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# mysortfilterproxymodel.h Example File
itemviews/customsortfiltermodel/mysortfilterproxymodel.h

    /****************************************************************************
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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.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
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    ** not clear to you.
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    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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