includes/changes/EnhancedChangesList.php

   1 <?php
   2 /**
   3  * Generates a list of changes using an Enhanced system (uses javascript).
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 class EnhancedChangesList extends ChangesList {
  24
  25         protected $rc_cache;
  26
  27         /**
  28          * Add the JavaScript file for enhanced changeslist
  29          * @return String
  30          */
  31         public function beginRecentChangesList() {
  32                 $this->rc_cache = array();
  33                 $this->rcMoveIndex = 0;
  34                 $this->rcCacheIndex = 0;
  35                 $this->lastdate = '';
  36                 $this->rclistOpen = false;
  37                 $this->getOutput()->addModuleStyles( array(
  38                         'mediawiki.special.changeslist',
  39                         'mediawiki.special.changeslist.enhanced',
  40                 ) );
  41                 $this->getOutput()->addModules( array(
  42                         'jquery.makeCollapsible',
  43                         'mediawiki.icon',
  44                 ) );
  45                 return '';
  46         }
  47         /**
  48          * Format a line for enhanced recentchange (aka with javascript and block of lines).
  49          *
  50          * @param $baseRC RecentChange
  51          * @param $watched bool
  52          *
  53          * @return string
  54          */
  55         public function recentChangesLine( &$baseRC, $watched = false ) {
  56                 wfProfileIn( __METHOD__ );
  57
  58                 # Create a specialised object
  59                 $rc = RCCacheEntry::newFromParent( $baseRC );
  60
  61                 $curIdEq = array( 'curid' => $rc->mAttribs['rc_cur_id'] );
  62
  63                 # If it's a new day, add the headline and flush the cache
  64                 $date = $this->getLanguage()->userDate( $rc->mAttribs['rc_timestamp'], $this->getUser() );
  65                 $ret = '';
  66                 if ( $date != $this->lastdate ) {
  67                         # Process current cache
  68                         $ret = $this->recentChangesBlock();
  69                         $this->rc_cache = array();
  70                         $ret .= Xml::element( 'h4', null, $date ) . "\n";
  71                         $this->lastdate = $date;
  72                 }
  73
  74                 # Should patrol-related stuff be shown?
  75                 $rc->unpatrolled = $this->showAsUnpatrolled( $rc );
  76
  77                 $showdifflinks = true;
  78                 # Make article link
  79                 $type = $rc->mAttribs['rc_type'];
  80                 $logType = $rc->mAttribs['rc_log_type'];
  81                 // Page moves, very old style, not supported anymore
  82                 if ( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
  83                 // New unpatrolled pages
  84                 } elseif ( $rc->unpatrolled && $type == RC_NEW ) {
  85                         $clink = Linker::linkKnown( $rc->getTitle() );
  86                 // Log entries
  87                 } elseif ( $type == RC_LOG ) {
  88                         if ( $logType ) {
  89                                 $logtitle = SpecialPage::getTitleFor( 'Log', $logType );
  90                                 $logpage = new LogPage( $logType );
  91                                 $logname = $logpage->getName()->escaped();
  92                                 $clink = $this->msg( 'parentheses' )->rawParams( Linker::linkKnown( $logtitle, $logname ) )->escaped();
  93                         } else {
  94                                 $clink = Linker::link( $rc->getTitle() );
  95                         }
  96                         $watched = false;
  97                 // Log entries (old format) and special pages
  98                 } elseif ( $rc->mAttribs['rc_namespace'] == NS_SPECIAL ) {
  99                         wfDebug( "Unexpected special page in recentchanges\n" );
 100                         $clink = '';
 101                 // Edits
 102                 } else {
 103                         $clink = Linker::linkKnown( $rc->getTitle() );
 104                 }
 105
 106                 # Don't show unusable diff links
 107                 if ( !ChangesList::userCan( $rc, Revision::DELETED_TEXT, $this->getUser() ) ) {
 108                         $showdifflinks = false;
 109                 }
 110
 111                 $time = $this->getLanguage()->userTime( $rc->mAttribs['rc_timestamp'], $this->getUser() );
 112                 $rc->watched = $watched;
 113                 $rc->link = $clink;
 114                 $rc->timestamp = $time;
 115                 $rc->numberofWatchingusers = $baseRC->numberofWatchingusers;
 116
 117                 # Make "cur" and "diff" links.  Do not use link(), it is too slow if
 118                 # called too many times (50% of CPU time on RecentChanges!).
 119                 $thisOldid = $rc->mAttribs['rc_this_oldid'];
 120                 $lastOldid = $rc->mAttribs['rc_last_oldid'];
 121
 122                 $querycur = $curIdEq + array( 'diff' => '0', 'oldid' => $thisOldid );
 123                 $querydiff = $curIdEq + array( 'diff' => $thisOldid, 'oldid' => $lastOldid );
 124
 125                 if ( !$showdifflinks ) {
 126                         $curLink = $this->message['cur'];
 127                         $diffLink = $this->message['diff'];
 128                 } elseif ( in_array( $type, array( RC_NEW, RC_LOG, RC_MOVE, RC_MOVE_OVER_REDIRECT ) ) ) {
 129                         if ( $type != RC_NEW ) {
 130                                 $curLink = $this->message['cur'];
 131                         } else {
 132                                 $curUrl = htmlspecialchars( $rc->getTitle()->getLinkURL( $querycur ) );
 133                                 $curLink = "<a href=\"$curUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['cur']}</a>";
 134                         }
 135                         $diffLink = $this->message['diff'];
 136                 } else {
 137                         $diffUrl = htmlspecialchars( $rc->getTitle()->getLinkURL( $querydiff ) );
 138                         $curUrl = htmlspecialchars( $rc->getTitle()->getLinkURL( $querycur ) );
 139                         $diffLink = "<a href=\"$diffUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['diff']}</a>";
 140                         $curLink = "<a href=\"$curUrl\" tabindex=\"{$baseRC->counter}\">{$this->message['cur']}</a>";
 141                 }
 142
 143                 # Make "last" link
 144                 if ( !$showdifflinks || !$lastOldid ) {
 145                         $lastLink = $this->message['last'];
 146                 } elseif ( in_array( $type, array( RC_LOG, RC_MOVE, RC_MOVE_OVER_REDIRECT ) ) ) {
 147                         $lastLink = $this->message['last'];
 148                 } else {
 149                         $lastLink = Linker::linkKnown( $rc->getTitle(), $this->message['last'],
 150                                 array(), $curIdEq + array( 'diff' => $thisOldid, 'oldid' => $lastOldid ) );
 151                 }
 152
 153                 # Make user links
 154                 if ( $this->isDeleted( $rc, Revision::DELETED_USER ) ) {
 155                         $rc->userlink = ' <span class="history-deleted">' . $this->msg( 'rev-deleted-user' )->escaped() . '</span>';
 156                 } else {
 157                         $rc->userlink = Linker::userLink( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 158                         $rc->usertalklink = Linker::userToolLinks( $rc->mAttribs['rc_user'], $rc->mAttribs['rc_user_text'] );
 159                 }
 160
 161                 $rc->lastlink = $lastLink;
 162                 $rc->curlink = $curLink;
 163                 $rc->difflink = $diffLink;
 164
 165                 # Put accumulated information into the cache, for later display
 166                 # Page moves go on their own line
 167                 $title = $rc->getTitle();
 168                 $secureName = $title->getPrefixedDBkey();
 169                 if ( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
 170                         # Use an @ character to prevent collision with page names
 171                         $this->rc_cache['@@' . ( $this->rcMoveIndex++ )] = array( $rc );
 172                 } else {
 173                         # Logs are grouped by type
 174                         if ( $type == RC_LOG ) {
 175                                 $secureName = SpecialPage::getTitleFor( 'Log', $logType )->getPrefixedDBkey();
 176                         }
 177                         if ( !isset( $this->rc_cache[$secureName] ) ) {
 178                                 $this->rc_cache[$secureName] = array();
 179                         }
 180
 181                         array_push( $this->rc_cache[$secureName], $rc );
 182                 }
 183
 184                 wfProfileOut( __METHOD__ );
 185
 186                 return $ret;
 187         }
 188
 189         /**
 190          * Enhanced RC group
 191          * @return string
 192          */
 193         protected function recentChangesBlockGroup( $block ) {
 194                 global $wgRCShowChangedSize;
 195
 196                 wfProfileIn( __METHOD__ );
 197
 198                 # Add the namespace and title of the block as part of the class
 199                 $classes = array( 'mw-collapsible', 'mw-collapsed', 'mw-enhanced-rc' );
 200                 if ( $block[0]->mAttribs['rc_log_type'] ) {
 201                         # Log entry
 202                         $classes[] = Sanitizer::escapeClass( 'mw-changeslist-log-'
 203                                         . $block[0]->mAttribs['rc_log_type'] . '-' . $block[0]->mAttribs['rc_title'] );
 204                 } else {
 205                         $classes[] = Sanitizer::escapeClass( 'mw-changeslist-ns'
 206                                         . $block[0]->mAttribs['rc_namespace'] . '-' . $block[0]->mAttribs['rc_title'] );
 207                 }
 208                 $classes[] = $block[0]->watched && $block[0]->mAttribs['rc_timestamp'] >= $block[0]->watched
 209                         ? 'mw-changeslist-line-watched' : 'mw-changeslist-line-not-watched';
 210                 $r = Html::openElement( 'table', array( 'class' => $classes ) ) .
 211                         Html::openElement( 'tr' );
 212
 213                 # Collate list of users
 214                 $userlinks = array();
 215                 # Other properties
 216                 $unpatrolled = false;
 217                 $isnew = false;
 218                 $allBots = true;
 219                 $allMinors = true;
 220                 $curId = $currentRevision = 0;
 221                 # Some catalyst variables...
 222                 $namehidden = true;
 223                 $allLogs = true;
 224                 foreach ( $block as $rcObj ) {
 225                         $oldid = $rcObj->mAttribs['rc_last_oldid'];
 226                         if ( $rcObj->mAttribs['rc_type'] == RC_NEW ) {
 227                                 $isnew = true;
 228                         }
 229                         // If all log actions to this page were hidden, then don't
 230                         // give the name of the affected page for this block!
 231                         if ( !$this->isDeleted( $rcObj, LogPage::DELETED_ACTION ) ) {
 232                                 $namehidden = false;
 233                         }
 234                         $u = $rcObj->userlink;
 235                         if ( !isset( $userlinks[$u] ) ) {
 236                                 $userlinks[$u] = 0;
 237                         }
 238                         if ( $rcObj->unpatrolled ) {
 239                                 $unpatrolled = true;
 240                         }
 241                         if ( $rcObj->mAttribs['rc_type'] != RC_LOG ) {
 242                                 $allLogs = false;
 243                         }
 244                         # Get the latest entry with a page_id and oldid
 245                         # since logs may not have these.
 246                         if ( !$curId && $rcObj->mAttribs['rc_cur_id'] ) {
 247                                 $curId = $rcObj->mAttribs['rc_cur_id'];
 248                         }
 249                         if ( !$currentRevision && $rcObj->mAttribs['rc_this_oldid'] ) {
 250                                 $currentRevision = $rcObj->mAttribs['rc_this_oldid'];
 251                         }
 252
 253                         if ( !$rcObj->mAttribs['rc_bot'] ) {
 254                                 $allBots = false;
 255                         }
 256                         if ( !$rcObj->mAttribs['rc_minor'] ) {
 257                                 $allMinors = false;
 258                         }
 259
 260                         $userlinks[$u]++;
 261                 }
 262
 263                 # Sort the list and convert to text
 264                 krsort( $userlinks );
 265                 asort( $userlinks );
 266                 $users = array();
 267                 foreach ( $userlinks as $userlink => $count ) {
 268                         $text = $userlink;
 269                         $text .= $this->getLanguage()->getDirMark();
 270                         if ( $count > 1 ) {
 271                                 $text .= ' ' . $this->msg( 'parentheses' )->rawParams( $this->getLanguage()->formatNum( $count ) . '×' )->escaped();
 272                         }
 273                         array_push( $users, $text );
 274                 }
 275
 276                 $users = ' <span class="changedby">'
 277                         . $this->msg( 'brackets' )->rawParams(
 278                                 implode( $this->message['semicolon-separator'], $users )
 279                         )->escaped() . '</span>';
 280
 281                 $tl = '<span class="mw-collapsible-toggle mw-collapsible-arrow mw-enhancedchanges-arrow mw-enhancedchanges-arrow-space"></span>';
 282                 $r .= "<td>$tl</td>";
 283
 284                 # Main line
 285                 $r .= '<td class="mw-enhanced-rc">' . $this->recentChangesFlags( array(
 286                         'newpage' => $isnew, # show, when one have this flag
 287                         'minor' => $allMinors, # show only, when all have this flag
 288                         'unpatrolled' => $unpatrolled, # show, when one have this flag
 289                         'bot' => $allBots, # show only, when all have this flag
 290                 ) );
 291
 292                 # Timestamp
 293                 $r .= '&#160;' . $block[0]->timestamp . '&#160;</td><td>';
 294
 295                 # Article link
 296                 if ( $namehidden ) {
 297                         $r .= ' <span class="history-deleted">' . $this->msg( 'rev-deleted-event' )->escaped() . '</span>';
 298                 } elseif ( $allLogs ) {
 299                         $r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
 300                 } else {
 301                         $this->insertArticleLink( $r, $block[0], $block[0]->unpatrolled, $block[0]->watched );
 302                 }
 303
 304                 $r .= $this->getLanguage()->getDirMark();
 305
 306                 $queryParams['curid'] = $curId;
 307
 308                 # Changes message
 309                 static $nchanges = array();
 310                 static $sinceLastVisitMsg = array();
 311
 312                 $n = count( $block );
 313                 if ( !isset( $nchanges[$n] ) ) {
 314                         $nchanges[$n] = $this->msg( 'nchanges' )->numParams( $n )->escaped();
 315                 }
 316
 317                 $sinceLast = 0;
 318                 $unvisitedOldid = null;
 319                 foreach ( $block as $rcObj ) {
 320                         // Same logic as below inside main foreach
 321                         if ( $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched ) {
 322                                 $sinceLast++;
 323                                 $unvisitedOldid = $rcObj->mAttribs['rc_last_oldid'];
 324                         }
 325                 }
 326                 if ( !isset( $sinceLastVisitMsg[$sinceLast] ) ) {
 327                         $sinceLastVisitMsg[$sinceLast] =
 328                                 $this->msg( 'enhancedrc-since-last-visit' )->numParams( $sinceLast )->escaped();
 329                 }
 330
 331                 # Total change link
 332                 $r .= ' ';
 333                 $logtext = '';
 334                 if ( !$allLogs ) {
 335                         if ( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) {
 336                                 $logtext .= $nchanges[$n];
 337                         } elseif ( $isnew ) {
 338                                 $logtext .= $nchanges[$n];
 339                         } else {
 340                                 $logtext .= Linker::link(
 341                                         $block[0]->getTitle(),
 342                                         $nchanges[$n],
 343                                         array(),
 344                                         $queryParams + array(
 345                                                 'diff' => $currentRevision,
 346                                                 'oldid' => $oldid,
 347                                         ),
 348                                         array( 'known', 'noclasses' )
 349                                 );
 350                                 if ( $sinceLast > 0 && $sinceLast < $n ) {
 351                                         $logtext .= $this->message['pipe-separator'] . Linker::link(
 352                                                 $block[0]->getTitle(),
 353                                                 $sinceLastVisitMsg[$sinceLast],
 354                                                 array(),
 355                                                 $queryParams + array(
 356                                                         'diff' => $currentRevision,
 357                                                         'oldid' => $unvisitedOldid,
 358                                                 ),
 359                                                 array( 'known', 'noclasses' )
 360                                         );
 361                                 }
 362                         }
 363                 }
 364
 365                 # History
 366                 if ( $allLogs ) {
 367                         // don't show history link for logs
 368                 } elseif ( $namehidden || !$block[0]->getTitle()->exists() ) {
 369                         $logtext .= $this->message['pipe-separator'] . $this->message['enhancedrc-history'];
 370                 } else {
 371                         $params = $queryParams;
 372                         $params['action'] = 'history';
 373
 374                         $logtext .= $this->message['pipe-separator'] .
 375                                 Linker::linkKnown(
 376                                         $block[0]->getTitle(),
 377                                         $this->message['enhancedrc-history'],
 378                                         array(),
 379                                         $params
 380                                 );
 381                 }
 382
 383                 if ( $logtext !== '' ) {
 384                         $r .= $this->msg( 'parentheses' )->rawParams( $logtext )->escaped();
 385                 }
 386
 387                 $r .= ' <span class="mw-changeslist-separator">. .</span> ';
 388
 389                 # Character difference (does not apply if only log items)
 390                 if ( $wgRCShowChangedSize && !$allLogs ) {
 391                         $last = 0;
 392                         $first = count( $block ) - 1;
 393                         # Some events (like logs) have an "empty" size, so we need to skip those...
 394                         while ( $last < $first && $block[$last]->mAttribs['rc_new_len'] === null ) {
 395                                 $last++;
 396                         }
 397                         while ( $first > $last && $block[$first]->mAttribs['rc_old_len'] === null ) {
 398                                 $first--;
 399                         }
 400                         # Get net change
 401                         $chardiff = $this->formatCharacterDifference( $block[$first], $block[$last] );
 402
 403                         if ( $chardiff == '' ) {
 404                                 $r .= ' ';
 405                         } else {
 406                                 $r .= ' ' . $chardiff . ' <span class="mw-changeslist-separator">. .</span> ';
 407                         }
 408                 }
 409
 410                 $r .= $users;
 411                 $r .= $this->numberofWatchingusers( $block[0]->numberofWatchingusers );
 412
 413                 # Sub-entries
 414                 foreach ( $block as $rcObj ) {
 415                         # Classes to apply -- TODO implement
 416                         $classes = array();
 417                         $type = $rcObj->mAttribs['rc_type'];
 418
 419                         $trClass = $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched
 420                                 ? ' class="mw-enhanced-watched"' : '';
 421
 422                         $r .= '<tr' . $trClass . '><td></td><td class="mw-enhanced-rc">';
 423                         $r .= $this->recentChangesFlags( array(
 424                                 'newpage' => $type == RC_NEW,
 425                                 'minor' => $rcObj->mAttribs['rc_minor'],
 426                                 'unpatrolled' => $rcObj->unpatrolled,
 427                                 'bot' => $rcObj->mAttribs['rc_bot'],
 428                         ) );
 429                         $r .= '&#160;</td><td class="mw-enhanced-rc-nested"><span class="mw-enhanced-rc-time">';
 430
 431                         $params = $queryParams;
 432
 433                         if ( $rcObj->mAttribs['rc_this_oldid'] != 0 ) {
 434                                 $params['oldid'] = $rcObj->mAttribs['rc_this_oldid'];
 435                         }
 436
 437                         # Log timestamp
 438                         if ( $type == RC_LOG ) {
 439                                 $link = $rcObj->timestamp;
 440                         # Revision link
 441                         } elseif ( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) {
 442                                 $link = '<span class="history-deleted">' . $rcObj->timestamp . '</span> ';
 443                         } else {
 444
 445                                 $link = Linker::linkKnown(
 446                                                 $rcObj->getTitle(),
 447                                                 $rcObj->timestamp,
 448                                                 array(),
 449                                                 $params
 450                                         );
 451                                 if ( $this->isDeleted( $rcObj, Revision::DELETED_TEXT ) ) {
 452                                         $link = '<span class="history-deleted">' . $link . '</span> ';
 453                                 }
 454                         }
 455                         $r .= $link . '</span>';
 456
 457                         if ( !$type == RC_LOG || $type == RC_NEW ) {
 458                                 $r .= ' ' . $this->msg( 'parentheses' )->rawParams( $rcObj->curlink . $this->message['pipe-separator'] . $rcObj->lastlink )->escaped();
 459                         }
 460                         $r .= ' <span class="mw-changeslist-separator">. .</span> ';
 461
 462                         # Character diff
 463                         if ( $wgRCShowChangedSize ) {
 464                                 $cd = $this->formatCharacterDifference( $rcObj );
 465                                 if ( $cd !== '' ) {
 466                                         $r .= $cd . ' <span class="mw-changeslist-separator">. .</span> ';
 467                                 }
 468                         }
 469
 470                         if ( $rcObj->mAttribs['rc_type'] == RC_LOG ) {
 471                                 $r .= $this->insertLogEntry( $rcObj );
 472                         } else {
 473                                 # User links
 474                                 $r .= $rcObj->userlink;
 475                                 $r .= $rcObj->usertalklink;
 476                                 $r .= $this->insertComment( $rcObj );
 477                         }
 478
 479                         # Rollback
 480                         $this->insertRollback( $r, $rcObj );
 481                         # Tags
 482                         $this->insertTags( $r, $rcObj, $classes );
 483
 484                         $r .= "</td></tr>\n";
 485                 }
 486                 $r .= "</table>\n";
 487
 488                 $this->rcCacheIndex++;
 489
 490                 wfProfileOut( __METHOD__ );
 491
 492                 return $r;
 493         }
 494
 495         /**
 496          * Generate HTML for an arrow or placeholder graphic
 497          * @param string $dir one of '', 'd', 'l', 'r'
 498          * @param string $alt text
 499          * @param string $title text
 500          * @return String: HTML "<img>" tag
 501          */
 502         protected function arrow( $dir, $alt = '', $title = '' ) {
 503                 global $wgStylePath;
 504                 $encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
 505                 $encAlt = htmlspecialchars( $alt );
 506                 $encTitle = htmlspecialchars( $title );
 507                 return "<img src=\"$encUrl\" width=\"12\" height=\"12\" alt=\"$encAlt\" title=\"$encTitle\" />";
 508         }
 509
 510         /**
 511          * Generate HTML for a right- or left-facing arrow,
 512          * depending on language direction.
 513          * @return String: HTML "<img>" tag
 514          */
 515         protected function sideArrow() {
 516                 $dir = $this->getLanguage()->isRTL() ? 'l' : 'r';
 517                 return $this->arrow( $dir, '+', $this->msg( 'rc-enhanced-expand' )->text() );
 518         }
 519
 520         /**
 521          * Generate HTML for a down-facing arrow
 522          * depending on language direction.
 523          * @return String: HTML "<img>" tag
 524          */
 525         protected function downArrow() {
 526                 return $this->arrow( 'd', '-', $this->msg( 'rc-enhanced-hide' )->text() );
 527         }
 528
 529         /**
 530          * Generate HTML for a spacer image
 531          * @return String: HTML "<img>" tag
 532          */
 533         protected function spacerArrow() {
 534                 return $this->arrow( '', codepointToUtf8( 0xa0 ) ); // non-breaking space
 535         }
 536
 537         /**
 538          * Enhanced RC ungrouped line.
 539          *
 540          * @param $rcObj RecentChange
 541          * @return String: a HTML formatted line (generated using $r)
 542          */
 543         protected function recentChangesBlockLine( $rcObj ) {
 544                 global $wgRCShowChangedSize;
 545
 546                 wfProfileIn( __METHOD__ );
 547                 $query['curid'] = $rcObj->mAttribs['rc_cur_id'];
 548
 549                 $type = $rcObj->mAttribs['rc_type'];
 550                 $logType = $rcObj->mAttribs['rc_log_type'];
 551                 $classes = array( 'mw-enhanced-rc' );
 552                 if ( $logType ) {
 553                         # Log entry
 554                         $classes[] = Sanitizer::escapeClass( 'mw-changeslist-log-'
 555                                         . $logType . '-' . $rcObj->mAttribs['rc_title'] );
 556                 } else {
 557                         $classes[] = Sanitizer::escapeClass( 'mw-changeslist-ns' .
 558                                         $rcObj->mAttribs['rc_namespace'] . '-' . $rcObj->mAttribs['rc_title'] );
 559                 }
 560                 $classes[] = $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched
 561                         ? 'mw-changeslist-line-watched' : 'mw-changeslist-line-not-watched';
 562                 $r = Html::openElement( 'table', array( 'class' => $classes ) ) .
 563                         Html::openElement( 'tr' );
 564
 565                 $r .= '<td class="mw-enhanced-rc"><span class="mw-enhancedchanges-arrow-space"></span>';
 566                 # Flag and Timestamp
 567                 if ( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
 568                         $r .= $this->recentChangesFlags( array() ); // no flags, but need the placeholders
 569                 } else {
 570                         $r .= $this->recentChangesFlags( array(
 571                                 'newpage' => $type == RC_NEW,
 572                                 'minor' => $rcObj->mAttribs['rc_minor'],
 573                                 'unpatrolled' => $rcObj->unpatrolled,
 574                                 'bot' => $rcObj->mAttribs['rc_bot'],
 575                         ) );
 576                 }
 577                 $r .= '&#160;' . $rcObj->timestamp . '&#160;</td><td>';
 578                 # Article or log link
 579                 if ( $logType ) {
 580                         $logPage = new LogPage( $logType );
 581                         $logTitle = SpecialPage::getTitleFor( 'Log', $logType );
 582                         $logName = $logPage->getName()->escaped();
 583                         $r .= $this->msg( 'parentheses' )->rawParams( Linker::linkKnown( $logTitle, $logName ) )->escaped();
 584                 } else {
 585                         $this->insertArticleLink( $r, $rcObj, $rcObj->unpatrolled, $rcObj->watched );
 586                 }
 587                 # Diff and hist links
 588                 if ( $type != RC_LOG ) {
 589                         $query['action'] = 'history';
 590                         $r .= ' ' . $this->msg( 'parentheses' )->rawParams( $rcObj->difflink . $this->message['pipe-separator'] . Linker::linkKnown(
 591                                 $rcObj->getTitle(),
 592                                 $this->message['hist'],
 593                                 array(),
 594                                 $query
 595                         ) )->escaped();
 596                 }
 597                 $r .= ' <span class="mw-changeslist-separator">. .</span> ';
 598                 # Character diff
 599                 if ( $wgRCShowChangedSize ) {
 600                         $cd = $this->formatCharacterDifference( $rcObj );
 601                         if ( $cd !== '' ) {
 602                                 $r .= $cd . ' <span class="mw-changeslist-separator">. .</span> ';
 603                         }
 604                 }
 605
 606                 if ( $type == RC_LOG ) {
 607                         $r .= $this->insertLogEntry( $rcObj );
 608                 } else {
 609                         $r .= ' ' . $rcObj->userlink . $rcObj->usertalklink;
 610                         $r .= $this->insertComment( $rcObj );
 611                         $this->insertRollback( $r, $rcObj );
 612                 }
 613
 614                 # Tags
 615                 $this->insertTags( $r, $rcObj, $classes );
 616                 # Show how many people are watching this if enabled
 617                 $r .= $this->numberofWatchingusers( $rcObj->numberofWatchingusers );
 618
 619                 $r .= "</td></tr></table>\n";
 620
 621                 wfProfileOut( __METHOD__ );
 622
 623                 return $r;
 624         }
 625
 626         /**
 627          * If enhanced RC is in use, this function takes the previously cached
 628          * RC lines, arranges them, and outputs the HTML
 629          *
 630          * @return string
 631          */
 632         protected function recentChangesBlock() {
 633                 if ( count ( $this->rc_cache ) == 0 ) {
 634                         return '';
 635                 }
 636
 637                 wfProfileIn( __METHOD__ );
 638
 639                 $blockOut = '';
 640                 foreach ( $this->rc_cache as $block ) {
 641                         if ( count( $block ) < 2 ) {
 642                                 $blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
 643                         } else {
 644                                 $blockOut .= $this->recentChangesBlockGroup( $block );
 645                         }
 646                 }
 647
 648                 wfProfileOut( __METHOD__ );
 649
 650                 return '<div>' . $blockOut . '</div>';
 651         }
 652
 653         /**
 654          * Returns text for the end of RC
 655          * If enhanced RC is in use, returns pretty much all the text
 656          * @return string
 657          */
 658         public function endRecentChangesList() {
 659                 return $this->recentChangesBlock() . parent::endRecentChangesList();
 660         }
 661
 662 }