includes/page/ImagePage.php

   1 <?php
   2 /**
   3  * Special handling for file description pages.
   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  */
  22
  23 use Wikimedia\Rdbms\ResultWrapper;
  24
  25 /**
  26  * Class for viewing MediaWiki file description pages
  27  *
  28  * @ingroup Media
  29  */
  30 class ImagePage extends Article {
  31         /** @var File */
  32         private $displayImg;
  33
  34         /** @var FileRepo */
  35         private $repo;
  36
  37         /** @var bool */
  38         private $fileLoaded;
  39
  40         /** @var bool */
  41         protected $mExtraDescription = false;
  42
  43         /**
  44          * @var WikiFilePage
  45          */
  46         protected $mPage;
  47
  48         /**
  49          * @param Title $title
  50          * @return WikiFilePage
  51          */
  52         protected function newPage( Title $title ) {
  53                 // Overload mPage with a file-specific page
  54                 return new WikiFilePage( $title );
  55         }
  56
  57         /**
  58          * @param File $file
  59          * @return void
  60          */
  61         public function setFile( $file ) {
  62                 $this->mPage->setFile( $file );
  63                 $this->displayImg = $file;
  64                 $this->fileLoaded = true;
  65         }
  66
  67         protected function loadFile() {
  68                 if ( $this->fileLoaded ) {
  69                         return;
  70                 }
  71                 $this->fileLoaded = true;
  72
  73                 $this->displayImg = $img = false;
  74
  75                 Hooks::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg ] );
  76                 if ( !$img ) { // not set by hook?
  77                         $img = wfFindFile( $this->getTitle() );
  78                         if ( !$img ) {
  79                                 $img = wfLocalFile( $this->getTitle() );
  80                         }
  81                 }
  82                 $this->mPage->setFile( $img );
  83                 if ( !$this->displayImg ) { // not set by hook?
  84                         $this->displayImg = $img;
  85                 }
  86                 $this->repo = $img->getRepo();
  87         }
  88
  89         /**
  90          * Handler for action=render
  91          * Include body text only; none of the image extras
  92          */
  93         public function render() {
  94                 $this->getContext()->getOutput()->setArticleBodyOnly( true );
  95                 parent::view();
  96         }
  97
  98         public function view() {
  99                 global $wgShowEXIF;
 100
 101                 $out = $this->getContext()->getOutput();
 102                 $request = $this->getContext()->getRequest();
 103                 $diff = $request->getVal( 'diff' );
 104                 $diffOnly = $request->getBool(
 105                         'diffonly',
 106                         $this->getContext()->getUser()->getOption( 'diffonly' )
 107                 );
 108
 109                 if ( $this->getTitle()->getNamespace() != NS_FILE || ( $diff !== null && $diffOnly ) ) {
 110                         parent::view();
 111                         return;
 112                 }
 113
 114                 $this->loadFile();
 115
 116                 if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) {
 117                         if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || $diff !== null ) {
 118                                 $request->setVal( 'diffonly', 'true' );
 119                         }
 120
 121                         parent::view();
 122                         return;
 123                 }
 124
 125                 if ( $wgShowEXIF && $this->displayImg->exists() ) {
 126                         // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 127                         $formattedMetadata = $this->displayImg->formatMetadata( $this->getContext() );
 128                         $showmeta = $formattedMetadata !== false;
 129                 } else {
 130                         $showmeta = false;
 131                 }
 132
 133                 if ( !$diff && $this->displayImg->exists() ) {
 134                         $out->addHTML( $this->showTOC( $showmeta ) );
 135                 }
 136
 137                 if ( !$diff ) {
 138                         $this->openShowImage();
 139                 }
 140
 141                 # No need to display noarticletext, we use our own message, output in openShowImage()
 142                 if ( $this->mPage->getId() ) {
 143                         # NS_FILE is in the user language, but this section (the actual wikitext)
 144                         # should be in page content language
 145                         $pageLang = $this->getTitle()->getPageViewLanguage();
 146                         $out->addHTML( Xml::openElement( 'div', [ 'id' => 'mw-imagepage-content',
 147                                 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
 148                                 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
 149
 150                         parent::view();
 151
 152                         $out->addHTML( Xml::closeElement( 'div' ) );
 153                 } else {
 154                         # Just need to set the right headers
 155                         $out->setArticleFlag( true );
 156                         $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 157                         $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 158                 }
 159
 160                 # Show shared description, if needed
 161                 if ( $this->mExtraDescription ) {
 162                         $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
 163                         if ( !$fol->isDisabled() ) {
 164                                 $out->addWikiTextAsInterface( $fol->plain() );
 165                         }
 166                         $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" );
 167                 }
 168
 169                 $this->closeShowImage();
 170                 $this->imageHistory();
 171                 // TODO: Cleanup the following
 172
 173                 $out->addHTML( Xml::element( 'h2',
 174                         [ 'id' => 'filelinks' ],
 175                                 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
 176                 $this->imageDupes();
 177                 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
 178                 # Yet we return metadata about the target. Definitely an issue in the FileRepo
 179                 $this->imageLinks();
 180
 181                 # Allow extensions to add something after the image links
 182                 $html = '';
 183                 Hooks::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
 184                 if ( $html ) {
 185                         $out->addHTML( $html );
 186                 }
 187
 188                 if ( $showmeta ) {
 189                         $out->addHTML( Xml::element(
 190                                 'h2',
 191                                 [ 'id' => 'metadata' ],
 192                                         $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
 193                         $out->addWikiTextAsInterface( $this->makeMetadataTable( $formattedMetadata ) );
 194                         $out->addModules( [ 'mediawiki.action.view.metadata' ] );
 195                 }
 196
 197                 // Add remote Filepage.css
 198                 if ( !$this->repo->isLocal() ) {
 199                         $css = $this->repo->getDescriptionStylesheetUrl();
 200                         if ( $css ) {
 201                                 $out->addStyle( $css );
 202                         }
 203                 }
 204
 205                 $out->addModuleStyles( [
 206                         'filepage', // always show the local local Filepage.css, T31277
 207                         'mediawiki.action.view.filepage', // Add MediaWiki styles for a file page
 208                 ] );
 209         }
 210
 211         /**
 212          * @return File
 213          */
 214         public function getDisplayedFile() {
 215                 $this->loadFile();
 216                 return $this->displayImg;
 217         }
 218
 219         /**
 220          * Create the TOC
 221          *
 222          * @param bool $metadata Whether or not to show the metadata link
 223          * @return string
 224          */
 225         protected function showTOC( $metadata ) {
 226                 $r = [
 227                         '<li><a href="#file">' . $this->getContext()->msg( 'file-anchor-link' )->escaped() . '</a></li>',
 228                         '<li><a href="#filehistory">' . $this->getContext()->msg( 'filehist' )->escaped() . '</a></li>',
 229                         '<li><a href="#filelinks">' . $this->getContext()->msg( 'imagelinks' )->escaped() . '</a></li>',
 230                 ];
 231
 232                 Hooks::run( 'ImagePageShowTOC', [ $this, &$r ] );
 233
 234                 if ( $metadata ) {
 235                         $r[] = '<li><a href="#metadata">' .
 236                                 $this->getContext()->msg( 'metadata' )->escaped() .
 237                                 '</a></li>';
 238                 }
 239
 240                 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
 241         }
 242
 243         /**
 244          * Make a table with metadata to be shown in the output page.
 245          *
 246          * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 247          *
 248          * @param array $metadata The array containing the Exif data
 249          * @return string The metadata table. This is treated as Wikitext (!)
 250          */
 251         protected function makeMetadataTable( $metadata ) {
 252                 $r = "<div class=\"mw-imagepage-section-metadata\">";
 253                 $r .= $this->getContext()->msg( 'metadata-help' )->plain();
 254                 // Intial state is collapsed
 255                 // see filepage.css and mediawiki.action.view.metadata module.
 256                 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata collapsed\">\n";
 257                 foreach ( $metadata as $type => $stuff ) {
 258                         foreach ( $stuff as $v ) {
 259                                 $class = str_replace( ' ', '_', $v['id'] );
 260                                 if ( $type == 'collapsed' ) {
 261                                         $class .= ' mw-metadata-collapsible';
 262                                 }
 263                                 $r .= Html::rawElement( 'tr',
 264                                         [ 'class' => $class ],
 265                                         Html::rawElement( 'th', [], $v['name'] )
 266                                                 . Html::rawElement( 'td', [], $v['value'] )
 267                                 );
 268                         }
 269                 }
 270                 $r .= "</table>\n</div>\n";
 271                 return $r;
 272         }
 273
 274         /**
 275          * Overloading Article's getEmptyPageParserOutput method.
 276          *
 277          * Omit noarticletext if sharedupload; text will be fetched from the
 278          * shared upload server if possible.
 279          *
 280          * @param ParserOptions $options
 281          * @return ParserOutput
 282          */
 283         public function getEmptyPageParserOutput( ParserOptions $options ) {
 284                 $this->loadFile();
 285                 if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getId() ) {
 286                         return new ParserOutput();
 287                 }
 288                 return parent::getEmptyPageParserOutput( $options );
 289         }
 290
 291         private function getLanguageForRendering( WebRequest $request, File $file ) {
 292                 $handler = $this->displayImg->getHandler();
 293                 if ( !$handler ) {
 294                         return null;
 295                 }
 296
 297                 $requestLanguage = $request->getVal( 'lang' );
 298                 if ( !is_null( $requestLanguage ) ) {
 299                         if ( $handler->validateParam( 'lang', $requestLanguage ) ) {
 300                                 return $requestLanguage;
 301                         }
 302                 }
 303
 304                 return $handler->getDefaultRenderLanguage( $this->displayImg );
 305         }
 306
 307         protected function openShowImage() {
 308                 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
 309
 310                 $this->loadFile();
 311                 $out = $this->getContext()->getOutput();
 312                 $user = $this->getContext()->getUser();
 313                 $lang = $this->getContext()->getLanguage();
 314                 $dirmark = $lang->getDirMarkEntity();
 315                 $request = $this->getContext()->getRequest();
 316
 317                 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
 318                 $maxWidth = $max[0];
 319                 $maxHeight = $max[1];
 320
 321                 if ( $this->displayImg->exists() ) {
 322                         # image
 323                         $page = $request->getIntOrNull( 'page' );
 324                         if ( is_null( $page ) ) {
 325                                 $params = [];
 326                                 $page = 1;
 327                         } else {
 328                                 $params = [ 'page' => $page ];
 329                         }
 330
 331                         $renderLang = $this->getLanguageForRendering( $request, $this->displayImg );
 332                         if ( !is_null( $renderLang ) ) {
 333                                 $params['lang'] = $renderLang;
 334                         }
 335
 336                         $width_orig = $this->displayImg->getWidth( $page );
 337                         $width = $width_orig;
 338                         $height_orig = $this->displayImg->getHeight( $page );
 339                         $height = $height_orig;
 340
 341                         $filename = wfEscapeWikiText( $this->displayImg->getName() );
 342                         $linktext = $filename;
 343
 344                         // Avoid PHP 7.1 warning from passing $this by reference
 345                         $imagePage = $this;
 346
 347                         Hooks::run( 'ImageOpenShowImageInlineBefore', [ &$imagePage, &$out ] );
 348
 349                         if ( $this->displayImg->allowInlineDisplay() ) {
 350                                 # image
 351                                 # "Download high res version" link below the image
 352                                 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
 353                                 #   Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
 354                                 # We'll show a thumbnail of this image
 355                                 if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
 356                                         list( $width, $height ) = $this->getDisplayWidthHeight(
 357                                                 $maxWidth, $maxHeight, $width, $height
 358                                         );
 359                                         $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
 360
 361                                         $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
 362                                         # Generate thumbnails or thumbnail links as needed...
 363                                         $otherSizes = [];
 364                                         foreach ( $thumbSizes as $size ) {
 365                                                 // We include a thumbnail size in the list, if it is
 366                                                 // less than or equal to the original size of the image
 367                                                 // asset ($width_orig/$height_orig). We also exclude
 368                                                 // the current thumbnail's size ($width/$height)
 369                                                 // since that is added to the message separately, so
 370                                                 // it can be denoted as the current size being shown.
 371                                                 // Vectorized images are limited by $wgSVGMaxSize big,
 372                                                 // so all thumbs less than or equal that are shown.
 373                                                 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
 374                                                                 || ( $this->displayImg->isVectorized()
 375                                                                         && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
 376                                                         )
 377                                                         && $size[0] != $width && $size[1] != $height
 378                                                 ) {
 379                                                         $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
 380                                                         if ( $sizeLink ) {
 381                                                                 $otherSizes[] = $sizeLink;
 382                                                         }
 383                                                 }
 384                                         }
 385                                         $otherSizes = array_unique( $otherSizes );
 386
 387                                         $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
 388                                         $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
 389                                         if ( count( $otherSizes ) ) {
 390                                                 $msgsmall .= ' ' .
 391                                                 Html::rawElement(
 392                                                         'span',
 393                                                         [ 'class' => 'mw-filepage-other-resolutions' ],
 394                                                         $this->getContext()->msg( 'show-big-image-other' )
 395                                                                 ->rawParams( $lang->pipeList( $otherSizes ) )
 396                                                                 ->params( count( $otherSizes ) )
 397                                                                 ->parse()
 398                                                 );
 399                                         }
 400                                 } elseif ( $width == 0 && $height == 0 ) {
 401                                         # Some sort of audio file that doesn't have dimensions
 402                                         # Don't output a no hi res message for such a file
 403                                         $msgsmall = '';
 404                                 } else {
 405                                         # Image is small enough to show full size on image page
 406                                         $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
 407                                 }
 408
 409                                 $params['width'] = $width;
 410                                 $params['height'] = $height;
 411                                 $thumbnail = $this->displayImg->transform( $params );
 412                                 Linker::processResponsiveImages( $this->displayImg, $thumbnail, $params );
 413
 414                                 $anchorclose = Html::rawElement(
 415                                         'div',
 416                                         [ 'class' => 'mw-filepage-resolutioninfo' ],
 417                                         $msgsmall
 418                                 );
 419
 420                                 $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
 421                                 if ( $isMulti ) {
 422                                         $out->addModules( 'mediawiki.page.image.pagination' );
 423                                         $out->addHTML( '<table class="multipageimage"><tr><td>' );
 424                                 }
 425
 426                                 if ( $thumbnail ) {
 427                                         $options = [
 428                                                 'alt' => $this->displayImg->getTitle()->getPrefixedText(),
 429                                                 'file-link' => true,
 430                                         ];
 431                                         $out->addHTML( '<div class="fullImageLink" id="file">' .
 432                                                 $thumbnail->toHtml( $options ) .
 433                                                 $anchorclose . "</div>\n" );
 434                                 }
 435
 436                                 if ( $isMulti ) {
 437                                         $count = $this->displayImg->pageCount();
 438
 439                                         if ( $page > 1 ) {
 440                                                 $label = $this->getContext()->msg( 'imgmultipageprev' )->text();
 441                                                 // on the client side, this link is generated in ajaxifyPageNavigation()
 442                                                 // in the mediawiki.page.image.pagination module
 443                                                 $link = Linker::linkKnown(
 444                                                         $this->getTitle(),
 445                                                         htmlspecialchars( $label ),
 446                                                         [],
 447                                                         [ 'page' => $page - 1 ]
 448                                                 );
 449                                                 $thumb1 = Linker::makeThumbLinkObj(
 450                                                         $this->getTitle(),
 451                                                         $this->displayImg,
 452                                                         $link,
 453                                                         $label,
 454                                                         'none',
 455                                                         [ 'page' => $page - 1 ]
 456                                                 );
 457                                         } else {
 458                                                 $thumb1 = '';
 459                                         }
 460
 461                                         if ( $page < $count ) {
 462                                                 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
 463                                                 $link = Linker::linkKnown(
 464                                                         $this->getTitle(),
 465                                                         htmlspecialchars( $label ),
 466                                                         [],
 467                                                         [ 'page' => $page + 1 ]
 468                                                 );
 469                                                 $thumb2 = Linker::makeThumbLinkObj(
 470                                                         $this->getTitle(),
 471                                                         $this->displayImg,
 472                                                         $link,
 473                                                         $label,
 474                                                         'none',
 475                                                         [ 'page' => $page + 1 ]
 476                                                 );
 477                                         } else {
 478                                                 $thumb2 = '';
 479                                         }
 480
 481                                         global $wgScript;
 482
 483                                         $formParams = [
 484                                                 'name' => 'pageselector',
 485                                                 'action' => $wgScript,
 486                                         ];
 487                                         $options = [];
 488                                         for ( $i = 1; $i <= $count; $i++ ) {
 489                                                 $options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page );
 490                                         }
 491                                         $select = Xml::tags( 'select',
 492                                                 [ 'id' => 'pageselector', 'name' => 'page' ],
 493                                                 implode( "\n", $options ) );
 494
 495                                         $out->addHTML(
 496                                                 '</td><td><div class="multipageimagenavbox">' .
 497                                                 Xml::openElement( 'form', $formParams ) .
 498                                                 Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 499                                                 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
 500                                                 $this->getContext()->msg( 'word-separator' )->escaped() .
 501                                                 Xml::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
 502                                                 Xml::closeElement( 'form' ) .
 503                                                 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
 504                                         );
 505                                 }
 506                         } elseif ( $this->displayImg->isSafeFile() ) {
 507                                 # if direct link is allowed but it's not a renderable image, show an icon.
 508                                 $icon = $this->displayImg->iconThumb();
 509
 510                                 $out->addHTML( '<div class="fullImageLink" id="file">' .
 511                                         $icon->toHtml( [ 'file-link' => true ] ) .
 512                                         "</div>\n" );
 513                         }
 514
 515                         $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg->getLongDesc() )->text();
 516
 517                         $handler = $this->displayImg->getHandler();
 518
 519                         // If this is a filetype with potential issues, warn the user.
 520                         if ( $handler ) {
 521                                 $warningConfig = $handler->getWarningConfig( $this->displayImg );
 522
 523                                 if ( $warningConfig !== null ) {
 524                                         // The warning will be displayed via CSS and JavaScript.
 525                                         // We just need to tell the client side what message to use.
 526                                         $output = $this->getContext()->getOutput();
 527                                         $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
 528                                         $output->addModules( $warningConfig['module'] );
 529                                         $output->addModules( 'mediawiki.filewarning' );
 530                                 }
 531                         }
 532
 533                         $medialink = "[[Media:$filename|$linktext]]";
 534
 535                         if ( !$this->displayImg->isSafeFile() ) {
 536                                 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
 537                                 // dirmark is needed here to separate the file name, which
 538                                 // most likely ends in Latin characters, from the description,
 539                                 // which may begin with the file type. In RTL environment
 540                                 // this will get messy.
 541                                 // The dirmark, however, must not be immediately adjacent
 542                                 // to the filename, because it can get copied with it.
 543                                 // See T27277.
 544                                 // phpcs:disable Generic.Files.LineLength
 545                                 $out->wrapWikiTextAsInterface( 'fullMedia', <<<EOT
 546 <span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span>
 547 EOT
 548                                 );
 549                                 // phpcs:enable
 550                                 $out->wrapWikiTextAsInterface( 'mediaWarning', $warning );
 551                         } else {
 552                                 $out->wrapWikiTextAsInterface( 'fullMedia', <<<EOT
 553 {$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
 554 EOT
 555                                 );
 556                         }
 557
 558                         $renderLangOptions = $this->displayImg->getAvailableLanguages();
 559                         if ( count( $renderLangOptions ) >= 1 ) {
 560                                 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $renderLang ) );
 561                         }
 562
 563                         // Add cannot animate thumbnail warning
 564                         if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) {
 565                                 // Include the extension so wiki admins can
 566                                 // customize it on a per file-type basis
 567                                 // (aka say things like use format X instead).
 568                                 // additionally have a specific message for
 569                                 // file-no-thumb-animation-gif
 570                                 $ext = $this->displayImg->getExtension();
 571                                 $noAnimMesg = wfMessageFallback(
 572                                         'file-no-thumb-animation-' . $ext,
 573                                         'file-no-thumb-animation'
 574                                 )->plain();
 575
 576                                 $out->wrapWikiTextAsInterface( 'mw-noanimatethumb', $noAnimMesg );
 577                         }
 578
 579                         if ( !$this->displayImg->isLocal() ) {
 580                                 $this->printSharedImageText();
 581                         }
 582                 } else {
 583                         # Image does not exist
 584                         if ( !$this->getId() ) {
 585                                 $dbr = wfGetDB( DB_REPLICA );
 586
 587                                 # No article exists either
 588                                 # Show deletion log to be consistent with normal articles
 589                                 LogEventsList::showLogExtract(
 590                                         $out,
 591                                         [ 'delete', 'move', 'protect' ],
 592                                         $this->getTitle()->getPrefixedText(),
 593                                         '',
 594                                         [ 'lim' => 10,
 595                                                 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
 596                                                 'showIfEmpty' => false,
 597                                                 'msgKey' => [ 'moveddeleted-notice' ]
 598                                         ]
 599                                 );
 600                         }
 601
 602                         if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
 603                                 // Only show an upload link if the user can upload
 604                                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 605                                 $nofile = [
 606                                         'filepage-nofile-link',
 607                                         $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage->getFile()->getName() ] )
 608                                 ];
 609                         } else {
 610                                 $nofile = 'filepage-nofile';
 611                         }
 612                         // Note, if there is an image description page, but
 613                         // no image, then this setRobotPolicy is overridden
 614                         // by Article::View().
 615                         $out->setRobotPolicy( 'noindex,nofollow' );
 616                         $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
 617                         if ( !$this->getId() && $wgSend404Code ) {
 618                                 // If there is no image, no shared image, and no description page,
 619                                 // output a 404, to be consistent with Article::showMissingArticle.
 620                                 $request->response()->statusHeader( 404 );
 621                         }
 622                 }
 623                 $out->setFileVersion( $this->displayImg );
 624         }
 625
 626         /**
 627          * Make the text under the image to say what size preview
 628          *
 629          * @param array $params parameters for thumbnail
 630          * @param string $sizeLinkBigImagePreview HTML for the current size
 631          * @return string HTML output
 632          */
 633         protected function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
 634                 if ( $sizeLinkBigImagePreview ) {
 635                         // Show a different message of preview is different format from original.
 636                         $previewTypeDiffers = false;
 637                         $origExt = $thumbExt = $this->displayImg->getExtension();
 638                         if ( $this->displayImg->getHandler() ) {
 639                                 $origMime = $this->displayImg->getMimeType();
 640                                 $typeParams = $params;
 641                                 $this->displayImg->getHandler()->normaliseParams( $this->displayImg, $typeParams );
 642                                 list( $thumbExt, $thumbMime ) = $this->displayImg->getHandler()->getThumbType(
 643                                         $origExt, $origMime, $typeParams );
 644                                 if ( $thumbMime !== $origMime ) {
 645                                         $previewTypeDiffers = true;
 646                                 }
 647                         }
 648                         if ( $previewTypeDiffers ) {
 649                                 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
 650                                         rawParams( $sizeLinkBigImagePreview )->
 651                                         params( strtoupper( $origExt ) )->
 652                                         params( strtoupper( $thumbExt ) )->
 653                                         parse();
 654                         } else {
 655                                 return $this->getContext()->msg( 'show-big-image-preview' )->
 656                                         rawParams( $sizeLinkBigImagePreview )->
 657                                 parse();
 658                         }
 659                 } else {
 660                         return '';
 661                 }
 662         }
 663
 664         /**
 665          * Creates an thumbnail of specified size and returns an HTML link to it
 666          * @param array $params Scaler parameters
 667          * @param int $width
 668          * @param int $height
 669          * @return string
 670          */
 671         protected function makeSizeLink( $params, $width, $height ) {
 672                 $params['width'] = $width;
 673                 $params['height'] = $height;
 674                 $thumbnail = $this->displayImg->transform( $params );
 675                 if ( $thumbnail && !$thumbnail->isError() ) {
 676                         return Html::rawElement( 'a', [
 677                                 'href' => $thumbnail->getUrl(),
 678                                 'class' => 'mw-thumbnail-link'
 679                                 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
 680                                         $thumbnail->getWidth(), $thumbnail->getHeight()
 681                                 )->parse() );
 682                 } else {
 683                         return '';
 684                 }
 685         }
 686
 687         /**
 688          * Show a notice that the file is from a shared repository
 689          */
 690         protected function printSharedImageText() {
 691                 $out = $this->getContext()->getOutput();
 692                 $this->loadFile();
 693
 694                 $descUrl = $this->mPage->getFile()->getDescriptionUrl();
 695                 $descText = $this->mPage->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
 696
 697                 /* Add canonical to head if there is no local page for this shared file */
 698                 if ( $descUrl && $this->mPage->getId() == 0 ) {
 699                         $out->setCanonicalUrl( $descUrl );
 700                 }
 701
 702                 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
 703                 $repo = $this->mPage->getFile()->getRepo()->getDisplayName();
 704
 705                 if ( $descUrl &&
 706                         $descText &&
 707                         $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
 708                 ) {
 709                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
 710                 } elseif ( $descUrl &&
 711                         $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
 712                 ) {
 713                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
 714                 } else {
 715                         $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
 716                 }
 717
 718                 if ( $descText ) {
 719                         $this->mExtraDescription = $descText;
 720                 }
 721         }
 722
 723         public function getUploadUrl() {
 724                 $this->loadFile();
 725                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 726                 return $uploadTitle->getFullURL( [
 727                         'wpDestFile' => $this->mPage->getFile()->getName(),
 728                         'wpForReUpload' => 1
 729                 ] );
 730         }
 731
 732         /**
 733          * Print out the various links at the bottom of the image page, e.g. reupload,
 734          * external editing (and instructions link) etc.
 735          */
 736         protected function uploadLinksBox() {
 737                 global $wgEnableUploads;
 738
 739                 if ( !$wgEnableUploads ) {
 740                         return;
 741                 }
 742
 743                 $this->loadFile();
 744                 if ( !$this->mPage->getFile()->isLocal() ) {
 745                         return;
 746                 }
 747
 748                 $out = $this->getContext()->getOutput();
 749                 $out->addHTML( "<ul>\n" );
 750
 751                 # "Upload a new version of this file" link
 752                 $canUpload = $this->getTitle()->quickUserCan( 'upload', $this->getContext()->getUser() );
 753                 if ( $canUpload && UploadBase::userCanReUpload(
 754                                 $this->getContext()->getUser(),
 755                                 $this->mPage->getFile() )
 756                 ) {
 757                         $ulink = Linker::makeExternalLink(
 758                                 $this->getUploadUrl(),
 759                                 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
 760                         );
 761                         $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
 762                                 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
 763                 } else {
 764                         $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
 765                                 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
 766                 }
 767
 768                 $out->addHTML( "</ul>\n" );
 769         }
 770
 771         /**
 772          * For overloading
 773          */
 774         protected function closeShowImage() {
 775         }
 776
 777         /**
 778          * If the page we've just displayed is in the "Image" namespace,
 779          * we follow it with an upload history of the image and its usage.
 780          */
 781         protected function imageHistory() {
 782                 $this->loadFile();
 783                 $out = $this->getContext()->getOutput();
 784                 $pager = new ImageHistoryPseudoPager( $this );
 785                 $out->addHTML( $pager->getBody() );
 786                 $out->preventClickjacking( $pager->getPreventClickjacking() );
 787
 788                 $this->mPage->getFile()->resetHistory(); // free db resources
 789
 790                 # Exist check because we don't want to show this on pages where an image
 791                 # doesn't exist along with the noimage message, that would suck. -ævar
 792                 if ( $this->mPage->getFile()->exists() ) {
 793                         $this->uploadLinksBox();
 794                 }
 795         }
 796
 797         /**
 798          * @param string $target
 799          * @param int $limit
 800          * @return ResultWrapper
 801          */
 802         protected function queryImageLinks( $target, $limit ) {
 803                 $dbr = wfGetDB( DB_REPLICA );
 804
 805                 return $dbr->select(
 806                         [ 'imagelinks', 'page' ],
 807                         [ 'page_namespace', 'page_title', 'il_to' ],
 808                         [ 'il_to' => $target, 'il_from = page_id' ],
 809                         __METHOD__,
 810                         [ 'LIMIT' => $limit + 1, 'ORDER BY' => 'il_from', ]
 811                 );
 812         }
 813
 814         protected function imageLinks() {
 815                 $limit = 100;
 816
 817                 $out = $this->getContext()->getOutput();
 818
 819                 $rows = [];
 820                 $redirects = [];
 821                 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE ) as $redir ) {
 822                         $redirects[$redir->getDBkey()] = [];
 823                         $rows[] = (object)[
 824                                 'page_namespace' => NS_FILE,
 825                                 'page_title' => $redir->getDBkey(),
 826                         ];
 827                 }
 828
 829                 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit + 1 );
 830                 foreach ( $res as $row ) {
 831                         $rows[] = $row;
 832                 }
 833                 $count = count( $rows );
 834
 835                 $hasMore = $count > $limit;
 836                 if ( !$hasMore && count( $redirects ) ) {
 837                         $res = $this->queryImageLinks( array_keys( $redirects ),
 838                                 $limit - count( $rows ) + 1 );
 839                         foreach ( $res as $row ) {
 840                                 $redirects[$row->il_to][] = $row;
 841                                 $count++;
 842                         }
 843                         $hasMore = ( $res->numRows() + count( $rows ) ) > $limit;
 844                 }
 845
 846                 if ( $count == 0 ) {
 847                         $out->wrapWikiMsg(
 848                                 Html::rawElement( 'div',
 849                                         [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
 850                                 'nolinkstoimage'
 851                         );
 852                         return;
 853                 }
 854
 855                 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
 856                 if ( !$hasMore ) {
 857                         $out->addWikiMsg( 'linkstoimage', $count );
 858                 } else {
 859                         // More links than the limit. Add a link to [[Special:Whatlinkshere]]
 860                         $out->addWikiMsg( 'linkstoimage-more',
 861                                 $this->getContext()->getLanguage()->formatNum( $limit ),
 862                                 $this->getTitle()->getPrefixedDBkey()
 863                         );
 864                 }
 865
 866                 $out->addHTML(
 867                         Html::openElement( 'ul',
 868                                 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
 869                 );
 870                 $count = 0;
 871
 872                 // Sort the list by namespace:title
 873                 usort( $rows, [ $this, 'compare' ] );
 874
 875                 // Create links for every element
 876                 $currentCount = 0;
 877                 foreach ( $rows as $element ) {
 878                         $currentCount++;
 879                         if ( $currentCount > $limit ) {
 880                                 break;
 881                         }
 882
 883                         $query = [];
 884                         # Add a redirect=no to make redirect pages reachable
 885                         if ( isset( $redirects[$element->page_title] ) ) {
 886                                 $query['redirect'] = 'no';
 887                         }
 888                         $link = Linker::linkKnown(
 889                                 Title::makeTitle( $element->page_namespace, $element->page_title ),
 890                                 null, [], $query
 891                         );
 892                         if ( !isset( $redirects[$element->page_title] ) ) {
 893                                 # No redirects
 894                                 $liContents = $link;
 895                         } elseif ( count( $redirects[$element->page_title] ) === 0 ) {
 896                                 # Redirect without usages
 897                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
 898                                         ->rawParams( $link, '' )
 899                                         ->parse();
 900                         } else {
 901                                 # Redirect with usages
 902                                 $li = '';
 903                                 foreach ( $redirects[$element->page_title] as $row ) {
 904                                         $currentCount++;
 905                                         if ( $currentCount > $limit ) {
 906                                                 break;
 907                                         }
 908
 909                                         $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) );
 910                                         $li .= Html::rawElement(
 911                                                 'li',
 912                                                 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 913                                                 $link2
 914                                                 ) . "\n";
 915                                 }
 916
 917                                 $ul = Html::rawElement(
 918                                         'ul',
 919                                         [ 'class' => 'mw-imagepage-redirectstofile' ],
 920                                         $li
 921                                         ) . "\n";
 922                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
 923                                         $link, $ul )->parse();
 924                         }
 925                         $out->addHTML( Html::rawElement(
 926                                         'li',
 927                                         [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 928                                         $liContents
 929                                 ) . "\n"
 930                         );
 931
 932                 };
 933                 $out->addHTML( Html::closeElement( 'ul' ) . "\n" );
 934                 $res->free();
 935
 936                 // Add a links to [[Special:Whatlinkshere]]
 937                 if ( $count > $limit ) {
 938                         $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
 939                 }
 940                 $out->addHTML( Html::closeElement( 'div' ) . "\n" );
 941         }
 942
 943         protected function imageDupes() {
 944                 $this->loadFile();
 945                 $out = $this->getContext()->getOutput();
 946
 947                 $dupes = $this->mPage->getDuplicates();
 948                 if ( count( $dupes ) == 0 ) {
 949                         return;
 950                 }
 951
 952                 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
 953                 $out->addWikiMsg( 'duplicatesoffile',
 954                         $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
 955                 );
 956                 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
 957
 958                 /**
 959                  * @var $file File
 960                  */
 961                 foreach ( $dupes as $file ) {
 962                         $fromSrc = '';
 963                         if ( $file->isLocal() ) {
 964                                 $link = Linker::linkKnown( $file->getTitle() );
 965                         } else {
 966                                 $link = Linker::makeExternalLink( $file->getDescriptionUrl(),
 967                                         $file->getTitle()->getPrefixedText() );
 968                                 $fromSrc = $this->getContext()->msg(
 969                                         'shared-repo-from',
 970                                         $file->getRepo()->getDisplayName()
 971                                 )->escaped();
 972                         }
 973                         $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
 974                 }
 975                 $out->addHTML( "</ul></div>\n" );
 976         }
 977
 978         /**
 979          * Delete the file, or an earlier version of it
 980          */
 981         public function delete() {
 982                 $file = $this->mPage->getFile();
 983                 if ( !$file->exists() || !$file->isLocal() || $file->getRedirected() ) {
 984                         // Standard article deletion
 985                         parent::delete();
 986                         return;
 987                 }
 988
 989                 $deleter = new FileDeleteForm( $file );
 990                 $deleter->execute();
 991         }
 992
 993         /**
 994          * Display an error with a wikitext description
 995          *
 996          * @param string $description
 997          */
 998         function showError( $description ) {
 999                 $out = $this->getContext()->getOutput();
1000                 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
1001                 $out->setRobotPolicy( 'noindex,nofollow' );
1002                 $out->setArticleRelated( false );
1003                 $out->enableClientCache( false );
1004                 $out->addWikiTextAsInterface( $description );
1005         }
1006
1007         /**
1008          * Callback for usort() to do link sorts by (namespace, title)
1009          * Function copied from Title::compare()
1010          *
1011          * @param object $a Object page to compare with
1012          * @param object $b Object page to compare with
1013          * @return int Result of string comparison, or namespace comparison
1014          */
1015         protected function compare( $a, $b ) {
1016                 return $a->page_namespace <=> $b->page_namespace
1017                         ?: strcmp( $a->page_title, $b->page_title );
1018         }
1019
1020         /**
1021          * Returns the corresponding $wgImageLimits entry for the selected user option
1022          *
1023          * @param User $user
1024          * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1025          * @return array
1026          * @since 1.21
1027          */
1028         public function getImageLimitsFromOption( $user, $optionName ) {
1029                 global $wgImageLimits;
1030
1031                 $option = $user->getIntOption( $optionName );
1032                 if ( !isset( $wgImageLimits[$option] ) ) {
1033                         $option = User::getDefaultOption( $optionName );
1034                 }
1035
1036                 // The user offset might still be incorrect, specially if
1037                 // $wgImageLimits got changed (see T10858).
1038                 if ( !isset( $wgImageLimits[$option] ) ) {
1039                         // Default to the first offset in $wgImageLimits
1040                         $option = 0;
1041                 }
1042
1043                 // if nothing is set, fallback to a hardcoded default
1044                 return $wgImageLimits[$option] ?? [ 800, 600 ];
1045         }
1046
1047         /**
1048          * Output a drop-down box for language options for the file
1049          *
1050          * @param array $langChoices Array of string language codes
1051          * @param string $renderLang Language code for the language we want the file to rendered in.
1052          * @return string HTML to insert underneath image.
1053          */
1054         protected function doRenderLangOpt( array $langChoices, $renderLang ) {
1055                 global $wgScript;
1056                 $opts = '';
1057
1058                 $matchedRenderLang = $this->displayImg->getMatchedLanguage( $renderLang );
1059
1060                 foreach ( $langChoices as $lang ) {
1061                         $opts .= $this->createXmlOptionStringForLanguage(
1062                                 $lang,
1063                                 $matchedRenderLang === $lang
1064                         );
1065                 }
1066
1067                 // Allow for the default case in an svg <switch> that is displayed if no
1068                 // systemLanguage attribute matches
1069                 $opts .= "\n" .
1070                         Xml::option(
1071                                 $this->getContext()->msg( 'img-lang-default' )->text(),
1072                                 'und',
1073                                 is_null( $matchedRenderLang )
1074                         );
1075
1076                 $select = Html::rawElement(
1077                         'select',
1078                         [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1079                         $opts
1080                 );
1081                 $submit = Xml::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1082
1083                 $formContents = $this->getContext()->msg( 'img-lang-info' )
1084                         ->rawParams( $select, $submit )
1085                         ->parse();
1086                 $formContents .= Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1087
1088                 $langSelectLine = Html::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1089                         Html::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1090                 );
1091                 return $langSelectLine;
1092         }
1093
1094         /**
1095          * @param $lang string
1096          * @param $selected bool
1097          * @return string
1098          */
1099         private function createXmlOptionStringForLanguage( $lang, $selected ) {
1100                 $code = LanguageCode::bcp47( $lang );
1101                 $name = Language::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1102                 if ( $name !== '' ) {
1103                         $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1104                 } else {
1105                         $display = $code;
1106                 }
1107                 return "\n" .
1108                         Xml::option(
1109                                 $display,
1110                                 $lang,
1111                                 $selected
1112                         );
1113         }
1114
1115         /**
1116          * Get the width and height to display image at.
1117          *
1118          * @note This method assumes that it is only called if one
1119          *  of the dimensions are bigger than the max, or if the
1120          *  image is vectorized.
1121          *
1122          * @param int $maxWidth Max width to display at
1123          * @param int $maxHeight Max height to display at
1124          * @param int $width Actual width of the image
1125          * @param int $height Actual height of the image
1126          * @throws MWException
1127          * @return array Array (width, height)
1128          */
1129         protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1130                 if ( !$maxWidth || !$maxHeight ) {
1131                         // should never happen
1132                         throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1133                 }
1134
1135                 if ( !$width || !$height ) {
1136                         return [ 0, 0 ];
1137                 }
1138
1139                 # Calculate the thumbnail size.
1140                 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1141                         // Vectorized image, do nothing.
1142                 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1143                         # The limiting factor is the width, not the height.
1144                         $height = round( $height * $maxWidth / $width );
1145                         $width = $maxWidth;
1146                         # Note that $height <= $maxHeight now.
1147                 } else {
1148                         $newwidth = floor( $width * $maxHeight / $height );
1149                         $height = round( $height * $newwidth / $width );
1150                         $width = $newwidth;
1151                         # Note that $height <= $maxHeight now, but might not be identical
1152                         # because of rounding.
1153                 }
1154                 return [ $width, $height ];
1155         }
1156
1157         /**
1158          * Get alternative thumbnail sizes.
1159          *
1160          * @note This will only list several alternatives if thumbnails are rendered on 404
1161          * @param int $origWidth Actual width of image
1162          * @param int $origHeight Actual height of image
1163          * @return array An array of [width, height] pairs.
1164          */
1165         protected function getThumbSizes( $origWidth, $origHeight ) {
1166                 global $wgImageLimits;
1167                 if ( $this->displayImg->getRepo()->canTransformVia404() ) {
1168                         $thumbSizes = $wgImageLimits;
1169                         // Also include the full sized resolution in the list, so
1170                         // that users know they can get it. This will link to the
1171                         // original file asset if mustRender() === false. In the case
1172                         // that we mustRender, some users have indicated that they would
1173                         // find it useful to have the full size image in the rendered
1174                         // image format.
1175                         $thumbSizes[] = [ $origWidth, $origHeight ];
1176                 } else {
1177                         # Creating thumb links triggers thumbnail generation.
1178                         # Just generate the thumb for the current users prefs.
1179                         $thumbSizes = [
1180                                 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1181                         ];
1182                         if ( !$this->displayImg->mustRender() ) {
1183                                 // We can safely include a link to the "full-size" preview,
1184                                 // without actually rendering.
1185                                 $thumbSizes[] = [ $origWidth, $origHeight ];
1186                         }
1187                 }
1188                 return $thumbSizes;
1189         }
1190
1191         /**
1192          * @see WikiFilePage::getFile
1193          * @return bool|File
1194          */
1195         public function getFile() {
1196                 return $this->mPage->getFile();
1197         }
1198
1199         /**
1200          * @see WikiFilePage::isLocal
1201          * @return bool
1202          */
1203         public function isLocal() {
1204                 return $this->mPage->isLocal();
1205         }
1206
1207         /**
1208          * @see WikiFilePage::getDuplicates
1209          * @return array|null
1210          */
1211         public function getDuplicates() {
1212                 return $this->mPage->getDuplicates();
1213         }
1214
1215         /**
1216          * @see WikiFilePage::getForeignCategories
1217          * @return TitleArray|Title[]
1218          */
1219         public function getForeignCategories() {
1220                 $this->mPage->getForeignCategories();
1221         }
1222
1223 }