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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_Reader
 * @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##
 */


/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
        /**
         * @ignore
         */
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
        require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}

/**
 * PHPExcel_Reader_Excel2007
 *
 * @category    PHPExcel
 * @package     PHPExcel_Reader
 * @copyright   Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Reader_Excel2007 extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
{
        /**
         * PHPExcel_ReferenceHelper instance
         *
         * @var PHPExcel_ReferenceHelper
         */
        private $_referenceHelper = NULL;

        /**
         * PHPExcel_Reader_Excel2007_Theme instance
         *
         * @var PHPExcel_Reader_Excel2007_Theme
         */
        private static $_theme = NULL;


        /**
         * Create a new PHPExcel_Reader_Excel2007 instance
         */
        public function __construct() {
                $this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
                $this->_referenceHelper = PHPExcel_ReferenceHelper::getInstance();
        }


        /**
         * Can the current PHPExcel_Reader_IReader read the file?
         *
         * @param       string          $pFilename
         * @return      boolean
         * @throws PHPExcel_Reader_Exception
         */
        public function canRead($pFilename)
        {
                // Check if file exists
                if (!file_exists($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
                }

                // Check if zip class exists
                if (!class_exists('ZipArchive',FALSE)) {
                        throw new PHPExcel_Reader_Exception("ZipArchive library is not enabled");
                }

                $xl = false;
                // Load file
                $zip = new ZipArchive;
                if ($zip->open($pFilename) === true) {
                        // check if it is an OOXML archive
                        $rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels"));
                        if ($rels !== false) {
                                foreach ($rels->Relationship as $rel) {
                                        switch ($rel["Type"]) {
                                                case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
                                                        if (basename($rel["Target"]) == 'workbook.xml') {
                                                                $xl = true;
                                                        }
                                                        break;

                                        }
                                }
                        }
                        $zip->close();
                }

                return $xl;
        }


        /**
         * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
         *
         * @param       string          $pFilename
         * @throws      PHPExcel_Reader_Exception
         */
        public function listWorksheetNames($pFilename)
        {
                // Check if file exists
                if (!file_exists($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
                }

                $worksheetNames = array();

                $zip = new ZipArchive;
                $zip->open($pFilename);

                //      The files we're looking at here are small enough that simpleXML is more efficient than XMLReader
                $rels = simplexml_load_string(
                    $this->_getFromZipArchive($zip, "_rels/.rels")
                ); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                foreach ($rels->Relationship as $rel) {
                        switch ($rel["Type"]) {
                                case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
                                        $xmlWorkbook = simplexml_load_string(
                                            $this->_getFromZipArchive($zip, "{$rel['Target']}")
                                        );  //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");

                                        if ($xmlWorkbook->sheets) {
                                                foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
                                                        // Check if sheet should be skipped
                                                        $worksheetNames[] = (string) $eleSheet["name"];
                                                }
                                        }
                        }
                }

                $zip->close();

                return $worksheetNames;
        }


        /**
         * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
         *
         * @param   string     $pFilename
         * @throws   PHPExcel_Reader_Exception
         */
        public function listWorksheetInfo($pFilename)
        {
                // Check if file exists
                if (!file_exists($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
                }

                $worksheetInfo = array();

                $zip = new ZipArchive;
                $zip->open($pFilename);

                $rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                foreach ($rels->Relationship as $rel) {
                        if ($rel["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument") {
                                $dir = dirname($rel["Target"]);
                                $relsWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/_rels/" . basename($rel["Target"]) . ".rels"));  //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                $relsWorkbook->registerXPathNamespace("rel", "http://schemas.openxmlformats.org/package/2006/relationships");

                                $worksheets = array();
                                foreach ($relsWorkbook->Relationship as $ele) {
                                        if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet") {
                                                $worksheets[(string) $ele["Id"]] = $ele["Target"];
                                        }
                                }

                                $xmlWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));  //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
                                if ($xmlWorkbook->sheets) {
                                        $dir = dirname($rel["Target"]);
                                        foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
                                                $tmpInfo = array(
                                                        'worksheetName' => (string) $eleSheet["name"],
                                                        'lastColumnLetter' => 'A',
                                                        'lastColumnIndex' => 0,
                                                        'totalRows' => 0,
                                                        'totalColumns' => 0,
                                                );

                                                $fileWorksheet = $worksheets[(string) self::array_item($eleSheet->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];

                                                $xml = new XMLReader();
                                                $res = $xml->open('zip://'.PHPExcel_Shared_File::realpath($pFilename).'#'."$dir/$fileWorksheet");
                                                $xml->setParserProperty(2,true);

                                                $currCells = 0;
                                                while ($xml->read()) {
                                                        if ($xml->name == 'row' && $xml->nodeType == XMLReader::ELEMENT) {
                                                                $row = $xml->getAttribute('r');
                                                                $tmpInfo['totalRows'] = $row;
                                                                $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
                                                                $currCells = 0;
                                                        } elseif ($xml->name == 'c' && $xml->nodeType == XMLReader::ELEMENT) {
                                                                $currCells++;
                                                        }
                                                }
                                                $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
                                                $xml->close();

                                                $tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
                                                $tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);

                                                $worksheetInfo[] = $tmpInfo;
                                        }
                                }
                        }
                }

                $zip->close();

                return $worksheetInfo;
        }


        private static function _castToBool($c) {
//              echo 'Initial Cast to Boolean<br />';
                $value = isset($c->v) ? (string) $c->v : NULL;
                if ($value == '0') {
                        return FALSE;
                } elseif ($value == '1') {
                        return TRUE;
                } else {
                        return (bool)$c->v;
                }
                return $value;
        }       //      function _castToBool()


        private static function _castToError($c) {
//              echo 'Initial Cast to Error<br />';
                return isset($c->v) ? (string) $c->v : NULL;
        }       //      function _castToError()


        private static function _castToString($c) {
//              echo 'Initial Cast to String<br />';
                return isset($c->v) ? (string) $c->v : NULL;
        }       //      function _castToString()


        private function _castToFormula($c,$r,&$cellDataType,&$value,&$calculatedValue,&$sharedFormulas,$castBaseType) {
//              echo 'Formula<br />';
//              echo '$c->f is '.$c->f.'<br />';
                $cellDataType           = 'f';
                $value                          = "={$c->f}";
                $calculatedValue        = self::$castBaseType($c);

                // Shared formula?
                if (isset($c->f['t']) && strtolower((string)$c->f['t']) == 'shared') {
//                      echo 'SHARED FORMULA<br />';
                        $instance = (string)$c->f['si'];

//                      echo 'Instance ID = '.$instance.'<br />';
//
//                      echo 'Shared Formula Array:<pre>';
//                      print_r($sharedFormulas);
//                      echo '</pre>';
                        if (!isset($sharedFormulas[(string)$c->f['si']])) {
//                              echo 'SETTING NEW SHARED FORMULA<br />';
//                              echo 'Master is '.$r.'<br />';
//                              echo 'Formula is '.$value.'<br />';
                                $sharedFormulas[$instance] = array(     'master' => $r,
                                                                                                        'formula' => $value
                                                                                                  );
//                              echo 'New Shared Formula Array:<pre>';
//                              print_r($sharedFormulas);
//                              echo '</pre>';
                        } else {
//                              echo 'GETTING SHARED FORMULA<br />';
//                              echo 'Master is '.$sharedFormulas[$instance]['master'].'<br />';
//                              echo 'Formula is '.$sharedFormulas[$instance]['formula'].'<br />';
                                $master = PHPExcel_Cell::coordinateFromString($sharedFormulas[$instance]['master']);
                                $current = PHPExcel_Cell::coordinateFromString($r);

                                $difference = array(0, 0);
                                $difference[0] = PHPExcel_Cell::columnIndexFromString($current[0]) - PHPExcel_Cell::columnIndexFromString($master[0]);
                                $difference[1] = $current[1] - $master[1];

                                $value = $this->_referenceHelper->updateFormulaReferences(      $sharedFormulas[$instance]['formula'],
                                                                                                                                                        'A1',
                                                                                                                                                        $difference[0],
                                                                                                                                                        $difference[1]
                                                                                                                                                 );
//                              echo 'Adjusted Formula is '.$value.'<br />';
                        }
                }
        }


        public function _getFromZipArchive(ZipArchive $archive, $fileName = '')
        {
                // Root-relative paths
                if (strpos($fileName, '//') !== false)
                {
                        $fileName = substr($fileName, strpos($fileName, '//') + 1);
                }
                $fileName = PHPExcel_Shared_File::realpath($fileName);

                // Apache POI fixes
                $contents = $archive->getFromName($fileName);
                if ($contents === false)
                {
                        $contents = $archive->getFromName(substr($fileName, 1));
                }

                return $contents;
        }


        /**
         * Loads PHPExcel from file
         *
         * @param       string          $pFilename
         * @throws      PHPExcel_Reader_Exception
         */
        public function load($pFilename)
        {
                // Check if file exists
                if (!file_exists($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
                }

                // Initialisations
                $excel = new PHPExcel;
                $excel->removeSheetByIndex(0);
                if (!$this->_readDataOnly) {
                        $excel->removeCellStyleXfByIndex(0); // remove the default style
                        $excel->removeCellXfByIndex(0); // remove the default style
                }
                $zip = new ZipArchive;
                $zip->open($pFilename);

                //      Read the theme first, because we need the colour scheme when reading the styles
                $wbRels = simplexml_load_string($this->_getFromZipArchive($zip, "xl/_rels/workbook.xml.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                foreach ($wbRels->Relationship as $rel) {
                        switch ($rel["Type"]) {
                                case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme":
                                        $themeOrderArray = array('lt1','dk1','lt2','dk2');
                                        $themeOrderAdditional = count($themeOrderArray);

                                        $xmlTheme = simplexml_load_string($this->_getFromZipArchive($zip, "xl/{$rel['Target']}"));
                                        if (is_object($xmlTheme)) {
                                                $xmlThemeName = $xmlTheme->attributes();
                                                $xmlTheme = $xmlTheme->children("http://schemas.openxmlformats.org/drawingml/2006/main");
                                                $themeName = (string)$xmlThemeName['name'];

                                                $colourScheme = $xmlTheme->themeElements->clrScheme->attributes();
                                                $colourSchemeName = (string)$colourScheme['name'];
                                                $colourScheme = $xmlTheme->themeElements->clrScheme->children("http://schemas.openxmlformats.org/drawingml/2006/main");

                                                $themeColours = array();
                                                foreach ($colourScheme as $k => $xmlColour) {
                                                        $themePos = array_search($k,$themeOrderArray);
                                                        if ($themePos === false) {
                                                                $themePos = $themeOrderAdditional++;
                                                        }
                                                        if (isset($xmlColour->sysClr)) {
                                                                $xmlColourData = $xmlColour->sysClr->attributes();
                                                                $themeColours[$themePos] = $xmlColourData['lastClr'];
                                                        } elseif (isset($xmlColour->srgbClr)) {
                                                                $xmlColourData = $xmlColour->srgbClr->attributes();
                                                                $themeColours[$themePos] = $xmlColourData['val'];
                                                        }
                                                }
                                                self::$_theme = new PHPExcel_Reader_Excel2007_Theme($themeName,$colourSchemeName,$themeColours);
                                        }
                                        break;
                        }
                }

                $rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                foreach ($rels->Relationship as $rel) {
                        switch ($rel["Type"]) {
                                case "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties":
                                        $xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
                                        if (is_object($xmlCore)) {
                                                $xmlCore->registerXPathNamespace("dc", "http://purl.org/dc/elements/1.1/");
                                                $xmlCore->registerXPathNamespace("dcterms", "http://purl.org/dc/terms/");
                                                $xmlCore->registerXPathNamespace("cp", "http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
                                                $docProps = $excel->getProperties();
                                                $docProps->setCreator((string) self::array_item($xmlCore->xpath("dc:creator")));
                                                $docProps->setLastModifiedBy((string) self::array_item($xmlCore->xpath("cp:lastModifiedBy")));
                                                $docProps->setCreated(strtotime(self::array_item($xmlCore->xpath("dcterms:created")))); //! respect xsi:type
                                                $docProps->setModified(strtotime(self::array_item($xmlCore->xpath("dcterms:modified")))); //! respect xsi:type
                                                $docProps->setTitle((string) self::array_item($xmlCore->xpath("dc:title")));
                                                $docProps->setDescription((string) self::array_item($xmlCore->xpath("dc:description")));
                                                $docProps->setSubject((string) self::array_item($xmlCore->xpath("dc:subject")));
                                                $docProps->setKeywords((string) self::array_item($xmlCore->xpath("cp:keywords")));
                                                $docProps->setCategory((string) self::array_item($xmlCore->xpath("cp:category")));
                                        }
                                break;

                                case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties":
                                        $xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
                                        if (is_object($xmlCore)) {
                                                $docProps = $excel->getProperties();
                                                if (isset($xmlCore->Company))
                                                        $docProps->setCompany((string) $xmlCore->Company);
                                                if (isset($xmlCore->Manager))
                                                        $docProps->setManager((string) $xmlCore->Manager);
                                        }
                                break;

                                case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties":
                                        $xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
                                        if (is_object($xmlCore)) {
                                                $docProps = $excel->getProperties();
                                                foreach ($xmlCore as $xmlProperty) {
                                                        $cellDataOfficeAttributes = $xmlProperty->attributes();
                                                        if (isset($cellDataOfficeAttributes['name'])) {
                                                                $propertyName = (string) $cellDataOfficeAttributes['name'];
                                                                $cellDataOfficeChildren = $xmlProperty->children('http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');
                                                                $attributeType = $cellDataOfficeChildren->getName();
                                                                $attributeValue = (string) $cellDataOfficeChildren->{$attributeType};
                                                                $attributeValue = PHPExcel_DocumentProperties::convertProperty($attributeValue,$attributeType);
                                                                $attributeType = PHPExcel_DocumentProperties::convertPropertyType($attributeType);
                                                                $docProps->setCustomProperty($propertyName,$attributeValue,$attributeType);
                                                        }
                                                }
                                        }
                                break;

                                case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
                                        $dir = dirname($rel["Target"]);
                                        $relsWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/_rels/" . basename($rel["Target"]) . ".rels"));  //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                        $relsWorkbook->registerXPathNamespace("rel", "http://schemas.openxmlformats.org/package/2006/relationships");

                                        $sharedStrings = array();
                                        $xpath = self::array_item($relsWorkbook->xpath("rel:Relationship[@Type='http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings']"));
                                        $xmlStrings = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$xpath[Target]"));  //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
                                        if (isset($xmlStrings) && isset($xmlStrings->si)) {
                                                foreach ($xmlStrings->si as $val) {
                                                        if (isset($val->t)) {
                                                                $sharedStrings[] = PHPExcel_Shared_String::ControlCharacterOOXML2PHP( (string) $val->t );
                                                        } elseif (isset($val->r)) {
                                                                $sharedStrings[] = $this->_parseRichText($val);
                                                        }
                                                }
                                        }

                                        $worksheets = array();
                                        foreach ($relsWorkbook->Relationship as $ele) {
                                                if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet") {
                                                        $worksheets[(string) $ele["Id"]] = $ele["Target"];
                                                }
                                        }

                                        $styles         = array();
                                        $cellStyles = array();
                                        $xpath = self::array_item($relsWorkbook->xpath("rel:Relationship[@Type='http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles']"));
                                        $xmlStyles = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$xpath[Target]")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
                                        $numFmts = null;
                                        if ($xmlStyles && $xmlStyles->numFmts[0]) {
                                                $numFmts = $xmlStyles->numFmts[0];
                                        }
                                        if (isset($numFmts) && ($numFmts !== NULL)) {
                                                $numFmts->registerXPathNamespace("sml", "http://schemas.openxmlformats.org/spreadsheetml/2006/main");
                                        }
                                        if (!$this->_readDataOnly && $xmlStyles) {
                                                foreach ($xmlStyles->cellXfs->xf as $xf) {
                                                        $numFmt = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;

                                                        if ($xf["numFmtId"]) {
                                                                if (isset($numFmts)) {
                                                                        $tmpNumFmt = self::array_item($numFmts->xpath("sml:numFmt[@numFmtId=$xf[numFmtId]]"));

                                                                        if (isset($tmpNumFmt["formatCode"])) {
                                                                                $numFmt = (string) $tmpNumFmt["formatCode"];
                                                                        }
                                                                }

                                                                if ((int)$xf["numFmtId"] < 164) {
                                                                        $numFmt = PHPExcel_Style_NumberFormat::builtInFormatCode((int)$xf["numFmtId"]);
                                                                }
                                                        }
                                                        //$numFmt = str_replace('mm', 'i', $numFmt);
                                                        //$numFmt = str_replace('h', 'H', $numFmt);

                                                        $style = (object) array(
                                                                "numFmt" => $numFmt,
                                                                "font" => $xmlStyles->fonts->font[intval($xf["fontId"])],
                                                                "fill" => $xmlStyles->fills->fill[intval($xf["fillId"])],
                                                                "border" => $xmlStyles->borders->border[intval($xf["borderId"])],
                                                                "alignment" => $xf->alignment,
                                                                "protection" => $xf->protection,
                                                        );
                                                        $styles[] = $style;

                                                        // add style to cellXf collection
                                                        $objStyle = new PHPExcel_Style;
                                                        self::_readStyle($objStyle, $style);
                                                        $excel->addCellXf($objStyle);
                                                }

                                                foreach ($xmlStyles->cellStyleXfs->xf as $xf) {
                                                        $numFmt = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
                                                        if ($numFmts && $xf["numFmtId"]) {
                                                                $tmpNumFmt = self::array_item($numFmts->xpath("sml:numFmt[@numFmtId=$xf[numFmtId]]"));
                                                                if (isset($tmpNumFmt["formatCode"])) {
                                                                        $numFmt = (string) $tmpNumFmt["formatCode"];
                                                                } else if ((int)$xf["numFmtId"] < 165) {
                                                                        $numFmt = PHPExcel_Style_NumberFormat::builtInFormatCode((int)$xf["numFmtId"]);
                                                                }
                                                        }

                                                        $cellStyle = (object) array(
                                                                "numFmt" => $numFmt,
                                                                "font" => $xmlStyles->fonts->font[intval($xf["fontId"])],
                                                                "fill" => $xmlStyles->fills->fill[intval($xf["fillId"])],
                                                                "border" => $xmlStyles->borders->border[intval($xf["borderId"])],
                                                                "alignment" => $xf->alignment,
                                                                "protection" => $xf->protection,
                                                        );
                                                        $cellStyles[] = $cellStyle;

                                                        // add style to cellStyleXf collection
                                                        $objStyle = new PHPExcel_Style;
                                                        self::_readStyle($objStyle, $cellStyle);
                                                        $excel->addCellStyleXf($objStyle);
                                                }
                                        }

                                        $dxfs = array();
                                        if (!$this->_readDataOnly && $xmlStyles) {
                                                //      Conditional Styles
                                                if ($xmlStyles->dxfs) {
                                                        foreach ($xmlStyles->dxfs->dxf as $dxf) {
                                                                $style = new PHPExcel_Style(FALSE, TRUE);
                                                                self::_readStyle($style, $dxf);
                                                                $dxfs[] = $style;
                                                        }
                                                }
                                                //      Cell Styles
                                                if ($xmlStyles->cellStyles) {
                                                        foreach ($xmlStyles->cellStyles->cellStyle as $cellStyle) {
                                                                if (intval($cellStyle['builtinId']) == 0) {
                                                                        if (isset($cellStyles[intval($cellStyle['xfId'])])) {
                                                                                // Set default style
                                                                                $style = new PHPExcel_Style;
                                                                                self::_readStyle($style, $cellStyles[intval($cellStyle['xfId'])]);

                                                                                // normal style, currently not using it for anything
                                                                        }
                                                                }
                                                        }
                                                }
                                        }

                                        $xmlWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));  //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");

                                        // Set base date
                                        if ($xmlWorkbook->workbookPr) {
                                                PHPExcel_Shared_Date::setExcelCalendar(PHPExcel_Shared_Date::CALENDAR_WINDOWS_1900);
                                                if (isset($xmlWorkbook->workbookPr['date1904'])) {
                                                        if (self::boolean((string) $xmlWorkbook->workbookPr['date1904'])) {
                                                                PHPExcel_Shared_Date::setExcelCalendar(PHPExcel_Shared_Date::CALENDAR_MAC_1904);
                                                        }
                                                }
                                        }

                                        $sheetId = 0; // keep track of new sheet id in final workbook
                                        $oldSheetId = -1; // keep track of old sheet id in final workbook
                                        $countSkippedSheets = 0; // keep track of number of skipped sheets
                                        $mapSheetId = array(); // mapping of sheet ids from old to new


                                        $charts = $chartDetails = array();

                                        if ($xmlWorkbook->sheets) {
                                                foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
                                                        ++$oldSheetId;

                                                        // Check if sheet should be skipped
                                                        if (isset($this->_loadSheetsOnly) && !in_array((string) $eleSheet["name"], $this->_loadSheetsOnly)) {
                                                                ++$countSkippedSheets;
                                                                $mapSheetId[$oldSheetId] = null;
                                                                continue;
                                                        }

                                                        // Map old sheet id in original workbook to new sheet id.
                                                        // They will differ if loadSheetsOnly() is being used
                                                        $mapSheetId[$oldSheetId] = $oldSheetId - $countSkippedSheets;

                                                        // Load sheet
                                                        $docSheet = $excel->createSheet();
                                                        //      Use false for $updateFormulaCellReferences to prevent adjustment of worksheet
                                                        //              references in formula cells... during the load, all formulae should be correct,
                                                        //              and we're simply bringing the worksheet name in line with the formula, not the
                                                        //              reverse
                                                        $docSheet->setTitle((string) $eleSheet["name"],false);
                                                        $fileWorksheet = $worksheets[(string) self::array_item($eleSheet->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];
                                                        $xmlSheet = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$fileWorksheet"));  //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");

                                                        $sharedFormulas = array();

                                                        if (isset($eleSheet["state"]) && (string) $eleSheet["state"] != '') {
                                                                $docSheet->setSheetState( (string) $eleSheet["state"] );
                                                        }

                                                        if (isset($xmlSheet->sheetViews) && isset($xmlSheet->sheetViews->sheetView)) {
                                                            if (isset($xmlSheet->sheetViews->sheetView['zoomScale'])) {
                                                                    $docSheet->getSheetView()->setZoomScale( intval($xmlSheet->sheetViews->sheetView['zoomScale']) );
                                                                }

                                                            if (isset($xmlSheet->sheetViews->sheetView['zoomScaleNormal'])) {
                                                                    $docSheet->getSheetView()->setZoomScaleNormal( intval($xmlSheet->sheetViews->sheetView['zoomScaleNormal']) );
                                                                }

                                                            if (isset($xmlSheet->sheetViews->sheetView['view'])) {
                                                                    $docSheet->getSheetView()->setView((string) $xmlSheet->sheetViews->sheetView['view']);
                                                                }

                                                                if (isset($xmlSheet->sheetViews->sheetView['showGridLines'])) {
                                                                        $docSheet->setShowGridLines(self::boolean((string)$xmlSheet->sheetViews->sheetView['showGridLines']));
                                                                }

                                                                if (isset($xmlSheet->sheetViews->sheetView['showRowColHeaders'])) {
                                                                        $docSheet->setShowRowColHeaders(self::boolean((string)$xmlSheet->sheetViews->sheetView['showRowColHeaders']));
                                                                }

                                                                if (isset($xmlSheet->sheetViews->sheetView['rightToLeft'])) {
                                                                        $docSheet->setRightToLeft(self::boolean((string)$xmlSheet->sheetViews->sheetView['rightToLeft']));
                                                                }

                                                                if (isset($xmlSheet->sheetViews->sheetView->pane)) {
                                                                    if (isset($xmlSheet->sheetViews->sheetView->pane['topLeftCell'])) {
                                                                        $docSheet->freezePane( (string)$xmlSheet->sheetViews->sheetView->pane['topLeftCell'] );
                                                                    } else {
                                                                        $xSplit = 0;
                                                                        $ySplit = 0;

                                                                        if (isset($xmlSheet->sheetViews->sheetView->pane['xSplit'])) {
                                                                            $xSplit = 1 + intval($xmlSheet->sheetViews->sheetView->pane['xSplit']);
                                                                        }

                                                                        if (isset($xmlSheet->sheetViews->sheetView->pane['ySplit'])) {
                                                                            $ySplit = 1 + intval($xmlSheet->sheetViews->sheetView->pane['ySplit']);
                                                                        }

                                                                        $docSheet->freezePaneByColumnAndRow($xSplit, $ySplit);
                                                                    }
                                                                }

                                                                if (isset($xmlSheet->sheetViews->sheetView->selection)) {
                                                                        if (isset($xmlSheet->sheetViews->sheetView->selection['sqref'])) {
                                                                                $sqref = (string)$xmlSheet->sheetViews->sheetView->selection['sqref'];
                                                                                $sqref = explode(' ', $sqref);
                                                                                $sqref = $sqref[0];
                                                                                $docSheet->setSelectedCells($sqref);
                                                                        }
                                                                }

                                                        }

                                                        if (isset($xmlSheet->sheetPr) && isset($xmlSheet->sheetPr->tabColor)) {
                                                                if (isset($xmlSheet->sheetPr->tabColor['rgb'])) {
                                                                        $docSheet->getTabColor()->setARGB( (string)$xmlSheet->sheetPr->tabColor['rgb'] );
                                                                }
                                                        }

                                                        if (isset($xmlSheet->sheetPr) && isset($xmlSheet->sheetPr->outlinePr)) {
                                                                if (isset($xmlSheet->sheetPr->outlinePr['summaryRight']) &&
                                                                        !self::boolean((string) $xmlSheet->sheetPr->outlinePr['summaryRight'])) {
                                                                        $docSheet->setShowSummaryRight(FALSE);
                                                                } else {
                                                                        $docSheet->setShowSummaryRight(TRUE);
                                                                }

                                                                if (isset($xmlSheet->sheetPr->outlinePr['summaryBelow']) &&
                                                                        !self::boolean((string) $xmlSheet->sheetPr->outlinePr['summaryBelow'])) {
                                                                        $docSheet->setShowSummaryBelow(FALSE);
                                                                } else {
                                                                        $docSheet->setShowSummaryBelow(TRUE);
                                                                }
                                                        }

                                                        if (isset($xmlSheet->sheetPr) && isset($xmlSheet->sheetPr->pageSetUpPr)) {
                                                                if (isset($xmlSheet->sheetPr->pageSetUpPr['fitToPage']) &&
                                                                        !self::boolean((string) $xmlSheet->sheetPr->pageSetUpPr['fitToPage'])) {
                                                                        $docSheet->getPageSetup()->setFitToPage(FALSE);
                                                                } else {
                                                                        $docSheet->getPageSetup()->setFitToPage(TRUE);
                                                                }
                                                        }

                                                        if (isset($xmlSheet->sheetFormatPr)) {
                                                                if (isset($xmlSheet->sheetFormatPr['customHeight']) &&
                                                                        self::boolean((string) $xmlSheet->sheetFormatPr['customHeight']) &&
                                                                        isset($xmlSheet->sheetFormatPr['defaultRowHeight'])) {
                                                                        $docSheet->getDefaultRowDimension()->setRowHeight( (float)$xmlSheet->sheetFormatPr['defaultRowHeight'] );
                                                                }
                                                                if (isset($xmlSheet->sheetFormatPr['defaultColWidth'])) {
                                                                        $docSheet->getDefaultColumnDimension()->setWidth( (float)$xmlSheet->sheetFormatPr['defaultColWidth'] );
                                                                }
                                                                if (isset($xmlSheet->sheetFormatPr['zeroHeight']) &&
                                                                        ((string)$xmlSheet->sheetFormatPr['zeroHeight'] == '1')) {
                                                                        $docSheet->getDefaultRowDimension()->setzeroHeight(true);
                                                                }
                                                        }

                                                        if (isset($xmlSheet->cols) && !$this->_readDataOnly) {
                                                                foreach ($xmlSheet->cols->col as $col) {
                                                                        for ($i = intval($col["min"]) - 1; $i < intval($col["max"]); ++$i) {
                                                                                if ($col["style"] && !$this->_readDataOnly) {
                                                                                        $docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setXfIndex(intval($col["style"]));
                                                                                }
                                                                                if (self::boolean($col["bestFit"])) {
                                                                                        //$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setAutoSize(TRUE);
                                                                                }
                                                                                if (self::boolean($col["hidden"])) {
                                                                                        $docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setVisible(FALSE);
                                                                                }
                                                                                if (self::boolean($col["collapsed"])) {
                                                                                        $docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setCollapsed(TRUE);
                                                                                }
                                                                                if ($col["outlineLevel"] > 0) {
                                                                                        $docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setOutlineLevel(intval($col["outlineLevel"]));
                                                                                }
                                                                                $docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setWidth(floatval($col["width"]));

                                                                                if (intval($col["max"]) == 16384) {
                                                                                        break;
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                        if (isset($xmlSheet->printOptions) && !$this->_readDataOnly) {
                                                                if (self::boolean((string) $xmlSheet->printOptions['gridLinesSet'])) {
                                                                        $docSheet->setShowGridlines(TRUE);
                                                                }

                                                                if (self::boolean((string) $xmlSheet->printOptions['gridLines'])) {
                                                                        $docSheet->setPrintGridlines(TRUE);
                                                                }

                                                                if (self::boolean((string) $xmlSheet->printOptions['horizontalCentered'])) {
                                                                        $docSheet->getPageSetup()->setHorizontalCentered(TRUE);
                                                                }
                                                                if (self::boolean((string) $xmlSheet->printOptions['verticalCentered'])) {
                                                                        $docSheet->getPageSetup()->setVerticalCentered(TRUE);
                                                                }
                                                        }

                                                        if ($xmlSheet && $xmlSheet->sheetData && $xmlSheet->sheetData->row) {
                                                                foreach ($xmlSheet->sheetData->row as $row) {
                                                                        if ($row["ht"] && !$this->_readDataOnly) {
                                                                                $docSheet->getRowDimension(intval($row["r"]))->setRowHeight(floatval($row["ht"]));
                                                                        }
                                                                        if (self::boolean($row["hidden"]) && !$this->_readDataOnly) {
                                                                                $docSheet->getRowDimension(intval($row["r"]))->setVisible(FALSE);
                                                                        }
                                                                        if (self::boolean($row["collapsed"])) {
                                                                                $docSheet->getRowDimension(intval($row["r"]))->setCollapsed(TRUE);
                                                                        }
                                                                        if ($row["outlineLevel"] > 0) {
                                                                                $docSheet->getRowDimension(intval($row["r"]))->setOutlineLevel(intval($row["outlineLevel"]));
                                                                        }
                                                                        if ($row["s"] && !$this->_readDataOnly) {
                                                                                $docSheet->getRowDimension(intval($row["r"]))->setXfIndex(intval($row["s"]));
                                                                        }

                                                                        foreach ($row->c as $c) {
                                                                                $r                                      = (string) $c["r"];
                                                                                $cellDataType           = (string) $c["t"];
                                                                                $value                          = null;
                                                                                $calculatedValue        = null;

                                                                                // Read cell?
                                                                                if ($this->getReadFilter() !== NULL) {
                                                                                        $coordinates = PHPExcel_Cell::coordinateFromString($r);

                                                                                        if (!$this->getReadFilter()->readCell($coordinates[0], $coordinates[1], $docSheet->getTitle())) {
                                                                                                continue;
                                                                                        }
                                                                                }

        //                                                                      echo '<b>Reading cell '.$coordinates[0].$coordinates[1].'</b><br />';
        //                                                                      print_r($c);
        //                                                                      echo '<br />';
        //                                                                      echo 'Cell Data Type is '.$cellDataType.': ';
        //
                                                                                // Read cell!
                                                                                switch ($cellDataType) {
                                                                                        case "s":
        //                                                                                      echo 'String<br />';
                                                                                                if ((string)$c->v != '') {
                                                                                                        $value = $sharedStrings[intval($c->v)];

                                                                                                        if ($value instanceof PHPExcel_RichText) {
                                                                                                                $value = clone $value;
                                                                                                        }
                                                                                                } else {
                                                                                                        $value = '';
                                                                                                }

                                                                                                break;
                                                                                        case "b":
        //                                                                                      echo 'Boolean<br />';
                                                                                                if (!isset($c->f)) {
                                                                                                        $value = self::_castToBool($c);
                                                                                                } else {
                                                                                                        // Formula
                                                                                                        $this->_castToFormula($c,$r,$cellDataType,$value,$calculatedValue,$sharedFormulas,'_castToBool');
                                                                                                        if (isset($c->f['t'])) {
                                                                                                                $att = array();
                                                                                                                $att = $c->f;
                                                                                                                $docSheet->getCell($r)->setFormulaAttributes($att);
                                                                                                        }
        //                                                                                              echo '$calculatedValue = '.$calculatedValue.'<br />';
                                                                                                }
                                                                                                break;
                                                                                        case "inlineStr":
        //                                                                                      echo 'Inline String<br />';
                                                                                                $value = $this->_parseRichText($c->is);

                                                                                                break;
                                                                                        case "e":
        //                                                                                      echo 'Error<br />';
                                                                                                if (!isset($c->f)) {
                                                                                                        $value = self::_castToError($c);
                                                                                                } else {
                                                                                                        // Formula
                                                                                                        $this->_castToFormula($c,$r,$cellDataType,$value,$calculatedValue,$sharedFormulas,'_castToError');
        //                                                                                              echo '$calculatedValue = '.$calculatedValue.'<br />';
                                                                                                }

                                                                                                break;

                                                                                        default:
        //                                                                                      echo 'Default<br />';
                                                                                                if (!isset($c->f)) {
        //                                                                                              echo 'Not a Formula<br />';
                                                                                                        $value = self::_castToString($c);
                                                                                                } else {
        //                                                                                              echo 'Treat as Formula<br />';
                                                                                                        // Formula
                                                                                                        $this->_castToFormula($c,$r,$cellDataType,$value,$calculatedValue,$sharedFormulas,'_castToString');
        //                                                                                              echo '$calculatedValue = '.$calculatedValue.'<br />';
                                                                                                }

                                                                                                break;
                                                                                }
        //                                                                      echo 'Value is '.$value.'<br />';

                                                                                // Check for numeric values
                                                                                if (is_numeric($value) && $cellDataType != 's') {
                                                                                        if ($value == (int)$value) $value = (int)$value;
                                                                                        elseif ($value == (float)$value) $value = (float)$value;
                                                                                        elseif ($value == (double)$value) $value = (double)$value;
                                                                                }

                                                                                // Rich text?
                                                                                if ($value instanceof PHPExcel_RichText && $this->_readDataOnly) {
                                                                                        $value = $value->getPlainText();
                                                                                }

                                                                                $cell = $docSheet->getCell($r);
                                                                                // Assign value
                                                                                if ($cellDataType != '') {
                                                                                        $cell->setValueExplicit($value, $cellDataType);
                                                                                } else {
                                                                                        $cell->setValue($value);
                                                                                }
                                                                                if ($calculatedValue !== NULL) {
                                                                                        $cell->setCalculatedValue($calculatedValue);
                                                                                }

                                                                                // Style information?
                                                                                if ($c["s"] && !$this->_readDataOnly) {
                                                                                        // no style index means 0, it seems
                                                                                        $cell->setXfIndex(isset($styles[intval($c["s"])]) ?
                                                                                                intval($c["s"]) : 0);
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                        $conditionals = array();
                                                        if (!$this->_readDataOnly && $xmlSheet && $xmlSheet->conditionalFormatting) {
                                                                foreach ($xmlSheet->conditionalFormatting as $conditional) {
                                                                        foreach ($conditional->cfRule as $cfRule) {
                                                                                if (
                                                                                        (
                                                                                                (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_NONE ||
                                                                                                (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_CELLIS ||
                                                                                                (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_CONTAINSTEXT ||
                                                                                                (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_EXPRESSION
                                                                                        ) && isset($dxfs[intval($cfRule["dxfId"])])
                                                                                ) {
                                                                                        $conditionals[(string) $conditional["sqref"]][intval($cfRule["priority"])] = $cfRule;
                                                                                }
                                                                        }
                                                                }

                                                                foreach ($conditionals as $ref => $cfRules) {
                                                                        ksort($cfRules);
                                                                        $conditionalStyles = array();
                                                                        foreach ($cfRules as $cfRule) {
                                                                                $objConditional = new PHPExcel_Style_Conditional();
                                                                                $objConditional->setConditionType((string)$cfRule["type"]);
                                                                                $objConditional->setOperatorType((string)$cfRule["operator"]);

                                                                                if ((string)$cfRule["text"] != '') {
                                                                                        $objConditional->setText((string)$cfRule["text"]);
                                                                                }

                                                                                if (count($cfRule->formula) > 1) {
                                                                                        foreach ($cfRule->formula as $formula) {
                                                                                                $objConditional->addCondition((string)$formula);
                                                                                        }
                                                                                } else {
                                                                                        $objConditional->addCondition((string)$cfRule->formula);
                                                                                }
                                                                                $objConditional->setStyle(clone $dxfs[intval($cfRule["dxfId"])]);
                                                                                $conditionalStyles[] = $objConditional;
                                                                        }

                                                                        // Extract all cell references in $ref
                                                                        $aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($ref);
                                                                        foreach ($aReferences as $reference) {
                                                                                $docSheet->getStyle($reference)->setConditionalStyles($conditionalStyles);
                                                                        }
                                                                }
                                                        }

                                                        $aKeys = array("sheet", "objects", "scenarios", "formatCells", "formatColumns", "formatRows", "insertColumns", "insertRows", "insertHyperlinks", "deleteColumns", "deleteRows", "selectLockedCells", "sort", "autoFilter", "pivotTables", "selectUnlockedCells");
                                                        if (!$this->_readDataOnly && $xmlSheet && $xmlSheet->sheetProtection) {
                                                                foreach ($aKeys as $key) {
                                                                        $method = "set" . ucfirst($key);
                                                                        $docSheet->getProtection()->$method(self::boolean((string) $xmlSheet->sheetProtection[$key]));
                                                                }
                                                        }

                                                        if (!$this->_readDataOnly && $xmlSheet && $xmlSheet->sheetProtection) {
                                                                $docSheet->getProtection()->setPassword((string) $xmlSheet->sheetProtection["password"], TRUE);
                                                                if ($xmlSheet->protectedRanges->protectedRange) {
                                                                        foreach ($xmlSheet->protectedRanges->protectedRange as $protectedRange) {
                                                                                $docSheet->protectCells((string) $protectedRange["sqref"], (string) $protectedRange["password"], true);
                                                                        }
                                                                }
                                                        }

                                                        if ($xmlSheet && $xmlSheet->autoFilter && !$this->_readDataOnly) {
                                                                $autoFilter = $docSheet->getAutoFilter();
                                                                $autoFilter->setRange((string) $xmlSheet->autoFilter["ref"]);
                                                                foreach ($xmlSheet->autoFilter->filterColumn as $filterColumn) {
                                                                        $column = $autoFilter->getColumnByOffset((integer) $filterColumn["colId"]);
                                                                        //      Check for standard filters
                                                                        if ($filterColumn->filters) {
                                                                                $column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_FILTER);
                                                                                $filters = $filterColumn->filters;
                                                                                if ((isset($filters["blank"])) && ($filters["blank"] == 1)) {
                                                                                        $column->createRule()->setRule(
                                                                                                NULL,   //      Operator is undefined, but always treated as EQUAL
                                                                                                ''
                                                                                        )
                                                                                        ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_FILTER);
                                                                                }
                                                                                //      Standard filters are always an OR join, so no join rule needs to be set
                                                                                //      Entries can be either filter elements
                                                                                foreach ($filters->filter as $filterRule) {
                                                                                        $column->createRule()->setRule(
                                                                                                NULL,   //      Operator is undefined, but always treated as EQUAL
                                                                                                (string) $filterRule["val"]
                                                                                        )
                                                                                        ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_FILTER);
                                                                                }
                                                                                //      Or Date Group elements
                                                                                foreach ($filters->dateGroupItem as $dateGroupItem) {
                                                                                        $column->createRule()->setRule(
                                                                                                NULL,   //      Operator is undefined, but always treated as EQUAL
                                                                                                array(
                                                                                                        'year' => (string) $dateGroupItem["year"],
                                                                                                        'month' => (string) $dateGroupItem["month"],
                                                                                                        'day' => (string) $dateGroupItem["day"],
                                                                                                        'hour' => (string) $dateGroupItem["hour"],
                                                                                                        'minute' => (string) $dateGroupItem["minute"],
                                                                                                        'second' => (string) $dateGroupItem["second"],
                                                                                                ),
                                                                                                (string) $dateGroupItem["dateTimeGrouping"]
                                                                                        )
                                                                                        ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP);
                                                                                }
                                                                        }
                                                                        //      Check for custom filters
                                                                        if ($filterColumn->customFilters) {
                                                                                $column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_CUSTOMFILTER);
                                                                                $customFilters = $filterColumn->customFilters;
                                                                                //      Custom filters can an AND or an OR join;
                                                                                //              and there should only ever be one or two entries
                                                                                if ((isset($customFilters["and"])) && ($customFilters["and"] == 1)) {
                                                                                        $column->setJoin(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_AND);
                                                                                }
                                                                                foreach ($customFilters->customFilter as $filterRule) {
                                                                                        $column->createRule()->setRule(
                                                                                                (string) $filterRule["operator"],
                                                                                                (string) $filterRule["val"]
                                                                                        )
                                                                                        ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_CUSTOMFILTER);
                                                                                }
                                                                        }
                                                                        //      Check for dynamic filters
                                                                        if ($filterColumn->dynamicFilter) {
                                                                                $column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_DYNAMICFILTER);
                                                                                //      We should only ever have one dynamic filter
                                                                                foreach ($filterColumn->dynamicFilter as $filterRule) {
                                                                                        $column->createRule()->setRule(
                                                                                                NULL,   //      Operator is undefined, but always treated as EQUAL
                                                                                                (string) $filterRule["val"],
                                                                                                (string) $filterRule["type"]
                                                                                        )
                                                                                        ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMICFILTER);
                                                                                        if (isset($filterRule["val"])) {
                                                                                                $column->setAttribute('val',(string) $filterRule["val"]);
                                                                                        }
                                                                                        if (isset($filterRule["maxVal"])) {
                                                                                                $column->setAttribute('maxVal',(string) $filterRule["maxVal"]);
                                                                                        }
                                                                                }
                                                                        }
                                                                        //      Check for dynamic filters
                                                                        if ($filterColumn->top10) {
                                                                                $column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_TOPTENFILTER);
                                                                                //      We should only ever have one top10 filter
                                                                                foreach ($filterColumn->top10 as $filterRule) {
                                                                                        $column->createRule()->setRule(
                                                                                                (((isset($filterRule["percent"])) && ($filterRule["percent"] == 1))
                                                                                                        ? PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_PERCENT
                                                                                                        : PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_BY_VALUE
                                                                                                ),
                                                                                                (string) $filterRule["val"],
                                                                                                (((isset($filterRule["top"])) && ($filterRule["top"] == 1))
                                                                                                        ? PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_TOP
                                                                                                        : PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_BOTTOM
                                                                                                )
                                                                                        )
                                                                                        ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_TOPTENFILTER);
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                        if ($xmlSheet && $xmlSheet->mergeCells && $xmlSheet->mergeCells->mergeCell && !$this->_readDataOnly) {
                                                                foreach ($xmlSheet->mergeCells->mergeCell as $mergeCell) {
                                                                        $mergeRef = (string) $mergeCell["ref"];
                                                                        if (strpos($mergeRef,':') !== FALSE) {
                                                                                $docSheet->mergeCells((string) $mergeCell["ref"]);
                                                                        }
                                                                }
                                                        }

                                                        if ($xmlSheet && $xmlSheet->pageMargins && !$this->_readDataOnly) {
                                                                $docPageMargins = $docSheet->getPageMargins();
                                                                $docPageMargins->setLeft(floatval($xmlSheet->pageMargins["left"]));
                                                                $docPageMargins->setRight(floatval($xmlSheet->pageMargins["right"]));
                                                                $docPageMargins->setTop(floatval($xmlSheet->pageMargins["top"]));
                                                                $docPageMargins->setBottom(floatval($xmlSheet->pageMargins["bottom"]));
                                                                $docPageMargins->setHeader(floatval($xmlSheet->pageMargins["header"]));
                                                                $docPageMargins->setFooter(floatval($xmlSheet->pageMargins["footer"]));
                                                        }

                                                        if ($xmlSheet && $xmlSheet->pageSetup && !$this->_readDataOnly) {
                                                                $docPageSetup = $docSheet->getPageSetup();

                                                                if (isset($xmlSheet->pageSetup["orientation"])) {
                                                                        $docPageSetup->setOrientation((string) $xmlSheet->pageSetup["orientation"]);
                                                                }
                                                                if (isset($xmlSheet->pageSetup["paperSize"])) {
                                                                        $docPageSetup->setPaperSize(intval($xmlSheet->pageSetup["paperSize"]));
                                                                }
                                                                if (isset($xmlSheet->pageSetup["scale"])) {
                                                                        $docPageSetup->setScale(intval($xmlSheet->pageSetup["scale"]), FALSE);
                                                                }
                                                                if (isset($xmlSheet->pageSetup["fitToHeight"]) && intval($xmlSheet->pageSetup["fitToHeight"]) >= 0) {
                                                                        $docPageSetup->setFitToHeight(intval($xmlSheet->pageSetup["fitToHeight"]), FALSE);
                                                                }
                                                                if (isset($xmlSheet->pageSetup["fitToWidth"]) && intval($xmlSheet->pageSetup["fitToWidth"]) >= 0) {
                                                                        $docPageSetup->setFitToWidth(intval($xmlSheet->pageSetup["fitToWidth"]), FALSE);
                                                                }
                                                                if (isset($xmlSheet->pageSetup["firstPageNumber"]) && isset($xmlSheet->pageSetup["useFirstPageNumber"]) &&
                                                                        self::boolean((string) $xmlSheet->pageSetup["useFirstPageNumber"])) {
                                                                        $docPageSetup->setFirstPageNumber(intval($xmlSheet->pageSetup["firstPageNumber"]));
                                                                }
                                                        }

                                                        if ($xmlSheet && $xmlSheet->headerFooter && !$this->_readDataOnly) {
                                                                $docHeaderFooter = $docSheet->getHeaderFooter();

                                                                if (isset($xmlSheet->headerFooter["differentOddEven"]) &&
                                                                        self::boolean((string)$xmlSheet->headerFooter["differentOddEven"])) {
                                                                        $docHeaderFooter->setDifferentOddEven(TRUE);
                                                                } else {
                                                                        $docHeaderFooter->setDifferentOddEven(FALSE);
                                                                }
                                                                if (isset($xmlSheet->headerFooter["differentFirst"]) &&
                                                                        self::boolean((string)$xmlSheet->headerFooter["differentFirst"])) {
                                                                        $docHeaderFooter->setDifferentFirst(TRUE);
                                                                } else {
                                                                        $docHeaderFooter->setDifferentFirst(FALSE);
                                                                }
                                                                if (isset($xmlSheet->headerFooter["scaleWithDoc"]) &&
                                                                        !self::boolean((string)$xmlSheet->headerFooter["scaleWithDoc"])) {
                                                                        $docHeaderFooter->setScaleWithDocument(FALSE);
                                                                } else {
                                                                        $docHeaderFooter->setScaleWithDocument(TRUE);
                                                                }
                                                                if (isset($xmlSheet->headerFooter["alignWithMargins"]) &&
                                                                        !self::boolean((string)$xmlSheet->headerFooter["alignWithMargins"])) {
                                                                        $docHeaderFooter->setAlignWithMargins(FALSE);
                                                                } else {
                                                                        $docHeaderFooter->setAlignWithMargins(TRUE);
                                                                }

                                                                $docHeaderFooter->setOddHeader((string) $xmlSheet->headerFooter->oddHeader);
                                                                $docHeaderFooter->setOddFooter((string) $xmlSheet->headerFooter->oddFooter);
                                                                $docHeaderFooter->setEvenHeader((string) $xmlSheet->headerFooter->evenHeader);
                                                                $docHeaderFooter->setEvenFooter((string) $xmlSheet->headerFooter->evenFooter);
                                                                $docHeaderFooter->setFirstHeader((string) $xmlSheet->headerFooter->firstHeader);
                                                                $docHeaderFooter->setFirstFooter((string) $xmlSheet->headerFooter->firstFooter);
                                                        }

                                                        if ($xmlSheet && $xmlSheet->rowBreaks && $xmlSheet->rowBreaks->brk && !$this->_readDataOnly) {
                                                                foreach ($xmlSheet->rowBreaks->brk as $brk) {
                                                                        if ($brk["man"]) {
                                                                                $docSheet->setBreak("A$brk[id]", PHPExcel_Worksheet::BREAK_ROW);
                                                                        }
                                                                }
                                                        }
                                                        if ($xmlSheet && $xmlSheet->colBreaks && $xmlSheet->colBreaks->brk && !$this->_readDataOnly) {
                                                                foreach ($xmlSheet->colBreaks->brk as $brk) {
                                                                        if ($brk["man"]) {
                                                                                $docSheet->setBreak(PHPExcel_Cell::stringFromColumnIndex((string) $brk["id"]) . "1", PHPExcel_Worksheet::BREAK_COLUMN);
                                                                        }
                                                                }
                                                        }

                                                        if ($xmlSheet && $xmlSheet->dataValidations && !$this->_readDataOnly) {
                                                                foreach ($xmlSheet->dataValidations->dataValidation as $dataValidation) {
                                                                    // Uppercase coordinate
                                                                $range = strtoupper($dataValidation["sqref"]);
                                                                        $rangeSet = explode(' ',$range);
                                                                        foreach($rangeSet as $range) {
                                                                                $stRange = $docSheet->shrinkRangeToFit($range);

                                                                                // Extract all cell references in $range
                                                                                $aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($stRange);
                                                                                foreach ($aReferences as $reference) {
                                                                                        // Create validation
                                                                                        $docValidation = $docSheet->getCell($reference)->getDataValidation();
                                                                                        $docValidation->setType((string) $dataValidation["type"]);
                                                                                        $docValidation->setErrorStyle((string) $dataValidation["errorStyle"]);
                                                                                        $docValidation->setOperator((string) $dataValidation["operator"]);
                                                                                        $docValidation->setAllowBlank($dataValidation["allowBlank"] != 0);
                                                                                        $docValidation->setShowDropDown($dataValidation["showDropDown"] == 0);
                                                                                        $docValidation->setShowInputMessage($dataValidation["showInputMessage"] != 0);
                                                                                        $docValidation->setShowErrorMessage($dataValidation["showErrorMessage"] != 0);
                                                                                        $docValidation->setErrorTitle((string) $dataValidation["errorTitle"]);
                                                                                        $docValidation->setError((string) $dataValidation["error"]);
                                                                                        $docValidation->setPromptTitle((string) $dataValidation["promptTitle"]);
                                                                                        $docValidation->setPrompt((string) $dataValidation["prompt"]);
                                                                                        $docValidation->setFormula1((string) $dataValidation->formula1);
                                                                                        $docValidation->setFormula2((string) $dataValidation->formula2);
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                        // Add hyperlinks
                                                        $hyperlinks = array();
                                                        if (!$this->_readDataOnly) {
                                                                // Locate hyperlink relations
                                                                if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")) {
                                                                        $relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip,  dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels") ); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                                                        foreach ($relsWorksheet->Relationship as $ele) {
                                                                                if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink") {
                                                                                        $hyperlinks[(string)$ele["Id"]] = (string)$ele["Target"];
                                                                                }
                                                                        }
                                                                }

                                                                // Loop through hyperlinks
                                                                if ($xmlSheet && $xmlSheet->hyperlinks) {
                                                                        foreach ($xmlSheet->hyperlinks->hyperlink as $hyperlink) {
                                                                                // Link url
                                                                                $linkRel = $hyperlink->attributes('http://schemas.openxmlformats.org/officeDocument/2006/relationships');

                                                                                foreach (PHPExcel_Cell::extractAllCellReferencesInRange($hyperlink['ref']) as $cellReference) {
                                                                                        $cell = $docSheet->getCell( $cellReference );
                                                                                        if (isset($linkRel['id'])) {
                                                                                                $hyperlinkUrl = $hyperlinks[ (string)$linkRel['id'] ];
                                                                                                if (isset($hyperlink['location'])) {
                                                                                                        $hyperlinkUrl .= '#' . (string) $hyperlink['location'];
                                                                                                }
                                                                                                $cell->getHyperlink()->setUrl($hyperlinkUrl);
                                                                                        } elseif (isset($hyperlink['location'])) {
                                                                                                $cell->getHyperlink()->setUrl( 'sheet://' . (string)$hyperlink['location'] );
                                                                                        }

                                                                                        // Tooltip
                                                                                        if (isset($hyperlink['tooltip'])) {
                                                                                                $cell->getHyperlink()->setTooltip( (string)$hyperlink['tooltip'] );
                                                                                        }
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                        // Add comments
                                                        $comments = array();
                                                        $vmlComments = array();
                                                        if (!$this->_readDataOnly) {
                                                                // Locate comment relations
                                                                if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")) {
                                                                        $relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip,  dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels") ); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                                                        foreach ($relsWorksheet->Relationship as $ele) {
                                                                            if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments") {
                                                                                        $comments[(string)$ele["Id"]] = (string)$ele["Target"];
                                                                                }
                                                                            if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing") {
                                                                                        $vmlComments[(string)$ele["Id"]] = (string)$ele["Target"];
                                                                                }
                                                                        }
                                                                }

                                                                // Loop through comments
                                                                foreach ($comments as $relName => $relPath) {
                                                                        // Load comments file
                                                                        $relPath = PHPExcel_Shared_File::realpath(dirname("$dir/$fileWorksheet") . "/" . $relPath);
                                                                        $commentsFile = simplexml_load_string($this->_getFromZipArchive($zip, $relPath) );

                                                                        // Utility variables
                                                                        $authors = array();

                                                                        // Loop through authors
                                                                        foreach ($commentsFile->authors->author as $author) {
                                                                                $authors[] = (string)$author;
                                                                        }

                                                                        // Loop through contents
                                                                        foreach ($commentsFile->commentList->comment as $comment) {
                                                                                $docSheet->getComment( (string)$comment['ref'] )->setAuthor( $authors[(string)$comment['authorId']] );
                                                                                $docSheet->getComment( (string)$comment['ref'] )->setText( $this->_parseRichText($comment->text) );
                                                                        }
                                                                }

                                                                // Loop through VML comments
                                                            foreach ($vmlComments as $relName => $relPath) {
                                                                        // Load VML comments file
                                                                        $relPath = PHPExcel_Shared_File::realpath(dirname("$dir/$fileWorksheet") . "/" . $relPath);
                                                                        $vmlCommentsFile = simplexml_load_string( $this->_getFromZipArchive($zip, $relPath) );
                                                                        $vmlCommentsFile->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');

                                                                        $shapes = $vmlCommentsFile->xpath('//v:shape');
                                                                        foreach ($shapes as $shape) {
                                                                                $shape->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');

                                                                                if (isset($shape['style'])) {
                                                                                $style        = (string)$shape['style'];
                                                                                $fillColor    = strtoupper( substr( (string)$shape['fillcolor'], 1 ) );
                                                                                $column       = null;
                                                                                $row          = null;

                                                                                $clientData   = $shape->xpath('.//x:ClientData');
                                                                                if (is_array($clientData) && !empty($clientData)) {
                                                                                        $clientData   = $clientData[0];

                                                                                        if ( isset($clientData['ObjectType']) && (string)$clientData['ObjectType'] == 'Note' ) {
                                                                                            $temp = $clientData->xpath('.//x:Row');
                                                                                            if (is_array($temp)) $row = $temp[0];

                                                                                            $temp = $clientData->xpath('.//x:Column');
                                                                                            if (is_array($temp)) $column = $temp[0];
                                                                                        }
                                                                                }

                                                                                if (($column !== NULL) && ($row !== NULL)) {
                                                                                    // Set comment properties
                                                                                    $comment = $docSheet->getCommentByColumnAndRow((string) $column, $row + 1);
                                                                                    $comment->getFillColor()->setRGB( $fillColor );

                                                                                    // Parse style
                                                                                    $styleArray = explode(';', str_replace(' ', '', $style));
                                                                                    foreach ($styleArray as $stylePair) {
                                                                                        $stylePair = explode(':', $stylePair);

                                                                                        if ($stylePair[0] == 'margin-left')     $comment->setMarginLeft($stylePair[1]);
                                                                                        if ($stylePair[0] == 'margin-top')      $comment->setMarginTop($stylePair[1]);
                                                                                        if ($stylePair[0] == 'width')           $comment->setWidth($stylePair[1]);
                                                                                        if ($stylePair[0] == 'height')          $comment->setHeight($stylePair[1]);
                                                                                        if ($stylePair[0] == 'visibility')      $comment->setVisible( $stylePair[1] == 'visible' );

                                                                                    }
                                                                                }
                                                                                }
                                                                        }
                                                                }

                                                                // Header/footer images
                                                                if ($xmlSheet && $xmlSheet->legacyDrawingHF && !$this->_readDataOnly) {
                                                                        if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")) {
                                                                                $relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip,  dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels") ); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                                                                $vmlRelationship = '';

                                                                                foreach ($relsWorksheet->Relationship as $ele) {
                                                                                        if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing") {
                                                                                                $vmlRelationship = self::dir_add("$dir/$fileWorksheet", $ele["Target"]);
                                                                                        }
                                                                                }

                                                                                if ($vmlRelationship != '') {
                                                                                        // Fetch linked images
                                                                                        $relsVML = simplexml_load_string($this->_getFromZipArchive($zip,  dirname($vmlRelationship) . '/_rels/' . basename($vmlRelationship) . '.rels' )); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                                                                        $drawings = array();
                                                                                        foreach ($relsVML->Relationship as $ele) {
                                                                                                if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image") {
                                                                                                        $drawings[(string) $ele["Id"]] = self::dir_add($vmlRelationship, $ele["Target"]);
                                                                                                }
                                                                                        }

                                                                                        // Fetch VML document
                                                                                        $vmlDrawing = simplexml_load_string($this->_getFromZipArchive($zip, $vmlRelationship));
                                                                                        $vmlDrawing->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');

                                                                                        $hfImages = array();

                                                                                        $shapes = $vmlDrawing->xpath('//v:shape');
                                                                                        foreach ($shapes as $shape) {
                                                                                                $shape->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');
                                                                                                $imageData = $shape->xpath('//v:imagedata');
                                                                                                $imageData = $imageData[0];

                                                                                                $imageData = $imageData->attributes('urn:schemas-microsoft-com:office:office');
                                                                                                $style = self::toCSSArray( (string)$shape['style'] );

                                                                                                $hfImages[ (string)$shape['id'] ] = new PHPExcel_Worksheet_HeaderFooterDrawing();
                                                                                                if (isset($imageData['title'])) {
                                                                                                        $hfImages[ (string)$shape['id'] ]->setName( (string)$imageData['title'] );
                                                                                                }

                                                                                                $hfImages[ (string)$shape['id'] ]->setPath("zip://".PHPExcel_Shared_File::realpath($pFilename)."#" . $drawings[(string)$imageData['relid']], false);
                                                                                                $hfImages[ (string)$shape['id'] ]->setResizeProportional(false);
                                                                                                $hfImages[ (string)$shape['id'] ]->setWidth($style['width']);
                                                                                                $hfImages[ (string)$shape['id'] ]->setHeight($style['height']);
                                                                                                $hfImages[ (string)$shape['id'] ]->setOffsetX($style['margin-left']);
                                                                                                $hfImages[ (string)$shape['id'] ]->setOffsetY($style['margin-top']);
                                                                                                $hfImages[ (string)$shape['id'] ]->setResizeProportional(true);
                                                                                        }

                                                                                        $docSheet->getHeaderFooter()->setImages($hfImages);
                                                                                }
                                                                        }
                                                                }

                                                        }

// TODO: Autoshapes from twoCellAnchors!
                                                        if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")) {
                                                                $relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip,  dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels") ); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                                                $drawings = array();
                                                                foreach ($relsWorksheet->Relationship as $ele) {
                                                                        if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing") {
                                                                                $drawings[(string) $ele["Id"]] = self::dir_add("$dir/$fileWorksheet", $ele["Target"]);
                                                                        }
                                                                }
                                                                if ($xmlSheet->drawing && !$this->_readDataOnly) {
                                                                        foreach ($xmlSheet->drawing as $drawing) {
                                                                                $fileDrawing = $drawings[(string) self::array_item($drawing->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];
                                                                                $relsDrawing = simplexml_load_string($this->_getFromZipArchive($zip,  dirname($fileDrawing) . "/_rels/" . basename($fileDrawing) . ".rels") ); //~ http://schemas.openxmlformats.org/package/2006/relationships");
                                                                                $images = array();

                                                                                if ($relsDrawing && $relsDrawing->Relationship) {
                                                                                        foreach ($relsDrawing->Relationship as $ele) {
                                                                                                if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image") {
                                                                                                        $images[(string) $ele["Id"]] = self::dir_add($fileDrawing, $ele["Target"]);
                                                                                                } elseif ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart") {
                                                                                                        if ($this->_includeCharts) {
                                                                                                                $charts[self::dir_add($fileDrawing, $ele["Target"])] = array('id'               => (string) $ele["Id"],
                                                                                                                                                                                                                                         'sheet'        => $docSheet->getTitle()
                                                                                                                                                                                                                                        );
                                                                                                        }
                                                                                                }
                                                                                        }
                                                                                }
                                                                                $xmlDrawing = simplexml_load_string($this->_getFromZipArchive($zip, $fileDrawing))->children("http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing");

                                                                                if ($xmlDrawing->oneCellAnchor) {
                                                                                        foreach ($xmlDrawing->oneCellAnchor as $oneCellAnchor) {
                                                                                                if ($oneCellAnchor->pic->blipFill) {
                                                                                                        $blip = $oneCellAnchor->pic->blipFill->children("http://schemas.openxmlformats.org/drawingml/2006/main")->blip;
                                                                                                        $xfrm = $oneCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->xfrm;
                                                                                                        $outerShdw = $oneCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->effectLst->outerShdw;
                                                                                                        $objDrawing = new PHPExcel_Worksheet_Drawing;
                                                                                                        $objDrawing->setName((string) self::array_item($oneCellAnchor->pic->nvPicPr->cNvPr->attributes(), "name"));
                                                                                                        $objDrawing->setDescription((string) self::array_item($oneCellAnchor->pic->nvPicPr->cNvPr->attributes(), "descr"));
                                                                                                        $objDrawing->setPath("zip://".PHPExcel_Shared_File::realpath($pFilename)."#" . $images[(string) self::array_item($blip->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "embed")], false);
                                                                                                        $objDrawing->setCoordinates(PHPExcel_Cell::stringFromColumnIndex((string) $oneCellAnchor->from->col) . ($oneCellAnchor->from->row + 1));
                                                                                                        $objDrawing->setOffsetX(PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->colOff));
                                                                                                        $objDrawing->setOffsetY(PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->rowOff));
                                                                                                        $objDrawing->setResizeProportional(false);
                                                                                                        $objDrawing->setWidth(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cx")));
                                                                                                        $objDrawing->setHeight(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cy")));
                                                                                                        if ($xfrm) {
                                                                                                                $objDrawing->setRotation(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($xfrm->attributes(), "rot")));
                                                                                                        }
                                                                                                        if ($outerShdw) {
                                                                                                                $shadow = $objDrawing->getShadow();
                                                                                                                $shadow->setVisible(true);
                                                                                                                $shadow->setBlurRadius(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "blurRad")));
                                                                                                                $shadow->setDistance(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "dist")));
                                                                                                                $shadow->setDirection(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($outerShdw->attributes(), "dir")));
                                                                                                                $shadow->setAlignment((string) self::array_item($outerShdw->attributes(), "algn"));
                                                                                                                $shadow->getColor()->setRGB(self::array_item($outerShdw->srgbClr->attributes(), "val"));
                                                                                                                $shadow->setAlpha(self::array_item($outerShdw->srgbClr->alpha->attributes(), "val") / 1000);
                                                                                                        }
                                                                                                        $objDrawing->setWorksheet($docSheet);
                                                                                                } else {
                                                                                                        //      ? Can charts be positioned with a oneCellAnchor ?
                                                                                                        $coordinates    = PHPExcel_Cell::stringFromColumnIndex((string) $oneCellAnchor->from->col) . ($oneCellAnchor->from->row + 1);
                                                                                                        $offsetX                = PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->colOff);
                                                                                                        $offsetY                = PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->rowOff);
                                                                                                        $width                  = PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cx"));
                                                                                                        $height                 = PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cy"));
                                                                                                }
                                                                                        }
                                                                                }
                                                                                if ($xmlDrawing->twoCellAnchor) {
                                                                                        foreach ($xmlDrawing->twoCellAnchor as $twoCellAnchor) {
                                                                                                if ($twoCellAnchor->pic->blipFill) {
                                                                                                        $blip = $twoCellAnchor->pic->blipFill->children("http://schemas.openxmlformats.org/drawingml/2006/main")->blip;
                                                                                                        $xfrm = $twoCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->xfrm;
                                                                                                        $outerShdw = $twoCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->effectLst->outerShdw;
                                                                                                        $objDrawing = new PHPExcel_Worksheet_Drawing;
                                                                                                        $objDrawing->setName((string) self::array_item($twoCellAnchor->pic->nvPicPr->cNvPr->attributes(), "name"));
                                                                                                        $objDrawing->setDescription((string) self::array_item($twoCellAnchor->pic->nvPicPr->cNvPr->attributes(), "descr"));
                                                                                                        $objDrawing->setPath("zip://".PHPExcel_Shared_File::realpath($pFilename)."#" . $images[(string) self::array_item($blip->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "embed")], false);
                                                                                                        $objDrawing->setCoordinates(PHPExcel_Cell::stringFromColumnIndex((string) $twoCellAnchor->from->col) . ($twoCellAnchor->from->row + 1));
                                                                                                        $objDrawing->setOffsetX(PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->colOff));
                                                                                                        $objDrawing->setOffsetY(PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->rowOff));
                                                                                                        $objDrawing->setResizeProportional(false);

                                                                                                        $objDrawing->setWidth(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($xfrm->ext->attributes(), "cx")));
                                                                                                        $objDrawing->setHeight(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($xfrm->ext->attributes(), "cy")));

                                                                                                        if ($xfrm) {
                                                                                                                $objDrawing->setRotation(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($xfrm->attributes(), "rot")));
                                                                                                        }
                                                                                                        if ($outerShdw) {
                                                                                                                $shadow = $objDrawing->getShadow();
                                                                                                                $shadow->setVisible(true);
                                                                                                                $shadow->setBlurRadius(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "blurRad")));
                                                                                                                $shadow->setDistance(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "dist")));
                                                                                                                $shadow->setDirection(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($outerShdw->attributes(), "dir")));
                                                                                                                $shadow->setAlignment((string) self::array_item($outerShdw->attributes(), "algn"));
                                                                                                                $shadow->getColor()->setRGB(self::array_item($outerShdw->srgbClr->attributes(), "val"));
                                                                                                                $shadow->setAlpha(self::array_item($outerShdw->srgbClr->alpha->attributes(), "val") / 1000);
                                                                                                        }
                                                                                                        $objDrawing->setWorksheet($docSheet);
                                                                                                } elseif(($this->_includeCharts) && ($twoCellAnchor->graphicFrame)) {
                                                                                                        $fromCoordinate = PHPExcel_Cell::stringFromColumnIndex((string) $twoCellAnchor->from->col) . ($twoCellAnchor->from->row + 1);
                                                                                                        $fromOffsetX    = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->colOff);
                                                                                                        $fromOffsetY    = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->rowOff);
                                                                                                        $toCoordinate   = PHPExcel_Cell::stringFromColumnIndex((string) $twoCellAnchor->to->col) . ($twoCellAnchor->to->row + 1);
                                                                                                        $toOffsetX              = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->to->colOff);
                                                                                                        $toOffsetY              = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->to->rowOff);
                                                                                                        $graphic                = $twoCellAnchor->graphicFrame->children("http://schemas.openxmlformats.org/drawingml/2006/main")->graphic;
                                                                                                        $chartRef               = $graphic->graphicData->children("http://schemas.openxmlformats.org/drawingml/2006/chart")->chart;
                                                                                                        $thisChart              = (string) $chartRef->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships");

                                                                                                        $chartDetails[$docSheet->getTitle().'!'.$thisChart] =
                                                                                                                        array(  'fromCoordinate'        => $fromCoordinate,
                                                                                                                                        'fromOffsetX'           => $fromOffsetX,
                                                                                                                                        'fromOffsetY'           => $fromOffsetY,
                                                                                                                                        'toCoordinate'          => $toCoordinate,
                                                                                                                                        'toOffsetX'                     => $toOffsetX,
                                                                                                                                        'toOffsetY'                     => $toOffsetY,
                                                                                                                                        'worksheetTitle'        => $docSheet->getTitle()
                                                                                                                                 );
                                                                                                }
                                                                                        }
                                                                                }

                                                                        }
                                                                }
                                                        }

                                                        // Loop through definedNames
                                                        if ($xmlWorkbook->definedNames) {
                                                                foreach ($xmlWorkbook->definedNames->definedName as $definedName) {
                                                                        // Extract range
                                                                        $extractedRange = (string)$definedName;
                                                                        $extractedRange = preg_replace('/\'(\w+)\'\!/', '', $extractedRange);
                                                                        if (($spos = strpos($extractedRange,'!')) !== false) {
                                                                                $extractedRange = substr($extractedRange,0,$spos).str_replace('$', '', substr($extractedRange,$spos));
                                                                        } else {
                                                                                $extractedRange = str_replace('$', '', $extractedRange);
                                                                        }

                                                                        // Valid range?
                                                                        if (stripos((string)$definedName, '#REF!') !== FALSE || $extractedRange == '') {
                                                                                continue;
                                                                        }

                                                                        // Some definedNames are only applicable if we are on the same sheet...
                                                                        if ((string)$definedName['localSheetId'] != '' && (string)$definedName['localSheetId'] == $sheetId) {
                                                                                // Switch on type
                                                                                switch ((string)$definedName['name']) {

                                                                                        case '_xlnm._FilterDatabase':
                                                                                                if ((string)$definedName['hidden'] !== '1') {
                                                                                                        $docSheet->getAutoFilter()->setRange($extractedRange);
                                                                                                }
                                                                                                break;

                                                                                        case '_xlnm.Print_Titles':
                                                                                                // Split $extractedRange
                                                                                                $extractedRange = explode(',', $extractedRange);

                                                                                                // Set print titles
                                                                                                foreach ($extractedRange as $range) {
                                                                                                        $matches = array();
                                                                                                        $range = str_replace('$', '', $range);

                                                                                                        // check for repeating columns, e g. 'A:A' or 'A:D'
                                                                                                        if (preg_match('/!?([A-Z]+)\:([A-Z]+)$/', $range, $matches)) {
                                                                                                                $docSheet->getPageSetup()->setColumnsToRepeatAtLeft(array($matches[1], $matches[2]));
                                                                                                        }
                                                                                                        // check for repeating rows, e.g. '1:1' or '1:5'
                                                                                                        elseif (preg_match('/!?(\d+)\:(\d+)$/', $range, $matches)) {
                                                                                                                $docSheet->getPageSetup()->setRowsToRepeatAtTop(array($matches[1], $matches[2]));
                                                                                                        }
                                                                                                }
                                                                                                break;

                                                                                        case '_xlnm.Print_Area':
                                                                                                $rangeSets = explode(',', $extractedRange);             // FIXME: what if sheetname contains comma?
                                                                                                $newRangeSets = array();
                                                                                                foreach($rangeSets as $rangeSet) {
                                                                                                        $range = explode('!', $rangeSet);       // FIXME: what if sheetname contains exclamation mark?
                                                                                                        $rangeSet = isset($range[1]) ? $range[1] : $range[0];
                                                                                                        if (strpos($rangeSet, ':') === FALSE) {
                                                                                                                $rangeSet = $rangeSet . ':' . $rangeSet;
                                                                                                        }
                                                                                                        $newRangeSets[] = str_replace('$', '', $rangeSet);
                                                                                                }
                                                                                                $docSheet->getPageSetup()->setPrintArea(implode(',',$newRangeSets));
                                                                                                break;

                                                                                        default:
                                                                                                break;
                                                                                }
                                                                        }
                                                                }
                                                        }

                                                        // Next sheet id
                                                        ++$sheetId;
                                                }

                                                // Loop through definedNames
                                                if ($xmlWorkbook->definedNames) {
                                                        foreach ($xmlWorkbook->definedNames->definedName as $definedName) {
                                                                // Extract range
                                                                $extractedRange = (string)$definedName;
                                                                $extractedRange = preg_replace('/\'(\w+)\'\!/', '', $extractedRange);
                                                                if (($spos = strpos($extractedRange,'!')) !== false) {
                                                                        $extractedRange = substr($extractedRange,0,$spos).str_replace('$', '', substr($extractedRange,$spos));
                                                                } else {
                                                                        $extractedRange = str_replace('$', '', $extractedRange);
                                                                }

                                                                // Valid range?
                                                                if (stripos((string)$definedName, '#REF!') !== false || $extractedRange == '') {
                                                                        continue;
                                                                }

                                                                // Some definedNames are only applicable if we are on the same sheet...
                                                                if ((string)$definedName['localSheetId'] != '') {
                                                                        // Local defined name
                                                                        // Switch on type
                                                                        switch ((string)$definedName['name']) {

                                                                                case '_xlnm._FilterDatabase':
                                                                                case '_xlnm.Print_Titles':
                                                                                case '_xlnm.Print_Area':
                                                                                        break;

                                                                                default:
                                                                                        if ($mapSheetId[(integer) $definedName['localSheetId']] !== null) {
                                                                                                $range = explode('!', (string)$definedName);
                                                                                                if (count($range) == 2) {
                                                                                                        $range[0] = str_replace("''", "'", $range[0]);
                                                                                                        $range[0] = str_replace("'", "", $range[0]);
                                                                                                        if ($worksheet = $docSheet->getParent()->getSheetByName($range[0])) {
                                                                                                                $extractedRange = str_replace('$', '', $range[1]);
                                                                                                                $scope = $docSheet->getParent()->getSheet($mapSheetId[(integer) $definedName['localSheetId']]);
                                                                                                                $excel->addNamedRange( new PHPExcel_NamedRange((string)$definedName['name'], $worksheet, $extractedRange, true, $scope) );
                                                                                                        }
                                                                                                }
                                                                                        }
                                                                                        break;
                                                                        }
                                                                } else if (!isset($definedName['localSheetId'])) {
                                                                        // "Global" definedNames
                                                                        $locatedSheet = null;
                                                                        $extractedSheetName = '';
                                                                        if (strpos( (string)$definedName, '!' ) !== false) {
                                                                                // Extract sheet name
                                                                                $extractedSheetName = PHPExcel_Worksheet::extractSheetTitle( (string)$definedName, true );
                                                                                $extractedSheetName = $extractedSheetName[0];

                                                                                // Locate sheet
                                                                                $locatedSheet = $excel->getSheetByName($extractedSheetName);

                                                                                // Modify range
                                                                                $range = explode('!', $extractedRange);
                                                                                $extractedRange = isset($range[1]) ? $range[1] : $range[0];
                                                                        }

                                                                        if ($locatedSheet !== NULL) {
                                                                                $excel->addNamedRange( new PHPExcel_NamedRange((string)$definedName['name'], $locatedSheet, $extractedRange, false) );
                                                                        }
                                                                }
                                                        }
                                                }
                                        }

                                        if ((!$this->_readDataOnly) || (!empty($this->_loadSheetsOnly))) {
                                                // active sheet index
                                                $activeTab = intval($xmlWorkbook->bookViews->workbookView["activeTab"]); // refers to old sheet index

                                                // keep active sheet index if sheet is still loaded, else first sheet is set as the active
                                                if (isset($mapSheetId[$activeTab]) && $mapSheetId[$activeTab] !== null) {
                                                        $excel->setActiveSheetIndex($mapSheetId[$activeTab]);
                                                } else {
                                                        if ($excel->getSheetCount() == 0) {
                                                                $excel->createSheet();
                                                        }
                                                        $excel->setActiveSheetIndex(0);
                                                }
                                        }
                                break;
                        }

                }


                if (!$this->_readDataOnly) {
                        $contentTypes = simplexml_load_string($this->_getFromZipArchive($zip, "[Content_Types].xml"));
                        foreach ($contentTypes->Override as $contentType) {
                                switch ($contentType["ContentType"]) {
                                        case "application/vnd.openxmlformats-officedocument.drawingml.chart+xml":
                                                if ($this->_includeCharts) {
                                                        $chartEntryRef = ltrim($contentType['PartName'],'/');
                                                        $chartElements = simplexml_load_string($this->_getFromZipArchive($zip, $chartEntryRef));
                                                        $objChart = PHPExcel_Reader_Excel2007_Chart::readChart($chartElements,basename($chartEntryRef,'.xml'));

//                                                      echo 'Chart ',$chartEntryRef,'<br />';
//                                                      var_dump($charts[$chartEntryRef]);
//
                                                        if (isset($charts[$chartEntryRef])) {
                                                                $chartPositionRef = $charts[$chartEntryRef]['sheet'].'!'.$charts[$chartEntryRef]['id'];
//                                                              echo 'Position Ref ',$chartPositionRef,'<br />';
                                                                if (isset($chartDetails[$chartPositionRef])) {
//                                                                      var_dump($chartDetails[$chartPositionRef]);

                                                                        $excel->getSheetByName($charts[$chartEntryRef]['sheet'])->addChart($objChart);
                                                                        $objChart->setWorksheet($excel->getSheetByName($charts[$chartEntryRef]['sheet']));
                                                                        $objChart->setTopLeftPosition( $chartDetails[$chartPositionRef]['fromCoordinate'],
                                                                                                                                   $chartDetails[$chartPositionRef]['fromOffsetX'],
                                                                                                                                   $chartDetails[$chartPositionRef]['fromOffsetY']
                                                                                                                                 );
                                                                        $objChart->setBottomRightPosition( $chartDetails[$chartPositionRef]['toCoordinate'],
                                                                                                                                           $chartDetails[$chartPositionRef]['toOffsetX'],
                                                                                                                                           $chartDetails[$chartPositionRef]['toOffsetY']
                                                                                                                                         );
                                                                }
                                                        }
                                                }
                                }
                        }
                }

                $zip->close();

                return $excel;
        }


        private static function _readColor($color, $background=FALSE) {
                if (isset($color["rgb"])) {
                        return (string)$color["rgb"];
                } else if (isset($color["indexed"])) {
                        return PHPExcel_Style_Color::indexedColor($color["indexed"]-7,$background)->getARGB();
                } else if (isset($color["theme"])) {
                        if (self::$_theme !== NULL) {
                                $returnColour = self::$_theme->getColourByIndex((int)$color["theme"]);
                                if (isset($color["tint"])) {
                                        $tintAdjust = (float) $color["tint"];
                                        $returnColour = PHPExcel_Style_Color::changeBrightness($returnColour, $tintAdjust);
                                }
                                return 'FF'.$returnColour;
                        }
                }

                if ($background) {
                        return 'FFFFFFFF';
                }
                return 'FF000000';
        }


        private static function _readStyle($docStyle, $style) {
                // format code
//              if (isset($style->numFmt)) {
//                      if (isset($style->numFmt['formatCode'])) {
//                              $docStyle->getNumberFormat()->setFormatCode((string) $style->numFmt['formatCode']);
//                      } else {
                                $docStyle->getNumberFormat()->setFormatCode($style->numFmt);
//                      }
//              }

                // font
                if (isset($style->font)) {
                        $docStyle->getFont()->setName((string) $style->font->name["val"]);
                        $docStyle->getFont()->setSize((string) $style->font->sz["val"]);
                        if (isset($style->font->b)) {
                                $docStyle->getFont()->setBold(!isset($style->font->b["val"]) || self::boolean((string) $style->font->b["val"]));
                        }
                        if (isset($style->font->i)) {
                                $docStyle->getFont()->setItalic(!isset($style->font->i["val"]) || self::boolean((string) $style->font->i["val"]));
                        }
                        if (isset($style->font->strike)) {
                                $docStyle->getFont()->setStrikethrough(!isset($style->font->strike["val"]) || self::boolean((string) $style->font->strike["val"]));
                        }
                        $docStyle->getFont()->getColor()->setARGB(self::_readColor($style->font->color));

                        if (isset($style->font->u) && !isset($style->font->u["val"])) {
                                $docStyle->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);
                        } else if (isset($style->font->u) && isset($style->font->u["val"])) {
                                $docStyle->getFont()->setUnderline((string)$style->font->u["val"]);
                        }

                        if (isset($style->font->vertAlign) && isset($style->font->vertAlign["val"])) {
                                $vertAlign = strtolower((string)$style->font->vertAlign["val"]);
                                if ($vertAlign == 'superscript') {
                                        $docStyle->getFont()->setSuperScript(true);
                                }
                                if ($vertAlign == 'subscript') {
                                        $docStyle->getFont()->setSubScript(true);
                                }
                        }
                }

                // fill
                if (isset($style->fill)) {
                        if ($style->fill->gradientFill) {
                                $gradientFill = $style->fill->gradientFill[0];
                                if(!empty($gradientFill["type"])) {
                                        $docStyle->getFill()->setFillType((string) $gradientFill["type"]);
                                }
                                $docStyle->getFill()->setRotation(floatval($gradientFill["degree"]));
                                $gradientFill->registerXPathNamespace("sml", "http://schemas.openxmlformats.org/spreadsheetml/2006/main");
                                $docStyle->getFill()->getStartColor()->setARGB(self::_readColor( self::array_item($gradientFill->xpath("sml:stop[@position=0]"))->color) );
                                $docStyle->getFill()->getEndColor()->setARGB(self::_readColor( self::array_item($gradientFill->xpath("sml:stop[@position=1]"))->color) );
                        } elseif ($style->fill->patternFill) {
                                $patternType = (string)$style->fill->patternFill["patternType"] != '' ? (string)$style->fill->patternFill["patternType"] : 'solid';
                                $docStyle->getFill()->setFillType($patternType);
                                if ($style->fill->patternFill->fgColor) {
                                        $docStyle->getFill()->getStartColor()->setARGB(self::_readColor($style->fill->patternFill->fgColor,true));
                                } else {
                                        $docStyle->getFill()->getStartColor()->setARGB('FF000000');
                                }
                                if ($style->fill->patternFill->bgColor) {
                                        $docStyle->getFill()->getEndColor()->setARGB(self::_readColor($style->fill->patternFill->bgColor,true));
                                }
                        }
                }

                // border
                if (isset($style->border)) {
                        $diagonalUp = self::boolean((string) $style->border["diagonalUp"]);
                        $diagonalDown = self::boolean((string) $style->border["diagonalDown"]);
                        if (!$diagonalUp && !$diagonalDown) {
                                $docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_NONE);
                        } elseif ($diagonalUp && !$diagonalDown) {
                                $docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_UP);
                        } elseif (!$diagonalUp && $diagonalDown) {
                                $docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_DOWN);
                        } else {
                                $docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_BOTH);
                        }
                        self::_readBorder($docStyle->getBorders()->getLeft(), $style->border->left);
                        self::_readBorder($docStyle->getBorders()->getRight(), $style->border->right);
                        self::_readBorder($docStyle->getBorders()->getTop(), $style->border->top);
                        self::_readBorder($docStyle->getBorders()->getBottom(), $style->border->bottom);
                        self::_readBorder($docStyle->getBorders()->getDiagonal(), $style->border->diagonal);
                }

                // alignment
                if (isset($style->alignment)) {
                        $docStyle->getAlignment()->setHorizontal((string) $style->alignment["horizontal"]);
                        $docStyle->getAlignment()->setVertical((string) $style->alignment["vertical"]);

                        $textRotation = 0;
                        if ((int)$style->alignment["textRotation"] <= 90) {
                                $textRotation = (int)$style->alignment["textRotation"];
                        } else if ((int)$style->alignment["textRotation"] > 90) {
                                $textRotation = 90 - (int)$style->alignment["textRotation"];
                        }

                        $docStyle->getAlignment()->setTextRotation(intval($textRotation));
                        $docStyle->getAlignment()->setWrapText(self::boolean((string) $style->alignment["wrapText"]));
                        $docStyle->getAlignment()->setShrinkToFit(self::boolean((string) $style->alignment["shrinkToFit"]));
                        $docStyle->getAlignment()->setIndent( intval((string)$style->alignment["indent"]) > 0 ? intval((string)$style->alignment["indent"]) : 0 );
                }

                // protection
                if (isset($style->protection)) {
                        if (isset($style->protection['locked'])) {
                                if (self::boolean((string) $style->protection['locked'])) {
                                        $docStyle->getProtection()->setLocked(PHPExcel_Style_Protection::PROTECTION_PROTECTED);
                                } else {
                                        $docStyle->getProtection()->setLocked(PHPExcel_Style_Protection::PROTECTION_UNPROTECTED);
                                }
                        }

                        if (isset($style->protection['hidden'])) {
                                if (self::boolean((string) $style->protection['hidden'])) {
                                        $docStyle->getProtection()->setHidden(PHPExcel_Style_Protection::PROTECTION_PROTECTED);
                                } else {
                                        $docStyle->getProtection()->setHidden(PHPExcel_Style_Protection::PROTECTION_UNPROTECTED);
                                }
                        }
                }
        }


        private static function _readBorder($docBorder, $eleBorder) {
                if (isset($eleBorder["style"])) {
                        $docBorder->setBorderStyle((string) $eleBorder["style"]);
                }
                if (isset($eleBorder->color)) {
                        $docBorder->getColor()->setARGB(self::_readColor($eleBorder->color));
                }
        }


        private function _parseRichText($is = null) {
                $value = new PHPExcel_RichText();

                if (isset($is->t)) {
                        $value->createText( PHPExcel_Shared_String::ControlCharacterOOXML2PHP( (string) $is->t ) );
                } else {
                        foreach ($is->r as $run) {
                                if (!isset($run->rPr)) {
                                        $objText = $value->createText( PHPExcel_Shared_String::ControlCharacterOOXML2PHP( (string) $run->t ) );

                                } else {
                                        $objText = $value->createTextRun( PHPExcel_Shared_String::ControlCharacterOOXML2PHP( (string) $run->t ) );

                                        if (isset($run->rPr->rFont["val"])) {
                                                $objText->getFont()->setName((string) $run->rPr->rFont["val"]);
                                        }

                                        if (isset($run->rPr->sz["val"])) {
                                                $objText->getFont()->setSize((string) $run->rPr->sz["val"]);
                                        }

                                        if (isset($run->rPr->color)) {
                                                $objText->getFont()->setColor( new PHPExcel_Style_Color( self::_readColor($run->rPr->color) ) );
                                        }

                                        if ((isset($run->rPr->b["val"]) && self::boolean((string) $run->rPr->b["val"])) ||
                                                (isset($run->rPr->b) && !isset($run->rPr->b["val"]))) {
                                                $objText->getFont()->setBold(TRUE);
                                        }

                                        if ((isset($run->rPr->i["val"]) && self::boolean((string) $run->rPr->i["val"])) ||
                                                (isset($run->rPr->i) && !isset($run->rPr->i["val"]))) {
                                                $objText->getFont()->setItalic(TRUE);
                                        }

                                        if (isset($run->rPr->vertAlign) && isset($run->rPr->vertAlign["val"])) {
                                                $vertAlign = strtolower((string)$run->rPr->vertAlign["val"]);
                                                if ($vertAlign == 'superscript') {
                                                        $objText->getFont()->setSuperScript(TRUE);
                                                }
                                                if ($vertAlign == 'subscript') {
                                                        $objText->getFont()->setSubScript(TRUE);
                                                }
                                        }

                                        if (isset($run->rPr->u) && !isset($run->rPr->u["val"])) {
                                                $objText->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);
                                        } else if (isset($run->rPr->u) && isset($run->rPr->u["val"])) {
                                                $objText->getFont()->setUnderline((string)$run->rPr->u["val"]);
                                        }

                                        if ((isset($run->rPr->strike["val"]) && self::boolean((string) $run->rPr->strike["val"])) ||
                                                (isset($run->rPr->strike) && !isset($run->rPr->strike["val"]))) {
                                                $objText->getFont()->setStrikethrough(TRUE);
                                        }
                                }
                        }
                }

                return $value;
        }


        private static function array_item($array, $key = 0) {
                return (isset($array[$key]) ? $array[$key] : null);
        }


        private static function dir_add($base, $add) {
                return preg_replace('~[^/]+/\.\./~', '', dirname($base) . "/$add");
        }


        private static function toCSSArray($style) {
                $style = str_replace(array("\r","\n"), "", $style);

                $temp = explode(';', $style);
                $style = array();
                foreach ($temp as $item) {
                        $item = explode(':', $item);

                        if (strpos($item[1], 'px') !== false) {
                                $item[1] = str_replace('px', '', $item[1]);
                        }
                        if (strpos($item[1], 'pt') !== false) {
                                $item[1] = str_replace('pt', '', $item[1]);
                                $item[1] = PHPExcel_Shared_Font::fontSizeToPixels($item[1]);
                        }
                        if (strpos($item[1], 'in') !== false) {
                                $item[1] = str_replace('in', '', $item[1]);
                                $item[1] = PHPExcel_Shared_Font::inchSizeToPixels($item[1]);
                        }
                        if (strpos($item[1], 'cm') !== false) {
                                $item[1] = str_replace('cm', '', $item[1]);
                                $item[1] = PHPExcel_Shared_Font::centimeterSizeToPixels($item[1]);
                        }

                        $style[$item[0]] = $item[1];
                }

                return $style;
        }

        private static function boolean($value = NULL)
        {
                if (is_numeric($value)) {
                        return (bool) $value;
                }
                return ($value === 'true' || $value === 'TRUE') ? TRUE : FALSE;
        }
}