1 files changed, 121 insertions, 0 deletions
diff --git a/examples/sql/books/bookwindow.cpp b/examples/sql/books/bookwindow.cpp
new file mode 100644
index 0000000000..40d23d1761
--- /dev/null
+++ b/examples/sql/books/bookwindow.cpp
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** 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 demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "bookwindow.h"
+#include "bookdelegate.h"
+#include "initdb.h"
+
+#include <QtSql>
+
+BookWindow::BookWindow()
+{
+    ui.setupUi(this);
+
+    if (!QSqlDatabase::drivers().contains("QSQLITE"))
+        QMessageBox::critical(this, "Unable to load database", "This demo needs the SQLITE driver");
+
+    // initialize the database
+    QSqlError err = initDb();
+    if (err.type() != QSqlError::NoError) {
+        showError(err);
+        return;
+    }
+
+    // Create the data model
+    model = new QSqlRelationalTableModel(ui.bookTable);
+    model->setEditStrategy(QSqlTableModel::OnManualSubmit);
+    model->setTable("books");
+
+    // Remember the indexes of the columns
+    authorIdx = model->fieldIndex("author");
+    genreIdx = model->fieldIndex("genre");
+
+    // Set the relations to the other database tables
+    model->setRelation(authorIdx, QSqlRelation("authors", "id", "name"));
+    model->setRelation(genreIdx, QSqlRelation("genres", "id", "name"));
+
+    // Set the localized header captions
+    model->setHeaderData(authorIdx, Qt::Horizontal, tr("Author Name"));
+    model->setHeaderData(genreIdx, Qt::Horizontal, tr("Genre"));
+    model->setHeaderData(model->fieldIndex("title"), Qt::Horizontal, tr("Title"));
+    model->setHeaderData(model->fieldIndex("year"), Qt::Horizontal, tr("Year"));
+    model->setHeaderData(model->fieldIndex("rating"), Qt::Horizontal, tr("Rating"));
+
+    // Populate the model
+    if (!model->select()) {
+        showError(model->lastError());
+        return;
+    }
+
+    // Set the model and hide the ID column
+    ui.bookTable->setModel(model);
+    ui.bookTable->setItemDelegate(new BookDelegate(ui.bookTable));
+    ui.bookTable->setColumnHidden(model->fieldIndex("id"), true);
+    ui.bookTable->setSelectionMode(QAbstractItemView::SingleSelection);
+
+    // Initialize the Author combo box
+    ui.authorEdit->setModel(model->relationModel(authorIdx));
+    ui.authorEdit->setModelColumn(model->relationModel(authorIdx)->fieldIndex("name"));
+
+    ui.genreEdit->setModel(model->relationModel(genreIdx));
+    ui.genreEdit->setModelColumn(model->relationModel(genreIdx)->fieldIndex("name"));
+
+    QDataWidgetMapper *mapper = new QDataWidgetMapper(this);
+    mapper->setModel(model);
+    mapper->setItemDelegate(new BookDelegate(this));
+    mapper->addMapping(ui.titleEdit, model->fieldIndex("title"));
+    mapper->addMapping(ui.yearEdit, model->fieldIndex("year"));
+    mapper->addMapping(ui.authorEdit, authorIdx);
+    mapper->addMapping(ui.genreEdit, genreIdx);
+    mapper->addMapping(ui.ratingEdit, model->fieldIndex("rating"));
+
+    connect(ui.bookTable->selectionModel(), SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
+            mapper, SLOT(setCurrentModelIndex(QModelIndex)));
+
+    ui.bookTable->setCurrentIndex(model->index(0, 0));
+}
+
+void BookWindow::showError(const QSqlError &err)
+{
+    QMessageBox::critical(this, "Unable to initialize Database",
+                "Error initializing database: " + err.text());
+}
+