private void CellDidChange(object sender, DataGridViewCellEventArgs e)
{
DataGridViewTextBoxCell cell = (DataGridViewTextBoxCell)DGGameBoardView.CurrentCell;
_board.SetUpTile(cell.RowIndex, cell.ColumnIndex, Convert.ToInt32(cell.Value), false);
bool rowSolved = _board.CheckRow(cell.RowIndex);
bool colSolved = _board.CheckCol(cell.ColumnIndex);
List <bool> listOfAllRegionStatus = new List <bool> {
};
int rowsInRegion = 0;
switch (_board.Size)
{
case 9:
rowsInRegion = 3;
break;
case 6:
rowsInRegion = 2;
break;
default:
break;
}
for (int r = 0; r < (_board.Size); r += rowsInRegion)
{
for (int c = 0; c < (_board.Size); c += 3)
{
bool regionSolved = _board.CheckRegion(r, c, rowsInRegion);
if (regionSolved)
{
listOfAllRegionStatus.Add(true);
}
}
}
bool regionsComplete = false;
if (listOfAllRegionStatus.Count == _board.Size)
{
regionsComplete = true;
}
if (rowSolved && colSolved && regionsComplete)
{
SolvedLabel.Text = "SOLVED";
}
}
private void OpenSudokuFile()
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "Text |*.txt";
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
FileStream fs = (FileStream)dialog.OpenFile();
StreamReader reader = new StreamReader(fs);
string boardSize = reader.ReadLine();
int size;
switch (boardSize)
{
case "4x4":
size = 4;
break;
case "6x6":
size = 6;
break;
case "9x9":
size = 9;
break;
default:
size = 0;
break;
}
_board = new GameBoard(size);
while (!reader.EndOfStream)
{
//Read the locked tiles.
string tileLine = reader.ReadLine();
string[] tileDetails = tileLine.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
_board.SetUpTile(Convert.ToInt32(tileDetails[0]), Convert.ToInt32(tileDetails[1]), Convert.ToInt32(tileDetails[2]), true);
}
reader.Close();
BindGameBoardToUI();
}
}
//Form Methods
private bool OpenSudokuFile()
{
//Read a .txt file containing the sudoku puzzle.
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "Text |*.txt";
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
FileStream fs = (FileStream)dialog.OpenFile();
StreamReader reader = new StreamReader(fs);
string boardSize = reader.ReadLine();
int size;
switch (boardSize)
{
case "4x4":
size = 4;
break;
case "6x6":
size = 6;
break;
case "9x9":
size = 9;
break;
default:
//Crazy size. We can't handle that.
size = 0;
StatusLabel.Text = String.Format("Error, can't make a {0} board.", boardSize);
StatusLabel.ForeColor = Color.Red;
StatusLabel.Visible = true;
return(false);
}
_board = new GameBoard(size);
while (!reader.EndOfStream)
{
//Read the 'locked' tiles from the file.
string tileLine = reader.ReadLine();
string[] tileDetails = tileLine.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
try {
_board.SetUpTile(Convert.ToInt32(tileDetails[0]), Convert.ToInt32(tileDetails[1]), Convert.ToInt32(tileDetails[2]), true);
} catch {
//The file was not correct.
StatusLabel.Text = "Error: The File Could Not Be Read";
StatusLabel.Visible = true;
StatusLabel.ForeColor = Color.Red;
reader.Close();
return(false);
}
}
reader.Close();
}
else
{
//User cancelled finding a file, bad user.
return(false);
}
return(true);
}
private void CellDidChange(object sender, DataGridViewCellEventArgs e)
{
//User entered something into a cell, figure out if it is valid, and check if they solved any regions, rows, columns, or the whole thing.
DataGridViewTextBoxCell cell = (DataGridViewTextBoxCell)DGGameBoardView.CurrentCell;
try {
_board.SetUpTile(cell.RowIndex, cell.ColumnIndex, Convert.ToInt32(cell.Value), false);
} catch {
//User entered something other than a number. Sudoku != Crossword.
StatusLabel.Text = "Error: Please enter a number from 1 - 9";
StatusLabel.ForeColor = Color.Red;
StatusLabel.Visible = true;
cell.Value = null;
}
bool rowSolved = _board.CheckRow(cell.RowIndex);
if (rowSolved)
{
for (int i = 0; i < _board.Size; i++)
{
cell.OwningRow.Cells[i].Style.BackColor = Color.LightGreen;
}
}
bool colSolved = _board.CheckCol(cell.ColumnIndex);
if (colSolved)
{
for (int i = 0; i < _board.Size; i++)
{
cell.OwningColumn.DefaultCellStyle.BackColor = Color.LightGreen;
}
}
List <bool> listOfAllRegionStatus = new List <bool> {
};
for (int r = 0; r < (_board.Size); r += _board.RowsInRegion)
{
for (int c = 0; c < (_board.Size); c += _board.ColsInRegion)
{
bool regionSolved = _board.CheckRegion(r, c);
if (regionSolved)
{
listOfAllRegionStatus.Add(true);
}
}
}
bool regionsComplete = false;
if (listOfAllRegionStatus.Count == _board.Size)
{
regionsComplete = true;
}
if (rowSolved && colSolved && regionsComplete)
{
//User did a sudoku.
StatusLabel.Text = "Puzzle Solved!";
StatusLabel.ForeColor = Color.Black;
StatusLabel.Visible = true;
}
}
