mysortfilterproxymodel.h

QT 开发环境里面一个很重要的文件

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**
** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
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** License version 2.0 as published by the Free Software Foundation
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#ifndef MYSORTFILTERPROXYMODEL_H
#define MYSORTFILTERPROXYMODEL_H

#include <QDate>
#include <QSortFilterProxyModel>

class MySortFilterProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT

public:
    MySortFilterProxyModel(QObject *parent = 0);

    QDate filterMinimumDate() const { return minDate; }
    void setFilterMinimumDate(const QDate &date);

    QDate filterMaximumDate() const { return maxDate; }
    void setFilterMaximumDate(const QDate &date);

protected:
    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;
    bool lessThan(const QModelIndex &left, const QModelIndex &right) const;

private:
    bool dateInRange(const QDate &date) const;

    QDate minDate;
    QDate maxDate;
};

#endif