<?php

/**
 * Class to parse a string (e.g. page content) that contains a timeline by
 * its id render the timeline in the page
 * 
 * PHP version 5
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version.
 * This program 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the 
 * Free Software Foundation, Inc., 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * @category  Chisimba
 * @package   filters
 * @author    Derek Keats <dkeats@uwc.ac.za>
 * @copyright 2007 Derek Keats
 * @license   http://www.gnu.org/licenses/gpl-2.0.txt The GNU General Public License 
 * @version   $Id$
 * @link      http://avoir.uwc.ac.za
 * @see       
 */
// security check - must be included in all scripts
if (!
/**
 * Description for $GLOBALS
 * @global string $GLOBALS['kewl_entry_point_run']
 * @name   $kewl_entry_point_run
 */
$GLOBALS['kewl_entry_point_run'])
{
    die("You cannot view this page directly");
}
// end security check

/**
 *
 * Class to parse a string (e.g. page content) that contains a timeline by
 * its id render the timeline in the page
 *
 * @author Derek Keats
 *
 */

class parse4timelinelocal extends object
{
    
    /**
     * Short description for function
     * 
     * Long description (if any) ...
     * 
     * @return void  
     * @access public
     */
    public function init()
    {
        //Nothing to do here
    }
       
    /**
    *
    * Method to parse the string
    * @param  String $str The string to parse
    * @return The    parsed string
    *                
    */
    public function parse($str)
    {
        //Instantiate the modules class to check if simplemap is registered
        $objModule = $this->getObject('modules','modulecatalogue');
        //See if the simple map module is registered and set a param
        $isRegistered = $objModule->checkIfRegistered('timeline', 'timeline');
        if ($isRegistered){
            //Instantiate the timeline parser
            $objTlParser = $this->getObject('timelineparser', 'timeline');
        }
        $str = stripslashes($str);
        preg_match_all('/\\[TIMELINELOCAL](.*?)\\[\/TIMELINELOCAL]/', $str, $results, PREG_PATTERN_ORDER);
        $counter = 0;
        foreach ($results[0] as $item)
        {
            if ($isRegistered) {
                $replacement = $objTlParser->getLocal($results[1][$counter]);
            } else {
                $objLanguage = $this->getObject('language', 'language');
                $replacement = $results[1][$counter] . "<br /><div class=\"error\"><h3>" 
                    . $objLanguage->languageText("mod_filters_error_timelinenotinst", "filters")
                    . "</h3></div>";
            }
            $str = str_replace($item, $replacement, $str);
            $counter++;
        }

        return $str;
    }
}
?>