MooMenu.java

   1 import javax.sound.midi.*;
   2 import javax.swing.*;
   3 import javax.swing.filechooser.*;
   4 import java.awt.event.*;
   5 import java.io.*;
   6 import java.awt.*;
   7
   8 /**
   9  * Moosiques GUI representing a menubar, menus and menuitems
  10  *
  11  * @author Björn Lanneskog
  12  */
  13 public class MooMenu extends JMenuBar implements ActionListener {
  14
  15         private JMenu file, edit, playback, music, help;
  16         private JFileChooser chooser;
  17         private File directory;
  18
  19         /**
  20          * Creates the menu bar.
  21          */
  22         public MooMenu() {
  23                 file = createMenu("File", KeyEvent.VK_F);
  24                 add(file);
  25
  26                 addItem(file, "New", KeyEvent.VK_N, ActionEvent.CTRL_MASK);
  27                 addItem(file, "Open...", KeyEvent.VK_O, ActionEvent.CTRL_MASK);
  28                 addItem(file, "Save", KeyEvent.VK_S, ActionEvent.CTRL_MASK);
  29                 addItem(file, "Save as...");
  30                 addItem(file, "Exit", KeyEvent.VK_Q, ActionEvent.CTRL_MASK);
  31
  32                 edit = createMenu("Edit", KeyEvent.VK_E);
  33                 add(edit);
  34
  35                 addItem(edit, "Copy", KeyEvent.VK_C, ActionEvent.CTRL_MASK);
  36                 addItem(edit, "Cut", KeyEvent.VK_X, ActionEvent.CTRL_MASK);
  37                 addItem(edit, "Paste", KeyEvent.VK_V, ActionEvent.CTRL_MASK);
  38                 addItem(edit, "Select all", KeyEvent.VK_E, ActionEvent.CTRL_MASK);
  39                 addItem(edit, "Invert selection", KeyEvent.VK_I, ActionEvent.CTRL_MASK);
  40                 addItem(edit, "Preferences...", KeyEvent.VK_P, ActionEvent.CTRL_MASK);
  41
  42                 playback = createMenu("Playback", KeyEvent.VK_P);
  43                 add(playback);
  44
  45                 addItem(playback, "Play", "F5");
  46                 addItem(playback, "Pause", "F7");
  47                 addItem(playback, "Stop", "F6");
  48                 addItem(playback, "Jump...");
  49
  50                 music = createMenu("Music", KeyEvent.VK_M);
  51                 add(music);
  52
  53                 addItem(music, "Add track...", KeyEvent.VK_A, ActionEvent.CTRL_MASK);
  54                 addItem(music, "Delete track...", KeyEvent.VK_D, ActionEvent.CTRL_MASK);
  55                 addItem(music, "Copy track...", KeyEvent.VK_Y, ActionEvent.CTRL_MASK);
  56                 addItem(music, "Move track...", KeyEvent.VK_M, ActionEvent.CTRL_MASK);
  57                 addItem(music, "Insert measure...");
  58                 addItem(music, "Delete measure...");
  59                 addItem(music, "Set time signature...");
  60                 addItem(music, "Set tempo...");
  61                 addItem(music, "Scale velocity...");
  62                 addItem(music, "Transpose...");
  63
  64                 help = createMenu("Help", KeyEvent.VK_L);
  65                 add(help);
  66
  67                 addItem(help, "Contents", "F1");
  68                 addItem(help, "Getting started");
  69                 addItem(help, "About");
  70         }
  71
  72         private JMenu createMenu(String name, int mnemonic) {
  73                 JMenu menu = new JMenu(name);
  74                 menu.setMnemonic(mnemonic);
  75                 return menu;
  76         }
  77
  78         private JMenuItem addItem(JMenu menu, String name) {
  79                 JMenuItem item = new JMenuItem(name);
  80                 item.addActionListener(this);
  81                 menu.add(item);
  82                 return item;
  83         }
  84
  85         private JMenuItem addItem(JMenu menu, String name, String key) {
  86                 JMenuItem item = new JMenuItem(name);
  87                 item.setAccelerator(KeyStroke.getKeyStroke(key));
  88                 item.addActionListener(this);
  89                 menu.add(item);
  90                 return item;
  91         }
  92
  93         private JMenuItem addItem(JMenu menu, String name, int key, int mask) {
  94                 JMenuItem item = new JMenuItem(name);
  95                 item.setAccelerator(KeyStroke.getKeyStroke(key, mask));
  96                 item.addActionListener(this);
  97                 menu.add(item);
  98                 return item;
  99         }
 100
 101         private boolean isMidiFile(File f) {
 102                 if(f != null) {
 103                         String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase().trim();
 104                         if (extension.equals("mid")) return true;
 105                 }
 106                 return false;
 107         }
 108
 109         public void actionPerformed(ActionEvent e) {
 110                 String command = e.getActionCommand();
 111                 Sequence seq;
 112
 113                 if(command == "New") {
 114                         Moosique.clearSequence();
 115                 } else if (command == "Open...") {
 116                         // Shows a file chooser. If shown previously, starts in the current directory.
 117                         if (directory != null) {
 118                                 chooser = new JFileChooser(directory);
 119                         } else {
 120                                 chooser = new JFileChooser();
 121                         }
 122                         chooser.addChoosableFileFilter(new MidiFileFilter());
 123                         int returnVal = chooser.showOpenDialog(this);
 124
 125                         // Stores the current directory and loads the selected file.
 126                         File file = chooser.getSelectedFile();
 127                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
 128                                 directory = chooser.getSelectedFile().getParentFile();
 129                                 Moosique.load(chooser.getSelectedFile().getAbsolutePath());
 130                         }
 131                 } else if (command == "Save") {
 132                         Moosique.save();
 133                 } else if (command == "Save as...") {
 134                         // Shows a file chooser. If shown previously, starts in the current directory.
 135                         if (directory != null) {
 136                                 chooser = new JFileChooser(directory);
 137                         } else {
 138                                 chooser = new JFileChooser();
 139                         }
 140                         chooser.addChoosableFileFilter(new MidiFileFilter());
 141                         int returnVal = chooser.showSaveDialog(this);
 142
 143                         // Stores the current directory and loads the selected file.
 144                         File file = chooser.getSelectedFile();
 145                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
 146                                 directory = file.getParentFile();
 147                                 Moosique.saveAs(file.getAbsolutePath());
 148                         }
 149                 } else if (command == "Exit") {
 150                         Moosique.quit();
 151                 } else if (command == "Copy") {
 152
 153                 } else if (command == "Cut") {
 154
 155                 } else if (command == "Paste") {
 156
 157                 } else if (command == "Select all") {
 158
 159                 } else if (command == "Invert selection") {
 160
 161                 } else if (command == "Preferences...") {
 162
 163                 } else if (command == "Play") {
 164                         if (!Moosique.getSequencer().isRunning()) Moosique.play();
 165                 } else if (command == "Pause") {
 166                         if (Moosique.getSequencer().isRunning()) Moosique.pause();
 167                 } else if (command == "Stop") {
 168                         Moosique.stop();
 169                 } else if (command == "Jump...") {
 170                         MooDialog what = new MooDialog(MooDialog.JUMP);
 171                         // Moosique.setPosition(???); Räkna ut från msr, beats, ticks, time sig.
 172                 } else if (command == "Add track...") {
 173                         MooDialog what = new MooDialog(MooDialog.ADD_TRACK);
 174                         Moosique.getSequence().createTrack();
 175                 } else if (command == "Delete track...") {
 176
 177                         MooDialog what = new MooDialog(MooDialog.DELETE_TRACK);
 178
 179                         /* Let the user select a track from a list.
 180                         seq = Moosique.getSequence();
 181                         seq.deleteTrack(seq.getTracks()[NUMBER]);
 182                         */
 183                 } else if (command == "Copy track...") {
 184
 185                         MooDialog what = new MooDialog(MooDialog.COPY_TRACK);
 186
 187                 } else if (command == "Move track...") {
 188
 189                         MooDialog what = new MooDialog(MooDialog.MOVE_TRACK);
 190
 191                 } else if (command == "Insert measure...") {
 192
 193                 } else if (command == "Delete measure...") {
 194
 195                 } else if (command == "Set time signature...") {
 196
 197                 } else if (command == "Set tempo...") {
 198
 199                 } else if (command == "Scale velocity...") {
 200
 201                 } else if (command == "Transpose...") {
 202
 203                 } else if (command == "Contents") {
 204                         // contents to be filled in
 205                         JOptionPane.showMessageDialog(this, "här kommer contents komma");
 206
 207                 } else if (command == "Getting started") {
 208                         // getting started to be filled in
 209                         JOptionPane.showMessageDialog(null, "här kommer getting started komma");
 210
 211                 } else if (command == "About") {
 212                         // about to be filled in
 213                         JOptionPane.showMessageDialog(null, "här kommer about att komma");
 214                 }
 215         }
 216
 217         class MidiFileFilter extends javax.swing.filechooser.FileFilter {
 218                 public boolean accept(File f) {
 219                         if(f != null) {
 220                                 if (f.isDirectory() || isMidiFile(f)) return true;
 221                         }
 222                         return false;
 223                 }
 224
 225                 /*
 226                  * gets the description of the filetype
 227                  * @return "Midifiles   the only filetyp compatibel with the program
 228                  */
 229                 public String getDescription() {
 230                         return "MIDI files";
 231                 }
 232         }
 233
 234
 235 }