Add version files and new GIF images for UI components
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274
themes/codebase4.0/grid-excel-php/lib/PHPExcel/IOFactory.php
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274
themes/codebase4.0/grid-excel-php/lib/PHPExcel/IOFactory.php
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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 - 2011 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
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* @copyright Copyright (c) 2006 - 2011 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 1.7.6, 2011-02-27
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*/
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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/**
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* @ignore
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*/
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../');
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/**
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* PHPExcel_IOFactory
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*
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* @category PHPExcel
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* @package PHPExcel
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_IOFactory
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{
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/**
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* Search locations
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*
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* @var array
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* @access private
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* @static
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*/
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private static $_searchLocations = array(
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array( 'type' => 'IWriter', 'path' => 'PHPExcel/Writer/{0}.php', 'class' => 'PHPExcel_Writer_{0}' ),
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array( 'type' => 'IReader', 'path' => 'PHPExcel/Reader/{0}.php', 'class' => 'PHPExcel_Reader_{0}' )
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);
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/**
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* Autoresolve classes
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*
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* @var array
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* @access private
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* @static
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*/
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private static $_autoResolveClasses = array(
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'Excel2007',
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'Excel5',
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'Excel2003XML',
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'OOCalc',
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'SYLK',
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'Gnumeric',
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'CSV',
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);
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/**
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* Private constructor for PHPExcel_IOFactory
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*/
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private function __construct() { }
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/**
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* Get search locations
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*
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* @static
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* @access public
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* @return array
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*/
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public static function getSearchLocations() {
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return self::$_searchLocations;
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} // function getSearchLocations()
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/**
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* Set search locations
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*
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* @static
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* @access public
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* @param array $value
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* @throws Exception
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*/
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public static function setSearchLocations($value) {
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if (is_array($value)) {
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self::$_searchLocations = $value;
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} else {
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throw new Exception('Invalid parameter passed.');
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}
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} // function setSearchLocations()
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/**
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* Add search location
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*
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* @static
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* @access public
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* @param string $type Example: IWriter
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* @param string $location Example: PHPExcel/Writer/{0}.php
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* @param string $classname Example: PHPExcel_Writer_{0}
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*/
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public static function addSearchLocation($type = '', $location = '', $classname = '') {
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self::$_searchLocations[] = array( 'type' => $type, 'path' => $location, 'class' => $classname );
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} // function addSearchLocation()
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/**
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* Create PHPExcel_Writer_IWriter
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*
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* @static
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* @access public
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* @param PHPExcel $phpExcel
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* @param string $writerType Example: Excel2007
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* @return PHPExcel_Writer_IWriter
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* @throws Exception
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*/
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public static function createWriter(PHPExcel $phpExcel, $writerType = '') {
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// Search type
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$searchType = 'IWriter';
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// Include class
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foreach (self::$_searchLocations as $searchLocation) {
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if ($searchLocation['type'] == $searchType) {
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$className = str_replace('{0}', $writerType, $searchLocation['class']);
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$classFile = str_replace('{0}', $writerType, $searchLocation['path']);
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$instance = new $className($phpExcel);
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if (!is_null($instance)) {
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return $instance;
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}
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}
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}
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// Nothing found...
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throw new Exception("No $searchType found for type $writerType");
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} // function createWriter()
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/**
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* Create PHPExcel_Reader_IReader
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*
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* @static
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* @access public
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* @param string $readerType Example: Excel2007
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* @return PHPExcel_Reader_IReader
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* @throws Exception
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*/
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public static function createReader($readerType = '') {
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// Search type
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$searchType = 'IReader';
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// Include class
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foreach (self::$_searchLocations as $searchLocation) {
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if ($searchLocation['type'] == $searchType) {
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$className = str_replace('{0}', $readerType, $searchLocation['class']);
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$classFile = str_replace('{0}', $readerType, $searchLocation['path']);
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$instance = new $className();
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if (!is_null($instance)) {
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return $instance;
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}
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}
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}
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// Nothing found...
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throw new Exception("No $searchType found for type $readerType");
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} // function createReader()
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/**
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* Loads PHPExcel from file using automatic PHPExcel_Reader_IReader resolution
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*
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* @static
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* @access public
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* @param string $pFileName
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* @return PHPExcel
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* @throws Exception
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*/
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public static function load($pFilename) {
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$reader = self::createReaderForFile($pFilename);
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return $reader->load($pFilename);
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} // function load()
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/**
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* Identify file type using automatic PHPExcel_Reader_IReader resolution
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*
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* @static
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* @access public
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* @param string $pFileName
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* @return string
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* @throws Exception
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*/
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public static function identify($pFilename) {
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$reader = self::createReaderForFile($pFilename);
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$className = get_class($reader);
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$classType = explode('_',$className);
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unset($reader);
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return array_pop($classType);
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} // function identify()
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/**
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* Create PHPExcel_Reader_IReader for file using automatic PHPExcel_Reader_IReader resolution
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*
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* @static
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* @access public
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* @param string $pFileName
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* @return PHPExcel_Reader_IReader
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* @throws Exception
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*/
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public static function createReaderForFile($pFilename) {
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// First, lucky guess by inspecting file extension
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$pathinfo = pathinfo($pFilename);
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if (isset($pathinfo['extension'])) {
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switch (strtolower($pathinfo['extension'])) {
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case 'xlsx':
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$reader = self::createReader('Excel2007');
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break;
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case 'xls':
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$reader = self::createReader('Excel5');
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break;
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case 'ods':
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$reader = self::createReader('OOCalc');
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break;
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case 'slk':
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$reader = self::createReader('SYLK');
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break;
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case 'xml':
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$reader = self::createReader('Excel2003XML');
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break;
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case 'gnumeric':
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$reader = self::createReader('Gnumeric');
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break;
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case 'csv':
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// Do nothing
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// We must not try to use CSV reader since it loads
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// all files including Excel files etc.
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break;
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default:
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break;
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}
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// Let's see if we are lucky
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if (isset($reader) && $reader->canRead($pFilename)) {
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return $reader;
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}
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}
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// If we reach here then "lucky guess" didn't give any result
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// Try loading using self::$_autoResolveClasses
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foreach (self::$_autoResolveClasses as $autoResolveClass) {
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$reader = self::createReader($autoResolveClass);
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if ($reader->canRead($pFilename)) {
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return $reader;
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}
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}
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} // function createReaderForFile()
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}
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