+
+ /**
+ * Answers if a sequence is hidden
+ *
+ * @param seq
+ * (absolute) index to test
+ * @return true if sequence at index seq is hidden
+ */
+ public boolean isHidden(int seq)
+ {
+ if (hiddenSequences != null)
+ {
+ return (hiddenSequences[seq] != null);
+ }
+ return false;
+ }