JAL-2491 first addition of new event

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

diff --git a/src/jalview/gui/AnnotationPanel.java b/src/jalview/gui/AnnotationPanel.java
index 84f3e6c..8dc168a 100755 (executable)
--- a/src/jalview/gui/AnnotationPanel.java
+++ b/src/jalview/gui/AnnotationPanel.java
@@ -29,6 +29,7 @@ import jalview.renderer.AwtRenderPanelI;
 import jalview.schemes.ResidueProperties;
 import jalview.util.Comparison;
 import jalview.util.MessageManager;
+import jalview.viewmodel.ViewportListenerI;
 
 import java.awt.AlphaComposite;
 import java.awt.Color;
@@ -49,6 +50,7 @@ import java.awt.event.MouseMotionListener;
 import java.awt.event.MouseWheelEvent;
 import java.awt.event.MouseWheelListener;
 import java.awt.image.BufferedImage;
+import java.beans.PropertyChangeEvent;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -69,7 +71,7 @@ import javax.swing.ToolTipManager;
  */
 public class AnnotationPanel extends JPanel implements AwtRenderPanelI,
         MouseListener, MouseWheelListener, MouseMotionListener,
-        ActionListener, AdjustmentListener, Scrollable
+        ActionListener, AdjustmentListener, Scrollable, ViewportListenerI
 {
   String HELIX = MessageManager.getString("label.helix");
 
@@ -155,6 +157,8 @@ public class AnnotationPanel extends JPanel implements AwtRenderPanelI,
     // and then set our own listener to consume all mousewheel events
     ap.annotationScroller.addMouseWheelListener(this);
     renderer = new AnnotationRenderer();
+
+    av.getRanges().addPropertyChangeListener(this);
   }
 
   public AnnotationPanel(AlignViewport av)
@@ -1156,4 +1160,15 @@ public class AnnotationPanel extends JPanel implements AwtRenderPanelI,
       renderer.dispose();
     }
   }
+
+  @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());
+    }
+  }
 }