From a567e2eb031554b1a6cbcce9d834d4d1007e10d1 Mon Sep 17 00:00:00 2001
From: 502647092 <admin@yumc.pw>
Date: Tue, 9 Aug 2016 17:33:21 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=E9=BB=98=E8=AE=A4?=
 =?UTF-8?q?=E5=91=BD=E4=BB=A4=E5=A4=84=E7=90=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 502647092 <admin@yumc.pw>
---
 .../pw/yumc/YumCore/commands/CommandHelp.java | 50 ++++++++++++++++---
 .../yumc/YumCore/commands/CommandManager.java | 11 ++++
 2 files changed, 55 insertions(+), 6 deletions(-)

diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java b/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java
index 798e9f0..26500ad 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandHelp.java
@@ -36,6 +36,10 @@ public class CommandHelp {
     String helpTitle = String.format("§6========= %s §6插件帮助列表=========", prefix);
     String helpBody = "§6/%1$s §a%2$s §e%3$s §6- §b%4$s";
     String helpFooter = "§6查看更多的帮助页面 §b请输入 /%s help §e1-%s";
+    /**
+     * 默认命令
+     */
+    CommandInfo defCmd;
     /**
      * 已排序的命令列表
      */
@@ -53,10 +57,45 @@ public class CommandHelp {
      */
     private final Map<String, String[]> cacheHelp = new HashMap<>();
 
+    /**
+     * 命令帮助
+     *
+     * @param list
+     *            子命令列表
+     */
     public CommandHelp(final Collection<? extends CommandInfo> list) {
+        this(null, list);
+    }
+
+    /**
+     * 命令帮助
+     *
+     * @param defCmd
+     *            默认命令
+     * @param list
+     *            子命令列表
+     */
+    public CommandHelp(final CommandInfo defCmd, final Collection<? extends CommandInfo> list) {
+        this.defCmd = defCmd;
         cmdlist = new LinkedList<>(list);
         Collections.sort(cmdlist, new CommandComparator());
-        this.HELPPAGECOUNT = (int) Math.ceil((double) cmdlist.size() / LINES_PER_PAGE);
+        HELPPAGECOUNT = (int) Math.ceil((double) cmdlist.size() / LINES_PER_PAGE);
+    }
+
+    /**
+     * 格式化命令信息
+     *
+     * @param ci
+     *            命令信息
+     * @param label
+     *            命令
+     * @return 格式化后的字串
+     */
+    public String formatCommand(final CommandInfo ci, final String label) {
+        final String aliases = Arrays.toString(ci.getCommand().aliases());
+        final String cmd = ci.getName() + (aliases.length() == 2 ? "" : "§7" + aliases);
+        final Help help = ci.getHelp();
+        return String.format(helpBody, label, cmd, help.possibleArguments(), help.value());
     }
 
     /**
@@ -85,16 +124,15 @@ public class CommandHelp {
             } else {
                 // 帮助标题
                 helpList.add(helpTitle);
+                if (page == 1 && defCmd != null) {
+                    helpList.add(formatCommand(defCmd, label));
+                }
                 final int start = this.LINES_PER_PAGE * (page - 1);
                 final int end = start + this.LINES_PER_PAGE;
                 for (int i = start; i < end; i++) {
                     if (this.cmdlist.size() > i) {
-                        final CommandInfo ci = cmdlist.get(i);
-                        final String aliases = Arrays.toString(ci.getCommand().aliases());
-                        final String cmd = ci.getName() + (aliases.length() == 2 ? "" : "§7" + aliases);
-                        final Help help = ci.getHelp();
                         // 帮助列表
-                        helpList.add(String.format(helpBody, label, cmd, help.possibleArguments(), help.value()));
+                        helpList.add(formatCommand(cmdlist.get(i), label));
                     }
                 }
             }
diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandManager.java b/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
index 71aeee3..3e7b564 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandManager.java
@@ -35,6 +35,10 @@ public class CommandManager implements TabExecutor {
      * 插件实例类
      */
     JavaPlugin plugin = P.instance;
+    /**
+     * 默认命令
+     */
+    CommandInfo defCmd = null;
     /**
      * 命令列表
      */
@@ -91,6 +95,9 @@ public class CommandManager implements TabExecutor {
     @Override
     public boolean onCommand(final CommandSender sender, final Command command, final String label, final String[] args) {
         if (args.length == 0) {
+            if (defCmd != null) {
+                return defCmd.execute(new CommandArgument(sender, command, label, args));
+            }
             help.send(sender, command, label, args);
             return true;
         }
@@ -229,6 +236,10 @@ public class CommandManager implements TabExecutor {
         if (ci != null) {
             final Class<?>[] params = method.getParameterTypes();
             if (params.length == 1 && params[0].equals(CommandArgument.class)) {
+                if (method.getReturnType() == boolean.class) {
+                    defCmd = ci;
+                    return true;
+                }
                 cmds.add(ci);
                 cmdCache.put(ci.getName(), ci);
                 return true;