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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtDesigner/QExtensionFactory>
#include <QtDesigner/QExtensionManager>
#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerContainerExtension>
#include <QtDesigner/QDesignerPropertySheetExtension>

#include <QIcon>
#include <QtPlugin>

#include "multipagewidget.h"
#include "multipagewidgetplugin.h"
#include "multipagewidgetextensionfactory.h"

//! [0]
MultiPageWidgetPlugin::MultiPageWidgetPlugin(QObject *parent)
    :QObject(parent)
{
    initialized = false;
}

QString MultiPageWidgetPlugin::name() const
{
    return QLatin1String("MultiPageWidget");
}

QString MultiPageWidgetPlugin::group() const
{
    return QLatin1String("Display Widgets [Examples]");
}

QString MultiPageWidgetPlugin::toolTip() const
{
    return QString();
}

QString MultiPageWidgetPlugin::whatsThis() const
{
    return QString();
}

QString MultiPageWidgetPlugin::includeFile() const
{
    return QLatin1String("multipagewidget.h");
}

QIcon MultiPageWidgetPlugin::icon() const
{
    return QIcon();
}

//! [0] //! [1]
bool MultiPageWidgetPlugin::isContainer() const
{
    return true;
}

//! [1] //! [2]
QWidget *MultiPageWidgetPlugin::createWidget(QWidget *parent)
{
    MultiPageWidget *widget = new MultiPageWidget(parent);
    connect(widget, SIGNAL(currentIndexChanged(int)),
            this, SLOT(currentIndexChanged(int)));
    connect(widget, SIGNAL(pageTitleChanged(const QString &)),
            this, SLOT(pageTitleChanged(const QString &)));
    return widget;
}

//! [2] //! [3]
bool MultiPageWidgetPlugin::isInitialized() const
{
    return initialized;
}
//! [3]

//! [4]
void MultiPageWidgetPlugin::initialize(QDesignerFormEditorInterface *formEditor)
{
    if (initialized)
        return;
//! [4]

//! [5]
    QExtensionManager *manager = formEditor->extensionManager();
//! [5] //! [6]
    QExtensionFactory *factory = new MultiPageWidgetExtensionFactory(manager);

    Q_ASSERT(manager != 0);
    manager->registerExtensions(factory, Q_TYPEID(QDesignerContainerExtension));

    initialized = true;
}
//! [6]

//! [7]
QString MultiPageWidgetPlugin::domXml() const
{
    return QLatin1String("\
<ui language=\"c++\">\
    <widget class=\"MultiPageWidget\" name=\"multipagewidget\">\
        <widget class=\"QWidget\" name=\"page\" />\
    </widget>\
    <customwidgets>\
        <customwidget>\
            <class>MultiPageWidget</class>\
            <extends>QWidget</extends>\
            <addpagemethod>addPage</addpagemethod>\
        </customwidget>\
    </customwidgets>\
</ui>");
}
//! [7]

//! [8]
void MultiPageWidgetPlugin::currentIndexChanged(int index)
{
    Q_UNUSED(index);
    MultiPageWidget *widget = qobject_cast<MultiPageWidget*>(sender());
//! [8] //! [9]
    if (widget) {
        QDesignerFormWindowInterface *form = QDesignerFormWindowInterface::findFormWindow(widget);
        if (form)
            form->emitSelectionChanged();
    }
}
//! [9]

//! [10]
void MultiPageWidgetPlugin::pageTitleChanged(const QString &title)
{
    Q_UNUSED(title);
    MultiPageWidget *widget = qobject_cast<MultiPageWidget*>(sender());
//! [10] //! [11]
    if (widget) {
        QWidget *page = widget->widget(widget->currentIndex());
        QDesignerFormWindowInterface *form;
        form = QDesignerFormWindowInterface::findFormWindow(widget);
//! [11]
        if (form) {
//! [12]
            QDesignerFormEditorInterface *editor = form->core();
            QExtensionManager *manager = editor->extensionManager();
//! [12] //! [13]
            QDesignerPropertySheetExtension *sheet;
            sheet = qt_extension<QDesignerPropertySheetExtension*>(manager, page);
            const int propertyIndex = sheet->indexOf(QLatin1String("windowTitle"));
            sheet->setChanged(propertyIndex, true);
        }
    }
}

//! [13]

//! [14]
Q_EXPORT_PLUGIN2(containerextension, MultiPageWidgetPlugin)
//! [14]