Yurttas/PL/OOL/Java/F/05/02/03/01/Food01.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 Food01 extends Frame
 20                    implements ActionListener,
 21                               ItemListener {
 22
 23  static public void main(String[] args) {
 24    Frame f = new Food01();
 25
 26    f.setSize(320,160);
 27    f.show();
 28  }
 29
 30  private static String[] menuLabels = {"Breakfast",
 31                                        "Dinner"};
 32  private static int nMenu = menuLabels.length;
 33
 34  private static Menu[] m;
 35  private static MenuBar mB;
 36
 37  private static String[] breakfastLabels = {"Pancakes",
 38                                             "Bagels",
 39                                             "Waffles",
 40                                             "Continental"};
 41  private static final int nBreakfast = breakfastLabels.length;
 42
 43  private static final String[] dinnerLabels = {"American",
 44                                                "Chineese",
 45                                                "French",
 46                                                "Italian",
 47                                                "Japaneese",
 48                                                "Korean",
 49                                                "Mexican",
 50                                                "Russian",
 51                                                "Turkish",
 52                                                "Vietnameese"};
 53  private static int nDinner = dinnerLabels.length;
 54
 55  public Food01() {
 56    super("myEatingPlace");
 57
 58    mB = new MenuBar();
 59
 60    m = new Menu[nMenu];
 61
 62    for(int i=0; i<nMenu; i++) {
 63      m[i] = new Menu(menuLabels[i]);
 64
 65      switch(i) {
 66        case 0: for(int j=0; j<nBreakfast; j++)
 67                  m[i].add(makeMenuItem(breakfastLabels[j]));
 68                break;
 69        case 1: for(int j=0; j<nDinner; j++)
 70                  m[i].add(makeMenuItem(dinnerLabels[j]));
 71      }
 72
 73      mB.add(m[i]);
 74    }
 75
 76    setMenuBar(mB);
 77  }
 78
 79  public void actionPerformed(final ActionEvent aE) {
 80    String arg = aE.getActionCommand();
 81
 82    for(int i=0; i<nBreakfast; i++)
 83      if(arg.equals(breakfastLabels[i])) System.out.println(arg);
 84
 85    for(int i=0; i<nDinner; i++)
 86      if(arg.equals(dinnerLabels[i])) System.out.println(arg);
 87
 88    repaint();
 89  }
 90
 91  public void itemStateChanged(final ItemEvent iE) {
 92    System.out.println("Choice is : " + iE.getItem());
 93  }
 94
 95  private MenuItem makeMenuItem(final String name) {
 96    MenuItem mI = new MenuItem(name);
 97    mI.addActionListener(this);
 98    return mI;
 99  }
100
101}