includes/specials/SpecialWatchlist.php

   1 <?php
   2 /**
   3  * Implements Special:Watchlist
   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  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * A special page that lists last changes made to the wiki,
  26  * limited to user-defined list of titles.
  27  *
  28  * @ingroup SpecialPage
  29  */
  30 class SpecialWatchlist extends ChangesListSpecialPage {
  31         public function __construct( $page = 'Watchlist', $restriction = 'viewmywatchlist' ) {
  32                 parent::__construct( $page, $restriction );
  33         }
  34
  35         /**
  36          * Main execution point
  37          *
  38          * @param string $subpage
  39          */
  40         function execute( $subpage ) {
  41                 // Anons don't get a watchlist
  42                 $this->requireLogin( 'watchlistanontext' );
  43
  44                 $output = $this->getOutput();
  45                 $request = $this->getRequest();
  46                 $this->addHelpLink( 'Help:Watching pages' );
  47
  48                 $mode = SpecialEditWatchlist::getMode( $request, $subpage );
  49                 if ( $mode !== false ) {
  50                         if ( $mode === SpecialEditWatchlist::EDIT_RAW ) {
  51                                 $title = SpecialPage::getTitleFor( 'EditWatchlist', 'raw' );
  52                         } elseif ( $mode === SpecialEditWatchlist::EDIT_CLEAR ) {
  53                                 $title = SpecialPage::getTitleFor( 'EditWatchlist', 'clear' );
  54                         } else {
  55                                 $title = SpecialPage::getTitleFor( 'EditWatchlist' );
  56                         }
  57
  58                         $output->redirect( $title->getLocalURL() );
  59
  60                         return;
  61                 }
  62
  63                 $this->checkPermissions();
  64
  65                 $user = $this->getUser();
  66                 $opts = $this->getOptions();
  67
  68                 $config = $this->getConfig();
  69                 if ( ( $config->get( 'EnotifWatchlist' ) || $config->get( 'ShowUpdatedMarker' ) )
  70                         && $request->getVal( 'reset' )
  71                         && $request->wasPosted()
  72                 ) {
  73                         $user->clearAllNotifications();
  74                         $output->redirect( $this->getPageTitle()->getFullURL( $opts->getChangedValues() ) );
  75
  76                         return;
  77                 }
  78
  79                 parent::execute( $subpage );
  80         }
  81
  82         /**
  83          * Return an array of subpages that this special page will accept.
  84          *
  85          * @see also SpecialEditWatchlist::getSubpagesForPrefixSearch
  86          * @return string[] subpages
  87          */
  88         public function getSubpagesForPrefixSearch() {
  89                 return array(
  90                         'clear',
  91                         'edit',
  92                         'raw',
  93                 );
  94         }
  95
  96         /**
  97          * Get a FormOptions object containing the default options
  98          *
  99          * @return FormOptions
 100          */
 101         public function getDefaultOptions() {
 102                 $opts = parent::getDefaultOptions();
 103                 $user = $this->getUser();
 104
 105                 $opts->add( 'days', $user->getOption( 'watchlistdays' ), FormOptions::FLOAT );
 106                 $opts->add( 'extended', $user->getBoolOption( 'extendwatchlist' ) );
 107                 if ( $this->getRequest()->getVal( 'action' ) == 'submit' ) {
 108                         // The user has submitted the form, so we dont need the default values
 109                         return $opts;
 110                 }
 111
 112                 $opts->add( 'hideminor', $user->getBoolOption( 'watchlisthideminor' ) );
 113                 $opts->add( 'hidebots', $user->getBoolOption( 'watchlisthidebots' ) );
 114                 $opts->add( 'hideanons', $user->getBoolOption( 'watchlisthideanons' ) );
 115                 $opts->add( 'hideliu', $user->getBoolOption( 'watchlisthideliu' ) );
 116                 $opts->add( 'hidepatrolled', $user->getBoolOption( 'watchlisthidepatrolled' ) );
 117                 $opts->add( 'hidemyself', $user->getBoolOption( 'watchlisthideown' ) );
 118
 119                 if ( $this->getConfig()->get( 'RCWatchCategoryMembership' ) ) {
 120                         $opts->add( 'hidecategorization', $user->getBoolOption( 'watchlisthidecategorization' ) );
 121                 }
 122
 123                 return $opts;
 124         }
 125
 126         /**
 127          * Get custom show/hide filters
 128          *
 129          * @return array Map of filter URL param names to properties (msg/default)
 130          */
 131         protected function getCustomFilters() {
 132                 if ( $this->customFilters === null ) {
 133                         $this->customFilters = parent::getCustomFilters();
 134                         Hooks::run( 'SpecialWatchlistFilters', array( $this, &$this->customFilters ), '1.23' );
 135                 }
 136
 137                 return $this->customFilters;
 138         }
 139
 140         /**
 141          * Fetch values for a FormOptions object from the WebRequest associated with this instance.
 142          *
 143          * Maps old pre-1.23 request parameters Watchlist used to use (different from Recentchanges' ones)
 144          * to the current ones.
 145          *
 146          * @param FormOptions $opts
 147          * @return FormOptions
 148          */
 149         protected function fetchOptionsFromRequest( $opts ) {
 150                 static $compatibilityMap = array(
 151                         'hideMinor' => 'hideminor',
 152                         'hideBots' => 'hidebots',
 153                         'hideAnons' => 'hideanons',
 154                         'hideLiu' => 'hideliu',
 155                         'hidePatrolled' => 'hidepatrolled',
 156                         'hideOwn' => 'hidemyself',
 157                 );
 158
 159                 $params = $this->getRequest()->getValues();
 160                 foreach ( $compatibilityMap as $from => $to ) {
 161                         if ( isset( $params[$from] ) ) {
 162                                 $params[$to] = $params[$from];
 163                                 unset( $params[$from] );
 164                         }
 165                 }
 166
 167                 // Not the prettiest way to achieve this… FormOptions internally depends on data sanitization
 168                 // methods defined on WebRequest and removing this dependency would cause some code duplication.
 169                 $request = new DerivativeRequest( $this->getRequest(), $params );
 170                 $opts->fetchValuesFromRequest( $request );
 171
 172                 return $opts;
 173         }
 174
 175         /**
 176          * Return an array of conditions depending of options set in $opts
 177          *
 178          * @param FormOptions $opts
 179          * @return array
 180          */
 181         public function buildMainQueryConds( FormOptions $opts ) {
 182                 $dbr = $this->getDB();
 183                 $conds = parent::buildMainQueryConds( $opts );
 184
 185                 // Calculate cutoff
 186                 if ( $opts['days'] > 0 ) {
 187                         $conds[] = 'rc_timestamp > ' .
 188                                 $dbr->addQuotes( $dbr->timestamp( time() - intval( $opts['days'] * 86400 ) ) );
 189                 }
 190
 191                 return $conds;
 192         }
 193
 194         /**
 195          * Process the query
 196          *
 197          * @param array $conds
 198          * @param FormOptions $opts
 199          * @return bool|ResultWrapper Result or false (for Recentchangeslinked only)
 200          */
 201         public function doMainQuery( $conds, $opts ) {
 202                 $dbr = $this->getDB();
 203                 $user = $this->getUser();
 204
 205                 # Toggle watchlist content (all recent edits or just the latest)
 206                 if ( $opts['extended'] ) {
 207                         $limitWatchlist = $user->getIntOption( 'wllimit' );
 208                         $usePage = false;
 209                 } else {
 210                         # Top log Ids for a page are not stored
 211                         $nonRevisionTypes = array( RC_LOG );
 212                         Hooks::run( 'SpecialWatchlistGetNonRevisionTypes', array( &$nonRevisionTypes ) );
 213                         if ( $nonRevisionTypes ) {
 214                                 $conds[] = $dbr->makeList(
 215                                         array(
 216                                                 'rc_this_oldid=page_latest',
 217                                                 'rc_type' => $nonRevisionTypes,
 218                                         ),
 219                                         LIST_OR
 220                                 );
 221                         }
 222                         $limitWatchlist = 0;
 223                         $usePage = true;
 224                 }
 225
 226                 $tables = array( 'recentchanges', 'watchlist' );
 227                 $fields = RecentChange::selectFields();
 228                 $query_options = array( 'ORDER BY' => 'rc_timestamp DESC' );
 229                 $join_conds = array(
 230                         'watchlist' => array(
 231                                 'INNER JOIN',
 232                                 array(
 233                                         'wl_user' => $user->getId(),
 234                                         'wl_namespace=rc_namespace',
 235                                         'wl_title=rc_title'
 236                                 ),
 237                         ),
 238                 );
 239
 240                 if ( $this->getConfig()->get( 'ShowUpdatedMarker' ) ) {
 241                         $fields[] = 'wl_notificationtimestamp';
 242                 }
 243                 if ( $limitWatchlist ) {
 244                         $query_options['LIMIT'] = $limitWatchlist;
 245                 }
 246
 247                 $rollbacker = $user->isAllowed( 'rollback' );
 248                 if ( $usePage || $rollbacker ) {
 249                         $tables[] = 'page';
 250                         $join_conds['page'] = array( 'LEFT JOIN', 'rc_cur_id=page_id' );
 251                         if ( $rollbacker ) {
 252                                 $fields[] = 'page_latest';
 253                         }
 254                 }
 255
 256                 // Log entries with DELETED_ACTION must not show up unless the user has
 257                 // the necessary rights.
 258                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 259                         $bitmask = LogPage::DELETED_ACTION;
 260                 } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
 261                         $bitmask = LogPage::DELETED_ACTION | LogPage::DELETED_RESTRICTED;
 262                 } else {
 263                         $bitmask = 0;
 264                 }
 265                 if ( $bitmask ) {
 266                         $conds[] = $dbr->makeList( array(
 267                                 'rc_type != ' . RC_LOG,
 268                                 $dbr->bitAnd( 'rc_deleted', $bitmask ) . " != $bitmask",
 269                         ), LIST_OR );
 270                 }
 271
 272                 ChangeTags::modifyDisplayQuery(
 273                         $tables,
 274                         $fields,
 275                         $conds,
 276                         $join_conds,
 277                         $query_options,
 278                         ''
 279                 );
 280
 281                 $this->runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts );
 282
 283                 return $dbr->select(
 284                         $tables,
 285                         $fields,
 286                         $conds,
 287                         __METHOD__,
 288                         $query_options,
 289                         $join_conds
 290                 );
 291         }
 292
 293         protected function runMainQueryHook( &$tables, &$fields, &$conds, &$query_options,
 294                 &$join_conds, $opts
 295         ) {
 296                 return parent::runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts )
 297                         && Hooks::run(
 298                                 'SpecialWatchlistQuery',
 299                                 array( &$conds, &$tables, &$join_conds, &$fields, $opts ),
 300                                 '1.23'
 301                         );
 302         }
 303
 304         /**
 305          * Return a IDatabase object for reading
 306          *
 307          * @return IDatabase
 308          */
 309         protected function getDB() {
 310                 return wfGetDB( DB_SLAVE, 'watchlist' );
 311         }
 312
 313         /**
 314          * Output feed links.
 315          */
 316         public function outputFeedLinks() {
 317                 $user = $this->getUser();
 318                 $wlToken = $user->getTokenFromOption( 'watchlisttoken' );
 319                 if ( $wlToken ) {
 320                         $this->addFeedLinks( array(
 321                                 'action' => 'feedwatchlist',
 322                                 'allrev' => 1,
 323                                 'wlowner' => $user->getName(),
 324                                 'wltoken' => $wlToken,
 325                         ) );
 326                 }
 327         }
 328
 329         /**
 330          * Build and output the actual changes list.
 331          *
 332          * @param ResultWrapper $rows Database rows
 333          * @param FormOptions $opts
 334          */
 335         public function outputChangesList( $rows, $opts ) {
 336                 $dbr = $this->getDB();
 337                 $user = $this->getUser();
 338                 $output = $this->getOutput();
 339
 340                 # Show a message about slave lag, if applicable
 341                 $lag = wfGetLB()->safeGetLag( $dbr );
 342                 if ( $lag > 0 ) {
 343                         $output->showLagWarning( $lag );
 344                 }
 345
 346                 # If no rows to display, show message before try to render the list
 347                 if ( $rows->numRows() == 0 ) {
 348                         $output->wrapWikiMsg(
 349                                 "<div class='mw-changeslist-empty'>\n$1\n</div>", 'recentchanges-noresult'
 350                         );
 351                         return;
 352                 }
 353
 354                 $dbr->dataSeek( $rows, 0 );
 355
 356                 $list = ChangesList::newFromContext( $this->getContext() );
 357                 $list->setWatchlistDivs();
 358                 $list->initChangesListRows( $rows );
 359                 $dbr->dataSeek( $rows, 0 );
 360
 361                 $s = $list->beginRecentChangesList();
 362                 $counter = 1;
 363                 foreach ( $rows as $obj ) {
 364                         # Make RC entry
 365                         $rc = RecentChange::newFromRow( $obj );
 366                         $rc->counter = $counter++;
 367
 368                         if ( $this->getConfig()->get( 'ShowUpdatedMarker' ) ) {
 369                                 $updated = $obj->wl_notificationtimestamp;
 370                         } else {
 371                                 $updated = false;
 372                         }
 373
 374                         if ( $this->getConfig()->get( 'RCShowWatchingUsers' )
 375                                 && $user->getOption( 'shownumberswatching' )
 376                         ) {
 377                                 $rc->numberofWatchingusers = $dbr->selectField( 'watchlist',
 378                                         'COUNT(*)',
 379                                         array(
 380                                                 'wl_namespace' => $obj->rc_namespace,
 381                                                 'wl_title' => $obj->rc_title,
 382                                         ),
 383                                         __METHOD__ );
 384                         } else {
 385                                 $rc->numberofWatchingusers = 0;
 386                         }
 387
 388                         $changeLine = $list->recentChangesLine( $rc, $updated, $counter );
 389                         if ( $changeLine !== false ) {
 390                                 $s .= $changeLine;
 391                         }
 392                 }
 393                 $s .= $list->endRecentChangesList();
 394
 395                 $output->addHTML( $s );
 396         }
 397
 398         /**
 399          * Set the text to be displayed above the changes
 400          *
 401          * @param FormOptions $opts
 402          * @param int $numRows Number of rows in the result to show after this header
 403          */
 404         public function doHeader( $opts, $numRows ) {
 405                 $user = $this->getUser();
 406
 407                 $this->getOutput()->addSubtitle(
 408                         $this->msg( 'watchlistfor2', $user->getName() )
 409                                 ->rawParams( SpecialEditWatchlist::buildTools( null ) )
 410                 );
 411
 412                 $this->setTopText( $opts );
 413
 414                 $lang = $this->getLanguage();
 415                 $wlInfo = '';
 416                 if ( $opts['days'] > 0 ) {
 417                         $timestamp = wfTimestampNow();
 418                         $wlInfo = $this->msg( 'wlnote' )->numParams( $numRows, round( $opts['days'] * 24 ) )->params(
 419                                 $lang->userDate( $timestamp, $user ), $lang->userTime( $timestamp, $user )
 420                         )->parse() . "<br />\n";
 421                 }
 422
 423                 $nondefaults = $opts->getChangedValues();
 424                 $cutofflinks = $this->msg( 'wlshowtime' ) . ' ' . $this->cutoffselector( $opts );
 425
 426                 # Spit out some control panel links
 427                 $filters = array(
 428                         'hideminor' => 'wlshowhideminor',
 429                         'hidebots' => 'wlshowhidebots',
 430                         'hideanons' => 'wlshowhideanons',
 431                         'hideliu' => 'wlshowhideliu',
 432                         'hidemyself' => 'wlshowhidemine',
 433                         'hidepatrolled' => 'wlshowhidepatr'
 434                 );
 435
 436                 if ( $this->getConfig()->get( 'RCWatchCategoryMembership' ) ) {
 437                         $filters['hidecategorization'] = 'rcshowhidecategorization';
 438                 }
 439
 440                 foreach ( $this->getCustomFilters() as $key => $params ) {
 441                         $filters[$key] = $params['msg'];
 442                 }
 443                 // Disable some if needed
 444                 if ( !$user->useRCPatrol() ) {
 445                         unset( $filters['hidepatrolled'] );
 446                 }
 447
 448                 $links = array();
 449                 foreach ( $filters as $name => $msg ) {
 450                         $links[] = $this->showHideCheck( $nondefaults, $msg, $name, $opts[$name] );
 451                 }
 452
 453                 $hiddenFields = $nondefaults;
 454                 $hiddenFields['action'] = 'submit';
 455                 unset( $hiddenFields['namespace'] );
 456                 unset( $hiddenFields['invert'] );
 457                 unset( $hiddenFields['associated'] );
 458                 unset( $hiddenFields['days'] );
 459                 foreach ( $filters as $key => $value ) {
 460                         unset( $hiddenFields[$key] );
 461                 }
 462
 463                 # Create output
 464                 $form = '';
 465
 466                 # Namespace filter and put the whole form together.
 467                 $form .= $wlInfo;
 468                 $form .= $cutofflinks;
 469                 $form .= $this->msg( 'watchlist-hide' ) .
 470                         $this->msg( 'colon-separator' )->escaped() .
 471                         implode( ' ', $links );
 472                 $form .= "\n<hr />\n<p>";
 473                 $form .= Html::namespaceSelector(
 474                         array(
 475                                 'selected' => $opts['namespace'],
 476                                 'all' => '',
 477                                 'label' => $this->msg( 'namespace' )->text()
 478                         ), array(
 479                                 'name' => 'namespace',
 480                                 'id' => 'namespace',
 481                                 'class' => 'namespaceselector',
 482                         )
 483                 ) . "\n";
 484                 $form .= '<span class="mw-input-with-label">' . Xml::checkLabel(
 485                         $this->msg( 'invert' )->text(),
 486                         'invert',
 487                         'nsinvert',
 488                         $opts['invert'],
 489                         array( 'title' => $this->msg( 'tooltip-invert' )->text() )
 490                 ) . "</span>\n";
 491                 $form .= '<span class="mw-input-with-label">' . Xml::checkLabel(
 492                         $this->msg( 'namespace_association' )->text(),
 493                         'associated',
 494                         'nsassociated',
 495                         $opts['associated'],
 496                         array( 'title' => $this->msg( 'tooltip-namespace_association' )->text() )
 497                 ) . "</span>\n";
 498                 $form .= Xml::submitButton( $this->msg( 'allpagessubmit' )->text() ) . "</p>\n";
 499                 foreach ( $hiddenFields as $key => $value ) {
 500                         $form .= Html::hidden( $key, $value ) . "\n";
 501                 }
 502                 $form .= Xml::closeElement( 'fieldset' ) . "\n";
 503                 $form .= Xml::closeElement( 'form' ) . "\n";
 504                 $this->getOutput()->addHTML( $form );
 505
 506                 $this->setBottomText( $opts );
 507         }
 508
 509         function cutoffselector( $options ) {
 510                 $userWatchlistOption = $this->getUser()->getOption( 'watchlistdays' );
 511
 512                 $list = array();
 513                 $selectOptions = '';
 514                 $hours = array( 1, 2, 6, 12 );
 515                 $days = array( 1, 3, 7 );
 516                 // add the user preference, if it isn't available already
 517                 if ( $userWatchlistOption >= 1 && !in_array( $userWatchlistOption, $days ) ) {
 518                         $days[] = $userWatchlistOption;
 519                         asort( $days );
 520                 } elseif ( $userWatchlistOption < 1 && !in_array( $userWatchlistOption * 24, $hours ) ) {
 521                         $hours[] = $userWatchlistOption * 24;
 522                         asort( $hours );
 523                 }
 524                 foreach ( $hours as $h ) {
 525                         $name = $this->msg( 'hours' )->numParams( $h );
 526                         $value = $h / 24;
 527                         // due to the possible addition of a user value, it's possible, that both
 528                         // values ($value and $options['days']) are floats with unexpected comparison
 529                         // behaviour. Comparing them directly can result in a "not equality" result,
 530                         // even if the "visible" floats would be the same (e.g. if the user value is
 531                         // float(0.4)). See PHP docs about Comparing floats.
 532                         $selected = abs( $value - $options['days'] ) < 0.00001;
 533
 534                         $selectOptions .= Xml::option( $name, $value, $selected );
 535                 }
 536                 foreach ( $days as $d ) {
 537                         $name = $this->msg( 'days' )->numParams( $d );
 538                         $value = $d;
 539                         $selected = $value == $options['days'];
 540
 541                         $selectOptions .= Xml::option( $name, $value, $selected );
 542                 }
 543
 544                 // all option
 545                 $name = $this->msg( 'watchlistall2' );
 546                 $value = 0;
 547                 $selected = ( $value == $options['days'] ) ? true : false;
 548                 $selectOptions .= Xml::option( $name, $value, $selected );
 549
 550                 $attribs = array( "name" => "days", "id" => "days" );
 551                 return Xml::openElement( 'select', $attribs )
 552                         . "\n"
 553                         . $selectOptions
 554                         . "\n"
 555                         . Xml::closeElement( 'select' )
 556                         . "<br />\n";
 557         }
 558
 559         function setTopText( FormOptions $opts ) {
 560                 $nondefaults = $opts->getChangedValues();
 561                 $form = "";
 562                 $user = $this->getUser();
 563
 564                 $dbr = $this->getDB();
 565                 $numItems = $this->countItems( $dbr );
 566                 $showUpdatedMarker = $this->getConfig()->get( 'ShowUpdatedMarker' );
 567
 568                 // Show watchlist header
 569                 $form .= "<p>";
 570                 if ( $numItems == 0 ) {
 571                         $form .= $this->msg( 'nowatchlist' )->parse() . "\n";
 572                 } else {
 573                         $form .= $this->msg( 'watchlist-details' )->numParams( $numItems )->parse() . "\n";
 574                         if ( $this->getConfig()->get( 'EnotifWatchlist' )
 575                                 && $user->getOption( 'enotifwatchlistpages' )
 576                         ) {
 577                                 $form .= $this->msg( 'wlheader-enotif' )->parse() . "\n";
 578                         }
 579                         if ( $showUpdatedMarker ) {
 580                                 $form .= $this->msg( 'wlheader-showupdated' )->parse() . "\n";
 581                         }
 582                 }
 583                 $form .= "</p>";
 584
 585                 if ( $numItems > 0 && $showUpdatedMarker ) {
 586                         $form .= Xml::openElement( 'form', array( 'method' => 'post',
 587                                 'action' => $this->getPageTitle()->getLocalURL(),
 588                                 'id' => 'mw-watchlist-resetbutton' ) ) . "\n" .
 589                         Xml::submitButton( $this->msg( 'enotif_reset' )->text(), array( 'name' => 'dummy' ) ) . "\n" .
 590                         Html::hidden( 'reset', 'all' ) . "\n";
 591                         foreach ( $nondefaults as $key => $value ) {
 592                                 $form .= Html::hidden( $key, $value ) . "\n";
 593                         }
 594                         $form .= Xml::closeElement( 'form' ) . "\n";
 595                 }
 596
 597                 $form .= Xml::openElement( 'form', array(
 598                         'method' => 'get',
 599                         'action' => $this->getPageTitle()->getLocalURL(),
 600                         'id' => 'mw-watchlist-form'
 601                 ) );
 602                 $form .= Xml::fieldset(
 603                         $this->msg( 'watchlist-options' )->text(),
 604                         false,
 605                         array( 'id' => 'mw-watchlist-options' )
 606                 );
 607
 608                 $form .= SpecialRecentChanges::makeLegend( $this->getContext() );
 609
 610                 $this->getOutput()->addHTML( $form );
 611         }
 612
 613         protected function showHideCheck( $options, $message, $name, $value ) {
 614                 $options[$name] = 1 - (int)$value;
 615
 616                 return '<span class="mw-input-with-label">' . Xml::checkLabel(
 617                         $this->msg( $message, '' )->text(),
 618                         $name,
 619                         $name,
 620                         (int)$value
 621                 ) . '</span>';
 622         }
 623
 624         /**
 625          * Count the number of items on a user's watchlist
 626          *
 627          * @param IDatabase $dbr A database connection
 628          * @return int
 629          */
 630         protected function countItems( $dbr ) {
 631                 # Fetch the raw count
 632                 $rows = $dbr->select( 'watchlist', array( 'count' => 'COUNT(*)' ),
 633                         array( 'wl_user' => $this->getUser()->getId() ), __METHOD__ );
 634                 $row = $dbr->fetchObject( $rows );
 635                 $count = $row->count;
 636
 637                 return floor( $count / 2 );
 638         }
 639 }