1    package model; 
2     
3    import java.util.function.Consumer; 
4     
5    class Button extends MenuItem { 
6     
7        Consumer<Button> action; 
8        String menuText; 
9        int id; 
10       boolean enabled = true; 
11    
12    
13       Button(int id, String text, Consumer<Button> action) { 
14           this.id = id; 
15           this.menuText = text; 
16           this.action = action; 
17       } 
18    
19       void render() { 
20           System.out.println(id + ". " + menuText); 
21       } 
22    
23       void setAction(Consumer<Button> action) { 
24           this.action = action; 
25       } 
26    
27       void press() { 
28           if (enabled && action != null) { 
29               action.accept(this); 
30           } 
31       } 
32    
33       boolean match(int id) { 
34           return this.id == id; 
35       } 
36    
37       boolean isEnabled() { 
38           return enabled; 
39       } 
40    
41       void enable() { 
42           enabled = true; 
43       } 
44       void disable() { 
45           enabled = false; 
46       } 
47   } 
48