File indexing completed on 2024-05-12 05:09:24

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 #include "filtercommand.h"
0026 #include "../document.h"
0027 #include "../collection.h"
0028 #include "../controller.h"
0029 #include "../tellico_debug.h"
0030 
0031 #include <KLocalizedString>
0032 
0033 using Tellico::Command::FilterCommand;
0034 
0035 FilterCommand::FilterCommand(Mode mode_, Tellico::FilterPtr activeFilter_, Tellico::FilterPtr oldFilter_/*=0*/)
0036     : QUndoCommand()
0037     , m_mode(mode_)
0038     , m_activeFilter(activeFilter_)
0039     , m_oldFilter(oldFilter_)
0040 {
0041   if(!m_activeFilter) {
0042     myDebug() << "null active filter pointer";
0043   }
0044 #ifndef NDEBUG
0045 // just some sanity checking
0046   if(m_mode == FilterAdd && m_oldFilter) {
0047     myDebug() << "adding field, but pointers are wrong";
0048   } else if(m_mode == FilterModify && !m_oldFilter) {
0049     myDebug() << "modifying field, but pointers are wrong";
0050   } else if(m_mode == FilterRemove && m_oldFilter) {
0051     myDebug() << "removing field, but pointers are wrong";
0052   }
0053 #endif
0054   switch(m_mode) {
0055     case FilterAdd:
0056       setText(i18n("Add Filter"));
0057       break;
0058     case FilterModify:
0059       setText(i18n("Modify Filter"));
0060       break;
0061     case FilterRemove:
0062       setText(i18n("Delete Filter"));
0063       break;
0064   }
0065 }
0066 
0067 void FilterCommand::redo() {
0068   if(!m_activeFilter) {
0069     return;
0070   }
0071 
0072   switch(m_mode) {
0073     case FilterAdd:
0074       Data::Document::self()->collection()->addFilter(m_activeFilter);
0075       Controller::self()->addedFilter(m_activeFilter);
0076       break;
0077 
0078     case FilterModify:
0079       Data::Document::self()->collection()->addFilter(m_activeFilter);
0080       Controller::self()->addedFilter(m_activeFilter);
0081       Data::Document::self()->collection()->removeFilter(m_oldFilter);
0082       Controller::self()->removedFilter(m_oldFilter);
0083       break;
0084 
0085     case FilterRemove:
0086       Data::Document::self()->collection()->removeFilter(m_activeFilter);
0087       Controller::self()->removedFilter(m_activeFilter);
0088       break;
0089   }
0090 }
0091 
0092 void FilterCommand::undo() {
0093   if(!m_activeFilter) {
0094     return;
0095   }
0096 
0097   switch(m_mode) {
0098     case FilterAdd:
0099       Data::Document::self()->collection()->removeFilter(m_activeFilter);
0100       Controller::self()->removedFilter(m_activeFilter);
0101       break;
0102 
0103     case FilterModify:
0104       Data::Document::self()->collection()->removeFilter(m_activeFilter);
0105       Controller::self()->removedFilter(m_activeFilter);
0106       Data::Document::self()->collection()->addFilter(m_oldFilter);
0107       Controller::self()->addedFilter(m_oldFilter);
0108       break;
0109 
0110     case FilterRemove:
0111       Data::Document::self()->collection()->addFilter(m_activeFilter);
0112       Controller::self()->addedFilter(m_activeFilter);
0113       break;
0114   }
0115 }