1    package graphics.graph; 
2     
3    import java.awt.*; 
4     
5    public class NodeDrawer 
6            /** 
7             *  The responsibility of this class is to 
8             *  draw the nodes onto a Graphics interface. 
9             */ { 
10       private PickBean pb = PickBean.getPickBean(); 
11       private ColorPanel cp = GraphFactory.getColorPanel(); 
12       private Nodes nodes = GraphFactory.getNodes(); 
13    
14       private Color getColor(Node n) { 
15           return (n == pb.getPick()) 
16                   ? cp.getSelectColor() : (n.isFixed() 
17                   ? cp.getFixedColor() : cp.getNodeColor()); 
18       } 
19    
20       private void paintNode(Graphics g, Node n) { 
21           g.setColor(getColor(n)); 
22           n.draw(g); 
23       } 
24    
25       public void drawNodes(ImageUtil ui) { 
26           for (int i = 0; i < nodes.getNumberOfNodes(); i++) 
27               paintNode(ui.getOffGraphics(), nodes.getNode(i)); 
28       } 
29   }