deleteqgraphicsitemcommand.h

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.
    
    QElectroTech 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.
    
    QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DELETEQGRAPHICSITEMCOMMAND_H
#define DELETEQGRAPHICSITEMCOMMAND_H

#include <QUndoCommand>
#include "diagramcontent.h"

class Diagram;
class ElementTextItemGroup;
class Terminal;

class DeleteQGraphicsItemCommand : public QUndoCommand
{
    public:
        DeleteQGraphicsItemCommand(Diagram *diagram, const DiagramContent &content, QUndoCommand * parent = nullptr);
        ~DeleteQGraphicsItemCommand() override;
        
    private:
        DeleteQGraphicsItemCommand(const DeleteQGraphicsItemCommand &);
        
        void setPotentialsOfRemovedElements();
        Terminal *terminalInSamePotential(Terminal *terminal, Conductor *conductor_to_exclude);

    public:
        void undo() override;
        void redo() override;
        
        // attributes
    private:
        DiagramContent m_removed_contents;
        Diagram *m_diagram;
        QHash <Element *, QList<Element *> > m_link_hash; 
        QHash <DynamicElementTextItem *, Element *> m_elmt_text_hash; 
        QHash <DynamicElementTextItem *, ElementTextItemGroup *> m_grp_texts_hash; 
        QList <QPair<Terminal *, Terminal *>> m_connected_terminals;
};

#endif // DELETEQGRAPHICSITEMCOMMAND_H