src/command/addlinkcommand.cpp

0001 /***************************************************************************
0002  *  Copyright (C) 2022 by Renaud Guezennec                               *
0003  *   http://www.rolisteam.org/contact                                      *
0004  *                                                                         *
0005  *   This software is free software; you can redistribute it and/or modify *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program is distributed in the hope that it will be useful,       *
0011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program; if not, write to the                         *
0017  *   Free Software Foundation, Inc.,                                       *
0018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
0019  ***************************************************************************/
0020 #include "addlinkcommand.h"
0021
0022 #include "data/linkcontroller.h"
0023 #include "model/minditemmodel.h"
0024
0025 AddLinkCommand::AddLinkCommand(MindItemModel* model, const QString& start, const QString& end)
0026     : m_model(model), m_startId(start), m_endId(end)
0027 {
0028 }
0029
0030 void AddLinkCommand::undo()
0031 {
0032     m_model->removeItem(m_model->item(m_linkId));
0033 }
0034
0035 void AddLinkCommand::redo()
0036 {
0037     auto start= dynamic_cast<PositionedItem*>(m_model->item(m_startId));
0038     auto end= dynamic_cast<PositionedItem*>(m_model->item(m_endId));
0039
0040     if(!start || !end)
0041         return;
0042
0043     auto link= new LinkController();
0044     link->setConstraint(false);
0045     link->setColor(false);
0046     link->setLineStyle(Qt::DashLine);
0047
0048     link->setStart(start);
0049     link->setEnd(end);
0050
0051     m_model->appendItem(link);
0052     m_linkId= link->id();
0053 }