JAL-2045 JAL-2047 improvement for sorting PDB quality measure numerically, and improv...
[jalview.git] / src / jalview / jbgui / GStructureChooser.java
index efc3062..8430557 100644 (file)
@@ -169,6 +169,10 @@ public abstract class GStructureChooser extends JPanel implements
 
       try
       {
+        if (getValueAt(rowIndex, colIndex) == null)
+        {
+          return null;
+        }
         toolTipText = getValueAt(rowIndex, colIndex).toString();
       } catch (Exception e)
       {