JAL-2591 simplifying hidden columns usage

[jalview.git] / src / jalview / appletgui / ScalePanel.java

diff --git a/src/jalview/appletgui/ScalePanel.java b/src/jalview/appletgui/ScalePanel.java
index 22b4e3a..7ead681 100755 (executable)
--- a/src/jalview/appletgui/ScalePanel.java
+++ b/src/jalview/appletgui/ScalePanel.java
@@ -26,6 +26,7 @@ import jalview.datamodel.SequenceGroup;
 import jalview.renderer.ScaleRenderer;
 import jalview.renderer.ScaleRenderer.ScaleMark;
 import jalview.util.MessageManager;
+import jalview.viewmodel.ViewportListenerI;
 
 import java.awt.Color;
 import java.awt.FontMetrics;
@@ -39,10 +40,11 @@ import java.awt.event.InputEvent;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.event.MouseMotionListener;
+import java.beans.PropertyChangeEvent;
 import java.util.List;
 
 public class ScalePanel extends Panel implements MouseMotionListener,
-        MouseListener
+        MouseListener, ViewportListenerI
 {
 
   protected int offy = 4;
@@ -72,6 +74,7 @@ public class ScalePanel extends Panel implements MouseMotionListener,
     addMouseListener(this);
     addMouseMotionListener(this);
 
+    av.getRanges().addPropertyChangeListener(this);
   }
 
   @Override
@@ -334,8 +337,7 @@ public class ScalePanel extends Panel implements MouseMotionListener,
     res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
 
     reveal = null;
-    for (int[] region : av.getAlignment().getHiddenColumns()
-            .getHiddenRegions())
+    for (int[] region : av.getAlignment().getHiddenColumns())
     {
       if (res + 1 == region[0] || res - 1 == region[1])
       {
@@ -466,4 +468,11 @@ public class ScalePanel extends Panel implements MouseMotionListener,
     }
   }
 
+  @Override
+  public void propertyChange(PropertyChangeEvent evt)
+  {
+    // Respond to viewport change events (e.g. alignment panel was scrolled)
+    repaint();
+  }
+
 }