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 Wikimedia\Rdbms\ResultWrapper
;
26 * Class for viewing MediaWiki file description pages
30 class ImagePage
extends Article
{
41 protected $mExtraDescription = false;
50 * @return WikiFilePage
52 protected function newPage( Title
$title ) {
53 // Overload mPage with a file-specific page
54 return new WikiFilePage( $title );
61 public function setFile( $file ) {
62 $this->mPage
->setFile( $file );
63 $this->displayImg
= $file;
64 $this->fileLoaded
= true;
67 protected function loadFile() {
68 if ( $this->fileLoaded
) {
71 $this->fileLoaded
= true;
73 $this->displayImg
= $img = false;
75 Hooks
::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg
] );
76 if ( !$img ) { // not set by hook?
77 $img = wfFindFile( $this->getTitle() );
79 $img = wfLocalFile( $this->getTitle() );
82 $this->mPage
->setFile( $img );
83 if ( !$this->displayImg
) { // not set by hook?
84 $this->displayImg
= $img;
86 $this->repo
= $img->getRepo();
90 * Handler for action=render
91 * Include body text only; none of the image extras
93 public function render() {
94 $this->getContext()->getOutput()->setArticleBodyOnly( true );
98 public function view() {
101 $out = $this->getContext()->getOutput();
102 $request = $this->getContext()->getRequest();
103 $diff = $request->getVal( 'diff' );
104 $diffOnly = $request->getBool(
106 $this->getContext()->getUser()->getOption( 'diffonly' )
109 if ( $this->getTitle()->getNamespace() != NS_FILE ||
( $diff !== null && $diffOnly ) ) {
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' );
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 = $formattedMetadata !== false;
133 if ( !$diff && $this->displayImg
->exists() ) {
134 $out->addHTML( $this->showTOC( $showmeta ) );
138 $this->openShowImage();
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() ] ) );
152 $out->addHTML( Xml
::closeElement( 'div' ) );
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() );
160 # Show shared description, if needed
161 if ( $this->mExtraDescription
) {
162 $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
163 if ( !$fol->isDisabled() ) {
164 $out->addWikiText( $fol->plain() );
166 $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription
. "</div>\n" );
169 $this->closeShowImage();
170 $this->imageHistory();
171 // TODO: Cleanup the following
173 $out->addHTML( Xml
::element( 'h2',
174 [ 'id' => 'filelinks' ],
175 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
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
181 # Allow extensions to add something after the image links
183 Hooks
::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
185 $out->addHTML( $html );
189 $out->addHTML( Xml
::element(
191 [ 'id' => 'metadata' ],
192 $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
193 $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
194 $out->addModules( [ 'mediawiki.action.view.metadata' ] );
197 // Add remote Filepage.css
198 if ( !$this->repo
->isLocal() ) {
199 $css = $this->repo
->getDescriptionStylesheetUrl();
201 $out->addStyle( $css );
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
214 public function getDisplayedFile() {
216 return $this->displayImg
;
222 * @param bool $metadata Whether or not to show the metadata link
225 protected function showTOC( $metadata ) {
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>',
232 Hooks
::run( 'ImagePageShowTOC', [ $this, &$r ] );
235 $r[] = '<li><a href="#metadata">' .
236 $this->getContext()->msg( 'metadata' )->escaped() .
240 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
244 * Make a table with metadata to be shown in the output page.
246 * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
248 * @param array $metadata The array containing the Exif data
249 * @return string The metadata table. This is treated as Wikitext (!)
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';
263 $r .= Html
::rawElement( 'tr',
264 [ 'class' => $class ],
265 Html
::rawElement( 'th', [], $v['name'] )
266 . Html
::rawElement( 'td', [], $v['value'] )
270 $r .= "</table>\n</div>\n";
275 * Overloading Article's getEmptyPageParserOutput method.
277 * Omit noarticletext if sharedupload; text will be fetched from the
278 * shared upload server if possible.
280 * @param ParserOptions $options
281 * @return ParserOutput
283 public function getEmptyPageParserOutput( ParserOptions
$options ) {
285 if ( $this->mPage
->getFile() && !$this->mPage
->getFile()->isLocal() && 0 == $this->getId() ) {
286 return new ParserOutput();
288 return parent
::getEmptyPageParserOutput( $options );
291 private function getLanguageForRendering( WebRequest
$request, File
$file ) {
292 $handler = $this->displayImg
->getHandler();
297 $requestLanguage = $request->getVal( 'lang' );
298 if ( !is_null( $requestLanguage ) ) {
299 if ( $handler->validateParam( 'lang', $requestLanguage ) ) {
300 return $requestLanguage;
304 return $handler->getDefaultRenderLanguage( $this->displayImg
);
307 protected function openShowImage() {
308 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
311 $out = $this->getContext()->getOutput();
312 $user = $this->getContext()->getUser();
313 $lang = $this->getContext()->getLanguage();
314 $dirmark = $lang->getDirMarkEntity();
315 $request = $this->getContext()->getRequest();
317 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
319 $maxHeight = $max[1];
321 if ( $this->displayImg
->exists() ) {
323 $page = $request->getIntOrNull( 'page' );
324 if ( is_null( $page ) ) {
328 $params = [ 'page' => $page ];
331 $renderLang = $this->getLanguageForRendering( $request, $this->displayImg
);
332 if ( !is_null( $renderLang ) ) {
333 $params['lang'] = $renderLang;
336 $width_orig = $this->displayImg
->getWidth( $page );
337 $width = $width_orig;
338 $height_orig = $this->displayImg
->getHeight( $page );
339 $height = $height_orig;
341 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
342 $linktext = $filename;
344 // Avoid PHP 7.1 warning from passing $this by reference
347 Hooks
::run( 'ImageOpenShowImageInlineBefore', [ &$imagePage, &$out ] );
349 if ( $this->displayImg
->allowInlineDisplay() ) {
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
359 $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
361 $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
362 # Generate thumbnails or thumbnail links as needed...
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 )
377 && $size[0] != $width && $size[1] != $height
379 $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
381 $otherSizes[] = $sizeLink;
385 $otherSizes = array_unique( $otherSizes );
387 $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
388 $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
389 if ( count( $otherSizes ) ) {
393 [ 'class' => 'mw-filepage-other-resolutions' ],
394 $this->getContext()->msg( 'show-big-image-other' )
395 ->rawParams( $lang->pipeList( $otherSizes ) )
396 ->params( count( $otherSizes ) )
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
405 # Image is small enough to show full size on image page
406 $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
409 $params['width'] = $width;
410 $params['height'] = $height;
411 $thumbnail = $this->displayImg
->transform( $params );
412 Linker
::processResponsiveImages( $this->displayImg
, $thumbnail, $params );
414 $anchorclose = Html
::rawElement(
416 [ 'class' => 'mw-filepage-resolutioninfo' ],
420 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
422 $out->addModules( 'mediawiki.page.image.pagination' );
423 $out->addHTML( '<table class="multipageimage"><tr><td>' );
428 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
431 $out->addHTML( '<div class="fullImageLink" id="file">' .
432 $thumbnail->toHtml( $options ) .
433 $anchorclose . "</div>\n" );
437 $count = $this->displayImg
->pageCount();
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(
445 htmlspecialchars( $label ),
447 [ 'page' => $page - 1 ]
449 $thumb1 = Linker
::makeThumbLinkObj(
455 [ 'page' => $page - 1 ]
461 if ( $page < $count ) {
462 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
463 $link = Linker
::linkKnown(
465 htmlspecialchars( $label ),
467 [ 'page' => $page +
1 ]
469 $thumb2 = Linker
::makeThumbLinkObj(
475 [ 'page' => $page +
1 ]
484 'name' => 'pageselector',
485 'action' => $wgScript,
488 for ( $i = 1; $i <= $count; $i++
) {
489 $options[] = Xml
::option( $lang->formatNum( $i ), $i, $i == $page );
491 $select = Xml
::tags( 'select',
492 [ 'id' => 'pageselector', 'name' => 'page' ],
493 implode( "\n", $options ) );
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>"
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();
510 $out->addHTML( '<div class="fullImageLink" id="file">' .
511 $icon->toHtml( [ 'file-link' => true ] ) .
515 $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg
->getLongDesc() )->text();
517 $handler = $this->displayImg
->getHandler();
519 // If this is a filetype with potential issues, warn the user.
521 $warningConfig = $handler->getWarningConfig( $this->displayImg
);
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' );
533 $medialink = "[[Media:$filename|$linktext]]";
535 if ( !$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.
544 // phpcs:disable Generic.Files.LineLength
545 $out->addWikiText( <<<EOT
546 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
547 <div class="mediaWarning">$warning</div>
552 $out->addWikiText( <<<EOT
553 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
559 $renderLangOptions = $this->displayImg
->getAvailableLanguages();
560 if ( count( $renderLangOptions ) >= 1 ) {
561 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $renderLang ) );
564 // Add cannot animate thumbnail warning
565 if ( !$this->displayImg
->canAnimateThumbIfAppropriate() ) {
566 // Include the extension so wiki admins can
567 // customize it on a per file-type basis
568 // (aka say things like use format X instead).
569 // additionally have a specific message for
570 // file-no-thumb-animation-gif
571 $ext = $this->displayImg
->getExtension();
572 $noAnimMesg = wfMessageFallback(
573 'file-no-thumb-animation-' . $ext,
574 'file-no-thumb-animation'
577 $out->addWikiText( <<<EOT
578 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
583 if ( !$this->displayImg
->isLocal() ) {
584 $this->printSharedImageText();
587 # Image does not exist
588 if ( !$this->getId() ) {
589 $dbr = wfGetDB( DB_REPLICA
);
591 # No article exists either
592 # Show deletion log to be consistent with normal articles
593 LogEventsList
::showLogExtract(
595 [ 'delete', 'move', 'protect' ],
596 $this->getTitle()->getPrefixedText(),
599 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
600 'showIfEmpty' => false,
601 'msgKey' => [ 'moveddeleted-notice' ]
606 if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
607 // Only show an upload link if the user can upload
608 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
610 'filepage-nofile-link',
611 $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage
->getFile()->getName() ] )
614 $nofile = 'filepage-nofile';
616 // Note, if there is an image description page, but
617 // no image, then this setRobotPolicy is overridden
618 // by Article::View().
619 $out->setRobotPolicy( 'noindex,nofollow' );
620 $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
621 if ( !$this->getId() && $wgSend404Code ) {
622 // If there is no image, no shared image, and no description page,
623 // output a 404, to be consistent with Article::showMissingArticle.
624 $request->response()->statusHeader( 404 );
627 $out->setFileVersion( $this->displayImg
);
631 * Make the text under the image to say what size preview
633 * @param array $params parameters for thumbnail
634 * @param string $sizeLinkBigImagePreview HTML for the current size
635 * @return string HTML output
637 protected function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
638 if ( $sizeLinkBigImagePreview ) {
639 // Show a different message of preview is different format from original.
640 $previewTypeDiffers = false;
641 $origExt = $thumbExt = $this->displayImg
->getExtension();
642 if ( $this->displayImg
->getHandler() ) {
643 $origMime = $this->displayImg
->getMimeType();
644 $typeParams = $params;
645 $this->displayImg
->getHandler()->normaliseParams( $this->displayImg
, $typeParams );
646 list( $thumbExt, $thumbMime ) = $this->displayImg
->getHandler()->getThumbType(
647 $origExt, $origMime, $typeParams );
648 if ( $thumbMime !== $origMime ) {
649 $previewTypeDiffers = true;
652 if ( $previewTypeDiffers ) {
653 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
654 rawParams( $sizeLinkBigImagePreview )->
655 params( strtoupper( $origExt ) )->
656 params( strtoupper( $thumbExt ) )->
659 return $this->getContext()->msg( 'show-big-image-preview' )->
660 rawParams( $sizeLinkBigImagePreview )->
669 * Creates an thumbnail of specified size and returns an HTML link to it
670 * @param array $params Scaler parameters
675 protected function makeSizeLink( $params, $width, $height ) {
676 $params['width'] = $width;
677 $params['height'] = $height;
678 $thumbnail = $this->displayImg
->transform( $params );
679 if ( $thumbnail && !$thumbnail->isError() ) {
680 return Html
::rawElement( 'a', [
681 'href' => $thumbnail->getUrl(),
682 'class' => 'mw-thumbnail-link'
683 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
684 $thumbnail->getWidth(), $thumbnail->getHeight()
692 * Show a notice that the file is from a shared repository
694 protected function printSharedImageText() {
695 $out = $this->getContext()->getOutput();
698 $descUrl = $this->mPage
->getFile()->getDescriptionUrl();
699 $descText = $this->mPage
->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
701 /* Add canonical to head if there is no local page for this shared file */
702 if ( $descUrl && $this->mPage
->getId() == 0 ) {
703 $out->setCanonicalUrl( $descUrl );
706 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
707 $repo = $this->mPage
->getFile()->getRepo()->getDisplayName();
711 $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
713 $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
714 } elseif ( $descUrl &&
715 $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
717 $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
719 $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
723 $this->mExtraDescription
= $descText;
727 public function getUploadUrl() {
729 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
730 return $uploadTitle->getFullURL( [
731 'wpDestFile' => $this->mPage
->getFile()->getName(),
737 * Print out the various links at the bottom of the image page, e.g. reupload,
738 * external editing (and instructions link) etc.
740 protected function uploadLinksBox() {
741 global $wgEnableUploads;
743 if ( !$wgEnableUploads ) {
748 if ( !$this->mPage
->getFile()->isLocal() ) {
752 $out = $this->getContext()->getOutput();
753 $out->addHTML( "<ul>\n" );
755 # "Upload a new version of this file" link
756 $canUpload = $this->getTitle()->quickUserCan( 'upload', $this->getContext()->getUser() );
757 if ( $canUpload && UploadBase
::userCanReUpload(
758 $this->getContext()->getUser(),
759 $this->mPage
->getFile() )
761 $ulink = Linker
::makeExternalLink(
762 $this->getUploadUrl(),
763 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
765 $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
766 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
768 $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
769 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
772 $out->addHTML( "</ul>\n" );
778 protected function closeShowImage() {
782 * If the page we've just displayed is in the "Image" namespace,
783 * we follow it with an upload history of the image and its usage.
785 protected function imageHistory() {
787 $out = $this->getContext()->getOutput();
788 $pager = new ImageHistoryPseudoPager( $this );
789 $out->addHTML( $pager->getBody() );
790 $out->preventClickjacking( $pager->getPreventClickjacking() );
792 $this->mPage
->getFile()->resetHistory(); // free db resources
794 # Exist check because we don't want to show this on pages where an image
795 # doesn't exist along with the noimage message, that would suck. -ævar
796 if ( $this->mPage
->getFile()->exists() ) {
797 $this->uploadLinksBox();
802 * @param string $target
804 * @return ResultWrapper
806 protected function queryImageLinks( $target, $limit ) {
807 $dbr = wfGetDB( DB_REPLICA
);
810 [ 'imagelinks', 'page' ],
811 [ 'page_namespace', 'page_title', 'il_to' ],
812 [ 'il_to' => $target, 'il_from = page_id' ],
814 [ 'LIMIT' => $limit +
1, 'ORDER BY' => 'il_from', ]
818 protected function imageLinks() {
821 $out = $this->getContext()->getOutput();
825 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE
) as $redir ) {
826 $redirects[$redir->getDBkey()] = [];
828 'page_namespace' => NS_FILE
,
829 'page_title' => $redir->getDBkey(),
833 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit +
1 );
834 foreach ( $res as $row ) {
837 $count = count( $rows );
839 $hasMore = $count > $limit;
840 if ( !$hasMore && count( $redirects ) ) {
841 $res = $this->queryImageLinks( array_keys( $redirects ),
842 $limit - count( $rows ) +
1 );
843 foreach ( $res as $row ) {
844 $redirects[$row->il_to
][] = $row;
847 $hasMore = ( $res->numRows() +
count( $rows ) ) > $limit;
852 Html
::rawElement( 'div',
853 [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
859 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
861 $out->addWikiMsg( 'linkstoimage', $count );
863 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
864 $out->addWikiMsg( 'linkstoimage-more',
865 $this->getContext()->getLanguage()->formatNum( $limit ),
866 $this->getTitle()->getPrefixedDBkey()
871 Html
::openElement( 'ul',
872 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
876 // Sort the list by namespace:title
877 usort( $rows, [ $this, 'compare' ] );
879 // Create links for every element
881 foreach ( $rows as $element ) {
883 if ( $currentCount > $limit ) {
888 # Add a redirect=no to make redirect pages reachable
889 if ( isset( $redirects[$element->page_title
] ) ) {
890 $query['redirect'] = 'no';
892 $link = Linker
::linkKnown(
893 Title
::makeTitle( $element->page_namespace
, $element->page_title
),
896 if ( !isset( $redirects[$element->page_title
] ) ) {
899 } elseif ( count( $redirects[$element->page_title
] ) === 0 ) {
900 # Redirect without usages
901 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
902 ->rawParams( $link, '' )
905 # Redirect with usages
907 foreach ( $redirects[$element->page_title
] as $row ) {
909 if ( $currentCount > $limit ) {
913 $link2 = Linker
::linkKnown( Title
::makeTitle( $row->page_namespace
, $row->page_title
) );
914 $li .= Html
::rawElement(
916 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
],
921 $ul = Html
::rawElement(
923 [ 'class' => 'mw-imagepage-redirectstofile' ],
926 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
927 $link, $ul )->parse();
929 $out->addHTML( Html
::rawElement(
931 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
],
937 $out->addHTML( Html
::closeElement( 'ul' ) . "\n" );
940 // Add a links to [[Special:Whatlinkshere]]
941 if ( $count > $limit ) {
942 $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
944 $out->addHTML( Html
::closeElement( 'div' ) . "\n" );
947 protected function imageDupes() {
949 $out = $this->getContext()->getOutput();
951 $dupes = $this->mPage
->getDuplicates();
952 if ( count( $dupes ) == 0 ) {
956 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
957 $out->addWikiMsg( 'duplicatesoffile',
958 $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
960 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
965 foreach ( $dupes as $file ) {
967 if ( $file->isLocal() ) {
968 $link = Linker
::linkKnown( $file->getTitle() );
970 $link = Linker
::makeExternalLink( $file->getDescriptionUrl(),
971 $file->getTitle()->getPrefixedText() );
972 $fromSrc = $this->getContext()->msg(
974 $file->getRepo()->getDisplayName()
977 $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
979 $out->addHTML( "</ul></div>\n" );
983 * Delete the file, or an earlier version of it
985 public function delete() {
986 $file = $this->mPage
->getFile();
987 if ( !$file->exists() ||
!$file->isLocal() ||
$file->getRedirected() ) {
988 // Standard article deletion
993 $deleter = new FileDeleteForm( $file );
998 * Display an error with a wikitext description
1000 * @param string $description
1002 function showError( $description ) {
1003 $out = $this->getContext()->getOutput();
1004 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
1005 $out->setRobotPolicy( 'noindex,nofollow' );
1006 $out->setArticleRelated( false );
1007 $out->enableClientCache( false );
1008 $out->addWikiText( $description );
1012 * Callback for usort() to do link sorts by (namespace, title)
1013 * Function copied from Title::compare()
1015 * @param object $a Object page to compare with
1016 * @param object $b Object page to compare with
1017 * @return int Result of string comparison, or namespace comparison
1019 protected function compare( $a, $b ) {
1020 return $a->page_namespace
<=> $b->page_namespace
1021 ?
: strcmp( $a->page_title
, $b->page_title
);
1025 * Returns the corresponding $wgImageLimits entry for the selected user option
1028 * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1032 public function getImageLimitsFromOption( $user, $optionName ) {
1033 global $wgImageLimits;
1035 $option = $user->getIntOption( $optionName );
1036 if ( !isset( $wgImageLimits[$option] ) ) {
1037 $option = User
::getDefaultOption( $optionName );
1040 // The user offset might still be incorrect, specially if
1041 // $wgImageLimits got changed (see T10858).
1042 if ( !isset( $wgImageLimits[$option] ) ) {
1043 // Default to the first offset in $wgImageLimits
1047 // if nothing is set, fallback to a hardcoded default
1048 return $wgImageLimits[$option] ??
[ 800, 600 ];
1052 * Output a drop-down box for language options for the file
1054 * @param array $langChoices Array of string language codes
1055 * @param string $renderLang Language code for the language we want the file to rendered in.
1056 * @return string HTML to insert underneath image.
1058 protected function doRenderLangOpt( array $langChoices, $renderLang ) {
1062 $matchedRenderLang = $this->displayImg
->getMatchedLanguage( $renderLang );
1064 foreach ( $langChoices as $lang ) {
1065 $opts .= $this->createXmlOptionStringForLanguage(
1067 $matchedRenderLang === $lang
1071 // Allow for the default case in an svg <switch> that is displayed if no
1072 // systemLanguage attribute matches
1075 $this->getContext()->msg( 'img-lang-default' )->text(),
1077 is_null( $matchedRenderLang )
1080 $select = Html
::rawElement(
1082 [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1085 $submit = Xml
::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1087 $formContents = $this->getContext()->msg( 'img-lang-info' )
1088 ->rawParams( $select, $submit )
1090 $formContents .= Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1092 $langSelectLine = Html
::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1093 Html
::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1095 return $langSelectLine;
1099 * @param $lang string
1100 * @param $selected bool
1103 private function createXmlOptionStringForLanguage( $lang, $selected ) {
1104 $code = LanguageCode
::bcp47( $lang );
1105 $name = Language
::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1106 if ( $name !== '' ) {
1107 $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1120 * Get the width and height to display image at.
1122 * @note This method assumes that it is only called if one
1123 * of the dimensions are bigger than the max, or if the
1124 * image is vectorized.
1126 * @param int $maxWidth Max width to display at
1127 * @param int $maxHeight Max height to display at
1128 * @param int $width Actual width of the image
1129 * @param int $height Actual height of the image
1130 * @throws MWException
1131 * @return array Array (width, height)
1133 protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1134 if ( !$maxWidth ||
!$maxHeight ) {
1135 // should never happen
1136 throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1139 if ( !$width ||
!$height ) {
1143 # Calculate the thumbnail size.
1144 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1145 // Vectorized image, do nothing.
1146 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1147 # The limiting factor is the width, not the height.
1148 $height = round( $height * $maxWidth / $width );
1150 # Note that $height <= $maxHeight now.
1152 $newwidth = floor( $width * $maxHeight / $height );
1153 $height = round( $height * $newwidth / $width );
1155 # Note that $height <= $maxHeight now, but might not be identical
1156 # because of rounding.
1158 return [ $width, $height ];
1162 * Get alternative thumbnail sizes.
1164 * @note This will only list several alternatives if thumbnails are rendered on 404
1165 * @param int $origWidth Actual width of image
1166 * @param int $origHeight Actual height of image
1167 * @return array An array of [width, height] pairs.
1169 protected function getThumbSizes( $origWidth, $origHeight ) {
1170 global $wgImageLimits;
1171 if ( $this->displayImg
->getRepo()->canTransformVia404() ) {
1172 $thumbSizes = $wgImageLimits;
1173 // Also include the full sized resolution in the list, so
1174 // that users know they can get it. This will link to the
1175 // original file asset if mustRender() === false. In the case
1176 // that we mustRender, some users have indicated that they would
1177 // find it useful to have the full size image in the rendered
1179 $thumbSizes[] = [ $origWidth, $origHeight ];
1181 # Creating thumb links triggers thumbnail generation.
1182 # Just generate the thumb for the current users prefs.
1184 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1186 if ( !$this->displayImg
->mustRender() ) {
1187 // We can safely include a link to the "full-size" preview,
1188 // without actually rendering.
1189 $thumbSizes[] = [ $origWidth, $origHeight ];
1196 * @see WikiFilePage::getFile
1199 public function getFile() {
1200 return $this->mPage
->getFile();
1204 * @see WikiFilePage::isLocal
1207 public function isLocal() {
1208 return $this->mPage
->isLocal();
1212 * @see WikiFilePage::getDuplicates
1213 * @return array|null
1215 public function getDuplicates() {
1216 return $this->mPage
->getDuplicates();
1220 * @see WikiFilePage::getForeignCategories
1221 * @return TitleArray|Title[]
1223 public function getForeignCategories() {
1224 $this->mPage
->getForeignCategories();