UndoAdd::UndoAdd(Undo::Type type, const KAEvent &event, KAEvent::Status cal)
: UndoItem(type),
mEventID(KAEvent::uid(event.id(), cal))
{
setCalendar(cal);
mDescription = UndoItem::description(event); // calendar must be set before calling this
}
/******************************************************************************
* Undo the item, i.e. undo an edit to a previously existing alarm.
* Create a redo item to reapply the edit.
* Reply = redo item.
*/
UndoItem *UndoEdit::restore()
{
kdDebug(5950) << "UndoEdit::restore(" << mNewEventID << ")\n";
// Retrieve the current state of the alarm
const KCal::Event *kcalEvent = AlarmCalendar::getEvent(mNewEventID);
if(!kcalEvent)
{
mRestoreError = ERR_NOT_FOUND; // alarm is no longer in calendar
return 0;
}
KAEvent newEvent(*kcalEvent);
// Create a redo item to restore the edit
Undo::Type t = (type() == Undo::UNDO) ? Undo::REDO : (type() == Undo::REDO) ? Undo::UNDO : Undo::NONE;
UndoItem *undo = new UndoEdit(t, newEvent, mOldEvent->id(), mDescription);
switch(calendar())
{
case KAEvent::ACTIVE:
switch(KAlarm::modifyEvent(newEvent, *mOldEvent, 0))
{
case KAlarm::UPDATE_ERROR:
case KAlarm::UPDATE_FAILED:
case KAlarm::SAVE_FAILED:
mRestoreError = ERR_CREATE;
break;
case KAlarm::UPDATE_KORG_ERR:
mRestoreWarning = WARN_KORG_MODIFY;
++mRestoreWarningCount;
break;
default:
break;
}
break;
case KAEvent::TEMPLATE:
if(KAlarm::updateTemplate(*mOldEvent, 0) != KAlarm::UPDATE_OK)
mRestoreError = ERR_TEMPLATE;
break;
case KAEvent::EXPIRED: // editing of expired events is not allowed
default:
delete undo;
mRestoreError = ERR_PROG;
return 0;
}
return undo;
}
/******************************************************************************
* Undo the item, i.e. restore an alarm which was deleted.
* Create a redo item to delete the alarm again.
* Reply = redo item.
*/
UndoItem *UndoDelete::restore()
{
kdDebug(5950) << "UndoDelete::restore(" << mEvent->id() << ")\n";
// Restore the original event
switch(calendar())
{
case KAEvent::ACTIVE:
if(mEvent->toBeArchived())
{
// It was archived when it was deleted
mEvent->setUid(KAEvent::EXPIRED);
switch(KAlarm::reactivateEvent(*mEvent, 0, true))
{
case KAlarm::UPDATE_KORG_ERR:
mRestoreWarning = WARN_KORG_ADD;
++mRestoreWarningCount;
break;
case KAlarm::UPDATE_ERROR:
case KAlarm::UPDATE_FAILED:
case KAlarm::SAVE_FAILED:
mRestoreError = ERR_EXPIRED;
return 0;
case KAlarm::UPDATE_OK:
break;
}
}
else
{
switch(KAlarm::addEvent(*mEvent, 0, 0, true))
{
case KAlarm::UPDATE_KORG_ERR:
mRestoreWarning = WARN_KORG_ADD;
++mRestoreWarningCount;
break;
case KAlarm::UPDATE_ERROR:
case KAlarm::UPDATE_FAILED:
case KAlarm::SAVE_FAILED:
mRestoreError = ERR_CREATE;
return 0;
case KAlarm::UPDATE_OK:
break;
}
}
break;
case KAEvent::TEMPLATE:
if(KAlarm::addTemplate(*mEvent, 0) != KAlarm::UPDATE_OK)
{
mRestoreError = ERR_CREATE;
return 0;
}
break;
case KAEvent::EXPIRED:
if(!KAlarm::addExpiredEvent(*mEvent))
{
mRestoreError = ERR_CREATE;
return 0;
}
break;
default:
mRestoreError = ERR_PROG;
return 0;
}
// Create a redo item to delete the alarm again
return createRedo(*mEvent);
}
void Undo::saveDelete(const KAEvent &event)
{
new UndoDelete(UNDO, event);
removeRedos(event.id()); // remove any redos which are made invalid by this deletion
emitChanged();
}
void Undo::saveEdit(const KAEvent &oldEvent, const KAEvent &newEvent)
{
new UndoEdit(UNDO, oldEvent, newEvent.id(), AlarmText::summary(newEvent));
removeRedos(oldEvent.id()); // remove any redos which are made invalid by this edit
emitChanged();
}