<?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_ODPresentation

 * @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_ODPresentation_Meta

 *

 * @category   PHPPowerPoint

 * @package    PHPPowerPoint_Writer_ODPresentation

 * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)

 */

class PHPPowerPoint_Writer_ODPresentation_Meta extends PHPPowerPoint_Writer_ODPresentation_WriterPart

{

	/**

	 * Write Meta file to XML format

	 *

	 * @param 	PHPPowerPoint $pPHPPowerPoint

	 * @return 	string 						XML Output

	 * @throws 	Exception

	 */

	public function writeMeta(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');



		// office:document-meta

		$objWriter->startElement('office:document-meta');

		$objWriter->writeAttribute('xmlns:office', 'urn:oasis:names:tc:opendocument:xmlns:office:1.0');

		$objWriter->writeAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');

		$objWriter->writeAttribute('xmlns:dc', 'http://purl.org/dc/elements/1.1/');

		$objWriter->writeAttribute('xmlns:meta', 'urn:oasis:names:tc:opendocument:xmlns:meta:1.0');

		$objWriter->writeAttribute('xmlns:presentation', 'urn:oasis:names:tc:opendocument:xmlns:presentation:1.0');

		$objWriter->writeAttribute('xmlns:ooo', 'http://openoffice.org/2004/office');

		$objWriter->writeAttribute('xmlns:smil', 'urn:oasis:names:tc:opendocument:xmlns:smil-compatible:1.0');

		$objWriter->writeAttribute('xmlns:anim', 'urn:oasis:names:tc:opendocument:xmlns:animation:1.0');

		$objWriter->writeAttribute('xmlns:grddl', 'http://www.w3.org/2003/g/data-view#');

		$objWriter->writeAttribute('xmlns:officeooo', 'http://openoffice.org/2009/office');

		$objWriter->writeAttribute('xmlns:drawooo', 'http://openoffice.org/2010/draw');

		$objWriter->writeAttribute('office:version', '1.2');

			

			// office:meta

			$objWriter->startElement('office:meta');

			

				// dc:creator

				$objWriter->writeElement('dc:creator', $pPHPPowerPoint->getProperties()->getLastModifiedBy());

				// dc:date

				$objWriter->writeElement('dc:date', gmdate('Y-m-d\TH:i:s.000' ,$pPHPPowerPoint->getProperties()->getModified()));

				// dc:description

				$objWriter->writeElement('dc:description', $pPHPPowerPoint->getProperties()->getDescription());

				// dc:subject

				$objWriter->writeElement('dc:subject', $pPHPPowerPoint->getProperties()->getSubject());

				// dc:title

				$objWriter->writeElement('dc:title', $pPHPPowerPoint->getProperties()->getTitle());

				// meta:creation-date

				$objWriter->writeElement('meta:creation-date', gmdate('Y-m-d\TH:i:s.000' ,$pPHPPowerPoint->getProperties()->getCreated()));

				// meta:initial-creator

				$objWriter->writeElement('meta:initial-creator', $pPHPPowerPoint->getProperties()->getCreator());

				// meta:keyword

				$objWriter->writeElement('meta:keyword', $pPHPPowerPoint->getProperties()->getKeywords());

	

				// @todo : Where these properties are written ?

				// $pPHPPowerPoint->getProperties()->getCategory()

				// $pPHPPowerPoint->getProperties()->getCompany()

			

			$objWriter->endElement();

				

		$objWriter->endElement();



		// Return

		return $objWriter->getData();

	}



}