diff options
Diffstat (limited to 'examples/tutorials/addressbook/part3')
| -rw-r--r-- | examples/tutorials/addressbook/part3/addressbook.cpp | 217 | ||||
| -rw-r--r-- | examples/tutorials/addressbook/part3/addressbook.h | 87 | ||||
| -rw-r--r-- | examples/tutorials/addressbook/part3/main.cpp | 53 | ||||
| -rw-r--r-- | examples/tutorials/addressbook/part3/part3.pro | 9 |
4 files changed, 366 insertions, 0 deletions
diff --git a/examples/tutorials/addressbook/part3/addressbook.cpp b/examples/tutorials/addressbook/part3/addressbook.cpp new file mode 100644 index 0000000..49c5206 --- /dev/null +++ b/examples/tutorials/addressbook/part3/addressbook.cpp @@ -0,0 +1,217 @@ +/**************************************************************************** +** +** 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] diff --git a/examples/tutorials/addressbook/part3/addressbook.h b/examples/tutorials/addressbook/part3/addressbook.h new file mode 100644 index 0000000..c13dc21 --- /dev/null +++ b/examples/tutorials/addressbook/part3/addressbook.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ADDRESSBOOK_H +#define ADDRESSBOOK_H + +#include <QWidget> +#include <QMap> + +QT_BEGIN_NAMESPACE +class QLabel; +class QLineEdit; +class QPushButton; +class QTextEdit; +QT_END_NAMESPACE + +class AddressBook : public QWidget +{ + Q_OBJECT + +public: + AddressBook(QWidget *parent = 0); + +public slots: + void addContact(); + void submitContact(); + void cancel(); +//! [navigation functions] + void next(); + void previous(); +//! [navigation functions] + +private: + QPushButton *addButton; + QPushButton *submitButton; + QPushButton *cancelButton; +//! [navigation pushbuttons] + QPushButton *nextButton; + QPushButton *previousButton; +//! [navigation pushbuttons] + QLineEdit *nameLine; + QTextEdit *addressText; + + QMap<QString, QString> contacts; + QString oldName; + QString oldAddress; +}; + +#endif diff --git a/examples/tutorials/addressbook/part3/main.cpp b/examples/tutorials/addressbook/part3/main.cpp new file mode 100644 index 0000000..b25d656 --- /dev/null +++ b/examples/tutorials/addressbook/part3/main.cpp @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** 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" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + AddressBook *addressBook = new AddressBook; + addressBook->show(); + + return app.exec(); +} diff --git a/examples/tutorials/addressbook/part3/part3.pro b/examples/tutorials/addressbook/part3/part3.pro new file mode 100644 index 0000000..128c038 --- /dev/null +++ b/examples/tutorials/addressbook/part3/part3.pro @@ -0,0 +1,9 @@ +SOURCES = addressbook.cpp \ + main.cpp +HEADERS = addressbook.h + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/tutorials/addressbook/part3 +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS part3.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/tutorials/addressbook/part3 +INSTALLS += target sources |