Yurttas/PL/OOL/Java/F/05/02/02/07/Menu04.java

 1/**
 2 *  Copyright(C) 1998
 3 *  All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
 4 *
 5 *  Permission to use, copy, modify, and distribute this
 6 *  software and its documentation for EDUCATIONAL purposes
 7 *  and without fee is hereby granted provided that this
 8 *  copyright notice appears in all copies.
 9 *
10 *  @date   : January 1, 1998.
11 *  @author : Salih Yurttas.
12 */
13
14
15import java.awt.*;
16
17import java.awt.event.*;
18
19public class Menu04 extends Frame
20		    implements ActionListener {
21
22  private String[] sortLabel = {"BubbleSort",
23                                "InsertionSort",
24                                "SelectionSort",
25                                "QuickSort"};
26  private int nSort = sortLabel.length;
27
28  private String[] searchLabel = {"LinearSearch",
29                                  "BinarySearch"};
30  private int nSearch = searchLabel.length;
31
32  private String[] menuLabel = {"Sort",
33                                "Search"};
34  private int nMenu = menuLabel.length;
35
36  private Menu[] m = new Menu[nMenu];
37
38  public Menu04() {
39    super("Menu Example - 04");
40    MenuBar mb = new MenuBar();
41
42    for(int i=0; i<nMenu; i++) {
43      m[i] = new Menu(menuLabel[i]);
44    }
45
46    for(int i=0; i<nSort; i++) {
47      m[0].add(sortLabel[i]);
48    }
49
50    for(int i=0; i<nSearch; i++) {
51      m[1].add(searchLabel[i]);
52    }
53
54    // Add listener for menu
55    for(int i=0; i<nMenu; i++) {
56      m[i].addActionListener(this); // Add ActionListener to menu
57      mb.add(m[i]);                 // Add menu to menu bar
58    }
59
60    // Set menu bar on frame.
61    setMenuBar(mb);
62
63    setSize(320, 160);
64    show();
65  }
66
67  // Action handler for menu
68
69  public void actionPerformed(ActionEvent e) {
70    String arg = e.getActionCommand();
71
72    for(int i=0; i<nSort; i++)
73      if (arg.equals(sortLabel[i])) System.out.println(arg);
74
75    for(int i=0; i<nSearch; i++)
76      if (arg.equals(searchLabel[i])) System.out.println(arg);
77
78    repaint();
79  }
80
81  static public void main(String[] args) {
82    new Menu04();
83  }
84
85}