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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtWidgets>
+
+#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();
+ ageLabel = new QLabel(tr("A&ge (in years):"));
+ ageSpinBox = new QSpinBox();
+ nextButton = new QPushButton(tr("&Next"));
+ previousButton = new QPushButton(tr("&Previous"));
+
+ nameLabel->setBuddy(nameEdit);
+ addressLabel->setBuddy(addressEdit);
+ ageLabel->setBuddy(ageSpinBox);
+//! [Set up widgets]
+
+//! [Set up the mapper]
+ mapper = new QDataWidgetMapper(this);
+ mapper->setModel(model);
+ mapper->addMapping(nameEdit, 0);
+ mapper->addMapping(addressEdit, 1);
+ mapper->addMapping(ageSpinBox, 2);
+
+ connect(previousButton, SIGNAL(clicked()),
+ mapper, SLOT(toPrevious()));
+ connect(nextButton, SIGNAL(clicked()),
+ mapper, SLOT(toNext()));
+ connect(mapper, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(updateButtons(int)));
+//! [Set up the mapper]
+
+//! [Set up the layout]
+ 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(ageLabel, 3, 0, 1, 1);
+ layout->addWidget(ageSpinBox, 3, 1, 1, 1);
+ setLayout(layout);
+
+ setWindowTitle(tr("Simple Widget Mapper"));
+ mapper->toFirst();
+}
+//! [Set up the layout]
+
+//! [Set up the model]
+void Window::setupModel()
+{
+ model = new QStandardItemModel(5, 3, this);
+
+ QStringList names;
+ names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma";
+
+ QStringList addresses;
+ addresses << "<qt>123 Main Street<br/>Market Town</qt>"
+ << "<qt>PO Box 32<br/>Mail Handling Service"
+ "<br/>Service City</qt>"
+ << "<qt>The Lighthouse<br/>Remote Island</qt>"
+ << "<qt>47338 Park Avenue<br/>Big City</qt>"
+ << "<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>";
+
+ QStringList ages;
+ ages << "20" << "31" << "32" << "19" << "26";
+
+ 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(ages[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]