tableeditor.cpp Example File
sql/cachedtable/tableeditor.cpp

 /****************************************************************************
 **
 ** 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 <QtGui>
 #include <QtSql>

 #include "tableeditor.h"

 TableEditor::TableEditor(const QString &tableName, QWidget *parent)
     : QDialog(parent)
 {
     model = new QSqlTableModel(this);
     model->setTable(tableName);
     model->setEditStrategy(QSqlTableModel::OnManualSubmit);
     model->select();

     model->setHeaderData(0, Qt::Horizontal, tr("ID"));
     model->setHeaderData(1, Qt::Horizontal, tr("First name"));
     model->setHeaderData(2, Qt::Horizontal, tr("Last name"));

     QTableView *view = new QTableView;
     view->setModel(model);

     submitButton = new QPushButton(tr("Submit"));
     submitButton->setDefault(true);
     revertButton = new QPushButton(tr("&Revert"));
     quitButton = new QPushButton(tr("Quit"));

     buttonBox = new QDialogButtonBox(Qt::Vertical);
     buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole);
     buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole);
     buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);

     connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));
     connect(revertButton, SIGNAL(clicked()), model, SLOT(revertAll()));
     connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));

     QHBoxLayout *mainLayout = new QHBoxLayout;
     mainLayout->addWidget(view);
     mainLayout->addWidget(buttonBox);
     setLayout(mainLayout);

     setWindowTitle(tr("Cached Table"));
 }

 void TableEditor::submit()
 {
     model->database().transaction();
     if (model->submitAll()) {
         model->database().commit();
     } else {
         model->database().rollback();
         QMessageBox::warning(this, tr("Cached Table"),
                              tr("The database reported an error: %1")
                              .arg(model->lastError().text()));
     }
 }