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 <?php

/**
 * PHPExcel_Writer_Excel5_Xf
 *
 * Copyright (c) 2006 - 2015 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 - 2015 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
// */
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
     */
    private $numberFormatIndex;

    /**
     * 1 bit, apparently not used.
     * @var integer
     */
    private $textJustLast;

    /**
     * The cell's foreground color.
     * @var integer
     */
    private $foregroundColor;

    /**
     * The cell's background color.
     * @var integer
     */
    private $backgroundColor;

    /**
     * Color of the bottom border of the cell.
     * @var integer
     */
    private $bottomBorderColor;

    /**
     * Color of the top border of the cell.
     * @var integer
     */
    private $topBorderColor;

    /**
    * Color of the left border of the cell.
    * @var integer
    */
    private $leftBorderColor;

    /**
     * Color of the right border of the cell.
     * @var integer
     */
    private $rightBorderColor;

    /**
     * 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->textJustLast  = 0;

        $this->foregroundColor       = 0x40;
        $this->backgroundColor       = 0x41;

        $this->_diag           = 0;

        $this->bottomBorderColor   = 0x40;
        $this->topBorderColor      = 0x40;
        $this->leftBorderColor     = 0x40;
        $this->rightBorderColor    = 0x40;
        $this->_diag_color     = 0x40;
        $this->_style = $style;

    }


    /**
     * Generate an Excel BIFF XF record (style or cell).
     *
     * @return string The XF record
     */
    public 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->foregroundColor != 0x40) ||
                        ($this->backgroundColor != 0x41) ||
                        self::mapFillType($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) {
            $this->bottomBorderColor = 0;
        }
        if (self::mapBorderStyle($this->_style->getBorders()->getTop()->getBorderStyle())  == 0) {
            $this->topBorderColor = 0;
        }
        if (self::mapBorderStyle($this->_style->getBorders()->getRight()->getBorderStyle()) == 0) {
            $this->rightBorderColor = 0;
        }
        if (self::mapBorderStyle($this->_style->getBorders()->getLeft()->getBorderStyle()) == 0) {
            $this->leftBorderColor = 0;
        }
        if (self::mapBorderStyle($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->textJustLast << 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->foregroundColor;      // fg and bg pattern colors
        $icv |= $this->backgroundColor      << 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->leftBorderColor    << 16;
        $border1 |= $this->rightBorderColor   << 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->topBorderColor;    // Border color
        $border2 |= $this->bottomBorderColor   << 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 $colorIndex Color index
     */
    public function setBottomColor($colorIndex)
    {
        $this->bottomBorderColor = $colorIndex;
    }

    /**
     * Sets the cell's top border color
     *
     * @access public
     * @param int $colorIndex Color index
     */
    public function setTopColor($colorIndex)
    {
        $this->topBorderColor = $colorIndex;
    }

    /**
     * Sets the cell's left border color
     *
     * @access public
     * @param int $colorIndex Color index
     */
    public function setLeftColor($colorIndex)
    {
        $this->leftBorderColor = $colorIndex;
    }

    /**
     * Sets the cell's right border color
     *
     * @access public
     * @param int $colorIndex Color index
     */
    public function setRightColor($colorIndex)
    {
        $this->rightBorderColor = $colorIndex;
    }

    /**
     * Sets the cell's diagonal border color
     *
     * @access public
     * @param int $colorIndex Color index
     */
    public function setDiagColor($colorIndex)
    {
        $this->_diag_color = $colorIndex;
    }


    /**
     * Sets the cell's foreground color
     *
     * @access public
     * @param int $colorIndex Color index
     */
    public function setFgColor($colorIndex)
    {
        $this->foregroundColor = $colorIndex;
    }

    /**
     * Sets the cell's background color
     *
     * @access public
     * @param int $colorIndex Color index
     */
    public function setBgColor($colorIndex)
    {
        $this->backgroundColor = $colorIndex;
    }

    /**
     * Sets the index to the number format record
     * It can be date, time, currency, etc...
     *
     * @access public
     * @param integer $numberFormatIndex Index to format record
     */
    public function setNumberFormatIndex($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 $mapBorderStyles = 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::$mapBorderStyles[$borderStyle])) {
            return self::$mapBorderStyles[$borderStyle];
        }
        return 0x00;
    }

    /**
     * Map of BIFF2-BIFF8 codes for fill types
     * @static    array of int
     *
     */
    private static $mapFillTypes = 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::$mapFillTypes[$fillType])) {
            return self::$mapFillTypes[$fillType];
        }
        return 0x00;
    }

    /**
     * Map of BIFF2-BIFF8 codes for horizontal alignment
     * @static    array of int
     *
     */
    private static $mapHAlignments = 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_FILL              => 4,
        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::$mapHAlignments[$hAlign])) {
            return self::$mapHAlignments[$hAlign];
        }
        return 0;
    }

    /**
     * Map of BIFF2-BIFF8 codes for vertical alignment
     * @static    array of int
     *
     */
    private static $mapVAlignments = 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::$mapVAlignments[$vAlign])) {
            return self::$mapVAlignments[$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 $textRotation;
        } elseif ($textRotation == -165) {
            return 255;
        } elseif ($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;
        }
    }
}