5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
313 lines
9.8 KiB
C++
313 lines
9.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "addressbook.h"
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AddressBook::AddressBook(QWidget *parent)
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: QWidget(parent)
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{
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QLabel *nameLabel = new QLabel(tr("Name:"));
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nameLine = new QLineEdit;
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nameLine->setReadOnly(true);
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QLabel *addressLabel = new QLabel(tr("Address:"));
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addressText = new QTextEdit;
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addressText->setReadOnly(true);
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addButton = new QPushButton(tr("&Add"));
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editButton = new QPushButton(tr("&Edit"));
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editButton->setEnabled(false);
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removeButton = new QPushButton(tr("&Remove"));
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removeButton->setEnabled(false);
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//! [instantiating findButton]
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findButton = new QPushButton(tr("&Find"));
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findButton->setEnabled(false);
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//! [instantiating findButton]
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submitButton = new QPushButton(tr("&Submit"));
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submitButton->hide();
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cancelButton = new QPushButton(tr("&Cancel"));
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cancelButton->hide();
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nextButton = new QPushButton(tr("&Next"));
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nextButton->setEnabled(false);
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previousButton = new QPushButton(tr("&Previous"));
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previousButton->setEnabled(false);
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//! [instantiating FindDialog]
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dialog = new FindDialog;
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//! [instantiating FindDialog]
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connect(addButton, SIGNAL(clicked()), this, SLOT(addContact()));
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connect(submitButton, SIGNAL(clicked()), this, SLOT(submitContact()));
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connect(editButton, SIGNAL(clicked()), this, SLOT(editContact()));
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connect(cancelButton, SIGNAL(clicked()), this, SLOT(cancel()));
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connect(removeButton, SIGNAL(clicked()), this, SLOT(removeContact()));
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//! [signals and slots for find]
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connect(findButton, SIGNAL(clicked()), this, SLOT(findContact()));
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//! [signals and slots for find]
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connect(nextButton, SIGNAL(clicked()), this, SLOT(next()));
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connect(previousButton, SIGNAL(clicked()), this, SLOT(previous()));
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QVBoxLayout *buttonLayout1 = new QVBoxLayout;
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buttonLayout1->addWidget(addButton);
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buttonLayout1->addWidget(editButton);
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buttonLayout1->addWidget(removeButton);
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//! [adding findButton to layout]
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buttonLayout1->addWidget(findButton);
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//! [adding findButton to layout]
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buttonLayout1->addWidget(submitButton);
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buttonLayout1->addWidget(cancelButton);
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buttonLayout1->addStretch();
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QHBoxLayout *buttonLayout2 = new QHBoxLayout;
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buttonLayout2->addWidget(previousButton);
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buttonLayout2->addWidget(nextButton);
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QGridLayout *mainLayout = new QGridLayout;
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mainLayout->addWidget(nameLabel, 0, 0);
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mainLayout->addWidget(nameLine, 0, 1);
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mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
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mainLayout->addWidget(addressText, 1, 1);
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mainLayout->addLayout(buttonLayout1, 1, 2);
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mainLayout->addLayout(buttonLayout2, 2, 1);
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setLayout(mainLayout);
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setWindowTitle(tr("Simple Address Book"));
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}
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void AddressBook::addContact()
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{
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oldName = nameLine->text();
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oldAddress = addressText->toPlainText();
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nameLine->clear();
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addressText->clear();
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updateInterface(AddingMode);
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}
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void AddressBook::editContact()
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{
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oldName = nameLine->text();
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oldAddress = addressText->toPlainText();
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updateInterface(EditingMode);
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}
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void AddressBook::submitContact()
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{
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QString name = nameLine->text();
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QString address = addressText->toPlainText();
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if (name.isEmpty() || address.isEmpty()) {
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QMessageBox::information(this, tr("Empty Field"),
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tr("Please enter a name and address."));
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return;
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}
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if (currentMode == AddingMode) {
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if (!contacts.contains(name)) {
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contacts.insert(name, address);
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QMessageBox::information(this, tr("Add Successful"),
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tr("\"%1\" has been added to your address book.").arg(name));
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} else {
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QMessageBox::information(this, tr("Add Unsuccessful"),
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tr("Sorry, \"%1\" is already in your address book.").arg(name));
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}
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} else if (currentMode == EditingMode) {
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if (oldName != name) {
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if (!contacts.contains(name)) {
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QMessageBox::information(this, tr("Edit Successful"),
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tr("\"%1\" has been edited in your address book.").arg(oldName));
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contacts.remove(oldName);
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contacts.insert(name, address);
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} else {
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QMessageBox::information(this, tr("Edit Unsuccessful"),
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tr("Sorry, \"%1\" is already in your address book.").arg(name));
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}
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} else if (oldAddress != address) {
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QMessageBox::information(this, tr("Edit Successful"),
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tr("\"%1\" has been edited in your address book.").arg(name));
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contacts[name] = address;
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}
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}
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updateInterface(NavigationMode);
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}
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void AddressBook::cancel()
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{
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nameLine->setText(oldName);
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addressText->setText(oldAddress);
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updateInterface(NavigationMode);
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}
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void AddressBook::removeContact()
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{
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QString name = nameLine->text();
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QString address = addressText->toPlainText();
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if (contacts.contains(name)) {
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int button = QMessageBox::question(this,
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tr("Confirm Remove"),
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tr("Are you sure you want to remove \"%1\"?").arg(name),
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QMessageBox::Yes | QMessageBox::No);
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if (button == QMessageBox::Yes) {
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previous();
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contacts.remove(name);
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QMessageBox::information(this, tr("Remove Successful"),
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tr("\"%1\" has been removed from your address book.").arg(name));
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}
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}
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updateInterface(NavigationMode);
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}
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void AddressBook::next()
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{
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QString name = nameLine->text();
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QMap<QString, QString>::iterator i = contacts.find(name);
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if (i != contacts.end())
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i++;
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if (i == contacts.end())
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i = contacts.begin();
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nameLine->setText(i.key());
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addressText->setText(i.value());
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}
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void AddressBook::previous()
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{
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QString name = nameLine->text();
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QMap<QString, QString>::iterator i = contacts.find(name);
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if (i == contacts.end()) {
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nameLine->clear();
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addressText->clear();
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return;
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}
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if (i == contacts.begin())
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i = contacts.end();
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i--;
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nameLine->setText(i.key());
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addressText->setText(i.value());
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}
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//! [findContact() function]
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void AddressBook::findContact()
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{
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dialog->show();
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if (dialog->exec() == QDialog::Accepted) {
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QString contactName = dialog->getFindText();
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if (contacts.contains(contactName)) {
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nameLine->setText(contactName);
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addressText->setText(contacts.value(contactName));
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} else {
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QMessageBox::information(this, tr("Contact Not Found"),
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tr("Sorry, \"%1\" is not in your address book.").arg(contactName));
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return;
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}
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}
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updateInterface(NavigationMode);
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}
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//! [findContact() function]
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void AddressBook::updateInterface(Mode mode)
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{
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currentMode = mode;
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switch (currentMode) {
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case AddingMode:
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case EditingMode:
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nameLine->setReadOnly(false);
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nameLine->setFocus(Qt::OtherFocusReason);
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addressText->setReadOnly(false);
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addButton->setEnabled(false);
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editButton->setEnabled(false);
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removeButton->setEnabled(false);
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nextButton->setEnabled(false);
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previousButton->setEnabled(false);
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submitButton->show();
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cancelButton->show();
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break;
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case NavigationMode:
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if (contacts.isEmpty()) {
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nameLine->clear();
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addressText->clear();
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}
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nameLine->setReadOnly(true);
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addressText->setReadOnly(true);
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addButton->setEnabled(true);
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int number = contacts.size();
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editButton->setEnabled(number >= 1);
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removeButton->setEnabled(number >= 1);
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findButton->setEnabled(number > 2);
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nextButton->setEnabled(number > 1);
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previousButton->setEnabled(number > 1);
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submitButton->hide();
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cancelButton->hide();
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break;
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}
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}
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