/**
* This method should get called once every minute - it makes the clock display go one minute
* forward.
*/
public void timeTick() {
minutes.increment();
if (minutes.getValue() == 0) { // it just rolled over!
hours.increment();
}
updateDisplay();
}
/** Update the internal string that represents the display. */
private void updateDisplay() {
displayString =
(hours.getValue() != 0 ? hours.getDisplayValue() : "12")
+ ":"
+ minutes.getDisplayValue()
+ " "
+ (isAm ? "am" : "pm");
}
/** Set the time of the display to the specified hour and minute. */
public void setTime(int hour, int minute) {
hours.setValue(hour);
minutes.setValue(minute);
if (hours.getValue() < 1) {
setTime(12, minute);
}
if (hours.getValue() > 12) {
setTime(12, minute);
}
updateDisplay();
}
/**
* Constructor for ClockDisplay objects. This constructor creates a new clock set at the time
* specified by the parameters.
*/
public ClockDisplay(int hour, int minute) {
hours = new NumberDisplay(24);
minutes = new NumberDisplay(60);
setTime(hour, minute);
if (hours.getValue() > 12) {
setTime(12, minute);
}
if (hours.getValue() < 1) {
setTime(12, minute);
}
}
/** Set the time of the display to the specified hour and minute. */
public void setTime(int hour, int minute) {
hours.setValue(hour);
minutes.setValue(minute);
updateDisplay();
}
/** Update the internal string that represents the display. */
private void updateDisplay() {
displayString = hours.getDisplayValue() + ":" + minutes.getDisplayValue();
}
/** Set the time of the display to the specified hour and minute. */
public void setTime(int hour, int minute, boolean isAm) {
hours.setValue(hour);
minutes.setValue(minute);
this.isAm = isAm;
updateDisplay();
}
/** Constructor for ClockDisplay objects. This constructor creates a new clock set at 12:00. */
public ClockDisplay() {
hours = new NumberDisplay(24);
minutes = new NumberDisplay(60);
hours.setValue(12);
updateDisplay();
}
