//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2011-2013 Ceetron AS
//
//   This library may be used under the terms of either the GNU General Public License or
//   the GNU Lesser General Public License as follows:
//
//   GNU General Public License Usage
//   This library is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   This library is distributed in the hope that it will be useful, but WITHOUT ANY
//   WARRANTY; without even the implied warranty of MERCHANTABILITY or
//   FITNESS FOR A PARTICULAR PURPOSE.
//
//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
//   for more details.
//
//   GNU Lesser General Public License Usage
//   This library is free software; you can redistribute it and/or modify
//   it under the terms of the GNU Lesser General Public License as published by
//   the Free Software Foundation; either version 2.1 of the License, or
//   (at your option) any later version.
//
//   This library is distributed in the hope that it will be useful, but WITHOUT ANY
//   WARRANTY; without even the implied warranty of MERCHANTABILITY or
//   FITNESS FOR A PARTICULAR PURPOSE.
//
//   See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
//   for more details.
//
//##################################################################################################


#pragma once

#include <vector>
#include <map>
#include <set>

#include <QObject>
#include <QStringList>

class QAction;

namespace caf 
{

class CmdFeature;

//==================================================================================================
/// 
//==================================================================================================
class CmdFeatureManager : public QObject
{
    Q_OBJECT

public:
    static CmdFeatureManager* instance();
    virtual ~CmdFeatureManager();

    QAction* action(const QString& commandId);
    QAction* action(const QString& commandId, const QString& customActionText);
    QAction* actionWithUserData(const QString& commandId, const QString& customActionText, const QVariant& userData);
    void refreshStates(const QStringList& commandIdList = QStringList());
    void refreshEnabledState(const QStringList& commandIdList = QStringList());
    void refreshCheckedState(const QStringList& commandIdList = QStringList());

    CmdFeature* getCommandFeature(const std::string& commandId);

    std::vector<CmdFeature*> commandFeaturesMatchingSubString(const std::string& subString) const;

private:
    CmdFeatureManager();

    std::pair<CmdFeature*, size_t>  createFeature(const std::string& commandId);
    std::pair<CmdFeature*, size_t>  findExistingCmdFeature(const std::string& commandId);

    CmdFeature*                     commandFeature(const std::string& commandId) const;

private:
    std::vector<CmdFeature*>        m_commandFeatures;
    std::map<std::string , size_t > m_commandIdToFeatureIdxMap;
    std::map<QAction*, size_t >     m_actionToFeatureIdxMap;

};



} // end namespace caf