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[moosique.git] / MooView.java

diff --git a/MooView.java b/MooView.java
index 76391f9d20caf3d170c3a90fc29509e7eca5ee92..3f088bd5930f801d27e5adfafb3efa4b1ed0f256 100644 (file)
--- a/MooView.java
+++ b/MooView.java
@@ -12,12 +12,14 @@ import java.awt.event.*;
 public class MooView extends JScrollPane {
 
        private JPanel trackPanel;
+       private int numberOfTracks;
 
        /** 
         * Creates the main view
         */
        public MooView(Track[] tracks) {
                super(VERTICAL_SCROLLBAR_ALWAYS, HORIZONTAL_SCROLLBAR_AS_NEEDED);
+               numberOfTracks = tracks.length;
                trackPanel = new JPanel(new GridLayout(1,3), true);
                setTracks(tracks);
                setViewportView(trackPanel);
@@ -28,22 +30,39 @@ public class MooView extends JScrollPane {
         * @param tracks        the tracks for which to add views
         */
        public void setTracks(Track[] tracks) {
-               trackPanel.removeAll();
-               ((GridLayout)trackPanel.getLayout()).setColumns(tracks.length);
-               for (int i = 0; i < tracks.length; i++) {
-                       trackPanel.add(new MooTrackView(tracks[i]));
+               if (tracks.length == 1) {
+                       // If MIDI file is of type 0, creates a view for the track.
+                       trackPanel.add(new MooTrackView(tracks[0]));
+               } else {
+                       // Creates dialog for progress bar.
+                       JDialog progressDialog = new JDialog(Moosique.getGUI(), "Visualizing MIDI file...", false);
+                       JProgressBar progressBar = new JProgressBar(0, tracks.length);
+                       progressBar.setValue(0);
+                       progressBar.setStringPainted(true);
+                       progressDialog.getContentPane().add(progressBar);
+                       progressDialog.pack();
+                       progressDialog.setLocation((Toolkit.getDefaultToolkit().getScreenSize().width - progressDialog.getWidth()) / 2, (Toolkit.getDefaultToolkit().getScreenSize().height - progressDialog.getHeight()) / 2);
+                       progressDialog.setVisible(true);
+       
+                       // Starts filling the track panel with track views, while updating the progress bar.
+                       trackPanel.removeAll();
+                       trackPanel.setLayout(new GridLayout(1,tracks.length));
+                       for (int i = 1; i < tracks.length; i++) {
+                               trackPanel.add(new MooTrackView(tracks[i]));
+                               progressBar.setValue(i+1);
+                       }
+                       progressDialog.dispose();
                }
                trackPanel.validate();
-               validate();
        }
 
        /** 
         * Calls on each track view to update itself.
         */
        public void update() {
-               Component[] comps = c.getComponents();
+               Component[] comps = getComponents();
                for (int i = 0; i < comps.length; i++) {
-                       ((MooTrackView)comps[i]).update();
+                       if(comps[i] instanceof MooTrackView) ((MooTrackView)comps[i]).update();
                }
        }
 
@@ -53,7 +72,8 @@ public class MooView extends JScrollPane {
         * @param index         the index at which to insert the view
         */
        public void addTrackView(Track track, int index) {
-               add(new MooTrackView(track), index);
+               ((GridLayout)trackPanel.getLayout()).setColumns(++numberOfTracks);
+               trackPanel.add(new MooTrackView(track), index);
                validate();
        }
 
@@ -63,6 +83,7 @@ public class MooView extends JScrollPane {
         */
        public void removeTrackView(int index) {
                remove(index);
+               ((GridLayout)trackPanel.getLayout()).setColumns(--numberOfTracks);
                validate();
        }
 }
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