<?php
/*
Plugin Name: Post Thumb Revisited
Plugin URI: http://www.alakhnor.com/post-thumb
Description: Thumbnails images from your posts. Useful for listing popular posts, post list, etc.
Version: 2.1.5 beta
Author:  Alakhnor
Author URI: http://www.alakhnor.com/post-thumb

	Copyright (c) 2006 Victor Chang (http://theblemish.com) for Post Thumb
	Copyright (c) 2007 Alakhnor (http://www.alakhnor.info) for Post Thumb Revisited
	Post Thumb Revisited is released under the GNU General Public License (GPL)
	http://www.gnu.org/licenses/gpl.txt

	This is a WordPress 2 plugin (http://wordpress.org).
        Highslide JS is licensed under a Creative Commons Attribution-NonCommercial 2.5 License: http://creativecommons.org/licenses/by-nc/2.5/
*/
define('PLUGIN_BASENAME', dirname(plugin_basename(__FILE__)));
define('SITEURL', get_settings('siteurl'));
define('UPLOAD_PATH', get_settings('upload_path'));
define('PT_ABSPATH', ABSPATH.'wp-content/plugins/' . PLUGIN_BASENAME.'/');

// call function & class files
require(PT_ABSPATH . 'lib/post-thumb-main-functions.php');
require(PT_ABSPATH . 'lib/post-thumb-functions.php');
require(PT_ABSPATH . 'lib/post-thumb-image-editor.php');
require(PT_ABSPATH . 'lib/post-thumb-classes.php');

$PTRevisited = new PostThumbRevisited();

// define paths & URLs
define('POSTHUMB_ABSPATH',SITEURL.'/wp-content/plugins/' . PLUGIN_BASENAME.'/');
define('POSTTHUMB_URLPATH', str_replace($PTRevisited->settings['full_domain_name'], '/',SITEURL).'/wp-content/plugins/' . PLUGIN_BASENAME.'/');
define('POSTTHUMB_USE_HS', $PTRevisited->settings['hs_use']=='true');
define('POSTTHUMB_USE_TB', $PTRevisited->settings['tb_use']=='true');

// call classes
if (POSTTHUMB_USE_HS == 'true') require(PT_ABSPATH . 'lib/post-thumb-highslide.php');
if (POSTTHUMB_USE_TB == 'true') require(PT_ABSPATH . 'lib/post-thumb-thickbox.php');

################################################################################
########## MAIN CLASS
################################################################################
class PostThumbRevisited {

        var $settings;
        var $post_array = array();
        var $wordtube_options;
        var $playertype;
        var $playertypemp3;
        var $wordtube_abspath;
        var $wt_path = 'wordtube';
        var $table_pt_post;

	/**
	 * PostThumbRevisited
	 *
	 * Constructor for the PostThumbRevisited class.
	 */
	function PostThumbRevisited () {

          	global $table_prefix, $wpdb;

		// Load language file
		$locale = get_locale();
		if ( !empty($locale) )
			load_textdomain('post-thumb', PT_ABSPATH.'languages/' . 'post-thumb'.$locale.'.mo');

		// Insert the menu and options
		add_option('post_thumbnail_settings','','Post Thumb Revisited Options');
		if (function_exists('pt_include_header')) add_action('wp_head', array(&$this, 'pt_include_header'));

		$this->table_pt_post = $table_prefix . "pt_post";
//		$this->settings = get_option('post_thumbnail_settings');
		$this->settings = pt_GetStarterOptions();

		$wpdb->wordtube	= $table_prefix . 'wordtube';
		$wpdb->wordtube_med2play = $table_prefix . 'wordtube_med2play';

		if (is_admin()) {
			include ( PT_ABSPATH  . '/post-thumb-options.php' );
			$PTAdmin = new PostThumbAdmin($this);
		}
		else
			$this->GetPostList();

		// add filters
		if ($this->settings['hs_post'] == 'true') {

			add_filter('the_content', array(&$this, 'pt_ReplaceThumbnails'));
				
			if ($this->settings['pt_replace'] == 'true') 
				add_filter('the_content', array(&$this, 'pt_ReplaceImage'));
				
			if ($this->settings['hs_wordtube'] == 'true') {
				$this->InitWordTube(); 
				if ($this->settings['wt_media'] == 'true') 
					add_filter('the_content', array(&$this, 'pt_ReplaceWTMedia'));
				if ($this->settings['wt_playlist'] == 'true') 
					add_filter('the_content', array(&$this, 'pt_ReplaceWTPlaylist'));
			}
				
			if ($this->settings['hs_youtube'] == 'true') 
				add_filter('the_content', array(&$this, 'pt_ReplaceYoutube'));
		}
	}

	/***********************************************************************************/
	/* Retrieve posts informations
	/***********************************************************************************/
	function GetPostList () {

		global $wpdb;

		if($wpdb->get_var("show tables like '$this->table_pt_post'") == $this->table_pt_post) {
			$dbresults = $wpdb->get_results(" SELECT * FROM ".$this->table_pt_post." ORDER BY post_id DESC");

			if ($dbresults) {
	        		foreach ($dbresults as $dbresult) :
	        			$this->post_array[$dbresult->post_id] = stripslashes($dbresult->body);
	        		endforeach;
			}
			unset($dbresults);
		}
//		print_r($this->post_array);
	}
	/***********************************************************************************/
	/* Get thumbnail. Loop function.
	/***********************************************************************************/
	function GetPostData ($key) {
		return unserialize($this->post_array[$key]);
	}
	/***********************************************************************************/
	/* Get thumbnail. Loop function.
	/***********************************************************************************/
	function GetThumb ($arg='') {

		global $post;
		setup_postdata($post);
		$post_link = $this->GetSingleThumb ($post, $arg);

		return $post_link;

	}
	/***********************************************************************************/
	/* Get thumbnail. Loop function.
	/***********************************************************************************/
	function GetSingleThumb ($post, $arg='', $before='', $after='', $post_array='') {

		$path = pathinfo($post_array['media_url']);

                if ($post_array['media_url'] != '' && $path['extension']=='') {

			$p = new pt_post_thumbnail(	$this->settings, 
							$post, 
							$arg, 
							$post_array['image_url'],
							$post_array['media_url'], 
							$post_array['permalink'], 
							$post_array['title'], 
							$post_array['date'], 
							$post_array['author'], 
							false);
			$p->InitWordTube($this->wordtube_options, $this->playertype);
			$post_link = $p->pt_GetImgHTML();
			unset ($p);
		}

                if ($post_array['media_url'] != '') {

			$p = new pt_post_thumbnail(	$this->settings, 
							$post, 
							$arg, 
							$post_array['image_url'],
							$post_array['media_url'], 
							$post_array['permalink'], 
							$post_array['title'], 
							$post_array['date'], 
							$post_array['author'], 
							false);
			$p->InitWordTube($this->wordtube_options, $this->playertype);
			$post_link = $p->pt_GetImgHTML();
			unset ($p);
		}

		elseif ($post_array['image_url'] != '') {

			$p = new pt_post_thumbnail(	$this->settings, 
							$post, 
							$arg, 
							$post_array['image_url'],
							$post_array['media_url'], 
							$post_array['permalink'], 
							$post_array['title'], 
							$post_array['date'], 
							$post_array['author'], 
							false);
			$post_link = $p->pt_GetImgHTML();
			unset ($p);
		}

		else {
			$p = new pt_post_thumbnail($this->settings, $post, $arg);
			$post_link = $p->pt_GetImgHTML();
			unset ($p);
		}

		if ( !empty($post_link) )
	          	return $before.$post_link.$after;
		else
			return $before.$after;
	}

	/***********************************************************************************/
	/* Returns recent posts
	/***********************************************************************************/
	function GetTheRecentThumbs ($arg='', $beforeli='', $afterli='', $before='', $after='') {

		// Create a query object to retrieve posts
		$my_query = new WP_Query();
		
		parse_str($arg, $new_args);
		$new_args = array_change_key_case($new_args, CASE_UPPER);

		if (isset($new_args['MEDIA'])) $media = $new_args['MEDIA']; else $media = 'all';
		if (isset($new_args['LIMIT'])) { $limit = $new_args['LIMIT']; settype($limit,"integer"); } else $limit = 8;
		if (isset($new_args['OFFSET'])) { $offset = $new_args['OFFSET']; settype($offset,"integer"); } else $offset = 0;

		if (isset($new_args['CATEGORY'])) {
			$cat_ID = $new_args['CATEGORY'];
			$posts = $my_query->query('cat='.$cat_ID.'&showposts='.$limit.'&offset='.$offset);
		}
	        else
			$posts = $my_query->query('showposts='.$limit.'&offset='.$offset);
		unset ($my_query);

		$content = $before;
		$l = $limit+$offset;
		
		// Retrieve only images
		if ($media == '0') {

			$i = 1;
			foreach ($this->post_array as $key => $post_arrayS) :

				$post_array = $this->GetPostData($key);
				if ($i > $l) break;
	                	if ($i > $offset) {
					if ($post_array['media_url'] == '') {
						$content .= $this->GetSingleThumb ('', $arg, $beforeli, $afterli, $post_array);
						$i++;
					}
				}
				else {
					if ($post_array['media_url'] == '') $i++;
				}

			endforeach;

		}
		// Retrieve non-youtube media
		elseif ($media == '1') {

			$i = 1;
			foreach ($this->post_array as $key => $post_arrayS) :

				$post_array = $this->GetPostData($key);
				if ($i > $l) break;
	                	if ($i > $offset) {
					if ($post_array['media_url'] != '') {
						$path = pathinfo($post_array['media_url']);
						if ($path['extension'] != '') {
							$content .= $this->GetSingleThumb ('', $arg, $beforeli, $afterli, $post_array);
							$i++;
						}
					}
				}
				else {
					if ($post_array['media_url'] != '') $i++;
				}

			endforeach;

		}
		// Retrieve youtube media
		elseif ($media == '2') {

			$i = 1;
			foreach ($this->post_array as $key => $post_arrayS) :

				$post_array = $this->GetPostData($key);
				if ($i > $l) break;
	                	if ($i > $offset) {
					if ($post_array['media_url'] != '') {
						$path = pathinfo($post_array['media_url']);
						if ($path['extension'] == '') {
							$content .= $this->GetSingleThumb ('', $arg, $beforeli, $afterli, $post_array);
							$i++;
						}
					}
				}
				else {
					if ($post_array['media_url'] != '') { 
						$path = pathinfo($post_array['media_url']);
						if ($path['extension'] == '') $i++;
					}
				}

			endforeach;

		}
		// Retrieve all-media
		elseif ($media == '3') {

			$i = 1;
			foreach ($this->post_array as $key => $post_arrayS) :

				$post_array = $this->GetPostData($key);
				if ($i > $l) break;
	                	if ($i > $offset) { 
					if ($post_array['media_url'] != '') {
						$content .= $this->GetSingleThumb ('', $arg, $beforeli, $afterli, $post_array);
						$i++;
					}
				}
				else {
					if ($post_array['media_url'] != '') $i++;
				}

			endforeach;

		}
		else {

			foreach ($posts as $post) :
				$post_array = $this->GetPostData($post->ID);
				$content .= $this->GetSingleThumb ($post, $arg, $beforeli, $afterli, $post_array);
			endforeach;

		}
	        $content .= $after;

		return $content;
	}
	/***********************************************************************************/
	/* Return random thumbnails.
	/*
	/* LIMIT: number of posts to test to obtain an image. Default is 5.
	/* RLIMIT: number of thumbnail to display. Default is 1.
	/***********************************************************************************/
	function GetRandomThumb ($arg='', $beforeli='', $afterli='', $before='', $after='') {

		global $wp_query;
		$temp_query = $wp_query;
		$random_str = '';

		parse_str($arg, $new_args);
		$new_args = array_change_key_case($new_args, CASE_UPPER);

		if (isset($new_args['LIMIT'])) { $limit = $new_args['LIMIT']; settype($limit,"integer"); } else $limit = 1;
		if (isset($new_args['CATEGORY']))
			$cat_ID = $new_args['CATEGORY'];
		else
			$cat_ID ='';

		$posts = $this->RandomId($limit, $cat_ID);

		if ($limit == 1)
			$random_str = $this->GetSingleThumb ('', $arg.'&BASENAME=1&ALTAPPEND=azerty123456789'.$i, $beforeli, $afterli, $this->GetPostData($posts));
		else {
			for ($i=1; $i <= $limit; $i++) :

				$random_str .= $this->GetSingleThumb ('', $arg.'&BASENAME=1&ALTAPPEND=azerty123456789'.$i, $beforeli, $afterli, $this->GetPostData($posts[$i]));

			endfor;
		}

		$wp_query = $temp_query;
		unset ($temp_query);
		
		return $random_str;
	}
	/****************************************************************/
	/* Returns displayable post content
	/****************************************************************/
	function RandomId($limit=1, $catid='') {

		if ($catid == '')
			$ret = array_rand ($this->post_array, $limit);
		else {
			$rand = array();
			foreach ($this->post_array as $key => $post_arrayS) :

				$post_array = $this->GetPostData($key);
				if (in_array($catid, $post_array['categories']))
					$rand[$key]=$post_array;

			endforeach;
			$ret = array_rand ($rand, $limit);
		}
			unset($rand);
			
		return $ret;
	}
	/****************************************************************/
	/* Returns displayable post content
	/****************************************************************/
	function pt_TheExcerpt($length=40, $title_after= false, $arg='') {

		global $post;
		setup_postdata($post);

		$p = new pt_post_thumbnail($this->settings, $post, $arg);
		$post_link = $p->pt_GetImgHTML();
		unset ($p);

		$post->post_content = exclude_regex($post->post_content);
		$excerpt = get_excerpt_revisited($length);
		if ($title_after)
			$title = '<h2><a href="'.get_permalink().'" rel="bookmark" title="Permanent Link to '.get_the_title().'">'.get_the_title().'</a></h2>';
		else $title = '';

		// Display everything
		echo $post_link;
		echo $title;
		echo $excerpt;

	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_ReplaceWTMedia($content) {
	
		$return = $this->pt_CleanWTMedia($content);

		// Replace wordTube MEDIA with parameters
		$pattern = '/\[MEDIA=([0-9]+%?)\]/i';
		if (preg_match_all($pattern, $return, $matches, PREG_SET_ORDER)) {
			
			$play_width = $this->settings['wordtube_pwidth'];
			$play_height = $this->settings['wordtube_pheight'];
			
			foreach ($matches as $match) :

				$replacement = $this->pt_GetwordTubeMedia($match[1], $play_width, $play_height);
				$return = str_replace($match[0], $replacement, $return);
				$i++;

        		endforeach;
		}
		
		$pattern = '/\[MEDIA=([0-9]+%?)(.*?)\]/i';
		if (preg_match_all($pattern, $return, $matches, PREG_SET_ORDER)) {
		
			foreach ($matches as $match) :

				$str_match = strtoupper($match[0]);
				if (preg_match('/\[(.*?)WIDTH=([0-9]+%?)(.*?)\]/i', $str_match, $foo3))
					$play_width = $foo3[2];
				else 
					$play_width = $this->settings['wordtube_pwidth'];
					
				if (preg_match('/\[(.*?)HEIGHT=([0-9]+%?)(.*?)\]/i', $str_match, $foo4))
					$play_height = $foo4[2];
				else 
					$play_height = $this->settings['wordtube_pheight'];

				$replacement = $this->pt_GetwordTubeMedia($match[1], $play_width, $play_height);
				$return = str_replace($match[0], $replacement, $return);
				$i++;

	        	endforeach;
		}
	
		return $return;
	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_ReplaceWTPlaylist($content) {
	
		global $wpdb;

		$return = $this->pt_CleanWTPlaylist($content);

		// Replace wordTube post-thumb ptplaylist
		$pattern = '/\[PTPLAYLIST=\((.*?)\)(.*?)]/i';
		if (preg_match_all($pattern, $return, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				$str_match = strtoupper($match[0]);
				$vid_array = explode(",",$match[1]);
				if ($match[1] != '0') $where = "WHERE vid IN ('" . implode("','", $vid_array) . "')";
				$dbresults = $wpdb->get_results("SELECT * FROM $wpdb->wordtube $where");

				if ($dbresults) {
					$replacement = '';
					$mp3 = strpos($str_match, 'MP3');
					$flv = strpos($str_match, 'FLV');
					if (preg_match('/\[(.*?)WIDTH=([0-9]+%?)(.*?)\]/i', $str_match, $foo3))
						$play_width = $foo3[2];
					else 
						$play_width = $this->settings['wordtube_pwidth'];
						
					if (preg_match('/\[(.*?)HEIGHT=([0-9]+%?)(.*?)\]/i', $str_match, $foo4))
						$play_height = $foo4[2];
					else 
						$play_height = $this->settings['wordtube_pheight'];

					foreach ($dbresults as $media) :

						$replacement .= $this->pt_ReturnMediaFromPlaylist($media, $play_width, $play_height, $mp3, $flv);
							
	        			endforeach;
	        			$return = str_replace($match[0], $replacement, $return);
				}
				unset($dbresults);
				$i++;
			endforeach;
		}

		// Replace wordTube ptplaylist
		$pattern = '/\[PTPLAYLIST=([0-9]+%?)(.*?)]/i';
		if (preg_match_all($pattern, $return, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :
	
				$str_match = strtoupper($match[0]);

				$dbresults = $this->pt_GetwordTubePlaylist($match[1]);
	
				if ($dbresults) {
				
					$replacement = '';
					$mp3 = strpos($str_match, 'MP3');
					$flv = strpos($str_match, 'FLV');
					if (preg_match('/\[(.*?)WIDTH=([0-9]+%?)(.*?)\]/i', $str_match, $foo3))
						$play_width = $foo3[2];
					else 
						$play_width = $this->settings['wordtube_pwidth'];
						
					if (preg_match('/\[(.*?)HEIGHT=([0-9]+%?)(.*?)\]/i', $str_match, $foo4))
						$play_height = $foo4[2];
					else 
						$play_height = $this->settings['wordtube_pheight'];

					foreach ($dbresults as $media) :

						$replacement .= $this->pt_ReturnMediaFromPlaylist($media, $play_width, $play_height, $mp3, $flv);

	        			endforeach;
	        			$return = str_replace($match[0], $replacement, $return);
				}
				unset($dbresults);

			endforeach;
		}

		return $return;
	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_CleanWTPlaylist($content) {
	
		// Replace wordTube post-thumb ptplaylist
		$pattern = '/\<p>\[PTPLAYLIST=(.*?)]\<\/p>/i';
		if (preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				$replacement = '[PTPLAYLIST='.$match[1].'(.*?)]';
        			$content = str_replace($match[0], $replacement, $content);

			endforeach;
		}

		return $content;
	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_CleanWTMedia($content) {
	
		// Replace wordTube MEDIA with parameters
		$pattern = '/\<p>\[MEDIA=(.*?)\]\<\/p>/i';
		if (preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {
			
			foreach ($matches as $match) :

				$replacement = '[MEDIA='.$match[1].'(.*?)]';
        			$content = str_replace($match[0], $replacement, $content);

			endforeach;
		}
	
		return $content;
	}
	/****************************************************************/
	/* Returns wordTube media
	/****************************************************************/
	function pt_ReturnMediaFromPlaylist($media, $play_width, $play_height, $mp3, $flv, $arg='') {

		if ($mp3 || $flv) {
			
			$med_url = pathinfo($media->file);
			if ($mp3) {

				if (strtoupper($med_url['extension']) == 'MP3') {
					$replacement = $this->pt_GetVideo($media->name, $media->file, $media->image, $play_width, $play_height, $arg);
				}
              					}
			if ($flv) {

				if (strtoupper($med_url['extension']) == 'FLV') {
					$replacement = $this->pt_GetVideo($media->name, $media->file, $media->image, $play_width, $play_height, $arg);
				}
			}
		}
		else 
			$replacement = $this->pt_GetVideo($media->name, $media->file, $media->image, $play_width, $play_height, $arg);
		
		return $replacement;
	}
	/****************************************************************/
	/* Returns wordTube media
	/****************************************************************/
	function pt_GetwordTubeMedia($vid, $play_width, $play_height, $arg='') {

        	global $wpdb;

		$select = " SELECT * FROM $wpdb->wordtube WHERE vid = ".$vid;
		$media = $wpdb->get_row($select);
		if ($media)
			return $this->pt_GetVideo($media->name, $media->file, $media->image, $play_width, $play_height, $arg);
		else
			return '';
	}
	/****************************************************************/
	/* Returns wordTube playlist
	/****************************************************************/
	function pt_GetwordTubePlaylist($pid) {

        	global $wpdb;

		if ($pid == '0') 
			$select = " SELECT * FROM {$wpdb->wordtube} ORDER BY vid DESC";
		else
			$select = " SELECT * FROM {$wpdb->wordtube} w
				INNER JOIN {$wpdb->wordtube_med2play} m
				WHERE (m.playlist_id = '".$pid."' AND m.media_id = w.vid)
				GROUP BY w.vid 
				ORDER BY m.rel_id DESC";
 
		return $wpdb->get_results($select);

	}
	/****************************************************************/
	/* Returns formatted wordTube playlist
	/****************************************************************/
	function pt_GetWTMedia ($vid, $arg='', $play_width=0, $play_height=0) {
	
		if ($play_width == 0) $play_width = $this->settings['wordtube_pwidth'];
		if ($play_height == 0) $play_height = $this->settings['wordtube_pheight'];

		$replacement = $this->pt_GetwordTubeMedia($vid, $play_width, $play_height, $arg);
		
                return $replacement;
	}	
	/****************************************************************/
	/* Returns formatted wordTube playlist
	/****************************************************************/
	function pt_GetWTPlaylist($pid, $arg='', $play_width=0, $play_height=0, $mp3=false, $flv=false) {
	
		if ($play_width == 0) $play_width = $this->settings['wordtube_pwidth'];
		if ($play_height == 0) $play_height = $this->settings['wordtube_pheight'];

		parse_str($arg, $new_args);
		$new_args = array_change_key_case($new_args, CASE_UPPER);
		if (isset($new_args['LIMIT'])) { $limit = $new_args['LIMIT']; settype($limit,"integer"); } else $limit = 5;
		if (isset($new_args['OFFSET'])) { $offset = $new_args['OFFSET']; settype($offset,"integer"); } else $offset = 0;

		$l = $limit+$offset;

		$dbresults = $this->pt_GetwordTubePlaylist($pid);
		if ($dbresults) {
				
			$replacement = '';
			$i=1;
			foreach ($dbresults as $media) :

				if ($i > $l) break;
	                	if ($i > $offset)
					$replacement .= $this->pt_ReturnMediaFromPlaylist($media, $play_width, $play_height, $mp3, $flv, $arg);
				$i++;

       			endforeach;
		}
		unset ($dbresults);

                return $replacement;
	}	
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_ReplaceThumbnails($content) {
	
		$r_ID = rand();

		// Replace thumbnail
		$pattern = '/<a(.*?)href=["|'."'](.*?).(bmp|jpg|jpeg|gif|png)['".'|"](.*?)>(.*?)<img(.*?)src=["'."|'](.*?)['".'|"](.*?)alt="(.*?)"(.*?)\/>/i';
		if (preg_match_all($pattern,$content,$matches, PREG_SET_ORDER)) {
		
			$i=1;
			foreach ($matches as $match) :

				$ID = $r_ID.$i;
				$href = "\n".'<a href="'.$match[2].'.'.$match[3].'" onclick="return hs.expand(this, {captionId: '."'caption".$r_ID."'".'})" id="thumb'.$r_ID.'" class="highslide">';
				$img_src = "\n\t".'<img src="'.$match[7].'" '.$match[6].' '.$match[8].' alt="'.$match[9].'" '.$match[10].' />';
				$caption = "\n".'<div class="highslide-caption" id="caption'.$r_ID.'">'.$match[9].'</div>';
				$replacement = $href.$img_src.$caption;
       				$content = str_replace($match[0], $replacement, $content);
				$i++;
				
			endforeach;
		}

		return $content;

	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_ReplaceImage($content) {

		// Thumbnails image and replace
		$pattern = '/<img(.*?)src\="(.*?).(bmp|jpg|jpeg|gif|png)"(.*?)rel\="thumb"(.*?)\/\>/i';
		if (preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				$replacement = $this->pt_MakeThumb($match);
      				$content = str_replace($match[0], $replacement, $content);

			endforeach;
		}
		$pattern = '/<img(.*?)rel\="thumb"(.*?)src\="(.*?).(bmp|jpg|jpeg|gif|png)"(.*?)\/\>/i';
		if (preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				$match2 = array( 1 => $match[1], 2 => $match[3], 3 => $match[4], 4 => $match[2], 5 => $match[5]);
				$replacement = $this->pt_MakeThumb($match2);
      				$content = str_replace($match[0], $replacement, $content);

			endforeach;
		}

		return $content;
	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_ReplaceYoutube($content) {

                // Replace Youtube
		$pattern1 = '/\[youtube=\((.*?)\)(.*?)\]/i';
		$pattern2 = '@\<a(.*?)href="http://www.youtube.com/watch\?v=(.*?)"(.*?)\</a\>@i';
		$pattern3 = '/\<object(.*?)value="http:\/\/www.youtube.com\/v\/(.*?)"\>(.*?)\<\/object>/i';
		$pat_title = '/(.*?)title="(.*?)"/i';

		if (preg_match_all($pattern2, $content, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				if (preg_match($pat_title, $match[0], $mat_title))
					$title = $mat_title[2];
				else
					$title = '';

				$thumb = 'http://img.youtube.com/vi/'.$match[2].'/0.jpg" width="'.$this->settings['youtube_width'].'" height="'.$this->settings['youtube_height'];
				$replacement = SetYoutubeVideo ($match[2], $title, $thumb, $this->settings);
				$content = str_replace($match[0],$replacement, $content);

			endforeach;
		}

		if (preg_match_all($pattern3, $content, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				echo $match[1];
				if (preg_match($pat_title, $match[0], $mat_title))
					$title = $mat_title[2];
				else
					$title = '';

				$thumb = 'http://img.youtube.com/vi/'.$match[2].'/0.jpg" width="'.$this->settings['youtube_width'].'" height="'.$this->settings['youtube_height'];
				$replacement = SetYoutubeVideo ($match[2], '', $thumb, $this->settings);
				$content = str_replace($match[0],$replacement, $content);

			endforeach;
		}

		if (preg_match_all($pattern1, $content, $matches, PREG_SET_ORDER)) {

			foreach ($matches as $match) :

				$thumb = 'http://img.youtube.com/vi/'.$match[1].'/0.jpg" width="'.$this->settings['youtube_width'].'" height="'.$this->settings['youtube_height'];
				if (preg_match($pat_title, $match[0], $mat_title))
					$title = $mat_title[2];
				else
					$title = '';

				$replacement = SetYoutubeVideo ($match[1], $title, $thumb, $this->settings);
				$content = str_replace($match[0],$replacement, $content);

			endforeach;
		}

		return $content;
	}
	/****************************************************************/
	/* Filter function (if Highslide is activated)
	/****************************************************************/
	function pt_MakeThumb($match) {
	
		// Initialize parameters
		$the_image = $match[2].'.'.$match[3];
	        $tags = $match[1].$match[4].$match[5];

		// Extract alt attribute
		$pattern = '/(.*?)alt="(.*?)"(.*?)/i';
		if (preg_match($pattern,$tags,$patch)) {
			$alt_text = $patch[2];
		}

		// Extract title attribute
	        $title = $alt_text;
		$pattern = '/(.*?)title="(.*?)"(.*?)/i';
		if (preg_match($pattern,$tags,$patch)) {
			$title = $patch[2];
		}

		// Extract align attribute
		$pattern = '/(.*?)align="(.*?)"(.*?)/i';
		if (preg_match($pattern,$tags,$patch)) {
			$align = 'align="'.$patch[2].'"';
		}

		// Set post-thumb additionnal parameter
		if ($this->settings['p_rounded'] == 'true') $p_rounded = 1; else $p_rounded = 0;
		if ($this->settings['p_keep_ratio'] == 'true') $p_keep_ratio = 1; else $p_keep_ratio = 0;
		$has_caption = ($this->settings['p_caption'] == 'true');

		// Prepare parameter for thumbnail
		$arg = 	'ALTAPPEND='.$this->settings['p_append_text'].
			'&WIDTH='.$this->settings['p_resize_width'].
			'&HEIGHT='.$this->settings['p_resize_height'].
			'&ROUNDED='.$p_rounded.
			'&KEEPRATIO='.$p_keep_ratio;

		// Retrieve thumbnail
		$t = new pt_thumbnail ($this->settings, $the_image, $arg);
		$add_tag = $align;

		// Add thumbnail & highslide expand to image
		if (POSTTHUMB_USE_HS) {
			$h = new pt_highslide ($the_image, $t->thumb_url, $alt_text);
			$h->set_borders ($this->settings['ovframe']);
			$h->set_title ($title);
			if ($has_caption)
				$h->set_caption ($alt_text);
			$h->set_html_size();
			$h->set_href_text('', $add_tag);
			$h_str = $h->highslide_link ();
			unset ($h);
		}
		// Add thumbnail & thickbox class to image
		if (POSTTHUMB_USE_TB) {
			$h = new pt_thickbox ($the_image, $t->thumb_url, $alt_text);
			$h->set_href_text('', $add_tag);
			$h_str = $h->thickbox_link ();
			unset ($h);
		}

		unset ($t);

		return $h_str;
	}
	/****************************************************************/
	/* Get category image
	/****************************************************************/
	function InitWordTube () {
	
		// checks for player type and prefers the mediaplayer
		$wordtube_abspath = ABSPATH.'/wp-content/plugins/' . $this->wt_path.'/';
		if (file_exists($wordtube_abspath.'mediaplayer.swf')) $this->playertype = 'mediaplayer.swf';
		elseif (file_exists($wordtube_abspath.'mp3player.swf')) $this->playertype = 'mp3player.swf';
		elseif (file_exists($wordtube_abspath.'flvplayer.swf')) $this->playertype = 'flvplayer.swf';
		else $this->playertype = false;

		if (file_exists($wordtube_abspath.'mp3player.swf')) $this->playertypemp3 = 'mp3player.swf';
		else $this->playertypemp3 = $this->playertype;

		$this->wordtube_options = get_option('wordtube_options');
	}
	/****************************************************************/
	/* Get category image
	/****************************************************************/
	function pt_GetVideo ($name, $file, $image, $play_width, $play_height, $arg='') {

		// Init parameters
		$settings = '';
		$path = pathinfo($file);
		$extension = strtolower($path['extension']);
		$hs_width = $play_width+20;
		$ID = 'v'.rand();
		$playertype = $this->playertype;

		// Prepare the script string
		if ($extension == "flv") 
			$text = $this->settings['wordtube_vtext'];
		elseif ($extension == "mp3") { 
			$text = $this->settings['wordtube_mtext'];
			$playertype = $this->playertype;
			if ($this->wordtube_options['showeq']) $play_height=70; else $play_height = 20;
		}
				
		parse_str($arg, $new_args);
		$new_args = array_change_key_case($new_args, CASE_UPPER);
		if (isset($new_args['MYCLASSHREF'])) $myclasshref = $new_args['MYCLASSHREF']; else $myclasshref = '';
		if (isset($new_args['MYCLASSIMG'])) $myclassimg = ' class="'.$new_args['MYCLASSIMG'].'"'; else $myclassimg = '';

		// Get thumbnail
		if ($arg == '')
			$t = new pt_thumbnail($this->settings, $image, 'keepratio=0&width='.$this->settings['wordtube_width'].'&height='.$this->settings['wordtube_height'].'&altappend='.$this->settings['wordtube_text'].'&textbox=1&text='.$text);
		else 
			$t = new pt_thumbnail($this->settings, $image, $arg);
		$thumb_url = $t->thumb_url;
		unset($t);
		
		// Prepare highslide html
		if (POSTTHUMB_USE_HS) {

	                $replace = SetWordTubeMedia ($file, $image, $play_width, $play_height, $ID, $extension, $playertype, $this->wordtube_options);
			$h = new pt_highslide('#', $thumb_url, $name);
			$h->set_colors($this->settings['bgcolor']);
			$h->set_borders($this->settings['hsframe']);
			$h->set_size($play_width, $play_height);
			$h->set_myclasshref($myclasshref);
			$h->set_href_text($name, $myclassimg);
			$h->set_size($hs_width);
			$highslide = $h->highslide_link('swfObject', 'so'.$ID);
			unset($h);

			$replace .= $highslide;
		}
		elseif (POSTTHUMB_USE_TB) {

       	                $replace = SetWordTubeMedia ($file, $image, $play_width, $play_height, $ID, $extension, $playertype, $this->wordtube_options, true);
			$h = new pt_thickbox('', $thumb_url, $name);
			$h->set_size($play_width+5, $play_height+10);
			$h->set_href_text($name);
			$h->set_myclasshref($myclasshref);
			$h->set_body($replace);
			$replace = $h->thickbox_link('swfObject', $ID);

		}

		return $replace;

	}
	/****************************************************************/
	/* Get category image
	/****************************************************************/
	function pt_GetYoutube ($id, $title, $thumb) {
	
		return SetYoutubeVideo ($id, $title, $thumb, $this->settings);
		
	}
	/****************************************************************/
	/* test if a call is in a frame
	/****************************************************************/
	function is_inframe() {

		if (isset($_GET['inframe']))
			$inframe = $_GET['inframe'];
		else
			$inframe = 0;

		define('POSTHUMB_INFRAME', $inframe);

	}
	/****************************************************************/
	/* Includes features in header
	/****************************************************************/
	function pt_include_header() {

		if (POSTTHUMB_USE_HS) {

			/* highslide includes ============================== */ ?>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/highslide/highslide.js"></script>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/highslide/highslide-html.js"></script>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/highslide/swfobject.js"></script>
			<link rel="stylesheet" href="<?php echo POSTHUMB_ABSPATH; ?>js/style_hs.css" type="text/css" media="screen" />

			<script type="text/javascript">
				hs.graphicsDir = "<?php echo POSTHUMB_ABSPATH; ?>js/highslide/graphics/";
				hs.outlineType = "drop-shadow";
				hs.outlineWhileAnimating = false;
				hs.allowSizeReduction = true;
				hs.spaceForCaption = 30;
				hs.fullExpandTitle = "<?php _e('Expand to actual size', 'post-thumb'); ?>";
				hs.restoreTitle = "<?php _e('Click to close image, click and drag to move. Use arrow keys for next and previous.', 'post-thumb'); ?>";
				hs.focusTitle = "<?php _e('Click to bring to front', 'post-thumb'); ?>";
				hs.loadingText = "<?php _e('Loading...', 'post-thumb'); ?>";
				hs.loadingTitle = "<?php _e('Click to cancel', 'post-thumb'); ?>";
				hs.showCredits = false;
				hs.creditsText = '<?php _e("Powered by Highslide JS", "post-thumb"); ?>';
				hs.creditsHref = "<?php _e('http://vikjavev.no/highslide/', 'post-thumb'); ?>";
				hs.creditsTitle = "<?php _e('Go to the Highslide JS homepage', 'post-thumb'); ?>";
			</script>

			<?php /* slideshow includes ============================== */ ?>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/xfade2.js"></script>
			<link rel="stylesheet" href="<?php echo POSTHUMB_ABSPATH; ?>js/slideshow1.css" type="text/css" media="screen" />

			<?php
			$this->is_inframe();
		}
		if (POSTTHUMB_USE_TB) {

			/* thickbox includes ============================== */ ?>
			<script type="text/javascript">
				var tb_pathToImage = "<?php echo POSTHUMB_ABSPATH; ?>js/thickbox/loadingAnimation.gif";
			</script>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/jquery.js"></script>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/thickbox/thickbox.js"></script>
			<script type="text/javascript" src="<?php echo POSTHUMB_ABSPATH; ?>js/highslide/swfobject.js"></script>
			<link rel="stylesheet" href="<?php echo POSTHUMB_ABSPATH; ?>js/thickbox/thickbox.css" type="text/css" media="screen" />

			<?php
		}
	}
}
################################################################################
########## Record class
################################################################################
class postThumb {

	var $post_id;
	var $image_url='';
	var $media_url='';
	var $categories='';
	var $title='';
	var $date='';
	var $permalink='';
	var $author='';
	
	function postThumb($post='') {
		if ($post != '')
			$this->post_id = $post->ID;
			$this->title = $post->post_title;
			$this->date = $post->post_date;
			$this->permalink = get_permalink($this->post_id);
			$author = get_author_name($post->post_author);
			$this->author= '<a href="'.get_author_posts_url($post->post_author).'" title="'.
					__('Posts from: ', 'Post-thumb').$author.'">'.$author.'</a>';
	}
}
/****************************************************************/
/* Get category image
/****************************************************************/
function SetWordTubeMedia ($file, $image, $play_width, $play_height, $ID, $extension, $playertype, $wordtube_options='', $use_tb=false) {

	// Init parameters
	$settings = '';
	if ($wordtube_options == '') $wordtube_options = get_option('wordtube_options'); 
	$hs_width = $play_width+20;

        $body = '<a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see the wordTube Media Player.';
	
	// Prepare the script settings string
	if ($extension == "mp3" && $wordtube_options['showeq']) {
			$settings .= "\n\t".'so'.$ID.'.addVariable("showeq", "true");';
			$play_height = 70; // fixed for equalizer
	}
	elseif ($extension == "mp3") $play_height = 20;

		
	$settings .= "\n\t".'so'.$ID.'.addVariable("autostart", "true");';
	if ($wordtube_options['usewatermark']) $settings .= "\n\t".'so'.$ID.'.addVariable("logo", "'.$wordtube_options['watermarkurl'].'");';
	if ($wordtube_options['repeat']) $settings .= "\n\t".'so'.$ID.'.addVariable("repeat", "true");';
	if ($wordtube_options['overstretch']) $settings .= "\n\t".'so'.$ID.'.addVariable("overstretch", "'.$wordtube_options['overstretch'].'");';
	if ($wordtube_options['showdigits']) $settings .= "\n\t".'so'.$ID.'.addVariable("showdigits", "true");';
	if ($wordtube_options['showfsbutton']) $settings .= "\n\t".'so'.$ID.'.addVariable("showfsbutton", "true");';
	if ($wordtube_options['statistic']) $settings .= "\n\t".'so'.$ID.'.addVariable("callback", "'.WORDTUBE_URLPATH.'wordtube-statistics.php");';
			
	$settings .= "\n\t".'so'.$ID.'.addVariable("backcolor", "0x'.$wordtube_options['backcolor'].'");';
	$settings .= "\n\t".'so'.$ID.'.addVariable("frontcolor", "0x'.$wordtube_options['frontcolor'].'");';
	$settings .= "\n\t".'so'.$ID.'.addVariable("lightcolor", "0x'.$wordtube_options['lightcolor'].'");';
	$settings .= "\n\t".'so'.$ID.'.addVariable("volume", "'.$wordtube_options['volume'].'");';
	$settings .= "\n\t".'so'.$ID.'.addVariable("bufferlength", "'.$wordtube_options['bufferlength'].'");';

	// neeeded for IE problems
	$settings .= "\n\t".'so'.$ID.'.addVariable("width", "'.$play_width.'");';
	$settings .= "\n\t".'so'.$ID.'.addVariable("height", "'.$play_height.'");';

	if ($wordtube_options['showfsbutton']) {
		$settings .= "\n\t".'so'.$ID.'.addParam("allowfullscreen", "true");';
	} else {
		// transparent didn't work with fullscreen mode
		$settings .= "\n\t".'so'.$ID.'.addVariable("showfsbutton", "false");';
		$settings .= "\n\t".'so'.$ID.'.addParam("wmode", "transparent");';
	}

	// Starts build the final string wrapped in <script>
    	$replace = "\n\t".'<script type="text/javascript">';
	if ($wordtube_options['xhtmlvalid']) $replace .= "\n\t".'<!--';
	if ($wordtube_options['xhtmlvalid']) $replace .= "\n\t".'//<![CDATA[';
	$replace .= "\n\t".'var so'.$ID.' = new SWFObject("'.WORDTUBE_URLPATH.$playertype.'", "1", "'.$play_width.'", "'.$play_height.'", "7", "#FFFFFF");';
	$replace .= "\n\t".'so'.$ID.'.addVariable("file", "'.$file.'");';
	if ($extension != 'mp3') $replace .= "\n\t".'so'.$ID.'.addVariable("image", "'.$image.'");';
	
	$replace .= $settings;
	if ($use_tb) $replace .= "\n\t".'so'.$ID.'.write("myBody'.$ID.'");';

	if ($wordtube_options['xhtmlvalid']) $replace .= "\n\t".'//]]>'; // Wordpress change the CDATA end tag
	if ($wordtube_options['xhtmlvalid']) $replace .= "\n\t".'// -->';
	$replace .= "\n\t".'</script>'."\n";

	return $replace;

}
/****************************************************************/
/* Get category image
/****************************************************************/
function SetYoutubeVideo ($ytb_ID, $title='', $thumb, $settings, $add_arg='') {

	$ID = 'y'.rand();
	$url = 'http://www.youtube.com/watch?v='.$ytb_ID;
	if ($title == '') $title = 'Youtube video';

	$replacement = "\n".'<script type="text/javascript">';
	$replacement .= "\n\t".'var so'.$ID.'y = new SWFObject("http://www.youtube.com/v/'.$ytb_ID.'&amp;autoplay=true"';
	$replacement .= ', "1", "'.$settings['youtube_pwidth'].'", "'.$settings['youtube_pheight'].'", "7", "'.$settings['bgcolor'].'")';
	if (class_exists('pt_thickbox')) $replacement .= "\n\t".'so'.$ID.'y.write("myBody'.$ID.'");';
	$replacement .= "\n".'</script>'."\n";

	if (class_exists('pt_highslide')) {
	
		$h = new pt_highslide($url, $thumb, $title);
		$h->set_colors($settings['bgcolor']);
		$h->set_borders($settings['hsframe']);
		$h->set_href_text($title, $add_arg);
		$h->set_bottom(__('Direct link to: ', 'post-thumb').$title, $url);
		$h->set_size($settings['youtube_pwidth']+20, $settings['youtube_pheight']+20);
		$replacement .= $h->highslide_link('swfObject', 'so'.$ID.'y');
	
		unset($h);
	}
	elseif (class_exists('pt_thickbox')) {
	
		$h = new pt_thickbox($url, $thumb, $title);
		$h->set_size($settings['youtube_pwidth']+5, $settings['youtube_pheight']+10);
		$h->set_href_text($title);
		$h->set_body($replacement);
		$replacement = $h->thickbox_link('swfObject', $ID);
	
		unset($h);
	} 
	else {
		$replacement = "\n".'<object data="http://youtube.com/v/'.$ytb_ID.'" type="application/x-shockwave-flash" width="'.$settings['youtube_pwidth'].'" height="'.$settings['youtube_pheight'].'">';
	  	$replacement .=	"\n\t".'<param name="movie" value="http://youtube.com/v/'.$ytb_ID.'" />';
		$replacement .=	"\n".'</object>';
	}


	return $replacement;
}
?>