-public class AppletPDBCanvas extends Panel implements MouseListener,
- MouseMotionListener, StructureListener
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.event.InputEvent;import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.Image;
+// JBPNote TODO: This class is quite noisy - needs proper log.info/log.debug
+import java.awt.Panel;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.io.PrintStream;
+import java.util.List;
+import java.util.Vector;
+
+public class AppletPDBCanvas extends Panel
+ implements MouseListener, MouseMotionListener, StructureListener