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, keyboard, 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...", KeyEvent.VK_A);
  30                 file.addSeparator();
  31                 addItem(file, "Exit", KeyEvent.VK_Q, ActionEvent.CTRL_MASK);
  32
  33                 edit = createMenu("Edit", KeyEvent.VK_E);
  34                 add(edit);
  35
  36                 addItem(edit, "Copy", KeyEvent.VK_C, ActionEvent.CTRL_MASK);
  37                 addItem(edit, "Cut", KeyEvent.VK_X, ActionEvent.CTRL_MASK);
  38                 addItem(edit, "Paste", KeyEvent.VK_V, ActionEvent.CTRL_MASK);
  39                 edit.addSeparator();
  40                 addItem(edit, "Select all", KeyEvent.VK_E, ActionEvent.CTRL_MASK);
  41                 addItem(edit, "Invert selection", KeyEvent.VK_I, ActionEvent.CTRL_MASK);
  42                 edit.addSeparator();
  43                 addItem(edit, "Preferences...", KeyEvent.VK_P, ActionEvent.CTRL_MASK);
  44
  45                 playback = createMenu("Playback", KeyEvent.VK_P);
  46                 add(playback);
  47
  48                 addItem(playback, "Play", "F5", KeyEvent.VK_P);
  49                 addItem(playback, "Pause", "F7", KeyEvent.VK_A);
  50                 addItem(playback, "Stop", "F6", KeyEvent.VK_S);
  51                 playback.addSeparator();
  52                 addItem(playback, "Set position...", KeyEvent.VK_E);
  53                 playback.addSeparator();
  54                 keyboard = createMenu("Set keyboard octave", KeyEvent.VK_K);
  55                 edit.add(keyboard);
  56                 for (int i = 9; i >= 0; i--) addItem(keyboard, "Octave " + i, i + 48);
  57
  58                 music = createMenu("Music", KeyEvent.VK_M);
  59                 add(music);
  60
  61                 addItem(music, "Add track...", KeyEvent.VK_A, ActionEvent.CTRL_MASK);
  62                 addItem(music, "Delete track...", KeyEvent.VK_D, ActionEvent.CTRL_MASK);
  63                 addItem(music, "Copy track...", KeyEvent.VK_Y, ActionEvent.CTRL_MASK);
  64                 addItem(music, "Move track...", KeyEvent.VK_M, ActionEvent.CTRL_MASK);
  65                 music.addSeparator();
  66                 addItem(music, "Insert measure...", KeyEvent.VK_I);
  67                 addItem(music, "Delete measure...", KeyEvent.VK_E);
  68                 music.addSeparator();
  69                 addItem(music, "Set time signature...", KeyEvent.VK_S);
  70                 addItem(music, "Set tempo...", KeyEvent.VK_M);
  71                 addItem(music, "Scale velocity...", KeyEvent.VK_V);
  72                 addItem(music, "Transpose...", KeyEvent.VK_T);
  73
  74                 help = createMenu("Help", KeyEvent.VK_L);
  75                 add(help);
  76
  77                 addItem(help, "User manual", "F1", KeyEvent.VK_M);
  78                 help.addSeparator();
  79                 addItem(help, "About", KeyEvent.VK_A);
  80         }
  81         /**
  82          * Creats a menu in the menubar.
  83          * @param name          The name of the menu.
  84          * @param mnemnic       The shortcut-key to access the menu.
  85          * @return menu         The menu created.
  86          */
  87         private JMenu createMenu(String name, int mnemonic) {
  88                 JMenu menu = new JMenu(name);
  89                 menu.setMnemonic(mnemonic);
  90                 return menu;
  91         }
  92
  93         /**
  94          * Creats a menuitem in the menu.
  95          * @param menu          The menu where to add the menuitem.
  96          * @param name          The name of the menuitem.
  97          * @return item         The menuitem created.
  98          */
  99         private JMenuItem addItem(JMenu menu, String name, int mnemonic) {
 100                 JMenuItem item = new JMenuItem(name);
 101                 item.addActionListener(this);
 102                 menu.add(item);
 103                 return item;
 104         }
 105
 106         /**
 107          * Creats a menuitem in the menu.
 108          * @param menu          The menu to where to add the menuitem.
 109          * @param name          The name of the menuitem.
 110          * @param key           The keystroke to access this menuitem.
 111          * @return item         The menuitem created.
 112          */
 113         private JMenuItem addItem(JMenu menu, String name, String key, int mnemonic) {
 114                 JMenuItem item = new JMenuItem(name);
 115                 item.setAccelerator(KeyStroke.getKeyStroke(key));
 116                 item.setMnemonic(mnemonic);
 117                 item.addActionListener(this);
 118                 menu.add(item);
 119                 return item;
 120         }
 121
 122         /**
 123          * Creats a menuitem in the menu.
 124          * @param menu          The menu to where to add the menuitem.
 125          * @param name          The name of the menuitem.
 126          * @param key           The keystroke to access this menuitem.
 127          * @param mask          The keyboard mask.
 128          * @return item         The menuitem created.
 129          */
 130         private JMenuItem addItem(JMenu menu, String name, int key, int mask) {
 131                 JMenuItem item = new JMenuItem(name);
 132                 item.setAccelerator(KeyStroke.getKeyStroke(key, mask));
 133                 item.setMnemonic(key);
 134                 item.addActionListener(this);
 135                 menu.add(item);
 136                 return item;
 137         }
 138
 139         private boolean isMidiFile(File f) {
 140                 if(f != null) {
 141                         String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase().trim();
 142                         if (extension.equals("mid")) return true;
 143                 }
 144                 return false;
 145         }
 146         /**
 147         * Gets the users command of takes and properiate action
 148         * @param e      The action perfomed.
 149         */
 150         public void actionPerformed(ActionEvent e) {
 151                 String command = e.getActionCommand();
 152                 Sequence seq;
 153
 154                 if(command == "New") {
 155                         if (!Moosique.promptOnUnsavedChanges()) Moosique.clearSequence();
 156                 } else if (command == "Open...") {
 157                         // Shows a file chooser. If shown previously, starts in the current directory.
 158                         if (directory != null) {
 159                                 chooser = new JFileChooser(directory);
 160                         } else {
 161                                 chooser = new JFileChooser();
 162                         }
 163                         chooser.addChoosableFileFilter(new MidiFileFilter());
 164                         int returnVal = chooser.showOpenDialog(this);
 165
 166                         // Stores the current directory and loads the selected file.
 167                         File file = chooser.getSelectedFile();
 168                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
 169                                 directory = chooser.getSelectedFile().getParentFile();
 170                                 if (!Moosique.promptOnUnsavedChanges())
 171                                         Moosique.load(chooser.getSelectedFile().getAbsolutePath());
 172                         }
 173                 } else if (command == "Save") {
 174                         if (!Moosique.save()) showSaveAsDialog();
 175                 } else if (command == "Save as...") {
 176                         showSaveAsDialog();
 177                 } else if (command == "Exit") {
 178                         Moosique.quit();
 179                 } else if (command == "Copy") {
 180
 181                 } else if (command == "Cut") {
 182
 183                 } else if (command == "Paste") {
 184
 185                 } else if (command == "Select all") {
 186
 187                 } else if (command == "Invert selection") {
 188
 189                 } else if (command == "Preferences...") {
 190
 191                 } else if (command == "Play") {
 192                         if (!Moosique.getSequencer().isRunning()) Moosique.play();
 193                 } else if (command == "Pause") {
 194                         if (Moosique.getSequencer().isRunning()) Moosique.pause();
 195                 } else if (command == "Stop") {
 196                         Moosique.stop();
 197                 } else if (command == "Set position...") {
 198                         MooDialog newDialog = new MooDialog(MooDialog.SET_POSITION);
 199                         // Moosique.setPosition(???); Räkna ut från msr, beats, ticks, time sig.
 200                 } else if (command.startsWith("Octave")) {
 201                         MooKeyboard.setOctave(Integer.parseInt(command.substring(7,8)));
 202                 } else if (command == "Add track...") {
 203                         MooDialog newDialog = new MooDialog(MooDialog.ADD_TRACK);
 204                         Moosique.getSequence().createTrack();
 205                 } else if (command == "Delete track...") {
 206
 207                         MooDialog newDialog = new MooDialog(MooDialog.DELETE_TRACK);
 208
 209                         /* Let the user select a track from a list.
 210                         seq = Moosique.getSequence();
 211                         seq.deleteTrack(seq.getTracks()[NUMBER]);
 212                         */
 213                 } else if (command == "Copy track...") {
 214                         MooDialog newDialog = new MooDialog(MooDialog.COPY_TRACK);
 215                 } else if (command == "Move track...") {
 216                         MooDialog newDialog = new MooDialog(MooDialog.MOVE_TRACK);
 217                 } else if (command == "Insert measure...") {
 218                         MooDialog newDialog = new MooDialog(MooDialog.INSERT_MEASURE);
 219                 } else if (command == "Delete measure...") {
 220                         MooDialog newDialog = new MooDialog(MooDialog.DELETE_MEASURE);
 221                 } else if (command == "Set time signature...") {
 222
 223                 } else if (command == "Set tempo...") {
 224                         MooDialog newDialog = new MooDialog(MooDialog.SET_TEMPO);
 225
 226                 } else if (command == "Scale velocity...") {
 227
 228                 } else if (command == "Transpose...") {
 229
 230                 } else if (command == "User manual") {
 231                         MooDialog manual = new MooDialog(MooDialog.MANUAL);
 232                 } else if (command == "About") {
 233                         JOptionPane.showMessageDialog(null,
 234                                 "Moosique\nversion 1.0\n\nby\n\nRoland Andersson\nMichael Andreen\nBjörn Lanneskog\nEinar Pehrson",
 235                                 "About Moosique",
 236                                 JOptionPane.INFORMATION_MESSAGE,
 237                                 new ImageIcon(Moosique.getGUI().logo));
 238                 }
 239         }
 240
 241         private void showSaveAsDialog() {
 242                         // Shows a file chooser. If shown previously, starts in the current directory.
 243                         if (directory != null) {
 244                                 chooser = new JFileChooser(directory);
 245                         } else {
 246                                 chooser = new JFileChooser();
 247                         }
 248                         chooser.addChoosableFileFilter(new MidiFileFilter());
 249                         int returnVal = chooser.showSaveDialog(this);
 250
 251                         // Stores the current directory and loads the selected file.
 252                         File file = chooser.getSelectedFile();
 253                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
 254                                 directory = file.getParentFile();
 255                                 Moosique.saveAs(file.getAbsolutePath());
 256                         }
 257         }
 258
 259         class MidiFileFilter extends javax.swing.filechooser.FileFilter {
 260                 public boolean accept(File f) {
 261                         if(f != null) {
 262                                 if (f.isDirectory() || isMidiFile(f)) return true;
 263                         }
 264                         return false;
 265                 }
 266
 267                 /**
 268                  * gets the description of the filetype
 269                  * @return "Midifiles   the only filetyp compatibel with the program
 270                  */
 271                 public String getDescription() {
 272                         return "MIDI files";
 273                 }
 274         }
 275
 276
 277 }