MooView.java

   1 import javax.sound.midi.*;
   2 import javax.swing.*;
   3 import java.awt.*;
   4 import java.awt.event.*;
   5
   6 /**
   7  * The main view, the container of the track views.
   8  *
   9  * @author  Einar Pehrson
  10  */
  11
  12 public class MooView extends JScrollPane {
  13
  14         private JPanel trackPanel;
  15
  16         /**
  17          * Creates the main view
  18          */
  19         public MooView(Track[] tracks) {
  20                 super(VERTICAL_SCROLLBAR_ALWAYS, HORIZONTAL_SCROLLBAR_AS_NEEDED);
  21                 trackPanel = new JPanel(new GridLayout(1,3), true);
  22                 setTracks(tracks);
  23                 setViewportView(trackPanel);
  24         }
  25
  26         /**
  27          * Fills the track panel with track views for all tracks in the current sequence.
  28          * @param tracks        the tracks for which to add views
  29          */
  30         public void setTracks(Track[] tracks) {
  31                 trackPanel.removeAll();
  32                 ((GridLayout)trackPanel.getLayout()).setColumns(tracks.length);
  33                 for (int i = 0; i < tracks.length; i++) {
  34                         trackPanel.add(new MooTrackView(tracks[i]));
  35                 }
  36                 trackPanel.validate();
  37                 validate();
  38         }
  39
  40         /**
  41          * Calls on each track view to update itself.
  42          */
  43         public void update() {
  44                 Component[] comps = c.getComponents();
  45                 for (int i = 0; i < comps.length; i++) {
  46                         ((MooTrackView)comps[i]).update();
  47                 }
  48         }
  49
  50         /**
  51          * Creates a view for the given track and adds it to the main view.
  52          * @param track         the track for which to add a view
  53          * @param index         the index at which to insert the view
  54          */
  55         public void addTrackView(Track track, int index) {
  56                 add(new MooTrackView(track), index);
  57                 validate();
  58         }
  59
  60         /**
  61          * Removes the view for the given track.
  62          * @param index         the index of the track for which to remove the view
  63          */
  64         public void removeTrackView(int index) {
  65                 remove(index);
  66                 validate();
  67         }
  68 }