/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <QtGui>+
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#include "window.h"+
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+
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//! [Set up widgets]+
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Window::Window(QWidget *parent)+
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    : QWidget(parent)+
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{+
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    setupModel();+
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+
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    nameLabel = new QLabel(tr("Na&me:"));+
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    nameEdit = new QLineEdit();+
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    addressLabel = new QLabel(tr("&Address:"));+
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    addressEdit = new QTextEdit();+
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    typeLabel = new QLabel(tr("&Type:"));+
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    typeComboBox = new QComboBox();+
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    nextButton = new QPushButton(tr("&Next"));+
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    previousButton = new QPushButton(tr("&Previous"));+
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+
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    nameLabel->setBuddy(nameEdit);+
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    addressLabel->setBuddy(addressEdit);+
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    typeLabel->setBuddy(typeComboBox);+
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+
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    typeComboBox->setModel(typeModel);+
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//! [Set up widgets]+
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+
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//! [Set up the mapper]+
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    mapper = new QDataWidgetMapper(this);+
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    mapper->setModel(model);+
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    mapper->addMapping(nameEdit, 0);+
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    mapper->addMapping(addressEdit, 1);+
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    mapper->addMapping(typeComboBox, 2, "currentIndex");+
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//! [Set up the mapper]+
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+
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//! [Set up connections and layouts]+
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    connect(previousButton, SIGNAL(clicked()),+
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            mapper, SLOT(toPrevious()));+
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    connect(nextButton, SIGNAL(clicked()),+
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            mapper, SLOT(toNext()));+
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    connect(mapper, SIGNAL(currentIndexChanged(int)),+
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            this, SLOT(updateButtons(int)));+
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+
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    QGridLayout *layout = new QGridLayout();+
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    layout->addWidget(nameLabel, 0, 0, 1, 1);+
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    layout->addWidget(nameEdit, 0, 1, 1, 1);+
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    layout->addWidget(previousButton, 0, 2, 1, 1);+
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    layout->addWidget(addressLabel, 1, 0, 1, 1);+
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    layout->addWidget(addressEdit, 1, 1, 2, 1);+
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    layout->addWidget(nextButton, 1, 2, 1, 1);+
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    layout->addWidget(typeLabel, 3, 0, 1, 1);+
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    layout->addWidget(typeComboBox, 3, 1, 1, 1);+
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    setLayout(layout);+
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+
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    setWindowTitle(tr("Delegate Widget Mapper"));+
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    mapper->toFirst();+
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}+
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//! [Set up connections and layouts]+
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+
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//! [Set up the model]+
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void Window::setupModel()+
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{+
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    QStringList items;+
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    items << tr("Home") << tr("Work") << tr("Other");+
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    typeModel = new QStringListModel(items, this);+
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    +
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    model = new QStandardItemModel(5, 3, this);+
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    QStringList names;+
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    names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma";+
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    QStringList addresses;+
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    addresses << "<qt>123 Main Street<br/>Market Town</qt>"+
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              << "<qt>PO Box 32<br/>Mail Handling Service"+
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                 "<br/>Service City</qt>"+
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              << "<qt>The Lighthouse<br/>Remote Island</qt>"+
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              << "<qt>47338 Park Avenue<br/>Big City</qt>"+
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              << "<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>";+
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+
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    QStringList types;+
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    types << "0" << "1" << "2" << "0" << "2";+
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    +
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    for (int row = 0; row < 5; ++row) {+
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      QStandardItem *item = new QStandardItem(names[row]);+
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      model->setItem(row, 0, item);+
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      item = new QStandardItem(addresses[row]);+
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      model->setItem(row, 1, item);+
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      item = new QStandardItem(types[row]);+
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      model->setItem(row, 2, item);+
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    }+
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}+
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//! [Set up the model]+
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+
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//! [Slot for updating the buttons]+
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void Window::updateButtons(int row)+
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{+
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    previousButton->setEnabled(row > 0);+
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    nextButton->setEnabled(row < model->rowCount() - 1);+
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}+
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//! [Slot for updating the buttons]+
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