/// <summary>
/// Validates the form and returns an error string with all errors. Returns string.empty if valid
/// </summary>
/// <returns></returns>
private string ValidateSave()
{
bool valid = true;
string Problems = "The question can not be saved for the following reason(s): \n";
if (radCallClassification.Checked)
{
if (!CheckValidClassification())
{
valid = false;
Problems += "\nThis question can not be marked as 'Classification'. To be valid as a classification, a question " +
"must either be at the base level or every parent must be a classification.";
}
}
question.QuestionTypes newType = (question.QuestionTypes)cmbQuestionType.SelectedIndex + 1;
if ((newType != question.QuestionTypes.Header) && (newType != question.QuestionTypes.Spacer))
{
if (txtTreeText.Text == "")
{
valid = false;
Problems += "\nPlease enter valid tree text.";
}
if (newType != question.QuestionTypes.Category)
{
if (txtQuestionText.Text == "")
{
valid = false;
Problems += "\nPlease enter valid question text.";
}
}
}
if (valid)
{
return(string.Empty);
}
else
{
return(Problems);
}
}
private void cmbQuestionType_SelectedIndexChanged(object sender, EventArgs e)
{
if (cmbQuestionType.SelectedIndex > -1)
{
question.QuestionTypes questionType = (question.QuestionTypes)(cmbQuestionType.SelectedIndex + 1);
if ((questionType == question.QuestionTypes.YesNo) || (questionType == question.QuestionTypes.MultipleChoice))
{
radFork.Enabled = true;
}
else
{
radFork.Enabled = false;
radFork.Checked = false;
}
MakeQuestionTextVisible(questionType);
lnkEditMultipleChoiceOptions.Enabled = questionType == question.QuestionTypes.MultipleChoice;
QuestionChanged(true);
}
}
private void MakeQuestionTextVisible(question.QuestionTypes type)
{
if ((type == question.QuestionTypes.Category) || (type == question.QuestionTypes.Header) ||
(type == question.QuestionTypes.Spacer))
{
txtQuestionText.Enabled = false;
}
else
{
txtQuestionText.Enabled = true;
}
if (type == question.QuestionTypes.Spacer)
{
txtTreeText.Enabled = false;
txtTreeText.Text = "(Spacer)";
}
else
{
txtTreeText.Enabled = true;
}
}