+ private void removeAnnotationForGroup(SequenceGroup gp)
+ {
+ if (annotations == null || annotations.length == 0)
+ {
+ return;
+ }
+ // remove annotation very quickly
+ AlignmentAnnotation[] t, todelete = new AlignmentAnnotation[annotations.length], tokeep = new AlignmentAnnotation[annotations.length];
+ int i, p, k;
+ if (gp == null)
+ {
+ for (i = 0, p = 0, k = 0; i < annotations.length; i++)
+ {
+ if (annotations[i].groupRef != null)
+ {
+ todelete[p++] = annotations[i];
+ }
+ else
+ {
+ tokeep[k++] = annotations[i];
+ }
+ }
+ }
+ else
+ {
+ for (i = 0, p = 0, k = 0; i < annotations.length; i++)
+ {
+ if (annotations[i].groupRef == gp)
+ {
+ todelete[p++] = annotations[i];
+ }
+ else
+ {
+ tokeep[k++] = annotations[i];
+ }
+ }
+ }
+ if (p > 0)
+ {
+ // clear out the group associated annotation.
+ for (i = 0; i < p; i++)
+ {
+ unhookAnnotation(todelete[i]);
+ todelete[i] = null;
+ }
+ t = new AlignmentAnnotation[k];
+ for (i = 0; i < k; i++)
+ {
+ t[i] = tokeep[i];
+ }
+ annotations = t;
+ }
+ }
+