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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2015 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __SCORE_ELEMENT_H__
#define __SCORE_ELEMENT_H__
#include "property.h"
namespace Ms {
class Score;
class Xml;
class ScoreElement;
//---------------------------------------------------------
// LinkedElements
//---------------------------------------------------------
class LinkedElements : public QList<ScoreElement*> {
int _lid; // unique id for every linked list
public:
LinkedElements(Score*);
LinkedElements(Score*, int id);
void setLid(Score*, int val);
int lid() const { return _lid; }
};
//---------------------------------------------------------
// ScoreElement
//---------------------------------------------------------
class ScoreElement {
protected:
Score* _score;
LinkedElements* _links = 0;
public:
ScoreElement(Score* s) : _score(s) {}
ScoreElement(const ScoreElement& se) { _score = se._score; }
Score* score() const { return _score; }
virtual void setScore(Score* s) { _score = s; }
virtual QVariant getProperty(P_ID) const = 0;
virtual bool setProperty(P_ID, const QVariant&) = 0;
virtual QVariant propertyDefault(P_ID) const { return QVariant(); }
virtual void resetProperty(P_ID id);
virtual PropertyStyle propertyStyle(P_ID) const { return PropertyStyle::NOSTYLE; }
void undoChangeProperty(P_ID, const QVariant&);
void undoPushProperty(P_ID);
void writeProperty(Xml& xml, P_ID id) const;
QList<ScoreElement*> linkList() const;
void linkTo(ScoreElement*);
void unlink();
virtual void undoUnlink();
int lid() const { return _links ? _links->lid() : 0; }
const LinkedElements* links() const { return _links; }
void setLinks(LinkedElements* le) { _links = le; }
};
}
#endif
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