Java/Swing/JTable quick'n'dirty filter highlighting

TableFilterHilite.java

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.DefaultRowSorter;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableCellRenderer;

import net.miginfocom.swing.MigLayout;

import org.jdesktop.swingx.JXSearchField;
import org.jdesktop.swingx.JXTable;
import org.jdesktop.swingx.sort.RowFilters;


public class TableFilterHilite {
	public static void main(String[] args) throws Exception {
		UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		Object[][] data = new Object[][]{
			{"lorem", "ipsum", "dolor"},
			{"foo", "bar", "baz"},
			{"java", "scala", "clojure"},
			{"python", "ruby", "php"}
		};
		final JFrame f = new JFrame("test");
		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		f.setSize(400,400);
		f.setLocationRelativeTo(null);

		final JPanel content = new JPanel(new MigLayout("fill",
			"[grow,:200:,fill]", "[][grow,fill]"));
		f.setContentPane(content);

		final JXTable tbl = new JXTable(data, new Object[] {"a", "b", "c"});
		final JXSearchField search = new JXSearchField();

		content.add(search, "wrap");
		content.add(new JScrollPane(tbl));

		search.addActionListener(new ActionListener() {
			@Override public void actionPerformed(ActionEvent e) {
				String filter = search.getText().trim();
				DefaultRowSorter rs = (DefaultRowSorter)tbl.getRowSorter();
				rs.setRowFilter(filter.length() > 0 ?
					RowFilters.regexFilter(".*?"+filter+".*?", 0, 1, 2) : null);
			}
		});

		final Color fgSel = tbl.getSelectionForeground();
		final Color bgSel = tbl.getSelectionBackground();
		tbl.setDefaultRenderer(Object.class, new DefaultTableCellRenderer() {
			private boolean selected;
			@Override public void paint(Graphics g) {
				super.paint(g);

				String filter = search.getText().trim();
				if (filter.length() == 0) {
					return;
				}
				String text = getText();
				int index = text.indexOf(filter);
				if (index == -1) {
					return;
				}
				String preMatch = text.substring(0, index);
				String match = text.substring(preMatch.length(), preMatch.length() + filter.length());
				int pmw = g.getFontMetrics().stringWidth(preMatch);
				int w = g.getFontMetrics().stringWidth(match);

				g.setColor(selected ? fgSel : Color.yellow);
				g.fillRect(pmw, 0, w, getHeight());
				g.setColor(selected ? bgSel : getForeground());
				Rectangle r = g.getFontMetrics().getStringBounds(match, g).getBounds();
				g.drawString(match, pmw + 1, -r.y);
			}

			@Override
			public Component getTableCellRendererComponent(JTable arg0,
					Object arg1, boolean selected, boolean arg3, int arg4, int arg5) {
				this.selected = selected;
				return super.getTableCellRendererComponent(arg0, arg1, selected, arg3, arg4, arg5);
			}

		});

		f.setVisible(true);
	}
}