hiddenSequences = new SequenceI[alignment.getHeight()];
}
- int alignmentIndex = alignment.findIndex(sequence);
- alignmentIndex = adjustForHiddenSeqs(alignmentIndex);
+ int absAlignmentIndex = alignment.findIndex(sequence);
+ int alignmentIndex = adjustForHiddenSeqs(absAlignmentIndex);
if (hiddenSequences[alignmentIndex] != null)
{
hiddenSequences[alignmentIndex] = sequence;
- alignment.deleteSequence(sequence);
+ alignment.deleteHiddenSequence(absAlignmentIndex);
}
public List<SequenceI> showAll(
return hiddenSequences == null ? null : hiddenSequences[alignmentIndex];
}
+ /**
+ * Convert absolute alignment index to visible alignment index
+ *
+ * @param alignmentIndex
+ * @return
+ */
public int findIndexWithoutHiddenSeqs(int alignmentIndex)
{
if (hiddenSequences == null)
}
int index = 0;
int hiddenSeqs = 0;
+ int diff = 0;
if (hiddenSequences.length <= alignmentIndex)
{
+ // if the alignmentIndex runs past the end of hidden sequences
+ // and therefore actually past the end of the alignment
+ // store the difference to add back on at the end, so that behaviour
+ // is consistent with hidden columns behaviour (used by overview panel)
+ diff = alignmentIndex - hiddenSequences.length + 1;
alignmentIndex = hiddenSequences.length - 1;
}
index++;
}
- return (alignmentIndex - hiddenSeqs);
+ return (alignmentIndex - hiddenSeqs + diff);
+ }
+
+ /**
+ * Find the visible row which is a given visible number of rows above another
+ * visible row. i.e. for a startRow x, the row which is distance 1 away will
+ * be row x-1.
+ *
+ * @param visibleDistance
+ * the number of visible rows to offset by
+ * @param startRow
+ * the row to start from
+ * @return the position of the row in the visible alignment
+ */
+ public int subtractVisibleRows(int visibleDistance, int startRow)
+ {
+ // walk upwards through the alignment
+ // count all the non-null sequences until we have visibleDistance counted
+ // then return the next visible sequence
+ if (hiddenSequences == null)
+ {
+ return startRow - visibleDistance;
+ }
+
+ int index = startRow;
+ int count = 0;
+ while ((index > -1) && (count < visibleDistance))
+ {
+ if (hiddenSequences[index] == null)
+ {
+ // count visible sequences
+ count++;
+ }
+ index--;
+ }
+ return index;
}
+ /**
+ * Convert alignment index from visible alignment to absolute alignment
+ *
+ * @param alignmentIndex
+ * @return
+ */
public int adjustForHiddenSeqs(int alignmentIndex)
{
if (hiddenSequences == null)