Fix Enchant sign, the user has to hold the item in hand now. A * or "any" in the second line allows to enchant all possible items.

Essentials/src/com/earth2me/essentials/Trade.java

@@ -64,7 +64,7 @@ public class Trade
 		}
 
 		if (getItemStack() != null
-			&& !InventoryWorkaround.containsItem(user.getInventory(), true, itemStack))
+			&& !InventoryWorkaround.containsItem(user.getInventory(), true, true, itemStack))
 		{
 			throw new ChargeException(_("missingItems", getItemStack().getAmount(), getItemStack().getType().toString().toLowerCase(Locale.ENGLISH).replace("_", " ")));
 		}
@@ -133,11 +133,11 @@ public class Trade
 		}
 		if (getItemStack() != null)
 		{
-			if (!InventoryWorkaround.containsItem(user.getInventory(), true, itemStack))
+			if (!InventoryWorkaround.containsItem(user.getInventory(), true, true, itemStack))
 			{
 				throw new ChargeException(_("missingItems", getItemStack().getAmount(), getItemStack().getType().toString().toLowerCase(Locale.ENGLISH).replace("_", " ")));
 			}
-			InventoryWorkaround.removeItem(user.getInventory(), true, getItemStack());
+			InventoryWorkaround.removeItem(user.getInventory(), true, true, getItemStack());
 			user.updateInventory();
 		}
 		if (command != null && !command.isEmpty()

Essentials/src/com/earth2me/essentials/commands/Commandsell.java

@@ -156,7 +156,7 @@ public class Commandsell extends EssentialsCommand
 		//TODO: Prices for Enchantments
 		final ItemStack ris = is.clone();
 		ris.setAmount(amount);
-		InventoryWorkaround.removeItem(user.getInventory(), true, ris);
+		InventoryWorkaround.removeItem(user.getInventory(), true, true, ris);
 		user.updateInventory();
 		Trade.log("Command", "Sell", "Item", user.getName(), new Trade(ris, ess), user.getName(), new Trade(worth * amount, ess), user.getLocation(), ess);
 		user.giveMoney(worth * amount);

Essentials/src/com/earth2me/essentials/commands/Commandunlimited.java

@@ -103,7 +103,7 @@ public class Commandunlimited extends EssentialsCommand
 		{
 			message = "enableUnlimited";
 			enableUnlimited = true;
-			if (!InventoryWorkaround.containsItem(target.getInventory(), true, stack))
+			if (!InventoryWorkaround.containsItem(target.getInventory(), true, true, stack))
 			{
 				target.getInventory().addItem(stack);
 			}

Essentials/src/com/earth2me/essentials/craftbukkit/InventoryWorkaround.java

@@ -20,12 +20,12 @@ public final class InventoryWorkaround
 	{
 	}
 
-	public static int first(final Inventory inventory, final ItemStack item, final boolean forceDurability, final boolean forceAmount)
+	public static int first(final Inventory inventory, final ItemStack item, final boolean forceDurability, final boolean forceAmount, final boolean forceEnchantments)
 	{
-		return next(inventory, item, 0, forceDurability, forceAmount);
+		return next(inventory, item, 0, forceDurability, forceAmount, forceEnchantments);
 	}
 
-	public static int next(final Inventory cinventory, final ItemStack item, final int start, final boolean forceDurability, final boolean forceAmount)
+	public static int next(final Inventory cinventory, final ItemStack item, final int start, final boolean forceDurability, final boolean forceAmount, final boolean forceEnchantments)
 	{
 		final ItemStack[] inventory = cinventory.getContents();
 		for (int i = start; i < inventory.length; i++)
@@ -35,7 +35,7 @@ public final class InventoryWorkaround
 			{
 				continue;
 			}
-			if (item.getTypeId() == cItem.getTypeId() && (!forceAmount || item.getAmount() == cItem.getAmount()) && (!forceDurability || cItem.getDurability() == item.getDurability()) && cItem.getEnchantments().equals(item.getEnchantments()))
+			if (item.getTypeId() == cItem.getTypeId() && (!forceAmount || item.getAmount() == cItem.getAmount()) && (!forceDurability || cItem.getDurability() == item.getDurability()) && (!forceEnchantments || cItem.getEnchantments().equals(item.getEnchantments())))
 			{
 				return i;
 			}
@@ -192,7 +192,7 @@ public final class InventoryWorkaround
 		return leftover;
 	}
 
-	public static Map<Integer, ItemStack> removeItem(final Inventory cinventory, final boolean forceDurability, final ItemStack... items)
+	public static Map<Integer, ItemStack> removeItem(final Inventory cinventory, final boolean forceDurability, final boolean forceEnchantments, final ItemStack... items)
 	{
 		final Map<Integer, ItemStack> leftover = new HashMap<Integer, ItemStack>();
 
@@ -217,7 +217,7 @@ public final class InventoryWorkaround
 				}
 
 				// get first Item, ignore the amount
-				final int first = first(cinventory, item, forceDurability, false);
+				final int first = first(cinventory, item, forceDurability, false, forceEnchantments);
 
 				// Drat! we don't have this type in the inventory
 				if (first == -1)
@@ -250,7 +250,7 @@ public final class InventoryWorkaround
 		return leftover;
 	}
 
-	public static boolean containsItem(final Inventory cinventory, final boolean forceDurability, final ItemStack... items)
+	public static boolean containsItem(final Inventory cinventory, final boolean forceDurability, final boolean forceEnchantments, final ItemStack... items)
 	{
 		final Map<Integer, ItemStack> leftover = new HashMap<Integer, ItemStack>();
 
@@ -272,7 +272,7 @@ public final class InventoryWorkaround
 					combined[j] = items[i].clone();
 					break;
 				}
-				if (combined[j].getTypeId() == items[i].getTypeId() && (!forceDurability || combined[j].getDurability() == items[i].getDurability()) && combined[j].getEnchantments().equals(items[i].getEnchantments()))
+				if (combined[j].getTypeId() == items[i].getTypeId() && (!forceDurability || combined[j].getDurability() == items[i].getDurability()) && (!forceEnchantments || combined[j].getEnchantments().equals(items[i].getEnchantments())))
 				{
 					combined[j].setAmount(combined[j].getAmount() + items[i].getAmount());
 					break;
@@ -298,7 +298,7 @@ public final class InventoryWorkaround
 					break;
 				}
 
-				final int slot = next(cinventory, item, position, forceDurability, false);
+				final int slot = next(cinventory, item, position, forceDurability, false, forceEnchantments);
 
 				// Drat! we don't have this type in the inventory
 				if (slot == -1)

Essentials/src/com/earth2me/essentials/signs/SignEnchant.java

@@ -7,6 +7,7 @@ import com.earth2me.essentials.User;
 import static com.earth2me.essentials.I18n._;
 import com.earth2me.essentials.Trade;
 import com.earth2me.essentials.craftbukkit.InventoryWorkaround;
+import java.util.Locale;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.ItemStack;
@@ -22,11 +23,11 @@ public class SignEnchant extends EssentialsSign
 	@Override
 	protected boolean onSignCreate(final ISign sign, final User player, final String username, final IEssentials ess) throws SignException, ChargeException
 	{
-		final ItemStack stack = getItemStack(sign.getLine(1), 1, ess);
+		final ItemStack stack = sign.getLine(1).equals("*") || sign.getLine(1).equalsIgnoreCase("any") ? null : getItemStack(sign.getLine(1), 1, ess);
 		final String[] enchantLevel = sign.getLine(2).split(":");
 		if (enchantLevel.length != 2)
 		{
-			throw new SignException(_("invalidSignLine", 2));
+			throw new SignException(_("invalidSignLine", 3));
 		}
 		final Enchantment enchantment = Enchantments.getByName(enchantLevel[0]);
 		if (enchantment == null)
@@ -49,7 +50,10 @@ public class SignEnchant extends EssentialsSign
 		}
 		try
 		{
-			stack.addEnchantment(enchantment, level);
+			if (stack != null)
+			{
+				stack.addEnchantment(enchantment, level);
+			}
 		}
 		catch (Throwable ex)
 		{
@@ -62,42 +66,55 @@ public class SignEnchant extends EssentialsSign
 	@Override
 	protected boolean onSignInteract(ISign sign, User player, String username, IEssentials ess) throws SignException, ChargeException
 	{
-		final ItemStack search = getItemStack(sign.getLine(1), 1, ess);
+		final ItemStack search = sign.getLine(1).equals("*") || sign.getLine(1).equalsIgnoreCase("any") ? null : getItemStack(sign.getLine(1), 1, ess);
 		int slot = -1;
 		final Trade charge = getTrade(sign, 3, ess);
 		charge.isAffordableFor(player);
-		if (InventoryWorkaround.containsItem(player.getInventory(), false, search))
-		{
-			slot = InventoryWorkaround.first(player.getInventory(), search, false, true);
-		}
-		if (slot == -1)
-		{
-			throw new SignException(_("missingItems", 1, search.toString()));
-		}
 		final String[] enchantLevel = sign.getLine(2).split(":");
 		if (enchantLevel.length != 2)
 		{
-			throw new SignException(_("invalidSignLine", 2));
+			throw new SignException(_("invalidSignLine", 3));
 		}
 		final Enchantment enchantment = Enchantments.getByName(enchantLevel[0]);
 		if (enchantment == null)
 		{
 			throw new SignException(_("enchantmentNotFound"));
 		}
-
+		int level;
-		final ItemStack toEnchant = player.getInventory().getItem(slot);
 		try
 		{
-			toEnchant.addEnchantment(enchantment, Integer.parseInt(enchantLevel[1]));
+			level = Integer.parseInt(enchantLevel[1]);
 		}
 		catch (NumberFormatException ex)
 		{
-			toEnchant.addEnchantment(enchantment, enchantment.getMaxLevel());
+			level = enchantment.getMaxLevel();
+		}
+
+		final ItemStack playerHand = player.getItemInHand();
+		if (playerHand == null
+			|| playerHand.getAmount() != 1
+			|| (playerHand.containsEnchantment(enchantment)
+				&& playerHand.getEnchantmentLevel(enchantment) == level))
+		{
+			throw new SignException(_("missingItems", 1, sign.getLine(1)));
+		}
+		if (search != null && playerHand.getType() != search.getType())
+		{
+			throw new SignException(_("missingItems", 1, search.getType().toString().toLowerCase(Locale.ENGLISH).replace('_', ' ')));
+		}
+
+		final ItemStack toEnchant = playerHand;
+		try
+		{
+			toEnchant.addEnchantment(enchantment, level);
+		}
+		catch (Exception ex)
+		{
+			throw new SignException(ex.getMessage(), ex);
 		}
 
 		charge.charge(player);
 		Trade.log("Sign", "Enchant", "Interact", username, charge, username, charge, sign.getBlock().getLocation(), ess);
-		player.getInventory().setItem(slot, toEnchant);
 		player.updateInventory();
 		return true;
 	}