X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FJvSwingUtils.java;h=9573e1facc94d6dcf50065cb7bd8140efd286659;hb=0f368572e180ae64ad32158e80c46ca5a6acef96;hp=2650eaef6b765338c2a67c1f101e9f1ec964b183;hpb=3bb3bf052916ca69a915a48324a122b0e3f20651;p=jalview.git

diff --git a/src/jalview/gui/JvSwingUtils.java b/src/jalview/gui/JvSwingUtils.java
index 2650eae..9573e1f 100644
--- a/src/jalview/gui/JvSwingUtils.java
+++ b/src/jalview/gui/JvSwingUtils.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
  * 
  * This file is part of Jalview.
  * 
@@ -26,6 +26,7 @@ import javax.swing.JButton;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JMenu;
+import javax.swing.JMenuItem;
 import javax.swing.JPanel;
 import javax.swing.JTextArea;
 import javax.swing.SwingConstants;
@@ -171,4 +172,23 @@ public final class JvSwingUtils
     return getLabelFont(false,false);
   }
 
+  /**
+   * clean up a swing menu. 
+   * Removes any empty submenus without selection listeners.
+   * @param webService
+   */
+  public static void cleanMenu(JMenu webService)
+  {
+    for (int i=0;i<webService.getItemCount(); )
+    {
+      JMenuItem item = webService.getItem(i);
+      if (item instanceof JMenu && ((JMenu)item).getItemCount()==0)
+      {
+        webService.remove(i);
+      } else {
+        i++;
+      }
+    }
+  }
+
 }