Beispiel #1
0
  @Override
  protected boolean keyPressed(KeyCode code) {
    if (code.isDigitKey()
        && code.ordinal() > KeyCode.DIGIT0.ordinal()
        && code.ordinal() <= KeyCode.DIGIT9.ordinal()) {
      int value = code.ordinal() - KeyCode.DIGIT0.ordinal();

      if (value > 0 && sudoku.isValidAssignment(selectedX, selectedY, value)) {
        sudoku.placeDigit(selectedX, selectedY, value);
      }
    } else if (code.equals(KeyCode.BACK_SPACE) || code.equals(KeyCode.DELETE)) {
      if (sudoku.isValidAssignment(selectedX, selectedY, null)) {
        sudoku.placeDigit(selectedX, selectedY, null);
      }
    }

    updateState(true);

    return true;
  }