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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
+**
+** This file is part of the documentation of Qt. It was originally
+** published as part of Qt Quarterly.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 1.1, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at [email protected].
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QGeoCoordinate>
+#include <QGeoMappingManagerEngine>
+#include <QGraphicsGeoMap>
+#include "mapwindow.h"
+
+using namespace QtMobility;
+
+MapWindow::MapWindow()
+{
+ scene = new QGraphicsScene(this);
+
+ findServices();
+
+ QGraphicsView *view = new QGraphicsView(this);
+ view->setScene(scene);
+ setCentralWidget(view);
+}
+
+void MapWindow::findServices()
+{
+ QMenu *serviceMenu = menuBar()->addMenu(tr("&Services"));
+
+ actionGroup = new QActionGroup(this);
+ actionGroup->setExclusive(true);
+ connect(actionGroup, SIGNAL(triggered(QAction *)),
+ this, SLOT(selectService(QAction *)));
+
+ foreach (const QString &name, QGeoServiceProvider::availableServiceProviders()) {
+
+ QGeoServiceProvider *service = new QGeoServiceProvider(name);
+ services[name] = service;
+ QAction *action = serviceMenu->addAction(name);
+ action->setCheckable(true);
+ actionGroup->addAction(action);
+ }
+
+ if (services.isEmpty()) {
+
+ QGraphicsTextItem *item = scene->addText(
+ tr("Failed to find any map services. Please ensure that "
+ "the location services plugins for Qt Mobility have "
+ "been built and, if necessary, set the QT_PLUGIN_PATH "
+ "environment variable to the location of the Qt Mobility "
+ "plugins directory."));
+ item->setTextWidth(300);
+ QAction *action = serviceMenu->addAction(tr("No services"));
+ action->setEnabled(false);
+ } else
+ actionGroup->actions()[0]->trigger();
+}
+
+void MapWindow::selectService(QAction *action)
+{
+ action->setChecked(true);
+ QString name = action->text();
+
+ scene->clear();
+
+ QGeoServiceProvider *service = services[name];
+ if (service->error() != QGeoServiceProvider::NoError) {
+
+ QGraphicsTextItem *item = scene->addText(
+ tr("The \"%1\" service failed with the following error:\n'"
+ "%2").arg(name).arg(service->errorString()));
+ item->setTextWidth(300);
+ } else {
+ QGeoMappingManager *manager = service->mappingManager();
+ QGraphicsGeoMap *geoMap = new QGraphicsGeoMap(manager);
+ scene->addItem(geoMap);
+
+ geoMap->resize(300, 300);
+ geoMap->setCenter(QGeoCoordinate(37.76, -25.675));
+ geoMap->setMapType(QGraphicsGeoMap::TerrainMap);
+ geoMap->setZoomLevel(12);
+ }
+}