X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FPopupMenu.java;fp=src%2Fjalview%2Fgui%2FPopupMenu.java;h=bb816cd620589b1052324f4bb0379d40d2df38e5;hb=12b24413e1668c55c7c8661ee04bc7a7e84c8bc0;hp=b342f863821eda34eaa413951d811d32290a440b;hpb=e2a10c75f503d3f7e41c0de64e4c1e8ce8759cc9;p=jalview.git

diff --git a/src/jalview/gui/PopupMenu.java b/src/jalview/gui/PopupMenu.java
index b342f86..bb816cd 100644
--- a/src/jalview/gui/PopupMenu.java
+++ b/src/jalview/gui/PopupMenu.java
@@ -641,6 +641,16 @@ public class PopupMenu extends JPopupMenu
 
     addshowLinks(linkMenu, linkset.values());
 
+    // disable link menu if there are no valid entries
+    if (linkMenu.getItemCount() > 0)
+    {
+      linkMenu.setEnabled(true);
+    }
+    else
+    {
+      linkMenu.setEnabled(false);
+    }
+
     if (sequence != null)
     {
       sequenceMenu.add(linkMenu);
@@ -649,6 +659,7 @@ public class PopupMenu extends JPopupMenu
     {
       add(linkMenu);
     }
+
   }