File indexing completed on 2024-05-12 05:40:25

 /***************************************************************************
  *  Copyright (C) 2019 by Renaud Guezennec                                 *
  *   http://www.rolisteam.org/contact                                      *
  *                                                                         *
  *   This software 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 "mindmap/controller/selectioncontroller.h"
 
 #include "mindmap/command/dragnodecommand.h"
 #include "mindmap/data/mindnode.h"
 namespace mindmap
 {
 
 SelectionController::SelectionController(QObject* parent) : QObject(parent) {}
 
 void SelectionController::setEnabled(bool enable)
 {
     if(enable == m_enabled)
         return;
     m_enabled= enable;
     emit enabledChanged();
 }
 
 void SelectionController::setUndoStack(QUndoStack* stack)
 {
     m_undoStack= stack;
 }
 
 QString SelectionController::lastSelected() const
 {
     return m_lastSelectedId;
 }
 
 bool SelectionController::enabled() const
 {
     return m_enabled;
 }
 
 const std::vector<mindmap::MindItem*>& SelectionController::selectedNodes() const
 {
     return m_selection;
 }
 
 void SelectionController::addToSelection(mindmap::MindItem* node)
 {
     if(node == nullptr)
         return;
     auto selection= hasSelection();
     m_selection.push_back(node);
     node->setSelected(true);
     if(node->type() == mindmap::MindItem::NodeType || node->type() == mindmap::MindItem::PackageType)
     {
         auto mindNode= dynamic_cast<PositionedItem*>(node);
         connect(mindNode, &PositionedItem::itemDragged, this, &SelectionController::movingNode);
     }
     if(selection != hasSelection())
         emit hasSelectionChanged();
 }
 
 void SelectionController::removeFromSelection(mindmap::MindItem* node)
 {
     auto selection= hasSelection();
     node->setSelected(false);
     if(node->type() == mindmap::MindItem::NodeType || node->type() == mindmap::MindItem::PackageType)
     {
         auto mindNode= dynamic_cast<PositionedItem*>(node);
         disconnect(mindNode, &PositionedItem::itemDragged, this, &SelectionController::movingNode);
     }
     m_selection.erase(std::find(m_selection.begin(), m_selection.end(), node));
     if(selection != hasSelection())
         emit hasSelectionChanged();
 }
 
 void SelectionController::clearSelection()
 {
     std::for_each(m_selection.begin(), m_selection.end(), [this](mindmap::MindItem* node) {
         node->setSelected(false);
         if(node->type() == mindmap::MindItem::NodeType || node->type() == mindmap::MindItem::PackageType)
         {
             auto mindNode= dynamic_cast<PositionedItem*>(node);
             disconnect(mindNode, &PositionedItem::itemDragged, this, &SelectionController::movingNode);
         }
     });
     m_selection.clear();
     setLastSelectedId({});
     emit hasSelectionChanged();
 }
 
 void SelectionController::movingNode(const QPointF& motion)
 {
     std::vector<QPointer<PositionedItem>> vec;
     std::transform(m_selection.begin(), m_selection.end(), std::back_inserter(vec), [](mindmap::MindItem* node) {
         return QPointer<PositionedItem>(dynamic_cast<PositionedItem*>(node));
     });
     auto cmd= new DragNodeCommand(motion, vec);
 
     m_undoStack->push(cmd);
 }
 
 bool SelectionController::hasSelection() const
 {
     return !m_selection.empty();
 }
 
 void SelectionController::setLastSelectedId(const QString& id)
 {
     if(id == m_lastSelectedId)
         return;
     m_lastSelectedId= id;
     emit lastSelectedChanged();
 }
 } // namespace mindmap