add SupportPackagePage to make One-Time Package pages easily

Plugins/Mineplex.StaffServer/src/mineplex/staffServer/ui/packages/SupportPackagePage.java

@@ -0,0 +1,93 @@
+package mineplex.staffServer.ui.packages;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import mineplex.core.account.CoreClient;
+import mineplex.core.common.Pair;
+import mineplex.core.common.util.C;
+import mineplex.core.itemstack.ItemBuilder;
+import mineplex.core.shop.page.MultiPageManager;
+import mineplex.staffServer.customerSupport.CustomerSupport;
+import mineplex.staffServer.ui.SupportPage;
+import mineplex.staffServer.ui.SupportShop;
+
+public class SupportPackagePage extends SupportPage
+{
+	private MultiPageManager<Pair<ItemStack, List<String>>> _multiPageManager;
+
+	// Add items to this list for them to display on the page.
+	protected List<Pair<ItemStack, List<String>>> _packageList;
+
+	// Add package names to this list if they should be given
+	// as items when the above package is clicked.
+	protected List<String> _itemPackages;
+
+	public SupportPackagePage(CustomerSupport plugin, SupportShop shop, Player player, CoreClient target, SupportPage previousPage, String name)
+	{
+		super(plugin, shop, player, target, previousPage, name);
+
+		_multiPageManager = new MultiPageManager<>(this, this::getPackageList, this::addPackage);
+		_packageList = new LinkedList<>();
+		_itemPackages = new ArrayList<>();
+	}
+
+	protected Pair<ItemStack, List<String>> getPackagePair(ItemBuilder builder, String name, String... packages)
+	{
+		builder.setTitle(C.cGreenB + name)
+				.addLore(C.mBody + "Click to give the")
+				.addLore(C.mBody + "following items:");
+
+		for (String packageName : packages)
+		{
+			builder.addLore("  " + C.cYellow + packageName);
+		}
+
+		return Pair.create(builder.build(), Arrays.asList(packages));
+	}
+
+	protected Pair<ItemStack, List<String>> getPackagePair(Material mat, String name, String... packages)
+	{
+		return getPackagePair(new ItemBuilder(mat), name, packages);
+	}
+
+	protected Pair<ItemStack, List<String>> getPackagePair(Material mat, String name)
+	{
+		return getPackagePair(mat, name, name);
+	}
+
+	protected Pair<ItemStack, List<String>> getPackagePair(ItemBuilder builder, String name)
+	{
+		return getPackagePair(builder, name, name);
+	}
+
+	private void addPackage(Pair<ItemStack, List<String>> item, int slot)
+	{
+		addButton(slot, item.getLeft(), (p, c) ->
+		{
+			for (String packageName : item.getRight())
+			{
+				giveUnknownSalesPackage(packageName, _itemPackages.contains(packageName));
+			}
+		});
+	}
+
+	private List<Pair<ItemStack, List<String>>> getPackageList()
+	{
+		return _packageList;
+	}
+
+	@Override
+	protected void buildPage()
+	{
+		super.buildPage();
+
+		_multiPageManager.buildPage();
+	}
+}