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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the documentation 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 Nokia Corporation and its Subsidiary(-ies) 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+  main.cpp
+
+  A simple example of how to access items from an existing model.
+*/
+
+#include <QtGui>
+
+/*!
+    Create a default directory model and, using the index-based interface to
+    the model and some QLabel widgets, populate the window's layout with the
+    names of objects in the directory.
+
+    Note that we only want to read the filenames in the highest level of the
+    directory, so we supply a default (invalid) QModelIndex to the model in
+    order to indicate that we want top-level items.
+*/
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    QWidget *window = new QWidget;
+    QVBoxLayout *layout = new QVBoxLayout(window);
+    QLabel *title = new QLabel("Some items from the directory model", window);
+    title->setBackgroundRole(QPalette::Base);
+    title->setMargin(8);
+    layout->addWidget(title);
+    
+//! [0]
+    QFileSystemModel *model = new QFileSystemModel;
+    QModelIndex parentIndex = model->index(QDir::currentPath());
+    int numRows = model->rowCount(parentIndex);
+//! [0]
+
+//! [1]
+    for (int row = 0; row < numRows; ++row) {
+        QModelIndex index = model->index(row, 0, parentIndex);
+//! [1]
+
+//! [2]
+        QString text = model->data(index, Qt::DisplayRole).toString();
+        // Display the text in a widget.
+//! [2]
+
+        QLabel *label = new QLabel(text, window);
+        layout->addWidget(label);
+//! [3]
+    }
+//! [3]
+
+    window->setWindowTitle("A simple model example");
+    window->show();
+    return app.exec();
+}