/****************************************************************************+
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**+
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** Copyright (C) 2010 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 "informationwindow.h"+
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+
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//! [0]+
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InformationWindow::InformationWindow(int id, QSqlRelationalTableModel *offices,+
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                                     QWidget *parent)+
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    : QDialog(parent)+
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{+
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//! [0] //! [1]+
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    QLabel *locationLabel = new QLabel(tr("Location: "));+
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    QLabel *countryLabel = new QLabel(tr("Country: "));+
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    QLabel *descriptionLabel = new QLabel(tr("Description: "));+
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    QLabel *imageFileLabel = new QLabel(tr("Image file: "));+
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+
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    createButtons();+
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+
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    locationText = new QLabel;+
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    countryText = new QLabel;+
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    descriptionEditor = new QTextEdit;+
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//! [1]+
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+
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//! [2]+
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    imageFileEditor = new QComboBox;+
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    imageFileEditor->setModel(offices->relationModel(1));+
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    imageFileEditor->setModelColumn(offices->relationModel(1)->fieldIndex("file"));+
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//! [2]+
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+
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//! [3]+
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    mapper = new QDataWidgetMapper(this);+
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    mapper->setModel(offices);+
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    mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit);+
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    mapper->setItemDelegate(new QSqlRelationalDelegate(mapper));+
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    mapper->addMapping(imageFileEditor, 1);+
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    mapper->addMapping(locationText, 2, "text");+
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    mapper->addMapping(countryText, 3, "text");+
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    mapper->addMapping(descriptionEditor, 4);+
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    mapper->setCurrentIndex(id);+
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//! [3]+
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+
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//! [4]+
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    connect(descriptionEditor, SIGNAL(textChanged()),+
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            this, SLOT(enableButtons()));+
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    connect(imageFileEditor, SIGNAL(currentIndexChanged(int)),+
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            this, SLOT(enableButtons()));+
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+
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    QFormLayout *formLayout = new QFormLayout;+
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    formLayout->addRow(locationLabel, locationText);+
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    formLayout->addRow(countryLabel, countryText);+
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    formLayout->addRow(imageFileLabel, imageFileEditor);+
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    formLayout->addRow(descriptionLabel, descriptionEditor);+
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+
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    QVBoxLayout *layout = new QVBoxLayout;+
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    layout->addLayout(formLayout);+
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    layout->addWidget(buttonBox);+
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    setLayout(layout);+
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+
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    locationId = id;+
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    displayedImage = imageFileEditor->currentText();+
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+
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    setWindowFlags(Qt::Window);+
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    enableButtons(false);+
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    setWindowTitle(tr("Office: %1").arg(locationText->text()));+
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}+
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//! [4]+
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+
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//! [5]+
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int InformationWindow::id()+
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{+
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    return locationId;+
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}+
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//! [5]+
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+
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//! [6]+
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void InformationWindow::revert()+
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{+
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    mapper->revert();+
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    enableButtons(false);+
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}+
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//! [6]+
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+
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//! [7]+
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void InformationWindow::submit()+
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{+
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    QString newImage(imageFileEditor->currentText());+
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+
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    if (displayedImage != newImage) {+
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        displayedImage = newImage;+
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        emit imageChanged(locationId, newImage);+
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    }+
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+
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    mapper->submit();+
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    mapper->setCurrentIndex(locationId);+
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+
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    enableButtons(false);+
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}+
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//! [7]+
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+
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//! [8]+
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void InformationWindow::createButtons()+
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{+
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    closeButton = new QPushButton(tr("&Close"));+
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    revertButton = new QPushButton(tr("&Revert"));+
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    submitButton = new QPushButton(tr("&Submit"));+
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+
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    closeButton->setDefault(true);+
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+
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    connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));+
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    connect(revertButton, SIGNAL(clicked()), this, SLOT(revert()));+
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    connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));+
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//! [8]+
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+
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//! [9]+
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    buttonBox = new QDialogButtonBox(this);+
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    buttonBox->addButton(submitButton, QDialogButtonBox::AcceptRole);+
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    buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole);+
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    buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole);+
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}+
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//! [9]+
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+
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//! [10]+
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void InformationWindow::enableButtons(bool enable)+
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{+
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    revertButton->setEnabled(enable);+
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    submitButton->setEnabled(enable);+
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}+
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//! [10]+
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+
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+
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