/* This file is part of the KDE project
   SPDX-FileCopyrightText: 2009 Jeremias Epperlein <jeeree@web.de>

   SPDX-License-Identifier: LGPL-2.0-or-later
*/

#ifndef FORMULADATA_H
#define FORMULADATA_H

#include "FormulaElement.h"
#include "koformula_export.h"
#include <QObject>
#include <kundo2command.h>
#include "KoFormulaShape.h"
#include "KoShapeSavingContext.h"

class FormulaCommand;

/**
 * This is a QObject wrapper around a formulaElement, which allows to communicate 
 * between tool, cursor and shape
 */
class KOFORMULA_EXPORT FormulaData : public QObject {
Q_OBJECT
public:
    explicit FormulaData(FormulaElement *element);
    
    ~FormulaData() override;

    /// @return formulaElement that represents the data
    FormulaElement* formulaElement() const;
    
    ///emit a dataChanged signal
    void notifyDataChange(FormulaCommand* command, bool undo);
    void setFormulaElement ( FormulaElement* element);
    
Q_SIGNALS:
    void dataChanged(FormulaCommand* element, bool undo);
    
public Q_SLOTS:
    ///only for debugging
    void writeElementTree();

    void saveMathML( KoShapeSavingContext& context);
    
private:
    FormulaElement* m_element;
};

#endif // FORMULADATA_H
