includes/specials/SpecialMovepage.php

   1 <?php
   2 /**
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 /**
  21  * Implements Special:Movepage
  22  * @ingroup SpecialPage
  23  */
  24 class MovePageForm extends UnlistedSpecialPage {
  25         var $oldTitle, $newTitle; # Objects
  26         var $reason; # Text input
  27         var $moveTalk, $deleteAndMove, $moveSubpages, $fixRedirects, $leaveRedirect, $moveOverShared; # Checks
  28
  29         private $watch = false;
  30
  31         public function __construct() {
  32                 parent::__construct( 'Movepage' );
  33         }
  34
  35         public function execute( $par ) {
  36                 global $wgUser, $wgOut, $wgRequest;
  37
  38                 # Check for database lock
  39                 if ( wfReadOnly() ) {
  40                         $wgOut->readOnlyPage();
  41                         return;
  42                 }
  43
  44                 $this->setHeaders();
  45                 $this->outputHeader();
  46
  47                 $target = !is_null( $par ) ? $par : $wgRequest->getVal( 'target' );
  48
  49                 // Yes, the use of getVal() and getText() is wanted, see bug 20365
  50                 $oldTitleText = $wgRequest->getVal( 'wpOldTitle', $target );
  51                 $newTitleText = $wgRequest->getText( 'wpNewTitle' );
  52
  53                 $this->oldTitle = Title::newFromText( $oldTitleText );
  54                 $this->newTitle = Title::newFromText( $newTitleText );
  55
  56                 if( is_null( $this->oldTitle ) ) {
  57                         $wgOut->showErrorPage( 'notargettitle', 'notargettext' );
  58                         return;
  59                 }
  60                 if( !$this->oldTitle->exists() ) {
  61                         $wgOut->showErrorPage( 'nopagetitle', 'nopagetext' );
  62                         return;
  63                 }
  64
  65                 # Check rights
  66                 $permErrors = $this->oldTitle->getUserPermissionsErrors( 'move', $wgUser );
  67                 if( !empty( $permErrors ) ) {
  68                         $wgOut->showPermissionsErrorPage( $permErrors );
  69                         return;
  70                 }
  71
  72                 $def = !$wgRequest->wasPosted();
  73
  74                 $this->reason = $wgRequest->getText( 'wpReason' );
  75                 $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', $def );
  76                 $this->fixRedirects = $wgRequest->getBool( 'wpFixRedirects', $def );
  77                 $this->leaveRedirect = $wgRequest->getBool( 'wpLeaveRedirect', $def );
  78                 $this->moveSubpages = $wgRequest->getBool( 'wpMovesubpages', false );
  79                 $this->deleteAndMove = $wgRequest->getBool( 'wpDeleteAndMove' ) && $wgRequest->getBool( 'wpConfirm' );
  80                 $this->moveOverShared = $wgRequest->getBool( 'wpMoveOverSharedFile', false );
  81                 $this->watch = $wgRequest->getCheck( 'wpWatch' ) && $wgUser->isLoggedIn();
  82
  83                 if ( 'submit' == $wgRequest->getVal( 'action' ) && $wgRequest->wasPosted()
  84                         && $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  85                         $this->doSubmit();
  86                 } else {
  87                         $this->showForm( '' );
  88                 }
  89         }
  90
  91         /**
  92          * Show the form
  93          *
  94          * @param $err Mixed: error message. May either be a string message name or
  95          *    array message name and parameters, like the second argument to
  96          *    OutputPage::wrapWikiMsg().
  97          */
  98         function showForm( $err ) {
  99                 global $wgOut, $wgUser, $wgContLang, $wgFixDoubleRedirects;
 100
 101                 $skin = $wgUser->getSkin();
 102
 103                 $oldTitleLink = $skin->link( $this->oldTitle );
 104
 105                 $wgOut->setPagetitle( wfMsg( 'move-page', $this->oldTitle->getPrefixedText() ) );
 106                 $wgOut->setSubtitle( wfMsg( 'move-page-backlink', $oldTitleLink ) );
 107
 108                 $newTitle = $this->newTitle;
 109
 110                 if( !$newTitle ) {
 111                         # Show the current title as a default
 112                         # when the form is first opened.
 113                         $newTitle = $this->oldTitle;
 114                 }
 115                 else {
 116                         if( empty($err) ) {
 117                                 # If a title was supplied, probably from the move log revert
 118                                 # link, check for validity. We can then show some diagnostic
 119                                 # information and save a click.
 120                                 $newerr = $this->oldTitle->isValidMoveOperation( $newTitle );
 121                                 if( $newerr ) {
 122                                         $err = $newerr[0];
 123                                 }
 124                         }
 125                 }
 126
 127                 if ( !empty($err) && $err[0] == 'articleexists' && $wgUser->isAllowed( 'delete' ) ) {
 128                         $wgOut->addWikiMsg( 'delete_and_move_text', $newTitle->getPrefixedText() );
 129                         $movepagebtn = wfMsg( 'delete_and_move' );
 130                         $submitVar = 'wpDeleteAndMove';
 131                         $confirm = "
 132                                 <tr>
 133                                         <td></td>
 134                                         <td class='mw-input'>" .
 135                                                 Xml::checkLabel( wfMsg( 'delete_and_move_confirm' ), 'wpConfirm', 'wpConfirm' ) .
 136                                         "</td>
 137                                 </tr>";
 138                         $err = '';
 139                 } else {
 140                         if ($this->oldTitle->getNamespace() == NS_USER && !$this->oldTitle->isSubpage() ) {
 141                                 $wgOut->wrapWikiMsg( "<div class=\"error mw-moveuserpage-warning\">\n$1\n</div>", 'moveuserpage-warning' );
 142                         }
 143                         $wgOut->addWikiMsg( 'movepagetext' );
 144                         $movepagebtn = wfMsg( 'movepagebtn' );
 145                         $submitVar = 'wpMove';
 146                         $confirm = false;
 147                 }
 148
 149                 if ( !empty($err) && $err[0] == 'file-exists-sharedrepo' && $wgUser->isAllowed( 'reupload-shared' ) ) {
 150                         $wgOut->addWikiMsg( 'move-over-sharedrepo', $newTitle->getPrefixedText() );
 151                         $submitVar = 'wpMoveOverSharedFile';
 152                         $err = '';
 153                 }
 154
 155                 $oldTalk = $this->oldTitle->getTalkPage();
 156                 $considerTalk = ( !$this->oldTitle->isTalkPage() && $oldTalk->exists() );
 157
 158                 $dbr = wfGetDB( DB_SLAVE );
 159                 if ( $wgFixDoubleRedirects ) {
 160                         $hasRedirects = $dbr->selectField( 'redirect', '1',
 161                                 array(
 162                                         'rd_namespace' => $this->oldTitle->getNamespace(),
 163                                         'rd_title' => $this->oldTitle->getDBkey(),
 164                                 ) , __METHOD__ );
 165                 } else {
 166                         $hasRedirects = false;
 167                 }
 168
 169                 if ( $considerTalk ) {
 170                         $wgOut->addWikiMsg( 'movepagetalktext' );
 171                 }
 172
 173                 $token = htmlspecialchars( $wgUser->editToken() );
 174
 175                 if ( !empty($err) ) {
 176                         $wgOut->setSubtitle( wfMsg( 'formerror' ) );
 177                         if( $err[0] == 'hookaborted' ) {
 178                                 $hookErr = $err[1];
 179                                 $errMsg = "<p><strong class=\"error\">$hookErr</strong></p>\n";
 180                                 $wgOut->addHTML( $errMsg );
 181                         } else {
 182                                 $wgOut->wrapWikiMsg( "<p><strong class=\"error\">\n$1\n</strong></p>", $err );
 183                         }
 184                 }
 185
 186                 if ( $this->oldTitle->isProtected( 'move' ) ) {
 187                         # Is the title semi-protected?
 188                         if ( $this->oldTitle->isSemiProtected( 'move' ) ) {
 189                                 $noticeMsg = 'semiprotectedpagemovewarning';
 190                                 $classes[] = 'mw-textarea-sprotected';
 191                         } else {
 192                                 # Then it must be protected based on static groups (regular)
 193                                 $noticeMsg = 'protectedpagemovewarning';
 194                                 $classes[] = 'mw-textarea-protected';
 195                         }
 196                         $wgOut->addHTML( "<div class='mw-warning-with-logexcerpt'>\n" );
 197                         $wgOut->addWikiMsg( $noticeMsg );
 198                         LogEventsList::showLogExtract( $wgOut, 'protect', $this->oldTitle->getPrefixedText(), '', array( 'lim' => 1 ) );
 199                         $wgOut->addHTML( "</div>\n" );
 200                 }
 201
 202                 $wgOut->addHTML(
 203                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getTitle()->getLocalURL( 'action=submit' ), 'id' => 'movepage' ) ) .
 204                          Xml::openElement( 'fieldset' ) .
 205                          Xml::element( 'legend', null, wfMsg( 'move-page-legend' ) ) .
 206                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-movepage-table' ) ) .
 207                          "<tr>
 208                                 <td class='mw-label'>" .
 209                                         wfMsgHtml( 'movearticle' ) .
 210                                 "</td>
 211                                 <td class='mw-input'>
 212                                         <strong>{$oldTitleLink}</strong>
 213                                 </td>
 214                         </tr>
 215                         <tr>
 216                                 <td class='mw-label'>" .
 217                                         Xml::label( wfMsg( 'newtitle' ), 'wpNewTitle' ) .
 218                                 "</td>
 219                                 <td class='mw-input'>" .
 220                                         Xml::input( 'wpNewTitle', 40, $wgContLang->recodeForEdit( $newTitle->getPrefixedText() ), array( 'type' => 'text', 'id' => 'wpNewTitle' ) ) .
 221                                         Xml::hidden( 'wpOldTitle', $this->oldTitle->getPrefixedText() ) .
 222                                 "</td>
 223                         </tr>
 224                         <tr>
 225                                 <td class='mw-label'>" .
 226                                         Xml::label( wfMsg( 'movereason' ), 'wpReason' ) .
 227                                 "</td>
 228                                 <td class='mw-input'>" .
 229                                         Html::element( 'textarea', array( 'name' => 'wpReason', 'id' => 'wpReason', 'cols' => 60, 'rows' => 2,
 230                                         'maxlength' => 200 ), $this->reason ) .
 231                                 "</td>
 232                         </tr>"
 233                 );
 234
 235                 if( $considerTalk ) {
 236                         $wgOut->addHTML( "
 237                                 <tr>
 238                                         <td></td>
 239                                         <td class='mw-input'>" .
 240                                                 Xml::checkLabel( wfMsg( 'movetalk' ), 'wpMovetalk', 'wpMovetalk', $this->moveTalk ) .
 241                                         "</td>
 242                                 </tr>"
 243                         );
 244                 }
 245
 246                 if ( $wgUser->isAllowed( 'suppressredirect' ) ) {
 247                         $wgOut->addHTML( "
 248                                 <tr>
 249                                         <td></td>
 250                                         <td class='mw-input' >" .
 251                                                 Xml::checkLabel( wfMsg( 'move-leave-redirect' ), 'wpLeaveRedirect',
 252                                                         'wpLeaveRedirect', $this->leaveRedirect ) .
 253                                         "</td>
 254                                 </tr>"
 255                         );
 256                 }
 257
 258                 if ( $hasRedirects ) {
 259                         $wgOut->addHTML( "
 260                                 <tr>
 261                                         <td></td>
 262                                         <td class='mw-input' >" .
 263                                                 Xml::checkLabel( wfMsg( 'fix-double-redirects' ), 'wpFixRedirects',
 264                                                         'wpFixRedirects', $this->fixRedirects ) .
 265                                         "</td>
 266                                 </tr>"
 267                         );
 268                 }
 269
 270                 if( ($this->oldTitle->hasSubpages() || $this->oldTitle->getTalkPage()->hasSubpages())
 271                         && $this->oldTitle->userCan( 'move-subpages' ) )
 272                 {
 273                         global $wgMaximumMovedPages, $wgLang;
 274
 275                         $wgOut->addHTML( "
 276                                 <tr>
 277                                         <td></td>
 278                                         <td class=\"mw-input\">" .
 279                                 Xml::check(
 280                                         'wpMovesubpages',
 281                                         # Don't check the box if we only have talk subpages to
 282                                         # move and we aren't moving the talk page.
 283                                         $this->moveSubpages && ($this->oldTitle->hasSubpages() || $this->moveTalk),
 284                                         array( 'id' => 'wpMovesubpages' )
 285                                 ) . '&#160;' .
 286                                 Xml::tags( 'label', array( 'for' => 'wpMovesubpages' ),
 287                                         wfMsgExt(
 288                                                 ( $this->oldTitle->hasSubpages()
 289                                                         ? 'move-subpages'
 290                                                         : 'move-talk-subpages' ),
 291                                                 array( 'parseinline' ),
 292                                                 $wgLang->formatNum( $wgMaximumMovedPages ),
 293                                                 # $2 to allow use of PLURAL in message.
 294                                                 $wgMaximumMovedPages
 295                                         )
 296                                 ) .
 297                                         "</td>
 298                                 </tr>"
 299                         );
 300                 }
 301
 302                 $watchChecked = $wgUser->isLoggedIn() && ($this->watch || $wgUser->getBoolOption( 'watchmoves' )
 303                         || $this->oldTitle->userIsWatching());
 304                 # Don't allow watching if user is not logged in
 305                 if( $wgUser->isLoggedIn() ) {
 306                         $wgOut->addHTML( "
 307                         <tr>
 308                                 <td></td>
 309                                 <td class='mw-input'>" .
 310                                         Xml::checkLabel( wfMsg( 'move-watch' ), 'wpWatch', 'watch', $watchChecked ) .
 311                                 "</td>
 312                         </tr>");
 313                 }
 314
 315                 $wgOut->addHTML( "
 316                                 {$confirm}
 317                         <tr>
 318                                 <td>&#160;</td>
 319                                 <td class='mw-submit'>" .
 320                                         Xml::submitButton( $movepagebtn, array( 'name' => $submitVar ) ) .
 321                                 "</td>
 322                         </tr>" .
 323                         Xml::closeElement( 'table' ) .
 324                         Xml::hidden( 'wpEditToken', $token ) .
 325                         Xml::closeElement( 'fieldset' ) .
 326                         Xml::closeElement( 'form' ) .
 327                         "\n"
 328                 );
 329
 330                 $this->showLogFragment( $this->oldTitle, $wgOut );
 331                 $this->showSubpages( $this->oldTitle, $wgOut );
 332
 333         }
 334
 335         function doSubmit() {
 336                 global $wgOut, $wgUser, $wgMaximumMovedPages, $wgLang;
 337                 global $wgFixDoubleRedirects;
 338
 339                 if ( $wgUser->pingLimiter( 'move' ) ) {
 340                         $wgOut->rateLimited();
 341                         return;
 342                 }
 343
 344                 $ot = $this->oldTitle;
 345                 $nt = $this->newTitle;
 346
 347                 # Delete to make way if requested
 348                 if ( $wgUser->isAllowed( 'delete' ) && $this->deleteAndMove ) {
 349                         $article = new Article( $nt );
 350
 351                         # Disallow deletions of big articles
 352                         $bigHistory = $article->isBigDeletion();
 353                         if( $bigHistory && !$nt->userCan( 'bigdelete' ) ) {
 354                                 global $wgDeleteRevisionsLimit;
 355                                 $this->showForm( array('delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
 356                                 return;
 357                         }
 358
 359                         // Delete an associated image if there is
 360                         $file = wfLocalFile( $nt );
 361                         if( $file->exists() ) {
 362                                 $file->delete( wfMsgForContent( 'delete_and_move_reason' ), false );
 363                         }
 364
 365                         // This may output an error message and exit
 366                         $article->doDelete( wfMsgForContent( 'delete_and_move_reason' ) );
 367                 }
 368
 369                 # don't allow moving to pages with # in
 370                 if ( !$nt || $nt->getFragment() != '' ) {
 371                         $this->showForm( 'badtitletext' );
 372                         return;
 373                 }
 374
 375                 # Show a warning if the target file exists on a shared repo
 376                 if ( $nt->getNamespace() == NS_FILE
 377                         && !( $this->moveOverShared && $wgUser->isAllowed( 'reupload-shared' ) )
 378                         && !RepoGroup::singleton()->getLocalRepo()->findFile( $nt )
 379                         && wfFindFile( $nt ) )
 380                 {
 381                         $this->showForm( array('file-exists-sharedrepo') );
 382                         return;
 383
 384                 }
 385
 386                 if ( $wgUser->isAllowed( 'suppressredirect' ) ) {
 387                         $createRedirect = $this->leaveRedirect;
 388                 } else {
 389                         $createRedirect = true;
 390                 }
 391
 392                 # Do the actual move.
 393                 $error = $ot->moveTo( $nt, true, $this->reason, $createRedirect );
 394                 if ( $error !== true ) {
 395                         # FIXME: show all the errors in a list, not just the first one
 396                         $this->showForm( reset( $error ) );
 397                         return;
 398                 }
 399
 400                 if ( $wgFixDoubleRedirects && $this->fixRedirects ) {
 401                         DoubleRedirectJob::fixRedirects( 'move', $ot, $nt );
 402                 }
 403
 404                 wfRunHooks( 'SpecialMovepageAfterMove', array( &$this , &$ot , &$nt ) ) ;
 405
 406                 $wgOut->setPagetitle( wfMsg( 'pagemovedsub' ) );
 407
 408                 $oldUrl = $ot->getFullUrl( 'redirect=no' );
 409                 $newUrl = $nt->getFullUrl();
 410                 $oldText = $ot->getPrefixedText();
 411                 $newText = $nt->getPrefixedText();
 412                 $oldLink = "<span class='plainlinks'>[$oldUrl $oldText]</span>";
 413                 $newLink = "<span class='plainlinks'>[$newUrl $newText]</span>";
 414
 415                 $msgName = $createRedirect ? 'movepage-moved-redirect' : 'movepage-moved-noredirect';
 416                 $wgOut->addWikiMsg( 'movepage-moved', $oldLink, $newLink, $oldText, $newText );
 417                 $wgOut->addWikiMsg( $msgName );
 418
 419                 # Now we move extra pages we've been asked to move: subpages and talk
 420                 # pages.  First, if the old page or the new page is a talk page, we
 421                 # can't move any talk pages: cancel that.
 422                 if( $ot->isTalkPage() || $nt->isTalkPage() ) {
 423                         $this->moveTalk = false;
 424                 }
 425
 426                 if( !$ot->userCan( 'move-subpages' ) ) {
 427                         $this->moveSubpages = false;
 428                 }
 429
 430                 # Next make a list of id's.  This might be marginally less efficient
 431                 # than a more direct method, but this is not a highly performance-cri-
 432                 # tical code path and readable code is more important here.
 433                 #
 434                 # Note: this query works nicely on MySQL 5, but the optimizer in MySQL
 435                 # 4 might get confused.  If so, consider rewriting as a UNION.
 436                 #
 437                 # If the target namespace doesn't allow subpages, moving with subpages
 438                 # would mean that you couldn't move them back in one operation, which
 439                 # is bad.  FIXME: A specific error message should be given in this
 440                 # case.
 441
 442                 // FIXME: Use Title::moveSubpages() here
 443                 $dbr = wfGetDB( DB_MASTER );
 444                 if( $this->moveSubpages && (
 445                         MWNamespace::hasSubpages( $nt->getNamespace() ) || (
 446                                 $this->moveTalk &&
 447                                 MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() )
 448                         )
 449                 ) ) {
 450                         $conds = array(
 451                                 'page_title' . $dbr->buildLike( $ot->getDBkey() . '/', $dbr->anyString() )
 452                                         .' OR page_title = ' . $dbr->addQuotes( $ot->getDBkey() )
 453                         );
 454                         $conds['page_namespace'] = array();
 455                         if( MWNamespace::hasSubpages( $nt->getNamespace() ) ) {
 456                                 $conds['page_namespace'] []= $ot->getNamespace();
 457                         }
 458                         if( $this->moveTalk && MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() ) ) {
 459                                 $conds['page_namespace'] []= $ot->getTalkPage()->getNamespace();
 460                         }
 461                 } elseif( $this->moveTalk ) {
 462                         $conds = array(
 463                                 'page_namespace' => $ot->getTalkPage()->getNamespace(),
 464                                 'page_title' => $ot->getDBkey()
 465                         );
 466                 } else {
 467                         # Skip the query
 468                         $conds = null;
 469                 }
 470
 471                 $extraPages = array();
 472                 if( !is_null( $conds ) ) {
 473                         $extraPages = TitleArray::newFromResult(
 474                                 $dbr->select( 'page',
 475                                         array( 'page_id', 'page_namespace', 'page_title' ),
 476                                         $conds,
 477                                         __METHOD__
 478                                 )
 479                         );
 480                 }
 481
 482                 $extraOutput = array();
 483                 $skin = $wgUser->getSkin();
 484                 $count = 1;
 485                 foreach( $extraPages as $oldSubpage ) {
 486                         if( $ot->equals( $oldSubpage ) ) {
 487                                 # Already did this one.
 488                                 continue;
 489                         }
 490
 491                         $newPageName = preg_replace(
 492                                 '#^'.preg_quote( $ot->getDBkey(), '#' ).'#',
 493                                 StringUtils::escapeRegexReplacement( $nt->getDBkey() ), # bug 21234
 494                                 $oldSubpage->getDBkey()
 495                         );
 496                         if( $oldSubpage->isTalkPage() ) {
 497                                 $newNs = $nt->getTalkPage()->getNamespace();
 498                         } else {
 499                                 $newNs = $nt->getSubjectPage()->getNamespace();
 500                         }
 501                         # Bug 14385: we need makeTitleSafe because the new page names may
 502                         # be longer than 255 characters.
 503                         $newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
 504                         if( !$newSubpage ) {
 505                                 $oldLink = $skin->linkKnown( $oldSubpage );
 506                                 $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink,
 507                                         htmlspecialchars(Title::makeName( $newNs, $newPageName )));
 508                                 continue;
 509                         }
 510
 511                         # This was copy-pasted from Renameuser, bleh.
 512                         if ( $newSubpage->exists() && !$oldSubpage->isValidMoveTarget( $newSubpage ) ) {
 513                                 $link = $skin->linkKnown( $newSubpage );
 514                                 $extraOutput []= wfMsgHtml( 'movepage-page-exists', $link );
 515                         } else {
 516                                 $success = $oldSubpage->moveTo( $newSubpage, true, $this->reason, $createRedirect );
 517                                 if( $success === true ) {
 518                                         if ( $this->fixRedirects ) {
 519                                                 DoubleRedirectJob::fixRedirects( 'move', $oldSubpage, $newSubpage );
 520                                         }
 521                                         $oldLink = $skin->linkKnown(
 522                                                 $oldSubpage,
 523                                                 null,
 524                                                 array(),
 525                                                 array( 'redirect' => 'no' )
 526                                         );
 527                                         $newLink = $skin->linkKnown( $newSubpage );
 528                                         $extraOutput []= wfMsgHtml( 'movepage-page-moved', $oldLink, $newLink );
 529                                         ++$count;
 530                                         if( $count >= $wgMaximumMovedPages ) {
 531                                                 $extraOutput []= wfMsgExt( 'movepage-max-pages', array( 'parsemag', 'escape' ), $wgLang->formatNum( $wgMaximumMovedPages ) );
 532                                                 break;
 533                                         }
 534                                 } else {
 535                                         $oldLink = $skin->linkKnown( $oldSubpage );
 536                                         $newLink = $skin->link( $newSubpage );
 537                                         $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink, $newLink );
 538                                 }
 539                         }
 540
 541                 }
 542
 543                 if( $extraOutput !== array() ) {
 544                         $wgOut->addHTML( "<ul>\n<li>" . implode( "</li>\n<li>", $extraOutput ) . "</li>\n</ul>" );
 545                 }
 546
 547                 # Deal with watches (we don't watch subpages)
 548                 if( $this->watch && $wgUser->isLoggedIn() ) {
 549                         $wgUser->addWatch( $ot );
 550                         $wgUser->addWatch( $nt );
 551                 } else {
 552                         $wgUser->removeWatch( $ot );
 553                         $wgUser->removeWatch( $nt );
 554                 }
 555
 556                 # Re-clear the file redirect cache, which may have been polluted by
 557                 # parsing in messages above. See CR r56745.
 558                 # FIXME: needs a more robust solution inside FileRepo.
 559                 if( $ot->getNamespace() == NS_FILE ) {
 560                         RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $ot );
 561                 }
 562         }
 563
 564         function showLogFragment( $title, &$out ) {
 565                 $out->addHTML( Xml::element( 'h2', null, LogPage::logName( 'move' ) ) );
 566                 LogEventsList::showLogExtract( $out, 'move', $title->getPrefixedText() );
 567         }
 568
 569         function showSubpages( $title, $out ) {
 570                 global $wgUser, $wgLang;
 571
 572                 if( !MWNamespace::hasSubpages( $title->getNamespace() ) )
 573                         return;
 574
 575                 $subpages = $title->getSubpages();
 576                 $count = $subpages instanceof TitleArray ? $subpages->count() : 0;
 577
 578                 $out->wrapWikiMsg( '== $1 ==', array( 'movesubpage', $count ) );
 579
 580                 # No subpages.
 581                 if ( $count == 0 ) {
 582                         $out->addWikiMsg( 'movenosubpage' );
 583                         return;
 584                 }
 585
 586                 $out->addWikiMsg( 'movesubpagetext', $wgLang->formatNum( $count ) );
 587                 $skin = $wgUser->getSkin();
 588                 $out->addHTML( "<ul>\n" );
 589
 590                 foreach( $subpages as $subpage ) {
 591                         $link = $skin->link( $subpage );
 592                         $out->addHTML( "<li>$link</li>\n" );
 593                 }
 594                 $out->addHTML( "</ul>\n" );
 595         }
 596 }
 597