Fun with JWt and Swing: WebGraphics2D

import java.awt.Graphics;

import eu.webtoolkit.jwt.*;
import eu.webtoolkit.jwt.utils.WebGraphics2D;
import figtree.treeviewer.TreePane;

public class TreeWidget extends WPaintedWidget {

        private TreePane treePane;

        public TreeWidget() {
                treePane = new TreePane() {
                        @Override
                        public void repaint() {
                                // Signal that we need a repaint
                                TreeWidget.this.update();
                        }
                };
        }

        @Override
        public void resize(WLength width, WLength height) {
                super.resize(width, height);
                // Also resizes the tree pane
                treePane.setSize((int)width.toPixels(), (int)height.toPixels());
        }


        @Override
        protected void layoutSizeChanged(int width, int height) {
                super.layoutSizeChanged(width, height);
                // Also resizes the tree pane
                treePane.setSize(width, height);
        }

        @Override
        protected void paintEvent(WPaintDevice paintDevice) {
                // Let the javax.swing.JComponent paint itself on the JWt paint-device
                WPainter painter = new WPainter(paintDevice);
                Graphics graphics = new WebGraphics2D(painter);
                treePane.paint(graphics);
        }
}