Add lever toggleability in frozen region

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/region/FreezeListener.java

@@ -9,6 +9,8 @@ import de.steamwar.bausystem.region.flags.flagvalues.FreezeMode;
 import de.steamwar.core.Core;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.type.Switch;
 import org.bukkit.entity.EntityType;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -16,6 +18,7 @@ import org.bukkit.event.block.*;
 import org.bukkit.event.entity.EntityChangeBlockEvent;
 import org.bukkit.event.entity.EntitySpawnEvent;
 import org.bukkit.event.inventory.InventoryMoveItemEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
 
 @Linked(LinkageType.LISTENER)
 public class FreezeListener implements Listener {
@@ -158,4 +161,17 @@ public class FreezeListener implements Listener {
             e.setCancelled(true);
         }
     }
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent e) {
+        if (e.getAction() != Action.RIGHT_CLICK_BLOCK) return;
+        if (Region.getRegion(e.getClickedBlock().getLocation()).get(Flag.FREEZE) == FreezeMode.ACTIVE) {
+            Block block = e.getClickedBlock();
+            if (block.getType() == Material.LEVER) {
+                Switch data = ((Switch) block.getBlockData());
+                data.setPowered(!data.isPowered());
+                block.setBlockData(data, false);
+            }
+        }
+    }
 }