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 /*
     Copyright (c) 2006 Frans Englich <frans.englich@telia.com>
 
     This file is part of the KDE project
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or(at your option) any later version.
 
     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 KXQTS_TreeSortFilter_H
 #define KXQTS_TreeSortFilter_H
 
 #include <QSortFilterProxyModel>
 
 /**
   * @short A sort & filter model for hierarchical item models.
   *
   * The current feature is that, when sorting, numbers are treated as
   * a whole instead of on a character-per-character basis. For example, "myFile-10" is sorted
   * after "myFile-9".
   *
   * @ingroup KXQTS
   * @author Frans Englich <frans.englich@telia.com>
   */
 class TreeSortFilter : public QSortFilterProxyModel
 {
 public:
     /**
       * Creates a TreeSortFilter.
       *
       * @param parent the parent. Must not be @c null.
       */
     explicit TreeSortFilter(QObject *parent);
 protected:
 
     /**
       * Compares @p left and @p right. They are treated as QStrings.
       */
     virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
 
     virtual bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const;
 
 private:
     inline bool numericLessThan(const QString &l, const QString &r) const;
 };
 
 #endif