| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
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| 3 | #ifndef BOOKMARKFILTERMODEL_H |
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| 4 | #define BOOKMARKFILTERMODEL_H |
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| 5 | |
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| 6 | #include <QtCore/QPersistentModelIndex> |
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| 7 | |
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| 8 | #include <QtCore/QAbstractProxyModel> |
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| 9 | #include <QtCore/QSortFilterProxyModel> |
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| 10 | |
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| 11 | QT_BEGIN_NAMESPACE |
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| 12 | |
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| 13 | class BookmarkItem; |
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| 14 | class BookmarkModel; |
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| 15 | |
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| 16 | typedef QList<QPersistentModelIndex> PersistentModelIndexCache; |
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| 17 | |
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| 18 | class BookmarkFilterModel : public QAbstractProxyModel |
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| 19 | { |
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| 20 | Q_OBJECT |
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| 21 | public: |
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| 22 | explicit BookmarkFilterModel(QObject *parent = nullptr); |
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| 23 | |
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| 24 | void setSourceModel(QAbstractItemModel *sourceModel) override; |
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| 25 | |
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| 26 | int rowCount(const QModelIndex &index) const override; |
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| 27 | int columnCount(const QModelIndex &index) const override; |
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| 28 | |
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| 29 | QModelIndex mapToSource(const QModelIndex &proxyIndex) const override; |
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| 30 | QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override; |
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| 31 | |
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| 32 | QModelIndex parent(const QModelIndex &child) const override; |
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| 33 | QModelIndex index(int row, int column, const QModelIndex &parent) const override; |
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| 34 | |
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| 35 | Qt::DropActions supportedDropActions () const override; |
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| 36 | Qt::ItemFlags flags(const QModelIndex &index) const override; |
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| 37 | |
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| 38 | QVariant data(const QModelIndex &index, int role) const override; |
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| 39 | bool setData(const QModelIndex &index, const QVariant &value, int role) override; |
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| 40 | |
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| 41 | void filterBookmarks(); |
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| 42 | void filterBookmarkFolders(); |
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| 43 | |
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| 44 | private slots: |
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| 45 | void changed(const QModelIndex &topLeft, const QModelIndex &bottomRight); |
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| 46 | void rowsInserted(const QModelIndex &parent, int start, int end); |
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| 47 | void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end); |
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| 48 | void rowsRemoved(const QModelIndex &parent, int start, int end); |
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| 49 | void layoutAboutToBeChanged(); |
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| 50 | void layoutChanged(); |
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| 51 | void modelAboutToBeReset(); |
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| 52 | void modelReset(); |
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| 53 | |
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| 54 | private: |
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| 55 | void setupCache(const QModelIndex &parent); |
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| 56 | void collectItems(const QModelIndex &parent); |
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| 57 | |
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| 58 | private: |
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| 59 | BookmarkModel *sourceModel = nullptr; |
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| 60 | PersistentModelIndexCache cache; |
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| 61 | QPersistentModelIndex indexToRemove; |
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| 62 | bool hideBookmarks = true; |
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| 63 | }; |
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| 64 | |
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| 65 | // -- BookmarkTreeModel |
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| 66 | |
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| 67 | class BookmarkTreeModel : public QSortFilterProxyModel |
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| 68 | { |
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| 69 | Q_OBJECT |
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| 70 | public: |
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| 71 | BookmarkTreeModel(QObject *parent = nullptr); |
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| 72 | int columnCount(const QModelIndex &parent = QModelIndex()) const override; |
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| 73 | |
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| 74 | protected: |
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| 75 | bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override; |
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| 76 | }; |
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| 77 | |
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| 78 | QT_END_NAMESPACE |
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| 79 | |
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| 80 | #endif // BOOKMARKFILTERMODEL_H |
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| 81 | |
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