private async Task intervalOrFixPoint(StroopProgram program, CancellationToken token)
{
try
{
int intervalTime = 400; // minimal rnd interval time
if (program.IntervalTimeRandom && program.IntervalTime > 400) // if rnd interval active, it will be a value between 400 and the defined interval time
{
Random random = new Random();
intervalTime = random.Next(400, program.IntervalTime);
}
else
{
intervalTime = program.IntervalTime;
}
if (program.FixPoint == "+" || program.FixPoint == "o")
{
ExpositionController.makingFixPoint(program.FixPoint, program.FixPointColor, this);
}
await Task.Delay(intervalTime);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
Close();
}
}
private int waitIntervalTime(bool isWaitTimeRandom, int waitTime)
{
int intervalTimeRandom = 200; // minimal rnd interval time
intervalCancelled = false;
// if random interval active, it will be a value between 200 and the defined interval time
if (isWaitTimeRandom && waitTime > 400)
{
Random random = new Random();
intervalTimeRandom = random.Next(400, waitTime);
}
else
{
intervalTimeRandom = waitTime;
}
Stopwatch intervalStopWatch = new Stopwatch();
intervalStopWatch.Start();
long interval = intervalTimeRandom;
if (Program.hasFixPoint(executingTest.ProgramInUse.FixPoint))
{
interval = intervalTimeRandom - fixPointTime;
}
while (intervalStopWatch.ElapsedMilliseconds < interval)
{
if (expositionBW.CancellationPending)
{
intervalCancelled = true;
break;
}
/* just wait for interval time to be finished */
}
ExpositionController.makingFixPoint(executingTest.ProgramInUse.FixPoint, executingTest.ProgramInUse.FixPointColor,
this);
if (Program.hasFixPoint(executingTest.ProgramInUse.FixPoint))
{
while (intervalStopWatch.ElapsedMilliseconds < intervalTimeRandom)
{
if (expositionBW.CancellationPending)
{
intervalCancelled = true;
break;
}
/* just wait for interval time to be finished */
}
}
intervalShouldBe = intervalTimeRandom;
intervalStopWatch.Stop();
int elapsedTime = (int)intervalStopWatch.ElapsedMilliseconds;
return(elapsedTime);
}
private void expositionBW_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (!cancelExposition)
{
// cleaning screen
if (ActiveForm != null)
{
this.CreateGraphics().Clear(ActiveForm.BackColor);
}
// if expositions type uses any kind of control to show stimulus such as a word label or image picture box
if (currentControl != null)
{
// if current control is enabled it means that just showed a stimulus
if (currentControl.Enabled)
{
// signaling to interval background worker that exposing must end and control must be removed from screen
exposing = false;
intervalBW.ReportProgress(50, currentControl);
}
}
ExpositionController.makingFixPoint(executingTest.ProgramInUse.FixPoint, executingTest.ProgramInUse.FixPointColor, this);
}
else
{
/*do nothing*/
}
if ((e.Cancelled == true) && !intervalCancelled)
{
/* user clicked after stimulus is shown*/
executingTest.writeLineOutput(intervalElapsedTime, intervalShouldBe, hitStopWatch.ElapsedMilliseconds,
currentExposition + 1, expositionAccumulative, currentLists, currentStimuli, currentPositionOutput, currentBeep, currentColor);
}
else if ((e.Cancelled == true) && intervalCancelled)
{
/* user clicked before stimulus is shown*/
executingTest.writeLineOutput(intervalElapsedTime, intervalShouldBe, intervalElapsedTime - intervalShouldBe,
currentExposition + 1, expositionAccumulative, currentLists, currentStimuli, currentPositionOutput, currentBeep, currentColor);
}
else
{
/* user missed stimulus */
executingTest.CurrentResponse = "NA";
executingTest.writeLineOutput(intervalElapsedTime, intervalShouldBe, 0, currentExposition + 1, expositionAccumulative, currentLists, currentStimuli,
currentPositionOutput, currentBeep, currentColor);
hitStopWatch.Stop();
}
expositionBW.Dispose();
}
private void intervalBW_DoWork(object sender, DoWorkEventArgs e)
{
executingTest.InitialDate = DateTime.Now;
accumulativeStopWatch.Start();
for (int counter = 0; counter < executingTest.ProgramInUse.NumExpositions && !cancelExposition; counter++)
{
ExpositionController.makingFixPoint(executingTest.ProgramInUse.FixPoint, executingTest.ProgramInUse.FixPointColor,
this);
currentExposition = counter;
//preparing execution
expositionBackground();
while (expositionBW.IsBusy)
{
/* wait for exposition to be finished */
}
Thread.Sleep(1);
}
}