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Diffstat (limited to 'examples/tutorials/addressbook/part2/addressbook.cpp')
| -rw-r--r-- | examples/tutorials/addressbook/part2/addressbook.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/examples/tutorials/addressbook/part2/addressbook.cpp b/examples/tutorials/addressbook/part2/addressbook.cpp new file mode 100644 index 0000000..ac4b9c1 --- /dev/null +++ b/examples/tutorials/addressbook/part2/addressbook.cpp @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** 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; +//! [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 == "" || address == "") { + 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] |