////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2019-2022 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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 3 of the License, or
// (at your option) any later version.
//
// Octave 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 Octave; see the file COPYING.  If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_set_path_dialog_h)
#define octave_set_path_dialog_h 1

#include <QDialog>
#include <QFileInfo>
#include <QModelIndex>

#include "qt-interpreter-events.h"

class octave_value_list;

class QLabel;
class QPushButton;
class QListView;
class QVBoxLayout;
class QHBoxLayout;

namespace octave
{
  class set_path_dialog : public QDialog
  {
    Q_OBJECT

  public:

    // You must call update_model to fully initialize the path displayed
    // in the dialog.  That may only be done after the intepreter_event
    // signal connections are made to the Octave interpreter.

    set_path_dialog (QWidget *parent);

    virtual ~set_path_dialog (void) = default;

    void save_settings (void);

  signals:

    //! Emitted, when the path has to be modified

    void modify_path_signal (const QStringList& dir_list, bool rm,
                             bool subdirs);

    void interpreter_event (const fcn_callback& fcn);
    void interpreter_event (const meth_callback& meth);

  public slots:

    void update_model (void);

  protected:

    void closeEvent (QCloseEvent *e);

  private slots:

    void add_dir (void);
    void add_dir_subdirs (void);

    void rm_dir (void);

    void move_dir_up (void);

    void move_dir_down (void);

    void move_dir_top (void);

    void move_dir_bottom (void);

  private:

    void add_dir_common (bool subdirs);

    QLabel *m_info_label;
    QPushButton *m_reload_button;
    QPushButton *m_save_button;
    QPushButton *m_close_button;
    QPushButton *m_revert_button;
    QPushButton *m_revert_last_button;

    QListView *m_path_list;

    QPushButton *m_add_folder_button;
    QPushButton *m_move_to_top_button;
    QPushButton *m_move_to_bottom_button;
    QPushButton *m_move_up_button;
    QPushButton *m_move_down_button;
    QPushButton *m_remove_button;
  };
}

#endif