public override void Start(HumanSubject current_subject = null)
{
if (current_subject != null)
{
//Get the list of words to use for this study block
var hal_config = HumanAcceleratedLearningConfiguration.GetInstance();
var available_dictionaries = hal_config.LanguageDictionaries;
source_language_dictionary = available_dictionaries.Where(x =>
x.ForeignLanguageName.Equals(ForeignLanguage) &&
x.NativeLanguageName.Equals(NativeLanguage)
).FirstOrDefault();
//Shuffle the words
if (source_language_dictionary != null)
{
var word_list = source_language_dictionary.DictionaryWordPairs.ToList();
shuffled_word_list = MathHelperMethods.ShuffleList(word_list);
last_word_display_time = DateTime.MinValue;
current_wordpair_index = 0;
//Create a file for this study session
fid = StudyBlock.CreateStudyBlockFile(current_subject.UserName);
HasPhaseStarted = true;
}
}
}
/// <summary>
/// Saves a human subject to a data file
/// </summary>
/// <param name="s"></param>
public static void SaveHumanSubject(HumanSubject s)
{
//Construct a file name for the patient data file
string file_name = s.UserName + ".txt";
//Construct a path for the save location
string path_name = HumanAcceleratedLearningConfiguration.GetInstance().PrimarySavePath;
//Create the directory if it doesn't exist
DirectoryInfo info = new DirectoryInfo(path_name);
if (!info.Exists)
{
info.Create();
}
//Open the file for writing
string full_path_and_file = path_name + file_name;
StreamWriter writer = new StreamWriter(full_path_and_file);
writer.WriteLine(s.UserName);
writer.WriteLine(MathHelperMethods.ConvertDateTimeToMatlabDatenum(s.StartDate).ToString());
//Write out the names of each segment in the order that they were performed in the participant's first visit
foreach (var seg in s.FirstVisitStage.StageSegments)
{
writer.WriteLine(seg.SegmentName);
}
//Close the file
writer.Close();
}
public override void InitializePhaseFromParameters(List <Tuple <string, string> > parameters, int loop_counter = 0)
{
for (int i = 0; i < parameters.Count; i++)
{
var pname = parameters[i].Item1;
var pval = parameters[i].Item2;
var pval_is_loop_param = pval.Equals("n");
var pval_parse_success = Int32.TryParse(pval, out int pval_parse_result);
if (pname.Equals("text"))
{
TextSourceFileName = pval;
var full_path_to_file = HumanAcceleratedLearningConfiguration.GetInstance().ResourcesFolder +
HumanAcceleratedLearningConfiguration.GetInstance().InstructionsPath + @"\" + TextSourceFileName;
if (File.Exists(full_path_to_file))
{
Text = File.ReadAllText(full_path_to_file);
}
}
else if (pname.Equals("duration"))
{
Duration = (pval_is_loop_param) ? loop_counter : (pval_parse_success) ? pval_parse_result : 0;
}
}
}
public static bool CheckIfObjectLocationFileExists(string username)
{
string fully_qualified_path = HumanAcceleratedLearningConfiguration.GetInstance().PrimarySavePath + username + @"\";
DirectoryInfo dir_info = new DirectoryInfo(fully_qualified_path);
if (dir_info.Exists)
{
var files = dir_info.EnumerateFiles();
var f = files.Where(x => x.Name.Contains("objectlocation")).FirstOrDefault();
return(f != null);
}
return(false);
}
/// <summary>
/// Creates an object for a new human subject
/// </summary>
public static HumanSubject CreateNewSubjectData(string username, Stage first_visit_stage)
{
HumanSubject result = new HumanSubject();
var configuration_data = HumanAcceleratedLearningConfiguration.GetInstance();
result.UserName = username;
result.StartDate = DateTime.Now;
result.FirstVisitStage = first_visit_stage;
foreach (var seg in first_visit_stage.StageSegments)
{
result.SegmentOrder.Add(seg.SegmentName);
}
return(result);
}
/// <summary>
/// Checks to see if a patient already exists with a certain username
/// </summary>
public static bool DoesSubjectExist(string username)
{
bool does_exist = false;
//Construct a file name to load
string file_name = username + ".txt";
//Construct a full path and file
string fully_qualified_path = HumanAcceleratedLearningConfiguration.GetInstance().PrimarySavePath + file_name;
//Check to see if the patient data file exists
FileInfo info = new FileInfo(fully_qualified_path);
does_exist = info.Exists;
return(does_exist);
}
public override void Start(HumanSubject current_subject = null)
{
if (current_subject != null)
{
current_subject_obj = current_subject;
//Get the list of words to use for this test block
var hal_config = HumanAcceleratedLearningConfiguration.GetInstance();
source_language_dictionary = hal_config.LanguageDictionaries.Where(x =>
(x.ForeignLanguageName.Equals(ForeignLanguage) &&
x.NativeLanguageName.Equals(NativeLanguage))
).FirstOrDefault();
//Get the list of words that this participant has already gotten correct in previous test blocks
current_subject.MakeSureCorrectlyAnsweredWordListExistsForSubject(ForeignLanguage);
if (source_language_dictionary != null)
{
var correct_word_list = current_subject.CorrectlyAnsweredWordList[ForeignLanguage];
var all_word_pairs = source_language_dictionary.DictionaryWordPairs.ToList();
var ordered_foreign_language_Words = all_word_pairs.Select(x => x.Item1).ToList();
//Remove the words from the list of word pairs that have already been answered correctly
for (int i = 0; i < correct_word_list.Count; i++)
{
int index = ordered_foreign_language_Words.IndexOf(correct_word_list[i]);
if (index > -1)
{
ordered_foreign_language_Words.RemoveAt(index);
all_word_pairs.RemoveAt(index);
}
}
//Shuffle the remaining words
shuffled_word_list = MathHelperMethods.ShuffleList(all_word_pairs);
last_word_display_time = DateTime.MinValue;
test_start_time = DateTime.Now;
current_wordpair_index = 0;
//Create a file for this test session
fid = TestBlock.CreateTestBlockFile(current_subject.UserName);
HasPhaseStarted = true;
}
}
}
private void UpdateSegmentNames()
{
Stage s = HumanAcceleratedLearningConfiguration.GetInstance().Stages[_model.SelectedStageIndex];
var segment_list = s.StageSegments.Select(x => x.SegmentName).ToList();
//Remove the "collection changed" event handler temporarily
_segment_list.CollectionChanged -= HandleDragDrop_CollectionChanged;
//Clear the list and add items for the new stage
_segment_list.Clear();
foreach (var seg in segment_list)
{
_segment_list.Add(seg);
}
//Re-add the event handler
_segment_list.CollectionChanged += HandleDragDrop_CollectionChanged;
}
public static StreamReader OpenObjectLocationFileForReading(string username)
{
string fully_qualified_path = HumanAcceleratedLearningConfiguration.GetInstance().PrimarySavePath + username + @"\";
DirectoryInfo dir_info = new DirectoryInfo(fully_qualified_path);
if (dir_info.Exists)
{
var files = dir_info.EnumerateFiles();
var f = files.Where(x => x.Name.Contains("objectlocation")).FirstOrDefault();
if (f != null)
{
StreamReader fid = new StreamReader(f.FullName);
return(fid);
}
}
return(null);
}
private void RunSession(object sender, DoWorkEventArgs e)
{
//Select the stage we want to run
Stage selected_stage = HumanAcceleratedLearningConfiguration.GetInstance().Stages[SelectedStageIndex];
//Create a new human subject with this username, or load in the subject's data.
if (!HumanSubject.DoesSubjectExist(UserName))
{
//If this is a new subject...
//Create an object holding the data for this human subject
CurrentSubject = HumanSubject.CreateNewSubjectData(_username, selected_stage);
//Save the data to a file
HumanSubject.SaveHumanSubject(CurrentSubject);
}
else
{
//If this is an existing subject, load the subject's data from a file
CurrentSubject = HumanSubject.LoadHumanSubject(UserName);
}
//Set a flag indicating we are not done yet
bool done = false;
//Loop until the program is either cancelled or we are done
while (!done)
{
//Handle the current state of the session
done = HandleSessionState(selected_stage);
//If the user wants to close down the program or cancel the session, set the flag indicating we are done
if (_background_thread.CancellationPending)
{
done = true;
}
//Report progress of the background thread
_background_thread.ReportProgress(0);
//Sleep the background thread a little bit so we don't consume the entire CPU
Thread.Sleep(33);
}
}
/// <summary>
/// Creates a study block file for the specified username
/// </summary>
public static StreamWriter CreateObjectLocationFileForWriting(string username)
{
string date_for_filename = DateTime.Now.ToString("yyyyMMdd_HHmmss");
string file_name = username + "_objectlocation_" + date_for_filename + ".txt";
string fully_qualified_path = HumanAcceleratedLearningConfiguration.GetInstance().PrimarySavePath + username + @"\";
DirectoryInfo dir_info = new DirectoryInfo(fully_qualified_path);
if (!dir_info.Exists)
{
dir_info.Create();
}
string fully_qualified_file = fully_qualified_path + file_name;
StreamWriter writer = new StreamWriter(fully_qualified_file);
return(writer);
}
/// <summary>
/// Loads data from a previously created human subject.
/// </summary>
public static HumanSubject LoadHumanSubject(string username)
{
HumanSubject s = new HumanSubject();
//Construct a file name to load
string file_name = username + ".txt";
//Construct a full path and file
string fully_qualified_path = HumanAcceleratedLearningConfiguration.GetInstance().PrimarySavePath + file_name;
//Check to see if the patient data file exists
FileInfo info = new FileInfo(fully_qualified_path);
//If the patient data file exists...
if (info.Exists)
{
//Read the contents of the file
List <string> lines = ConfigurationFileLoader.LoadFileLines(fully_qualified_path);
//Read the user name
s.UserName = lines[0].Trim();
//Read the participant's start date
double matlab_datenum = 0;
bool success = Double.TryParse(lines[1], out matlab_datenum);
if (success)
{
s.StartDate = MathHelperMethods.ConvertMatlabDatenumToDateTime(matlab_datenum);
}
//Now read the order of the participant's segments
for (int i = 2; i < lines.Count; i++)
{
s.SegmentOrder.Add(lines[i].Trim());
}
}
return(s);
}
public override void Start(HumanSubject current_subject = null)
{
if (current_subject != null)
{
_current_subject = current_subject;
if (current_subject.AllObjectImages.Count == 0 && current_subject.AllObjectImageLocations.Count == 0)
{
var res_folder = HumanAcceleratedLearningConfiguration.GetInstance().ResourcesFolder;
var img_path = HumanAcceleratedLearningConfiguration.GetInstance().ObjectLocationImagesPath;
var all_images = Directory.GetFiles(res_folder + img_path).ToList();
current_subject.AllObjectImages = all_images;
last_picture_display_time = DateTime.MinValue;
current_image_index = 0;
for (int i = 0; i < all_images.Count; i++)
{
var loc_x = MathHelperMethods.RandomNumbers.Next(1, Convert.ToInt32(grid_columns) - 1);
var loc_y = MathHelperMethods.RandomNumbers.Next(1, Convert.ToInt32(grid_rows) - 1);
current_subject.AllObjectImageLocations.Add(new Tuple <int, int>(loc_x, loc_y));
}
//Save all of the object locations to a file
ObjectLocation_FileHandler.WriteAllObjectLocationsToFile(current_subject);
}
//Create a shuffled list of image indices for this study session
var all_indices = Enumerable.Range(0, current_subject.AllObjectImages.Count).ToList();
shuffled_list_of_image_indices = MathHelperMethods.ShuffleList(all_indices);
//Create a file for this study session
fid = StudyBlock.CreateStudyBlockFile(current_subject.UserName);
HasPhaseStarted = true;
StartTime = DateTime.Now;
}
}
private void HandleDragDrop_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
//Get the ordered list of segment names according to how the user wants to order them
var seg_names = _segment_list.ToList();
//Get the current stage
Stage s = HumanAcceleratedLearningConfiguration.GetInstance().Stages[_model.SelectedStageIndex];
if (seg_names.Count == s.StageSegments.Count)
{
List <StageSegment> new_stage_segment_list = new List <StageSegment>();
foreach (var this_seg_name in seg_names)
{
var this_seg = s.StageSegments.Where(x => x.SegmentName.Equals(this_seg_name)).FirstOrDefault();
if (this_seg != null)
{
new_stage_segment_list.Add(this_seg);
}
}
s.StageSegments = new_stage_segment_list;
}
}