public string ToJsonDiff(CellState previous, int index)
{
if (Value > 0) {
if(Value == previous.Value)
return null;
} else if(Possibilities.SetEquals(previous.Possibilities)) {
return null;
}
return string.Format("[{0},{1}]", index, ToJson());
}
public SudokuCell(SudokuZone zone, int zoneRow, int zoneCol)
{
InitializeComponent();
this._zone = zone;
this._zoneRow = zoneRow;
this._zoneCol = zoneCol;
this._value = null;
this._cellState = SudokuCell.CellState.Editable;
this._textChangedHandler = new TextChangedEventHandler(CellTextBox_TextChanged);
this.DataContext = this;
this.CellTextBox.MaxLength = (zone.Grid.Puzzle.Rank * zone.Grid.Puzzle.Rank).ToString().Length;
this.BindTextBoxHandler();
}
public SudokuCell()
{
InitializeComponent();
this._zone = null;
this._zoneRow = 0;
this._zoneCol = 0;
this._value = null;
this._cellState = SudokuCell.CellState.Editable;
this._textChangedHandler = new TextChangedEventHandler(CellTextBox_TextChanged);
this.DataContext = this;
this.CellTextBox.MaxLength = (3 * 3).ToString().Length;
this.BindTextBoxHandler();
}
/// <summary>
/// Replaces current values with those in an existing <see cref="CellState"/>.
/// </summary>
public void LoadState(CellState state)
{
Value = state.Value;
Possibilities = new HashSet<int>(state.Possibilities);
}
