qitemeditorfactory.h
上传用户:detong
上传日期:2022-06-22
资源大小:20675k
文件大小:4k
- /****************************************************************************
- **
- ** Copyright (C) 2008 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.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
- **
- ** If you are unsure which license is appropriate for your use, please
- ** contact the sales department at qt-sales@nokia.com.
- **
- ****************************************************************************/
- #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