Improvements to the ChestGUI

src/com/massivecraft/massivecore/chestgui/ChestGui.java

@@ -1,20 +1,23 @@
 package com.massivecraft.massivecore.chestgui;
 
+import java.util.List;
 import java.util.Map;
 
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 
+import com.massivecraft.massivecore.MassiveCoreMConf;
 import com.massivecraft.massivecore.SoundEffect;
+import com.massivecraft.massivecore.collections.MassiveList;
 import com.massivecraft.massivecore.collections.MassiveMap;
 
 public class ChestGui
 {
 	// -------------------------------------------- //
-	// STATIC REGISTRY
+	// REGISTRY
 	// -------------------------------------------- //
 	
-	protected static Map<Inventory, ChestGui> inventoryToGui = new MassiveMap<Inventory, ChestGui>();
+	private static final Map<Inventory, ChestGui> inventoryToGui = new MassiveMap<Inventory, ChestGui>();
 	public static Map<Inventory, ChestGui> getInventoryToGui() { return inventoryToGui; }
 	public static ChestGui remove(Inventory inventory) { return inventoryToGui.remove(inventory); }
 	public static ChestGui set(Inventory inventory, ChestGui gui) { return inventoryToGui.put(inventory, gui); }
@@ -29,10 +32,10 @@ public class ChestGui
 	}
 	
 	// -------------------------------------------- //
-	// FIELDS: ACTIONS
+	// ACTIONS
 	// -------------------------------------------- //
 	
-	protected Map<Integer, ChestAction> indexToAction = new MassiveMap<Integer, ChestAction>();
+	private Map<Integer, ChestAction> indexToAction = new MassiveMap<Integer, ChestAction>();
 	public Map<Integer, ChestAction> getIndexToAction() { return this.indexToAction; }
 	public ChestAction removeAction(ItemStack item) { return this.indexToAction.remove(item); }
 	public ChestAction setAction(int index, ChestAction action) { return this.indexToAction.put(index, action); }
@@ -40,10 +43,35 @@ public class ChestGui
 	public ChestAction getAction(int index) { return this.indexToAction.get(index); }
 	
 	// -------------------------------------------- //
-	// FIELDS: SOUND
+	// LAST ACTION
 	// -------------------------------------------- //
 	
-	protected SoundEffect soundEffect = SoundEffect.valueOf("CLICK", 1.0f, 1.0f);
+	private ChestAction lastAction = null;
+	public ChestAction getLastAction() { return this.lastAction; }
+	public void setLastAction(ChestAction lastAction) { this.lastAction = lastAction; }
+	
+	// -------------------------------------------- //
+	// META DATA
+	// -------------------------------------------- //
+	
+	private final Map<String, Object> meta = new MassiveMap<>();
+	public Map<String, Object> getMeta() { return this.meta; }
+	
+	// -------------------------------------------- //
+	// RUNNABLES
+	// -------------------------------------------- //
+	
+	private final List<Runnable> runnablesOpen = new MassiveList<>();
+	public List<Runnable> getRunnablesOpen() { return this.runnablesOpen; }
+	
+	private final List<Runnable> runnablesClose = new MassiveList<>();
+	public List<Runnable> getRunnablesClose() { return this.runnablesClose; }
+	
+	// -------------------------------------------- //
+	// SOUND
+	// -------------------------------------------- //
+	
+	private SoundEffect soundEffect = MassiveCoreMConf.get().clickSound;
 	public SoundEffect getSoundEffect() { return this.soundEffect; }
 	public ChestGui setSoundEffect(SoundEffect soundEffect) { this.soundEffect = soundEffect; return this; }
 	

src/com/massivecraft/massivecore/engine/EngineMassiveCoreChestGui.java

@@ -1,10 +1,12 @@
 package com.massivecraft.massivecore.engine;
 
 import org.bukkit.event.Event.Result;
+import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryCloseEvent;
+import org.bukkit.event.inventory.InventoryOpenEvent;
 import org.bukkit.inventory.Inventory;
 import com.massivecraft.massivecore.Engine;
 import com.massivecraft.massivecore.chestgui.ChestAction;
@@ -54,6 +56,9 @@ public class EngineMassiveCoreChestGui extends Engine
 		ChestAction action = gui.getAction(index);
 		if (action == null) return;
 		
+		// ... set last action ...
+		gui.setLastAction(action);
+		
 		// ... then play the sound ...
 		gui.getSoundEffect().run(event.getWhoClicked());
 		
@@ -64,12 +69,63 @@ public class EngineMassiveCoreChestGui extends Engine
 		action.onClick(event);		
 	}
 	
-	@EventHandler(priority = EventPriority.LOW)
+	@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+	public void onOpen(InventoryOpenEvent event)
+	{
+		// Get
+		final Inventory inventory = event.getInventory();
+		if (inventory == null) return;
+		final ChestGui gui = ChestGui.get(inventory);
+		if (gui == null) return;
+		
+		// Runnables
+		Bukkit.getScheduler().runTask(getPlugin(), new Runnable()
+		{
+			@Override
+			public void run()
+			{
+				for (Runnable runnable : gui.getRunnablesOpen())
+				{
+					runnable.run();
+				}
+			}
+		});
+	}
+	
+	// NOTE:
+	
+	@EventHandler(priority = EventPriority.MONITOR)
 	public void onClose(InventoryCloseEvent event)
 	{
-		Inventory inventory = event.getInventory();
+		// Get
+		final Inventory inventory = event.getInventory();
 		if (inventory == null) return;
+		final ChestGui gui = ChestGui.get(inventory);
+		if (gui == null) return;
+		
+		// Runnables
+		Bukkit.getScheduler().runTask(getPlugin(), new Runnable()
+		{
+			@Override
+			public void run()
+			{
+				for (Runnable runnable : gui.getRunnablesClose())
+				{
+					runnable.run();
+				}
+			}
+		});
+		
+		// We save the inventory in the map for a little while.
+		// A plugin may want to do something upon the chest gui closing.
+		Bukkit.getScheduler().runTaskLater(this.getPlugin(), new Runnable()
+		{
+			@Override
+			public void run()
+			{
 				ChestGui.remove(inventory);
 			}
+		}, 20);
+	}
 
 }