clear();
     return load();
 }
 bool ODateBookAccessBackend_XML::save() {
-    if (!m_changed) return true;
-    m_changed = false;
+    qWarning("going to save now");
+//    if (!m_changed) return true;
+
+    int total_written;
+    QString strFileNew = m_name + ".new";
+
+    QFile f( strFileNew );
+    if (!f.open( IO_WriteOnly | IO_Raw ) ) return false;
+
+    QString buf( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
+    buf += "<!DOCTYPE DATEBOOK><DATEBOOK>\n";
+    buf += "<events>\n";
+    QCString str = buf.utf8();
+    total_written = f.writeBlock( str.data(), str.length() );
+    if ( total_written != int(str.length() ) ) {
+        f.close();
+        QFile::remove( strFileNew );
+        return false;
+    }
 
+    if (!forAll( m_raw, f ) ) {
+        f.close();
+        QFile::remove( strFileNew );
+        return false;
+    }
+    if (!forAll( m_rep, f ) ) {
+        f.close();
+        QFile::remove( strFileNew );
+        return false;
+    }
+
+    buf = "</events>\n</DATEBOOK>\n";
+    str = buf.utf8();
+    total_written = f.writeBlock( str.data(), str.length() );
+    if ( total_written != int(str.length() ) ) {
+        f.close();
+        QFile::remove( strFileNew );
+        return false;
+    }
+    f.close();
+
+    exit(0);
+    if ( ::rename( strFileNew, m_name ) < 0 ) {
+        QFile::remove( strFileNew );
+        return false;
+    }
+
+    m_changed = false;
     return true;
 }
 QArray<int> ODateBookAccessBackend_XML::allRecords()const {
     QArray<int> ints( m_raw.count()+ m_rep.count() );
     uint i = 0;
     QMap<int, OEvent>::ConstIterator it;
 
     for ( it = m_raw.begin(); it != m_raw.end(); ++it ) {
         ints[i] = it.key();
         i++;
     }
     for ( it = m_rep.begin(); it != m_rep.end(); ++it ) {
         ints[i] = it.key();
         i++;
     }
 
     return ints;
 }
 QArray<int> ODateBookAccessBackend_XML::queryByExample(const OEvent&, int ) {
     return QArray<int>();
 }
 void ODateBookAccessBackend_XML::clear() {
     m_raw.clear();
     m_rep.clear();
 }
 OEvent ODateBookAccessBackend_XML::find( int uid ) const{
     if ( m_raw.contains( uid ) )
         return m_raw[uid];
     else
         return m_rep[uid];
 }
 bool ODateBookAccessBackend_XML::add( const OEvent& ev ) {
     m_changed = true;
     if (ev.hasRecurrence() )
         m_rep.insert( ev.uid(), ev );
     else
         m_raw.insert( ev.uid(), ev );
 
     return true;
 }
 bool ODateBookAccessBackend_XML::remove( int uid ) {
     m_changed = true;
     m_rep.remove( uid );
     m_rep.remove( uid );
 
     return true;
 }
 bool ODateBookAccessBackend_XML::replace( const OEvent& ev ) {
@@ -138,258 +268,290 @@ QArray<int> ODateBookAccessBackend_XML::rawRepeats()const {
 QArray<int> ODateBookAccessBackend_XML::nonRepeats()const {
     QArray<int> ints( m_raw.count() );
     uint i = 0;
     QMap<int, OEvent>::ConstIterator it;
 
     for ( it = m_raw.begin(); it != m_raw.end(); ++it ) {
         ints[i] = it.key();
         i++;
     }
 
     return ints;
 }
 OEvent::ValueList ODateBookAccessBackend_XML::directNonRepeats() {
     OEvent::ValueList list;
     QMap<int, OEvent>::ConstIterator it;
     for (it = m_raw.begin(); it != m_raw.end(); ++it )
         list.append( it.data() );
 
     return list;
 }
 OEvent::ValueList ODateBookAccessBackend_XML::directRawRepeats() {
     OEvent::ValueList list;
     QMap<int, OEvent>::ConstIterator it;
     for (it = m_rep.begin(); it != m_rep.end(); ++it )
         list.append( it.data() );
 
     return list;
 }
 bool ODateBookAccessBackend_XML::loadFile() {
     m_changed = false;
 
     int fd = ::open( QFile::encodeName(m_name).data(), O_RDONLY );
     if ( fd < 0 ) return false;
 
     struct stat attribute;
     if ( ::fstat(fd, &attribute ) == -1 ) {
         ::close( fd );
         return false;
     }
     void* map_addr = ::mmap(NULL, attribute.st_size, PROT_READ, MAP_SHARED, fd, 0 );
     if ( map_addr == ( (caddr_t)-1) ) {
         ::close( fd );
         return false;
     }
 
     ::madvise( map_addr, attribute.st_size, MADV_SEQUENTIAL );
     ::close( fd );
 
-    QAsciiDict<int> dict(FCreated+1);
+    QAsciiDict<int> dict(FExceptions+1);
     dict.setAutoDelete( true );
     dict.insert( "description", new int(FDescription) );
     dict.insert( "location", new int(FLocation) );
     dict.insert( "categories", new int(FCategories) );
     dict.insert( "uid", new int(FUid) );
     dict.insert( "type", new int(FType) );
     dict.insert( "alarm", new int(FAlarm) );
     dict.insert( "sound", new int(FSound) );
     dict.insert( "rtype", new int(FRType) );
     dict.insert( "rweekdays", new int(FRWeekdays) );
     dict.insert( "rposition", new int(FRPosition) );
     dict.insert( "rfreq", new int(FRFreq) );
     dict.insert( "rhasenddate", new int(FRHasEndDate) );
     dict.insert( "enddt", new int(FREndDate) );
     dict.insert( "start", new int(FRStart) );
     dict.insert( "end", new int(FREnd) );
     dict.insert( "note", new int(FNote) );
     dict.insert( "created", new int(FCreated) );
+    dict.insert( "recparent", new int(FRecParent) );
+    dict.insert( "recchildren", new int(FRecChildren) );
+    dict.insert( "exceptions", new int(FExceptions) );
+    dict.insert( "timezone", new int(FTimeZone) );
 
     char* dt = (char*)map_addr;
     int len = attribute.st_size;
     int i = 0;
     char* point;
     const char* collectionString = "<event ";
     int strLen = ::strlen(collectionString);
     int *find;
     while ( dt + 1 != 0 && (( point = ::strstr( dt+i, collectionString ) ) != 0 ) ) {
         i = point -dt;
         i+= strLen;
 
         alarmTime = -1;
         snd = 0; // silent
 
         OEvent ev;
         rec = 0;
 
         while ( TRUE ) {
             while ( i < len && (dt[i] == ' ' || dt[i] == '\n' || dt[i] == '\r') )
 		++i;
 	    if ( i >= len-2 || (dt[i] == '/' && dt[i+1] == '>') )
 		break;
 
 
 	    // we have another attribute, read it.
 	    int j = i;
 	    while ( j < len && dt[j] != '=' )
 		++j;
 	    QCString attr( dt+i, j-i+1);
 
 	    i = ++j; // skip =
 
 	    // find the start of quotes
 	    while ( i < len && dt[i] != '"' )
 		++i;
 	    j = ++i;
 
 	    bool haveUtf = FALSE;
 	    bool haveEnt = FALSE;
 	    while ( j < len && dt[j] != '"' ) {
 		if ( ((unsigned char)dt[j]) > 0x7f )
 		    haveUtf = TRUE;
 		if ( dt[j] == '&' )
 		    haveEnt = TRUE;
 		++j;
 	    }
 	    if ( i == j ) {
 		// empty value
 		i = j + 1;
 		continue;
 	    }
 
 	    QCString value( dt+i, j-i+1 );
 	    i = j + 1;
 
 	    QString str = (haveUtf ? QString::fromUtf8( value )
 		    : QString::fromLatin1( value ) );
 	    if ( haveEnt )
 		str = Qtopia::plainString( str );
 
             /*
              * add key + value
              */
             find = dict[attr.data()];
             if (!find)
                 ev.setCustomField( attr, value );
             else {
                 setField( ev, *find, value );
             }
         }
         /* time to finalize */
         finalizeRecord( ev );
         add( ev );
         delete rec;
     }
     ::munmap(map_addr, attribute.st_size );
     m_changed = false; // changed during add
 
     return true;
 }
 void ODateBookAccessBackend_XML::finalizeRecord( OEvent& ev ) {
     /* AllDay is alway in UTC */
     if ( ev.isAllDay() ) {
         OTimeZone utc = OTimeZone::utc();
         ev.setStartDateTime( utc.fromUTCDateTime( start ) );
         ev.setEndDateTime  ( utc.fromUTCDateTime( end   ) );
+        ev.setTimeZone( "UTC"); // make sure it is really utc
     }else {
+        /* to current date time */
         OTimeZone zone( ev.timeZone().isEmpty() ? OTimeZone::current() : ev.timeZone() );
-        ev.setStartDateTime( zone.toDateTime( start ) );
-        ev.setEndDateTime  ( zone.toDateTime( end   ) );
+        QDateTime date = zone.toDateTime( start );
+        ev.setStartDateTime( zone.toDateTime( date, OTimeZone::current() ) );
+
+        date = zone.toDateTime( end );
+        ev.setEndDateTime  ( zone.toDateTime( date, OTimeZone::current()   ) );
     }
     if ( rec && rec->doesRecur() ) {
         OTimeZone utc = OTimeZone::utc();
         ORecur recu( *rec ); // call copy c'tor;
         recu.setEndDate ( utc.fromUTCDateTime( rp_end ).date() );
         recu.setCreatedDateTime( utc.fromUTCDateTime( created ) );
         recu.setStart( ev.startDateTime().date() );
         ev.setRecurrence( recu );
     }
 
     if (alarmTime != -1 ) {
         QDateTime dt = ev.startDateTime().addSecs( -1*alarmTime*60 );
         OPimAlarm al( snd ,  dt  );
         ev.notifiers().add( al );
     }
     if ( m_raw.contains( ev.uid() ) || m_rep.contains( ev.uid() ) ) {
         ev.setUid( 1 );
     }
     if ( ev.hasRecurrence() )
         m_rep.insert( ev.uid(), ev );
     else
         m_raw.insert( ev.uid(), ev );
 
 }
 void ODateBookAccessBackend_XML::setField( OEvent& e, int id, const QString& value) {
 //    qWarning(" setting %s", value.latin1() );
     switch( id ) {
     case FDescription:
         e.setDescription( value );
         break;
     case FLocation:
         e.setLocation( value );
         break;
     case FCategories:
         e.setCategories( e.idsFromString( value ) );
         break;
     case FUid:
         e.setUid( value.toInt() );
         break;
     case FType:
         if ( value == "AllDay" ) {
             e.setAllDay( true );
             e.setTimeZone( "UTC" );
         }
         break;
     case FAlarm:
         alarmTime = value.toInt();
         break;
     case FSound:
         snd = value == "loud" ? OPimAlarm::Loud : OPimAlarm::Silent;
         break;
         // recurrence stuff
     case FRType:
         if ( value == "Daily" )
             recur()->setType( ORecur::Daily );
         else if ( value == "Weekly" )
             recur()->setType( ORecur::Weekly);
         else if ( value == "MonthlyDay" )
             recur()->setType( ORecur::MonthlyDay );
         else if ( value == "MonthlyDate" )
             recur()->setType( ORecur::MonthlyDate );
         else if ( value == "Yearly" )
             recur()->setType( ORecur::Yearly );
         else
             recur()->setType( ORecur::NoRepeat );
         break;
     case FRWeekdays:
         recur()->setDays( value.toInt() );
         break;
     case FRPosition:
         recur()->setPosition( value.toInt() );
         break;
     case FRFreq:
         recur()->setFrequency( value.toInt() );
         break;
     case FRHasEndDate:
         recur()->setHasEndDate( value.toInt() );
         break;
     case FREndDate: {
         rp_end = (time_t) value.toLong();
         break;
     }
     case FRStart: {
         start =  (time_t) value.toLong();
         break;
     }
     case FREnd: {
         end = ( (time_t) value.toLong() );
         break;
     }
     case FNote:
         e.setNote( value );
         break;
     case FCreated:
         created = value.toInt();
         break;
+    case FRecParent:
+        e.setParent( value.toInt() );
+        break;
+    case FRecChildren:{
+        QStringList list = QStringList::split(' ', value );
+        for ( QStringList::Iterator it = list.begin(); it != list.end(); ++it ) {
+            e.addChild( (*it).toInt() );
+        }
+    }
+        break;
+    case FExceptions:{
+        QStringList list = QStringList::split(' ', value );
+        for (QStringList::Iterator it = list.begin(); it != list.end(); ++it ) {
+            QDate date( (*it).left(4).toInt(), (*it).mid(4, 2).toInt(), (*it).right(2).toInt() );
+            qWarning("adding exception %s", date.toString().latin1() );
+            recur()->exceptions().append( date );
+        }
+    }
+        break;
+    case FTimeZone:
+        if ( value != "None" )
+            e.setTimeZone( value );
+        break;
     default:
         break;
     }
 }
diff --git a/libopie2/opiepim/core/orecur.cpp b/libopie2/opiepim/core/orecur.cpp
index e6a4787..e3b45b4 100644
--- a/libopie2/opiepim/core/orecur.cpp
+++ b/libopie2/opiepim/core/orecur.cpp
@@ -1,146 +1,157 @@
+#include <time.h>
+
 #include <qshared.h>
 
 #include <qtopia/timeconversion.h>
 
+#include "otimezone.h"
 #include "orecur.h"
 
 struct ORecur::Data : public QShared {
     Data() : QShared() {
         type = ORecur::NoRepeat;
         freq = -1;
         days = 0;
         pos = 0;
         create = QDateTime::currentDateTime();
         hasEnd = FALSE;
         end = QDate::currentDate();
     }
     char days; // Q_UINT8 for 8 seven days;)
     ORecur::RepeatType type;
     int freq;
     int pos;
     bool hasEnd : 1;
     QDate end;
     QDateTime create;
     int rep;
     QString app;
     ExceptionList list;
     QDate start;
 };
 
 
 ORecur::ORecur() {
     data = new Data;
 }
 ORecur::ORecur( const ORecur& rec)
     : data( rec.data )
 {
     data->ref();
 }
 ORecur::~ORecur() {
     if ( data->deref() ) {
         delete data;
         data = 0l;
     }
 }
 void ORecur::deref() {
     if ( data->deref() ) {
         delete data;
         data = 0l;
     }
 }
 bool ORecur::operator==( const ORecur& )const {
     return false;
 }
 ORecur &ORecur::operator=( const ORecur& re) {
     if ( *this == re ) return *this;
 
     re.data->ref();
     deref();
     data = re.data;
 
     return *this;
 }
 bool ORecur::doesRecur()const {
     return !( type() == NoRepeat );
 }
 /*
  * we try to be smart here
  *
  */
 bool ORecur::doesRecur( const QDate& date ) {
     /* the day before the recurrance */
     QDate da = date.addDays(-1);
 
     QDate recur;
     if (!nextOcurrence( da, recur ) )
         return false;
 
     return (recur == date);
 }
 // FIXME unuglify!
 // GPL from Datebookdb.cpp
 // FIXME exception list!
 bool ORecur::nextOcurrence( const QDate& from, QDate& next ) {
+    bool stillLooking;
+    stillLooking  = p_nextOccurrence( from, next );
+    while ( stillLooking && data->list.contains(next) )
+        stillLooking = p_nextOccurrence( next.addDays(1), next );
+
+    return stillLooking;
+}
+bool ORecur::p_nextOccurrence( const QDate& from, QDate& next ) {
 
    // easy checks, first are we too far in the future or too far in the past?
     QDate tmpDate;
     int freq = frequency();
     int diff, diff2, a;
     int iday, imonth, iyear;
     int dayOfWeek = 0;
     int firstOfWeek = 0;
     int weekOfMonth;
 
 
     if (hasEndDate() && endDate() < from)
 	return FALSE;
 
-    if (start() >= from) {
+    if (start() >= from  ) {
 	next = start();
 	return TRUE;
     }
 
     switch ( type() ) {
 	case Weekly:
 	    /* weekly is just daily by 7 */
 	    /* first convert the repeatPattern.Days() mask to the next
 	       day of week valid after from */
             dayOfWeek = from.dayOfWeek();
 	    dayOfWeek--; /* we want 0-6, doco for above specs 1-7 */
 
 	    /* this is done in case freq > 1 and from in week not
 	       for this round */
 	    // firstOfWeek = 0; this is already done at decl.
 	    while(!((1 << firstOfWeek) & days() ))
 		firstOfWeek++;
 
 	    /* there is at least one 'day', or there would be no event */
 	    while(!((1 << (dayOfWeek % 7)) & days() ))
 		dayOfWeek++;
 
 	    dayOfWeek = dayOfWeek % 7; /* the actual day of week */
 	    dayOfWeek -= start().dayOfWeek() -1;
 
 	    firstOfWeek = firstOfWeek % 7; /* the actual first of week */
 	    firstOfWeek -= start().dayOfWeek() -1;
 
 	    // dayOfWeek may be negitive now
 	    // day of week is number of days to add to start day
 
 	    freq *= 7;
 	    // FALL-THROUGH !!!!!
 	case Daily:
 	    // the add is for the possible fall through from weekly */
 	    if(start().addDays(dayOfWeek) > from) {
 		/* first week exception */
 		next = QDate(start().addDays(dayOfWeek) );
 		if ((next > endDate())
 		    && hasEndDate() )
 		    return FALSE;
 		return TRUE;
 	    }
 	    /* if from is middle of a non-week */
 
 	    diff = start().addDays(dayOfWeek).daysTo(from) % freq;
 	    diff2 = start().addDays(firstOfWeek).daysTo(from) % freq;
 
@@ -398,49 +409,102 @@ void ORecur::setPosition( int pos ) {
     data->pos = pos;
 }
 void ORecur::setDays( char c ) {
     checkOrModify();
     data->days = c;
 }
 void ORecur::setEndDate( const QDate& dt) {
     checkOrModify();
     data->end = dt;
 }
 void ORecur::setCreatedDateTime( const QDateTime& t) {
     checkOrModify();
     data->create = t;
 }
 void ORecur::setHasEndDate( bool b) {
     checkOrModify();
     data->hasEnd = b;
 }
 void ORecur::setRepitition( int rep ) {
     checkOrModify();
     data->rep = rep;
 }
 void ORecur::setService( const QString& app ) {
     checkOrModify();
     data->app = app;
 }
 void ORecur::setStart( const QDate& dt ) {
     checkOrModify();
     data->start = dt;
 }
 void ORecur::checkOrModify() {
     if ( data->count !=  1 ) {
         data->deref();
         Data* d2 = new Data;
         d2->days = data->days;
         d2->type = data->type;
         d2->freq = data->freq;
         d2->pos  = data->pos;
         d2->hasEnd = data->hasEnd;
         d2->end  = data->end;
         d2->create = data->create;
         d2->rep = data->rep;
         d2->app = data->app;
         d2->list = data->list;
         d2->start = data->start;
         data = d2;
     }
 }
+QString ORecur::toString()const {
+    QString buf;
+
+    buf += " rtype=\"";
+    switch ( data->type ) {
+    case ORecur::Daily:
+        buf += "Daily";
+        break;
+    case ORecur::Weekly:
+        buf += "Weekly";
+        break;
+    case ORecur::MonthlyDay:
+        buf += "MonthlyDay";
+        break;
+    case ORecur::MonthlyDate:
+        buf += "MonthlyDate";
+        break;
+    case ORecur::Yearly:
+        buf += "Yearly";
+        break;
+    default:
+        buf += "NoRepeat";
+        break;
+    }
+    buf += "\"";
+    if (data->days > 0 )
+	buf += " rweekdays=\"" + QString::number( static_cast<int>( data->days ) ) + "\"";
+    if ( data->pos != 0 )
+	buf += " rposition=\"" + QString::number(data->pos ) + "\"";
+
+    buf += " rfreq=\"" + QString::number( data->freq ) + "\"";
+    buf += " rhasenddate=\"" + QString::number( static_cast<int>( data->hasEnd ) ) + "\"";
+    if ( data->hasEnd )
+	buf += " enddt=\""
+	       + QString::number( OTimeZone::utc().fromUTCDateTime( QDateTime( data->end, QTime(12,0,0) ) ) )
+	       + "\"";
+    buf += " created=\"" + QString::number( OTimeZone::utc().fromUTCDateTime( data->create ) ) + "\"";
+
+    if ( data->list.isEmpty() ) return buf;
+    // save exceptions list here!!
+    ExceptionList::ConstIterator it;
+    ExceptionList list = data->list;
+    buf += " exceptions=\"";
+    QDate date;
+    for ( it = list.begin(); it != list.end(); ++it ) {
+        date = (*it);
+        if ( it != list.begin() ) buf += " ";
+
+        buf += QCString().sprintf("%04d%02d%02d", date.year(), date.month(), date.day() );
+    }
+    buf += "\"";
 
+    return buf;
+}
diff --git a/libopie2/opiepim/core/orecur.h b/libopie2/opiepim/core/orecur.h
index 1e0014b..b214b3f 100644
--- a/libopie2/opiepim/core/orecur.h
+++ b/libopie2/opiepim/core/orecur.h
@@ -28,60 +28,64 @@ public:
     bool doesRecur()const;
     /* if it recurrs on that day */
     bool doesRecur( const QDate& );
     RepeatType type()const;
     int frequency()const;
     int position()const;
     char days()const;
     bool hasEndDate()const;
     QDate start()const;
     QDate endDate()const;
     QDateTime createdDateTime()const;
     /**
      * starting on monday=0, sunday=6
      * for convience
      */
     bool repeatOnWeekDay( int day )const;
 
     /**
      * FromWhereToStart is not included!!!
      */
     bool nextOcurrence( const QDate& FromWhereToStart, QDate &recurDate );
 
     /**
      * The module this ORecur belongs to
      */
     QString service()const;
 
     /*
      * reference to the exception list
      */
     ExceptionList &exceptions();
 
     /**
      * the current repetition
      */
     int repetition()const;
 
     void setType( const RepeatType& );
     void setFrequency( int freq );
     void setPosition( int pos );
     void setDays( char c);
     void setEndDate( const QDate& dt );
     void setStart( const QDate& dt );
     void setCreatedDateTime( const QDateTime& );
     void setHasEndDate( bool b );
     void setRepitition(int );
 
     void setService( const QString& ser );
+
+    /* almost internal */
+    QString toString()const;
 private:
+    bool p_nextOccurrence( const QDate& from, QDate& next );
     void deref();
     inline void checkOrModify();
 
 
     class Data;
     Data* data;
     class ORecurPrivate;
     ORecurPrivate *d;
 };
 
 #endif
diff --git a/libopie2/opiepim/oevent.cpp b/libopie2/opiepim/oevent.cpp
index ada596c..c3eeee2 100644
--- a/libopie2/opiepim/oevent.cpp
+++ b/libopie2/opiepim/oevent.cpp
@@ -1,308 +1,366 @@
 #include <qshared.h>
 
 #include <qpe/palmtopuidgen.h>
 #include <qpe/categories.h>
 
 #include "orecur.h"
 #include "opimresolver.h"
 #include "opimnotifymanager.h"
 
 #include "oevent.h"
 
 int OCalendarHelper::week( const QDate& date) {
     // Calculates the week this date is in within that
     // month. Equals the "row" is is in in the month view
     int week = 1;
     QDate tmp( date.year(), date.month(), 1 );
     if ( date.dayOfWeek() < tmp.dayOfWeek() )
         ++week;
 
     week += ( date.day() - 1 ) / 7;
 
     return week;
 }
 int OCalendarHelper::ocurrence( const QDate& date) {
     // calculates the number of occurrances of this day of the
     // week till the given date (e.g 3rd Wednesday of the month)
     return ( date.day() - 1 ) / 7 + 1;
 }
 int OCalendarHelper::dayOfWeek( char day ) {
     int dayOfWeek = 1;
     char i = ORecur::MON;
     while ( !( i & day ) && i <= ORecur::SUN ) {
         i <<= 1;
         ++dayOfWeek;
     }
     return dayOfWeek;
 }
 int OCalendarHelper::monthDiff( const QDate& first, const QDate& second ) {
     return ( second.year() - first.year() ) * 12 +
         second.month() - first.month();
 }
 
 struct OEvent::Data : public QShared {
     Data() : QShared() {
+        child = 0;
         recur = 0;
         manager = 0;
         isAllDay = false;
+        parent = 0;
     }
     ~Data() {
         delete manager;
         delete recur;
     }
     QString description;
     QString location;
     OPimNotifyManager* manager;
     ORecur* recur;
     QString note;
     QDateTime created;
     QDateTime start;
     QDateTime end;
     bool isAllDay : 1;
     QString timezone;
+    QArray<int>* child;
+    int parent;
 };
 
 OEvent::OEvent( int uid )
     : OPimRecord( uid ) {
     data = new Data;
 }
 OEvent::OEvent( const OEvent& ev)
     : OPimRecord( ev ), data( ev.data )
 {
     data->ref();
 }
 OEvent::~OEvent() {
     if ( data->deref() ) {
         delete data;
         data = 0;
     }
 }
 OEvent& OEvent::operator=( const OEvent& ev) {
     if ( *this == ev ) return  *this;
 
     OPimRecord::operator=( ev );
     ev.data->ref();
     deref();
     data = ev.data;
 
 
     return *this;
 }
 QString OEvent::description()const {
     return data->description;
 }
 void OEvent::setDescription( const QString& description ) {
     changeOrModify();
     data->description = description;
 }
 void OEvent::setLocation( const QString& loc ) {
     changeOrModify();
     data->location = loc;
 }
 QString OEvent::location()const {
     return data->location;
 }
-OPimNotifyManager &OEvent::notifiers() {
+OPimNotifyManager &OEvent::notifiers()const {
     // I hope we can skip the changeOrModify here
     // the notifier should take care of it
     // and OPimNotify is shared too
     if (!data->manager )
         data->manager = new OPimNotifyManager;
 
     return *data->manager;
 }
 bool OEvent::hasNotifiers()const {
-    return  ( data->manager);
+    if (!data->manager )
+        return false;
+    if (data->manager->reminders().isEmpty() &&
+        data->manager->alarms().isEmpty() )
+        return false;
+
+    return true;
 }
 ORecur OEvent::recurrence()const {
     if (!data->recur)
         data->recur = new ORecur;
 
     return *data->recur;
 }
 void OEvent::setRecurrence( const ORecur& rec) {
     changeOrModify();
     if (data->recur )
         (*data->recur) = rec;
     else
         data->recur = new ORecur( rec );
 }
 bool OEvent::hasRecurrence()const {
     if (!data->recur ) return false;
     return data->recur->doesRecur();
 }
 QString OEvent::note()const {
     return data->note;
 }
 void OEvent::setNote( const QString& note ) {
     changeOrModify();
     data->note = note;
 }
 QDateTime OEvent::createdDateTime()const {
     return data->created;
 }
 void OEvent::setCreatedDateTime( const QDateTime& time ) {
     changeOrModify();
     data->created = time;
 }
 QDateTime OEvent::startDateTime()const {
     if ( data->isAllDay )
         return QDateTime( data->start.date(), QTime(0, 0, 0 ) );
     return data->start;
 }
 QDateTime OEvent::startDateTimeInZone()const {
     /* if no timezone, or all day event or if the current and this timeZone match... */
     if (data->timezone.isEmpty() || data->isAllDay || data->timezone == OTimeZone::current().timeZone() ) return startDateTime();
 
     OTimeZone zone(data->timezone  );
     return zone.toDateTime( data->start, OTimeZone::current() );
 }
 void OEvent::setStartDateTime( const QDateTime& dt ) {
     changeOrModify();
     data->start = dt;
 }
 QDateTime OEvent::endDateTime()const {
     /*
      * if all Day event the end time needs
      * to be on the same day as the start
      */
     if ( data->isAllDay )
         return QDateTime( data->start.date(), QTime(23, 59, 59 ) );
     return data->end;
 }
 QDateTime OEvent::endDateTimeInZone()const {
     /* if no timezone, or all day event or if the current and this timeZone match... */
     if (data->timezone.isEmpty() || data->isAllDay || data->timezone == OTimeZone::current().timeZone() ) return endDateTime();
 
     OTimeZone zone(data->timezone  );
     return zone.toDateTime( data->end, OTimeZone::current() );
 }
 void OEvent::setEndDateTime( const QDateTime& dt ) {
     changeOrModify();
     data->end =    dt;
 }
 bool OEvent::isMultipleDay()const {
     return data->end.date().day() - data->start.date().day();
 }
 bool OEvent::isAllDay()const {
     return data->isAllDay;
 }
 void OEvent::setAllDay( bool allDay ) {
     changeOrModify();
     data->isAllDay = allDay;
     if (allDay ) data->timezone = "UTC";
 }
 void OEvent::setTimeZone( const QString& tz ) {
     changeOrModify();
     data->timezone = tz;
 }
 QString OEvent::timeZone()const {
+    if (data->isAllDay ) return QString::fromLatin1("UTC");
     return data->timezone;
 }
 bool OEvent::match( const QRegExp& )const {
     // FIXME
     return false;
 }
 QString OEvent::toRichText()const {
     // FIXME
     return "OEvent test";
 }
 QString OEvent::toShortText()const {
     return "OEvent shotText";
 }
 QString OEvent::type()const {
     return QString::fromLatin1("OEvent");
 }
 QString OEvent::recordField( int /*id */ )const {
     return QString::null;
 }
 int OEvent::rtti() {
     return OPimResolver::DateBook;
 }
 bool OEvent::loadFromStream( QDataStream& ) {
     return true;
 }
 bool OEvent::saveToStream( QDataStream& )const {
     return true;
 }
 void OEvent::changeOrModify() {
     if ( data->count != 1 ) {
         data->deref();
         Data* d2 = new Data;
         d2->description = data->description;
         d2->location = data->location;
         d2->manager = data->manager;
         d2->recur = data->recur;
         d2->note = data->note;
         d2->created = data->created;
         d2->start = data->start;
         d2->end = data->end;
         d2->isAllDay = data->isAllDay;
         d2->timezone = data->timezone;
+        d2->parent = data->parent;
+        d2->child = data->child;
+
+        if (d2->child )
+            d2->child->detach();
 
         data = d2;
     }
 }
 void OEvent::deref() {
     if ( data->deref() ) {
         delete data;
         data = 0;
     }
 }
 // FIXME
 QMap<int, QString> OEvent::toMap()const {
     return QMap<int, QString>();
 }
 QMap<QString, QString> OEvent::toExtraMap()const {
     return QMap<QString, QString>();
 }
+int OEvent::parent()const {
+    return data->parent;
+}
+void OEvent::setParent( int uid ) {
+    changeOrModify();
+    data->parent = uid;
+}
+QArray<int> OEvent::children() const{
+    if (!data->child) return QArray<int>();
+    else
+        return data->child->copy();
+}
+void OEvent::setChildren( const QArray<int>& arr ) {
+    changeOrModify();
+    if (data->child) delete data->child;
 
-
+    data->child = new QArray<int>( arr );
+    data->child->detach();
+}
+void OEvent::addChild( int uid ) {
+    changeOrModify();
+    if (!data->child ) {
+        data->child = new QArray<int>(1);
+        (*data->child)[0] = uid;
+    }else{
+        int count = data->child->count();
+        data->child->resize( count + 1 );
+        (*data->child)[count] = uid;
+    }
+}
+void OEvent::removeChild( int uid ) {
+    if (!data->child || !data->child->contains( uid ) ) return;
+    changeOrModify();
+    QArray<int> newAr( data->child->count() - 1 );
+    int j = 0;
+    uint count = data->child->count();
+    for ( uint i = 0; i < count; i++ ) {
+        if ( (*data->child)[i] != uid ) {
+            newAr[j] = (*data->child)[i];
+            j++;
+        }
+    }
+    (*data->child) = newAr;
+}
 struct OEffectiveEvent::Data : public QShared {
     Data() : QShared() {
     }
     OEvent event;
     QDate date;
     QTime start, end;
     QDate startDate, endDate;
     bool dates : 1;
 };
 
 OEffectiveEvent::OEffectiveEvent() {
     data = new Data;
     data->date = QDate::currentDate();
     data->start = data->end = QTime::currentTime();
     data->dates = false;
 }
 OEffectiveEvent::OEffectiveEvent( const OEvent& ev, const QDate& startDate,
                                   Position pos ) {
     data = new Data;
     data->event = ev;
     data->date = startDate;
     if ( pos & Start )
         data->start = ev.startDateTime().time();
     else
         data->start = QTime( 0, 0, 0 );
 
     if ( pos & End )
         data->end = ev.endDateTime().time();
     else
         data->end = QTime( 23, 59, 59 );
 
     data->dates = false;
 }
 OEffectiveEvent::OEffectiveEvent( const OEffectiveEvent& ev) {
     data = ev.data;
     data->ref();
 }
 OEffectiveEvent::~OEffectiveEvent() {
     if ( data->deref() ) {
         delete data;
         data = 0;
     }
 }
 OEffectiveEvent& OEffectiveEvent::operator=( const OEffectiveEvent& ev ) {
     if ( *this == ev ) return  *this;
 
     ev.data->ref();
     deref();
diff --git a/libopie2/opiepim/oevent.h b/libopie2/opiepim/oevent.h
index c718e2e..585515c 100644
--- a/libopie2/opiepim/oevent.h
+++ b/libopie2/opiepim/oevent.h
@@ -16,135 +16,143 @@
 struct OCalendarHelper {
     /** calculate the week number of the date */
     static int week( const QDate& );
     /** calculate the occurence of week days since the start of the month */
     static int ocurrence( const QDate& );
 
     // returns the dayOfWeek for the *first* day it finds (ignores
     // any further days!). Returns 1 (Monday) if there isn't any day found
     static int dayOfWeek( char day );
 
     /** returns the diff of month */
     static int monthDiff( const QDate& first, const QDate& second );
 
 };
 
 class OPimNotifyManager;
 class ORecur;
 class OEvent : public OPimRecord {
 public:
     typedef QValueList<OEvent> ValueList;
     enum RecordFields {
         Uid = Qtopia::UID_ID,
         Category = Qtopia::CATEGORY_ID,
         Description,
         Location,
         Alarm,
         Reminder,
         Recurrence,
         Note,
         Created,
         StartDate,
         EndDate,
         AllDay,
         TimeZone
     };
 
     OEvent(int uid = 0);
     OEvent( const OEvent& );
     ~OEvent();
     OEvent &operator=( const OEvent& );
 
     QString description()const;
     void setDescription( const QString& description );
 
     QString location()const;
     void setLocation( const QString& loc );
 
     bool hasNotifiers()const;
-    OPimNotifyManager &notifiers();
+    OPimNotifyManager &notifiers()const;
 
     ORecur recurrence()const;
     void setRecurrence( const ORecur& );
     bool hasRecurrence()const;
 
     QString note()const;
     void setNote( const QString& note );
 
 
     QDateTime createdDateTime()const;
     void setCreatedDateTime( const QDateTime& dt);
 
     /** set the date to dt. dt is the QDateTime in localtime */
     void setStartDateTime( const QDateTime& );
     /** returns the datetime in the local timeZone */
     QDateTime startDateTime()const;
 
     /** returns the start datetime in the current zone */
     QDateTime startDateTimeInZone()const;
 
     /** in current timezone */
     void setEndDateTime( const QDateTime& );
     /** in current timezone */
     QDateTime endDateTime()const;
     QDateTime endDateTimeInZone()const;
 
     bool isMultipleDay()const;
     bool isAllDay()const;
     void setAllDay( bool isAllDay );
 
     /* pin this event to a timezone! FIXME */
     void setTimeZone( const QString& timeZone );
     QString timeZone()const;
 
 
     bool match( const QRegExp& )const;
 
+    /** For exception to recurrence here is a list of children...  */
+    QArray<int> children()const;
+    void setChildren( const QArray<int>& );
+    void addChild( int uid );
+    void removeChild( int uid );
 
+    /** return the parent OEvent */
+    int parent()const;
+    void setParent( int uid );
 
 
     /* needed reimp */
     QString toRichText()const;
     QString toShortText()const;
     QString type()const;
 
     QMap<int, QString> toMap()const;
     QMap<QString, QString> toExtraMap()const;
     QString recordField(int )const;
 
     static int rtti();
 
     bool loadFromStream( QDataStream& );
     bool saveToStream( QDataStream& )const;
 
 /*    bool operator==( const OEvent& );
     bool operator!=( const OEvent& );
     bool operator<( const OEvent& );
     bool operator<=( const OEvent& );
     bool operator>( const OEvent& );
     bool operator>=(const OEvent& );
 */
 private:
     inline void changeOrModify();
     void deref();
     struct Data;
     Data* data;
     class Private;
     Private* priv;
 
 };
 
 /**
  * AN Event can span through multiple days. We split up a multiday eve
  */
 
 class OEffectiveEvent {
 public:
     typedef QValueList<OEffectiveEvent> ValueList;
     enum Position { MidWay, Start, End, StartEnd };
         // If we calculate the effective event of a multi-day event
     // we have to figure out whether we are at the first day,
     // at the end, or anywhere else ("middle"). This is important
     // for the start/end times (00:00/23:59)
     // MidWay: 00:00 -> 23:59, as we are "in the middle" of a multi-
     //         day event
     // Start: start time -> 23:59