JAL-2332 bugfix to enable structure chooser opening for hen lysozyme

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

diff --git a/src/jalview/gui/PopupMenu.java b/src/jalview/gui/PopupMenu.java
index a487fc7..bb816cd 100644 (file)
--- 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);
     }
+
   }
 
 
@@ -1969,7 +1980,7 @@ public class PopupMenu extends JPopupMenu
     if (conservationMenuItem.isSelected())
     {
       // JBPNote: Conservation name shouldn't be i18n translated
-      Conservation c = new Conservation("Group", 3, sg.getSequences(ap.av
+      Conservation c = new Conservation("Group", sg.getSequences(ap.av
               .getHiddenRepSequences()), sg.getStartRes(),
               sg.getEndRes() + 1);