JAL-2491 First port to applet

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

diff --git a/src/jalview/appletgui/AnnotationPanel.java b/src/jalview/appletgui/AnnotationPanel.java
index 0ec7adf..cf7f51e 100755 (executable)
--- a/src/jalview/appletgui/AnnotationPanel.java
+++ b/src/jalview/appletgui/AnnotationPanel.java
@@ -29,6 +29,7 @@ import jalview.schemes.ResidueProperties;
 import jalview.util.Comparison;
 import jalview.util.MessageManager;
 import jalview.util.Platform;
+import jalview.viewmodel.ViewportListenerI;
 
 import java.awt.Color;
 import java.awt.Dimension;
@@ -47,10 +48,11 @@ import java.awt.event.InputEvent;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.event.MouseMotionListener;
+import java.beans.PropertyChangeEvent;
 
 public class AnnotationPanel extends Panel implements AwtRenderPanelI,
         AdjustmentListener, ActionListener, MouseListener,
-        MouseMotionListener
+        MouseMotionListener, ViewportListenerI
 {
   AlignViewport av;
 
@@ -122,6 +124,7 @@ public class AnnotationPanel extends Panel implements AwtRenderPanelI,
   {
     this.av = av;
     renderer = new AnnotationRenderer();
+    av.getRanges().addPropertyChangeListener(this);
   }
 
   @Override
@@ -749,4 +752,15 @@ public class AnnotationPanel extends Panel implements AwtRenderPanelI,
       return null;
     }
   }
+
+  @Override
+  public void propertyChange(PropertyChangeEvent evt)
+  {
+    // Respond to viewport range changes (e.g. alignment panel was scrolled)
+    if (evt.getPropertyName().equals("startres")
+            || evt.getPropertyName().equals("endres"))
+    {
+      fastPaint((int) evt.getNewValue() - (int) evt.getOldValue());
+    }
+  }
 }