Пример #1
0
        private bool IsMoveValid()
        {
            foreach (var button in _buttons.Where(button => SudokuPuzzle.GetColumn(button) == SudokuPuzzle.GetColumn(SelectedButton)))
            {
                if (SudokuPuzzle.GetValue(button) == SelectedValue)
                {
                    return(false);
                }
            }
            foreach (var button in _buttons.Where(button => SudokuPuzzle.GetRow(button) == SudokuPuzzle.GetRow(SelectedButton)))
            {
                if (SudokuPuzzle.GetValue(button) == SelectedValue)
                {
                    return(false);
                }
            }
            foreach (var button in _buttons.Where(button => SudokuPuzzle.GetRegion(button) == SudokuPuzzle.GetRegion(SelectedButton)))
            {
                if (SudokuPuzzle.GetValue(button) == SelectedValue)
                {
                    return(false);
                }
            }

            TextBlock1.Text = string.Empty;
            return(true);
        }
Пример #2
0
        private void Cell_Click(object sender, RoutedEventArgs e)
        {
            if (!(sender is MenuItem mi))
            {
                return;
            }

            if (!(mi.CommandParameter is ContextMenu cm))
            {
                return;
            }
            if (!(cm.PlacementTarget is Button button))
            {
                return;
            }

            if (mi.Header.ToString() == @"Erase")
            {
                button.Content = string.Empty;
                return;
            }

            SelectedButton = button;
            SelectedValue  = int.Parse(mi.Header.ToString().Substring(5));
            var col = SudokuPuzzle.GetColumn(button);
            var row = SudokuPuzzle.GetRow(button);

            if (GameState == string.Empty)
            {
                GameState = LoadGameFromDisk();
            }

            if (GameState.Length != 81)
            {
                throw new Exception("Input string format was not valid!");
            }

            var oldString = GameState;

            Trace.WriteLine($"GameState = {oldString}");

            var sb            = new StringBuilder(oldString);
            var startPosition = GetPositionInFileContents(col, row);

            sb.Remove(startPosition, 1);
            sb.Insert(startPosition, SelectedValue);
            var newString = sb.ToString();

            GameState = newString;
            Trace.WriteLine($"GameState = {newString}");
            OnPropertyRaised(GameState);
            if (IsMoveValid())
            {
                button.Content = SelectedValue;
                SetCandidates(ref button);
                SetAsUserCell(ref button);
                LoadSavedGame(true);
            }
            else
            {
                ShowMessage("Invalid move!");
            }
        }