compiles and runs, but nothing displays upon choosing

assignments/a3/src/main/java/Gallery.java

@@ -13,7 +13,7 @@ public class Gallery extends JPanel implements Observer
     // Hook up this observer so that it will be notified when the model
     // changes.
     this.model = model;
-    this.setLayout();
+    this.setLayout(new GridLayout(0, 3));
     this.setBackground(Color.white);
     this.items = new ArrayList();
     reList();
@@ -37,7 +37,8 @@ public class Gallery extends JPanel implements Observer
     this.items.clear();
     for (PicData p: temp)
     {
-      this.items.add(p);
+      Item temp2 = new Item(p);
+      this.items.add(temp2);
     }
   }
   
@@ -64,6 +65,7 @@ public class Gallery extends JPanel implements Observer
 class Item extends JPanel
 {
   private PicData data;
+  private ImageIcon picture;
   private JLabel pic;
   private JLabel name;
   private JLabel rating;
@@ -73,11 +75,12 @@ class Item extends JPanel
   {
     this.data = p;
     this.setLayout(new GridLayout(0, 1));
-    this.setPreferredSize(100, 150);
-    this.pic = new JLabel(data.getPic());
+    this.setPreferredSize(new Dimension(100, 150));
+    this.picture = new ImageIcon(data.getPic());
+    this.pic = new JLabel(picture);
     this.name = new JLabel(data.getName());
-    this.rating = new JLabel(data.getRating().toString());
-    this.dateSize = new JLabel(data.getDate().toString() + data.getSize().toString());
+    this.rating = new JLabel(Integer.toString(data.getRating()));
+    this.dateSize = new JLabel(Long.toString(data.getLastmod()) + Long.toString(data.getSize()));
     this.add(pic);
     this.add(name);
     this.add(rating);