From 1859e92e864e87bc2569b567a4fbb84cc7d9cf91 Mon Sep 17 00:00:00 2001
From: joyqi <magike.net@gmail.com>
Date: Thu, 9 Jan 2014 00:56:51 +0800
Subject: [PATCH] fix #152
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增加了插件优先级定义的支持，多个插件之间可以自行约定执行顺序，范例

Typecho_Plugin::factory('admin/menu.php')->navBar_1000 = array('HelloWorld_Plugin', 'render');

这个插件的执行优先级就是1000，默认的执行顺序是10，越大的数字越靠后执行
---
 var/Typecho/Plugin.php | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/var/Typecho/Plugin.php b/var/Typecho/Plugin.php
index ace69ed7..ffded801 100644
--- a/var/Typecho/Plugin.php
+++ b/var/Typecho/Plugin.php
@@ -421,9 +421,38 @@ class Typecho_Plugin
      */
     public function __set($component, $value)
     {
+        $weight = 0;
+
+        if (strpos($component, '_') > 0) {
+            $parts = explode('_', $component, 2);
+            list($component, $weight) = $parts;
+            $weight = intval($weight) - 10;
+        }
+        
         $component = $this->_handle . ':' . $component;
-        self::$_plugins['handles'][$component][] = $value;
+
+        if (!isset(self::$_plugins['handles'][$component])) {
+            self::$_plugins['handles'][$component] = array();
+        }
+
+        if (!isset(self::$_tmp['handles'][$component])) {
+            self::$_tmp['handles'][$component] = array();
+        }
+
+        foreach (self::$_plugins['handles'][$component] as $key => $val) {
+            $key = floatval($key);
+
+            if ($weight > $key) {
+                break;
+            } else if ($weight == $key) {
+                $weight += 0.001;
+            }
+        }
+
+        self::$_plugins['handles'][$component][strval($weight)] = $value;
         self::$_tmp['handles'][$component][] = $value;
+
+        ksort(self::$_plugins['handles'][$component], SORT_NUMERIC);
     }
 
     /**