/**
 * Handle a touch event.
 *
 * @param event
 *            The touch event.
 */
private void handleTouchEvent(final TouchEvent event) {
	if (event.getEventType().equals(TouchEvent.TOUCH_PRESSED)) {
		mTouchCount = event.getTouchCount();
	}
	else if (event.getEventType().equals(TouchEvent.TOUCH_RELEASED)) {
		// getTouchCount gives the number of touch points before the release.
		mTouchCount = event.getTouchCount() - 1;
	}

	if (mTouchCount > 1) {
		List<TouchPoint> touchPoints = event.getTouchPoints();
		double sumX = 0;
		double sumY = 0;
		for (TouchPoint point : touchPoints) {
			sumX += point.getX();
			sumY += point.getY();
		}
		mTouchXProperty.set(sumX / touchPoints.size());
		mTouchYProperty.set(sumY / touchPoints.size());
	}
}
 

private void handleTouchEvent(final TouchEvent TOUCH_EVENT) {
    final Object    SRC  = TOUCH_EVENT.getSource();
    final EventType TYPE = TOUCH_EVENT.getEventType();
    if (SRC.equals(targetIndicator)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getTarget()));
            resizeText();
        } else if (TouchEvent.TOUCH_MOVED == TYPE) {
            touchRotate(TOUCH_EVENT.getTouchPoint().getSceneX() - getSkinnable().getLayoutX(), TOUCH_EVENT.getTouchPoint().getSceneY() - getSkinnable().getLayoutY(),
                        targetIndicatorRotate);
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            getSkinnable().setTarget(Double.parseDouble(value.getText()));
            fadeBack();
        }
    }
}
 

private MenuButton buildSubmenu(MenuItem item) {
  Menu menu = (Menu) item;
  MenuButton menuButton = new MenuButton();
  menuButton.setPopupSide(Side.RIGHT);
  menuButton.graphicProperty().bind(menu.graphicProperty());
  menuButton.textProperty().bind(menu.textProperty());
  menuButton.disableProperty().bind(menu.disableProperty());
  menuButton.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE);
  menuButton.getStyleClass().addAll(item.getStyleClass());
  Bindings.bindContent(menuButton.getItems(), menu.getItems());

  // To determine if a TOUCH_RELEASED event happens.
  // The MOUSE_ENTERED results in an unexpected behaviour on touch events.
  // Event filter triggers before the handler.
  menuButton.addEventFilter(TouchEvent.TOUCH_RELEASED, e -> isTouchUsed = true);

  // Only when ALWAYS or SOMETIMES
  if (!Priority.NEVER.equals(getSkinnable().getMenuHoverBehavior())) {
    menuButton.addEventHandler(MouseEvent.MOUSE_ENTERED, e -> { // Triggers on hovering over Menu
      if (isTouchUsed) {
        isTouchUsed = false;
        return;
      }
      // When ALWAYS, then trigger immediately. Else check if clicked before (case: SOMETIMES)
      if (Priority.ALWAYS.equals(getSkinnable().getMenuHoverBehavior())
          || (hoveredBtn != null && hoveredBtn.isShowing())) {
        menuButton.show(); // Shows the context-menu
        if (hoveredBtn != null && hoveredBtn != menuButton) {
          hoveredBtn.hide(); // Hides the previously hovered Button if not null and not self
        }
      }
      hoveredBtn = menuButton; // Add the button as previously hovered
    });
  }
  return menuButton;
}
 

private MenuButton buildSubmenu(MenuItem item) {
  Menu menu = (Menu) item;
  MenuButton menuButton = new MenuButton();
  menuButton.setPopupSide(Side.RIGHT);
  menuButton.graphicProperty().bind(menu.graphicProperty());
  menuButton.textProperty().bind(menu.textProperty());
  menuButton.disableProperty().bind(menu.disableProperty());
  menuButton.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE);
  menuButton.getStyleClass().addAll(item.getStyleClass());
  Bindings.bindContent(menuButton.getItems(), menu.getItems());

  // To determine if a TOUCH_RELEASED event happens.
  // The MOUSE_ENTERED results in an unexpected behaviour on touch events.
  // Event filter triggers before the handler.
  menuButton.addEventFilter(TouchEvent.TOUCH_RELEASED, e -> isTouchUsed = true);

  // Only when ALWAYS or SOMETIMES
  if (!Priority.NEVER.equals(getSkinnable().getMenuHoverBehavior())) {
    menuButton.addEventHandler(MouseEvent.MOUSE_ENTERED, e -> { // Triggers on hovering over Menu
      if (isTouchUsed) {
        isTouchUsed = false;
        return;
      }
      // When ALWAYS, then trigger immediately. Else check if clicked before (case: SOMETIMES)
      if (Priority.ALWAYS.equals(getSkinnable().getMenuHoverBehavior())
          || (hoveredBtn != null && hoveredBtn.isShowing())) {
        menuButton.show(); // Shows the context-menu
        if (hoveredBtn != null && hoveredBtn != menuButton) {
          hoveredBtn.hide(); // Hides the previously hovered Button if not null and not self
        }
      }
      hoveredBtn = menuButton; // Add the button as previously hovered
    });
  }
  return menuButton;
}
 

private void installDismissEventHandler(Window window) {
    oldEventDispatcher = window.getEventDispatcher();
    window.setEventDispatcher((event, tail) -> {
        EventType<?> eventType = event.getEventType();
        if (eventType == MouseEvent.MOUSE_PRESSED 
                || eventType == TouchEvent.TOUCH_PRESSED) {
            // Dismiss
            hide();
        } else {
            // Event in the popup window.
            tail.dispatchEvent(event);
        }
        return null;
    });
}
 

public SpaceFXView(Stage stage) {
    gameSoundTheme          = Media.getMedia(getClass().getResource("RaceToMars.mp3").toExternalForm(), stage);
    soundTheme              = Media.getMedia(getClass().getResource("CityStomper.mp3").toExternalForm(), stage);
    gameMediaPlayer         = MediaPlayer.getMediaPlayer(gameSoundTheme);
    mediaPlayer             = MediaPlayer.getMediaPlayer(soundTheme);

    init(stage);
    initOnBackground(stage);

    stage.showingProperty().addListener((p,o,value) -> {
        if(!value) {
            screenTimer.stop();
            timer.stop();
            mediaPlayer.stop();
        }
    });

    Pane pane = new Pane(canvas, shipTouchArea, hallOfFameBox, playerInitialsLabel, playerInitialsDigits, saveInitialsButton);
    //pane.setPrefSize(WIDTH, HEIGHT);
    pane.setBackground(new Background(new BackgroundFill(Color.BLACK, CornerRadii.EMPTY, Insets.EMPTY)));

    if (SHOW_BUTTONS) {
        canvas.addEventHandler(TouchEvent.TOUCH_PRESSED, touchHandler);
        shipTouchArea.setOnTouchMoved(e -> {
            spaceShip.x = e.getTouchPoint().getX();
            spaceShip.y = e.getTouchPoint().getY();
        });
    } else {
        shipTouchArea.setOnMouseDragged(e -> {
            spaceShip.x = e.getX();
            spaceShip.y = e.getY();
        });
    }

    saveInitialsButton.setOnAction(e -> storePlayer());

    setBackground(new Background(new BackgroundFill(Color.BLACK, CornerRadii.EMPTY, Insets.EMPTY)));
    getChildren().add(pane);

    // Start playing background music
    if (PLAY_MUSIC) { mediaPlayer.play(); }

    // Start timer to toggle between start screen and hall of fame
    screenTimer.start();
}
 

private void handleTouchEvent(final TouchEvent TOUCH_EVENT) {
    final Object    SRC  = TOUCH_EVENT.getSource();
    final EventType TYPE = TOUCH_EVENT.getEventType();
    if (SRC.equals(threshold)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText("Threshold");
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getThreshold()));
            resizeText();
        } else if (TouchEvent.TOUCH_MOVED == TYPE) {
            touchRotate(TOUCH_EVENT.getTouchPoint().getSceneX() - getSkinnable().getLayoutX(), TOUCH_EVENT.getTouchPoint().getSceneY() - getSkinnable().getLayoutY(), thresholdRotate);
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            getSkinnable().setThreshold(Double.parseDouble(value.getText()));
            fadeBackToInteractive();
        }
    } else if (SRC instanceof Marker) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText(((Marker) SRC).getText());
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", ((Marker) SRC).getValue()));
            resizeText();
        } else if (TouchEvent.TOUCH_MOVED == TYPE) {
            touchRotate(TOUCH_EVENT.getTouchPoint().getSceneX() - getSkinnable().getLayoutX(), TOUCH_EVENT.getTouchPoint().getSceneY() - getSkinnable().getLayoutY(), getSkinnable().getMarkers().get(SRC));
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            ((Marker) SRC).setValue(Double.parseDouble(value.getText()));
            fadeBackToInteractive();
        }
    } else if (SRC.equals(minMeasuredValue)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText("Min");
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getMinMeasuredValue()));
            resizeText();
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            fadeBackToInteractive();
        }
    } else if (SRC.equals(maxMeasuredValue)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText("Max");
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getMaxMeasuredValue()));
            resizeText();
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            fadeBackToInteractive();
        }
    }
}
 

private void handleTouchEvent(final TouchEvent TOUCH_EVENT) {
    final Object    SRC  = TOUCH_EVENT.getSource();
    final EventType TYPE = TOUCH_EVENT.getEventType();
    if (SRC.equals(threshold)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText("Threshold");
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getThreshold()));
            resizeText();
        } else if (TouchEvent.TOUCH_MOVED == TYPE) {
            touchRotate(TOUCH_EVENT.getTouchPoint().getSceneX() - getSkinnable().getLayoutX(), TOUCH_EVENT.getTouchPoint().getSceneY() - getSkinnable().getLayoutY(), thresholdRotate);
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            getSkinnable().setThreshold(Double.parseDouble(value.getText()));
            fadeBackToInteractive();
        }
    } else if (SRC instanceof Marker) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText(((Marker) SRC).getText());
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", ((Marker) SRC).getValue()));
            resizeText();
        } else if (TouchEvent.TOUCH_MOVED == TYPE) {
            touchRotate(TOUCH_EVENT.getTouchPoint().getSceneX() - getSkinnable().getLayoutX(), TOUCH_EVENT.getTouchPoint().getSceneY() - getSkinnable().getLayoutY(), getSkinnable().getMarkers().get(SRC));
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            ((Marker) SRC).setValue(Double.parseDouble(value.getText()));
            fadeBackToInteractive();
        }
    } else if (SRC.equals(minMeasuredValue)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText("Min");
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getMinMeasuredValue()));
            resizeText();
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            fadeBackToInteractive();
        }
    } else if (SRC.equals(maxMeasuredValue)) {
        if (TouchEvent.TOUCH_PRESSED == TYPE) {
            unit.setText("Max");
            value.setText(String.format(Locale.US, "%." + getSkinnable().getDecimals() + "f", getSkinnable().getMaxMeasuredValue()));
            resizeText();
        } else if (TouchEvent.TOUCH_RELEASED == TYPE) {
            fadeBackToInteractive();
        }
    }
}