SlotPhantom.java

package redstonedistortion.utils.helpers;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;

/**
 * Copyright (c) 2014, AEnterprise
 * http://buildcraftadditions.wordpress.com/
 * Buildcraft Additions is distributed under the terms of GNU GPL v3.0
 * Please check the contents of the license located in
 * http://buildcraftadditions.wordpress.com/wiki/licensing-stuff/
 */
public class SlotPhantom extends Slot {

    public SlotPhantom(IInventory inv, int slot, int x, int y) {
        super(inv, slot, x, y);
    }

    @Override
    public boolean canTakeStack(EntityPlayer player) {
        return false;
    }

    public ItemStack onLeftClick(ItemStack playerStack) {
        if (playerStack != null && isItemValid(playerStack)) {
            ItemStack phantomStack = playerStack.copy();
            phantomStack.stackSize = 1;
            putStack(phantomStack);
            onSlotChanged();
        }
        return null;
    }

    public ItemStack onRightClick(ItemStack playerStack) {
        if (getHasStack()) {
            putStack(null);
            onSlotChanged();
        }
        return null;
    }

    public ItemStack onMiddleClick(ItemStack playerStack) {
        return null;
    }

    public ItemStack onClick(int mouseButton, EntityPlayer player) {
        switch (mouseButton) {
            case 0:
                return onLeftClick(player.inventory.getItemStack());
            case 1:
                return onRightClick(player.inventory.getItemStack());
            case 2:
                return onMiddleClick(player.inventory.getItemStack());
            default:
                return null;
        }
    }
}