Add Support for Itemstack

SpigotCore_Main/src/de/steamwar/inventory/SWInventory.java

@@ -28,11 +28,9 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryCloseEvent;
 import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 public class SWInventory implements Listener {
 
@@ -55,9 +53,13 @@ public class SWInventory implements Listener {
         callbacks.put(-1, c);
     }
 
+    public void setItem(int pos, ItemStack itemStack, InvCallback c){
+        inventory.setItem(pos, itemStack);
+        callbacks.put(pos, c);
+    }
+
     public void setItem(int pos, SWItem item){
-        inventory.setItem(pos, item.getItemStack());
+        setItem(pos, item.getItemStack(), item.getCallback());
-        callbacks.put(pos, item.getCallback());
     }
 
     public void setItem(int pos, Material m, String name, InvCallback c){
@@ -91,9 +93,10 @@ public class SWInventory implements Listener {
         if(!player.equals(e.getWhoClicked()))
             return;
 
-        e.setCancelled(true);
+        if(callbacks.containsKey(e.getRawSlot()) && callbacks.get(e.getRawSlot()) != null) {
-        if(callbacks.containsKey(e.getRawSlot()) && callbacks.get(e.getRawSlot()) != null)
+            e.setCancelled(true);
             callbacks.get(e.getRawSlot()).clicked(e.getClick());
+        }
     }
 
     @EventHandler