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Diffstat (limited to 'examples/itemviews/addressbook/mainwindow.cpp')
-rw-r--r-- | examples/itemviews/addressbook/mainwindow.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/examples/itemviews/addressbook/mainwindow.cpp b/examples/itemviews/addressbook/mainwindow.cpp new file mode 100644 index 0000000..8923522 --- /dev/null +++ b/examples/itemviews/addressbook/mainwindow.cpp @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** 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 "mainwindow.h" + +//! [0] +MainWindow::MainWindow() +{ + addressWidget = new AddressWidget; + setCentralWidget(addressWidget); + createMenus(); + setWindowTitle(tr("Address Book")); +} +//! [0] + +//! [1a] +void MainWindow::createMenus() +{ + fileMenu = menuBar()->addMenu(tr("&File")); + + openAct = new QAction(tr("&Open..."), this); + fileMenu->addAction(openAct); + connect(openAct, SIGNAL(triggered()), + this, SLOT(openFile())); +//! [1a] + + saveAct = new QAction(tr("&Save As..."), this); + fileMenu->addAction(saveAct); + connect(saveAct, SIGNAL(triggered()), + this, SLOT(saveFile())); + + fileMenu->addSeparator(); + + exitAct = new QAction(tr("E&xit"), this); + fileMenu->addAction(exitAct); + connect(exitAct, SIGNAL(triggered()), + this, SLOT(close())); + + toolMenu = menuBar()->addMenu(tr("&Tools")); + + addAct = new QAction(tr("&Add Entry..."), this); + toolMenu->addAction(addAct); + connect(addAct, SIGNAL(triggered()), + addressWidget, SLOT(addEntry())); + +//! [1b] + editAct = new QAction(tr("&Edit Entry..."), this); + editAct->setEnabled(false); + toolMenu->addAction(editAct); + connect(editAct, SIGNAL(triggered()), + addressWidget, SLOT(editEntry())); + + toolMenu->addSeparator(); + + removeAct = new QAction(tr("&Remove Entry"), this); + removeAct->setEnabled(false); + toolMenu->addAction(removeAct); + connect(removeAct, SIGNAL(triggered()), + addressWidget, SLOT(removeEntry())); + + connect(addressWidget, SIGNAL(selectionChanged(const QItemSelection &)), + this, SLOT(updateActions(const QItemSelection &))); +} +//! [1b] + +//! [2] +void MainWindow::openFile() +{ + QString fileName = QFileDialog::getOpenFileName(this); + if (!fileName.isEmpty()) { + addressWidget->readFromFile(fileName); + } +} +//! [2] + +//! [3] +void MainWindow::saveFile() +{ + QString fileName = QFileDialog::getSaveFileName(this); + if (!fileName.isEmpty()) { + addressWidget->writeToFile(fileName); + } +} +//! [3] + +//! [4] +void MainWindow::updateActions(const QItemSelection &selection) +{ + QModelIndexList indexes = selection.indexes(); + + if (!indexes.isEmpty()) { + removeAct->setEnabled(true); + editAct->setEnabled(true); + } else { + removeAct->setEnabled(false); + editAct->setEnabled(false); + } +} +//! [4] |