Add InventoryClickEvent.getClickedInventory. Adds BUKKIT-4495

Plugins currently have to do the logic themselves on the raw slot ID
in order to determine the inventory clicked. This provides the logic for plugins to
readily identify which inventory was clicked.

Bukkit-Patches/0014-InventoryClickEvent-getClickedInventory.patch

@@ -0,0 +1,54 @@
+From 87b85aeb82022fe819ac1605e9c7fa4ea48d3c11 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Sun, 7 Jul 2013 10:32:05 -0400
+Subject: [PATCH] InventoryClickEvent getClickedInventory
+
+Add InventoryClickEvent.getClickedInventory. Adds BUKKIT-4495
+Plugins currently have to do the logic themselves on the raw slot ID
+in order to determine the inventory clicked. This provides the logic for plugins to
+readily identify which inventory was clicked.
+
+diff --git a/src/main/java/org/bukkit/event/inventory/InventoryClickEvent.java b/src/main/java/org/bukkit/event/inventory/InventoryClickEvent.java
+index 28198b8..3313d91 100644
+--- a/src/main/java/org/bukkit/event/inventory/InventoryClickEvent.java
++++ b/src/main/java/org/bukkit/event/inventory/InventoryClickEvent.java
+@@ -47,6 +47,7 @@ public class InventoryClickEvent extends InventoryInteractEvent {
+     private static final HandlerList handlers = new HandlerList();
+     private final ClickType click;
+     private final InventoryAction action;
++    private final Inventory clickedInventory;
+     private SlotType slot_type;
+     private int whichSlot;
+     private int rawSlot;
+@@ -62,6 +63,13 @@ public class InventoryClickEvent extends InventoryInteractEvent {
+         super(view);
+         this.slot_type = type;
+         this.rawSlot = slot;
++        if (slot < 0) {
++            this.clickedInventory = null;
++        } else if (view.getTopInventory() != null && slot < view.getTopInventory().getSize()) {
++            this.clickedInventory = view.getTopInventory();
++        } else {
++            this.clickedInventory = view.getBottomInventory();
++        }
+         this.whichSlot = view.convertSlot(slot);
+         this.click = click;
+         this.action = action;
+@@ -73,6 +81,14 @@ public class InventoryClickEvent extends InventoryInteractEvent {
+     }
+ 
+     /**
++     * Gets the inventory that was clicked, or null if outside of window
++     * @return The clicked inventory
++     */
++    public Inventory getClickedInventory() {
++        return clickedInventory;
++    }
++
++    /**
+      * Gets the type of slot that was clicked.
+      *
+      * @return the slot type
+-- 
+1.8.1.2
+