/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QITEMEDITORFACTORY_H+
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#define QITEMEDITORFACTORY_H+
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+
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#include <QtCore/qmetaobject.h>+
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#include <QtCore/qbytearray.h>+
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#include <QtCore/qhash.h>+
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#include <QtCore/qvariant.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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+
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#ifndef QT_NO_ITEMVIEWS+
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+
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class QWidget;+
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+
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class Q_GUI_EXPORT QItemEditorCreatorBase+
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{+
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public:+
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    virtual ~QItemEditorCreatorBase() {}+
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+
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    virtual QWidget *createWidget(QWidget *parent) const = 0;+
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    virtual QByteArray valuePropertyName() const = 0;+
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};+
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+
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template <class T>+
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class QItemEditorCreator : public QItemEditorCreatorBase+
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{+
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public:+
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    inline QItemEditorCreator(const QByteArray &valuePropertyName);+
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    inline QWidget *createWidget(QWidget *parent) const { return new T(parent); }+
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    inline QByteArray valuePropertyName() const { return propertyName; }+
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+
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private:+
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    QByteArray propertyName;+
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};+
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+
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template <class T>+
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class QStandardItemEditorCreator: public QItemEditorCreatorBase+
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{+
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public:+
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    inline QStandardItemEditorCreator()+
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        : propertyName(T::staticMetaObject.userProperty().name())+
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    {}+
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    inline QWidget *createWidget(QWidget *parent) const { return new T(parent); }+
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    inline QByteArray valuePropertyName() const { return propertyName; }+
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+
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private:+
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    QByteArray propertyName;+
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};+
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+
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+
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template <class T>+
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Q_INLINE_TEMPLATE QItemEditorCreator<T>::QItemEditorCreator(const QByteArray &avaluePropertyName)+
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    : propertyName(avaluePropertyName) {}+
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+
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class Q_GUI_EXPORT QItemEditorFactory+
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{+
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public:+
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    inline QItemEditorFactory() {}+
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    virtual ~QItemEditorFactory();+
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+
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    virtual QWidget *createEditor(QVariant::Type type, QWidget *parent) const;+
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    virtual QByteArray valuePropertyName(QVariant::Type type) const;+
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+
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    void registerEditor(QVariant::Type type, QItemEditorCreatorBase *creator);+
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+
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    static const QItemEditorFactory *defaultFactory();+
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    static void setDefaultFactory(QItemEditorFactory *factory);+
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+
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private:+
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    QHash<QVariant::Type, QItemEditorCreatorBase *> creatorMap;+
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};+
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+
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#endif // QT_NO_ITEMVIEWS+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QITEMEDITORFACTORY_H+
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