✨ A player can now add an item by interacting with the inventory. (#11)

* 📄 Update LICENSE year

* ✨ A player can now add an item by interacting with the inventory.

Author: Alessevan

LICENSE

@@ -632,7 +632,7 @@ state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
 
     InventoryAPI is an API to use easily bukkit's inventories
-    Copyright (C) 2020 BakaAless
+    Copyright (C) 2021 BakaAless
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -652,7 +652,7 @@ Also add information on how to contact you by electronic and paper mail.
   If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
 
-    InventoryAPI  Copyright (C) 2020  BakaAless
+    InventoryAPI  Copyright (C) 2021  BakaAless
     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
     This is free software, and you are welcome to redistribute it
     under certain conditions; type `show c' for details.

README.md

@@ -69,4 +69,4 @@ dependencies {
 
 ## Licence
 
-<p xmlns:dct="http://purl.org/dc/terms/" xmlns:cc="http://creativecommons.org/ns#" class="license-text"><a rel="cc:attributionURL" property="dct:title" href="https://github.com/BakaAless/InventoryAPI">InventoryAPI</a> by <a rel="cc:attributionURL dct:creator" property="cc:attributionName" href="https://github.com/BakaAless">BakaAless</a> is licensed under <a rel="license" href="https://creativecommons.org/licenses/by-nc-sa/4.0">CC BY-NC-SA 4.0<img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/cc.svg?ref=chooser-v1" /><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/by.svg?ref=chooser-v1" /><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/nc.svg?ref=chooser-v1" /><img style="height:22px!important;margin-left:3px;vertical-align:text-bottom;" src="https://mirrors.creativecommons.org/presskit/icons/sa.svg?ref=chooser-v1" /></a></p>
+InventoryAPI is under GPL-3.0 License.

src/main/java/fr/bakaaless/inventory/InventoryAPI.java

@@ -1,6 +1,6 @@
 package fr.bakaaless.inventory;
 
-import org.bukkit.Bukkit;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.HandlerList;
@@ -15,6 +15,7 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Optional;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.logging.Level;
@@ -472,14 +473,22 @@ public void onInteract(final InventoryClickEvent e) {
         if (!e.getClickedInventory().equals(this.inventory))
             return;
         e.setCancelled(this.interactionCancel);
+        final AtomicBoolean slotRegister = new AtomicBoolean(false);
         this.items.forEach(itemAPI -> {
             if (e.getSlot() != itemAPI.getSlot())
                 return;
+            slotRegister.set(true);
             if (e.getCurrentItem() == null)
                 return;
             e.setCancelled(itemAPI.isCancelled());
             itemAPI.getConsumer().accept(e);
         });
+        if (!slotRegister.get()) {
+            if (e.getInventory().getItem(e.getSlot()) == null || e.getInventory().getItem(e.getSlot()).getType() == Material.AIR)
+                this.clearSlot(e.getSlot());
+            else
+                this.addItem(e.getSlot(), e.getInventory().getItem(e.getSlot()), false);
+        }
     }
 
     @EventHandler