Started Base For Custom GUI Handling

src/main/java/com/massivecraft/factions/util/serializable/InventoryItem.java

@@ -0,0 +1,59 @@
+package com.massivecraft.factions.util.serializable;
+
+import com.massivecraft.factions.util.ItemBuilder;
+import org.bukkit.event.inventory.ClickType;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Driftay
+ */
+public class InventoryItem {
+    private ItemStack item;
+    private Map<ClickType, Runnable> clickMap;
+    private Runnable runnable;
+
+    public InventoryItem(ItemStack original) {
+        this.clickMap = new HashMap();
+        this.item = original;
+    }
+
+    public InventoryItem(ItemBuilder original) { this(original.build()); }
+
+    public InventoryItem click(ClickType type, Runnable runnable) {
+        this.clickMap.put(type, runnable);
+        return this;
+    }
+
+    public InventoryItem click(Runnable runnable) {
+        this.runnable = runnable;
+        return this;
+    }
+
+    public void handleClick(InventoryClickEvent event) {
+        if (clickMap.isEmpty() && runnable != null) {
+            runnable.run();
+        } else {
+            Runnable found = this.clickMap.get(event.getClick());
+            if (found != null) {
+                found.run();
+            }
+        }
+
+    }
+
+    public ItemStack getItem() {
+        return this.item;
+    }
+
+    public Map<ClickType, Runnable> getClickMap() {
+        return this.clickMap;
+    }
+
+    public Runnable getRunnable() {
+        return this.runnable;
+    }
+}

src/main/java/com/massivecraft/factions/util/serializable/Item.java

@@ -1,40 +0,0 @@
-package com.massivecraft.factions.util.serializable;
-
-
-import com.massivecraft.factions.util.ItemBuilder;
-import com.massivecraft.factions.util.XMaterial;
-import org.bukkit.inventory.ItemStack;
-
-import java.util.List;
-
-public class Item {
-    private String name;
-    private List<String> lore;
-    private XMaterial material;
-    private int amount;
-    private int slot;
-
-    public Item(String name, List<String> lore, XMaterial material, int amount, int slot) {
-        this.name = name;
-        this.lore = lore;
-        this.material = material;
-        this.amount = amount;
-        this.slot = slot;
-    }
-
-    public ItemStack buildItemStack(boolean isSelected) {
-        return new ItemBuilder(material.parseItem()).name(name).lore(lore).glowing(isSelected).amount(amount).build();
-    }
-
-    public int getAmount() {
-        return this.amount;
-    }
-
-    public String getName() {
-        return this.name;
-    }
-
-    public int getSlot() {
-        return this.slot;
-    }
-}

src/main/java/com/massivecraft/factions/util/serializable/SaberGUI.java

@@ -0,0 +1,151 @@
+package com.massivecraft.factions.util.serializable;
+
+/**
+ * @author Driftay
+ */
+import com.massivecraft.factions.FactionsPlugin;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.inventory.InventoryType;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Consumer;
+
+
+public abstract class SaberGUI {
+    public static Set<String> allGUINames = new HashSet();
+    public static Map<UUID, SaberGUI> activeGUIs = new ConcurrentHashMap();
+    public SaberGUI parentGUI;
+    protected String title;
+    protected int size;
+    protected Player player;
+    protected Inventory inventory;
+    private Map<Integer, InventoryItem> inventoryItems;
+    private String owningPluginName;
+    private Runnable closeRunnable;
+
+    public SaberGUI(Player player, String title, int size) {
+        this(player, title, size, InventoryType.CHEST);
+    }
+
+    public SaberGUI(Player player, String title, int size, InventoryType type) {
+        this.inventoryItems = new HashMap();
+        this.inventory = type == InventoryType.CHEST ? Bukkit.createInventory(null, size, title) : Bukkit.createInventory(null, type, title);
+        this.player = player;
+        this.size = size;
+        this.title = title;
+        allGUINames.add(this.title);
+    }
+
+    public SaberGUI setParentGUI(SaberGUI parent) {
+        this.parentGUI = parent;
+        return this;
+    }
+
+    public void onUnknownItemClick(InventoryClickEvent event) {
+    }
+
+    public abstract void redraw();
+
+    public void openGUI(JavaPlugin owning) {
+        this.owningPluginName = owning.getName();
+        SaberGUI currentlyActive = activeGUIs.get(this.player.getUniqueId());
+        if (currentlyActive != null) {
+            Bukkit.getLogger().info("Closing already open menu first!");
+            Bukkit.getScheduler().scheduleSyncDelayedTask(owning, () -> {
+                currentlyActive.close();
+                activeGUIs.put(this.player.getUniqueId(), this);
+                this.redraw();
+                this.player.openInventory(this.inventory);
+            });
+        } else {
+            activeGUIs.put(this.player.getUniqueId(), this);
+            this.redraw();
+            this.player.openInventory(this.inventory);
+        }
+    }
+
+    public void setItem(int slot, InventoryItem inventoryItem) {
+        if (inventoryItem != null && inventoryItem.getItem() != null) {
+            this.inventoryItems.put(slot, inventoryItem);
+            this.inventory.setItem(slot, inventoryItem.getItem());
+        } else {
+            this.removeItem(slot);
+        }
+    }
+
+    public void closeWithDelay() {
+        this.closeWithDelay(null);
+    }
+
+    public void closeWithDelay(Consumer<Player> afterClose) {
+        Bukkit.getScheduler().scheduleSyncDelayedTask(FactionsPlugin.instance, () -> {
+            this.player.closeInventory();
+            if (afterClose != null) {
+                afterClose.accept(this.player);
+            }
+
+        }, 1L);
+    }
+
+    public void setItem(int slot, ItemStack item, Runnable runnable) {
+        this.setItem(slot, (new InventoryItem(item)).click(runnable));
+    }
+
+    public void onInventoryClose() {
+        if (this.closeRunnable != null) {
+            this.closeRunnable.run();
+        }
+    }
+
+    public void close() {
+        this.onInventoryClose();
+        this.player.closeInventory();
+    }
+
+    public void removeItem(int slot) {
+        this.inventory.setItem(slot, null);
+        this.inventoryItems.remove(slot);
+    }
+
+    public SaberGUI setOnClose(Runnable runnable) {
+        this.closeRunnable = runnable;
+        return this;
+    }
+
+    public boolean isInventory(Inventory inventory) {
+        return this.inventory.equals(inventory);
+    }
+
+    public static SaberGUI getActiveGUI(UUID uuid) { return activeGUIs.get(uuid); }
+
+    public static void removeGUI(UUID uuid) {
+        activeGUIs.remove(uuid);
+    }
+
+    public SaberGUI getParentGUI() {
+        return this.parentGUI;
+    }
+
+    public Map<Integer, InventoryItem> getInventoryItems() {
+        return this.inventoryItems;
+    }
+
+    public String getOwningPluginName() {
+        return this.owningPluginName;
+    }
+
+    public void setOwningPluginName(String owningPluginName) {
+        this.owningPluginName = owningPluginName;
+    }
+
+    public Runnable getCloseRunnable() {
+        return this.closeRunnable;
+    }
+}
+