Added the ability to block commands.

src/main/java/com/songoda/ultimatemoderation/UltimateModeration.java

@@ -63,6 +63,7 @@ public class UltimateModeration extends JavaPlugin {
         this.commandManager = new CommandManager(this);
 
         // Register Listeners
+        Bukkit.getPluginManager().registerEvents(new CommandListener(this), this);
         Bukkit.getPluginManager().registerEvents(new DeathListener(this), this);
         Bukkit.getPluginManager().registerEvents(new MoveListener(this), this);
         Bukkit.getPluginManager().registerEvents(new DropListener(this), this);

src/main/java/com/songoda/ultimatemoderation/command/commands/CommandToggleChat.java

@@ -42,7 +42,6 @@ public class CommandToggleChat extends AbstractCommand {
                 continue;
 
             player.sendMessage(Methods.formatText(locale.getMessage("command.togglechat.bypass")));
-
         }
 
         if (!(sender instanceof Player))

src/main/java/com/songoda/ultimatemoderation/listeners/CommandListener.java

@@ -0,0 +1,39 @@
+package com.songoda.ultimatemoderation.listeners;
+
+import com.songoda.ultimatemoderation.UltimateModeration;
+import com.songoda.ultimatemoderation.utils.Methods;
+import com.songoda.ultimatemoderation.utils.SettingsManager;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.AsyncPlayerChatEvent;
+import org.bukkit.event.player.PlayerCommandPreprocessEvent;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CommandListener implements Listener {
+
+    private UltimateModeration instance;
+
+    public CommandListener(UltimateModeration ultimateModeration) {
+        this.instance = ultimateModeration;
+    }
+
+    @EventHandler
+    public void onCommand(PlayerCommandPreprocessEvent event) {
+        Player player = event.getPlayer();
+
+        List<String> blockedCommands = SettingsManager.Setting.BLOCKED_COMMANDS.getStringList();
+
+        for (String cmd : blockedCommands) {
+            if (event.getMessage().toUpperCase().startsWith("/" + cmd.toUpperCase())
+                    && !player.hasPermission("um.commandblock.bypass")) {
+                event.setCancelled(true);
+                event.setMessage("-");
+                player.sendMessage(instance.getReferences().getPrefix() + instance.getLocale().getMessage("command.blocked"));
+            }
+        }
+    }
+}

src/main/java/com/songoda/ultimatemoderation/utils/SettingsManager.java

@@ -173,6 +173,8 @@ public class SettingsManager implements Listener {
         VANISH_BATS("Main.Release Bats On Vanish", true),
         VANISH_PARTICLE("Main.Vanish Particle", "EXPLOSION_NORMAL"),
 
+        BLOCKED_COMMANDS("Main.Blocked Commands", Arrays.asList("Fly", "Op", "Plugins", "Pl")),
+
         GLASS_TYPE_1("Interfaces.Glass Type 1", 7),
         GLASS_TYPE_2("Interfaces.Glass Type 2", 11),
         GLASS_TYPE_3("Interfaces.Glass Type 3", 3),

src/main/resources/en_US.lang

@@ -24,4 +24,6 @@ command.revive.success = "&7You have revived &6%player% &7successfully."
 command.revive.revived = "&7You have been revived."
 
 command.spy.returned = "&7You were returned to your previous location"
-command.spy.success = "&7You are now spying on &6%player%&7. Use the command &6/spy &7to return to your previous location&7"
+command.spy.success = "&7You are now spying on &6%player%&7. Use the command &6/spy &7to return to your previous location&7"
+
+command.blocked = "&cYou cannot use that command..."