/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the documentation 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

//! [0]

#include <QtDesigner>

//! [0]

//! [1]

CONFIG += designer

//! [1]

//! [2]

QDesignerMemberSheetExtension *memberSheet  = 0;

QExtensionManager manager = formEditor->extensionManager();

memberSheet = qt_extension<QDesignerMemberSheetExtension*>(manager, widget);

int index = memberSheet->indexOf(setEchoMode);

memberSheet->setVisible(index, false);

delete memberSheet;

//! [2]

//! [3]

class MyMemberSheetExtension : public QObject,

        public QDesignerMemberSheetExtension

{

    Q_OBJECT

    Q_INTERFACES(QDesignerMemberSheetExtension)

public:

    ...

}

//! [3]

//! [4]

QObject *ANewExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    if (iid != Q_TYPEID(QDesignerMemberSheetExtension))

        return 0;

    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>

           (object))

        return new MyMemberSheetExtension(widget, parent);

    return 0;

}

//! [4]

//! [5]

QObject *AGeneralExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);

    if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {

        return new MyTaskMenuExtension(widget, parent);

    } else if (widget && (iid == Q_TYPEID(QDesignerMemberSheetExtension))) {

        return new MyMemberSheetExtension(widget, parent);

    } else {

        return 0;

    }

}

//! [5]

//! [6]

class MyContainerExtension : public QObject,

       public QDesignerContainerExtension

{

    Q_OBJECT

    Q_INTERFACES(QDesignerContainerExtension)

public:

    MyContainerExtension(MyCustomWidget *widget,

                         QObject *parent = 0);

    int count() const;

    QWidget *widget(int index) const;

    int currentIndex() const;

    void setCurrentIndex(int index);

    void addWidget(QWidget *widget);

    void insertWidget(int index, QWidget *widget);

    void remove(int index);

private:

    MyCustomWidget *myWidget;

};

//! [6]

//! [7]

QObject *ANewExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    if (iid != Q_TYPEID(QDesignerContainerExtension))

        return 0;

    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>

           (object))

        return new MyContainerExtension(widget, parent);

    return 0;

}

//! [7]

//! [8]

QObject *AGeneralExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);

    if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {

        return new MyTaskMenuExtension(widget, parent);

    } else if (widget && (iid == Q_TYPEID(QDesignerContainerExtension))) {

        return new MyContainerExtension(widget, parent);

    } else {

        return 0;

    }

}

//! [8]

//! [9]

class MyTaskMenuExtension : public QObject,

        public QDesignerTaskMenuExtension

{

    Q_OBJECT

    Q_INTERFACES(QDesignerTaskMenuExtension)

public:

    MyTaskMenuExtension(MyCustomWidget *widget, QObject *parent);

    QAction *preferredEditAction() const;

    QList<QAction *> taskActions() const;

private slots:

    void mySlot();

private:

    MyCustomWidget *widget;

    QAction *myAction;

};

//! [9]

//! [10]

QObject *ANewExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    if (iid != Q_TYPEID(QDesignerTaskMenuExtension))

        return 0;

    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object))

        return new MyTaskMenuExtension(widget, parent);

    return 0;

}

//! [10]

//! [11]

QObject *AGeneralExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);

    if (widget && (iid == Q_TYPEID(QDesignerContainerExtension))) {

        return new MyContainerExtension(widget, parent);

    } else if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {

        return new MyTaskMenuExtension(widget, parent);

    } else {

        return 0;

    }

}

//! [11]

//! [12]

#include customwidgetoneinterface.h

#include customwidgettwointerface.h

#include customwidgetthreeinterface.h

#include <QtDesigner/QtDesigner>

#include <QtCore/qplugin.h>

class MyCustomWidgets: public QObject, public QDesignerCustomWidgetCollectionInterface

{

    Q_OBJECT

    Q_INTERFACES(QDesignerCustomWidgetCollectionInterface)

public:

    MyCustomWidgets(QObject *parent = 0);

    virtual QList<QDesignerCustomWidgetInterface*> customWidgets() const;

private:

    QList<QDesignerCustomWidgetInterface*> widgets;

};

//! [12]

//! [13]

MyCustomWidgets::MyCustomWidgets(QObject *parent)

        : QObject(parent)

{

    widgets.append(new CustomWidgetOneInterface(this));

    widgets.append(new CustomWidgetTwoInterface(this));

    widgets.append(new CustomWidgetThreeInterface(this));

}

QList<QDesignerCustomWidgetInterface*> MyCustomWidgets::customWidgets() const

{

    return widgets;

}

Q_EXPORT_PLUGIN2(customwidgetsplugin, MyCustomWidgets)

//! [13]

//! [14]

Q_EXPORT_PLUGIN2(customwidgetplugin, MyCustomWidget)

//! [14]

//! [15]

QDesignerPropertySheetExtension *propertySheet  = 0;

QExtensionManager manager = formEditor->extensionManager();

propertySheet = qt_extension<QDesignerPropertySheetExtension*>(manager, widget);

int index = propertySheet->indexOf(QLatin1String("margin"));

propertySheet->setProperty(index, 10);

propertySheet->setChanged(index, true);

delete propertySheet;

//! [15]

//! [16]

class MyPropertySheetExtension : public QObject,

        public QDesignerPropertySheetExtension

{

    Q_OBJECT

    Q_INTERFACES(QDesignerPropertySheetExtension)

public:

    ...

}

//! [16]

//! [17]

QObject *ANewExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    if (iid != Q_TYPEID(QDesignerPropertySheetExtension))

        return 0;

    if (MyCustomWidget *widget = qobject_cast<MyCustomWidget*>

           (object))

        return new MyPropertySheetExtension(widget, parent);

    return 0;

}

//! [17]

//! [18]

QObject *AGeneralExtensionFactory::createExtension(QObject *object,

        const QString &iid, QObject *parent) const

{

    MyCustomWidget *widget = qobject_cast<MyCustomWidget*>(object);

    if (widget && (iid == Q_TYPEID(QDesignerTaskMenuExtension))) {

        return new MyTaskMenuExtension(widget, parent);

    } else if (widget && (iid == Q_TYPEID(QDesignerPropertySheetExtension))) {

        return new MyPropertySheetExtension(widget, parent);

    } else {

        return 0;

    }

}

//! [18]