includes/ChangesList.php

   1 <?php
   2 /**
   3  * @package MediaWiki
   4  * Contain class to show various lists of change:
   5  * - what's link here
   6  * - related changes
   7  * - recent changes
   8  */
   9
  10 /**
  11  * @package MediaWiki
  12  */
  13 class ChangesList {
  14         # Called by history lists and recent changes
  15         #
  16
  17         /** @todo document */
  18         function ChangesList( &$skin ) {
  19                 $this->skin =& $skin;
  20                 $this->preCacheMessages();
  21         }
  22
  23         function newFromUser( &$user ) {
  24                 $sk =& $user->getSkin();
  25                 if ( $user->getOption('usenewrc') ) {
  26                         return new EnhancedChangesList( $sk );
  27                 } else {
  28                         return new OldChangesList( $sk );
  29                 }
  30         }
  31
  32         /**
  33          * As we use the same small set of messages in various methods and that
  34          * they are called often, we call them once and save them in $this->message
  35          */
  36         function preCacheMessages() {
  37                 // Precache various messages
  38                 if( !isset( $this->message ) ) {
  39                         foreach( explode(' ', 'cur diff hist minoreditletter newpageletter last blocklink' ) as $msg ) {
  40                                 $this->message[$msg] = wfMsg( $msg );
  41                         }
  42                 }
  43         }
  44
  45
  46         /**
  47          * Returns the appropiate flags for new page, minor change and patrolling
  48          */
  49         function recentChangesFlags( $new, $minor, $patrolled, $nothing = '&nbsp;' ) {
  50                 $f = $new ? '<span class="newpage">' . wfMsgHtml( 'newpageletter' ) . '</span>'
  51                                 : $nothing;
  52                 $f .= $minor ? '<span class="minor">' . wfMsgHtml( 'minoreditletter' ) . '</span>'
  53                                 : $nothing;
  54                 $f .= $patrolled ? '<span class="unpatrolled">!</span>' : $nothing;
  55                 return $f;
  56         }
  57
  58         /**
  59          * Returns text for the start of the tabular part of RC
  60          */
  61         function beginRecentChangesList() {
  62                 $this->rc_cache = array() ;
  63                 $this->rcMoveIndex = 0;
  64                 $this->rcCacheIndex = 0 ;
  65                 $this->lastdate = '';
  66                 $this->rclistOpen = false;
  67                 return '';
  68         }
  69
  70         /**
  71          * Returns text for the end of RC
  72          * If enhanced RC is in use, returns pretty much all the text
  73          */
  74         function endRecentChangesList() {
  75                 $s = $this->recentChangesBlock() ;
  76                 if( $this->rclistOpen ) {
  77                         $s .= "</ul>\n";
  78                 }
  79                 return $s;
  80         }
  81
  82         /**
  83          * Enhanced RC ungrouped line.
  84          * @return string a HTML formated line (generated using $r)
  85          */
  86         function recentChangesBlockLine ( $rcObj ) {
  87                 global $wgStylePath, $wgContLang ;
  88
  89                 # Get rc_xxxx variables
  90                 extract( $rcObj->mAttribs ) ;
  91                 $curIdEq = 'curid='.$rc_cur_id;
  92
  93                 $r = '' ;
  94
  95                 # Spacer image
  96                 $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" border="0" />' ;
  97
  98                 # Flag and Timestamp
  99                 $r .= '<tt>' ;
 100
 101                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 102                         $r .= '&nbsp;&nbsp;&nbsp;';
 103                 } else {
 104                         $r .= $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $rcObj->unpatrolled );
 105                 }
 106                 $r .= ' '.$rcObj->timestamp.' </tt>' ;
 107
 108                 # Article link
 109                 $link = $rcObj->link ;
 110                 // FIXME: should be handled with a css class
 111                 if ( $rcObj->watched ) $link = '<strong>'.$link.'</strong>' ;
 112                 $r .= $link ;
 113
 114                 # Diff
 115                 $r .= ' ('. $rcObj->difflink .'; ' ;
 116
 117                 # Hist
 118                 $r .= $this->skin->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
 119
 120                 # User/talk
 121                 $r .= ') . . '.$rcObj->userlink . $rcObj->usertalklink ;
 122
 123                 # Comment
 124                  if ( $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
 125                         $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
 126                 }
 127
 128                 if ($rcObj->numberofWatchingusers > 0) {
 129                         $r .= wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($rcObj->numberofWatchingusers));
 130                 }
 131
 132                 $r .= "<br />\n" ;
 133                 return $r ;
 134         }
 135
 136         /**
 137          * If enhanced RC is in use, this function takes the previously cached
 138          * RC lines, arranges them, and outputs the HTML
 139          */
 140         function recentChangesBlock () {
 141                 global $wgStylePath ;
 142                 if ( count ( $this->rc_cache ) == 0 ) return '' ;
 143                 $blockOut = '';
 144                 foreach ( $this->rc_cache AS $secureName => $block ) {
 145                         if ( count ( $block ) < 2 ) {
 146                                 $blockOut .= $this->recentChangesBlockLine ( array_shift ( $block ) ) ;
 147                         } else {
 148                                 $blockOut .= $this->recentChangesBlockGroup ( $block ) ;
 149                         }
 150                 }
 151
 152                 return '<div>'.$blockOut.'</div>' ;
 153         }
 154
 155
 156         function insertMove(&$s) {
 157                 # Diff
 158                 $s .= '(' . $this->message['diff'] . ') (';
 159                 # Hist
 160                 $s .= $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), $this->message['hist'], 'action=history' ) .
 161                         ') . . ';
 162
 163                 # "[[x]] moved to [[y]]"
 164                 $msg = ( $rc_type == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
 165                 $s .= wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 166                         $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 167         }
 168
 169         function insertDateHeader(&$s, $rc_timestamp) {
 170                 global $wgLang;
 171
 172                 # Make date header if necessary
 173                 $date = $wgLang->date( $rc_timestamp, true, true );
 174                 $s = '';
 175                 if ( $date != $this->lastdate ) {
 176                         if ( '' != $this->lastdate ) { $s .= "</ul>\n"; }
 177                         $s .= '<h4>'.$date."</h4>\n<ul class=\"special\">";
 178                         $this->lastdate = $date;
 179                         $this->rclistOpen = true;
 180                 }
 181         }
 182
 183         function insertLog(&$s, $title, $logtype) {
 184                 $logname = LogPage::logName( $logtype );
 185                 $s .= '(' . $this->skin->makeKnownLinkObj($title, $logname ) . ')';
 186         }
 187
 188
 189         function insertDiffHist(&$s, &$rc, $unpatrolled) {
 190                 # Diff link
 191                 if ( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
 192                         $diffLink = $this->message['diff'];
 193                 } else {
 194                         $rcidparam = $unpatrolled
 195                                 ? array( 'rcid' => $rc->mAttribs['rc_id'] )
 196                                 : array();
 197                         $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'],
 198                                 wfArrayToCGI( array(
 199                                         'curid' => $rc->mAttribs['rc_cur_id'],
 200                                         'diff'  => $rc->mAttribs['rc_this_oldid'],
 201                                         'oldid' => $rc->mAttribs['rc_last_oldid'] ),
 202                                         $rcidparam ),
 203                                 '', '', ' tabindex="'.$rc->counter.'"');
 204                 }
 205                 $s .= '('.$diffLink.') (';
 206
 207                 # History link
 208                 $s .= $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['hist'],
 209                         wfArrayToCGI( array(
 210                                 'curid' => $rc->mAttribs['rc_cur_id'],
 211                                 'action' => 'history' ) ) );
 212                 $s .= ') . . ';
 213         }
 214
 215         function insertArticleLink(&$s, &$rc, $unpatrolled, $watched) {
 216                 # Article link
 217                 # If it's a new article, there is no diff link, but if it hasn't been
 218                 # patrolled yet, we need to give users a way to do so
 219                 $params = ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW )
 220                         ? 'rcid='.$rc->mAttribs['rc_id']
 221                         : '';
 222                 $articlelink = ' '. $this->skin->makeKnownLinkObj( $rc->getTitle(), '', $params );
 223                 if($watched) $articlelink = '<strong>'.$articlelink.'</strong>';
 224
 225                 $s .= ' '.$articlelink;
 226         }
 227
 228         function insertTimestamp(&$s, &$rc) {
 229                 global $wgLang;
 230         # Timestamp
 231         $s .= '; ' . $wgLang->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
 232         }
 233
 234         /** Insert links to user page, user talk page and eventually a blocking link */
 235         function insertUserRelatedLinks(&$s, &$rc) {
 236                 $this->insertUserLink($s,$rc);
 237                 $openParenthesis = false;
 238
 239                 global $wgDisableAnonTalk;
 240                 if(!( 0 == $rc->mAttribs['rc_user'] && $wgDisableAnonTalk)) {
 241                         $openParenthesis = true;
 242                         $s .= ' (';
 243                         $this->insertUserTalkLink($s,$rc);
 244                 }
 245
 246                 global $wgSysopUserBans, $wgUser;
 247                 if ( ( $wgSysopUserBans || 0 == $rc->mAttribs['rc_user'] ) && $wgUser->isAllowed('block') ) {
 248                         $s .= $openParenthesis ? ' | ' : '(';
 249                         $this->insertUserBlockLink($s,$rc);
 250                 }
 251                 $s .= $openParenthesis ? ') ' : '';
 252         }
 253
 254         /** insert a formatted link to the user page */
 255         function insertUserLink(&$s, &$rc) {
 256                 # User link (or contributions for unregistered users)
 257                 if ( 0 == $rc->mAttribs['rc_user'] ) {
 258                         $contribsPage =& Title::makeTitle( NS_SPECIAL, 'Contributions' );
 259                         $userLink = $this->skin->makeKnownLinkObj( $contribsPage,
 260                                 $rc->mAttribs['rc_user_text'], 'target=' . $rc->mAttribs['rc_user_text'] );
 261                 } else {
 262                         $userPage =& Title::makeTitle( NS_USER, $rc->mAttribs['rc_user_text'] );
 263                         $userLink = $this->skin->makeLinkObj( $userPage, htmlspecialchars( $rc->mAttribs['rc_user_text'] ) );
 264                 }
 265                 $s .= $userLink;
 266         }
 267
 268         /** insert a formatted link to the user talk page */
 269         function insertUserTalkLink(&$s, &$rc) {
 270                 # User talk link
 271                 global $wgContLang;
 272                 $talkname = $wgContLang->getNsText(NS_TALK); # use the shorter name
 273                 $userTalkPage =& Title::makeTitle( NS_USER_TALK, $rc->mAttribs['rc_user_text'] );
 274                 $userTalkLink= $this->skin->makeLinkObj( $userTalkPage, htmlspecialchars( $talkname ) );
 275                 $s .= $userTalkLink;
 276         }
 277
 278         /** insert a formatted link to block an user */
 279         function insertUserBlockLink(&$s, &$rc) {
 280                 # Block link
 281                 $blockLinkPage = Title::makeTitle( NS_SPECIAL, 'Blockip' );
 282                 $blockLink = $this->skin->makeKnownLinkObj( $blockLinkPage,
 283                 htmlspecialchars( $this->message['blocklink'] ), 'ip=' . urlencode( $rc->mAttribs['rc_user_text'] ) );
 284                 $s .= $blockLink;
 285         }
 286
 287         /** insert a formatted comment */
 288         function insertComment(&$s, &$rc) {
 289                 # Add comment
 290                 if ( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
 291                         $s .= $this->skin->commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
 292                 }
 293         }
 294 }
 295
 296
 297 /**
 298  * Generate a list of changes using the good old system (no javascript)
 299  */
 300 class OldChangesList extends ChangesList {
 301         /**
 302          * Format a line using the old system (aka without any javascript).
 303          */
 304         function recentChangesLine( &$rc, $watched = false ) {
 305                 global $wgTitle, $wgLang, $wgContLang, $wgUser, $wgUseRCPatrol,
 306                         $wgOnlySysopsCanPatrol, $wgSysopUserBans;
 307
 308                 $fname = 'ChangesList::recentChangesLineOld';
 309                 wfProfileIn( $fname );
 310
 311
 312                 # Extract DB fields into local scope
 313                 extract( $rc->mAttribs );
 314                 $curIdEq = 'curid=' . $rc_cur_id;
 315
 316                 # Should patrol-related stuff be shown?
 317                 $unpatrolled = $wgUseRCPatrol && $wgUser->isLoggedIn() &&
 318                   ( !$wgOnlySysopsCanPatrol || $wgUser->isAllowed('patrol') ) && $rc_patrolled == 0;
 319
 320                 $this->insertDateHeader($s,$rc_timestamp);
 321
 322                 $s .= '<li>';
 323
 324                 // moved pages
 325                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 326                         $this->insertMove($s);
 327                 // log entries
 328                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
 329                         $this->insertLog($s, $rc->getTitle(), $matches[1]);
 330                 // all other stuff
 331                 } else {
 332                         wfProfileIn($fname.'-page');
 333
 334                         $this->insertDiffHist($s, $rc, $unpatrolled);
 335
 336                         # M, N and ! (minor, new and unpatrolled)
 337                         $s .= ' ' . $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $unpatrolled, '' );
 338                         $this->insertArticleLink($s, $rc, $unpatrolled, $watched);
 339
 340                         wfProfileOut($fname.'-page');
 341                 }
 342
 343                 wfProfileIn( $fname.'-rest' );
 344
 345                 $this->insertTimestamp($s,$rc);
 346                 $this->insertUserRelatedLinks($s,$rc);
 347                 $this->insertComment($s, $rc);
 348
 349                 if ($rc->numberofWatchingusers > 0) {
 350                         $s .= ' ' . wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($rc->numberofWatchingusers));
 351                 }
 352
 353                 $s .= "</li>\n";
 354
 355                 wfProfileOut( $fname.'-rest' );
 356
 357                 wfProfileOut( $fname );
 358                 return $s;
 359         }
 360 }
 361
 362
 363 /**
 364  * Generate a list of changes using an Enhanced system (use javascript).
 365  */
 366 class EnhancedChangesList extends ChangesList {
 367         /**
 368          * Format a line for enhanced recentchange (aka with javascript and block of lines).
 369          */
 370         function recentChangesLine( &$baseRC, $watched = false ) {
 371                 global $wgTitle, $wgLang, $wgContLang, $wgUser,
 372                         $wgUseRCPatrol, $wgOnlySysopsCanPatrol, $wgSysopUserBans;
 373
 374                 # Create a specialised object
 375                 $rc = RCCacheEntry::newFromParent( $baseRC ) ;
 376
 377                 # Extract fields from DB into the function scope (rc_xxxx variables)
 378                 extract( $rc->mAttribs );
 379                 $curIdEq = 'curid=' . $rc_cur_id;
 380
 381                 # If it's a new day, add the headline and flush the cache
 382                 $date = $wgLang->date( $rc_timestamp, true);
 383                 $ret = '';
 384                 if ( $date != $this->lastdate ) {
 385                         # Process current cache
 386                         $ret = $this->recentChangesBlock () ;
 387                         $this->rc_cache = array() ;
 388                         $ret .= "<h4>{$date}</h4>\n";
 389                         $this->lastdate = $date;
 390                 }
 391
 392                 # Should patrol-related stuff be shown?
 393                 if ( $wgUseRCPatrol && $wgUser->isLoggedIn() &&
 394                   ( !$wgOnlySysopsCanPatrol || $wgUser->isAllowed('patrol') )) {
 395                         $rc->unpatrolled = !$rc_patrolled;
 396                 } else {
 397                         $rc->unpatrolled = false;
 398                 }
 399
 400                 # Make article link
 401                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 402                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
 403                         $clink = wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 404                           $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 405                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
 406                         # Log updates, etc
 407                         $logtype = $matches[1];
 408                         $logname = LogPage::logName( $logtype );
 409                         $clink = '(' . $this->skin->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
 410                 } elseif ( $rc->unpatrolled && $rc_type == RC_NEW ) {
 411                         # Unpatrolled new page, give rc_id in query
 412                         $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
 413                 } else {
 414                         $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '' ) ;
 415                 }
 416
 417                 $time = $wgContLang->time( $rc_timestamp, true, true );
 418                 $rc->watched = $watched ;
 419                 $rc->link = $clink ;
 420                 $rc->timestamp = $time;
 421                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
 422
 423                 # Make "cur" and "diff" links
 424                 $titleObj = $rc->getTitle();
 425                 if ( $rc->unpatrolled ) {
 426                         $rcIdQuery = "&rcid={$rc_id}";
 427                 } else {
 428                         $rcIdQuery = '';
 429                 }
 430                 $query = $curIdEq."&diff=$rc_this_oldid&oldid=$rc_last_oldid";
 431                 $aprops = ' tabindex="'.$baseRC->counter.'"';
 432                 $curLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['cur'], $query, '' ,'' , $aprops );
 433                 if( $rc_type == RC_NEW || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 434                         if( $rc_type != RC_NEW ) {
 435                                 $curLink = $this->message['cur'];
 436                         }
 437                         $diffLink = $this->message['diff'];
 438                 } else {
 439                         $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'], $query . $rcIdQuery, '' ,'' , $aprops );
 440                 }
 441
 442                 # Make "last" link
 443                 if ( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 444                         $lastLink = $this->message['last'];
 445                 } else {
 446                         $lastLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['last'],
 447                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
 448                 }
 449
 450                 # Make user link (or user contributions for unregistered users)
 451                 if ( $rc_user == 0 ) {
 452                         $contribsPage =& Title::makeTitle( NS_SPECIAL, 'Contributions' );
 453                         $userLink = $this->skin->makeKnownLinkObj( $contribsPage,
 454                                 $rc_user_text, 'target=' . $rc_user_text );
 455                 } else {
 456                         $userPage =& Title::makeTitle( NS_USER, $rc_user_text );
 457                         $userLink = $this->skin->makeLinkObj( $userPage, $rc_user_text );
 458                 }
 459
 460                 $rc->userlink = $userLink;
 461                 $rc->lastlink = $lastLink;
 462                 $rc->curlink  = $curLink;
 463                 $rc->difflink = $diffLink;
 464
 465                 # Make user talk link
 466                 $talkname = $wgContLang->getNsText( NS_TALK ); # use the shorter name
 467                 $userTalkPage =& Title::makeTitle( NS_USER_TALK, $rc_user_text );
 468                 $userTalkLink = $this->skin->makeLinkObj( $userTalkPage, $talkname );
 469
 470                 global $wgDisableAnonTalk;
 471                 if ( ( $wgSysopUserBans || 0 == $rc_user ) && $wgUser->isAllowed('block') ) {
 472                         $blockPage =& Title::makeTitle( NS_SPECIAL, 'Blockip' );
 473                         $blockLink = $this->skin->makeKnownLinkObj( $blockPage,
 474                                 $this->message['blocklink'], 'ip='.$rc_user_text );
 475                         if( $wgDisableAnonTalk )
 476                                 $rc->usertalklink = ' ('.$blockLink.')';
 477                         else
 478                                 $rc->usertalklink = ' ('.$userTalkLink.' | '.$blockLink.')';
 479                 } else {
 480                         if( $wgDisableAnonTalk && ($rc_user == 0) )
 481                                 $rc->usertalklink = '';
 482                         else
 483                                 $rc->usertalklink = ' ('.$userTalkLink.')';
 484                 }
 485
 486                 # Put accumulated information into the cache, for later display
 487                 # Page moves go on their own line
 488                 $title = $rc->getTitle();
 489                 $secureName = $title->getPrefixedDBkey();
 490                 if ( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 491                         # Use an @ character to prevent collision with page names
 492                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
 493                 } else {
 494                         if ( !isset ( $this->rc_cache[$secureName] ) ) $this->rc_cache[$secureName] = array() ;
 495                         array_push ( $this->rc_cache[$secureName] , $rc ) ;
 496                 }
 497                 return $ret;
 498         }
 499
 500         /**
 501          * Enhanced RC group
 502          */
 503         function recentChangesBlockGroup ( $block ) {
 504                 global $wgStylePath, $wgContLang ;
 505
 506                 $r = '';
 507
 508                 # Collate list of users
 509                 $isnew = false ;
 510                 $unpatrolled = false;
 511                 $userlinks = array () ;
 512                 foreach ( $block AS $rcObj ) {
 513                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
 514                         $newid = $rcObj->mAttribs['rc_this_oldid'];
 515                         if ( $rcObj->mAttribs['rc_new'] ) {
 516                                 $isnew = true ;
 517                         }
 518                         $u = $rcObj->userlink ;
 519                         if ( !isset ( $userlinks[$u] ) ) {
 520                                 $userlinks[$u] = 0 ;
 521                         }
 522                         if ( $rcObj->unpatrolled ) {
 523                                 $unpatrolled = true;
 524                         }
 525                         $userlinks[$u]++ ;
 526                 }
 527
 528                 # Sort the list and convert to text
 529                 krsort ( $userlinks ) ;
 530                 asort ( $userlinks ) ;
 531                 $users = array () ;
 532                 foreach ( $userlinks as $userlink => $count) {
 533                         $text = $userlink;
 534                         if ( $count > 1 ) $text .= ' ('.$count.'&times;)' ;
 535                         array_push ( $users , $text ) ;
 536                 }
 537
 538                 $users = ' <span class="changedby">['.implode('; ',$users).']</span>';
 539
 540                 # Arrow
 541                 $rci = 'RCI'.$this->rcCacheIndex ;
 542                 $rcl = 'RCL'.$this->rcCacheIndex ;
 543                 $rcm = 'RCM'.$this->rcCacheIndex ;
 544                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')" ;
 545                 $arrowdir = $wgContLang->isRTL() ? 'l' : 'r';
 546                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_'.$arrowdir.'.png" width="12" height="12" alt="+" /></a></span>' ;
 547                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'"><img src="'.$wgStylePath.'/common/images/Arr_d.png" width="12" height="12" alt="-" /></a></span>' ;
 548                 $r .= $tl ;
 549
 550                 # Main line
 551                 $r .= '<tt>' ;
 552                 $r .= $this->recentChangesFlags( $isnew, false, $unpatrolled );
 553
 554                 # Timestamp
 555                 $r .= ' '.$block[0]->timestamp.' ' ;
 556                 $r .= '</tt>' ;
 557
 558                 # Article link
 559                 $link = $block[0]->link ;
 560                 if ( $block[0]->watched ) $link = '<strong>'.$link.'</strong>' ;
 561                 $r .= $link ;
 562
 563                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
 564                 $currentRevision = $block[0]->mAttribs['rc_this_oldid'];
 565                 if ( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
 566                         # Changes
 567                         $r .= ' ('.count($block).' ' ;
 568                         if ( $isnew ) $r .= wfMsg('changes');
 569                         else $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle() , wfMsg('changes') ,
 570                                 $curIdEq."&diff=$currentRevision&oldid=$oldid" ) ;
 571                         $r .= '; ' ;
 572
 573                         # History
 574                         $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(), wfMsg( 'history' ), $curIdEq.'&action=history' );
 575                         $r .= ')' ;
 576                 }
 577
 578                 $r .= $users ;
 579
 580                 if ($block[0]->numberofWatchingusers > 0) {
 581                         $r .= wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($block[0]->numberofWatchingusers));
 582                 }
 583                 $r .= "<br />\n" ;
 584
 585                 # Sub-entries
 586                 $r .= '<div id="'.$rci.'" style="display:none">' ;
 587                 foreach ( $block AS $rcObj ) {
 588                         # Get rc_xxxx variables
 589                         extract( $rcObj->mAttribs );
 590
 591                         $r .= '<img src="'.$wgStylePath.'/common/images/Arr_.png" width="12" height="12" />';
 592                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;' ;
 593                         $r .= $this->recentChangesFlags( $rc_new, $rc_minor, $rcObj->unpatrolled );
 594                         $r .= '&nbsp;</tt>' ;
 595
 596                         $o = '' ;
 597                         if ( $rc_last_oldid != 0 ) {
 598                                 $o = 'oldid='.$rc_last_oldid ;
 599                         }
 600                         if ( $rc_type == RC_LOG ) {
 601                                 $link = $rcObj->timestamp;
 602                         } else {
 603                                 $link = $this->skin->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp , $curIdEq.'&'.$o );
 604                         }
 605                         $link = '<tt>'.$link.'</tt>' ;
 606
 607                         $r .= $link ;
 608                         $r .= ' (' ;
 609                         $r .= $rcObj->curlink ;
 610                         $r .= '; ' ;
 611                         $r .= $rcObj->lastlink ;
 612                         $r .= ') . . '.$rcObj->userlink ;
 613                         $r .= $rcObj->usertalklink ;
 614                         $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
 615                         $r .= "<br />\n" ;
 616                 }
 617                 $r .= "</div>\n" ;
 618
 619                 $this->rcCacheIndex++ ;
 620                 return $r ;
 621         }
 622 }
 623 ?>