externalpropertycomboeditor.h

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//  ************************************************************************************************
//
//  qt-mvvm: Model-view-view-model framework for large GUI applications
//
//! @file      mvvm/viewmodel/mvvm/editors/externalpropertycomboeditor.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_VIEWMODEL_MVVM_EDITORS_EXTERNALPROPERTYCOMBOEDITOR_H
#define BORNAGAIN_MVVM_VIEWMODEL_MVVM_EDITORS_EXTERNALPROPERTYCOMBOEDITOR_H
 
#include "mvvm/editors/customeditor.h"
#include <functional>
#include <vector>
 
class QComboBox;
class QStandardItemModel;
 
namespace ModelView {
 
class ExternalProperty;
 
//! Custom editor for table/tree cells to select ExternalProperty from the list of
//! external properties. Uses callbacks to retrieve vector of possible properties.
 
class MVVM_VIEWMODEL_EXPORT ExternalPropertyComboEditor : public CustomEditor {
    Q_OBJECT
 
public:
    using callback_t = std::function<std::vector<ModelView::ExternalProperty>()>;
 
    ExternalPropertyComboEditor(callback_t callback, QWidget* parent = nullptr);
 
    QSize sizeHint() const override;
    QSize minimumSizeHint() const override;
 
protected slots:
    virtual void onIndexChanged(int index);
 
private:
    int internIndex();
    void setConnected(bool isConnected);
    void update_components() override;
 
    callback_t m_getPropertiesCallback;
    QComboBox* m_box{nullptr};
    QStandardItemModel* m_comboModel{nullptr};
};
 
} // namespace ModelView
 
#endif // BORNAGAIN_MVVM_VIEWMODEL_MVVM_EDITORS_EXTERNALPROPERTYCOMBOEDITOR_H