Examples with ScrollPane javafx.scene.control.ScrollPane used on opensource projects

Example 46 with ScrollPane

use of javafx.scene.control.ScrollPane in project org.csstudio.display.builder by kasemir.

the class JFXRepresentation method createModelRoot.

/**
 * Create scrollpane etc. for hosting the model
 *
 *  @return ScrollPane
 *  @throws IllegalStateException if had already been called
 */
public final ScrollPane createModelRoot() {
    if (model_root != null)
        throw new IllegalStateException("Already created model root");
    widget_parent = new Pane();
    scroll_body = new Group(widget_parent);
    if (isEditMode()) {
        horiz_bound = new Line();
        horiz_bound.getStyleClass().add("display_model_bounds");
        horiz_bound.setStartX(0);
        vert_bound = new Line();
        vert_bound.getStyleClass().add("display_model_bounds");
        vert_bound.setStartY(0);
        scroll_body.getChildren().addAll(vert_bound, horiz_bound);
    }
    model_root = new ScrollPane(scroll_body);
    final InvalidationListener resized = prop -> handleViewportChanges();
    model_root.widthProperty().addListener(resized);
    model_root.heightProperty().addListener(resized);
    // Middle Button (Wheel press) drag panning started
    final EventHandler<MouseEvent> onMousePressedHandler = evt -> {
        if (evt.isMiddleButtonDown()) {
            lastMouseCoordinates.set(new Point2D(evt.getX(), evt.getY()));
            scroll_body.setCursor(Cursor.CLOSED_HAND);
            evt.consume();
        }
    };
    if (isEditMode())
        scroll_body.addEventFilter(MouseEvent.MOUSE_PRESSED, onMousePressedHandler);
    else
        scroll_body.setOnMousePressed(onMousePressedHandler);
    // Middle Button (Wheel press) drag panning function
    final EventHandler<MouseEvent> onMouseDraggedHandler = evt -> {
        if (evt.isMiddleButtonDown()) {
            double deltaX = evt.getX() - lastMouseCoordinates.get().getX();
            double extraWidth = scroll_body.getLayoutBounds().getWidth() - model_root.getViewportBounds().getWidth();
            double deltaH = deltaX * (model_root.getHmax() - model_root.getHmin()) / extraWidth;
            double desiredH = model_root.getHvalue() - deltaH;
            model_root.setHvalue(Math.max(0, Math.min(model_root.getHmax(), desiredH)));
            double deltaY = evt.getY() - lastMouseCoordinates.get().getY();
            double extraHeight = scroll_body.getLayoutBounds().getHeight() - model_root.getViewportBounds().getHeight();
            double deltaV = deltaY * (model_root.getHmax() - model_root.getHmin()) / extraHeight;
            double desiredV = model_root.getVvalue() - deltaV;
            model_root.setVvalue(Math.max(0, Math.min(model_root.getVmax(), desiredV)));
            evt.consume();
        }
    };
    if (isEditMode())
        scroll_body.addEventFilter(MouseEvent.MOUSE_DRAGGED, onMouseDraggedHandler);
    else
        scroll_body.setOnMouseDragged(onMouseDraggedHandler);
    // Middle Button (Wheel press) drag panning finished
    final EventHandler<MouseEvent> onMouseReleasedHandler = evt -> {
        if (scroll_body.getCursor() == Cursor.CLOSED_HAND) {
            scroll_body.setCursor(Cursor.DEFAULT);
            evt.consume();
        }
    };
    if (isEditMode())
        scroll_body.addEventFilter(MouseEvent.MOUSE_RELEASED, onMouseReleasedHandler);
    else
        scroll_body.setOnMouseReleased(onMouseReleasedHandler);
    // also handle the wheel
    if (isEditMode())
        model_root.addEventFilter(ScrollEvent.ANY, evt -> {
            if (evt.isControlDown()) {
                evt.consume();
                doWheelZoom(evt.getDeltaY(), evt.getX(), evt.getY());
            }
        });
    else
        widget_parent.addEventHandler(ScrollEvent.ANY, evt -> {
            if (evt.isControlDown()) {
                evt.consume();
                ScrollEvent gevt = evt.copyFor(model_root, scroll_body);
                doWheelZoom(evt.getDeltaY(), gevt.getX(), gevt.getY());
            }
        });
    return model_root;
}

Example 47 with ScrollPane

use of javafx.scene.control.ScrollPane in project org.csstudio.display.builder by kasemir.

the class ZoomPan method createScene.

public static Scene createScene() {
    // Stuff to show as 'widgets'
    final Node[] stuff = new Node[3];
    for (int i = 0; i < stuff.length; ++i) {
        final Rectangle rect = new Rectangle(50 + i * 100, 100, 10 + i * 50, 20 + i * 40);
        rect.setFill(Color.BLUE);
        stuff[i] = rect;
    }
    // With 'Group', stuff would start in top-left (0, 0) corner,
    // not at (50, 100) based on its coordinates
    final Pane widgets = new Pane(stuff);
    widgets.setStyle("-fx-background-color: coral;");
    final ScrollPane scroll;
    if (true) {
        // Additional Group to help ScrollPane get correct bounds
        final Group scroll_content = new Group(widgets);
        scroll = new ScrollPane(scroll_content);
    } else
        scroll = new ScrollPane(widgets);
    final InvalidationListener resized = prop -> handleViewportChanges(scroll);
    scroll.widthProperty().addListener(resized);
    scroll.heightProperty().addListener(resized);
    System.out.println("Press 'space' to change zoom");
    final Scene scene = new Scene(scroll);
    scene.addEventFilter(KeyEvent.KEY_PRESSED, (KeyEvent event) -> {
        if (event.getCode() == KeyCode.SPACE) {
            zoom_in = !zoom_in;
            if (zoom_in)
                widgets.getTransforms().setAll(new Scale(2.5, 2.5));
            else
                widgets.getTransforms().setAll(new Scale(0.5, 0.5));
        }
    });
    return scene;
}

Example 48 with ScrollPane

use of javafx.scene.control.ScrollPane in project narchy by automenta.

the class RDPCV method createScrollPane.

/**
 * @return a ScrollPane which scrolls the layout.
 */
private ScrollPane createScrollPane(Pane layout) {
    ScrollPane scroll = new ScrollPane();
    scroll.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
    scroll.setVbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
    scroll.setPannable(true);
    scroll.setPrefSize(800, 600);
    scroll.setContent(layout);
    return scroll;
}

Example 49 with ScrollPane

use of javafx.scene.control.ScrollPane in project S4T1TM2 by CSUS-CSC-131-Spring2018.

the class YaamDemo method constructInnerContent.

private void constructInnerContent() {
    innerContent = new ScrollPane();
    innerContent.setId("innerContent");
    innerContent.layoutXProperty().bind(sidebar.widthProperty());
    innerContent.layoutYProperty().bind(brandName.heightProperty());
    innerContent.prefWidthProperty().bind(content.widthProperty().subtract(brandName.widthProperty()));
    innerContent.prefHeightProperty().bind(content.heightProperty().subtract(brandName.heightProperty()));
    content.getChildren().add(innerContent);
}

Example 50 with ScrollPane

use of javafx.scene.control.ScrollPane in project bisq-desktop by bisq-network.

the class TakeOfferView method addScrollPane.

// /////////////////////////////////////////////////////////////////////////////////////////
// Build UI elements
// /////////////////////////////////////////////////////////////////////////////////////////
private void addScrollPane() {
    scrollPane = new ScrollPane();
    scrollPane.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
    scrollPane.setVbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);
    scrollPane.setFitToWidth(true);
    scrollPane.setFitToHeight(true);
    scrollPane.setOnScroll(e -> InputTextField.hideErrorMessageDisplay());
    AnchorPane.setLeftAnchor(scrollPane, 0d);
    AnchorPane.setTopAnchor(scrollPane, 0d);
    AnchorPane.setRightAnchor(scrollPane, 0d);
    AnchorPane.setBottomAnchor(scrollPane, 0d);
    root.getChildren().add(scrollPane);
}