Java Code Examples for javafx.scene.control.ScrollPane#getVmax()

The following examples show how to use javafx.scene.control.ScrollPane#getVmax() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: FXEventQueueDevice.java    From marathonv5 with Apache License 2.0 6 votes vote down vote up 
protected void ensureVisible(Node target) {
    ScrollPane scrollPane = getParentScrollPane(target);
    if (scrollPane == null) {
        return;
    }
    Node content = scrollPane.getContent();
    Bounds contentBounds = content.localToScene(content.getBoundsInLocal());
    Bounds viewportBounds = scrollPane.getViewportBounds();
    Bounds nodeBounds = target.localToScene(target.getBoundsInLocal());
    if (scrollPane.contains(nodeBounds.getMinX() - contentBounds.getMinX(), nodeBounds.getMinY() - contentBounds.getMinY())) {
        return;
    }
    double toVScroll = (nodeBounds.getMinY() - contentBounds.getMinY())
            * ((scrollPane.getVmax() - scrollPane.getVmin()) / (contentBounds.getHeight() - viewportBounds.getHeight()));
    scrollPane.setVvalue(toVScroll);
    double toHScroll = (nodeBounds.getMinX() - contentBounds.getMinX())
            * ((scrollPane.getHmax() - scrollPane.getHmin()) / (contentBounds.getWidth() - viewportBounds.getWidth()));
    scrollPane.setHvalue(toHScroll);
}
Example 2
Source File: ScrollPaneSample2.java    From marathonv5 with Apache License 2.0 6 votes vote down vote up 
private void scrollTo(Node target) {
    ScrollPane scrollPane = getParentScrollPane(target);
    if (scrollPane == null)
        return;
    Node content = scrollPane.getContent();
    Bounds contentBounds = content.localToScene(content.getBoundsInLocal());
    Bounds viewportBounds = scrollPane.getViewportBounds();
    Bounds nodeBounds = target.localToScene(target.getBoundsInLocal());
    double toVScroll = (nodeBounds.getMinY() - contentBounds.getMinY())
            * ((scrollPane.getVmax() - scrollPane.getVmin()) / (contentBounds.getHeight() - viewportBounds.getHeight()));
    if (toVScroll >= scrollPane.getVmin() && toVScroll < scrollPane.getVmax())
        scrollPane.setVvalue(toVScroll);
    double toHScroll = (nodeBounds.getMinX() - contentBounds.getMinX())
            * ((scrollPane.getHmax() - scrollPane.getHmin()) / (contentBounds.getWidth() - viewportBounds.getWidth()));
    if (toHScroll >= scrollPane.getHmin() && toHScroll < scrollPane.getHmax())
        scrollPane.setHvalue(toHScroll);
}
Example 3
Source File: ZoomPane.java    From java-ml-projects with Apache License 2.0 5 votes vote down vote up 
private static Point2D figureScrollOffset(Node scrollContent, ScrollPane scroller) {
	double extraWidth = scrollContent.getLayoutBounds().getWidth() - scroller.getViewportBounds().getWidth();
	double hScrollProportion = (scroller.getHvalue() - scroller.getHmin())
			/ (scroller.getHmax() - scroller.getHmin());
	double scrollXOffset = hScrollProportion * Math.max(0, extraWidth);
	double extraHeight = scrollContent.getLayoutBounds().getHeight() - scroller.getViewportBounds().getHeight();
	double vScrollProportion = (scroller.getVvalue() - scroller.getVmin())
			/ (scroller.getVmax() - scroller.getVmin());
	double scrollYOffset = vScrollProportion * Math.max(0, extraHeight);
	return new Point2D(scrollXOffset, scrollYOffset);
}
Example 4
Source File: JFXRepresentation.java    From phoebus with Eclipse Public License 1.0 5 votes vote down vote up 
/** Ctrl-Wheel zoom gesture help function
 *  Store scroll offset of scrollContent (scroll_body Group) in a scroller (model_root ScrollPane) before zoom
 */
private Point2D figureScrollOffset(final Node scrollContent, final ScrollPane scroller)
{
    double extraWidth = scrollContent.getLayoutBounds().getWidth() - scroller.getViewportBounds().getWidth();
    double hScrollProportion = (scroller.getHvalue() - scroller.getHmin()) / (scroller.getHmax() - scroller.getHmin());
    double scrollXOffset = hScrollProportion * Math.max(0, extraWidth);
    double extraHeight = scrollContent.getLayoutBounds().getHeight() - scroller.getViewportBounds().getHeight();
    double vScrollProportion = (scroller.getVvalue() - scroller.getVmin()) / (scroller.getVmax() - scroller.getVmin());
    double scrollYOffset = vScrollProportion * Math.max(0, extraHeight);
    return new Point2D(scrollXOffset, scrollYOffset);
}