PlaylistView.h

/* PlaylistView.h */

/* Copyright (C) 2011-2016 Lucio Carreras
 *
 * This file is part of sayonara player
 *
 * 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 3 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 <http://www.gnu.org/licenses/>.
 */


/*
 * PlaylistView.h
 *
 *  Created on: Jun 27, 2011
 *      Author: Lucio Carreras
 */

#ifndef PLAYLISTVIEW_H_
#define PLAYLISTVIEW_H_

#include "Components/Playlist/Playlist.h"
#include "GUI/Helper/SearchableWidget/SearchableListView.h"
#include "GUI/InfoDialog/InfoDialogContainer.h"

#include "Helper/Set.h"

#include <QPoint>
#include <QDrag>
#include <QList>
#include <QMenu>
#include <QPainter>
#include <QModelIndex>
#include <QMouseEvent>
#include <QScrollBar>
#include <QProgressBar>
#include <QContextMenuEvent>

class SayonaraLoadingBar;
class LibraryContextMenu;
class PlaylistItemModel;
class PlaylistItemDelegate;
class PlaylistView :
        public SearchableListView,
        public InfoDialogContainer
{
    Q_OBJECT

signals:
    void sig_double_clicked(int row);
    void sig_left_tab_clicked();
    void sig_right_tab_clicked();
    void sig_time_changed();

public:
    PlaylistView(PlaylistPtr pl, QWidget* parent=nullptr);
    virtual ~PlaylistView();

    void fill(PlaylistPtr pl);

    void goto_row(int row);
    void scroll_up();
    void scroll_down();

    int get_num_rows();
    void remove_cur_selected_rows();

    void dropEventFromOutside(QDropEvent* event);


public slots:
    void clear();


private:
    QDrag*                  _drag=nullptr;
    QPoint                  _drag_pos;

    LibraryContextMenu*     _rc_menu=nullptr;

    PlaylistItemModel*      _model=nullptr;
    PlaylistItemDelegate*   _delegate=nullptr;
    SayonaraLoadingBar*     _progress=nullptr;

    int                     _async_drop_index;


private:

    void set_delegate_max_width(int n_items);

    // d & d
    void clear_drag_drop_lines(int row);
    int calc_drag_drop_line(QPoint pos);
    void handle_drop(QDropEvent* event);
    void handle_inner_drag_drop(int row, bool copy);


    // overloaded stuff
    void contextMenuEvent(QContextMenuEvent* e) override;

    void dragLeaveEvent(QDragLeaveEvent* event) override;
    void dragEnterEvent(QDragEnterEvent* event) override;
    void dragMoveEvent(QDragMoveEvent* event) override;
    void dropEvent(QDropEvent* event) override;

    void mousePressEvent(QMouseEvent* event) override;
    void mouseMoveEvent(QMouseEvent* event) override;
    void mouseDoubleClickEvent(QMouseEvent* event) override;

    void keyPressEvent(QKeyEvent *event) override;
    void resizeEvent(QResizeEvent *e) override;
    void selectionChanged ( const QItemSelection & selected, const QItemSelection & deselected ) override;

    MetaDataList::Interpretation get_metadata_interpretation() const override;
    MetaDataList get_data_for_info_dialog() const override;


private slots:
    void handle_async_drop(bool success);
    void rating_changed(int rating);
};


#endif /* PlaylistView_H_ */