Convert sensor explorer example into a QML based application

Change-Id: If8628363c4998dabf85cad4277df088be23e3ff4
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Zsolt Simon <zsolt.simon@nokia.com>

10 files changed, 972 insertions, 0 deletions

diff --git a/examples/sensors/sensor_explorer/import/explorer.cpp b/examples/sensors/sensor_explorer/import/explorer.cpp
new file mode 100644
index 00000000..65f24723
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/explorer.cpp
@@ -0,0 +1,138 @@
+/****************************************************************************
+**
+** 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 QtSensors module 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 "explorer.h"
+#include <QtCore/QDebug>
+#include <qsensor.h>
+#include <QMetaObject>
+#include <QMetaProperty>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QSensorExplorer
+    \brief The QSensorExplorer element provides an easy access for reading all avalaible sensors installed on the system.
+*/
+
+/*!
+    Construct a QSensorExplorer object with parent \a parent
+*/
+QSensorExplorer::QSensorExplorer(QObject* parent)
+    : QObject(parent)
+    , _selectedSensorItem(0)
+{
+    loadSensors();
+}
+
+/*!
+    Destructor of a QSensorExplorer
+*/
+QSensorExplorer::~QSensorExplorer()
+{
+}
+
+/*!
+    Load all available sensors and store it in a list.
+*/
+void QSensorExplorer::loadSensors()
+{
+    //! [0]
+    _availableSensors.clear();
+
+    foreach (const QByteArray &type, QSensor::sensorTypes()) {
+        qDebug() << "Found type" << type;
+        foreach (const QByteArray &identifier, QSensor::sensorsForType(type)) {
+            qDebug() << "Found identifier" << identifier;
+            // Don't put in sensors we can't connect to
+            QSensor* sensor = new QSensor(type, this);
+            sensor->setIdentifier(identifier);
+            if (!sensor->connectToBackend()) {
+                qDebug() << "Couldn't connect to" << identifier;
+                continue;
+            }
+
+            qDebug() << "Adding identifier" << identifier;
+            _availableSensors.append(new QSensorItem(sensor, this));
+        }
+    }
+    emit availableSensorsChanged();
+    //! [0]
+}
+
+/*!
+    \fn QSensorExplorer::availableSensorsChanged()
+    Notifies the client if the list of the available sensors was changed
+*/
+
+/*!
+    \property QSensorExplorer::availableSensors
+    Returns a list of all available sensor.
+*/
+QDeclarativeListProperty<QSensorItem> QSensorExplorer::availableSensors()
+{
+    return QDeclarativeListProperty<QSensorItem>(this,_availableSensors);
+}
+
+/*!
+    \property QSensorExplorer::selectedSensorItem
+    Returns the current selected sensor item.
+*/
+QSensorItem* QSensorExplorer::selectedSensorItem()
+{
+    return _selectedSensorItem;
+}
+
+/*!
+    \fn QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem)
+    Sets the QSensorItem \a selitem as the current selected QSensorItem.
+*/
+void QSensorExplorer::setSelectedSensorItem(QSensorItem* selitem)
+{
+    if (selitem  && _selectedSensorItem != selitem) {
+        if (_selectedSensorItem)
+            _selectedSensorItem->unSelect();
+        _selectedSensorItem = selitem;
+        _selectedSensorItem->select();
+        emit selectedSensorItemChanged();
+    }
+}
+
+QT_END_NAMESPACE
diff --git a/examples/sensors/sensor_explorer/import/explorer.h b/examples/sensors/sensor_explorer/import/explorer.h
new file mode 100644
index 00000000..b32e6bd1
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/explorer.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** 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 QtSensors module 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSEONSOREXPLORER_H
+#define QSEONSOREXPLORER_H
+
+#include <QtDeclarative/qdeclarative.h>
+#include <QtDeclarative/QDeclarativeListProperty>
+#include "sensoritem.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSensorExplorer : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QDeclarativeListProperty<QSensorItem> availableSensors READ availableSensors NOTIFY availableSensorsChanged)
+    Q_PROPERTY(QSensorItem* selectedSensorItem READ selectedSensorItem WRITE setSelectedSensorItem NOTIFY selectedSensorItemChanged)
+public:
+    QSensorExplorer(QObject* parent = 0);
+    virtual ~QSensorExplorer();
+
+private:
+    QDeclarativeListProperty<QSensorItem> availableSensors();
+    void loadSensors();
+    void setSelectedSensorItem(QSensorItem* selitem);
+    QSensorItem* selectedSensorItem();
+
+Q_SIGNALS:
+    void availableSensorsChanged();
+    void selectedSensorItemChanged();
+
+private:
+    QList<QSensorItem*> _availableSensors;
+    QSensorItem* _selectedSensorItem;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QSensorExplorer)
+
+#endif // QSEONSOREXPLORER_H
diff --git a/examples/sensors/sensor_explorer/import/import.pro b/examples/sensors/sensor_explorer/import/import.pro
new file mode 100644
index 00000000..7baec429
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/import.pro
@@ -0,0 +1,24 @@
+TARGET  = declarative_explorer
+TARGETPATH = Explorer
+
+include(qsensorsimport.pri)
+
+QT += declarative sensors
+
+SOURCES = main.cpp explorer.cpp sensoritem.cpp propertyinfo.cpp
+HEADERS = explorer.h sensoritem.h propertyinfo.h
+
+symbian {
+    TARGET.EPOCALLOWDLLDATA = 1
+    TARGET.CAPABILITY = ALL -TCB
+}
+
+!isEmpty(EXAMPLES_PREFIX):DESTPATH=$$EXAMPLES_PREFIX/sensor_explorer/imports/Explorer
+else:DESTPATH=$$[QT_INSTALL_IMPORTS]/Explorer
+
+target.path=$$DESTPATH
+INSTALLS += target
+
+qmldir.files=$$PWD/qmldir
+qmldir.path=$$DESTPATH
+INSTALLS += qmldir
diff --git a/examples/sensors/sensor_explorer/import/main.cpp b/examples/sensors/sensor_explorer/import/main.cpp
new file mode 100644
index 00000000..df4db207
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/main.cpp
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtSensors module 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 <QtDeclarative/qdeclarativeextensionplugin.h>
+#include <QtDeclarative/qdeclarative.h>
+#include "explorer.h"
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+class SensorExplorerDeclarativeModule : public QDeclarativeExtensionPlugin
+{
+    Q_OBJECT
+public:
+    virtual void registerTypes(const char *uri)
+    {
+        qDebug() << "SensorExplorerDeclarativeModule::registerTypes(const char *uri)";
+
+        Q_ASSERT(QLatin1String(uri) == QLatin1String("Explorer"));
+        qmlRegisterType<QSensorExplorer>(uri, 1, 0, "SensorExplorer");
+        qmlRegisterType<QSensorItem>(uri, 1, 0, "SensorItem");
+        qmlRegisterType<QPropertyInfo>(uri, 1, 0, "PropertyInfo");
+    }
+};
+
+QT_END_NAMESPACE
+
+#include "main.moc"
+
+Q_EXPORT_PLUGIN2(sensorexplorerdeclarativemodule, QT_PREPEND_NAMESPACE(SensorExplorerDeclarativeModule))
diff --git a/examples/sensors/sensor_explorer/import/propertyinfo.cpp b/examples/sensors/sensor_explorer/import/propertyinfo.cpp
new file mode 100644
index 00000000..6ddcd3fb
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/propertyinfo.cpp
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** 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 QtSensors module 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 "sensoritem.h"
+#include <QtCore/QDebug>
+#include <QtSensors>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QPropertyInfo
+    \brief The QPropertyInfo element provides an easy access for reading and writing the property values.
+*/
+
+/*!
+    Construct a QPropertyInfo object with parent \a parent
+*/
+QPropertyInfo::QPropertyInfo(QObject* parent)
+    : QObject(parent)
+    , _index(0)
+    , _isWriteable(false)
+    , _name("")
+    , _typeName("")
+    , _value("")
+{}
+
+/*!
+    Construct a QPropertyInfo object with parent \a parent, property name \a name, property index \a index,
+    property write access \a writeable, property type \a typeName and property value \a value
+*/
+QPropertyInfo::QPropertyInfo(const QString& name, int index, bool writeable, const QString& typeName, const QString& value, QObject* parent)
+    : QObject(parent)
+    , _index(index)
+    , _isWriteable(writeable)
+    , _name(name)
+    , _typeName(typeName)
+    , _value(value)
+{}
+
+/*!
+    \property QPropertyInfo::name
+    Returns the name of the property
+*/
+QString QPropertyInfo::name()
+{
+    return _name;
+}
+
+/*!
+    \property QPropertyInfo::typeName
+    Returns the type of the property
+*/
+QString QPropertyInfo::typeName()
+{
+    return _typeName;
+}
+
+/*!
+    \property QPropertyInfo::value
+    Returns the current value of the property
+*/
+QString QPropertyInfo::value()
+{
+    return _value;
+}
+
+/*!
+    \fn void QPropertyInfo::valueChanged()
+    Signal that notifies the client if the property value was changed.
+*/
+
+/*!
+    \fn QPropertyInfo::setValue(const QString& value)
+    Sets the value \a value of the property
+*/
+void QPropertyInfo::setValue(const QString& value)
+{
+    if (value != _value){
+        _value = value;
+        emit valueChanged();
+    }
+}
+
+/*!
+    \fn QPropertyInfo::index()
+    Returns the meta-data index of the property
+*/
+int QPropertyInfo::index()
+{
+    return _index;
+}
+
+/*!
+    \property QPropertyInfo::isWriteable
+    Returns true if the property is writeable false if property is read only
+*/
+bool QPropertyInfo::isWriteable()
+{
+    return _isWriteable;
+}
+
+QT_END_NAMESPACE
diff --git a/examples/sensors/sensor_explorer/import/propertyinfo.h b/examples/sensors/sensor_explorer/import/propertyinfo.h
new file mode 100644
index 00000000..4f693e8f
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/propertyinfo.h
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** 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 QtSensors module 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$
+**
+****************************************************************************/
+
+#ifndef QPROPERTYINFO_H
+#define QPROPERTYINFO_H
+
+#include <QtDeclarative/qdeclarative.h>
+#include <QtCore/QString>
+
+QT_BEGIN_NAMESPACE
+
+class QPropertyInfo : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QString name READ name CONSTANT)
+    Q_PROPERTY(QString typeName READ typeName CONSTANT)
+    Q_PROPERTY(QString value READ value NOTIFY valueChanged)
+    Q_PROPERTY(bool isWriteable READ isWriteable CONSTANT)
+
+public:
+    QPropertyInfo(QObject* parent = 0);
+    QPropertyInfo(const QString& name, int index, bool writeable, const QString& typeName, const QString& value, QObject* parent=0);
+    QString name();
+    QString typeName();
+    QString value();
+    void setValue(const QString& value);
+    int index();
+    bool isWriteable();
+
+Q_SIGNALS:
+    void valueChanged();
+
+private:
+    int _index;
+    bool _isWriteable;
+    QString _name;
+    QString _typeName;
+    QString _value;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QPropertyInfo)
+
+#endif // QPROPERTYINFO_H
diff --git a/examples/sensors/sensor_explorer/import/qmldir b/examples/sensors/sensor_explorer/import/qmldir
new file mode 100644
index 00000000..60d8f883
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/qmldir
@@ -0,0 +1 @@
+plugin declarative_explorer
diff --git a/examples/sensors/sensor_explorer/import/qsensorsimport.pri b/examples/sensors/sensor_explorer/import/qsensorsimport.pri
new file mode 100644
index 00000000..b8af2b7b
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/qsensorsimport.pri
@@ -0,0 +1,27 @@
+load(qt_module)
+
+symbian:load(qt_plugin)
+TEMPLATE = lib
+CONFIG += qt plugin
+
+win32|mac:!wince*:!win32-msvc:!macx-xcode:CONFIG += debug_and_release
+
+isEmpty(TARGETPATH) {
+    error("qimportbase.pri: You must provide a TARGETPATH!")
+}
+isEmpty(TARGET) {
+    error("qimportbase.pri: You must provide a TARGET!")
+}
+
+TARGET = $$qtLibraryTarget($$TARGET)
+contains(QT_CONFIG, reduce_exports):CONFIG += hide_symbols
+
+load(qt_targets)
+
+wince*:LIBS += $$QMAKE_LIBS_GUI
+
+symbian: {
+    TARGET.EPOCALLOWDLLDATA=1
+    TARGET.CAPABILITY = All -Tcb
+    load(armcc_warnings)
+}
diff --git a/examples/sensors/sensor_explorer/import/sensoritem.cpp b/examples/sensors/sensor_explorer/import/sensoritem.cpp
new file mode 100644
index 00000000..21fc7767
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/sensoritem.cpp
@@ -0,0 +1,317 @@
+/****************************************************************************
+**
+** 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 QtSensors module 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 "sensoritem.h"
+#include <QtCore/QDebug>
+#include <QtSensors>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QSensorItem
+    \brief The QSensorItem element provides information about the meta-datas from a sensors installed on the system.
+*/
+
+/*!
+    Construct a QSensorItem object with parent \a parent
+*/
+QSensorItem::QSensorItem(QObject* parent)
+    : QObject(parent)
+    , _qsensor(0)
+{
+}
+
+/*!
+    Construct a QSensorItem object with QSensor \a sensor and parent \a parent
+*/
+QSensorItem::QSensorItem(QSensor* sensor, QObject* parent)
+    : QObject(parent)
+    , _qsensor(sensor)
+{
+}
+
+/*!
+    Destructor of a QSensorItem
+*/
+QSensorItem::~QSensorItem()
+{
+}
+
+/*!
+    \property QSensorItem::start
+    This property starts or stops the sensor
+*/
+bool QSensorItem::start()
+{
+    return (_qsensor ? _qsensor->isActive() : false);
+}
+
+void QSensorItem::setStart(bool run)
+{
+    if (_qsensor)
+        _qsensor->setActive(run);
+}
+
+/*!
+    \property QSensorItem::id
+    Returns the sensor id of the sensor item
+*/
+QString QSensorItem::id()
+{
+    return (_qsensor ? _qsensor->identifier() : "");
+}
+
+/*!
+    Set the new value \a val to the QPropertyInfo object \a property
+*/
+void QSensorItem::changePropertyValue(QPropertyInfo* property, const QString& val)
+{
+    if (_qsensor && _sensorProperties.contains(property)){
+        if ( _qsensor->setProperty(property->name().toLatin1().constData(), QVariant(val)))
+            updateSensorPropertyValues();
+        else
+            qWarning() << "new property value couldn't be set";
+    }
+}
+
+/*!
+    Reading the meta-datas and activates the sensor.
+*/
+void QSensorItem::select()
+{
+    if (_sensorProperties.isEmpty()) {
+        // Probe the reading using Qt's meta-object facilities
+        //Read properties from reader
+        QSensorReading *reading = _qsensor->reading();
+        const QMetaObject *mo = reading->metaObject();
+        int firstProperty = QSensorReading::staticMetaObject.propertyOffset();
+
+        for (int i = firstProperty; i < mo->propertyCount(); ++i) {
+            QString typeName = QLatin1String(mo->property(i).typeName());
+            int crap = typeName.lastIndexOf("::");
+            if (crap != -1)
+                typeName = typeName.mid(crap + 2);
+
+            QPropertyInfo* pi = new QPropertyInfo(mo->property(i).name()
+                                                  , i
+                                                  , isWriteable(mo->property(i).name())
+                                                  , typeName
+                                                  , "-"
+                                                  , this);
+            _readerProperties.append(pi);
+        }
+
+        //Read properties from sensor
+        const QMetaObject *mo1 = _qsensor->metaObject();
+        firstProperty = QSensorReading::staticMetaObject.propertyOffset();
+
+        for (int i = firstProperty; i < mo1->propertyCount(); ++i) {
+            QString propertyname = mo1->property(i).name();
+            if (ignoreProperty(propertyname))
+                continue;
+
+            QString typeName = QLatin1String(mo1->property(i).typeName());
+            int crap = typeName.lastIndexOf("::");
+            if (crap != -1)
+                typeName = typeName.mid(crap + 2);
+
+            QPropertyInfo* pi = new QPropertyInfo(propertyname
+                                                  , i
+                                                  , isWriteable(propertyname)
+                                                  , typeName
+                                                  , "-"
+                                                  , this);
+            _sensorProperties.append(pi);
+        }
+        updateSensorPropertyValues();
+        connect(_qsensor, SIGNAL(readingChanged()), this, SLOT(sensorReadingChanged()));
+    }
+    connect(_qsensor, SIGNAL(activeChanged()), SIGNAL(startChanged()));
+}
+
+/*!
+    Unselect the sensor by stopping the sensor.
+*/
+void QSensorItem::unSelect()
+{
+    _qsensor->stop();
+    disconnect(_qsensor, SIGNAL(activeChanged()), this , SIGNAL(startChanged()));
+}
+
+/*!
+    Updates the property values from QSensor
+*/
+void QSensorItem::updateSensorPropertyValues()
+{
+    if (_qsensor){
+        const QMetaObject *mo = _qsensor->metaObject();
+        for (int i = 0; i < _sensorProperties.count(); i++){
+            QVariant val = mo->property(_sensorProperties[i]->index()).read(_qsensor);
+            _sensorProperties[i]->setValue(convertValue(_sensorProperties[i]->typeName(), val));
+        }
+    }
+}
+
+/*!
+    \fn QSensorItem::propertiesChanged()
+    Notifies the client if the list of the properties was changed
+*/
+
+/*!
+    Updates the property values from the QSensorReader
+*/
+void QSensorItem::sensorReadingChanged()
+{
+    QSensorReading *reading = _qsensor->reading();
+    const QMetaObject *mo = reading->metaObject();
+    for (int i = 0; i < _readerProperties.count(); i++){
+        QVariant val = mo->property(_readerProperties[i]->index()).read(reading);
+        _readerProperties[i]->setValue(convertValue(_readerProperties[i]->typeName(), val));
+    }
+}
+
+/*!
+    Returns true if the property with the name \a propertyname should be ignored
+*/
+bool QSensorItem::ignoreProperty(const QString& propertyname)
+{
+    if (propertyname == "reading" ||
+        propertyname == "active" ||
+        propertyname == "sensorid" ||
+        propertyname == "connectedToBackend" ||
+        propertyname == "busy")
+        return true;
+
+    return false;
+}
+
+/*!
+    Returns true if the property with the name \a propertyname is writeable
+*/
+bool QSensorItem::isWriteable(const QString& propertyname)
+{
+    if (_qsensor){
+        const QMetaObject *mo = _qsensor->metaObject();
+        int propertyindex = mo->indexOfProperty(propertyname.toLocal8Bit().constData());
+        if (propertyindex >= 0){
+            QMetaProperty prop = mo->property(propertyindex);
+            return prop.isWritable();
+        }
+        else {
+            QSensorReading *reading = _qsensor->reading();
+            const QMetaObject *moreader = reading->metaObject();
+            propertyindex = moreader->indexOfProperty(propertyname.toLocal8Bit().constData());
+            if (propertyindex >= 0){
+                QMetaProperty prop = mo->property(propertyindex);
+                return prop.isWritable();
+            }
+        }
+    }
+
+    return false;
+}
+
+/*!
+    Convert the variant \a val dependend on the type \a type and returns the converted value as a QString
+*/
+QString QSensorItem::convertValue(const QString& type, const QVariant& val)
+{
+    if (type == "LightLevel"){
+        switch (val.toInt()) {
+            case 1: return "Dark";
+            case 2: return "Twilight";
+            case 3: return "Light";
+            case 4: return "Bright";
+            case 5: return "Sunny";
+            default: return "Undefined";
+        }
+    }
+    else if (type == "Orientation"){
+        switch (val.toInt()) {
+            case 1: return "TopUp";
+            case 2: return "TopDown";
+            case 3: return "LeftUp";
+            case 4: return "RightUp";
+            case 5: return "FaceUp";
+            case 6: return "FaceDown";
+            default: return "Undefined";
+        }
+    }
+    else if (type == "qrangelist"){
+        qrangelist rangelist = val.value<qrangelist>();
+        QStringList ranges;
+        foreach (const qrange &r, rangelist) {
+            if (r.first == r.second)
+                ranges << QString("%1 Hz").arg(r.first);
+            else
+                ranges << QString("%1-%2 Hz").arg(r.first).arg(r.second);
+        }
+        if (ranges.count() > 0)
+            return ranges.join(", ");
+        return "-";
+    }
+    else if (type == "qoutputrangelist") {
+        qoutputrangelist rangelist = val.value<qoutputrangelist>();
+        QStringList ranges;
+        foreach (const qoutputrange &r, rangelist) {
+            ranges << QString("(%1, %2) += %3").arg(r.minimum).arg(r.maximum).arg(r.accuracy);
+        }
+        if (ranges.count() > 0)
+            return ranges.join(", ");
+        return "-";
+    }
+
+    return val.toString();
+}
+
+/*!
+    \property QSensorItem::properties
+    Returns a list of all properties from the sensor
+*/
+QDeclarativeListProperty<QPropertyInfo> QSensorItem::properties()
+{
+    _properties.clear();
+    _properties.append(_sensorProperties);
+    _properties.append(_readerProperties);
+    return QDeclarativeListProperty<QPropertyInfo> (this, _properties);
+}
+
+QT_END_NAMESPACE
diff --git a/examples/sensors/sensor_explorer/import/sensoritem.h b/examples/sensors/sensor_explorer/import/sensoritem.h
new file mode 100644
index 00000000..9e9ab944
--- /dev/null
+++ b/examples/sensors/sensor_explorer/import/sensoritem.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 QtSensors module 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSENSORITEM_H
+#define QSENSORITEM_H
+
+#include <QtDeclarative/qdeclarative.h>
+#include <QtCore/QString>
+#include "propertyinfo.h"
+
+QT_BEGIN_NAMESPACE
+
+class QSensor;
+class QSensorItem : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(bool start READ start WRITE setStart NOTIFY startChanged)
+    Q_PROPERTY(QString id READ id CONSTANT)
+    Q_PROPERTY(QDeclarativeListProperty<QPropertyInfo> properties READ properties NOTIFY propertiesChanged)
+public:
+    QSensorItem(QObject* parent = 0);
+    QSensorItem(QSensor* sensor, QObject* parent = 0);
+    virtual ~QSensorItem();
+
+public slots:
+    void select();
+    void unSelect();
+    void changePropertyValue(QPropertyInfo* property, const QString& val);
+
+private slots:
+    void sensorReadingChanged();
+
+private:
+    QString id();
+    bool start();
+    void setStart(bool run);
+    QDeclarativeListProperty<QPropertyInfo> properties();
+    QString convertValue(const QString& type, const QVariant& val);
+    bool isWriteable(const QString& propertyname);
+    bool ignoreProperty(const QString& propertyname);
+    void updateSensorPropertyValues();
+
+Q_SIGNALS:
+    void propertiesChanged();
+    void startChanged();
+
+private:
+    QSensor* _qsensor;
+    QList<QPropertyInfo*> _properties;
+    QList<QPropertyInfo*> _readerProperties;
+    QList<QPropertyInfo*> _sensorProperties;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QSensorItem)
+
+#endif // QSENSORITEM_H