From 429ad592843d3aa415608cb17d1a7f5116152852 Mon Sep 17 00:00:00 2001
From: Mark Baker <mark@lange.demon.co.uk>
Date: Wed, 27 Feb 2013 17:54:45 +0000
Subject: [PATCH] Method for moving cells in the cell cache without needing to
 access the cell itself

TODO Sqlite cell cache needs equivalent method for updating cache database rather than simply the indexed cache array
---
 .../CachedObjectStorage/CacheBase.php         | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Classes/PHPExcel/CachedObjectStorage/CacheBase.php b/Classes/PHPExcel/CachedObjectStorage/CacheBase.php
index 0651b4a..b6cf4be 100644
--- a/Classes/PHPExcel/CachedObjectStorage/CacheBase.php
+++ b/Classes/PHPExcel/CachedObjectStorage/CacheBase.php
@@ -106,6 +106,26 @@ abstract class PHPExcel_CachedObjectStorage_CacheBase {
 	}	//	function isDataSet()
 
 
+	/**
+	 * Move a cell object from one address to another
+	 *
+	 * @param	string		$fromAddress	Current address of the cell to move
+	 * @param	string		$toAddress		Destination address of the cell to move
+	 * @return	boolean
+	 */
+	public function moveCell($fromAddress, $toAddress) {
+		if ($fromAddress === $this->_currentObjectID) {
+			$this->_currentObjectID = $toAddress;
+		}
+		if (isset($this->_cellCache[$fromAddress])) {
+			$this->_cellCache[$toAddress] = &$this->_cellCache[$fromAddress];
+			unset($this->_cellCache[$fromAddress]);
+		}
+
+		return TRUE;
+	}	//	function isDataSet()
+
+
     /**
      * Add or Update a cell in cache
      *