File indexing completed on 2024-04-28 05:08:25

0001 /***************************************************************************
0002     Copyright (C) 2005-2009 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_OBSERVER_H
0026 #define TELLICO_OBSERVER_H
0027 
0028 #include "datavectors.h"
0029 
0030 namespace Tellico {
0031   class Filter;
0032 
0033 /**
0034  * @author Robby Stephenson
0035  */
0036 class Observer {
0037 
0038 public:
0039   Observer() {}
0040   virtual ~Observer() {}
0041 
0042   virtual void    addBorrower(Data::BorrowerPtr) {}
0043   virtual void modifyBorrower(Data::BorrowerPtr) {}
0044   virtual void removeBorrower(Data::BorrowerPtr) {}
0045 
0046   virtual void    addEntries(Data::EntryList) {}
0047   virtual void modifyEntries(Data::EntryList) {}
0048   virtual void removeEntries(Data::EntryList) {}
0049 
0050   virtual void    addField(Data::CollPtr, Data::FieldPtr) {}
0051   // coll, oldfield, newfield
0052   virtual void modifyField(Data::CollPtr, Data::FieldPtr, Data::FieldPtr) {}
0053   virtual void removeField(Data::CollPtr, Data::FieldPtr) {}
0054 
0055   virtual void    addFilter(FilterPtr) {}
0056   virtual void modifyFilter(FilterPtr) {}
0057   virtual void removeFilter(FilterPtr) {}
0058 
0059 private:
0060   Q_DISABLE_COPY(Observer)
0061 };
0062 
0063 }
0064 
0065 #endif