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<?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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28
 
29
/**
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 * PHPExcel_Writer_Excel2007_StringTable
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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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class PHPExcel_Writer_Excel2007_StringTable extends PHPExcel_Writer_Excel2007_WriterPart
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{
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	/**
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	 * Create worksheet stringtable
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	 *
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	 * @param 	PHPExcel_Worksheet 	$pSheet				Worksheet
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	 * @param 	string[] 				$pExistingTable 	Existing table to eventually merge with
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	 * @return 	string[] 				String table for worksheet
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	 * @throws 	PHPExcel_Writer_Exception
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	 */
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	public function createStringTable($pSheet = null, $pExistingTable = null)
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	{
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		if ($pSheet !== NULL) {
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			// Create string lookup table
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			$aStringTable = array();
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			$cellCollection = null;
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			$aFlippedStringTable = null;	// For faster lookup
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			// Is an existing table given?
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			if (($pExistingTable !== NULL) && is_array($pExistingTable)) {
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				$aStringTable = $pExistingTable;
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			}
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			// Fill index array
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			$aFlippedStringTable = $this->flipStringTable($aStringTable);
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62
			// Loop through cells
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			foreach ($pSheet->getCellCollection() as $cellID) {
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				$cell = $pSheet->getCell($cellID);
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				$cellValue = $cell->getValue();
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				if (!is_object($cellValue) &&
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					($cellValue !== NULL) &&
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					$cellValue !== '' &&
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					!isset($aFlippedStringTable[$cellValue]) &&
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					($cell->getDataType() == PHPExcel_Cell_DataType::TYPE_STRING || $cell->getDataType() == PHPExcel_Cell_DataType::TYPE_STRING2 || $cell->getDataType() == PHPExcel_Cell_DataType::TYPE_NULL)) {
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						$aStringTable[] = $cellValue;
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						$aFlippedStringTable[$cellValue] = true;
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				} elseif ($cellValue instanceof PHPExcel_RichText &&
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						  ($cellValue !== NULL) &&
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						  !isset($aFlippedStringTable[$cellValue->getHashCode()])) {
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								$aStringTable[] = $cellValue;
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								$aFlippedStringTable[$cellValue->getHashCode()] = true;
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	        	}
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	        }
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	        // Return
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	        return $aStringTable;
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		} else {
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			throw new PHPExcel_Writer_Exception("Invalid PHPExcel_Worksheet object passed.");
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		}
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	}
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88
	/**
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	 * Write string table to XML format
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	 *
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	 * @param 	string[] 	$pStringTable
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	 * @return 	string 		XML Output
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	 * @throws 	PHPExcel_Writer_Exception
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	 */
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	public function writeStringTable($pStringTable = null)
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	{
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		if ($pStringTable !== NULL) {
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			// Create XML writer
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			$objWriter = null;
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			if ($this->getParentWriter()->getUseDiskCaching()) {
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				$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
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			} else {
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				$objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
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			}
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106
			// XML header
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			$objWriter->startDocument('1.0','UTF-8','yes');
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109
			// String table
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			$objWriter->startElement('sst');
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			$objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/spreadsheetml/2006/main');
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			$objWriter->writeAttribute('uniqueCount', count($pStringTable));
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				// Loop through string table
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				foreach ($pStringTable as $textElement) {
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					$objWriter->startElement('si');
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						if (! $textElement instanceof PHPExcel_RichText) {
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							$textToWrite = PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $textElement );
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							$objWriter->startElement('t');
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							if ($textToWrite !== trim($textToWrite)) {
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								$objWriter->writeAttribute('xml:space', 'preserve');
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							}
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							$objWriter->writeRawData($textToWrite);
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							$objWriter->endElement();
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						} else if ($textElement instanceof PHPExcel_RichText) {
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							$this->writeRichText($objWriter, $textElement);
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						}
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                    $objWriter->endElement();
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				}
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			$objWriter->endElement();
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135
			// Return
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			return $objWriter->getData();
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		} else {
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			throw new PHPExcel_Writer_Exception("Invalid string table array passed.");
139
		}
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	}
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142
	/**
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	 * Write Rich Text
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	 *
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	 * @param 	PHPExcel_Shared_XMLWriter	$objWriter 		XML Writer
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	 * @param 	PHPExcel_RichText			$pRichText		Rich text
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	 * @param 	string						$prefix			Optional Namespace prefix
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	 * @throws 	PHPExcel_Writer_Exception
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	 */
150
	public function writeRichText(PHPExcel_Shared_XMLWriter $objWriter = null, PHPExcel_RichText $pRichText = null, $prefix=NULL)
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	{
152
		if ($prefix !== NULL)
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			$prefix .= ':';
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		// Loop through rich text elements
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		$elements = $pRichText->getRichTextElements();
156
		foreach ($elements as $element) {
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			// r
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			$objWriter->startElement($prefix.'r');
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160
				// rPr
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				if ($element instanceof PHPExcel_RichText_Run) {
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					// rPr
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					$objWriter->startElement($prefix.'rPr');
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165
						// rFont
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						$objWriter->startElement($prefix.'rFont');
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						$objWriter->writeAttribute('val', $element->getFont()->getName());
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						$objWriter->endElement();
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170
						// Bold
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						$objWriter->startElement($prefix.'b');
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						$objWriter->writeAttribute('val', ($element->getFont()->getBold() ? 'true' : 'false'));
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						$objWriter->endElement();
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175
						// Italic
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						$objWriter->startElement($prefix.'i');
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						$objWriter->writeAttribute('val', ($element->getFont()->getItalic() ? 'true' : 'false'));
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						$objWriter->endElement();
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180
						// Superscript / subscript
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						if ($element->getFont()->getSuperScript() || $element->getFont()->getSubScript()) {
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							$objWriter->startElement($prefix.'vertAlign');
183
							if ($element->getFont()->getSuperScript()) {
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								$objWriter->writeAttribute('val', 'superscript');
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							} else if ($element->getFont()->getSubScript()) {
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								$objWriter->writeAttribute('val', 'subscript');
187
							}
188
							$objWriter->endElement();
189
						}
190
 
191
						// Strikethrough
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						$objWriter->startElement($prefix.'strike');
193
						$objWriter->writeAttribute('val', ($element->getFont()->getStrikethrough() ? 'true' : 'false'));
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						$objWriter->endElement();
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196
						// Color
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						$objWriter->startElement($prefix.'color');
198
						$objWriter->writeAttribute('rgb', $element->getFont()->getColor()->getARGB());
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						$objWriter->endElement();
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						// Size
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						$objWriter->startElement($prefix.'sz');
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						$objWriter->writeAttribute('val', $element->getFont()->getSize());
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						$objWriter->endElement();
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206
						// Underline
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						$objWriter->startElement($prefix.'u');
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						$objWriter->writeAttribute('val', $element->getFont()->getUnderline());
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						$objWriter->endElement();
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211
					$objWriter->endElement();
212
				}
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				// t
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				$objWriter->startElement($prefix.'t');
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				$objWriter->writeAttribute('xml:space', 'preserve');
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				$objWriter->writeRawData(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $element->getText() ));
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				$objWriter->endElement();
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220
			$objWriter->endElement();
221
		}
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	}
223
 
224
	/**
225
	 * Write Rich Text
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	 *
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	 * @param 	PHPExcel_Shared_XMLWriter	$objWriter 		XML Writer
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	 * @param 	string|PHPExcel_RichText	$pRichText		text string or Rich text
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	 * @param 	string						$prefix			Optional Namespace prefix
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	 * @throws 	PHPExcel_Writer_Exception
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	 */
232
	public function writeRichTextForCharts(PHPExcel_Shared_XMLWriter $objWriter = null, $pRichText = null, $prefix=NULL)
233
	{
234
		if (!$pRichText instanceof PHPExcel_RichText) {
235
			$textRun = $pRichText;
236
			$pRichText = new PHPExcel_RichText();
237
			$pRichText->createTextRun($textRun);
238
		}
239
 
240
		if ($prefix !== NULL)
241
			$prefix .= ':';
242
		// Loop through rich text elements
243
		$elements = $pRichText->getRichTextElements();
244
		foreach ($elements as $element) {
245
			// r
246
			$objWriter->startElement($prefix.'r');
247
 
248
				// rPr
249
				$objWriter->startElement($prefix.'rPr');
250
 
251
					// Bold
252
					$objWriter->writeAttribute('b', ($element->getFont()->getBold() ? 1 : 0));
253
					// Italic
254
					$objWriter->writeAttribute('i', ($element->getFont()->getItalic() ? 1 : 0));
255
					// Underline
256
					$underlineType = $element->getFont()->getUnderline();
257
					switch($underlineType) {
258
						case 'single' :
259
							$underlineType = 'sng';
260
							break;
261
						case 'double' :
262
							$underlineType = 'dbl';
263
							break;
264
					}
265
					$objWriter->writeAttribute('u', $underlineType);
266
					// Strikethrough
267
					$objWriter->writeAttribute('strike', ($element->getFont()->getStrikethrough() ? 'sngStrike' : 'noStrike'));
268
 
269
					// rFont
270
					$objWriter->startElement($prefix.'latin');
271
						$objWriter->writeAttribute('typeface', $element->getFont()->getName());
272
					$objWriter->endElement();
273
 
274
					// Superscript / subscript
275
//					if ($element->getFont()->getSuperScript() || $element->getFont()->getSubScript()) {
276
//						$objWriter->startElement($prefix.'vertAlign');
277
//						if ($element->getFont()->getSuperScript()) {
278
//							$objWriter->writeAttribute('val', 'superscript');
279
//						} else if ($element->getFont()->getSubScript()) {
280
//							$objWriter->writeAttribute('val', 'subscript');
281
//						}
282
//						$objWriter->endElement();
283
//					}
284
//
285
				$objWriter->endElement();
286
 
287
				// t
288
				$objWriter->startElement($prefix.'t');
289
//					$objWriter->writeAttribute('xml:space', 'preserve');	//	Excel2010 accepts, Excel2007 complains
290
					$objWriter->writeRawData(PHPExcel_Shared_String::ControlCharacterPHP2OOXML( $element->getText() ));
291
				$objWriter->endElement();
292
 
293
			$objWriter->endElement();
294
		}
295
	}
296
 
297
	/**
298
	 * Flip string table (for index searching)
299
	 *
300
	 * @param 	array	$stringTable	Stringtable
301
	 * @return 	array
302
	 */
303
	public function flipStringTable($stringTable = array()) {
304
		// Return value
305
		$returnValue = array();
306
 
307
		// Loop through stringtable and add flipped items to $returnValue
308
		foreach ($stringTable as $key => $value) {
309
			if (! $value instanceof PHPExcel_RichText) {
310
				$returnValue[$value] = $key;
311
			} else if ($value instanceof PHPExcel_RichText) {
312
				$returnValue[$value->getHashCode()] = $key;
313
			}
314
		}
315
 
316
		// Return
317
		return $returnValue;
318
	}
319
}