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qabstractproxymodel.h
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3// Qt-Security score:significant reason:default
4
5#ifndef QABSTRACTPROXYMODEL_H
6#define QABSTRACTPROXYMODEL_H
7
8#include <QtCore/qabstractitemmodel.h>
9
10QT_REQUIRE_CONFIG(proxymodel);
11
12QT_BEGIN_NAMESPACE
13
14class QAbstractProxyModelPrivate;
15class QItemSelection;
16
17class Q_CORE_EXPORT QAbstractProxyModel : public QAbstractItemModel
18{
19 Q_OBJECT
20 Q_PROPERTY(QAbstractItemModel *sourceModel READ sourceModel WRITE setSourceModel
21 NOTIFY sourceModelChanged BINDABLE bindableSourceModel)
22
23public:
24 explicit QAbstractProxyModel(QObject *parent = nullptr);
25 ~QAbstractProxyModel();
26
27 virtual void setSourceModel(QAbstractItemModel *sourceModel);
28 QAbstractItemModel *sourceModel() const;
29 QBindable<QAbstractItemModel *> bindableSourceModel();
30
31 Q_INVOKABLE virtual QModelIndex mapToSource(const QModelIndex &proxyIndex) const = 0;
32 Q_INVOKABLE virtual QModelIndex mapFromSource(const QModelIndex &sourceIndex) const = 0;
33
34 Q_INVOKABLE virtual QItemSelection mapSelectionToSource(const QItemSelection &selection) const;
35 Q_INVOKABLE virtual QItemSelection mapSelectionFromSource(const QItemSelection &selection) const;
36
37 bool submit() override;
38 void revert() override;
39
40 QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const override;
41 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
42 QMap<int, QVariant> itemData(const QModelIndex &index) const override;
43 Qt::ItemFlags flags(const QModelIndex &index) const override;
44
45 bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
46 bool setItemData(const QModelIndex& index, const QMap<int, QVariant> &roles) override;
47 bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole) override;
48 bool clearItemData(const QModelIndex &index) override;
49
50 QModelIndex buddy(const QModelIndex &index) const override;
51 bool canFetchMore(const QModelIndex &parent) const override;
52 void fetchMore(const QModelIndex &parent) override;
53 void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
54 QSize span(const QModelIndex &index) const override;
55 bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
56 QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
57
58 QMimeData* mimeData(const QModelIndexList &indexes) const override;
59 bool canDropMimeData(const QMimeData *data, Qt::DropAction action,
60 int row, int column, const QModelIndex &parent) const override;
61 bool dropMimeData(const QMimeData *data, Qt::DropAction action,
62 int row, int column, const QModelIndex &parent) override;
63 QStringList mimeTypes() const override;
64 Qt::DropActions supportedDragActions() const override;
65 Qt::DropActions supportedDropActions() const override;
66 QHash<int, QByteArray> roleNames() const override;
67
68Q_SIGNALS:
69 void sourceModelChanged(QPrivateSignal);
70
71protected:
72 QModelIndex createSourceIndex(int row, int col, void *internalPtr) const;
73 QAbstractProxyModel(QAbstractProxyModelPrivate &, QObject *parent);
74
75private:
76 Q_DECLARE_PRIVATE(QAbstractProxyModel)
77 Q_DISABLE_COPY(QAbstractProxyModel)
78 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelDestroyed())
79 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelRowsAboutToBeInserted(QModelIndex, int, int))
80 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelRowsInserted(QModelIndex, int, int))
81 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelRowsRemoved(QModelIndex, int, int))
82 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelColumnsAboutToBeInserted(QModelIndex, int, int))
83 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelColumnsInserted(QModelIndex, int, int))
84 Q_PRIVATE_SLOT(d_func(), void _q_sourceModelColumnsRemoved(QModelIndex, int, int))
85};
86
87QT_END_NAMESPACE
88
89#endif // QABSTRACTPROXYMODEL_H
QAbstractProxyModel
The QAbstractProxyModel class provides a base class for proxy item models that can do sorting,...
Definition qabstractproxymodel.h:18
QT_REQUIRE_CONFIG
QT_REQUIRE_CONFIG(proxymodel)