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<?php |
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namespace PhpOffice\PhpPresentation\Writer\PowerPoint2007; |
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use PhpOffice\Common\XMLWriter; |
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use PhpOffice\PhpPresentation\Shape\Comment; |
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use PhpOffice\PhpPresentation\Shape\Comment\Author; |
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class Relationships extends AbstractDecoratorWriter |
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{ |
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/** |
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* Add relationships to ZIP file |
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* @return \PhpOffice\Common\Adapter\Zip\ZipInterface |
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* @throws \Exception |
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*/ |
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public function render() |
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{ |
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$this->getZip()->addFromString('_rels/.rels', $this->writeRelationships()); |
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$this->getZip()->addFromString('ppt/_rels/presentation.xml.rels', $this->writePresentationRelationships()); |
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return $this->getZip(); |
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} |
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/** |
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* Write relationships to XML format |
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* |
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* @return string XML Output |
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* @throws \Exception |
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*/ |
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public function writeRelationships() |
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{ |
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// Create XML writer |
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$objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY); |
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// XML header |
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$objWriter->startDocument('1.0', 'UTF-8', 'yes'); |
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// Relationships |
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$objWriter->startElement('Relationships'); |
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$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships'); |
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// Relationship ppt/presentation.xml |
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$this->writeRelationship($objWriter, 1, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument', 'ppt/presentation.xml'); |
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// Relationship docProps/core.xml |
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$this->writeRelationship($objWriter, 2, 'http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties', 'docProps/core.xml'); |
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// Relationship docProps/app.xml |
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$this->writeRelationship($objWriter, 3, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties', 'docProps/app.xml'); |
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// Relationship docProps/custom.xml |
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$this->writeRelationship($objWriter, 4, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties', 'docProps/custom.xml'); |
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$idxRelation = 5; |
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// Thumbnail |
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if ($this->getPresentation()->getPresentationProperties()->getThumbnailPath()) { |
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$pathThumbnail = file_get_contents($this->getPresentation()->getPresentationProperties()->getThumbnailPath()); |
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$gdImage = imagecreatefromstring($pathThumbnail); |
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if ($gdImage) { |
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imagedestroy($gdImage); |
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// Relationship docProps/thumbnail.jpeg |
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$this->writeRelationship($objWriter, $idxRelation, 'http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail', 'docProps/thumbnail.jpeg'); |
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} |
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} |
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// ++$idxRelation |
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$objWriter->endElement(); |
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// Return |
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return $objWriter->getData(); |
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} |
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/** |
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* Write presentation relationships to XML format |
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* |
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* @return string XML Output |
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* @throws \Exception |
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*/ |
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public function writePresentationRelationships() |
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{ |
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// Create XML writer |
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$objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY); |
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// XML header |
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$objWriter->startDocument('1.0', 'UTF-8', 'yes'); |
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// Relationships |
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$objWriter->startElement('Relationships'); |
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$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships'); |
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// Relation id |
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$relationId = 1; |
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foreach ($this->getPresentation()->getAllMasterSlides() as $oMasterSlide) { |
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// Relationship slideMasters/slideMasterX.xml |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster', 'slideMasters/slideMaster' . $oMasterSlide->getRelsIndex() . '.xml'); |
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} |
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// Add slide theme (only one!) |
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// Relationship theme/theme1.xml |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme', 'theme/theme1.xml'); |
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// Relationships with slides |
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$slideCount = $this->getPresentation()->getSlideCount(); |
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for ($i = 0; $i < $slideCount; ++$i) { |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide', 'slides/slide' . ($i + 1) . '.xml'); |
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} |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/presProps', 'presProps.xml'); |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/viewProps', 'viewProps.xml'); |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/tableStyles', 'tableStyles.xml'); |
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// Comments Authors |
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foreach ($this->getPresentation()->getAllSlides() as $oSlide) { |
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foreach ($oSlide->getShapeCollection() as $oShape) { |
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if (!($oShape instanceof Comment)) { |
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continue; |
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} |
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$oAuthor = $oShape->getAuthor(); |
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if (!($oAuthor instanceof Author)) { |
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continue; |
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} |
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$this->writeRelationship($objWriter, $relationId++, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/commentAuthors', 'commentAuthors.xml'); |
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break 2; |
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} |
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} |
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$objWriter->endElement(); |
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// Return |
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return $objWriter->getData(); |
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} |
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} |
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PHPOffice /
PHPPresentation
