JAL-1793 spike branch updated to latest

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

diff --git a/src/jalview/gui/OverviewPanel.java b/src/jalview/gui/OverviewPanel.java
index 51d7a84..9ddb751 100755 (executable)
--- a/src/jalview/gui/OverviewPanel.java
+++ b/src/jalview/gui/OverviewPanel.java
@@ -40,8 +40,10 @@ import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseMotionAdapter;
 import java.beans.PropertyChangeEvent;
+import java.beans.PropertyVetoException;
 
 import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JInternalFrame;
 import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
 import javax.swing.SwingUtilities;
@@ -350,8 +352,22 @@ public class OverviewPanel extends JPanel
   {
     try
     {
-      av.getRanges().removePropertyChangeListener(this);
+      if (av != null)
+      {
+        av.getRanges().removePropertyChangeListener(this);
+      }
+
       oviewCanvas.dispose();
+
+      /*
+       * close the parent frame (which also removes it from the
+       * Desktop Windows menu)
+       */
+      ((JInternalFrame) SwingUtilities.getAncestorOfClass(
+              JInternalFrame.class, (this))).setClosed(true);
+    } catch (PropertyVetoException e)
+    {
+      // ignore
     } finally
     {
       progressPanel = null;