jsontreemodel.h

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#ifndef JSONTREEMODEL_H
#define JSONTREEMODEL_H
 
#include <QAbstractItemModel>
#include <QModelIndex>
#include <QVariant>
#include "jsontreeitem.h"
#include <nlohmann/json.hpp>
 
using namespace nlohmann::detail;
 
 
class JsonTreeModel : public QAbstractItemModel
{
    Q_OBJECT
 
public:
    JsonTreeModel(const QStringList &headers, const nlohmann::json &data,
                 QObject *parent = 0);
    ~JsonTreeModel();
 
    QVariant data(const QModelIndex &index, int role) const;
    QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const;
 
    QModelIndex index(int row, int column,
                      const QModelIndex &parent = QModelIndex()) const;
    QModelIndex parent(const QModelIndex &index) const;
 
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
 
    Qt::ItemFlags flags(const QModelIndex &index) const;
    bool setData(const QModelIndex &index, const QVariant &value,
                 int role = Qt::EditRole);
    bool setHeaderData(int section, Qt::Orientation orientation,
                       const QVariant &value, int role = Qt::EditRole);
 
    bool insertColumns(int position, int columns,
                       const QModelIndex &parent = QModelIndex());
    bool removeColumns(int position, int columns,
                       const QModelIndex &parent = QModelIndex());
    bool insertRows(int position, int rows,
                    const QModelIndex &parent = QModelIndex());
    bool removeRows(int position, int rows,
                    const QModelIndex &parent = QModelIndex());
 
    JsonTreeItem *getRootItem();
 
private:
    void setupModelData(const nlohmann::json &lines, JsonTreeItem *parent);
    QString getTypeString(value_t vType);
 
    JsonTreeItem *getItem(const QModelIndex &index) const;
    JsonTreeItem *rootItem;
};
 
#endif