sclass ConceptsTable<A extends Concept> {
  JTable table;
  Concepts concepts;
  Class<A> conceptClass;
  Set<S> dropFields;
  IF1<L<A>> postProcess;
  Runnable afterUpdate;
  bool latestFirst;
  int idWidth = 50;
  IF1<A, Map> renderer;
  
  JTable getTable() {
    init();
    ret table;
  }
  
  void init {
    if (table != null) ret;
    if (concepts == null) concepts = db_mainConcepts();
    if (renderer == null) renderer = defaultConceptRendererForTable();
    table = sexyTable();
    temp tempSetTL(awtOnConceptChanges_concepts, concepts);
    awtOnConceptChanges(table, 1000, r update);
  }
  
  void update swing {
    new L<Map> data;
    for (A c : list(concepts, conceptClass))
      addIfNotNull(data, (Map) renderer.get(c));
    if (latestFirst) reverseInPlace(data);
    data = (L) postProcess(postProcess, data);
    dataToTable_uneditable(data, table);
    pcallF(afterUpdate);
  }
}