Incidence::List DndFactory::pasteIncidences( const QDate &newDate,
const QTime *newTime )
{
QClipboard *cb = QApplication::clipboard();
Calendar *cal = createDropCalendar( cb->mimeData() );
Incidence::List list;
if ( !cal ) {
kDebug() << "Can't parse clipboard";
return list;
}
// All pasted incidences get new uids, must keep track of old uids,
// so we can update child's parents
QHash<QString,Incidence*> oldUidToNewInc;
Incidence::List::ConstIterator it;
const Incidence::List incs = cal->incidences();
for ( it = incs.constBegin();
it != incs.constEnd(); ++it ) {
Incidence *inc = d->pasteIncidence( *it, newDate, newTime );
if ( inc ) {
list.append( inc );
oldUidToNewInc[( *it )->uid()] = inc;
}
}
// update relations
for ( it = list.constBegin(); it != list.constEnd(); ++it ) {
Incidence *inc = *it;
if ( oldUidToNewInc.contains( inc->relatedToUid() ) ) {
Incidence *parentInc = oldUidToNewInc[inc->relatedToUid()];
inc->setRelatedToUid( parentInc->uid() );
inc->setRelatedTo( parentInc );
} else {
// not related to anything in the clipboard
inc->setRelatedToUid( QString() );
inc->setRelatedTo( 0 );
}
}
return list;
}
// If a task with subtasks is deleted, move it's subtasks to the orphans list
void Calendar::removeRelations(Incidence *incidence)
{
if(!incidence)
{
kdDebug(5800) << "Warning: Calendar::removeRelations( 0 )!\n";
return;
}
// kdDebug(5850) << "Calendar::removeRelations for incidence " << forincidence << " with UID " << forincidence->uid() << ", summary: " << forincidence->summary() << endl;
QString uid = incidence->uid();
Incidence::List relations = incidence->relations();
Incidence::List::ConstIterator it;
for(it = relations.begin(); it != relations.end(); ++it)
{
Incidence *i = *it;
if(!mOrphanUids.find(i->uid()))
{
mOrphans.insert(uid, i);
mOrphanUids.insert(i->uid(), i);
i->setRelatedTo(0);
i->setRelatedToUid(uid);
}
}
// If this incidence is related to something else, tell that about it
if(incidence->relatedTo())
incidence->relatedTo()->removeRelation(incidence);
// Remove this one from the orphans list
if(mOrphanUids.remove(uid))
{
// This incidence is located in the orphans list - it should be removed
// Since the mOrphans dict might contain the same key (with different
// child incidence pointers!) multiple times, take care that we remove
// the correct one. So we need to remove all items with the given
// parent UID, and readd those that are not for this item. Also, there
// might be other entries with differnet UID that point to this
// incidence (this might happen when the relatedTo of the item is
// changed before its parent is inserted. This might happen with
// groupware servers....). Remove them, too
QStringList relatedToUids;
// First get the list of all keys in the mOrphans list that point to the removed item
relatedToUids << incidence->relatedToUid();
for(QDictIterator<Incidence> it(mOrphans); it.current(); ++it)
{
if(it.current()->uid() == uid)
{
relatedToUids << it.currentKey();
}
}
// now go through all uids that have one entry that point to the incidence
for(QStringList::Iterator uidit = relatedToUids.begin();
uidit != relatedToUids.end(); ++uidit)
{
Incidence::List tempList;
// Remove all to get access to the remaining entries
while(Incidence *i = mOrphans[ *uidit ])
{
mOrphans.remove(*uidit);
if(i != incidence) tempList.append(i);
}
// Readd those that point to a different orphan incidence
for(Incidence::List::Iterator incit = tempList.begin();
incit != tempList.end(); ++incit)
{
mOrphans.insert(*uidit, *incit);
}
}
}
}