NotEnoughItems/src/main/java/codechicken/nei/DefaultHighlightHandler.java

package codechicken.nei;

import codechicken.nei.api.IHighlightHandler;
import codechicken.nei.api.ItemInfo;
import codechicken.nei.guihook.GuiContainerManager;
import java.util.List;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.World;

public class DefaultHighlightHandler implements IHighlightHandler {
    @Override
    public List<String> handleTextData(
            ItemStack stack,
            World world,
            EntityPlayer player,
            MovingObjectPosition mop,
            List<String> currenttip,
            ItemInfo.Layout layout) {
        String name = null;
        try {
            String s = GuiContainerManager.itemDisplayNameShort(stack);
            if (s != null && !s.endsWith("Unnamed")) name = s;

            if (name != null) currenttip.add(name);
        } catch (Exception ignored) {
        }

        if (name != null && stack.getItem() == Items.redstone) {
            int md = world.getBlockMetadata(mop.blockX, mop.blockY, mop.blockZ);
            String s = "" + md;
            if (s.length() < 2) s = " " + s;
            currenttip.set(currenttip.size() - 1, name + " " + s);
        }

        return currenttip;
    }

    @Override
    public ItemStack identifyHighlight(World world, EntityPlayer player, MovingObjectPosition mop) {
        return null;
    }
}