From 7958cd0b880205edaeaf34420bafde8d5cc1f7ed Mon Sep 17 00:00:00 2001
From: md678685 <mathew678@hotmail.co.uk>
Date: Sun, 6 Nov 2016 10:54:49 +0000
Subject: [PATCH] Add ability to click helmet slot to equip item. #960

---
 .../essentials/EssentialsPlayerListener.java  | 19 +++++++++++++++++++
 .../com/earth2me/essentials/ISettings.java    |  2 ++
 .../src/com/earth2me/essentials/Settings.java |  5 +++++
 Essentials/src/config.yml                     |  3 +++
 4 files changed, 29 insertions(+)

diff --git a/Essentials/src/com/earth2me/essentials/EssentialsPlayerListener.java b/Essentials/src/com/earth2me/essentials/EssentialsPlayerListener.java
index 432af0302..a6336712d 100644
--- a/Essentials/src/com/earth2me/essentials/EssentialsPlayerListener.java
+++ b/Essentials/src/com/earth2me/essentials/EssentialsPlayerListener.java
@@ -18,6 +18,7 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
+import org.bukkit.event.inventory.ClickType;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryCloseEvent;
 import org.bukkit.event.inventory.InventoryType;
@@ -27,6 +28,7 @@ import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.PlayerInventory;
 
 import java.io.IOException;
 import java.text.NumberFormat;
@@ -640,6 +642,13 @@ public class EssentialsPlayerListener implements Listener {
         final Inventory top = event.getView().getTopInventory();
         final InventoryType type = top.getType();
 
+        final Inventory clickedInventory;
+        if (event.getRawSlot() < 0) {
+            clickedInventory = null;
+        } else {
+            clickedInventory = event.getRawSlot() < top.getSize() ? top : event.getView().getBottomInventory();
+        }
+
         if (type == InventoryType.PLAYER) {
             final User user = ess.getUser((Player) event.getWhoClicked());
             final InventoryHolder invHolder = top.getHolder();
@@ -669,6 +678,16 @@ public class EssentialsPlayerListener implements Listener {
                 event.setCancelled(true);
                 refreshPlayer = user.getBase();
             }
+        } else if (clickedInventory != null && clickedInventory.getType() == InventoryType.PLAYER) {
+            if (ess.getSettings().isDirectHatAllowed() && event.getClick() == ClickType.LEFT && event.getSlot() == 39
+                && event.getCursor().getType() != Material.AIR && event.getCursor().getType().getMaxDurability() == 0
+                && ess.getUser(event.getWhoClicked()).isAuthorized("essentials.hat")) {
+                event.setCancelled(true);
+                final PlayerInventory inv = (PlayerInventory) clickedInventory;
+                final ItemStack head = inv.getHelmet();
+                inv.setHelmet(event.getCursor());
+                event.setCursor(head);
+            }
         }
 
         if (refreshPlayer != null) {
diff --git a/Essentials/src/com/earth2me/essentials/ISettings.java b/Essentials/src/com/earth2me/essentials/ISettings.java
index bad107486..78a70e5df 100644
--- a/Essentials/src/com/earth2me/essentials/ISettings.java
+++ b/Essentials/src/com/earth2me/essentials/ISettings.java
@@ -283,4 +283,6 @@ public interface ISettings extends IConf {
     int getNotifyPlayerOfMailCooldown();
 
     int getMotdDelay();
+
+    boolean isDirectHatAllowed();
 }
diff --git a/Essentials/src/com/earth2me/essentials/Settings.java b/Essentials/src/com/earth2me/essentials/Settings.java
index 05f0239ac..0d58da16d 100644
--- a/Essentials/src/com/earth2me/essentials/Settings.java
+++ b/Essentials/src/com/earth2me/essentials/Settings.java
@@ -1421,4 +1421,9 @@ public class Settings implements net.ess3.api.ISettings {
     public int getMotdDelay() {
         return config.getInt("delay-motd", 0);
     }
+
+    @Override
+    public boolean isDirectHatAllowed() {
+        return config.getBoolean("allow-direct-hat", true);
+    }
 }
diff --git a/Essentials/src/config.yml b/Essentials/src/config.yml
index 31bfa19ad..0bd4175a2 100644
--- a/Essentials/src/config.yml
+++ b/Essentials/src/config.yml
@@ -583,6 +583,9 @@ sethome-multiple:
 # Set to 0 for no timeout.
 tpa-accept-cancellation: 120
 
+# Allow players to set hats by clicking on their helmet slot.
+allow-direct-hat: true
+
 ############################################################
 # +------------------------------------------------------+ #
 # |                    EssentialsEco                     | #