From 378ce82006ad9cedcc2d14ff4d5694d81fce9bfc Mon Sep 17 00:00:00 2001
From: Andrey Kutejko <andy128k@gmail.com>
Date: Sun, 29 Dec 2013 17:53:10 +0200
Subject: [PATCH] admin model registration hooks

---
 ipf/admin/model.php | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/ipf/admin/model.php b/ipf/admin/model.php
index d39f992..7b76a94 100644
--- a/ipf/admin/model.php
+++ b/ipf/admin/model.php
@@ -346,27 +346,42 @@ class DateHierarchyListFilter extends BaseListFilter {
 class IPF_Admin_Model
 {
     static $models = array();
+    static $handlers = array();
 
     public static function register($classModel, $classAdmin)
     {
-        IPF_Admin_Model::$models[$classModel] = new $classAdmin($classModel);
+        $ma = new $classAdmin($classModel);
+        self::$models[$classModel] = $ma;
+        foreach (ArrayTools::get(self::$handlers, $classModel, array()) as $action) {
+            call_user_func($action, $ma);
+        }
+        unset(self::$handlers[$classModel]);
     }
 
     public static function isModelRegister($classModel)
     {
-        return array_key_exists($classModel, IPF_Admin_Model::$models);
+        return array_key_exists($classModel, self::$models);
     }
 
     public static function getModelAdmin($classModel)
     {
-        if (array_key_exists($classModel, IPF_Admin_Model::$models)) {
-            $ma = IPF_Admin_Model::$models[$classModel];
+        if (array_key_exists($classModel, self::$models)) {
+            $ma = self::$models[$classModel];
             $ma->setUp();
             return $ma;
         }
         return null;
     }
 
+    public static function on($classModel, $action)
+    {
+        if (array_key_exists($classModel, self::$models)) {
+            call_user_func($action, self::$models[$classModel]);
+        } else {
+            ArrayTools::pushToKey(self::$handlers, $classModel, $action);
+        }
+    }
+
     var $modelName = null;
     var $model = null;
     var $inlineInstances = array();
-- 
2.49.0