/// <summary>
/// Shows a specific group box depends on selected question's type.
/// </summary>
/// <param name="type">The type.</param>
private void ShowGroupBox(string type) //this method show a specific Groupbox depends on type of question then save old data (before editing ) in variables
{
switch (type) //switch type of question
{
case "Slider":
q = new Slider(question_table.Rows[0].ItemArray[0].ToString(), (int)question_table.Rows[0].ItemArray[1], (int)(question_table.Rows[0].ItemArray[3]), (int)(Type_table.Rows[0].ItemArray[1]), (int)(Type_table.Rows[0].ItemArray[2]), Type_table.Rows[0].ItemArray[3].ToString(), Type_table.Rows[0].ItemArray[4].ToString()); //create object from slider class and fill it with saved values retrived from database (old values)
Start_textBox.Text = q.Current_values().ElementAt(0).ToString(); //show stored value of Start value
End_textBox.Text = q.Current_values().ElementAt(1).ToString(); //show stored value of End value
Start_caption_textBox.Text = q.Current_values().ElementAt(2).ToString(); //show stored value of Start_caption
End_caption_textBox.Text = q.Current_values().ElementAt(3).ToString(); //show stored value of End_caption
Next_Number_UpDown(QuestionOrderUpDown1);
Slider_GroupBox.Visible = true; //show groupbox that hold text boxes to display and editing question's values
break;
case "Smiley":
q = new Smiley(question_table.Rows[0].ItemArray[0].ToString(), (int)question_table.Rows[0].ItemArray[1], (int)(question_table.Rows[0].ItemArray[3]), (int)(Type_table.Rows[0].ItemArray[1])); //create object from Smiley and fill it with stored values retrived from database (old value)
Smile_textBox.Text = q.Current_values().ElementAt(0).ToString(); //show stored value of Faces
Next_Number_UpDown(QuestionOrderUpDown3);
Smiley_GroupBox.Visible = true; //show groupbox that hold text boxes to display and editing question's values
break;
case "Stars":
q = new Stars(question_table.Rows[0].ItemArray[0].ToString(), (int)question_table.Rows[0].ItemArray[1], (int)(question_table.Rows[0].ItemArray[3]), (int)(Type_table.Rows[0].ItemArray[1])); //create object from Stars and fill it with stored values retrived from database (old value)
Stars_textbox.Text = q.Current_values().ElementAt(0).ToString(); //show stored value of Stars
Next_Number_UpDown(QuestionOrderUpDown2);
Stars_GroupBox.Visible = true; //show groupbox that hold text boxes to display and editing question's values
break;
}
}
/// <summary>
/// Handles the Click event of the Radio control, create question object and fill controls with default values of that question.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void Radio_Click(object sender, EventArgs e)
{
Relese(q); //call method release that release q object if refere to another object
if (ReferenceEquals(sender, Slider_Radio)) //if slider radio button
{
q = new Slider(Next_ID) //create slider object
{
ID = Next_ID,
};
Slider_Radio.Checked = true;//set check property of Slider radio button to true
Next_Number_UpDown(QuestionOrderUpDown1);
Show_controls();
}
else if (ReferenceEquals(sender, Smiley_Radio)) //if Smiley radio button
{
q = new Smiley(Next_ID) //create smiley object
{
Question_order = Next_ID //sign qustion_order property to next_order field
};
Smiley_Radio.Checked = true; //set check property of Smiley radio button to true
Next_Number_UpDown(QuestionOrderUpDown3);
Show_controls();
}
else if (ReferenceEquals(sender, Stars_Radio)) //if Stars radio button
{
q = new Stars(Next_ID) //create star object
{
Question_order = Next_ID //sign qustion_order property to next_order field
};
Stars_Radio.Checked = true; //set check property of Stars radio button to true
Next_Number_UpDown(QuestionOrderUpDown2);
Show_controls();
}
}
/// <summary>
/// Show related controls depending on question type.
/// </summary>
private void Show_controls()
{
question_box.Text = IsEdit == true ? question.Question_text : question_box.Text;
Shared_numeric.Visible = true;
int index = QuestionType_ComboBox.SelectedIndex;
switch (index)
{
case 0:
Slider slider = (Slider)question;
Shared_label.Text = "Start :";
Shared_label.Visible = true;
QuestionTip.SetToolTip(Shared_numeric, "Enter start value");
Shared_numeric.Value = Int32.Parse(slider.Slider_default[0]); //fill textbox with default value of start
End_numeric.Value = Int32.Parse(slider.Slider_default[1]); //fill textbox with default value of end
Start_caption_textBox.Text = slider.Slider_default[2]; //fill textbox with default value of start caption
End_caption_textBox.Text = slider.Slider_default[3]; //fill textbox with default value of end caption
Slider_panel.Visible = true;
break;
case 1:
Smiley smiley = (Smiley)question;
Shared_label.Text = "Smiles :";
Shared_label.Visible = true;
QuestionTip.SetToolTip(Shared_numeric, "Enter number of smiles");
Shared_numeric.Value = smiley.Smiles_default; //fill textbox with default value of faces
Slider_panel.Visible = false;
break;
case 2:
Stars stars = (Stars)question;
Shared_label.Text = "Stars :";
Shared_label.Visible = true;
QuestionTip.SetToolTip(Shared_numeric, "Enter number of stars");
Shared_numeric.Value = stars.Stars_default; //fill textbox with default value of stars
Slider_panel.Visible = false;
break;
}
}
/// <summary>
/// change question values if they are correct.
/// </summary>
/// <param name="Values">The values.</param>
/// <returns></returns>
/// <exception cref="FormatException">
/// </exception>
private bool Change_Values()//check if values are changed or not
{
try
{
question.Question_order = Q_order;
if (!IsEmpty(question_box))
{
question.Question_text = question_box.Text;//validate user input
}
else
{
MessageBox.Show("Please write a question", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("Please write a question");
return(false);
}
}
catch (FormatException ex)
{
MessageBox.Show("Question should not contain a number", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("Question should not contain a number", ex);
return(false);
}
if (question.Question_type == "Slider")
{
Slider slider = (Slider)question;
try
{
if (!IsEmpty(Shared_numeric))
{
slider.Start = Int32.Parse(Shared_numeric.Text);
}
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show("Start values should be between 0-100", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("Start values should be between 0-100", ex);
return(false);
}
try
{
if (!IsEmpty(End_numeric))
{
slider.End = Int32.Parse(End_numeric.Text);
}
if (!IsEmpty(End_caption_textBox))
{
slider.End_Caption = End_caption_textBox.Text;
}
if (!IsEmpty(Start_caption_textBox))
{
slider.Start_Caption = Start_caption_textBox.Text;
}
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show("End value should be between 0-100", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("End value should be between 0-100", ex);
return(false);
}
try
{
return(slider.Validate());
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show("Start value should be lower than End value", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("Start value should be lower than End value", ex);
return(false);
}
}
else if (question.Question_type == "Smiley")
{
Smiley smiley = (Smiley)question;
try
{
if (!IsEmpty(Shared_numeric))
{
smiley.Smiles = Int32.Parse(Shared_numeric.Text);
}
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show("Number of faces should be between 2-5", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("Number of faces should be between 2-5", ex);
return(false);
}
}
else if (question.Question_type == "Stars")
{
Stars stars = (Stars)question;
try
{
if (!IsEmpty(Shared_numeric))
{
stars.Star = Int32.Parse(Shared_numeric.Text);
}
}
catch (ArgumentOutOfRangeException ex)
{
MessageBox.Show("Number of stars should be between 0-10", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Print_Errors("Number of stars should be between 0-10", ex);
return(false);
}
}
return(true);
}
/// <summary>
/// Determines whether the specified box is empty.
/// </summary>
/// <param name="box">The box.</param>
/// <returns>
/// <c>true</c> if the specified box is empty; otherwise, <c>false</c>.
/// </returns>
private bool IsEmpty(object box)
{
if (ReferenceEquals(box, question_box))
{
if (question_box.Text == "")
{
return(true);
}
else
{
return(false);
}
}
else if (ReferenceEquals(box, Shared_numeric))
{
switch (question.Question_type)
{
case "Slider":
Slider slider = (Slider)question;
if (Shared_numeric.Value == Int32.Parse(slider.Slider_default[0]))
{
return(true);
}
else
{
return(false);
}
case "Smiley":
Smiley smiley = (Smiley)question;
if (Shared_numeric.Value == smiley.Smiles_default)
{
return(true);
}
else
{
return(false);
}
case "Stars":
Stars stars = (Stars)question;
if (Shared_numeric.Value == stars.Stars_default)
{
return(true);
}
else
{
return(false);
}
default:
return(false);
}
}
else if (ReferenceEquals(box, End_numeric))
{
Slider slider = (Slider)question;
if (End_numeric.Value == Int32.Parse(slider.Slider_default[1]))
{
return(true);
}
else
{
return(false);
}
}
else if (ReferenceEquals(box, Start_caption_textBox) || Start_caption_textBox.Text == "")
{
Slider slider = (Slider)question;
if (Start_caption_textBox.Text == slider.Slider_default[2])
{
return(true);
}
else
{
return(false);
}
}
else if (ReferenceEquals(box, End_caption_textBox) || End_caption_textBox.Text == "")
{
Slider slider = (Slider)question;
if (End_caption_textBox.Text == slider.Slider_default[3])
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}