File indexing completed on 2024-09-08 10:59:26

 /***************************************************************************
  *   Copyright (C) 2018 by Renaud Guezennec                                *
  *   https://rolisteam.org/contact                   *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program 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 General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #include "undoCmd/changesizevmapitem.h"
 
 #include "controller/item_controllers/visualitemcontroller.h"
 #include <QDebug>
 
 ChangeSizeVmapItemCommand::ChangeSizeVmapItemCommand(const QList<vmap::VisualItemController*>& list,
                                                      VectorialMapController::Method method, const QPointF& mousePos,
                                                      QUndoCommand* parent)
     : QUndoCommand(parent)
 {
     m_data.reserve(static_cast<std::size_t>(list.size()));
     QRectF ref;
     if(method == VectorialMapController::Bigger)
     {
         auto it= std::max_element(std::begin(list), std::end(list),
                                   [](vmap::VisualItemController* a, vmap::VisualItemController* b)
                                   {
                                       auto areaA= a->rect().height() * a->rect().width();
                                       auto areaB= b->rect().height() * b->rect().width();
                                       return areaA < areaB;
                                   });
         ref= (*it)->rect();
     }
     else if(method == VectorialMapController::Smaller)
     {
         auto it= std::min_element(std::begin(list), std::end(list),
                                   [](vmap::VisualItemController* a, vmap::VisualItemController* b)
                                   {
                                       auto areaA= a->rect().height() * a->rect().width();
                                       auto areaB= b->rect().height() * b->rect().width();
                                       return areaA < areaB;
                                   });
         ref= (*it)->rect();
     }
     else if(method == VectorialMapController::Average)
     {
         qreal averageHeight= 0.0;
         qreal averageWidth= 0.0;
         std::for_each(std::begin(list), std::end(list),
                       [&averageHeight, &averageWidth](vmap::VisualItemController* a)
                       {
                           averageHeight+= a->rect().height();
                           averageWidth+= a->rect().width();
                       });
         averageWidth/= list.size();
         averageHeight/= list.size();
         ref= QRectF(0.0, 0.0, averageWidth, averageHeight);
     }
     else if(method == VectorialMapController::UnderMouse)
     {
         auto it= std::find_if(std::begin(list), std::end(list),
                               [mousePos](vmap::VisualItemController* a)
                               {
                                   auto rect= a->rect();
                                   rect.translate(a->pos());
                                   return rect.contains(mousePos);
                               });
 
         if(it == std::end(list))
             qCritical() << "ChangeSizeVmapItemCommand - no item under the mouse";
         else
             ref= (*it)->rect();
     }
 
     if(!ref.isEmpty())
     {
         std::transform(std::begin(list), std::end(list), std::back_inserter(m_data),
                        [ref](vmap::VisualItemController* a) -> ChangeSizeData
                        {
                            ChangeSizeData data;
                            data.m_ctrl= a;
                            auto rect= a->rect();
                            data.m_move= QPointF(ref.width() - rect.width(), ref.height() - rect.height());
                            data.m_resetMove= QPointF(-data.m_move.x(), -data.m_move.y());
                            return data;
                        });
     }
 
     setText(QObject::tr("Change size of %1 item(s)").arg(list.size()));
 }
 
 void ChangeSizeVmapItemCommand::undo()
 {
     qInfo() << QStringLiteral("undo command ChangeSizeVmapItemCommand: %1 ").arg(text());
     std::for_each(std::begin(m_data), std::end(m_data),
                   [](const ChangeSizeData& data) { data.m_ctrl->setCorner(data.m_resetMove, 2); });
 }
 
 void ChangeSizeVmapItemCommand::redo()
 {
     qInfo() << QStringLiteral("redo command ChangeSizeVmapItemCommand: %1 ").arg(text());
     std::for_each(std::begin(m_data), std::end(m_data),
                   [](const ChangeSizeData& data) { data.m_ctrl->setCorner(data.m_move, 2); });
 }