modellistenerbase.h

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//  ************************************************************************************************
//
//  qt-mvvm: Model-view-view-model framework for large GUI applications
//
//! @file      mvvm/model/mvvm/signals/modellistenerbase.h
//! @brief     Defines class CLASS?
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2020
//! @authors   Gennady Pospelov et al, Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************
 
#ifndef BORNAGAIN_MVVM_MODEL_MVVM_SIGNALS_MODELLISTENERBASE_H
#define BORNAGAIN_MVVM_MODEL_MVVM_SIGNALS_MODELLISTENERBASE_H
 
#include "mvvm/interfaces/modellistenerinterface.h"
 
namespace ModelView {
 
class SessionModel;
 
//! Provides sets of methods to subscribe to various signals generated by SessionModel.
//! Automatically tracks the time of life of SessionModel. Unsubscribes from the model on
//! own destruction.
 
class MVVM_MODEL_EXPORT ModelListenerBase : public ModelListenerInterface {
public:
    ModelListenerBase(SessionModel* model);
    ~ModelListenerBase() override;
 
    // 'client' is not used here, since 'this' is used
 
    void setOnDataChange(Callbacks::item_int_t f, Callbacks::slot_t client = {}) override;
    void setOnItemInserted(Callbacks::item_tagrow_t f, Callbacks::slot_t client = {}) override;
    void setOnItemRemoved(Callbacks::item_tagrow_t f, Callbacks::slot_t client = {}) override;
    void setOnAboutToRemoveItem(Callbacks::item_tagrow_t f, Callbacks::slot_t client = {}) override;
    void setOnModelDestroyed(Callbacks::model_t f, Callbacks::slot_t client = {}) override;
    void setOnModelAboutToBeReset(Callbacks::model_t f, Callbacks::slot_t client = {}) override;
    void setOnModelReset(Callbacks::model_t f, Callbacks::slot_t client = {}) override;
 
    void unsubscribe(Callbacks::slot_t client = {}) override;
 
protected:
    SessionModel* m_model{nullptr};
};
 
} // namespace ModelView
 
#endif // BORNAGAIN_MVVM_MODEL_MVVM_SIGNALS_MODELLISTENERBASE_H