src/de/steamwar/misslewars/listener/ArenaListener.java

@@ -8,6 +8,8 @@ import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.entity.FoodLevelChangeEvent;
+import org.bukkit.event.inventory.InventoryOpenEvent;
+import org.bukkit.event.inventory.InventoryType;
 import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.event.player.PlayerMoveEvent;
 import org.bukkit.event.player.PlayerPickupArrowEvent;
@@ -57,4 +59,12 @@ public class ArenaListener extends BasicListener {
 	public void onHunger(FoodLevelChangeEvent e){
 		e.setCancelled(true);
 	}
+
+	@EventHandler(ignoreCancelled = true)
+	public void onInventoryOpen(InventoryOpenEvent event) {
+		if(event.getView().getType() != InventoryType.PLAYER &&
+				event.getView().getType() != InventoryType.CRAFTING &&
+				event.getView().getType() != InventoryType.CREATIVE)
+				event.setCancelled(true);
+	}
 }

src/de/steamwar/misslewars/listener/ItemListener.java

@@ -11,22 +11,15 @@ import com.sk89q.worldedit.session.ClipboardHolder;
 import com.sk89q.worldedit.world.World;
 import de.steamwar.misslewars.Config;
 import de.steamwar.misslewars.FightState;
-import de.steamwar.misslewars.MWTeam;
 import de.steamwar.misslewars.MissileWars;
 import de.steamwar.misslewars.items.SpecialItem;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
-import org.bukkit.Material;
 import org.bukkit.entity.Snowball;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.entity.ProjectileLaunchEvent;
-import org.bukkit.event.inventory.InventoryClickEvent;
-import org.bukkit.event.inventory.InventoryCloseEvent;
-import org.bukkit.event.inventory.InventoryDragEvent;
-import org.bukkit.event.inventory.InventoryType;
 import org.bukkit.event.player.PlayerInteractEvent;
-import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
 import java.io.File;
@@ -85,28 +78,4 @@ public class ItemListener extends BasicListener {
 			}, Config.ShieldFlyTime);
 		}
 	}
-
-	@EventHandler
-	public void onInventoryClick(InventoryClickEvent event) {
-		Inventory clicked = event.getClickedInventory();
-		if(MissileWars.getFightState() != FightState.FIGHTING) {
-			event.setCancelled(true);
-			return;
-		}
-		if(event.getClick().isShiftClick()){
-			ItemStack clickedOn = event.getCurrentItem();
-
-			if(
-					clickedOn != null &&
-							event.getView().getTopInventory().getType() != InventoryType.CRAFTING &&
-							clicked == event.getWhoClicked().getInventory())
-				event.setCancelled(true);
-		}else if (
-				clicked != event.getWhoClicked().getInventory() &&
-						clicked != null &&
-						clicked.getType() != InventoryType.PLAYER &&
-						event.getCursor() != null &&
-						event.getCursor().getType() != Material.AIR )
-			event.setCancelled(true);
-	}
 }