-Fix hasRecurrence()

-Add the Access(Backend) of DateBook

13 files changed, 580 insertions, 64 deletions

diff --git a/libopie/libopie.pro b/libopie/libopie.pro
index 2b843c1..70399ea 100644
--- a/libopie/libopie.pro
+++ b/libopie/libopie.pro
@@ -17,85 +17,89 @@ HEADERS   = ofontmenu.h \
     pim/opimaccesstemplate.h \
     pim/opimaccessbackend.h \
     pim/otodoaccess.h \
     pim/otodoaccessbackend.h \
     pim/ocontact.h \
     pim/ocontactaccess.h \
     pim/ocontactaccessbackend.h \
     pim/ocontactaccessbackend_xml.h \
     pim/ocontactaccessbackend_vcard.h \
     pim/obackendfactory.h \
     pim/opimcache.h \ 
     pim/otodoaccessvcal.h \
     pim/orecur.h \
     pim/opimstate.h \
     pim/opimxrefpartner.h \
     pim/opimxref.h \
     pim/opimxrefmanager.h \
     pim/opimmaintainer.h \
     pim/opimnotify.h \
     pim/opimnotifymanager.h \
     pim/opimmainwindow.h \
     pim/opimresolver.h \
     pim/oevent.h \
     pim/otimezone.h \
+    pim/odatebookaccess.h \
+    pim/odatebookaccessbackend.h \
     orecurrancewidget.h \
     oticker.h 
 #    pim/otodoaccesssql.h \
 
 SOURCES   = ofontmenu.cc  \
         ocolorbutton.cpp \
         sharp_compat.cpp \
       xmltree.cc \
       ofiledialog.cc ofileselector.cc \
             ocheckitem.cpp  \
       colordialog.cpp \
       colorpopupmenu.cpp oclickablelabel.cpp \
       oprocctrl.cpp oprocess.cpp \
       odevice.cpp odevicebutton.cpp otimepicker.cpp \
        otabwidget.cpp otabbar.cpp \
              ofontselector.cpp \
              pim/otodo.cpp \
              pim/opimrecord.cpp \
        pim/otodoaccess.cpp \
        pim/otodoaccessbackend.cpp \
              pim/otodoaccessxml.cpp \
              pim/ocontact.cpp \
              pim/ocontactaccess.cpp \
              pim/ocontactaccessbackend_vcard.cpp \
        pim/otodoaccessvcal.cpp \
        pim/orecur.cpp \
        pim/opimstate.cpp \
        pim/opimxrefpartner.cpp \
        pim/opimxref.cpp \
        pim/opimxrefmanager.cpp \
        pim/opimmaintainer.cpp \
        pim/opimnotify.cpp \
        pim/opimnotifymanager.cpp \
        pim/opimmainwindow.cpp \
        pim/opimresolver.cpp \
        pim/oevent.cpp \
        pim/otimezone.cpp \
+       pim/odatebookaccess.cpp \
+       pim/odatebookaccessbackend.cpp \
        orecurrancewidget.cpp \
        oticker.cpp
 #             pim/otodoaccesssql.cpp \
 
 TARGET    = opie
 INCLUDEPATH += $(OPIEDIR)/include
 DESTDIR      = $(OPIEDIR)/lib$(PROJMAK)
 #VERSION = 1.0.0
 
 LIBS += -lqpe
 
 # LIBS            += -lopiesql
 
 INTERFACES      = otimepickerbase.ui orecurrancebase.ui
 
 TRANSLATIONS = ../i18n/de/libopie.ts \
 	 ../i18n/xx/libopie.ts \
    ../i18n/en/libopie.ts \
    ../i18n/es/libopie.ts \
    ../i18n/fr/libopie.ts \
    ../i18n/hu/libopie.ts \
    ../i18n/ja/libopie.ts \
    ../i18n/ko/libopie.ts \
    ../i18n/no/libopie.ts \
diff --git a/libopie/pim/odatebookaccess.cpp b/libopie/pim/odatebookaccess.cpp
new file mode 100644
index 0000000..5f97e7c
--- a/dev/null
+++ b/libopie/pim/odatebookaccess.cpp
@@ -0,0 +1,37 @@
+#include "obackendfactory.h"
+#include "odatebookaccess.h"
+
+ODateBookAccess::ODateBookAccess( ODateBookAccessBackend* back, enum Access ac )
+    : OPimAccessTemplate<OEvent>( back )
+{
+    if (!back )
+        back = OBackendFactory<ODateBookAccessBackend>::Default("datebook", QString::null );
+
+    m_backEnd = back;
+}
+ODateBookAccess::~ODateBookAccess() {
+}
+ODateBookAccess::List ODateBookAccess::rawEvents()const {
+    QArray<int> ints = m_backEnd->rawEvents();
+
+    List lis( ints, this );
+    return lis;
+}
+ODateBookAccess::List ODateBookAccess::rawRepeats()const {
+    QArray<int> ints = m_backEnd->rawRepeats();
+
+    List lis( ints, this );
+    return lis;
+}
+ODateBookAccess::List ODateBookAccess::nonRepeats()const {
+    QArray<int> ints = m_backEnd->nonRepeats();
+
+    List lis( ints, this );
+    return lis;
+}
+OEffectiveEvent::ValueList ODateBookAccess::effecticeEvents( const QDate& from, const QDate& to ) {
+    return m_backEnd->effecticeEvents( from, to );
+}
+OEffectiveEvent::ValueList ODateBookAccess::effecticeEvents( const QDateTime& start ) {
+    return m_backEnd->effecticeEvents( start );
+}
diff --git a/libopie/pim/odatebookaccess.h b/libopie/pim/odatebookaccess.h
new file mode 100644
index 0000000..3f2c728
--- a/dev/null
+++ b/libopie/pim/odatebookaccess.h
@@ -0,0 +1,32 @@
+#ifndef OPIE_DATE_BOOK_ACCESS_H
+#define OPIE_DATE_BOOK_ACCESS_H
+
+#include "odatebookaccessbackend.h"
+#include "opimaccesstemplate.h"
+
+#include "oevent.h"
+
+class ODateBookAccess : public OPimAccessTemplate<OEvent> {
+public:
+    ODateBookAccess( ODateBookAccessBackend* = 0l, enum Access acc = Random );
+    ~ODateBookAccess();
+
+    /** return all events */
+    List rawEvents()const;
+
+    /** return repeating events */
+    List rawRepeats()const;
+
+    /** return non repeating events */
+    List nonRepeats()const;
+
+    OEffectiveEvent::ValueList effecticeEvents( const QDate& from, const QDate& to );
+    OEffectiveEvent::ValueList effecticeEvents( const QDateTime& start );
+
+private:
+    ODateBookAccessBackend* m_backEnd;
+    class Private;
+    Private* d;
+};
+
+#endif
diff --git a/libopie/pim/odatebookaccessbackend.cpp b/libopie/pim/odatebookaccessbackend.cpp
new file mode 100644
index 0000000..8fa1a68
--- a/dev/null
+++ b/libopie/pim/odatebookaccessbackend.cpp
@@ -0,0 +1,156 @@
+#include <qtl.h>
+
+#include "orecur.h"
+
+#include "odatebookaccessbackend.h"
+
+namespace {
+/* a small helper to get all NonRepeating events for a range of time */
+    void events( OEffectiveEvent::ValueList& tmpList, const OEvent::ValueList& events,
+                 const QDate& from, const QDate& to ) {
+        QDateTime dtStart, dtEnd;
+
+        for ( OEvent::ValueList::ConstIterator it = events.begin(); it != events.end(); ++it ) {
+            dtStart = (*it).startDateTime();
+            dtEnd   = (*it).endDateTime();
+
+            /*
+             * If in range
+             */
+            if (dtStart.date() >= from && dtEnd.date() <= to ) {
+                OEffectiveEvent eff;
+                eff.setEvent( (*it) );
+                eff.setDate( dtStart.date() );
+                eff.setStartTime( dtStart.time() );
+
+                /* if not on the same day */
+                if ( dtStart.date() != dtEnd.date() )
+                    eff.setEndTime( QTime(23, 59, 0 ) );
+                else
+                    eff.setEndTime( dtEnd.time() );
+
+                tmpList.append( eff );
+            }
+
+            /* we must also check for end date information... */
+            if ( dtEnd.date() != dtStart.date() && dtEnd.date() >= from ) {
+                QDateTime dt = dtStart.addDays( 1 );
+                dt.setTime( QTime(0, 0, 0 ) );
+                QDateTime dtStop;
+                if ( dtEnd > to )
+                    dtStop = to;
+                else
+                    dtStop = dtEnd;
+
+                while ( dt <= dtStop ) {
+                    OEffectiveEvent eff;
+                    eff.setEvent( (*it) );
+                    eff.setDate( dt.date() );
+
+                    if ( dt >= from ) {
+                        eff.setStartTime( QTime(0, 0, 0 ) );
+                        if ( dt.date() == dtEnd.date() )
+                            eff.setEndTime( dtEnd.time() );
+                        else
+                            eff.setEndTime( QTime(23, 59, 0 ) );
+                        tmpList.append( eff );
+                    }
+                    dt = dt.addDays( 1 );
+                }
+            }
+        }
+    }
+
+    void repeat( OEffectiveEvent::ValueList& tmpList, const OEvent::ValueList& list,
+                 const QDate& from, const QDate& to ) {
+        QDate repeat;
+        for ( OEvent::ValueList::ConstIterator it = list.begin(); it != list.end(); ++it ) {
+            int dur = (*it).startDateTime().date().daysTo( (*it).endDateTime().date() );
+            QDate itDate = from.addDays(-dur );
+            ORecur rec = (*it).recurrence();
+            if ( !rec.hasEndDate() || rec.endDate() > to ) {
+                rec.setEndDate( to );
+                rec.setHasEndDate( true );
+            }
+            while (rec.nextOcurrence(itDate, repeat ) ) {
+                if (repeat > to ) break;
+                OEffectiveEvent eff;
+                eff.setDate( repeat );
+                if ( (*it).isAllDay() ) {
+                    eff.setStartTime( QTime(0, 0, 0 ) );
+                    eff.setEndTime( QTime(23, 59, 59 ) );
+                }else {
+                    /* we only occur by days, not hours/minutes/seconds.  Hence
+                     * the actual end and start times will be the same for
+                     * every repeated event.  For multi day events this is
+                     * fixed up later if on wronge day span
+                     */
+                    eff.setStartTime( (*it).startDateTime().time() );
+                    eff.setEndTime( (*it).endDateTime().time() );
+                }
+                if ( dur != 0 ) {
+                    // multi-day repeating events
+                    QDate sub_it = QMAX( repeat, from );
+                    QDate startDate = repeat;
+                    QDate endDate = startDate.addDays( dur );
+
+                    while ( sub_it <= endDate && sub_it <= to ) {
+                        OEffectiveEvent tmpEff = eff;
+                        tmpEff.setEvent( (*it) );
+                        if ( sub_it != startDate )
+                            tmpEff.setStartTime( QTime(0, 0, 0 ) );
+                        if ( sub_it != endDate )
+                            tmpEff.setEndTime( QTime( 23, 59, 59 ) );
+
+                        tmpEff.setDate( sub_it );
+                        tmpEff.setEffectiveDates( startDate, endDate );
+                        tmpList.append( tmpEff );
+
+                        sub_it = sub_it.addDays( 1 );
+                    }
+                    itDate = endDate;
+                }else {
+                    eff.setEvent( (*it) );
+                    tmpList.append( eff );
+                    itDate = repeat.addDays( 1 );
+                }
+            }
+        }
+    }
+}
+
+ODateBookAccessBackend::ODateBookAccessBackend()
+    : OPimAccessBackend<OEvent>()
+{
+
+}
+ODateBookAccessBackend::~ODateBookAccessBackend() {
+
+}
+OEffectiveEvent::ValueList ODateBookAccessBackend::effecticeEvents( const QDate& from,
+                                                                    const QDate& to ) {
+    OEffectiveEvent::ValueList tmpList;
+    OEvent::ValueList list = directNonRepeats();
+
+    events( tmpList, list, from, to );
+    repeat( tmpList, directRawRepeats(),from,to );
+
+    list = directRawRepeats();
+
+    qHeapSort( tmpList );
+    return tmpList;
+}
+OEffectiveEvent::ValueList ODateBookAccessBackend::effecticeEvents( const QDateTime& dt ) {
+    OEffectiveEvent::ValueList day = effecticeEvents( dt.date(), dt.date() );
+    OEffectiveEvent::ValueList::Iterator it;
+
+    OEffectiveEvent::ValueList tmpList;
+    QDateTime dtTmp;
+    for ( it = day.begin(); it != day.end(); ++it ) {
+        dtTmp = QDateTime( (*it).date(), (*it).startTime() );
+        if ( QABS(dt.secsTo(dtTmp) ) < 60 )
+            tmpList.append( (*it) );
+    }
+
+    return tmpList;
+}
diff --git a/libopie/pim/odatebookaccessbackend.h b/libopie/pim/odatebookaccessbackend.h
new file mode 100644
index 0000000..eb6e8fb
--- a/dev/null
+++ b/libopie/pim/odatebookaccessbackend.h
@@ -0,0 +1,32 @@
+#ifndef OPIE_DATE_BOOK_ACCESS_BACKEND_H
+#define OPIE_DATE_BOOK_ACCESS_BACKEND_H
+
+#include <qarray.h>
+
+#include "opimaccessbackend.h"
+#include "oevent.h"
+
+class ODateBookAccessBackend : public OPimAccessBackend<OEvent> {
+public:
+    typedef int UID;
+    ODateBookAccessBackend();
+    ~ODateBookAccessBackend();
+
+    virtual QArray<UID> rawEvents()const = 0;
+    virtual QArray<UID> rawRepeats()const = 0;
+    virtual QArray<UID> nonRepeats() const = 0;
+
+    /**
+     * these two methods are used if you do not implement
+     * effectiveEvents...
+     */
+    virtual OEvent::ValueList directNonRepeats() = 0;
+    virtual OEvent::ValueList directRawRepeats() = 0;
+
+    /* is implemented by default but you can reimplement it*/
+    virtual OEffectiveEvent::ValueList effecticeEvents( const QDate& from, const QDate& to );
+    virtual OEffectiveEvent::ValueList effecticeEvents( const QDateTime& start );
+
+};
+
+#endif
diff --git a/libopie/pim/oevent.cpp b/libopie/pim/oevent.cpp
index 71b9441..aaae3b2 100644
--- a/libopie/pim/oevent.cpp
+++ b/libopie/pim/oevent.cpp
@@ -1,66 +1,64 @@
 #include <qshared.h>
 
 #include <qpe/palmtopuidgen.h>
 #include <qpe/categories.h>
 
 #include "orecur.h"
 #include "opimresolver.h"
 #include "opimnotifymanager.h"
 
 #include "oevent.h"
 
-namespace OCalendarHelper {
-    static int 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;
+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;
+    week += ( date.day() - 1 ) / 7;
 
-        return week;
-    }
-    static int occurence( 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;
-    }
-    static int dayOfWeek( char day ) {
-        int dayOfWeek = 1;
-        char i = ORecur::MON;
-        while ( !( i & day ) && i <= ORecur::SUN ) {
-            i <<= 1;
-            ++dayOfWeek;
-        }
-        return dayOfWeek;
-    }
-    static int monthDiff( const QDate& first, const QDate& second ) {
-        return ( second.year() - first.year() ) * 12 +
-            second.month() - first.month();
+    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() {
         recur = 0;
         manager = 0;
         isAllDay = false;
     }
     ~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;
 };
 
@@ -109,49 +107,50 @@ OPimNotifyManager &OEvent::notifiers() {
     // 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);
 }
 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 {
-    return data->recur;
+    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();
 
diff --git a/libopie/pim/oevent.h b/libopie/pim/oevent.h
index 4489be7..c718e2e 100644
--- a/libopie/pim/oevent.h
+++ b/libopie/pim/oevent.h
@@ -1,53 +1,53 @@
 // CONTAINS GPLed code of TT
 
 #ifndef OPIE_PIM_EVENT_H
 #define OPIE_PIM_EVENT_H
 
 #include <qstring.h>
 #include <qdatetime.h>
 #include <qvaluelist.h>
 
 #include <qpe/recordfields.h>
 #include <qpe/palmtopuidgen.h>
 
 #include "otimezone.h"
 #include "opimrecord.h"
 
-namespace OCalendarHelper {
+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& );
@@ -118,49 +118,49 @@ public:
 
 /*    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:
-    QValueList<OEffectiveEvent> ValueList;
+    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
     // End: 00:00 -> end time
     // Start | End == StartEnd: for single-day events (default)
     //                          here we draw start time -> end time
     OEffectiveEvent();
     OEffectiveEvent( const OEvent& event, const QDate& startDate, Position pos = StartEnd );
     OEffectiveEvent( const OEffectiveEvent& );
     OEffectiveEvent &operator=(const OEffectiveEvent& );
     ~OEffectiveEvent();
 
     void setStartTime( const QTime& );
     void setEndTime( const QTime& );
     void setEvent( const OEvent& );
     void setDate( const QDate& );
 
     void setEffectiveDates( const QDate& from, const QDate& to );
 
diff --git a/libopie2/opiepim/backend/odatebookaccessbackend.cpp b/libopie2/opiepim/backend/odatebookaccessbackend.cpp
new file mode 100644
index 0000000..8fa1a68
--- a/dev/null
+++ b/libopie2/opiepim/backend/odatebookaccessbackend.cpp
@@ -0,0 +1,156 @@
+#include <qtl.h>
+
+#include "orecur.h"
+
+#include "odatebookaccessbackend.h"
+
+namespace {
+/* a small helper to get all NonRepeating events for a range of time */
+    void events( OEffectiveEvent::ValueList& tmpList, const OEvent::ValueList& events,
+                 const QDate& from, const QDate& to ) {
+        QDateTime dtStart, dtEnd;
+
+        for ( OEvent::ValueList::ConstIterator it = events.begin(); it != events.end(); ++it ) {
+            dtStart = (*it).startDateTime();
+            dtEnd   = (*it).endDateTime();
+
+            /*
+             * If in range
+             */
+            if (dtStart.date() >= from && dtEnd.date() <= to ) {
+                OEffectiveEvent eff;
+                eff.setEvent( (*it) );
+                eff.setDate( dtStart.date() );
+                eff.setStartTime( dtStart.time() );
+
+                /* if not on the same day */
+                if ( dtStart.date() != dtEnd.date() )
+                    eff.setEndTime( QTime(23, 59, 0 ) );
+                else
+                    eff.setEndTime( dtEnd.time() );
+
+                tmpList.append( eff );
+            }
+
+            /* we must also check for end date information... */
+            if ( dtEnd.date() != dtStart.date() && dtEnd.date() >= from ) {
+                QDateTime dt = dtStart.addDays( 1 );
+                dt.setTime( QTime(0, 0, 0 ) );
+                QDateTime dtStop;
+                if ( dtEnd > to )
+                    dtStop = to;
+                else
+                    dtStop = dtEnd;
+
+                while ( dt <= dtStop ) {
+                    OEffectiveEvent eff;
+                    eff.setEvent( (*it) );
+                    eff.setDate( dt.date() );
+
+                    if ( dt >= from ) {
+                        eff.setStartTime( QTime(0, 0, 0 ) );
+                        if ( dt.date() == dtEnd.date() )
+                            eff.setEndTime( dtEnd.time() );
+                        else
+                            eff.setEndTime( QTime(23, 59, 0 ) );
+                        tmpList.append( eff );
+                    }
+                    dt = dt.addDays( 1 );
+                }
+            }
+        }
+    }
+
+    void repeat( OEffectiveEvent::ValueList& tmpList, const OEvent::ValueList& list,
+                 const QDate& from, const QDate& to ) {
+        QDate repeat;
+        for ( OEvent::ValueList::ConstIterator it = list.begin(); it != list.end(); ++it ) {
+            int dur = (*it).startDateTime().date().daysTo( (*it).endDateTime().date() );
+            QDate itDate = from.addDays(-dur );
+            ORecur rec = (*it).recurrence();
+            if ( !rec.hasEndDate() || rec.endDate() > to ) {
+                rec.setEndDate( to );
+                rec.setHasEndDate( true );
+            }
+            while (rec.nextOcurrence(itDate, repeat ) ) {
+                if (repeat > to ) break;
+                OEffectiveEvent eff;
+                eff.setDate( repeat );
+                if ( (*it).isAllDay() ) {
+                    eff.setStartTime( QTime(0, 0, 0 ) );
+                    eff.setEndTime( QTime(23, 59, 59 ) );
+                }else {
+                    /* we only occur by days, not hours/minutes/seconds.  Hence
+                     * the actual end and start times will be the same for
+                     * every repeated event.  For multi day events this is
+                     * fixed up later if on wronge day span
+                     */
+                    eff.setStartTime( (*it).startDateTime().time() );
+                    eff.setEndTime( (*it).endDateTime().time() );
+                }
+                if ( dur != 0 ) {
+                    // multi-day repeating events
+                    QDate sub_it = QMAX( repeat, from );
+                    QDate startDate = repeat;
+                    QDate endDate = startDate.addDays( dur );
+
+                    while ( sub_it <= endDate && sub_it <= to ) {
+                        OEffectiveEvent tmpEff = eff;
+                        tmpEff.setEvent( (*it) );
+                        if ( sub_it != startDate )
+                            tmpEff.setStartTime( QTime(0, 0, 0 ) );
+                        if ( sub_it != endDate )
+                            tmpEff.setEndTime( QTime( 23, 59, 59 ) );
+
+                        tmpEff.setDate( sub_it );
+                        tmpEff.setEffectiveDates( startDate, endDate );
+                        tmpList.append( tmpEff );
+
+                        sub_it = sub_it.addDays( 1 );
+                    }
+                    itDate = endDate;
+                }else {
+                    eff.setEvent( (*it) );
+                    tmpList.append( eff );
+                    itDate = repeat.addDays( 1 );
+                }
+            }
+        }
+    }
+}
+
+ODateBookAccessBackend::ODateBookAccessBackend()
+    : OPimAccessBackend<OEvent>()
+{
+
+}
+ODateBookAccessBackend::~ODateBookAccessBackend() {
+
+}
+OEffectiveEvent::ValueList ODateBookAccessBackend::effecticeEvents( const QDate& from,
+                                                                    const QDate& to ) {
+    OEffectiveEvent::ValueList tmpList;
+    OEvent::ValueList list = directNonRepeats();
+
+    events( tmpList, list, from, to );
+    repeat( tmpList, directRawRepeats(),from,to );
+
+    list = directRawRepeats();
+
+    qHeapSort( tmpList );
+    return tmpList;
+}
+OEffectiveEvent::ValueList ODateBookAccessBackend::effecticeEvents( const QDateTime& dt ) {
+    OEffectiveEvent::ValueList day = effecticeEvents( dt.date(), dt.date() );
+    OEffectiveEvent::ValueList::Iterator it;
+
+    OEffectiveEvent::ValueList tmpList;
+    QDateTime dtTmp;
+    for ( it = day.begin(); it != day.end(); ++it ) {
+        dtTmp = QDateTime( (*it).date(), (*it).startTime() );
+        if ( QABS(dt.secsTo(dtTmp) ) < 60 )
+            tmpList.append( (*it) );
+    }
+
+    return tmpList;
+}
diff --git a/libopie2/opiepim/backend/odatebookaccessbackend.h b/libopie2/opiepim/backend/odatebookaccessbackend.h
new file mode 100644
index 0000000..eb6e8fb
--- a/dev/null
+++ b/libopie2/opiepim/backend/odatebookaccessbackend.h
@@ -0,0 +1,32 @@
+#ifndef OPIE_DATE_BOOK_ACCESS_BACKEND_H
+#define OPIE_DATE_BOOK_ACCESS_BACKEND_H
+
+#include <qarray.h>
+
+#include "opimaccessbackend.h"
+#include "oevent.h"
+
+class ODateBookAccessBackend : public OPimAccessBackend<OEvent> {
+public:
+    typedef int UID;
+    ODateBookAccessBackend();
+    ~ODateBookAccessBackend();
+
+    virtual QArray<UID> rawEvents()const = 0;
+    virtual QArray<UID> rawRepeats()const = 0;
+    virtual QArray<UID> nonRepeats() const = 0;
+
+    /**
+     * these two methods are used if you do not implement
+     * effectiveEvents...
+     */
+    virtual OEvent::ValueList directNonRepeats() = 0;
+    virtual OEvent::ValueList directRawRepeats() = 0;
+
+    /* is implemented by default but you can reimplement it*/
+    virtual OEffectiveEvent::ValueList effecticeEvents( const QDate& from, const QDate& to );
+    virtual OEffectiveEvent::ValueList effecticeEvents( const QDateTime& start );
+
+};
+
+#endif
diff --git a/libopie2/opiepim/core/odatebookaccess.cpp b/libopie2/opiepim/core/odatebookaccess.cpp
new file mode 100644
index 0000000..5f97e7c
--- a/dev/null
+++ b/libopie2/opiepim/core/odatebookaccess.cpp
@@ -0,0 +1,37 @@
+#include "obackendfactory.h"
+#include "odatebookaccess.h"
+
+ODateBookAccess::ODateBookAccess( ODateBookAccessBackend* back, enum Access ac )
+    : OPimAccessTemplate<OEvent>( back )
+{
+    if (!back )
+        back = OBackendFactory<ODateBookAccessBackend>::Default("datebook", QString::null );
+
+    m_backEnd = back;
+}
+ODateBookAccess::~ODateBookAccess() {
+}
+ODateBookAccess::List ODateBookAccess::rawEvents()const {
+    QArray<int> ints = m_backEnd->rawEvents();
+
+    List lis( ints, this );
+    return lis;
+}
+ODateBookAccess::List ODateBookAccess::rawRepeats()const {
+    QArray<int> ints = m_backEnd->rawRepeats();
+
+    List lis( ints, this );
+    return lis;
+}
+ODateBookAccess::List ODateBookAccess::nonRepeats()const {
+    QArray<int> ints = m_backEnd->nonRepeats();
+
+    List lis( ints, this );
+    return lis;
+}
+OEffectiveEvent::ValueList ODateBookAccess::effecticeEvents( const QDate& from, const QDate& to ) {
+    return m_backEnd->effecticeEvents( from, to );
+}
+OEffectiveEvent::ValueList ODateBookAccess::effecticeEvents( const QDateTime& start ) {
+    return m_backEnd->effecticeEvents( start );
+}
diff --git a/libopie2/opiepim/core/odatebookaccess.h b/libopie2/opiepim/core/odatebookaccess.h
new file mode 100644
index 0000000..3f2c728
--- a/dev/null
+++ b/libopie2/opiepim/core/odatebookaccess.h
@@ -0,0 +1,32 @@
+#ifndef OPIE_DATE_BOOK_ACCESS_H
+#define OPIE_DATE_BOOK_ACCESS_H
+
+#include "odatebookaccessbackend.h"
+#include "opimaccesstemplate.h"
+
+#include "oevent.h"
+
+class ODateBookAccess : public OPimAccessTemplate<OEvent> {
+public:
+    ODateBookAccess( ODateBookAccessBackend* = 0l, enum Access acc = Random );
+    ~ODateBookAccess();
+
+    /** return all events */
+    List rawEvents()const;
+
+    /** return repeating events */
+    List rawRepeats()const;
+
+    /** return non repeating events */
+    List nonRepeats()const;
+
+    OEffectiveEvent::ValueList effecticeEvents( const QDate& from, const QDate& to );
+    OEffectiveEvent::ValueList effecticeEvents( const QDateTime& start );
+
+private:
+    ODateBookAccessBackend* m_backEnd;
+    class Private;
+    Private* d;
+};
+
+#endif
diff --git a/libopie2/opiepim/oevent.cpp b/libopie2/opiepim/oevent.cpp
index 71b9441..aaae3b2 100644
--- a/libopie2/opiepim/oevent.cpp
+++ b/libopie2/opiepim/oevent.cpp
@@ -1,66 +1,64 @@
 #include <qshared.h>
 
 #include <qpe/palmtopuidgen.h>
 #include <qpe/categories.h>
 
 #include "orecur.h"
 #include "opimresolver.h"
 #include "opimnotifymanager.h"
 
 #include "oevent.h"
 
-namespace OCalendarHelper {
-    static int 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;
+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;
+    week += ( date.day() - 1 ) / 7;
 
-        return week;
-    }
-    static int occurence( 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;
-    }
-    static int dayOfWeek( char day ) {
-        int dayOfWeek = 1;
-        char i = ORecur::MON;
-        while ( !( i & day ) && i <= ORecur::SUN ) {
-            i <<= 1;
-            ++dayOfWeek;
-        }
-        return dayOfWeek;
-    }
-    static int monthDiff( const QDate& first, const QDate& second ) {
-        return ( second.year() - first.year() ) * 12 +
-            second.month() - first.month();
+    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() {
         recur = 0;
         manager = 0;
         isAllDay = false;
     }
     ~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;
 };
 
@@ -109,49 +107,50 @@ OPimNotifyManager &OEvent::notifiers() {
     // 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);
 }
 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 {
-    return data->recur;
+    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();
 
diff --git a/libopie2/opiepim/oevent.h b/libopie2/opiepim/oevent.h
index 4489be7..c718e2e 100644
--- a/libopie2/opiepim/oevent.h
+++ b/libopie2/opiepim/oevent.h
@@ -1,53 +1,53 @@
 // CONTAINS GPLed code of TT
 
 #ifndef OPIE_PIM_EVENT_H
 #define OPIE_PIM_EVENT_H
 
 #include <qstring.h>
 #include <qdatetime.h>
 #include <qvaluelist.h>
 
 #include <qpe/recordfields.h>
 #include <qpe/palmtopuidgen.h>
 
 #include "otimezone.h"
 #include "opimrecord.h"
 
-namespace OCalendarHelper {
+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& );
@@ -118,49 +118,49 @@ public:
 
 /*    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:
-    QValueList<OEffectiveEvent> ValueList;
+    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
     // End: 00:00 -> end time
     // Start | End == StartEnd: for single-day events (default)
     //                          here we draw start time -> end time
     OEffectiveEvent();
     OEffectiveEvent( const OEvent& event, const QDate& startDate, Position pos = StartEnd );
     OEffectiveEvent( const OEffectiveEvent& );
     OEffectiveEvent &operator=(const OEffectiveEvent& );
     ~OEffectiveEvent();
 
     void setStartTime( const QTime& );
     void setEndTime( const QTime& );
     void setEvent( const OEvent& );
     void setDate( const QDate& );
 
     void setEffectiveDates( const QDate& from, const QDate& to );