context.h

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#ifndef CONTEXT_H_
#define CONTEXT_H_

#include <QString>

class CASheet;
class CAMusElement;

class CAContext {
public:
        CAContext( const QString name, CASheet *s );
        virtual ~CAContext();
        virtual CAContext* clone( CASheet* ) = 0;

        enum CAContextType {
                Staff,
                FunctionMarkContext,
                LyricsContext
        };

        const QString name() { return _name; }
        void setName(const QString name) { _name = name; }

        CAContextType contextType() { return _contextType; }

        CASheet *sheet() { return _sheet; }
        void setSheet(CASheet *sheet) { _sheet = sheet; }

        virtual void clear() = 0;
        virtual CAMusElement *next(CAMusElement *elt) = 0;
        virtual CAMusElement *previous(CAMusElement *elt) = 0;
        virtual bool remove( CAMusElement *elt ) = 0;

protected:
        void setContextType( CAContextType t ) { _contextType = t; }

        CASheet *_sheet;
        QString _name;
        CAContextType _contextType;
};
#endif /* CONTEXT_H_ */