<?php

/**

 * PHPExcel

 *

 * Copyright (c) 2006 - 2014 PHPExcel

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 * @category   PHPExcel

 * @package    PHPExcel_Writer_Excel5

 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL

 * @version    1.8.0, 2014-03-02

 */



// Original file header of PEAR::Spreadsheet_Excel_Writer_Worksheet (used as the base for this class):

// -----------------------------------------------------------------------------------------

// /*

// *  Module written/ported by Xavier Noguer <xnoguer@rezebra.com>

// *

// *  The majority of this is _NOT_ my code.  I simply ported it from the

// *  PERL Spreadsheet::WriteExcel module.

// *

// *  The author of the Spreadsheet::WriteExcel module is John McNamara

// *  <jmcnamara@cpan.org>

// *

// *  I _DO_ maintain this code, and John McNamara has nothing to do with the

// *  porting of this code to PHP.  Any questions directly related to this

// *  class library should be directed to me.

// *

// *  License Information:

// *

// *    Spreadsheet_Excel_Writer:  A library for generating Excel Spreadsheets

// *    Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com

// *

// *    This library is free software; you can redistribute it and/or

// *    modify it under the terms of the GNU Lesser General Public

// *    License as published by the Free Software Foundation; either

// *    version 2.1 of the License, or (at your option) any later version.

// *

// *    This library is distributed in the hope that it will be useful,

// *    but WITHOUT ANY WARRANTY; without even the implied warranty of

// *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

// *    Lesser General Public License for more details.

// *

// *    You should have received a copy of the GNU Lesser General Public

// *    License along with this library; if not, write to the Free Software

// *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

// */





/**

 * PHPExcel_Writer_Excel5_Worksheet

 *

 * @category   PHPExcel

 * @package    PHPExcel_Writer_Excel5

 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 */

class PHPExcel_Writer_Excel5_Worksheet extends PHPExcel_Writer_Excel5_BIFFwriter

{

	/**

	 * Formula parser

	 *

	 * @var PHPExcel_Writer_Excel5_Parser

	 */

	private $_parser;



	/**

	 * Maximum number of characters for a string (LABEL record in BIFF5)

	 * @var integer

	 */

	public $_xls_strmax;



	/**

	 * Array containing format information for columns

	 * @var array

	 */

	public $_colinfo;



	/**

	 * Array containing the selected area for the worksheet

	 * @var array

	 */

	public $_selection;



	/**

	 * The active pane for the worksheet

	 * @var integer

	 */

	public $_active_pane;



	/**

	 * Whether to use outline.

	 * @var integer

	 */

	public $_outline_on;



	/**

	 * Auto outline styles.

	 * @var bool

	 */

	public $_outline_style;



	/**

	 * Whether to have outline summary below.

	 * @var bool

	 */

	public $_outline_below;



	/**

	 * Whether to have outline summary at the right.

	 * @var bool

	 */

	public $_outline_right;



	/**

	 * Reference to the total number of strings in the workbook

	 * @var integer

	 */

	public $_str_total;



	/**

	 * Reference to the number of unique strings in the workbook

	 * @var integer

	 */

	public $_str_unique;



	/**

	 * Reference to the array containing all the unique strings in the workbook

	 * @var array

	 */

	public $_str_table;



	/**

	 * Color cache

	 */

	private $_colors;



	/**

	 * Index of first used row (at least 0)

	 * @var int

	 */

	private $_firstRowIndex;



	/**

	 * Index of last used row. (no used rows means -1)

	 * @var int

	 */

	private $_lastRowIndex;



	/**

	 * Index of first used column (at least 0)

	 * @var int

	 */

	private $_firstColumnIndex;



	/**

	 * Index of last used column (no used columns means -1)

	 * @var int

	 */

	private $_lastColumnIndex;



	/**

	 * Sheet object

	 * @var PHPExcel_Worksheet

	 */

	public $_phpSheet;



	/**

	 * Count cell style Xfs

	 *

	 * @var int

	 */

	private $_countCellStyleXfs;



	/**

	 * Escher object corresponding to MSODRAWING

	 *

	 * @var PHPExcel_Shared_Escher

	 */

	private $_escher;



	/**

	 * Array of font hashes associated to FONT records index

	 *

	 * @var array

	 */

	public $_fntHashIndex;



	/**

	 * Constructor

	 *

	 * @param int		&$str_total		Total number of strings

	 * @param int		&$str_unique	Total number of unique strings

	 * @param array		&$str_table		String Table

	 * @param array		&$colors		Colour Table

	 * @param mixed		$parser			The formula parser created for the Workbook

	 * @param boolean	$preCalculateFormulas	Flag indicating whether formulas should be calculated or just written

	 * @param string	$phpSheet		The worksheet to write

	 * @param PHPExcel_Worksheet $phpSheet

	 */

	public function __construct(&$str_total, &$str_unique, &$str_table, &$colors,

								$parser, $preCalculateFormulas, $phpSheet)

	{

		// It needs to call its parent's constructor explicitly

		parent::__construct();



		// change BIFFwriter limit for CONTINUE records

//		$this->_limit = 8224;





		$this->_preCalculateFormulas = $preCalculateFormulas;

		$this->_str_total		= &$str_total;

		$this->_str_unique		= &$str_unique;

		$this->_str_table		= &$str_table;

		$this->_colors			= &$colors;

		$this->_parser			= $parser;



		$this->_phpSheet = $phpSheet;



		//$this->ext_sheets		= array();

		//$this->offset			= 0;

		$this->_xls_strmax		= 255;

		$this->_colinfo			= array();

		$this->_selection		= array(0,0,0,0);

		$this->_active_pane		= 3;



		$this->_print_headers		= 0;



		$this->_outline_style		= 0;

		$this->_outline_below		= 1;

		$this->_outline_right		= 1;

		$this->_outline_on			= 1;



		$this->_fntHashIndex	= array();



		// calculate values for DIMENSIONS record

		$minR = 1;

		$minC = 'A';



		$maxR  = $this->_phpSheet->getHighestRow();

		$maxC = $this->_phpSheet->getHighestColumn();



		// Determine lowest and highest column and row

//		$this->_firstRowIndex = ($minR > 65535) ? 65535 : $minR;

		$this->_lastRowIndex = ($maxR > 65535) ? 65535 : $maxR ;



		$this->_firstColumnIndex	= PHPExcel_Cell::columnIndexFromString($minC);

		$this->_lastColumnIndex		= PHPExcel_Cell::columnIndexFromString($maxC);



//		if ($this->_firstColumnIndex > 255) $this->_firstColumnIndex = 255;

		if ($this->_lastColumnIndex > 255) $this->_lastColumnIndex = 255;



		$this->_countCellStyleXfs = count($phpSheet->getParent()->getCellStyleXfCollection());

	}



	/**

	 * Add data to the beginning of the workbook (note the reverse order)

	 * and to the end of the workbook.

	 *

	 * @access public

	 * @see PHPExcel_Writer_Excel5_Workbook::storeWorkbook()

	 */

	function close()

	{

		$_phpSheet = $this->_phpSheet;



		$num_sheets = $_phpSheet->getParent()->getSheetCount();



		// Write BOF record

		$this->_storeBof(0x0010);



		// Write PRINTHEADERS

		$this->_writePrintHeaders();



		// Write PRINTGRIDLINES

		$this->_writePrintGridlines();



		// Write GRIDSET

		$this->_writeGridset();



		// Calculate column widths

		$_phpSheet->calculateColumnWidths();



		// Column dimensions

		if (($defaultWidth = $_phpSheet->getDefaultColumnDimension()->getWidth()) < 0) {

			$defaultWidth = PHPExcel_Shared_Font::getDefaultColumnWidthByFont($_phpSheet->getParent()->getDefaultStyle()->getFont());

		}



		$columnDimensions = $_phpSheet->getColumnDimensions();

		$maxCol = $this->_lastColumnIndex -1;

		for ($i = 0; $i <= $maxCol; ++$i) {

			$hidden = 0;

			$level = 0;

			$xfIndex = 15; // there are 15 cell style Xfs



			$width = $defaultWidth;



			$columnLetter = PHPExcel_Cell::stringFromColumnIndex($i);

			if (isset($columnDimensions[$columnLetter])) {

				$columnDimension = $columnDimensions[$columnLetter];

				if ($columnDimension->getWidth() >= 0) {

					$width = $columnDimension->getWidth();

				}

				$hidden = $columnDimension->getVisible() ? 0 : 1;

				$level = $columnDimension->getOutlineLevel();

				$xfIndex = $columnDimension->getXfIndex() + 15; // there are 15 cell style Xfs

			}



			// Components of _colinfo:

			// $firstcol first column on the range

			// $lastcol  last column on the range

			// $width	width to set

			// $xfIndex  The optional cell style Xf index to apply to the columns

			// $hidden   The optional hidden atribute

			// $level	The optional outline level

			$this->_colinfo[] = array($i, $i, $width, $xfIndex, $hidden, $level);

		}



		// Write GUTS

		$this->_writeGuts();



		// Write DEFAULTROWHEIGHT

		$this->_writeDefaultRowHeight();



		// Write WSBOOL

		$this->_writeWsbool();



		// Write horizontal and vertical page breaks

		$this->_writeBreaks();



		// Write page header

		$this->_writeHeader();



		// Write page footer

		$this->_writeFooter();



		// Write page horizontal centering

		$this->_writeHcenter();



		// Write page vertical centering

		$this->_writeVcenter();



		// Write left margin

		$this->_writeMarginLeft();



		// Write right margin

		$this->_writeMarginRight();



		// Write top margin

		$this->_writeMarginTop();



		// Write bottom margin

		$this->_writeMarginBottom();



		// Write page setup

		$this->_writeSetup();



		// Write sheet protection

		$this->_writeProtect();



		// Write SCENPROTECT

		$this->_writeScenProtect();



		// Write OBJECTPROTECT

		$this->_writeObjectProtect();



		// Write sheet password

		$this->_writePassword();



		// Write DEFCOLWIDTH record

		$this->_writeDefcol();



		// Write the COLINFO records if they exist

		if (!empty($this->_colinfo)) {

			$colcount = count($this->_colinfo);

			for ($i = 0; $i < $colcount; ++$i) {

				$this->_writeColinfo($this->_colinfo[$i]);

			}

		}

		$autoFilterRange = $_phpSheet->getAutoFilter()->getRange();

		if (!empty($autoFilterRange)) {

			// Write AUTOFILTERINFO

			$this->_writeAutoFilterInfo();

		}



		// Write sheet dimensions

		$this->_writeDimensions();



		// Row dimensions

		foreach ($_phpSheet->getRowDimensions() as $rowDimension) {

			$xfIndex = $rowDimension->getXfIndex() + 15; // there are 15 cellXfs

			$this->_writeRow( $rowDimension->getRowIndex() - 1, $rowDimension->getRowHeight(), $xfIndex, ($rowDimension->getVisible() ? '0' : '1'), $rowDimension->getOutlineLevel() );

		}



		// Write Cells

		foreach ($_phpSheet->getCellCollection() as $cellID) {

			$cell = $_phpSheet->getCell($cellID);

			$row = $cell->getRow() - 1;

			$column = PHPExcel_Cell::columnIndexFromString($cell->getColumn()) - 1;



			// Don't break Excel!

//			if ($row + 1 > 65536 or $column + 1 > 256) {

			if ($row > 65535 || $column > 255) {

				break;

			}



			// Write cell value

			$xfIndex = $cell->getXfIndex() + 15; // there are 15 cell style Xfs



			$cVal = $cell->getValue();

			if ($cVal instanceof PHPExcel_RichText) {

				// $this->_writeString($row, $column, $cVal->getPlainText(), $xfIndex);

				$arrcRun = array();

				$str_len = PHPExcel_Shared_String::CountCharacters($cVal->getPlainText(), 'UTF-8');

				$str_pos = 0;

				$elements = $cVal->getRichTextElements();

				foreach ($elements as $element) {

					// FONT Index

					if ($element instanceof PHPExcel_RichText_Run) {

						$str_fontidx = $this->_fntHashIndex[$element->getFont()->getHashCode()];

					}

					else {

						$str_fontidx = 0;

					}

					$arrcRun[] = array('strlen' => $str_pos, 'fontidx' => $str_fontidx);

					// Position FROM

					$str_pos += PHPExcel_Shared_String::CountCharacters($element->getText(), 'UTF-8');

				}

				$this->_writeRichTextString($row, $column, $cVal->getPlainText(), $xfIndex, $arrcRun);

			} else {

				switch ($cell->getDatatype()) {

					case PHPExcel_Cell_DataType::TYPE_STRING:

					case PHPExcel_Cell_DataType::TYPE_NULL:

						if ($cVal === '' || $cVal === null) {

							$this->_writeBlank($row, $column, $xfIndex);

						} else {

							$this->_writeString($row, $column, $cVal, $xfIndex);

						}

						break;



					case PHPExcel_Cell_DataType::TYPE_NUMERIC:

						$this->_writeNumber($row, $column, $cVal, $xfIndex);

						break;



					case PHPExcel_Cell_DataType::TYPE_FORMULA:

						$calculatedValue = $this->_preCalculateFormulas ?

							$cell->getCalculatedValue() : null;

						$this->_writeFormula($row, $column, $cVal, $xfIndex, $calculatedValue);

						break;



					case PHPExcel_Cell_DataType::TYPE_BOOL:

						$this->_writeBoolErr($row, $column, $cVal, 0, $xfIndex);

						break;



					case PHPExcel_Cell_DataType::TYPE_ERROR:

						$this->_writeBoolErr($row, $column, self::_mapErrorCode($cVal), 1, $xfIndex);

						break;



				}

			}

		}



		// Append

		$this->_writeMsoDrawing();



		// Write WINDOW2 record

		$this->_writeWindow2();



		// Write PLV record

		$this->_writePageLayoutView();



		// Write ZOOM record

		$this->_writeZoom();

		if ($_phpSheet->getFreezePane()) {

			$this->_writePanes();

		}



		// Write SELECTION record

		$this->_writeSelection();



		// Write MergedCellsTable Record

		$this->_writeMergedCells();



		// Hyperlinks

		foreach ($_phpSheet->getHyperLinkCollection() as $coordinate => $hyperlink) {

			list($column, $row) = PHPExcel_Cell::coordinateFromString($coordinate);



			$url = $hyperlink->getUrl();



			if ( strpos($url, 'sheet://') !== false ) {

				// internal to current workbook

				$url = str_replace('sheet://', 'internal:', $url);



			} else if ( preg_match('/^(http:|https:|ftp:|mailto:)/', $url) ) {

				// URL

				// $url = $url;



			} else {

				// external (local file)

				$url = 'external:' . $url;

			}



			$this->_writeUrl($row - 1, PHPExcel_Cell::columnIndexFromString($column) - 1, $url);

		}



		$this->_writeDataValidity();

		$this->_writeSheetLayout();



		// Write SHEETPROTECTION record

		$this->_writeSheetProtection();

		$this->_writeRangeProtection();



		$arrConditionalStyles = $_phpSheet->getConditionalStylesCollection();

		if(!empty($arrConditionalStyles)){

			$arrConditional = array();

			// @todo CFRule & CFHeader

			// Write CFHEADER record

			$this->_writeCFHeader();

			// Write ConditionalFormattingTable records

			foreach ($arrConditionalStyles as $cellCoordinate => $conditionalStyles) {

				foreach ($conditionalStyles as $conditional) {

					if($conditional->getConditionType() == PHPExcel_Style_Conditional::CONDITION_EXPRESSION

						|| $conditional->getConditionType() == PHPExcel_Style_Conditional::CONDITION_CELLIS){

						if(!in_array($conditional->getHashCode(), $arrConditional)){

							$arrConditional[] = $conditional->getHashCode();

							// Write CFRULE record

							$this->_writeCFRule($conditional);

						}

					}

				}

			}

		}



		$this->_storeEof();

	}



	/**

	 * Write a cell range address in BIFF8

	 * always fixed range

	 * See section 2.5.14 in OpenOffice.org's Documentation of the Microsoft Excel File Format

	 *

	 * @param string $range E.g. 'A1' or 'A1:B6'

	 * @return string Binary data

	 */

	private function _writeBIFF8CellRangeAddressFixed($range = 'A1')

	{

		$explodes = explode(':', $range);



		// extract first cell, e.g. 'A1'

		$firstCell = $explodes[0];



		// extract last cell, e.g. 'B6'

		if (count($explodes) == 1) {

			$lastCell = $firstCell;

		} else {

			$lastCell = $explodes[1];

		}



		$firstCellCoordinates = PHPExcel_Cell::coordinateFromString($firstCell); // e.g. array(0, 1)

		$lastCellCoordinates  = PHPExcel_Cell::coordinateFromString($lastCell);  // e.g. array(1, 6)



		return(pack('vvvv',

			$firstCellCoordinates[1] - 1,

			$lastCellCoordinates[1] - 1,

			PHPExcel_Cell::columnIndexFromString($firstCellCoordinates[0]) - 1,

			PHPExcel_Cell::columnIndexFromString($lastCellCoordinates[0]) - 1

		));

	}



	/**

	 * Retrieves data from memory in one chunk, or from disk in $buffer

	 * sized chunks.

	 *

	 * @return string The data

	 */

	function getData()

	{

		$buffer = 4096;



		// Return data stored in memory

		if (isset($this->_data)) {

			$tmp   = $this->_data;

			unset($this->_data);

			return $tmp;

		}

		// No data to return

		return false;

	}



	/**

	 * Set the option to print the row and column headers on the printed page.

	 *

	 * @access public

	 * @param integer $print Whether to print the headers or not. Defaults to 1 (print).

	 */

	function printRowColHeaders($print = 1)

	{

		$this->_print_headers = $print;

	}



	/**

	 * This method sets the properties for outlining and grouping. The defaults

	 * correspond to Excel's defaults.

	 *

	 * @param bool $visible

	 * @param bool $symbols_below

	 * @param bool $symbols_right

	 * @param bool $auto_style

	 */

	function setOutline($visible = true, $symbols_below = true, $symbols_right = true, $auto_style = false)

	{

		$this->_outline_on	= $visible;

		$this->_outline_below = $symbols_below;

		$this->_outline_right = $symbols_right;

		$this->_outline_style = $auto_style;



		// Ensure this is a boolean vale for Window2

		if ($this->_outline_on) {

			$this->_outline_on = 1;

		}

	 }



	/**

	 * Write a double to the specified row and column (zero indexed).

	 * An integer can be written as a double. Excel will display an

	 * integer. $format is optional.

	 *

	 * Returns  0 : normal termination

	 *		 -2 : row or column out of range

	 *

	 * @param integer $row	Zero indexed row

	 * @param integer $col	Zero indexed column

	 * @param float   $num	The number to write

	 * @param mixed   $xfIndex The optional XF format

	 * @return integer

	 */

	private function _writeNumber($row, $col, $num, $xfIndex)

	{

		$record	= 0x0203;				 // Record identifier

		$length	= 0x000E;				 // Number of bytes to follow



		$header		= pack("vv",  $record, $length);

		$data		= pack("vvv", $row, $col, $xfIndex);

		$xl_double	= pack("d",   $num);

		if (self::getByteOrder()) { // if it's Big Endian

			$xl_double = strrev($xl_double);

		}



		$this->_append($header.$data.$xl_double);

		return(0);

	}



	/**

	 * Write a LABELSST record or a LABEL record. Which one depends on BIFF version

	 *

	 * @param int $row Row index (0-based)

	 * @param int $col Column index (0-based)

	 * @param string $str The string

	 * @param int $xfIndex Index to XF record

	 */

	private function _writeString($row, $col, $str, $xfIndex)

	{

		$this->_writeLabelSst($row, $col, $str, $xfIndex);

	}



	/**

	 * Write a LABELSST record or a LABEL record. Which one depends on BIFF version

	 * It differs from _writeString by the writing of rich text strings.

	 * @param int $row Row index (0-based)

	 * @param int $col Column index (0-based)

	 * @param string $str The string

	 * @param mixed   $xfIndex The XF format index for the cell

	 * @param array $arrcRun Index to Font record and characters beginning

	 */

	private function _writeRichTextString($row, $col, $str, $xfIndex, $arrcRun){

		$record	= 0x00FD;				   // Record identifier

		$length	= 0x000A;				   // Bytes to follow

		$str = PHPExcel_Shared_String::UTF8toBIFF8UnicodeShort($str, $arrcRun);



		/* check if string is already present */

		if (!isset($this->_str_table[$str])) {

			$this->_str_table[$str] = $this->_str_unique++;

		}

		$this->_str_total++;



		$header	= pack('vv',   $record, $length);

		$data	= pack('vvvV', $row, $col, $xfIndex, $this->_str_table[$str]);

		$this->_append($header.$data);

	}



	/**

	 * Write a string to the specified row and column (zero indexed).

	 * NOTE: there is an Excel 5 defined limit of 255 characters.

	 * $format is optional.

	 * Returns  0 : normal termination

	 *		 -2 : row or column out of range

	 *		 -3 : long string truncated to 255 chars

	 *

	 * @access public

	 * @param integer $row	Zero indexed row

	 * @param integer $col	Zero indexed column

	 * @param string  $str	The string to write

	 * @param mixed   $xfIndex The XF format index for the cell

	 * @return integer

	 */

	private function _writeLabel($row, $col, $str, $xfIndex)

	{

		$strlen	= strlen($str);

		$record	= 0x0204;				   // Record identifier

		$length	= 0x0008 + $strlen;		 // Bytes to follow



		$str_error = 0;



		if ($strlen > $this->_xls_strmax) { // LABEL must be < 255 chars

			$str	= substr($str, 0, $this->_xls_strmax);

			$length	= 0x0008 + $this->_xls_strmax;

			$strlen	= $this->_xls_strmax;

			$str_error = -3;

		}



		$header	= pack("vv",   $record, $length);

		$data	= pack("vvvv", $row, $col, $xfIndex, $strlen);

		$this->_append($header . $data . $str);

		return($str_error);

	}



	/**

	 * Write a string to the specified row and column (zero indexed).

	 * This is the BIFF8 version (no 255 chars limit).

	 * $format is optional.

	 * Returns  0 : normal termination

	 *		 -2 : row or column out of range

	 *		 -3 : long string truncated to 255 chars

	 *

	 * @access public

	 * @param integer $row	Zero indexed row

	 * @param integer $col	Zero indexed column

	 * @param string  $str	The string to write

	 * @param mixed   $xfIndex The XF format index for the cell

	 * @return integer

	 */

	private function _writeLabelSst($row, $col, $str, $xfIndex)

	{

		$record	= 0x00FD;				   // Record identifier

		$length	= 0x000A;				   // Bytes to follow



		$str = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($str);



		/* check if string is already present */

		if (!isset($this->_str_table[$str])) {

			$this->_str_table[$str] = $this->_str_unique++;

		}

		$this->_str_total++;



		$header	= pack('vv',   $record, $length);

		$data	= pack('vvvV', $row, $col, $xfIndex, $this->_str_table[$str]);

		$this->_append($header.$data);

	}



	/**

	 * Writes a note associated with the cell given by the row and column.

	 * NOTE records don't have a length limit.

	 *

	 * @param integer $row	Zero indexed row

	 * @param integer $col	Zero indexed column

	 * @param string  $note   The note to write

	 */

	private function _writeNote($row, $col, $note)

	{

		$note_length	= strlen($note);

		$record			= 0x001C;			// Record identifier

		$max_length		= 2048;				// Maximun length for a NOTE record



		// Length for this record is no more than 2048 + 6

		$length	= 0x0006 + min($note_length, 2048);

		$header	= pack("vv",   $record, $length);

		$data	= pack("vvv", $row, $col, $note_length);

		$this->_append($header . $data . substr($note, 0, 2048));



		for ($i = $max_length; $i < $note_length; $i += $max_length) {

			$chunk  = substr($note, $i, $max_length);

			$length = 0x0006 + strlen($chunk);

			$header = pack("vv",   $record, $length);

			$data   = pack("vvv", -1, 0, strlen($chunk));

			$this->_append($header.$data.$chunk);

		}

		return(0);

	}



	/**

	 * Write a blank cell to the specified row and column (zero indexed).

	 * A blank cell is used to specify formatting without adding a string

	 * or a number.

	 *

	 * A blank cell without a format serves no purpose. Therefore, we don't write

	 * a BLANK record unless a format is specified.

	 *

	 * Returns  0 : normal termination (including no format)

	 *		 -1 : insufficient number of arguments

	 *		 -2 : row or column out of range

	 *

	 * @param integer $row	Zero indexed row

	 * @param integer $col	Zero indexed column

	 * @param mixed   $xfIndex The XF format index

	 */

	function _writeBlank($row, $col, $xfIndex)

	{

		$record	= 0x0201;				 // Record identifier

		$length	= 0x0006;				 // Number of bytes to follow



		$header	= pack("vv",  $record, $length);

		$data	  = pack("vvv", $row, $col, $xfIndex);

		$this->_append($header . $data);

		return 0;

	}



	/**

	 * Write a boolean or an error type to the specified row and column (zero indexed)

	 *

	 * @param int $row Row index (0-based)

	 * @param int $col Column index (0-based)

	 * @param int $value

	 * @param boolean $isError Error or Boolean?

	 * @param int $xfIndex

	 */

	private function _writeBoolErr($row, $col, $value, $isError, $xfIndex)

	{

		$record = 0x0205;

		$length = 8;



		$header	= pack("vv",  $record, $length);

		$data	  = pack("vvvCC", $row, $col, $xfIndex, $value, $isError);

		$this->_append($header . $data);

		return 0;

	}



	/**

	 * Write a formula to the specified row and column (zero indexed).

	 * The textual representation of the formula is passed to the parser in

	 * Parser.php which returns a packed binary string.

	 *

	 * Returns  0 : normal termination

	 *		 -1 : formula errors (bad formula)

	 *		 -2 : row or column out of range

	 *

	 * @param integer $row	 Zero indexed row

	 * @param integer $col	 Zero indexed column

	 * @param string  $formula The formula text string

	 * @param mixed   $xfIndex  The XF format index

	 * @param mixed   $calculatedValue  Calculated value

	 * @return integer

	 */

	private function _writeFormula($row, $col, $formula, $xfIndex, $calculatedValue)

	{

		$record	= 0x0006;	 // Record identifier



		// Initialize possible additional value for STRING record that should be written after the FORMULA record?

		$stringValue = null;



		// calculated value

		if (isset($calculatedValue)) {

			// Since we can't yet get the data type of the calculated value,

			// we use best effort to determine data type

			if (is_bool($calculatedValue)) {

				// Boolean value

				$num = pack('CCCvCv', 0x01, 0x00, (int)$calculatedValue, 0x00, 0x00, 0xFFFF);

			} elseif (is_int($calculatedValue) || is_float($calculatedValue)) {

				// Numeric value

				$num = pack('d', $calculatedValue);

			} elseif (is_string($calculatedValue)) {

				if (array_key_exists($calculatedValue, PHPExcel_Cell_DataType::getErrorCodes())) {

					// Error value

					$num = pack('CCCvCv', 0x02, 0x00, self::_mapErrorCode($calculatedValue), 0x00, 0x00, 0xFFFF);

				} elseif ($calculatedValue === '') {

					// Empty string (and BIFF8)

					$num = pack('CCCvCv', 0x03, 0x00, 0x00, 0x00, 0x00, 0xFFFF);

				} else {

					// Non-empty string value (or empty string BIFF5)

					$stringValue = $calculatedValue;

					$num = pack('CCCvCv', 0x00, 0x00, 0x00, 0x00, 0x00, 0xFFFF);

				}

			} else {

				// We are really not supposed to reach here

				$num = pack('d', 0x00);

			}

		} else {

			$num = pack('d', 0x00);

		}



		$grbit		= 0x03;				// Option flags

		$unknown	= 0x0000;			// Must be zero



		// Strip the '=' or '@' sign at the beginning of the formula string

		if ($formula{0} == '=') {

			$formula = substr($formula,1);

		} else {

			// Error handling

			$this->_writeString($row, $col, 'Unrecognised character for formula');

			return -1;

		}



		// Parse the formula using the parser in Parser.php

		try {

			$error = $this->_parser->parse($formula);

			$formula = $this->_parser->toReversePolish();



			$formlen	= strlen($formula);	// Length of the binary string

			$length	 = 0x16 + $formlen;	 // Length of the record data



			$header	= pack("vv",	  $record, $length);



			$data	  = pack("vvv", $row, $col, $xfIndex)

						. $num

						. pack("vVv", $grbit, $unknown, $formlen);

			$this->_append($header . $data . $formula);



			// Append also a STRING record if necessary

			if ($stringValue !== null) {

				$this->_writeStringRecord($stringValue);

			}



			return 0;



		} catch (PHPExcel_Exception $e) {

			// do nothing

		}



	}



	/**

	 * Write a STRING record. This

	 *

	 * @param string $stringValue

	 */

	private function _writeStringRecord($stringValue)

	{

		$record = 0x0207;	 // Record identifier

		$data = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($stringValue);



		$length = strlen($data);

		$header = pack('vv', $record, $length);



		$this->_append($header . $data);

	}



	/**

	 * Write a hyperlink.

	 * This is comprised of two elements: the visible label and

	 * the invisible link. The visible label is the same as the link unless an

	 * alternative string is specified. The label is written using the

	 * _writeString() method. Therefore the 255 characters string limit applies.

	 * $string and $format are optional.

	 *

	 * The hyperlink can be to a http, ftp, mail, internal sheet (not yet), or external

	 * directory url.

	 *

	 * Returns  0 : normal termination

	 *		 -2 : row or column out of range

	 *		 -3 : long string truncated to 255 chars

	 *

	 * @param integer $row	Row

	 * @param integer $col	Column

	 * @param string  $url	URL string

	 * @return integer

	 */

	private function _writeUrl($row, $col, $url)

	{

		// Add start row and col to arg list

		return($this->_writeUrlRange($row, $col, $row, $col, $url));

	}



	/**

	 * This is the more general form of _writeUrl(). It allows a hyperlink to be

	 * written to a range of cells. This function also decides the type of hyperlink

	 * to be written. These are either, Web (http, ftp, mailto), Internal

	 * (Sheet1!A1) or external ('c:\temp\foo.xls#Sheet1!A1').

	 *

	 * @access private

	 * @see _writeUrl()

	 * @param integer $row1   Start row

	 * @param integer $col1   Start column

	 * @param integer $row2   End row

	 * @param integer $col2   End column

	 * @param string  $url	URL string

	 * @return integer

	 */

	function _writeUrlRange($row1, $col1, $row2, $col2, $url)

	{

		// Check for internal/external sheet links or default to web link

		if (preg_match('[^internal:]', $url)) {

			return($this->_writeUrlInternal($row1, $col1, $row2, $col2, $url));

		}

		if (preg_match('[^external:]', $url)) {

			return($this->_writeUrlExternal($row1, $col1, $row2, $col2, $url));

		}

		return($this->_writeUrlWeb($row1, $col1, $row2, $col2, $url));

	}



	/**

	 * Used to write http, ftp and mailto hyperlinks.

	 * The link type ($options) is 0x03 is the same as absolute dir ref without

	 * sheet. However it is differentiated by the $unknown2 data stream.

	 *

	 * @access private

	 * @see _writeUrl()

	 * @param integer $row1   Start row

	 * @param integer $col1   Start column

	 * @param integer $row2   End row

	 * @param integer $col2   End column

	 * @param string  $url	URL string

	 * @return integer

	 */

	function _writeUrlWeb($row1, $col1, $row2, $col2, $url)

	{

		$record	  = 0x01B8;					   // Record identifier

		$length	  = 0x00000;					  // Bytes to follow



		// Pack the undocumented parts of the hyperlink stream

		$unknown1	= pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");

		$unknown2	= pack("H*", "E0C9EA79F9BACE118C8200AA004BA90B");



		// Pack the option flags

		$options	 = pack("V", 0x03);



		// Convert URL to a null terminated wchar string

		$url		 = join("\0", preg_split("''", $url, -1, PREG_SPLIT_NO_EMPTY));

		$url		 = $url . "\0\0\0";



		// Pack the length of the URL

		$url_len	 = pack("V", strlen($url));



		// Calculate the data length

		$length	  = 0x34 + strlen($url);



		// Pack the header data

		$header	  = pack("vv",   $record, $length);

		$data		= pack("vvvv", $row1, $row2, $col1, $col2);



		// Write the packed data

		$this->_append($header . $data .

					   $unknown1 . $options .

					   $unknown2 . $url_len . $url);

		return 0;

	}



	/**

	 * Used to write internal reference hyperlinks such as "Sheet1!A1".

	 *

	 * @access private

	 * @see _writeUrl()

	 * @param integer $row1   Start row

	 * @param integer $col1   Start column

	 * @param integer $row2   End row

	 * @param integer $col2   End column

	 * @param string  $url	URL string

	 * @return integer

	 */

	function _writeUrlInternal($row1, $col1, $row2, $col2, $url)

	{

		$record	  = 0x01B8;					   // Record identifier

		$length	  = 0x00000;					  // Bytes to follow



		// Strip URL type

		$url = preg_replace('/^internal:/', '', $url);



		// Pack the undocumented parts of the hyperlink stream

		$unknown1	= pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");



		// Pack the option flags

		$options	 = pack("V", 0x08);



		// Convert the URL type and to a null terminated wchar string

		$url .= "\0";



		// character count

		$url_len = PHPExcel_Shared_String::CountCharacters($url);

		$url_len = pack('V', $url_len);



		$url = PHPExcel_Shared_String::ConvertEncoding($url, 'UTF-16LE', 'UTF-8');



		// Calculate the data length

		$length	  = 0x24 + strlen($url);



		// Pack the header data

		$header	  = pack("vv",   $record, $length);

		$data		= pack("vvvv", $row1, $row2, $col1, $col2);



		// Write the packed data

		$this->_append($header . $data .

					   $unknown1 . $options .

					   $url_len . $url);

		return 0;

	}



	/**

	 * Write links to external directory names such as 'c:\foo.xls',

	 * c:\foo.xls#Sheet1!A1', '../../foo.xls'. and '../../foo.xls#Sheet1!A1'.

	 *

	 * Note: Excel writes some relative links with the $dir_long string. We ignore

	 * these cases for the sake of simpler code.

	 *

	 * @access private

	 * @see _writeUrl()

	 * @param integer $row1   Start row

	 * @param integer $col1   Start column

	 * @param integer $row2   End row

	 * @param integer $col2   End column

	 * @param string  $url	URL string

	 * @return integer

	 */

	function _writeUrlExternal($row1, $col1, $row2, $col2, $url)

	{

		// Network drives are different. We will handle them separately

		// MS/Novell network drives and shares start with \\

		if (preg_match('[^external:\\\\]', $url)) {

			return; //($this->_writeUrlExternal_net($row1, $col1, $row2, $col2, $url, $str, $format));

		}



		$record	  = 0x01B8;					   // Record identifier

		$length	  = 0x00000;					  // Bytes to follow



		// Strip URL type and change Unix dir separator to Dos style (if needed)

		//

		$url = preg_replace('/^external:/', '', $url);

		$url = preg_replace('/\//', "\\", $url);



		// Determine if the link is relative or absolute:

		//   relative if link contains no dir separator, "somefile.xls"

		//   relative if link starts with up-dir, "..\..\somefile.xls"

		//   otherwise, absolute



		$absolute = 0x00; // relative path

		if ( preg_match('/^[A-Z]:/', $url) ) {

			$absolute = 0x02; // absolute path on Windows, e.g. C:\...

		}

		$link_type			   = 0x01 | $absolute;



		// Determine if the link contains a sheet reference and change some of the

		// parameters accordingly.

		// Split the dir name and sheet name (if it exists)

		$dir_long = $url;

		if (preg_match("/\#/", $url)) {

			$link_type |= 0x08;

		}





		// Pack the link type

		$link_type   = pack("V", $link_type);



		// Calculate the up-level dir count e.g.. (..\..\..\ == 3)

		$up_count	= preg_match_all("/\.\.\\\/", $dir_long, $useless);

		$up_count	= pack("v", $up_count);



		// Store the short dos dir name (null terminated)

		$dir_short   = preg_replace("/\.\.\\\/", '', $dir_long) . "\0";



		// Store the long dir name as a wchar string (non-null terminated)

		$dir_long	   = $dir_long . "\0";



		// Pack the lengths of the dir strings

		$dir_short_len = pack("V", strlen($dir_short)	  );

		$dir_long_len  = pack("V", strlen($dir_long)	   );

		$stream_len	= pack("V", 0);//strlen($dir_long) + 0x06);



		// Pack the undocumented parts of the hyperlink stream

		$unknown1 = pack("H*",'D0C9EA79F9BACE118C8200AA004BA90B02000000'	   );

		$unknown2 = pack("H*",'0303000000000000C000000000000046'			   );

		$unknown3 = pack("H*",'FFFFADDE000000000000000000000000000000000000000');

		$unknown4 = pack("v",  0x03											);



		// Pack the main data stream

		$data		= pack("vvvv", $row1, $row2, $col1, $col2) .

						  $unknown1	 .

						  $link_type	.

						  $unknown2	 .

						  $up_count	 .

						  $dir_short_len.

						  $dir_short	.

						  $unknown3	 .

						  $stream_len   ;/*.

						  $dir_long_len .

						  $unknown4	 .

						  $dir_long	 .

						  $sheet_len	.

						  $sheet		;*/



		// Pack the header data

		$length   = strlen($data);

		$header   = pack("vv", $record, $length);



		// Write the packed data

		$this->_append($header. $data);

		return 0;

	}



	/**

	 * This method is used to set the height and format for a row.

	 *

	 * @param integer $row	The row to set

	 * @param integer $height Height we are giving to the row.

	 *						Use null to set XF without setting height

	 * @param integer $xfIndex  The optional cell style Xf index to apply to the columns

	 * @param bool	$hidden The optional hidden attribute

	 * @param integer $level  The optional outline level for row, in range [0,7]

	 */

	private function _writeRow($row, $height, $xfIndex, $hidden = false, $level = 0)

	{

		$record	  = 0x0208;			   // Record identifier

		$length	  = 0x0010;			   // Number of bytes to follow



		$colMic	  = 0x0000;			   // First defined column

		$colMac	  = 0x0000;			   // Last defined column

		$irwMac	  = 0x0000;			   // Used by Excel to optimise loading

		$reserved	= 0x0000;			   // Reserved

		$grbit	   = 0x0000;			   // Option flags

		$ixfe		= $xfIndex;



		if ( $height < 0 ){

			$height = null;

		}



		// Use _writeRow($row, null, $XF) to set XF format without setting height

		if ($height != null) {

			$miyRw = $height * 20;  // row height

		} else {

			$miyRw = 0xff;		  // default row height is 256

		}



		// Set the options flags. fUnsynced is used to show that the font and row

		// heights are not compatible. This is usually the case for WriteExcel.

		// The collapsed flag 0x10 doesn't seem to be used to indicate that a row

		// is collapsed. Instead it is used to indicate that the previous row is

		// collapsed. The zero height flag, 0x20, is used to collapse a row.



		$grbit |= $level;

		if ($hidden) {

			$grbit |= 0x0020;

		}

		if ($height !== null) {

			$grbit |= 0x0040; // fUnsynced

		}

		if ($xfIndex !== 0xF) {

			$grbit |= 0x0080;

		}

		$grbit |= 0x0100;



		$header   = pack("vv",	   $record, $length);

		$data	 = pack("vvvvvvvv", $row, $colMic, $colMac, $miyRw,

									 $irwMac,$reserved, $grbit, $ixfe);

		$this->_append($header.$data);

	}



	/**

	 * Writes Excel DIMENSIONS to define the area in which there is data.

	 */

	private function _writeDimensions()

	{

		$record = 0x0200; // Record identifier



		$length = 0x000E;

		$data = pack('VVvvv'

				, $this->_firstRowIndex

				, $this->_lastRowIndex + 1

				, $this->_firstColumnIndex

				, $this->_lastColumnIndex + 1

				, 0x0000 // reserved

			);



		$header = pack("vv", $record, $length);

		$this->_append($header.$data);

	}



	/**

	 * Write BIFF record Window2.

	 */

	private function _writeWindow2()

	{

		$record		 = 0x023E;	 // Record identifier

		$length		 = 0x0012;



		$grbit		  = 0x00B6;	 // Option flags

		$rwTop		  = 0x0000;	 // Top row visible in window

		$colLeft		= 0x0000;	 // Leftmost column visible in window





		// The options flags that comprise $grbit

		$fDspFmla	   = 0;					 // 0 - bit

		$fDspGrid	   = $this->_phpSheet->getShowGridlines() ? 1 : 0; // 1

		$fDspRwCol	  = $this->_phpSheet->getShowRowColHeaders() ? 1 : 0; // 2

		$fFrozen		= $this->_phpSheet->getFreezePane() ? 1 : 0;		// 3

		$fDspZeros	  = 1;					 // 4

		$fDefaultHdr	= 1;					 // 5

		$fArabic		= $this->_phpSheet->getRightToLeft() ? 1 : 0; // 6

		$fDspGuts	   = $this->_outline_on;	// 7

		$fFrozenNoSplit = 0;					 // 0 - bit

		// no support in PHPExcel for selected sheet, therefore sheet is only selected if it is the active sheet

		$fSelected	  = ($this->_phpSheet === $this->_phpSheet->getParent()->getActiveSheet()) ? 1 : 0;

		$fPaged		 = 1;					 // 2

		$fPageBreakPreview = $this->_phpSheet->getSheetView()->getView() === PHPExcel_Worksheet_SheetView::SHEETVIEW_PAGE_BREAK_PREVIEW;



		$grbit			 = $fDspFmla;

		$grbit			|= $fDspGrid	   << 1;

		$grbit			|= $fDspRwCol	   << 2;

		$grbit			|= $fFrozen		   << 3;

		$grbit			|= $fDspZeros	   << 4;

		$grbit			|= $fDefaultHdr	   << 5;

		$grbit			|= $fArabic		   << 6;

		$grbit			|= $fDspGuts	   << 7;

		$grbit			|= $fFrozenNoSplit << 8;

		$grbit			|= $fSelected	   << 9;

		$grbit			|= $fPaged		   << 10;

		$grbit			|= $fPageBreakPreview << 11;



		$header  = pack("vv",   $record, $length);

		$data	= pack("vvv", $grbit, $rwTop, $colLeft);



		// FIXME !!!

		$rgbHdr	   = 0x0040; // Row/column heading and gridline color index

		$zoom_factor_page_break = ($fPageBreakPreview? $this->_phpSheet->getSheetView()->getZoomScale() : 0x0000);

		$zoom_factor_normal =  $this->_phpSheet->getSheetView()->getZoomScaleNormal();



		$data .= pack("vvvvV", $rgbHdr, 0x0000, $zoom_factor_page_break, $zoom_factor_normal, 0x00000000);



		$this->_append($header.$data);

	}



	/**

	 * Write BIFF record DEFAULTROWHEIGHT.

	 */

	private function _writeDefaultRowHeight()

	{

		$defaultRowHeight = $this->_phpSheet->getDefaultRowDimension()->getRowHeight();



		if ($defaultRowHeight < 0) {

			return;

		}



		// convert to twips

		$defaultRowHeight = (int) 20 * $defaultRowHeight;



		$record   = 0x0225;	  // Record identifier

		$length   = 0x0004;	  // Number of bytes to follow



		$header   = pack("vv", $record, $length);

		$data	 = pack("vv",  1, $defaultRowHeight);

		$this->_append($header . $data);

	}



	/**

	 * Write BIFF record DEFCOLWIDTH if COLINFO records are in use.

	 */

	private function _writeDefcol()

	{

		$defaultColWidth = 8;



		$record   = 0x0055;	  // Record identifier

		$length   = 0x0002;	  // Number of bytes to follow



		$header = pack("vv", $record, $length);

		$data = pack("v", $defaultColWidth);

		$this->_append($header . $data);

	}



	/**

	 * Write BIFF record COLINFO to define column widths

	 *

	 * Note: The SDK says the record length is 0x0B but Excel writes a 0x0C

	 * length record.

	 *

	 * @param array $col_array This is the only parameter received and is composed of the following:

	 *				0 => First formatted column,

	 *				1 => Last formatted column,

	 *				2 => Col width (8.43 is Excel default),

	 *				3 => The optional XF format of the column,

	 *				4 => Option flags.

	 *				5 => Optional outline level

	 */

	private function _writeColinfo($col_array)

	{

		if (isset($col_array[0])) {

			$colFirst = $col_array[0];

		}

		if (isset($col_array[1])) {

			$colLast = $col_array[1];

		}

		if (isset($col_array[2])) {

			$coldx = $col_array[2];

		} else {

			$coldx = 8.43;

		}

		if (isset($col_array[3])) {

			$xfIndex = $col_array[3];

		} else {

			$xfIndex = 15;

		}

		if (isset($col_array[4])) {

			$grbit = $col_array[4];

		} else {

			$grbit = 0;

		}

		if (isset($col_array[5])) {

			$level = $col_array[5];

		} else {

			$level = 0;

		}

		$record   = 0x007D;		  // Record identifier

		$length   = 0x000C;		  // Number of bytes to follow



		$coldx   *= 256;			 // Convert to units of 1/256 of a char



		$ixfe	 = $xfIndex;

		$reserved = 0x0000;			// Reserved



		$level = max(0, min($level, 7));

		$grbit |= $level << 8;



		$header   = pack("vv",	 $record, $length);

		$data	 = pack("vvvvvv", $colFirst, $colLast, $coldx,

								   $ixfe, $grbit, $reserved);

		$this->_append($header.$data);

	}



	/**

	 * Write BIFF record SELECTION.

	 */

	private function _writeSelection()

	{

		// look up the selected cell range

		$selectedCells = $this->_phpSheet->getSelectedCells();

		$selectedCells = PHPExcel_Cell::splitRange($this->_phpSheet->getSelectedCells());

		$selectedCells = $selectedCells[0];

		if (count($selectedCells) == 2) {

			list($first, $last) = $selectedCells;

		} else {

			$first = $selectedCells[0];

			$last  = $selectedCells[0];

		}



		list($colFirst, $rwFirst) = PHPExcel_Cell::coordinateFromString($first);

		$colFirst = PHPExcel_Cell::columnIndexFromString($colFirst) - 1; // base 0 column index

		--$rwFirst; // base 0 row index



		list($colLast, $rwLast) = PHPExcel_Cell::coordinateFromString($last);

		$colLast = PHPExcel_Cell::columnIndexFromString($colLast) - 1; // base 0 column index

		--$rwLast; // base 0 row index



		// make sure we are not out of bounds

		$colFirst = min($colFirst, 255);

		$colLast  = min($colLast,  255);



		$rwFirst = min($rwFirst, 65535);

		$rwLast  = min($rwLast,  65535);



		$record   = 0x001D;				  // Record identifier

		$length   = 0x000F;				  // Number of bytes to follow



		$pnn	  = $this->_active_pane;	 // Pane position

		$rwAct	= $rwFirst;				// Active row

		$colAct   = $colFirst;			   // Active column

		$irefAct  = 0;					   // Active cell ref

		$cref	 = 1;					   // Number of refs



		if (!isset($rwLast)) {

			$rwLast   = $rwFirst;	   // Last  row in reference

		}

		if (!isset($colLast)) {

			$colLast  = $colFirst;	  // Last  col in reference

		}



		// Swap last row/col for first row/col as necessary

		if ($rwFirst > $rwLast) {

			list($rwFirst, $rwLast) = array($rwLast, $rwFirst);

		}



		if ($colFirst > $colLast) {

			list($colFirst, $colLast) = array($colLast, $colFirst);

		}



		$header   = pack("vv",		 $record, $length);

		$data	 = pack("CvvvvvvCC",  $pnn, $rwAct, $colAct,

									   $irefAct, $cref,

									   $rwFirst, $rwLast,

									   $colFirst, $colLast);

		$this->_append($header . $data);

	}



	/**

	 * Store the MERGEDCELLS records for all ranges of merged cells

	 */

	private function _writeMergedCells()

	{

		$mergeCells = $this->_phpSheet->getMergeCells();

		$countMergeCells = count($mergeCells);



		if ($countMergeCells == 0) {

			return;

		}



		// maximum allowed number of merged cells per record

		$maxCountMergeCellsPerRecord = 1027;



		// record identifier

		$record = 0x00E5;



		// counter for total number of merged cells treated so far by the writer

		$i = 0;



		// counter for number of merged cells written in record currently being written

		$j = 0;



		// initialize record data

		$recordData = '';



		// loop through the merged cells

		foreach ($mergeCells as $mergeCell) {

			++$i;

			++$j;



			// extract the row and column indexes

			$range = PHPExcel_Cell::splitRange($mergeCell);

			list($first, $last) = $range[0];

			list($firstColumn, $firstRow) = PHPExcel_Cell::coordinateFromString($first);

			list($lastColumn, $lastRow) = PHPExcel_Cell::coordinateFromString($last);



			$recordData .= pack('vvvv', $firstRow - 1, $lastRow - 1, PHPExcel_Cell::columnIndexFromString($firstColumn) - 1, PHPExcel_Cell::columnIndexFromString($lastColumn) - 1);



			// flush record if we have reached limit for number of merged cells, or reached final merged cell

			if ($j == $maxCountMergeCellsPerRecord or $i == $countMergeCells) {

				$recordData = pack('v', $j) . $recordData;

				$length = strlen($recordData);

				$header = pack('vv', $record, $length);

				$this->_append($header . $recordData);



				// initialize for next record, if any

				$recordData = '';

				$j = 0;

			}

		}

	}



	/**

	 * Write SHEETLAYOUT record

	 */

	private function _writeSheetLayout()

	{

		if (!$this->_phpSheet->isTabColorSet()) {

			return;

		}



		$recordData = pack(

			'vvVVVvv'

			, 0x0862

			, 0x0000		// unused

			, 0x00000000	// unused

			, 0x00000000	// unused

			, 0x00000014	// size of record data

			, $this->_colors[$this->_phpSheet->getTabColor()->getRGB()]	// color index

			, 0x0000		// unused

		);



		$length = strlen($recordData);



		$record = 0x0862; // Record identifier

		$header = pack('vv', $record, $length);

		$this->_append($header . $recordData);

	}



	/**

	 * Write SHEETPROTECTION

	 */

	private function _writeSheetProtection()

	{

		// record identifier

		$record = 0x0867;



		// prepare options

		$options  =   (int) !$this->_phpSheet->getProtection()->getObjects()

					| (int) !$this->_phpSheet->getProtection()->getScenarios()           << 1

					| (int) !$this->_phpSheet->getProtection()->getFormatCells()         << 2

					| (int) !$this->_phpSheet->getProtection()->getFormatColumns()       << 3

					| (int) !$this->_phpSheet->getProtection()->getFormatRows()          << 4

					| (int) !$this->_phpSheet->getProtection()->getInsertColumns()       << 5

					| (int) !$this->_phpSheet->getProtection()->getInsertRows()          << 6

					| (int) !$this->_phpSheet->getProtection()->getInsertHyperlinks()    << 7

					| (int) !$this->_phpSheet->getProtection()->getDeleteColumns()       << 8

					| (int) !$this->_phpSheet->getProtection()->getDeleteRows()          << 9

					| (int) !$this->_phpSheet->getProtection()->getSelectLockedCells()   << 10

					| (int) !$this->_phpSheet->getProtection()->getSort()                << 11

					| (int) !$this->_phpSheet->getProtection()->getAutoFilter()          << 12

					| (int) !$this->_phpSheet->getProtection()->getPivotTables()         << 13

					| (int) !$this->_phpSheet->getProtection()->getSelectUnlockedCells() << 14 ;



		// record data

		$recordData = pack(

			'vVVCVVvv'

			, 0x0867		// repeated record identifier

			, 0x0000		// not used

			, 0x0000		// not used

			, 0x00			// not used

			, 0x01000200	// unknown data

			, 0xFFFFFFFF	// unknown data

			, $options		// options

			, 0x0000		// not used

		);



		$length = strlen($recordData);

		$header = pack('vv', $record, $length);



		$this->_append($header . $recordData);

	}



	/**

	 * Write BIFF record RANGEPROTECTION

	 *

	 * Openoffice.org's Documentaion of the Microsoft Excel File Format uses term RANGEPROTECTION for these records

	 * Microsoft Office Excel 97-2007 Binary File Format Specification uses term FEAT for these records

	 */

	private function _writeRangeProtection()

	{

		foreach ($this->_phpSheet->getProtectedCells() as $range => $password) {

			// number of ranges, e.g. 'A1:B3 C20:D25'

			$cellRanges = explode(' ', $range);

			$cref = count($cellRanges);



			$recordData = pack(

				'vvVVvCVvVv',

				0x0868,

				0x00,

				0x0000,

				0x0000,

				0x02,

				0x0,

				0x0000,

				$cref,

				0x0000,

				0x00

			);



			foreach ($cellRanges as $cellRange) {

				$recordData .= $this->_writeBIFF8CellRangeAddressFixed($cellRange);

			}



			// the rgbFeat structure

			$recordData .= pack(

				'VV',

				0x0000,

				hexdec($password)

			);



			$recordData .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong('p' . md5($recordData));



			$length = strlen($recordData);



			$record = 0x0868;		// Record identifier

			$header = pack("vv", $record, $length);

			$this->_append($header . $recordData);

		}

	}



	/**

	 * Write BIFF record EXTERNCOUNT to indicate the number of external sheet

	 * references in a worksheet.

	 *

	 * Excel only stores references to external sheets that are used in formulas.

	 * For simplicity we store references to all the sheets in the workbook

	 * regardless of whether they are used or not. This reduces the overall

	 * complexity and eliminates the need for a two way dialogue between the formula

	 * parser the worksheet objects.

	 *

	 * @param integer $count The number of external sheet references in this worksheet

	 */

	private function _writeExterncount($count)

	{

		$record = 0x0016;		  // Record identifier

		$length = 0x0002;		  // Number of bytes to follow



		$header = pack("vv", $record, $length);

		$data   = pack("v",  $count);

		$this->_append($header . $data);

	}



	/**

	 * Writes the Excel BIFF EXTERNSHEET record. These references are used by

	 * formulas. A formula references a sheet name via an index. Since we store a

	 * reference to all of the external worksheets the EXTERNSHEET index is the same

	 * as the worksheet index.

	 *

	 * @param string $sheetname The name of a external worksheet

	 */

	private function _writeExternsheet($sheetname)

	{

		$record	= 0x0017;		 // Record identifier



		// References to the current sheet are encoded differently to references to

		// external sheets.

		//

		if ($this->_phpSheet->getTitle() == $sheetname) {

			$sheetname = '';

			$length	= 0x02;  // The following 2 bytes

			$cch	   = 1;	 // The following byte

			$rgch	  = 0x02;  // Self reference

		} else {

			$length	= 0x02 + strlen($sheetname);

			$cch	   = strlen($sheetname);

			$rgch	  = 0x03;  // Reference to a sheet in the current workbook

		}



		$header = pack("vv",  $record, $length);

		$data   = pack("CC", $cch, $rgch);

		$this->_append($header . $data . $sheetname);

	}



	/**

	 * Writes the Excel BIFF PANE record.

	 * The panes can either be frozen or thawed (unfrozen).

	 * Frozen panes are specified in terms of an integer number of rows and columns.

	 * Thawed panes are specified in terms of Excel's units for rows and columns.

	 */

	private function _writePanes()

	{

		$panes = array();

		if ($freezePane = $this->_phpSheet->getFreezePane()) {

			list($column, $row) = PHPExcel_Cell::coordinateFromString($freezePane);

			$panes[0] = $row - 1;

			$panes[1] = PHPExcel_Cell::columnIndexFromString($column) - 1;

		} else {

			// thaw panes

			return;

		}



		$y	   = isset($panes[0]) ? $panes[0] : null;

		$x	   = isset($panes[1]) ? $panes[1] : null;

		$rwTop   = isset($panes[2]) ? $panes[2] : null;

		$colLeft = isset($panes[3]) ? $panes[3] : null;

		if (count($panes) > 4) { // if Active pane was received

			$pnnAct = $panes[4];

		} else {

			$pnnAct = null;

		}

		$record  = 0x0041;	   // Record identifier

		$length  = 0x000A;	   // Number of bytes to follow



		// Code specific to frozen or thawed panes.

		if ($this->_phpSheet->getFreezePane()) {

			// Set default values for $rwTop and $colLeft

			if (!isset($rwTop)) {

				$rwTop   = $y;

			}

			if (!isset($colLeft)) {

				$colLeft = $x;

			}

		} else {

			// Set default values for $rwTop and $colLeft

			if (!isset($rwTop)) {

				$rwTop   = 0;

			}

			if (!isset($colLeft)) {

				$colLeft = 0;

			}



			// Convert Excel's row and column units to the internal units.

			// The default row height is 12.75

			// The default column width is 8.43

			// The following slope and intersection values were interpolated.

			//

			$y = 20*$y + 255;

			$x = 113.879*$x + 390;

		}





		// Determine which pane should be active. There is also the undocumented

		// option to override this should it be necessary: may be removed later.

		//

		if (!isset($pnnAct)) {

			if ($x != 0 && $y != 0) {

				$pnnAct = 0; // Bottom right

			}

			if ($x != 0 && $y == 0) {

				$pnnAct = 1; // Top right

			}

			if ($x == 0 && $y != 0) {

				$pnnAct = 2; // Bottom left

			}

			if ($x == 0 && $y == 0) {

				$pnnAct = 3; // Top left

			}

		}



		$this->_active_pane = $pnnAct; // Used in _writeSelection



		$header	 = pack("vv",	$record, $length);

		$data	   = pack("vvvvv", $x, $y, $rwTop, $colLeft, $pnnAct);

		$this->_append($header . $data);

	}



	/**

	 * Store the page setup SETUP BIFF record.

	 */

	private function _writeSetup()

	{

		$record	   = 0x00A1;				  // Record identifier

		$length	   = 0x0022;				  // Number of bytes to follow



		$iPaperSize   = $this->_phpSheet->getPageSetup()->getPaperSize();	// Paper size



		$iScale = $this->_phpSheet->getPageSetup()->getScale() ?

			$this->_phpSheet->getPageSetup()->getScale() : 100;   // Print scaling factor



		$iPageStart   = 0x01;				 // Starting page number

		$iFitWidth	= (int) $this->_phpSheet->getPageSetup()->getFitToWidth();	// Fit to number of pages wide

		$iFitHeight	= (int) $this->_phpSheet->getPageSetup()->getFitToHeight();	// Fit to number of pages high

		$grbit		= 0x00;				 // Option flags

		$iRes		 = 0x0258;			   // Print resolution

		$iVRes		= 0x0258;			   // Vertical print resolution



		$numHdr	   = $this->_phpSheet->getPageMargins()->getHeader();  // Header Margin



		$numFtr	   = $this->_phpSheet->getPageMargins()->getFooter();   // Footer Margin

		$iCopies	  = 0x01;				 // Number of copies



		$fLeftToRight = 0x0;					 // Print over then down



		// Page orientation

		$fLandscape = ($this->_phpSheet->getPageSetup()->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ?

			0x0 : 0x1;



		$fNoPls	   = 0x0;					 // Setup not read from printer

		$fNoColor	 = 0x0;					 // Print black and white

		$fDraft	   = 0x0;					 // Print draft quality

		$fNotes	   = 0x0;					 // Print notes

		$fNoOrient	= 0x0;					 // Orientation not set

		$fUsePage	 = 0x0;					 // Use custom starting page



		$grbit		   = $fLeftToRight;

		$grbit		  |= $fLandscape	<< 1;

		$grbit		  |= $fNoPls		<< 2;

		$grbit		  |= $fNoColor	  << 3;

		$grbit		  |= $fDraft		<< 4;

		$grbit		  |= $fNotes		<< 5;

		$grbit		  |= $fNoOrient	 << 6;

		$grbit		  |= $fUsePage	  << 7;



		$numHdr = pack("d", $numHdr);

		$numFtr = pack("d", $numFtr);

		if (self::getByteOrder()) { // if it's Big Endian

			$numHdr = strrev($numHdr);

			$numFtr = strrev($numFtr);

		}



		$header = pack("vv", $record, $length);

		$data1  = pack("vvvvvvvv", $iPaperSize,

								   $iScale,

								   $iPageStart,

								   $iFitWidth,

								   $iFitHeight,

								   $grbit,

								   $iRes,

								   $iVRes);

		$data2  = $numHdr.$numFtr;

		$data3  = pack("v", $iCopies);

		$this->_append($header . $data1 . $data2 . $data3);

	}



	/**

	 * Store the header caption BIFF record.

	 */

	private function _writeHeader()

	{

		$record  = 0x0014;			   // Record identifier



		/* removing for now

		// need to fix character count (multibyte!)

		if (strlen($this->_phpSheet->getHeaderFooter()->getOddHeader()) <= 255) {

			$str	  = $this->_phpSheet->getHeaderFooter()->getOddHeader();	   // header string

		} else {

			$str = '';

		}

		*/



		$recordData = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($this->_phpSheet->getHeaderFooter()->getOddHeader());

		$length = strlen($recordData);



		$header   = pack("vv", $record, $length);



		$this->_append($header . $recordData);

	}



	/**

	 * Store the footer caption BIFF record.

	 */

	private function _writeFooter()

	{

		$record  = 0x0015;			   // Record identifier



		/* removing for now

		// need to fix character count (multibyte!)

		if (strlen($this->_phpSheet->getHeaderFooter()->getOddFooter()) <= 255) {

			$str = $this->_phpSheet->getHeaderFooter()->getOddFooter();

		} else {

			$str = '';

		}

		*/



		$recordData = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($this->_phpSheet->getHeaderFooter()->getOddFooter());

		$length = strlen($recordData);



		$header	= pack("vv", $record, $length);



		$this->_append($header . $recordData);

	}



	/**

	 * Store the horizontal centering HCENTER BIFF record.

	 *

	 * @access private

	 */

	private function _writeHcenter()

	{

		$record   = 0x0083;			  // Record identifier

		$length   = 0x0002;			  // Bytes to follow



		$fHCenter = $this->_phpSheet->getPageSetup()->getHorizontalCentered() ? 1 : 0;	 // Horizontal centering



		$header	= pack("vv", $record, $length);

		$data	  = pack("v",  $fHCenter);



		$this->_append($header.$data);

	}



	/**

	 * Store the vertical centering VCENTER BIFF record.

	 */

	private function _writeVcenter()

	{

		$record   = 0x0084;			  // Record identifier

		$length   = 0x0002;			  // Bytes to follow



		$fVCenter = $this->_phpSheet->getPageSetup()->getVerticalCentered() ? 1 : 0;	 // Horizontal centering



		$header	= pack("vv", $record, $length);

		$data	  = pack("v",  $fVCenter);

		$this->_append($header . $data);

	}



	/**

	 * Store the LEFTMARGIN BIFF record.

	 */

	private function _writeMarginLeft()

	{

		$record  = 0x0026;				   // Record identifier

		$length  = 0x0008;				   // Bytes to follow



		$margin  = $this->_phpSheet->getPageMargins()->getLeft();	 // Margin in inches



		$header	= pack("vv",  $record, $length);

		$data	  = pack("d",   $margin);

		if (self::getByteOrder()) { // if it's Big Endian

			$data = strrev($data);

		}



		$this->_append($header . $data);

	}



	/**

	 * Store the RIGHTMARGIN BIFF record.

	 */

	private function _writeMarginRight()

	{

		$record  = 0x0027;				   // Record identifier

		$length  = 0x0008;				   // Bytes to follow



		$margin  = $this->_phpSheet->getPageMargins()->getRight();	 // Margin in inches



		$header	= pack("vv",  $record, $length);

		$data	  = pack("d",   $margin);

		if (self::getByteOrder()) { // if it's Big Endian

			$data = strrev($data);

		}



		$this->_append($header . $data);

	}



	/**

	 * Store the TOPMARGIN BIFF record.

	 */

	private function _writeMarginTop()

	{

		$record  = 0x0028;				   // Record identifier

		$length  = 0x0008;				   // Bytes to follow



		$margin  = $this->_phpSheet->getPageMargins()->getTop();	 // Margin in inches



		$header	= pack("vv",  $record, $length);

		$data	  = pack("d",   $margin);

		if (self::getByteOrder()) { // if it's Big Endian

			$data = strrev($data);

		}



		$this->_append($header . $data);

	}



	/**

	 * Store the BOTTOMMARGIN BIFF record.

	 */

	private function _writeMarginBottom()

	{

		$record  = 0x0029;				   // Record identifier

		$length  = 0x0008;				   // Bytes to follow



		$margin  = $this->_phpSheet->getPageMargins()->getBottom();	 // Margin in inches



		$header	= pack("vv",  $record, $length);

		$data	  = pack("d",   $margin);

		if (self::getByteOrder()) { // if it's Big Endian

			$data = strrev($data);

		}



		$this->_append($header . $data);

	}



	/**

	 * Write the PRINTHEADERS BIFF record.

	 */

	private function _writePrintHeaders()

	{

		$record	  = 0x002a;				   // Record identifier

		$length	  = 0x0002;				   // Bytes to follow



		$fPrintRwCol = $this->_print_headers;	 // Boolean flag



		$header	  = pack("vv", $record, $length);

		$data		= pack("v", $fPrintRwCol);

		$this->_append($header . $data);

	}



	/**

	 * Write the PRINTGRIDLINES BIFF record. Must be used in conjunction with the

	 * GRIDSET record.

	 */

	private function _writePrintGridlines()

	{

		$record	  = 0x002b;					// Record identifier

		$length	  = 0x0002;					// Bytes to follow



		$fPrintGrid  = $this->_phpSheet->getPrintGridlines() ? 1 : 0;	// Boolean flag



		$header	  = pack("vv", $record, $length);

		$data	  = pack("v", $fPrintGrid);

		$this->_append($header . $data);

	}



	/**

	 * Write the GRIDSET BIFF record. Must be used in conjunction with the

	 * PRINTGRIDLINES record.

	 */

	private function _writeGridset()

	{

		$record	  = 0x0082;						// Record identifier

		$length	  = 0x0002;						// Bytes to follow



		$fGridSet	= !$this->_phpSheet->getPrintGridlines();	 // Boolean flag



		$header	  = pack("vv",  $record, $length);

		$data		= pack("v",   $fGridSet);

		$this->_append($header . $data);

	}



	/**

	 * Write the AUTOFILTERINFO BIFF record. This is used to configure the number of autofilter select used in the sheet.

	 */

	private function _writeAutoFilterInfo(){

		$record	  = 0x009D;						// Record identifier

		$length	  = 0x0002;						// Bytes to follow



		$rangeBounds = PHPExcel_Cell::rangeBoundaries($this->_phpSheet->getAutoFilter()->getRange());

		$iNumFilters = 1 + $rangeBounds[1][0] - $rangeBounds[0][0];



		$header   = pack("vv", $record, $length);

		$data     = pack("v",  $iNumFilters);

		$this->_append($header . $data);

	}



	/**

	 * Write the GUTS BIFF record. This is used to configure the gutter margins

	 * where Excel outline symbols are displayed. The visibility of the gutters is

	 * controlled by a flag in WSBOOL.

	 *

	 * @see _writeWsbool()

	 */

	private  function _writeGuts()

	{

		$record	  = 0x0080;   // Record identifier

		$length	  = 0x0008;   // Bytes to follow



		$dxRwGut	 = 0x0000;   // Size of row gutter

		$dxColGut	= 0x0000;   // Size of col gutter



		// determine maximum row outline level

		$maxRowOutlineLevel = 0;

		foreach ($this->_phpSheet->getRowDimensions() as $rowDimension) {

			$maxRowOutlineLevel = max($maxRowOutlineLevel, $rowDimension->getOutlineLevel());

		}



		$col_level   = 0;



		// Calculate the maximum column outline level. The equivalent calculation

		// for the row outline level is carried out in _writeRow().

		$colcount = count($this->_colinfo);

		for ($i = 0; $i < $colcount; ++$i) {

			$col_level = max($this->_colinfo[$i][5], $col_level);

		}



		// Set the limits for the outline levels (0 <= x <= 7).

		$col_level = max(0, min($col_level, 7));



		// The displayed level is one greater than the max outline levels

		if ($maxRowOutlineLevel) {

			++$maxRowOutlineLevel;

		}

		if ($col_level) {

			++$col_level;

		}



		$header	  = pack("vv",   $record, $length);

		$data		= pack("vvvv", $dxRwGut, $dxColGut, $maxRowOutlineLevel, $col_level);



		$this->_append($header.$data);

	}



	/**

	 * Write the WSBOOL BIFF record, mainly for fit-to-page. Used in conjunction

	 * with the SETUP record.

	 */

	private function _writeWsbool()

	{

		$record	  = 0x0081;   // Record identifier

		$length	  = 0x0002;   // Bytes to follow

		$grbit	   = 0x0000;



		// The only option that is of interest is the flag for fit to page. So we

		// set all the options in one go.

		//

		// Set the option flags

		$grbit |= 0x0001;						   // Auto page breaks visible

		if ($this->_outline_style) {

			$grbit |= 0x0020; // Auto outline styles

		}

		if ($this->_phpSheet->getShowSummaryBelow()) {

			$grbit |= 0x0040; // Outline summary below

		}

		if ($this->_phpSheet->getShowSummaryRight()) {

			$grbit |= 0x0080; // Outline summary right

		}

		if ($this->_phpSheet->getPageSetup()->getFitToPage()) {

			$grbit |= 0x0100; // Page setup fit to page

		}

		if ($this->_outline_on) {

			$grbit |= 0x0400; // Outline symbols displayed

		}



		$header	  = pack("vv", $record, $length);

		$data		= pack("v",  $grbit);

		$this->_append($header . $data);

	}



	/**

	 * Write the HORIZONTALPAGEBREAKS and VERTICALPAGEBREAKS BIFF records.

	 */

	private function _writeBreaks()

	{

		// initialize

		$vbreaks = array();

		$hbreaks = array();



		foreach ($this->_phpSheet->getBreaks() as $cell => $breakType) {

			// Fetch coordinates

			$coordinates = PHPExcel_Cell::coordinateFromString($cell);



			// Decide what to do by the type of break

			switch ($breakType) {

				case PHPExcel_Worksheet::BREAK_COLUMN:

					// Add to list of vertical breaks

					$vbreaks[] = PHPExcel_Cell::columnIndexFromString($coordinates[0]) - 1;

					break;



				case PHPExcel_Worksheet::BREAK_ROW:

					// Add to list of horizontal breaks

					$hbreaks[] = $coordinates[1];

					break;



				case PHPExcel_Worksheet::BREAK_NONE:

				default:

					// Nothing to do

					break;

			}

		}



		//horizontal page breaks

		if (!empty($hbreaks)) {



			// Sort and filter array of page breaks

			sort($hbreaks, SORT_NUMERIC);

			if ($hbreaks[0] == 0) { // don't use first break if it's 0

				array_shift($hbreaks);

			}



			$record  = 0x001b;			   // Record identifier

			$cbrk	= count($hbreaks);	   // Number of page breaks

			$length  = 2 + 6 * $cbrk;	  // Bytes to follow



			$header  = pack("vv", $record, $length);

			$data	= pack("v",  $cbrk);



			// Append each page break

			foreach ($hbreaks as $hbreak) {

				$data .= pack("vvv", $hbreak, 0x0000, 0x00ff);

			}



			$this->_append($header . $data);

		}



		// vertical page breaks

		if (!empty($vbreaks)) {



			// 1000 vertical pagebreaks appears to be an internal Excel 5 limit.

			// It is slightly higher in Excel 97/200, approx. 1026

			$vbreaks = array_slice($vbreaks, 0, 1000);



			// Sort and filter array of page breaks

			sort($vbreaks, SORT_NUMERIC);

			if ($vbreaks[0] == 0) { // don't use first break if it's 0

				array_shift($vbreaks);

			}



			$record  = 0x001a;			   // Record identifier

			$cbrk	= count($vbreaks);	   // Number of page breaks

			$length  = 2 + 6 * $cbrk;	  // Bytes to follow



			$header  = pack("vv",  $record, $length);

			$data	= pack("v",   $cbrk);



			// Append each page break

			foreach ($vbreaks as $vbreak) {

				$data .= pack("vvv", $vbreak, 0x0000, 0xffff);

			}



			$this->_append($header . $data);

		}

	}



	/**

	 * Set the Biff PROTECT record to indicate that the worksheet is protected.

	 */

	private function _writeProtect()

	{

		// Exit unless sheet protection has been specified

		if (!$this->_phpSheet->getProtection()->getSheet()) {

			return;

		}



		$record	  = 0x0012;			 // Record identifier

		$length	  = 0x0002;			 // Bytes to follow



		$fLock	  = 1;	// Worksheet is protected



		$header	  = pack("vv", $record, $length);

		$data	  = pack("v",  $fLock);



		$this->_append($header.$data);

	}



	/**

	 * Write SCENPROTECT

	 */

	private function _writeScenProtect()

	{

		// Exit if sheet protection is not active

		if (!$this->_phpSheet->getProtection()->getSheet()) {

			return;

		}



		// Exit if scenarios are not protected

		if (!$this->_phpSheet->getProtection()->getScenarios()) {

			return;

		}



		$record = 0x00DD; // Record identifier

		$length = 0x0002; // Bytes to follow



		$header = pack('vv', $record, $length);

		$data = pack('v', 1);



		$this->_append($header . $data);

	}



	/**

	 * Write OBJECTPROTECT

	 */

	private function _writeObjectProtect()

	{

		// Exit if sheet protection is not active

		if (!$this->_phpSheet->getProtection()->getSheet()) {

			return;

		}



		// Exit if objects are not protected

		if (!$this->_phpSheet->getProtection()->getObjects()) {

			return;

		}



		$record = 0x0063; // Record identifier

		$length = 0x0002; // Bytes to follow



		$header = pack('vv', $record, $length);

		$data = pack('v', 1);



		$this->_append($header . $data);

	}



	/**

	 * Write the worksheet PASSWORD record.

	 */

	private function _writePassword()

	{

		// Exit unless sheet protection and password have been specified

		if (!$this->_phpSheet->getProtection()->getSheet() || !$this->_phpSheet->getProtection()->getPassword()) {

			return;

		}



		$record	  = 0x0013;			   // Record identifier

		$length	  = 0x0002;			   // Bytes to follow



		$wPassword   = hexdec($this->_phpSheet->getProtection()->getPassword());	 // Encoded password



		$header	  = pack("vv", $record, $length);

		$data		= pack("v",  $wPassword);



		$this->_append($header . $data);

	}



	/**

	 * Insert a 24bit bitmap image in a worksheet.

	 *

	 * @access public

	 * @param integer $row	 The row we are going to insert the bitmap into

	 * @param integer $col	 The column we are going to insert the bitmap into

	 * @param mixed   $bitmap  The bitmap filename or GD-image resource

	 * @param integer $x	   The horizontal position (offset) of the image inside the cell.

	 * @param integer $y	   The vertical position (offset) of the image inside the cell.

	 * @param float   $scale_x The horizontal scale

	 * @param float   $scale_y The vertical scale

	 */

	function insertBitmap($row, $col, $bitmap, $x = 0, $y = 0, $scale_x = 1, $scale_y = 1)

	{

		$bitmap_array = (is_resource($bitmap) ? $this->_processBitmapGd($bitmap) : $this->_processBitmap($bitmap));

		list($width, $height, $size, $data) = $bitmap_array; //$this->_processBitmap($bitmap);



		// Scale the frame of the image.

		$width  *= $scale_x;

		$height *= $scale_y;



		// Calculate the vertices of the image and write the OBJ record

		$this->_positionImage($col, $row, $x, $y, $width, $height);



		// Write the IMDATA record to store the bitmap data

		$record	  = 0x007f;

		$length	  = 8 + $size;

		$cf		  = 0x09;

		$env		 = 0x01;

		$lcb		 = $size;



		$header	  = pack("vvvvV", $record, $length, $cf, $env, $lcb);

		$this->_append($header.$data);

	}



	/**

	 * Calculate the vertices that define the position of the image as required by

	 * the OBJ record.

	 *

	 *		 +------------+------------+

	 *		 |	 A	  |	  B	 |

	 *   +-----+------------+------------+

	 *   |	 |(x1,y1)	 |			|

	 *   |  1  |(A1)._______|______	  |

	 *   |	 |	|			  |	 |

	 *   |	 |	|			  |	 |

	 *   +-----+----|	BITMAP	|-----+

	 *   |	 |	|			  |	 |

	 *   |  2  |	|______________.	 |

	 *   |	 |			|		(B2)|

	 *   |	 |			|	 (x2,y2)|

	 *   +---- +------------+------------+

	 *

	 * Example of a bitmap that covers some of the area from cell A1 to cell B2.

	 *

	 * Based on the width and height of the bitmap we need to calculate 8 vars:

	 *	 $col_start, $row_start, $col_end, $row_end, $x1, $y1, $x2, $y2.

	 * The width and height of the cells are also variable and have to be taken into

	 * account.

	 * The values of $col_start and $row_start are passed in from the calling

	 * function. The values of $col_end and $row_end are calculated by subtracting

	 * the width and height of the bitmap from the width and height of the

	 * underlying cells.

	 * The vertices are expressed as a percentage of the underlying cell width as

	 * follows (rhs values are in pixels):

	 *

	 *	   x1 = X / W *1024

	 *	   y1 = Y / H *256

	 *	   x2 = (X-1) / W *1024

	 *	   y2 = (Y-1) / H *256

	 *

	 *	   Where:  X is distance from the left side of the underlying cell

	 *			   Y is distance from the top of the underlying cell

	 *			   W is the width of the cell

	 *			   H is the height of the cell

	 * The SDK incorrectly states that the height should be expressed as a

	 *		percentage of 1024.

	 *

	 * @access private

	 * @param integer $col_start Col containing upper left corner of object

	 * @param integer $row_start Row containing top left corner of object

	 * @param integer $x1		Distance to left side of object

	 * @param integer $y1		Distance to top of object

	 * @param integer $width	 Width of image frame

	 * @param integer $height	Height of image frame

	 */

	function _positionImage($col_start, $row_start, $x1, $y1, $width, $height)

	{

		// Initialise end cell to the same as the start cell

		$col_end	= $col_start;  // Col containing lower right corner of object

		$row_end	= $row_start;  // Row containing bottom right corner of object



		// Zero the specified offset if greater than the cell dimensions

		if ($x1 >= PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_start))) {

			$x1 = 0;

		}

		if ($y1 >= PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_start + 1)) {

			$y1 = 0;

		}



		$width	  = $width  + $x1 -1;

		$height	 = $height + $y1 -1;



		// Subtract the underlying cell widths to find the end cell of the image

		while ($width >= PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_end))) {

			$width -= PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_end));

			++$col_end;

		}



		// Subtract the underlying cell heights to find the end cell of the image

		while ($height >= PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_end + 1)) {

			$height -= PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_end + 1);

			++$row_end;

		}



		// Bitmap isn't allowed to start or finish in a hidden cell, i.e. a cell

		// with zero eight or width.

		//

		if (PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_start)) == 0) {

			return;

		}

		if (PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_end))   == 0) {

			return;

		}

		if (PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_start + 1) == 0) {

			return;

		}

		if (PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_end + 1)   == 0) {

			return;

		}



		// Convert the pixel values to the percentage value expected by Excel

		$x1 = $x1	 / PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_start))   * 1024;

		$y1 = $y1	 / PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_start + 1)   *  256;

		$x2 = $width  / PHPExcel_Shared_Excel5::sizeCol($this->_phpSheet, PHPExcel_Cell::stringFromColumnIndex($col_end))	 * 1024; // Distance to right side of object

		$y2 = $height / PHPExcel_Shared_Excel5::sizeRow($this->_phpSheet, $row_end + 1)	 *  256; // Distance to bottom of object



		$this->_writeObjPicture($col_start, $x1,

								 $row_start, $y1,

								 $col_end, $x2,

								 $row_end, $y2);

	}



	/**

	 * Store the OBJ record that precedes an IMDATA record. This could be generalise

	 * to support other Excel objects.

	 *

	 * @param integer $colL Column containing upper left corner of object

	 * @param integer $dxL  Distance from left side of cell

	 * @param integer $rwT  Row containing top left corner of object

	 * @param integer $dyT  Distance from top of cell

	 * @param integer $colR Column containing lower right corner of object

	 * @param integer $dxR  Distance from right of cell

	 * @param integer $rwB  Row containing bottom right corner of object

	 * @param integer $dyB  Distance from bottom of cell

	 */

	private function _writeObjPicture($colL,$dxL,$rwT,$dyT,$colR,$dxR,$rwB,$dyB)

	{

		$record	  = 0x005d;   // Record identifier

		$length	  = 0x003c;   // Bytes to follow



		$cObj		= 0x0001;   // Count of objects in file (set to 1)

		$OT		  = 0x0008;   // Object type. 8 = Picture

		$id		  = 0x0001;   // Object ID

		$grbit	   = 0x0614;   // Option flags



		$cbMacro	 = 0x0000;   // Length of FMLA structure

		$Reserved1   = 0x0000;   // Reserved

		$Reserved2   = 0x0000;   // Reserved



		$icvBack	 = 0x09;	 // Background colour

		$icvFore	 = 0x09;	 // Foreground colour

		$fls		 = 0x00;	 // Fill pattern

		$fAuto	   = 0x00;	 // Automatic fill

		$icv		 = 0x08;	 // Line colour

		$lns		 = 0xff;	 // Line style

		$lnw		 = 0x01;	 // Line weight

		$fAutoB	  = 0x00;	 // Automatic border

		$frs		 = 0x0000;   // Frame style

		$cf		  = 0x0009;   // Image format, 9 = bitmap

		$Reserved3   = 0x0000;   // Reserved

		$cbPictFmla  = 0x0000;   // Length of FMLA structure

		$Reserved4   = 0x0000;   // Reserved

		$grbit2	  = 0x0001;   // Option flags

		$Reserved5   = 0x0000;   // Reserved





		$header	  = pack("vv", $record, $length);

		$data		= pack("V", $cObj);

		$data	   .= pack("v", $OT);

		$data	   .= pack("v", $id);

		$data	   .= pack("v", $grbit);

		$data	   .= pack("v", $colL);

		$data	   .= pack("v", $dxL);

		$data	   .= pack("v", $rwT);

		$data	   .= pack("v", $dyT);

		$data	   .= pack("v", $colR);

		$data	   .= pack("v", $dxR);

		$data	   .= pack("v", $rwB);

		$data	   .= pack("v", $dyB);

		$data	   .= pack("v", $cbMacro);

		$data	   .= pack("V", $Reserved1);

		$data	   .= pack("v", $Reserved2);

		$data	   .= pack("C", $icvBack);

		$data	   .= pack("C", $icvFore);

		$data	   .= pack("C", $fls);

		$data	   .= pack("C", $fAuto);

		$data	   .= pack("C", $icv);

		$data	   .= pack("C", $lns);

		$data	   .= pack("C", $lnw);

		$data	   .= pack("C", $fAutoB);

		$data	   .= pack("v", $frs);

		$data	   .= pack("V", $cf);

		$data	   .= pack("v", $Reserved3);

		$data	   .= pack("v", $cbPictFmla);

		$data	   .= pack("v", $Reserved4);

		$data	   .= pack("v", $grbit2);

		$data	   .= pack("V", $Reserved5);



		$this->_append($header . $data);

	}



	/**

	 * Convert a GD-image into the internal format.

	 *

	 * @access private

	 * @param resource $image The image to process

	 * @return array Array with data and properties of the bitmap

	 */

	function _processBitmapGd($image) {

		$width = imagesx($image);

		$height = imagesy($image);



		$data = pack("Vvvvv", 0x000c, $width, $height, 0x01, 0x18);

		for ($j=$height; $j--; ) {

			for ($i=0; $i < $width; ++$i) {

				$color = imagecolorsforindex($image, imagecolorat($image, $i, $j));

				foreach (array("red", "green", "blue") as $key) {

					$color[$key] = $color[$key] + round((255 - $color[$key]) * $color["alpha"] / 127);

				}

				$data .= chr($color["blue"]) . chr($color["green"]) . chr($color["red"]);

			}

			if (3*$width % 4) {

				$data .= str_repeat("\x00", 4 - 3*$width % 4);

			}

		}



		return array($width, $height, strlen($data), $data);

	}



	/**

	 * Convert a 24 bit bitmap into the modified internal format used by Windows.

	 * This is described in BITMAPCOREHEADER and BITMAPCOREINFO structures in the

	 * MSDN library.

	 *

	 * @access private

	 * @param string $bitmap The bitmap to process

	 * @return array Array with data and properties of the bitmap

	 */

	function _processBitmap($bitmap)

	{

		// Open file.

		$bmp_fd = @fopen($bitmap,"rb");

		if (!$bmp_fd) {

			throw new PHPExcel_Writer_Exception("Couldn't import $bitmap");

		}



		// Slurp the file into a string.

		$data = fread($bmp_fd, filesize($bitmap));



		// Check that the file is big enough to be a bitmap.

		if (strlen($data) <= 0x36) {

			throw new PHPExcel_Writer_Exception("$bitmap doesn't contain enough data.\n");

		}



		// The first 2 bytes are used to identify the bitmap.

		$identity = unpack("A2ident", $data);

		if ($identity['ident'] != "BM") {

			throw new PHPExcel_Writer_Exception("$bitmap doesn't appear to be a valid bitmap image.\n");

		}



		// Remove bitmap data: ID.

		$data = substr($data, 2);



		// Read and remove the bitmap size. This is more reliable than reading

		// the data size at offset 0x22.

		//

		$size_array   = unpack("Vsa", substr($data, 0, 4));

		$size   = $size_array['sa'];

		$data   = substr($data, 4);

		$size  -= 0x36; // Subtract size of bitmap header.

		$size  += 0x0C; // Add size of BIFF header.



		// Remove bitmap data: reserved, offset, header length.

		$data = substr($data, 12);



		// Read and remove the bitmap width and height. Verify the sizes.

		$width_and_height = unpack("V2", substr($data, 0, 8));

		$width  = $width_and_height[1];

		$height = $width_and_height[2];

		$data   = substr($data, 8);

		if ($width > 0xFFFF) {

			throw new PHPExcel_Writer_Exception("$bitmap: largest image width supported is 65k.\n");

		}

		if ($height > 0xFFFF) {

			throw new PHPExcel_Writer_Exception("$bitmap: largest image height supported is 65k.\n");

		}



		// Read and remove the bitmap planes and bpp data. Verify them.

		$planes_and_bitcount = unpack("v2", substr($data, 0, 4));

		$data = substr($data, 4);

		if ($planes_and_bitcount[2] != 24) { // Bitcount

			throw new PHPExcel_Writer_Exception("$bitmap isn't a 24bit true color bitmap.\n");

		}

		if ($planes_and_bitcount[1] != 1) {

			throw new PHPExcel_Writer_Exception("$bitmap: only 1 plane supported in bitmap image.\n");

		}



		// Read and remove the bitmap compression. Verify compression.

		$compression = unpack("Vcomp", substr($data, 0, 4));

		$data = substr($data, 4);



		//$compression = 0;

		if ($compression['comp'] != 0) {

			throw new PHPExcel_Writer_Exception("$bitmap: compression not supported in bitmap image.\n");

		}



		// Remove bitmap data: data size, hres, vres, colours, imp. colours.

		$data = substr($data, 20);



		// Add the BITMAPCOREHEADER data

		$header  = pack("Vvvvv", 0x000c, $width, $height, 0x01, 0x18);

		$data	= $header . $data;



		return (array($width, $height, $size, $data));

	}



	/**

	 * Store the window zoom factor. This should be a reduced fraction but for

	 * simplicity we will store all fractions with a numerator of 100.

	 */

	private function _writeZoom()

	{

		// If scale is 100 we don't need to write a record

		if ($this->_phpSheet->getSheetView()->getZoomScale() == 100) {

			return;

		}



		$record	  = 0x00A0;			   // Record identifier

		$length	  = 0x0004;			   // Bytes to follow



		$header	  = pack("vv", $record, $length);

		$data		= pack("vv", $this->_phpSheet->getSheetView()->getZoomScale(), 100);

		$this->_append($header . $data);

	}



	/**

	 * Get Escher object

	 *

	 * @return PHPExcel_Shared_Escher

	 */

	public function getEscher()

	{

		return $this->_escher;

	}



	/**

	 * Set Escher object

	 *

	 * @param PHPExcel_Shared_Escher $pValue

	 */

	public function setEscher(PHPExcel_Shared_Escher $pValue = null)

	{

		$this->_escher = $pValue;

	}



	/**

	 * Write MSODRAWING record

	 */

	private function _writeMsoDrawing()

	{

		// write the Escher stream if necessary

		if (isset($this->_escher)) {

			$writer = new PHPExcel_Writer_Excel5_Escher($this->_escher);

			$data = $writer->close();

			$spOffsets = $writer->getSpOffsets();

			$spTypes = $writer->getSpTypes();

			// write the neccesary MSODRAWING, OBJ records



			// split the Escher stream

			$spOffsets[0] = 0;

			$nm = count($spOffsets) - 1; // number of shapes excluding first shape

			for ($i = 1; $i <= $nm; ++$i) {

				// MSODRAWING record

				$record = 0x00EC;			// Record identifier



				// chunk of Escher stream for one shape

				$dataChunk = substr($data, $spOffsets[$i -1], $spOffsets[$i] - $spOffsets[$i - 1]);



				$length = strlen($dataChunk);

				$header = pack("vv", $record, $length);



				$this->_append($header . $dataChunk);



				// OBJ record

				$record = 0x005D; // record identifier

				$objData = '';



				// ftCmo

				if($spTypes[$i] == 0x00C9){

					// Add ftCmo (common object data) subobject

					$objData .=

						pack('vvvvvVVV'

								, 0x0015	// 0x0015 = ftCmo

								, 0x0012	// length of ftCmo data

								, 0x0014	// object type, 0x0014 = filter

								, $i		// object id number, Excel seems to use 1-based index, local for the sheet

								, 0x2101	// option flags, 0x2001 is what OpenOffice.org uses

								, 0			// reserved

								, 0			// reserved

								, 0			// reserved

						);



					// Add ftSbs Scroll bar subobject

					$objData .= pack('vv', 0x00C, 0x0014);

					$objData .= pack('H*', '0000000000000000640001000A00000010000100');

					// Add ftLbsData (List box data) subobject

					$objData .= pack('vv', 0x0013, 0x1FEE);

					$objData .= pack('H*', '00000000010001030000020008005700');

				}

				else {

					// Add ftCmo (common object data) subobject

					$objData .=

						pack('vvvvvVVV'

							, 0x0015	// 0x0015 = ftCmo

							, 0x0012	// length of ftCmo data

							, 0x0008	// object type, 0x0008 = picture

							, $i		// object id number, Excel seems to use 1-based index, local for the sheet

							, 0x6011	// option flags, 0x6011 is what OpenOffice.org uses

							, 0			// reserved

							, 0			// reserved

							, 0			// reserved

						);

				}



				// ftEnd

				$objData .=

					pack('vv'

						, 0x0000	// 0x0000 = ftEnd

						, 0x0000	// length of ftEnd data

					);



				$length = strlen($objData);

				$header = pack('vv', $record, $length);

				$this->_append($header . $objData);

			}

		}

	}



	/**

	 * Store the DATAVALIDATIONS and DATAVALIDATION records.

	 */

	private function _writeDataValidity()

	{

		// Datavalidation collection

		$dataValidationCollection = $this->_phpSheet->getDataValidationCollection();



		// Write data validations?

		if (!empty($dataValidationCollection)) {



			// DATAVALIDATIONS record

			$record = 0x01B2;	  // Record identifier

			$length	  = 0x0012;	  // Bytes to follow



			$grbit  = 0x0000;	   // Prompt box at cell, no cached validity data at DV records

			$horPos	  = 0x00000000;  // Horizontal position of prompt box, if fixed position

			$verPos	  = 0x00000000;  // Vertical position of prompt box, if fixed position

			$objId  = 0xFFFFFFFF;  // Object identifier of drop down arrow object, or -1 if not visible



			$header	  = pack('vv', $record, $length);

			$data		= pack('vVVVV', $grbit, $horPos, $verPos, $objId,

										 count($dataValidationCollection));

			$this->_append($header.$data);



			// DATAVALIDATION records

			$record = 0x01BE;			  // Record identifier



			foreach ($dataValidationCollection as $cellCoordinate => $dataValidation) {

				// initialize record data

				$data = '';



				// options

				$options = 0x00000000;



				// data type

				$type = $dataValidation->getType();

				switch ($type) {

					case PHPExcel_Cell_DataValidation::TYPE_NONE:		$type = 0x00;	break;

					case PHPExcel_Cell_DataValidation::TYPE_WHOLE:		$type = 0x01;	break;

					case PHPExcel_Cell_DataValidation::TYPE_DECIMAL:	$type = 0x02;	break;

					case PHPExcel_Cell_DataValidation::TYPE_LIST:		$type = 0x03;	break;

					case PHPExcel_Cell_DataValidation::TYPE_DATE:		$type = 0x04;	break;

					case PHPExcel_Cell_DataValidation::TYPE_TIME:		$type = 0x05;	break;

					case PHPExcel_Cell_DataValidation::TYPE_TEXTLENGTH:	$type = 0x06;	break;

					case PHPExcel_Cell_DataValidation::TYPE_CUSTOM:		$type = 0x07;	break;

				}

				$options |= $type << 0;



				// error style

				$errorStyle = $dataValidation->getType();

				switch ($errorStyle) {

					case PHPExcel_Cell_DataValidation::STYLE_STOP:			$errorStyle = 0x00;		break;

					case PHPExcel_Cell_DataValidation::STYLE_WARNING:		$errorStyle = 0x01;		break;

					case PHPExcel_Cell_DataValidation::STYLE_INFORMATION:	$errorStyle = 0x02;		break;

				}

				$options |= $errorStyle << 4;



				// explicit formula?

				if ($type == 0x03 && preg_match('/^\".*\"$/', $dataValidation->getFormula1())) {

					$options |= 0x01				<< 7;

				}



				// empty cells allowed

				$options |= $dataValidation->getAllowBlank() << 8;



				// show drop down

				$options |= (!$dataValidation->getShowDropDown()) << 9;



				// show input message

				$options |= $dataValidation->getShowInputMessage() << 18;



				// show error message

				$options |= $dataValidation->getShowErrorMessage() << 19;



				// condition operator

				$operator = $dataValidation->getOperator();

				switch ($operator) {

					case PHPExcel_Cell_DataValidation::OPERATOR_BETWEEN: $operator = 0x00			;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_NOTBETWEEN: $operator = 0x01		;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_EQUAL: $operator = 0x02				;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_NOTEQUAL: $operator = 0x03			;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_GREATERTHAN: $operator = 0x04		;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_LESSTHAN: $operator = 0x05			;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_GREATERTHANOREQUAL: $operator = 0x06;	break;

					case PHPExcel_Cell_DataValidation::OPERATOR_LESSTHANOREQUAL: $operator = 0x07	;	break;

				}

				$options |= $operator << 20;



				$data		= pack('V', $options);



				// prompt title

				$promptTitle = $dataValidation->getPromptTitle() !== '' ?

					$dataValidation->getPromptTitle() : chr(0);

				$data .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($promptTitle);



				// error title

				$errorTitle = $dataValidation->getErrorTitle() !== '' ?

					$dataValidation->getErrorTitle() : chr(0);

				$data .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($errorTitle);



				// prompt text

				$prompt = $dataValidation->getPrompt() !== '' ?

					$dataValidation->getPrompt() : chr(0);

				$data .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($prompt);



				// error text

				$error = $dataValidation->getError() !== '' ?

					$dataValidation->getError() : chr(0);

				$data .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($error);



				// formula 1

				try {

					$formula1 = $dataValidation->getFormula1();

					if ($type == 0x03) { // list type

						$formula1 = str_replace(',', chr(0), $formula1);

					}

					$this->_parser->parse($formula1);

					$formula1 = $this->_parser->toReversePolish();

					$sz1 = strlen($formula1);



				} catch(PHPExcel_Exception $e) {

					$sz1 = 0;

					$formula1 = '';

				}

				$data .= pack('vv', $sz1, 0x0000);

				$data .= $formula1;



				// formula 2

				try {

					$formula2 = $dataValidation->getFormula2();

					if ($formula2 === '') {

						throw new PHPExcel_Writer_Exception('No formula2');

					}

					$this->_parser->parse($formula2);

					$formula2 = $this->_parser->toReversePolish();

					$sz2 = strlen($formula2);



				} catch(PHPExcel_Exception $e) {

					$sz2 = 0;

					$formula2 = '';

				}

				$data .= pack('vv', $sz2, 0x0000);

				$data .= $formula2;



				// cell range address list

				$data .= pack('v', 0x0001);

				$data .= $this->_writeBIFF8CellRangeAddressFixed($cellCoordinate);



				$length = strlen($data);

			$header = pack("vv", $record, $length);



				$this->_append($header . $data);

			}

		}

	}



	/**

	 * Map Error code

	 *

	 * @param string $errorCode

	 * @return int

	 */

	private static function _mapErrorCode($errorCode) {

		switch ($errorCode) {

			case '#NULL!':	return 0x00;

			case '#DIV/0!':	return 0x07;

			case '#VALUE!':	return 0x0F;

			case '#REF!':	return 0x17;

			case '#NAME?':	return 0x1D;

			case '#NUM!':	return 0x24;

			case '#N/A':	return 0x2A;

		}



		return 0;

	}



	/**

	 * Write PLV Record

	 */

	private function _writePageLayoutView(){

		$record	  = 0x088B;			   // Record identifier

		$length	  = 0x0010;			   // Bytes to follow



		$rt         = 0x088B; // 2

		$grbitFrt   = 0x0000; // 2

		$reserved   = 0x0000000000000000; // 8

		$wScalvePLV = $this->_phpSheet->getSheetView()->getZoomScale(); // 2



		// The options flags that comprise $grbit

		if($this->_phpSheet->getSheetView()->getView() == PHPExcel_Worksheet_SheetView::SHEETVIEW_PAGE_LAYOUT){

			$fPageLayoutView   = 1;

		} else {

			$fPageLayoutView   = 0;

		}

		$fRulerVisible     = 0;

		$fWhitespaceHidden = 0;



		$grbit      = $fPageLayoutView; // 2

		$grbit		|= $fRulerVisible	   << 1;

		$grbit		|= $fWhitespaceHidden  << 3;



		$header	  = pack("vv", $record, $length);

		$data	  = pack("vvVVvv", $rt, $grbitFrt, 0x00000000, 0x00000000, $wScalvePLV, $grbit);

		$this->_append($header . $data);

	}



	/**

	 * Write CFRule Record

	 * @param PHPExcel_Style_Conditional $conditional

	 */

	private function _writeCFRule(PHPExcel_Style_Conditional $conditional){

		$record	  = 0x01B1;			   // Record identifier



		// $type : Type of the CF

		// $operatorType : Comparison operator

		if($conditional->getConditionType() == PHPExcel_Style_Conditional::CONDITION_EXPRESSION){

			$type = 0x02;

			$operatorType = 0x00;

		} else if($conditional->getConditionType() == PHPExcel_Style_Conditional::CONDITION_CELLIS){

			$type = 0x01;



			switch ($conditional->getOperatorType()){

				case PHPExcel_Style_Conditional::OPERATOR_NONE:

					$operatorType = 0x00;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_EQUAL:

					$operatorType = 0x03;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_GREATERTHAN:

					$operatorType = 0x05;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_GREATERTHANOREQUAL:

					$operatorType = 0x07;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_LESSTHAN:

					$operatorType = 0x06;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_LESSTHANOREQUAL:

					$operatorType = 0x08;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_NOTEQUAL:

					$operatorType = 0x04;

					break;

				case PHPExcel_Style_Conditional::OPERATOR_BETWEEN:

					$operatorType = 0x01;

					break;

					// not OPERATOR_NOTBETWEEN 0x02

			}

		}



		// $szValue1 : size of the formula data for first value or formula

		// $szValue2 : size of the formula data for second value or formula

		$arrConditions = $conditional->getConditions();

		$numConditions = sizeof($arrConditions);

		if($numConditions == 1){

			$szValue1 = ($arrConditions[0] <= 65535 ? 3 : 0x0000);

			$szValue2 = 0x0000;

			$operand1 = pack('Cv', 0x1E, $arrConditions[0]);

			$operand2 = null;

		} else if($numConditions == 2 && ($conditional->getOperatorType() == PHPExcel_Style_Conditional::OPERATOR_BETWEEN)){

			$szValue1 = ($arrConditions[0] <= 65535 ? 3 : 0x0000);

			$szValue2 = ($arrConditions[1] <= 65535 ? 3 : 0x0000);

			$operand1 = pack('Cv', 0x1E, $arrConditions[0]);

			$operand2 = pack('Cv', 0x1E, $arrConditions[1]);

		} else {

			$szValue1 = 0x0000;

			$szValue2 = 0x0000;

			$operand1 = null;

			$operand2 = null;

		}



		// $flags : Option flags

		// Alignment

		$bAlignHz = ($conditional->getStyle()->getAlignment()->getHorizontal() == null ? 1 : 0);

		$bAlignVt = ($conditional->getStyle()->getAlignment()->getVertical() == null ? 1 : 0);

		$bAlignWrapTx = ($conditional->getStyle()->getAlignment()->getWrapText() == false ? 1 : 0);

		$bTxRotation = ($conditional->getStyle()->getAlignment()->getTextRotation() == null ? 1 : 0);

		$bIndent = ($conditional->getStyle()->getAlignment()->getIndent() == 0 ? 1 : 0);

		$bShrinkToFit = ($conditional->getStyle()->getAlignment()->getShrinkToFit() == false ? 1 : 0);

		if($bAlignHz == 0 || $bAlignVt == 0 || $bAlignWrapTx == 0 || $bTxRotation == 0 || $bIndent == 0 || $bShrinkToFit == 0){

			$bFormatAlign = 1;

		} else {

			$bFormatAlign = 0;

		}

		// Protection

		$bProtLocked = ($conditional->getStyle()->getProtection()->getLocked() == null ? 1 : 0);

		$bProtHidden = ($conditional->getStyle()->getProtection()->getHidden() == null ? 1 : 0);

		if($bProtLocked == 0 || $bProtHidden == 0){

			$bFormatProt = 1;

		} else {

			$bFormatProt = 0;

		}

		// Border

		$bBorderLeft = ($conditional->getStyle()->getBorders()->getLeft()->getColor()->getARGB() == PHPExcel_Style_Color::COLOR_BLACK

						&& $conditional->getStyle()->getBorders()->getLeft()->getBorderStyle() == PHPExcel_Style_Border::BORDER_NONE ? 1 : 0);

		$bBorderRight = ($conditional->getStyle()->getBorders()->getRight()->getColor()->getARGB() == PHPExcel_Style_Color::COLOR_BLACK

						&& $conditional->getStyle()->getBorders()->getRight()->getBorderStyle() == PHPExcel_Style_Border::BORDER_NONE ? 1 : 0);

		$bBorderTop = ($conditional->getStyle()->getBorders()->getTop()->getColor()->getARGB() == PHPExcel_Style_Color::COLOR_BLACK

						&& $conditional->getStyle()->getBorders()->getTop()->getBorderStyle() == PHPExcel_Style_Border::BORDER_NONE ? 1 : 0);

		$bBorderBottom = ($conditional->getStyle()->getBorders()->getBottom()->getColor()->getARGB() == PHPExcel_Style_Color::COLOR_BLACK

						&& $conditional->getStyle()->getBorders()->getBottom()->getBorderStyle() == PHPExcel_Style_Border::BORDER_NONE ? 1 : 0);

		if($bBorderLeft == 0 || $bBorderRight == 0 || $bBorderTop == 0 || $bBorderBottom == 0){

			$bFormatBorder = 1;

		} else {

			$bFormatBorder = 0;

		}

		// Pattern

		$bFillStyle = ($conditional->getStyle()->getFill()->getFillType() == null ? 0 : 1);

		$bFillColor = ($conditional->getStyle()->getFill()->getStartColor()->getARGB() == null ? 0 : 1);

		$bFillColorBg = ($conditional->getStyle()->getFill()->getEndColor()->getARGB() == null ? 0 : 1);

		if($bFillStyle == 0 || $bFillColor == 0 || $bFillColorBg == 0){

			$bFormatFill = 1;

		} else {

			$bFormatFill = 0;

		}

		// Font

		if($conditional->getStyle()->getFont()->getName() != null

			|| $conditional->getStyle()->getFont()->getSize() != null

			|| $conditional->getStyle()->getFont()->getBold() != null

			|| $conditional->getStyle()->getFont()->getItalic() != null

			|| $conditional->getStyle()->getFont()->getSuperScript() != null

			|| $conditional->getStyle()->getFont()->getSubScript() != null

			|| $conditional->getStyle()->getFont()->getUnderline() != null

			|| $conditional->getStyle()->getFont()->getStrikethrough() != null

			|| $conditional->getStyle()->getFont()->getColor()->getARGB() != null){

			$bFormatFont = 1;

		} else {

			$bFormatFont = 0;

		}

		// Alignment

		$flags = 0;

		$flags |= (1 == $bAlignHz      ? 0x00000001 : 0);

		$flags |= (1 == $bAlignVt      ? 0x00000002 : 0);

		$flags |= (1 == $bAlignWrapTx  ? 0x00000004 : 0);

		$flags |= (1 == $bTxRotation   ? 0x00000008 : 0);

		// Justify last line flag

		$flags |= (1 == 1              ? 0x00000010 : 0);

		$flags |= (1 == $bIndent       ? 0x00000020 : 0);

		$flags |= (1 == $bShrinkToFit  ? 0x00000040 : 0);

		// Default

		$flags |= (1 == 1              ? 0x00000080 : 0);

		// Protection

		$flags |= (1 == $bProtLocked   ? 0x00000100 : 0);

		$flags |= (1 == $bProtHidden   ? 0x00000200 : 0);

		// Border

		$flags |= (1 == $bBorderLeft   ? 0x00000400 : 0);

		$flags |= (1 == $bBorderRight  ? 0x00000800 : 0);

		$flags |= (1 == $bBorderTop    ? 0x00001000 : 0);

		$flags |= (1 == $bBorderBottom ? 0x00002000 : 0);

		$flags |= (1 == 1              ? 0x00004000 : 0); // Top left to Bottom right border

		$flags |= (1 == 1              ? 0x00008000 : 0); // Bottom left to Top right border

		// Pattern

		$flags |= (1 == $bFillStyle    ? 0x00010000 : 0);

		$flags |= (1 == $bFillColor    ? 0x00020000 : 0);

		$flags |= (1 == $bFillColorBg  ? 0x00040000 : 0);

		$flags |= (1 == 1              ? 0x00380000 : 0);

		// Font

		$flags |= (1 == $bFormatFont   ? 0x04000000 : 0);

	    // Alignment :

		$flags |= (1 == $bFormatAlign  ? 0x08000000 : 0);

		// Border

		$flags |= (1 == $bFormatBorder ? 0x10000000 : 0);

		// Pattern

		$flags |= (1 == $bFormatFill   ? 0x20000000 : 0);

		// Protection

		$flags |= (1 == $bFormatProt   ? 0x40000000 : 0);

		// Text direction

		$flags |= (1 == 0              ? 0x80000000 : 0);



		// Data Blocks

		if($bFormatFont == 1){

			// Font Name

			if($conditional->getStyle()->getFont()->getName() == null){

				$dataBlockFont =  pack('VVVVVVVV', 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000);

				$dataBlockFont .= pack('VVVVVVVV', 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000);

			} else {

				$dataBlockFont = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($conditional->getStyle()->getFont()->getName());

			}

			// Font Size

			if($conditional->getStyle()->getFont()->getSize() == null){

				$dataBlockFont .= pack('V', 20 * 11);

			} else {

				$dataBlockFont .= pack('V', 20 * $conditional->getStyle()->getFont()->getSize());

			}

			// Font Options

			$dataBlockFont .= pack('V', 0);

			// Font weight

			if($conditional->getStyle()->getFont()->getBold() == true){

				$dataBlockFont .= pack('v', 0x02BC);

			} else {

				$dataBlockFont .= pack('v', 0x0190);

			}

			// Escapement type

			if($conditional->getStyle()->getFont()->getSubScript() == true){

				$dataBlockFont .= pack('v', 0x02);

				$fontEscapement = 0;

			} else if($conditional->getStyle()->getFont()->getSuperScript() == true){

				$dataBlockFont .= pack('v', 0x01);

				$fontEscapement = 0;

			} else {

				$dataBlockFont .= pack('v', 0x00);

				$fontEscapement = 1;

			}

			// Underline type

			switch ($conditional->getStyle()->getFont()->getUnderline()){

				case PHPExcel_Style_Font::UNDERLINE_NONE             : $dataBlockFont .= pack('C', 0x00); $fontUnderline = 0; break;

				case PHPExcel_Style_Font::UNDERLINE_DOUBLE           : $dataBlockFont .= pack('C', 0x02); $fontUnderline = 0; break;

				case PHPExcel_Style_Font::UNDERLINE_DOUBLEACCOUNTING : $dataBlockFont .= pack('C', 0x22); $fontUnderline = 0; break;

				case PHPExcel_Style_Font::UNDERLINE_SINGLE           : $dataBlockFont .= pack('C', 0x01); $fontUnderline = 0; break;

				case PHPExcel_Style_Font::UNDERLINE_SINGLEACCOUNTING : $dataBlockFont .= pack('C', 0x21); $fontUnderline = 0; break;

				default                                              : $dataBlockFont .= pack('C', 0x00); $fontUnderline = 1; break;

			}

			// Not used (3)

			$dataBlockFont .= pack('vC', 0x0000, 0x00);

			// Font color index

			switch ($conditional->getStyle()->getFont()->getColor()->getRGB()) {

				case '000000': $colorIdx = 0x08; break;

				case 'FFFFFF': $colorIdx = 0x09; break;

				case 'FF0000': $colorIdx = 0x0A; break;

				case '00FF00': $colorIdx = 0x0B; break;

				case '0000FF': $colorIdx = 0x0C; break;

				case 'FFFF00': $colorIdx = 0x0D; break;

				case 'FF00FF': $colorIdx = 0x0E; break;

				case '00FFFF': $colorIdx = 0x0F; break;

				case '800000': $colorIdx = 0x10; break;

				case '008000': $colorIdx = 0x11; break;

				case '000080': $colorIdx = 0x12; break;

				case '808000': $colorIdx = 0x13; break;

				case '800080': $colorIdx = 0x14; break;

				case '008080': $colorIdx = 0x15; break;

				case 'C0C0C0': $colorIdx = 0x16; break;

				case '808080': $colorIdx = 0x17; break;

				case '9999FF': $colorIdx = 0x18; break;

				case '993366': $colorIdx = 0x19; break;

				case 'FFFFCC': $colorIdx = 0x1A; break;

				case 'CCFFFF': $colorIdx = 0x1B; break;

				case '660066': $colorIdx = 0x1C; break;

				case 'FF8080': $colorIdx = 0x1D; break;

				case '0066CC': $colorIdx = 0x1E; break;

				case 'CCCCFF': $colorIdx = 0x1F; break;

				case '000080': $colorIdx = 0x20; break;

				case 'FF00FF': $colorIdx = 0x21; break;

				case 'FFFF00': $colorIdx = 0x22; break;

				case '00FFFF': $colorIdx = 0x23; break;

				case '800080': $colorIdx = 0x24; break;

				case '800000': $colorIdx = 0x25; break;

				case '008080': $colorIdx = 0x26; break;

				case '0000FF': $colorIdx = 0x27; break;

				case '00CCFF': $colorIdx = 0x28; break;

				case 'CCFFFF': $colorIdx = 0x29; break;

				case 'CCFFCC': $colorIdx = 0x2A; break;

				case 'FFFF99': $colorIdx = 0x2B; break;

				case '99CCFF': $colorIdx = 0x2C; break;

				case 'FF99CC': $colorIdx = 0x2D; break;

				case 'CC99FF': $colorIdx = 0x2E; break;

				case 'FFCC99': $colorIdx = 0x2F; break;

				case '3366FF': $colorIdx = 0x30; break;

				case '33CCCC': $colorIdx = 0x31; break;

				case '99CC00': $colorIdx = 0x32; break;

				case 'FFCC00': $colorIdx = 0x33; break;

				case 'FF9900': $colorIdx = 0x34; break;

				case 'FF6600': $colorIdx = 0x35; break;

				case '666699': $colorIdx = 0x36; break;

				case '969696': $colorIdx = 0x37; break;

				case '003366': $colorIdx = 0x38; break;

				case '339966': $colorIdx = 0x39; break;

				case '003300': $colorIdx = 0x3A; break;

				case '333300': $colorIdx = 0x3B; break;

				case '993300': $colorIdx = 0x3C; break;

				case '993366': $colorIdx = 0x3D; break;

				case '333399': $colorIdx = 0x3E; break;

				case '333333': $colorIdx = 0x3F; break;

				default: $colorIdx = 0x00; break;

			}

			$dataBlockFont .= pack('V', $colorIdx);

			// Not used (4)

			$dataBlockFont .= pack('V', 0x00000000);

			// Options flags for modified font attributes

			$optionsFlags = 0;

			$optionsFlagsBold = ($conditional->getStyle()->getFont()->getBold() == null ? 1 : 0);

			$optionsFlags |= (1 == $optionsFlagsBold  ? 0x00000002 : 0);

			$optionsFlags |= (1 == 1                  ? 0x00000008 : 0);

			$optionsFlags |= (1 == 1                  ? 0x00000010 : 0);

			$optionsFlags |= (1 == 0                  ? 0x00000020 : 0);

			$optionsFlags |= (1 == 1                  ? 0x00000080 : 0);

			$dataBlockFont .= pack('V', $optionsFlags);

			// Escapement type

			$dataBlockFont .= pack('V', $fontEscapement);

			// Underline type

			$dataBlockFont .= pack('V', $fontUnderline);

			// Always

			$dataBlockFont .= pack('V', 0x00000000);

			// Always

			$dataBlockFont .= pack('V', 0x00000000);

			// Not used (8)

			$dataBlockFont .= pack('VV', 0x00000000, 0x00000000);

			// Always

			$dataBlockFont .= pack('v', 0x0001);

		}

		if($bFormatAlign == 1){

			$blockAlign = 0;

			// Alignment and text break

			switch ($conditional->getStyle()->getAlignment()->getHorizontal()){

				case PHPExcel_Style_Alignment::HORIZONTAL_GENERAL 			: $blockAlign = 0; break;

				case PHPExcel_Style_Alignment::HORIZONTAL_LEFT				: $blockAlign = 1; break;

				case PHPExcel_Style_Alignment::HORIZONTAL_RIGHT				: $blockAlign = 3; break;

				case PHPExcel_Style_Alignment::HORIZONTAL_CENTER			: $blockAlign = 2; break;

				case PHPExcel_Style_Alignment::HORIZONTAL_CENTER_CONTINUOUS	: $blockAlign = 6; break;

				case PHPExcel_Style_Alignment::HORIZONTAL_JUSTIFY			: $blockAlign = 5; break;

			}

			if($conditional->getStyle()->getAlignment()->getWrapText() == true){

				$blockAlign |= 1 << 3;

			} else {

				$blockAlign |= 0 << 3;

			}

			switch ($conditional->getStyle()->getAlignment()->getVertical()){

				case PHPExcel_Style_Alignment::VERTICAL_BOTTOM 				: $blockAlign = 2 << 4; break;

				case PHPExcel_Style_Alignment::VERTICAL_TOP					: $blockAlign = 0 << 4; break;

				case PHPExcel_Style_Alignment::VERTICAL_CENTER				: $blockAlign = 1 << 4; break;

				case PHPExcel_Style_Alignment::VERTICAL_JUSTIFY				: $blockAlign = 3 << 4; break;

			}

			$blockAlign |= 0 << 7;



			// Text rotation angle

			$blockRotation = $conditional->getStyle()->getAlignment()->getTextRotation();



			// Indentation

			$blockIndent = $conditional->getStyle()->getAlignment()->getIndent();

			if($conditional->getStyle()->getAlignment()->getShrinkToFit() == true){

				$blockIndent |= 1 << 4;

			} else {

				$blockIndent |= 0 << 4;

			}

			$blockIndent |= 0 << 6;



			// Relative indentation

			$blockIndentRelative = 255;



			$dataBlockAlign = pack('CCvvv', $blockAlign, $blockRotation, $blockIndent, $blockIndentRelative, 0x0000);

		}

		if($bFormatBorder == 1){

			$blockLineStyle = 0;

			switch ($conditional->getStyle()->getBorders()->getLeft()->getBorderStyle()){

				case PHPExcel_Style_Border::BORDER_NONE              : $blockLineStyle |= 0x00; break;

				case PHPExcel_Style_Border::BORDER_THIN              : $blockLineStyle |= 0x01; break;

				case PHPExcel_Style_Border::BORDER_MEDIUM            : $blockLineStyle |= 0x02; break;

				case PHPExcel_Style_Border::BORDER_DASHED            : $blockLineStyle |= 0x03; break;

				case PHPExcel_Style_Border::BORDER_DOTTED            : $blockLineStyle |= 0x04; break;

				case PHPExcel_Style_Border::BORDER_THICK             : $blockLineStyle |= 0x05; break;

				case PHPExcel_Style_Border::BORDER_DOUBLE            : $blockLineStyle |= 0x06; break;

				case PHPExcel_Style_Border::BORDER_HAIR              : $blockLineStyle |= 0x07; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHED      : $blockLineStyle |= 0x08; break;

				case PHPExcel_Style_Border::BORDER_DASHDOT           : $blockLineStyle |= 0x09; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT     : $blockLineStyle |= 0x0A; break;

				case PHPExcel_Style_Border::BORDER_DASHDOTDOT        : $blockLineStyle |= 0x0B; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT  : $blockLineStyle |= 0x0C; break;

				case PHPExcel_Style_Border::BORDER_SLANTDASHDOT      : $blockLineStyle |= 0x0D; break;

			}

			switch ($conditional->getStyle()->getBorders()->getRight()->getBorderStyle()){

				case PHPExcel_Style_Border::BORDER_NONE              : $blockLineStyle |= 0x00 << 4; break;

				case PHPExcel_Style_Border::BORDER_THIN              : $blockLineStyle |= 0x01 << 4; break;

				case PHPExcel_Style_Border::BORDER_MEDIUM            : $blockLineStyle |= 0x02 << 4; break;

				case PHPExcel_Style_Border::BORDER_DASHED            : $blockLineStyle |= 0x03 << 4; break;

				case PHPExcel_Style_Border::BORDER_DOTTED            : $blockLineStyle |= 0x04 << 4; break;

				case PHPExcel_Style_Border::BORDER_THICK             : $blockLineStyle |= 0x05 << 4; break;

				case PHPExcel_Style_Border::BORDER_DOUBLE            : $blockLineStyle |= 0x06 << 4; break;

				case PHPExcel_Style_Border::BORDER_HAIR              : $blockLineStyle |= 0x07 << 4; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHED      : $blockLineStyle |= 0x08 << 4; break;

				case PHPExcel_Style_Border::BORDER_DASHDOT           : $blockLineStyle |= 0x09 << 4; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT     : $blockLineStyle |= 0x0A << 4; break;

				case PHPExcel_Style_Border::BORDER_DASHDOTDOT        : $blockLineStyle |= 0x0B << 4; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT  : $blockLineStyle |= 0x0C << 4; break;

				case PHPExcel_Style_Border::BORDER_SLANTDASHDOT      : $blockLineStyle |= 0x0D << 4; break;

			}

			switch ($conditional->getStyle()->getBorders()->getTop()->getBorderStyle()){

				case PHPExcel_Style_Border::BORDER_NONE              : $blockLineStyle |= 0x00 << 8; break;

				case PHPExcel_Style_Border::BORDER_THIN              : $blockLineStyle |= 0x01 << 8; break;

				case PHPExcel_Style_Border::BORDER_MEDIUM            : $blockLineStyle |= 0x02 << 8; break;

				case PHPExcel_Style_Border::BORDER_DASHED            : $blockLineStyle |= 0x03 << 8; break;

				case PHPExcel_Style_Border::BORDER_DOTTED            : $blockLineStyle |= 0x04 << 8; break;

				case PHPExcel_Style_Border::BORDER_THICK             : $blockLineStyle |= 0x05 << 8; break;

				case PHPExcel_Style_Border::BORDER_DOUBLE            : $blockLineStyle |= 0x06 << 8; break;

				case PHPExcel_Style_Border::BORDER_HAIR              : $blockLineStyle |= 0x07 << 8; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHED      : $blockLineStyle |= 0x08 << 8; break;

				case PHPExcel_Style_Border::BORDER_DASHDOT           : $blockLineStyle |= 0x09 << 8; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT     : $blockLineStyle |= 0x0A << 8; break;

				case PHPExcel_Style_Border::BORDER_DASHDOTDOT        : $blockLineStyle |= 0x0B << 8; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT  : $blockLineStyle |= 0x0C << 8; break;

				case PHPExcel_Style_Border::BORDER_SLANTDASHDOT      : $blockLineStyle |= 0x0D << 8; break;

			}

			switch ($conditional->getStyle()->getBorders()->getBottom()->getBorderStyle()){

				case PHPExcel_Style_Border::BORDER_NONE              : $blockLineStyle |= 0x00 << 12; break;

				case PHPExcel_Style_Border::BORDER_THIN              : $blockLineStyle |= 0x01 << 12; break;

				case PHPExcel_Style_Border::BORDER_MEDIUM            : $blockLineStyle |= 0x02 << 12; break;

				case PHPExcel_Style_Border::BORDER_DASHED            : $blockLineStyle |= 0x03 << 12; break;

				case PHPExcel_Style_Border::BORDER_DOTTED            : $blockLineStyle |= 0x04 << 12; break;

				case PHPExcel_Style_Border::BORDER_THICK             : $blockLineStyle |= 0x05 << 12; break;

				case PHPExcel_Style_Border::BORDER_DOUBLE            : $blockLineStyle |= 0x06 << 12; break;

				case PHPExcel_Style_Border::BORDER_HAIR              : $blockLineStyle |= 0x07 << 12; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHED      : $blockLineStyle |= 0x08 << 12; break;

				case PHPExcel_Style_Border::BORDER_DASHDOT           : $blockLineStyle |= 0x09 << 12; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT     : $blockLineStyle |= 0x0A << 12; break;

				case PHPExcel_Style_Border::BORDER_DASHDOTDOT        : $blockLineStyle |= 0x0B << 12; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT  : $blockLineStyle |= 0x0C << 12; break;

				case PHPExcel_Style_Border::BORDER_SLANTDASHDOT      : $blockLineStyle |= 0x0D << 12; break;

			}

			//@todo _writeCFRule() => $blockLineStyle => Index Color for left line

			//@todo _writeCFRule() => $blockLineStyle => Index Color for right line

			//@todo _writeCFRule() => $blockLineStyle => Top-left to bottom-right on/off

			//@todo _writeCFRule() => $blockLineStyle => Bottom-left to top-right on/off

			$blockColor = 0;

			//@todo _writeCFRule() => $blockColor => Index Color for top line

			//@todo _writeCFRule() => $blockColor => Index Color for bottom line

			//@todo _writeCFRule() => $blockColor => Index Color for diagonal line

			switch ($conditional->getStyle()->getBorders()->getDiagonal()->getBorderStyle()){

				case PHPExcel_Style_Border::BORDER_NONE              : $blockColor |= 0x00 << 21; break;

				case PHPExcel_Style_Border::BORDER_THIN              : $blockColor |= 0x01 << 21; break;

				case PHPExcel_Style_Border::BORDER_MEDIUM            : $blockColor |= 0x02 << 21; break;

				case PHPExcel_Style_Border::BORDER_DASHED            : $blockColor |= 0x03 << 21; break;

				case PHPExcel_Style_Border::BORDER_DOTTED            : $blockColor |= 0x04 << 21; break;

				case PHPExcel_Style_Border::BORDER_THICK             : $blockColor |= 0x05 << 21; break;

				case PHPExcel_Style_Border::BORDER_DOUBLE            : $blockColor |= 0x06 << 21; break;

				case PHPExcel_Style_Border::BORDER_HAIR              : $blockColor |= 0x07 << 21; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHED      : $blockColor |= 0x08 << 21; break;

				case PHPExcel_Style_Border::BORDER_DASHDOT           : $blockColor |= 0x09 << 21; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT     : $blockColor |= 0x0A << 21; break;

				case PHPExcel_Style_Border::BORDER_DASHDOTDOT        : $blockColor |= 0x0B << 21; break;

				case PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT  : $blockColor |= 0x0C << 21; break;

				case PHPExcel_Style_Border::BORDER_SLANTDASHDOT      : $blockColor |= 0x0D << 21; break;

			}

			$dataBlockBorder = pack('vv', $blockLineStyle, $blockColor);

		}

		if($bFormatFill == 1){

			// Fill Patern Style

			$blockFillPatternStyle = 0;

			switch ($conditional->getStyle()->getFill()->getFillType()){

				case PHPExcel_Style_Fill::FILL_NONE						: $blockFillPatternStyle = 0x00; break;

				case PHPExcel_Style_Fill::FILL_SOLID					: $blockFillPatternStyle = 0x01; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_MEDIUMGRAY		: $blockFillPatternStyle = 0x02; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKGRAY			: $blockFillPatternStyle = 0x03; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTGRAY		: $blockFillPatternStyle = 0x04; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKHORIZONTAL	: $blockFillPatternStyle = 0x05; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKVERTICAL		: $blockFillPatternStyle = 0x06; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKDOWN			: $blockFillPatternStyle = 0x07; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKUP			: $blockFillPatternStyle = 0x08; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKGRID			: $blockFillPatternStyle = 0x09; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_DARKTRELLIS		: $blockFillPatternStyle = 0x0A; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTHORIZONTAL	: $blockFillPatternStyle = 0x0B; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTVERTICAL	: $blockFillPatternStyle = 0x0C; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTDOWN		: $blockFillPatternStyle = 0x0D; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTUP			: $blockFillPatternStyle = 0x0E; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTGRID		: $blockFillPatternStyle = 0x0F; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_LIGHTTRELLIS		: $blockFillPatternStyle = 0x10; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_GRAY125			: $blockFillPatternStyle = 0x11; break;

				case PHPExcel_Style_Fill::FILL_PATTERN_GRAY0625			: $blockFillPatternStyle = 0x12; break;

				case PHPExcel_Style_Fill::FILL_GRADIENT_LINEAR			: $blockFillPatternStyle = 0x00; break;	// does not exist in BIFF8

				case PHPExcel_Style_Fill::FILL_GRADIENT_PATH			: $blockFillPatternStyle = 0x00; break;	// does not exist in BIFF8

				default                                                 : $blockFillPatternStyle = 0x00; break;

			}

			// Color

			switch ($conditional->getStyle()->getFill()->getStartColor()->getRGB()) {

				case '000000': $colorIdxBg = 0x08; break;

				case 'FFFFFF': $colorIdxBg = 0x09; break;

				case 'FF0000': $colorIdxBg = 0x0A; break;

				case '00FF00': $colorIdxBg = 0x0B; break;

				case '0000FF': $colorIdxBg = 0x0C; break;

				case 'FFFF00': $colorIdxBg = 0x0D; break;

				case 'FF00FF': $colorIdxBg = 0x0E; break;

				case '00FFFF': $colorIdxBg = 0x0F; break;

				case '800000': $colorIdxBg = 0x10; break;

				case '008000': $colorIdxBg = 0x11; break;

				case '000080': $colorIdxBg = 0x12; break;

				case '808000': $colorIdxBg = 0x13; break;

				case '800080': $colorIdxBg = 0x14; break;

				case '008080': $colorIdxBg = 0x15; break;

				case 'C0C0C0': $colorIdxBg = 0x16; break;

				case '808080': $colorIdxBg = 0x17; break;

				case '9999FF': $colorIdxBg = 0x18; break;

				case '993366': $colorIdxBg = 0x19; break;

				case 'FFFFCC': $colorIdxBg = 0x1A; break;

				case 'CCFFFF': $colorIdxBg = 0x1B; break;

				case '660066': $colorIdxBg = 0x1C; break;

				case 'FF8080': $colorIdxBg = 0x1D; break;

				case '0066CC': $colorIdxBg = 0x1E; break;

				case 'CCCCFF': $colorIdxBg = 0x1F; break;

				case '000080': $colorIdxBg = 0x20; break;

				case 'FF00FF': $colorIdxBg = 0x21; break;

				case 'FFFF00': $colorIdxBg = 0x22; break;

				case '00FFFF': $colorIdxBg = 0x23; break;

				case '800080': $colorIdxBg = 0x24; break;

				case '800000': $colorIdxBg = 0x25; break;

				case '008080': $colorIdxBg = 0x26; break;

				case '0000FF': $colorIdxBg = 0x27; break;

				case '00CCFF': $colorIdxBg = 0x28; break;

				case 'CCFFFF': $colorIdxBg = 0x29; break;

				case 'CCFFCC': $colorIdxBg = 0x2A; break;

				case 'FFFF99': $colorIdxBg = 0x2B; break;

				case '99CCFF': $colorIdxBg = 0x2C; break;

				case 'FF99CC': $colorIdxBg = 0x2D; break;

				case 'CC99FF': $colorIdxBg = 0x2E; break;

				case 'FFCC99': $colorIdxBg = 0x2F; break;

				case '3366FF': $colorIdxBg = 0x30; break;

				case '33CCCC': $colorIdxBg = 0x31; break;

				case '99CC00': $colorIdxBg = 0x32; break;

				case 'FFCC00': $colorIdxBg = 0x33; break;

				case 'FF9900': $colorIdxBg = 0x34; break;

				case 'FF6600': $colorIdxBg = 0x35; break;

				case '666699': $colorIdxBg = 0x36; break;

				case '969696': $colorIdxBg = 0x37; break;

				case '003366': $colorIdxBg = 0x38; break;

				case '339966': $colorIdxBg = 0x39; break;

				case '003300': $colorIdxBg = 0x3A; break;

				case '333300': $colorIdxBg = 0x3B; break;

				case '993300': $colorIdxBg = 0x3C; break;

				case '993366': $colorIdxBg = 0x3D; break;

				case '333399': $colorIdxBg = 0x3E; break;

				case '333333': $colorIdxBg = 0x3F; break;

				default:       $colorIdxBg = 0x41; break;

			}

			// Fg Color

			switch ($conditional->getStyle()->getFill()->getEndColor()->getRGB()) {

				case '000000': $colorIdxFg = 0x08; break;

				case 'FFFFFF': $colorIdxFg = 0x09; break;

				case 'FF0000': $colorIdxFg = 0x0A; break;

				case '00FF00': $colorIdxFg = 0x0B; break;

				case '0000FF': $colorIdxFg = 0x0C; break;

				case 'FFFF00': $colorIdxFg = 0x0D; break;

				case 'FF00FF': $colorIdxFg = 0x0E; break;

				case '00FFFF': $colorIdxFg = 0x0F; break;

				case '800000': $colorIdxFg = 0x10; break;

				case '008000': $colorIdxFg = 0x11; break;

				case '000080': $colorIdxFg = 0x12; break;

				case '808000': $colorIdxFg = 0x13; break;

				case '800080': $colorIdxFg = 0x14; break;

				case '008080': $colorIdxFg = 0x15; break;

				case 'C0C0C0': $colorIdxFg = 0x16; break;

				case '808080': $colorIdxFg = 0x17; break;

				case '9999FF': $colorIdxFg = 0x18; break;

				case '993366': $colorIdxFg = 0x19; break;

				case 'FFFFCC': $colorIdxFg = 0x1A; break;

				case 'CCFFFF': $colorIdxFg = 0x1B; break;

				case '660066': $colorIdxFg = 0x1C; break;

				case 'FF8080': $colorIdxFg = 0x1D; break;

				case '0066CC': $colorIdxFg = 0x1E; break;

				case 'CCCCFF': $colorIdxFg = 0x1F; break;

				case '000080': $colorIdxFg = 0x20; break;

				case 'FF00FF': $colorIdxFg = 0x21; break;

				case 'FFFF00': $colorIdxFg = 0x22; break;

				case '00FFFF': $colorIdxFg = 0x23; break;

				case '800080': $colorIdxFg = 0x24; break;

				case '800000': $colorIdxFg = 0x25; break;

				case '008080': $colorIdxFg = 0x26; break;

				case '0000FF': $colorIdxFg = 0x27; break;

				case '00CCFF': $colorIdxFg = 0x28; break;

				case 'CCFFFF': $colorIdxFg = 0x29; break;

				case 'CCFFCC': $colorIdxFg = 0x2A; break;

				case 'FFFF99': $colorIdxFg = 0x2B; break;

				case '99CCFF': $colorIdxFg = 0x2C; break;

				case 'FF99CC': $colorIdxFg = 0x2D; break;

				case 'CC99FF': $colorIdxFg = 0x2E; break;

				case 'FFCC99': $colorIdxFg = 0x2F; break;

				case '3366FF': $colorIdxFg = 0x30; break;

				case '33CCCC': $colorIdxFg = 0x31; break;

				case '99CC00': $colorIdxFg = 0x32; break;

				case 'FFCC00': $colorIdxFg = 0x33; break;

				case 'FF9900': $colorIdxFg = 0x34; break;

				case 'FF6600': $colorIdxFg = 0x35; break;

				case '666699': $colorIdxFg = 0x36; break;

				case '969696': $colorIdxFg = 0x37; break;

				case '003366': $colorIdxFg = 0x38; break;

				case '339966': $colorIdxFg = 0x39; break;

				case '003300': $colorIdxFg = 0x3A; break;

				case '333300': $colorIdxFg = 0x3B; break;

				case '993300': $colorIdxFg = 0x3C; break;

				case '993366': $colorIdxFg = 0x3D; break;

				case '333399': $colorIdxFg = 0x3E; break;

				case '333333': $colorIdxFg = 0x3F; break;

				default:       $colorIdxFg = 0x40; break;

			}

			$dataBlockFill = pack('v', $blockFillPatternStyle);

			$dataBlockFill .= pack('v', $colorIdxFg | ($colorIdxBg << 7));

		}

		if($bFormatProt == 1){

			$dataBlockProtection = 0;

			if($conditional->getStyle()->getProtection()->getLocked() == PHPExcel_Style_Protection::PROTECTION_PROTECTED){

				$dataBlockProtection = 1;

			}

			if($conditional->getStyle()->getProtection()->getHidden() == PHPExcel_Style_Protection::PROTECTION_PROTECTED){

				$dataBlockProtection = 1 << 1;

			}

		}



		$data	  = pack('CCvvVv', $type, $operatorType, $szValue1, $szValue2, $flags, 0x0000);

		if($bFormatFont == 1){ // Block Formatting : OK

			$data .= $dataBlockFont;

		}

		if($bFormatAlign == 1){

			$data .= $dataBlockAlign;

		}

		if($bFormatBorder == 1){

			$data .= $dataBlockBorder;

		}

		if($bFormatFill == 1){ // Block Formatting : OK

			$data .= $dataBlockFill;

		}

		if($bFormatProt == 1){

			$data .= $dataBlockProtection;

		}

		if(!is_null($operand1)){

			$data .= $operand1;

		}

		if(!is_null($operand2)){

			$data .= $operand2;

		}

		$header	  = pack('vv', $record, strlen($data));

		$this->_append($header . $data);

	}



	/**

	 * Write CFHeader record

	 */

	private function _writeCFHeader(){

		$record	  = 0x01B0;			   // Record identifier

		$length	  = 0x0016;			   // Bytes to follow



		$numColumnMin = null;

		$numColumnMax = null;

		$numRowMin = null;

		$numRowMax = null;

		$arrConditional = array();

		foreach ($this->_phpSheet->getConditionalStylesCollection() as $cellCoordinate => $conditionalStyles) {

			foreach ($conditionalStyles as $conditional) {

				if($conditional->getConditionType() == PHPExcel_Style_Conditional::CONDITION_EXPRESSION

						|| $conditional->getConditionType() == PHPExcel_Style_Conditional::CONDITION_CELLIS){

					if(!in_array($conditional->getHashCode(), $arrConditional)){

						$arrConditional[] = $conditional->getHashCode();

					}

					// Cells

					$arrCoord = PHPExcel_Cell::coordinateFromString($cellCoordinate);

					if(!is_numeric($arrCoord[0])){

						$arrCoord[0] = PHPExcel_Cell::columnIndexFromString($arrCoord[0]);

					}

					if(is_null($numColumnMin) || ($numColumnMin > $arrCoord[0])){

						$numColumnMin = $arrCoord[0];

					}

					if(is_null($numColumnMax) || ($numColumnMax < $arrCoord[0])){

						$numColumnMax = $arrCoord[0];

					}

					if(is_null($numRowMin) || ($numRowMin > $arrCoord[1])){

						$numRowMin = $arrCoord[1];

					}

					if(is_null($numRowMax) || ($numRowMax < $arrCoord[1])){

						$numRowMax = $arrCoord[1];

					}

				}

			}

		}

		$needRedraw = 1;

		$cellRange = pack('vvvv', $numRowMin-1, $numRowMax-1, $numColumnMin-1, $numColumnMax-1);



		$header	  = pack('vv', $record, $length);

		$data	  = pack('vv', count($arrConditional), $needRedraw);

		$data     .= $cellRange;

		$data     .= pack('v', 0x0001);

		$data     .= $cellRange;

		$this->_append($header . $data);

	}

}