qt5base-lts/examples/widgets/itemviews/editabletreemodel/treemodel.h
Carl Schwan 604b2feca7 Modernize EditableTreeModel
- Use unique_ptr instead of manual memory management
- Improve consistenty in variable name with the simpletreemodel
  childrenNumber -> row, m_ prefix for member variables

Change-Id: Iface30c2224c2b1db7c623a9e6fcbb449c556f3e
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
2023-06-28 23:54:11 +00:00

61 lines
2.0 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef TREEMODEL_H
#define TREEMODEL_H
#include <QAbstractItemModel>
#include <QModelIndex>
#include <QVariant>
class TreeItem;
//! [0]
class TreeModel : public QAbstractItemModel
{
Q_OBJECT
public:
TreeModel(const QStringList &headers, const QString &data,
QObject *parent = nullptr);
~TreeModel();
//! [0] //! [1]
QVariant data(const QModelIndex &index, int role) const override;
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const override;
QModelIndex index(int row, int column,
const QModelIndex &parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex &index) const override;
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
int columnCount(const QModelIndex &parent = QModelIndex()) const override;
//! [1]
//! [2]
Qt::ItemFlags flags(const QModelIndex &index) const override;
bool setData(const QModelIndex &index, const QVariant &value,
int role = Qt::EditRole) override;
bool setHeaderData(int section, Qt::Orientation orientation,
const QVariant &value, int role = Qt::EditRole) override;
bool insertColumns(int position, int columns,
const QModelIndex &parent = QModelIndex()) override;
bool removeColumns(int position, int columns,
const QModelIndex &parent = QModelIndex()) override;
bool insertRows(int position, int rows,
const QModelIndex &parent = QModelIndex()) override;
bool removeRows(int position, int rows,
const QModelIndex &parent = QModelIndex()) override;
private:
void setupModelData(const QStringList &lines);
TreeItem *getItem(const QModelIndex &index) const;
std::unique_ptr<TreeItem> rootItem;
};
//! [2]
#endif // TREEMODEL_H