- Sort puzzles alphabetically in the puzzle selection list box.

forge-gui-desktop/src/main/java/forge/screens/home/puzzle/CSubmenuPuzzleSolve.java

@@ -21,6 +21,8 @@ import javax.swing.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 
 public enum CSubmenuPuzzleSolve implements ICDoc, IMenuProvider {
@@ -50,6 +52,8 @@ public enum CSubmenuPuzzleSolve implements ICDoc, IMenuProvider {
 
     private void updateData() {
         final ArrayList<Puzzle> puzzles = PuzzleIO.loadPuzzles();
+        Collections.sort(puzzles);
+
         for(Puzzle p : puzzles) {
             view.getModel().addElement(p);
         }

forge-gui/src/main/java/forge/puzzle/Puzzle.java

@@ -16,7 +16,7 @@ import forge.model.FModel;
 import java.util.List;
 import java.util.Map;
 
-public class Puzzle extends GameState implements InventoryItem {
+public class Puzzle extends GameState implements InventoryItem, Comparable {
     String name;
     String goal;
     String url;
@@ -104,4 +104,12 @@ public class Puzzle extends GameState implements InventoryItem {
     }
 
     public String toString() { return name; }
+
+    public int compareTo(Object pzl) throws ClassCastException {
+        if (!(pzl instanceof Puzzle)) {
+            throw new ClassCastException("Tried to compare a Puzzle object to a non-Puzzle object.");
+        }
+        
+        return getName().compareTo(((Puzzle)pzl).getName());
+    }
 }