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#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(QString)),

            this, SLOT(pageTitleChanged(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]