static private ArrayList stylelist = new ArrayList();

	public void doHighlight(){
		ClassGraph cg = ClassGraph.fromString(cd);
		try{
			Traversal trv = Traversal.compute(Strategy.fromString(strategy) ,cg);
			Highlighting(cg, trv);
		}
		catch(Exception e){
			
		}
	}
	
	public void Highlighting(ClassGraph cg, Traversal trv){
		Collection c = cg.getNodes();
		Iterator c_i = c.iterator();
		while(c_i.hasNext()){
			Object node = c_i.next();
			st.append(node.toString());
			
			if(is_construction(node, cg)){
				st.append(" = ");
			}
			else{
				st.append(" : ");
			}
			
			try{
				Collection oe = cg.getOutgoingEdges(node);
				Iterator oe_i = oe.iterator();
				int i =0;
				while(oe_i.hasNext()){
					EdgeI edge = (EdgeI) oe_i.next();
					st.append(edge.toString()+ " ");
					if(trv.getEdgeSet(edge) != null){
						StyleRange sr = new StyleRange();
						sr.start = st.getText().length() - edge.toString().length() - 1;
						sr.length = edge.toString().length();
						sr.foreground = Display.getCurrent().getSystemColor(SWT.COLOR_RED);
						stylelist.add(sr);
					}
				}
			}
			catch(Exception e){
			}
			
			st.append(".\n");
		}

		StyleRange[] srs = new StyleRange[stylelist.size()];
		stylelist.toArray(srs);
		st.setStyleRanges(srs);
	}
	
	public boolean is_construction(Object node, ClassGraph cg){
		try{
			Collection c = cg.getOutgoingEdges(node);
			Iterator c_i = c.iterator();
			while(c_i.hasNext()){
				EdgeI edge = (EdgeI) c_i.next();
				if(!edge.isConstructionEdge()) return false;
			}
		}
		catch(Exception e){
			return false;
		}
		return true;
	}