small changes to layout of picture items

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

@@ -76,12 +76,16 @@ class Item extends JPanel
   {
     this.data = p;
     this.setLayout(new GridLayout(0, 1));
-    this.setPreferredSize(new Dimension(100, 150));
+    this.setPreferredSize(new Dimension(100, 160));
     this.picture = new ImageIcon(data.getPic());
-    this.pic = new JLabel(picture);
-    this.name = new JLabel(data.getName());
-    this.rating = new JLabel(Integer.toString(data.getRating()));
-    this.dateSize = new JLabel(Long.toString(data.getLastmod()) + Long.toString(data.getSize()));
+    this.pic = new JLabel(picture, JLabel.CENTER);
+    this.pic.setPreferredSize(new Dimension(100, 100));
+    this.name = new JLabel(data.getName(), JLabel.CENTER);
+    this.setPreferredSize(new Dimension(100, 20));
+    this.rating = new JLabel(Integer.toString(data.getRating()), JLabel.CENTER);
+    this.setPreferredSize(new Dimension(100, 20));
+    this.dateSize = new JLabel(Long.toString(data.getLastmod()) + Long.toString(data.getSize()), JLabel.CENTER);
+    this.setPreferredSize(new Dimension(100, 20));
     this.add(pic);
     this.add(name);
     this.add(rating);