GammaRay  2.0.0
 All Classes Namespaces Files Functions Variables Enumerations Enumerator Macros Pages
objecttypefilterproxymodel.h
Go to the documentation of this file.
1 /*
2  objecttypefilterproxymodel.h
3 
4  This file is part of GammaRay, the Qt application inspection and
5  manipulation tool.
6 
7  Copyright (C) 2010-2014 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
8  Author: Volker Krause <volker.krause@kdab.com>
9 
10  This program is free software; you can redistribute it and/or modify
11  it under the terms of the GNU General Public License as published by
12  the Free Software Foundation, either version 2 of the License, or
13  (at your option) any later version.
14 
15  This program is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  GNU General Public License for more details.
19 
20  You should have received a copy of the GNU General Public License
21  along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
34 #ifndef GAMMARAY_OBJECTTYPEFILTERPROXYMODEL_H
35 #define GAMMARAY_OBJECTTYPEFILTERPROXYMODEL_H
36 
37 #include "objectmodelbase.h"
38 
39 #include <QSortFilterProxyModel>
40 
41 namespace GammaRay {
42 
46 class ObjectFilterProxyModelBase : public QSortFilterProxyModel
47 {
48  public:
53  explicit ObjectFilterProxyModelBase(QObject *parent = 0) : QSortFilterProxyModel(parent)
54  {
55  setDynamicSortFilter(true);
56  }
57 
58  protected:
66  bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
67  {
68  const QModelIndex source_index = sourceModel()->index(source_row, 0, source_parent);
69  if (!source_index.isValid()) {
70  return false;
71  }
72 
73  QObject *obj = source_index.data(ObjectModel::ObjectRole).value<QObject*>();
74  Q_ASSERT(obj);
75  if (!filterAcceptsObject(obj)) {
76  return false;
77  }
78 
79  return QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent);
80  }
81 
87  virtual bool filterAcceptsObject(QObject *object) const = 0;
88 };
89 
93 template <typename T>
95 {
96  public:
101  explicit ObjectTypeFilterProxyModel(QObject *parent = 0)
103  {
104  }
105 
106  protected:
107  virtual bool filterAcceptsObject(QObject *object) const
108  {
109  return qobject_cast<T*>(object);
110  }
111 };
112 
113 }
114 
115 #endif // GAMMARAY_OBJECTTYPEFILTERPROXYMODEL_H

Klarälvdalens Datakonsult AB (KDAB)
"The Cross-Platform Experts"
http://www.kdab.com/
GammaRay
Qt-application inspection and manipulation tool
http://www.kdab.com/kdab-products/gammaray/