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path: root/libkcal/event.cpp
authorzautrix <zautrix>2005-07-07 20:46:00 (UTC)
committer zautrix <zautrix>2005-07-07 20:46:00 (UTC)
commitde5621f2fd3924f27c05459ae555b3bd06c5e584 (patch) (side-by-side diff)
tree589d19415e3c0ff6c08cec375db145242581c143 /libkcal/event.cpp
parent766b53919de14b8faec22db32b6a750acde0b760 (diff)
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fixxx
Diffstat (limited to 'libkcal/event.cpp') (more/less context) (show whitespace changes)
-rw-r--r--libkcal/event.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/libkcal/event.cpp b/libkcal/event.cpp
index 7cd81fa..235ae55 100644
--- a/libkcal/event.cpp
+++ b/libkcal/event.cpp
@@ -171,6 +171,121 @@ void Event::setDuration(int seconds)
setHasEndDate(false);
Incidence::setDuration(seconds);
}
+bool Event::isOverlapping ( Event* testEvent, QDateTime* overlapDT, bool inFutureOnly )
+{
+ if ( testEvent == this )
+ return false;
+ if ( ! doesRecur() && !testEvent->doesRecur() ) {
+ QDateTime te;
+ if ( testEvent->doesFloat() )
+ te = testEvent->mDtEnd.addDays( 1 );
+ else
+ te = testEvent->mDtEnd;
+ QDateTime e;
+ if ( doesFloat() )
+ e = mDtEnd.addDays( 1 );
+ else
+ e = mDtEnd;
+ if ( mDtStart < te && testEvent->mDtStart < e ) {
+ if ( mDtStart < testEvent->mDtStart )
+ *overlapDT = testEvent->mDtStart;
+ else
+ *overlapDT = mDtStart;
+ if ( inFutureOnly )
+ return (*overlapDT >= QDateTime::currentDateTime() );
+ return true;
+ }
+ return false;
+ }
+ Event *nonRecur = 0;
+ Event *recurEvent = 0;
+ if ( ! doesRecur() ) {
+ nonRecur = this;
+ recurEvent = testEvent;
+ }
+ else if ( !testEvent->doesRecur() ) {
+ nonRecur = testEvent;
+ recurEvent = this;
+ }
+ if ( nonRecur ) {
+ QDateTime enr;
+ if ( nonRecur->doesFloat() )
+ enr = nonRecur->mDtEnd.addDays( 1 );
+ else
+ enr = nonRecur->mDtEnd;
+ if ( enr < recurEvent->mDtStart )
+ return false;
+ if ( inFutureOnly && enr < QDateTime::currentDateTime() )
+ return false;
+ int recDuration = recurEvent->mDtStart.secsTo( recurEvent->mDtEnd );
+ if ( recurEvent->doesFloat() )
+ recDuration += 86400;
+ bool ok = true;
+ QDateTime recStart = recurEvent->mDtStart.addSecs( -300);;
+ while ( ok ) {
+ recStart = recurEvent->getNextOccurence( recStart.addSecs( 60 ), &ok );
+ if ( ok ) {
+ if ( recStart > enr )
+ return false;
+ QDateTime recEnd = recStart.addSecs( recDuration );
+ if ( nonRecur->mDtStart < recEnd && recStart < nonRecur->mDtEnd ) {
+ if ( nonRecur->mDtStart < recStart )
+ *overlapDT = recStart;
+ else
+ *overlapDT = nonRecur->mDtStart;
+ if ( inFutureOnly ) {
+ if ( *overlapDT >= QDateTime::currentDateTime() )
+ return true;
+ } else
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ QDateTime incidenceStart = mDtStart;
+ int duration = mDtStart.secsTo( mDtEnd );
+ if ( doesFloat() )
+ duration += 86400;
+ QDateTime testincidenceStart = testEvent->mDtStart;
+ int testduration = testEvent->mDtStart.secsTo( testEvent->mDtEnd );
+ if ( testEvent->doesFloat() )
+ testduration += 86400;
+ bool computeThis = false;
+ if ( incidenceStart < testincidenceStart )
+ computeThis = true;
+ bool ok = true;
+ if ( computeThis )
+ incidenceStart = incidenceStart.addSecs( -300 );
+ else
+ testincidenceStart = testincidenceStart.addSecs( -300 );
+ int count = 0;
+ while ( ok ) {
+ ++count;
+ if ( count > 1000 ) break;
+ if ( computeThis )
+ incidenceStart = getNextOccurence( incidenceStart.addSecs( 60 ), &ok );
+ else
+ testincidenceStart = testEvent->getNextOccurence( testincidenceStart.addSecs( 60 ), &ok );
+ if ( ok ) {
+ if ( incidenceStart < testincidenceStart.addSecs( testduration ) && testincidenceStart < incidenceStart.addSecs( duration ) ) {
+ if ( incidenceStart < testincidenceStart )
+ *overlapDT = testincidenceStart;
+ else
+ *overlapDT = incidenceStart;
+ if ( inFutureOnly ) {
+ if ( *overlapDT >= QDateTime::currentDateTime() )
+ return true;
+ } else
+ return true;
+ }
+ computeThis = ( incidenceStart < testincidenceStart );
+ }
+
+ }
+ return false;
+}
QDateTime Event::getNextAlarmDateTime( bool * ok, int * offset, QDateTime start_dt ) const
{
*ok = false;