/* This file is part of the KDE project
   SPDX-FileCopyrightText: 2010 Thomas Fjellstrom <thomas@fjellstrom.ca>

   SPDX-License-Identifier: LGPL-2.0-or-later
*/

#pragma once

#include <QSortFilterProxyModel>

namespace KTextEditor
{
class Document;
}

enum { CustomSorting = 1000 };

class KateFileTreeProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT

public:
    explicit KateFileTreeProxyModel(QObject *p = nullptr);
    QModelIndex docIndex(const KTextEditor::Document *) const;
    QModelIndex widgetIndex(QWidget *) const;
    bool isDir(const QModelIndex &i) const;
    bool isWidgetDir(const QModelIndex &i) const;
    void setSourceModel(QAbstractItemModel *model) override;
    KTextEditor::Document *docFromIndex(const QModelIndex &index);
    QList<KTextEditor::Document *> docTreeFromIndex(const QModelIndex &index);

protected:
    bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override;
    bool lessThan(const QModelIndex &left, const QModelIndex &right) const override;
};
