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# main.cpp Example File
itemviews/customsortfiltermodel/main.cpp

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     ** This file is part of the documentation of the Qt Toolkit.
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     ** 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
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    ** included in the packaging of this file.  Alternatively you may (at
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     #include <QtGui>

     #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();
     }