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[moosique.git] / MooMenu.java
index a1ce4bdc7d8cfb68a6f164d1971ba227bbb8544f..ae1672d083508740a9ec0becedb6b9234ff67fba 100644 (file)
+import javax.sound.midi.*;
 import javax.swing.*;
 import javax.swing.filechooser.*;
+import java.awt.*;
 import java.awt.event.*;
 import java.io.*;
+import java.util.*;
 
+/**
+ * Moosiques GUI representing a menubar, menus and menuitems
+ *
+ * @author Björn Lanneskog
+ */
 public class MooMenu extends JMenuBar implements ActionListener {
        
-/*
-
-Musikrelaterade menyer i Midisoft Recording Session:
-
-Track          Insert New...           Har vi
-               Delete...               Har vi
-               Move...                 Har vi
-               Copy...                 Har vi
-               Combine...              Onödig
-               Rechannel...            Kanske
-               Split by Pitch...       Onödig
-               
-Music          Insert Measure...       Lagt till
-               Delete Measure...       Lagt till
-               Clef...                 Onödig
-               Time Signature...       Lagt till
-               Key Signature...        Onödig
-               Tempo...                Lagt till
-               Scale Velocity...       Lagt till
-               Transpose...            Lagt till
-               Quantize...             Onödig
-
-Kanske också:  Reset Solo / Mute
-
-*/
-
-       private JMenu file, edit, playback, track, help, music;
+       private JMenu file, reopen, edit, keyboard, playback, music, help;
+       private JFileChooser chooser;
+       private File directory;
 
+       /**
+        * Creates the menu bar.
+        */
        public MooMenu() {
-               file = makeMenu("File", KeyEvent.VK_F);
+               // Fetches last work directory, and recent files.
+               // directory = Moosique.getRecentDirectory();
+               ArrayList recentFiles = new ArrayList(); // ... = Moosique.getRecentFiles();
+
+               // Creates the sub-menus and their items.
+               file = createMenu("File", KeyEvent.VK_F);
                add(file);
                                
-               file.add(makeAccItem(file, "New", KeyEvent.VK_N));
-               file.add(makeAccItem(file, "Open...", KeyEvent.VK_O));
-               file.add(makeAccItem(file, "Save", KeyEvent.VK_S));
-               file.add(makeItem(file, "Save as..."));
-               file.add(makeAccItem(file, "Exit", KeyEvent.VK_Q));
-               
-               edit = makeMenu("Edit", KeyEvent.VK_E);
+               addItem(file, "New", KeyEvent.VK_N, true);
+               addItem(file, "Open...", KeyEvent.VK_O, true);
+               reopen = createMenu("Reopen", KeyEvent.VK_R);
+               Iterator it = recentFiles.iterator();
+               while (it.hasNext()) addReopenItem((String)it.next());
+               file.add(reopen);
+               addItem(file, "Save", KeyEvent.VK_S, true);
+               addItem(file, "Save as...", KeyEvent.VK_A, false);
+               file.addSeparator();
+               addItem(file, "Exit", KeyEvent.VK_Q, true);
+               
+               edit = createMenu("Edit", KeyEvent.VK_E);
                add(edit);
                
-               edit.add(makeAccItem(edit, "Copy", KeyEvent.VK_C));
-               edit.add(makeAccItem(edit, "Cut", KeyEvent.VK_X));
-               edit.add(makeAccItem(edit, "Paste", KeyEvent.VK_V));
-               edit.add(makeAccItem(edit, "Select all", KeyEvent.VK_E));
-               edit.add(makeAccItem(edit, "Invert selection", KeyEvent.VK_I));
+               addItem(edit, "Copy", KeyEvent.VK_C, true);
+               addItem(edit, "Cut", KeyEvent.VK_X, true);
+               addItem(edit, "Paste", KeyEvent.VK_V, true);
+               edit.addSeparator();
+               addItem(edit, "Select all", KeyEvent.VK_E, true);
+               addItem(edit, "Invert selection", KeyEvent.VK_I, true);
+               edit.addSeparator();
+               addItem(edit, "Preferences...", KeyEvent.VK_P, true);
                
-               playback = makeMenu("Playback", KeyEvent.VK_P);
+               playback = createMenu("Playback", KeyEvent.VK_P);
                add(playback);
                
-               playback.add(makeAccItem(playback, "Play", KeyEvent.VK_SPACE));
-               playback.add(makeAccItem(playback, "Pause", KeyEvent.VK_SPACE));
-               playback.add(makeItem(playback, "Stop"));
-               playback.add(makeItem(playback, "Jump..."));
-               
-               track = makeMenu("Track", KeyEvent.VK_T);
-               add(track);
-               
-               track.add(makeAccItem(track, "Add", KeyEvent.VK_A));
-               track.add(makeAccItem(track, "Delete", KeyEvent.VK_D));
-               track.add(makeAccItem(track, "Copy track", KeyEvent.VK_Y));
-               track.add(makeAccItem(track, "Move", KeyEvent.VK_M));
-               
-               music = makeMenu("Music", KeyEvent.VK_M);
+               addItem(playback, "Play", "F5", KeyEvent.VK_P);
+               addItem(playback, "Pause", "F7", KeyEvent.VK_A);
+               addItem(playback, "Stop", "F6", KeyEvent.VK_S);
+               playback.addSeparator();
+               addItem(playback, "Set position...", KeyEvent.VK_E, false);
+               playback.addSeparator();
+               keyboard = createMenu("Set keyboard octave", KeyEvent.VK_K);
+               edit.add(keyboard);
+               for (int i = 9; i >= 0; i--) addItem(keyboard, "" + i, i + 48, false);
+               
+               music = createMenu("Music", KeyEvent.VK_M);
                add(music);
                
-               music.add(makeItem(track, "Insert measure..."));
-               music.add(makeItem(track, "Delete measure..."));
-               music.add(makeItem(track, "Time signature..."));
-               music.add(makeItem(track, "Tempo..."));
-               music.add(makeItem(track, "Scale velocity..."));
-               music.add(makeItem(track, "Transpose..."));
-               
-               help = makeMenu("Help", KeyEvent.VK_P);
+               addItem(music, "Add track...", KeyEvent.VK_A, true);
+               addItem(music, "Delete track...", KeyEvent.VK_D, true);
+               addItem(music, "Copy track...", KeyEvent.VK_Y, true);
+               addItem(music, "Move track...", KeyEvent.VK_M, true);
+               music.addSeparator();
+               addItem(music, "Insert measure...", KeyEvent.VK_I, false);
+               addItem(music, "Delete measure...", KeyEvent.VK_E, false);
+               music.addSeparator();
+               addItem(music, "Set time signature...", KeyEvent.VK_S, false);
+               addItem(music, "Set tempo...", KeyEvent.VK_M, false);
+               addItem(music, "Scale velocity...", KeyEvent.VK_V, false);
+               addItem(music, "Transpose...", KeyEvent.VK_T, false);
+               
+               help = createMenu("Help", KeyEvent.VK_L);
                add(help);
-               
-               help.add(makeItem(help, "Contents"));
-               help.add(makeItem(help, "Getting started"));
-               help.add(makeItem(help, "About"));
-       }
 
-       private JMenu makeMenu(String name, int mnemonic) {
+               addItem(help, "User manual", "F1", KeyEvent.VK_M);
+               help.addSeparator();
+               addItem(help, "About", KeyEvent.VK_A, false);
+       }
+       /**
+        * Creats a menu in the menubar.
+        * @param name          The name of the menu.
+        * @param mnemnic       The shortcut-key to access the menu.
+        * @return menu         The menu created.
+        */
+       private JMenu createMenu(String name, int mnemonic) {
                JMenu menu = new JMenu(name);
                menu.setMnemonic(mnemonic);
                return menu;
        }
-
-       private JMenuItem makeItem(JMenu menu, String name) {
+       
+       /**
+        * Creats a menuitem in the menu.
+        * @param menu          The menu where to add the menuitem.
+        * @param name          The name of the menuitem.
+        * @param mnemonic      The keyboard mnemonic used to access this menuitem
+        * @param accelerate    whether to create a keyboard accelerator for this item
+        * @return item         The menuitem created.
+        */
+       private JMenuItem addItem(JMenu menu, String name, int mnemonic, boolean accelerate) {
                JMenuItem item = new JMenuItem(name);
                item.addActionListener(this);
+               item.setMnemonic(mnemonic);
+               if (accelerate) item.setAccelerator(KeyStroke.getKeyStroke(mnemonic, ActionEvent.CTRL_MASK));
                menu.add(item);
                return item;
        }
-
-       private JMenuItem makeAccItem(JMenu menu, String name, int key) {
+       
+       /**
+        * Creats a menuitem in the menu.
+        * @param menu          The menu to where to add the menuitem.
+        * @param name          The name of the menuitem.
+        * @param key           The keystroke to access this menuitem.
+        * @param mnemonic      The keyboard mnemonic used to access this menuitem
+        * @return item         The menuitem created.
+        */
+       private JMenuItem addItem(JMenu menu, String name, String key, int mnemonic) {
                JMenuItem item = new JMenuItem(name);
-               item.setAccelerator(KeyStroke.getKeyStroke(key, ActionEvent.CTRL_MASK));
+               item.setMnemonic(mnemonic);
+               item.setAccelerator(KeyStroke.getKeyStroke(key));
                item.addActionListener(this);
                menu.add(item);
                return item;
        }
-       
+
+       /**
+       * Adds an item for this file to the top of the reopen menu.
+       */
+       private void addReopenItem(String file) {
+               for (int i = 0; i < reopen.getMenuComponentCount(); i++) {
+                       if (file.equals(((JMenuItem)reopen.getMenuComponent(i)).getText()))
+                               reopen.remove(i);
+               }
+               JMenuItem recentFile = new JMenuItem(file);
+               recentFile.addActionListener(this);
+               reopen.insert(recentFile, 0);
+               if (reopen.getMenuComponentCount() > 5) reopen.remove(5);
+       }
+
+       /**
+       * Checks if the given file has the extension ".mid".
+       */
+       private boolean isMidiFile(File f) {
+               if(f != null) {
+                       String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase().trim();
+                       if (extension.equals("mid")) return true;
+               }
+               return false;
+       }
+       /**
+       * Gets the users command of takes and properiate action
+       * @param e      The action perfomed.
+       */
        public void actionPerformed(ActionEvent e) {
                String command = e.getActionCommand();
+               Sequence seq;
                
                if(command == "New") {
-                       
+                       if (!Moosique.promptOnUnsavedChanges()) Moosique.clearSequence();
                } else if (command == "Open...") {
-               
-                       JFileChooser chooser = new JFileChooser();
+                       // Shows a file chooser. If shown previously, starts in the current directory.
+                       if (directory != null) {
+                               chooser = new JFileChooser(directory);
+                       } else {
+                               chooser = new JFileChooser();
+                       }
                        chooser.addChoosableFileFilter(new MidiFileFilter());
                        int returnVal = chooser.showOpenDialog(this);
-                       if(returnVal == JFileChooser.APPROVE_OPTION) {
-                               System.out.println("You chose to open this file: " +
-                       chooser.getSelectedFile().getName());
-               }
-               
+
+                       // Stores the current directory and loads the selected file.
+                       File file = chooser.getSelectedFile();
+                       if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
+                               directory = file.getParentFile();
+                               if (!Moosique.promptOnUnsavedChanges()) {
+                                       if (Moosique.load(file)) addReopenItem(file.getAbsolutePath());
+                               }
+                       }
                } else if (command == "Save") {
-               
+                       if (!Moosique.save()) showSaveAsDialog();
                } else if (command == "Save as...") {
-               
-                       JFileChooser chooser = new JFileChooser();
-                       chooser.addChoosableFileFilter(new MidiFileFilter());
-                       int returnVal = chooser.showSaveDialog(this);
-                       if(returnVal == JFileChooser.APPROVE_OPTION) {
-                               System.out.println("You chose to open this file: " +
-                       chooser.getSelectedFile().getName());
-                       }
-               
+                       showSaveAsDialog();
                } else if (command == "Exit") {
-               
+                       Moosique.quit();
                } else if (command == "Copy") {
                
                } else if (command == "Cut") {
@@ -146,59 +202,90 @@ Kanske ocks
                
                } else if (command == "Invert selection") {
                
+               } else if (command == "Preferences...") {
+
                } else if (command == "Play") {
-                       JOptionPane.showMessageDialog(null, "playing");
-               
+                       if (!Moosique.getSequencer().isRunning()) Moosique.play();
                } else if (command == "Pause") {
-               
+                       if (Moosique.getSequencer().isRunning()) Moosique.pause();
                } else if (command == "Stop") {
-               
-               } else if (command == "Jump...") {
-               
-               } else if (command == "Add") {
-               
-               } else if (command == "Delete") {
-               
-               } else if (command == "Copy track") {
-               
-               } else if (command == "Move") {
-               
-               } else if (command == "Insert Measure...") {
-               
-               } else if (command == "Delete Measure...") {
-               
-               } else if (command == "Time Signature...") {
-               
-               } else if (command == "Tempo...") {
-               
-               } else if (command == "Scale Velocity...") {
-               
+                       Moosique.stop();
+               } else if (command == "Set position...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.SET_POSITION);
+                       // Moosique.setPosition(???); Räkna ut från msr, beats, ticks, time sig.
+               } else if (keyboard.isMenuComponent((JMenuItem)e.getSource())) {
+                       MooKeyboard.setOctave(Integer.parseInt(command));
+               } else if (command == "Add track...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.ADD_TRACK);
+                       Moosique.getSequence().createTrack();
+               } else if (command == "Delete track...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.DELETE_TRACK);
+                       /* Let the user select a track from a list.
+                       seq = Moosique.getSequence();
+                       seq.deleteTrack(seq.getTracks()[NUMBER]);
+                       */
+               } else if (command == "Copy track...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.COPY_TRACK);
+               } else if (command == "Move track...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.MOVE_TRACK);
+               } else if (command == "Insert measure...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.INSERT_MEASURE);
+               } else if (command == "Delete measure...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.DELETE_MEASURE);
+               } else if (command == "Set time signature...") {
+               
+               } else if (command == "Set tempo...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.SET_TEMPO);
+               } else if (command == "Scale velocity...") {
+                       MooDialog newDialog = new MooDialog(MooDialog.SCALE_VELOCITY);
                } else if (command == "Transpose...") {
-               
-               } else if (command == "Contents") {
-                       // contents to be filled in
-                       JOptionPane.showMessageDialog(this, "här kommer contents komma");
-               
-               } else if (command == "Getting started") {
-                       // getting started to be filled in
-                       JOptionPane.showMessageDialog(null, "här kommer getting started komma");
-               
+                       MooDialog newDialog = new MooDialog(MooDialog.TRANSPOSE);
+               } else if (command == "User manual") {
+                       MooDialog manual = new MooDialog(MooDialog.MANUAL);
                } else if (command == "About") {
-                       // about to be filled in
-                       JOptionPane.showMessageDialog(null, "här kommer about att komma");
-               
+                       JOptionPane.showMessageDialog(null,
+                               "Moosique\nversion 1.0\n\n© 2003\nRoland Andersson\nMichael Andreen\nBjörn Lanneskog\nEinar Pehrson",
+                               "About Moosique",
+                               JOptionPane.INFORMATION_MESSAGE,
+                               new ImageIcon(Moosique.getGUI().logo));
+               } else if (reopen.isMenuComponent((JMenuItem)e.getSource())) {
+                       String recentFile = ((JMenuItem)e.getSource()).getText();
+                       if (!Moosique.promptOnUnsavedChanges()) {
+                               if (Moosique.load(new File(recentFile))) addReopenItem(recentFile);
+                       }
                }
        }
 
+       private void showSaveAsDialog() {
+                       // Shows a file chooser. If shown previously, starts in the current directory.
+                       if (directory != null) {
+                               chooser = new JFileChooser(directory);
+                       } else {
+                               chooser = new JFileChooser();
+                       }
+                       chooser.addChoosableFileFilter(new MidiFileFilter());
+                       int returnVal = chooser.showSaveDialog(this);
+
+                       // Stores the current directory and loads the selected file.
+                       File file = chooser.getSelectedFile();
+                       if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
+                               directory = file.getParentFile();
+                               if (Moosique.saveAs(file)) addReopenItem(file.getAbsolutePath());
+                       }
+       }
+
        class MidiFileFilter extends javax.swing.filechooser.FileFilter {
                public boolean accept(File f) {
                        if(f != null) {
-                               String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase();
-                               if (f.isDirectory() || extension == "mid") return true;
+                               if (f.isDirectory() || isMidiFile(f)) return true;
                        }
                        return false;
                }
                
+               /**
+                * gets the description of the filetype
+                * @return "Midifiles   the only filetyp compatibel with the program
+                */
                public String getDescription() {
                        return "MIDI files";
                }