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kcategorizedsortfilterproxymodel.h
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1 /*
2  * This file is part of the KDE project
3  * Copyright (C) 2007 Rafael Fernández López <ereslibre@kde.org>
4  * Copyright (C) 2007 John Tapsell <tapsell@kde.org>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef KCATEGORIZEDSORTFILTERPROXYMODEL_H
23 #define KCATEGORIZEDSORTFILTERPROXYMODEL_H
24 
25 #include <QtGui/QSortFilterProxyModel>
26 
27 #include <kdeui_export.h>
28 
29 class QItemSelection;
30 
31 
45 class KDEUI_EXPORT KCategorizedSortFilterProxyModel
46  : public QSortFilterProxyModel
47 {
48 public:
49  enum AdditionalRoles {
50  // Note: use printf "0x%08X\n" $(($RANDOM*$RANDOM))
51  // to define additional roles.
52  CategoryDisplayRole = 0x17CE990A,
53 
54  CategorySortRole = 0x27857E60
55 
56 
57 
58 
59 
60  };
61 
62  KCategorizedSortFilterProxyModel(QObject *parent = 0);
63  virtual ~KCategorizedSortFilterProxyModel();
64 
69  virtual void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
70 
74  bool isCategorizedModel() const;
75 
81  void setCategorizedModel(bool categorizedModel);
82 
86  int sortColumn() const;
87 
91  Qt::SortOrder sortOrder() const;
92 
100  void setSortCategoriesByNaturalComparison(bool sortCategoriesByNaturalComparison);
101 
105  bool sortCategoriesByNaturalComparison() const;
106 
114 #ifndef KDE_NO_DEPRECATED
115  KDE_DEPRECATED static int naturalCompare(const QString &a, const QString &b);
116 #endif
117 
118 protected:
132  virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
133 
140  virtual bool subSortLessThan(const QModelIndex &left, const QModelIndex &right) const;
141 
177  virtual int compareCategories(const QModelIndex &left, const QModelIndex &right) const;
178 
179 private:
180  class Private;
181  Private *const d;
182 };
183 
184 
185 #endif // KCATEGORIZEDSORTFILTERPROXYMODEL_H
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