/**
   * La méthode initLayouts permet de récupérer notre vue AjoutCompetition.fxml et appelle le
   * controller qui lui est lié.
   */
  public void initLayouts() {
    try {
      FXMLLoader loader = new FXMLLoader();
      loader.setLocation(
          AjoutCompetition.class.getResource("../../view/Competition/AjoutCompetition.fxml"));
      GridPane panelPrincipal = (GridPane) loader.load();
      panelPrincipal.setStyle("-fx-background-color : " + MonAppli.COLORFENETRE + ";");
      rootLayout = new BorderPane();
      rootLayout.setPrefWidth(panelPrincipal.getWidth());
      rootLayout.setPrefHeight(panelPrincipal.getHeight());
      Scene scene = new Scene(rootLayout);
      this.setScene(scene);
      rootLayout.setCenter(panelPrincipal);

      AjoutCompetitionController controller = loader.getController();
      controller.setStagesCompetition(this, stageGestion);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }