<?php 
 
/* 
   This code is free software. 
   Its licence is the GNU GPL (available here: http://www.gnu.org/licenses/gpl.txt). 
*/ 
 
class NP_MetaDescription extends NucleusPlugin { 
 
   function getName() {         return 'Meta Description'; } 
   function getAuthor()  {        return 'Jef Pober'; } 
   function getURL() {            return 'http://fuckhedz.com'; } 
   function getVersion() {        return '1.0'; } 
   function getDescription() { return 'Provides an easy way to add a meta description tag'; } 
 
   function supportsFeature($feature) { 
      switch($feature) { 
         case 'SqlTablePrefix': 
            return 1; 
         default: 
            return 0; 
      } 
   } 
 
   function install() { 
      $this->createOption('indexDescription','Description for the index page','text'); 
      $this->createOption('archivelistDescription','Description for the archive list','text'); 
      $this->createOption('archiveDescription','Description for archive pages','text'); 
      $this->createOption('memberDescription','Description for member detail pages (%M gets replaced by the member name)','text'); 
      $this->createOption('searchDescription','Description for search pages (%S gets replaced by the search term)','text'); 
      $this->createOption('itemDescription','Description for item pages (%E gets replaced by an excerpt)','text'); 
      $this->createOption('imagepopupDescription','Description for image popups','text'); 
      $this->createOption('otherDescription','Description for other pages (for example custom pages', 'text'); 
      $this->createOption('excerptLenght','The maximum amount of characters for an excerpt','text','50'); 
      $this->createOption('xhtmlOutput','Output XHML?','yesno','yes'); 
      $this->createOption('tabAmount','Amount of tabs to go before meta tag','text','1');    
   }       
 
 
 
   function doSkinVar($skinType) { 
      global $memberid, $itemid; 
 
      switch($skinType) { 
         case 'index': 
            $description = $this->getOption('indexDescription'); 
            break; 
         case 'archivelist': 
            $description = $this->getOption('archivelistDescription'); 
            break; 
         case 'archive': 
            $description = $this->getOption('archiveDescription'); 
            break; 
         case 'member': 
            $description = str_replace('%M',$this->getMemberNameById($memberid),$this->getOption('memberDescription')); 
            break; 
         case 'search': 
            $description = str_replace('%S',requestVar('query'),$this->getOption('searchDescription')); 
            break; 
         case 'item': 
            $body = strip_tags($this->getItemBodyById($itemid)); 
            $body = str_replace("\n","",$body); 
            $body = str_replace("\r","",$body); 
            $maxlen = $this->getOption('excerptLenght'); 
            if (strlen($body) > $maxlen) { 
               $body = substr($body,0,$maxlen-3) . '...'; 
            } 
            $description = str_replace('%E',$body,$this->getOption('itemDescription')); 
            break; 
         case 'imagepopup': 
            $description = $this->getOption('imagepopupDescription'); 
            break; 
         case 'other': 
            $description = $this->getOption('otherDescription'); 
            break;             
      } 
 
      $this->makeMetaTag('description',$description); 
 
   } 
 
   function makeMetaTag($name,$value) {    
      for ($i=0;$i<$this->getOption('tabAmount');$i++) { 
         echo "\t"; 
      } 
 
      echo "<meta name=\"$name\" content=\"$value\""; 
 
      if ($this->getOption('xhtmlOutput') == 'yes') { 
         echo " />"; 
      } else { 
         echo ">"; 
      } 
 
      echo "\n"; 
   } 
 
   function getMemberNameById($id) { 
      $result = sql_query('SELECT mname FROM ' . sql_table('member') . " WHERE mnumber=$id"); 
      if ($result) { 
         return mysql_result($result,0); 
      } else { 
         return false; 
      } 
   } 
 
   function getItemBodyById($id) { 
      $result = sql_query('SELECT ibody FROM ' . sql_table('item') . " WHERE inumber=$id"); 
      if ($result) { 
         return mysql_result($result,0); 
      } else { 
         return false; 
      }       
   } 
} 
 
?>