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() {
  38                 $this->preCacheMessages();
  39         }
  40
  41         /**
  42          * Fetch an appropriate changes list class for the specified user
  43          * Some users might want to use an enhanced list format, for instance
  44          *
  45          * @param $user User to fetch the list class for
  46          * @return ChangesList derivative
  47          */
  48         function newFromUser( &$user ) {
  49                 $list = NULL;
  50                 if( wfRunHooks( 'FetchChangesList', array( &$user, &$list ) ) ) {
  51                         return $user->getOption( 'usenewrc' ) ? new EnhancedChangesList() : new OldChangesList();
  52                 } else {
  53                         return $list;
  54                 }
  55         }
  56
  57         /**
  58          * As we use the same small set of messages in various methods and that
  59          * they are called often, we call them once and save them in $this->message
  60          */
  61         function preCacheMessages() {
  62                 // Precache various messages
  63                 if( !isset( $this->message ) ) {
  64                         foreach( explode(' ', 'cur diff hist minoreditletter newpageletter last '.
  65                                 'blocklink changes history boteditletter' ) as $msg ) {
  66                                 $this->message[$msg] = wfMsgExt( $msg, array( 'escape') );
  67                         }
  68                 }
  69         }
  70
  71
  72         /**
  73          * Returns the appropriate flags for new page, minor change and patrolling
  74          */
  75         function recentChangesFlags( $new, $minor, $patrolled, $nothing = '&nbsp;', $bot = false ) {
  76                 $f = $new ? '<span class="newpage">' . $this->message['newpageletter'] . '</span>'
  77                                 : $nothing;
  78                 $f .= $minor ? '<span class="minor">' . $this->message['minoreditletter'] . '</span>'
  79                                 : $nothing;
  80                 $f .= $bot ? '<span class="bot">' . $this->message['boteditletter'] . '</span>' : $nothing;
  81                 $f .= $patrolled ? '<span class="unpatrolled">!</span>' : $nothing;
  82                 return $f;
  83         }
  84
  85         /**
  86          * Returns text for the start of the tabular part of RC
  87          */
  88         function beginRecentChangesList() {
  89                 $this->rc_cache = array();
  90                 $this->rcMoveIndex = 0;
  91                 $this->rcCacheIndex = 0;
  92                 $this->lastdate = '';
  93                 $this->rclistOpen = false;
  94                 return '';
  95         }
  96
  97         /**
  98          * Returns text for the end of RC
  99          */
 100         function endRecentChangesList() {
 101                 if( $this->rclistOpen ) {
 102                         return "</ul>\n";
 103                 } else {
 104                         return '';
 105                 }
 106         }
 107
 108
 109         function insertMove( &$s, $rc ) {
 110                 # Diff
 111                 $s .= '(' . $this->message['diff'] . ') (';
 112                 # Hist
 113                 $s .= Linker::makeKnownLinkObj( $rc->getMovedToTitle(), $this->message['hist'], 'action=history' ) .
 114                         ') . . ';
 115
 116                 # "[[x]] moved to [[y]]"
 117                 $msg = ( $rc->mAttribs['rc_type'] == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
 118                 $s .= wfMsg( $msg, Linker::makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 119                         Linker::makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 120         }
 121
 122         function insertDateHeader(&$s, $rc_timestamp) {
 123                 global $wgLang;
 124
 125                 # Make date header if necessary
 126                 $date = $wgLang->date( $rc_timestamp, true, true );
 127                 $s = '';
 128                 if( $date != $this->lastdate ) {
 129                         if( '' != $this->lastdate ) {
 130                                 $s .= "</ul>\n";
 131                         }
 132                         $s .= '<h4>'.$date."</h4>\n<ul class=\"special\">";
 133                         $this->lastdate = $date;
 134                         $this->rclistOpen = true;
 135                 }
 136         }
 137
 138         function insertLog(&$s, $title, $logtype) {
 139                 $logname = LogPage::logName( $logtype );
 140                 $s .= '(' . Linker::makeKnownLinkObj($title, $logname ) . ')';
 141         }
 142
 143
 144         function insertDiffHist(&$s, &$rc, $unpatrolled) {
 145                 # Diff link
 146                 if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
 147                         $diffLink = $this->message['diff'];
 148                 } else {
 149                         $rcidparam = $unpatrolled
 150                                 ? array( 'rcid' => $rc->mAttribs['rc_id'] )
 151                                 : array();
 152                         $diffLink = Linker::makeKnownLinkObj( $rc->getTitle(), $this->message['diff'],
 153                                 wfArrayToCGI( array(
 154                                         'curid' => $rc->mAttribs['rc_cur_id'],
 155                                         'diff'  => $rc->mAttribs['rc_this_oldid'],
 156                                         'oldid' => $rc->mAttribs['rc_last_oldid'] ),
 157                                         $rcidparam ),
 158                                 '', '', ' tabindex="'.$rc->counter.'"');
 159                 }
 160                 $s .= '('.$diffLink.') (';
 161
 162                 # History link
 163                 $s .= Linker::makeKnownLinkObj( $rc->getTitle(), $this->message['hist'],
 164                         wfArrayToCGI( array(
 165                                 'curid' => $rc->mAttribs['rc_cur_id'],
 166                                 'action' => 'history' ) ) );
 167                 $s .= ') . . ';
 168         }
 169
 170         function insertArticleLink(&$s, &$rc, $unpatrolled, $watched) {
 171                 # Article link
 172                 # If it's a new article, there is no diff link, but if it hasn't been
 173                 # patrolled yet, we need to give users a way to do so
 174                 $params = ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW )
 175                         ? 'rcid='.$rc->mAttribs['rc_id']
 176                         : '';
 177                 $articlelink = ' '. Linker::makeKnownLinkObj( $rc->getTitle(), '', $params );
 178                 if($watched) $articlelink = '<strong>'.$articlelink.'</strong>';
 179                 global $wgContLang;
 180                 $articlelink .= $wgContLang->getDirMark();
 181
 182                 $s .= ' '.$articlelink;
 183         }
 184
 185         function insertTimestamp(&$s, &$rc) {
 186                 global $wgLang;
 187                 # Timestamp
 188                 $s .= '; ' . $wgLang->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
 189         }
 190
 191         /** Insert links to user page, user talk page and eventually a blocking link */
 192         function insertUserRelatedLinks(&$s, &$rc) {
 193                 $s .= Linker::userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 194                 $s .= Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 195         }
 196
 197         /** insert a formatted comment */
 198         function insertComment(&$s, &$rc) {
 199                 # Add comment
 200                 if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
 201                         $s .= Linker::commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
 202                 }
 203         }
 204
 205         /**
 206          * Check whether to enable recent changes patrol features
 207          * @return bool
 208          */
 209         function usePatrol() {
 210                 global $wgUseRCPatrol, $wgUser;
 211                 return( $wgUseRCPatrol && $wgUser->isAllowed( 'patrol' ) );
 212         }
 213
 214
 215 }
 216
 217
 218 /**
 219  * Generate a list of changes using the good old system (no javascript)
 220  */
 221 class OldChangesList extends ChangesList {
 222         /**
 223          * Format a line using the old system (aka without any javascript).
 224          */
 225         function recentChangesLine( &$rc, $watched = false ) {
 226                 global $wgContLang;
 227
 228                 $fname = 'ChangesList::recentChangesLineOld';
 229                 wfProfileIn( $fname );
 230
 231
 232                 # Extract DB fields into local scope
 233                 extract( $rc->mAttribs );
 234                 $curIdEq = 'curid=' . $rc_cur_id;
 235
 236                 # Should patrol-related stuff be shown?
 237                 $unpatrolled = $this->usePatrol() && $rc_patrolled == 0;
 238
 239                 $this->insertDateHeader($s,$rc_timestamp);
 240
 241                 $s .= '<li>';
 242
 243                 // moved pages
 244                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 245                         $this->insertMove( $s, $rc );
 246                 // log entries
 247                 } elseif ( $rc_namespace == NS_SPECIAL ) {
 248                         list( $specialName, $specialSubpage ) = SpecialPage::resolveAliasWithSubpage( $rc_title );
 249                         if ( $specialName == 'Log' ) {
 250                                 $this->insertLog( $s, $rc->getTitle(), $specialSubpage );
 251                         } else {
 252                                 wfDebug( "Unexpected special page in recentchanges\n" );
 253                         }
 254                 // all other stuff
 255                 } else {
 256                         wfProfileIn($fname.'-page');
 257
 258                         $this->insertDiffHist($s, $rc, $unpatrolled);
 259
 260                         # M, N, b and ! (minor, new, bot and unpatrolled)
 261                         $s .= ' ' . $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $unpatrolled, '', $rc_bot );
 262                         $this->insertArticleLink($s, $rc, $unpatrolled, $watched);
 263
 264                         wfProfileOut($fname.'-page');
 265                 }
 266
 267                 wfProfileIn( $fname.'-rest' );
 268
 269                 $this->insertTimestamp($s,$rc);
 270                 $this->insertUserRelatedLinks($s,$rc);
 271                 $this->insertComment($s, $rc);
 272
 273                 if($rc->numberofWatchingusers > 0) {
 274                         $s .= ' ' . wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($rc->numberofWatchingusers));
 275                 }
 276
 277                 $s .= "</li>\n";
 278
 279                 wfProfileOut( $fname.'-rest' );
 280
 281                 wfProfileOut( $fname );
 282                 return $s;
 283         }
 284 }
 285
 286
 287 /**
 288  * Generate a list of changes using an Enhanced system (use javascript).
 289  */
 290 class EnhancedChangesList extends ChangesList {
 291         /**
 292          * Format a line for enhanced recentchange (aka with javascript and block of lines).
 293          */
 294         function recentChangesLine( &$baseRC, $watched = false ) {
 295                 global $wgLang, $wgContLang;
 296
 297                 # Create a specialised object
 298                 $rc = RCCacheEntry::newFromParent( $baseRC );
 299
 300                 # Extract fields from DB into the function scope (rc_xxxx variables)
 301                 extract( $rc->mAttribs );
 302                 $curIdEq = 'curid=' . $rc_cur_id;
 303
 304                 # If it's a new day, add the headline and flush the cache
 305                 $date = $wgLang->date( $rc_timestamp, true);
 306                 $ret = '';
 307                 if( $date != $this->lastdate ) {
 308                         # Process current cache
 309                         $ret = $this->recentChangesBlock();
 310                         $this->rc_cache = array();
 311                         $ret .= "<h4>{$date}</h4>\n";
 312                         $this->lastdate = $date;
 313                 }
 314
 315                 # Should patrol-related stuff be shown?
 316                 if( $this->usePatrol() ) {
 317                         $rc->unpatrolled = !$rc_patrolled;
 318                 } else {
 319                         $rc->unpatrolled = false;
 320                 }
 321
 322                 # Make article link
 323                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 324                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
 325                         $clink = wfMsg( $msg, Linker::makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 326                           Linker::makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 327                 } elseif( $rc_namespace == NS_SPECIAL ) {
 328                         list( $specialName, $logtype ) = SpecialPage::resolveAliasWithSubpage( $rc_title );
 329                         if ( $specialName == 'Log' ) {
 330                                 # Log updates, etc
 331                                 $logname = LogPage::logName( $logtype );
 332                                 $clink = '(' . Linker::makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
 333                         } else {
 334                                 wfDebug( "Unexpected special page in recentchanges\n" );
 335                                 $clink = '';
 336                         }
 337                 } elseif( $rc->unpatrolled && $rc_type == RC_NEW ) {
 338                         # Unpatrolled new page, give rc_id in query
 339                         $clink = Linker::makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
 340                 } else {
 341                         $clink = Linker::makeKnownLinkObj( $rc->getTitle(), '' );
 342                 }
 343
 344                 $time = $wgContLang->time( $rc_timestamp, true, true );
 345                 $rc->watched = $watched;
 346                 $rc->link = $clink;
 347                 $rc->timestamp = $time;
 348                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
 349
 350                 # Make "cur" and "diff" links
 351                 if( $rc->unpatrolled ) {
 352                         $rcIdQuery = "&rcid={$rc_id}";
 353                 } else {
 354                         $rcIdQuery = '';
 355                 }
 356                 $querycur = $curIdEq."&diff=0&oldid=$rc_this_oldid";
 357                 $querydiff = $curIdEq."&diff=$rc_this_oldid&oldid=$rc_last_oldid$rcIdQuery";
 358                 $aprops = ' tabindex="'.$baseRC->counter.'"';
 359                 $curLink = Linker::makeKnownLinkObj( $rc->getTitle(), $this->message['cur'], $querycur, '' ,'', $aprops );
 360                 if( $rc_type == RC_NEW || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 361                         if( $rc_type != RC_NEW ) {
 362                                 $curLink = $this->message['cur'];
 363                         }
 364                         $diffLink = $this->message['diff'];
 365                 } else {
 366                         $diffLink = Linker::makeKnownLinkObj( $rc->getTitle(), $this->message['diff'], $querydiff, '' ,'', $aprops );
 367                 }
 368
 369                 # Make "last" link
 370                 if( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 371                         $lastLink = $this->message['last'];
 372                 } else {
 373                         $lastLink = Linker::makeKnownLinkObj( $rc->getTitle(), $this->message['last'],
 374                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
 375                 }
 376
 377                 $rc->userlink = Linker::userLink( $rc_user, $rc_user_text );
 378
 379                 $rc->lastlink = $lastLink;
 380                 $rc->curlink  = $curLink;
 381                 $rc->difflink = $diffLink;
 382
 383                 $rc->usertalklink = Linker::userToolLinks( $rc_user, $rc_user_text );
 384
 385                 # Put accumulated information into the cache, for later display
 386                 # Page moves go on their own line
 387                 $title = $rc->getTitle();
 388                 $secureName = $title->getPrefixedDBkey();
 389                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 390                         # Use an @ character to prevent collision with page names
 391                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
 392                 } else {
 393                         if( !isset ( $this->rc_cache[$secureName] ) ) {
 394                                 $this->rc_cache[$secureName] = array();
 395                         }
 396                         array_push( $this->rc_cache[$secureName], $rc );
 397                 }
 398                 return $ret;
 399         }
 400
 401         /**
 402          * Enhanced RC group
 403          */
 404         function recentChangesBlockGroup( $block ) {
 405                 global $wgContLang;
 406                 $r = '';
 407
 408                 # Collate list of users
 409                 $isnew = false;
 410                 $unpatrolled = false;
 411                 $userlinks = array();
 412                 foreach( $block as $rcObj ) {
 413                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
 414                         $newid = $rcObj->mAttribs['rc_this_oldid'];
 415                         if( $rcObj->mAttribs['rc_new'] ) {
 416                                 $isnew = true;
 417                         }
 418                         $u = $rcObj->userlink;
 419                         if( !isset( $userlinks[$u] ) ) {
 420                                 $userlinks[$u] = 0;
 421                         }
 422                         if( $rcObj->unpatrolled ) {
 423                                 $unpatrolled = true;
 424                         }
 425                         $bot = $rcObj->mAttribs['rc_bot'];
 426                         $userlinks[$u]++;
 427                 }
 428
 429                 # Sort the list and convert to text
 430                 krsort( $userlinks );
 431                 asort( $userlinks );
 432                 $users = array();
 433                 foreach( $userlinks as $userlink => $count) {
 434                         $text = $userlink;
 435                         $text .= $wgContLang->getDirMark();
 436                         if( $count > 1 ) {
 437                                 $text .= ' ('.$count.'&times;)';
 438                         }
 439                         array_push( $users, $text );
 440                 }
 441
 442                 $users = ' <span class="changedby">['.implode('; ',$users).']</span>';
 443
 444                 # Arrow
 445                 $rci = 'RCI'.$this->rcCacheIndex;
 446                 $rcl = 'RCL'.$this->rcCacheIndex;
 447                 $rcm = 'RCM'.$this->rcCacheIndex;
 448                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')";
 449                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'">' . $this->sideArrow() . '</a></span>';
 450                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'">' . $this->downArrow() . '</a></span>';
 451                 $r .= $tl;
 452
 453                 # Main line
 454                 $r .= '<tt>';
 455                 $r .= $this->recentChangesFlags( $isnew, false, $unpatrolled, '&nbsp;', $bot );
 456
 457                 # Timestamp
 458                 $r .= ' '.$block[0]->timestamp.' ';
 459                 $r .= '</tt>';
 460
 461                 # Article link
 462                 $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
 463                 $r .= $wgContLang->getDirMark();
 464
 465                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
 466                 $currentRevision = $block[0]->mAttribs['rc_this_oldid'];
 467                 if( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
 468                         # Changes
 469                         $r .= ' ('.count($block).' ';
 470                         if( $isnew ) {
 471                                 $r .= $this->message['changes'];
 472                         } else {
 473                                 $r .= Linker::makeKnownLinkObj( $block[0]->getTitle(),
 474                                         $this->message['changes'], $curIdEq."&diff=$currentRevision&oldid=$oldid" );
 475                         }
 476                         $r .= '; ';
 477
 478                         # History
 479                         $r .= Linker::makeKnownLinkObj( $block[0]->getTitle(),
 480                                 $this->message['history'], $curIdEq.'&action=history' );
 481                         $r .= ')';
 482                 }
 483
 484                 $r .= $users;
 485
 486                 if($block[0]->numberofWatchingusers > 0) {
 487                         global $wgContLang;
 488                         $r .= wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($block[0]->numberofWatchingusers));
 489                 }
 490                 $r .= "<br />\n";
 491
 492                 # Sub-entries
 493                 $r .= '<div id="'.$rci.'" style="display:none">';
 494                 foreach( $block as $rcObj ) {
 495                         # Get rc_xxxx variables
 496                         extract( $rcObj->mAttribs );
 497
 498                         $r .= $this->spacerArrow();
 499                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;';
 500                         $r .= $this->recentChangesFlags( $rc_new, $rc_minor, $rcObj->unpatrolled, '&nbsp;', $rc_bot );
 501                         $r .= '&nbsp;</tt>';
 502
 503                         $o = '';
 504                         if( $rc_this_oldid != 0 ) {
 505                                 $o = 'oldid='.$rc_this_oldid;
 506                         }
 507                         if( $rc_type == RC_LOG ) {
 508                                 $link = $rcObj->timestamp;
 509                         } else {
 510                                 $link = Linker::makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp, $curIdEq.'&'.$o );
 511                         }
 512                         $link = '<tt>'.$link.'</tt>';
 513
 514                         $r .= $link;
 515                         $r .= ' (';
 516                         $r .= $rcObj->curlink;
 517                         $r .= '; ';
 518                         $r .= $rcObj->lastlink;
 519                         $r .= ') . . '.$rcObj->userlink;
 520                         $r .= $rcObj->usertalklink;
 521                         $r .= Linker::commentBlock( $rc_comment, $rcObj->getTitle() );
 522                         $r .= "<br />\n";
 523                 }
 524                 $r .= "</div>\n";
 525
 526                 $this->rcCacheIndex++;
 527                 return $r;
 528         }
 529
 530         function maybeWatchedLink( $link, $watched=false ) {
 531                 if( $watched ) {
 532                         // FIXME: css style might be more appropriate
 533                         return '<strong>' . $link . '</strong>';
 534                 } else {
 535                         return $link;
 536                 }
 537         }
 538
 539         /**
 540          * Generate HTML for an arrow or placeholder graphic
 541          * @param string $dir one of '', 'd', 'l', 'r'
 542          * @param string $alt text
 543          * @return string HTML <img> tag
 544          * @access private
 545          */
 546         function arrow( $dir, $alt='' ) {
 547                 global $wgStylePath;
 548                 $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
 549                 $encAlt = htmlspecialchars( $alt );
 550                 return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" />";
 551         }
 552
 553         /**
 554          * Generate HTML for a right- or left-facing arrow,
 555          * depending on language direction.
 556          * @return string HTML <img> tag
 557          * @access private
 558          */
 559         function sideArrow() {
 560                 global $wgContLang;
 561                 $dir = $wgContLang->isRTL() ? 'l' : 'r';
 562                 return $this->arrow( $dir, '+' );
 563         }
 564
 565         /**
 566          * Generate HTML for a down-facing arrow
 567          * depending on language direction.
 568          * @return string HTML <img> tag
 569          * @access private
 570          */
 571         function downArrow() {
 572                 return $this->arrow( 'd', '-' );
 573         }
 574
 575         /**
 576          * Generate HTML for a spacer image
 577          * @return string HTML <img> tag
 578          * @access private
 579          */
 580         function spacerArrow() {
 581                 return $this->arrow( '', ' ' );
 582         }
 583
 584         /**
 585          * Enhanced RC ungrouped line.
 586          * @return string a HTML formated line (generated using $r)
 587          */
 588         function recentChangesBlockLine( $rcObj ) {
 589                 global $wgContLang;
 590
 591                 # Get rc_xxxx variables
 592                 extract( $rcObj->mAttribs );
 593                 $curIdEq = 'curid='.$rc_cur_id;
 594
 595                 $r = '';
 596
 597                 # Spacer image
 598                 $r .= $this->spacerArrow();
 599
 600                 # Flag and Timestamp
 601                 $r .= '<tt>';
 602
 603                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 604                         $r .= '&nbsp;&nbsp;&nbsp;';
 605                 } else {
 606                         $r .= $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $rcObj->unpatrolled, '&nbsp;', $rc_bot );
 607                 }
 608                 $r .= ' '.$rcObj->timestamp.' </tt>';
 609
 610                 # Article link
 611                 $r .= $this->maybeWatchedLink( $rcObj->link, $rcObj->watched );
 612
 613                 # Diff
 614                 $r .= ' ('. $rcObj->difflink .'; ';
 615
 616                 # Hist
 617                 $r .= Linker::makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
 618
 619                 # User/talk
 620                 $r .= ') . . '.$rcObj->userlink . $rcObj->usertalklink;
 621
 622                 # Comment
 623                 if( $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
 624                         $r .= Linker::commentBlock( $rc_comment, $rcObj->getTitle() );
 625                 }
 626
 627                 if( $rcObj->numberofWatchingusers > 0 ) {
 628                         $r .= wfMsg('number_of_watching_users_RCview', $wgContLang->formatNum($rcObj->numberofWatchingusers));
 629                 }
 630
 631                 $r .= "<br />\n";
 632                 return $r;
 633         }
 634
 635         /**
 636          * If enhanced RC is in use, this function takes the previously cached
 637          * RC lines, arranges them, and outputs the HTML
 638          */
 639         function recentChangesBlock() {
 640                 if( count ( $this->rc_cache ) == 0 ) {
 641                         return '';
 642                 }
 643                 $blockOut = '';
 644                 foreach( $this->rc_cache as $secureName => $block ) {
 645                         if( count( $block ) < 2 ) {
 646                                 $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
 647                         } else {
 648                                 $blockOut .= $this->recentChangesBlockGroup( $block );
 649                         }
 650                 }
 651
 652                 return '<div>'.$blockOut.'</div>';
 653         }
 654
 655         /**
 656          * Returns text for the end of RC
 657          * If enhanced RC is in use, returns pretty much all the text
 658          */
 659         function endRecentChangesList() {
 660                 return $this->recentChangesBlock() . parent::endRecentChangesList();
 661         }
 662
 663 }
 664 ?>