Copy item to clipboard in NBTUtil format

FTBUtilExport.java

package ruukas.ftbutilexport;

import org.lwjgl.input.Keyboard;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.settings.KeyBinding;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fml.client.registry.ClientRegistry;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.InputEvent.KeyInputEvent;

@Mod(modid = FTBUtilExport.MODID, name = FTBUtilExport.NAME, version = FTBUtilExport.VERSION, clientSideOnly = true)
public class FTBUtilExport {
	public static final String MODID = "ftbutilexport";
	public static final String NAME = "FTBUtil Item Export";
	public static final String VERSION = "0.1";

	public static KeyBinding[] keybinds;

	@EventHandler
	public void init(FMLInitializationEvent event) {
		keybinds = new KeyBinding[1];
		keybinds[0] = new KeyBinding("Copy item to clipboard", Keyboard.KEY_K, "FTBUtil Item Export");

		for (KeyBinding k : keybinds) {
			ClientRegistry.registerKeyBinding(k);
		}
	}

	@Mod.EventBusSubscriber(modid = MODID)
	public static class KeyEventHandler {
		@SubscribeEvent
		public static void onKeyPress(KeyInputEvent event) {
			
			if (keybinds[0].isPressed() && Minecraft.getMinecraft().world != null) {
				ItemStack stack = Minecraft.getMinecraft().player.getHeldItemMainhand();

				if (stack == null || stack == ItemStack.EMPTY) {
					return;
				}

				String tag = stack.hasTagCompound() ? stack.getTagCompound().toString() : "{}";
	            GuiScreen.setClipboardString("{id:\"" + stack.getItem().getRegistryName() + "\",Count:" + stack.getCount() + ",Damage:" + stack.getItemDamage() + ",tag:" + tag + "}");
			}
		}

	}
}