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<?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 1.8.0, 2014-03-02
*/
/**
* 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.");
}
}
}
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