ContainerBriefcase.java

package net.geforcemods.securitycraft.containers;

import net.geforcemods.securitycraft.main.mod_SecurityCraft;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;

public class ContainerBriefcase extends Container {
	
	private BriefcaseInventory inventory;
	
	public ContainerBriefcase(EntityPlayer par1Player, InventoryPlayer playerInventory, BriefcaseInventory briefcaseInventory) {
		this.inventory = briefcaseInventory;
		
		for(int i = 0; i < 3; i++) {
			for(int j = 0; j < 4; j++) {
				this.addSlotToContainer(new SlotItemRestricted(this.inventory, j + (i * 4), 53 + (j * 18), 17 + (i * 18), mod_SecurityCraft.briefcase));
			}
		}

		for(int i = 0; i < 3; i++) {
			for(int j = 0; j < 9; j++) {
				this.addSlotToContainer(new Slot(playerInventory, j + i * 9 + 9, 8 + j * 18, 84 + i * 18));
			}
		}

		for(int i = 0; i < 9; i++) {
			this.addSlotToContainer(new Slot(playerInventory, i, 8 + i * 18, 142));
		}
	}
	
	public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int index) {
		ItemStack itemstack = null;
		Slot slot = (Slot) this.inventorySlots.get(index);

		if(slot != null && slot.getHasStack()) {
			ItemStack itemstack1 = slot.getStack();
			itemstack = itemstack1.copy();

			if(index < BriefcaseInventory.SIZE) {
				if(!this.mergeItemStack(itemstack1, BriefcaseInventory.SIZE, 48, true)) {
					return null;
				}

				slot.onSlotChange(itemstack1, itemstack);
			}
			else {
				if(index >= BriefcaseInventory.SIZE) {
					if(!this.mergeItemStack(itemstack1, 0, BriefcaseInventory.SIZE, false)) {
						return null;
					}
				}
			}
			
			if(itemstack1.stackSize == 0) {
				slot.putStack((ItemStack) null);
			}
			else {
				slot.onSlotChanged();
			}

			if(itemstack1.stackSize == itemstack.stackSize) {
				return null;
			}

			slot.onPickupFromSlot(par1EntityPlayer, itemstack1);
		}

		return itemstack;
	}

	public ItemStack slotClick(int slot, int button, int flag, EntityPlayer player) {
		if(slot >= 0 && getSlot(slot) != null && getSlot(slot).getStack() == player.getHeldItem()) {
			return null;
		}
		
		return super.slotClick(slot, button, flag, player);
	}

	public boolean canInteractWith(EntityPlayer player) {
		return true;
	}

}