diff -r e44baadd4958 -r 72cc3873306a linkablemapobj.cpp
--- a/linkablemapobj.cpp	Thu Sep 01 15:35:18 2005 +0000
+++ b/linkablemapobj.cpp	Mon Sep 05 11:56:31 2005 +0000
@@ -91,6 +91,8 @@
     selbox->hide();
     selected=false;
 
+	hideLinkUnselected=false;
+
 	// initialize frame
 	frame = new FrameObj (canvas);
 	
@@ -258,6 +260,18 @@
 	return style;
 }
 
+void LinkableMapObj::setHideLinkUnselected(bool b)
+{
+	hideLinkUnselected=b;
+	setVisibility (visible);
+	updateLink();
+}
+
+bool LinkableMapObj::getHideLinkUnselected()
+{
+	return hideLinkUnselected;
+}
+
 void LinkableMapObj::setLinkPos(LinkPos lp)
 {
 	linkpos=lp;
@@ -302,7 +316,6 @@
 		default:
 			break;
 	} // switch (style)	
-	//FIXME updateLink();
 }
 
 QColor LinkableMapObj::getLinkColor()
@@ -333,32 +346,60 @@
 
 void LinkableMapObj::setVisibility (bool v)
 {
+	QCanvasLine* cl;
 	MapObj::setVisibility (v);
-	if (visible) 
+	bool visnow=visible;
+	if (hideLinkUnselected && !selected)
+		visnow=false;
+
+	if (visnow) 
 	{
 		bottomline->show();
-		// FIXME lines and segments should be done in LMO?
-		if (style==StyleLine && l) 
+		switch (style)
 		{
-			l->show();
-		} else
-		{
-			QCanvasLine* cl;
-			for (cl=segment.first(); cl; cl=segment.next() )
-				cl->show();
-		} 
+			case StyleLine:
+				if (l) l->show();
+				break;
+			case StyleParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->show();
+				break;	
+			case StylePolyLine:
+				if (p) p->show();
+				if (l) l->show();
+				break;
+			case StylePolyParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->show();
+				if (p) p->show();
+				break;
+			default:
+				break;
+		}
 	} else 
 	{
 		bottomline->hide();
-		if (style==StyleLine && l) 
+		switch (style)
 		{
-			l->hide();
-		} else
-		{
-			QCanvasLine* cl;
-			for (cl=segment.first(); cl; cl=segment.next() )
-				cl->hide();
-		} 
+			case StyleLine:
+				if (l) l->hide();
+				break;
+			case StyleParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->hide();
+				break;	
+			case StylePolyLine:
+				if (p) p->hide();
+				if (l) l->hide();
+				break;
+			case StylePolyParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->hide();
+				if (p) p->hide();
+				break;
+			default:
+				break;
+		}
 	}	
 }
 
@@ -681,6 +722,7 @@
 	setSelBox();
     selected=true;
     selbox->show();
+	setVisibility (visible);
 }
 
 
@@ -688,6 +730,7 @@
 {
     selected=false;
     selbox->hide();
+	setVisibility (visible);
 }
 
 void LinkableMapObj::parabel (QPointArray &ya, double p1x, double p1y, double p2x, double p2y)
@@ -719,3 +762,15 @@
 	}	
 }
 
+QString LinkableMapObj::getLinkAttr ()
+{
+	QString hideAttr;
+	if (hideLinkUnselected)
+		// Since this is currently the
+		// only attribut and it is switched off by default
+		// don't write <link>  at all if it is missing
+		return attribut ("hideLinkUnselected","true");
+	else
+		return "";
+	
+}