includes/specials/SpecialMovepage.php

   1 <?php
   2 /**
   3  * Implements Special:Movepage
   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 allows users to change page titles
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class MovePageForm extends UnlistedSpecialPage {
  30
  31         /**
  32          * @var Title
  33          */
  34         var $oldTitle, $newTitle; # Objects
  35         var $reason; # Text input
  36         var $moveTalk, $deleteAndMove, $moveSubpages, $fixRedirects, $leaveRedirect, $moveOverShared; # Checks
  37
  38         private $watch = false;
  39
  40         public function __construct() {
  41                 parent::__construct( 'Movepage' );
  42         }
  43
  44         public function execute( $par ) {
  45                 # Check for database lock
  46                 if ( wfReadOnly() ) {
  47                         throw new ReadOnlyError;
  48                 }
  49
  50                 $this->setHeaders();
  51                 $this->outputHeader();
  52
  53                 $request = $this->getRequest();
  54                 $target = !is_null( $par ) ? $par : $request->getVal( 'target' );
  55
  56                 // Yes, the use of getVal() and getText() is wanted, see bug 20365
  57                 $oldTitleText = $request->getVal( 'wpOldTitle', $target );
  58                 $newTitleText = $request->getText( 'wpNewTitle' );
  59
  60                 $this->oldTitle = Title::newFromText( $oldTitleText );
  61                 $this->newTitle = Title::newFromText( $newTitleText );
  62
  63                 if( is_null( $this->oldTitle ) ) {
  64                         throw new ErrorPageError( 'notargettitle', 'notargettext' );
  65                 }
  66                 if( !$this->oldTitle->exists() ) {
  67                         throw new ErrorPageError( 'nopagetitle', 'nopagetext' );
  68                 }
  69
  70                 $user = $this->getUser();
  71
  72                 # Check rights
  73                 $permErrors = $this->oldTitle->getUserPermissionsErrors( 'move', $user );
  74                 if( !empty( $permErrors ) ) {
  75                         // Auto-block user's IP if the account was "hard" blocked
  76                         $user->spreadAnyEditBlock();
  77                         throw new PermissionsError( 'move', $permErrors );
  78                 }
  79
  80                 $def = !$request->wasPosted();
  81
  82                 $this->reason = $request->getText( 'wpReason' );
  83                 $this->moveTalk = $request->getBool( 'wpMovetalk', $def );
  84                 $this->fixRedirects = $request->getBool( 'wpFixRedirects', $def );
  85                 $this->leaveRedirect = $request->getBool( 'wpLeaveRedirect', $def );
  86                 $this->moveSubpages = $request->getBool( 'wpMovesubpages', false );
  87                 $this->deleteAndMove = $request->getBool( 'wpDeleteAndMove' ) && $request->getBool( 'wpConfirm' );
  88                 $this->moveOverShared = $request->getBool( 'wpMoveOverSharedFile', false );
  89                 $this->watch = $request->getCheck( 'wpWatch' ) && $user->isLoggedIn();
  90
  91                 if ( 'submit' == $request->getVal( 'action' ) && $request->wasPosted()
  92                         && $user->matchEditToken( $request->getVal( 'wpEditToken' ) ) ) {
  93                         $this->doSubmit();
  94                 } else {
  95                         $this->showForm( '' );
  96                 }
  97         }
  98
  99         /**
 100          * Show the form
 101          *
 102          * @param $err Mixed: error message. May either be a string message name or
 103          *    array message name and parameters, like the second argument to
 104          *    OutputPage::wrapWikiMsg().
 105          */
 106         function showForm( $err ) {
 107                 global $wgContLang, $wgFixDoubleRedirects, $wgMaximumMovedPages;
 108
 109                 $this->getSkin()->setRelevantTitle( $this->oldTitle );
 110
 111                 $oldTitleLink = Linker::link( $this->oldTitle );
 112
 113                 $out = $this->getOutput();
 114                 $out->setPageTitle( $this->msg( 'move-page', $this->oldTitle->getPrefixedText() ) );
 115                 $out->addModules( 'mediawiki.special.movePage' );
 116
 117                 $newTitle = $this->newTitle;
 118
 119                 if( !$newTitle ) {
 120                         # Show the current title as a default
 121                         # when the form is first opened.
 122                         $newTitle = $this->oldTitle;
 123                 }
 124                 else {
 125                         if( empty($err) ) {
 126                                 # If a title was supplied, probably from the move log revert
 127                                 # link, check for validity. We can then show some diagnostic
 128                                 # information and save a click.
 129                                 $newerr = $this->oldTitle->isValidMoveOperation( $newTitle );
 130                                 if( $newerr ) {
 131                                         $err = $newerr[0];
 132                                 }
 133                         }
 134                 }
 135
 136                 $user = $this->getUser();
 137
 138                 if ( !empty($err) && $err[0] == 'articleexists' && $user->isAllowed( 'delete' ) ) {
 139                         $out->addWikiMsg( 'delete_and_move_text', $newTitle->getPrefixedText() );
 140                         $movepagebtn = wfMsg( 'delete_and_move' );
 141                         $submitVar = 'wpDeleteAndMove';
 142                         $confirm = "
 143                                 <tr>
 144                                         <td></td>
 145                                         <td class='mw-input'>" .
 146                                                 Xml::checkLabel( wfMsg( 'delete_and_move_confirm' ), 'wpConfirm', 'wpConfirm' ) .
 147                                         "</td>
 148                                 </tr>";
 149                         $err = '';
 150                 } else {
 151                         if ($this->oldTitle->getNamespace() == NS_USER && !$this->oldTitle->isSubpage() ) {
 152                                 $out->wrapWikiMsg( "<div class=\"error mw-moveuserpage-warning\">\n$1\n</div>", 'moveuserpage-warning' );
 153                         }
 154                         $out->addWikiMsg( $wgFixDoubleRedirects ? 'movepagetext' :
 155                                 'movepagetext-noredirectfixer' );
 156                         $movepagebtn = wfMsg( 'movepagebtn' );
 157                         $submitVar = 'wpMove';
 158                         $confirm = false;
 159                 }
 160
 161                 if ( !empty($err) && $err[0] == 'file-exists-sharedrepo' && $user->isAllowed( 'reupload-shared' ) ) {
 162                         $out->addWikiMsg( 'move-over-sharedrepo', $newTitle->getPrefixedText() );
 163                         $submitVar = 'wpMoveOverSharedFile';
 164                         $err = '';
 165                 }
 166
 167                 $oldTalk = $this->oldTitle->getTalkPage();
 168                 $oldTitleSubpages = $this->oldTitle->hasSubpages();
 169                 $oldTitleTalkSubpages = $this->oldTitle->getTalkPage()->hasSubpages();
 170
 171                 $canMoveSubpage = ( $oldTitleSubpages || $oldTitleTalkSubpages ) &&
 172                         !count( $this->oldTitle->getUserPermissionsErrors( 'move-subpages', $user ) );
 173
 174                 # We also want to be able to move assoc. subpage talk-pages even if base page
 175                 # has no associated talk page, so || with $oldTitleTalkSubpages.
 176                 $considerTalk = !$this->oldTitle->isTalkPage() &&
 177                         ( $oldTalk->exists()
 178                                 || ( $oldTitleTalkSubpages && $canMoveSubpage ) );
 179
 180                 $dbr = wfGetDB( DB_SLAVE );
 181                 if ( $wgFixDoubleRedirects ) {
 182                         $hasRedirects = $dbr->selectField( 'redirect', '1',
 183                                 array(
 184                                         'rd_namespace' => $this->oldTitle->getNamespace(),
 185                                         'rd_title' => $this->oldTitle->getDBkey(),
 186                                 ) , __METHOD__ );
 187                 } else {
 188                         $hasRedirects = false;
 189                 }
 190
 191                 if ( $considerTalk ) {
 192                         $out->addWikiMsg( 'movepagetalktext' );
 193                 }
 194
 195                 $token = htmlspecialchars( $user->editToken() );
 196
 197                 if ( !empty($err) ) {
 198                         $out->addSubtitle( $this->msg( 'formerror' ) );
 199                         if( $err[0] == 'hookaborted' ) {
 200                                 $hookErr = $err[1];
 201                                 $errMsg = "<p><strong class=\"error\">$hookErr</strong></p>\n";
 202                                 $out->addHTML( $errMsg );
 203                         } else {
 204                                 $out->wrapWikiMsg( "<p><strong class=\"error\">\n$1\n</strong></p>", $err );
 205                         }
 206                 }
 207
 208                 if ( $this->oldTitle->isProtected( 'move' ) ) {
 209                         # Is the title semi-protected?
 210                         if ( $this->oldTitle->isSemiProtected( 'move' ) ) {
 211                                 $noticeMsg = 'semiprotectedpagemovewarning';
 212                                 $classes[] = 'mw-textarea-sprotected';
 213                         } else {
 214                                 # Then it must be protected based on static groups (regular)
 215                                 $noticeMsg = 'protectedpagemovewarning';
 216                                 $classes[] = 'mw-textarea-protected';
 217                         }
 218                         $out->addHTML( "<div class='mw-warning-with-logexcerpt'>\n" );
 219                         $out->addWikiMsg( $noticeMsg );
 220                         LogEventsList::showLogExtract( $out, 'protect', $this->oldTitle, '', array( 'lim' => 1 ) );
 221                         $out->addHTML( "</div>\n" );
 222                 }
 223
 224                 $out->addHTML(
 225                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getTitle()->getLocalURL( 'action=submit' ), 'id' => 'movepage' ) ) .
 226                          Xml::openElement( 'fieldset' ) .
 227                          Xml::element( 'legend', null, wfMsg( 'move-page-legend' ) ) .
 228                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-movepage-table' ) ) .
 229                          "<tr>
 230                                 <td class='mw-label'>" .
 231                                         wfMsgHtml( 'movearticle' ) .
 232                                 "</td>
 233                                 <td class='mw-input'>
 234                                         <strong>{$oldTitleLink}</strong>
 235                                 </td>
 236                         </tr>
 237                         <tr>
 238                                 <td class='mw-label'>" .
 239                                         Xml::label( wfMsg( 'newtitle' ), 'wpNewTitle' ) .
 240                                 "</td>
 241                                 <td class='mw-input'>" .
 242                                         Xml::input( 'wpNewTitle', 60, $wgContLang->recodeForEdit( $newTitle->getPrefixedText() ), array( 'type' => 'text', 'id' => 'wpNewTitle' ) ) .
 243                                         Html::hidden( 'wpOldTitle', $this->oldTitle->getPrefixedText() ) .
 244                                 "</td>
 245                         </tr>
 246                         <tr>
 247                                 <td class='mw-label'>" .
 248                                         Xml::label( wfMsg( 'movereason' ), 'wpReason' ) .
 249                                 "</td>
 250                                 <td class='mw-input'>" .
 251                                         Html::element( 'textarea', array( 'name' => 'wpReason', 'id' => 'wpReason', 'cols' => 60, 'rows' => 2,
 252                                         'maxlength' => 200 ), $this->reason ) . // maxlength byte limit is enforce in mediawiki.special.movePage.js
 253                                 "</td>
 254                         </tr>"
 255                 );
 256
 257                 if( $considerTalk ) {
 258                         $out->addHTML( "
 259                                 <tr>
 260                                         <td></td>
 261                                         <td class='mw-input'>" .
 262                                                 Xml::checkLabel( wfMsg( 'movetalk' ), 'wpMovetalk', 'wpMovetalk', $this->moveTalk ) .
 263                                         "</td>
 264                                 </tr>"
 265                         );
 266                 }
 267
 268                 if ( $user->isAllowed( 'suppressredirect' ) ) {
 269                         $out->addHTML( "
 270                                 <tr>
 271                                         <td></td>
 272                                         <td class='mw-input' >" .
 273                                                 Xml::checkLabel( wfMsg( 'move-leave-redirect' ), 'wpLeaveRedirect',
 274                                                         'wpLeaveRedirect', $this->leaveRedirect ) .
 275                                         "</td>
 276                                 </tr>"
 277                         );
 278                 }
 279
 280                 if ( $hasRedirects ) {
 281                         $out->addHTML( "
 282                                 <tr>
 283                                         <td></td>
 284                                         <td class='mw-input' >" .
 285                                                 Xml::checkLabel( wfMsg( 'fix-double-redirects' ), 'wpFixRedirects',
 286                                                         'wpFixRedirects', $this->fixRedirects ) .
 287                                         "</td>
 288                                 </tr>"
 289                         );
 290                 }
 291
 292                 if( $canMoveSubpage ) {
 293                         $out->addHTML( "
 294                                 <tr>
 295                                         <td></td>
 296                                         <td class=\"mw-input\">" .
 297                                 Xml::check(
 298                                         'wpMovesubpages',
 299                                         # Don't check the box if we only have talk subpages to
 300                                         # move and we aren't moving the talk page.
 301                                         $this->moveSubpages && ($this->oldTitle->hasSubpages() || $this->moveTalk),
 302                                         array( 'id' => 'wpMovesubpages' )
 303                                 ) . '&#160;' .
 304                                 Xml::tags( 'label', array( 'for' => 'wpMovesubpages' ),
 305                                         wfMsgExt(
 306                                                 ( $this->oldTitle->hasSubpages()
 307                                                         ? 'move-subpages'
 308                                                         : 'move-talk-subpages' ),
 309                                                 array( 'parseinline' ),
 310                                                 $this->getLang()->formatNum( $wgMaximumMovedPages ),
 311                                                 # $2 to allow use of PLURAL in message.
 312                                                 $wgMaximumMovedPages
 313                                         )
 314                                 ) .
 315                                         "</td>
 316                                 </tr>"
 317                         );
 318                 }
 319
 320                 $watchChecked = $user->isLoggedIn() && ($this->watch || $user->getBoolOption( 'watchmoves' )
 321                         || $this->oldTitle->userIsWatching());
 322                 # Don't allow watching if user is not logged in
 323                 if( $user->isLoggedIn() ) {
 324                         $out->addHTML( "
 325                         <tr>
 326                                 <td></td>
 327                                 <td class='mw-input'>" .
 328                                         Xml::checkLabel( wfMsg( 'move-watch' ), 'wpWatch', 'watch', $watchChecked ) .
 329                                 "</td>
 330                         </tr>");
 331                 }
 332
 333                 $out->addHTML( "
 334                                 {$confirm}
 335                         <tr>
 336                                 <td>&#160;</td>
 337                                 <td class='mw-submit'>" .
 338                                         Xml::submitButton( $movepagebtn, array( 'name' => $submitVar ) ) .
 339                                 "</td>
 340                         </tr>" .
 341                         Xml::closeElement( 'table' ) .
 342                         Html::hidden( 'wpEditToken', $token ) .
 343                         Xml::closeElement( 'fieldset' ) .
 344                         Xml::closeElement( 'form' ) .
 345                         "\n"
 346                 );
 347
 348                 $this->showLogFragment( $this->oldTitle );
 349                 $this->showSubpages( $this->oldTitle );
 350
 351         }
 352
 353         function doSubmit() {
 354                 global $wgMaximumMovedPages, $wgFixDoubleRedirects, $wgDeleteRevisionsLimit;
 355
 356                 $user = $this->getUser();
 357
 358                 if ( $user->pingLimiter( 'move' ) ) {
 359                         throw new ThrottledError;
 360                 }
 361
 362                 $ot = $this->oldTitle;
 363                 $nt = $this->newTitle;
 364
 365                 # Delete to make way if requested
 366                 if ( !count( $nt->getUserPermissionsErrors( 'delete', $user ) ) && $this->deleteAndMove ) {
 367                         $page = WikiPage::factory( $nt );
 368
 369                         # Disallow deletions of big articles
 370                         $bigHistory = $page->isBigDeletion();
 371                         if( $bigHistory && count( $nt->getUserPermissionsErrors( 'bigdelete', $user ) ) ) {
 372                                 $this->showForm( array( 'delete-toobig', $this->getLang()->formatNum( $wgDeleteRevisionsLimit ) ) );
 373                                 return;
 374                         }
 375
 376                         $reason = wfMessage( 'delete_and_move_reason', $ot )->inContentLanguage()->text();
 377
 378                         // Delete an associated image if there is
 379                         if ( $nt->getNamespace() == NS_FILE ) {
 380                                 $file = wfLocalFile( $nt );
 381                                 if ( $file->exists() ) {
 382                                         $file->delete( $reason, false );
 383                                 }
 384                         }
 385
 386                         $error = ''; // passed by ref
 387                         if ( !$page->doDeleteArticle( $reason, false, 0, true, $error, $user ) ) {
 388                                 $this->showForm( array( 'cannotdelete', wfEscapeWikiText( $nt->getPrefixedText() ) ) );
 389                                 return;
 390                         }
 391
 392                 }
 393
 394                 # don't allow moving to pages with # in
 395                 if ( !$nt || $nt->getFragment() != '' ) {
 396                         $this->showForm( 'badtitletext' );
 397                         return;
 398                 }
 399
 400                 # Show a warning if the target file exists on a shared repo
 401                 if ( $nt->getNamespace() == NS_FILE
 402                         && !( $this->moveOverShared && $user->isAllowed( 'reupload-shared' ) )
 403                         && !RepoGroup::singleton()->getLocalRepo()->findFile( $nt )
 404                         && wfFindFile( $nt ) )
 405                 {
 406                         $this->showForm( array('file-exists-sharedrepo') );
 407                         return;
 408
 409                 }
 410
 411                 if ( $user->isAllowed( 'suppressredirect' ) ) {
 412                         $createRedirect = $this->leaveRedirect;
 413                 } else {
 414                         $createRedirect = true;
 415                 }
 416
 417                 # Do the actual move.
 418                 $error = $ot->moveTo( $nt, true, $this->reason, $createRedirect );
 419                 if ( $error !== true ) {
 420                         # @todo FIXME: Show all the errors in a list, not just the first one
 421                         $this->showForm( reset( $error ) );
 422                         return;
 423                 }
 424
 425                 if ( $wgFixDoubleRedirects && $this->fixRedirects ) {
 426                         DoubleRedirectJob::fixRedirects( 'move', $ot, $nt );
 427                 }
 428
 429                 wfRunHooks( 'SpecialMovepageAfterMove', array( &$this, &$ot, &$nt ) );
 430
 431                 $out = $this->getOutput();
 432                 $out->setPagetitle( wfMsg( 'pagemovedsub' ) );
 433
 434                 $oldLink = Linker::link(
 435                         $ot,
 436                         null,
 437                         array(),
 438                         array( 'redirect' => 'no' )
 439                 );
 440                 $newLink = Linker::linkKnown( $nt );
 441                 $oldText = $ot->getPrefixedText();
 442                 $newText = $nt->getPrefixedText();
 443
 444                 $msgName = $createRedirect ? 'movepage-moved-redirect' : 'movepage-moved-noredirect';
 445                 $out->addHTML( wfMessage( 'movepage-moved' )->rawParams( $oldLink, $newLink, $oldText, $newText )->parseAsBlock() );
 446                 $out->addWikiMsg( $msgName );
 447
 448                 # Now we move extra pages we've been asked to move: subpages and talk
 449                 # pages.  First, if the old page or the new page is a talk page, we
 450                 # can't move any talk pages: cancel that.
 451                 if( $ot->isTalkPage() || $nt->isTalkPage() ) {
 452                         $this->moveTalk = false;
 453                 }
 454
 455                 if ( count( $ot->getUserPermissionsErrors( 'move-subpages', $user ) ) ) {
 456                         $this->moveSubpages = false;
 457                 }
 458
 459                 # Next make a list of id's.  This might be marginally less efficient
 460                 # than a more direct method, but this is not a highly performance-cri-
 461                 # tical code path and readable code is more important here.
 462                 #
 463                 # Note: this query works nicely on MySQL 5, but the optimizer in MySQL
 464                 # 4 might get confused.  If so, consider rewriting as a UNION.
 465                 #
 466                 # If the target namespace doesn't allow subpages, moving with subpages
 467                 # would mean that you couldn't move them back in one operation, which
 468                 # is bad.
 469                 # @todo FIXME: A specific error message should be given in this case.
 470
 471                 // @todo FIXME: Use Title::moveSubpages() here
 472                 $dbr = wfGetDB( DB_MASTER );
 473                 if( $this->moveSubpages && (
 474                         MWNamespace::hasSubpages( $nt->getNamespace() ) || (
 475                                 $this->moveTalk &&
 476                                 MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() )
 477                         )
 478                 ) ) {
 479                         $conds = array(
 480                                 'page_title' . $dbr->buildLike( $ot->getDBkey() . '/', $dbr->anyString() )
 481                                         .' OR page_title = ' . $dbr->addQuotes( $ot->getDBkey() )
 482                         );
 483                         $conds['page_namespace'] = array();
 484                         if( MWNamespace::hasSubpages( $nt->getNamespace() ) ) {
 485                                 $conds['page_namespace'] []= $ot->getNamespace();
 486                         }
 487                         if( $this->moveTalk && MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() ) ) {
 488                                 $conds['page_namespace'] []= $ot->getTalkPage()->getNamespace();
 489                         }
 490                 } elseif( $this->moveTalk ) {
 491                         $conds = array(
 492                                 'page_namespace' => $ot->getTalkPage()->getNamespace(),
 493                                 'page_title' => $ot->getDBkey()
 494                         );
 495                 } else {
 496                         # Skip the query
 497                         $conds = null;
 498                 }
 499
 500                 $extraPages = array();
 501                 if( !is_null( $conds ) ) {
 502                         $extraPages = TitleArray::newFromResult(
 503                                 $dbr->select( 'page',
 504                                         array( 'page_id', 'page_namespace', 'page_title' ),
 505                                         $conds,
 506                                         __METHOD__
 507                                 )
 508                         );
 509                 }
 510
 511                 $extraOutput = array();
 512                 $count = 1;
 513                 foreach( $extraPages as $oldSubpage ) {
 514                         if( $ot->equals( $oldSubpage ) ) {
 515                                 # Already did this one.
 516                                 continue;
 517                         }
 518
 519                         $newPageName = preg_replace(
 520                                 '#^'.preg_quote( $ot->getDBkey(), '#' ).'#',
 521                                 StringUtils::escapeRegexReplacement( $nt->getDBkey() ), # bug 21234
 522                                 $oldSubpage->getDBkey()
 523                         );
 524                         if( $oldSubpage->isTalkPage() ) {
 525                                 $newNs = $nt->getTalkPage()->getNamespace();
 526                         } else {
 527                                 $newNs = $nt->getSubjectPage()->getNamespace();
 528                         }
 529                         # Bug 14385: we need makeTitleSafe because the new page names may
 530                         # be longer than 255 characters.
 531                         $newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
 532                         if( !$newSubpage ) {
 533                                 $oldLink = Linker::linkKnown( $oldSubpage );
 534                                 $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink,
 535                                         htmlspecialchars(Title::makeName( $newNs, $newPageName )));
 536                                 continue;
 537                         }
 538
 539                         # This was copy-pasted from Renameuser, bleh.
 540                         if ( $newSubpage->exists() && !$oldSubpage->isValidMoveTarget( $newSubpage ) ) {
 541                                 $link = Linker::linkKnown( $newSubpage );
 542                                 $extraOutput []= wfMsgHtml( 'movepage-page-exists', $link );
 543                         } else {
 544                                 $success = $oldSubpage->moveTo( $newSubpage, true, $this->reason, $createRedirect );
 545                                 if( $success === true ) {
 546                                         if ( $this->fixRedirects ) {
 547                                                 DoubleRedirectJob::fixRedirects( 'move', $oldSubpage, $newSubpage );
 548                                         }
 549                                         $oldLink = Linker::link(
 550                                                 $oldSubpage,
 551                                                 null,
 552                                                 array(),
 553                                                 array( 'redirect' => 'no' )
 554                                         );
 555                                         $newLink = Linker::linkKnown( $newSubpage );
 556                                         $extraOutput []= wfMsgHtml( 'movepage-page-moved', $oldLink, $newLink );
 557                                         ++$count;
 558                                         if( $count >= $wgMaximumMovedPages ) {
 559                                                 $extraOutput []= wfMsgExt( 'movepage-max-pages', array( 'parsemag', 'escape' ), $this->getLang()->formatNum( $wgMaximumMovedPages ) );
 560                                                 break;
 561                                         }
 562                                 } else {
 563                                         $oldLink = Linker::linkKnown( $oldSubpage );
 564                                         $newLink = Linker::link( $newSubpage );
 565                                         $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink, $newLink );
 566                                 }
 567                         }
 568
 569                 }
 570
 571                 if( $extraOutput !== array() ) {
 572                         $out->addHTML( "<ul>\n<li>" . implode( "</li>\n<li>", $extraOutput ) . "</li>\n</ul>" );
 573                 }
 574
 575                 # Deal with watches (we don't watch subpages)
 576                 if( $this->watch && $user->isLoggedIn() ) {
 577                         $user->addWatch( $ot );
 578                         $user->addWatch( $nt );
 579                 } else {
 580                         $user->removeWatch( $ot );
 581                         $user->removeWatch( $nt );
 582                 }
 583
 584                 # Re-clear the file redirect cache, which may have been polluted by
 585                 # parsing in messages above. See CR r56745.
 586                 # @todo FIXME: Needs a more robust solution inside FileRepo.
 587                 if( $ot->getNamespace() == NS_FILE ) {
 588                         RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $ot );
 589                 }
 590         }
 591
 592         function showLogFragment( $title ) {
 593                 $out = $this->getOutput();
 594                 $out->addHTML( Xml::element( 'h2', null, LogPage::logName( 'move' ) ) );
 595                 LogEventsList::showLogExtract( $out, 'move', $title );
 596         }
 597
 598         function showSubpages( $title ) {
 599                 if( !MWNamespace::hasSubpages( $title->getNamespace() ) )
 600                         return;
 601
 602                 $subpages = $title->getSubpages();
 603                 $count = $subpages instanceof TitleArray ? $subpages->count() : 0;
 604
 605                 $out = $this->getOutput();
 606                 $out->wrapWikiMsg( '== $1 ==', array( 'movesubpage', $count ) );
 607
 608                 # No subpages.
 609                 if ( $count == 0 ) {
 610                         $out->addWikiMsg( 'movenosubpage' );
 611                         return;
 612                 }
 613
 614                 $out->addWikiMsg( 'movesubpagetext', $this->getLang()->formatNum( $count ) );
 615                 $out->addHTML( "<ul>\n" );
 616
 617                 foreach( $subpages as $subpage ) {
 618                         $link = Linker::link( $subpage );
 619                         $out->addHTML( "<li>$link</li>\n" );
 620                 }
 621                 $out->addHTML( "</ul>\n" );
 622         }
 623 }
 624