#include <QGraphicsScene>

 #include "xlinkitem.h"

 #include "branchitem.h"

 #include "linkablemapobj.h"

 #include "vymmodel.h"

 #include "xlinkobj.h"

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

 // XLinkItem

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

 XLinkItem::XLinkItem (const QList<QVariant> &data, TreeItem *parent):MapItem (data,parent)

 {

 	//qDebug() << "Const XLinkItem () "<<this;

 	init();

 }

 XLinkItem::~XLinkItem ()

 {

 	//qDebug() << "Destr XLinkItem begin "<<this<<"  pI="<<parentItem<<"  link="<<link;

 	if (link)

 	{

 		// tell the model to remove the link later

 		// (and then remove partner link in VymModel::cleanupLinks)

 		model->deleteLink (link);

 		link->removeXLinkItem (this);

 		link->deactivate();

 	}	

 	//qDebug() << "Destr XLinkItem end"<<this;

 }

 void XLinkItem::init () 

 {

 	setType (XLink);

 	link=NULL;

 }

 void XLinkItem::setLink (Link *l)

 {

 	link=l;

 }

 Link* XLinkItem::getLink ()

 {

 	return link;

 }

 void XLinkItem::updateXLink()

 {

 	qDebug()<<"XLI::updateXLink";

 	if (link)

 		link->updateLink();

 }

 BranchItem* XLinkItem::getPartnerBranch()

 {

 	if (link && link->getBeginBranch() && link->getEndBranch())

 	{

 		if (parentItem==link->getBeginBranch())

 			return link->getEndBranch();

 		else	

 			return link->getBeginBranch();

 	}

 	return NULL;

 }