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libnotificationmanager/notificationgroupcollapsingproxymodel_p.h
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1 | /* | ||||
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2 | * Copyright 2019 Kai Uwe Broulik <kde@privat.broulik.de> | ||||
3 | * | ||||
4 | * This library is free software; you can redistribute it and/or | ||||
5 | * modify it under the terms of the GNU Lesser General Public | ||||
6 | * License as published by the Free Software Foundation; either | ||||
7 | * version 2.1 of the License, or (at your option) version 3, or any | ||||
8 | * later version accepted by the membership of KDE e.V. (or its | ||||
9 | * successor approved by the membership of KDE e.V.), which shall | ||||
10 | * act as a proxy defined in Section 6 of version 3 of the license. | ||||
11 | * | ||||
12 | * This library 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 GNU | ||||
15 | * Lesser General Public License for more details. | ||||
16 | * | ||||
17 | * You should have received a copy of the GNU Lesser General Public | ||||
18 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. | ||||
19 | */ | ||||
20 | | ||||
21 | #pragma once | ||||
22 | | ||||
23 | #include <QSortFilterProxyModel> | ||||
24 | #include <QDateTime> | ||||
25 | | ||||
26 | namespace NotificationManager { | ||||
27 | | ||||
28 | class NotificationGroupCollapsingProxyModel : public QSortFilterProxyModel | ||||
29 | { | ||||
30 | Q_OBJECT | ||||
31 | | ||||
32 | public: | ||||
33 | explicit NotificationGroupCollapsingProxyModel(QObject *parent = nullptr); | ||||
34 | ~NotificationGroupCollapsingProxyModel() override; | ||||
35 | | ||||
36 | void setSourceModel(QAbstractItemModel *sourceModel) override; | ||||
37 | | ||||
38 | QVariant data(const QModelIndex &index, int role) const override; | ||||
39 | bool setData(const QModelIndex &index, const QVariant &value, int role) override; | ||||
40 | | ||||
41 | int limit() const; | ||||
42 | void setLimit(int limit); | ||||
43 | | ||||
44 | QDateTime lastRead() const; | ||||
45 | void setLastRead(const QDateTime &lastRead); | ||||
46 | | ||||
47 | bool expandUnread() const; | ||||
48 | void setExpandUnread(bool expand); | ||||
49 | | ||||
50 | void collapseAll(); | ||||
51 | | ||||
52 | signals: | ||||
53 | void limitChanged(); | ||||
54 | void lastReadChanged(); | ||||
55 | void expandUnreadChanged(); | ||||
56 | | ||||
57 | protected: | ||||
58 | bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override; | ||||
59 | | ||||
60 | private: | ||||
61 | bool setGroupExpanded(const QModelIndex &idx, bool expanded); | ||||
62 | | ||||
63 | void invalidateGroupRoles(); | ||||
64 | | ||||
65 | int m_limit; | ||||
66 | QDateTime m_lastRead; | ||||
67 | bool m_expandUnread = false; | ||||
68 | | ||||
69 | QList<QPersistentModelIndex> m_expandedGroups; | ||||
70 | | ||||
71 | }; | ||||
72 | | ||||
73 | } // namespace NotificationManager |