private void input_TextChanged(object sender, EventArgs e)
{
if (enigma == null)
{
try
{
SetNewSettings();
enigma = new Enigma(wheels, reflector, plugboardSets);
enigma.SetWheelPositions(new char[] { rotorLab1.Text[0], rotorLab2.Text[0], rotorLab3.Text[0] });
SetUIToCurrentSets();
currentInputLength = 0;
}
catch (NullReferenceException)
{
MessageBox.Show("Select all settings");
return;
}
}
if (input.Text == "")
{
SetUIToCurrentSets();
output.Text = "";
enigma.SetWheelPositions(loadedCharPositions);
return;
}
if (input.Text.Length == currentInputLength)
{
return;
}
if (input.Text.Length == currentInputLength - 1)
{
output.Text = output.Text.Substring(0, output.Text.Length - 1);
enigma.RightWheel.RotateBack();
SetUIToCurrentSets();
return;
}
if (input.Text.Length < currentInputLength - 1 || input.Text.Length > currentInputLength + 1)
{
MessageBox.Show("That's an inappropriate move! You can only enter chars one by one. " +
"\r\n Process has been reseted.");
input.Text = "";
output.Text = "";
enigma.SetWheelPositions(loadedCharPositions);
SetUIToCurrentSets();
return;
}
if (!Array.TrueForAll(input.Text.ToCharArray(), s => IsLatin(s)))
{
MessageBox.Show("Only latin letters are allowed!");
input.Text = input.Text.Remove(input.Text.Length - 1);
return;
}
else
{
if (!CheckSettings())
{
SetNewSettings();
enigma = new Enigma(wheels, reflector, plugboardSets);
input.Text = "";
output.Text = "";
SetUIToCurrentSets();
MessageBox.Show("New settings have appeared. Process has been restarted.");
return;
}
}
output.Text += enigma.RotateAndEncode(input.Text.ToUpper()[input.Text.Length - 1]);
SetUIToCurrentSets();
}
