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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef BOOKMARKFILTERMODEL_H
#define BOOKMARKFILTERMODEL_H
#include <QtCore/QPersistentModelIndex>
#include <QtCore/QAbstractProxyModel>
#include <QtCore/QSortFilterProxyModel>
QT_BEGIN_NAMESPACE
class BookmarkItem;
class BookmarkModel;
typedef QList<QPersistentModelIndex> PersistentModelIndexCache;
class BookmarkFilterModel : public QAbstractProxyModel
{
Q_OBJECT
public:
explicit BookmarkFilterModel(QObject *parent = nullptr);
void setSourceModel(QAbstractItemModel *sourceModel) override;
int rowCount(const QModelIndex &index) const override;
int columnCount(const QModelIndex &index) const override;
QModelIndex mapToSource(const QModelIndex &proxyIndex) const override;
QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override;
QModelIndex parent(const QModelIndex &child) const override;
QModelIndex index(int row, int column, const QModelIndex &parent) const override;
Qt::DropActions supportedDropActions () const override;
Qt::ItemFlags flags(const QModelIndex &index) const override;
QVariant data(const QModelIndex &index, int role) const override;
bool setData(const QModelIndex &index, const QVariant &value, int role) override;
void filterBookmarks();
void filterBookmarkFolders();
private slots:
void changed(const QModelIndex &topLeft, const QModelIndex &bottomRight);
void rowsInserted(const QModelIndex &parent, int start, int end);
void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void rowsRemoved(const QModelIndex &parent, int start, int end);
void layoutAboutToBeChanged();
void layoutChanged();
void modelAboutToBeReset();
void modelReset();
private:
void setupCache(const QModelIndex &parent);
void collectItems(const QModelIndex &parent);
private:
BookmarkModel *sourceModel = nullptr;
PersistentModelIndexCache cache;
QPersistentModelIndex indexToRemove;
bool hideBookmarks = true;
};
// -- BookmarkTreeModel
class BookmarkTreeModel : public QSortFilterProxyModel
{
Q_OBJECT
public:
BookmarkTreeModel(QObject *parent = nullptr);
int columnCount(const QModelIndex &parent = QModelIndex()) const override;
protected:
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
};
QT_END_NAMESPACE
#endif // BOOKMARKFILTERMODEL_H
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