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 require_once("RecentChange.php");
  11 /**
  12  * @todo document
  13  * @package MediaWiki
  14  */
  15 class RCCacheEntry extends RecentChange
  16 {
  17         var $secureName, $link;
  18         var $curlink , $difflink, $lastlink , $usertalklink , $versionlink ;
  19         var $userlink, $timestamp, $watched;
  20
  21         function newFromParent( $rc )
  22         {
  23                 $rc2 = new RCCacheEntry;
  24                 $rc2->mAttribs = $rc->mAttribs;
  25                 $rc2->mExtra = $rc->mExtra;
  26                 return $rc2;
  27         }
  28 } ;
  29
  30 /**
  31  * @package MediaWiki
  32  */
  33 class ChangesList {
  34         # Called by history lists and recent changes
  35         #
  36
  37         /** @todo document */
  38         function ChangesList( &$skin ) {
  39                 $this->skin =& $skin;
  40                 $this->preCacheMessages();
  41         }
  42
  43         function newFromUser( &$user ) {
  44                 $sk =& $user->getSkin();
  45                 if( $user->getOption('usenewrc') ) {
  46                         return new EnhancedChangesList( $sk );
  47                 } else {
  48                         return new OldChangesList( $sk );
  49                 }
  50         }
  51
  52         /**
  53          * As we use the same small set of messages in various methods and that
  54          * they are called often, we call them once and save them in $this->message
  55          */
  56         function preCacheMessages() {
  57                 // Precache various messages
  58                 if( !isset( $this->message ) ) {
  59                         foreach( explode(' ', 'cur diff hist minoreditletter newpageletter last '.
  60                                 'blocklink changes history' ) as $msg ) {
  61                                 $this->message[$msg] = wfMsgExt( $msg, array( 'escape') );
  62                         }
  63                 }
  64         }
  65
  66
  67         /**
  68          * Returns the appropiate flags for new page, minor change and patrolling
  69          */
  70         function recentChangesFlags( $new, $minor, $patrolled, $nothing = '&nbsp;' ) {
  71                 $f = $new ? '<span class="newpage">' . $this->message['newpageletter'] . '</span>'
  72                                 : $nothing;
  73                 $f .= $minor ? '<span class="minor">' . $this->message['minoreditletter'] . '</span>'
  74                                 : $nothing;
  75                 $f .= $patrolled ? '<span class="unpatrolled">!</span>' : $nothing;
  76                 return $f;
  77         }
  78
  79         /**
  80          * Returns text for the start of the tabular part of RC
  81          */
  82         function beginRecentChangesList() {
  83                 $this->rc_cache = array();
  84                 $this->rcMoveIndex = 0;
  85                 $this->rcCacheIndex = 0;
  86                 $this->lastdate = '';
  87                 $this->rclistOpen = false;
  88                 return '';
  89         }
  90
  91         /**
  92          * Returns text for the end of RC
  93          */
  94         function endRecentChangesList() {
  95                 if( $this->rclistOpen ) {
  96                         return "</ul>\n";
  97                 } else {
  98                         return '';
  99                 }
 100         }
 101
 102
 103         function insertMove( &$s, $rc ) {
 104                 # Diff
 105                 $s .= '(' . $this->message['diff'] . ') (';
 106                 # Hist
 107                 $s .= $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), $this->message['hist'], 'action=history' ) .
 108                         ') . . ';
 109
 110                 # "[[x]] moved to [[y]]"
 111                 $msg = ( $rc->mAttribs['rc_type'] == RC_MOVE ) ? '1movedto2' : '1movedto2_redir';
 112                 $s .= wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 113                         $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 114         }
 115
 116         function insertDateHeader(&$s, $rc_timestamp) {
 117                 global $wgLang;
 118
 119                 # Make date header if necessary
 120                 $date = $wgLang->date( $rc_timestamp, true, true );
 121                 $s = '';
 122                 if( $date != $this->lastdate ) {
 123                         if( '' != $this->lastdate ) {
 124                                 $s .= "</ul>\n";
 125                         }
 126                         $s .= '<h4>'.$date."</h4>\n<ul class=\"special\">";
 127                         $this->lastdate = $date;
 128                         $this->rclistOpen = true;
 129                 }
 130         }
 131
 132         function insertLog(&$s, $title, $logtype) {
 133                 $logname = LogPage::logName( $logtype );
 134                 $s .= '(' . $this->skin->makeKnownLinkObj($title, $logname ) . ')';
 135         }
 136
 137
 138         function insertDiffHist(&$s, &$rc, $unpatrolled) {
 139                 # Diff link
 140                 if( $rc->mAttribs['rc_type'] == RC_NEW || $rc->mAttribs['rc_type'] == RC_LOG ) {
 141                         $diffLink = $this->message['diff'];
 142                 } else {
 143                         $rcidparam = $unpatrolled
 144                                 ? array( 'rcid' => $rc->mAttribs['rc_id'] )
 145                                 : array();
 146                         $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'],
 147                                 wfArrayToCGI( array(
 148                                         'curid' => $rc->mAttribs['rc_cur_id'],
 149                                         'diff'  => $rc->mAttribs['rc_this_oldid'],
 150                                         'oldid' => $rc->mAttribs['rc_last_oldid'] ),
 151                                         $rcidparam ),
 152                                 '', '', ' tabindex="'.$rc->counter.'"');
 153                 }
 154                 $s .= '('.$diffLink.') (';
 155
 156                 # History link
 157                 $s .= $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['hist'],
 158                         wfArrayToCGI( array(
 159                                 'curid' => $rc->mAttribs['rc_cur_id'],
 160                                 'action' => 'history' ) ) );
 161                 $s .= ') . . ';
 162         }
 163
 164         function insertArticleLink(&$s, &$rc, $unpatrolled, $watched) {
 165                 # Article link
 166                 # If it's a new article, there is no diff link, but if it hasn't been
 167                 # patrolled yet, we need to give users a way to do so
 168                 $params = ( $unpatrolled && $rc->mAttribs['rc_type'] == RC_NEW )
 169                         ? 'rcid='.$rc->mAttribs['rc_id']
 170                         : '';
 171                 $articlelink = ' '. $this->skin->makeKnownLinkObj( $rc->getTitle(), '', $params );
 172                 if($watched) $articlelink = '<strong>'.$articlelink.'</strong>';
 173
 174                 $s .= ' '.$articlelink;
 175         }
 176
 177         function insertTimestamp(&$s, &$rc) {
 178                 global $wgLang;
 179                 # Timestamp
 180                 $s .= '; ' . $wgLang->time( $rc->mAttribs['rc_timestamp'], true, true ) . ' . . ';
 181         }
 182
 183         /** Insert links to user page, user talk page and eventually a blocking link */
 184         function insertUserRelatedLinks(&$s, &$rc) {
 185                 $s .= $this->skin->userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 186                 $s .= $this->skin->userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 187         }
 188
 189         /** insert a formatted comment */
 190         function insertComment(&$s, &$rc) {
 191                 # Add comment
 192                 if( $rc->mAttribs['rc_type'] != RC_MOVE && $rc->mAttribs['rc_type'] != RC_MOVE_OVER_REDIRECT ) {
 193                         $s .= $this->skin->commentBlock( $rc->mAttribs['rc_comment'], $rc->getTitle() );
 194                 }
 195         }
 196
 197         /**
 198          * Check whether to enable recent changes patrol features
 199          * @return bool
 200          */
 201         function usePatrol() {
 202                 global $wgUseRCPatrol, $wgUser;
 203                 return( $wgUseRCPatrol && $wgUser->isAllowed( 'patrol' ) );
 204         }
 205
 206
 207 }
 208
 209
 210 /**
 211  * Generate a list of changes using the good old system (no javascript)
 212  */
 213 class OldChangesList extends ChangesList {
 214         /**
 215          * Format a line using the old system (aka without any javascript).
 216          */
 217         function recentChangesLine( &$rc, $watched = false ) {
 218                 global $wgContLang;
 219
 220                 $fname = 'ChangesList::recentChangesLineOld';
 221                 wfProfileIn( $fname );
 222
 223
 224                 # Extract DB fields into local scope
 225                 extract( $rc->mAttribs );
 226                 $curIdEq = 'curid=' . $rc_cur_id;
 227
 228                 # Should patrol-related stuff be shown?
 229                 $unpatrolled = $this->usePatrol() && $rc_patrolled == 0;
 230
 231                 $this->insertDateHeader($s,$rc_timestamp);
 232
 233                 $s .= '<li>';
 234
 235                 // moved pages
 236                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 237                         $this->insertMove( $s, $rc );
 238                 // log entries
 239                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
 240                         $this->insertLog($s, $rc->getTitle(), $matches[1]);
 241                 // all other stuff
 242                 } else {
 243                         wfProfileIn($fname.'-page');
 244
 245                         $this->insertDiffHist($s, $rc, $unpatrolled);
 246
 247                         # M, N and ! (minor, new and unpatrolled)
 248                         $s .= ' ' . $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $unpatrolled, '' );
 249                         $this->insertArticleLink($s, $rc, $unpatrolled, $watched);
 250
 251                         wfProfileOut($fname.'-page');
 252                 }
 253
 254                 wfProfileIn( $fname.'-rest' );
 255
 256                 $this->insertTimestamp($s,$rc);
 257                 $this->insertUserRelatedLinks($s,$rc);
 258                 $this->insertComment($s, $rc);
 259
 260                 if($rc->numberofWatchingusers > 0) {
 261                         $s .= ' ' . wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($rc->numberofWatchingusers));
 262                 }
 263
 264                 $s .= "</li>\n";
 265
 266                 wfProfileOut( $fname.'-rest' );
 267
 268                 wfProfileOut( $fname );
 269                 return $s;
 270         }
 271 }
 272
 273
 274 /**
 275  * Generate a list of changes using an Enhanced system (use javascript).
 276  */
 277 class EnhancedChangesList extends ChangesList {
 278         /**
 279          * Format a line for enhanced recentchange (aka with javascript and block of lines).
 280          */
 281         function recentChangesLine( &$baseRC, $watched = false ) {
 282                 global $wgLang, $wgContLang;
 283
 284                 # Create a specialised object
 285                 $rc = RCCacheEntry::newFromParent( $baseRC );
 286
 287                 # Extract fields from DB into the function scope (rc_xxxx variables)
 288                 extract( $rc->mAttribs );
 289                 $curIdEq = 'curid=' . $rc_cur_id;
 290
 291                 # If it's a new day, add the headline and flush the cache
 292                 $date = $wgLang->date( $rc_timestamp, true);
 293                 $ret = '';
 294                 if( $date != $this->lastdate ) {
 295                         # Process current cache
 296                         $ret = $this->recentChangesBlock();
 297                         $this->rc_cache = array();
 298                         $ret .= "<h4>{$date}</h4>\n";
 299                         $this->lastdate = $date;
 300                 }
 301
 302                 # Should patrol-related stuff be shown?
 303                 if( $this->usePatrol() ) {
 304                         $rc->unpatrolled = !$rc_patrolled;
 305                 } else {
 306                         $rc->unpatrolled = false;
 307                 }
 308
 309                 # Make article link
 310                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 311                         $msg = ( $rc_type == RC_MOVE ) ? "1movedto2" : "1movedto2_redir";
 312                         $clink = wfMsg( $msg, $this->skin->makeKnownLinkObj( $rc->getTitle(), '', 'redirect=no' ),
 313                           $this->skin->makeKnownLinkObj( $rc->getMovedToTitle(), '' ) );
 314                 } elseif( $rc_namespace == NS_SPECIAL && preg_match( '!^Log/(.*)$!', $rc_title, $matches ) ) {
 315                         # Log updates, etc
 316                         $logtype = $matches[1];
 317                         $logname = LogPage::logName( $logtype );
 318                         $clink = '(' . $this->skin->makeKnownLinkObj( $rc->getTitle(), $logname ) . ')';
 319                 } elseif( $rc->unpatrolled && $rc_type == RC_NEW ) {
 320                         # Unpatrolled new page, give rc_id in query
 321                         $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '', "rcid={$rc_id}" );
 322                 } else {
 323                         $clink = $this->skin->makeKnownLinkObj( $rc->getTitle(), '' );
 324                 }
 325
 326                 $time = $wgContLang->time( $rc_timestamp, true, true );
 327                 $rc->watched = $watched;
 328                 $rc->link = $clink;
 329                 $rc->timestamp = $time;
 330                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
 331
 332                 # Make "cur" and "diff" links
 333                 if( $rc->unpatrolled ) {
 334                         $rcIdQuery = "&rcid={$rc_id}";
 335                 } else {
 336                         $rcIdQuery = '';
 337                 }
 338                 $querycur = $curIdEq."&diff=0&oldid=$rc_this_oldid";
 339                 $querydiff = $curIdEq."&diff=$rc_this_oldid&oldid=$rc_last_oldid$rcIdQuery";
 340                 $aprops = ' tabindex="'.$baseRC->counter.'"';
 341                 $curLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['cur'], $querycur, '' ,'', $aprops );
 342                 if( $rc_type == RC_NEW || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 343                         if( $rc_type != RC_NEW ) {
 344                                 $curLink = $this->message['cur'];
 345                         }
 346                         $diffLink = $this->message['diff'];
 347                 } else {
 348                         $diffLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['diff'], $querydiff, '' ,'', $aprops );
 349                 }
 350
 351                 # Make "last" link
 352                 if( $rc_last_oldid == 0 || $rc_type == RC_LOG || $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 353                         $lastLink = $this->message['last'];
 354                 } else {
 355                         $lastLink = $this->skin->makeKnownLinkObj( $rc->getTitle(), $this->message['last'],
 356                           $curIdEq.'&diff='.$rc_this_oldid.'&oldid='.$rc_last_oldid . $rcIdQuery );
 357                 }
 358
 359                 $rc->userlink = $this->skin->userLink( $rc_user, $rc_user_text );
 360
 361                 $rc->lastlink = $lastLink;
 362                 $rc->curlink  = $curLink;
 363                 $rc->difflink = $diffLink;
 364
 365                 $rc->usertalklink = $this->skin->userToolLinks( $rc_user, $rc_user_text );
 366
 367                 # Put accumulated information into the cache, for later display
 368                 # Page moves go on their own line
 369                 $title = $rc->getTitle();
 370                 $secureName = $title->getPrefixedDBkey();
 371                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 372                         # Use an @ character to prevent collision with page names
 373                         $this->rc_cache['@@' . ($this->rcMoveIndex++)] = array($rc);
 374                 } else {
 375                         if( !isset ( $this->rc_cache[$secureName] ) ) {
 376                                 $this->rc_cache[$secureName] = array();
 377                         }
 378                         array_push( $this->rc_cache[$secureName], $rc );
 379                 }
 380                 return $ret;
 381         }
 382
 383         /**
 384          * Enhanced RC group
 385          */
 386         function recentChangesBlockGroup( $block ) {
 387                 $r = '';
 388
 389                 # Collate list of users
 390                 $isnew = false;
 391                 $unpatrolled = false;
 392                 $userlinks = array();
 393                 foreach( $block as $rcObj ) {
 394                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
 395                         $newid = $rcObj->mAttribs['rc_this_oldid'];
 396                         if( $rcObj->mAttribs['rc_new'] ) {
 397                                 $isnew = true;
 398                         }
 399                         $u = $rcObj->userlink;
 400                         if( !isset( $userlinks[$u] ) ) {
 401                                 $userlinks[$u] = 0;
 402                         }
 403                         if( $rcObj->unpatrolled ) {
 404                                 $unpatrolled = true;
 405                         }
 406                         $userlinks[$u]++;
 407                 }
 408
 409                 # Sort the list and convert to text
 410                 krsort( $userlinks );
 411                 asort( $userlinks );
 412                 $users = array();
 413                 foreach( $userlinks as $userlink => $count) {
 414                         $text = $userlink;
 415                         if( $count > 1 ) {
 416                                 $text .= ' ('.$count.'&times;)';
 417                         }
 418                         array_push( $users, $text );
 419                 }
 420
 421                 $users = ' <span class="changedby">['.implode('; ',$users).']</span>';
 422
 423                 # Arrow
 424                 $rci = 'RCI'.$this->rcCacheIndex;
 425                 $rcl = 'RCL'.$this->rcCacheIndex;
 426                 $rcm = 'RCM'.$this->rcCacheIndex;
 427                 $toggleLink = "javascript:toggleVisibility('$rci','$rcm','$rcl')";
 428                 $tl  = '<span id="'.$rcm.'"><a href="'.$toggleLink.'">' . $this->sideArrow() . '</a></span>';
 429                 $tl .= '<span id="'.$rcl.'" style="display:none"><a href="'.$toggleLink.'">' . $this->downArrow() . '</a></span>';
 430                 $r .= $tl;
 431
 432                 # Main line
 433                 $r .= '<tt>';
 434                 $r .= $this->recentChangesFlags( $isnew, false, $unpatrolled );
 435
 436                 # Timestamp
 437                 $r .= ' '.$block[0]->timestamp.' ';
 438                 $r .= '</tt>';
 439
 440                 # Article link
 441                 $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
 442
 443                 $curIdEq = 'curid=' . $block[0]->mAttribs['rc_cur_id'];
 444                 $currentRevision = $block[0]->mAttribs['rc_this_oldid'];
 445                 if( $block[0]->mAttribs['rc_type'] != RC_LOG ) {
 446                         # Changes
 447                         $r .= ' ('.count($block).' ';
 448                         if( $isnew ) {
 449                                 $r .= $this->message['changes'];
 450                         } else {
 451                                 $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
 452                                         $this->message['changes'], $curIdEq."&diff=$currentRevision&oldid=$oldid" );
 453                         }
 454                         $r .= '; ';
 455
 456                         # History
 457                         $r .= $this->skin->makeKnownLinkObj( $block[0]->getTitle(),
 458                                 $this->message['history'], $curIdEq.'&action=history' );
 459                         $r .= ')';
 460                 }
 461
 462                 $r .= $users;
 463
 464                 if($block[0]->numberofWatchingusers > 0) {
 465                         global $wgContLang;
 466                         $r .= wfMsg('number_of_watching_users_RCview',  $wgContLang->formatNum($block[0]->numberofWatchingusers));
 467                 }
 468                 $r .= "<br />\n";
 469
 470                 # Sub-entries
 471                 $r .= '<div id="'.$rci.'" style="display:none">';
 472                 foreach( $block as $rcObj ) {
 473                         # Get rc_xxxx variables
 474                         extract( $rcObj->mAttribs );
 475
 476                         $r .= $this->spacerArrow();
 477                         $r .= '<tt>&nbsp; &nbsp; &nbsp; &nbsp;';
 478                         $r .= $this->recentChangesFlags( $rc_new, $rc_minor, $rcObj->unpatrolled );
 479                         $r .= '&nbsp;</tt>';
 480
 481                         $o = '';
 482                         if( $rc_this_oldid != 0 ) {
 483                                 $o = 'oldid='.$rc_this_oldid;
 484                         }
 485                         if( $rc_type == RC_LOG ) {
 486                                 $link = $rcObj->timestamp;
 487                         } else {
 488                                 $link = $this->skin->makeKnownLinkObj( $rcObj->getTitle(), $rcObj->timestamp, $curIdEq.'&'.$o );
 489                         }
 490                         $link = '<tt>'.$link.'</tt>';
 491
 492                         $r .= $link;
 493                         $r .= ' (';
 494                         $r .= $rcObj->curlink;
 495                         $r .= '; ';
 496                         $r .= $rcObj->lastlink;
 497                         $r .= ') . . '.$rcObj->userlink;
 498                         $r .= $rcObj->usertalklink;
 499                         $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
 500                         $r .= "<br />\n";
 501                 }
 502                 $r .= "</div>\n";
 503
 504                 $this->rcCacheIndex++;
 505                 return $r;
 506         }
 507
 508         function maybeWatchedLink( $link, $watched=false ) {
 509                 if( $watched ) {
 510                         // FIXME: css style might be more appropriate
 511                         return '<strong>' . $link . '</strong>';
 512                 } else {
 513                         return $link;
 514                 }
 515         }
 516
 517         /**
 518          * Generate HTML for an arrow or placeholder graphic
 519          * @param string $dir one of '', 'd', 'l', 'r'
 520          * @param string $alt text
 521          * @return string HTML <img> tag
 522          * @access private
 523          */
 524         function arrow( $dir, $alt='' ) {
 525                 global $wgStylePath;
 526                 $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
 527                 $encAlt = htmlspecialchars( $alt );
 528                 return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" />";
 529         }
 530
 531         /**
 532          * Generate HTML for a right- or left-facing arrow,
 533          * depending on language direction.
 534          * @return string HTML <img> tag
 535          * @access private
 536          */
 537         function sideArrow() {
 538                 global $wgContLang;
 539                 $dir = $wgContLang->isRTL() ? 'l' : 'r';
 540                 return $this->arrow( $dir, '+' );
 541         }
 542
 543         /**
 544          * Generate HTML for a down-facing arrow
 545          * depending on language direction.
 546          * @return string HTML <img> tag
 547          * @access private
 548          */
 549         function downArrow() {
 550                 return $this->arrow( 'd', '-' );
 551         }
 552
 553         /**
 554          * Generate HTML for a spacer image
 555          * @return string HTML <img> tag
 556          * @access private
 557          */
 558         function spacerArrow() {
 559                 return $this->arrow( '', ' ' );
 560         }
 561
 562         /**
 563          * Enhanced RC ungrouped line.
 564          * @return string a HTML formated line (generated using $r)
 565          */
 566         function recentChangesBlockLine( $rcObj ) {
 567                 global $wgContLang;
 568
 569                 # Get rc_xxxx variables
 570                 extract( $rcObj->mAttribs );
 571                 $curIdEq = 'curid='.$rc_cur_id;
 572
 573                 $r = '';
 574
 575                 # Spacer image
 576                 $r .= $this->spacerArrow();
 577
 578                 # Flag and Timestamp
 579                 $r .= '<tt>';
 580
 581                 if( $rc_type == RC_MOVE || $rc_type == RC_MOVE_OVER_REDIRECT ) {
 582                         $r .= '&nbsp;&nbsp;&nbsp;';
 583                 } else {
 584                         $r .= $this->recentChangesFlags( $rc_type == RC_NEW, $rc_minor, $rcObj->unpatrolled );
 585                 }
 586                 $r .= ' '.$rcObj->timestamp.' </tt>';
 587
 588                 # Article link
 589                 $r .= $this->maybeWatchedLink( $rcObj->link, $rcObj->watched );
 590
 591                 # Diff
 592                 $r .= ' ('. $rcObj->difflink .'; ';
 593
 594                 # Hist
 595                 $r .= $this->skin->makeKnownLinkObj( $rcObj->getTitle(), wfMsg( 'hist' ), $curIdEq.'&action=history' );
 596
 597                 # User/talk
 598                 $r .= ') . . '.$rcObj->userlink . $rcObj->usertalklink;
 599
 600                 # Comment
 601                 if( $rc_type != RC_MOVE && $rc_type != RC_MOVE_OVER_REDIRECT ) {
 602                         $r .= $this->skin->commentBlock( $rc_comment, $rcObj->getTitle() );
 603                 }
 604
 605                 if( $rcObj->numberofWatchingusers > 0 ) {
 606                         $r .= wfMsg('number_of_watching_users_RCview', $wgContLang->formatNum($rcObj->numberofWatchingusers));
 607                 }
 608
 609                 $r .= "<br />\n";
 610                 return $r;
 611         }
 612
 613         /**
 614          * If enhanced RC is in use, this function takes the previously cached
 615          * RC lines, arranges them, and outputs the HTML
 616          */
 617         function recentChangesBlock() {
 618                 if( count ( $this->rc_cache ) == 0 ) {
 619                         return '';
 620                 }
 621                 $blockOut = '';
 622                 foreach( $this->rc_cache as $secureName => $block ) {
 623                         if( count( $block ) < 2 ) {
 624                                 $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
 625                         } else {
 626                                 $blockOut .= $this->recentChangesBlockGroup( $block );
 627                         }
 628                 }
 629
 630                 return '<div>'.$blockOut.'</div>';
 631         }
 632
 633         /**
 634          * Returns text for the end of RC
 635          * If enhanced RC is in use, returns pretty much all the text
 636          */
 637         function endRecentChangesList() {
 638                 return $this->recentChangesBlock() . parent::endRecentChangesList();
 639         }
 640
 641 }
 642 ?>