Makes a string translatable

src/main/java/net/knarcraft/bookswithoutborders/command/CommandAddTitlePage.java

@@ -1,8 +1,10 @@
 package net.knarcraft.bookswithoutborders.command;
 
 import net.knarcraft.bookswithoutborders.BooksWithoutBorders;
+import net.knarcraft.bookswithoutborders.config.Translatable;
 import net.knarcraft.bookswithoutborders.utility.BookFormatter;
 import net.knarcraft.bookswithoutborders.utility.InventoryHelper;
+import net.knarcraft.knarlib.formatting.StringFormatter;
 import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Material;
 import org.bukkit.command.Command;
@@ -25,15 +27,16 @@ public class CommandAddTitlePage implements TabExecutor {
     @Override
     public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String s,
                              @NotNull String[] arguments) {
+        StringFormatter stringFormatter = BooksWithoutBorders.getStringFormatter();
         if (!(sender instanceof Player player)) {
-            BooksWithoutBorders.sendErrorMessage(sender, "This command can only be used by a player!");
+            stringFormatter.displayErrorMessage(sender, Translatable.ERROR_PLAYER_ONLY);
             return false;
         }
 
 
         ItemStack heldBook = InventoryHelper.getHeldBook(player);
         if (heldBook == null) {
-            BooksWithoutBorders.sendErrorMessage(sender, "You must be holding a book to perform this command");
+            stringFormatter.displayErrorMessage(sender, Translatable.ERROR_NOT_HOLDING_ANY_BOOK);
             return false;
         }
 

src/main/java/net/knarcraft/bookswithoutborders/config/Translatable.java

@@ -183,6 +183,11 @@ public enum Translatable implements TranslatableMessage {
      */
     ERROR_GIVE_LOAD_FAILED,
 
+    /**
+     * The error displayed when running a command without holding any book in the main hand
+     */
+    ERROR_NOT_HOLDING_ANY_BOOK,
+
     /**
      * The header displayed before printing all commands
      */

src/main/resources/strings.yml

@@ -11,6 +11,7 @@ en:
   ERROR_PLAYER_ONLY: "This command can only be used by a player!"
   ERROR_NOT_HOLDING_WRITTEN_BOOK: "You must be holding a written book to {action} it!"
   ERROR_NOT_HOLDING_WRITABLE_BOOK: "You must be holding a writable book to {action} it!"
+  ERROR_NOT_HOLDING_ANY_BOOK: "You must be holding a book to perform this command"
   ERROR_ONLY_ONE_BOOK: "You cannot {action} two books at once!"
   ACTION_COPY: "copy"
   ACTION_CLEAR: "clear"