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diff --git a/examples/widgets/tutorials/addressbook/part2/addressbook.cpp b/examples/widgets/tutorials/addressbook/part2/addressbook.cpp
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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 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 <QtWidgets>
+#include "addressbook.h"
+
+AddressBook::AddressBook(QWidget *parent)
+    : QWidget(parent)
+{
+    QLabel *nameLabel = new QLabel(tr("Name:"));
+    nameLine = new QLineEdit;
+//! [setting readonly 1]
+    nameLine->setReadOnly(true);
+//! [setting readonly 1]
+    QLabel *addressLabel = new QLabel(tr("Address:"));
+    addressText = new QTextEdit;
+//! [setting readonly 2]    
+    addressText->setReadOnly(true);
+//! [setting readonly 2]
+   
+//! [pushbutton declaration]
+    addButton = new QPushButton(tr("&Add"));
+    addButton->show();
+    submitButton = new QPushButton(tr("&Submit"));
+    submitButton->hide();
+    cancelButton = new QPushButton(tr("&Cancel"));
+    cancelButton->hide();
+//! [pushbutton declaration]
+//! [connecting signals and slots]
+    connect(addButton, SIGNAL(clicked()), this, SLOT(addContact()));
+    connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact()));
+    connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel()));
+//! [connecting signals and slots]
+//! [vertical layout]
+    QVBoxLayout *buttonLayout1 = new QVBoxLayout;
+    buttonLayout1->addWidget(addButton, Qt::AlignTop);
+    buttonLayout1->addWidget(submitButton);
+    buttonLayout1->addWidget(cancelButton);
+    buttonLayout1->addStretch();
+//! [vertical layout]
+//! [grid layout]
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->addWidget(nameLabel, 0, 0);
+    mainLayout->addWidget(nameLine, 0, 1);
+    mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
+    mainLayout->addWidget(addressText, 1, 1);
+    mainLayout->addLayout(buttonLayout1, 1, 2);
+//! [grid layout]
+    setLayout(mainLayout);
+    setWindowTitle(tr("Simple Address Book"));
+}
+//! [addContact]
+void AddressBook::addContact()
+{
+    oldName = nameLine->text();
+    oldAddress = addressText->toPlainText();
+
+    nameLine->clear();
+    addressText->clear();
+    
+    nameLine->setReadOnly(false);
+    nameLine->setFocus(Qt::OtherFocusReason);
+    addressText->setReadOnly(false);
+
+    addButton->setEnabled(false);
+    submitButton->show();
+    cancelButton->show();
+}
+//! [addContact]
+
+//! [submitContact part1]
+void AddressBook::submitContact()
+{
+    QString name = nameLine->text();
+    QString address = addressText->toPlainText();
+    
+    if (name.isEmpty() || address.isEmpty()) {
+        QMessageBox::information(this, tr("Empty Field"),
+            tr("Please enter a name and address."));
+        return;
+    }
+//! [submitContact part1]
+//! [submitContact part2]
+    if (!contacts.contains(name)) {
+        contacts.insert(name, address);
+        QMessageBox::information(this, tr("Add Successful"),
+            tr("\"%1\" has been added to your address book.").arg(name));
+    } else {
+        QMessageBox::information(this, tr("Add Unsuccessful"),
+            tr("Sorry, \"%1\" is already in your address book.").arg(name));
+        return;
+    }
+//! [submitContact part2]
+//! [submitContact part3]
+    if (contacts.isEmpty()) {
+        nameLine->clear();
+        addressText->clear();
+    }
+
+    nameLine->setReadOnly(true);
+    addressText->setReadOnly(true);
+    addButton->setEnabled(true);
+    submitButton->hide();
+    cancelButton->hide();
+}
+//! [submitContact part3]
+//! [cancel]
+void AddressBook::cancel()
+{
+    nameLine->setText(oldName);
+    nameLine->setReadOnly(true);
+
+    addressText->setText(oldAddress);
+    addressText->setReadOnly(true);
+
+    addButton->setEnabled(true);
+    submitButton->hide();
+    cancelButton->hide();    
+}
+//! [cancel]