From bac6cd00ecbe7c28dc74ac57c6305849ae4daf01 Mon Sep 17 00:00:00 2001
From: Ingo Schommer <ingo@silverstripe.com>
Date: Thu, 8 Jan 2009 03:29:28 +0000
Subject: [PATCH] ENHANCEMENT Added DataObjectSet->replace()

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.3@69888 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/DataObjectSet.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/core/model/DataObjectSet.php b/core/model/DataObjectSet.php
index 81dce01ea..284528e88 100644
--- a/core/model/DataObjectSet.php
+++ b/core/model/DataObjectSet.php
@@ -457,6 +457,21 @@ class DataObjectSet extends ViewableData implements IteratorAggregate {
 		}
 	}
 	
+	/**
+	 * Replaces $itemOld with $itemNew
+	 *
+	 * @param DataObject $itemOld
+	 * @param DataObject $itemNew
+	 */	
+	public function replace($itemOld, $itemNew) {
+		foreach($this->items as $key => $item) {
+			if($item === $itemOld) {
+				$this->items[$key] = $itemNew;
+				return;
+			}
+		}
+	}
+	
 	/**
 	 * Merge another set onto the end of this set.
 	 * @param DataObjectSet $anotherSet Set to mege onto this set.