/// <summary>
/// This method checks for assigning of all minimum relevant columns,
/// and returns false if some are missing.
/// </summary>
/// <returns>
/// <strong>True</strong> if successful, otherwise
/// <strong>false</strong>.
/// </returns>
private bool ValidateAssignments()
{
// Check for missing time column.
if (ImportFixations.ASCIISettings.ColumnAssignments["StartTime"] == null
|| ImportFixations.ASCIISettings.ColumnAssignments["StartTime"] == string.Empty
|| ImportFixations.ASCIISettings.ColumnAssignments["PosX"] == null
|| ImportFixations.ASCIISettings.ColumnAssignments["PosX"] == string.Empty
|| ImportFixations.ASCIISettings.ColumnAssignments["PosY"] == null
|| ImportFixations.ASCIISettings.ColumnAssignments["PosY"] == string.Empty)
{
string message = "You have to define at least the trial id, start time, posx and posY columns ...";
ExceptionMethods.ProcessMessage("Define columns", message);
return false;
}
// If no subject column is specified show subject name dialog.
if (ImportFixations.ASCIISettings.ColumnAssignments["SubjectName"] == null
|| ImportFixations.ASCIISettings.ColumnAssignments["SubjectName"] == string.Empty)
{
var dlg = new AskForSubjectNameDialog(true);
dlg.SubjectName = ImportFixations.DetectionSetting.SubjectName;
if (dlg.ShowDialog() == DialogResult.OK)
{
ImportFixations.DetectionSetting.SubjectName = dlg.SubjectName;
}
else
{
return false;
}
}
return true;
}
/// <summary>
/// This method writes the data that is written in the lists during
/// recording to OGAMAs dataset.
/// If this could be successfully done the whole new data is
/// written to the database (SQL Database file).
/// </summary>
private void SaveRecordingIntoTablesAndDB()
{
try
{
// Set wait cursor until UI is reset
Cursor.Current = Cursors.WaitCursor;
string subject = this.currentTracker.Subject.SubjectName;
if (subject == string.Empty)
{
var dialog = new AskForSubjectNameDialog(false);
dialog.ShowDialog();
subject = dialog.SubjectName;
}
this.bgwSaveSplash.RunWorkerAsync("Saving to database ...");
// Creates an empty raw data table in the mdf database
Queries.CreateRawDataTableInDB(subject);
// Write RawDataTable into File with Bulk Statement
Queries.WriteRawDataWithBulkStatement(subject, this.subjectRawDataTable);
// Save subject information to dataset
if (!Queries.WriteSubjectToDataSet(this.currentTracker.Subject))
{
throw new DataException("The new subject information could not be written into the dataset.");
}
// Save trial information to dataset
if (!Queries.WriteTrialsDataListToDataSet(this.trialDataList))
{
throw new DataException("The new trials table could not be written into the dataset.");
}
// Save trial event information to dataset
if (!Queries.WriteTrialEventsToDataSet(this.trialEventList))
{
throw new DataException("The new trials table could not be written into the dataset.");
}
Document.ActiveDocument.DocDataSet.EnforceConstraints = false;
// Update subjects and trials table in the mdf database
Document.ActiveDocument.DocDataSet.TrialEventsAdapter.Update(Document.ActiveDocument.DocDataSet.TrialEvents);
Document.ActiveDocument.DocDataSet.TrialsAdapter.Update(Document.ActiveDocument.DocDataSet.Trials);
Document.ActiveDocument.DocDataSet.SubjectsAdapter.Update(Document.ActiveDocument.DocDataSet.Subjects);
Document.ActiveDocument.DocDataSet.AcceptChanges();
Document.ActiveDocument.DocDataSet.CreateRawDataAdapters();
Document.ActiveDocument.DocDataSet.EnforceConstraints = true;
// Get trial data of current subject
DataTable trialsTable = Document.ActiveDocument.DocDataSet.TrialsAdapter.GetDataBySubject(subject);
// Hide splash
this.bgwSaveSplash.CancelAsync();
// Show new splash new info
this.bgwCalcFixations.RunWorkerAsync("Calculating fixations ...");
Application.DoEvents();
// Calculate fixations
var calculationObject = new FixationCalculation();
calculationObject.CalcFixations(SampleType.Gaze, subject, trialsTable, null, null);
calculationObject.CalcFixations(SampleType.Mouse, subject, trialsTable, null, null);
this.bgwCalcFixations.CancelAsync();
// Show the success information on the
// controllers screen
var successDlg = new SavingSuccessDialog();
Rectangle controllerBounds = PresentationScreen.GetControllerWorkingArea();
successDlg.Location = new Point(
controllerBounds.Width / 2 - successDlg.Width / 2,
controllerBounds.Height / 2 - successDlg.Height / 2);
successDlg.ShowDialog();
}
catch (Exception ex)
{
ExceptionMethods.HandleException(ex);
// Hide saving splash.
if (this.bgwSaveSplash.IsBusy)
{
this.bgwSaveSplash.CancelAsync();
}
// Hide fixation calculation splash.
if (this.bgwCalcFixations.IsBusy)
{
this.bgwCalcFixations.CancelAsync();
}
// CleanUp
// First reject changes (remove trial and subject table modifications)
Document.ActiveDocument.DocDataSet.RejectChanges();
Document.ActiveDocument.DocDataSet.EnforceConstraints = false;
Document.ActiveDocument.DocDataSet.SubjectsAdapter.Update(Document.ActiveDocument.DocDataSet.Subjects);
Document.ActiveDocument.DocDataSet.TrialsAdapter.Update(Document.ActiveDocument.DocDataSet.Trials);
Document.ActiveDocument.DocDataSet.TrialEventsAdapter.Update(Document.ActiveDocument.DocDataSet.TrialEvents);
// Remove eventually added raw data table in dataset
if (Document.ActiveDocument.DocDataSet.Tables.Contains(this.currentTracker.Subject.SubjectName + "Rawdata"))
{
Document.ActiveDocument.DocDataSet.Tables.Remove(this.currentTracker.Subject.SubjectName + "Rawdata");
}
Document.ActiveDocument.DocDataSet.EnforceConstraints = true;
// Remove raw data table in database file (.mdf)
Queries.DeleteRawDataTableInDB(this.currentTracker.Subject.SubjectName);
string filename = Path.Combine(
Document.ActiveDocument.ExperimentSettings.ThumbsPath,
this.currentTracker.Subject.SubjectName + ".avi");
if (File.Exists(filename))
{
File.Delete(filename);
}
}
finally
{
// Free resources
this.trialEventList.Clear();
this.trialDataList.Clear();
this.subjectRawDataTable.Dispose();
}
}
/// <summary>
/// This method checks for assigning of all minimum relevant columns,
/// and returns false if some are missing.
/// </summary>
/// <returns><strong>True</strong> if successful, otherwise
/// <strong>false</strong>.</returns>
private bool ValidateAssignments()
{
// Check for missing time column.
if (ImportRawData.ASCIISettings.ColumnAssignments["Time"] == null ||
ImportRawData.ASCIISettings.ColumnAssignments["Time"] == string.Empty)
{
ExceptionMethods.ProcessMessage("Time colum missing", "Please specify a time column, this is a required value ...");
return false;
}
// Check for missing data column.
if (ImportRawData.ASCIISettings.ColumnAssignments["PupilDiaX"] == string.Empty &&
ImportRawData.ASCIISettings.ColumnAssignments["PupilDiaY"] == string.Empty &&
ImportRawData.ASCIISettings.ColumnAssignments["GazePosX"] == string.Empty &&
ImportRawData.ASCIISettings.ColumnAssignments["GazePosY"] == string.Empty &&
ImportRawData.ASCIISettings.ColumnAssignments["MousePosX"] == string.Empty &&
ImportRawData.ASCIISettings.ColumnAssignments["MousePosY"] == string.Empty)
{
string message = "Please specify a data column pair " + Environment.NewLine +
"either for gaze position (x,y) and/or " + Environment.NewLine +
"pupil diameter (x,y) and/or" + Environment.NewLine +
"mouse position (x,y) ...";
ExceptionMethods.ProcessMessage("Data colum missing", message);
return false;
}
// If no subject column is specified show subject name dialog.
if (ImportRawData.ASCIISettings.ColumnAssignments["SubjectName"] == null ||
ImportRawData.ASCIISettings.ColumnAssignments["SubjectName"] == string.Empty)
{
AskForSubjectNameDialog dlg = new AskForSubjectNameDialog(false);
dlg.SubjectName = ImportRawData.DetectionSetting.SubjectName;
if (dlg.ShowDialog() == DialogResult.OK)
{
ImportRawData.DetectionSetting.SubjectName = dlg.SubjectName;
}
else
{
return false;
}
}
return true;
}