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 JFrame popupmenu, containing diffrent choices
 114         * @param title  the title of the JFrame
 115         * @param labelone       the first label of two
 116         * @param labeltwo       the second label of two
 117         * @return trackframe    the JFrame to popup....ffaaaaaaaaaaaaaaaan!
 118         */
 119
 120
 121
 122         /**
 123          * checks if the fileformat is compatible with our program
 124          * @param f     the file to check
 125          * @return true or false
 126          */
 127         private boolean isMidiFile(File f) {
 128                 if(f != null) {
 129                         String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase().trim();
 130                         if (extension.equals("mid")) return true;
 131                 }
 132                 return false;
 133         }
 134
 135         public void actionPerformed(ActionEvent e) {
 136                 String command = e.getActionCommand();
 137                 Sequence seq;
 138
 139                 if(command == "New") {
 140                         Moosique.clearSequence();
 141                 } else if (command == "Open...") {
 142                         if (directory != null) {
 143                                 chooser = new JFileChooser(directory);
 144                         } else {
 145                                 chooser = new JFileChooser();
 146                         }
 147                         chooser.addChoosableFileFilter(new MidiFileFilter());
 148                         int returnVal = chooser.showOpenDialog(this);
 149                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(chooser.getSelectedFile())) {
 150                                 directory = chooser.getSelectedFile().getParentFile();
 151                                 Moosique.load(chooser.getSelectedFile().getAbsolutePath());
 152                         }
 153                 } else if (command == "Save") {
 154                         Moosique.save();
 155                 } else if (command == "Save as...") {
 156                         if (directory != null) {
 157                                 chooser = new JFileChooser(directory);
 158                         } else {
 159                                 chooser = new JFileChooser();
 160                         }
 161                         chooser.addChoosableFileFilter(new MidiFileFilter());
 162                         int returnVal = chooser.showSaveDialog(this);
 163                         if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(chooser.getSelectedFile())) {
 164                                 directory = chooser.getSelectedFile().getParentFile();
 165                                 Moosique.saveAs(chooser.getSelectedFile().getAbsolutePath());
 166                         }
 167                 } else if (command == "Exit") {
 168                         Moosique.quit();
 169                 } else if (command == "Copy") {
 170
 171                 } else if (command == "Cut") {
 172
 173                 } else if (command == "Paste") {
 174
 175                 } else if (command == "Select all") {
 176
 177                 } else if (command == "Invert selection") {
 178
 179                 } else if (command == "Preferences...") {
 180
 181                 } else if (command == "Play") {
 182                         if (!Moosique.getSequencer().isRunning()) Moosique.play();
 183                 } else if (command == "Pause") {
 184                         if (Moosique.getSequencer().isRunning()) Moosique.pause();
 185                 } else if (command == "Stop") {
 186                         Moosique.stop();
 187                 } else if (command == "Jump...") {
 188
 189                 } else if (command == "Add track...") {
 190
 191                         JFrame frame = new JFrame("Add track");
 192                         JPanel panel = new JPanel();
 193                         //panel.setPreferredSize(new Dimension(250,400));
 194                         panel.setLayout(new GridLayout(2,2));
 195                         frame.setContentPane(panel);
 196
 197                         JLabel top = new JLabel("Name of track", JLabel.CENTER);
 198                         top.setFont(new Font("Times new Roman", Font.BOLD, 10));
 199                         panel.add(top);
 200
 201                         JTextField field = new JTextField(5);
 202                         panel.add(field);
 203
 204                         JLabel bottom = new JLabel("Add it after",JLabel.CENTER);
 205                         bottom.setFont(new Font("Times new Roman", Font.BOLD, 10));
 206                         panel.add(bottom);
 207
 208                         JComboBox tracklist = new JComboBox();
 209                         panel.add(tracklist);
 210
 211
 212                         frame.pack();
 213                         frame.show();
 214
 215                         Moosique.getSequence().createTrack();
 216
 217                 } else if (command == "Delete track...") {
 218
 219                         JFrame frame = new JFrame("Delete track");
 220                         JPanel panel = new JPanel();
 221                         panel.setPreferredSize(new Dimension(250,400));
 222                         frame.setContentPane(panel);
 223
 224                         frame.pack();
 225                         frame.show();
 226
 227                         /* Let the user select a track from a list.
 228                         seq = Moosique.getSequence();
 229                         seq.deleteTrack(seq.getTracks()[NUMBER]);
 230                         */
 231                 } else if (command == "Copy track...") {
 232
 233                         JFrame frame = new JFrame("Copy track");
 234                         JPanel panel = new JPanel();
 235                         panel.setPreferredSize(new Dimension(250,400));
 236                         frame.setContentPane(panel);
 237
 238                         frame.pack();
 239                         frame.show();
 240
 241                 } else if (command == "Move track...") {
 242
 243                         JFrame frame = new JFrame("Move track");
 244                         JPanel panel = new JPanel();
 245                         panel.setPreferredSize(new Dimension(250,400));
 246                         panel.setLayout(new GridLayout(2,2));
 247                         frame.setContentPane(panel);
 248
 249                         frame.pack();
 250                         frame.show();
 251
 252
 253                 } else if (command == "Insert measure...") {
 254
 255                 } else if (command == "Delete measure...") {
 256
 257                 } else if (command == "Set time signature...") {
 258
 259                 } else if (command == "Set tempo...") {
 260
 261                 } else if (command == "Scale velocity...") {
 262
 263                 } else if (command == "Transpose...") {
 264
 265                 } else if (command == "Contents") {
 266                         // contents to be filled in
 267                         JOptionPane.showMessageDialog(this, "här kommer contents komma");
 268
 269                 } else if (command == "Getting started") {
 270                         // getting started to be filled in
 271                         JOptionPane.showMessageDialog(null, "här kommer getting started komma");
 272
 273                 } else if (command == "About") {
 274                         // about to be filled in
 275                         JOptionPane.showMessageDialog(null, "här kommer about att komma");
 276                 }
 277         }
 278
 279         class MidiFileFilter extends javax.swing.filechooser.FileFilter {
 280                 public boolean accept(File f) {
 281                         if(f != null) {
 282                                 if (f.isDirectory() || isMidiFile(f)) return true;
 283                         }
 284                         return false;
 285                 }
 286
 287                 /*
 288                  * gets the description of the filetype
 289                  * @return "Midifiles   the only filetyp compatibel with the program
 290                  */
 291                 public String getDescription() {
 292                         return "MIDI files";
 293                 }
 294         }
 295
 296
 297 }