JAL-1919 JAL-2177 handle empty pdbentries list correctly

[jalview.git] / src / jalview / appletgui / APopupMenu.java

diff --git a/src/jalview/appletgui/APopupMenu.java b/src/jalview/appletgui/APopupMenu.java
index 54b943d..2037ca0 100644 (file)
--- a/src/jalview/appletgui/APopupMenu.java
+++ b/src/jalview/appletgui/APopupMenu.java
@@ -1,6 +1,6 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9.0b2)
- * Copyright (C) 2015 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
@@ -892,9 +892,10 @@ public class APopupMenu extends java.awt.PopupMenu implements
 
   void addPDB()
   {
-    if (seq.getAllPDBEntries() != null)
+    Vector<PDBEntry> pdbs = seq.getAllPDBEntries();
+    if (pdbs != null&& !pdbs.isEmpty())
     {
-      PDBEntry entry = seq.getAllPDBEntries().firstElement();
+      PDBEntry entry = pdbs.firstElement();
 
       if (ap.av.applet.jmolAvailable)
       {