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                 this.seq = seq;
  29
  30                 Container pane = getContentPane();
  31                 pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS));
  32
  33                 // Adds menu bar.
  34                 menu = new MooMenu();
  35                 setJMenuBar(menu);
  36
  37                 // Adds toolbar.
  38                 toolbar = new MooToolbar();
  39                 pane.add(toolbar, BorderLayout.NORTH);
  40
  41                 // Adds main view.
  42                 view = new MooView(seq.getTracks());
  43                 pane.add(view, BorderLayout.CENTER);
  44
  45                 // Adds status bar.
  46                 statusBar = new JLabel("Welcome to Moosique!", JLabel.CENTER);
  47                 statusBar.setFont(FONT);
  48                 pane.add(statusBar, BorderLayout.SOUTH);
  49
  50                 // Brings on the colors!
  51                 setBackground(pane);
  52                 setBackground(menu);
  53                 setBackground(toolbar);
  54                 setBackground(view);
  55                 statusBar.setBackground(bgColor);
  56                 view.setBackground(bgColor);
  57
  58                 // Sets up global key listener
  59                 ActionMap am = getRootPane().getActionMap();
  60
  61                 Action playAction = new AbstractAction() {
  62                         public void actionPerformed(ActionEvent ae) {
  63                                 if (!Moosique.getSequencer().isRunning()) {
  64                                         Moosique.play();
  65                                 } else {
  66                                         Moosique.stop();
  67                                 }
  68                         }};
  69                 am.put("Play", playAction);
  70
  71                 InputMap im = getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
  72                 KeyStroke playKey = KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0);
  73                 im.put(playKey, "Play");
  74
  75                 // Configures window.
  76                 addWindowListener(new MooGUICloser());
  77                 pack();
  78                 setIconImage(Toolkit.getDefaultToolkit().getImage("images/moose.gif"));
  79                 Dimension bounds = Toolkit.getDefaultToolkit().getScreenSize();
  80                 setSize(bounds.width,bounds.height - 40);
  81                 setLocation(0, 0);
  82                 // setResizable(false);
  83                 setBackground(Color.white);
  84                 setVisible(true);
  85                 show();
  86         }
  87
  88         private void setBackground(Container c) {
  89                 c.setBackground(bgColor);
  90                 Component[] comps = c.getComponents();
  91                 for (int i = 0; i < comps.length; i++) {
  92                         comps[i].setBackground(bgColor);
  93                 }
  94         }
  95
  96         /**
  97          * Changes the sequence of the GUI.
  98          * @param sequence      the MIDI sequence to visualize
  99          */
 100         public void setSequence(Sequence sequence) {
 101                 seq = sequence;
 102                 view.setTracks(seq.getTracks());
 103                 toolbar.resetProgInd();
 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 }