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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_OOCalc
 *
 * @category    PHPExcel
 * @package             PHPExcel_Reader
 * @copyright   Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
{
        /**
         * Formats
         *
         * @var array
         */
        private $_styles = array();


        /**
         * Create a new PHPExcel_Reader_OOCalc
         */
        public function __construct() {
                $this->_readFilter      = new PHPExcel_Reader_DefaultReadFilter();
        }


        /**
         * 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");
                }

        $mimeType = 'UNKNOWN';
                // Load file
                $zip = new ZipArchive;
                if ($zip->open($pFilename) === true) {
                        // check if it is an OOXML archive
                        $stat = $zip->statName('mimetype');
                        if ($stat && ($stat['size'] <= 255)) {
                                $mimeType = $zip->getFromName($stat['name']);
                        } elseif($stat = $zip->statName('META-INF/manifest.xml')) {
                        $xml = simplexml_load_string($zip->getFromName('META-INF/manifest.xml'));
                        $namespacesContent = $xml->getNamespaces(true);
                                if (isset($namespacesContent['manifest'])) {
                                $manifest = $xml->children($namespacesContent['manifest']);
                                    foreach($manifest as $manifestDataSet) {
                                            $manifestAttributes = $manifestDataSet->attributes($namespacesContent['manifest']);
                                        if ($manifestAttributes->{'full-path'} == '/') {
                                            $mimeType = (string) $manifestAttributes->{'media-type'};
                                            break;
                                        }
                                    }
                                }
                        }

                        $zip->close();

                        return ($mimeType === 'application/vnd.oasis.opendocument.spreadsheet');
                }

                return FALSE;
        }


        /**
         * 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.");
                }

                $zip = new ZipArchive;
                if (!$zip->open($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
                }

                $worksheetNames = array();

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

                //      Step into the first level of content of the XML
                $xml->read();
                while ($xml->read()) {
                        //      Quickly jump through to the office:body node
                        while ($xml->name !== 'office:body') {
                                if ($xml->isEmptyElement)
                                        $xml->read();
                                else
                                        $xml->next();
                        }
                        //      Now read each node until we find our first table:table node
                        while ($xml->read()) {
                                if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
                                        //      Loop through each table:table node reading the table:name attribute for each worksheet name
                                        do {
                                                $worksheetNames[] = $xml->getAttribute('table:name');
                                                $xml->next();
                                        } while ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT);
                                }
                        }
                }

                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();

                $zip = new ZipArchive;
                if (!$zip->open($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
                }

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

                //      Step into the first level of content of the XML
                $xml->read();
                while ($xml->read()) {
                        //      Quickly jump through to the office:body node
                        while ($xml->name !== 'office:body') {
                                if ($xml->isEmptyElement)
                                        $xml->read();
                                else
                                        $xml->next();
                        }
                                //      Now read each node until we find our first table:table node
                        while ($xml->read()) {
                                if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
                                        $worksheetNames[] = $xml->getAttribute('table:name');

                                        $tmpInfo = array(
                                                'worksheetName' => $xml->getAttribute('table:name'),
                                                'lastColumnLetter' => 'A',
                                                'lastColumnIndex' => 0,
                                                'totalRows' => 0,
                                                'totalColumns' => 0,
                                        );

                                        //      Loop through each child node of the table:table element reading
                                        $currCells = 0;
                                        do {
                                                $xml->read();
                                                if ($xml->name == 'table:table-row' && $xml->nodeType == XMLReader::ELEMENT) {
                                                        $rowspan = $xml->getAttribute('table:number-rows-repeated');
                                                        $rowspan = empty($rowspan) ? 1 : $rowspan;
                                                        $tmpInfo['totalRows'] += $rowspan;
                                                        $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
                                                        $currCells = 0;
                                                        //      Step into the row
                                                        $xml->read();
                                                        do {
                                                                if ($xml->name == 'table:table-cell' && $xml->nodeType == XMLReader::ELEMENT) {
                                                                        if (!$xml->isEmptyElement) {
                                                                                $currCells++;
                                                                                $xml->next();
                                                                        } else {
                                                                                $xml->read();
                                                                        }
                                                                } elseif ($xml->name == 'table:covered-table-cell' && $xml->nodeType == XMLReader::ELEMENT) {
                                                                        $mergeSize = $xml->getAttribute('table:number-columns-repeated');
                                                                        $currCells += $mergeSize;
                                                                        $xml->read();
                                                                }
                                                        } while ($xml->name != 'table:table-row');
                                                }
                                        } while ($xml->name != 'table:table');

                                        $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'],$currCells);
                                        $tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
                                        $tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
                                        $worksheetInfo[] = $tmpInfo;
                                }
                        }

//                              foreach($workbookData->table as $worksheetDataSet) {
//                                      $worksheetData = $worksheetDataSet->children($namespacesContent['table']);
//                                      $worksheetDataAttributes = $worksheetDataSet->attributes($namespacesContent['table']);
//
//                                      $rowIndex = 0;
//                                      foreach ($worksheetData as $key => $rowData) {
//                                              switch ($key) {
//                                                      case 'table-row' :
//                                                              $rowDataTableAttributes = $rowData->attributes($namespacesContent['table']);
//                                                              $rowRepeats = (isset($rowDataTableAttributes['number-rows-repeated'])) ?
//                                                                              $rowDataTableAttributes['number-rows-repeated'] : 1;
//                                                              $columnIndex = 0;
//
//                                                              foreach ($rowData as $key => $cellData) {
//                                                                      $cellDataTableAttributes = $cellData->attributes($namespacesContent['table']);
//                                                                      $colRepeats = (isset($cellDataTableAttributes['number-columns-repeated'])) ?
//                                                                              $cellDataTableAttributes['number-columns-repeated'] : 1;
//                                                                      $cellDataOfficeAttributes = $cellData->attributes($namespacesContent['office']);
//                                                                      if (isset($cellDataOfficeAttributes['value-type'])) {
//                                                                              $tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex + $colRepeats - 1);
//                                                                              $tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex + $rowRepeats);
//                                                                      }
//                                                                      $columnIndex += $colRepeats;
//                                                              }
//                                                              $rowIndex += $rowRepeats;
//                                                              break;
//                                              }
//                                      }
//
//                                      $tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);
//                                      $tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;
//
//                              }
//                      }
                }

                return $worksheetInfo;
        }


        /**
         * Loads PHPExcel from file
         *
         * @param       string          $pFilename
         * @return      PHPExcel
         * @throws      PHPExcel_Reader_Exception
         */
        public function load($pFilename)
        {
                // Create new PHPExcel
                $objPHPExcel = new PHPExcel();

                // Load into this instance
                return $this->loadIntoExisting($pFilename, $objPHPExcel);
        }


        private static function identifyFixedStyleValue($styleList,&$styleAttributeValue) {
                $styleAttributeValue = strtolower($styleAttributeValue);
                foreach($styleList as $style) {
                        if ($styleAttributeValue == strtolower($style)) {
                                $styleAttributeValue = $style;
                                return true;
                        }
                }
                return false;
        }


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

                $timezoneObj = new DateTimeZone('Europe/London');
                $GMT = new DateTimeZone('UTC');

                $zip = new ZipArchive;
                if (!$zip->open($pFilename)) {
                        throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
                }

//              echo '<h1>Meta Information</h1>';
                $xml = simplexml_load_string($zip->getFromName("meta.xml"));
                $namespacesMeta = $xml->getNamespaces(true);
//              echo '<pre>';
//              print_r($namespacesMeta);
//              echo '</pre><hr />';

                $docProps = $objPHPExcel->getProperties();
                $officeProperty = $xml->children($namespacesMeta['office']);
                foreach($officeProperty as $officePropertyData) {
                        $officePropertyDC = array();
                        if (isset($namespacesMeta['dc'])) {
                                $officePropertyDC = $officePropertyData->children($namespacesMeta['dc']);
                        }
                        foreach($officePropertyDC as $propertyName => $propertyValue) {
                                switch ($propertyName) {
                                        case 'title' :
                                                        $docProps->setTitle($propertyValue);
                                                        break;
                                        case 'subject' :
                                                        $docProps->setSubject($propertyValue);
                                                        break;
                                        case 'creator' :
                                                        $docProps->setCreator($propertyValue);
                                                        $docProps->setLastModifiedBy($propertyValue);
                                                        break;
                                        case 'date' :
                                                        $creationDate = strtotime($propertyValue);
                                                        $docProps->setCreated($creationDate);
                                                        $docProps->setModified($creationDate);
                                                        break;
                                        case 'description' :
                                                        $docProps->setDescription($propertyValue);
                                                        break;
                                }
                        }
                        $officePropertyMeta = array();
                        if (isset($namespacesMeta['dc'])) {
                                $officePropertyMeta = $officePropertyData->children($namespacesMeta['meta']);
                        }
                        foreach($officePropertyMeta as $propertyName => $propertyValue) {
                                $propertyValueAttributes = $propertyValue->attributes($namespacesMeta['meta']);
                                switch ($propertyName) {
                                        case 'initial-creator' :
                                                        $docProps->setCreator($propertyValue);
                                                        break;
                                        case 'keyword' :
                                                        $docProps->setKeywords($propertyValue);
                                                        break;
                                        case 'creation-date' :
                                                        $creationDate = strtotime($propertyValue);
                                                        $docProps->setCreated($creationDate);
                                                        break;
                                        case 'user-defined' :
                                                        $propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;
                                                        foreach ($propertyValueAttributes as $key => $value) {
                                                                if ($key == 'name') {
                                                                        $propertyValueName = (string) $value;
                                                                } elseif($key == 'value-type') {
                                                                        switch ($value) {
                                                                                case 'date'     :
                                                                                        $propertyValue = PHPExcel_DocumentProperties::convertProperty($propertyValue,'date');
                                                                                        $propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_DATE;
                                                                                        break;
                                                                                case 'boolean'  :
                                                                                        $propertyValue = PHPExcel_DocumentProperties::convertProperty($propertyValue,'bool');
                                                                                        $propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_BOOLEAN;
                                                                                        break;
                                                                                case 'float'    :
                                                                                        $propertyValue = PHPExcel_DocumentProperties::convertProperty($propertyValue,'r4');
                                                                                        $propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_FLOAT;
                                                                                        break;
                                                                                default :
                                                                                        $propertyValueType = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;
                                                                        }
                                                                }
                                                        }
                                                        $docProps->setCustomProperty($propertyValueName,$propertyValue,$propertyValueType);
                                                        break;
                                }
                        }
                }


//              echo '<h1>Workbook Content</h1>';
                $xml = simplexml_load_string($zip->getFromName("content.xml"));
                $namespacesContent = $xml->getNamespaces(true);
//              echo '<pre>';
//              print_r($namespacesContent);
//              echo '</pre><hr />';

                $workbook = $xml->children($namespacesContent['office']);
                foreach($workbook->body->spreadsheet as $workbookData) {
                        $workbookData = $workbookData->children($namespacesContent['table']);
                        $worksheetID = 0;
                        foreach($workbookData->table as $worksheetDataSet) {
                                $worksheetData = $worksheetDataSet->children($namespacesContent['table']);
//                              print_r($worksheetData);
//                              echo '<br />';
                                $worksheetDataAttributes = $worksheetDataSet->attributes($namespacesContent['table']);
//                              print_r($worksheetDataAttributes);
//                              echo '<br />';
                                if ((isset($this->_loadSheetsOnly)) && (isset($worksheetDataAttributes['name'])) &&
                                        (!in_array($worksheetDataAttributes['name'], $this->_loadSheetsOnly))) {
                                        continue;
                                }

//                              echo '<h2>Worksheet '.$worksheetDataAttributes['name'].'</h2>';
                                // Create new Worksheet
                                $objPHPExcel->createSheet();
                                $objPHPExcel->setActiveSheetIndex($worksheetID);
                                if (isset($worksheetDataAttributes['name'])) {
                                        $worksheetName = (string) $worksheetDataAttributes['name'];
                                        //      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
                                        $objPHPExcel->getActiveSheet()->setTitle($worksheetName,false);
                                }

                                $rowID = 1;
                                foreach($worksheetData as $key => $rowData) {
//                                      echo '<b>'.$key.'</b><br />';
                                        switch ($key) {
                                                case 'table-header-rows':
                                                        foreach ($rowData as $key=>$cellData) {
                                                                $rowData = $cellData;
                                                                break;
                                                        }
                                                case 'table-row' :
                                                        $rowDataTableAttributes = $rowData->attributes($namespacesContent['table']);
                                                        $rowRepeats = (isset($rowDataTableAttributes['number-rows-repeated'])) ?
                                                                        $rowDataTableAttributes['number-rows-repeated'] : 1;
                                                        $columnID = 'A';
                                                        foreach($rowData as $key => $cellData) {
                                                                if ($this->getReadFilter() !== NULL) {
                                                                        if (!$this->getReadFilter()->readCell($columnID, $rowID, $worksheetName)) {
                                                                                continue;
                                                                        }
                                                                }

//                                                              echo '<b>'.$columnID.$rowID.'</b><br />';
                                                                $cellDataText = (isset($namespacesContent['text'])) ?
                                                                        $cellData->children($namespacesContent['text']) :
                                                                        '';
                                                                $cellDataOffice = $cellData->children($namespacesContent['office']);
                                                                $cellDataOfficeAttributes = $cellData->attributes($namespacesContent['office']);
                                                                $cellDataTableAttributes = $cellData->attributes($namespacesContent['table']);

//                                                              echo 'Office Attributes: ';
//                                                              print_r($cellDataOfficeAttributes);
//                                                              echo '<br />Table Attributes: ';
//                                                              print_r($cellDataTableAttributes);
//                                                              echo '<br />Cell Data Text';
//                                                              print_r($cellDataText);
//                                                              echo '<br />';
//
                                                                $type = $formatting = $hyperlink = null;
                                                                $hasCalculatedValue = false;
                                                                $cellDataFormula = '';
                                                                if (isset($cellDataTableAttributes['formula'])) {
                                                                        $cellDataFormula = $cellDataTableAttributes['formula'];
                                                                        $hasCalculatedValue = true;
                                                                }

                                                                if (isset($cellDataOffice->annotation)) {
//                                                                      echo 'Cell has comment<br />';
                                                                        $annotationText = $cellDataOffice->annotation->children($namespacesContent['text']);
                                                                        $textArray = array();
                                                                        foreach($annotationText as $t) {
                                                                                foreach($t->span as $text) {
                                                                                        $textArray[] = (string)$text;
                                                                                }
                                                                        }
                                                                        $text = implode("\n",$textArray);
//                                                                      echo $text,'<br />';
                                                                        $objPHPExcel->getActiveSheet()->getComment( $columnID.$rowID )
//                                                                                                                                      ->setAuthor( $author )
                                                                                                                                        ->setText($this->_parseRichText($text) );
                                                                }

                                                                        if (isset($cellDataText->p)) {
                                                                        // Consolidate if there are multiple p records (maybe with spans as well)
                                                                        $dataArray = array();
                                                                        // Text can have multiple text:p and within those, multiple text:span.
                                                                        // text:p newlines, but text:span does not.
                                                                        // Also, here we assume there is no text data is span fields are specified, since
                                                                        // we have no way of knowing proper positioning anyway.
                                                                        foreach ($cellDataText->p as $pData) {
                                                                                if (isset($pData->span)) {
                                                                                        // span sections do not newline, so we just create one large string here
                                                                                        $spanSection = "";
                                                                                        foreach ($pData->span as $spanData) {
                                                                                                $spanSection .= $spanData;
                                                                                        }
                                                                                        array_push($dataArray, $spanSection);
                                                                                } else {
                                                                                        array_push($dataArray, $pData);
                                                                                }
                                                                        }
                                                                        $allCellDataText = implode($dataArray, "\n");

//                                                                      echo 'Value Type is '.$cellDataOfficeAttributes['value-type'].'<br />';
                                                                        switch ($cellDataOfficeAttributes['value-type']) {
                                                                                case 'string' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_STRING;
                                                                                                $dataValue = $allCellDataText;
                                                                                                if (isset($dataValue->a)) {
                                                                                                        $dataValue = $dataValue->a;
                                                                                                        $cellXLinkAttributes = $dataValue->attributes($namespacesContent['xlink']);
                                                                                                        $hyperlink = $cellXLinkAttributes['href'];
                                                                                                }
                                                                                                break;
                                                                                case 'boolean' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_BOOL;
                                                                                                $dataValue = ($allCellDataText == 'TRUE') ? True : False;
                                                                                                break;
                                                                                case 'percentage' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                                                                                $dataValue = (float) $cellDataOfficeAttributes['value'];
                                                                                                if (floor($dataValue) == $dataValue) {
                                                                                                        $dataValue = (integer) $dataValue;
                                                                                                }
                                                                                                $formatting = PHPExcel_Style_NumberFormat::FORMAT_PERCENTAGE_00;
                                                                                                break;
                                                                                case 'currency' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                                                                                $dataValue = (float) $cellDataOfficeAttributes['value'];
                                                                                                if (floor($dataValue) == $dataValue) {
                                                                                                        $dataValue = (integer) $dataValue;
                                                                                                }
                                                                                                $formatting = PHPExcel_Style_NumberFormat::FORMAT_CURRENCY_USD_SIMPLE;
                                                                                                break;
                                                                                case 'float' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                                                                                $dataValue = (float) $cellDataOfficeAttributes['value'];
                                                                                                if (floor($dataValue) == $dataValue) {
                                                                                                        if ($dataValue = (integer) $dataValue)
                                                                                                                $dataValue = (integer) $dataValue;
                                                                                                        else
                                                                                                                $dataValue = (float) $dataValue;
                                                                                                }
                                                                                                break;
                                                                                case 'date' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                                                                            $dateObj = new DateTime($cellDataOfficeAttributes['date-value'], $GMT);
                                                                                                $dateObj->setTimeZone($timezoneObj);
                                                                                                list($year,$month,$day,$hour,$minute,$second) = explode(' ',$dateObj->format('Y m d H i s'));
                                                                                                $dataValue = PHPExcel_Shared_Date::FormattedPHPToExcel($year,$month,$day,$hour,$minute,$second);
                                                                                                if ($dataValue != floor($dataValue)) {
                                                                                                        $formatting = PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX15.' '.PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME4;
                                                                                                } else {
                                                                                                        $formatting = PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX15;
                                                                                                }
                                                                                                break;
                                                                                case 'time' :
                                                                                                $type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
                                                                                                $dataValue = PHPExcel_Shared_Date::PHPToExcel(strtotime('01-01-1970 '.implode(':',sscanf($cellDataOfficeAttributes['time-value'],'PT%dH%dM%dS'))));
                                                                                                $formatting = PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME4;
                                                                                                break;
                                                                        }
//                                                                      echo 'Data value is '.$dataValue.'<br />';
//                                                                      if ($hyperlink !== NULL) {
//                                                                              echo 'Hyperlink is '.$hyperlink.'<br />';
//                                                                      }
                                                                } else {
                                                                        $type = PHPExcel_Cell_DataType::TYPE_NULL;
                                                                        $dataValue = NULL;
                                                                }

                                                                if ($hasCalculatedValue) {
                                                                        $type = PHPExcel_Cell_DataType::TYPE_FORMULA;
//                                                                      echo 'Formula: '.$cellDataFormula.'<br />';
                                                                        $cellDataFormula = substr($cellDataFormula,strpos($cellDataFormula,':=')+1);
                                                                        $temp = explode('"',$cellDataFormula);
                                                                        $tKey = false;
                                                                        foreach($temp as &$value) {
                                                                                //      Only replace in alternate array entries (i.e. non-quoted blocks)
                                                                                if ($tKey = !$tKey) {
                                                                                        $value = preg_replace('/\[\.(.*):\.(.*)\]/Ui','$1:$2',$value);
                                                                                        $value = preg_replace('/\[\.(.*)\]/Ui','$1',$value);
                                                                                        $value = PHPExcel_Calculation::_translateSeparator(';',',',$value,$inBraces);
                                                                                }
                                                                        }
                                                                        unset($value);
                                                                        //      Then rebuild the formula string
                                                                        $cellDataFormula = implode('"',$temp);
//                                                                      echo 'Adjusted Formula: '.$cellDataFormula.'<br />';
                                                                }

                                                                $colRepeats = (isset($cellDataTableAttributes['number-columns-repeated'])) ?
                                                                        $cellDataTableAttributes['number-columns-repeated'] : 1;
                                                                if ($type !== NULL) {
                                                                        for ($i = 0; $i < $colRepeats; ++$i) {
                                                                                if ($i > 0) {
                                                                                        ++$columnID;
                                                                                }
                                                                                if ($type !== PHPExcel_Cell_DataType::TYPE_NULL) {
                                                                                        for ($rowAdjust = 0; $rowAdjust < $rowRepeats; ++$rowAdjust) {
                                                                                                $rID = $rowID + $rowAdjust;
                                                                                                $objPHPExcel->getActiveSheet()->getCell($columnID.$rID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $dataValue),$type);
                                                                                                if ($hasCalculatedValue) {
//                                                                                                      echo 'Forumla result is '.$dataValue.'<br />';
                                                                                                        $objPHPExcel->getActiveSheet()->getCell($columnID.$rID)->setCalculatedValue($dataValue);
                                                                                                }
                                                                                                if ($formatting !== NULL) {
                                                                                                        $objPHPExcel->getActiveSheet()->getStyle($columnID.$rID)->getNumberFormat()->setFormatCode($formatting);
                                                                                                } else {
                                                                                                        $objPHPExcel->getActiveSheet()->getStyle($columnID.$rID)->getNumberFormat()->setFormatCode(PHPExcel_Style_NumberFormat::FORMAT_GENERAL);
                                                                                                }
                                                                                                if ($hyperlink !== NULL) {
                                                                                                        $objPHPExcel->getActiveSheet()->getCell($columnID.$rID)->getHyperlink()->setUrl($hyperlink);
                                                                                                }
                                                                                        }
                                                                                }
                                                                        }
                                                                }

                                                                //      Merged cells
                                                                if ((isset($cellDataTableAttributes['number-columns-spanned'])) || (isset($cellDataTableAttributes['number-rows-spanned']))) {
                                                                        if (($type !== PHPExcel_Cell_DataType::TYPE_NULL) || (!$this->_readDataOnly)) {
                                                                                $columnTo = $columnID;
                                                                                if (isset($cellDataTableAttributes['number-columns-spanned'])) {
                                                                                        $columnTo = PHPExcel_Cell::stringFromColumnIndex(PHPExcel_Cell::columnIndexFromString($columnID) + $cellDataTableAttributes['number-columns-spanned'] -2);
                                                                                }
                                                                                $rowTo = $rowID;
                                                                                if (isset($cellDataTableAttributes['number-rows-spanned'])) {
                                                                                        $rowTo = $rowTo + $cellDataTableAttributes['number-rows-spanned'] - 1;
                                                                                }
                                                                                $cellRange = $columnID.$rowID.':'.$columnTo.$rowTo;
                                                                                $objPHPExcel->getActiveSheet()->mergeCells($cellRange);
                                                                        }
                                                                }

                                                                ++$columnID;
                                                        }
                                                        $rowID += $rowRepeats;
                                                        break;
                                        }
                                }
                                ++$worksheetID;
                        }
                }

                // Return
                return $objPHPExcel;
        }


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

                $value->createText($is);

                return $value;
        }

}