first implimentation

BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java

@@ -6,14 +6,22 @@ import de.steamwar.core.CommandRemover;
 import de.steamwar.scoreboard.SWScoreboard;
 import de.steamwar.sql.SteamwarUser;
 import org.bukkit.Bukkit;
+import org.bukkit.Material;
+import org.bukkit.attribute.Attribute;
 import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.player.PlayerLoginEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
 import org.bukkit.scheduler.BukkitTask;
 
 import java.io.File;
@@ -259,4 +267,34 @@ public class BauSystem extends JavaPlugin implements Listener {
         if(Bukkit.getOnlinePlayers().isEmpty() || (Bukkit.getOnlinePlayers().size() == 1 && Bukkit.getOnlinePlayers().contains(player)))
             Bukkit.shutdown();
     }
+    
+    @EventHandler
+	public void onInventoryClick(InventoryClickEvent e) {
+		ItemStack stack = e.getCursor();
+		if (stack == null)
+			return;
+		if (!stack.hasItemMeta())
+			return;
+		if (stack.getItemMeta().hasEnchants()) {
+			for (Enchantment en : Enchantment.values()) {
+				if (stack.getEnchantmentLevel(en) > en.getMaxLevel())
+					stack.removeEnchantment(en);
+			}
+		}
+		Player p = (Player) e.getWhoClicked();
+		if (stack.getItemMeta().hasAttributeModifiers()) {
+			ItemMeta meta = stack.getItemMeta();
+			for (Attribute a : Attribute.values())
+				meta.removeAttributeModifier(a);
+			meta.setDisplayName("We know, that you tried to cheat...");
+			System.out.println("Spieler " + p.getName() + " (UUID: " + p.getUniqueId().toString() + " ) hat versucht ein Item mit AttributeModifiers zu bekommen.");
+			stack.setItemMeta(meta);
+		}
+		Material material = stack.getType();
+		if (material == Material.POTION || material == Material.SPLASH_POTION || material == Material.LINGERING_POTION) {
+			p.addPotionEffect(new PotionEffect(PotionEffectType.NIGHT_VISION, 100000, 1, false, false));
+			stack.setType(Material.MILK_BUCKET);
+		}
+		e.setCurrentItem(stack);
+	}
 }