diff -r f0fe7c36ec5c -r 43268373032d xlink.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xlink.cpp	Wed Jun 09 13:14:08 2010 +0000
@@ -0,0 +1,192 @@
+#include <QDebug>
+
+#include "xlink.h"
+
+#include "vymmodel.h"
+#include "xlinkitem.h"
+#include "xlinkobj.h"
+
+/////////////////////////////////////////////////////////////////
+// Link
+/////////////////////////////////////////////////////////////////
+
+Link::Link (VymModel *m)
+{
+	//qDebug() << "Const Link () this="<<this;
+	init();
+	model=m;
+}
+
+Link::~Link ()
+{
+	//qDebug()<<"* Destr Link begin this="<<this<<"  bLI="<<beginLinkItem<<"  eLI="<<endLinkItem;
+	//deactivate();
+	//qDebug()<<"* Destr Link end   this="<<this;
+}
+
+void Link::init () 
+{
+	xlo=NULL;
+	beginBranch=NULL;
+	endBranch=NULL;
+	xLinkState=Link::undefinedXLink;
+
+	color=QColor (180,180,180);
+	width=1;
+}
+
+void Link::setBeginBranch (BranchItem *bi)
+{
+	if (bi) 
+	{
+		xLinkState=initXLink;
+		beginBranch=bi;
+	}	
+}
+
+BranchItem* Link::getBeginBranch ()
+{
+	return beginBranch;
+}
+
+void Link::setEndBranch (BranchItem *bi)
+{
+	if (bi) 
+	{
+		xLinkState=initXLink;
+		endBranch=bi;
+	}		
+}
+
+BranchItem* Link::getEndBranch()
+{
+	return endBranch;
+}
+
+void Link::setEndPoint (QPointF p)
+{
+	if (xlo) xlo->setEnd (p);
+}
+
+void Link::setBeginLinkItem (XLinkItem *li)
+{
+	if (li) 
+	{
+		xLinkState=initXLink;
+		beginLinkItem=li;
+	}	
+}
+
+XLinkItem* Link::getBeginLinkItem ()
+{
+	return beginLinkItem;
+}
+
+void Link::setEndLinkItem (XLinkItem *li)
+{
+	if (li) 
+	{
+		xLinkState=initXLink;
+		endLinkItem=li;
+	}		
+}
+
+XLinkItem* Link::getEndLinkItem()
+{
+	return endLinkItem;
+}
+
+void Link::setWidth (int w)
+{
+	width=w;
+	if (xlo) xlo->updateXLink();
+}
+
+int Link::getWidth()
+{
+	return width;
+}
+
+void Link::setColor(QColor c)
+{
+	color=c;
+	if (xlo) xlo->updateXLink();
+}
+
+QColor Link::getColor()
+{
+	return color;
+}
+
+bool Link::activate ()	
+{
+	if (beginBranch && endBranch)
+	{
+		
+		if (beginBranch==endBranch) return false;
+		xLinkState=activeXLink;
+
+		model->updateActions();
+		return true;
+	} else
+		return false;
+}
+
+void Link::deactivate ()	
+{
+	// Remove pointers from XLinkItem to Link and
+	// delete XLinkObj
+
+	xLinkState=deleteXLink;
+	if (beginLinkItem) beginLinkItem->setLink (NULL);
+	if (endLinkItem) endLinkItem->setLink (NULL);
+	if (xlo)
+	{
+		delete (xlo);  
+		xlo=NULL;
+	}
+}
+
+void Link::removeXLinkItem (XLinkItem *xli)
+{
+	if (xli==beginLinkItem) beginLinkItem=NULL;
+	if (xli==endLinkItem) endLinkItem=NULL;
+}
+
+void Link::updateLink()
+{
+	if(xlo ) xlo->updateXLink();
+}
+
+QString Link::saveToDir ()
+{
+	QString s="";
+	if (beginBranch && endBranch && xLinkState==activeXLink)
+	{
+		if (beginBranch==endBranch )
+			qWarning ("Link::saveToDir  beginBranch==endBranch");
+		else
+		{
+			QString colAttr=attribut ("color",color.name());
+			QString widAttr=attribut ("width",QString().setNum(width,10));
+			QString begSelAttr=attribut ("beginID",model->getSelectString(beginBranch));
+			QString endSelAttr=attribut ("endID",  model->getSelectString(endBranch));
+			s=singleElement ("xlink", colAttr +widAttr +begSelAttr +endSelAttr);
+
+		}
+	}
+	return s;
+}
+
+XLinkObj* Link::getXLinkObj()
+{
+	return xlo;
+}
+
+XLinkObj* Link::createMapObj(QGraphicsScene *scene)  
+{
+	if (!xlo) xlo=new XLinkObj (scene,this);  
+	return xlo;
+}
+
+