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main.cpp

/****************************************************************************
**
** Copyright (C) 2006-2008 Trolltech ASA. All rights reserved.
**
** 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
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
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** (or its successors, if any) and the KDE Free Qt Foundation. In
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****************************************************************************/

#include <QtGui>
#include <QApplication>
#include <QSortFilterProxyModel>

class MyItemModel : public QStandardItemModel
{
public:
    MyItemModel(QWidget *parent = 0);
};

MyItemModel::MyItemModel(QWidget *parent)
    : QStandardItemModel(parent)
{};

class Widget : public QWidget
{
public:
    Widget(QWidget *parent = 0);
};

Widget::Widget(QWidget *parent)
    : QWidget(parent)
{
//! [0] //! [1]
        QTreeView *treeView = new QTreeView;
//! [0]
        MyItemModel *model = new MyItemModel(this);

        treeView->setModel(model);
//! [1]

//! [2]
        MyItemModel *sourceModel = new MyItemModel(this);
        QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this);

        proxyModel->setSourceModel(sourceModel);
        treeView->setModel(proxyModel);
//! [2]

//! [3]
        treeView->setSortingEnabled(true);
//! [3]

//! [4]
        proxyModel->sort(2, Qt::AscendingOrder);
//! [4] //! [5]
        proxyModel->setFilterRegExp(QRegExp(".png", Qt::CaseInsensitive,
                                            QRegExp::FixedString));
        proxyModel->setFilterKeyColumn(1);
//! [5]
}

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    Widget widget;
    widget.show();
    return app.exec();
}

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