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#ifndef COMMANDS_H

#define COMMANDS_H

#include <QUndoCommand>

#include "document.h"

class AddShapeCommand : public QUndoCommand

{

public:

    AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent = 0);

    void undo();

    void redo();

private:

    Document *m_doc;

    Shape m_shape;

    QString m_shapeName;

};

class RemoveShapeCommand : public QUndoCommand

{

public:

    RemoveShapeCommand(Document *doc, const QString &shapeName, QUndoCommand *parent = 0);

    void undo();

    void redo();

private:

    Document *m_doc;

    Shape m_shape;

    QString m_shapeName;

};

class SetShapeColorCommand : public QUndoCommand

{

public:

    SetShapeColorCommand(Document *doc, const QString &shapeName, const QColor &color,

                            QUndoCommand *parent = 0);

    void undo();

    void redo();

    bool mergeWith(const QUndoCommand *command);

    int id() const;

private:

    Document *m_doc;

    QString m_shapeName;

    QColor m_oldColor;

    QColor m_newColor;

};

class SetShapeRectCommand : public QUndoCommand

{

public:

    SetShapeRectCommand(Document *doc, const QString &shapeName, const QRect &rect,

                            QUndoCommand *parent = 0);

    void undo();

    void redo();

    bool mergeWith(const QUndoCommand *command);

    int id() const;

private:

    Document *m_doc;

    QString m_shapeName;

    QRect m_oldRect;

    QRect m_newRect;

};

#endif // COMMANDS_H