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