Initial import from the monolithic Qt.

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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

11 files changed, 1176 insertions, 0 deletions

diff --git a/examples/sql/masterdetail/albumdetails.xml b/examples/sql/masterdetail/albumdetails.xml
new file mode 100644
index 0000000000..aacbdac81d
--- /dev/null
+++ b/examples/sql/masterdetail/albumdetails.xml
@@ -0,0 +1,98 @@
+    <archive>
+        <album id="1" >
+            <track number="01" >Humming one of your songs</track>
+            <track number="02" >Are they saying goodbye</track>
+            <track number="03" >On off</track>
+            <track number="04" >I shot my heart</track>
+            <track number="05" >Drowning in Those Eyes</track>
+            <track number="06" >So you did it again</track>
+            <track number="07" >One more time</track>
+            <track number="08" >Headphone silence</track>
+            <track number="09" >What I want</track>
+            <track number="10" >Sleeping by the Fyris River</track>
+            <track number="11" >Wooden Body</track>
+            <track number="12" >Humming one of your songs (encore)</track>
+        </album>
+        <album id="2" >
+            <track number="01" >To let myself go</track>
+            <track number="02" >Rubber and Soul</track>
+            <track number="03" >Balloon ranger</track>
+            <track number="04" >My lover will go</track>
+            <track number="05" >Temporary dive</track>
+            <track number="06" >Laid in earth</track>
+            <track number="07" >This voice</track>
+            <track number="08" >Where friend rhymes with end</track>
+            <track number="09" >Song No.6 feat Ron Sexsmith</track>
+            <track number="10" >The Fight Song</track>
+        </album>
+        <album id="3" >
+            <track number="01" >From Grace</track>
+            <track number="02" >All's not last</track>
+            <track number="03" >That Great October Sound</track>
+            <track number="04" >Life Here Is Gold</track>
+            <track number="05" >Tomorrow Stays The Same</track>
+            <track number="06" >Postulate</track>
+            <track number="07" >Adelaide</track>
+            <track number="08" >John Wayne</track>
+            <track number="09" >Love's Lost</track>
+            <track number="10" >Dreamweaver</track>
+            <track number="11" >Outro</track>
+        </album>
+        <album id="4" >
+            <track number="01" >Rain down on me</track>
+            <track number="02" >Cecilia</track>
+            <track number="03" >Make a mess of yourself</track>
+            <track number="04" >Pale green eyes</track>
+            <track number="05" >Either way I'm gone</track>
+            <track number="06" >Honey</track>
+            <track number="07" >Rise in shame</track>
+            <track number="08" >Stray dogs</track>
+            <track number="09" >The willow</track>
+            <track number="10" >Stay home</track>
+            <track number="11" >Outro</track>
+        </album>
+        <album id="5" >
+        </album>
+        <album id="6" >
+            <track number="01" >Kontroll på kontinentet</track>
+            <track number="02" >Ompa til du dør</track>
+            <track number="03" >Bøn fra helvete</track>
+            <track number="04" >170</track>
+            <track number="05" >Rullett</track>
+            <track number="06" >Dr. Mowinckel</track>
+            <track number="07" >Fra sjåfør til passasjer</track>
+            <track number="08" >Resistansen</track>
+            <track number="09" >Dekk bord</track>
+            <track number="10" >Bak et halleluja</track>
+            <track number="11" >Bris</track>
+            <track number="12" >Mr. Kaizer, hans Constanze og meg</track>
+        </album>
+        <album id="7" >
+            <track number="01" >Di grind</track>
+            <track number="02" >Hevnervals</track>
+            <track number="03" >Evig pint</track>
+            <track number="04" >De involverte</track>
+            <track number="05" >Djevelens orkester</track>
+            <track number="06" >Container</track>
+            <track number="07" >Naade</track>
+            <track number="08" >Min kvite russer</track>
+            <track number="09" >Veterans klage</track>
+            <track number="10" >Til depotet</track>
+            <track number="11" >Salt og pepper</track>
+            <track number="12" >Drøm Hardt (Requiem Part I)</track>
+        </album>
+        <album id="8" >
+            <track number="01" >KGB</track>
+            <track number="02" >Maestro</track>
+            <track number="03" >Knekker deg til sist</track>
+            <track number="04" >Senor Flamingos Adieu</track>
+            <track number="05" >Blitzregn baby</track>
+            <track number="06" >Dieter Meyers Inst.</track>
+            <track number="07" >Christiania</track>
+            <track number="08" >Delikatessen</track>
+            <track number="09" >Jævel av en tango</track>
+            <track number="10" >Papa har lov</track>
+            <track number="11" >Auksjon (i Dieter Meyers hall)</track>
+            <track number="12" >På ditt skift</track>
+        </album>
+    </archive>
diff --git a/examples/sql/masterdetail/database.h b/examples/sql/masterdetail/database.h
new file mode 100644
index 0000000000..ab9a8ff2d6
--- /dev/null
+++ b/examples/sql/masterdetail/database.h
@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DATABASE_H
+#define DATABASE_H
+
+#include <QMessageBox>
+#include <QSqlDatabase>
+#include <QSqlError>
+#include <QSqlQuery>
+
+static bool createConnection()
+{
+    QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
+    db.setDatabaseName(":memory:");
+    if (!db.open()) {
+        QMessageBox::critical(0, qApp->tr("Cannot open database"),
+            qApp->tr("Unable to establish a database connection.\n"
+                     "This example needs SQLite support. Please read "
+                     "the Qt SQL driver documentation for information how "
+                     "to build it.\n\n"
+                     "Click Cancel to exit."), QMessageBox::Cancel);
+        return false;
+    }
+
+    QSqlQuery query;
+
+    query.exec("create table artists (id int primary key, "
+                                     "artist varchar(40), "
+                                     "albumcount int)");
+
+    query.exec("insert into artists values(0, '<all>', 0)");
+    query.exec("insert into artists values(1, 'Ane Brun', 2)");
+    query.exec("insert into artists values(2, 'Thomas Dybdahl', 3)");
+    query.exec("insert into artists values(3, 'Kaizers Orchestra', 3)");
+
+    query.exec("create table albums (albumid int primary key, "
+                                     "title varchar(50), "
+                                     "artistid int, "
+                                     "year int)");
+
+    query.exec("insert into albums values(1, 'Spending Time With Morgan', 1, "
+                       "2003)");
+    query.exec("insert into albums values(2, 'A Temporary Dive', 1, 2005)");
+    query.exec("insert into albums values(3, '...The Great October Sound', 2, "
+                       "2002)");
+    query.exec("insert into albums values(4, 'Stray Dogs', 2, 2003)");
+    query.exec("insert into albums values(5, "
+        "'One day you`ll dance for me, New York City', 2, 2004)");
+    query.exec("insert into albums values(6, 'Ompa Til Du D\xf8r', 3, 2001)");
+    query.exec("insert into albums values(7, 'Evig Pint', 3, 2002)");
+    query.exec("insert into albums values(8, 'Maestro', 3, 2005)");
+
+    return true;
+}
+
+#endif
+
+
diff --git a/examples/sql/masterdetail/dialog.cpp b/examples/sql/masterdetail/dialog.cpp
new file mode 100644
index 0000000000..9dc0fe14e3
--- /dev/null
+++ b/examples/sql/masterdetail/dialog.cpp
@@ -0,0 +1,282 @@
+/****************************************************************************
+**
+** 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 "dialog.h"
+
+int uniqueAlbumId;
+int uniqueArtistId;
+
+Dialog::Dialog(QSqlRelationalTableModel *albums, QDomDocument details,
+               QFile *output, QWidget *parent)
+     : QDialog(parent)
+{
+    model = albums;
+    albumDetails = details;
+    outputFile = output;
+
+    QGroupBox *inputWidgetBox = createInputWidgets();
+    QDialogButtonBox *buttonBox = createButtons();
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(inputWidgetBox);
+    layout->addWidget(buttonBox);
+    setLayout(layout);
+
+    setWindowTitle(tr("Add Album"));
+}
+
+void Dialog::submit()
+{
+    QString artist = artistEditor->text();
+    QString title = titleEditor->text();
+
+    if (artist.isEmpty() || title.isEmpty()) {
+        QString message(tr("Please provide both the name of the artist "
+                           "and the title of the album."));
+        QMessageBox::information(this, tr("Add Album"), message);
+    } else {
+        int artistId = findArtistId(artist);
+        int albumId = addNewAlbum(title, artistId);
+
+        QStringList tracks;
+        tracks = tracksEditor->text().split(',', QString::SkipEmptyParts);
+        addTracks(albumId, tracks);
+
+        increaseAlbumCount(indexOfArtist(artist));
+        accept();
+    }
+}
+
+int Dialog::findArtistId(const QString &artist)
+{
+    QSqlTableModel *artistModel = model->relationModel(2);
+    int row = 0;
+
+    while (row < artistModel->rowCount()) {
+        QSqlRecord record = artistModel->record(row);
+        if (record.value("artist") == artist)
+            return record.value("id").toInt();
+        else
+            row++;
+    }
+    return addNewArtist(artist);
+}
+
+
+int Dialog::addNewArtist(const QString &name)
+{
+    QSqlTableModel *artistModel = model->relationModel(2);
+    QSqlRecord record;
+
+    int id = generateArtistId();
+
+    QSqlField f1("id", QVariant::Int);
+    QSqlField f2("artist", QVariant::String);
+    QSqlField f3("albumcount", QVariant::Int);
+
+    f1.setValue(QVariant(id));
+    f2.setValue(QVariant(name));
+    f3.setValue(QVariant(0));
+    record.append(f1);
+    record.append(f2);
+    record.append(f3);
+
+    artistModel->insertRecord(-1, record);
+    return id;
+}
+
+int Dialog::addNewAlbum(const QString &title, int artistId)
+{
+    int id = generateAlbumId();
+    QSqlRecord record;
+
+    QSqlField f1("albumid", QVariant::Int);
+    QSqlField f2("title", QVariant::String);
+    QSqlField f3("artistid", QVariant::Int);
+    QSqlField f4("year", QVariant::Int);
+
+    f1.setValue(QVariant(id));
+    f2.setValue(QVariant(title));
+    f3.setValue(QVariant(artistId));
+    f4.setValue(QVariant(yearEditor->value()));
+    record.append(f1);
+    record.append(f2);
+    record.append(f3);
+    record.append(f4);
+
+    model->insertRecord(-1, record);
+    return id;
+}
+
+void Dialog::addTracks(int albumId, QStringList tracks)
+{
+    QDomElement albumNode = albumDetails.createElement("album");
+    albumNode.setAttribute("id", albumId);
+
+    for (int i = 0; i < tracks.count(); i++) {
+        QString trackNumber = QString::number(i);
+        if (i < 10)
+            trackNumber.prepend("0");
+
+        QDomText textNode = albumDetails.createTextNode(tracks.at(i));
+
+        QDomElement trackNode = albumDetails.createElement("track");
+        trackNode.setAttribute("number", trackNumber);
+        trackNode.appendChild(textNode);
+
+        albumNode.appendChild(trackNode);
+    }
+
+    QDomNodeList archive = albumDetails.elementsByTagName("archive");
+    archive.item(0).appendChild(albumNode);
+
+/*
+    The following code is commented out since the example uses an in
+    memory database, i.e., altering the XML file will bring the data
+    out of sync.
+
+    if (!outputFile->open(QIODevice::WriteOnly)) {
+        return;
+    } else {
+        QTextStream stream(outputFile);
+        archive.item(0).save(stream, 4);
+        outputFile->close();
+    }
+*/
+}
+
+void Dialog::increaseAlbumCount(QModelIndex artistIndex)
+{
+    QSqlTableModel *artistModel = model->relationModel(2);
+
+    QModelIndex albumCountIndex;
+    albumCountIndex = artistIndex.sibling(artistIndex.row(), 2);
+
+    int albumCount = albumCountIndex.data().toInt();
+    artistModel->setData(albumCountIndex, QVariant(albumCount + 1));
+}
+
+
+void Dialog::revert()
+{
+    artistEditor->clear();
+    titleEditor->clear();
+    yearEditor->setValue(QDate::currentDate().year());
+    tracksEditor->clear();
+}
+
+QGroupBox *Dialog::createInputWidgets()
+{
+    QGroupBox *box = new QGroupBox(tr("Add Album"));
+
+    QLabel *artistLabel = new QLabel(tr("Artist:"));
+    QLabel *titleLabel = new QLabel(tr("Title:"));
+    QLabel *yearLabel = new QLabel(tr("Year:"));
+    QLabel *tracksLabel = new QLabel(tr("Tracks (separated by comma):"));
+
+    artistEditor = new QLineEdit;
+    titleEditor = new QLineEdit;
+
+    yearEditor = new QSpinBox;
+    yearEditor->setMinimum(1900);
+    yearEditor->setMaximum(QDate::currentDate().year());
+    yearEditor->setValue(yearEditor->maximum());
+    yearEditor->setReadOnly(false);
+
+    tracksEditor = new QLineEdit;
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(artistLabel, 0, 0);
+    layout->addWidget(artistEditor, 0, 1);
+    layout->addWidget(titleLabel, 1, 0);
+    layout->addWidget(titleEditor, 1, 1);
+    layout->addWidget(yearLabel, 2, 0);
+    layout->addWidget(yearEditor, 2, 1);
+    layout->addWidget(tracksLabel, 3, 0, 1, 2);
+    layout->addWidget(tracksEditor, 4, 0, 1, 2);
+    box->setLayout(layout);
+
+    return box;
+}
+
+QDialogButtonBox *Dialog::createButtons()
+{
+    QPushButton *closeButton = new QPushButton(tr("&Close"));
+    QPushButton *revertButton = new QPushButton(tr("&Revert"));
+    QPushButton *submitButton = new QPushButton(tr("&Submit"));
+
+    closeButton->setDefault(true);
+
+    connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
+    connect(revertButton, SIGNAL(clicked()), this, SLOT(revert()));
+    connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));
+
+    QDialogButtonBox *buttonBox = new QDialogButtonBox;
+    buttonBox->addButton(submitButton, QDialogButtonBox::ResetRole);
+    buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole);
+    buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole);
+
+    return buttonBox;
+}
+
+QModelIndex Dialog::indexOfArtist(const QString &artist)
+{
+    QSqlTableModel *artistModel = model->relationModel(2);
+
+    for (int i = 0; i < artistModel->rowCount(); i++) {
+        QSqlRecord record =  artistModel->record(i);
+        if (record.value("artist") == artist)
+            return artistModel->index(i, 1);
+    }
+
+    return QModelIndex();
+}
+
+int Dialog::generateArtistId()
+{
+    uniqueArtistId += 1;
+    return uniqueArtistId;
+}
+
+int Dialog::generateAlbumId()
+{
+    uniqueAlbumId += 1;
+    return uniqueAlbumId;
+}
diff --git a/examples/sql/masterdetail/dialog.h b/examples/sql/masterdetail/dialog.h
new file mode 100644
index 0000000000..5495a115b3
--- /dev/null
+++ b/examples/sql/masterdetail/dialog.h
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DIALOG_H
+#define DIALOG_H
+
+#include <QtGui>
+#include <QtSql>
+#include <QtXml>
+
+class Dialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    Dialog(QSqlRelationalTableModel *albums, QDomDocument details,
+           QFile *output, QWidget *parent = 0);
+
+private slots:
+    void revert();
+    void submit();
+
+private:
+    int addNewAlbum(const QString &title, int artistId);
+    int addNewArtist(const QString &name);
+    void addTracks(int albumId, QStringList tracks);
+    QDialogButtonBox *createButtons();
+    QGroupBox *createInputWidgets();
+    int findArtistId(const QString &artist);
+    int generateAlbumId();
+    int generateArtistId();
+    void increaseAlbumCount(QModelIndex artistIndex);
+    QModelIndex indexOfArtist(const QString &artist);
+
+    QSqlRelationalTableModel *model;
+    QDomDocument albumDetails;
+    QFile *outputFile;
+
+    QLineEdit *artistEditor;
+    QLineEdit *titleEditor;
+    QSpinBox *yearEditor;
+    QLineEdit *tracksEditor;
+};
+
+#endif
diff --git a/examples/sql/masterdetail/images/icon.png b/examples/sql/masterdetail/images/icon.png
new file mode 100644
index 0000000000..31f68b8eb5
--- /dev/null
+++ b/examples/sql/masterdetail/images/icon.png
diff --git a/examples/sql/masterdetail/images/image.png b/examples/sql/masterdetail/images/image.png
new file mode 100644
index 0000000000..1d7803746b
--- /dev/null
+++ b/examples/sql/masterdetail/images/image.png
diff --git a/examples/sql/masterdetail/main.cpp b/examples/sql/masterdetail/main.cpp
new file mode 100644
index 0000000000..fe3dd9db50
--- /dev/null
+++ b/examples/sql/masterdetail/main.cpp
@@ -0,0 +1,59 @@
+/****************************************************************************
+**
+** 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 "database.h"
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+    Q_INIT_RESOURCE(masterdetail);
+
+    QApplication app(argc, argv);
+
+    if (!createConnection())
+        return 1;
+
+    QFile *albumDetails = new QFile("albumdetails.xml");
+    MainWindow window("artists", "albums", albumDetails);
+    window.show();
+    return app.exec();
+}
diff --git a/examples/sql/masterdetail/mainwindow.cpp b/examples/sql/masterdetail/mainwindow.cpp
new file mode 100644
index 0000000000..24771bad09
--- /dev/null
+++ b/examples/sql/masterdetail/mainwindow.cpp
@@ -0,0 +1,429 @@
+/****************************************************************************
+**
+** 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 "mainwindow.h"
+#include "dialog.h"
+
+#include <QtGui>
+#include <QtSql>
+#include <QtXml>
+
+extern int uniqueAlbumId;
+extern int uniqueArtistId;
+
+MainWindow::MainWindow(const QString &artistTable, const QString &albumTable,
+                       QFile *albumDetails, QWidget *parent)
+     : QMainWindow(parent)
+{
+    file = albumDetails;
+    readAlbumData();
+
+    model = new QSqlRelationalTableModel(this);
+    model->setTable(albumTable);
+    model->setRelation(2, QSqlRelation(artistTable, "id", "artist"));
+    model->select();
+
+    QGroupBox *artists = createArtistGroupBox();
+    QGroupBox *albums = createAlbumGroupBox();
+    QGroupBox *details = createDetailsGroupBox();
+
+    artistView->setCurrentIndex(0);
+    uniqueAlbumId = model->rowCount();
+    uniqueArtistId = artistView->count();
+
+    connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)),
+            this, SLOT(updateHeader(QModelIndex,int,int)));
+    connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)),
+            this, SLOT(updateHeader(QModelIndex,int,int)));
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(artists, 0, 0);
+    layout->addWidget(albums, 1, 0);
+    layout->addWidget(details, 0, 1, 2, 1);
+    layout->setColumnStretch(1, 1);
+    layout->setColumnMinimumWidth(0, 500);
+
+    QWidget *widget = new QWidget;
+    widget->setLayout(layout);
+    setCentralWidget(widget);
+    createMenuBar();
+
+    showImageLabel();
+    resize(850, 400);
+    setWindowTitle(tr("Music Archive"));
+}
+
+void MainWindow::changeArtist(int row)
+{
+    if (row > 0) {
+        QModelIndex index = model->relationModel(2)->index(row, 1);
+        model->setFilter("artist = '" + index.data().toString() + '\'') ;
+        showArtistProfile(index);
+    } else if (row == 0) {
+        model->setFilter(QString());
+        showImageLabel();
+    } else {
+        return;
+    }
+}
+
+void MainWindow::showArtistProfile(QModelIndex index)
+{
+    QSqlRecord record = model->relationModel(2)->record(index.row());
+
+    QString name = record.value("artist").toString();
+    QString count = record.value("albumcount").toString();
+    profileLabel->setText(tr("Artist : %1 \n" \
+                             "Number of Albums: %2").arg(name).arg(count));
+
+    profileLabel->show();
+    iconLabel->show();
+
+    titleLabel->hide();
+    trackList->hide();
+    imageLabel->hide();
+}
+
+void MainWindow::showAlbumDetails(QModelIndex index)
+{
+    QSqlRecord record = model->record(index.row());
+
+    QString artist = record.value("artist").toString();
+    QString title = record.value("title").toString();
+    QString year = record.value("year").toString();
+    QString albumId = record.value("albumid").toString();
+
+    showArtistProfile(indexOfArtist(artist));
+    titleLabel->setText(tr("Title: %1 (%2)").arg(title).arg(year));
+    titleLabel->show();
+
+    QDomNodeList albums = albumData.elementsByTagName("album");
+    for (int i = 0; i < albums.count(); i++) {
+        QDomNode album = albums.item(i);
+        if (album.toElement().attribute("id") == albumId) {
+            getTrackList(album.toElement());
+            break;
+        }
+    }
+    if (!trackList->count() == 0)
+        trackList->show();
+}
+
+void MainWindow::getTrackList(QDomNode album)
+{
+    trackList->clear();
+
+    QDomNodeList tracks = album.childNodes();
+    QDomNode track;
+    QString trackNumber;
+
+    for (int j = 0; j < tracks.count(); j++) {
+
+        track = tracks.item(j);
+        trackNumber = track.toElement().attribute("number");
+
+        QListWidgetItem *item = new QListWidgetItem(trackList);
+        item->setText(trackNumber + ": " + track.toElement().text());
+    }
+}
+
+void MainWindow::addAlbum()
+{
+    Dialog *dialog = new Dialog(model, albumData, file, this);
+    int accepted = dialog->exec();
+
+    if (accepted == 1) {
+        int lastRow = model->rowCount() - 1;
+        albumView->selectRow(lastRow);
+        albumView->scrollToBottom();
+        showAlbumDetails(model->index(lastRow, 0));
+    }
+}
+
+void MainWindow::deleteAlbum()
+{
+    QModelIndexList selection = albumView->selectionModel()->selectedRows(0);
+
+    if (!selection.empty()) {
+        QModelIndex idIndex = selection.at(0);
+        int id = idIndex.data().toInt();
+        QString title = idIndex.sibling(idIndex.row(), 1).data().toString();
+        QString artist = idIndex.sibling(idIndex.row(), 2).data().toString();
+
+        QMessageBox::StandardButton button;
+        button = QMessageBox::question(this, tr("Delete Album"),
+                                       tr("Are you sure you want to "
+                                          "delete '%1' by '%2'?")
+                                       .arg(title, artist),
+                                       QMessageBox::Yes | QMessageBox::No);
+
+        if (button == QMessageBox::Yes) {
+            removeAlbumFromFile(id);
+            removeAlbumFromDatabase(idIndex);
+            decreaseAlbumCount(indexOfArtist(artist));
+
+            showImageLabel();
+        }
+    } else {
+        QMessageBox::information(this, tr("Delete Album"),
+                                 tr("Select the album you want to delete."));
+    }
+}
+
+void MainWindow::removeAlbumFromFile(int id)
+{
+
+    QDomNodeList albums = albumData.elementsByTagName("album");
+
+    for (int i = 0; i < albums.count(); i++) {
+        QDomNode node = albums.item(i);
+        if (node.toElement().attribute("id").toInt() == id) {
+            albumData.elementsByTagName("archive").item(0).removeChild(node);
+            break;
+        }
+    }
+/*
+    The following code is commented out since the example uses an in
+    memory database, i.e., altering the XML file will bring the data
+    out of sync.
+
+    if (!file->open(QIODevice::WriteOnly)) {
+        return;
+    } else {
+        QTextStream stream(file);
+        albumData.elementsByTagName("archive").item(0).save(stream, 4);
+        file->close();
+    }
+*/
+}
+
+void MainWindow::removeAlbumFromDatabase(QModelIndex index)
+{
+    model->removeRow(index.row());
+}
+
+void MainWindow::decreaseAlbumCount(QModelIndex artistIndex)
+{
+    int row = artistIndex.row();
+    QModelIndex albumCountIndex = artistIndex.sibling(row, 2);
+    int albumCount = albumCountIndex.data().toInt();
+
+    QSqlTableModel *artists = model->relationModel(2);
+
+    if (albumCount == 1) {
+        artists->removeRow(row);
+        showImageLabel();
+    } else {
+        artists->setData(albumCountIndex, QVariant(albumCount - 1));
+    }
+}
+
+void MainWindow::readAlbumData()
+{
+    if (!file->open(QIODevice::ReadOnly))
+        return;
+
+    if (!albumData.setContent(file)) {
+        file->close();
+        return;
+    }
+    file->close();
+}
+
+QGroupBox* MainWindow::createArtistGroupBox()
+{
+    artistView = new QComboBox;
+    artistView->setModel(model->relationModel(2));
+    artistView->setModelColumn(1);
+
+    connect(artistView, SIGNAL(currentIndexChanged(int)),
+            this, SLOT(changeArtist(int)));
+
+    QGroupBox *box = new QGroupBox(tr("Artist"));
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(artistView, 0, 0);
+    box->setLayout(layout);
+
+    return box;
+}
+
+QGroupBox* MainWindow::createAlbumGroupBox()
+{
+    QGroupBox *box = new QGroupBox(tr("Album"));
+
+    albumView = new QTableView;
+    albumView->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    albumView->setSortingEnabled(true);
+    albumView->setSelectionBehavior(QAbstractItemView::SelectRows);
+    albumView->setSelectionMode(QAbstractItemView::SingleSelection);
+    albumView->setShowGrid(false);
+    albumView->verticalHeader()->hide();
+    albumView->setAlternatingRowColors(true);
+    albumView->setModel(model);
+    adjustHeader();
+
+    QLocale locale = albumView->locale();
+    locale.setNumberOptions(QLocale::OmitGroupSeparator);
+    albumView->setLocale(locale);
+
+    connect(albumView, SIGNAL(clicked(QModelIndex)),
+            this, SLOT(showAlbumDetails(QModelIndex)));
+    connect(albumView, SIGNAL(activated(QModelIndex)),
+            this, SLOT(showAlbumDetails(QModelIndex)));
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->addWidget(albumView, 0, 0);
+    box->setLayout(layout);
+
+    return box;
+}
+
+QGroupBox* MainWindow::createDetailsGroupBox()
+{
+    QGroupBox *box = new QGroupBox(tr("Details"));
+
+    profileLabel = new QLabel;
+    profileLabel->setWordWrap(true);
+    profileLabel->setAlignment(Qt::AlignBottom);
+
+    titleLabel = new QLabel;
+    titleLabel->setWordWrap(true);
+    titleLabel->setAlignment(Qt::AlignBottom);
+
+    iconLabel = new QLabel();
+    iconLabel->setAlignment(Qt::AlignBottom | Qt::AlignRight);
+    iconLabel->setPixmap(QPixmap(":/images/icon.png"));
+
+    imageLabel = new QLabel;
+    imageLabel->setWordWrap(true);
+    imageLabel->setAlignment(Qt::AlignCenter);
+    imageLabel->setPixmap(QPixmap(":/images/image.png"));
+
+    trackList = new QListWidget;
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(imageLabel, 0, 0, 3, 2);
+    layout->addWidget(profileLabel, 0, 0);
+    layout->addWidget(iconLabel, 0, 1);
+    layout->addWidget(titleLabel, 1, 0, 1, 2);
+    layout->addWidget(trackList, 2, 0, 1, 2);
+    layout->setRowStretch(2, 1);
+    box->setLayout(layout);
+
+    return box;
+}
+
+void MainWindow::createMenuBar()
+{
+    QAction *addAction = new QAction(tr("&Add album..."), this);
+    QAction *deleteAction = new QAction(tr("&Delete album..."), this);
+    QAction *quitAction = new QAction(tr("&Quit"), this);
+    QAction *aboutAction = new QAction(tr("&About"), this);
+    QAction *aboutQtAction = new QAction(tr("About &Qt"), this);
+
+    addAction->setShortcut(tr("Ctrl+A"));
+    deleteAction->setShortcut(tr("Ctrl+D"));
+    quitAction->setShortcuts(QKeySequence::Quit);
+
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+    fileMenu->addAction(addAction);
+    fileMenu->addAction(deleteAction);
+    fileMenu->addSeparator();
+    fileMenu->addAction(quitAction);
+
+    QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
+    helpMenu->addAction(aboutAction);
+    helpMenu->addAction(aboutQtAction);
+
+    connect(addAction, SIGNAL(triggered(bool)), this, SLOT(addAlbum()));
+    connect(deleteAction, SIGNAL(triggered(bool)), this, SLOT(deleteAlbum()));
+    connect(quitAction, SIGNAL(triggered(bool)), this, SLOT(close()));
+    connect(aboutAction, SIGNAL(triggered(bool)), this, SLOT(about()));
+    connect(aboutQtAction, SIGNAL(triggered(bool)), qApp, SLOT(aboutQt()));
+}
+
+void MainWindow::showImageLabel()
+{
+    profileLabel->hide();
+    titleLabel->hide();
+    iconLabel->hide();
+    trackList->hide();
+
+    imageLabel->show();
+}
+
+QModelIndex MainWindow::indexOfArtist(const QString &artist)
+{
+    QSqlTableModel *artistModel = model->relationModel(2);
+
+    for (int i = 0; i < artistModel->rowCount(); i++) {
+        QSqlRecord record =  artistModel->record(i);
+        if (record.value("artist") == artist)
+            return artistModel->index(i, 1);
+    }
+    return QModelIndex();
+}
+
+void MainWindow::updateHeader(QModelIndex, int, int)
+{
+    adjustHeader();
+}
+
+void MainWindow::adjustHeader()
+{
+    albumView->hideColumn(0);
+    albumView->horizontalHeader()->setResizeMode(1, QHeaderView::Stretch);
+    albumView->resizeColumnToContents(2);
+    albumView->resizeColumnToContents(3);
+}
+
+void MainWindow::about()
+{
+    QMessageBox::about(this, tr("About Music Archive"),
+            tr("<p>The <b>Music Archive</b> example shows how to present "
+               "data from different data sources in the same application. "
+               "The album titles, and the corresponding artists and release dates, "
+               "are kept in a database, while each album's tracks are stored "
+               "in an XML file. </p><p>The example also shows how to add as "
+               "well as remove data from both the database and the "
+               "associated XML file using the API provided by the QtSql and "
+               "QtXml modules, respectively.</p>"));
+}
diff --git a/examples/sql/masterdetail/mainwindow.h b/examples/sql/masterdetail/mainwindow.h
new file mode 100644
index 0000000000..e087b68ee3
--- /dev/null
+++ b/examples/sql/masterdetail/mainwindow.h
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QDomDocument>
+#include <QMainWindow>
+#include <QModelIndex>
+
+QT_BEGIN_NAMESPACE
+class QComboBox;
+class QFile;
+class QGroupBox;
+class QLabel;
+class QListWidget;
+class QSqlRelationalTableModel;
+class QTableView;
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(const QString &artistTable, const QString &albumTable,
+               QFile *albumDetails, QWidget *parent = 0);
+
+private slots:
+    void about();
+    void addAlbum();
+    void changeArtist(int row);
+    void deleteAlbum();
+    void showAlbumDetails(QModelIndex index);
+    void showArtistProfile(QModelIndex index);
+    void updateHeader(QModelIndex, int, int);
+
+private:
+    void adjustHeader();
+    QGroupBox *createAlbumGroupBox();
+    QGroupBox *createArtistGroupBox();
+    QGroupBox *createDetailsGroupBox();
+    void createMenuBar();
+    void decreaseAlbumCount(QModelIndex artistIndex);
+    void getTrackList(QDomNode album);
+    QModelIndex indexOfArtist(const QString &artist);
+    void readAlbumData();
+    void removeAlbumFromDatabase(QModelIndex album);
+    void removeAlbumFromFile(int id);
+    void showImageLabel();
+
+    QTableView *albumView;
+    QComboBox *artistView;
+    QListWidget *trackList;
+
+    QLabel *iconLabel;
+    QLabel *imageLabel;
+    QLabel *profileLabel;
+    QLabel *titleLabel;
+
+    QDomDocument albumData;
+    QFile *file;
+    QSqlRelationalTableModel *model;
+};
+
+#endif
diff --git a/examples/sql/masterdetail/masterdetail.pro b/examples/sql/masterdetail/masterdetail.pro
new file mode 100644
index 0000000000..39d93ec017
--- /dev/null
+++ b/examples/sql/masterdetail/masterdetail.pro
@@ -0,0 +1,21 @@
+HEADERS   = database.h \
+            dialog.h \
+            mainwindow.h
+RESOURCES = masterdetail.qrc
+SOURCES   = dialog.cpp \
+            main.cpp \
+            mainwindow.cpp
+
+QT += sql
+QT += xml
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/masterdetail
+sources.files = $$SOURCES *.h $$RESOURCES $$FORMS masterdetail.pro *.xml images
+sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/masterdetail
+INSTALLS += target sources
+
+symbian {
+    TARGET.UID3 = 0xA000D7CF
+    include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri)
+}
diff --git a/examples/sql/masterdetail/masterdetail.qrc b/examples/sql/masterdetail/masterdetail.qrc
new file mode 100644
index 0000000000..717c2eb945
--- /dev/null
+++ b/examples/sql/masterdetail/masterdetail.qrc
@@ -0,0 +1,6 @@
+<!DOCTYPE RCC><RCC version="1.0">
+ <qresource>
+    <file>images/icon.png</file>
+    <file>images/image.png</file>
+ </qresource>
+</RCC>