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
24 * Class for viewing MediaWiki file description pages
28 class ImagePage
extends Article
{
39 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;
72 Hooks
::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg
] );
73 if ( !$img ) { // not set by hook?
74 $img = wfFindFile( $this->getTitle() );
76 $img = wfLocalFile( $this->getTitle() );
79 $this->mPage
->setFile( $img );
80 if ( !$this->displayImg
) { // not set by hook?
81 $this->displayImg
= $img;
83 $this->repo
= $img->getRepo();
87 * Handler for action=render
88 * Include body text only; none of the image extras
90 public function render() {
91 $this->getContext()->getOutput()->setArticleBodyOnly( true );
95 public function view() {
98 $out = $this->getContext()->getOutput();
99 $request = $this->getContext()->getRequest();
100 $diff = $request->getVal( 'diff' );
101 $diffOnly = $request->getBool(
103 $this->getContext()->getUser()->getOption( 'diffonly' )
106 if ( $this->getTitle()->getNamespace() != NS_FILE ||
( $diff !== null && $diffOnly ) ) {
113 if ( $this->getTitle()->getNamespace() == NS_FILE
&& $this->mPage
->getFile()->getRedirected() ) {
114 if ( $this->getTitle()->getDBkey() == $this->mPage
->getFile()->getName() ||
$diff !== null ) {
115 // mTitle is the same as the redirect target so ask Article
116 // to perform the redirect for us.
117 $request->setVal( 'diffonly', 'true' );
121 // mTitle is not the same as the redirect target so it is
122 // probably the redirect page itself. Fake the redirect symbol
123 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
124 $out->addHTML( $this->viewRedirect(
125 Title
::makeTitle( NS_FILE
, $this->mPage
->getFile()->getName() ),
126 /* $appendSubtitle */ true,
127 /* $forceKnown */ true )
129 $this->mPage
->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
134 if ( $wgShowEXIF && $this->displayImg
->exists() ) {
135 // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
136 $formattedMetadata = $this->displayImg
->formatMetadata( $this->getContext() );
137 $showmeta = $formattedMetadata !== false;
142 if ( !$diff && $this->displayImg
->exists() ) {
143 $out->addHTML( $this->showTOC( $showmeta ) );
147 $this->openShowImage();
150 # No need to display noarticletext, we use our own message, output in openShowImage()
151 if ( $this->mPage
->getId() ) {
152 # NS_FILE is in the user language, but this section (the actual wikitext)
153 # should be in page content language
154 $pageLang = $this->getTitle()->getPageViewLanguage();
155 $out->addHTML( Xml
::openElement( 'div', [ 'id' => 'mw-imagepage-content',
156 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
157 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
161 $out->addHTML( Xml
::closeElement( 'div' ) );
163 # Just need to set the right headers
164 $out->setArticleFlag( true );
165 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
166 $this->mPage
->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
169 # Show shared description, if needed
170 if ( $this->mExtraDescription
) {
171 $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
172 if ( !$fol->isDisabled() ) {
173 $out->addWikiText( $fol->plain() );
175 $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription
. "</div>\n" );
178 $this->closeShowImage();
179 $this->imageHistory();
180 // TODO: Cleanup the following
182 $out->addHTML( Xml
::element( 'h2',
183 [ 'id' => 'filelinks' ],
184 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
186 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
187 # Yet we return metadata about the target. Definitely an issue in the FileRepo
190 # Allow extensions to add something after the image links
192 Hooks
::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
194 $out->addHTML( $html );
198 $out->addHTML( Xml
::element(
200 [ 'id' => 'metadata' ],
201 $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
202 $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
203 $out->addModules( [ 'mediawiki.action.view.metadata' ] );
206 // Add remote Filepage.css
207 if ( !$this->repo
->isLocal() ) {
208 $css = $this->repo
->getDescriptionStylesheetUrl();
210 $out->addStyle( $css );
214 $out->addModuleStyles( [
215 'filepage', // always show the local local Filepage.css, bug 29277
216 'mediawiki.action.view.filepage', // Add MediaWiki styles for a file page
223 public function getDisplayedFile() {
225 return $this->displayImg
;
231 * @param bool $metadata Whether or not to show the metadata link
234 protected function showTOC( $metadata ) {
236 '<li><a href="#file">' . $this->getContext()->msg( 'file-anchor-link' )->escaped() . '</a></li>',
237 '<li><a href="#filehistory">' . $this->getContext()->msg( 'filehist' )->escaped() . '</a></li>',
238 '<li><a href="#filelinks">' . $this->getContext()->msg( 'imagelinks' )->escaped() . '</a></li>',
241 Hooks
::run( 'ImagePageShowTOC', [ $this, &$r ] );
244 $r[] = '<li><a href="#metadata">' .
245 $this->getContext()->msg( 'metadata' )->escaped() .
249 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
253 * Make a table with metadata to be shown in the output page.
255 * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
257 * @param array $metadata The array containing the Exif data
258 * @return string The metadata table. This is treated as Wikitext (!)
260 protected function makeMetadataTable( $metadata ) {
261 $r = "<div class=\"mw-imagepage-section-metadata\">";
262 $r .= $this->getContext()->msg( 'metadata-help' )->plain();
263 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
264 foreach ( $metadata as $type => $stuff ) {
265 foreach ( $stuff as $v ) {
266 # @todo FIXME: Why is this using escapeId for a class?!
267 $class = Sanitizer
::escapeId( $v['id'] );
268 if ( $type == 'collapsed' ) {
269 // Handled by mediawiki.action.view.metadata module.
270 $class .= ' collapsable';
272 $r .= "<tr class=\"$class\">\n";
273 $r .= "<th>{$v['name']}</th>\n";
274 $r .= "<td>{$v['value']}</td>\n</tr>";
277 $r .= "</table>\n</div>\n";
282 * Overloading Article's getContentObject method.
284 * Omit noarticletext if sharedupload; text will be fetched from the
285 * shared upload server if possible.
288 public function getContentObject() {
290 if ( $this->mPage
->getFile() && !$this->mPage
->getFile()->isLocal() && 0 == $this->getId() ) {
293 return parent
::getContentObject();
296 protected function openShowImage() {
297 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
300 $out = $this->getContext()->getOutput();
301 $user = $this->getContext()->getUser();
302 $lang = $this->getContext()->getLanguage();
303 $dirmark = $lang->getDirMarkEntity();
304 $request = $this->getContext()->getRequest();
306 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
308 $maxHeight = $max[1];
310 if ( $this->displayImg
->exists() ) {
312 $page = $request->getIntOrNull( 'page' );
313 if ( is_null( $page ) ) {
317 $params = [ 'page' => $page ];
320 $renderLang = $request->getVal( 'lang' );
321 if ( !is_null( $renderLang ) ) {
322 $handler = $this->displayImg
->getHandler();
323 if ( $handler && $handler->validateParam( 'lang', $renderLang ) ) {
324 $params['lang'] = $renderLang;
330 $width_orig = $this->displayImg
->getWidth( $page );
331 $width = $width_orig;
332 $height_orig = $this->displayImg
->getHeight( $page );
333 $height = $height_orig;
335 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
336 $linktext = $filename;
338 Hooks
::run( 'ImageOpenShowImageInlineBefore', [ &$this, &$out ] );
340 if ( $this->displayImg
->allowInlineDisplay() ) {
342 # "Download high res version" link below the image
343 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
344 # Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
345 # We'll show a thumbnail of this image
346 if ( $width > $maxWidth ||
$height > $maxHeight ||
$this->displayImg
->isVectorized() ) {
347 list( $width, $height ) = $this->getDisplayWidthHeight(
348 $maxWidth, $maxHeight, $width, $height
350 $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
352 $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
353 # Generate thumbnails or thumbnail links as needed...
355 foreach ( $thumbSizes as $size ) {
356 // We include a thumbnail size in the list, if it is
357 // less than or equal to the original size of the image
358 // asset ($width_orig/$height_orig). We also exclude
359 // the current thumbnail's size ($width/$height)
360 // since that is added to the message separately, so
361 // it can be denoted as the current size being shown.
362 // Vectorized images are limited by $wgSVGMaxSize big,
363 // so all thumbs less than or equal that are shown.
364 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
365 ||
( $this->displayImg
->isVectorized()
366 && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
368 && $size[0] != $width && $size[1] != $height
370 $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
372 $otherSizes[] = $sizeLink;
376 $otherSizes = array_unique( $otherSizes );
378 $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
379 $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
380 if ( count( $otherSizes ) ) {
384 [ 'class' => 'mw-filepage-other-resolutions' ],
385 $this->getContext()->msg( 'show-big-image-other' )
386 ->rawParams( $lang->pipeList( $otherSizes ) )
387 ->params( count( $otherSizes ) )
391 } elseif ( $width == 0 && $height == 0 ) {
392 # Some sort of audio file that doesn't have dimensions
393 # Don't output a no hi res message for such a file
396 # Image is small enough to show full size on image page
397 $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
400 $params['width'] = $width;
401 $params['height'] = $height;
402 $thumbnail = $this->displayImg
->transform( $params );
403 Linker
::processResponsiveImages( $this->displayImg
, $thumbnail, $params );
405 $anchorclose = Html
::rawElement(
407 [ 'class' => 'mw-filepage-resolutioninfo' ],
411 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
413 $out->addModules( 'mediawiki.page.image.pagination' );
414 $out->addHTML( '<table class="multipageimage"><tr><td>' );
419 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
422 $out->addHTML( '<div class="fullImageLink" id="file">' .
423 $thumbnail->toHtml( $options ) .
424 $anchorclose . "</div>\n" );
428 $count = $this->displayImg
->pageCount();
431 $label = $out->parse( $this->getContext()->msg( 'imgmultipageprev' )->text(), false );
432 // on the client side, this link is generated in ajaxifyPageNavigation()
433 // in the mediawiki.page.image.pagination module
434 $link = Linker
::linkKnown(
438 [ 'page' => $page - 1 ]
440 $thumb1 = Linker
::makeThumbLinkObj(
446 [ 'page' => $page - 1 ]
452 if ( $page < $count ) {
453 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
454 $link = Linker
::linkKnown(
458 [ 'page' => $page +
1 ]
460 $thumb2 = Linker
::makeThumbLinkObj(
466 [ 'page' => $page +
1 ]
475 'name' => 'pageselector',
476 'action' => $wgScript,
479 for ( $i = 1; $i <= $count; $i++
) {
480 $options[] = Xml
::option( $lang->formatNum( $i ), $i, $i == $page );
482 $select = Xml
::tags( 'select',
483 [ 'id' => 'pageselector', 'name' => 'page' ],
484 implode( "\n", $options ) );
487 '</td><td><div class="multipageimagenavbox">' .
488 Xml
::openElement( 'form', $formParams ) .
489 Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
490 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
491 Xml
::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
492 Xml
::closeElement( 'form' ) .
493 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
496 } elseif ( $this->displayImg
->isSafeFile() ) {
497 # if direct link is allowed but it's not a renderable image, show an icon.
498 $icon = $this->displayImg
->iconThumb();
500 $out->addHTML( '<div class="fullImageLink" id="file">' .
501 $icon->toHtml( [ 'file-link' => true ] ) .
505 $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg
->getLongDesc() )->text();
507 $handler = $this->displayImg
->getHandler();
509 // If this is a filetype with potential issues, warn the user.
511 $warningConfig = $handler->getWarningConfig( $this->displayImg
);
513 if ( $warningConfig !== null ) {
514 // The warning will be displayed via CSS and JavaScript.
515 // We just need to tell the client side what message to use.
516 $output = $this->getContext()->getOutput();
517 $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
518 $output->addModules( $warningConfig['module'] );
519 $output->addModules( 'mediawiki.filewarning' );
523 $medialink = "[[Media:$filename|$linktext]]";
525 if ( !$this->displayImg
->isSafeFile() ) {
526 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
527 // dirmark is needed here to separate the file name, which
528 // most likely ends in Latin characters, from the description,
529 // which may begin with the file type. In RTL environment
530 // this will get messy.
531 // The dirmark, however, must not be immediately adjacent
532 // to the filename, because it can get copied with it.
534 // @codingStandardsIgnoreStart Ignore long line
535 $out->addWikiText( <<<EOT
536 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
537 <div class="mediaWarning">$warning</div>
540 // @codingStandardsIgnoreEnd
542 $out->addWikiText( <<<EOT
543 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
549 $renderLangOptions = $this->displayImg
->getAvailableLanguages();
550 if ( count( $renderLangOptions ) >= 1 ) {
551 $currentLanguage = $renderLang;
552 $defaultLang = $this->displayImg
->getDefaultRenderLanguage();
553 if ( is_null( $currentLanguage ) ) {
554 $currentLanguage = $defaultLang;
556 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $currentLanguage, $defaultLang ) );
559 // Add cannot animate thumbnail warning
560 if ( !$this->displayImg
->canAnimateThumbIfAppropriate() ) {
561 // Include the extension so wiki admins can
562 // customize it on a per file-type basis
563 // (aka say things like use format X instead).
564 // additionally have a specific message for
565 // file-no-thumb-animation-gif
566 $ext = $this->displayImg
->getExtension();
567 $noAnimMesg = wfMessageFallback(
568 'file-no-thumb-animation-' . $ext,
569 'file-no-thumb-animation'
572 $out->addWikiText( <<<EOT
573 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
578 if ( !$this->displayImg
->isLocal() ) {
579 $this->printSharedImageText();
582 # Image does not exist
583 if ( !$this->getId() ) {
584 # No article exists either
585 # Show deletion log to be consistent with normal articles
586 LogEventsList
::showLogExtract(
588 [ 'delete', 'move' ],
589 $this->getTitle()->getPrefixedText(),
592 'conds' => [ "log_action != 'revision'" ],
593 'showIfEmpty' => false,
594 'msgKey' => [ 'moveddeleted-notice' ]
599 if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
600 // Only show an upload link if the user can upload
601 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
603 'filepage-nofile-link',
604 $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage
->getFile()->getName() ] )
607 $nofile = 'filepage-nofile';
609 // Note, if there is an image description page, but
610 // no image, then this setRobotPolicy is overridden
611 // by Article::View().
612 $out->setRobotPolicy( 'noindex,nofollow' );
613 $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
614 if ( !$this->getId() && $wgSend404Code ) {
615 // If there is no image, no shared image, and no description page,
616 // output a 404, to be consistent with Article::showMissingArticle.
617 $request->response()->statusHeader( 404 );
620 $out->setFileVersion( $this->displayImg
);
624 * Make the text under the image to say what size preview
626 * @param $params array parameters for thumbnail
627 * @param $sizeLinkBigImagePreview HTML for the current size
628 * @return string HTML output
630 private function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
631 if ( $sizeLinkBigImagePreview ) {
632 // Show a different message of preview is different format from original.
633 $previewTypeDiffers = false;
634 $origExt = $thumbExt = $this->displayImg
->getExtension();
635 if ( $this->displayImg
->getHandler() ) {
636 $origMime = $this->displayImg
->getMimeType();
637 $typeParams = $params;
638 $this->displayImg
->getHandler()->normaliseParams( $this->displayImg
, $typeParams );
639 list( $thumbExt, $thumbMime ) = $this->displayImg
->getHandler()->getThumbType(
640 $origExt, $origMime, $typeParams );
641 if ( $thumbMime !== $origMime ) {
642 $previewTypeDiffers = true;
645 if ( $previewTypeDiffers ) {
646 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
647 rawParams( $sizeLinkBigImagePreview )->
648 params( strtoupper( $origExt ) )->
649 params( strtoupper( $thumbExt ) )->
652 return $this->getContext()->msg( 'show-big-image-preview' )->
653 rawParams( $sizeLinkBigImagePreview )->
662 * Creates an thumbnail of specified size and returns an HTML link to it
663 * @param array $params Scaler parameters
668 private function makeSizeLink( $params, $width, $height ) {
669 $params['width'] = $width;
670 $params['height'] = $height;
671 $thumbnail = $this->displayImg
->transform( $params );
672 if ( $thumbnail && !$thumbnail->isError() ) {
673 return Html
::rawElement( 'a', [
674 'href' => $thumbnail->getUrl(),
675 'class' => 'mw-thumbnail-link'
676 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
677 $thumbnail->getWidth(), $thumbnail->getHeight()
685 * Show a notice that the file is from a shared repository
687 protected function printSharedImageText() {
688 $out = $this->getContext()->getOutput();
691 $descUrl = $this->mPage
->getFile()->getDescriptionUrl();
692 $descText = $this->mPage
->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
694 /* Add canonical to head if there is no local page for this shared file */
695 if ( $descUrl && $this->mPage
->getId() == 0 ) {
696 $out->setCanonicalUrl( $descUrl );
699 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
700 $repo = $this->mPage
->getFile()->getRepo()->getDisplayName();
704 $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
706 $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
707 } elseif ( $descUrl &&
708 $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
710 $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
712 $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
716 $this->mExtraDescription
= $descText;
720 public function getUploadUrl() {
722 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
723 return $uploadTitle->getFullURL( [
724 'wpDestFile' => $this->mPage
->getFile()->getName(),
730 * Print out the various links at the bottom of the image page, e.g. reupload,
731 * external editing (and instructions link) etc.
733 protected function uploadLinksBox() {
734 global $wgEnableUploads;
736 if ( !$wgEnableUploads ) {
741 if ( !$this->mPage
->getFile()->isLocal() ) {
745 $out = $this->getContext()->getOutput();
746 $out->addHTML( "<ul>\n" );
748 # "Upload a new version of this file" link
749 $canUpload = $this->getTitle()->quickUserCan( 'upload', $this->getContext()->getUser() );
750 if ( $canUpload && UploadBase
::userCanReUpload(
751 $this->getContext()->getUser(),
752 $this->mPage
->getFile() )
754 $ulink = Linker
::makeExternalLink(
755 $this->getUploadUrl(),
756 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
758 $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
759 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
761 $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
762 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
765 $out->addHTML( "</ul>\n" );
771 protected function closeShowImage() {
775 * If the page we've just displayed is in the "Image" namespace,
776 * we follow it with an upload history of the image and its usage.
778 protected function imageHistory() {
780 $out = $this->getContext()->getOutput();
781 $pager = new ImageHistoryPseudoPager( $this );
782 $out->addHTML( $pager->getBody() );
783 $out->preventClickjacking( $pager->getPreventClickjacking() );
785 $this->mPage
->getFile()->resetHistory(); // free db resources
787 # Exist check because we don't want to show this on pages where an image
788 # doesn't exist along with the noimage message, that would suck. -ævar
789 if ( $this->mPage
->getFile()->exists() ) {
790 $this->uploadLinksBox();
795 * @param string $target
797 * @return ResultWrapper
799 protected function queryImageLinks( $target, $limit ) {
800 $dbr = wfGetDB( DB_REPLICA
);
803 [ 'imagelinks', 'page' ],
804 [ 'page_namespace', 'page_title', 'il_to' ],
805 [ 'il_to' => $target, 'il_from = page_id' ],
807 [ 'LIMIT' => $limit +
1, 'ORDER BY' => 'il_from', ]
811 protected function imageLinks() {
814 $out = $this->getContext()->getOutput();
818 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE
) as $redir ) {
819 $redirects[$redir->getDBkey()] = [];
821 'page_namespace' => NS_FILE
,
822 'page_title' => $redir->getDBkey(),
826 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit +
1 );
827 foreach ( $res as $row ) {
830 $count = count( $rows );
832 $hasMore = $count > $limit;
833 if ( !$hasMore && count( $redirects ) ) {
834 $res = $this->queryImageLinks( array_keys( $redirects ),
835 $limit - count( $rows ) +
1 );
836 foreach ( $res as $row ) {
837 $redirects[$row->il_to
][] = $row;
840 $hasMore = ( $res->numRows() +
count( $rows ) ) > $limit;
845 Html
::rawElement( 'div',
846 [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
852 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
854 $out->addWikiMsg( 'linkstoimage', $count );
856 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
857 $out->addWikiMsg( 'linkstoimage-more',
858 $this->getContext()->getLanguage()->formatNum( $limit ),
859 $this->getTitle()->getPrefixedDBkey()
864 Html
::openElement( 'ul',
865 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
869 // Sort the list by namespace:title
870 usort( $rows, [ $this, 'compare' ] );
872 // Create links for every element
874 foreach ( $rows as $element ) {
876 if ( $currentCount > $limit ) {
881 # Add a redirect=no to make redirect pages reachable
882 if ( isset( $redirects[$element->page_title
] ) ) {
883 $query['redirect'] = 'no';
885 $link = Linker
::linkKnown(
886 Title
::makeTitle( $element->page_namespace
, $element->page_title
),
889 if ( !isset( $redirects[$element->page_title
] ) ) {
892 } elseif ( count( $redirects[$element->page_title
] ) === 0 ) {
893 # Redirect without usages
894 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
895 ->rawParams( $link, '' )
898 # Redirect with usages
900 foreach ( $redirects[$element->page_title
] as $row ) {
902 if ( $currentCount > $limit ) {
906 $link2 = Linker
::linkKnown( Title
::makeTitle( $row->page_namespace
, $row->page_title
) );
907 $li .= Html
::rawElement(
909 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
],
914 $ul = Html
::rawElement(
916 [ 'class' => 'mw-imagepage-redirectstofile' ],
919 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
920 $link, $ul )->parse();
922 $out->addHTML( Html
::rawElement(
924 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
],
930 $out->addHTML( Html
::closeElement( 'ul' ) . "\n" );
933 // Add a links to [[Special:Whatlinkshere]]
934 if ( $count > $limit ) {
935 $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
937 $out->addHTML( Html
::closeElement( 'div' ) . "\n" );
940 protected function imageDupes() {
942 $out = $this->getContext()->getOutput();
944 $dupes = $this->mPage
->getDuplicates();
945 if ( count( $dupes ) == 0 ) {
949 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
950 $out->addWikiMsg( 'duplicatesoffile',
951 $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
953 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
958 foreach ( $dupes as $file ) {
960 if ( $file->isLocal() ) {
961 $link = Linker
::linkKnown( $file->getTitle() );
963 $link = Linker
::makeExternalLink( $file->getDescriptionUrl(),
964 $file->getTitle()->getPrefixedText() );
965 $fromSrc = $this->getContext()->msg(
967 $file->getRepo()->getDisplayName()
970 $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
972 $out->addHTML( "</ul></div>\n" );
976 * Delete the file, or an earlier version of it
978 public function delete() {
979 $file = $this->mPage
->getFile();
980 if ( !$file->exists() ||
!$file->isLocal() ||
$file->getRedirected() ) {
981 // Standard article deletion
986 $deleter = new FileDeleteForm( $file );
991 * Display an error with a wikitext description
993 * @param string $description
995 function showError( $description ) {
996 $out = $this->getContext()->getOutput();
997 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
998 $out->setRobotPolicy( 'noindex,nofollow' );
999 $out->setArticleRelated( false );
1000 $out->enableClientCache( false );
1001 $out->addWikiText( $description );
1005 * Callback for usort() to do link sorts by (namespace, title)
1006 * Function copied from Title::compare()
1008 * @param object $a Object page to compare with
1009 * @param object $b Object page to compare with
1010 * @return int Result of string comparison, or namespace comparison
1012 protected function compare( $a, $b ) {
1013 if ( $a->page_namespace
== $b->page_namespace
) {
1014 return strcmp( $a->page_title
, $b->page_title
);
1016 return $a->page_namespace
- $b->page_namespace
;
1021 * Returns the corresponding $wgImageLimits entry for the selected user option
1024 * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1028 public function getImageLimitsFromOption( $user, $optionName ) {
1029 global $wgImageLimits;
1031 $option = $user->getIntOption( $optionName );
1032 if ( !isset( $wgImageLimits[$option] ) ) {
1033 $option = User
::getDefaultOption( $optionName );
1036 // The user offset might still be incorrect, specially if
1037 // $wgImageLimits got changed (see bug #8858).
1038 if ( !isset( $wgImageLimits[$option] ) ) {
1039 // Default to the first offset in $wgImageLimits
1043 return isset( $wgImageLimits[$option] )
1044 ?
$wgImageLimits[$option]
1045 : [ 800, 600 ]; // if nothing is set, fallback to a hardcoded default
1049 * Output a drop-down box for language options for the file
1051 * @param array $langChoices Array of string language codes
1052 * @param string $curLang Language code file is being viewed in.
1053 * @param string $defaultLang Language code that image is rendered in by default
1054 * @return string HTML to insert underneath image.
1056 protected function doRenderLangOpt( array $langChoices, $curLang, $defaultLang ) {
1058 sort( $langChoices );
1059 $curLang = wfBCP47( $curLang );
1060 $defaultLang = wfBCP47( $defaultLang );
1062 $haveCurrentLang = false;
1063 $haveDefaultLang = false;
1065 // We make a list of all the language choices in the file.
1066 // Additionally if the default language to render this file
1067 // is not included as being in this file (for example, in svgs
1068 // usually the fallback content is the english content) also
1069 // include a choice for that. Last of all, if we're viewing
1070 // the file in a language not on the list, add it as a choice.
1071 foreach ( $langChoices as $lang ) {
1072 $code = wfBCP47( $lang );
1073 $name = Language
::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1074 if ( $name !== '' ) {
1075 $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1079 $opts .= "\n" . Xml
::option( $display, $code, $curLang === $code );
1080 if ( $curLang === $code ) {
1081 $haveCurrentLang = true;
1083 if ( $defaultLang === $code ) {
1084 $haveDefaultLang = true;
1087 if ( !$haveDefaultLang ) {
1088 // Its hard to know if the content is really in the default language, or
1089 // if its just unmarked content that could be in any language.
1090 $opts = Xml
::option(
1091 $this->getContext()->msg( 'img-lang-default' )->text(),
1093 $defaultLang === $curLang
1096 if ( !$haveCurrentLang && $defaultLang !== $curLang ) {
1097 $name = Language
::fetchLanguageName( $curLang, $this->getContext()->getLanguage()->getCode() );
1098 if ( $name !== '' ) {
1099 $display = $this->getContext()->msg( 'img-lang-opt', $curLang, $name )->text();
1101 $display = $curLang;
1103 $opts = Xml
::option( $display, $curLang, true ) . $opts;
1106 $select = Html
::rawElement(
1108 [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1111 $submit = Xml
::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1113 $formContents = $this->getContext()->msg( 'img-lang-info' )
1114 ->rawParams( $select, $submit )
1116 $formContents .= Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1118 $langSelectLine = Html
::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1119 Html
::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1121 return $langSelectLine;
1125 * Get the width and height to display image at.
1127 * @note This method assumes that it is only called if one
1128 * of the dimensions are bigger than the max, or if the
1129 * image is vectorized.
1131 * @param int $maxWidth Max width to display at
1132 * @param int $maxHeight Max height to display at
1133 * @param int $width Actual width of the image
1134 * @param int $height Actual height of the image
1135 * @throws MWException
1136 * @return array Array (width, height)
1138 protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1139 if ( !$maxWidth ||
!$maxHeight ) {
1140 // should never happen
1141 throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1144 if ( !$width ||
!$height ) {
1148 # Calculate the thumbnail size.
1149 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1150 // Vectorized image, do nothing.
1151 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1152 # The limiting factor is the width, not the height.
1153 $height = round( $height * $maxWidth / $width );
1155 # Note that $height <= $maxHeight now.
1157 $newwidth = floor( $width * $maxHeight / $height );
1158 $height = round( $height * $newwidth / $width );
1160 # Note that $height <= $maxHeight now, but might not be identical
1161 # because of rounding.
1163 return [ $width, $height ];
1167 * Get alternative thumbnail sizes.
1169 * @note This will only list several alternatives if thumbnails are rendered on 404
1170 * @param int $origWidth Actual width of image
1171 * @param int $origHeight Actual height of image
1172 * @return array An array of [width, height] pairs.
1174 protected function getThumbSizes( $origWidth, $origHeight ) {
1175 global $wgImageLimits;
1176 if ( $this->displayImg
->getRepo()->canTransformVia404() ) {
1177 $thumbSizes = $wgImageLimits;
1178 // Also include the full sized resolution in the list, so
1179 // that users know they can get it. This will link to the
1180 // original file asset if mustRender() === false. In the case
1181 // that we mustRender, some users have indicated that they would
1182 // find it useful to have the full size image in the rendered
1184 $thumbSizes[] = [ $origWidth, $origHeight ];
1186 # Creating thumb links triggers thumbnail generation.
1187 # Just generate the thumb for the current users prefs.
1189 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1191 if ( !$this->displayImg
->mustRender() ) {
1192 // We can safely include a link to the "full-size" preview,
1193 // without actually rendering.
1194 $thumbSizes[] = [ $origWidth, $origHeight ];
1201 * @see WikiFilePage::getFile
1204 public function getFile() {
1205 return $this->mPage
->getFile();
1209 * @see WikiFilePage::isLocal
1212 public function isLocal() {
1213 return $this->mPage
->isLocal();
1217 * @see WikiFilePage::getDuplicates
1218 * @return array|null
1220 public function getDuplicates() {
1221 return $this->mPage
->getDuplicates();
1225 * @see WikiFilePage::getForeignCategories
1226 * @return TitleArray|Title[]
1228 public function getForeignCategories() {
1229 $this->mPage
->getForeignCategories();