import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.*;
+import org.altusmetrum.AltosLib.*;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
-public class AltosGraphUI extends JFrame
+public class AltosGraphUI extends AltosFrame
{
JTabbedPane pane;