Replaces hard-coded placeholder string with translatable messages

src/main/resources/strings.yml

@@ -13,10 +13,10 @@ en:
   SUCCESS_BOOK_LOADED: "Book created!"
   SUCCESS_MIGRATION_STARTED: "Starting book migration..."
   SUCCESS_RELOADED: "Configuration, books and language strings reloaded!"
-  SUCCESS_SAVED: "Book Saved as &e\"{fileName}\"&r"
+  SUCCESS_SAVED: "Book Saved as &e\"{file}\"&r"
   SUCCESS_SET_AUTHOR: "Book author set to {author}!"
   SUCCESS_COST_REMOVED: "Price to create books removed!"
-  SUCCESS_COST_ITEM_SET: "Book creation price set to {quantity} {price}(s)!"
+  SUCCESS_COST_ITEM_SET: "Book creation price set to {quantity} {cost}(s)!"
   SUCCESS_COST_ECONOMY_SET: "Book creation price set to {cost}!"
   SUCCESS_COST_PAID: |
     {cost} withdrawn to create {copies} book(s)
@@ -81,7 +81,7 @@ en:
   ERROR_SAVE_FILE_SYSTEM_ERROR: "Saving Failed! If this continues to happen, consult a server admin!"
   ERROR_SAVE_OVERWRITE_REQUIRED: "Use &e{command}&r to overwrite!"
   ERROR_SAVE_DUPLICATE_NAMED: "Book is already saved!"
-  ERROR_SAVE_DUPLICATE_UNNAMED: "Maximum amount of {fileName} duplicates reached!"
+  ERROR_SAVE_DUPLICATE_UNNAMED: "Maximum amount of {file} duplicates reached!"
   ERROR_UNKNOWN_COMMAND: "Invalid command specified"
   ERROR_AUTHOR_BLANK: "You must specify an author"
   ERROR_COST_NOT_SPECIFIED: "[Item/Eco] and [quantity] must be specified!"
@@ -129,7 +129,7 @@ en:
     {bookPrice}&eCommands:
     {commandExplanation}&r
     {commands}
-  NEUTRAL_COMMANDS_BOOK_PRICE_ECO: "\n&c[{price} is required to create a book]"
+  NEUTRAL_COMMANDS_BOOK_PRICE_ECO: "\n&c[{cost} is required to create a book]"
   NEUTRAL_COMMANDS_BOOK_PRICE_ITEM: "&c[{quantity} {type} (s) are required to create a book]\n"
   NEUTRAL_COMMANDS_COMMAND: "\n&e{usage}{aliases}: &a{description}"
   NEUTRAL_COMMANDS_SUMMARY: "\n&eCommand: &aUsage summary"
@@ -156,7 +156,7 @@ en:
   NEUTRAL_BOOK_LIST_PATH_HOVER: "Select book by path"
   NEUTRAL_BOOK_LIST_BOOK_INDEX_HOVER: "Select book by index"
   NEUTRAL_BOOK_LIST_BOOK_INDEX_NUMBER: "[{index}]"
-  NEUTRAL_BOOKSHELF_HEADER_TITLE: "&nBookshelf summary\n&#FF5700Books in {name}&r&#FF5700:{lore}"
+  NEUTRAL_BOOKSHELF_HEADER_TITLE: "&nBookshelf summary\n&#FF5700Books in {title}&r&#FF5700:{lore}"
   NEUTRAL_BOOKSHELF_HEADER_LORE: "\n  &d{lore}&r"
   NEUTRAL_BOOKSHELF_HEADER_TITLE_EMPTY: "shelf"
   NEUTRAL_BOOKSHELF_HEADER_TOP: "\n &#FF5700Top Row:&r"
@@ -185,4 +185,47 @@ en:
   SIGN_VALID: "&1{line}"
   ERROR_SIGN_INVALID: "Invalid sign!"
   ERROR_SIGN_COMMAND_INVALID: "Sign command {action} {data} is invalid"
-  SUCCESS_SIGN_GIVE: "Received book!"
+  SUCCESS_SIGN_GIVE: "Received book!"
+  # ------------ #
+  # Placeholders #
+  # -------------¤
+  # Warning: Replacing any of these require them to be replaced in every other string in this file that contains the
+  # placeholder. Avoid changing these unless it's necessary, or you know what you're doing! Some placeholders may also
+  # be used in non-customizable error messages.
+  # ------------ #
+  FILE: "{file}"
+  AUTHOR: "{author}"
+  ACTION: "{action}"
+  DATA: "{data}"
+  INDEX: "{index}"
+  QUANTITY: "{quantity}"
+  COST: "{cost}"
+  TITLE: "{title}"
+  DISPLAY_NAME: "{displayName}"
+  LINE: "{line}"
+  PASSWORD: "{password}"
+  COMMAND: "{command}"
+  EXCEPTION: "{exception}"
+  PATH: "{path}"
+  EXTENSION: "{extension}"
+  HEADER: "{header}"
+  TEXT: "{text}"
+  SEPARATOR: "{separator}"
+  CURRENT: "{current}"
+  TOTAL: "{total}"
+  CHARACTER: "{character}"
+  PAGE: "{page}"
+  BOOK_PRICE: "{bookPrice}"
+  COMMANDS: "{commands}"
+  COMMAND_EXPLANATION: "{commandExplanation}"
+  PLAYER: "{player}"
+  CURRENCY: "{currency}"
+  FOLDER: "{folder}"
+  TYPE: "{type}"
+  PERMISSION: "{permission}"
+  USAGE: "{usage}"
+  DESCRIPTION: "{description}"
+  ALIASES: "{aliases}"
+  LORE: "{lore}"
+  COPIES: "{copies}"
+  BALANCE: "{balance}"