import java.awt.event.*;
import java.beans.*;
import javax.swing.*;
-import javax.swing.filechooser.FileNameExtensionFilter;
-import javax.swing.table.*;
import javax.swing.event.*;
-import java.io.*;
-import java.util.*;
-import java.text.*;
-import java.util.prefs.*;
-import java.util.concurrent.LinkedBlockingQueue;
import javax.swing.plaf.basic.*;
-import org.altusmetrum.AltosLib.*;
class DelegatingRenderer implements ListCellRenderer {