ItemIDFactory.h

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//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/coregui/utils/ItemIDFactory.h
//! @brief     Defines class ItemIDFactory
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_GUI_COREGUI_UTILS_ITEMIDFACTORY_H
#define BORNAGAIN_GUI_COREGUI_UTILS_ITEMIDFACTORY_H
 
#include <QMap>
#include <QUuid>
 
class SessionItem;
 
class ItemIDFactory {
public:
    // delete copy/move constructor/assignment:
    ItemIDFactory(const ItemIDFactory&) = delete;
    ItemIDFactory(ItemIDFactory&&) = delete;
    ItemIDFactory& operator=(const ItemIDFactory&) = delete;
    ItemIDFactory& operator=(ItemIDFactory&&) = delete;
 
    static ItemIDFactory& instance();
 
    static QString createID(SessionItem* toBeInsertedItem);
 
    static QString getID(SessionItem* existingItem);
 
    static SessionItem* getItem(QString existingID);
 
    static int IDSize();
 
private:
    ItemIDFactory() = default;
 
    QMap<QString, SessionItem*> IDtoItemMap;
    QMap<SessionItem*, QString> ItemtoIDMap;
};
 
#endif // BORNAGAIN_GUI_COREGUI_UTILS_ITEMIDFACTORY_H