Subversion Repositories eFlore/Applications.cel

<?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_Writer_Excel2007
 * @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_Writer_Excel2007_ContentTypes
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer_Excel2007
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
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
                        $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() );
                                } else if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($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
                                                );
                                }
                        }

                        $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.");
                }
        }
}