public void updatePosition(long startFromMinutes, long durationInMinutes) {
if (startFromMinutes < 0) {
startFromMinutes = 0;
}
top = weekGrid.getPixelTopFor((int) startFromMinutes);
getElement().getStyle().setTop(top, Unit.PX);
if (durationInMinutes > 0) {
int heightMinutes =
weekGrid.getPixelLengthFor((int) startFromMinutes, (int) durationInMinutes);
setHeight(heightMinutes);
} else {
setHeight(-1);
}
boolean multiRowCaption = (durationInMinutes > 30);
updateCaptions(multiRowCaption);
}
