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2388 jpm 1
<?php
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/**
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 * PHPExcel
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 *
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 * Copyright (c) 2006 - 2013 PHPExcel
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 * @category   PHPExcel
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 * @package    PHPExcel_Writer_Excel2007
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 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
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 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
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 * @version    ##VERSION##, ##DATE##
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 */
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/**
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 * PHPExcel_Writer_Excel2007_WriterPart
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 *
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 * @category   PHPExcel
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 * @package    PHPExcel_Writer_Excel2007
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 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
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 */
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abstract class PHPExcel_Writer_Excel2007_WriterPart
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{
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	/**
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	 * Parent IWriter object
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	 *
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	 * @var PHPExcel_Writer_IWriter
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	 */
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	private $_parentWriter;
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	/**
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	 * Set parent IWriter object
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	 *
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	 * @param PHPExcel_Writer_IWriter	$pWriter
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	 * @throws PHPExcel_Writer_Exception
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	 */
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	public function setParentWriter(PHPExcel_Writer_IWriter $pWriter = null) {
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		$this->_parentWriter = $pWriter;
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	}
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	/**
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	 * Get parent IWriter object
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	 *
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	 * @return PHPExcel_Writer_IWriter
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	 * @throws PHPExcel_Writer_Exception
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	 */
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	public function getParentWriter() {
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		if (!is_null($this->_parentWriter)) {
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			return $this->_parentWriter;
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		} else {
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			throw new PHPExcel_Writer_Exception("No parent PHPExcel_Writer_IWriter assigned.");
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		}
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	}
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	/**
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	 * Set parent IWriter object
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	 *
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	 * @param PHPExcel_Writer_IWriter	$pWriter
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	 * @throws PHPExcel_Writer_Exception
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	 */
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	public function __construct(PHPExcel_Writer_IWriter $pWriter = null) {
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		if (!is_null($pWriter)) {
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			$this->_parentWriter = $pWriter;
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		}
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	}
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}