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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "multipagewidgetextensionfactory.h"
++ #include "multipagewidgetcontainerextension.h"
++ #include "multipagewidget.h"
++
++ //! [0]
++ MultiPageWidgetExtensionFactory::MultiPageWidgetExtensionFactory(QExtensionManager *parent)
++ : QExtensionFactory(parent)
++ {}
++ //! [0]
++
++ //! [1]
++ QObject *MultiPageWidgetExtensionFactory::createExtension(QObject *object,
++ const QString &iid,
++ QObject *parent) const
++ {
++ auto *widget = qobject_cast<MultiPageWidget*>(object);
++
++ if (widget && (iid == Q_TYPEID(QDesignerContainerExtension)))
++ return new MultiPageWidgetContainerExtension(widget, parent);
++ return nullptr;
++ }
++ //! [1]