Magdalena Stojek f071d4ee8a QCalendar example illustrating the user-supplied plugin mechanism
This example demonstrates how to write a calendar backend plugin
using a low-level API for extending Qt applications.

Fixes: QTBUG-115200
Change-Id: If0b7f2552ba8c2203acdcbff238fb0ffa7cfca55
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2024-07-04 15:25:29 +02:00

33 lines
995 B
C++

// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "calendarplugin.h"
JulianGregorianPlugin::JulianGregorianPlugin()
{
}
//![0]
QCalendar::SystemId JulianGregorianPlugin::loadCalendar(QAnyStringView request)
{
Q_ASSERT(!request.isEmpty());
QStringList names = request.toString().split(u';');
if (names.size() < 1)
return {};
QString dateString = names.takeFirst();
auto date = QDate::fromString(dateString, u"yyyy-MM-dd",
QCalendar(QCalendar::System::Julian));
if (!date.isValid())
return {};
QString primary = names.isEmpty() ?
QString::fromStdU16String(u"Julian until ") + dateString : names[0];
auto backend = new JulianGregorianCalendar(date, primary);
names.emplaceFront(backend->name());
auto cid = backend->registerCustomBackend(names);
return cid;
}
JulianGregorianPlugin::~JulianGregorianPlugin()
{
}
//![0]