/// <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>
/// Rotates the cipher
/// </summary>
/// <param name="n">the rotor number</param>
/// <param name="dir">the direction of rotation</param>
private void RotateCypher(int n, int dir = 1)
{
// if the direction is positive, set it to 1
if (dir > 0)
{
dir = 1;
}
// if the direction is negative, set it to -1
else if (dir < 0)
{
dir = -1;
}
// gets the rotor with the desired number
Rotors r = machine.GetRotor(n);
// rotates the rotor
machine.RotateRotor(r, dir);
// rotate the rotor controls
RotateControls(n, dir);
}
/// <summary>
/// Sets the initial rotor settings
/// </summary>
/// <param name="cb">the combobox to set</param>
/// <param name="rotor">The rotor to store the information in</param>
public void RotorLoad(ComboBox cb, Rotors rotor)
{
// if the combobox is initialized
if (cb != null)
{
// store the rotor number and sets the cipher number to the index
int rNum = pnRotorNumbers.Controls.IndexOf(cb as Control);
rotor.CipherNumber = rNum;
// if the combobox has values in it, clear it
if (cb.Items.Count > 0)
{
cb.Items.Clear();
}
// sets the combobox information based on the numbers from the rotors
string[] rotorNums = Rotors.GetRotorNumbers().Split(' ');
cb.Items.AddRange(rotorNums);
// appends the keydown event
cb.KeyDown += ComboBoxKeyDown;
}
}
