private void ProcessAnswer(char c)
{
eyeTracker.StopTracking();
eyeTracker.SaveTracking(localTrackingFile);
eyeTracker.ClearTracking();
foreach (Slide_Choice sc in slides[slideNum].Slide_Choice)
{
if (sc.shortcut.Contains(c))
{
Slide_Answer sa = new Slide_Answer();
sa.Slide_Choice = sc;
sa.Slide = slides[slideNum];
sa.slide_start_time = slideStart;
sa.slide_end_time = DateTime.Now;
sa.Test = Test;
Test.Slide_Answer.Add(sa);
break;
}
}
if (!NextSlide())
{
FinishExperiment();
}
}
public int Read(String filePath, bool mergeReplace)
{
if (!File.Exists(filePath))
{
return((int)ReturnCodes.FileNotFound);
}
String fileExtension = Path.GetExtension(filePath);
if (!fileExtension.ToUpper().Equals(".TXT") && !fileExtension.ToUpper().Equals(".IDF"))
{
return((int)ReturnCodes.WrongFileExtension);
}
String fileName = Path.GetFileNameWithoutExtension(filePath);
String[] nameParts = fileName.Split('-');
if (nameParts.Count() != 3)
{
return((int)ReturnCodes.MalformedFileName);
}
if (!nameParts[0].Equals(Test.Candidate.personal_code))
{
return((int)ReturnCodes.WrongCandidate);
}
int testId = int.Parse(nameParts[1]);
if (Test == null)
{
Test = db.Tests.FirstOrDefault(t => t.id == testId);
}
if (Test.id != testId)
{
return((int)ReturnCodes.WrongTest);
}
int slideNum = int.Parse(nameParts[2]);
Slide_Answer slideAnswer = Test.Slide_Answer.FirstOrDefault(sa => sa.Slide.num == slideNum);
if (slideAnswer == null)
{
return((int)ReturnCodes.MalformedFileName);
}
if (db.Tracking.FirstOrDefault(t => t.test_id == Test.id && t.slide_id == slideAnswer.slide_id) != null)
{
if (mergeReplace)
{
db.SaveChanges();
db.Database.ExecuteSqlCommand("delete from tracking where test_id = {0} and slide_id = {1}", Test.id, slideAnswer.slide_id);
}
else
{
return((int)ReturnCodes.DataPresent);
}
}
FileStream stream = new FileStream(filePath, FileMode.Open);
if (filePath.ToUpper().EndsWith(".IDF"))
{
return(ReadIdf(stream, slideAnswer));
}
else if (filePath.ToUpper().EndsWith(".TXT"))
{
return(ReadTxt(stream, slideAnswer));
}
else
{
return((int)ReturnCodes.WrongFileExtension);
}
}
public int ReadTxt(FileStream stream, Slide_Answer slideAnswer)
{
int numWritten = 0;
StreamReader sr = new StreamReader(stream);
String line;
long timeOffset = -1;
while (!sr.EndOfStream && (line = sr.ReadLine()).StartsWith("##"))
{
;
}
NumberFormatInfo formatter = (NumberFormatInfo)NumberFormatInfo.CurrentInfo.Clone();
formatter.NumberDecimalSeparator = ".";
formatter.NumberGroupSeparator = ",";
while (!sr.EndOfStream)
{
line = sr.ReadLine();
String[] lineParts = line.Split((char)9);
if (lineParts.Count() != 13)
{
continue;
}
long time = long.Parse(lineParts[0]);
if (timeOffset < 0)
{
timeOffset = time;
time = 0;
}
else
{
time -= timeOffset;
}
Tracking tracking = new Tracking();
tracking.occurred = slideAnswer.slide_start_time.Value.AddSeconds(time / 1000000.0);
tracking.x = Decimal.Parse(lineParts[3], formatter);
tracking.y = Decimal.Parse(lineParts[4], formatter);
tracking.dia_x = Decimal.Parse(lineParts[5], formatter);
tracking.dia_y = Decimal.Parse(lineParts[6], formatter);
tracking.cr_x = Decimal.Parse(lineParts[7], formatter);
tracking.cr_y = Decimal.Parse(lineParts[8], formatter);
tracking.por_x = Decimal.Parse(lineParts[9], formatter);
tracking.por_y = Decimal.Parse(lineParts[10], formatter);
tracking.timing = int.Parse(lineParts[11]);
tracking.trigger = int.Parse(lineParts[12]);
tracking.Slide = slideAnswer.Slide;
tracking.Test = Test;
Test.Tracking.Add(tracking);
numWritten++;
}
db.Tracking.AddRange(Test.Tracking);
db.SaveChanges();
Test.Tracking.Clear();
return(numWritten);
}
public int ReadIdf(FileStream stream, Slide_Answer slideAnswer)
{
int numWritten = 0;
IdfFile idfFile = new IdfFile(stream);
int result = idfFile.readHeader();
IdfData data = new IdfData();
long time;
long timeOffset = -1;
List <Tracking> trackings = new List <Tracking>();
Tracking tracking = null;
for (int rec = 0; rec < idfFile.Count(); rec++)
{
result = idfFile.readData(rec, ref data);
if (result < 0)
{
Console.WriteLine("Record {0}; Non SMP marker encountered ", rec);
}
if (data.rPupX < 0.0 || data.rPupX > 300.0)
{
Console.WriteLine("Record {0}: rPupX value {1} outside expected range", rec, data.rPupX);
}
if (data.rPupY < 0.0 || data.rPupX > 300.0)
{
Console.WriteLine("Record {0}: rPupX value {1} outside expected range", rec, data.rPupX);
}
if (data.rPupDX < 0.0 || data.rPupDX > 15.0)
{
Console.WriteLine("Record {0}: rPupDX value {1} outside expected range", rec, data.rPupX);
}
if (data.rPupDX < 0.0 || data.rPupDX > 15.0)
{
Console.WriteLine("Record {0}: rPupDX value {1} outside expected range", rec, data.rPupX);
}
if (timeOffset < 0)
{
timeOffset = data.time;
}
time = data.time - timeOffset;
DateTime occurred = slideAnswer.slide_start_time.Value.AddSeconds(time / 1000000.0);
if (tracking == null || !tracking.occurred.Equals(occurred))
{
tracking = new Tracking();
tracking.occurred = slideAnswer.slide_start_time.Value.AddSeconds(time / 1000000.0);
tracking.x = (decimal)data.rPupX;
tracking.y = (decimal)data.rPupY;
tracking.dia_x = (decimal)data.rPupDX;
tracking.dia_y = (decimal)data.rPupDY;
tracking.cr_x = (decimal)data.rCr0X;
tracking.cr_y = (decimal)data.rCr0Y;
tracking.por_x = (decimal)data.rGX;
tracking.por_y = (decimal)data.rGY;
tracking.timing = 0;
tracking.trigger = 0;
tracking.Slide = slideAnswer.Slide;
tracking.Test = slideAnswer.Test;
trackings.Add(tracking);
numWritten++;
}
}
db.Tracking.AddRange(trackings);
db.SaveChanges();
return(numWritten);
}
private void ScanForMissingTracking(String path, List <LoadFilesArgument> args)
{
LoggingStatus.PostMessage(Severity.Info, String.Format("Scanning files in {0}...", path));
try
{
foreach (String filePath in Directory.GetFiles(path))
{
String fileName = Path.GetFileNameWithoutExtension(filePath);
String extension = Path.GetExtension(filePath);
if (!extension.ToUpper().Equals(".TXT") && !extension.ToUpper().Equals(".IDF"))
{
continue;
}
String[] nameParts = fileName.Split('-');
if (nameParts.Count() != 3)
{
continue;
}
if (nameParts[0].Length != 10)
{
continue;
}
int slideNum = -1;
int testId = -1;
if (!int.TryParse(nameParts[1], out testId) || !int.TryParse(nameParts[2], out slideNum))
{
continue;
}
Test test = db.Tests.FirstOrDefault(t => t.id == testId);
if (test == null)
{
LoggingStatus.PostMessage(Severity.Warning, String.Format("Encountered file {0} but could not find corresponding test.", fileName + extension));
continue;
}
Slide_Answer slideAnswer = test.Slide_Answer.FirstOrDefault(sa => sa.Slide.num == slideNum);
if (slideAnswer == null)
{
LoggingStatus.PostMessage(Severity.Warning, String.Format("Encountered file {0} but could not find corresponding answer for slide {1} in test.", fileName + extension, slideNum));
continue;
}
LoadFilesArgument arg = args.FirstOrDefault(a => a.test.id == test.id);
if (arg == null)
{
arg = new LoadFilesArgument()
{
test = test, mergeReplace = false
};
args.Add(arg);
}
arg.fileNames.Add(filePath);
}
}
catch (System.UnauthorizedAccessException)
{ }
try
{
foreach (String subDir in Directory.GetDirectories(path))
{
ScanForMissingTracking(subDir, args);
}
}
catch (System.UnauthorizedAccessException)
{ }
}
