message: add support for sequence numbers in coarse units
diff: @@ -11,7 +11,7 @@ import { Interactivity } from '../../util/interactivity';
  import { MarkerAction } from '../../../mol-util/marker-action';
  import { ButtonsType, ModifiersKeys, getButtons, getModifiers } from '../../../mol-util/input/input-observer';
  import { SequenceWrapper } from './wrapper';
  -import { StructureElement, StructureProperties } from '../../../mol-model/structure';
  +import { StructureElement, StructureProperties, Unit } from '../../../mol-model/structure';
  import { Subject } from 'rxjs';
  import { debounceTime } from 'rxjs/operators';
  import { Color } from '../../../mol-util/color';
  @@ -131,9 +131,13 @@ export class Sequence<P extends SequenceProps> extends PluginUIComponent<P> {
  const loci = this.props.sequenceWrapper.getLoci(seqIdx)
  const l = StructureElement.Loci.getFirstLocation(loci, this.location);
  if (l) {
  + if (Unit.isAtomic(l.unit)) {
  const seqId = StructureProperties.residue.auth_seq_id(l)
  const insCode = StructureProperties.residue.pdbx_PDB_ins_code(l)
  sequenceNumber = `${seqId}${insCode ? insCode : ''}`
  + } else if (Unit.isCoarse(l.unit)) {
  + sequenceNumber = `${seqIdx + 1}`
  + }
  }
  return <span key={`marker-${seqIdx}`} className={this.getSequenceNumberClass(seqIdx, label)}>{this.padSeqNum(sequenceNumber)}</span>
  }
  