Extension:TransformChanges.php

<?

1. Extension:TransformChangesTemplate:Php

These are the MediaWiki extensions we're using and/or developing. Please refer to the information on the mediawiki.org wiki for installation and usage details. Extensions here which have no corresponding mediawiki article are either not ready for use or have been superseded. You can also browse our extension code in our local Subversion repository or our GitHub mirror.

1. - See http://www.mediawiki.org/Extension:TransformChanges for installation and usage details
2. - Licenced under LGPL (http://www.gnu.org/copyleft/lesser.html)

if (!defined('MEDIAWIKI')) die('Not an entry point.');

define('TRANSFORMCHANGES_VERSION','1.0.8, 2008-02-07');

$wgExtensionCredits['other'][] = array(

       'name'        => 'TransformChanges',
       'author'      => 'User:Nad',
       'description' => 'Makes recent-changes and watchlists render in nice columns for easier reading.',
       'url'         => 'http://www.organicdesign.co.nz/Extension:TransformChanges',
       'version'     => TRANSFORMCHANGES_VERSION

);

1. 1. Returns the position of the $n-th $c token (string) in $haystack (= position at the end of the token)

function strposn($haystack, $c, $n) {

       $a = explode($c, $haystack, $n+1);
       if($n <= 0 || count($a) <= $n)
               return false;
       return strlen($haystack) - strlen($a[$n]);

}

1. Disable enhanced recent changes

$wgExtensionFunctions[] = 'wfSetupTransformChanges'; function wfSetupTransformChanges() {

       global $wgUser;
       $wgUser->setOption('usenewrc',false);

}

$wgHooks['SpecialPageExecuteAfterPage'][] = 'wfTransformChanges'; function wfTransformChanges() {

       global $wgOut;
       $title = $wgOut->getPageTitle();
       if ($title != wfMsgForContent('recentchanges') && $title != wfMsgForContent('watchlist')) return true;
       $text =& $wgOut->mBodytext;

$text = preg_replace('|(\\s*)?

(.+?)

\\s*(

)
• |s','$3
• ',$text);

         ## Edits by Fish1203
         ## (http://www.mediawiki.org/wiki/User:Fish1203)
         ## solving the PHP preg_replace_callback() pcre.backtrack_limit problem
  

         ## splitting in days
  

  $parts = explode('
  ',$text); $first = 1; $nbedits = 50; $text = $parts[0] . ""; foreach($parts as $part) { if ($first == 1) { ## skipping first part (= Special:RecentChanges "header") $first = 0; } else { $nbsubparts = (substr_count($part,"") - 1); ## how many edits for this day ?

                         ## if more than $nbedits edits for this day
                         if ($nbsubparts > $nbedits) {             
                                 $divide = intval(abs($nbsubparts/$nbedits));
  

                                 ## splits each day in parts containing $nbedits edits (max.)
                                 $start = 0;
                                 $parts2 = array();
                                 for($lp=0; $lp<$divide; $lp++) {
  

  $parts2[$lp] = substr($part, $start, (strposn($part,"",($lp+1)*$nbedits))-$start ); $start = (strposn($part,"",($lp+1)*$nbedits));

                                 }
                                 $parts2[$divide] = substr($part, $start, strlen($part));   ## last part for the day
  
                                 foreach($parts2 as $part2) {
  

  $part2 = '
  ' . $part2 . '
  '; $text .= preg_replace_callback('|
  (.+?)
  |s','wfTransformChangesUL',$part2);

                                 }
                         }
                         else {
  

  $part = '
  ' . $part . '
  '; $text .= preg_replace_callback('|
  (.+?)
  |s','wfTransformChangesUL',$part);

                         }
                 }
         }
  

  ## there may be one last tag remaining...

         ## just remove it... :-)
  

  $text = str_replace("","",$text); $text .= "";

         return true;
  

  }

  function wfTransformChangesUL($match) {

         global $wgTransformChangesRow;
         $wgTransformChangesRow = 'odd';               ## was originally $wgTransformChangesRow = 0
  

  $rows = preg_replace_callback('|<li\\s*(.*?)>(.+?)|s','wfTransformChangesLI',$match[1]);

         return $rows;
  

  }

  function wfTransformChangesLI($match) {

         global $wgTransformChangesRow,$wgSimpleSecurity;
         $wgTransformChangesRow = $wgTransformChangesRow == 'even' ? 'odd' : 'even';
         list(,$date,$text) = $match;
         $cols = array('time','title','user','talk','info','comment','diff');
         $ncols = count($cols);
         $row = ;
  

  $error = 'Error: match failed!';

         if ($date) {
  

  $row = "$date\n";

                 $wgTransformChangesRow = 'even';
         }
  

  $row .= ""; if (preg_match('|^(.*?); (\\d+:\\d+)(.+?)(<a.+?\\))\\s*(.*?)$|',$text,$m)) { list(,$diff,$time,$bytes,$user,$comment) = $m; if (preg_match('|^(.+\\)).*?\\. \\.\\s*(.*?)\\s*(<a.+)$|',$diff,$m)) list(,$diff,$info,$title) = $m; else $info = $title = ; if (preg_match('|(\\(.+?\\))|',$bytes,$m)) $info .= "$m[1]"; if (preg_match('|(<a.+?</a>).+?(\\(.+?\\))|',$user,$m)) { # Remove talk for email or IP users and make user lowercase list(,$user,$talk) = $m; if (ereg('@',$user) || !eregi('[a-z]',$user)) { $talk = ; $user = strtolower($user); } } if (preg_match('|\\((.+)\\)|',$comment,$m)) $comment = $m[1]; $allowed = true; if (preg_match('|title="(.+?)"|',$title,$m) && is_object($wgSimpleSecurity)) { # Only show row if ok by SimpleSecurity extension $t = Title::newFromText($m[1]); $allowed = $wgSimpleSecurity->validateTitle('view',$t); } if ($allowed) foreach ($cols as $col) $row .= "{$$col}";

                 } else $row = $error;
  

  $row .= "\n"; return $row; }