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package tests;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.control.Slider;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

/**
 *
 * @author sjiang
 */
public class SliderTest1 extends Application {
    public static void main(String[] args) throws Exception {
        Application.launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        VBox vbox = new VBox(5);
        final Slider s1 = new Slider();
        Slider s2 = new Slider();
        
        vbox.getChildren().addAll(s1, s2);
        
        Scene scene = new Scene(vbox);
        stage.setScene(scene);
        stage.setWidth(350);
        stage.setHeight(620);
        
        stage.show();
        
        s1.requestFocus();
        s1.focusedProperty().addListener(new ChangeListener<Boolean>() {
            @Override
            public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2) {
                System.out.println("---slider focused "+arg2);
                if (arg2) {
                    s1.focusedProperty().removeListener(this);
                }
            }
        });
    }
}