/******************************************************************************** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.**** This file is part of the example classes of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 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.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef VARIANTDELEGATE_H#define VARIANTDELEGATE_H#include <QItemDelegate>#include <QRegExp>class VariantDelegate : public QItemDelegate{    Q_OBJECTpublic:    VariantDelegate(QObject *parent = 0);    void paint(QPainter *painter, const QStyleOptionViewItem &option,               const QModelIndex &index) const;    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,                          const QModelIndex &index) const;    void setEditorData(QWidget *editor, const QModelIndex &index) const;    void setModelData(QWidget *editor, QAbstractItemModel *model,                      const QModelIndex &index) const;    static bool isSupportedType(QVariant::Type type);    static QString displayText(const QVariant &value);private:    mutable QRegExp boolExp;    mutable QRegExp byteArrayExp;    mutable QRegExp charExp;    mutable QRegExp colorExp;    mutable QRegExp dateExp;    mutable QRegExp dateTimeExp;    mutable QRegExp doubleExp;    mutable QRegExp pointExp;    mutable QRegExp rectExp;    mutable QRegExp signedIntegerExp;    mutable QRegExp sizeExp;    mutable QRegExp timeExp;    mutable QRegExp unsignedIntegerExp;};#endif