/******************************************************************************
* Find the version of KAlarm which wrote the calendar file, and do any
* necessary conversions to the current format. If it is a resource calendar,
* the user is prompted whether to save the conversions. For a local calendar
* file, any conversions will only be saved if changes are made later.
* If the calendar only contains the wrong alarm types, 'wrongType' is set true.
* Reply = true if the calendar file is now in the current format.
*/
KCalendar::Status CalendarCompat::fix(KCal::CalendarLocal& calendar, const QString& localFile, AlarmResource* resource,
AlarmResource::FixFunc conv, bool* wrongType)
{
if (wrongType)
*wrongType = false;
bool version057_UTC = false;
QString subVersion, versionString;
int version = readKAlarmVersion(calendar, localFile, subVersion, versionString);
if (version < 0 || version > KAlarm::Version())
return KCalendar::Incompatible; // calendar was created by another program, or an unknown version of KAlarm
if (version)
{
// Calendar was created by an earlier version of KAlarm.
// Convert it to the current format.
if (version == KAlarm::Version(0,5,7) && !localFile.isEmpty())
{
// KAlarm version 0.5.7 - check whether times are stored in UTC, in which
// case it is the KDE 3.0.0 version, which needs adjustment of summer times.
version057_UTC = isUTC(localFile);
kDebug() << "KAlarm version 0.5.7 (" << (version057_UTC ?"" :"non-") << "UTC)";
}
else
kDebug() << "KAlarm version" << version;
// Convert events to current KAlarm format for if the calendar is saved
KAEventData::convertKCalEvents(calendar, version, version057_UTC, Preferences::startOfDay());
}
if (!resource)
return KCalendar::Current; // update non-shared calendars regardless
// Check whether the alarm types in the calendar correspond with the resource's alarm type
if (wrongType)
*wrongType = !resource->checkAlarmTypes(calendar);
if (!version)
return KCalendar::Current; // calendar is in current KAlarm format
if (resource->ResourceCached::readOnly() || conv == AlarmResource::NO_CONVERT)
return KCalendar::Convertible;
// Update the calendar file now if the user wants it to be read-write
if (conv == AlarmResource::PROMPT || conv == AlarmResource::PROMPT_PART)
{
QString msg = (conv == AlarmResource::PROMPT)
? i18nc("@info", "Calendar <resource>%1</resource> is in an old format (<application>KAlarm</application> version %2), and will be read-only unless "
"you choose to update it to the current format.", resource->resourceName(), versionString)
: i18nc("@info", "Some or all of the alarms in calendar <resource>%1</resource> are in an old <application>KAlarm</application> format, and will be read-only unless "
"you choose to update them to the current format.", resource->resourceName());
if (KMessageBox::warningYesNo(0,
i18nc("@info", "<para>%1</para><para>"
"<warning>Do not update the calendar if it is shared with other users who run an older version "
"of <application>KAlarm</application>. If you do so, they may be unable to use it any more.</warning></para>"
"<para>Do you wish to update the calendar?</para>", msg))
!= KMessageBox::Yes)
return KCalendar::Convertible;
}
calendar.setCustomProperty(KCalendar::APPNAME, VERSION_PROPERTY, QLatin1String(KALARM_VERSION));
return KCalendar::Converted;
}
/******************************************************************************
* Write the X-KDE-KALARM-VERSION custom property into the calendar.
*/
void CalendarCompat::setID(KCal::CalendarLocal& calendar)
{
calendar.setCustomProperty(KCalendar::APPNAME, VERSION_PROPERTY, QString::fromLatin1(KAEventData::currentCalendarVersionString()));
}