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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 <QtGui>
+#include <QtSql>
+
+#include "../connection.h"
+
+void initializeModel(QSqlRelationalTableModel *model)
+{
+//! [0]
+ model->setTable("employee");
+//! [0]
+
+ model->setEditStrategy(QSqlTableModel::OnManualSubmit);
+//! [1]
+ model->setRelation(2, QSqlRelation("city", "id", "name"));
+//! [1] //! [2]
+ model->setRelation(3, QSqlRelation("country", "id", "name"));
+//! [2]
+
+//! [3]
+ model->setHeaderData(0, Qt::Horizontal, QObject::tr("ID"));
+ model->setHeaderData(1, Qt::Horizontal, QObject::tr("Name"));
+ model->setHeaderData(2, Qt::Horizontal, QObject::tr("City"));
+ model->setHeaderData(3, Qt::Horizontal, QObject::tr("Country"));
+//! [3]
+
+ model->select();
+}
+
+QTableView *createView(const QString &title, QSqlTableModel *model)
+{
+//! [4]
+ QTableView *view = new QTableView;
+ view->setModel(model);
+ view->setItemDelegate(new QSqlRelationalDelegate(view));
+//! [4]
+ view->setWindowTitle(title);
+ return view;
+}
+
+void createRelationalTables()
+{
+ QSqlQuery query;
+ query.exec("create table employee(id int primary key, name varchar(20), city int, country int)");
+ query.exec("insert into employee values(1, 'Espen', 5000, 47)");
+ query.exec("insert into employee values(2, 'Harald', 80000, 49)");
+ query.exec("insert into employee values(3, 'Sam', 100, 1)");
+
+ query.exec("create table city(id int, name varchar(20))");
+ query.exec("insert into city values(100, 'San Jose')");
+ query.exec("insert into city values(5000, 'Oslo')");
+ query.exec("insert into city values(80000, 'Munich')");
+
+ query.exec("create table country(id int, name varchar(20))");
+ query.exec("insert into country values(1, 'USA')");
+ query.exec("insert into country values(47, 'Norway')");
+ query.exec("insert into country values(49, 'Germany')");
+}
+
+int main(int argc, char *argv[])
+{
+ QApplication app(argc, argv);
+ if (!createConnection())
+ return 1;
+ createRelationalTables();
+
+ QSqlRelationalTableModel model;
+
+ initializeModel(&model);
+
+ QTableView *view = createView(QObject::tr("Relational Table Model"), &model);
+ view->show();
+
+ return app.exec();
+}