3 * Special handling for file description pages.
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.
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.
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
23 use MediaWiki\MediaWikiServices
;
24 use Wikimedia\Rdbms\ResultWrapper
;
27 * Class for viewing MediaWiki file description pages
31 * @property WikiFilePage $mPage Set by overwritten newPage() in this class
33 class ImagePage
extends Article
{
34 /** @var File|false */
44 protected $mExtraDescription = false;
48 * @return WikiFilePage
50 protected function newPage( Title
$title ) {
51 // Overload mPage with a file-specific page
52 return new WikiFilePage( $title );
59 public function setFile( $file ) {
60 $this->mPage
->setFile( $file );
61 $this->displayImg
= $file;
62 $this->fileLoaded
= true;
65 protected function loadFile() {
66 if ( $this->fileLoaded
) {
69 $this->fileLoaded
= true;
71 $this->displayImg
= $img = false;
73 Hooks
::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg
] );
74 if ( !$img ) { // not set by hook?
75 $services = MediaWikiServices
::getInstance();
76 $img = $services->getRepoGroup()->findFile( $this->getTitle() );
78 $img = $services->getRepoGroup()->getLocalRepo()->newFile( $this->getTitle() );
81 $this->mPage
->setFile( $img );
82 if ( !$this->displayImg
) { // not set by hook?
83 $this->displayImg
= $img;
85 $this->repo
= $img->getRepo();
88 public function view() {
91 // For action=render, include body text only; none of the image extras
92 if ( $this->viewIsRenderAction
) {
97 $out = $this->getContext()->getOutput();
98 $request = $this->getContext()->getRequest();
99 $diff = $request->getVal( 'diff' );
100 $diffOnly = $request->getBool(
102 $this->getContext()->getUser()->getOption( 'diffonly' )
105 if ( $this->getTitle()->getNamespace() != NS_FILE ||
( $diff !== null && $diffOnly ) ) {
112 if ( $this->getTitle()->getNamespace() == NS_FILE
&& $this->mPage
->getFile()->getRedirected() ) {
113 if ( $this->getTitle()->getDBkey() == $this->mPage
->getFile()->getName() ||
$diff !== null ) {
114 $request->setVal( 'diffonly', 'true' );
121 if ( $wgShowEXIF && $this->displayImg
->exists() ) {
122 // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
123 $formattedMetadata = $this->displayImg
->formatMetadata( $this->getContext() );
124 $showmeta = $formattedMetadata !== false;
129 if ( !$diff && $this->displayImg
->exists() ) {
130 $out->addHTML( $this->showTOC( $showmeta ) );
134 $this->openShowImage();
137 # No need to display noarticletext, we use our own message, output in openShowImage()
138 if ( $this->mPage
->getId() ) {
139 # NS_FILE is in the user language, but this section (the actual wikitext)
140 # should be in page content language
141 $pageLang = $this->getTitle()->getPageViewLanguage();
142 $out->addHTML( Xml
::openElement( 'div', [ 'id' => 'mw-imagepage-content',
143 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
144 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
148 $out->addHTML( Xml
::closeElement( 'div' ) );
150 # Just need to set the right headers
151 $out->setArticleFlag( true );
152 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
153 $this->mPage
->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
156 # Show shared description, if needed
157 if ( $this->mExtraDescription
) {
158 $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
159 if ( !$fol->isDisabled() ) {
160 $out->addWikiTextAsInterface( $fol->plain() );
162 $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription
. "</div>\n" );
165 $this->closeShowImage();
166 $this->imageHistory();
167 // TODO: Cleanup the following
169 $out->addHTML( Xml
::element( 'h2',
170 [ 'id' => 'filelinks' ],
171 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
173 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
174 # Yet we return metadata about the target. Definitely an issue in the FileRepo
177 # Allow extensions to add something after the image links
179 Hooks
::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
181 $out->addHTML( $html );
185 $out->addHTML( Xml
::element(
187 [ 'id' => 'metadata' ],
188 $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
189 $out->wrapWikiTextAsInterface(
190 'mw-imagepage-section-metadata',
191 $this->makeMetadataTable( $formattedMetadata )
193 $out->addModules( [ 'mediawiki.action.view.metadata' ] );
196 // Add remote Filepage.css
197 if ( !$this->repo
->isLocal() ) {
198 $css = $this->repo
->getDescriptionStylesheetUrl();
200 $out->addStyle( $css );
204 $out->addModuleStyles( [
205 'filepage', // always show the local local Filepage.css, T31277
206 'mediawiki.action.view.filepage', // Add MediaWiki styles for a file page
213 public function getDisplayedFile() {
215 return $this->displayImg
;
221 * @param bool $metadata Whether or not to show the metadata link
224 protected function showTOC( $metadata ) {
226 '<li><a href="#file">' . $this->getContext()->msg( 'file-anchor-link' )->escaped() . '</a></li>',
227 '<li><a href="#filehistory">' . $this->getContext()->msg( 'filehist' )->escaped() . '</a></li>',
228 '<li><a href="#filelinks">' . $this->getContext()->msg( 'imagelinks' )->escaped() . '</a></li>',
231 Hooks
::run( 'ImagePageShowTOC', [ $this, &$r ] );
234 $r[] = '<li><a href="#metadata">' .
235 $this->getContext()->msg( 'metadata' )->escaped() .
239 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
243 * Make a table with metadata to be shown in the output page.
245 * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
247 * @param array $metadata The array containing the Exif data
248 * @return string The metadata table. This is treated as Wikitext (!)
250 protected function makeMetadataTable( $metadata ) {
251 $r = $this->getContext()->msg( 'metadata-help' )->plain();
252 // Intial state is collapsed
253 // see filepage.css and mediawiki.action.view.metadata module.
254 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata collapsed\">\n";
255 foreach ( $metadata as $type => $stuff ) {
256 foreach ( $stuff as $v ) {
257 $class = str_replace( ' ', '_', $v['id'] );
258 if ( $type == 'collapsed' ) {
259 $class .= ' mw-metadata-collapsible';
261 $r .= Html
::rawElement( 'tr',
262 [ 'class' => $class ],
263 Html
::rawElement( 'th', [], $v['name'] )
264 . Html
::rawElement( 'td', [], $v['value'] )
273 * Overloading Article's getEmptyPageParserOutput method.
275 * Omit noarticletext if sharedupload; text will be fetched from the
276 * shared upload server if possible.
278 * @param ParserOptions $options
279 * @return ParserOutput
281 public function getEmptyPageParserOutput( ParserOptions
$options ) {
283 if ( $this->mPage
->getFile() && !$this->mPage
->getFile()->isLocal() && $this->getId() == 0 ) {
284 return new ParserOutput();
286 return parent
::getEmptyPageParserOutput( $options );
290 * Returns language code to be used for dispaying the image, based on request context and
291 * languages available in the file.
293 * @param WebRequest $request
295 * @return string|null
297 private function getLanguageForRendering( WebRequest
$request, File
$file ) {
298 $handler = $file->getHandler();
303 $config = MediaWikiServices
::getInstance()->getMainConfig();
304 $requestLanguage = $request->getVal( 'lang', $config->get( 'LanguageCode' ) );
305 if ( $handler->validateParam( 'lang', $requestLanguage ) ) {
306 return $file->getMatchedLanguage( $requestLanguage );
309 return $handler->getDefaultRenderLanguage( $file );
312 protected function openShowImage() {
313 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
316 $out = $this->getContext()->getOutput();
317 $user = $this->getContext()->getUser();
318 $lang = $this->getContext()->getLanguage();
319 $dirmark = $lang->getDirMarkEntity();
320 $request = $this->getContext()->getRequest();
322 list( $maxWidth, $maxHeight ) = $this->getImageLimitsFromOption( $user, 'imagesize' );
324 if ( $this->displayImg
->exists() ) {
326 $page = $request->getIntOrNull( 'page' );
327 if ( is_null( $page ) ) {
331 $params = [ 'page' => $page ];
334 $renderLang = $this->getLanguageForRendering( $request, $this->displayImg
);
335 if ( !is_null( $renderLang ) ) {
336 $params['lang'] = $renderLang;
339 $width_orig = $this->displayImg
->getWidth( $page );
340 $width = $width_orig;
341 $height_orig = $this->displayImg
->getHeight( $page );
342 $height = $height_orig;
344 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
345 $linktext = $filename;
347 // Avoid PHP 7.1 warning from passing $this by reference
350 Hooks
::run( 'ImageOpenShowImageInlineBefore', [ &$imagePage, &$out ] );
352 if ( $this->displayImg
->allowInlineDisplay() ) {
354 # "Download high res version" link below the image
355 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
356 # Language::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
357 # We'll show a thumbnail of this image
358 if ( $width > $maxWidth ||
$height > $maxHeight ||
$this->displayImg
->isVectorized() ) {
359 list( $width, $height ) = $this->getDisplayWidthHeight(
360 $maxWidth, $maxHeight, $width, $height
362 $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
364 $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
365 # Generate thumbnails or thumbnail links as needed...
367 foreach ( $thumbSizes as $size ) {
368 // We include a thumbnail size in the list, if it is
369 // less than or equal to the original size of the image
370 // asset ($width_orig/$height_orig). We also exclude
371 // the current thumbnail's size ($width/$height)
372 // since that is added to the message separately, so
373 // it can be denoted as the current size being shown.
374 // Vectorized images are limited by $wgSVGMaxSize big,
375 // so all thumbs less than or equal that are shown.
376 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
377 ||
( $this->displayImg
->isVectorized()
378 && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
380 && $size[0] != $width && $size[1] != $height
382 $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
384 $otherSizes[] = $sizeLink;
388 $otherSizes = array_unique( $otherSizes );
390 $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
391 $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
392 if ( count( $otherSizes ) ) {
396 [ 'class' => 'mw-filepage-other-resolutions' ],
397 $this->getContext()->msg( 'show-big-image-other' )
398 ->rawParams( $lang->pipeList( $otherSizes ) )
399 ->params( count( $otherSizes ) )
403 } elseif ( $width == 0 && $height == 0 ) {
404 # Some sort of audio file that doesn't have dimensions
405 # Don't output a no hi res message for such a file
408 # Image is small enough to show full size on image page
409 $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
412 $params['width'] = $width;
413 $params['height'] = $height;
414 $thumbnail = $this->displayImg
->transform( $params );
415 Linker
::processResponsiveImages( $this->displayImg
, $thumbnail, $params );
417 $anchorclose = Html
::rawElement(
419 [ 'class' => 'mw-filepage-resolutioninfo' ],
423 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
425 $out->addModules( 'mediawiki.page.image.pagination' );
426 $out->addHTML( '<table class="multipageimage"><tr><td>' );
431 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
434 $out->addHTML( '<div class="fullImageLink" id="file">' .
435 $thumbnail->toHtml( $options ) .
436 $anchorclose . "</div>\n" );
440 $count = $this->displayImg
->pageCount();
443 $label = $this->getContext()->msg( 'imgmultipageprev' )->text();
444 // on the client side, this link is generated in ajaxifyPageNavigation()
445 // in the mediawiki.page.image.pagination module
446 $link = Linker
::linkKnown(
448 htmlspecialchars( $label ),
450 [ 'page' => $page - 1 ]
452 $thumb1 = Linker
::makeThumbLinkObj(
458 [ 'page' => $page - 1 ]
464 if ( $page < $count ) {
465 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
466 $link = Linker
::linkKnown(
468 htmlspecialchars( $label ),
470 [ 'page' => $page +
1 ]
472 $thumb2 = Linker
::makeThumbLinkObj(
478 [ 'page' => $page +
1 ]
487 'name' => 'pageselector',
488 'action' => $wgScript,
491 for ( $i = 1; $i <= $count; $i++
) {
492 $options[] = Xml
::option( $lang->formatNum( $i ), $i, $i == $page );
494 $select = Xml
::tags( 'select',
495 [ 'id' => 'pageselector', 'name' => 'page' ],
496 implode( "\n", $options ) );
499 '</td><td><div class="multipageimagenavbox">' .
500 Xml
::openElement( 'form', $formParams ) .
501 Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
502 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
503 $this->getContext()->msg( 'word-separator' )->escaped() .
504 Xml
::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
505 Xml
::closeElement( 'form' ) .
506 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
509 } elseif ( $this->displayImg
->isSafeFile() ) {
510 # if direct link is allowed but it's not a renderable image, show an icon.
511 $icon = $this->displayImg
->iconThumb();
513 $out->addHTML( '<div class="fullImageLink" id="file">' .
514 $icon->toHtml( [ 'file-link' => true ] ) .
518 $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg
->getLongDesc() )->text();
520 $handler = $this->displayImg
->getHandler();
522 // If this is a filetype with potential issues, warn the user.
524 $warningConfig = $handler->getWarningConfig( $this->displayImg
);
526 if ( $warningConfig !== null ) {
527 // The warning will be displayed via CSS and JavaScript.
528 // We just need to tell the client side what message to use.
529 $output = $this->getContext()->getOutput();
530 $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
531 $output->addModules( $warningConfig['module'] );
532 $output->addModules( 'mediawiki.filewarning' );
536 $medialink = "[[Media:$filename|$linktext]]";
538 if ( !$this->displayImg
->isSafeFile() ) {
539 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
540 // dirmark is needed here to separate the file name, which
541 // most likely ends in Latin characters, from the description,
542 // which may begin with the file type. In RTL environment
543 // this will get messy.
544 // The dirmark, however, must not be immediately adjacent
545 // to the filename, because it can get copied with it.
547 // phpcs:disable Generic.Files.LineLength
548 $out->wrapWikiTextAsInterface( 'fullMedia', <<<EOT
549 <span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span>
553 $out->wrapWikiTextAsInterface( 'mediaWarning', $warning );
555 $out->wrapWikiTextAsInterface( 'fullMedia', <<<EOT
556 {$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
561 $renderLangOptions = $this->displayImg
->getAvailableLanguages();
562 if ( count( $renderLangOptions ) >= 1 ) {
563 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $renderLang ) );
566 // Add cannot animate thumbnail warning
567 if ( !$this->displayImg
->canAnimateThumbIfAppropriate() ) {
568 // Include the extension so wiki admins can
569 // customize it on a per file-type basis
570 // (aka say things like use format X instead).
571 // additionally have a specific message for
572 // file-no-thumb-animation-gif
573 $ext = $this->displayImg
->getExtension();
574 $noAnimMesg = wfMessageFallback(
575 'file-no-thumb-animation-' . $ext,
576 'file-no-thumb-animation'
579 $out->wrapWikiTextAsInterface( 'mw-noanimatethumb', $noAnimMesg );
582 if ( !$this->displayImg
->isLocal() ) {
583 $this->printSharedImageText();
586 # Image does not exist
587 if ( !$this->getId() ) {
588 $dbr = wfGetDB( DB_REPLICA
);
590 # No article exists either
591 # Show deletion log to be consistent with normal articles
592 LogEventsList
::showLogExtract(
594 [ 'delete', 'move', 'protect' ],
595 $this->getTitle()->getPrefixedText(),
598 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
599 'showIfEmpty' => false,
600 'msgKey' => [ 'moveddeleted-notice' ]
605 if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
606 // Only show an upload link if the user can upload
607 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
609 'filepage-nofile-link',
610 $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage
->getFile()->getName() ] )
613 $nofile = 'filepage-nofile';
615 // Note, if there is an image description page, but
616 // no image, then this setRobotPolicy is overridden
617 // by Article::View().
618 $out->setRobotPolicy( 'noindex,nofollow' );
619 $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
620 if ( !$this->getId() && $wgSend404Code ) {
621 // If there is no image, no shared image, and no description page,
622 // output a 404, to be consistent with Article::showMissingArticle.
623 $request->response()->statusHeader( 404 );
626 $out->setFileVersion( $this->displayImg
);
630 * Make the text under the image to say what size preview
632 * @param array $params parameters for thumbnail
633 * @param string $sizeLinkBigImagePreview HTML for the current size
634 * @return string HTML output
636 protected function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
637 if ( $sizeLinkBigImagePreview ) {
638 // Show a different message of preview is different format from original.
639 $previewTypeDiffers = false;
640 $origExt = $thumbExt = $this->displayImg
->getExtension();
641 if ( $this->displayImg
->getHandler() ) {
642 $origMime = $this->displayImg
->getMimeType();
643 $typeParams = $params;
644 $this->displayImg
->getHandler()->normaliseParams( $this->displayImg
, $typeParams );
645 list( $thumbExt, $thumbMime ) = $this->displayImg
->getHandler()->getThumbType(
646 $origExt, $origMime, $typeParams );
647 if ( $thumbMime !== $origMime ) {
648 $previewTypeDiffers = true;
651 if ( $previewTypeDiffers ) {
652 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
653 rawParams( $sizeLinkBigImagePreview )->
654 params( strtoupper( $origExt ) )->
655 params( strtoupper( $thumbExt ) )->
658 return $this->getContext()->msg( 'show-big-image-preview' )->
659 rawParams( $sizeLinkBigImagePreview )->
668 * Creates an thumbnail of specified size and returns an HTML link to it
669 * @param array $params Scaler parameters
674 protected function makeSizeLink( $params, $width, $height ) {
675 $params['width'] = $width;
676 $params['height'] = $height;
677 $thumbnail = $this->displayImg
->transform( $params );
678 if ( $thumbnail && !$thumbnail->isError() ) {
679 return Html
::rawElement( 'a', [
680 'href' => $thumbnail->getUrl(),
681 'class' => 'mw-thumbnail-link'
682 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
683 $thumbnail->getWidth(), $thumbnail->getHeight()
691 * Show a notice that the file is from a shared repository
693 protected function printSharedImageText() {
694 $out = $this->getContext()->getOutput();
697 $descUrl = $this->mPage
->getFile()->getDescriptionUrl();
698 $descText = $this->mPage
->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
700 /* Add canonical to head if there is no local page for this shared file */
701 if ( $descUrl && $this->mPage
->getId() == 0 ) {
702 $out->setCanonicalUrl( $descUrl );
705 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
706 $repo = $this->mPage
->getFile()->getRepo()->getDisplayName();
710 $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
712 $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
713 } elseif ( $descUrl &&
714 $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
716 $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
718 $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
722 $this->mExtraDescription
= $descText;
726 public function getUploadUrl() {
728 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
729 return $uploadTitle->getFullURL( [
730 'wpDestFile' => $this->mPage
->getFile()->getName(),
736 * Add the re-upload link (or message about not being able to re-upload) to the output.
738 protected function uploadLinksBox() {
739 if ( !$this->getContext()->getConfig()->get( 'EnableUploads' ) ) {
744 if ( !$this->mPage
->getFile()->isLocal() ) {
748 $canUpload = MediaWikiServices
::getInstance()->getPermissionManager()
749 ->quickUserCan( 'upload', $this->getContext()->getUser(), $this->getTitle() );
750 if ( $canUpload && UploadBase
::userCanReUpload(
751 $this->getContext()->getUser(),
752 $this->mPage
->getFile() )
754 // "Upload a new version of this file" link
755 $ulink = Linker
::makeExternalLink(
756 $this->getUploadUrl(),
757 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
759 $attrs = [ 'class' => 'plainlinks', 'id' => 'mw-imagepage-reupload-link' ];
760 $linkPara = Html
::rawElement( 'p', $attrs, $ulink );
762 // "You cannot overwrite this file." message
763 $attrs = [ 'id' => 'mw-imagepage-upload-disallowed' ];
764 $msg = $this->getContext()->msg( 'upload-disallowed-here' )->text();
765 $linkPara = Html
::element( 'p', $attrs, $msg );
768 $uploadLinks = Html
::rawElement( 'div', [ 'class' => 'mw-imagepage-upload-links' ], $linkPara );
769 $this->getContext()->getOutput()->addHTML( $uploadLinks );
775 protected function closeShowImage() {
779 * If the page we've just displayed is in the "Image" namespace,
780 * we follow it with an upload history of the image and its usage.
782 protected function imageHistory() {
784 $out = $this->getContext()->getOutput();
785 $pager = new ImageHistoryPseudoPager( $this );
786 $out->addHTML( $pager->getBody() );
787 $out->preventClickjacking( $pager->getPreventClickjacking() );
789 $this->mPage
->getFile()->resetHistory(); // free db resources
791 # Exist check because we don't want to show this on pages where an image
792 # doesn't exist along with the noimage message, that would suck. -ævar
793 if ( $this->mPage
->getFile()->exists() ) {
794 $this->uploadLinksBox();
799 * @param string|string[] $target
801 * @return ResultWrapper
803 protected function queryImageLinks( $target, $limit ) {
804 $dbr = wfGetDB( DB_REPLICA
);
807 [ 'imagelinks', 'page' ],
808 [ 'page_namespace', 'page_title', 'il_to' ],
809 [ 'il_to' => $target, 'il_from = page_id' ],
811 [ 'LIMIT' => $limit +
1, 'ORDER BY' => 'il_from', ]
815 protected function imageLinks() {
818 $out = $this->getContext()->getOutput();
822 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE
) as $redir ) {
823 $redirects[$redir->getDBkey()] = [];
825 'page_namespace' => NS_FILE
,
826 'page_title' => $redir->getDBkey(),
830 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit +
1 );
831 foreach ( $res as $row ) {
834 $count = count( $rows );
836 $hasMore = $count > $limit;
837 if ( !$hasMore && count( $redirects ) ) {
838 $res = $this->queryImageLinks( array_keys( $redirects ),
839 $limit - count( $rows ) +
1 );
840 foreach ( $res as $row ) {
841 $redirects[$row->il_to
][] = $row;
844 $hasMore = ( $res->numRows() +
count( $rows ) ) > $limit;
849 Html
::rawElement( 'div',
850 [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
856 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
858 $out->addWikiMsg( 'linkstoimage', $count );
860 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
861 $out->addWikiMsg( 'linkstoimage-more',
862 $this->getContext()->getLanguage()->formatNum( $limit ),
863 $this->getTitle()->getPrefixedDBkey()
868 Html
::openElement( 'ul',
869 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
873 // Sort the list by namespace:title
874 usort( $rows, [ $this, 'compare' ] );
876 // Create links for every element
878 foreach ( $rows as $element ) {
880 if ( $currentCount > $limit ) {
885 # Add a redirect=no to make redirect pages reachable
886 if ( isset( $redirects[$element->page_title
] ) ) {
887 $query['redirect'] = 'no';
889 $link = Linker
::linkKnown(
890 Title
::makeTitle( $element->page_namespace
, $element->page_title
),
893 if ( !isset( $redirects[$element->page_title
] ) ) {
896 } elseif ( count( $redirects[$element->page_title
] ) === 0 ) {
897 # Redirect without usages
898 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
899 ->rawParams( $link, '' )
902 # Redirect with usages
904 foreach ( $redirects[$element->page_title
] as $row ) {
906 if ( $currentCount > $limit ) {
910 $link2 = Linker
::linkKnown( Title
::makeTitle( $row->page_namespace
, $row->page_title
) );
911 $li .= Html
::rawElement(
913 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
],
918 $ul = Html
::rawElement(
920 [ 'class' => 'mw-imagepage-redirectstofile' ],
923 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
924 $link, $ul )->parse();
926 $out->addHTML( Html
::rawElement(
928 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
],
934 $out->addHTML( Html
::closeElement( 'ul' ) . "\n" );
937 // Add a links to [[Special:Whatlinkshere]]
938 if ( $count > $limit ) {
939 $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
941 $out->addHTML( Html
::closeElement( 'div' ) . "\n" );
944 protected function imageDupes() {
946 $out = $this->getContext()->getOutput();
948 $dupes = $this->mPage
->getDuplicates();
949 if ( count( $dupes ) == 0 ) {
953 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
954 $out->addWikiMsg( 'duplicatesoffile',
955 $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
957 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
962 foreach ( $dupes as $file ) {
964 if ( $file->isLocal() ) {
965 $link = Linker
::linkKnown( $file->getTitle() );
967 $link = Linker
::makeExternalLink( $file->getDescriptionUrl(),
968 $file->getTitle()->getPrefixedText() );
969 $fromSrc = $this->getContext()->msg(
971 $file->getRepo()->getDisplayName()
974 $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
976 $out->addHTML( "</ul></div>\n" );
980 * Delete the file, or an earlier version of it
982 public function delete() {
983 $file = $this->mPage
->getFile();
984 if ( !$file->exists() ||
!$file->isLocal() ||
$file->getRedirected() ) {
985 // Standard article deletion
990 $deleter = new FileDeleteForm( $file );
995 * Display an error with a wikitext description
997 * @param string $description
999 function showError( $description ) {
1000 $out = $this->getContext()->getOutput();
1001 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
1002 $out->setRobotPolicy( 'noindex,nofollow' );
1003 $out->setArticleRelated( false );
1004 $out->enableClientCache( false );
1005 $out->addWikiTextAsInterface( $description );
1009 * Callback for usort() to do link sorts by (namespace, title)
1010 * Function copied from Title::compare()
1012 * @param object $a Object page to compare with
1013 * @param object $b Object page to compare with
1014 * @return int Result of string comparison, or namespace comparison
1016 protected function compare( $a, $b ) {
1017 return $a->page_namespace
<=> $b->page_namespace
1018 ?
: strcmp( $a->page_title
, $b->page_title
);
1022 * Returns the corresponding $wgImageLimits entry for the selected user option
1025 * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1029 public function getImageLimitsFromOption( $user, $optionName ) {
1030 global $wgImageLimits;
1032 $option = $user->getIntOption( $optionName );
1033 if ( !isset( $wgImageLimits[$option] ) ) {
1034 $option = User
::getDefaultOption( $optionName );
1037 // The user offset might still be incorrect, specially if
1038 // $wgImageLimits got changed (see T10858).
1039 if ( !isset( $wgImageLimits[$option] ) ) {
1040 // Default to the first offset in $wgImageLimits
1044 // if nothing is set, fallback to a hardcoded default
1045 return $wgImageLimits[$option] ??
[ 800, 600 ];
1049 * Output a drop-down box for language options for the file
1051 * @param array $langChoices Array of string language codes
1052 * @param string $renderLang Language code for the language we want the file to rendered in.
1053 * @return string HTML to insert underneath image.
1055 protected function doRenderLangOpt( array $langChoices, $renderLang ) {
1059 $matchedRenderLang = $this->displayImg
->getMatchedLanguage( $renderLang );
1061 foreach ( $langChoices as $lang ) {
1062 $opts .= $this->createXmlOptionStringForLanguage(
1064 $matchedRenderLang === $lang
1068 // Allow for the default case in an svg <switch> that is displayed if no
1069 // systemLanguage attribute matches
1072 $this->getContext()->msg( 'img-lang-default' )->text(),
1074 is_null( $matchedRenderLang )
1077 $select = Html
::rawElement(
1079 [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1082 $submit = Xml
::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1084 $formContents = $this->getContext()->msg( 'img-lang-info' )
1085 ->rawParams( $select, $submit )
1087 $formContents .= Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1089 $langSelectLine = Html
::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1090 Html
::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1092 return $langSelectLine;
1096 * @param string $lang
1097 * @param bool $selected
1100 private function createXmlOptionStringForLanguage( $lang, $selected ) {
1101 $code = LanguageCode
::bcp47( $lang );
1102 $name = Language
::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1103 if ( $name !== '' ) {
1104 $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1117 * Get the width and height to display image at.
1119 * @note This method assumes that it is only called if one
1120 * of the dimensions are bigger than the max, or if the
1121 * image is vectorized.
1123 * @param int $maxWidth Max width to display at
1124 * @param int $maxHeight Max height to display at
1125 * @param int $width Actual width of the image
1126 * @param int $height Actual height of the image
1127 * @throws MWException
1128 * @return array Array (width, height)
1130 protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1131 if ( !$maxWidth ||
!$maxHeight ) {
1132 // should never happen
1133 throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1136 if ( !$width ||
!$height ) {
1140 # Calculate the thumbnail size.
1141 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1142 // Vectorized image, do nothing.
1143 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1144 # The limiting factor is the width, not the height.
1145 $height = round( $height * $maxWidth / $width );
1147 # Note that $height <= $maxHeight now.
1149 $newwidth = floor( $width * $maxHeight / $height );
1150 $height = round( $height * $newwidth / $width );
1152 # Note that $height <= $maxHeight now, but might not be identical
1153 # because of rounding.
1155 return [ $width, $height ];
1159 * Get alternative thumbnail sizes.
1161 * @note This will only list several alternatives if thumbnails are rendered on 404
1162 * @param int $origWidth Actual width of image
1163 * @param int $origHeight Actual height of image
1164 * @return array An array of [width, height] pairs.
1166 protected function getThumbSizes( $origWidth, $origHeight ) {
1167 global $wgImageLimits;
1168 if ( $this->displayImg
->getRepo()->canTransformVia404() ) {
1169 $thumbSizes = $wgImageLimits;
1170 // Also include the full sized resolution in the list, so
1171 // that users know they can get it. This will link to the
1172 // original file asset if mustRender() === false. In the case
1173 // that we mustRender, some users have indicated that they would
1174 // find it useful to have the full size image in the rendered
1176 $thumbSizes[] = [ $origWidth, $origHeight ];
1178 # Creating thumb links triggers thumbnail generation.
1179 # Just generate the thumb for the current users prefs.
1181 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1183 if ( !$this->displayImg
->mustRender() ) {
1184 // We can safely include a link to the "full-size" preview,
1185 // without actually rendering.
1186 $thumbSizes[] = [ $origWidth, $origHeight ];
1193 * @see WikiFilePage::getFile
1196 public function getFile() {
1197 return $this->mPage
->getFile();
1201 * @see WikiFilePage::isLocal
1204 public function isLocal() {
1205 return $this->mPage
->isLocal();
1209 * @see WikiFilePage::getDuplicates
1210 * @return array|null
1212 public function getDuplicates() {
1213 return $this->mPage
->getDuplicates();
1217 * @see WikiFilePage::getForeignCategories
1218 * @return TitleArray|Title[]
1220 public function getForeignCategories() {
1221 return $this->mPage
->getForeignCategories();