File indexing completed on 2024-05-12 05:09:52 

0001 /***************************************************************************
0002     Copyright (C) 2008-2009 Robby Stephenson <robby@periapsis.org>
0003  ***************************************************************************/
0004 
0005 /***************************************************************************
0006  *                                                                         *
0007  *   This program is free software; you can redistribute it and/or         *
0008  *   modify it under the terms of the GNU General Public License as        *
0009  *   published by the Free Software Foundation; either version 2 of        *
0010  *   the License or (at your option) version 3 or any later version        *
0011  *   accepted by the membership of KDE e.V. (or its successor approved     *
0012  *   by the membership of KDE e.V.), which shall act as a proxy            *
0013  *   defined in Section 14 of version 3 of the license.                    *
0014  *                                                                         *
0015  *   This program is distributed in the hope that it will be useful,       *
0016  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0017  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0018  *   GNU General Public License for more details.                          *
0019  *                                                                         *
0020  *   You should have received a copy of the GNU General Public License     *
0021  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
0022  *                                                                         *
0023  ***************************************************************************/
0024 
0025 #ifndef TELLICO_FILTERMODEL_H
0026 #define TELLICO_FILTERMODEL_H
0027 
0028 #include "../datavectors.h"
0029 
0030 #include <QAbstractItemModel>
0031 
0032 namespace Tellico {
0033 
0034 /**
0035  * @author Robby Stephenson
0036  */
0037 class FilterModel : public QAbstractItemModel {
0038 Q_OBJECT
0039 
0040 public:
0041   FilterModel(QObject* parent);
0042   virtual ~FilterModel();
0043 
0044   virtual int rowCount(const QModelIndex& parent = QModelIndex()) const Q_DECL_OVERRIDE;
0045   virtual int columnCount(const QModelIndex& parent = QModelIndex()) const Q_DECL_OVERRIDE;
0046   virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
0047   virtual bool setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role=Qt::EditRole) Q_DECL_OVERRIDE;
0048   virtual QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
0049   virtual QModelIndex index(int row, int column=0, const QModelIndex& parent = QModelIndex()) const Q_DECL_OVERRIDE;
0050   virtual QModelIndex parent(const QModelIndex& index) const Q_DECL_OVERRIDE;
0051 
0052   void clear();
0053   void addFilters(const FilterList& filters);
0054   QModelIndex addFilter(FilterPtr filter);
0055   void removeFilter(FilterPtr filter);
0056 
0057   FilterPtr filter(const QModelIndex& index) const;
0058   Data::EntryPtr entry(const QModelIndex& index) const;
0059   void invalidate(const QModelIndex& index);
0060   bool indexContainsEntry(const QModelIndex& parent, Data::EntryPtr entry) const;
0061 
0062 private:
0063   class Node;
0064   void populateFilterNode(Node* node, const FilterPtr filter) const;
0065 
0066   FilterList m_filters;
0067   QString m_header;
0068   Node* m_rootNode;
0069   bool m_beingInvalidated;
0070 };
0071 
0072 } // end namespace
0073 #endif