} // End QuestionAndAnswerForm_Load
/// <summary>
/// This method is called if the QA form's open QA file menu option is clicked
/// It uses an open file dialog to get the file path to the desired qa file
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void openQAFileToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.InitialDirectory = @"C:\Users\Owner\OneDrive\Documents\Learning\_CSharpQAFiles\QAFiles";
// Open qa File if it has data and create the qaDictionary
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
qaFilePath = ofd.FileName;
AnswerQuestionsDataModel.setQAFilePath(qaFilePath);
// Determine if the file exists
if (File.Exists(qaFilePath))
{
// Determine if there are data in the file and if so read it into the dictionary
var fil = new FileInfo(qaFilePath);
long length = fil.Length;
if (length != 0)
{
// Load File into dictionary
AnswerQuestionsDataModel.loadQAFileIntoDictionary(qaFilePath);
// Get dictionary
qaDictionary = AnswerQuestionsDataModel.QandADictionary;
}
else
{
// If the file exists, but is blank
// Get a blank dictionary
qaDictionary = AnswerQuestionsDataModel.QandADictionary;
questionNumberValue.Text = qaDictionary.Count.ToString();
questionValue.Select();
}
} // EndOpen qa File if it has data and create the qaDictionary
} // End Open file dialogue
} // End openQAFileToolStripMenuItem_Click
}//End saveAndReturnToDashboardMenuItem_Click
//--------------------UTILITY METHODS-------------------//
/// <summary>
/// The purpose of this method is to initialize all working variables
/// when the form loads, or if it is reused without closing.
/// </summary>
private void initializeVariables()
{
//Get the current date time string for the cumulative results file
currentDatetimeStr = DateTime.Now.ToString("yyyyMMddhhmm");
// Set/Reset incorrectAnswerNumStr
incorrectAnswerNumStr = "";
// Get the initial count of correct answers
numCorrectAnswers = AnswerQuestionsDataModel.getNumCorrectAnswers();
}// End initializeVariables
}// End quizToolStripMenuItem1_Click
/// <summary>
/// /The Question sequence Seriatim menu option clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void seriatimToolStripMenuItem_Click(object sender, EventArgs e)
{
// questionSequenceSeriatem is already true
questionSequenceSet = true;
delimitedQuestionNumbersStr = AnswerQuestionsDataModel.getQAList();
if (questionSequenceSet && testTypeSet)
{
answerQuestions();
}
}// End seriatimToolStripMenuItem_Click
} // End openQAFileToolStripMenuItem_Click
/// <summary>
/// Called when the File-> Save file and Return to dashboard menu option is clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void saveFileAndReturnToDashboardToolStripMenuItem_Click(object sender, EventArgs e)
{
// send the current local value of the qaDictionary to QAFileDataModel's QandADictionary
AnswerQuestionsDataModel.QandADictionary = qaDictionary;
AnswerQuestionsDataModel.saveQAFile();
this.Hide();
this.Close();
QADashboard dashboardForm = new QADashboard();
dashboardForm.ShowDialog();
}// End saveFileAndReturnToDashboardToolStripMenuItem_Click
}// End answerQuestions()
/// <summary>
/// The purpose of this method is to save the results of an exam to
/// the FileNameScores file and the culutative results file
/// It is called by:
/// 1.
/// </summary>
private void updateExamData()
{
double originalQuestionsNumInt = AnswerQuestionsDataModel.getNumCorrectAnswers();
string currentCorrectNumAnswersStr = numCorrectAnswers.ToString();
string orriginalNumOfQuestions = originalQuestionsNumInt.ToString();
string outputNumCorrectStr = $"{currentCorrectNumAnswersStr} out of {orriginalNumOfQuestions} were Correct!";
double originalQuestions = AnswerQuestionsDataModel.getNumCorrectAnswers();
double percentCorrect = (numCorrectAnswers / originalQuestionsNumInt) * 100;
string percentCorrectStr = String.Format("{0:00.0}", percentCorrect);
QAFileNameScoresModel.updateQAFileNameScoresExamResults(keyToQAFileNameScoresDictionary, outputNumCorrectStr);
// Create cumulativeResultsOutputStr
string cumulativeResultsOutputStr = currentDatetimeStr + ":" + percentCorrectStr + ":" + incorrectAnswerNumStr + "~";
QACumulativeResultsModel.updateCumulativeresultsDictionary(keyIntStr + "q", cumulativeResultsOutputStr);
}// End updateExamData
//--------------------------EVENT METHODS----------------------------------//
/// <summary>
/// This Method: 1) Opens a local copy of the qaDictionary
/// 1. If it is called as a result of using the QA Tree form's Create/Edit button
/// then the qaFileNameString is the file name.
/// a. If the retrieved qaFilePath is blank and new dictionary is called else
/// b. The dictionary associated with an extant qaFile is loadee
/// 2. If it is called by Openeing the form from the dashboard then the qaFileNameString
/// is blank and the method is skipped
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void QuestionAndAnswerForm_Load(object sender, EventArgs e)
{
string qaFileNameString = AnswerQuestionsDataModel.getQAFileNameStr();
if (qaFileNameString != "")
{
string qaFilePath = AnswerQuestionsDataModel.getQAFilePath();
if (qaFilePath == "")
{
// Get a blank dictionary
qaDictionary = AnswerQuestionsDataModel.QandADictionary;
questionNumberValue.Text = qaDictionary.Count.ToString();
questionValue.Select();
return;
}
AnswerQuestionsDataModel.loadQAFileIntoDictionary(AnswerQuestionsDataModel.getQAFilePath());
qaDictionary = AnswerQuestionsDataModel.QandADictionary;
selectEditTypeLable.Visible = true;
} //End if (qaFileNameString != "")
} // End QuestionAndAnswerForm_Load
}// End initializeVariables
private void answerQuestions()
{
if (delimitedQuestionNumbersStr.Length == 0)
{
if (testTypeExam)
{
updateExamData();
}
resetLocalVariables();
// This is the last question
instructionsLabel.Text = "This is the last question Save file and return to Dashboard or Repeat the Exercise!";
return;
}
Tuple <int, string> currentValueTuple = AnswerQuestionsDataModel.returnDelimitedValue(delimitedQuestionNumbersStr);
int currentQuestionNumInt = currentValueTuple.Item1;
currentQuestionNumStr = currentQuestionNumInt.ToString();
questionNumberValue.Text = currentQuestionNumStr;
delimitedQuestionNumbersStr = currentValueTuple.Item2;
// get currentQALine
string qaLine = AnswerQuestionsDataModel.currentQALine(currentQuestionNumInt);
// example 0^When did Aristotle live?^384-322 BCE^^
string[] qaComponentsArray = qaLine.Split('^');
currentQuestion = qaComponentsArray[0];
string newLine = Environment.NewLine;
currentQuestion = currentQuestion.Replace("~", newLine);
correctAnswer = qaComponentsArray[1];
correctAnswer = correctAnswer.Replace("~", newLine);
currentImageURL = qaComponentsArray[2];
currentMp3URL = qaComponentsArray[3];
currentQuestionValue.Text = currentQuestion;
currentQuestionValue.Focus();
}// End answerQuestions()
/// <summary>
/// This form can be called from the QATreeForm's
/// takeQAFileTestButton_Click( method
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AnswerQuestionsForm_Load(object sender, EventArgs e)
{
string qaFilePath = AnswerQuestionsDataModel.getQAFilePath();
// Get the int value at the end of the name
string tempQAFilePathName = qaFilePath.Substring(0, qaFilePath.Length - 4);
char[] tempQAFilePathNameArray = tempQAFilePathName.ToCharArray();
keyIntStr = "";
char lastChar = tempQAFilePathNameArray[tempQAFilePathNameArray.Length - 1];
while (Char.IsDigit(lastChar))
{
keyIntStr = lastChar + keyIntStr;
Array.Resize(ref tempQAFilePathNameArray, tempQAFilePathNameArray.Length - 1);
lastChar = tempQAFilePathNameArray[tempQAFilePathNameArray.Length - 1];
}
// Convert this value to an integer
keyToQAFileNameScoresDictionary = Int32.Parse(keyIntStr);
AnswerQuestionsDataModel.loadQAFileIntoDictionary(qaFilePath);
// Call initializeVariables() to initialize local variables
initializeVariables();
}// End void AnswerQuestionsForm_Load(
