Java Region.setManaged方法代码示例

import javafx.scene.layout.Region; //导入方法依赖的package包/类
private void snapshotNode(Scene scene, Node node) {
    SnapshotParameters params = new SnapshotParameters();
    Bounds layoutBounds = node.getLayoutBounds();
    Bounds bounds = node.localToScene(layoutBounds);

    if (!(bounds.getWidth() > 0 && bounds.getHeight() > 0)) {
        return;
    }

    params.setViewport(new Rectangle2D(bounds.getMinX(), bounds.getMinY(), bounds.getWidth(), bounds.getHeight()));
    WritableImage writable = new WritableImage((int) bounds.getWidth(), (int) bounds.getHeight());
    writable = scene.getRoot().snapshot(params, writable);

    ImageView imageView = new ImageView(writable);
    imageView.getStyleClass().add("snapshot-image");
    imageView.setManaged(false);
    imageView.setLayoutX(bounds.getMinX());
    imageView.setLayoutY(bounds.getMinY());
    imageView.setFitWidth(bounds.getWidth());
    imageView.setFitHeight(bounds.getHeight());

    Region rect = new Region();
    rect.getStyleClass().add("snapshot-background");
    rect.setLayoutX(bounds.getMinX() - 5);
    rect.setLayoutY(bounds.getMinY() - 5);
    rect.resize(bounds.getWidth() + 10, bounds.getHeight() + 10);
    rect.setManaged(false);

    Line line = new Line();
    line.setStartX(bounds.getMaxX() + 4);
    line.setStartY(bounds.getMaxY() + 4);
    line.setEndX(bounds.getMaxX() + 200);
    line.setEndY(bounds.getMaxY() + 200);
    line.setStroke(imagePattern);
    line.setStrokeWidth(5);
    line.setManaged(false);

    getChildren().addAll(rect, imageView); //, line);
}
 

import javafx.scene.layout.Region; //导入方法依赖的package包/类
private void updateView(Region oldValue, Region newValue) {
    if (oldValue != null) {
        oldValue.scaleXProperty().unbind();
        oldValue.scaleYProperty().unbind();
        oldValue.setOnMousePressed(null);
        oldValue.setOnMouseDragged(null);
    }

    Objects.requireNonNull(newValue);
    newValue.setManaged(false);
    newValue.addEventFilter(MouseEvent.MOUSE_PRESSED, evt -> {
        mouseX = evt.getSceneX();
        mouseY = evt.getSceneY();
    });

    newValue.addEventFilter(MouseEvent.MOUSE_DRAGGED, evt -> {
        double deltaX = evt.getSceneX() - mouseX;
        double deltaY = evt.getSceneY() - mouseY;

        newValue.relocate(newValue.getLayoutX() + deltaX, newValue.getLayoutY() + deltaY);

        mouseX = evt.getSceneX();
        mouseY = evt.getSceneY();
    });

    scale.unbind();
    scale.bind(Bindings.multiply(Bindings.min(scaleX, scaleY), getSkinnable().zoomProperty()));

    scaleX.unbind();
    scaleX.bind(Bindings.min(1, Bindings.divide(Bindings.multiply(INITIAL_SCALE_FACTOR, getSkinnable().widthProperty()), newValue.widthProperty())));

    scaleY.unbind();
    scaleY.bind(Bindings.min(1, Bindings.divide(Bindings.multiply(INITIAL_SCALE_FACTOR, getSkinnable().heightProperty()), newValue.heightProperty())));

    newValue.scaleXProperty().bind(scale);
    newValue.scaleYProperty().bind(scale);

    getChildren().setAll(newValue);
}
 

import javafx.scene.layout.Region; //导入方法依赖的package包/类
public DayViewSkin(T view) {
    super(view);

    earlyHoursRegion = new Region();
    earlyHoursRegion.setMouseTransparent(true);
    earlyHoursRegion.getStyleClass().add("early-hours-region"); //$NON-NLS-1$
    earlyHoursRegion.setManaged(false);
    getChildren().add(earlyHoursRegion);

    lateHoursRegion = new Region();
    lateHoursRegion.setMouseTransparent(true);
    lateHoursRegion.getStyleClass().add("late-hours-region"); //$NON-NLS-1$
    lateHoursRegion.setManaged(false);
    getChildren().add(lateHoursRegion);

    for (int i = 1; i < 24; i++) {
        createLine("half-hour-line"); //$NON-NLS-1$
        createLine("full-hour-line"); //$NON-NLS-1$
    }

    createLine("half-hour-line"); //$NON-NLS-1$

    currentTimeCircle = new Circle(4);
    currentTimeCircle.getStyleClass().add("current-time-circle"); //$NON-NLS-1$
    currentTimeCircle.setManaged(false);
    currentTimeCircle.setMouseTransparent(true);
    currentTimeCircle.setOpacity(0);
    currentTimeCircle.visibleProperty().bind(view.enableCurrentTimeMarkerProperty());
    getChildren().add(currentTimeCircle);

    currentTimeLine = new Line();
    currentTimeLine.getStyleClass().add("current-time-line"); //$NON-NLS-1$
    currentTimeLine.setManaged(false);
    currentTimeLine.setMouseTransparent(true);
    currentTimeLine.setOpacity(0);
    currentTimeLine.visibleProperty().bind(view.enableCurrentTimeMarkerProperty());
    getChildren().add(currentTimeLine);

    if (!(this instanceof WeekDayViewSkin)) {
        /*
         * Dragging inside week day views will be handled by a drag controller
         * installed on the week view, not on the individual days.
         */
        new DayViewEditController(view);
    }

    setupCurrentTimeMarkerSupport();

    view.draggedEntryProperty().addListener(it -> addOrRemoveDraggedEntryView());

    view.showCurrentTimeMarkerProperty().addListener(it -> updateTimelineVisibility());
    view.showCurrentTimeTodayMarkerProperty().addListener(it -> updateTimelineVisibility());

    view.layoutProperty().addListener(it -> view.requestLayout());

    updateShowMarkers();
    updateTimelineVisibility();

    view.dateProperty().addListener(it -> {
        if (displayedDate == null || !displayedDate.equals(view.getDate())) {
            loadData("date changed");
        }
    });

    view.suspendUpdatesProperty().addListener(evt -> loadData("suspend updates was set to false"));
    view.getCalendars().addListener((javafx.beans.Observable obs) -> loadData("list of calendars changed"));

    updateLineStyling();

    final InvalidationListener styleLinesListener = it -> updateLineStyling();
    view.startTimeProperty().addListener(styleLinesListener);
    view.endTimeProperty().addListener(styleLinesListener);
    view.earlyLateHoursStrategyProperty().addListener(styleLinesListener);

    loadData("initial data loading");
}