[Animation] Regression: Misbehavior of *Transition within ParallelTransition

When a Transition is put into a ParallelTransition, it does not behave as expected and as it did in JavaFX 2.2.

See this example: The transition always starts at y = 0, although it should have another value.

This is a regression and nearly the same bug as in RT-32811.

(The only difference is, that this bug is with ParallelTransition, where as the other one was with SequentialTransition).

Tested with Java 8 b120.


import javafx.animation.ParallelTransition;
import javafx.animation.RotateTransition;
import javafx.animation.SequentialTransition;
import javafx.animation.TranslateTransition;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.util.Duration;

public class TestApp5 extends Application {
    public static void main(String[] args) {
        Application.launch();
    }

    private int y = 1;

    @Override
    public void start(Stage stage) throws Exception {
        Rectangle rectangle = new Rectangle(50, 50, Color.RED);

        final ParallelTransition parallelTransition = new ParallelTransition();
        final RotateTransition rotateTransition = new RotateTransition(Duration.seconds(1), rectangle);
        rotateTransition.setToAngle(0);
        final TranslateTransition translateTransition = new TranslateTransition(Duration.seconds(1), rectangle);
        translateTransition.setToY(y * 10);

        parallelTransition.getChildren().addAll(translateTransition);

        Group group = new Group();
        group.getChildren().add(rectangle);

        parallelTransition.setOnFinished(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent actionEvent) {
                // This line helps a little bit, but there's still a lot of flickering.
                // And it wasn't needed in JavaFX 2.2.
                //translateTransition.setFromY(y * 10);
                translateTransition.setToY(++y * 10);
                //rotateTransition.setToAngle(rotateTransition.getToAngle()+90);
                parallelTransition.playFromStart();
            }
        });
        parallelTransition.playFromStart();

        Scene scene = new Scene(group, 500, 500);
        stage.setScene(scene);
        stage.show();
    }
}