public void addSegmentVariation(LifeSegmentVariation type, double y, HtmlColor backcolor) {
if (events.size() > 0) {
final Variation last = events.get(events.size() - 1);
if (y < last.y) {
throw new IllegalArgumentException();
}
if (y == last.y && type != last.type) {
throw new IllegalArgumentException();
}
}
events.add(new Variation(type, y, backcolor));
final int currentLevel = type.apply(stairs.getLastValue());
stairs.addStep(y, currentLevel);
assert getLevel(y) == stairs.getValue(y);
assert currentLevel == stairs.getValue(y);
assert getLevel(y) == currentLevel;
maxLevel = Math.max(getLevel(y), maxLevel);
}
int getLevel(double y) {
// int level = 0;
// for (Variation ev : events) {
// if (ev.y > y) {
// return level;
// }
// if (ev.type == LifeSegmentVariation.LARGER) {
// level++;
// } else {
// level--;
// if (level < 0) {
// level = 0;
// }
// }
// }
// assert level >= 0;
// return level;
return stairs.getValue(y);
}