/**
   * Make an event handler to remove the mot from the liste de mot en consultation when the window
   * is closed
   *
   * @param stageConsult
   * @param subController
   */
  private void setConsultWindowCloseHandler(Stage stageConsult, FXMLController_2 subController) {
    // Make an event handler to remove the mot from the liste de mot en consultation
    // when the stage is closed
    EventHandler<WindowEvent> windowEventHandlerConsult =
        new EventHandler<WindowEvent>() {
          @Override
          public void handle(WindowEvent event) {
            event.consume();
            model.supprimerMotEnConsultation(subController.motAConsulter);
            stageConsult.close();
          }
        };

    stageConsult.addEventHandler(WindowEvent.WINDOW_CLOSE_REQUEST, windowEventHandlerConsult);
  }
  @Override
  public void start(Stage primaryStage) {
    this.primaryStage = primaryStage;
    this.primaryStage.setTitle("SudokuSolver");
    primaryStage.setResizable(false);

    // Set the application icon.
    this.primaryStage.getIcons().add(new Image("file:resources/images/sudoku.png"));

    int[][] sudokuFeld = new int[9][9];
    for (int i = 0; i < 9; i++) {
      for (int j = 0; j < 9; j++) {
        sudokuFeld[i][j] = 0;
      }
    }
    sudoku = new Sudoku(sudokuFeld);

    initRootLayout();
    initSudokuLayout();

    primaryStage.addEventHandler(KeyEvent.KEY_PRESSED, scontroller.keyEventHandler);
  }