/// <summary>
/// The enumerator implementation
/// </summary>
public override IEnumerator <View> GetEnumerator()
{
IViewResult result;
Random numgen = new Random();
int a, b;
RandomizedQueue <string> pres = new RandomizedQueue <string>();
RandomizedQueue <string> usedPres = new RandomizedQueue <string>();
pres.AddRange(presentation);
using (var logWriter = new StreamWriter(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "krmon_log_" + settings.SubjectName + "_" + DateTime.Now.ToString("MM dd yyyy H mm ss") + ".txt")))
using (var anslog = new StreamWriter(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "krmon_anslog_" + settings.SubjectName + "_" + DateTime.Now.ToString("MM dd yyyy H mm ss") + ".txt")))
using (var dataWriter = new StreamWriter(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "krmon_data_" + settings.SubjectName + "_" + DateTime.Now.ToString("MM dd yyyy H mm ss") + ".csv")))
{
//Alternating Study and Test Phases
for (int i = 0; i < settings.NumRounds; i++)
{
yield return(new ChoiceView(new string[]
{
"Start Study Phase"
}, out result)
{
Text = "Click When Ready"
});
while (pres.Count > 0)
{
var stimulus = pres.RemoveRandom();
yield return(new TextView(stimulus, this.settings.PresentationTime, GUIUtils.Constants.DISPLAY_FONT_LARGE));
yield return(new RestView(this.settings.RestTime));
usedPres.Add(stimulus);
}
pres.AddRange(usedPres);
usedPres.Clear();
a = numgen.Next(4, 13);
b = numgen.Next(4, 13);
yield return(new VocabView(string.Format("{0} x {1} = {2}", a, b, a * b), "Verify", settings.DisplayTime, settings.DelayTime, true, anslog, out result));
yield return(new ChoiceView(new string[]
{
"Start Test Phase"
}, out result)
{
Text = "Click When Ready"
});
var connected = true; // assume it's connected
using (var invoker = new SingleThreadedInvoker())
using (var connectionListener = new EEGDataListener(invoker, s => connected = true, null, s => connected = false))
{
// listen for a broken connection
this.dataSource.AddListener(connectionListener);
foreach (var view in this.GetViews(invoker, anslog, logWriter, dataWriter, i, pres))
{
if (connected)
{
yield return(view);
}
else
{
GUIUtils.Alert("Lost connection to headset!");
break;
}
}
this.dataSource.RemoveListener(connectionListener);
}
}
}
}