From d777d0283d35af6eda09ae131ed08042e97d5688 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Sun, 17 Aug 2014 18:15:44 +0100
Subject: [PATCH] Support for cell readorder Context/LTR/RTL

---
 Classes/PHPExcel/Reader/Excel2007.php       |  1 +
 Classes/PHPExcel/Style/Alignment.php        | 91 ++++++++++++++++-----
 Classes/PHPExcel/Writer/Excel2007/Style.php |  3 +
 3 files changed, 73 insertions(+), 22 deletions(-)

diff --git a/Classes/PHPExcel/Reader/Excel2007.php b/Classes/PHPExcel/Reader/Excel2007.php
index d5c947ee..afe3b5c8 100644
--- a/Classes/PHPExcel/Reader/Excel2007.php
+++ b/Classes/PHPExcel/Reader/Excel2007.php
@@ -1893,6 +1893,7 @@ class PHPExcel_Reader_Excel2007 extends PHPExcel_Reader_Abstract implements PHPE
 			$docStyle->getAlignment()->setWrapText(self::boolean((string) $style->alignment["wrapText"]));
 			$docStyle->getAlignment()->setShrinkToFit(self::boolean((string) $style->alignment["shrinkToFit"]));
 			$docStyle->getAlignment()->setIndent( intval((string)$style->alignment["indent"]) > 0 ? intval((string)$style->alignment["indent"]) : 0 );
+			$docStyle->getAlignment()->setReadorder( intval((string)$style->alignment["readingOrder"]) > 0 ? intval((string)$style->alignment["readingOrder"]) : 0 );
 		}
 
 		// protection
diff --git a/Classes/PHPExcel/Style/Alignment.php b/Classes/PHPExcel/Style/Alignment.php
index 7577da53..00825deb 100644
--- a/Classes/PHPExcel/Style/Alignment.php
+++ b/Classes/PHPExcel/Style/Alignment.php
@@ -36,49 +36,54 @@
 class PHPExcel_Style_Alignment extends PHPExcel_Style_Supervisor implements PHPExcel_IComparable
 {
 	/* Horizontal alignment styles */
-	const HORIZONTAL_GENERAL				= 'general';
-	const HORIZONTAL_LEFT					= 'left';
-	const HORIZONTAL_RIGHT					= 'right';
-	const HORIZONTAL_CENTER					= 'center';
-	const HORIZONTAL_CENTER_CONTINUOUS		= 'centerContinuous';
-	const HORIZONTAL_JUSTIFY				= 'justify';
-	const HORIZONTAL_FILL				    = 'fill';
-	const HORIZONTAL_DISTRIBUTED		    = 'distributed';        // Excel2007 only
+	const HORIZONTAL_GENERAL			= 'general';
+	const HORIZONTAL_LEFT				= 'left';
+	const HORIZONTAL_RIGHT				= 'right';
+	const HORIZONTAL_CENTER				= 'center';
+	const HORIZONTAL_CENTER_CONTINUOUS	= 'centerContinuous';
+	const HORIZONTAL_JUSTIFY			= 'justify';
+	const HORIZONTAL_FILL				= 'fill';
+	const HORIZONTAL_DISTRIBUTED		= 'distributed';        // Excel2007 only
 
 	/* Vertical alignment styles */
-	const VERTICAL_BOTTOM					= 'bottom';
-	const VERTICAL_TOP						= 'top';
-	const VERTICAL_CENTER					= 'center';
-	const VERTICAL_JUSTIFY					= 'justify';
-	const VERTICAL_DISTRIBUTED		        = 'distributed';        // Excel2007 only
+	const VERTICAL_BOTTOM				= 'bottom';
+	const VERTICAL_TOP					= 'top';
+	const VERTICAL_CENTER				= 'center';
+	const VERTICAL_JUSTIFY				= 'justify';
+	const VERTICAL_DISTRIBUTED		    = 'distributed';        // Excel2007 only
+
+	/* Read order */
+	const READORDER_CONTEXT				= 0;
+	const READORDER_LTR	    			= 1;
+	const READORDER_RTL  				= 2;
 
 	/**
-	 * Horizontal
+	 * Horizontal alignment
 	 *
 	 * @var string
 	 */
-	protected $_horizontal	= PHPExcel_Style_Alignment::HORIZONTAL_GENERAL;
+	protected $_horizontal = PHPExcel_Style_Alignment::HORIZONTAL_GENERAL;
 
 	/**
-	 * Vertical
+	 * Vertical alignment
 	 *
 	 * @var string
 	 */
-	protected $_vertical		= PHPExcel_Style_Alignment::VERTICAL_BOTTOM;
+	protected $_vertical = PHPExcel_Style_Alignment::VERTICAL_BOTTOM;
 
 	/**
 	 * Text rotation
 	 *
-	 * @var int
+	 * @var integer
 	 */
-	protected $_textRotation	= 0;
+	protected $_textRotation = 0;
 
 	/**
 	 * Wrap text
 	 *
 	 * @var boolean
 	 */
-	protected $_wrapText		= FALSE;
+	protected $_wrapText = FALSE;
 
 	/**
 	 * Shrink to fit
@@ -90,9 +95,16 @@ class PHPExcel_Style_Alignment extends PHPExcel_Style_Supervisor implements PHPE
 	/**
 	 * Indent - only possible with horizontal alignment left and right
 	 *
-	 * @var int
+	 * @var integer
 	 */
-	protected $_indent		= 0;
+	protected $_indent = 0;
+
+	/**
+	 * Read order
+	 *
+	 * @var integer
+	 */
+	protected $_readorder = 0;
 
 	/**
 	 * Create a new PHPExcel_Style_Alignment
@@ -180,6 +192,9 @@ class PHPExcel_Style_Alignment extends PHPExcel_Style_Supervisor implements PHPE
 				if (isset($pStyles['indent'])) {
 					$this->setIndent($pStyles['indent']);
 				}
+				if (isset($pStyles['readorder'])) {
+					$this->setReadorder($pStyles['readorder']);
+				}
 			}
 		} else {
 			throw new PHPExcel_Exception("Invalid style array passed.");
@@ -389,6 +404,37 @@ class PHPExcel_Style_Alignment extends PHPExcel_Style_Supervisor implements PHPE
 		return $this;
 	}
 
+	/**
+	 * Get read order
+	 *
+	 * @return integer
+	 */
+	public function getReadorder() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getReadorder();
+		}
+		return $this->_readorder;
+	}
+
+	/**
+	 * Set read order
+	 *
+	 * @param int $pValue
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setReadorder($pValue = 0) {
+		if ($pValue < 0 || $pValue > 2) {
+            $pValue = 0;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('readorder' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_readorder = $pValue;
+		}
+		return $this;
+	}
+
 	/**
 	 * Get hash code
 	 *
@@ -405,6 +451,7 @@ class PHPExcel_Style_Alignment extends PHPExcel_Style_Supervisor implements PHPE
 			. ($this->_wrapText ? 't' : 'f')
 			. ($this->_shrinkToFit ? 't' : 'f')
 			. $this->_indent
+			. $this->_readorder
 			. __CLASS__
 		);
 	}
diff --git a/Classes/PHPExcel/Writer/Excel2007/Style.php b/Classes/PHPExcel/Writer/Excel2007/Style.php
index 9857043b..d38c6eac 100644
--- a/Classes/PHPExcel/Writer/Excel2007/Style.php
+++ b/Classes/PHPExcel/Writer/Excel2007/Style.php
@@ -439,6 +439,9 @@ class PHPExcel_Writer_Excel2007_Style extends PHPExcel_Writer_Excel2007_WriterPa
 				if ($pStyle->getAlignment()->getIndent() > 0) {
 					$objWriter->writeAttribute('indent', 	$pStyle->getAlignment()->getIndent());
 				}
+				if ($pStyle->getAlignment()->getReadorder() > 0) {
+					$objWriter->writeAttribute('readingOrder', 	$pStyle->getAlignment()->getReadorder());
+				}
 			$objWriter->endElement();
 
 			// protection