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28 | #ifndef BOOKMARKFILTERMODEL_H |
29 | #define BOOKMARKFILTERMODEL_H |
30 | |
31 | #include <QtCore/QPersistentModelIndex> |
32 | |
33 | #include <QtCore/QAbstractProxyModel> |
34 | #include <QtCore/QSortFilterProxyModel> |
35 | |
36 | QT_BEGIN_NAMESPACE |
37 | |
38 | class BookmarkItem; |
39 | class BookmarkModel; |
40 | |
41 | typedef QList<QPersistentModelIndex> PersistentModelIndexCache; |
42 | |
43 | class BookmarkFilterModel : public QAbstractProxyModel |
44 | { |
45 | Q_OBJECT |
46 | public: |
47 | explicit BookmarkFilterModel(QObject *parent = nullptr); |
48 | |
49 | void setSourceModel(QAbstractItemModel *sourceModel) override; |
50 | |
51 | int rowCount(const QModelIndex &index) const override; |
52 | int columnCount(const QModelIndex &index) const override; |
53 | |
54 | QModelIndex mapToSource(const QModelIndex &proxyIndex) const override; |
55 | QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override; |
56 | |
57 | QModelIndex parent(const QModelIndex &child) const override; |
58 | QModelIndex index(int row, int column, const QModelIndex &parent) const override; |
59 | |
60 | Qt::DropActions supportedDropActions () const override; |
61 | Qt::ItemFlags flags(const QModelIndex &index) const override; |
62 | |
63 | QVariant data(const QModelIndex &index, int role) const override; |
64 | bool setData(const QModelIndex &index, const QVariant &value, int role) override; |
65 | |
66 | void filterBookmarks(); |
67 | void filterBookmarkFolders(); |
68 | |
69 | private slots: |
70 | void changed(const QModelIndex &topLeft, const QModelIndex &bottomRight); |
71 | void rowsInserted(const QModelIndex &parent, int start, int end); |
72 | void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end); |
73 | void rowsRemoved(const QModelIndex &parent, int start, int end); |
74 | void layoutAboutToBeChanged(); |
75 | void layoutChanged(); |
76 | void modelAboutToBeReset(); |
77 | void modelReset(); |
78 | |
79 | private: |
80 | void setupCache(const QModelIndex &parent); |
81 | void collectItems(const QModelIndex &parent); |
82 | |
83 | private: |
84 | BookmarkModel *sourceModel = nullptr; |
85 | PersistentModelIndexCache cache; |
86 | QPersistentModelIndex indexToRemove; |
87 | bool hideBookmarks = true; |
88 | }; |
89 | |
90 | // -- BookmarkTreeModel |
91 | |
92 | class BookmarkTreeModel : public QSortFilterProxyModel |
93 | { |
94 | Q_OBJECT |
95 | public: |
96 | BookmarkTreeModel(QObject *parent = nullptr); |
97 | int columnCount(const QModelIndex &parent = QModelIndex()) const override; |
98 | |
99 | protected: |
100 | bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override; |
101 | }; |
102 | |
103 | QT_END_NAMESPACE |
104 | |
105 | #endif // BOOKMARKFILTERMODEL_H |
106 | |