From 5bf2832cbf8dad673a58636100b9a91ec8a688f5 Mon Sep 17 00:00:00 2001
From: hickert <hickert@594d385d-05f5-0310-b6e9-bd551577e9d8>
Date: Wed, 26 May 2010 08:15:34 +0000
Subject: [PATCH] Added a chek to prevent instantiation of broken tabs

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@18745 594d385d-05f5-0310-b6e9-bd551577e9d8
---
 gosa-core/include/class_management.inc | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/gosa-core/include/class_management.inc b/gosa-core/include/class_management.inc
index 66bdc4cf2..837688dc5 100644
--- a/gosa-core/include/class_management.inc
+++ b/gosa-core/include/class_management.inc
@@ -698,11 +698,21 @@ class management
       if(empty($tabClass) || empty($tabType)){
         trigger_error("We can't edit any object(s). 'tabClass' or 'tabType' is empty!");
       }else{
+
         $tab = $tabClass;
-        $this->tabObject= new $tab($this->config,$this->config->data['TABS'][$tabType], $this->dn,$aclCategory);
-        @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__,$this->dn,"Edit entry initiated!");
-        $this->tabObject->set_acl_base($this->dn);
-        $this->tabObject->parent = &$this;
+        
+        // Check if the base plugin is available - it is mostly responsible for object creation and removal.
+        $first  = $this->config->data['TABS'][$tabType][0];
+        if(!class_available($first['CLASS'])){
+            msg_dialog::display(_("Internal error"), 
+                    sprintf(_("Cannot instantiate tabbed-plugin, the base plugin (%s) is not available!"), $first['CLASS']), 
+                    ERROR_DIALOG);
+        }else{
+            $this->tabObject= new $tab($this->config,$this->config->data['TABS'][$tabType], $this->dn,$aclCategory);
+            @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__,$this->dn,"Edit entry initiated!");
+            $this->tabObject->set_acl_base($this->dn);
+            $this->tabObject->parent = &$this;
+        }
       }
     }else{
 
-- 
2.30.2