/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
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** 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
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****************************************************************************/

#ifndef SETTINGSMANAGER_H
#define SETTINGSMANAGER_H

#if QT_VERSION >= 0x050000
#    include <QDesignerSettingsInterface>
#else
#    include "qt_private/abstractsettings_p.h"
#endif

namespace Designer {
namespace Internal {

/* Prepends "Designer" to every value stored/retrieved by designer plugins,
   to avoid namespace polution. We cannot use a group because groups cannot be nested,
   and designer uses groups internally. */
class SettingsManager : public QDesignerSettingsInterface
{
public:
    virtual void beginGroup(const QString &prefix);
    virtual void endGroup();

    virtual bool contains(const QString &key) const;
    virtual void setValue(const QString &key, const QVariant &value);
    virtual QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
    virtual void remove(const QString &key);

private:
    QString addPrefix(const QString &name) const;
};

} // namespace Internal
} // namespace Designer

#endif // SETTINGSMANAGER_H