MooMenu.java

   1 import javax.swing.*;
   2 import javax.swing.filechooser.*;
   3 import java.awt.event.*;
   4 import java.io.*;
   5
   6 public class MooMenu extends JMenuBar implements ActionListener {
   7
   8         private JMenu file, edit, playback, track, help;
   9
  10         public MooMenu() {
  11                 file = makeMenu("File", KeyEvent.VK_F);
  12                 add(file);
  13
  14                 file.add(makeAccItem(file, "New", KeyEvent.VK_N));
  15                 file.add(makeAccItem(file, "Open...", KeyEvent.VK_O));
  16                 file.add(makeAccItem(file, "Save", KeyEvent.VK_S));
  17                 file.add(makeItem(file, "Save as..."));
  18                 file.add(makeAccItem(file, "Exit", KeyEvent.VK_Q));
  19
  20                 edit = makeMenu("Edit", KeyEvent.VK_E);
  21                 add(edit);
  22
  23                 edit.add(makeAccItem(edit, "Copy", KeyEvent.VK_C));
  24                 edit.add(makeAccItem(edit, "Cut", KeyEvent.VK_X));
  25                 edit.add(makeAccItem(edit, "Paste", KeyEvent.VK_V));
  26                 edit.add(makeAccItem(edit, "Select all", KeyEvent.VK_E));
  27                 edit.add(makeAccItem(edit, "Invert selection", KeyEvent.VK_I));
  28
  29                 playback = makeMenu("Playback", KeyEvent.VK_P);
  30                 add(playback);
  31
  32                 playback.add(makeAccItem(playback, "Play", KeyEvent.VK_SPACE));
  33                 playback.add(makeAccItem(playback, "Pause", KeyEvent.VK_SPACE));
  34                 playback.add(makeItem(playback, "Stop"));
  35                 playback.add(makeItem(playback, "Jump..."));
  36
  37                 track = makeMenu("Track", KeyEvent.VK_T);
  38                 add(track);
  39
  40                 track.add(makeAccItem(track, "Add", KeyEvent.VK_A));
  41                 track.add(makeAccItem(track, "Delete", KeyEvent.VK_D));
  42                 track.add(makeAccItem(track, "Copy track", KeyEvent.VK_Y));
  43                 track.add(makeAccItem(track, "Move", KeyEvent.VK_M));
  44
  45                 help = makeMenu("Help", KeyEvent.VK_P);
  46                 add(help);
  47
  48                 help.add(makeItem(help, "Contents"));
  49                 help.add(makeItem(help, "Getting started"));
  50                 help.add(makeItem(help, "About"));
  51         }
  52
  53         private JMenu makeMenu(String name, int mnemonic) {
  54                 JMenu menu = new JMenu(name);
  55                 menu.setMnemonic(mnemonic);
  56                 return menu;
  57         }
  58
  59         private JMenuItem makeItem(JMenu menu, String name) {
  60                 JMenuItem item = new JMenuItem(name);
  61                 item.addActionListener(this);
  62                 menu.add(item);
  63                 return item;
  64         }
  65
  66         private JMenuItem makeAccItem(JMenu menu, String name, int key) {
  67                 JMenuItem item = new JMenuItem(name);
  68                 item.setAccelerator(KeyStroke.getKeyStroke(key, ActionEvent.CTRL_MASK));
  69                 item.addActionListener(this);
  70                 menu.add(item);
  71                 return item;
  72         }
  73
  74         public void actionPerformed(ActionEvent e) {
  75                 String command = e.getActionCommand();
  76
  77                 if(command == "New") {
  78
  79                 } else if (command == "Open...") {
  80
  81                         JFileChooser chooser = new JFileChooser();
  82                         chooser.addChoosableFileFilter(new MidiFileFilter());
  83                         int returnVal = chooser.showOpenDialog(this);
  84                         if(returnVal == JFileChooser.APPROVE_OPTION) {
  85                         System.out.println("You chose to open this file: " +
  86                         chooser.getSelectedFile().getName());
  87                 }
  88
  89                 } else if (command == "Save") {
  90
  91                 } else if (command == "Save as...") {
  92
  93                         JFileChooser chooser = new JFileChooser();
  94                         chooser.addChoosableFileFilter(new MidiFileFilter());
  95                         int returnVal = chooser.showSaveDialog(this);
  96                         if(returnVal == JFileChooser.APPROVE_OPTION) {
  97                         System.out.println("You chose to open this file: " +
  98                         chooser.getSelectedFile().getName());
  99                         }
 100
 101                 } else if (command == "Exit") {
 102
 103                 } else if (command == "Copy") {
 104
 105                 } else if (command == "Cut") {
 106
 107                 } else if (command == "Paste") {
 108
 109                 } else if (command == "Select all") {
 110
 111                 } else if (command == "Invert selection") {
 112
 113                 } else if (command == "Play") {
 114                         JOptionPane.showMessageDialog(null, "playing");
 115
 116                 } else if (command == "Pause") {
 117
 118                 } else if (command == "Stop") {
 119
 120                 } else if (command == "Jump...") {
 121
 122                 } else if (command == "Add") {
 123
 124                 } else if (command == "Delete") {
 125
 126                 } else if (command == "Copy track") {
 127
 128                 } else if (command == "Move") {
 129
 130                 } else if (command == "Contents") {
 131                         // contents to be filled in
 132                         JOptionPane.showMessageDialog(this, "här kommer contents komma");
 133
 134                 } else if (command == "Getting started") {
 135                         // getting started to be filled in
 136                         JOptionPane.showMessageDialog(null, "här kommer getting started komma");
 137
 138                 } else if (command == "About") {
 139                         // about to be filled in
 140                         JOptionPane.showMessageDialog(null, "här kommer about att komma");
 141
 142                 }
 143         }
 144
 145         class MidiFileFilter extends javax.swing.filechooser.FileFilter {
 146                 public boolean accept(File f) {
 147                         if(f != null) {
 148                                 String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase();
 149                                 if (f.isDirectory() || extension == "mid") return true;
 150                         }
 151                         return false;
 152                 }
 153
 154                 public String getDescription() {
 155                         return "MIDI files";
 156                 }
 157         }
 158 }