File indexing completed on 2024-05-12 04:35:03

 /* This file is part of the TikZKit project.
  *
  * Copyright (C) 2013-2015 Dominik Haumann <dhaumann@kde.org>
  *
  * This library is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library General Public License as published
  * by the Free Software Foundation, either version 2 of the License, or
  * (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, see
  * <http://www.gnu.org/licenses/>.
  */
 
 #include "UndoSetNodePos.h"
 #include "Document.h"
 #include "Node.h"
 
 namespace tikz {
 namespace core {
 
 UndoSetNodePos::UndoSetNodePos(Document * doc)
     : UndoItem("Move Node", doc)
     , m_undoPos(doc)
     , m_redoPos(doc)
 {
 }
 
 UndoSetNodePos::UndoSetNodePos(Node * node,
                                const MetaPos & newPos,
                                Document * doc)
     : UndoItem("Move Node", doc)
     , m_nodeUid(node->uid())
     , m_undoPos(node->metaPos())
     , m_redoPos(newPos)
 {
 }
 
 UndoSetNodePos::~UndoSetNodePos()
 {
 }
 
 void UndoSetNodePos::undo()
 {
     auto node = m_nodeUid.entity<Node>();
     Q_ASSERT(node);
 
     node->setMetaPos(m_undoPos);
 }
 
 void UndoSetNodePos::redo()
 {
     auto node = m_nodeUid.entity<Node>();
     Q_ASSERT(node);
     node->setMetaPos(m_redoPos);
 }
 
 bool UndoSetNodePos::mergeWith(const UndoItem * command)
 {
     // only merge when command is of correct type
     auto other = static_cast<const UndoSetNodePos*>(command);
     if (m_nodeUid != other->m_nodeUid) {
         return false;
     }
 
     m_redoPos = other->m_redoPos;
     return true;
 }
 
 void UndoSetNodePos::loadData(const QJsonObject & json)
 {
     m_nodeUid = Uid(json["uid"].toString(), document());
     m_redoPos = MetaPos(json["pos"].toString(), document());
 }
 
 QJsonObject UndoSetNodePos::saveData() const
 {
     QJsonObject json;
     json["type"] = "node-set-pos";
     json["uid"] = m_nodeUid.toString();
     json["pos"] = m_redoPos.toString();
     return json;
 }
 
 }
 }
 
 // kate: indent-width 4; replace-tabs on;