private void cboQorAChanged(object sender, SelectionChangedEventArgs e)
{
try
{
if (cboQorAs.SelectedItem != null)
{
//Copy the value of the cboBox into the textbox for editing
switch (qaMode)
{
case QAMode.Answer:
txtText.Text = answers.ElementAt(cboQorAs.SelectedIndex).Text;
break;
case QAMode.Question:
txtText.Text = questions.ElementAt(cboQorAs.SelectedIndex).Text;
break;
default:
break;
}
//Update the edit button
btnSave.Content = "Update " + qaMode.ToString();
editMode = EditMode.Update;
}
else
{
//If null clear the textbox and update the edit button to read add and update the editMode
txtText.Text = String.Empty;
btnSave.Content = "Add " + qaMode.ToString();
editMode = EditMode.Add;
}
}
catch (Exception ex)
{
lblStatus.Content = ex.Message;
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
try
{
Question question = questions.ElementAt(cboQuestion.SelectedIndex);
//Clear out the current answers on the question
question.Answers.Clear();
//Save the currently selected answers to the question's answer list
if (cboCorrectAnswer.SelectedItem != null)
{
//Check to make sure that duplicate answers aren't selected
CheckSameSelection(cboCorrectAnswer, cboWrongAnswer1);
CheckSameSelection(cboCorrectAnswer, cboWrongAnswer2);
CheckSameSelection(cboCorrectAnswer, cboWrongAnswer3);
//Find the answer in the master answer list and add a copy to this question's answer list
Answer masterAnswer = answers.ElementAt(cboCorrectAnswer.SelectedIndex);
Answer newAnswer = new Answer {
Id = masterAnswer.Id, Text = masterAnswer.Text, IsCorrect = true
};
question.Answers.Add(newAnswer);
newAnswer = null;
}
if (cboWrongAnswer1.SelectedItem != null)
{
CheckSameSelection(cboWrongAnswer1, cboWrongAnswer2);
CheckSameSelection(cboWrongAnswer1, cboWrongAnswer3);
//Find the answer in the master answer list and add a copy to this question's answer list
Answer masterAnswer = answers.ElementAt(cboWrongAnswer1.SelectedIndex);
Answer newAnswer = new Answer {
Id = masterAnswer.Id, Text = masterAnswer.Text, IsCorrect = false
};
question.Answers.Add(newAnswer);
newAnswer = null;
}
if (cboWrongAnswer2.SelectedItem != null)
{
CheckSameSelection(cboWrongAnswer2, cboWrongAnswer3);
//Find the answer in the master answer list and add a copy to this question's answer list
Answer masterAnswer = answers.ElementAt(cboWrongAnswer2.SelectedIndex);
Answer newAnswer = new Answer {
Id = masterAnswer.Id, Text = masterAnswer.Text, IsCorrect = false
};
question.Answers.Add(newAnswer);
newAnswer = null;
}
if (cboWrongAnswer3.SelectedItem != null)
{
//Find the answer in the master answer list and add a copy to this question's answer list
Answer masterAnswer = answers.ElementAt(cboWrongAnswer3.SelectedIndex);
Answer newAnswer = new Answer {
Id = masterAnswer.Id, Text = masterAnswer.Text, IsCorrect = false
};
question.Answers.Add(newAnswer);
newAnswer = null;
}
//Save the question answers to the database
question.SaveAnswers();
//update the status label
lblStatus.Content = "Saved: Updated the answers on the question!";
}
catch (Exception ex)
{
lblStatus.Content = ex.Message;
}
}