Add version files and new GIF images for UI components

themes/codebase4.0/grid-excel-php/lib/PHPExcel/Writer/Excel2007/WriterPart.php

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+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2011 PHPExcel
+ *
+ * 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   PHPExcel
+ * @package    PHPExcel_Writer_Excel2007
+ * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    1.7.6, 2011-02-27
+ */
+
+
+/**
+ * PHPExcel_Writer_Excel2007_WriterPart
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Writer_Excel2007
+ * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+abstract class PHPExcel_Writer_Excel2007_WriterPart
+{
+	/**
+	 * Parent IWriter object
+	 *
+	 * @var PHPExcel_Writer_IWriter
+	 */
+	private $_parentWriter;
+
+	/**
+	 * Set parent IWriter object
+	 *
+	 * @param PHPExcel_Writer_IWriter	$pWriter
+	 * @throws Exception
+	 */
+	public function setParentWriter(PHPExcel_Writer_IWriter $pWriter = null) {
+		$this->_parentWriter = $pWriter;
+	}
+
+	/**
+	 * Get parent IWriter object
+	 *
+	 * @return PHPExcel_Writer_IWriter
+	 * @throws Exception
+	 */
+	public function getParentWriter() {
+		if (!is_null($this->_parentWriter)) {
+			return $this->_parentWriter;
+		} else {
+			throw new Exception("No parent PHPExcel_Writer_IWriter assigned.");
+		}
+	}
+
+	/**
+	 * Set parent IWriter object
+	 *
+	 * @param PHPExcel_Writer_IWriter	$pWriter
+	 * @throws Exception
+	 */
+	public function __construct(PHPExcel_Writer_IWriter $pWriter = null) {
+		if (!is_null($pWriter)) {
+			$this->_parentWriter = $pWriter;
+		}
+	}
+
+}