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<?php

/**

 * PHPExcel

 *

 * Copyright (c) 2006 - 2013 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 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)

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

 * @version    ##VERSION##, ##DATE##

 */

// Original file header of PEAR::Spreadsheet_Excel_Writer_Format (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_Xf

 *

 * @category   PHPExcel

 * @package    PHPExcel_Writer_Excel5

 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)

 */

class PHPExcel_Writer_Excel5_Xf

{

    /**

	 * Style XF or a cell XF ?

	 *

	 * @var boolean

	 */

	private $_isStyleXf;

	/**

	 * Index to the FONT record. Index 4 does not exist

	 * @var integer

	 */

	private $_fontIndex;

	/**

	 * An index (2 bytes) to a FORMAT record (number format).

	 * @var integer

	 */

	public $_numberFormatIndex;

	/**

	 * 1 bit, apparently not used.

	 * @var integer

	 */

	public $_text_justlast;

	/**

	 * The cell's foreground color.

	 * @var integer

	 */

	public $_fg_color;

	/**

	 * The cell's background color.

	 * @var integer

	 */

	public $_bg_color;

	/**

	 * Color of the bottom border of the cell.

	 * @var integer

	 */

	public $_bottom_color;

	/**

	 * Color of the top border of the cell.

	 * @var integer

	 */

	public $_top_color;

	/**

	* Color of the left border of the cell.

	* @var integer

	*/

	public $_left_color;

	/**

	 * Color of the right border of the cell.

	 * @var integer

	 */

	public $_right_color;

	/**

	 * Constructor

	 *

	 * @access public

	 * @param PHPExcel_Style	The XF format

	 */

	public function __construct(PHPExcel_Style $style = null)

	{

		$this->_isStyleXf =     false;

		$this->_fontIndex      = 0;

		$this->_numberFormatIndex     = 0;

		$this->_text_justlast  = 0;

		$this->_fg_color       = 0x40;

		$this->_bg_color       = 0x41;

		$this->_diag           = 0;

		$this->_bottom_color   = 0x40;

		$this->_top_color      = 0x40;

		$this->_left_color     = 0x40;

		$this->_right_color    = 0x40;

		$this->_diag_color     = 0x40;

		$this->_style = $style;

	}

	/**

	 * Generate an Excel BIFF XF record (style or cell).

	 *

	 * @return string The XF record

	 */

	function writeXf()

	{

		// Set the type of the XF record and some of the attributes.

		if ($this->_isStyleXf) {

			$style = 0xFFF5;

		} else {

			$style   = self::_mapLocked($this->_style->getProtection()->getLocked());

			$style  |= self::_mapHidden($this->_style->getProtection()->getHidden()) << 1;

		}

		// Flags to indicate if attributes have been set.

		$atr_num     = ($this->_numberFormatIndex != 0)?1:0;

		$atr_fnt     = ($this->_fontIndex != 0)?1:0;

		$atr_alc     = ((int) $this->_style->getAlignment()->getWrapText())?1:0;

		$atr_bdr     = (self::_mapBorderStyle($this->_style->getBorders()->getBottom()->getBorderStyle())   ||

						self::_mapBorderStyle($this->_style->getBorders()->getTop()->getBorderStyle())      ||

						self::_mapBorderStyle($this->_style->getBorders()->getLeft()->getBorderStyle())     ||

						self::_mapBorderStyle($this->_style->getBorders()->getRight()->getBorderStyle()))?1:0;

		$atr_pat     = (($this->_fg_color != 0x40) ||

						($this->_bg_color != 0x41) ||

						self::_mapFillType($this->_style->getFill()->getFillType()))?1:0;

		$atr_prot    = self::_mapLocked($this->_style->getProtection()->getLocked())

						| self::_mapHidden($this->_style->getProtection()->getHidden());

		// Zero the default border colour if the border has not been set.

		if (self::_mapBorderStyle($this->_style->getBorders()->getBottom()->getBorderStyle()) == 0) {

			$this->_bottom_color = 0;

		}

		if (self::_mapBorderStyle($this->_style->getBorders()->getTop()->getBorderStyle())  == 0) {

			$this->_top_color = 0;

		}

		if (self::_mapBorderStyle($this->_style->getBorders()->getRight()->getBorderStyle()) == 0) {

			$this->_right_color = 0;

		}

		if (self::_mapBorderStyle($this->_style->getBorders()->getLeft()->getBorderStyle()) == 0) {

			$this->_left_color = 0;

		}

		if (self::_mapBorderStyle($this->_style->getBorders()->getDiagonal()->getBorderStyle()) == 0) {

			$this->_diag_color = 0;

		}

		$record         = 0x00E0;              // Record identifier

		$length         = 0x0014;              // Number of bytes to follow

		$ifnt           = $this->_fontIndex;   // Index to FONT record

		$ifmt           = $this->_numberFormatIndex;  // Index to FORMAT record

		$align          = $this->_mapHAlign($this->_style->getAlignment()->getHorizontal());       // Alignment

		$align         |= (int) $this->_style->getAlignment()->getWrapText()     << 3;

		$align         |= self::_mapVAlign($this->_style->getAlignment()->getVertical())  << 4;

		$align         |= $this->_text_justlast << 7;

		$used_attrib    = $atr_num              << 2;

		$used_attrib   |= $atr_fnt              << 3;

		$used_attrib   |= $atr_alc              << 4;

		$used_attrib   |= $atr_bdr              << 5;

		$used_attrib   |= $atr_pat              << 6;

		$used_attrib   |= $atr_prot             << 7;

		$icv            = $this->_fg_color;      // fg and bg pattern colors

		$icv           |= $this->_bg_color      << 7;

		$border1        = self::_mapBorderStyle($this->_style->getBorders()->getLeft()->getBorderStyle());          // Border line style and color

		$border1       |= self::_mapBorderStyle($this->_style->getBorders()->getRight()->getBorderStyle())         << 4;

		$border1       |= self::_mapBorderStyle($this->_style->getBorders()->getTop()->getBorderStyle())           << 8;

		$border1       |= self::_mapBorderStyle($this->_style->getBorders()->getBottom()->getBorderStyle())        << 12;

		$border1       |= $this->_left_color    << 16;

		$border1       |= $this->_right_color   << 23;

		$diagonalDirection = $this->_style->getBorders()->getDiagonalDirection();

		$diag_tl_to_rb = $diagonalDirection == PHPExcel_Style_Borders::DIAGONAL_BOTH

							|| $diagonalDirection == PHPExcel_Style_Borders::DIAGONAL_DOWN;

		$diag_tr_to_lb = $diagonalDirection == PHPExcel_Style_Borders::DIAGONAL_BOTH

							|| $diagonalDirection == PHPExcel_Style_Borders::DIAGONAL_UP;

		$border1       |= $diag_tl_to_rb        << 30;

		$border1       |= $diag_tr_to_lb        << 31;

		$border2        = $this->_top_color;    // Border color

		$border2       |= $this->_bottom_color   << 7;

		$border2       |= $this->_diag_color     << 14;

		$border2       |= self::_mapBorderStyle($this->_style->getBorders()->getDiagonal()->getBorderStyle())           << 21;

		$border2       |= self::_mapFillType($this->_style->getFill()->getFillType())        << 26;

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

		//BIFF8 options: identation, shrinkToFit and  text direction

		$biff8_options  = $this->_style->getAlignment()->getIndent();

		$biff8_options |= (int) $this->_style->getAlignment()->getShrinkToFit() << 4;

		$data  = pack("vvvC", $ifnt, $ifmt, $style, $align);

		$data .= pack("CCC"

			, self::_mapTextRotation($this->_style->getAlignment()->getTextRotation())

			, $biff8_options

			, $used_attrib

			);

		$data .= pack("VVv", $border1, $border2, $icv);

		return($header . $data);

	}

	/**

	 * Is this a style XF ?

	 *

	 * @param boolean $value

	 */

	public function setIsStyleXf($value)

	{

		$this->_isStyleXf = $value;

	}

	/**

	 * Sets the cell's bottom border color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setBottomColor($colorIndex)

	{

		$this->_bottom_color = $colorIndex;

	}

	/**

	 * Sets the cell's top border color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setTopColor($colorIndex)

	{

		$this->_top_color = $colorIndex;

	}

	/**

	 * Sets the cell's left border color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setLeftColor($colorIndex)

	{

		$this->_left_color = $colorIndex;

	}

	/**

	 * Sets the cell's right border color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setRightColor($colorIndex)

	{

		$this->_right_color = $colorIndex;

	}

	/**

	 * Sets the cell's diagonal border color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setDiagColor($colorIndex)

	{

		$this->_diag_color = $colorIndex;

	}

	/**

	 * Sets the cell's foreground color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setFgColor($colorIndex)

	{

		$this->_fg_color = $colorIndex;

	}

	/**

	 * Sets the cell's background color

	 *

	 * @access public

	 * @param int $colorIndex Color index

	 */

	function setBgColor($colorIndex)

	{

		$this->_bg_color = $colorIndex;

	}

	/**

	 * Sets the index to the number format record

	 * It can be date, time, currency, etc...

	 *

	 * @access public

	 * @param integer $numberFormatIndex Index to format record

	 */

	function setNumberFormatIndex($numberFormatIndex)

	{

		$this->_numberFormatIndex = $numberFormatIndex;

	}

	/**

	 * Set the font index.

	 *

	 * @param int $value Font index, note that value 4 does not exist

	 */

	public function setFontIndex($value)

	{

		$this->_fontIndex = $value;

	}

	/**

	 * Map of BIFF2-BIFF8 codes for border styles

	 * @static	array of int

	 *

	 */

	private static $_mapBorderStyle = array	( PHPExcel_Style_Border::BORDER_NONE				=> 0x00,

											  PHPExcel_Style_Border::BORDER_THIN				=> 0x01,

											  PHPExcel_Style_Border::BORDER_MEDIUM				=> 0x02,

											  PHPExcel_Style_Border::BORDER_DASHED				=> 0x03,

											  PHPExcel_Style_Border::BORDER_DOTTED				=> 0x04,

											  PHPExcel_Style_Border::BORDER_THICK				=> 0x05,

											  PHPExcel_Style_Border::BORDER_DOUBLE				=> 0x06,

											  PHPExcel_Style_Border::BORDER_HAIR				=> 0x07,

											  PHPExcel_Style_Border::BORDER_MEDIUMDASHED		=> 0x08,

											  PHPExcel_Style_Border::BORDER_DASHDOT				=> 0x09,

											  PHPExcel_Style_Border::BORDER_MEDIUMDASHDOT		=> 0x0A,

											  PHPExcel_Style_Border::BORDER_DASHDOTDOT			=> 0x0B,

											  PHPExcel_Style_Border::BORDER_MEDIUMDASHDOTDOT	=> 0x0C,

											  PHPExcel_Style_Border::BORDER_SLANTDASHDOT		=> 0x0D,

											);

	/**

	 * Map border style

	 *

	 * @param string $borderStyle

	 * @return int

	 */

	private static function _mapBorderStyle($borderStyle) {

		if (isset(self::$_mapBorderStyle[$borderStyle]))

			return self::$_mapBorderStyle[$borderStyle];

		return 0x00;

	}

	/**

	 * Map of BIFF2-BIFF8 codes for fill types

	 * @static	array of int

	 *

	 */

	private static $_mapFillType = array( PHPExcel_Style_Fill::FILL_NONE					=> 0x00,

										  PHPExcel_Style_Fill::FILL_SOLID					=> 0x01,

										  PHPExcel_Style_Fill::FILL_PATTERN_MEDIUMGRAY		=> 0x02,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKGRAY		=> 0x03,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTGRAY		=> 0x04,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKHORIZONTAL	=> 0x05,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKVERTICAL	=> 0x06,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKDOWN		=> 0x07,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKUP			=> 0x08,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKGRID		=> 0x09,

										  PHPExcel_Style_Fill::FILL_PATTERN_DARKTRELLIS		=> 0x0A,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTHORIZONTAL	=> 0x0B,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTVERTICAL	=> 0x0C,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTDOWN		=> 0x0D,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTUP			=> 0x0E,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTGRID		=> 0x0F,

										  PHPExcel_Style_Fill::FILL_PATTERN_LIGHTTRELLIS	=> 0x10,

										  PHPExcel_Style_Fill::FILL_PATTERN_GRAY125			=> 0x11,

										  PHPExcel_Style_Fill::FILL_PATTERN_GRAY0625		=> 0x12,

										  PHPExcel_Style_Fill::FILL_GRADIENT_LINEAR			=> 0x00,	// does not exist in BIFF8

										  PHPExcel_Style_Fill::FILL_GRADIENT_PATH			=> 0x00,	// does not exist in BIFF8

										);

	/**

	 * Map fill type

	 *

	 * @param string $fillType

	 * @return int

	 */

	private static function _mapFillType($fillType) {

		if (isset(self::$_mapFillType[$fillType]))

			return self::$_mapFillType[$fillType];

		return 0x00;

	}

	/**

	 * Map of BIFF2-BIFF8 codes for horizontal alignment

	 * @static	array of int

	 *

	 */

	private static $_mapHAlign = array( PHPExcel_Style_Alignment::HORIZONTAL_GENERAL			=> 0,

										PHPExcel_Style_Alignment::HORIZONTAL_LEFT				=> 1,

										PHPExcel_Style_Alignment::HORIZONTAL_CENTER				=> 2,

										PHPExcel_Style_Alignment::HORIZONTAL_RIGHT				=> 3,

										PHPExcel_Style_Alignment::HORIZONTAL_JUSTIFY			=> 5,

										PHPExcel_Style_Alignment::HORIZONTAL_CENTER_CONTINUOUS	=> 6,

									  );

	/**

	 * Map to BIFF2-BIFF8 codes for horizontal alignment

	 *

	 * @param string $hAlign

	 * @return int

	 */

	private function _mapHAlign($hAlign)

	{

		if (isset(self::$_mapHAlign[$hAlign]))

			return self::$_mapHAlign[$hAlign];

		return 0;

	}

	/**

	 * Map of BIFF2-BIFF8 codes for vertical alignment

	 * @static	array of int

	 *

	 */

	private static $_mapVAlign = array( PHPExcel_Style_Alignment::VERTICAL_TOP		=> 0,

										PHPExcel_Style_Alignment::VERTICAL_CENTER	=> 1,

										PHPExcel_Style_Alignment::VERTICAL_BOTTOM	=> 2,

										PHPExcel_Style_Alignment::VERTICAL_JUSTIFY	=> 3,

									  );

	/**

	 * Map to BIFF2-BIFF8 codes for vertical alignment

	 *

	 * @param string $vAlign

	 * @return int

	 */

	private static function _mapVAlign($vAlign) {

		if (isset(self::$_mapVAlign[$vAlign]))

			return self::$_mapVAlign[$vAlign];

		return 2;

	}

	/**

	 * Map to BIFF8 codes for text rotation angle

	 *

	 * @param int $textRotation

	 * @return int

	 */

	private static function _mapTextRotation($textRotation) {

		if ($textRotation >= 0) {

			return $textRotation;

		}

		if ($textRotation == -165) {

			return 255;

		}

		if ($textRotation < 0) {

			return 90 - $textRotation;

		}

	}

	/**

	 * Map locked

	 *

	 * @param string

	 * @return int

	 */

	private static function _mapLocked($locked) {

		switch ($locked) {

			case PHPExcel_Style_Protection::PROTECTION_INHERIT:		return 1;

			case PHPExcel_Style_Protection::PROTECTION_PROTECTED:	return 1;

			case PHPExcel_Style_Protection::PROTECTION_UNPROTECTED:	return 0;

			default:												return 1;

		}

	}

	/**

	 * Map hidden

	 *

	 * @param string

	 * @return int

	 */

	private static function _mapHidden($hidden) {

		switch ($hidden) {

			case PHPExcel_Style_Protection::PROTECTION_INHERIT:		return 0;

			case PHPExcel_Style_Protection::PROTECTION_PROTECTED:	return 1;

			case PHPExcel_Style_Protection::PROTECTION_UNPROTECTED:	return 0;

			default:												return 0;

		}

	}

}