From bf956abcad838b43c2a63047ce8244974d4e690b Mon Sep 17 00:00:00 2001
From: Sam <huzzahpinkyoshi@gmail.com>
Date: Tue, 17 Oct 2017 00:04:05 +0100
Subject: [PATCH] Paginate TreasurePage

---
 .../core/treasure/ui/TreasurePage.java        | 56 +++++++++++++++----
 1 file changed, 44 insertions(+), 12 deletions(-)

diff --git a/Plugins/Mineplex.Core/src/mineplex/core/treasure/ui/TreasurePage.java b/Plugins/Mineplex.Core/src/mineplex/core/treasure/ui/TreasurePage.java
index 50d9eb917..c20958475 100644
--- a/Plugins/Mineplex.Core/src/mineplex/core/treasure/ui/TreasurePage.java
+++ b/Plugins/Mineplex.Core/src/mineplex/core/treasure/ui/TreasurePage.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.bukkit.ChatColor;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.ClickType;
 import org.bukkit.inventory.ItemStack;
@@ -12,18 +13,28 @@ import org.bukkit.inventory.meta.ItemMeta;
 import mineplex.core.common.util.C;
 import mineplex.core.common.util.F;
 import mineplex.core.common.util.UtilUI;
+import mineplex.core.itemstack.ItemBuilder;
 import mineplex.core.shop.item.IButton;
 import mineplex.core.shop.page.ShopPageBase;
 import mineplex.core.treasure.TreasureLocation;
 import mineplex.core.treasure.TreasureManager;
-import mineplex.core.treasure.reward.TreasureRewardManager;
 import mineplex.core.treasure.types.Treasure;
 
 public class TreasurePage extends ShopPageBase<TreasureManager, TreasureShop>
 {
 
+	private static final int ELEMENTS_PER_PAGE = 9;
+	private static final ItemStack PREVIOUS_PAGE = new ItemBuilder(Material.ARROW)
+			.setTitle(C.cGreen + "Previous Page")
+			.build();
+	private static final ItemStack NEXT_PAGE = new ItemBuilder(Material.ARROW)
+			.setTitle(C.cGreen + "Next Page")
+			.build();
+
 	private final TreasureLocation _treasureLocation;
 
+	private int _page;
+
 	TreasurePage(TreasureManager plugin, TreasureShop shop, Player player, TreasureLocation treasureLocation)
 	{
 		super(plugin, shop, plugin.getClientManager(), plugin.getDonationManager(), "Treasure Chest", player);
@@ -37,13 +48,34 @@ public class TreasurePage extends ShopPageBase<TreasureManager, TreasureShop>
 	protected void buildPage()
 	{
 		List<Treasure> treasures = _treasureLocation.getManager().getTreasures();
-		int[] slots = UtilUI.getIndicesFor(treasures.size(), 2, 5, 1);
+		int[] slots = UtilUI.getIndicesFor(ELEMENTS_PER_PAGE, 1, 5, 1);
 		int index = 0;
+		int start = _page * ELEMENTS_PER_PAGE;
 
-		for (Treasure treasure : _treasureLocation.getManager().getTreasures())
+		for (int treasureIndex = start; treasureIndex < start + ELEMENTS_PER_PAGE && treasureIndex < treasures.size(); treasureIndex++)
 		{
+			Treasure treasure = treasures.get(treasureIndex);
+
 			addButton(slots[index++], prettifyItem(getPlayer(), treasure), new TreasureButton(treasure));
 		}
+
+		if (_page != 0)
+		{
+			addButton(45, PREVIOUS_PAGE, (player, clickType) ->
+			{
+				_page--;
+				refresh();
+			});
+		}
+
+		if (start + ELEMENTS_PER_PAGE < treasures.size())
+		{
+			addButton(53, NEXT_PAGE, (player, clickType) ->
+			{
+				_page++;
+				refresh();
+			});
+		}
 	}
 
 	private ItemStack prettifyItem(Player player, Treasure treasure)
@@ -69,15 +101,15 @@ public class TreasurePage extends ShopPageBase<TreasureManager, TreasureShop>
 			lore.addAll(treasure.getPurchaseMethods());
 		}
 
-		if (!treasure.isDuplicates())
-		{
-			TreasureRewardManager rewardManager = _treasureLocation.getManager().getRewardManager();
-			int total = rewardManager.getTotalItems(treasure);
-			int available = total - rewardManager.getOwnedItems(player, treasure);
-
-			lore.add("");
-			lore.add(C.cGray + "Available Items: " + F.elem(available) + "/" + F.elem(total));
-		}
+//		if (!treasure.isDuplicates())
+//		{
+//			TreasureRewardManager rewardManager = _treasureLocation.getManager().getRewardManager();
+//			int total = rewardManager.getTotalItems(treasure);
+//			int available = total - rewardManager.getOwnedItems(player, treasure);
+//
+//			lore.add("");
+//			lore.add(C.cGray + "Available Items: " + F.elem(available) + "/" + F.elem(total));
+//		}
 
 		if (canOpen)
 		{