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<?php
/**
* PHPPowerPoint
*
* Copyright (c) 2009 - 2010 PHPPowerPoint
*
* 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 PHPPowerPoint
* @package PHPPowerPoint_Writer_PowerPoint2007
* @copyright Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
/**
* PHPPowerPoint_Writer_PowerPoint2007_Rels
*
* @category PHPPowerPoint
* @package PHPPowerPoint_Writer_PowerPoint2007
* @copyright Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
*/
class PHPPowerPoint_Writer_PowerPoint2007_Rels extends PHPPowerPoint_Writer_PowerPoint2007_WriterPart
{
/**
* Write relationships to XML format
*
* @param PHPPowerPoint $pPHPPowerPoint
* @return string XML Output
* @throws Exception
*/
public function writeRelationships(PHPPowerPoint $pPHPPowerPoint = null)
{
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_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 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 ppt/presentation.xml
$this->_writeRelationship(
$objWriter,
1,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument',
'ppt/presentation.xml'
);
$objWriter->endElement();
// Return
return $objWriter->getData();
}
/**
* Write presentation relationships to XML format
*
* @param PHPPowerPoint $pPHPPowerPoint
* @return string XML Output
* @throws Exception
*/
public function writePresentationRelationships(PHPPowerPoint $pPHPPowerPoint = null)
{
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_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');
// Relation id
$relationId = 1;
// Add slide masters
$masterSlides = $this->getParentWriter()->getLayoutPack()->getMasterSlides();
foreach ($masterSlides as $masterSlide) {
// Relationship slideMasters/slideMasterX.xml
$this->_writeRelationship(
$objWriter,
$relationId++,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster',
'slideMasters/slideMaster' . $masterSlide['masterid'] . '.xml'
);
}
// Add slide theme (only one!)
// Relationship theme/theme1.xml
$this->_writeRelationship(
$objWriter,
$relationId++,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme',
'theme/theme1.xml'
);
// Relationships with slides
$slideCount = $pPHPPowerPoint->getSlideCount();
for ($i = 0; $i < $slideCount; ++$i) {
$this->_writeRelationship(
$objWriter,
($i + $relationId),
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide',
'slides/slide' . ($i + 1) . '.xml'
);
}
$objWriter->endElement();
// Return
return $objWriter->getData();
}
/**
* Write slide master relationships to XML format
*
* @param int $masterId Master slide id
* @return string XML Output
* @throws Exception
*/
public function writeSlideMasterRelationships($masterId = 1)
{
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_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');
// Keep content id
$contentId = 0;
// Lookup layouts
$layoutPack = $this->getParentWriter()->getLayoutPack();
$layouts = array();
foreach ($layoutPack->getLayouts() as $key => $layout) {
if ($layout['masterid'] == $masterId) {
$layouts[$key] = $layout;
}
}
// Write slideLayout relationships
foreach ($layouts as $key => $layout) {
$this->_writeRelationship(
$objWriter,
++$contentId,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout',
'../slideLayouts/slideLayout' . $key . '.xml'
);
}
// Relationship theme/theme1.xml
$this->_writeRelationship(
$objWriter,
++$contentId,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme',
'../theme/theme' . $masterId . '.xml'
);
// Other relationships
$otherRelations = $layoutPack->getMasterSlideRelations();
foreach ($otherRelations as $otherRelation)
{
if ($otherRelation['masterid'] == $masterId) {
$this->_writeRelationship(
$objWriter,
++$contentId,
$otherRelation['type'],
$otherRelation['target']
);
}
}
$objWriter->endElement();
// Return
return $objWriter->getData();
}
/**
* Write slide layout relationships to XML format
*
* @param int $masterId
* @return string XML Output
* @throws Exception
*/
public function writeSlideLayoutRelationships($slideLayoutIndex, $masterId = 1)
{
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_MEMORY);
}
// Layout pack
$layoutPack = $this->getParentWriter()->getLayoutPack();
// XML header
$objWriter->startDocument('1.0','UTF-8','yes');
// Relationships
$objWriter->startElement('Relationships');
$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
// Write slideMaster relationship
$this->_writeRelationship(
$objWriter,
1,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster',
'../slideMasters/slideMaster' . $masterId . '.xml'
);
// Other relationships
$otherRelations = $layoutPack->getLayoutRelations();
foreach ($otherRelations as $otherRelation)
{
if ($otherRelation['layoutId'] == $slideLayoutIndex)
{
$this->_writeRelationship(
$objWriter,
$otherRelation['id'],
$otherRelation['type'],
$otherRelation['target']
);
}
}
$objWriter->endElement();
// Return
return $objWriter->getData();
}
/**
* Write theme relationships to XML format
*
* @param int $masterId Master slide id
* @return string XML Output
* @throws Exception
*/
public function writeThemeRelationships($masterId = 1)
{
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_MEMORY);
}
// Layout pack
$layoutPack = $this->getParentWriter()->getLayoutPack();
// XML header
$objWriter->startDocument('1.0','UTF-8','yes');
// Relationships
$objWriter->startElement('Relationships');
$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
// Other relationships
$otherRelations = $layoutPack->getThemeRelations();
foreach ($otherRelations as $otherRelation)
{
if ($otherRelation['masterid'] == $masterId) {
$this->_writeRelationship(
$objWriter,
$otherRelation['id'],
$otherRelation['type'],
$otherRelation['target']
);
}
}
$objWriter->endElement();
// Return
return $objWriter->getData();
}
/**
* Write slide relationships to XML format
*
* @param PHPPowerPoint_Slide $pSlide
* @param int $pSlideId
* @return string XML Output
* @throws Exception
*/
public function writeSlideRelationships(PHPPowerPoint_Slide $pSlide = null, $pSlideId = 1)
{
// Create XML writer
$objWriter = null;
if ($this->getParentWriter()->getUseDiskCaching()) {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
} else {
$objWriter = new PHPPowerPoint_Shared_XMLWriter(PHPPowerPoint_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');
// Starting relation id
$relId = 1;
// Write slideLayout relationship
$layoutPack = $this->getParentWriter()->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 PHPPowerPoint_Shape_Drawing
|| $iterator->current() instanceof PHPPowerPoint_Shape_MemoryDrawing) {
// Write relationship for image drawing
$this->_writeRelationship(
$objWriter,
$relId,
'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
'../media/' . str_replace(' ', '', $iterator->current()->getIndexedFilename())
);
++$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 ($iterator->current() instanceof PHPPowerPoint_Shape_RichText) {
foreach ($iterator->current()->getParagraphs() as $paragraph) {
foreach ($paragraph->getRichTextElements() as $element) {
if ($element instanceof PHPPowerPoint_Shape_RichText_Run
|| $element instanceof PHPPowerPoint_Shape_RichText_TextElement)
{
if ($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();
}
/**
* Write Override content type
*
* @param PHPPowerPoint_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 Exception
*/
private function _writeRelationship(PHPPowerPoint_Shared_XMLWriter $objWriter = null, $pId = 1, $pType = '', $pTarget = '', $pTargetMode = '')
{
if ($pType != '' && $pTarget != '') {
if (strpos($pId, 'rId') === false) {
$pId = 'rId' . $pId;
}
// Write relationship
$objWriter->startElement('Relationship');
$objWriter->writeAttribute('Id', $pId);
$objWriter->writeAttribute('Type', $pType);
$objWriter->writeAttribute('Target', $pTarget);
if ($pTargetMode != '') {
$objWriter->writeAttribute('TargetMode', $pTargetMode);
}
$objWriter->endElement();
} else {
throw new Exception("Invalid parameters passed.");
}
}
}
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