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00024 #include <qdatetime.h>
00025 #include <qstring.h>
00026 #include <qptrlist.h>
00027
00028 #include <kdebug.h>
00029 #include <klocale.h>
00030 #include <kmessagebox.h>
00031
00032 #include "vcaldrag.h"
00033 #include "vcalformat.h"
00034 #include "icalformat.h"
00035 #include "exceptions.h"
00036 #include "incidence.h"
00037 #include "journal.h"
00038 #include "filestorage.h"
00039
00040 #include "calendarlocal.h"
00041
00042 using namespace KCal;
00043
00044 CalendarLocal::CalendarLocal( const QString &timeZoneId )
00045 : Calendar( timeZoneId ), mEvents( 47 )
00046 {
00047 init();
00048 }
00049
00050 void CalendarLocal::init()
00051 {
00052 mDeletedIncidences.setAutoDelete( true );
00053 mFileName = QString::null;
00054 }
00055
00056
00057 CalendarLocal::~CalendarLocal()
00058 {
00059 close();
00060 }
00061
00062 bool CalendarLocal::load( const QString &fileName, CalFormat *format )
00063 {
00064 mFileName = fileName;
00065 FileStorage storage( this, fileName, format );
00066 return storage.load();
00067 }
00068
00069 bool CalendarLocal::reload( const QString &tz )
00070 {
00071 const QString filename = mFileName;
00072 save();
00073 close();
00074 mFileName = filename;
00075 setTimeZoneId( tz );
00076 FileStorage storage( this, mFileName );
00077 return storage.load();
00078 }
00079
00080 bool CalendarLocal::save( const QString &fileName, CalFormat *format )
00081 {
00082
00083
00084 if ( mFileName != fileName || isModified() ) {
00085 FileStorage storage( this, fileName, format );
00086 return storage.save();
00087 } else {
00088 return true;
00089 }
00090 }
00091
00092 void CalendarLocal::close()
00093 {
00094 setObserversEnabled( false );
00095 mFileName = QString::null;
00096
00097 deleteAllEvents();
00098 deleteAllTodos();
00099 deleteAllJournals();
00100
00101 mDeletedIncidences.clear();
00102 setModified( false );
00103
00104 setObserversEnabled( true );
00105 }
00106
00107
00108 bool CalendarLocal::addEvent( Event *event )
00109 {
00110 insertEvent( event );
00111
00112 event->registerObserver( this );
00113
00114 setModified( true );
00115
00116 notifyIncidenceAdded( event );
00117
00118 return true;
00119 }
00120
00121 bool CalendarLocal::deleteEvent( Event *event )
00122 {
00123
00124
00125 if ( mEvents.remove( event->uid() ) ) {
00126 setModified( true );
00127 notifyIncidenceDeleted( event );
00128 mDeletedIncidences.append( event );
00129 return true;
00130 } else {
00131 kdWarning() << "CalendarLocal::deleteEvent(): Event not found." << endl;
00132 return false;
00133 }
00134 }
00135
00136 void CalendarLocal::deleteAllEvents()
00137 {
00138
00139 QDictIterator<Event> it( mEvents );
00140 while( it.current() ) {
00141 notifyIncidenceDeleted( it.current() );
00142 ++it;
00143 }
00144
00145 mEvents.setAutoDelete( true );
00146 mEvents.clear();
00147 mEvents.setAutoDelete( false );
00148 }
00149
00150 Event *CalendarLocal::event( const QString &uid )
00151 {
00152
00153 return mEvents[ uid ];
00154 }
00155
00156 bool CalendarLocal::addTodo( Todo *todo )
00157 {
00158 mTodoList.append( todo );
00159
00160 todo->registerObserver( this );
00161
00162
00163 setupRelations( todo );
00164
00165 setModified( true );
00166
00167 notifyIncidenceAdded( todo );
00168
00169 return true;
00170 }
00171
00172 bool CalendarLocal::deleteTodo( Todo *todo )
00173 {
00174
00175 removeRelations( todo );
00176
00177 if ( mTodoList.removeRef( todo ) ) {
00178 setModified( true );
00179 notifyIncidenceDeleted( todo );
00180 mDeletedIncidences.append( todo );
00181 return true;
00182 } else {
00183 kdWarning() << "CalendarLocal::deleteTodo(): Todo not found." << endl;
00184 return false;
00185 }
00186 }
00187
00188 void CalendarLocal::deleteAllTodos()
00189 {
00190
00191 Todo::List::ConstIterator it;
00192 for( it = mTodoList.begin(); it != mTodoList.end(); ++it ) {
00193 notifyIncidenceDeleted( *it );
00194 }
00195
00196 mTodoList.setAutoDelete( true );
00197 mTodoList.clearAll();
00198 mTodoList.setAutoDelete( false );
00199 }
00200
00201 Todo::List CalendarLocal::rawTodos( TodoSortField sortField,
00202 SortDirection sortDirection )
00203 {
00204 return sortTodos( &mTodoList, sortField, sortDirection );
00205 }
00206
00207 Todo *CalendarLocal::todo( const QString &uid )
00208 {
00209 Todo::List::ConstIterator it;
00210 for ( it = mTodoList.begin(); it != mTodoList.end(); ++it ) {
00211 if ( (*it)->uid() == uid ) return *it;
00212 }
00213
00214 return 0;
00215 }
00216
00217 Todo::List CalendarLocal::rawTodosForDate( const QDate &date )
00218 {
00219 Todo::List todos;
00220
00221 Todo::List::ConstIterator it;
00222 for ( it = mTodoList.begin(); it != mTodoList.end(); ++it ) {
00223 Todo *todo = *it;
00224 if ( todo->hasDueDate() && todo->dtDue().date() == date ) {
00225 todos.append( todo );
00226 }
00227 }
00228
00229 return todos;
00230 }
00231
00232 Alarm::List CalendarLocal::alarmsTo( const QDateTime &to )
00233 {
00234 return alarms( QDateTime( QDate( 1900, 1, 1 ) ), to );
00235 }
00236
00237 Alarm::List CalendarLocal::alarms( const QDateTime &from, const QDateTime &to )
00238 {
00239
00240
00241
00242 Alarm::List alarms;
00243
00244 EventDictIterator it( mEvents );
00245 for( ; it.current(); ++it ) {
00246 Event *e = *it;
00247 if ( e->doesRecur() ) appendRecurringAlarms( alarms, e, from, to );
00248 else appendAlarms( alarms, e, from, to );
00249 }
00250
00251 Todo::List::ConstIterator it2;
00252 for( it2 = mTodoList.begin(); it2 != mTodoList.end(); ++it2 ) {
00253 Todo *t = *it2;
00254 if ( t->isCompleted() ) {
00255 continue;
00256 }
00257 if ( t->doesRecur() ) appendRecurringAlarms( alarms, t, from, to );
00258 else appendAlarms( alarms, t, from, to );
00259 }
00260
00261 return alarms;
00262 }
00263
00264 void CalendarLocal::appendAlarms( Alarm::List &alarms, Incidence *incidence,
00265 const QDateTime &from, const QDateTime &to )
00266 {
00267 QDateTime preTime = from.addSecs(-1);
00268 Alarm::List::ConstIterator it;
00269 for( it = incidence->alarms().begin(); it != incidence->alarms().end();
00270 ++it ) {
00271 Alarm *alarm = *it;
00272 if ( alarm->enabled() ) {
00273 QDateTime dt = alarm->nextRepetition( preTime );
00274 if ( dt.isValid() && dt <= to ) {
00275 kdDebug(5800) << "CalendarLocal::appendAlarms() '"
00276 << incidence->summary() << "': "
00277 << dt.toString() << endl;
00278 alarms.append( alarm );
00279 }
00280 }
00281 }
00282 }
00283
00284 void CalendarLocal::appendRecurringAlarms( Alarm::List &alarms,
00285 Incidence *incidence,
00286 const QDateTime &from,
00287 const QDateTime &to )
00288 {
00289 QDateTime dt;
00290 Duration endOffset( 0 );
00291 bool endOffsetValid = false;
00292 Duration period( from, to );
00293
00294 Event *e = static_cast<Event *>( incidence );
00295 Todo *t = static_cast<Todo *>( incidence );
00296
00297 Alarm::List::ConstIterator it;
00298 for( it = incidence->alarms().begin(); it != incidence->alarms().end();
00299 ++it ) {
00300 Alarm *alarm = *it;
00301 if ( alarm->enabled() ) {
00302 if ( alarm->hasTime() ) {
00303
00304 dt = alarm->nextRepetition( from.addSecs(-1) );
00305 if ( !dt.isValid() || dt > to ) {
00306 continue;
00307 }
00308 } else {
00309
00310
00311
00312 Duration offset( 0 );
00313 if ( alarm->hasStartOffset() ) {
00314 offset = alarm->startOffset().asSeconds();
00315 } else if ( alarm->hasEndOffset() ) {
00316 offset = alarm->endOffset().asSeconds();
00317 if ( !endOffsetValid ) {
00318 if ( incidence->type() == "Event" ) {
00319 endOffset = Duration( e->dtStart(), e->dtEnd() );
00320 endOffsetValid = true;
00321 } else if ( incidence->type() == "Todo" &&
00322 t->hasStartDate() && t->hasDueDate() ) {
00323 endOffset = Duration( t->dtStart(), t->dtDue() );
00324 endOffsetValid = true;
00325 }
00326 }
00327 }
00328
00329
00330 QDateTime alarmStart;
00331 if ( incidence->type() == "Event" ) {
00332 alarmStart =
00333 offset.end( alarm->hasEndOffset() ? e->dtEnd() : e->dtStart() );
00334 } else if ( incidence->type() == "Todo" ) {
00335 alarmStart =
00336 offset.end( alarm->hasEndOffset() ? t->dtDue() : t->dtStart() );
00337 }
00338
00339 if ( alarmStart.isValid() && alarmStart > to ) {
00340 continue;
00341 }
00342
00343 QDateTime baseStart;
00344 if ( incidence->type() == "Event" ) {
00345 baseStart = e->dtStart();
00346 } else if ( incidence->type() == "Todo" ) {
00347 baseStart = t->dtDue();
00348 }
00349 if ( alarmStart.isValid() && from > alarmStart ) {
00350 alarmStart = from;
00351 baseStart = (-offset).end( (-endOffset).end( alarmStart ) );
00352 }
00353
00354
00355
00356
00357 dt = incidence->recurrence()->getNextDateTime( baseStart.addSecs(-1) );
00358 if ( !dt.isValid() ||
00359 ( dt = endOffset.end( offset.end( dt ) ) ) > to )
00360 {
00361
00362 if ( !alarm->repeatCount() ) {
00363 continue;
00364 }
00365
00366
00367
00368 bool found = false;
00369 Duration alarmDuration = alarm->duration();
00370 for ( QDateTime base = baseStart;
00371 ( dt = incidence->recurrence()->getPreviousDateTime( base ) ).isValid();
00372 base = dt ) {
00373 if ( alarm->duration().end( dt ) < base ) {
00374 break;
00375 }
00376
00377
00378
00379
00380 int snooze = alarm->snoozeTime().value();
00381 if ( alarm->snoozeTime().isDaily() ) {
00382 Duration toFromDuration( dt, base );
00383 int toFrom = toFromDuration.asDays();
00384 if ( alarm->snoozeTime().end( from ) <= to ||
00385 ( toFromDuration.isDaily() && toFrom % snooze == 0 ) ||
00386 ( toFrom / snooze + 1 ) * snooze <= toFrom + period.asDays() ) {
00387 found = true;
00388 #ifndef NDEBUG
00389
00390 dt = offset.end( dt ).addDays( ( ( toFrom - 1 ) / snooze + 1 ) * snooze );
00391 #endif
00392 break;
00393 }
00394 } else {
00395 int toFrom = dt.secsTo( base );
00396 if ( period.asSeconds() >= snooze ||
00397 toFrom % snooze == 0 ||
00398 ( toFrom / snooze + 1 ) * snooze <= toFrom + period.asSeconds() )
00399 {
00400 found = true;
00401 #ifndef NDEBUG
00402
00403 dt = offset.end( dt ).addSecs( ( ( toFrom - 1 ) / snooze + 1 ) * snooze );
00404 #endif
00405 break;
00406 }
00407 }
00408 }
00409 if ( !found ) {
00410 continue;
00411 }
00412 }
00413 }
00414 kdDebug(5800) << "CalendarLocal::appendAlarms() '" << incidence->summary()
00415 << "': " << dt.toString() << endl;
00416 alarms.append( alarm );
00417 }
00418 }
00419 }
00420
00421
00422 void CalendarLocal::incidenceUpdated( IncidenceBase *incidence )
00423 {
00424 incidence->setSyncStatusSilent( Event::SYNCMOD );
00425 incidence->setLastModified( QDateTime::currentDateTime() );
00426
00427
00428
00429
00430
00431 notifyIncidenceChanged( static_cast<Incidence *>( incidence ) );
00432
00433 setModified( true );
00434 }
00435
00436 void CalendarLocal::insertEvent( Event *event )
00437 {
00438 QString uid = event->uid();
00439 if ( mEvents[ uid ] == 0 ) {
00440 mEvents.insert( uid, event );
00441 }
00442 #ifndef NDEBUG
00443 else
00444
00445 Q_ASSERT( mEvents[uid] == event );
00446 #endif
00447 }
00448
00449 Event::List CalendarLocal::rawEventsForDate( const QDate &qd,
00450 EventSortField sortField,
00451 SortDirection sortDirection )
00452 {
00453 Event::List eventList;
00454
00455
00456
00457 if ( !qd.isValid() ) {
00458 return eventList;
00459 }
00460
00461 EventDictIterator it( mEvents );
00462 for( ; it.current(); ++it ) {
00463 Event *event = *it;
00464
00465 if ( event->doesRecur() ) {
00466 if ( event->isMultiDay() ) {
00467 int extraDays = event->dtStart().date().daysTo( event->dtEnd().date() );
00468 int i;
00469 for ( i = 0; i <= extraDays; i++ ) {
00470 if ( event->recursOn( qd.addDays( -i ) ) ) {
00471 eventList.append( event );
00472 break;
00473 }
00474 }
00475 } else {
00476 if ( event->recursOn( qd ) )
00477 eventList.append( event );
00478 }
00479 } else {
00480 if ( event->dtStart().date() <= qd && event->dateEnd() >= qd ) {
00481 eventList.append( event );
00482 }
00483 }
00484 }
00485
00486 return sortEventsForDate( &eventList, qd, sortField, sortDirection );
00487 }
00488
00489 Event::List CalendarLocal::rawEvents( const QDate &start, const QDate &end,
00490 bool inclusive )
00491 {
00492 Event::List eventList;
00493 QDate yesterStart = start.addDays(-1);
00494
00495
00496 EventDictIterator it( mEvents );
00497 for( ; it.current(); ++it ) {
00498 Event *event = *it;
00499
00500 QDate rStart = event->dtStart().date();
00501 if (end < rStart) {
00502
00503 continue;
00504 }
00505 if ( inclusive && rStart < start) {
00506
00507 continue;
00508 }
00509
00510 if ( ! event->doesRecur() ) {
00511 QDate rEnd = event->dtEnd().date();
00512 if (rEnd < start) {
00513
00514 continue;
00515 }
00516 if ( inclusive && end < rEnd ) {
00517
00518 continue;
00519 }
00520 } else {
00521 switch ( event->recurrence()->duration() ) {
00522 case -1:
00523 if ( inclusive ) {
00524
00525 continue;
00526 }
00527 break;
00528 case 0:
00529 default:
00530 QDate rEnd = event->recurrence()->endDate();
00531 if ( ! rEnd.isValid() ) {
00532
00533 continue;
00534 }
00535 if ( rEnd < start ) {
00536
00537 continue;
00538 }
00539 if ( inclusive && end < rEnd ) {
00540
00541 continue;
00542 }
00543
00544
00545
00546
00547
00548
00549 #if 0
00550 int durationBeforeStart = event->recurrence()->durationTo(yesterStart);
00551 int durationUntilEnd = event->recurrence()->durationTo(end);
00552 if (durationBeforeStart == durationUntilEnd) {
00553 kdDebug(5800) << "Skipping recurring event without occurences in TOI" << endl;
00554 continue;
00555 }
00556 #endif
00557 break;
00558 }
00559 }
00560
00561 eventList.append( event );
00562 }
00563
00564 return eventList;
00565 }
00566
00567 Event::List CalendarLocal::rawEventsForDate( const QDateTime &qdt )
00568 {
00569 return rawEventsForDate( qdt.date() );
00570 }
00571
00572 Event::List CalendarLocal::rawEvents( EventSortField sortField, SortDirection sortDirection )
00573 {
00574 Event::List eventList;
00575 EventDictIterator it( mEvents );
00576 for( ; it.current(); ++it )
00577 eventList.append( *it );
00578 return sortEvents( &eventList, sortField, sortDirection );
00579 }
00580
00581 bool CalendarLocal::addJournal(Journal *journal)
00582 {
00583
00584
00585
00586
00587
00588 mJournalList.append(journal);
00589
00590 journal->registerObserver( this );
00591
00592 setModified( true );
00593
00594 notifyIncidenceAdded( journal );
00595
00596 return true;
00597 }
00598
00599 bool CalendarLocal::deleteJournal( Journal *journal )
00600 {
00601 if ( mJournalList.removeRef( journal ) ) {
00602 setModified( true );
00603 notifyIncidenceDeleted( journal );
00604 mDeletedIncidences.append( journal );
00605 return true;
00606 } else {
00607 kdWarning() << "CalendarLocal::deleteJournal(): Journal not found." << endl;
00608 return false;
00609 }
00610 }
00611
00612 void CalendarLocal::deleteAllJournals()
00613 {
00614 Journal::List::ConstIterator it;
00615 for( it = mJournalList.begin(); it != mJournalList.end(); ++it ) {
00616 notifyIncidenceDeleted( *it );
00617 }
00618
00619 mJournalList.setAutoDelete( true );
00620 mJournalList.clearAll();
00621 mJournalList.setAutoDelete( false );
00622 }
00623
00624 Journal *CalendarLocal::journal( const QString &uid )
00625 {
00626 Journal::List::ConstIterator it;
00627 for ( it = mJournalList.begin(); it != mJournalList.end(); ++it )
00628 if ( (*it)->uid() == uid )
00629 return *it;
00630
00631 return 0;
00632 }
00633
00634 Journal::List CalendarLocal::rawJournals( JournalSortField sortField, SortDirection sortDirection )
00635 {
00636 return sortJournals( &mJournalList, sortField, sortDirection );
00637 }
00638
00639 Journal::List CalendarLocal::rawJournalsForDate( const QDate &date )
00640 {
00641 Journal::List journals;
00642
00643 Journal::List::ConstIterator it;
00644 for ( it = mJournalList.begin(); it != mJournalList.end(); ++it ) {
00645 Journal *journal = *it;
00646 if ( journal->dtStart().date() == date ) {
00647 journals.append( journal );
00648 }
00649 }
00650
00651 return journals;
00652 }
00653
00654 void CalendarLocal::setTimeZoneIdViewOnly( const QString& tz )
00655 {
00656 const QString question( i18n("The timezone setting was changed. In order to display the calendar "
00657 "you are looking at in the new timezone, it needs to be saved. Do you want to save the pending "
00658 "changes or rather wait and apply the new timezone on the next reload?" ) );
00659 int rc = KMessageBox::Yes;
00660 if ( isModified() ) {
00661 rc = KMessageBox::questionYesNo( 0, question,
00662 i18n("Save before applying timezones?"),
00663 KStdGuiItem::save(),
00664 KGuiItem(i18n("Apply Timezone Change on Next Reload")),
00665 "calendarLocalSaveBeforeTimezoneShift");
00666 }
00667 if ( rc == KMessageBox::Yes ) {
00668 reload( tz );
00669 }
00670 }