Merge branch 'develop' into feature/JAL-2611
[jalview.git] / src / jalview / datamodel / HiddenSequences.java
index a57dc9c..32443d8 100755 (executable)
@@ -157,9 +157,10 @@ public class HiddenSequences
     int absAlignmentIndex = alignment.findIndex(sequence);
     int alignmentIndex = adjustForHiddenSeqs(absAlignmentIndex);
 
-    if (hiddenSequences[alignmentIndex] != null)
+    if (alignmentIndex < 0 || hiddenSequences[alignmentIndex] != null)
     {
       System.out.println("ERROR!!!!!!!!!!!");
+      return;
     }
 
     hiddenSequences[alignmentIndex] = sequence;
@@ -311,7 +312,7 @@ public class HiddenSequences
       return startRow - visibleDistance;
     }
 
-    int index = startRow;
+    int index = Math.min(startRow, hiddenSequences.length - 1);
     int count = 0;
     while ((index > -1) && (count < visibleDistance))
     {