1 import javax.sound.midi.*;
3 import javax.swing.filechooser.*;
4 import java.awt.event.*;
9 * Moosiques GUI representing a menubar, menus and menuitems
11 * @author Björn Lanneskog
13 public class MooMenu extends JMenuBar implements ActionListener {
15 private JMenu file, edit, playback, music, help;
16 private JFileChooser chooser;
17 private File directory;
20 * Creates the menu bar.
23 file = createMenu("File", KeyEvent.VK_F);
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);
32 edit = createMenu("Edit", KeyEvent.VK_E);
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);
42 playback = createMenu("Playback", KeyEvent.VK_P);
45 addItem(playback, "Play", KeyEvent.VK_SPACE);
46 addItem(playback, "Pause");
47 addItem(playback, "Stop");
48 addItem(playback, "Jump...");
50 music = createMenu("Music", KeyEvent.VK_M);
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...");
64 help = createMenu("Help", KeyEvent.VK_L);
67 addItem(help, "Contents");
68 addItem(help, "Getting started");
69 addItem(help, "About");
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
78 private JMenu createMenu(String name, int mnemonic) {
79 JMenu menu = new JMenu(name);
80 menu.setMnemonic(mnemonic);
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
90 private JMenuItem addItem(JMenu menu, String name) {
91 JMenuItem item = new JMenuItem(name);
92 item.addActionListener(this);
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
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);
113 * creates a JDialog popupmenu, containing diffrent choices
114 * @param title the title of the dialog
115 * @return trackframe the JDialog....ffaaaaaaaaaaaaaaaan!
117 //private JDialog makeDialog(String title){
121 * checks if the fileformat is compatible with our program
122 * @param f the file to check
123 * @return true or false
125 private boolean isMidiFile(File f) {
127 String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase().trim();
128 if (extension.equals("mid")) return true;
133 public void actionPerformed(ActionEvent e) {
134 String command = e.getActionCommand();
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);
144 chooser = new JFileChooser();
146 chooser.addChoosableFileFilter(new MidiFileFilter());
147 int returnVal = chooser.showOpenDialog(this);
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());
155 } else if (command == "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);
162 chooser = new JFileChooser();
164 chooser.addChoosableFileFilter(new MidiFileFilter());
165 int returnVal = chooser.showSaveDialog(this);
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());
173 } else if (command == "Exit") {
175 } else if (command == "Copy") {
177 } else if (command == "Cut") {
179 } else if (command == "Paste") {
181 } else if (command == "Select all") {
183 } else if (command == "Invert selection") {
185 } else if (command == "Preferences...") {
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") {
193 } else if (command == "Jump...") {
195 } else if (command == "Add track...") {
197 MooDialog what = new MooDialog(MooDialog.ADD_TRACK);
199 Moosique.getSequence().createTrack();
201 } else if (command == "Delete track...") {
203 MooDialog what = new MooDialog(MooDialog.DELETE_TRACK);
205 /* Let the user select a track from a list.
206 seq = Moosique.getSequence();
207 seq.deleteTrack(seq.getTracks()[NUMBER]);
209 } else if (command == "Copy track...") {
211 MooDialog what = new MooDialog(MooDialog.COPY_TRACK);
213 } else if (command == "Move track...") {
215 MooDialog what = new MooDialog(MooDialog.MOVE_TRACK);
217 } else if (command == "Insert measure...") {
219 } else if (command == "Delete measure...") {
221 } else if (command == "Set time signature...") {
223 } else if (command == "Set tempo...") {
225 } else if (command == "Scale velocity...") {
227 } else if (command == "Transpose...") {
229 } else if (command == "Contents") {
230 // contents to be filled in
231 JOptionPane.showMessageDialog(this, "här kommer contents komma");
233 } else if (command == "Getting started") {
234 // getting started to be filled in
235 JOptionPane.showMessageDialog(null, "här kommer getting started komma");
237 } else if (command == "About") {
238 // about to be filled in
239 JOptionPane.showMessageDialog(null, "här kommer about att komma");
243 class MidiFileFilter extends javax.swing.filechooser.FileFilter {
244 public boolean accept(File f) {
246 if (f.isDirectory() || isMidiFile(f)) return true;
252 * gets the description of the filetype
253 * @return "Midifiles the only filetyp compatibel with the program
255 public String getDescription() {