#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