CuteLogger
Fast and simple logging solution for Qt based applications
attachedfiltersmodel.h
1 /*
2  * Copyright (c) 2013-2018 Meltytech, LLC
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef ATTACHEDFILTERSMODEL_H
19 #define ATTACHEDFILTERSMODEL_H
20 
21 #include <QAbstractListModel>
22 #include <MltFilter.h>
23 #include <MltProducer.h>
24 #include <MltEvent.h>
25 
26 class QmlMetadata;
27 
28 class AttachedFiltersModel : public QAbstractListModel
29 {
30  Q_OBJECT
31  Q_PROPERTY(QString producerTitle READ producerTitle NOTIFY trackTitleChanged)
32  Q_PROPERTY(bool isProducerSelected READ isProducerSelected NOTIFY isProducerSelectedChanged)
33 public:
34  enum ModelRoles {
35  TypeDisplayRole = Qt::UserRole + 1
36  };
37 
38  explicit AttachedFiltersModel(QObject *parent = 0);
39 
40  Mlt::Filter* getFilter(int row) const;
41  QmlMetadata* getMetadata(int row) const;
42  void setProducer(Mlt::Producer* producer = 0);
43  QString producerTitle() const;
44  bool isProducerSelected() const;
45  Mlt::Producer* producer() const { return m_producer.data(); }
46 
47  // QAbstractListModel Implementation
48  int rowCount(const QModelIndex &parent = QModelIndex()) const;
49  Qt::ItemFlags flags(const QModelIndex &index) const;
50  QVariant data(const QModelIndex &index, int role) const;
51  bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
52  QHash<int, QByteArray> roleNames() const;
53  Qt::DropActions supportedDropActions() const;
54  bool insertRows(int row, int count, const QModelIndex &parent);
55  bool removeRows(int row, int count, const QModelIndex &parent);
56  bool moveRows(const QModelIndex & sourceParent, int sourceRow, int count, const QModelIndex & destinationParent, int destinationRow);
57 
58 signals:
59  void changed();
60  void duplicateAddFailed(int index);
61  void trackTitleChanged();
62  void isProducerSelectedChanged();
63  void addedOrRemoved(Mlt::Producer*);
64 
65 public slots:
66  void add(QmlMetadata* meta);
67  void remove(int row);
68  bool move(int fromRow, int toRow);
69 
70 private:
71  static void producerChanged(mlt_properties owner, AttachedFiltersModel* model);
72  void reset(Mlt::Producer *producer = 0);
73 
74  int m_dropRow;
75  int m_removeRow;
76  QScopedPointer<Mlt::Producer> m_producer;
77  QScopedPointer<Mlt::Event> m_event;
78  typedef QList<QmlMetadata*> MetadataList;
79  MetadataList m_metaList;
80  typedef QList<int> IndexMap;
81  IndexMap m_mltIndexMap;
82 };
83 
84 #endif // ATTACHEDFILTERSMODEL_H