src/de/steamwar/tutorial/TutorialSystem.java

@@ -19,7 +19,9 @@
 
 package de.steamwar.tutorial;
 
+import de.steamwar.tutorial.commands.BookReplaceCommand;
 import de.steamwar.tutorial.commands.TutorialCommand;
+import de.steamwar.tutorial.commands.UnsignCommand;
 import de.steamwar.tutorial.listener.Joining;
 import de.steamwar.tutorial.listener.RateSign;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -38,7 +40,9 @@ public class TutorialSystem extends JavaPlugin {
         new RateSign();
         new Joining();
 
+        new BookReplaceCommand();
         new TutorialCommand();
+        new UnsignCommand();
     }
 
     public static TutorialSystem getPlugin() {

src/de/steamwar/tutorial/commands/BookReplaceCommand.java

@@ -0,0 +1,48 @@
+package de.steamwar.tutorial.commands;
+
+import de.steamwar.command.SWCommand;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.BookMeta;
+import org.bukkit.inventory.meta.ItemMeta;
+
+import java.util.List;
+
+public class BookReplaceCommand extends SWCommand {
+
+    public BookReplaceCommand() {
+        super("bookreplace");
+    }
+
+    @Register("color")
+    public void color(Player player) {
+        ItemStack itemStack = player.getInventory().getItemInMainHand();
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        if (itemMeta instanceof BookMeta) {
+            BookMeta bookMeta = (BookMeta) itemMeta;
+            replace(bookMeta, '&', '§');
+            itemStack.setItemMeta(bookMeta);
+            player.getInventory().setItemInMainHand(itemStack);
+        }
+    }
+
+    @Register("uncolor")
+    public void uncolor(Player player) {
+        ItemStack itemStack = player.getInventory().getItemInMainHand();
+        ItemMeta itemMeta = itemStack.getItemMeta();
+        if (itemMeta instanceof BookMeta) {
+            BookMeta bookMeta = (BookMeta) itemMeta;
+            replace(bookMeta, '§', '&');
+            itemStack.setItemMeta(bookMeta);
+            player.getInventory().setItemInMainHand(itemStack);
+        }
+    }
+
+    private void replace(BookMeta bookMeta, char oldChar, char newChar) {
+        List<String> stringList = bookMeta.getPages();
+        for (int i = 0; i < stringList.size(); i++) {
+            String string = stringList.get(i);
+            stringList.set(i, string.replace(oldChar, newChar));
+        }
+    }
+}

src/de/steamwar/tutorial/commands/UnsignCommand.java

@@ -0,0 +1,21 @@
+package de.steamwar.tutorial.commands;
+
+import de.steamwar.command.SWCommand;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public class UnsignCommand extends SWCommand {
+
+    public UnsignCommand() {
+        super("unsign");
+    }
+
+    @Register
+    public void unsignCommand(Player p) {
+        ItemStack itemStack = p.getInventory().getItemInMainHand();
+        if (itemStack.getType() != Material.WRITTEN_BOOK) return;
+        itemStack.setType(Material.WRITABLE_BOOK);
+        p.getInventory().setItemInMainHand(itemStack);
+    }
+}