viewitem.h

Go to the documentation of this file.

//  ************************************************************************************************
//
//  qt-mvvm: Model-view-view-model framework for large GUI applications
//
//! @file      mvvm/viewmodel/mvvm/viewmodel/viewitem.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_VIEWMODEL_VIEWITEM_H
#define BORNAGAIN_MVVM_VIEWMODEL_MVVM_VIEWMODEL_VIEWITEM_H
 
#include "mvvm/core/variant.h"
#include "mvvm/viewmodel_export.h"
#include <memory>
#include <vector>
 
namespace ModelView {
 
class SessionItem;
 
//! Represents the view of SessionItem's data in a single cell of ViewModel.
 
class MVVM_VIEWMODEL_EXPORT ViewItem {
public:
    virtual ~ViewItem();
 
    int rowCount() const;
 
    int columnCount() const;
 
    void appendRow(std::vector<std::unique_ptr<ViewItem>> items);
 
    void insertRow(int row, std::vector<std::unique_ptr<ViewItem>> items);
 
    void removeRow(int row);
 
    void clear();
 
    ViewItem* parent() const;
 
    ViewItem* child(int row, int column) const;
 
    SessionItem* item() const;
 
    int item_role() const;
 
    int row() const;
 
    int column() const;
 
    virtual QVariant data(int qt_role) const;
 
    virtual bool setData(const QVariant& value, int qt_role);
 
    virtual Qt::ItemFlags flags() const;
 
    std::vector<ViewItem*> children() const;
 
protected:
    ViewItem(SessionItem* item, int role);
    void setParent(ViewItem* parent);
 
private:
    struct ViewItemImpl;
    std::unique_ptr<ViewItemImpl> p_impl;
};
 
} // namespace ModelView
 
#endif // BORNAGAIN_MVVM_VIEWMODEL_MVVM_VIEWMODEL_VIEWITEM_H