javafx.scene.control.TextField#setAlignment ( )源码实例Demo

public FieldCell(Field<?> value, int index) {
	getStyleClass().add("field-cell");
	getStyleClass().add("field-cell-" + (index % 2 == 0 ? "even" : "odd"));
	this.value = value;
	textField = new TextField();
	getChildren().addAll(new Label(value.getType().toString()), textField);
	textField.textProperty().addListener((a, o, n) -> onInput(n));
	textField.setAlignment(Pos.CENTER);
}
 

private TextField createDistanceTextField(double x, double y) {
	final TextField distanceTextField = new TextField();
	distanceTextField.setPromptText("(mm)");
	distanceTextField.setLayoutX(x);
	distanceTextField.setLayoutY(y);
	distanceTextField.setPrefWidth(75);
	distanceTextField.setAlignment(Pos.CENTER);
	distanceTextField.textProperty().addListener(new NumberOnlyChangeListener(distanceTextField));

	return distanceTextField;
}
 

@Override // Override the start method in the Application class
public void start(Stage primaryStage) {
	SierpinskiTrianglePane trianglePane = new SierpinskiTrianglePane();
	TextField tfOrder = new TextField();
	tfOrder.setOnAction(
		e -> trianglePane.setOrder(Integer.parseInt(tfOrder.getText())));
	tfOrder.setPrefColumnCount(4);
	tfOrder.setAlignment(Pos.BOTTOM_RIGHT);

	// Pane to hold label, text field, and a button
	HBox hBox = new HBox(10);
	hBox.getChildren().addAll(new Label("Enter an order: "), tfOrder);
	hBox.setAlignment(Pos.CENTER);

	BorderPane borderPane = new BorderPane();
	borderPane.setCenter(trianglePane);
	borderPane.setBottom(hBox);

	// Create a scene and place it in the stage
	Scene scene = new Scene(borderPane, 200, 210);
	primaryStage.setTitle("Exercise_18_36"); // Set the stage title
	primaryStage.setScene(scene); // Place the scene in the stage
	primaryStage.show(); // Display the stage

	scene.widthProperty().addListener(ov -> trianglePane.paint());
	scene.heightProperty().addListener(ov -> trianglePane.paint());
}