Rels.php in Loft Data Grids 6.2

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vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php

<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2014 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 - 2014 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 - 2014 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');

    // a custom UI in workbook ?
    if ($pPHPExcel
      ->hasRibbon()) {
      $this
        ->_writeRelationShip($objWriter, 5, 'http://schemas.microsoft.com/office/2006/relationships/ui/extensibility', $pPHPExcel
        ->getRibbonXMLData('target'));
    }
    $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');
    }

    // Relationships for vbaProject if needed
    // id : just after the last sheet
    if ($pPHPExcel
      ->hasMacros()) {
      $this
        ->_writeRelationShip($objWriter, $i + 1 + 3, 'http://schemas.microsoft.com/office/2006/relationships/vbaProject', 'vbaProject.bin');
      ++$i;

      //increment i if needed for an another relation
    }
    $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.");
    }
  }

}

Classes

Name	Description
PHPExcel_Writer_Excel2007_Rels	PHPExcel_Writer_Excel2007_Rels