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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtGui module 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QITEMEDITORFACTORY_H
#define QITEMEDITORFACTORY_H
#include <QtCore/qmetaobject.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qhash.h>
#include <QtCore/qvariant.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_ITEMVIEWS
class QWidget;
class Q_GUI_EXPORT QItemEditorCreatorBase
{
public:
virtual ~QItemEditorCreatorBase() {}
virtual QWidget *createWidget(QWidget *parent) const = 0;
virtual QByteArray valuePropertyName() const = 0;
};
template <class T>
class QItemEditorCreator : public QItemEditorCreatorBase
{
public:
inline QItemEditorCreator(const QByteArray &valuePropertyName);
inline QWidget *createWidget(QWidget *parent) const { return new T(parent); }
inline QByteArray valuePropertyName() const { return propertyName; }
private:
QByteArray propertyName;
};
template <class T>
class QStandardItemEditorCreator: public QItemEditorCreatorBase
{
public:
inline QStandardItemEditorCreator()
: propertyName(T::staticMetaObject.userProperty().name())
{}
inline QWidget *createWidget(QWidget *parent) const { return new T(parent); }
inline QByteArray valuePropertyName() const { return propertyName; }
private:
QByteArray propertyName;
};
template <class T>
Q_INLINE_TEMPLATE QItemEditorCreator<T>::QItemEditorCreator(const QByteArray &avaluePropertyName)
: propertyName(avaluePropertyName) {}
class Q_GUI_EXPORT QItemEditorFactory
{
public:
inline QItemEditorFactory() {}
virtual ~QItemEditorFactory();
virtual QWidget *createEditor(QVariant::Type type, QWidget *parent) const;
virtual QByteArray valuePropertyName(QVariant::Type type) const;
void registerEditor(QVariant::Type type, QItemEditorCreatorBase *creator);
static const QItemEditorFactory *defaultFactory();
static void setDefaultFactory(QItemEditorFactory *factory);
private:
QHash<QVariant::Type, QItemEditorCreatorBase *> creatorMap;
};
#endif // QT_NO_ITEMVIEWS
QT_END_NAMESPACE
QT_END_HEADER
#endif // QITEMEDITORFACTORY_H
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