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