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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 <QtCore/QLibraryInfo>
+#include <QtGui/QApplication>
+#include <QtHelp/QHelpEngineCore>
+
+#include "helpbrowser.h"
+
+HelpBrowser::HelpBrowser(QWidget *parent)
+ : QTextBrowser(parent)
+{
+ QString collectionFile = QLibraryInfo::location(QLibraryInfo::ExamplesPath)
+ + QLatin1String("/help/contextsensitivehelp/doc/wateringmachine.qhc");
+
+ m_helpEngine = new QHelpEngineCore(collectionFile, this);
+ if (!m_helpEngine->setupData()) {
+ delete m_helpEngine;
+ m_helpEngine = 0;
+ }
+}
+
+void HelpBrowser::showHelpForKeyword(const QString &id)
+{
+ if (m_helpEngine) {
+ QMap<QString, QUrl> links = m_helpEngine->linksForIdentifier(id);
+ if (links.count())
+ setSource(links.constBegin().value());
+ }
+}
+
+QVariant HelpBrowser::loadResource(int type, const QUrl &name)
+{
+ QByteArray ba;
+ if (type < 4 && m_helpEngine) {
+ QUrl url(name);
+ if (name.isRelative())
+ url = source().resolved(url);
+ ba = m_helpEngine->fileData(url);
+ }
+ return ba;
+}
+