/// <summary>
/// The <see cref="PresenterModule.TrialChanged"/> event handler.
/// Stores the trial information into the database
/// and updates the live viewer with the new slide.
/// </summary>
/// <param name="sender">
/// Source of the event.
/// </param>
/// <param name="e">
/// A <see cref="TrialChangedEventArgs"/> with the event data.
/// </param>
private void ObjPresenterTrialChanged(object sender, TrialChangedEventArgs e)
{
// Set time critical values
long currentTime = this.counterChangedTime;
this.xScrollOffset = 0;
this.yScrollOffset = 0;
// If the last trial was a disabled trial (PreFixationSlide)
// Only update start times
if (e.FinishedTrial[e.FinishedTrial.Count - 1].IsDisabled)
{
// Update new trial
this.currentTrialStarttime = currentTime - this.recordingStarttime;
if (this.chbRecordAudio.Checked || this.chbRecordVideo.Checked)
{
this.currentTrialVideoStartTime = e.WebcamTime;
}
this.Invoke(this.delegateNewSlideAvailable);
return;
}
if (e.FinishedTrial.Name != "DummyTrial")
{
// Update current trial
this.precedingTrial = e.FinishedTrial;
// When rawData list exceeds sample limit or this was the last trial
// write the samples into the database
if (this.rawDataLists[this.listCounter].Count > MINSAMPLESFORWRITINGTODATABASE || e.NextTrial == null)
{
// Stop recording if this was the last trial or cancelled
if (e.NextTrial == null)
{
// Stop tracking
this.currentTracker.Stop();
// Give the presentation thread time to close.
Application.DoEvents();
}
// switch to next raw data list for writing
lock (this)
{
// Save copy to dataset table in new thread
AsyncHelper.FireAndForget(
new WaitCallback(StoreRecordsInDataSetTable),
new DataToTable(this.rawDataLists[this.listCounter], this.subjectRawDataTable));
// Clear list, cause its content was copied during creation of DataToTable
this.rawDataLists[this.listCounter].Clear();
this.listCounter++;
if (this.listCounter == NUMWRITINGTHREADS)
{
this.listCounter = 0;
}
}
}
// Write new trial information
var trialData = new TrialsData
{
SubjectName = this.currentTracker.Subject.SubjectName,
TrialName = this.precedingTrial.Name,
TrialSequence = this.trialSequenceCounter - 1,
TrialID = this.precedingTrial.ID,
Category = this.precedingTrial[0].Category,
TrialStartTime = this.currentTrialStarttime,
Duration =
(int)(currentTime - this.recordingStarttime - this.currentTrialStarttime)
};
if (this.trialSequenceCounter > 0)
{
this.trialDataList.Add(trialData);
}
// Store usercam start event if applicable
if (this.chbRecordAudio.Checked || this.chbRecordVideo.Checked)
{
var usercamVideoEvent = new MediaEvent
{
EventID = this.trialEventList.Count,
Param = this.currentTrialVideoStartTime.ToString(CultureInfo.InvariantCulture),
Task = MediaEventTask.Start,
Time = 0,
Type = EventType.Usercam,
SubjectName = this.currentTracker.Subject.SubjectName,
TrialSequence = this.trialSequenceCounter - 1
};
if (this.trialSequenceCounter > 0)
{
this.trialEventList.Add(usercamVideoEvent);
}
}
// Store subjects response event
var inputEvent = new InputEvent
{
EventID = this.trialEventList.Count,
SubjectName = this.currentTracker.Subject.SubjectName,
Task = InputEventTask.SlideChange,
Time = trialData.Duration,
TrialSequence = this.trialSequenceCounter - 1,
Type = EventType.Response
};
if (e.Response != null)
{
inputEvent.Param = e.Response.ToString();
}
if (this.trialSequenceCounter >= 0)
{
this.trialEventList.Add(inputEvent);
}
}
// Update new trial
this.currentTrialStarttime = currentTime - this.recordingStarttime;
if (this.chbRecordAudio.Checked || this.chbRecordVideo.Checked)
{
this.currentTrialVideoStartTime = e.WebcamTime;
}
// Update recorder modules viewer
var updateLiveViewerThread = new Thread(this.NewSlideAvailable);
updateLiveViewerThread.SetApartmentState(ApartmentState.STA);
updateLiveViewerThread.Start();
}
///////////////////////////////////////////////////////////////////////////////
// Eventhandler //
///////////////////////////////////////////////////////////////////////////////
#region EVENTS
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for UI, Menu, Buttons, Toolbars etc. //
///////////////////////////////////////////////////////////////////////////////
#region WINDOWSEVENTHANDLER
#endregion //WINDOWSEVENTHANDLER
///////////////////////////////////////////////////////////////////////////////
// Eventhandler for Custom Defined Events //
///////////////////////////////////////////////////////////////////////////////
#region CUSTOMEVENTHANDLER
#endregion //CUSTOMEVENTHANDLER
#endregion //EVENTS
///////////////////////////////////////////////////////////////////////////////
// Methods and Eventhandling for Background tasks //
///////////////////////////////////////////////////////////////////////////////
#region BACKGROUNDWORKER
#endregion //BACKGROUNDWORKER
///////////////////////////////////////////////////////////////////////////////
// Inherited methods //
///////////////////////////////////////////////////////////////////////////////
#region OVERRIDES
#endregion //OVERRIDES
///////////////////////////////////////////////////////////////////////////////
// Methods for doing main class job //
///////////////////////////////////////////////////////////////////////////////
#region METHODS
/// <summary>
/// Generate all the lists of subject, trial and raw data.
/// </summary>
/// <remarks>This is the heart of the class. If something does not work as expected,
/// first have a look here.</remarks>
private static void GenerateSubjectTrialRawdataList()
{
rawDataList.Clear();
trialList.Clear();
subjectList.Clear();
trialEventsList.Clear();
// Use the decimal separator specified.
NumberFormatInfo nfi = CultureInfo.GetCultureInfo("en-US").NumberFormat;
if (asciiSettings.DecimalSeparatorCharacter == ',')
{
nfi = CultureInfo.GetCultureInfo("de-DE").NumberFormat;
}
// Begin reading File
string lastSubject = string.Empty;
int lastTrialID = -5;
string line = string.Empty;
int counter = 0;
try
{
// Open file
using (StreamReader importReader = new StreamReader(asciiSettings.Filename))
{
string[] columns;
Dictionary<string, int> columnNames = new Dictionary<string, int>();
// Read every line of ImportFile
while ((line = importReader.ReadLine()) != null)
{
// ignore empty lines
if (line.Trim() == string.Empty)
{
continue;
}
// Ignore Quotes
if (line.StartsWith("#"))
{
continue;
}
// Skip first line filled with column titles
if (counter == 0)
{
columns = line.Split('\t');
for (int i = 0; i < columns.Length; i++)
{
columnNames.Add(columns[i], i);
}
counter++;
continue;
}
// Split line in columns
string[] items = line.Split('\t');
// read subjects data
string subjectName = items[columnNames["SubjectName"]];
if (subjectName != lastSubject)
{
SubjectsData newSubjectData = new SubjectsData();
newSubjectData.SubjectName = subjectName;
newSubjectData.Category = items[columnNames["SubjectCategory"]];
int result;
if (int.TryParse(items[columnNames["Age"]], out result))
{
newSubjectData.Age = result;
}
newSubjectData.Sex = items[columnNames["Sex"]];
newSubjectData.Handedness = items[columnNames["Handedness"]];
newSubjectData.Comments = items[columnNames["Comments"]];
if (!subjectList.Contains(newSubjectData))
{
subjectList.Add(newSubjectData);
}
lastSubject = subjectName;
}
// read trials data
int trialID = Convert.ToInt32(items[columnNames["TrialID"]]);
if (trialID != lastTrialID)
{
TrialsData newTrialsData = new TrialsData();
newTrialsData.SubjectName = subjectName;
newTrialsData.TrialID = trialID;
newTrialsData.TrialName = items[columnNames["TrialName"]];
newTrialsData.TrialSequence = Convert.ToInt32(items[columnNames["TrialSequence"]]);
newTrialsData.Category = items[columnNames["TrialCategory"]];
newTrialsData.TrialStartTime = Convert.ToInt64(items[columnNames["TrialStartTime"]]);
int result;
if (int.TryParse(items[columnNames["Duration"]], out result))
{
newTrialsData.Duration = result;
}
if (items[columnNames["EliminateData"]] != string.Empty)
{
newTrialsData.EliminateData = true;
}
if (!trialList.Contains(newTrialsData))
{
trialList.Add(newTrialsData);
}
lastTrialID = trialID;
}
// read trials data
string eventeventID = items[columnNames["EventEventID"]];
if (eventeventID != string.Empty)
{
TrialEventsData newTrialEventsData = new TrialEventsData();
newTrialEventsData.EventID = Convert.ToInt32(items[columnNames["EventEventID"]]);
newTrialEventsData.EventParam = items[columnNames["EventParam"]];
newTrialEventsData.EventTask = items[columnNames["EventTask"]];
newTrialEventsData.EventTime = Convert.ToInt64(items[columnNames["EventTime"]]);
newTrialEventsData.EventType = items[columnNames["EventType"]];
newTrialEventsData.SubjectName = subjectName;
newTrialEventsData.TrialSequence = Convert.ToInt32(items[columnNames["TrialSequence"]]);
if (!trialEventsList.Contains(newTrialEventsData))
{
trialEventsList.Add(newTrialEventsData);
}
}
// Create Ogama columns placeholder
RawData newRawData = new RawData();
// Save time value
newRawData.Time = Convert.ToInt64(items[columnNames["Time"]]);
newRawData.SubjectName = subjectName;
newRawData.TrialSequence = Convert.ToInt32(items[columnNames["TrialSequence"]]);
newRawData.Category = items[columnNames["TrialCategory"]];
if (items[columnNames["PupilDiaX"]] != string.Empty)
{
newRawData.PupilDiaX = Convert.ToSingle(items[columnNames["PupilDiaX"]], nfi);
}
if (items[columnNames["PupilDiaY"]] != string.Empty)
{
newRawData.PupilDiaY = Convert.ToSingle(items[columnNames["PupilDiaY"]], nfi);
}
if (items[columnNames["GazePosX"]] != string.Empty)
{
newRawData.GazePosX = Convert.ToSingle(items[columnNames["GazePosX"]], nfi);
}
if (items[columnNames["GazePosY"]] != string.Empty)
{
newRawData.GazePosY = Convert.ToSingle(items[columnNames["GazePosY"]], nfi);
}
if (items[columnNames["MousePosX"]] != string.Empty)
{
newRawData.MousePosX = Convert.ToSingle(items[columnNames["MousePosX"]], nfi);
}
if (items[columnNames["MousePosY"]] != string.Empty)
{
newRawData.MousePosY = Convert.ToSingle(items[columnNames["MousePosY"]], nfi);
}
if (items[columnNames["EventID"]] != string.Empty)
{
newRawData.EventID = Convert.ToInt32(items[columnNames["EventID"]]);
}
// Add the parsed raw data row to the list.
rawDataList.Add(newRawData);
}
}
}
catch (Exception ex)
{
ExceptionMethods.HandleException(ex);
}
}
/// <summary>
/// This method iterates the imported fixation rows to
/// catch the trial changes that are detected during the call
/// of <see cref="GenerateOgamaFixationDataList(int)" />.
/// The trials are then written into the trial list.
/// </summary>
private static void GenerateOgamaSubjectAndTrialList()
{
// Clear foregoing imports.
TrialList.Clear();
SubjectList.Clear();
if (FixationDataList.Count == 0)
{
return;
}
// Initializes variables
var lastSequence = -5;
var lastSubject = "#";
// Iterate raw data list
for (int i = 0; i < FixationDataList.Count; i++)
{
var importRow = FixationDataList[i];
int currentSequence = importRow.TrialSequence;
string currentSubject = importRow.SubjectName;
FixationDataList[i] = importRow;
// If subject has changed write new subject table entry.
if (currentSubject != lastSubject)
{
var newSubjectsData = new SubjectsData { SubjectName = currentSubject };
SubjectList.Add(newSubjectsData);
lastSubject = currentSubject;
}
// If trial has changed parse the trial information to
// create a trial entry in the trialList.
if (currentSequence != lastSequence)
{
string subject = importRow.SubjectName ?? "Subject1";
// Create trial row
var newTrialData = new TrialsData
{
SubjectName = subject,
TrialSequence = importRow.TrialSequence,
TrialID = importRow.TrialID,
TrialName = importRow.TrialID.ToString(CultureInfo.InvariantCulture)
};
TrialList.Add(newTrialData);
lastSequence = currentSequence;
}
}
}
/// <summary>
/// This method iterates the imported raw data rows to
/// catch the trial changes that are detected during the call
/// of <see cref="GenerateOgamaRawDataList(int)" />.
/// The trials are then written into the trial list.
/// </summary>
private static void GenerateOgamaSubjectAndTrialList()
{
// Clear foregoing imports.
TrialList.Clear();
SubjectList.Clear();
if (RawDataList.Count == 0)
{
// string message = "The parsing of the log file into OGAMAs " +
// "Raw data columns failed. No lines have been successfully read. " +
// Environment.NewLine +
// "So the trial generation could not be started." +
// Environment.NewLine + "Please change the import settings and try again";
// ExceptionMethods.ProcessErrorMessage(message);
return;
}
// Initializes variables
int currentSequence = 0;
int lastSequence = -5;
string currentSubject = "#";
string lastSubject = "#";
int overallTrialCounter = 0;
int trialCounter = 0;
int subjectCounter = 0;
// Iterate raw data list
for (int i = 0; i < RawDataList.Count; i++)
{
RawData importRow = RawDataList[i];
currentSequence = importRow.TrialSequence;
currentSubject = importRow.SubjectName;
// If subject has changed write new subject table entry.
if (currentSubject != lastSubject)
{
var newSubjectsData = new SubjectsData();
newSubjectsData.SubjectName = currentSubject;
SubjectList.Add(newSubjectsData);
if (subjectCounter > 0)
{
TrialsData tempSubjetData = TrialList[overallTrialCounter - 1];
tempSubjetData.Duration = (int)(RawDataList[i - 1].Time - tempSubjetData.TrialStartTime);
TrialList[overallTrialCounter - 1] = tempSubjetData;
}
lastSubject = currentSubject;
lastSequence = -5;
trialCounter = 0;
subjectCounter++;
}
// If trial has changed parse the trial information to
// create a trial entry in the trialList.
if (currentSequence != lastSequence)
{
string subject = importRow.SubjectName != null ? importRow.SubjectName : "Subject1";
string categorie = importRow.Category != null ? importRow.Category : string.Empty;
int trialID = currentSequence;
if (detectionSetting.TrialSequenceToTrialIDAssignments.ContainsKey(currentSequence))
{
trialID = detectionSetting.TrialSequenceToTrialIDAssignments[currentSequence];
}
string image = "No image file specified";
switch (detectionSetting.StimuliImportMode)
{
case StimuliImportModes.UseiViewXMSG:
if (detectionSetting.ImageDictionary.ContainsKey(currentSequence))
{
image = detectionSetting.ImageDictionary[currentSequence];
}
break;
case StimuliImportModes.UseImportColumn:
case StimuliImportModes.UseAssignmentTable:
if (detectionSetting.TrialSequenceToTrialIDAssignments.ContainsKey(currentSequence))
{
trialID = detectionSetting.TrialSequenceToTrialIDAssignments[currentSequence];
if (detectionSetting.TrialIDToImageAssignments.ContainsKey(trialID))
{
image = detectionSetting.TrialIDToImageAssignments[trialID];
}
}
break;
case StimuliImportModes.SearchForImageEnding:
if (detectionSetting.ImageDictionary.ContainsKey(currentSequence))
{
image = detectionSetting.ImageDictionary[currentSequence];
}
break;
}
// Add empty trial to sequence numbering.
if (detectionSetting.StimuliImportMode != StimuliImportModes.UseImportColumn
&& image == "No image file specified")
{
if (!detectionSetting.TrialSequenceToTrialIDAssignments.ContainsKey(currentSequence))
{
detectionSetting.TrialSequenceToTrialIDAssignments.Add(currentSequence, 0);
}
}
long time = 0;
switch (detectionSetting.TrialImportMode)
{
////// Use the table timing
////if (detectionSetting.TrialSequenceToStarttimeAssignments.ContainsKey(currentSequence))
////{
//// time = detectionSetting.TrialSequenceToStarttimeAssignments[currentSequence];
////}
//// break;
case TrialSequenceImportModes.UseAssignmentTable:
case TrialSequenceImportModes.UseMSGLines:
case TrialSequenceImportModes.UseImportColumn:
// Use the raw data timing
time = importRow.Time;
break;
}
// Create trial row
var newTrialData = new TrialsData();
newTrialData.SubjectName = subject;
newTrialData.TrialSequence = currentSequence;
newTrialData.TrialID = trialID;
newTrialData.TrialName = image;
newTrialData.Category = categorie;
newTrialData.TrialStartTime = time;
newTrialData.Duration = -1;
TrialList.Add(newTrialData);
lastSequence = currentSequence;
trialCounter++;
overallTrialCounter++;
// Calculate trial duration for foregoing trial.
if (trialCounter > 1)
{
TrialsData tempSubjetData = TrialList[overallTrialCounter - 2];
int duration = 0;
switch (detectionSetting.TrialImportMode)
{
case TrialSequenceImportModes.UseAssignmentTable:
// Use the table timing
duration = (int)(time - tempSubjetData.TrialStartTime);
break;
case TrialSequenceImportModes.UseMSGLines:
case TrialSequenceImportModes.UseImportColumn:
// Use the raw data timing
duration = (int)(RawDataList[i].Time - tempSubjetData.TrialStartTime);
break;
}
//// If there is lot of time (>200ms) left between last and current trial
//// don´t use the space in between for the duration value.
////if (rawDataList[i].Time - rawDataList[i - 1].Time > 200)
////{
//// duration = (int)(rawDataList[i - 1].Time - tempSubjetData.TrialStartTime);
////}
tempSubjetData.Duration = duration;
TrialList[overallTrialCounter - 2] = tempSubjetData;
}
}
}
// Reached end of rawdatalist, so add last trial duration value from last entry
if (trialCounter >= 1)
{
TrialsData tempSubjetData = TrialList[overallTrialCounter - 1];
tempSubjetData.Duration = (int)(RawDataList[RawDataList.Count - 1].Time - tempSubjetData.TrialStartTime);
TrialList[overallTrialCounter - 1] = tempSubjetData;
}
}