/*
 * Copyright (C) 2015  Ivan Romanov <drizt@land.ru>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

#pragma once

#include <QList>
#include <QString>

class AbstractTreeItem;

typedef QList<AbstractTreeItem *> AbstractTreeItemList;

class AbstractTreeItem {
public:
    explicit AbstractTreeItem(AbstractTreeItem *parent = nullptr);
    virtual ~AbstractTreeItem();

    void setRow(int row);
    int  row() const;

    void              setParent(AbstractTreeItem *newParent);
    AbstractTreeItem *parent() const;

    void insertChild(int row, AbstractTreeItem *child);
    void appendChild(AbstractTreeItem *child);
    void removeChild(AbstractTreeItem *child);

    AbstractTreeItem *   child(int row) const;
    int                  childCount() const;
    AbstractTreeItemList children() const;

    virtual AbstractTreeItem *clone() const { return nullptr; /* no default implementation */ }
    void                      dump(int indent = 0) const;
    virtual QString           toString() const { return QString(); /* no default implementation */ }

private:
    AbstractTreeItem *   _parent;
    AbstractTreeItemList _children;
};
