1 import javax.sound.midi.*;
4 import java.awt.event.*;
8 * The main view, the container of the track views.
10 * @author Einar Pehrson
13 public class MooView extends JScrollPane {
15 private JPanel trackPanel;
16 private JPanel titlePanel;
17 private MooViewCounter viewCounter;
18 private int numberOfTracks;
21 * Creates the main view
23 public MooView(Track[] tracks) {
24 super(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
25 trackPanel = new JPanel(new GridLayout(1,3), true);
26 setViewportView(trackPanel);
27 getViewport().setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE);
29 titlePanel = new JPanel(new GridLayout(1,3),true);
30 JViewport columnHeader = new JViewport();
31 columnHeader.setView(titlePanel);
32 setColumnHeaderView(columnHeader);
34 viewCounter = new MooViewCounter(null);
35 JViewport rowHeader = new JViewport();
36 rowHeader.setView(viewCounter);
37 setRowHeaderView(rowHeader);
43 * Fills the track panel with track views for all tracks in the current sequence.
44 * @param tracks the tracks for which to add views
46 public void setTracks(Track[] tracks) {
47 setDoubleBuffered(true);
48 numberOfTracks = tracks.length;
49 trackPanel.removeAll();
50 titlePanel.removeAll();
51 if (numberOfTracks == 1) {
52 // If MIDI file is of type 0, creates a view for the track.
53 trackPanel.setLayout(new FlowLayout());
54 trackPanel.add(new MooTrackView(tracks[0]));
55 titlePanel.add(new MooTrackTitle(tracks[0],0));
57 // Creates dialog for progress bar.
58 JDialog progressDialog = new JDialog(Moosique.getGUI(), "Visualizing...", false);
59 JProgressBar progressBar = new JProgressBar(0, tracks.length);
60 progressBar.setValue(0);
61 progressBar.setStringPainted(true);
62 progressDialog.getContentPane().add(progressBar);
63 progressDialog.pack();
64 progressDialog.setLocation((Toolkit.getDefaultToolkit().getScreenSize().width - progressDialog.getWidth()) / 2, (Toolkit.getDefaultToolkit().getScreenSize().height - progressDialog.getHeight()) / 2);
65 progressDialog.setVisible(true);
67 // Starts filling the track panel with track views, while updating the progress bar.
68 GridLayout gL = new GridLayout(1,numberOfTracks);
69 trackPanel.setLayout(gL);
70 for (int i = 1; i < tracks.length; i++) {
71 if (Moosique.shouldBeDrawn(tracks[i])) {
72 System.out.println("Draws track " + i);
73 MooTrackTitle title = new MooTrackTitle(tracks[i],i);
74 titlePanel.add(title);
75 trackPanel.add(new MooTrackView(tracks[i], title));
76 progressBar.setValue(i);
78 System.out.println("Doesn't draw track " + i);
79 gL.setColumns(--numberOfTracks);
80 trackPanel.setLayout(gL);
83 progressDialog.dispose();
85 /* JPanel filler = new JPanel();
86 int totalViewLength = trackPanel.getComponents().length * MooTrackView.VIEW_WIDTH;
87 if (totalViewLength < getWidth()) {
88 System.out.println("Adding filler since width = " + getWidth() + " and tracks = " + totalViewLength);
89 ((GridLayout)trackPanel.getLayout()).setColumns(numberOfTracks + 1);
90 filler.setPreferredSize(new Dimension(getWidth() - totalViewLength, 140 * MooTrackView.NOTE_HEIGHT));
91 trackPanel.add(filler);
92 setPreferredSize(new Dimension(getWidth(), getHeight()));
95 trackPanel.validate();
96 setViewportView(trackPanel);
100 * Calls on each track view to update itself.
102 public void update(long tickPosition) {
103 getViewport().setViewPosition(new Point((int)getViewport().getViewPosition().getX(), (int)(tickPosition / (Moosique.getSequence().getResolution() / 4)) * MooTrackView.NOTE_HEIGHT));
104 Component[] comps = getComponents();
105 for (int i = 0; i < comps.length; i++) {
106 if(comps[i] instanceof MooTrackView) ((MooTrackView)comps[i]).update(tickPosition);
111 * Creates a view for the given track and adds it to the main view.
112 * @param track the track for which to add a view
113 * @param index the index at which to insert the view
115 public void addTrackView(Track track, int index) {
116 ((GridLayout)trackPanel.getLayout()).setColumns(++numberOfTracks);
117 ((GridLayout)titlePanel.getLayout()).setColumns(++numberOfTracks);
118 trackPanel.add(new MooTrackView(track), index);
119 titlePanel.add(new MooTrackTitle(track,index), index);
124 * Removes the view for the given track.
125 * @param index the index of the track for which to remove the view
127 public void removeTrackView(int index) {
129 ((GridLayout)trackPanel.getLayout()).setColumns(--numberOfTracks);