ecmascript:

//  inputOnly events are handled by functions,
//  initializeOnly fields are variable objects,
//  outputOnly events are handled by setting values

function initialize ()
{
	priorDelayInterval = LocalTimeDelayClock.cycleInterval;
	tracePrint ('initial delayInterval=' + priorDelayInterval + ' seconds');
}
function tracePrint (outputString)
{
	if (traceEnabled) Browser.println ('[TimeDelaySensor] ' + outputString);
}
function set_description (newDescription)
{
    description = newDescription;
}
function set_fraction (currentFraction, timestamp)  // from LocalTimeDelayClock
{
	if (priorDelayInterval != LocalTimeDelayClock.cycleInterval)
	{
		priorDelayInterval = LocalTimeDelayClock.cycleInterval;
		tracePrint ('changed delayInterval=' + priorDelayInterval + ' seconds');
	}
	if (!delayStarted)
	{
		delayStarted = true;
		tracePrint ('delay start time=' + timestamp);
	}
	tracePrint ('set_fraction=' + currentFraction);
	if (currentFraction >= 1.0)
	{
		delayCompleteTime = timestamp;  // send output event
		tracePrint ('delayCompleteTime=' + delayCompleteTime);
		delayStarted = false;
	}
}