/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying ** this package. ** ** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include "window.h" //! [Set up widgets] Window::Window(QWidget *parent) : QWidget(parent) { setupModel(); nameLabel = new QLabel(tr("Na&me:")); nameEdit = new QLineEdit(); addressLabel = new QLabel(tr("&Address:")); addressEdit = new QTextEdit(); typeLabel = new QLabel(tr("&Type:")); typeComboBox = new QComboBox(); nextButton = new QPushButton(tr("&Next")); previousButton = new QPushButton(tr("&Previous")); nameLabel->setBuddy(nameEdit); addressLabel->setBuddy(addressEdit); typeLabel->setBuddy(typeComboBox); typeComboBox->setModel(typeModel); //! [Set up widgets] //! [Set up the mapper] mapper = new QDataWidgetMapper(this); mapper->setModel(model); mapper->addMapping(nameEdit, 0); mapper->addMapping(addressEdit, 1); mapper->addMapping(typeComboBox, 2, "currentIndex"); //! [Set up the mapper] //! [Set up connections and layouts] connect(previousButton, SIGNAL(clicked()), mapper, SLOT(toPrevious())); connect(nextButton, SIGNAL(clicked()), mapper, SLOT(toNext())); connect(mapper, SIGNAL(currentIndexChanged(int)), this, SLOT(updateButtons(int))); QGridLayout *layout = new QGridLayout(); layout->addWidget(nameLabel, 0, 0, 1, 1); layout->addWidget(nameEdit, 0, 1, 1, 1); layout->addWidget(previousButton, 0, 2, 1, 1); layout->addWidget(addressLabel, 1, 0, 1, 1); layout->addWidget(addressEdit, 1, 1, 2, 1); layout->addWidget(nextButton, 1, 2, 1, 1); layout->addWidget(typeLabel, 3, 0, 1, 1); layout->addWidget(typeComboBox, 3, 1, 1, 1); setLayout(layout); setWindowTitle(tr("Delegate Widget Mapper")); mapper->toFirst(); } //! [Set up connections and layouts] //! [Set up the model] void Window::setupModel() { QStringList items; items << tr("Home") << tr("Work") << tr("Other"); typeModel = new QStringListModel(items, this); model = new QStandardItemModel(5, 3, this); QStringList names; names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma"; QStringList addresses; addresses << "123 Main Street
Market Town
" << "PO Box 32
Mail Handling Service" "
Service City
" << "The Lighthouse
Remote Island
" << "47338 Park Avenue
Big City
" << "Research Station
Base Camp
Big Mountain
"; QStringList types; types << "0" << "1" << "2" << "0" << "2"; for (int row = 0; row < 5; ++row) { QStandardItem *item = new QStandardItem(names[row]); model->setItem(row, 0, item); item = new QStandardItem(addresses[row]); model->setItem(row, 1, item); item = new QStandardItem(types[row]); model->setItem(row, 2, item); } } //! [Set up the model] //! [Slot for updating the buttons] void Window::updateButtons(int row) { previousButton->setEnabled(row > 0); nextButton->setEnabled(row < model->rowCount() - 1); } //! [Slot for updating the buttons]