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main.cpp Example File
^{itemviews/sortingmodel/main.cpp}

    /****************************************************************************
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    ** Copyright (C) 2005-2006 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation 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
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    ** http://www.trolltech.com/products/qt/opensource.html
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    ** review the following information:
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    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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    #include <QtGui>

    #include "treemodel.h"

    int main(int argc, char *argv[])
    {
        QApplication app(argc, argv);

        QFile file(":/default.txt");
        file.open(QIODevice::ReadOnly);
        TreeModel model(file.readAll());
        file.close();

        QTreeView unsortedView;
        unsortedView.setModel(&model);
        unsortedView.setWindowTitle(QObject::tr("Unsorted Data"));
        unsortedView.show();

        QSortFilterProxyModel sortingModel;
        sortingModel.setSourceModel(&model);

        QTreeView sortedView;
        sortedView.setModel(&sortingModel);
        sortedView.setWindowTitle(QObject::tr("Sorted Data"));
        sortedView.header()->setSortIndicator(1, Qt::AscendingOrder);
        sortedView.header()->setSortIndicatorShown(true);
        sortedView.header()->setClickable(true);
        sortedView.show();

        return app.exec();
    }