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<?php /** * PHPExcel_Writer_Excel2007_ContentTypes * * Copyright (c) 2006 - 2015 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @category PHPExcel * @package PHPExcel_Writer_Excel2007 * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## */ class PHPExcel_Writer_Excel2007_ContentTypes extends PHPExcel_Writer_Excel2007_WriterPart { /** * Write content types to XML format * * @param PHPExcel $pPHPExcel * @param boolean $includeCharts Flag indicating if we should include drawing details for charts * @return string XML Output * @throws PHPExcel_Writer_Exception */ public function writeContentTypes(PHPExcel $pPHPExcel = null, $includeCharts = false) { // Create XML writer $objWriter = null; if ($this->getParentWriter()->getUseDiskCaching()) { $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory()); } else { $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY); } // XML header $objWriter->startDocument('1.0', 'UTF-8', 'yes'); // Types $objWriter->startElement('Types'); $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/content-types'); // Theme $this->writeOverrideContentType($objWriter, '/xl/theme/theme1.xml', 'application/vnd.openxmlformats-officedocument.theme+xml'); // Styles $this->writeOverrideContentType($objWriter, '/xl/styles.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml'); // Rels $this->writeDefaultContentType($objWriter, 'rels', 'application/vnd.openxmlformats-package.relationships+xml'); // XML $this->writeDefaultContentType($objWriter, 'xml', 'application/xml'); // VML $this->writeDefaultContentType($objWriter, 'vml', 'application/vnd.openxmlformats-officedocument.vmlDrawing'); // Workbook if ($pPHPExcel->hasMacros()) { //Macros in workbook ? // Yes : not standard content but "macroEnabled" $this->writeOverrideContentType($objWriter, '/xl/workbook.xml', 'application/vnd.ms-excel.sheet.macroEnabled.main+xml'); //... and define a new type for the VBA project $this->writeDefaultContentType($objWriter, 'bin', 'application/vnd.ms-office.vbaProject'); if ($pPHPExcel->hasMacrosCertificate()) {// signed macros ? // Yes : add needed information $this->writeOverrideContentType($objWriter, '/xl/vbaProjectSignature.bin', 'application/vnd.ms-office.vbaProjectSignature'); } } else {// no macros in workbook, so standard type $this->writeOverrideContentType($objWriter, '/xl/workbook.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml'); } // DocProps $this->writeOverrideContentType($objWriter, '/docProps/app.xml', 'application/vnd.openxmlformats-officedocument.extended-properties+xml'); $this->writeOverrideContentType($objWriter, '/docProps/core.xml', 'application/vnd.openxmlformats-package.core-properties+xml'); $customPropertyList = $pPHPExcel->getProperties()->getCustomProperties(); if (!empty($customPropertyList)) { $this->writeOverrideContentType($objWriter, '/docProps/custom.xml', 'application/vnd.openxmlformats-officedocument.custom-properties+xml'); } // Worksheets $sheetCount = $pPHPExcel->getSheetCount(); for ($i = 0; $i < $sheetCount; ++$i) { $this->writeOverrideContentType($objWriter, '/xl/worksheets/sheet' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml'); } // Shared strings $this->writeOverrideContentType($objWriter, '/xl/sharedStrings.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml'); // Add worksheet relationship content types $chart = 1; for ($i = 0; $i < $sheetCount; ++$i) { $drawings = $pPHPExcel->getSheet($i)->getDrawingCollection(); $drawingCount = count($drawings); $chartCount = ($includeCharts) ? $pPHPExcel->getSheet($i)->getChartCount() : 0; // We need a drawing relationship for the worksheet if we have either drawings or charts if (($drawingCount > 0) || ($chartCount > 0)) { $this->writeOverrideContentType($objWriter, '/xl/drawings/drawing' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.drawing+xml'); } // If we have charts, then we need a chart relationship for every individual chart if ($chartCount > 0) { for ($c = 0; $c < $chartCount; ++$c) { $this->writeOverrideContentType($objWriter, '/xl/charts/chart' . $chart++ . '.xml', 'application/vnd.openxmlformats-officedocument.drawingml.chart+xml'); } } } // Comments for ($i = 0; $i < $sheetCount; ++$i) { if (count($pPHPExcel->getSheet($i)->getComments()) > 0) { $this->writeOverrideContentType($objWriter, '/xl/comments' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml'); } } // Add media content-types $aMediaContentTypes = array(); $mediaCount = $this->getParentWriter()->getDrawingHashTable()->count(); for ($i = 0; $i < $mediaCount; ++$i) { $extension = ''; $mimeType = ''; if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPExcel_Worksheet_Drawing) { $extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getExtension()); $mimeType = $this->getImageMimeType($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getPath()); } elseif ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPExcel_Worksheet_MemoryDrawing) { $extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType()); $extension = explode('/', $extension); $extension = $extension[1]; $mimeType = $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType(); } if (!isset( $aMediaContentTypes[$extension])) { $aMediaContentTypes[$extension] = $mimeType; $this->writeDefaultContentType($objWriter, $extension, $mimeType); } } if ($pPHPExcel->hasRibbonBinObjects()) { // Some additional objects in the ribbon ? // we need to write "Extension" but not already write for media content $tabRibbonTypes=array_diff($pPHPExcel->getRibbonBinObjects('types'), array_keys($aMediaContentTypes)); foreach ($tabRibbonTypes as $aRibbonType) { $mimeType='image/.'.$aRibbonType;//we wrote $mimeType like customUI Editor $this->writeDefaultContentType($objWriter, $aRibbonType, $mimeType); } } $sheetCount = $pPHPExcel->getSheetCount(); for ($i = 0; $i < $sheetCount; ++$i) { if (count($pPHPExcel->getSheet()->getHeaderFooter()->getImages()) > 0) { foreach ($pPHPExcel->getSheet()->getHeaderFooter()->getImages() as $image) { if (!isset( $aMediaContentTypes[strtolower($image->getExtension())])) { $aMediaContentTypes[strtolower($image->getExtension())] = $this->getImageMimeType($image->getPath()); $this->writeDefaultContentType($objWriter, strtolower($image->getExtension()), $aMediaContentTypes[strtolower($image->getExtension())]); } } } } $objWriter->endElement(); // Return return $objWriter->getData(); } /** * Get image mime type * * @param string $pFile Filename * @return string Mime Type * @throws PHPExcel_Writer_Exception */ private function getImageMimeType($pFile = '') { if (PHPExcel_Shared_File::file_exists($pFile)) { $image = getimagesize($pFile); return image_type_to_mime_type($image[2]); } else { throw new PHPExcel_Writer_Exception("File $pFile does not exist"); } } /** * Write Default content type * * @param PHPExcel_Shared_XMLWriter $objWriter XML Writer * @param string $pPartname Part name * @param string $pContentType Content type * @throws PHPExcel_Writer_Exception */ private function writeDefaultContentType(PHPExcel_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '') { if ($pPartname != '' && $pContentType != '') { // Write content type $objWriter->startElement('Default'); $objWriter->writeAttribute('Extension', $pPartname); $objWriter->writeAttribute('ContentType', $pContentType); $objWriter->endElement(); } else { throw new PHPExcel_Writer_Exception("Invalid parameters passed."); } } /** * Write Override content type * * @param PHPExcel_Shared_XMLWriter $objWriter XML Writer * @param string $pPartname Part name * @param string $pContentType Content type * @throws PHPExcel_Writer_Exception */ private function writeOverrideContentType(PHPExcel_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '') { if ($pPartname != '' && $pContentType != '') { // Write content type $objWriter->startElement('Override'); $objWriter->writeAttribute('PartName', $pPartname); $objWriter->writeAttribute('ContentType', $pContentType); $objWriter->endElement(); } else { throw new PHPExcel_Writer_Exception("Invalid parameters passed."); } } }
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