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