listviewmodel.h

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//#
//# Copyright (C) 2020-2025 QuasarApp.
//# Distributed under the GPLv3 software license, see the accompanying
//# Everyone is permitted to copy and distribute verbatim copies
//# of this license document, but changing it is not allowed.
//#
 
#ifndef LISTVIEWMODEL_H
#define LISTVIEWMODEL_H
#include <QAbstractItemModel>
#include "viewsolutions_global.h"
 
namespace ViewSolutions {

enum class ListViewModelRoles {
    ModelData = Qt::UserRole
};

class VIEWSOLUTION_EXPORT ListViewModel: public QAbstractListModel
{
    Q_OBJECT
public:
    ListViewModel(QObject *ptr = nullptr);
    ~ListViewModel();
 
    int rowCount(const QModelIndex &parent =  QModelIndex()) const;
    QVariant data(const QModelIndex &index, int role) const;
    QHash<int, QByteArray> roleNames() const;

    void setExternalSource(const QList<QObject*>* newData);

    void setSource(const QList<QObject*>& newData);

    void addSource(QObject *data);

    void clear(bool fast = false);

    bool external() const;
 
private:
    void setExternal(bool external);
 
    bool _external = false;
    QList<QObject*> _data;
    const QList<QObject*> *_externalData = nullptr;
 
};
 
}
#endif // LISTVIEWMODEL_H