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diff --git a/examples/tutorials/addressbook-fr/part3/addressbook.cpp b/examples/tutorials/addressbook-fr/part3/addressbook.cpp
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--- a/examples/tutorials/addressbook-fr/part3/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;
- nameLine->setReadOnly(true);
-
- QLabel *addressLabel = new QLabel(tr("Address:"));
- addressText = new QTextEdit;
- addressText->setReadOnly(true);
-
- addButton = new QPushButton(tr("&Add"));
- addButton->show();
- submitButton = new QPushButton(tr("&Submit"));
- submitButton->hide();
- cancelButton = new QPushButton(tr("&Cancel"));
- cancelButton->hide();
-//! [navigation pushbuttons]
- nextButton = new QPushButton(tr("&Next"));
- nextButton->setEnabled(false);
- previousButton = new QPushButton(tr("&Previous"));
- previousButton->setEnabled(false);
-//! [navigation pushbuttons]
-
- connect(addButton, SIGNAL(clicked()), this, SLOT(addContact()));
- connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact()));
- connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel()));
-//! [connecting navigation signals]
- connect(nextButton, SIGNAL(clicked()), this, SLOT(next()));
- connect(previousButton, SIGNAL(clicked()), this, SLOT(previous()));
-//! [connecting navigation signals]
-
- QVBoxLayout *buttonLayout1 = new QVBoxLayout;
- buttonLayout1->addWidget(addButton, Qt::AlignTop);
- buttonLayout1->addWidget(submitButton);
- buttonLayout1->addWidget(cancelButton);
- buttonLayout1->addStretch();
-//! [navigation layout]
- QHBoxLayout *buttonLayout2 = new QHBoxLayout;
- buttonLayout2->addWidget(previousButton);
- buttonLayout2->addWidget(nextButton);
-//! [ navigation 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);
-//! [adding navigation layout]
- mainLayout->addLayout(buttonLayout2, 3, 1);
-//! [adding navigation layout]
- setLayout(mainLayout);
- setWindowTitle(tr("Simple Address Book"));
-}
-
-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);
-//! [disabling navigation]
- nextButton->setEnabled(false);
- previousButton->setEnabled(false);
-//! [disabling navigation]
- submitButton->show();
- cancelButton->show();
-}
-
-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;
- }
-
- 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));
- }
-
- if (contacts.isEmpty()) {
- nameLine->clear();
- addressText->clear();
- }
-
- nameLine->setReadOnly(true);
- addressText->setReadOnly(true);
- addButton->setEnabled(true);
-
-//! [enabling navigation]
- int number = contacts.size();
- nextButton->setEnabled(number > 1);
- previousButton->setEnabled(number > 1);
-//! [enabling navigation]
- submitButton->hide();
- cancelButton->hide();
-}
-
-void AddressBook::cancel()
-{
- nameLine->setText(oldName);
- addressText->setText(oldAddress);
-
- if (contacts.isEmpty()) {
- nameLine->clear();
- addressText->clear();
- }
-
- nameLine->setReadOnly(true);
- addressText->setReadOnly(true);
- addButton->setEnabled(true);
-
- int number = contacts.size();
- nextButton->setEnabled(number > 1);
- previousButton->setEnabled(number > 1);
-
- submitButton->hide();
- cancelButton->hide();
-}
-
-//! [next() function]
-void AddressBook::next()
-{
- QString name = nameLine->text();
- QMap<QString, QString>::iterator i = contacts.find(name);
-
- if (i != contacts.end())
- i++;
-
- if (i == contacts.end())
- i = contacts.begin();
-
- nameLine->setText(i.key());
- addressText->setText(i.value());
-}
-//! [next() function]
-//! [previous() function]
-void AddressBook::previous()
-{
- QString name = nameLine->text();
- QMap<QString, QString>::iterator i = contacts.find(name);
-
- if (i == contacts.end()){
- nameLine->clear();
- addressText->clear();
- return;
- }
-
- if (i == contacts.begin())
- i = contacts.end();
-
- i--;
- nameLine->setText(i.key());
- addressText->setText(i.value());
-}
-//! [previous() function]