/*  This file is part of KArchiveManager
    Copyright (C) 2018 Ivailo Monev <xakepa10@gmail.com>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2, as published by the Free Software Foundation.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef KARCHIVEMANAGER_H
#define KARCHIVEMANAGER_H

#include <QString>
#include <QStringList>
#include <QStandardItemModel>
#include <KArchive>

class KArchiveModelPrivate;

/*!
    Custom item model for displaying archives in tree views (@p QTreeView)

    Example:
    \code
    QTreeView view;
    KArchiveModel model;
    KArchive archive("/home/joe/archive.tar.gz");

    view.setModel(model);
    model.loadArchive(&archive);
    \endcode

    @todo sorting by column values is borked
*/
class KArchiveModel : public QStandardItemModel
{
    Q_OBJECT

public:
    KArchiveModel(QObject *parent = nullptr);
    ~KArchiveModel();

    //! @brief Load archive into the model
    bool loadArchive(const KArchive *archive);
    //! @brief Get path for index, propagates to parents to retrieve the full path
    QString path(const QModelIndex &index) const;
    /*!
        @brief Get paths for index, propagates to childs to retrieve all sub-paths.
        Usefull for obtaining the selected item paths for add, remove and extract
        operations
    */
    QStringList paths(const QModelIndex &index) const;
    /*!
        @brief Get parent directory for index. Usefull for obtaining the current dir
        for add operations
    */
    QString dir(const QModelIndex &index) const;

Q_SIGNALS:
    //! @brief Signals load was started
    void loadStarted();
    //! @brief Signals load was finished
    void loadFinished();

private Q_SLOTS:
    void slotLoadFinished();

private:
    KArchiveModelPrivate *d;
};

#endif // KARCHIVEMANAGER_H