##############################################################
## MOD Title: Post Exerpt
## MOD Author: Goxu < goxu@dowonders.net >
## MOD Description: Excerpts first posts and display them in the forum index. 
## If there are images posted, the first one will be displayed in the forum index as thumbnail.
## 
## MOD Version: 1.4.0
##
## Installation Level: (Easy)
## Installation Time: 5 Minutes
## Files To Edit: viewforum.php
##		  templates/subSilver/viewforum_body.tpl
## Included Files: (n/a)
##############################################################
## Author Notes: My First mod :) Great Thanks to dESiLVer, who created the Mouse Hover Last Post.
## This mod is just a little sister of that mod. Thanks to Mr. Ocean and hikkun for their support.
##
##
## In order to change the excerpt length, just edit the $char_limit = '380'; to whatever number you wish.
##############################################################
## MOD History:
##
##   2006-10-15 - Version 1.0.0
##   2006-10-18 - Version 1.1.0  :picture preview is avalable
##   2006-10-20 - Version 1.2.0  :trims long url and retrieve [img]-tagged images.
##   2006-10-22 - Version 1.3.0  :adds creation dates
##   2006-10-23 - Version 1.4.0  :fixed a imagepreview problem that does not extract the first image and other minor issues.
##				  
##	
##############################################################
## Before Adding This MOD To Your Forum, You Should Back Up All Files Related To This MOD
##############################################################

#
#-----[ OPEN ]------------------------------
#
viewforum.php
#
#-----[ FIND ]-----------------------------------
#

      $row_color = ( !($i % 2) ) ? $theme['td_color1'] : $theme['td_color2'];
      $row_class = ( !($i % 2) ) ? $theme['td_class1'] : $theme['td_class2'];

#
#-----[ AFTER, ADD ]-------------------------------------------
#

		$sql = "SELECT post_text FROM " . POSTS_TEXT_TABLE . " WHERE post_id=" . $topic_rowset[$i]['topic_first_post_id'];
		$result = $db->sql_query($sql);
        	$row = $db->sql_fetchrow($result);
	      	$db->sql_freeresult($result);
		$excerpt_post = $row['post_text'];
		
		// insert image thumbnails
		if (preg_match("#(?:\[url=(.+)\])?\[img:(.+)\](.+)\[/img:(.+)\]#", $excerpt_post, $matches)){
		  if ($matches[1]){
		  $imagepreview = "<a href=\"$matches[1]\" target=\"_blank\"><img src=\"$matches[3]\" alt=\"$matches[1]\" height =\"60\"></a>";
		  } else {
		  $imagepreview = "<a href=\"$matches[3]\" target=\"_blank\"><img src=\"$matches[3]\" alt=\"$matches[3]\" height =\"60\"></a>";
		  }
		}

     		$char_limit = '380';
		if (strlen($excerpt_post) > $char_limit)
		{
		$excerpt_post=substr($excerpt_post, 0, $char_limit) . "....";
		}
		$excerpt_post = preg_replace("/\[.+\]/iU",'',$excerpt_post);
		$excerpt_post = str_replace(array('"', '\''), array('&quote;', '\\\''), $excerpt_post);

		// trim long urls
		$excerpt_post=preg_replace_callback('#\s*http://[^\s]+#i','trim_url',$excerpt_post);
		// get the topic creation date
		$first_post_date = create_date('d/M/y', $topic_rowset[$i]['topic_time'], $userdata['user_tz']);
#
#
#-----[ FIND ]-----------------------------------
#

			'LAST_POST_TIME' => $last_post_time,

#
#-----[ AFTER, ADD ]-------------------------------------------
#

			'EXCERPT_POST' => $excerpt_post,
			'IMAGE_PREVIEW' => $imagepreview,
			'FIRST_POST_DATE' => $first_post_date,

#
#-----[ FIND ]-----------------------------------
#

?>

#
#-----[ Before, ADD ]-------------------------------------------
#

function trim_url($matches_s){
if(strlen($matches_s[0])>50){
return substr($matches_s[0],0,40)."...";
}else return $matches_s[0];
}

#
#-----[ OPEN ]------------------------------
#
templates/subSilver/viewforum_body.tpl
#
#-----[ FIND ]-----------------------------------
#

<td class="row1" width="100%"><span class="topictitle">{topicrow.NEWEST_POST_IMG}{topicrow.TOPIC_TYPE}<a href="{topicrow.U_VIEW_TOPIC}" class="topictitle">{topicrow.TOPIC_TITLE}</a></span><span class="gensmall"><br />

#
#
#-----[ IN-LINE FIND ]-----------------------------------
#
 {topicrow.TOPIC_TYPE}

#
#-----[ IN-LINE AFTER, ADD ]-------------------------------------------
#

<span style="float: right;">{topicrow.IMAGE_PREVIEW}</span>

#
#
#-----[ IN-LINE FIND ]-----------------------------------
#

 {topicrow.TOPIC_TITLE}</a></span>

#
#-----[ IN-LINE AFTER, ADD ]-------------------------------------------
#

<br><span class='row3' style='font-size: 7pt;'>{topicrow.EXCERPT_POST}&nbsp;<span class='row3' style='font-size: 6pt;'>({topicrow.FIRST_POST_DATE})</span>

#
#-----[ SAVE/CLOSE ALL FILES ]------------------------------------------
#
# That's it! :)