/**
* Set Slide
*
* @param \PhpOffice\PhpPowerpoint\Slide $pValue
* @param bool $pOverrideOld If a Slide has already been assigned, overwrite it and remove image from old Slide?
* @throws \Exception
* @return self
*/
public function setSlide(Slide $pValue = null, $pOverrideOld = false)
{
if (is_null($this->slide)) {
// Add drawing to \PhpOffice\PhpPowerpoint\Slide
$this->slide = $pValue;
if (!is_null($this->slide)) {
$this->slide->getShapeCollection()->append($this);
}
} else {
if ($pOverrideOld) {
// Remove drawing from old \PhpOffice\PhpPowerpoint\Slide
$iterator = $this->slide->getShapeCollection()->getIterator();
while ($iterator->valid()) {
if ($iterator->current()->getHashCode() == $this->getHashCode()) {
$this->slide->getShapeCollection()->offsetUnset($iterator->key());
$this->slide = null;
break;
}
}
// Set new \PhpOffice\PhpPowerpoint\Slide
$this->setSlide($pValue);
} else {
throw new \Exception("A \\PhpOffice\\PhpPowerpoint\\Slide has already been assigned. Shapes can only exist on one \\PhpOffice\\PhpPowerpoint\\Slide.");
}
}
return $this;
}
/**
* Write slide relationships to XML format
*
* @param \PhpOffice\PhpPowerpoint\Slide $pSlide
* @return string XML Output
* @throws \Exception
*/
public function writeSlideRelationships(SlideElement $pSlide)
{
// Create XML writer
$objWriter = $this->getXMLWriter();
// XML header
$objWriter->startDocument('1.0', 'UTF-8', 'yes');
// Relationships
$objWriter->startElement('Relationships');
$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
// Starting relation id
$relId = 1;
// Write slideLayout relationship
$parentWriter = $this->getParentWriter();
if ($parentWriter instanceof PowerPoint2007) {
$layoutPack = $parentWriter->getLayoutPack();
$layoutIndex = $layoutPack->findlayoutIndex($pSlide->getSlideLayout(), $pSlide->getSlideMasterId());
$this->writeRelationship($objWriter, $relId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout', '../slideLayouts/slideLayout' . ($layoutIndex + 1) . '.xml');
}
// Write drawing relationships?
if ($pSlide->getShapeCollection()->count() > 0) {
// Loop trough images and write relationships
$iterator = $pSlide->getShapeCollection()->getIterator();
while ($iterator->valid()) {
if ($iterator->current() instanceof ShapeDrawing || $iterator->current() instanceof MemoryDrawing) {
// Write relationship for image drawing
$this->writeRelationship($objWriter, $relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image', '../media/' . str_replace(' ', '_', $iterator->current()->getIndexedFilename()));
$iterator->current()->relationId = 'rId' . $relId;
++$relId;
} elseif ($iterator->current() instanceof ShapeChart) {
// Write relationship for chart drawing
$this->writeRelationship($objWriter, $relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart', '../charts/' . $iterator->current()->getIndexedFilename());
$iterator->current()->relationId = 'rId' . $relId;
++$relId;
}
$iterator->next();
}
}
// Write hyperlink relationships?
if ($pSlide->getShapeCollection()->count() > 0) {
// Loop trough hyperlinks and write relationships
$iterator = $pSlide->getShapeCollection()->getIterator();
while ($iterator->valid()) {
// Hyperlink on shape
if ($iterator->current()->hasHyperlink()) {
// Write relationship for hyperlink
$hyperlink = $iterator->current()->getHyperlink();
$hyperlink->relationId = 'rId' . $relId;
if (!$hyperlink->isInternal()) {
$this->writeRelationship($objWriter, $relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink', $hyperlink->getUrl(), 'External');
} else {
$this->writeRelationship($objWriter, $relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide', 'slide' . $hyperlink->getSlideNumber() . '.xml');
}
++$relId;
}
// Hyperlink on rich text run
if ($iterator->current() instanceof RichText) {
foreach ($iterator->current()->getParagraphs() as $paragraph) {
foreach ($paragraph->getRichTextElements() as $element) {
if ($element instanceof Run || $element instanceof TextElement) {
if ($element->hasHyperlink()) {
// Write relationship for hyperlink
$hyperlink = $element->getHyperlink();
$hyperlink->relationId = 'rId' . $relId;
if (!$hyperlink->isInternal()) {
$this->writeRelationship($objWriter, $relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink', $hyperlink->getUrl(), 'External');
} else {
$this->writeRelationship($objWriter, $relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide', 'slide' . $hyperlink->getSlideNumber() . '.xml');
}
++$relId;
}
}
}
}
}
$iterator->next();
}
}
$objWriter->endElement();
// Return
return $objWriter->getData();
}
