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  * @todo document
  12  * @package MediaWiki
  13  */
  14 class RCCacheEntry extends RecentChange
  15 {
  16         var $secureName, $link;
  17         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  18         var $userlink, $timestamp, $watched;
  19
  20         function newFromParent( $rc )
  21         {
  22                 $rc2 = new RCCacheEntry;
  23                 $rc2->mAttribs = $rc->mAttribs;
  24                 $rc2->mExtra = $rc->mExtra;
  25                 return $rc2;
  26         }
  27 } ;
  28
  29 /**
  30  * @package MediaWiki
  31  */
  32 class ChangesList {
  33         # Called by history lists and recent changes
  34         #
  35
  36         /** @todo document */
  37         function ChangesList( &$skin ) {
  38                 $this->skin =& $skin;
  39                 $this->preCacheMessages();
  40         }
  41
  42         function newFromUser( &$user ) {
  43                 $sk =& $user->getSkin();
  44                 if( $user->getOption('usenewrc') ) {
  45                         return new EnhancedChangesList( $sk );
  46                 } else {
  47                         return new OldChangesList( $sk );
  48                 }
  49         }
  50
  51         /**
  52          * As we use the same small set of messages in various methods and that
  53          * they are called often, we call them once and save them in $this->message
  54          */
  55         function preCacheMessages() {
  56                 // Precache various messages
  57                 if( !isset( $this->message ) ) {
  58                         foreach( explode(' ', 'cur diff hist minoreditletter newpageletter last '.
  59                                 'blocklink changes history' ) as $msg ) {
  60                                 $this->message[$msg] = wfMsgExt( $msg, array( 'escape') );
  61                         }
  62                 }
  63         }
  64
  65
  66         /**
  67          * Returns the appropiate flags for new page, minor change and patrolling
  68          */
  69         function recentChangesFlags( $new, $minor, $patrolled, $nothing = '&nbsp;' ) {
  70                 $f = $new ? '<span class="newpage">' . $this->message['newpageletter'] . '</span>'
  71                                 : $nothing;
  72                 $f .= $minor ? '<span class="minor">' . $this->message['minoreditletter'] . '</span>'
  73                                 : $nothing;
  74                 $f .= $patrolled ? '<span class="unpatrolled">!</span>' : $nothing;
  75                 return $f;
  76         }
  77
  78         /**
  79          * Returns text for the start of the tabular part of RC
  80          */
  81         function beginRecentChangesList() {
  82                 $this->rc_cache = array();
  83                 $this->rcMoveIndex = 0;
  84                 $this->rcCacheIndex = 0;
  85                 $this->lastdate = '';
  86                 $this->rclistOpen = false;
  87                 return '';
  88         }
  89
  90         /**
  91          * Returns text for the end of RC
  92          */
  93         function endRecentChangesList() {
  94                 if( $this->rclistOpen ) {
  95                         return "</ul>\n";
  96                 } else {
  97                         return '';
  98                 }
  99         }
 100
 101
 102         function insertMove( &$s, $rc ) {
 103                 # Diff
 104                 $s .= '(' . $this->message['diff'] . ') (';
 105                 # Hist
 106                 $s .= $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), $this->message['hist'], 'action=history' ) .
 107                         ') . . ';
 108
 109                 # "[[x]] moved to [[y]]"
 110                 $msg = ( $rc->mAttribs['rc_type'] == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
 111                 $s .= wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 112                         $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 113         }
 114
 115         function insertDateHeader(&$s, $rc_timestamp) {
 116                 global $wgLang;
 117
 118                 # Make date header if necessary
 119                 $date = $wgLang->date( $rc_timestamp, true, true );
 120                 $s = '';
 121                 if( $date != $this->lastdate ) {
 122                         if( '' != $this->lastdate ) {
 123                                 $s .= "</ul>\n";
 124                         }
 125                         $s .= '<h4>'.$date."</h4>\n<ul class=\"special\">";
 126                         $this->lastdate = $date;
 127                         $this->rclistOpen = true;
 128                 }
 129         }
 130
 131         function insertLog(&$s, $title, $logtype) {
 132                 $logname = LogPage::logName( $logtype );
 133                 $s .= '(' . $this->skin->makeKnownLinkObj($title, $logname ) . ')';
 134         }
 135
 136
 137         function insertDiffHist(&$s, &$rc, $unpatrolled) {
 138                 # Diff link
 139                 if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
 140                         $diffLink = $this->message['diff'];
 141                 } else {
 142                         $rcidparam = $unpatrolled
 143                                 ? array( 'rcid' => $rc->mAttribs['rc_id'] )
 144                                 : array();
 145                         $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'],
 146                                 wfArrayToCGI( array(
 147                                         'curid' => $rc->mAttribs['rc_cur_id'],
 148                                         'diff'  => $rc->mAttribs['rc_this_oldid'],
 149                                         'oldid' => $rc->mAttribs['rc_last_oldid'] ),
 150                                         $rcidparam ),
 151                                 '', '', ' tabindex="'.$rc->counter.'"');
 152                 }
 153                 $s .= '('.$diffLink.') (';
 154
 155                 # History link
 156                 $s .= $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['hist'],
 157                         wfArrayToCGI( array(
 158                                 'curid' => $rc->mAttribs['rc_cur_id'],
 159                                 'action' => 'history' ) ) );
 160                 $s .= ') . . ';
 161         }
 162
 163         function insertArticleLink(&$s, &$rc, $unpatrolled, $watched) {
 164                 # Article link
 165                 # If it's a new article, there is no diff link, but if it hasn't been
 166                 # patrolled yet, we need to give users a way to do so
 167                 $params = ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW )
 168                         ? 'rcid='.$rc->mAttribs['rc_id']
 169                         : '';
 170                 $articlelink = ' '. $this->skin->makeKnownLinkObj( $rc->getTitle(), '', $params );
 171                 if($watched) $articlelink = '<strong>'.$articlelink.'</strong>';
 172
 173                 $s .= ' '.$articlelink;
 174         }
 175
 176         function insertTimestamp(&$s, &$rc) {
 177                 global $wgLang;
 178                 # Timestamp
 179                 $s .= '; ' . $wgLang->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
 180         }
 181
 182         /** Insert links to user page, user talk page and eventually a blocking link */
 183         function insertUserRelatedLinks(&$s, &$rc) {
 184                 $s .= $this->skin->userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 185                 $s .= $this->skin->userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 186         }
 187
 188         /** insert a formatted comment */
 189         function insertComment(&$s, &$rc) {
 190                 # Add comment
 191                 if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
 192                         $s .= $this->skin->commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
 193                 }
 194         }
 195
 196         /**
 197          * Check whether to enable recent changes patrol features
 198          * @return bool
 199          */
 200         function usePatrol() {
 201                 global $wgUseRCPatrol, $wgUser;
 202                 return( $wgUseRCPatrol && $wgUser->isAllowed( 'patrol' ) );
 203         }
 204
 205
 206 }
 207
 208
 209 /**
 210  * Generate a list of changes using the good old system (no javascript)
 211  */
 212 class OldChangesList extends ChangesList {
 213         /**
 214          * Format a line using the old system (aka without any javascript).
 215          */
 216         function recentChangesLine( &$rc, $watched = false ) {
 217                 global $wgContLang;
 218
 219                 $fname = 'ChangesList::recentChangesLineOld';
 220                 wfProfileIn( $fname );
 221
 222
 223                 # Extract DB fields into local scope
 224                 extract( $rc->mAttribs );
 225                 $curIdEq = 'curid=' . $rc_cur_id;
 226
 227                 # Should patrol-related stuff be shown?
 228                 $unpatrolled = $this->usePatrol() && $rc_patrolled == 0;
 229
 230                 $this->insertDateHeader($s,$rc_timestamp);
 231
 232                 $s .= '<li>';
 233
 234                 // moved pages
 235                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 236                         $this->insertMove( $s, $rc );
 237                 // log entries
 238                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
 239                         $this->insertLog($s, $rc->getTitle(), $matches[1]);
 240                 // all other stuff
 241                 } else {
 242                         wfProfileIn($fname.'-page');
 243
 244                         $this->insertDiffHist($s, $rc, $unpatrolled);
 245
 246                         # M, N and ! (minor, new and unpatrolled)
 247                         $s .= ' ' . $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $unpatrolled, '' );
 248                         $this->insertArticleLink($s, $rc, $unpatrolled, $watched);
 249
 250                         wfProfileOut($fname.'-page');
 251                 }
 252
 253                 wfProfileIn( $fname.'-rest' );
 254
 255                 $this->insertTimestamp($s,$rc);
 256                 $this->insertUserRelatedLinks($s,$rc);
 257                 $this->insertComment($s, $rc);
 258
 259                 if($rc->numberofWatchingusers > 0) {
 260                         $s .= ' ' . wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($rc->numberofWatchingusers));
 261                 }
 262
 263                 $s .= "</li>\n";
 264
 265                 wfProfileOut( $fname.'-rest' );
 266
 267                 wfProfileOut( $fname );
 268                 return $s;
 269         }
 270 }
 271
 272
 273 /**
 274  * Generate a list of changes using an Enhanced system (use javascript).
 275  */
 276 class EnhancedChangesList extends ChangesList {
 277         /**
 278          * Format a line for enhanced recentchange (aka with javascript and block of lines).
 279          */
 280         function recentChangesLine( &$baseRC, $watched = false ) {
 281                 global $wgLang, $wgContLang;
 282
 283                 # Create a specialised object
 284                 $rc = RCCacheEntry::newFromParent( $baseRC );
 285
 286                 # Extract fields from DB into the function scope (rc_xxxx variables)
 287                 extract( $rc->mAttribs );
 288                 $curIdEq = 'curid=' . $rc_cur_id;
 289
 290                 # If it's a new day, add the headline and flush the cache
 291                 $date = $wgLang->date( $rc_timestamp, true);
 292                 $ret = '';
 293                 if( $date != $this->lastdate ) {
 294                         # Process current cache
 295                         $ret = $this->recentChangesBlock();
 296                         $this->rc_cache = array();
 297                         $ret .= "<h4>{$date}</h4>\n";
 298                         $this->lastdate = $date;
 299                 }
 300
 301                 # Should patrol-related stuff be shown?
 302                 if( $this->usePatrol() ) {
 303                         $rc->unpatrolled = !$rc_patrolled;
 304                 } else {
 305                         $rc->unpatrolled = false;
 306                 }
 307
 308                 # Make article link
 309                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 310                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
 311                         $clink = wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 312                           $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 313                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
 314                         # Log updates, etc
 315                         $logtype = $matches[1];
 316                         $logname = LogPage::logName( $logtype );
 317                         $clink = '(' . $this->skin->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
 318                 } elseif( $rc->unpatrolled && $rc_type == RC_NEW ) {
 319                         # Unpatrolled new page, give rc_id in query
 320                         $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
 321                 } else {
 322                         $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '' );
 323                 }
 324
 325                 $time = $wgContLang->time( $rc_timestamp, true, true );
 326                 $rc->watched = $watched;
 327                 $rc->link = $clink;
 328                 $rc->timestamp = $time;
 329                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
 330
 331                 # Make "cur" and "diff" links
 332                 if( $rc->unpatrolled ) {
 333                         $rcIdQuery = "&rcid={$rc_id}";
 334                 } else {
 335                         $rcIdQuery = '';
 336                 }
 337                 $querycur = $curIdEq."&diff=0&oldid=$rc_this_oldid";
 338                 $querydiff = $curIdEq."&diff=$rc_this_oldid&oldid=$rc_last_oldid$rcIdQuery";
 339                 $aprops = ' tabindex="'.$baseRC->counter.'"';
 340                 $curLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['cur'], $querycur, '' ,'', $aprops );
 341                 if( $rc_type == RC_NEW || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 342                         if( $rc_type != RC_NEW ) {
 343                                 $curLink = $this->message['cur'];
 344                         }
 345                         $diffLink = $this->message['diff'];
 346                 } else {
 347                         $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'], $querydiff, '' ,'', $aprops );
 348                 }
 349
 350                 # Make "last" link
 351                 if( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 352                         $lastLink = $this->message['last'];
 353                 } else {
 354                         $lastLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['last'],
 355                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
 356                 }
 357
 358                 $rc->userlink = $this->skin->userLink( $rc_user, $rc_user_text );
 359
 360                 $rc->lastlink = $lastLink;
 361                 $rc->curlink  = $curLink;
 362                 $rc->difflink = $diffLink;
 363
 364                 $rc->usertalklink = $this->skin->userToolLinks( $rc_user, $rc_user_text );
 365
 366                 # Put accumulated information into the cache, for later display
 367                 # Page moves go on their own line
 368                 $title = $rc->getTitle();
 369                 $secureName = $title->getPrefixedDBkey();
 370                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 371                         # Use an @ character to prevent collision with page names
 372                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
 373                 } else {
 374                         if( !isset ( $this->rc_cache[$secureName] ) ) {
 375                                 $this->rc_cache[$secureName] = array();
 376                         }
 377                         array_push( $this->rc_cache[$secureName], $rc );
 378                 }
 379                 return $ret;
 380         }
 381
 382         /**
 383          * Enhanced RC group
 384          */
 385         function recentChangesBlockGroup( $block ) {
 386                 $r = '';
 387
 388                 # Collate list of users
 389                 $isnew = false;
 390                 $unpatrolled = false;
 391                 $userlinks = array();
 392                 foreach( $block as $rcObj ) {
 393                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
 394                         $newid = $rcObj->mAttribs['rc_this_oldid'];
 395                         if( $rcObj->mAttribs['rc_new'] ) {
 396                                 $isnew = true;
 397                         }
 398                         $u = $rcObj->userlink;
 399                         if( !isset( $userlinks[$u] ) ) {
 400                                 $userlinks[$u] = 0;
 401                         }
 402                         if( $rcObj->unpatrolled ) {
 403                                 $unpatrolled = true;
 404                         }
 405                         $userlinks[$u]++;
 406                 }
 407
 408                 # Sort the list and convert to text
 409                 krsort( $userlinks );
 410                 asort( $userlinks );
 411                 $users = array();
 412                 foreach( $userlinks as $userlink => $count) {
 413                         $text = $userlink;
 414                         if( $count > 1 ) {
 415                                 $text .= ' ('.$count.'&times;)';
 416                         }
 417                         array_push( $users, $text );
 418                 }
 419
 420                 $users = ' <span class="changedby">['.implode('; ',$users).']</span>';
 421
 422                 # Arrow
 423                 $rci = 'RCI'.$this->rcCacheIndex;
 424                 $rcl = 'RCL'.$this->rcCacheIndex;
 425                 $rcm = 'RCM'.$this->rcCacheIndex;
 426                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')";
 427                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'">' . $this->sideArrow() . '</a></span>';
 428                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'">' . $this->downArrow() . '</a></span>';
 429                 $r .= $tl;
 430
 431                 # Main line
 432                 $r .= '<tt>';
 433                 $r .= $this->recentChangesFlags( $isnew, false, $unpatrolled );
 434
 435                 # Timestamp
 436                 $r .= ' '.$block[0]->timestamp.' ';
 437                 $r .= '</tt>';
 438
 439                 # Article link
 440                 $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
 441
 442                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
 443                 $currentRevision = $block[0]->mAttribs['rc_this_oldid'];
 444                 if( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
 445                         # Changes
 446                         $r .= ' ('.count($block).' ';
 447                         if( $isnew ) {
 448                                 $r .= $this->message['changes'];
 449                         } else {
 450                                 $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
 451                                         $this->message['changes'], $curIdEq."&diff=$currentRevision&oldid=$oldid" );
 452                         }
 453                         $r .= '; ';
 454
 455                         # History
 456                         $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
 457                                 $this->message['history'], $curIdEq.'&action=history' );
 458                         $r .= ')';
 459                 }
 460
 461                 $r .= $users;
 462
 463                 if($block[0]->numberofWatchingusers > 0) {
 464                         global $wgContLang;
 465                         $r .= wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($block[0]->numberofWatchingusers));
 466                 }
 467                 $r .= "<br />\n";
 468
 469                 # Sub-entries
 470                 $r .= '<div id="'.$rci.'" style="display:none">';
 471                 foreach( $block as $rcObj ) {
 472                         # Get rc_xxxx variables
 473                         extract( $rcObj->mAttribs );
 474
 475                         $r .= $this->spacerArrow();
 476                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;';
 477                         $r .= $this->recentChangesFlags( $rc_new, $rc_minor, $rcObj->unpatrolled );
 478                         $r .= '&nbsp;</tt>';
 479
 480                         $o = '';
 481                         if( $rc_this_oldid != 0 ) {
 482                                 $o = 'oldid='.$rc_this_oldid;
 483                         }
 484                         if( $rc_type == RC_LOG ) {
 485                                 $link = $rcObj->timestamp;
 486                         } else {
 487                                 $link = $this->skin->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp, $curIdEq.'&'.$o );
 488                         }
 489                         $link = '<tt>'.$link.'</tt>';
 490
 491                         $r .= $link;
 492                         $r .= ' (';
 493                         $r .= $rcObj->curlink;
 494                         $r .= '; ';
 495                         $r .= $rcObj->lastlink;
 496                         $r .= ') . . '.$rcObj->userlink;
 497                         $r .= $rcObj->usertalklink;
 498                         $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
 499                         $r .= "<br />\n";
 500                 }
 501                 $r .= "</div>\n";
 502
 503                 $this->rcCacheIndex++;
 504                 return $r;
 505         }
 506
 507         function maybeWatchedLink( $link, $watched=false ) {
 508                 if( $watched ) {
 509                         // FIXME: css style might be more appropriate
 510                         return '<strong>' . $link . '</strong>';
 511                 } else {
 512                         return $link;
 513                 }
 514         }
 515
 516         /**
 517          * Generate HTML for an arrow or placeholder graphic
 518          * @param string $dir one of '', 'd', 'l', 'r'
 519          * @param string $alt text
 520          * @return string HTML <img> tag
 521          * @access private
 522          */
 523         function arrow( $dir, $alt='' ) {
 524                 global $wgStylePath;
 525                 $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
 526                 $encAlt = htmlspecialchars( $alt );
 527                 return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" />";
 528         }
 529
 530         /**
 531          * Generate HTML for a right- or left-facing arrow,
 532          * depending on language direction.
 533          * @return string HTML <img> tag
 534          * @access private
 535          */
 536         function sideArrow() {
 537                 global $wgContLang;
 538                 $dir = $wgContLang->isRTL() ? 'l' : 'r';
 539                 return $this->arrow( $dir, '+' );
 540         }
 541
 542         /**
 543          * Generate HTML for a down-facing arrow
 544          * depending on language direction.
 545          * @return string HTML <img> tag
 546          * @access private
 547          */
 548         function downArrow() {
 549                 return $this->arrow( 'd', '-' );
 550         }
 551
 552         /**
 553          * Generate HTML for a spacer image
 554          * @return string HTML <img> tag
 555          * @access private
 556          */
 557         function spacerArrow() {
 558                 return $this->arrow( '', ' ' );
 559         }
 560
 561         /**
 562          * Enhanced RC ungrouped line.
 563          * @return string a HTML formated line (generated using $r)
 564          */
 565         function recentChangesBlockLine( $rcObj ) {
 566                 global $wgContLang;
 567
 568                 # Get rc_xxxx variables
 569                 extract( $rcObj->mAttribs );
 570                 $curIdEq = 'curid='.$rc_cur_id;
 571
 572                 $r = '';
 573
 574                 # Spacer image
 575                 $r .= $this->spacerArrow();
 576
 577                 # Flag and Timestamp
 578                 $r .= '<tt>';
 579
 580                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 581                         $r .= '&nbsp;&nbsp;&nbsp;';
 582                 } else {
 583                         $r .= $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $rcObj->unpatrolled );
 584                 }
 585                 $r .= ' '.$rcObj->timestamp.' </tt>';
 586
 587                 # Article link
 588                 $r .= $this->maybeWatchedLink( $rcObj->link, $rcObj->watched );
 589
 590                 # Diff
 591                 $r .= ' ('. $rcObj->difflink .'; ';
 592
 593                 # Hist
 594                 $r .= $this->skin->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
 595
 596                 # User/talk
 597                 $r .= ') . . '.$rcObj->userlink . $rcObj->usertalklink;
 598
 599                 # Comment
 600                 if( $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
 601                         $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
 602                 }
 603
 604                 if( $rcObj->numberofWatchingusers > 0 ) {
 605                         $r .= wfMsg('number_of_watching_users_RCview', $wgContLang->formatNum($rcObj->numberofWatchingusers));
 606                 }
 607
 608                 $r .= "<br />\n";
 609                 return $r;
 610         }
 611
 612         /**
 613          * If enhanced RC is in use, this function takes the previously cached
 614          * RC lines, arranges them, and outputs the HTML
 615          */
 616         function recentChangesBlock() {
 617                 if( count ( $this->rc_cache ) == 0 ) {
 618                         return '';
 619                 }
 620                 $blockOut = '';
 621                 foreach( $this->rc_cache as $secureName => $block ) {
 622                         if( count( $block ) < 2 ) {
 623                                 $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
 624                         } else {
 625                                 $blockOut .= $this->recentChangesBlockGroup( $block );
 626                         }
 627                 }
 628
 629                 return '<div>'.$blockOut.'</div>';
 630         }
 631
 632         /**
 633          * Returns text for the end of RC
 634          * If enhanced RC is in use, returns pretty much all the text
 635          */
 636         function endRecentChangesList() {
 637                 return $this->recentChangesBlock() . parent::endRecentChangesList();
 638         }
 639
 640 }
 641 ?>