private void STATE_BEGIN_DISPLAYING(Request theRequest)
{
myState = solverState.BEGIN_DISPLAYING;
Request req = new Request(this, RequestType.GetSolved);
APIMonitor.Instance.NewRequest(req);
}
private void STATE_CLEARING(Request theRequest)
{
myState = solverState.CLEARING;
Request req = new Request(this, RequestType.Reset);
APIMonitor.Instance.NewRequest(req);
myMainWindow.ResetDisplay();
}
private void STATE_INVALID(Request theRequest)
{
myState = solverState.END_CHECKING_VALID;
ErrorMessage em = new ErrorMessage("This board is invalid.");
em.ShowDialog();
myMainWindow.EnableClearButton();
myMainWindow.EnableExitButton();
}
private void STATE_COMPL_DISPLAY(Request theRequest)
{
myMainWindow.DisplayResultsBoard(theRequest.GetByteData());
myState = solverState.COMPL_DISPLAYING;
myMainWindow.EnableClearButton();
myMainWindow.EnableExitButton();
}
private void STATE_EXITING(Request theRequest)
{
myState = solverState.EXITING;
if (myState != solverState.IDLE)
{
APIMonitor.Instance.NewRequest(new Request(this, RequestType.Shutdown));
}
else
{
EventOccured(transitionEvent.DATA_RCVD, null);
}
}
public SolverFSM(Main theMainWindow)
{
myMainWindow = theMainWindow;
myFSM = new myDelegate[(int)solverState.ALL_STATES, (int)transitionEvent.ALL_TXNS];
myFSM[(int)solverState.IDLE, (int)transitionEvent.SOLVE_CLICKED] = new myDelegate(STATE_SOLVING);
myFSM[(int)solverState.IDLE, (int)transitionEvent.CLEAR_CLICKED] = new myDelegate(STATE_CLEARING);
myFSM[(int)solverState.IDLE, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(STATE_EXITING);
myFSM[(int)solverState.SOLVING, (int)transitionEvent.WAIT_FOR_RESPONSE] = new myDelegate(STATE_POLLING);
myFSM[(int)solverState.POLLING, (int)transitionEvent.DATA_RCVD] = new myDelegate(DISPLAYING_EXTRA_DATA);
myFSM[(int)solverState.POLLING, (int)transitionEvent.BOARD_SOLVED] = new myDelegate(STATE_BEGIN_DISPLAYING);
myFSM[(int)solverState.POLLING, (int)transitionEvent.CLEAR_CLICKED] = new myDelegate(STATE_CLEARING);
myFSM[(int)solverState.POLLING, (int)transitionEvent.SOLVE_CLICKED] = new myDelegate(IgnoreEvent);
myFSM[(int)solverState.POLLING, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(STATE_EXITING);
myFSM[(int)solverState.POLLING, (int)transitionEvent.BOARD_IS_INVALID] = new myDelegate(STATE_INVALID);
myFSM[(int)solverState.POLLING, (int)transitionEvent.CONTINUE] = new myDelegate(STATE_POLLING);
myFSM[(int)solverState.BEGIN_DISPLAYING, (int)transitionEvent.DATA_RCVD] = new myDelegate(STATE_COMPL_DISPLAY);
myFSM[(int)solverState.COMPL_DISPLAYING, (int)transitionEvent.DATA_RCVD] = new myDelegate(DISPLAYING_EXTRA_DATA);
myFSM[(int)solverState.COMPL_DISPLAYING, (int)transitionEvent.CLEAR_CLICKED] = new myDelegate(STATE_CLEARING);
myFSM[(int)solverState.COMPL_DISPLAYING, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(STATE_CLOSING);
myFSM[(int)solverState.COMPL_DISPLAYING, (int)transitionEvent.SOLVE_CLICKED] = new myDelegate(STATE_SOLVING);
myFSM[(int)solverState.COMPL_DISPLAYING, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(STATE_EXITING);
myFSM[(int)solverState.CLEARING, (int)transitionEvent.SOLVE_CLICKED] = new myDelegate(STATE_SOLVING);
myFSM[(int)solverState.CLEARING, (int)transitionEvent.CLEAR_CLICKED] = new myDelegate(STATE_CLEARING);
myFSM[(int)solverState.CLEARING, (int)transitionEvent.DATA_RCVD] = new myDelegate(IgnoreEvent);
myFSM[(int)solverState.CLEARING, (int)transitionEvent.BOARD_NOT_SOLVED] = new myDelegate(IgnoreEvent);
myFSM[(int)solverState.CLEARING, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(STATE_EXITING);
myFSM[(int)solverState.CLEARING, (int)transitionEvent.BOARD_SOLVED] = new myDelegate(IgnoreEvent);
myFSM[(int)solverState.END_CHECKING_VALID, (int)transitionEvent.SOLVE_CLICKED] = new myDelegate(STATE_SOLVING);
myFSM[(int)solverState.END_CHECKING_VALID, (int)transitionEvent.DATA_RCVD] = new myDelegate(STATE_POLLING);
myFSM[(int)solverState.END_CHECKING_VALID, (int)transitionEvent.CLEAR_CLICKED] = new myDelegate(STATE_CLEARING);
myFSM[(int)solverState.END_CHECKING_VALID, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(STATE_EXITING);
myFSM[(int)solverState.EXITING, (int)transitionEvent.DATA_RCVD] = new myDelegate(STATE_CLOSING);
myFSM[(int)solverState.EXITING, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(IgnoreEvent);
myFSM[(int)solverState.CLOSING, (int)transitionEvent.EXIT_BUTTON_CLICKED] = new myDelegate(IgnoreEvent);
myState = solverState.IDLE;
myResponseCounter = 0;
}
private void STATE_SOLVING(Request theRequest)
{
myState = solverState.SOLVING;
SudokuLibApi.EnableGuessing();
myMainWindow.DisableClearButton();
myMainWindow.DisableExitButton();
// Convert the user input to a byte array to send to the Sudoku API
byte[] myBytes = new byte[81];
int byteIdx = 0;
for (int i = 1; i <= 9; ++i)
{
for (int j = 1; j <= 9; ++j)
{
if (myMainWindow.myInputBoxes[i, j].Text != string.Empty)
{
if (myMainWindow.myInputBoxes[i, j].Text == "?")
{
myBytes[byteIdx] = Convert.ToByte(0);
}
else
{
myBytes[byteIdx] = Convert.ToByte(Int32.Parse(myMainWindow.myInputBoxes[i, j].Text));
}
++byteIdx;
}
else
{
myBytes[byteIdx] = Convert.ToByte(0);
++byteIdx;
}
}
}
// Call the Sudoko API to initialize the board
SudokuLibApi.Reset();
SudokuLibApi.Initialize(myBytes);
EventOccured(SolverFSM.transitionEvent.WAIT_FOR_RESPONSE, null);
}
private void STATE_IDLE(Request theRequest)
{
myState = solverState.IDLE;
}
public void Run()
{
myState = solverState.IDLE;
}
private void STATE_CLOSING(Request theRequest)
{
myState = solverState.CLOSING;
myMainWindow.Shutdown();
}
private void STATE_POLLING(Request theRequest)
{
myState = solverState.POLLING;
APIMonitor.Instance.NewRequest(new Request(this, RequestType.GetBoardData));
}
