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diff --git a/examples/itemviews/addressbook/addresswidget.cpp b/examples/itemviews/addressbook/addresswidget.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 <QtGui>
+#include "addresswidget.h"
+#include "adddialog.h"
+
+//! [0]
+AddressWidget::AddressWidget(QWidget *parent)
+    : QTabWidget(parent)
+{
+    table = new TableModel(this);
+    newAddressTab = new NewAddressTab(this);
+    connect(newAddressTab, SIGNAL(sendDetails(QString,QString)),
+        this, SLOT(addEntry(QString,QString))); 
+
+    addTab(newAddressTab, "Address Book");    
+
+    setupTabs();
+}
+//! [0]
+
+//! [2]
+void AddressWidget::addEntry()
+{    
+    AddDialog aDialog;
+
+    if (aDialog.exec()) {
+        QString name = aDialog.nameText->text();
+        QString address = aDialog.addressText->toPlainText();
+        
+        addEntry(name, address);
+    }
+}
+//! [2]
+
+//! [3]
+void AddressWidget::addEntry(QString name, QString address)
+{    
+    QList< QPair<QString, QString> >list = table->getList();
+    QPair<QString, QString> pair(name, address);
+
+    if (!list.contains(pair)) {
+        table->insertRows(0, 1, QModelIndex());
+
+        QModelIndex index = table->index(0, 0, QModelIndex());
+        table->setData(index, name, Qt::EditRole);
+        index = table->index(0, 1, QModelIndex());
+        table->setData(index, address, Qt::EditRole);
+        removeTab(indexOf(newAddressTab));
+    } else {
+        QMessageBox::information(this, tr("Duplicate Name"),
+            tr("The name \"%1\" already exists.").arg(name));
+    }
+}
+//! [3]
+
+//! [4a]
+void AddressWidget::editEntry()
+{
+    QTableView *temp = static_cast<QTableView*>(currentWidget());
+    QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model());
+    QItemSelectionModel *selectionModel = temp->selectionModel();
+
+    QModelIndexList indexes = selectionModel->selectedRows();
+    QModelIndex index, i;        
+    QString name;
+    QString address;
+    int row = -1;
+
+    foreach (index, indexes) {
+        row = proxy->mapToSource(index).row();
+        i = table->index(row, 0, QModelIndex());
+        QVariant varName = table->data(i, Qt::DisplayRole);
+        name = varName.toString();
+    
+        i = table->index(row, 1, QModelIndex());
+        QVariant varAddr = table->data(i, Qt::DisplayRole);
+        address = varAddr.toString();
+    }
+//! [4a]
+    
+//! [4b]    
+    AddDialog aDialog;
+    aDialog.setWindowTitle(tr("Edit a Contact"));
+
+    aDialog.nameText->setReadOnly(true);
+    aDialog.nameText->setText(name);
+    aDialog.addressText->setText(address);
+
+    if (aDialog.exec()) {
+        QString newAddress = aDialog.addressText->toPlainText();
+        if (newAddress != address) {
+            i = table->index(row, 1, QModelIndex());
+            table->setData(i, newAddress, Qt::EditRole);
+        }
+    }
+}
+//! [4b]
+
+//! [5]
+void AddressWidget::removeEntry()
+{
+    QTableView *temp = static_cast<QTableView*>(currentWidget());
+    QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model());
+    QItemSelectionModel *selectionModel = temp->selectionModel();
+    
+    QModelIndexList indexes = selectionModel->selectedRows();
+    QModelIndex index;
+
+    foreach (index, indexes) {
+        int row = proxy->mapToSource(index).row();
+        table->removeRows(row, 1, QModelIndex());
+    }
+
+    if (table->rowCount(QModelIndex()) == 0) {
+        insertTab(0, newAddressTab, "Address Book");
+    }
+}
+//! [5]
+
+//! [1]
+void AddressWidget::setupTabs()
+{
+    QStringList groups;
+    groups << "ABC" << "DEF" << "GHI" << "JKL" << "MNO" << "PQR" << "STU" << "VW" << "XYZ";
+
+    for (int i = 0; i < groups.size(); ++i) {
+        QString str = groups.at(i);
+        
+        proxyModel = new QSortFilterProxyModel(this);
+        proxyModel->setSourceModel(table);
+        proxyModel->setDynamicSortFilter(true);
+    
+        QTableView *tableView = new QTableView;
+        tableView->setModel(proxyModel);
+        tableView->setSortingEnabled(true);
+        tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
+        tableView->horizontalHeader()->setStretchLastSection(true);
+        tableView->verticalHeader()->hide();
+        tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
+        tableView->setSelectionMode(QAbstractItemView::SingleSelection);
+
+        QString newStr = QString("^[%1].*").arg(str);
+
+        proxyModel->setFilterRegExp(QRegExp(newStr, Qt::CaseInsensitive));
+        proxyModel->setFilterKeyColumn(0);
+        proxyModel->sort(0, Qt::AscendingOrder);
+    
+        connect(tableView->selectionModel(),
+            SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
+            this, SIGNAL(selectionChanged(QItemSelection)));
+
+        addTab(tableView, str);
+    }
+}
+//! [1]
+
+//! [7]
+void AddressWidget::readFromFile(QString fileName)
+{
+    QFile file(fileName);
+
+    if (!file.open(QIODevice::ReadOnly)) {
+        QMessageBox::information(this, tr("Unable to open file"),
+            file.errorString());
+        return;
+    }
+
+    QList< QPair<QString, QString> > pairs = table->getList();    
+    QDataStream in(&file);
+    in >> pairs;
+
+    if (pairs.isEmpty()) {
+        QMessageBox::information(this, tr("No contacts in file"),
+            tr("The file you are attempting to open contains no contacts."));  
+    } else {
+        for (int i=0; i<pairs.size(); ++i) {
+            QPair<QString, QString> p = pairs.at(i);
+            addEntry(p.first, p.second);
+        }
+    }
+}
+//! [7]
+
+//! [6]
+void AddressWidget::writeToFile(QString fileName)
+{
+    QFile file(fileName);
+
+    if (!file.open(QIODevice::WriteOnly)) {
+        QMessageBox::information(this, tr("Unable to open file"), file.errorString());
+        return;
+    }
+
+    QList< QPair<QString, QString> > pairs = table->getList();
+    QDataStream out(&file);
+    out << pairs;
+}
+//! [6]