MooGUI.java

   1 import javax.sound.midi.*;
   2 import javax.swing.*;
   3 import java.awt.*;
   4 import java.awt.event.*;
   5
   6 /**
   7  * Moosique's graphical user interface.
   8  *
   9  * @author  Einar Pehrson
  10  */
  11
  12 public class MooGUI extends JFrame {
  13
  14         private Sequence seq;
  15         private MooMenu menu;
  16         private MooToolbar toolbar;
  17         private MooView view;
  18         private JLabel statusBar;
  19         public static final Font FONT = new Font("Helvetica", Font.PLAIN, 10);
  20         public static final Color bgColor = new Color(192, 224, 255);
  21
  22         /**
  23          * Creates the GUI.
  24          */
  25         public MooGUI(Sequence seq) {
  26                 super("Moosique");
  27
  28
  29                 this.seq = seq;
  30
  31                 Container pane = getContentPane();
  32                 pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS));
  33
  34                 // Adds menu bar.
  35                 menu = new MooMenu();
  36                 setJMenuBar(menu);
  37
  38                 // Adds toolbar.
  39                 toolbar = new MooToolbar();
  40                 pane.add(toolbar, BorderLayout.NORTH);
  41
  42                 // Adds main view.
  43                 view = new MooView(seq.getTracks());
  44                 pane.add(view, BorderLayout.CENTER);
  45
  46                 // Adds status bar.
  47                 statusBar = new JLabel("Welcome to Moosique!", JLabel.CENTER);
  48                 statusBar.setFont(FONT);
  49                 pane.add(statusBar, BorderLayout.SOUTH);
  50
  51                 // Brings on the colors!
  52                 setBackground(pane);
  53                 setBackground(menu);
  54                 setBackground(toolbar);
  55                 setBackground(view);
  56                 statusBar.setBackground(bgColor);
  57                 view.setBackground(bgColor);
  58
  59                 // Sets up global key listener
  60                 ActionMap am = getRootPane().getActionMap();
  61
  62                 Action playAction = new AbstractAction() {
  63                         public void actionPerformed(ActionEvent ae) {
  64                                 if (!Moosique.getSequencer().isRunning()) {
  65                                         Moosique.play();
  66                                 } else {
  67                                         Moosique.stop();
  68                                 }
  69                         }};
  70                 am.put("Play", playAction);
  71
  72                 InputMap im = getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
  73                 KeyStroke playKey = KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0);
  74                 im.put(playKey, "Play");
  75
  76                 // Configures window.
  77                 addWindowListener(new MooGUICloser());
  78                 pack();
  79                 setIconImage(Toolkit.getDefaultToolkit().getImage("images/moose.gif"));
  80                 Dimension bounds = Toolkit.getDefaultToolkit().getScreenSize();
  81                 setSize(bounds.width,bounds.height - 40);
  82                 setLocation(0, 0);
  83                 // setResizable(false);
  84                 setBackground(Color.white);
  85                 setVisible(true);
  86                 show();
  87         }
  88
  89         private void setBackground(Container c) {
  90                 c.setBackground(bgColor);
  91                 Component[] comps = c.getComponents();
  92                 for (int i = 0; i < comps.length; i++) {
  93                         comps[i].setBackground(bgColor);
  94                 }
  95         }
  96
  97         /**
  98          * Changes the sequence of the GUI.
  99          * @param sequence      the MIDI sequence to visualize
 100          */
 101         public void setSequence(Sequence sequence) {
 102                 seq = sequence;
 103                 view.setTracks(seq.getTracks());
 104         }
 105
 106         /**
 107          * Shows the given message in the status bar.
 108          * @param text  the message to show
 109          */
 110         public void setStatus(String text) {
 111                 statusBar.setText(text);
 112         }
 113
 114         /**
 115          * Calls on the main view to update the track views,
 116          * and on the toolbar to update the progress indicator.
 117          */
 118         public void update(long tickPosition){
 119                 view.update(tickPosition);
 120                 toolbar.updateProgInd(tickPosition);
 121         }
 122
 123         class MooGUICloser extends WindowAdapter {
 124                 public void windowClosing(WindowEvent e) {
 125                         Moosique.quit();
 126                 }
 127         }
 128 }