/// <summary>
/// Initializes the form
/// </summary>
public EnigmaMachineUI()
{
InitializeComponent();
this.KeyPreview = true; // makes the form the starting point for key presses
// sets the sizes
this.MaximumSize = this.Size;
this.MinimumSize = this.Size;
this.MaximizeBox = false;
this.MinimizeBox = false;
// sets the Rotor defaults
Rotors.SetRotorDefaults = FileManagement.GetInformationFromFile(FileNames.Rotors);
// initializes three rotors
Rotors[] rotors = new Rotors[3];
// runs through each control in the rotor panel
for (int i = 0; i < pnRotorNumbers.Controls.Count; i++)
{
// attempts to convert the control to a combobox
ComboBox cb = pnRotorNumbers.Controls[i] as ComboBox;
// if successful
if (cb != null)
{
// sets the rotor information
rotors[i] = new Rotors(i);
RotorLoad(cb, rotors[i]);
cb.SelectedIndex = i;
}
}
// loads the reflector combo box
ReflectorLoad();
// initializes a new machine
machine = new Machine(rotors, Reflector.GetReflectorString(cbReflector.SelectedIndex), "");
// adds the labels to the three letter panels
AddLabels(pnLamps);
AddLabels(pnKeys);
AddLabels(pnPlugboard);
// counts the number of rotors on the form and sets the offset controls
int num = pnRotorNumbers.Controls.Count;
for (int i = 0; i < num; i++)
{
OffsetLoad(i);
}
// initializes the colours used array
colourUsed = new bool[colours.Length];
// sets the plugboard header to the default foreground colour
lbPlugboardHeader.ForeColor = DEFAULT_LETTER_FG_COLOUR;
// centers the clear button
btnClearPlugboard.Location = new Point(this.Width / 2 - btnClearPlugboard.Width / 2, 595);
}
/// <summary>
/// Encrypts the letter
/// </summary>
/// <param name="c">the character to encrypt</param>
public void EncryptNewValue(char c)
{
// sends the letter through the machine to encrypt
char encrypted = machine.DetermineEncryptedLetter(c);
// the string to append
string encryptedString = encrypted.ToString();
// determines if a space is needed
CheckOutputMultiple(ref encryptedString);
// if the output textbox is 0, clear the output file
if (tbOutput.Text.Length <= 0)
{
FileManagement.ClearOutput();
}
// appends the string to the output textbox and output file
tbOutput.Text += encryptedString;
FileManagement.AppendToOutput(encryptedString);
// lights up the lamp for the encrypted letter
foreach (Label l in pnLamps.Controls)
{
if (l.Text == encrypted.ToString())
{
l.BackColor = Color.Yellow;
l.ForeColor = Color.Black;
break;
}
}
RotateControls(2);
// rotates the center rotor if required
if (machine.CheckIfRotate(2))
{
RotateControls(1);
// rotates the left rotor if required
if (machine.CheckIfRotate(1))
{
RotateControls(0);
}
}
}