<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2014 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Writer_Excel2007
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version 1.8.0, 2014-03-02
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*/
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/**
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* PHPExcel_Writer_Excel2007_ContentTypes
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*
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* @category PHPExcel
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* @package PHPExcel_Writer_Excel2007
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Writer_Excel2007_ContentTypes extends PHPExcel_Writer_Excel2007_WriterPart
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{
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/**
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* Write content types to XML format
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*
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* @param PHPExcel $pPHPExcel
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* @param boolean $includeCharts Flag indicating if we should include drawing details for charts
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* @return string XML Output
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* @throws PHPExcel_Writer_Exception
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*/
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public function writeContentTypes(PHPExcel $pPHPExcel = null, $includeCharts = FALSE)
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{
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// Create XML writer
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$objWriter = null;
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if ($this->getParentWriter()->getUseDiskCaching()) {
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$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
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} else {
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$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
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}
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// XML header
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$objWriter->startDocument('1.0','UTF-8','yes');
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// Types
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$objWriter->startElement('Types');
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$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/content-types');
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// Theme
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$this->_writeOverrideContentType(
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$objWriter, '/xl/theme/theme1.xml', 'application/vnd.openxmlformats-officedocument.theme+xml'
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);
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// Styles
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$this->_writeOverrideContentType(
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$objWriter, '/xl/styles.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml'
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);
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// Rels
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$this->_writeDefaultContentType(
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$objWriter, 'rels', 'application/vnd.openxmlformats-package.relationships+xml'
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);
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// XML
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$this->_writeDefaultContentType(
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$objWriter, 'xml', 'application/xml'
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);
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// VML
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$this->_writeDefaultContentType(
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$objWriter, 'vml', 'application/vnd.openxmlformats-officedocument.vmlDrawing'
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);
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// Workbook
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if($pPHPExcel->hasMacros()){ //Macros in workbook ?
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// Yes : not standard content but "macroEnabled"
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$this->_writeOverrideContentType(
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$objWriter, '/xl/workbook.xml', 'application/vnd.ms-excel.sheet.macroEnabled.main+xml'
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);
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//... and define a new type for the VBA project
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$this->_writeDefaultContentType(
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$objWriter, 'bin', 'application/vnd.ms-office.vbaProject'
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);
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if($pPHPExcel->hasMacrosCertificate()){// signed macros ?
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// Yes : add needed information
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$this->_writeOverrideContentType(
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$objWriter, '/xl/vbaProjectSignature.bin', 'application/vnd.ms-office.vbaProjectSignature'
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);
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}
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}else{// no macros in workbook, so standard type
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$this->_writeOverrideContentType(
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$objWriter, '/xl/workbook.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml'
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);
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}
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// DocProps
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$this->_writeOverrideContentType(
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$objWriter, '/docProps/app.xml', 'application/vnd.openxmlformats-officedocument.extended-properties+xml'
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);
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$this->_writeOverrideContentType(
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$objWriter, '/docProps/core.xml', 'application/vnd.openxmlformats-package.core-properties+xml'
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);
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$customPropertyList = $pPHPExcel->getProperties()->getCustomProperties();
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if (!empty($customPropertyList)) {
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$this->_writeOverrideContentType(
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$objWriter, '/docProps/custom.xml', 'application/vnd.openxmlformats-officedocument.custom-properties+xml'
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);
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}
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// Worksheets
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$sheetCount = $pPHPExcel->getSheetCount();
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for ($i = 0; $i < $sheetCount; ++$i) {
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$this->_writeOverrideContentType(
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$objWriter, '/xl/worksheets/sheet' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml'
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);
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}
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// Shared strings
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$this->_writeOverrideContentType(
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$objWriter, '/xl/sharedStrings.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml'
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);
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// Add worksheet relationship content types
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$chart = 1;
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for ($i = 0; $i < $sheetCount; ++$i) {
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$drawings = $pPHPExcel->getSheet($i)->getDrawingCollection();
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$drawingCount = count($drawings);
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$chartCount = ($includeCharts) ? $pPHPExcel->getSheet($i)->getChartCount() : 0;
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// We need a drawing relationship for the worksheet if we have either drawings or charts
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if (($drawingCount > 0) || ($chartCount > 0)) {
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$this->_writeOverrideContentType(
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$objWriter, '/xl/drawings/drawing' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.drawing+xml'
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);
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}
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// If we have charts, then we need a chart relationship for every individual chart
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if ($chartCount > 0) {
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for ($c = 0; $c < $chartCount; ++$c) {
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$this->_writeOverrideContentType(
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$objWriter, '/xl/charts/chart' . $chart++ . '.xml', 'application/vnd.openxmlformats-officedocument.drawingml.chart+xml'
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);
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}
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}
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}
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// Comments
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for ($i = 0; $i < $sheetCount; ++$i) {
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if (count($pPHPExcel->getSheet($i)->getComments()) > 0) {
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$this->_writeOverrideContentType(
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$objWriter, '/xl/comments' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml'
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);
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}
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}
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// Add media content-types
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$aMediaContentTypes = array();
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$mediaCount = $this->getParentWriter()->getDrawingHashTable()->count();
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for ($i = 0; $i < $mediaCount; ++$i) {
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$extension = '';
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$mimeType = '';
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if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPExcel_Worksheet_Drawing) {
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$extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getExtension());
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$mimeType = $this->_getImageMimeType( $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getPath() );
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} else if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPExcel_Worksheet_MemoryDrawing) {
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$extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType());
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$extension = explode('/', $extension);
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$extension = $extension[1];
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$mimeType = $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType();
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}
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if (!isset( $aMediaContentTypes[$extension]) ) {
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$aMediaContentTypes[$extension] = $mimeType;
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$this->_writeDefaultContentType(
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$objWriter, $extension, $mimeType
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);
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}
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}
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if($pPHPExcel->hasRibbonBinObjects()){//Some additional objects in the ribbon ?
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//we need to write "Extension" but not already write for media content
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$tabRibbonTypes=array_diff($pPHPExcel->getRibbonBinObjects('types'), array_keys($aMediaContentTypes));
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foreach($tabRibbonTypes as $aRibbonType){
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$mimeType='image/.'.$aRibbonType;//we wrote $mimeType like customUI Editor
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$this->_writeDefaultContentType(
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$objWriter, $aRibbonType, $mimeType
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);
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}
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}
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$sheetCount = $pPHPExcel->getSheetCount();
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for ($i = 0; $i < $sheetCount; ++$i) {
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if (count($pPHPExcel->getSheet()->getHeaderFooter()->getImages()) > 0) {
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foreach ($pPHPExcel->getSheet()->getHeaderFooter()->getImages() as $image) {
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if (!isset( $aMediaContentTypes[strtolower($image->getExtension())]) ) {
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$aMediaContentTypes[strtolower($image->getExtension())] = $this->_getImageMimeType( $image->getPath() );
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$this->_writeDefaultContentType(
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$objWriter, strtolower($image->getExtension()), $aMediaContentTypes[strtolower($image->getExtension())]
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);
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}
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}
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}
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}
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$objWriter->endElement();
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// Return
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return $objWriter->getData();
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}
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/**
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* Get image mime type
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*
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* @param string $pFile Filename
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* @return string Mime Type
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* @throws PHPExcel_Writer_Exception
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*/
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private function _getImageMimeType($pFile = '')
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{
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if (PHPExcel_Shared_File::file_exists($pFile)) {
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$image = getimagesize($pFile);
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return image_type_to_mime_type($image[2]);
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} else {
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throw new PHPExcel_Writer_Exception("File $pFile does not exist");
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}
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}
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/**
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* Write Default content type
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*
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* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer
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* @param string $pPartname Part name
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* @param string $pContentType Content type
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* @throws PHPExcel_Writer_Exception
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*/
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private function _writeDefaultContentType(PHPExcel_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '')
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{
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if ($pPartname != '' && $pContentType != '') {
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// Write content type
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$objWriter->startElement('Default');
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$objWriter->writeAttribute('Extension', $pPartname);
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$objWriter->writeAttribute('ContentType', $pContentType);
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$objWriter->endElement();
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} else {
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throw new PHPExcel_Writer_Exception("Invalid parameters passed.");
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}
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}
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/**
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* Write Override content type
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*
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* @param PHPExcel_Shared_XMLWriter $objWriter XML Writer
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* @param string $pPartname Part name
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* @param string $pContentType Content type
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* @throws PHPExcel_Writer_Exception
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*/
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private function _writeOverrideContentType(PHPExcel_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '')
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{
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if ($pPartname != '' && $pContentType != '') {
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// Write content type
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$objWriter->startElement('Override');
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$objWriter->writeAttribute('PartName', $pPartname);
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$objWriter->writeAttribute('ContentType', $pContentType);
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$objWriter->endElement();
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} else {
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throw new PHPExcel_Writer_Exception("Invalid parameters passed.");
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}
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}
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}
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