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/****************************************************************************
**
** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtUml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** 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
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef IPLUGINCONTROLLER_H
#define IPLUGINCONTROLLER_H

#include "duseinterfaces_global.h"

#include <QtCore/QObject>

#include <QtCore/QPair>
#include <QtCore/QJsonObject>

QT_BEGIN_NAMESPACE
class QMetaModelPlugin;
QT_END_NAMESPACE

namespace DuSE
{

class IPlugin;

class DUSEINTERFACESSHARED_EXPORT IPluginController : public QObject
{
    Q_OBJECT

public:
    virtual ~IPluginController();

    virtual bool initialize() = 0;

    virtual const QHash<QString, QMetaModelPlugin *> &metamodelPlugins() const = 0;
    virtual const QList<DuSE::IPlugin *> &dusemtPlugins() const = 0;

    virtual QStringList errorStrings() const = 0;

    template <class T>
    QList<T *> pluginsByType() const
    {
        QList<T *> foundPlugins;
        T *tPlugin;
        const QList<IPlugin *> &plugins = dusemtPlugins();
        foreach (IPlugin *dusePlugin, plugins)
            if ((tPlugin = dynamic_cast<T *>(dusePlugin)))
                foundPlugins << tPlugin;
        return foundPlugins;
    }

protected:
    IPluginController();
};

}

#endif // IPLUGINCONTROLLER_H