From 0a4b02f7ac7ca02cf3c689a2f74aca444dbe047b Mon Sep 17 00:00:00 2001
From: u2g <mcmoonlake@hotmail.com>
Date: Sun, 27 Nov 2016 13:37:46 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E5=88=B0=201.5.3:=20?=
 =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=BA=86=20getViewers=20=E5=87=BD=E6=95=B0,?=
 =?UTF-8?q?=20=E4=BB=A5=E5=8F=8A=E4=BF=AE=E5=A4=8D=E4=BA=86=20GUI=20?=
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 =?UTF-8?q?=E5=B9=B6=E6=B2=A1=E6=9C=89=E5=85=B3=E9=97=AD=E7=9A=84=20bug?=
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---
 plugin.yml                                    |  2 +-
 src/com/minecraft/moonlake/gui/api/GUI.java   |  8 ++++++
 .../moonlake/gui/util/GUIReference.java       | 28 +++++++++++++++++++
 3 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/plugin.yml b/plugin.yml
index 190d71b..eb6d13d 100644
--- a/plugin.yml
+++ b/plugin.yml
@@ -1,6 +1,6 @@
 name: MoonLakeGUI
 main: com.minecraft.moonlake.gui.GUIPlugin
-version: 1.5.2
+version: 1.5.3
 author: Month_Light
 website: http://www.mcyszh.com
 
diff --git a/src/com/minecraft/moonlake/gui/api/GUI.java b/src/com/minecraft/moonlake/gui/api/GUI.java
index 7e96872..9d07aa1 100644
--- a/src/com/minecraft/moonlake/gui/api/GUI.java
+++ b/src/com/minecraft/moonlake/gui/api/GUI.java
@@ -28,6 +28,7 @@
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -57,6 +58,13 @@ public interface GUI {
      */
     int getSize();
 
+    /**
+     * 获取此 GUI 的查看者
+     *
+     * @return 查看者
+     */
+    List<Player> getViewers();
+
     /**
      * 创建指定索引为按钮对象
      *
diff --git a/src/com/minecraft/moonlake/gui/util/GUIReference.java b/src/com/minecraft/moonlake/gui/util/GUIReference.java
index 2a38fab..819818a 100644
--- a/src/com/minecraft/moonlake/gui/util/GUIReference.java
+++ b/src/com/minecraft/moonlake/gui/util/GUIReference.java
@@ -38,6 +38,7 @@
 import com.minecraft.moonlake.validate.Validate;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
+import org.bukkit.entity.HumanEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
@@ -111,6 +112,26 @@ public int getSize() {
         return sizeProperty.get();
     }
 
+    /**
+     * 获取此 GUI 的查看者
+     *
+     * @return 查看者
+     */
+    @Override
+    public List<Player> getViewers() {
+
+        List<Player> viewerList = new ArrayList<>();
+
+        for(final HumanEntity entity : inventoryProperty.get().getViewers()) {
+
+            if(entity instanceof Player) {
+
+                viewerList.add((Player) entity);
+            }
+        }
+        return viewerList;
+    }
+
     /**
      * 创建指定索引为按钮对象
      *
@@ -1558,6 +1579,13 @@ public void register() {
     @Deprecated
     public void unregister() {
 
+        for(final Player player : getViewers()) {
+
+            if(player != null) {
+
+                player.closeInventory();
+            }
+        }
         GUIPlugin.getManagers().unregisterGUI(this);
     }
 }