From 070c4e581f6ae26e4ad857ec0df58de00c81ed93 Mon Sep 17 00:00:00 2001
From: jonathan_byrne <jonathan_byrne@c91229c3-7414-0410-bfa2-8a42b809f60b>
Date: Thu, 28 Feb 2008 08:38:42 +0000
Subject: [PATCH] KTS-3088 "Linking a document to itself does not create a link."

---
 plugins/ktstandard/KTDocumentLinks.php | 12 ++++++++++++
 1 file changed, 12 insertions(+), 0 deletions(-)

diff --git a/plugins/ktstandard/KTDocumentLinks.php b/plugins/ktstandard/KTDocumentLinks.php
index b92f7c6..6486475 100644
--- a/plugins/ktstandard/KTDocumentLinks.php
+++ b/plugins/ktstandard/KTDocumentLinks.php
@@ -288,6 +288,18 @@ class KTDocumentLinkAction extends KTDocumentAction {
 
     // select a type for the link
     function do_type_select() {
+        
+        //Checking to see if the document is being linked to itself and returning an error if it is.
+        $iTempParentDocId = $_REQUEST['fDocumentId'];
+        $aTempDocuments = $_REQUEST['linkselection'];
+        foreach ($aTempDocuments as $iTempDocId)
+        {
+	        if($iTempParentDocId == $iTempDocId)
+	        {
+	        	$this->errorRedirectToMain(_kt('A document cannot be linked to itself.'));
+	        }
+        }
+        
         $this->oPage->setBreadcrumbDetails(_kt("link"));
 
         $sType = (isset($_REQUEST['linktype'])) ? $_REQUEST['linktype'] : 'internal';
--
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