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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 0.1.0, 2009-04-27
*/
/** PHPPowerPoint */
require_once 'PHPPowerPoint.php';
/** PHPPowerPoint_Writer_PowerPoint2007 */
require_once 'PHPPowerPoint/Writer/PowerPoint2007.php';
/** PHPPowerPoint_Writer_PowerPoint2007_WriterPart */
require_once 'PHPPowerPoint/Writer/PowerPoint2007/WriterPart.php';
/** PHPPowerPoint_Shared_File */
require_once 'PHPPowerPoint/Shared/File.php';
/** PHPPowerPoint_Shared_XMLWriter */
require_once 'PHPPowerPoint/Shared/XMLWriter.php';
/**
* PHPPowerPoint_Writer_PowerPoint2007_ContentTypes
*
* @category PHPPowerPoint
* @package PHPPowerPoint_Writer_PowerPoint2007
* @copyright Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
*/
class PHPPowerPoint_Writer_PowerPoint2007_ContentTypes extends PHPPowerPoint_Writer_PowerPoint2007_WriterPart
{
/**
* Write content types to XML format
*
* @param PHPPowerPoint $pPHPPowerPoint
* @return string XML Output
* @throws Exception
*/
public function writeContentTypes(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');
// Types
$objWriter->startElement('Types');
$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/content-types');
// Rels
$this->_writeDefaultContentType(
$objWriter, 'rels', 'application/vnd.openxmlformats-package.relationships+xml'
);
// XML
$this->_writeDefaultContentType(
$objWriter, 'xml', 'application/xml'
);
// Theme
$this->_writeOverrideContentType(
$objWriter, '/ppt/theme/theme1.xml', 'application/vnd.openxmlformats-officedocument.theme+xml'
);
// Presentation
$this->_writeOverrideContentType(
$objWriter, '/ppt/presentation.xml', 'application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml'
);
// DocProps
$this->_writeOverrideContentType(
$objWriter, '/docProps/app.xml', 'application/vnd.openxmlformats-officedocument.extended-properties+xml'
);
$this->_writeOverrideContentType(
$objWriter, '/docProps/core.xml', 'application/vnd.openxmlformats-package.core-properties+xml'
);
// Slide master
$this->_writeOverrideContentType(
$objWriter, '/ppt/slideMasters/slideMaster1.xml', 'application/vnd.openxmlformats-officedocument.presentationml.slideMaster+xml'
);
// Slide layouts
$slideLayouts = $this->getParentWriter()->getLayoutPack()->getLayouts();
for ($i = 0; $i < count($slideLayouts); ++$i) {
$this->_writeOverrideContentType(
$objWriter, '/ppt/slideLayouts/slideLayout' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml'
);
}
// Slides
$slideCount = $pPHPPowerPoint->getSlideCount();
for ($i = 0; $i < $slideCount; ++$i) {
$this->_writeOverrideContentType(
$objWriter, '/ppt/slides/slide' . ($i + 1) . '.xml', 'application/vnd.openxmlformats-officedocument.presentationml.slide+xml'
);
}
// Add media content-types
$aMediaContentTypes = array();
$mediaCount = $this->getParentWriter()->getDrawingHashTable()->count();
for ($i = 0; $i < $mediaCount; ++$i) {
$extension = '';
$mimeType = '';
if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPPowerPoint_Shape_Drawing) {
$extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getExtension());
$mimeType = $this->_getImageMimeType( $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getPath() );
} else if ($this->getParentWriter()->getDrawingHashTable()->getByIndex($i) instanceof PHPPowerPoint_Shape_MemoryDrawing) {
$extension = strtolower($this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType());
$extension = explode('/', $extension);
$extension = $extension[1];
$mimeType = $this->getParentWriter()->getDrawingHashTable()->getByIndex($i)->getMimeType();
}
if (!isset( $aMediaContentTypes[$extension]) ) {
$aMediaContentTypes[$extension] = $mimeType;
$this->_writeDefaultContentType(
$objWriter, $extension, $mimeType
);
}
}
$objWriter->endElement();
// Return
return $objWriter->getData();
}
/**
* Get image mime type
*
* @param string $pFile Filename
* @return string Mime Type
* @throws Exception
*/
private function _getImageMimeType($pFile = '')
{
if (PHPPowerPoint_Shared_File::file_exists($pFile)) {
$image = getimagesize($pFile);
return image_type_to_mime_type($image[2]);
} else {
throw new Exception("File $pFile does not exist");
}
}
/**
* Write Default content type
*
* @param PHPPowerPoint_Shared_XMLWriter $objWriter XML Writer
* @param string $pPartname Part name
* @param string $pContentType Content type
* @throws Exception
*/
private function _writeDefaultContentType(PHPPowerPoint_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '')
{
if ($pPartname != '' && $pContentType != '') {
// Write content type
$objWriter->startElement('Default');
$objWriter->writeAttribute('Extension', $pPartname);
$objWriter->writeAttribute('ContentType', $pContentType);
$objWriter->endElement();
} else {
throw new Exception("Invalid parameters passed.");
}
}
/**
* Write Override content type
*
* @param PHPPowerPoint_Shared_XMLWriter $objWriter XML Writer
* @param string $pPartname Part name
* @param string $pContentType Content type
* @throws Exception
*/
private function _writeOverrideContentType(PHPPowerPoint_Shared_XMLWriter $objWriter = null, $pPartname = '', $pContentType = '')
{
if ($pPartname != '' && $pContentType != '') {
// Write content type
$objWriter->startElement('Override');
$objWriter->writeAttribute('PartName', $pPartname);
$objWriter->writeAttribute('ContentType', $pContentType);
$objWriter->endElement();
} else {
throw new Exception("Invalid parameters passed.");
}
}
}
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