- Qt 5.5
- Qt Widgets
- Custom Sort/Filter Model Example
- main.cpp Example File
- Qt 5.5.1 Reference Documentation

# main.cpp Example File

itemviews/customsortfiltermodel/main.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of The Qt Company Ltd nor the names of its
    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
    **
    ** $QT_END_LICENSE$
    **
    ****************************************************************************/

    #include <QtWidgets>

    #include "window.h"

    void addMail(QAbstractItemModel *model, const QString &subject,
                 const QString &sender, const QDateTime &date)
    {
        model->insertRow(0);
        model->setData(model->index(0, 0), subject);
        model->setData(model->index(0, 1), sender);
        model->setData(model->index(0, 2), date);
    }

    QAbstractItemModel *createMailModel(QObject *parent)
    {
        QStandardItemModel *model = new QStandardItemModel(0, 3, parent);

        model->setHeaderData(0, Qt::Horizontal, QObject::tr("Subject"));
        model->setHeaderData(1, Qt::Horizontal, QObject::tr("Sender"));
        model->setHeaderData(2, Qt::Horizontal, QObject::tr("Date"));

        addMail(model, "Happy New Year!", "Grace K. <grace@software-inc.com>",
                QDateTime(QDate(2006, 12, 31), QTime(17, 03)));
        addMail(model, "Radically new concept", "Grace K. <grace@software-inc.com>",
                QDateTime(QDate(2006, 12, 22), QTime(9, 44)));
        addMail(model, "Accounts", "pascale@nospam.com",
                QDateTime(QDate(2006, 12, 31), QTime(12, 50)));
        addMail(model, "Expenses", "Joe Bloggs <joe@bloggs.com>",
                QDateTime(QDate(2006, 12, 25), QTime(11, 39)));
        addMail(model, "Re: Expenses", "Andy <andy@nospam.com>",
                QDateTime(QDate(2007, 01, 02), QTime(16, 05)));
        addMail(model, "Re: Accounts", "Joe Bloggs <joe@bloggs.com>",
                QDateTime(QDate(2007, 01, 03), QTime(14, 18)));
        addMail(model, "Re: Accounts", "Andy <andy@nospam.com>",
                QDateTime(QDate(2007, 01, 03), QTime(14, 26)));
        addMail(model, "Sports", "Linda Smith <linda.smith@nospam.com>",
                QDateTime(QDate(2007, 01, 05), QTime(11, 33)));
        addMail(model, "AW: Sports", "Rolf Newschweinstein <rolfn@nospam.com>",
                QDateTime(QDate(2007, 01, 05), QTime(12, 00)));
        addMail(model, "RE: Sports", "Petra Schmidt <petras@nospam.com>",
                QDateTime(QDate(2007, 01, 05), QTime(12, 01)));

        return model;
    }

    int main(int argc, char *argv[])
    {
        QApplication app(argc, argv);
        Window window;
        window.setSourceModel(createMailModel(&window));
        window.show();
        return app.exec();
    }