no message

[moosique.git] / MooView.java

diff --git a/MooView.java b/MooView.java
index 4f36de3ce0a5d06e20b894cdfbac6d6035579a4f..3f088bd5930f801d27e5adfafb3efa4b1ed0f256 100644 (file)
--- a/MooView.java
+++ b/MooView.java
@@ -11,61 +11,79 @@ import java.awt.event.*;
 
 public class MooView extends JScrollPane {
 
-       private Track[] tracks;
-       private MooTrackView[] trackViews;
        private JPanel trackPanel;
+       private int numberOfTracks;
 
        /** 
         * Creates the main view
         */
-       public MooView(Sequence seq) {
+       public MooView(Track[] tracks) {
                super(VERTICAL_SCROLLBAR_ALWAYS, HORIZONTAL_SCROLLBAR_AS_NEEDED);
-               tracks = seq.getTracks();
-
-
+               numberOfTracks = tracks.length;
                trackPanel = new JPanel(new GridLayout(1,3), true);
-               createTrackViews();
+               setTracks(tracks);
                setViewportView(trackPanel);
        }
 
        /** 
         * Fills the track panel with track views for all tracks in the current sequence.
+        * @param tracks        the tracks for which to add views
         */
-       private void createTrackViews() {
-               trackPanel.removeAll();
-               ((GridLayout)trackPanel.getLayout()).setColumns(tracks.length);
-               trackViews = new MooTrackView[tracks.length];
-               for (int i = 0; i < tracks.length; i++) {
-                       trackViews[i] = new MooTrackView(tracks[i]);
-                       trackPanel.add(new MooTrackView(tracks[i]));
+       public void setTracks(Track[] tracks) {
+               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();
        }
 
-       public void setSequence(Sequence seq) {
-               tracks = seq.getTracks();
-               createTrackViews();
-       }
-
+       /** 
+        * Calls on each track view to update itself.
+        */
        public void update() {
-               // Calls on each track view to update itself.
-               for (int i = 0; i < trackViews.length; i++) {
-                       //trackViews[i].update();
+               Component[] comps = getComponents();
+               for (int i = 0; i < comps.length; i++) {
+                       if(comps[i] instanceof MooTrackView) ((MooTrackView)comps[i]).update();
                }
        }
+
        /** 
         * Creates a view for the given track and adds it to the main view.
         * @param track         the track for which to add a view
+        * @param index         the index at which to insert the view
         */
-       public void addTrackView(Track track) {
-               
+       public void addTrackView(Track track, int index) {
+               ((GridLayout)trackPanel.getLayout()).setColumns(++numberOfTracks);
+               trackPanel.add(new MooTrackView(track), index);
+               validate();
        }
 
        /** 
         * Removes the view for the given track.
-        * @param track         the track for which to remove the view
+        * @param index         the index of the track for which to remove the view
         */
-       public void removeTrackView(Track track) {
-               
+       public void removeTrackView(int index) {
+               remove(index);
+               ((GridLayout)trackPanel.getLayout()).setColumns(--numberOfTracks);
+               validate();
        }
-}
+}
\ No newline at end of file