You can now destroy from your inventory a map, or all maps from a poster, by putting a map in the map list GUI.

* NEW: Remove a whole map (poster or single) from the inventory by putting a piece in the map list GUI.

src/main/java/fr/moribus/imageonmap/gui/list/MapListGui.java

@@ -134,8 +134,8 @@ public class MapListGui extends AbstractGui {
 	}
 
 	@Override
-	public void onClick(Player player, ItemStack stack, String action, ClickType clickType) {
+	public void onClick(Player player, ItemStack stack, String action, ClickType clickType)
-
+	{
 		switch (action)
 		{
 			case "back":
@@ -188,6 +188,24 @@ public class MapListGui extends AbstractGui {
 
 	}
 
+	@Override
+	public void onItemDeposit(Player player, ItemStack stack, ClickType clickType, InventoryClickEvent ev) {
+		ev.setCancelled(true);
+
+		if (stack.getType() == Material.MAP && MapManager.managesMap(stack))
+		{
+			ImageMap map = MapManager.getMap(stack);
+
+			if (map != null)
+			{
+				MapManager.clear(player.getInventory(), map);
+
+				// Deprecated? Yes. Alternatives? No, as usual...
+				ev.setCursor(new ItemStack(Material.AIR));
+			}
+		}
+	}
+
 	private void nextPage(Player player)
 	{
 		if(currentPage < lastPage) currentPage++;

src/main/java/fr/moribus/imageonmap/map/MapManager.java

@@ -144,6 +144,45 @@ abstract public class MapManager
         return getPlayerMapStore(playerUUID).getMap(mapId);
     }
 
+    /**
+     * Returns the {@link ImageMap} this map belongs to.
+     *
+     * @param mapId The ID of the Minecraft map.
+     * @return The {@link ImageMap}.
+     */
+    static public ImageMap getMap(short mapId)
+    {
+        synchronized(playerMaps)
+        {
+            for(PlayerMapStore mapStore : playerMaps)
+            {
+                if(mapStore.managesMap(mapId))
+                {
+                    for(ImageMap map : mapStore.getMapList())
+                    {
+                        if(map.managesMap(mapId))
+                        {
+                            return map;
+                        }
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Returns the {@link ImageMap} this map belongs to.
+     *
+     * @param item The map, as an {@link ItemStack}.
+     * @return The {@link ImageMap}.
+     */
+    static public ImageMap getMap(ItemStack item)
+    {
+        return getMap(item.getDurability());
+    }
+    
     static public void clear(Inventory inventory)
     {
         for(int i = 0, c = inventory.getSize(); i < c; i++)