WebSVN – eFlore/Applications.cel – /branches/v2.20-pistolet-arroseur/jrest/lib/PHPExcel/Classes/PHPExcel/Writer/Excel2007/Rels.php

<?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_Rels
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer_Excel2007
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Writer_Excel2007_Rels extends PHPExcel_Writer_Excel2007_WriterPart
{
        /**
         * Write relationships to XML format
         *
         * @param       PHPExcel        $pPHPExcel
         * @return      string          XML Output
         * @throws      PHPExcel_Writer_Exception
         */
        public function writeRelationships(PHPExcel $pPHPExcel = null)
        {
                // 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');

                // Relationships
                $objWriter->startElement('Relationships');
                $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');

                        $customPropertyList = $pPHPExcel->getProperties()->getCustomProperties();
                        if (!empty($customPropertyList)) {
                                // Relationship docProps/app.xml
                                $this->_writeRelationship(
                                        $objWriter,
                                        4,
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties',
                                        'docProps/custom.xml'
                                );

                        }

                        // Relationship docProps/app.xml
                        $this->_writeRelationship(
                                $objWriter,
                                3,
                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties',
                                'docProps/app.xml'
                        );

                        // Relationship docProps/core.xml
                        $this->_writeRelationship(
                                $objWriter,
                                2,
                                'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties',
                                'docProps/core.xml'
                        );

                        // Relationship xl/workbook.xml
                        $this->_writeRelationship(
                                $objWriter,
                                1,
                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument',
                                'xl/workbook.xml'
                        );

                $objWriter->endElement();

                // Return
                return $objWriter->getData();
        }

        /**
         * Write workbook relationships to XML format
         *
         * @param       PHPExcel        $pPHPExcel
         * @return      string          XML Output
         * @throws      PHPExcel_Writer_Exception
         */
        public function writeWorkbookRelationships(PHPExcel $pPHPExcel = null)
        {
                // 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');

                // Relationships
                $objWriter->startElement('Relationships');
                $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');

                        // Relationship styles.xml
                        $this->_writeRelationship(
                                $objWriter,
                                1,
                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles',
                                'styles.xml'
                        );

                        // Relationship theme/theme1.xml
                        $this->_writeRelationship(
                                $objWriter,
                                2,
                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme',
                                'theme/theme1.xml'
                        );

                        // Relationship sharedStrings.xml
                        $this->_writeRelationship(
                                $objWriter,
                                3,
                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings',
                                'sharedStrings.xml'
                        );

                        // Relationships with sheets
                        $sheetCount = $pPHPExcel->getSheetCount();
                        for ($i = 0; $i < $sheetCount; ++$i) {
                                $this->_writeRelationship(
                                        $objWriter,
                                        ($i + 1 + 3),
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet',
                                        'worksheets/sheet' . ($i + 1) . '.xml'
                                );
                        }

                $objWriter->endElement();

                // Return
                return $objWriter->getData();
        }

        /**
         * Write worksheet relationships to XML format
         *
         * Numbering is as follows:
         *      rId1                            - Drawings
         *  rId_hyperlink_x     - Hyperlinks
         *
         * @param       PHPExcel_Worksheet      $pWorksheet
         * @param       int                                     $pWorksheetId
         * @param       boolean                         $includeCharts  Flag indicating if we should write charts
         * @return      string                          XML Output
         * @throws      PHPExcel_Writer_Exception
         */
        public function writeWorksheetRelationships(PHPExcel_Worksheet $pWorksheet = null, $pWorksheetId = 1, $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');

                // Relationships
                $objWriter->startElement('Relationships');
                $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');

                        // Write drawing relationships?
                        $d = 0;
                        if ($includeCharts) {
                                $charts = $pWorksheet->getChartCollection();
                        } else {
                                $charts = array();
                        }
                        if (($pWorksheet->getDrawingCollection()->count() > 0) ||
                                (count($charts) > 0)) {
                                $this->_writeRelationship(
                                        $objWriter,
                                        ++$d,
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing',
                                        '../drawings/drawing' . $pWorksheetId . '.xml'
                                );
                        }

                        // Write chart relationships?
//                      $chartCount = 0;
//                      $charts = $pWorksheet->getChartCollection();
//                      echo 'Chart Rels: ' , count($charts) , '<br />';
//                      if (count($charts) > 0) {
//                              foreach($charts as $chart) {
//                                      $this->_writeRelationship(
//                                              $objWriter,
//                                              ++$d,
//                                              'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',
//                                              '../charts/chart' . ++$chartCount . '.xml'
//                                      );
//                              }
//                      }
//
                        // Write hyperlink relationships?
                        $i = 1;
                        foreach ($pWorksheet->getHyperlinkCollection() as $hyperlink) {
                                if (!$hyperlink->isInternal()) {
                                        $this->_writeRelationship(
                                                $objWriter,
                                                '_hyperlink_' . $i,
                                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink',
                                                $hyperlink->getUrl(),
                                                'External'
                                        );

                                        ++$i;
                                }
                        }

                        // Write comments relationship?
                        $i = 1;
                        if (count($pWorksheet->getComments()) > 0) {
                                $this->_writeRelationship(
                                        $objWriter,
                                        '_comments_vml' . $i,
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing',
                                        '../drawings/vmlDrawing' . $pWorksheetId . '.vml'
                                );

                                $this->_writeRelationship(
                                        $objWriter,
                                        '_comments' . $i,
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments',
                                        '../comments' . $pWorksheetId . '.xml'
                                );
                        }

                        // Write header/footer relationship?
                        $i = 1;
                        if (count($pWorksheet->getHeaderFooter()->getImages()) > 0) {
                                $this->_writeRelationship(
                                        $objWriter,
                                        '_headerfooter_vml' . $i,
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing',
                                        '../drawings/vmlDrawingHF' . $pWorksheetId . '.vml'
                                );
                        }

                $objWriter->endElement();

                // Return
                return $objWriter->getData();
        }

        /**
         * Write drawing relationships to XML format
         *
         * @param       PHPExcel_Worksheet      $pWorksheet
         * @param       int                                     &$chartRef              Chart ID
         * @param       boolean                         $includeCharts  Flag indicating if we should write charts
         * @return      string                          XML Output
         * @throws      PHPExcel_Writer_Exception
         */
        public function writeDrawingRelationships(PHPExcel_Worksheet $pWorksheet = null, &$chartRef, $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');

                // Relationships
                $objWriter->startElement('Relationships');
                $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');

                        // Loop through images and write relationships
                        $i = 1;
                        $iterator = $pWorksheet->getDrawingCollection()->getIterator();
                        while ($iterator->valid()) {
                                if ($iterator->current() instanceof PHPExcel_Worksheet_Drawing
                                        || $iterator->current() instanceof PHPExcel_Worksheet_MemoryDrawing) {
                                        // Write relationship for image drawing
                                        $this->_writeRelationship(
                                                $objWriter,
                                                $i,
                                                'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
                                                '../media/' . str_replace(' ', '', $iterator->current()->getIndexedFilename())
                                        );
                                }

                                $iterator->next();
                                ++$i;
                        }

                        if ($includeCharts) {
                                // Loop through charts and write relationships
                                $chartCount = $pWorksheet->getChartCount();
                                if ($chartCount > 0) {
                                        for ($c = 0; $c < $chartCount; ++$c) {
                                                $this->_writeRelationship(
                                                        $objWriter,
                                                        $i++,
                                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',
                                                        '../charts/chart' . ++$chartRef . '.xml'
                                                );
                                        }
                                }
                        }

                $objWriter->endElement();

                // Return
                return $objWriter->getData();
        }

        /**
         * Write header/footer drawing relationships to XML format
         *
         * @param       PHPExcel_Worksheet                      $pWorksheet
         * @return      string                                          XML Output
         * @throws      PHPExcel_Writer_Exception
         */
        public function writeHeaderFooterDrawingRelationships(PHPExcel_Worksheet $pWorksheet = null)
        {
                // 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');

                // Relationships
                $objWriter->startElement('Relationships');
                $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');

                        // Loop through images and write relationships
                        foreach ($pWorksheet->getHeaderFooter()->getImages() as $key => $value) {
                                // Write relationship for image drawing
                                $this->_writeRelationship(
                                        $objWriter,
                                        $key,
                                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
                                        '../media/' . $value->getIndexedFilename()
                                );
                        }

                $objWriter->endElement();

                // Return
                return $objWriter->getData();
        }

        /**
         * Write Override content type
         *
         * @param       PHPExcel_Shared_XMLWriter       $objWriter              XML Writer
         * @param       int                                                     $pId                    Relationship ID. rId will be prepended!
         * @param       string                                          $pType                  Relationship type
         * @param       string                                          $pTarget                Relationship target
         * @param       string                                          $pTargetMode    Relationship target mode
         * @throws      PHPExcel_Writer_Exception
         */
        private function _writeRelationship(PHPExcel_Shared_XMLWriter $objWriter = null, $pId = 1, $pType = '', $pTarget = '', $pTargetMode = '')
        {
                if ($pType != '' && $pTarget != '') {
                        // Write relationship
                        $objWriter->startElement('Relationship');
                        $objWriter->writeAttribute('Id',                'rId' . $pId);
                        $objWriter->writeAttribute('Type',              $pType);
                        $objWriter->writeAttribute('Target',    $pTarget);

                        if ($pTargetMode != '') {
                                $objWriter->writeAttribute('TargetMode',        $pTargetMode);
                        }

                        $objWriter->endElement();
                } else {
                        throw new PHPExcel_Writer_Exception("Invalid parameters passed.");
                }
        }
}
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