Javafx onMouseclicked 上

Question

我有一个设置场景和舞台的主类

public class MediaPlayer extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        Parent root = FXMLLoader.load(getClass().getResource("Main-UI.fxml"));
        stage.setTitle("Media Player");
        stage.setScene(new Scene(root));
        stage.show();
    }
}

我还有一个 Controller 类，我在其中实现了大部分功能等。由于某种原因，我的 setOnMouseClicked 似乎不起作用。这是因为它不是调用 stage.show() 的同一个文件

下面是鼠标事件不起作用的函数示例。

private void setMediaViews(){
        String path = "E:" + File.separator + "Videos" +  File.separator + "UFC.205.PPV.Alvarez.vs.McGregor.HDTV.x264-Ebi.mp4";

        media = new Media(new File(path).toURI().toString());
        player = new MediaPlayer(media);
        view = new MediaView(player);
        VBox vbox = new VBox();
        Slider slider = new Slider();
        vbox.getChildren().add(slider);

        videoMediaCont.setCenter(view);
        videoMediaCont.setBottom(vbox);

        player.play();

        player.setOnReady(new Runnable() {
            @Override
            public void run() {
                int w = player.getMedia().getWidth();
                int h = player.getMedia().getHeight();


                view.setFitWidth(900);
                vbox.setAlignment(Pos.CENTER);
                vbox.setMinHeight(50);

                slider.setMaxSize(900,50);
                slider.setMin(0.0);
                slider.setValue(0.0);
                slider.setMax(player.getTotalDuration().toSeconds());
                slider.setOnMouseClicked(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        player.seek(Duration.seconds(slider.getValue()));
                    }

                });

            }
        });

        player.currentTimeProperty().addListener(new ChangeListener<Duration>() {
            @Override
            public void changed(ObservableValue<? extends Duration> observable, Duration oldValue, Duration current) {
                slider.setValue(current.toSeconds());
            }
        });


    }

任何帮助都会非常感谢。

Answer 1

我发现您尝试更改 slider 的值，如 docs 中所述。将您的“OnMouseClicked”事件替换为:

slider.valueProperty().addListener(new ChangeListener<Number>() {
        public void changed(ObservableValue<? extends Number> ov,
                           Number old_val, Number new_val) { 

            player.seek(Duration.seconds((double) new_val);

        }});