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 {
49  class GenreView :
50  public Gui::WidgetTemplate<QTreeWidget>
51  {
53 
54  Q_OBJECT
55  PIMPL(GenreView)
56 
57  signals:
58  void sig_progress(const QString& name, int progress);
59  void sig_selected_changed(const QStringList& genres);
60  void sig_invalid_genre_selected();
61 
62  private:
63  using Parent::activated;
64  using Parent::clicked;
65  using Parent::pressed;
66 
67  public:
68  explicit GenreView(QWidget* parent=nullptr);
69  ~GenreView() override;
70 
71  void init(LocalLibrary* library);
72  void reload_genres();
73 
74  static QString invalid_genre_name();
75 
76  private:
77  void set_genres(const Util::Set<Genre>& genres);
78  void build_genre_data_tree(const Util::Set<Genre>& genres);
79  void populate_widget(QTreeWidgetItem* parent_item, GenreNode* node);
80 
81  QTreeWidgetItem* find_genre(const QString& genre);
82 
83  void init_context_menu();
84 
85 
86  private slots:
87  void item_expanded(QTreeWidgetItem* item);
88  void item_collapsed(QTreeWidgetItem* item);
89  void expand_current_item();
90 
91  void progress_changed(int progress);
92  void update_finished();
93 
94  void new_pressed();
95  void rename_pressed();
96  void delete_pressed();
97 
98  void switch_tree_list();
99 
100  void selection_changed(const QItemSelection& selected, const QItemSelection& deselected);
101 
102 
103  protected:
104  void language_changed() override;
105  void dragEnterEvent(QDragEnterEvent* e) override;
106  void dragMoveEvent(QDragMoveEvent* e) override;
107  void dragLeaveEvent(QDragLeaveEvent* e) override;
108  void dropEvent(QDropEvent* e) override;
109  void contextMenuEvent(QContextMenuEvent* e) override;
110  };
111 }
112 
113 #endif // LIBRARYGENREVIEW_H
Template for Sayonara Widgets. This template is responsible for holding a reference to the settings.
Definition: WidgetTemplate.h:84
Definition: LocalLibrary.h:35
The GenreView class.
Definition: GenreView.h:49
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: LocalLibraryWatcher.h:32