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