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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
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treea17e1a767a89542ab59907462206d7dcf2e504b2 /examples/sql/relationaltablemodel
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Long live Qt for S60!
Diffstat (limited to 'examples/sql/relationaltablemodel')
-rw-r--r--examples/sql/relationaltablemodel/relationaltablemodel.cpp115
-rw-r--r--examples/sql/relationaltablemodel/relationaltablemodel.pro11
2 files changed, 126 insertions, 0 deletions
diff --git a/examples/sql/relationaltablemodel/relationaltablemodel.cpp b/examples/sql/relationaltablemodel/relationaltablemodel.cpp
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--- /dev/null
+++ b/examples/sql/relationaltablemodel/relationaltablemodel.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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();
+}
diff --git a/examples/sql/relationaltablemodel/relationaltablemodel.pro b/examples/sql/relationaltablemodel/relationaltablemodel.pro
new file mode 100644
index 0000000..e57729e
--- /dev/null
+++ b/examples/sql/relationaltablemodel/relationaltablemodel.pro
@@ -0,0 +1,11 @@
+HEADERS = ../connection.h
+SOURCES = relationaltablemodel.cpp
+QT += sql
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/sql/relationaltablemodel
+sources.files = $$SOURCES *.h $$RESOURCES $$FORMS relationaltablemodel.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/sql/relationaltablemodel
+INSTALLS += target sources
+
+include($$QT_SOURCE_TREE/examples/examplebase.pri)