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/*
Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>
Copyright (C) 2006 by Dominic Battre <dominic@battre.de>
Copyright (C) 2006 by Martin Pool <mbp@canonical.com>
Separated from Dolphin by Nick Shaforostoff <shafff@ukr.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KDIRSORTFILTERPROXYMODEL_H
#define KDIRSORTFILTERPROXYMODEL_H
#include <QtCore/QFileInfo>
#include <kcategorizedsortfilterproxymodel.h>
#include <kfile_export.h>
/**
* @brief Acts as proxy model for KDirModel to sort and filter
* KFileItems.
*
* A natural sorting is done. This means that items like:
* - item_10.png
* - item_1.png
* - item_2.png
*
* are sorted like
* - item_1.png
* - item_2.png
* - item_10.png
*
* Don't use it with non-KDirModel derivatives.
*
* @author Dominic Battre, Martin Pool and Peter Penz
*/
class KFILE_EXPORT KDirSortFilterProxyModel
: public KCategorizedSortFilterProxyModel
{
Q_OBJECT
public:
KDirSortFilterProxyModel(QObject* parent = 0);
virtual ~KDirSortFilterProxyModel();
/** Reimplemented from QAbstractItemModel. Returns true for directories. */
virtual bool hasChildren(const QModelIndex& parent = QModelIndex()) const;
/**
* Reimplemented from QAbstractItemModel.
* Returns true for 'empty' directories so they can be populated later.
*/
virtual bool canFetchMore(const QModelIndex& parent) const;
/**
* Returns the permissions in "points". This is useful for sorting by
* permissions.
*/
static int pointsForPermissions(const QFileInfo &info);
/**
* Choose if files and folders are sorted separately (with folders first) or not.
* @since 4.3
*/
void setSortFoldersFirst(bool foldersFirst);
/**
* Returns if files and folders are sorted separately (with folders first) or not.
* @since 4.3
*/
bool sortFoldersFirst() const;
protected:
/**
* Reimplemented from KCategorizedSortFilterProxyModel.
*/
virtual bool subSortLessThan(const QModelIndex& left,
const QModelIndex& right) const;
private:
Q_PRIVATE_SLOT(d, void slotNaturalSortingChanged())
private:
class KDirSortFilterProxyModelPrivate;
KDirSortFilterProxyModelPrivate* const d;
};
#endif
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