ForgeEventHandler.java

package portables.common.handlers;

import cpw.mods.fml.common.eventhandler.Event;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.event.entity.player.PlayerOpenContainerEvent;
import portables.common.core.CommonProxy;

public class ForgeEventHandler
{
	@SubscribeEvent
	public void openGui(PlayerOpenContainerEvent event)
	{
		ItemStack currentItem = event.entityPlayer.getCurrentEquippedItem();

		if (currentItem != null)
		{
			if (Item.getIdFromItem(currentItem.getItem()) == Item.getIdFromItem(CommonProxy.portableItem) || Item.getIdFromItem(currentItem.getItem()) == Item.getIdFromItem(CommonProxy.portableBlock))
			{
				event.setResult(Event.Result.ALLOW);
			}
		}
	}
}