#ifndef XLINKITEM_H

 #define XLINKITEM_H

 class BranchItem;

 class XLinkObj;

 class QGraphicsScene;

 #include "mapitem.h"

 /*! \brief xlinks are used to draw arbitrary connections between branches (BranchObj) in the map. */

 /////////////////////////////////////////////////////////////////////////////

 class XLinkItem:public MapItem {

 public:

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

 	XLinkItem (const QList<QVariant> &data, TreeItem *parent=NULL);

     virtual ~XLinkItem ();

     virtual void init ();

 	void setBegin (BranchItem*);

 	BranchItem* getBegin();

 	void setEnd   (BranchItem*);

 	void setEnd   (QPointF);

 	BranchItem* getEnd();

 	void setColor(QColor);

 	QColor getColor();

 	void setWidth (int);

 	int getWidth ();

 	bool activate ();			//! Creates a 2nd XLink (without a XLinkObj attached) 

 	bool isBegin();		//! true, if this is master xLink, which may have an XLinkObj attached

 	void updateXLink();

 	virtual void updateVisibility();	// FIXME-3 not really needed atm...

 	BranchItem* getPartnerBranch ();

 	BranchItem* getOtherBranch (TreeItem *ti);

 	XLinkItem *getPartnerXLink();	//! Partner XLink

 	QString saveToDir ();

 	virtual XLinkObj* createMapObj(QGraphicsScene *scene);

 private:

 	XLinkState xLinkState;	// init during drawing or active

 	QColor color;

 	int width;

 	BranchItem *beginBranch;

 	BranchItem *endBranch;

 	XLinkItem *partnerXLink;

 	bool isBeginXLink;

 };

 #endif