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diff --git a/examples/declarative/tutorials/extending/chapter3-bindings/piechart.cpp b/examples/declarative/tutorials/extending/chapter3-bindings/piechart.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "piechart.h"
+#include <QPainter>
+#include <QDebug>
+
+PieChart::PieChart(QDeclarativeItem *parent)
+    : QDeclarativeItem(parent)
+{
+    // need to disable this flag to draw inside a QDeclarativeItem
+    setFlag(QGraphicsItem::ItemHasNoContents, false);
+}
+
+QString PieChart::name() const
+{
+    return m_name;
+}
+
+void PieChart::setName(const QString &name)
+{
+    m_name = name;
+}
+
+QColor PieChart::color() const
+{
+    return m_color;
+}
+
+//![0]
+void PieChart::setColor(const QColor &color)
+{
+    if (color != m_color) {
+        m_color = color;
+        update();   // repaint with the new color
+        emit colorChanged();
+    }
+}
+//![0]
+
+void PieChart::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+{
+    QPen pen(m_color, 2);
+    painter->setPen(pen);
+    painter->setRenderHints(QPainter::Antialiasing, true);
+    painter->drawPie(boundingRect(), 90 * 16, 290 * 16);
+}
+
+void PieChart::clearChart()
+{
+    setColor(QColor(Qt::transparent));
+    update();
+}