1 import objectdraw.FilledRect;
 2 import objectdraw.FramedRect;
 3 import objectdraw.Location;
 4 import objectdraw.DrawingCanvas;
 5 import java.awt.Color;
 6 
 7 public class Elevator{
 8   
 9    private FilledRect inside;
10    private FramedRect insideFrame;
11    private FilledRect leftDoor;
12    private FilledRect rightDoor;
13    private FramedRect leftDoorFrame;
14    private FramedRect rightDoorFrame;
15 
16    private int levelOn;
17    private final double levelIncrement;
18 
19 
20    public Elevator(Location loc, double pixelsBetweenLevels, DrawingCanvas canvas)
21    {
22       levelIncrement = pixelsBetweenLevels;
23       inside = new FilledRect(loc, 20, 30, canvas);
24       inside.setColor(Color.blue);
25       insideFrame = new FramedRect(loc, 20, 30, canvas);
26    
27       leftDoor = new FilledRect(loc, 10, 30, canvas);
28       rightDoor = new FilledRect(loc.getX()+10, loc.getY(), 10, 30, canvas);
29       leftDoorFrame = new FramedRect(loc, 10, 30, canvas);
30       rightDoorFrame = new FramedRect(loc.getX()+10, loc.getY(), 10, 30, canvas);
31       leftDoor.setColor(Color.gray);
32       rightDoor.setColor(Color.gray);
33    
34       levelOn = 1;
35    }
36 
37    public void openDoors()
38    {
39       leftDoor.hide();
40       rightDoor.hide();
41       leftDoorFrame.hide();
42       rightDoorFrame.hide();
43    }
44 
45    public void closeDoors()
46    {
47       leftDoor.show();
48       rightDoor.show();
49       leftDoorFrame.show();
50       rightDoorFrame.show();
51    }
52 
53    public void moveToLevel(int level)
54    {
55       closeDoors();
56       double dy = (levelOn - level) * levelIncrement;
57       move(0, dy);
58       levelOn = level;
59    }
60    
61    private void move(double dx, double dy)
62    {
63       inside.move(dx, dy);
64       insideFrame.move(dx, dy);
65       leftDoor.move(dx, dy);
66       rightDoor.move(dx, dy);
67       leftDoorFrame.move(dx, dy);
68       rightDoorFrame.move(dx, dy);
69    }
70 
71    public int level()
72    {
73       return levelOn;
74    }
75    
76    public String getDirection(int fromLevel, int toLevel)
77    {
78       String direction = "Idle";
79       if(fromLevel - toLevel < 0){
80          direction = "Going Up";
81       }
82       else if(fromLevel - toLevel > 0){
83          direction = "Going Down";
84       }
85       else{
86          direction = "Idle";
87       }
88       return direction;
89    }
90 }
91