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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#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 == "" || address == "") {
+ QMessageBox::information(this, tr("Empty Field"),
+ tr("Please enter a name and adderss."));
+ 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));
+ return;
+ }
+
+ 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]
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