/* -*- C++ -*-
 *
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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.
 *
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#pragma once

#include <giomm.h>
#include <gtkmm.h>

#include "dirtreeview.h"
#include "guiutils.h"
#include "rtsurface.h"

#ifdef WIN32
#include "windows.h"
#endif

class DirBrowser: public Gtk::VBox {
public:
    typedef sigc::signal<void, const Glib::ustring &, const Glib::ustring &>
        DirSelectionSignal;

private:
    Glib::RefPtr<Gtk::TreeStore> dirTreeModel;

    struct DirTreeColumns: public Gtk::TreeModelColumnRecord {
    public:
        Gtk::TreeModelColumn<Glib::ustring> filename;
        Gtk::TreeModelColumn<int> icon1;
        Gtk::TreeModelColumn<int> icon2;
        Gtk::TreeModelColumn<Glib::ustring> dirname;
        Gtk::TreeModelColumn<Glib::RefPtr<Gio::FileMonitor>> monitor;

        DirTreeColumns()
        {
            add(icon1);
            add(icon2);
            add(filename);
            add(dirname);
            add(monitor);
        }
    };

    DirTreeColumns dtColumns;
    Gtk::TreeViewColumn tvc;
    Gtk::CellRendererText crt;
    Gtk::CellRendererPixbuf crb;
    Glib::ustring selected_dir_;

    DirTreeView *dirtree;
    Gtk::ScrolledWindow *scrolledwindow4;
    DirSelectionSignal dirSelectionSignal;

    void fillRoot();

    enum class DirIcon {
        OPENFOLDER,
        CLOSEDFOLDER,
        CDROM,
        FLOPPY,
        HDD,
        NETWORK,
        REMOVABLE
    };
    std::vector<std::shared_ptr<RTSurface>> dir_icons_;

    bool expandSuccess;

#ifdef WIN32
    unsigned int volumes;

public:
    void updateVolumes();
    void updateDirTree(const Gtk::TreeModel::iterator &iter);
    void updateDirTreeRoot();

private:
    void addRoot(char letter);
#endif
    void addDir(const Gtk::TreeModel::iterator &iter,
                const Glib::ustring &dirname);
    Gtk::TreePath expandToDir(const Glib::ustring &dirName);
    void updateDir(const Gtk::TreeModel::iterator &iter);

    IdleRegister idle_register;

    void on_cell_data_name(Gtk::CellRenderer *renderer,
                           const Gtk::TreeModel::iterator &iter);
    void on_cell_data_icon(Gtk::CellRenderer *renderer,
                           const Gtk::TreeModel::iterator &iter);

public:
    DirBrowser();
    ~DirBrowser() override;

    void fillDirTree();
    void on_sort_column_changed() const;
    void row_expanded(const Gtk::TreeModel::iterator &iter,
                      const Gtk::TreeModel::Path &path);
    void row_activated(const Gtk::TreeModel::Path &path,
                       Gtk::TreeViewColumn *column);
    void file_changed(const Glib::RefPtr<Gio::File> &file,
                      const Glib::RefPtr<Gio::File> &other_file,
                      Gio::FileMonitorEvent event_type,
                      const Gtk::TreeModel::iterator &iter,
                      const Glib::ustring &dirName);
    void open(const Glib::ustring &dirName,
              const Glib::ustring &fileName =
                  ""); // goes to dir "dirName" and selects file "fileName"
    void selectDir(Glib::ustring dir);
    void menu_item_activated(const UserCommand &cmd);

    DirSelectionSignal dirSelected() const;
};

inline DirBrowser::DirSelectionSignal DirBrowser::dirSelected() const
{
    return dirSelectionSignal;
}
