sync Scrolling on JavaFX TableView - Java JavaFX

Java examples for JavaFX:Table

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Description

sync Scrolling on JavaFX TableView

Demo Code


import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.geometry.Orientation;
import javafx.scene.Node;
import javafx.scene.control.ScrollBar;
import javafx.scene.control.TableView;

public class Main{
    private static final Logger logger = Logger
            .getLogger(Main.class.getName());
    public static void syncScrolling(TableView table1, TableView table2) {
        logger.log(Level.INFO, "syncScrolling( TableView, TableView )");

        syncScrolling(findScrollBar(table1, Orientation.HORIZONTAL),
                findScrollBar(table2, Orientation.HORIZONTAL));

        syncScrolling(findScrollBar(table1, Orientation.VERTICAL),
                findScrollBar(table2, Orientation.VERTICAL));
    }//from w  w w. j a  v a2s  . c om
    public static void syncScrolling(ScrollBar scroll1, ScrollBar scroll2) {
        logger.log(Level.INFO, "syncScrolling( ScrollBar, ScrollBar )");

        if ((scroll1 == null) || (scroll2 == null)) {
            logger.log(
                    Level.WARNING,
                    "calling syncScrolling( ScrollBar[{0}], ScrollBar[{1}] ) too early ?",
                    new Object[] { scroll1, scroll2 });
        } else {
            scroll1.valueProperty().bindBidirectional(
                    scroll2.valueProperty());
            //scroll1.valueProperty().addListener( new ScrollSync( scroll2 ) );
            //scroll2.valueProperty().addListener( new ScrollSync( scroll1 ) );
        }
    }
    private static ScrollBar findScrollBar(TableView tv, Orientation or) {
        ScrollBar sb = null;

        for (Node n : tv.lookupAll(".scroll-bar")) {
            if (n instanceof ScrollBar) {
                ScrollBar bar = (ScrollBar) n;
                if (bar.getOrientation() == or) {
                    sb = bar;
                    break;
                }
            }
        }

        return sb;
    }
}

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