#ifndef LINK_H

#define LINK_H

#include <QColor>

#include "xmlobj.h"

class QPointF;

class QGraphicsScene;

class QString;

class BranchItem;

class LinkableMapObj;

class VymModel;

class XLinkItem;

class XLinkObj;

class Link:public XMLObj

{

public:

	enum XLinkState {undefinedXLink,initXLink,activeXLink,deleteXLink};	

	Link (VymModel *m);

    virtual ~Link();

    virtual void init ();

	void setBeginBranch (BranchItem*);

	BranchItem* getBeginBranch();

	void setEndBranch   (BranchItem*);

	void setEndPoint(QPointF);

	BranchItem* getEndBranch();

	void setBeginLinkItem (XLinkItem*);

	XLinkItem* getBeginLinkItem();

	void setEndLinkItem (XLinkItem*);

	XLinkItem* getEndLinkItem ();

	void setColor(QColor);

	QColor getColor();

	void setWidth (int);

	int getWidth ();

	bool activate ();			

	void deactivate ();			

	void removeXLinkItem (XLinkItem *xli);

	void updateLink();

	QString saveToDir ();

	XLinkObj* getXLinkObj();

	XLinkObj* createMapObj(QGraphicsScene *scene);

private:

	XLinkState xLinkState;	// init during drawing or active

	QColor color;

	int width;

	XLinkObj *xlo;

	VymModel *model;

	BranchItem *beginBranch;

	BranchItem *endBranch;

	XLinkItem *beginLinkItem;

	XLinkItem *endLinkItem;

};

#endif