From 6764704c2273f07698965e87366e962d62f96778 Mon Sep 17 00:00:00 2001
From: TomyLobo <tomylobo@nurfuerspam.de>
Date: Mon, 5 Dec 2011 10:38:44 +0100
Subject: [PATCH] Added support for help text to be shown on syntax errors and
 such.

---
 .../java/com/sk89q/minecraft/util/commands/Command.java   | 5 +++++
 .../sk89q/minecraft/util/commands/CommandsManager.java    | 8 +++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/sk89q/minecraft/util/commands/Command.java b/src/main/java/com/sk89q/minecraft/util/commands/Command.java
index 0efb36b31..fd7ca5e0f 100644
--- a/src/main/java/com/sk89q/minecraft/util/commands/Command.java
+++ b/src/main/java/com/sk89q/minecraft/util/commands/Command.java
@@ -67,4 +67,9 @@ public @interface Command {
      * meaning that if it is given it must have a value
      */
     String flags() default "";
+
+    /**
+     * A long description for the command.
+     */
+    String help() default "";
 }
diff --git a/src/main/java/com/sk89q/minecraft/util/commands/CommandsManager.java b/src/main/java/com/sk89q/minecraft/util/commands/CommandsManager.java
index 69b18d0e5..a72a6586e 100644
--- a/src/main/java/com/sk89q/minecraft/util/commands/CommandsManager.java
+++ b/src/main/java/com/sk89q/minecraft/util/commands/CommandsManager.java
@@ -242,7 +242,7 @@ public abstract class CommandsManager<T> {
      * @return
      */
     protected String getUsage(String[] args, int level, Command cmd) {
-        StringBuilder command = new StringBuilder();
+        final StringBuilder command = new StringBuilder();
 
         command.append('/');
 
@@ -262,6 +262,12 @@ public abstract class CommandsManager<T> {
         }
         command.append(cmd.usage());
 
+        final String help = cmd.help();
+        if (!help.isEmpty()) {
+            command.append("\n\n");
+            command.append(help);
+        }
+
         return command.toString();
     }