private void ListBox_tests_SelectedIndexChanged(object sender, EventArgs e)
{
if (listBox_tests.SelectedIndex >= 0)
{
string name = listBox_tests.SelectedItem.ToString();
Test TEST = new Test();
TEST.Creat_test($"{name}.txt");
Form_header AddForm = new Form_header(TEST);
this.Close();
}
}
private void Add_new_test_Click(object sender, EventArgs e)//add new test
{
Test TEST = new Test();
Form_header AddForm = new Form_header(TEST);
}
internal Form_Questions(Test TEST)
{
InitializeComponent();
Design_for_Form_Questions();
Show();
CoQ_textbox.Text = Convert.ToString(TEST._Questions.Count);
CoQ_textbox.KeyPress += new KeyPressEventHandler(TextBox_KeyPress_integers);
button_add_answer.Click += new EventHandler(button_add_answer_click);
button_remove_answer.Click += new EventHandler(button_remove_answer_click);
button_left.Click += new EventHandler(button_left_click);
button_right.Click += new EventHandler(button_right_click);
button_create.Click += new EventHandler(button_create_click);
button_next.Click += new EventHandler(button_next_click);
button_back.Click += new EventHandler(button_back_click);
if (TEST._Questions.Count > 0)
{
Create_questions(TEST);
}
void button_create_click(object sender, EventArgs e)
{
try
{
int tmp = Convert.ToInt32(CoQ_textbox.Text);
if (tmp > 0)
{
if (tmp > TEST._Questions.Count)
{
for (int i = TEST._Questions.Count; i < tmp; i++)
{
TEST._Questions.Add(new Question());
}
Create_questions(TEST);
}
if (tmp < TEST._Questions.Count)
{
for (int i = TEST._Questions.Count - 1; i >= tmp; i--)
{
TEST._Questions.RemoveAt(i);
}
if (Question_number >= TEST._Questions.Count)
{
Question_number = TEST._Questions.Count - 1;
}
Create_questions(TEST);
}
}
}
catch
{
MessageBox.Show("Ошибка: некорректно задано число вопросов. OS");
}
}
void button_add_answer_click(object sender, EventArgs e)
{
TEST._Questions[Question_number]._Answer.Add("");
Answer_form.Add(new TextBox());
Create_answer(TEST, TEST._Questions[Question_number]._Answer.Count - 1);
}
void button_remove_answer_click(object sender, EventArgs e)
{
if (TEST._Questions[Question_number]._Answer.Count <= 0)
{
return;
}
Delete_last_answer_on_panel();
TEST._Questions[Question_number]._Answer.RemoveAt(TEST._Questions[Question_number]._Answer.Count - 1);
Answer_form.RemoveAt(Answer_form.Count - 1);
CA_label.Text = $"Количество ответов {Convert.ToString(TEST._Questions[Question_number]._Answer.Count)}";
}
void button_left_click(object sender, EventArgs e)
{
//check for the last question
if (Question_number <= 0)
{
return;
}
//go to the previous question
Question_number--;
Clear_panel();
Answer_form = new List <TextBox>();
Create_questions(TEST);
}
void button_right_click(object sender, EventArgs e)
{
//check for the correctness of the question and answers
if (question_textBox.Text.Trim() == "" || question_textBox.Text.Contains('>') || question_textBox.Text.Contains('<'))
{
MessageBox.Show("Ошибка: вопрос пуст или содержит символы '<', '>'");
return;
}
if (Answer_form.Count == 0)
{
MessageBox.Show("Ошибка: вопрос должен иметь хотя бы один ответ");
return;
}
for (int i = 0; i < Answer_form.Count; i++)
{
if (Answer_form[i].Text.Trim() == "" || Answer_form[i].Text.Contains('>') || Answer_form[i].Text.Contains('<'))
{
MessageBox.Show("Ошибка: ответы пусты или содержат символы '<', '>'");
return;
}
}
TEST._Questions[Question_number]._Question = question_textBox.Text.Trim();
for (int i = 0; i < Answer_form.Count; i++)
{
TEST._Questions[Question_number]._Answer[i] = Answer_form[i].Text.Trim();
}
//check for the last question
if (Question_number >= TEST._Questions.Count - 1)
{
MessageBox.Show("Добавлен последний вопрос");
return;
}
//update and add text box on the panel
Question_number++;
Clear_panel();
Create_questions(TEST);
}
void button_next_click(object sender, EventArgs e)
{
if (TEST._Questions.Count > 0 && TEST._Questions[TEST._Questions.Count - 1]._Answer.Count > 0 && TEST._Questions[TEST._Questions.Count - 1]._Answer[TEST._Questions[TEST._Questions.Count - 1]._Answer.Count - 1] != "")
{
this.Close();
Form_Keys FK = new Form_Keys(TEST);
}
else
{
MessageBox.Show("Ошибка: не все вопросы заданы");
}
}
void button_back_click(object sender, EventArgs e)
{
this.Close();
Form_header FH = new Form_header(TEST);
}
}