<?php
/**
 * @package Auto ShadowBox for Joomla! 1.5
 * @version $Id: autoshadowbox.php 599 2010-11-09 00:00:05Z Tsanas Dimitrios $
 * @author Tsanas Dimitrios
 * @copyright (C) 2010 Tsanas Dimitrios
 * @Website: http://www.tsanas.gr
 * @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>
**/

defined( '_JEXEC' ) or die( 'Restricted access' );
$mainframe->registerEvent( 'onPrepareContent', 'plgAutoShadowbox' );
function plgAutoShadowBox( &$row, &$params, $page=0 )
{
	$db =& JFactory::getDBO();
	
	// Simple performance check to determine whether bot should process further
	if ( JString::strpos( $row->text, '{sb}' ) === false ) {
		return true;
	}
	if ( JString::strpos( $row->text, '{/sb}' ) === false ) {
		return true;
	}
	
	// Get plugin info
	$plugin =& JPluginHelper::getPlugin( 'content', 'autoshadowbox' );
	
 	// Expression to search for
 	$regex = '#{sb}(.*?){/sb}#s';
	
 	$pluginParams = new JParameter( $plugin->params );
	
	// Check whether plugin has been unpublished
	if ( !$pluginParams->get( 'enabled', 1 ) ) {
		$row->text = preg_replace( $regex, '', $row->text );
		return true;
	}
 	// find all instances of plugin and put in $matches
	preg_match_all( $regex, $row->text, $matches );
	
	// Number of matches
 	$count = count( $matches[0] );
	
 	// Plugin proceeds only if matches are found
 	if ( $count ) {
 	
		// Get plugin parameters
	 	$style	= $pluginParams->def( 'style', -2 );
 		plgAutoShadowBoxProcess( $row, $matches[0], $count, $regex, $style );
	}
}
function plgAutoShadowBoxProcess ( &$row, &$matches, $count, $regex, $style )
{
	jimport('domit.xml_saxy_shared');
	
 	for ( $i=0; $i < $count; $i++ ) {
 		$load = trim( $matches[$i] );
			
		// Remove "{terminal}" from match
		$load = str_replace("{sb}", "", $load);
		
		// Remove "{/terminal}" from match
		$load = str_replace("{/sb}", "", $load);
		
		// Remove any spaces at the beggining or the end of the match
		$load = trim( $load );
		
		$xml = simplexml_load_string( $load );
		
		// Create the terminal-like <div>
		$outputs = '<a href="'. str_replace("_thumb", "",  $xml["src"]) .'" rel="shadowbox" title="'. $xml["title"] .'">'. $load .'</a>';
		
		// Replace match with the div
		$row->text = str_replace( $matches[$i], $outputs, $row->text );
	}
}