No more breaking item frames and paintings.

src/com/garbagemule/MobArena/ArenaListener.java

@@ -44,6 +44,7 @@ import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 import org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason;
 import org.bukkit.event.entity.EntityTargetEvent.TargetReason;
 import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.event.hanging.HangingBreakEvent;
 import org.bukkit.event.player.PlayerAnimationEvent;
 import org.bukkit.event.player.PlayerBucketEmptyEvent;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
@@ -170,6 +171,17 @@ public class ArenaListener
         event.setCancelled(true);
     }
 
+    public void onHangingBreak(HangingBreakEvent event) {
+        Location l = event.getEntity().getLocation();
+        if (!arena.getRegion().contains(l)) {
+            return;
+        }
+        if (arena.inEditMode()) {
+            return;
+        }
+        event.setCancelled(true);
+    }
+
     public void onBlockBurn(BlockBurnEvent event) {
         if (!arena.getRegion().contains(event.getBlock().getLocation()) || onBlockDestroy(event))
             return;

src/com/garbagemule/MobArena/listeners/MAGlobalListener.java

@@ -6,6 +6,7 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.*;
 import org.bukkit.event.entity.*;
+import org.bukkit.event.hanging.HangingBreakEvent;
 import org.bukkit.event.player.*;
 import org.bukkit.event.world.WorldLoadEvent;
 import org.bukkit.event.world.WorldUnloadEvent;
@@ -35,7 +36,6 @@ public class MAGlobalListener implements Listener
         this.am = am;
     }
     
-    
     ///////////////////////////////////////////////////////////////////////////
     //                                                                       //
     //                            BLOCK EVENTS                               //
@@ -49,6 +49,12 @@ public class MAGlobalListener implements Listener
             arena.getEventListener().onBlockBreak(event);
     }
 
+    @EventHandler
+    public void hangingBreak(HangingBreakEvent event) {
+        for (Arena arena : am.getArenas())
+            arena.getEventListener().onHangingBreak(event);
+    }
+
     @EventHandler(priority = EventPriority.HIGHEST)
     public void blockBurn(BlockBurnEvent event) {
         for (Arena arena : am.getArenas())