/**
* Write drawings to XML format
*
* @param \PHPExcel\Worksheet $pWorksheet
* @param int &$chartRef Chart ID
* @param boolean $includeCharts Flag indicating if we should include drawing details for charts
* @return string XML Output
* @throws \PHPExcel\Writer\Exception
*/
public function writeDrawings(\PHPExcel\Worksheet $pWorksheet, &$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');
// xdr:wsDr
$objWriter->startElement('xdr:wsDr');
$objWriter->writeAttribute('xmlns:xdr', 'http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing');
$objWriter->writeAttribute('xmlns:a', 'http://schemas.openxmlformats.org/drawingml/2006/main');
// Loop through images and write drawings
$i = 1;
$iterator = $pWorksheet->getDrawingCollection()->getIterator();
while ($iterator->valid()) {
$this->writeDrawing($objWriter, $iterator->current(), $i);
$iterator->next();
++$i;
}
if ($includeCharts) {
$chartCount = $pWorksheet->getChartCount();
// Loop through charts and write the chart position
if ($chartCount > 0) {
for ($c = 0; $c < $chartCount; ++$c) {
$this->writeChart($objWriter, $pWorksheet->getChartByIndex($c), $c + $i);
}
}
}
$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 $pWorksheet, &$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 $objWriter->getData();
}
