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);
  27                 addItem(file, "Open...", KeyEvent.VK_O);
  28                 addItem(file, "Save", KeyEvent.VK_S);
  29                 addItem(file, "Save as...");
  30                 addItem(file, "Exit", KeyEvent.VK_Q);
  31
  32                 edit = createMenu("Edit", KeyEvent.VK_E);
  33                 add(edit);
  34
  35                 addItem(edit, "Copy", KeyEvent.VK_C);
  36                 addItem(edit, "Cut", KeyEvent.VK_X);
  37                 addItem(edit, "Paste", KeyEvent.VK_V);
  38                 addItem(edit, "Select all", KeyEvent.VK_E);
  39                 addItem(edit, "Invert selection", KeyEvent.VK_I);
  40                 addItem(edit, "Preferences...", KeyEvent.VK_P);
  41
  42                 playback = createMenu("Playback", KeyEvent.VK_P);
  43                 add(playback);
  44
  45                 addItem(playback, "Play", KeyEvent.VK_SPACE);
  46                 addItem(playback, "Pause");
  47                 addItem(playback, "Stop");
  48                 addItem(playback, "Jump...");
  49
  50                 music = createMenu("Music", KeyEvent.VK_M);
  51                 add(music);
  52
  53                 addItem(music, "Add track...", KeyEvent.VK_A);
  54                 addItem(music, "Delete track...", KeyEvent.VK_D);
  55                 addItem(music, "Copy track...", KeyEvent.VK_Y);
  56                 addItem(music, "Move track...", KeyEvent.VK_M);
  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");
  68                 addItem(help, "Getting started");
  69                 addItem(help, "About");
  70         }
  71
  72         /**
  73          * creates a menu for the menubar
  74          * @param name          the name of the menu
  75          * @param mnemonic      the shortcut to activate the menu
  76          * @return menu         the menu to be added to the menubar
  77          */
  78         private JMenu createMenu(String name, int mnemonic) {
  79                 JMenu menu = new JMenu(name);
  80                 menu.setMnemonic(mnemonic);
  81                 return menu;
  82         }
  83
  84         /**
  85          * Creates a menu item.
  86          * @param menu          the menu to which the item is being added to
  87          * @param name          the name of this menuitem
  88          * @return item         the item to add to the menu
  89          */
  90         private JMenuItem addItem(JMenu menu, String name) {
  91                 JMenuItem item = new JMenuItem(name);
  92                 item.addActionListener(this);
  93                 menu.add(item);
  94                 return item;
  95         }
  96
  97         /**
  98          * Creates a menu item with a keyboard accelerator.
  99          * @param menu          the menu to which the item is being added to
 100          * @param name          the name of this menuitem
 101          * @param key           the shortcut to activate the command
 102          * @return item         the item to add to the menu
 103          */
 104         private JMenuItem addItem(JMenu menu, String name, int key) {
 105                 JMenuItem item = new JMenuItem(name);
 106                 item.setAccelerator(KeyStroke.getKeyStroke(key, ActionEvent.CTRL_MASK));
 107                 item.addActionListener(this);
 108                 menu.add(item);
 109                 return item;
 110         }
 111
 112         /**
 113         * creates a JDialog popupmenu, containing diffrent choices
 114         * @param title          the title of the dialog
 115         * @return trackframe    the JDialog....ffaaaaaaaaaaaaaaaan!
 116         */
 117         //private JDialog makeDialog(String title){
 118         //
 119         //}
 120         /**
 121          * checks if the fileformat is compatible with our program
 122          * @param f     the file to check
 123          * @return true or false
 124          */
 125         private boolean isMidiFile(File f) {
 126                 if(f != null) {
 127                         String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase().trim();
 128                         if (extension.equals("mid")) return true;
 129                 }
 130                 return false;
 131         }
 132
 133         public void actionPerformed(ActionEvent e) {
 134                 String command = e.getActionCommand();
 135                 Sequence seq;
 136
 137                 if(command == "New") {
 138                         Moosique.clearSequence();
 139                 } else if (command == "Open...") {
 140                         // Shows a file chooser. If shown previously, starts in the current directory.
 141                         if (directory != null) {
 142                                 chooser = new JFileChooser(directory);
 143                         } else {
 144                                 chooser = new JFileChooser();
 145                         }
 146                         chooser.addChoosableFileFilter(new MidiFileFilter());
 147                         int returnVal = chooser.showOpenDialog(this);
 148
 149                         // Stores the current directory and loads the selected file.
 150                         File file = chooser.getSelectedFile();
 151                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
 152                                 directory = chooser.getSelectedFile().getParentFile();
 153                                 Moosique.load(chooser.getSelectedFile().getAbsolutePath());
 154                         }
 155                 } else if (command == "Save") {
 156                         Moosique.save();
 157                 } else if (command == "Save as...") {
 158                         // Shows a file chooser. If shown previously, starts in the current directory.
 159                         if (directory != null) {
 160                                 chooser = new JFileChooser(directory);
 161                         } else {
 162                                 chooser = new JFileChooser();
 163                         }
 164                         chooser.addChoosableFileFilter(new MidiFileFilter());
 165                         int returnVal = chooser.showSaveDialog(this);
 166
 167                         // Stores the current directory and loads the selected file.
 168                         File file = chooser.getSelectedFile();
 169                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
 170                                 directory = file.getParentFile();
 171                                 Moosique.saveAs(file.getAbsolutePath());
 172                         }
 173                 } else if (command == "Exit") {
 174                         Moosique.quit();
 175                 } else if (command == "Copy") {
 176
 177                 } else if (command == "Cut") {
 178
 179                 } else if (command == "Paste") {
 180
 181                 } else if (command == "Select all") {
 182
 183                 } else if (command == "Invert selection") {
 184
 185                 } else if (command == "Preferences...") {
 186
 187                 } else if (command == "Play") {
 188                         if (!Moosique.getSequencer().isRunning()) Moosique.play();
 189                 } else if (command == "Pause") {
 190                         if (Moosique.getSequencer().isRunning()) Moosique.pause();
 191                 } else if (command == "Stop") {
 192                         Moosique.stop();
 193                 } else if (command == "Jump...") {
 194
 195                 } else if (command == "Add track...") {
 196
 197                         MooDialog what = new MooDialog(MooDialog.ADD_TRACK);
 198
 199                         Moosique.getSequence().createTrack();
 200
 201                 } else if (command == "Delete track...") {
 202
 203                         MooDialog what = new MooDialog(MooDialog.DELETE_TRACK);
 204
 205                         /* Let the user select a track from a list.
 206                         seq = Moosique.getSequence();
 207                         seq.deleteTrack(seq.getTracks()[NUMBER]);
 208                         */
 209                 } else if (command == "Copy track...") {
 210
 211                         MooDialog what = new MooDialog(MooDialog.COPY_TRACK);
 212
 213                 } else if (command == "Move track...") {
 214
 215                         MooDialog what = new MooDialog(MooDialog.MOVE_TRACK);
 216
 217                 } else if (command == "Insert measure...") {
 218
 219                 } else if (command == "Delete measure...") {
 220
 221                 } else if (command == "Set time signature...") {
 222
 223                 } else if (command == "Set tempo...") {
 224
 225                 } else if (command == "Scale velocity...") {
 226
 227                 } else if (command == "Transpose...") {
 228
 229                 } else if (command == "Contents") {
 230                         // contents to be filled in
 231                         JOptionPane.showMessageDialog(this, "här kommer contents komma");
 232
 233                 } else if (command == "Getting started") {
 234                         // getting started to be filled in
 235                         JOptionPane.showMessageDialog(null, "här kommer getting started komma");
 236
 237                 } else if (command == "About") {
 238                         // about to be filled in
 239                         JOptionPane.showMessageDialog(null, "här kommer about att komma");
 240                 }
 241         }
 242
 243         class MidiFileFilter extends javax.swing.filechooser.FileFilter {
 244                 public boolean accept(File f) {
 245                         if(f != null) {
 246                                 if (f.isDirectory() || isMidiFile(f)) return true;
 247                         }
 248                         return false;
 249                 }
 250
 251                 /*
 252                  * gets the description of the filetype
 253                  * @return "Midifiles   the only filetyp compatibel with the program
 254                  */
 255                 public String getDescription() {
 256                         return "MIDI files";
 257                 }
 258         }
 259
 260
 261 }