Sayonara Player
GenreView.h
1 /* GenreView.h */
2 
3 /* Copyright (C) 2011-2019 Lucio Carreras
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef LIBRARYGENREVIEW_H
22 #define LIBRARYGENREVIEW_H
23 
24 #include "Gui/Utils/Widgets/WidgetTemplate.h"
25 #include "Gui/Utils/SearchableWidget/SearchableView.h"
26 #include "Utils/Pimpl.h"
27 
28 #include <QTreeWidget>
29 
30 class Genre;
31 class TreeDelegate;
32 class LocalLibrary;
33 class QItemSelection;
34 
35 namespace Util
36 {
37  template<typename T>
38  class Tree;
39 }
40 
42 
43 namespace Library
44 {
45  class GenreView :
46  public Gui::WidgetTemplate<QTreeWidget>
47  {
48  Q_OBJECT
49  PIMPL(GenreView)
50 
51  signals:
52  void sig_progress(const QString& name, int progress);
53  void sig_genres_reloaded();
54  void sig_selected_cleared();
55 
56  public:
57  explicit GenreView(QWidget* parent=nullptr);
58  ~GenreView() override;
59 
60  void init(LocalLibrary* library);
61  void reload_genres();
62  bool has_items() const;
63 
64  private:
65  void set_genres(const Util::Set<Genre>& genres);
66  void build_genre_data_tree(const Util::Set<Genre>& genres);
67  void populate_widget(QTreeWidgetItem* parent_item, GenreNode* node);
68 
69  QTreeWidgetItem* find_genre(const QString& genre);
70 
71  void init_context_menu();
72  QString no_genre_name() const;
73 
74  private slots:
75  void item_expanded(QTreeWidgetItem* item);
76  void item_collapsed(QTreeWidgetItem* item);
77  void expand_current_item();
78 
79  void progress_changed(int progress);
80  void update_finished();
81 
82  void new_pressed();
83  void rename_pressed();
84  void delete_pressed();
85 
86  void tree_action_changed();
87  void tree_action_toggled(bool b);
88 
89  void selection_changed(const QItemSelection& selected, const QItemSelection& deselected);
90 
91 
92  protected:
93  void language_changed() override;
94  void dragEnterEvent(QDragEnterEvent* e) override;
95  void dragMoveEvent(QDragMoveEvent* e) override;
96  void dragLeaveEvent(QDragLeaveEvent* e) override;
97  void dropEvent(QDropEvent* e) override;
98  void contextMenuEvent(QContextMenuEvent* e) override;
99  };
100 }
101 
102 #endif // LIBRARYGENREVIEW_H
Template for Sayonara Widgets. This template is responsible for holding a reference to the settings...
Definition: WidgetTemplate.h:76
Definition: LocalLibrary.h:35
Definition: GenreView.h:45
Helper functions.
Definition: GenreView.h:35
A set structure. Inherited from std::set with some useful methods. For integer and String this set is...
Definition: Set.h:35
The Tree class.
Definition: GenreView.h:38
Definition: Genre.h:30
An interface class needed when implementing a library plugin.
Definition: CachingThread.h:29