Example usage for javafx.scene Scene focusOwnerProperty

Introduction

In this page you can find the example usage for javafx.scene Scene focusOwnerProperty.

Prototype

public final ReadOnlyObjectProperty<Node> focusOwnerProperty() 

Source Link

Usage

From source file:Main.java

@Override
public void start(Stage stage) {
    TextField fName = new TextField();
    TextField lName = new TextField();
    TextField salary = new TextField();

    marker = new Circle(5);
    marker.setManaged(false);/*from   w w w.ja  v  a2  s.c  om*/
    marker.setFill(Color.RED);
    marker.setMouseTransparent(true);

    HBox hb1 = new HBox();
    HBox hb2 = new HBox();
    HBox hb3 = new HBox();
    hb1.getChildren().addAll(new Label("First Name:"), fName);
    hb2.getChildren().addAll(new Label("Last Name:"), lName);
    hb3.getChildren().addAll(new Label("Salary:"), salary);

    VBox root = new VBox();
    root.getChildren().addAll(hb1, hb2, hb3, marker);

    Scene scene = new Scene(root);

    scene.focusOwnerProperty().addListener((prop, oldNode, newNode) -> placeMarker(newNode));

    stage.setScene(scene);
    stage.setTitle("");
    stage.show();
}

---

From source file:Main.java

@Override
public void start(Stage stage) {
    TextField fName = new TextField();
    TextField lName = new TextField();
    TextField salary = new TextField();

    Button closeBtn = new Button("Close");
    closeBtn.setOnAction(e -> Platform.exit());

    fName.getProperties().put("microHelpText", "Enter the first name");
    lName.getProperties().put("microHelpText", "Enter the last name");
    salary.getProperties().put("microHelpText", "Enter a salary greater than $2000.00.");

    // The help text node is unmanaged
    helpText.setManaged(false);//from w  ww .  j  a v a2s.com
    helpText.setTextOrigin(VPos.TOP);
    helpText.setFill(Color.RED);
    helpText.setFont(Font.font(null, 9));
    helpText.setMouseTransparent(true);

    // Add all nodes to a GridPane
    GridPane root = new GridPane();

    root.add(new Label("First Name:"), 1, 1);
    root.add(fName, 2, 1);
    root.add(new Label("Last Name:"), 1, 2);
    root.add(lName, 2, 2);

    root.add(new Label("Salary:"), 1, 3);
    root.add(salary, 2, 3);
    root.add(closeBtn, 3, 3);
    root.add(helpText, 4, 3);

    Scene scene = new Scene(root, 300, 100);

    // Add a change listener to the scene, so we know when
    // the focus owner changes and display the micro help   
    scene.focusOwnerProperty().addListener((ObservableValue<? extends Node> value, Node oldNode,
            Node newNode) -> focusChanged(value, oldNode, newNode));
    stage.setScene(scene);
    stage.setTitle("Showing Micro Help");
    stage.show();
}

---