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[moosique.git] / MooMenu.java
index 1315bfbd504b00155a5f49d69a69c63973b64b9b..d25ec0caa9a2cfd0a1fef8f0c74d65bdf44f19d8 100644 (file)
+import javax.sound.midi.*;
 import javax.swing.*;
+import javax.swing.filechooser.*;
+import java.awt.event.*;
+import java.io.*;
+import java.awt.*;
 
-public class MooMenu extends JMenuBar
-{
-       // empty contructor that anropar the createMooMenu in the mainmethod
-       public MooMenu()
-       {
-               JMenuBar menubar = new JMenuBar();
-               menubar.add(createFileMenu());
-               menubar.add(createEditMenu());
-               menubar.add(createSequenceMenu());
-               menubar.add(createTrackMenu());
-               menubar.add(createNoteMenu());
-               menubar.add(createHelpMenu());
-       }
+/**
+ * Moosiques GUI representing a menubar, menus and menuitems
+ *
+ * @author Björn Lanneskog
+ */
+public class MooMenu extends JMenuBar implements ActionListener {
+       
+       private JMenu file, edit, playback, music, help;
+       private JFileChooser chooser;
+       private File directory;
 
-       // creates the filemenu
-       public JMenu createFileMenu()
-       {
-               JMenu file = new JMenu("File");
-               
-               JMenuItem neww = new JMenuItem("New");
-               file.add(neww);
-               JMenuItem open = new JMenuItem("Open");
-               file.add(open);
-               JMenuItem saveas = new JMenuItem("Save as...");
-               file.add(saveas);
-               JMenuItem save = new JMenuItem("Save");
-               file.add(save);
-               JMenuItem exporttomidi = new JMenuItem("Export to MIDI...");
-           file.add(exporttomidi);
-               JMenuItem exit = new JMenuItem("Exit");
-               file.add(exporttomidi);
-               return file;
+       /**
+        * Creates the menu bar.
+        */
+       public MooMenu() {
+               file = createMenu("File", KeyEvent.VK_F);
+               add(file);
+                               
+               addItem(file, "New", KeyEvent.VK_N, ActionEvent.CTRL_MASK);
+               addItem(file, "Open...", KeyEvent.VK_O, ActionEvent.CTRL_MASK);
+               addItem(file, "Save", KeyEvent.VK_S, ActionEvent.CTRL_MASK);
+               addItem(file, "Save as...");
+               addItem(file, "Exit", KeyEvent.VK_Q, ActionEvent.CTRL_MASK);
+               
+               edit = createMenu("Edit", KeyEvent.VK_E);
+               add(edit);
+               
+               addItem(edit, "Copy", KeyEvent.VK_C, ActionEvent.CTRL_MASK);
+               addItem(edit, "Cut", KeyEvent.VK_X, ActionEvent.CTRL_MASK);
+               addItem(edit, "Paste", KeyEvent.VK_V, ActionEvent.CTRL_MASK);
+               addItem(edit, "Select all", KeyEvent.VK_E, ActionEvent.CTRL_MASK);
+               addItem(edit, "Invert selection", KeyEvent.VK_I, ActionEvent.CTRL_MASK);
+               edit.addSeparator();
+               addItem(edit, "Preferences...", KeyEvent.VK_P, ActionEvent.CTRL_MASK);
+               
+               playback = createMenu("Playback", KeyEvent.VK_P);
+               add(playback);
+               
+               addItem(playback, "Play", "F5");
+               addItem(playback, "Pause", "F7");
+               addItem(playback, "Stop", "F6");
+               addItem(playback, "Jump...");
+               
+               music = createMenu("Music", KeyEvent.VK_M);
+               add(music);
+               
+               addItem(music, "Add track...", KeyEvent.VK_A, ActionEvent.CTRL_MASK);
+               addItem(music, "Delete track...", KeyEvent.VK_D, ActionEvent.CTRL_MASK);
+               addItem(music, "Copy track...", KeyEvent.VK_Y, ActionEvent.CTRL_MASK);
+               addItem(music, "Move track...", KeyEvent.VK_M, ActionEvent.CTRL_MASK);
+               music.addSeparator();
+               addItem(music, "Insert measure...");
+               addItem(music, "Delete measure...");
+               music.addSeparator();
+               addItem(music, "Set time signature...");
+               addItem(music, "Set tempo...");
+               addItem(music, "Scale velocity...");
+               addItem(music, "Transpose...");
+               
+               help = createMenu("Help", KeyEvent.VK_L);
+               add(help);
+               
+               addItem(help, "Contents", "F1");
+               addItem(help, "Getting started");
+               addItem(help, "About");
+       }
+       /**
+        * 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;
        }
        
-       // creates the editmenu
-       public JMenu createEditMenu()
-       {
-               JMenu edit = new JMenu("Edit");
-
-               JMenuItem copy = new JMenuItem("Copy");
-               edit.add(copy);
-               JMenuItem cut = new JMenuItem("Cut");
-               edit.add(cut);
-               JMenuItem paste = new JMenuItem("Paste");
-               edit.add(paste);
-               JMenuItem selectall = new JMenuItem("Select All");
-               edit.add(selectall);
-               JMenuItem invertselection = new JMenuItem("Invert selection");
-               edit.add(invertselection);
-               return edit;
+       /**
+        * Creats a menuitem in the menu.
+        * @param menu          The menu where to add the menuitem.
+        * @param name          The name of the menuitem.
+        * @return item         The menuitem created.
+        */
+       private JMenuItem addItem(JMenu menu, String name) {
+               JMenuItem item = new JMenuItem(name);
+               item.addActionListener(this);
+               menu.add(item);
+               return item;
        }
-
-       //creates the sequencemenu
-       public JMenu createSequenceMenu()
-       {
-
-               JMenu sequence = new JMenu("Sequence");
-               return sequence;
+       
+       /**
+        * 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.
+        * @return item         The menuitem created.
+        */
+       private JMenuItem addItem(JMenu menu, String name, String key) {
+               JMenuItem item = new JMenuItem(name);
+               item.setAccelerator(KeyStroke.getKeyStroke(key));
+               item.addActionListener(this);
+               menu.add(item);
+               return item;
        }
-
-       // creates the trackmenu
-       public JMenu createTrackMenu()
-       {
-               JMenu track = new JMenu("Track");
-               return track;
+       
+       /**
+        * 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 mask          The keyboard mask.
+        * @return item         The menuitem created.
+        */
+       private JMenuItem addItem(JMenu menu, String name, int key, int mask) {
+               JMenuItem item = new JMenuItem(name);
+               item.setAccelerator(KeyStroke.getKeyStroke(key, mask));
+               item.addActionListener(this);
+               menu.add(item);
+               return item;
        }
-
-       // creates the notemenu
-       public JMenu createNoteMenu()
-       {
-               JMenu note = new JMenu("Note");
-               return note;
+       
+       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") {
+                       Moosique.clearSequence();
+               } else if (command == "Open...") {
+                       // 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);
+
+                       // Stores the current directory and loads the selected file.
+                       File file = chooser.getSelectedFile();
+                       if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
+                               directory = chooser.getSelectedFile().getParentFile();
+                               Moosique.load(chooser.getSelectedFile().getAbsolutePath());
+                       }
+               } else if (command == "Save") {
+                       Moosique.save();
+               } else if (command == "Save as...") {
+                       // 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);
 
-       // creates the aboutmenu
-       public JMenu createHelpMenu()
-       {
-               JMenu help = new JMenu("Help");
-               
-               JMenuItem contents = new JMenuItem("Contents");
-               help.add(contents);
-               JMenuItem gettingstarted = new JMenuItem("Getting started");
-               help.add(gettingstarted);
-               JMenuItem about = new JMenuItem("About");
-               help.add(about);
+                       // Stores the current directory and loads the selected file.
+                       File file = chooser.getSelectedFile();
+                       if(returnVal == JFileChooser.APPROVE_OPTION && isMidiFile(file)) {
+                               directory = file.getParentFile();
+                               Moosique.saveAs(file.getAbsolutePath());
+                       }
+               } else if (command == "Exit") {
+                       Moosique.quit();
+               } else if (command == "Copy") {
+               
+               } else if (command == "Cut") {
+               
+               } else if (command == "Paste") {
+               
+               } else if (command == "Select all") {
+               
+               } else if (command == "Invert selection") {
+               
+               } else if (command == "Preferences...") {
 
-               return help;
+               } else if (command == "Play") {
+                       if (!Moosique.getSequencer().isRunning()) Moosique.play();
+               } else if (command == "Pause") {
+                       if (Moosique.getSequencer().isRunning()) Moosique.pause();
+               } else if (command == "Stop") {
+                       Moosique.stop();
+               } else if (command == "Jump...") {
+                       MooDialog what = new MooDialog(MooDialog.JUMP);
+                       // Moosique.setPosition(???); Räkna ut från msr, beats, ticks, time sig.
+               } else if (command == "Add track...") {
+                       MooDialog what = new MooDialog(MooDialog.ADD_TRACK);
+                       Moosique.getSequence().createTrack();
+               } else if (command == "Delete track...") {
+               
+                       MooDialog what = 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 what = new MooDialog(MooDialog.COPY_TRACK);
+               } else if (command == "Move track...") {
+                       MooDialog what = new MooDialog(MooDialog.MOVE_TRACK);
+               } else if (command == "Insert measure...") {
+               
+               } else if (command == "Delete measure...") {
+               
+               } else if (command == "Set time signature...") {
+               
+               } else if (command == "Set tempo...") {
+               
+               } else if (command == "Scale velocity...") {
+               
+               } else if (command == "Transpose...") {
+               
+               } else if (command == "Contents") {
+                       MooDialog contents = new MooDialog(MooDialog.CONTENTS);
+               } else if (command == "Getting started") {
+                       
+                       JOptionPane.showMessageDialog(null, "här kommer getting started komma");
+               
+               } else if (command == "About") {
+                       
+                       JOptionPane.showMessageDialog(null, "här kommer about att komma");
+               }
        }
 
+       class MidiFileFilter extends javax.swing.filechooser.FileFilter {
+               public boolean accept(File f) {
+                       if(f != null) {
+                               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";
+               }
+       }
+       
+       
 }