getVisibleLevels method

List<Level> getVisibleLevels()

Implementation

List<Level> getVisibleLevels() {
  final visible = <Level>[];
  if (level1) visible.add(Level.one);
  if (level2) visible.add(Level.two);
  if (level3) visible.add(Level.three);
  if (level4) visible.add(Level.four);
  if (placeholder1) visible.add(Level.placeholderOne);
  if (placeholder2) visible.add(Level.placeholderTwo);
  if (placeholder3) visible.add(Level.placeholderThree);
  return visible;
}