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[moosique.git] / MooView.java

diff --git a/MooView.java b/MooView.java
index 5f8c15ea598acc356224cbd0b61897f1a197b6c1..b21cf29058850c885a58e89f33216dcc63cae30a 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);
@@ -29,12 +31,11 @@ public class MooView extends JScrollPane {
         */
        public void setTracks(Track[] tracks) {
                trackPanel.removeAll();
-               ((GridLayout)trackPanel.getLayout()).setColumns(tracks.length);
+               trackPanel.setLayout(new GridLayout(1,tracks.length));
                for (int i = 0; i < tracks.length; i++) {
                        trackPanel.add(new MooTrackView(tracks[i]));
                }
                trackPanel.validate();
-               validate();
        }
 
        /** 
@@ -43,7 +44,7 @@ public class MooView extends JScrollPane {
        public void update() {
                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 +54,8 @@ 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 +65,7 @@ public class MooView extends JScrollPane {
         */
        public void removeTrackView(int index) {
                remove(index);
+               ((GridLayout)trackPanel.getLayout()).setColumns(--numberOfTracks);
                validate();
        }
 }
\ No newline at end of file