Version 2.2.0

Prevent villagers from being named when the player does not
have build permission at the villager's location.

README.md

@@ -13,6 +13,9 @@ Tools for managing villagers on Spigot servers.
 
 * Protect villagers from grief by only allowing WorldGuard region members to harm them.
 
+* Prevent villagers from being renamed by players who don't have build permission
+  at the villager's location.
+
 * Protect villagers from being hurt by blacklisted mob types. e.g. `protect_from_mobs: [Evoker, Evoker_Fangs, Vex, Vindicator]`.
 
 Note that novice villagers select their profession to suit a nearby workstation.

pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>io.github.redwallhp</groupId>
     <artifactId>VillagerUtils</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

src/main/java/io/github/redwallhp/villagerutils/listeners/VillagerProtector.java

@@ -5,6 +5,7 @@
 import java.util.List;
 
 import org.bukkit.ChatColor;
+import org.bukkit.Material;
 import org.bukkit.entity.AbstractVillager;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
@@ -14,6 +15,8 @@
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.AreaEffectCloudApplyEvent;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.potion.PotionType;
 
 import io.github.redwallhp.villagerutils.VillagerUtils;
@@ -65,6 +68,30 @@ public void onEntityDamageByPlayer(EntityDamageByEntityEvent event) {
         }
     }
 
+    /**
+     * Prevent players from applying name tags to villagers when they can't
+     * build at the villager location.
+     */
+    @EventHandler(ignoreCancelled = true)
+    public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
+        Player player = event.getPlayer();
+
+        // There's no trivial way to map EquipmentSlot enum to Inventory index.
+        if (event.getHand() == EquipmentSlot.HAND &&
+            player.getEquipment().getItemInMainHand().getType() != Material.NAME_TAG) {
+            return;
+        }
+        if (event.getHand() == EquipmentSlot.OFF_HAND &&
+            player.getEquipment().getItemInOffHand().getType() != Material.NAME_TAG) {
+            return;
+        }
+
+        if (!WorldGuardHelper.canBuild(player, event.getRightClicked().getLocation())) {
+            event.setCancelled(true);
+            player.sendMessage(ChatColor.RED + "You can't rename that villager in this region.");
+        }
+    }
+
     /**
      * Handle WorldGuard based protection from players' potions
      */