1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Assistant of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL-EXCEPT$
9** Commercial License Usage
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11** accordance with the commercial license agreement provided with the
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17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 as published by the Free Software
20** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
21** included in the packaging of this file. Please review the following
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26**
27****************************************************************************/
28#ifndef BOOKMARKMODEL_H
29#define BOOKMARKMODEL_H
30
31#include <QtCore/QAbstractItemModel>
32
33#include <QtGui/QIcon>
34
35QT_BEGIN_NAMESPACE
36
37class BookmarkItem;
38class QMimeData;
39class QTreeView;
40
41typedef QMap<BookmarkItem*, QPersistentModelIndex> ItemModelIndexCache;
42
43class BookmarkModel : public QAbstractItemModel
44{
45 Q_OBJECT
46public:
47 BookmarkModel();
48 ~BookmarkModel() override;
49
50 QByteArray bookmarks() const;
51 void setBookmarks(const QByteArray &bookmarks);
52
53 void setItemsEditable(bool editable);
54 void expandFoldersIfNeeeded(QTreeView *treeView);
55
56 QModelIndex addItem(const QModelIndex &parent, bool isFolder = false);
57 bool removeItem(const QModelIndex &index);
58
59 int rowCount(const QModelIndex &index = QModelIndex()) const override;
60 int columnCount(const QModelIndex &index = QModelIndex()) const override;
61
62 QModelIndex parent(const QModelIndex &index) const override;
63 QModelIndex index(int row, int column, const QModelIndex &index) const override;
64
65 Qt::DropActions supportedDropActions () const override;
66 Qt::ItemFlags flags(const QModelIndex &index) const override;
67
68 QVariant data(const QModelIndex &index, int role) const override;
69 void setData(const QModelIndex &index, const QVector<QVariant> &data);
70 bool setData(const QModelIndex &index, const QVariant &value, int role) override;
71 QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
72
73 QModelIndex indexFromItem(BookmarkItem *item) const;
74 BookmarkItem *itemFromIndex(const QModelIndex &index) const;
75 QList<QPersistentModelIndex> indexListFor(const QString &label) const;
76
77 bool insertRows(int position, int rows, const QModelIndex &parent) override;
78 bool removeRows(int position, int rows, const QModelIndex &parent) override;
79
80 QStringList mimeTypes() const override;
81 QMimeData* mimeData(const QModelIndexList &indexes) const override;
82 bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row,
83 int column, const QModelIndex &parent) override;
84
85private:
86 void setupCache(const QModelIndex &parent);
87 QModelIndexList collectItems(const QModelIndex &parent) const;
88 void collectItems(const QModelIndex &parent, qint32 depth,
89 QDataStream *stream) const;
90
91private:
92 int columns;
93 bool m_folder;
94 bool m_editable;
95 QIcon folderIcon;
96 QIcon bookmarkIcon;
97 QTreeView *treeView;
98 BookmarkItem *rootItem;
99 ItemModelIndexCache cache;
100};
101
102QT_END_NAMESPACE
103
104#endif // BOOKMARKMODEL_H
105

source code of qttools/src/assistant/assistant/bookmarkmodel.h