From 5e97da2e11270d87c950e3c35709b8bc10a00447 Mon Sep 17 00:00:00 2001
From: Shoghi Cervantes <shoghicp@gmail.com>
Date: Tue, 27 May 2014 01:56:25 +0200
Subject: [PATCH] Added InventoryTransactionEvent

---
 .../event/inventory/InventoryCloseEvent.php   |  3 --
 .../event/inventory/InventoryOpenEvent.php    |  3 --
 .../inventory/InventoryPickupItemEvent.php    |  3 --
 .../inventory/InventoryTransactionEvent.php   | 50 +++++++++++++++++++
 .../inventory/SimpleTransactionGroup.php      |  8 +++
 5 files changed, 58 insertions(+), 9 deletions(-)
 create mode 100644 src/pocketmine/event/inventory/InventoryTransactionEvent.php

diff --git a/src/pocketmine/event/inventory/InventoryCloseEvent.php b/src/pocketmine/event/inventory/InventoryCloseEvent.php
index 6cab54dcb..3ea0ae0ac 100644
--- a/src/pocketmine/event/inventory/InventoryCloseEvent.php
+++ b/src/pocketmine/event/inventory/InventoryCloseEvent.php
@@ -23,9 +23,6 @@ namespace pocketmine\event\inventory;
 use pocketmine\inventory\Inventory;
 use pocketmine\Player;
 
-/**
- * Called when a entity is despawned
- */
 class InventoryCloseEvent extends InventoryEvent{
 	public static $handlerList = null;
 
diff --git a/src/pocketmine/event/inventory/InventoryOpenEvent.php b/src/pocketmine/event/inventory/InventoryOpenEvent.php
index 1a1684e18..acda7b275 100644
--- a/src/pocketmine/event/inventory/InventoryOpenEvent.php
+++ b/src/pocketmine/event/inventory/InventoryOpenEvent.php
@@ -24,9 +24,6 @@ use pocketmine\event\Cancellable;
 use pocketmine\inventory\Inventory;
 use pocketmine\Player;
 
-/**
- * Called when a entity is despawned
- */
 class InventoryOpenEvent extends InventoryEvent implements Cancellable{
 	public static $handlerList = null;
 
diff --git a/src/pocketmine/event/inventory/InventoryPickupItemEvent.php b/src/pocketmine/event/inventory/InventoryPickupItemEvent.php
index 98fb54825..1d86cf936 100644
--- a/src/pocketmine/event/inventory/InventoryPickupItemEvent.php
+++ b/src/pocketmine/event/inventory/InventoryPickupItemEvent.php
@@ -24,9 +24,6 @@ use pocketmine\event\Cancellable;
 use pocketmine\inventory\Inventory;
 use pocketmine\item\Item;
 
-/**
- * Called when a entity is despawned
- */
 class InventoryPickupItemEvent extends InventoryEvent implements Cancellable{
 	public static $handlerList = null;
 
diff --git a/src/pocketmine/event/inventory/InventoryTransactionEvent.php b/src/pocketmine/event/inventory/InventoryTransactionEvent.php
new file mode 100644
index 000000000..8227154e3
--- /dev/null
+++ b/src/pocketmine/event/inventory/InventoryTransactionEvent.php
@@ -0,0 +1,50 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link   http://www.pocketmine.net/
+ *
+ *
+ */
+
+namespace pocketmine\event\inventory;
+use pocketmine\event\Cancellable;
+use pocketmine\event\Event;
+use pocketmine\inventory\Inventory;
+use pocketmine\inventory\TransactionGroup;
+use pocketmine\Player;
+
+/**
+ * Called when there is a transaction between two Inventory objects.
+ * The source of this can be a Player, entities, mods, or even hoppers in the future!
+ */
+class InventoryTransactionEvent extends Event implements Cancellable{
+	public static $handlerList = null;
+
+	/** @var TransactionGroup */
+	private $ts;
+
+	/**
+	 * @param TransactionGroup $ts
+	 */
+	public function __construct(TransactionGroup $ts){
+		$this->ts = $ts;
+	}
+
+	public function getTransaction(){
+		return $this->ts;
+	}
+
+}
\ No newline at end of file
diff --git a/src/pocketmine/inventory/SimpleTransactionGroup.php b/src/pocketmine/inventory/SimpleTransactionGroup.php
index 390c42c35..8b6c3aad7 100644
--- a/src/pocketmine/inventory/SimpleTransactionGroup.php
+++ b/src/pocketmine/inventory/SimpleTransactionGroup.php
@@ -21,7 +21,9 @@
 
 namespace pocketmine\inventory;
 
+use pocketmine\event\inventory\InventoryTransactionEvent;
 use pocketmine\item\Item;
+use pocketmine\Server;
 
 /**
  * This TransactionGroup only allows doing Transaction between one / two inventories
@@ -96,6 +98,12 @@ class SimpleTransactionGroup implements TransactionGroup{
 		if($this->hasExecuted() or !$this->canExecute()){
 			return false;
 		}
+
+		Server::getInstance()->getPluginManager()->callEvent($ev = new InventoryTransactionEvent($this));
+		if($ev->isCancelled()){
+			return false;
+		}
+
 		foreach($this->transactions as $transaction){
 			$transaction->getInventory()->setItem($transaction->getSlot(), $transaction->getTargetItem());
 		}