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;
43 * @return WikiFilePage
45 protected function newPage( Title
$title ) {
46 // Overload mPage with a file-specific page
47 return new WikiFilePage( $title );
51 * Constructor from a page id
52 * @param int $id Article ID to load
53 * @return ImagePage|null
55 public static function newFromID( $id ) {
56 $t = Title
::newFromID( $id );
57 # @todo FIXME: Doesn't inherit right
58 return $t == null ?
null : new self( $t );
59 # return $t == null ? null : new static( $t ); // PHP 5.3
66 public function setFile( $file ) {
67 $this->mPage
->setFile( $file );
68 $this->displayImg
= $file;
69 $this->fileLoaded
= true;
72 protected function loadFile() {
73 if ( $this->fileLoaded
) {
76 $this->fileLoaded
= true;
78 $this->displayImg
= $img = false;
79 wfRunHooks( 'ImagePageFindFile', array( $this, &$img, &$this->displayImg
) );
80 if ( !$img ) { // not set by hook?
81 $img = wfFindFile( $this->getTitle() );
83 $img = wfLocalFile( $this->getTitle() );
86 $this->mPage
->setFile( $img );
87 if ( !$this->displayImg
) { // not set by hook?
88 $this->displayImg
= $img;
90 $this->repo
= $img->getRepo();
94 * Handler for action=render
95 * Include body text only; none of the image extras
97 public function render() {
98 $this->getContext()->getOutput()->setArticleBodyOnly( true );
102 public function view() {
105 $out = $this->getContext()->getOutput();
106 $request = $this->getContext()->getRequest();
107 $diff = $request->getVal( 'diff' );
108 $diffOnly = $request->getBool(
110 $this->getContext()->getUser()->getOption( 'diffonly' )
113 if ( $this->getTitle()->getNamespace() != NS_FILE ||
( $diff !== null && $diffOnly ) ) {
120 if ( $this->getTitle()->getNamespace() == NS_FILE
&& $this->mPage
->getFile()->getRedirected() ) {
121 if ( $this->getTitle()->getDBkey() == $this->mPage
->getFile()->getName() ||
$diff !== null ) {
122 // mTitle is the same as the redirect target so ask Article
123 // to perform the redirect for us.
124 $request->setVal( 'diffonly', 'true' );
128 // mTitle is not the same as the redirect target so it is
129 // probably the redirect page itself. Fake the redirect symbol
130 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
131 $out->addHTML( $this->viewRedirect(
132 Title
::makeTitle( NS_FILE
, $this->mPage
->getFile()->getName() ),
133 /* $appendSubtitle */ true,
134 /* $forceKnown */ true )
136 $this->mPage
->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
141 if ( $wgShowEXIF && $this->displayImg
->exists() ) {
142 // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
143 $formattedMetadata = $this->displayImg
->formatMetadata();
144 $showmeta = $formattedMetadata !== false;
149 if ( !$diff && $this->displayImg
->exists() ) {
150 $out->addHTML( $this->showTOC( $showmeta ) );
154 $this->openShowImage();
157 # No need to display noarticletext, we use our own message, output in openShowImage()
158 if ( $this->mPage
->getID() ) {
159 # NS_FILE is in the user language, but this section (the actual wikitext)
160 # should be in page content language
161 $pageLang = $this->getTitle()->getPageViewLanguage();
162 $out->addHTML( Xml
::openElement( 'div', array( 'id' => 'mw-imagepage-content',
163 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
164 'class' => 'mw-content-' . $pageLang->getDir() ) ) );
168 $out->addHTML( Xml
::closeElement( 'div' ) );
170 # Just need to set the right headers
171 $out->setArticleFlag( true );
172 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
173 $this->mPage
->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
176 # Show shared description, if needed
177 if ( $this->mExtraDescription
) {
178 $fol = wfMessage( 'shareddescriptionfollows' );
179 if ( !$fol->isDisabled() ) {
180 $out->addWikiText( $fol->plain() );
182 $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription
. "</div>\n" );
185 $this->closeShowImage();
186 $this->imageHistory();
187 // TODO: Cleanup the following
189 $out->addHTML( Xml
::element( 'h2',
190 array( 'id' => 'filelinks' ),
191 wfMessage( 'imagelinks' )->text() ) . "\n" );
193 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
194 # Yet we return metadata about the target. Definitely an issue in the FileRepo
197 # Allow extensions to add something after the image links
199 wfRunHooks( 'ImagePageAfterImageLinks', array( $this, &$html ) );
201 $out->addHTML( $html );
205 $out->addHTML( Xml
::element(
207 array( 'id' => 'metadata' ),
208 wfMessage( 'metadata' )->text() ) . "\n" );
209 $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
210 $out->addModules( array( 'mediawiki.action.view.metadata' ) );
213 // Add remote Filepage.css
214 if ( !$this->repo
->isLocal() ) {
215 $css = $this->repo
->getDescriptionStylesheetUrl();
217 $out->addStyle( $css );
220 // always show the local local Filepage.css, bug 29277
221 $out->addModuleStyles( 'filepage' );
227 public function getDisplayedFile() {
229 return $this->displayImg
;
235 * @param bool $metadata Whether or not to show the metadata link
238 protected function showTOC( $metadata ) {
240 '<li><a href="#file">' . wfMessage( 'file-anchor-link' )->escaped() . '</a></li>',
241 '<li><a href="#filehistory">' . wfMessage( 'filehist' )->escaped() . '</a></li>',
242 '<li><a href="#filelinks">' . wfMessage( 'imagelinks' )->escaped() . '</a></li>',
245 $r[] = '<li><a href="#metadata">' . wfMessage( 'metadata' )->escaped() . '</a></li>';
248 wfRunHooks( 'ImagePageShowTOC', array( $this, &$r ) );
250 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
254 * Make a table with metadata to be shown in the output page.
256 * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
258 * @param array $metadata The array containing the Exif data
259 * @return string The metadata table. This is treated as Wikitext (!)
261 protected function makeMetadataTable( $metadata ) {
262 $r = "<div class=\"mw-imagepage-section-metadata\">";
263 $r .= wfMessage( 'metadata-help' )->plain();
264 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
265 foreach ( $metadata as $type => $stuff ) {
266 foreach ( $stuff as $v ) {
267 # @todo FIXME: Why is this using escapeId for a class?!
268 $class = Sanitizer
::escapeId( $v['id'] );
269 if ( $type == 'collapsed' ) {
270 // Handled by mediawiki.action.view.metadata module
271 // and skins/common/shared.css.
272 $class .= ' collapsable';
274 $r .= "<tr class=\"$class\">\n";
275 $r .= "<th>{$v['name']}</th>\n";
276 $r .= "<td>{$v['value']}</td>\n</tr>";
279 $r .= "</table>\n</div>\n";
284 * Overloading Article's getContentObject method.
286 * Omit noarticletext if sharedupload; text will be fetched from the
287 * shared upload server if possible.
290 public function getContentObject() {
292 if ( $this->mPage
->getFile() && !$this->mPage
->getFile()->isLocal() && 0 == $this->getID() ) {
295 return parent
::getContentObject();
298 protected function openShowImage() {
299 global $wgImageLimits, $wgEnableUploads, $wgSend404Code;
302 $out = $this->getContext()->getOutput();
303 $user = $this->getContext()->getUser();
304 $lang = $this->getContext()->getLanguage();
305 $dirmark = $lang->getDirMarkEntity();
306 $request = $this->getContext()->getRequest();
308 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
310 $maxHeight = $max[1];
312 if ( $this->displayImg
->exists() ) {
314 $page = $request->getIntOrNull( 'page' );
315 if ( is_null( $page ) ) {
319 $params = array( 'page' => $page );
322 $renderLang = $request->getVal( 'lang' );
323 if ( !is_null( $renderLang ) ) {
324 $handler = $this->displayImg
->getHandler();
325 if ( $handler && $handler->validateParam( 'lang', $renderLang ) ) {
326 $params['lang'] = $renderLang;
332 $width_orig = $this->displayImg
->getWidth( $page );
333 $width = $width_orig;
334 $height_orig = $this->displayImg
->getHeight( $page );
335 $height = $height_orig;
337 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
338 $linktext = $filename;
340 wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$out ) );
342 if ( $this->displayImg
->allowInlineDisplay() ) {
345 # "Download high res version" link below the image
346 # $msgsize = wfMessage( 'file-info-size', $width_orig, $height_orig,
347 # Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
348 # We'll show a thumbnail of this image
349 if ( $width > $maxWidth ||
$height > $maxHeight ) {
350 # Calculate the thumbnail size.
351 # First case, the limiting factor is the width, not the height.
352 /** @todo // FIXME: Possible division by 0. bug 36911 */
353 if ( $width / $height >= $maxWidth / $maxHeight ) {
354 /** @todo // FIXME: Possible division by 0. bug 36911 */
355 $height = round( $height * $maxWidth / $width );
357 # Note that $height <= $maxHeight now.
359 /** @todo // FIXME: Possible division by 0. bug 36911 */
360 $newwidth = floor( $width * $maxHeight / $height );
361 /** @todo // FIXME: Possible division by 0. bug 36911 */
362 $height = round( $height * $newwidth / $width );
364 # Note that $height <= $maxHeight now, but might not be identical
365 # because of rounding.
367 $linktext = wfMessage( 'show-big-image' )->escaped();
368 if ( $this->displayImg
->getRepo()->canTransformVia404() ) {
369 $thumbSizes = $wgImageLimits;
370 // Also include the full sized resolution in the list, so
371 // that users know they can get it. This will link to the
372 // original file asset if mustRender() === false. In the case
373 // that we mustRender, some users have indicated that they would
374 // find it useful to have the full size image in the rendered
376 $thumbSizes[] = array( $width_orig, $height_orig );
378 # Creating thumb links triggers thumbnail generation.
379 # Just generate the thumb for the current users prefs.
380 $thumbSizes = array( $this->getImageLimitsFromOption( $user, 'thumbsize' ) );
381 if ( !$this->displayImg
->mustRender() ) {
382 // We can safely include a link to the "full-size" preview,
383 // without actually rendering.
384 $thumbSizes[] = array( $width_orig, $height_orig );
387 # Generate thumbnails or thumbnail links as needed...
388 $otherSizes = array();
389 foreach ( $thumbSizes as $size ) {
390 // We include a thumbnail size in the list, if it is
391 // less than or equal to the original size of the image
392 // asset ($width_orig/$height_orig). We also exclude
393 // the current thumbnail's size ($width/$height)
394 // since that is added to the message separately, so
395 // it can be denoted as the current size being shown.
396 if ( $size[0] <= $width_orig && $size[1] <= $height_orig
397 && $size[0] != $width && $size[1] != $height
399 $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
401 $otherSizes[] = $sizeLink;
405 $otherSizes = array_unique( $otherSizes );
407 $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
408 if ( $sizeLinkBigImagePreview ) {
409 $msgsmall .= wfMessage( 'show-big-image-preview' )->
410 rawParams( $sizeLinkBigImagePreview )->
413 if ( count( $otherSizes ) ) {
415 Html
::rawElement( 'span', array( 'class' => 'mw-filepage-other-resolutions' ),
416 wfMessage( 'show-big-image-other' )->rawParams( $lang->pipeList( $otherSizes ) )->
417 params( count( $otherSizes ) )->parse()
420 } elseif ( $width == 0 && $height == 0 ) {
421 # Some sort of audio file that doesn't have dimensions
422 # Don't output a no hi res message for such a file
424 } elseif ( $this->displayImg
->isVectorized() ) {
425 # For vectorized images, full size is just the frame size
428 # Image is small enough to show full size on image page
429 $msgsmall = wfMessage( 'file-nohires' )->parse();
432 $params['width'] = $width;
433 $params['height'] = $height;
434 $thumbnail = $this->displayImg
->transform( $params );
435 Linker
::processResponsiveImages( $this->displayImg
, $thumbnail, $params );
437 $anchorclose = Html
::rawElement(
439 array( 'class' => 'mw-filepage-resolutioninfo' ),
443 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
445 $out->addModules( 'mediawiki.page.image.pagination' );
446 $out->addHTML( '<table class="multipageimage"><tr><td>' );
451 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
454 $out->addHTML( '<div class="fullImageLink" id="file">' .
455 $thumbnail->toHtml( $options ) .
456 $anchorclose . "</div>\n" );
460 $count = $this->displayImg
->pageCount();
463 $label = $out->parse( wfMessage( 'imgmultipageprev' )->text(), false );
464 $link = Linker
::linkKnown(
468 array( 'page' => $page - 1 )
470 $thumb1 = Linker
::makeThumbLinkObj(
476 array( 'page' => $page - 1 )
482 if ( $page < $count ) {
483 $label = wfMessage( 'imgmultipagenext' )->text();
484 $link = Linker
::linkKnown(
488 array( 'page' => $page +
1 )
490 $thumb2 = Linker
::makeThumbLinkObj(
496 array( 'page' => $page +
1 )
505 'name' => 'pageselector',
506 'action' => $wgScript,
509 for ( $i = 1; $i <= $count; $i++
) {
510 $options[] = Xml
::option( $lang->formatNum( $i ), $i, $i == $page );
512 $select = Xml
::tags( 'select',
513 array( 'id' => 'pageselector', 'name' => 'page' ),
514 implode( "\n", $options ) );
517 '</td><td><div class="multipageimagenavbox">' .
518 Xml
::openElement( 'form', $formParams ) .
519 Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
520 wfMessage( 'imgmultigoto' )->rawParams( $select )->parse() .
521 Xml
::submitButton( wfMessage( 'imgmultigo' )->text() ) .
522 Xml
::closeElement( 'form' ) .
523 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
526 } elseif ( $this->displayImg
->isSafeFile() ) {
527 # if direct link is allowed but it's not a renderable image, show an icon.
528 $icon = $this->displayImg
->iconThumb();
530 $out->addHTML( '<div class="fullImageLink" id="file">' .
531 $icon->toHtml( array( 'file-link' => true ) ) .
535 $longDesc = wfMessage( 'parentheses', $this->displayImg
->getLongDesc() )->text();
537 $medialink = "[[Media:$filename|$linktext]]";
539 if ( !$this->displayImg
->isSafeFile() ) {
540 $warning = wfMessage( 'mediawarning' )->plain();
541 // dirmark is needed here to separate the file name, which
542 // most likely ends in Latin characters, from the description,
543 // which may begin with the file type. In RTL environment
544 // this will get messy.
545 // The dirmark, however, must not be immediately adjacent
546 // to the filename, because it can get copied with it.
548 // @codingStandardsIgnoreStart Ignore long line
549 $out->addWikiText( <<<EOT
550 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
551 <div class="mediaWarning">$warning</div>
554 // @codingStandardsIgnoreEnd
556 $out->addWikiText( <<<EOT
557 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
563 $renderLangOptions = $this->displayImg
->getAvailableLanguages();
564 if ( count( $renderLangOptions ) >= 1 ) {
565 $currentLanguage = $renderLang;
566 $defaultLang = $this->displayImg
->getDefaultRenderLanguage();
567 if ( is_null( $currentLanguage ) ) {
568 $currentLanguage = $defaultLang;
570 $out->addHtml( $this->doRenderLangOpt( $renderLangOptions, $currentLanguage, $defaultLang ) );
573 // Add cannot animate thumbnail warning
574 if ( !$this->displayImg
->canAnimateThumbIfAppropriate() ) {
575 // Include the extension so wiki admins can
576 // customize it on a per file-type basis
577 // (aka say things like use format X instead).
578 // additionally have a specific message for
579 // file-no-thumb-animation-gif
580 $ext = $this->displayImg
->getExtension();
581 $noAnimMesg = wfMessageFallback(
582 'file-no-thumb-animation-' . $ext,
583 'file-no-thumb-animation'
586 $out->addWikiText( <<<EOT
587 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
592 if ( !$this->displayImg
->isLocal() ) {
593 $this->printSharedImageText();
596 # Image does not exist
597 if ( !$this->getID() ) {
598 # No article exists either
599 # Show deletion log to be consistent with normal articles
600 LogEventsList
::showLogExtract(
602 array( 'delete', 'move' ),
603 $this->getTitle()->getPrefixedText(),
606 'conds' => array( "log_action != 'revision'" ),
607 'showIfEmpty' => false,
608 'msgKey' => array( 'moveddeleted-notice' )
613 if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
614 // Only show an upload link if the user can upload
615 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
617 'filepage-nofile-link',
618 $uploadTitle->getFullURL( array( 'wpDestFile' => $this->mPage
->getFile()->getName() ) )
621 $nofile = 'filepage-nofile';
623 // Note, if there is an image description page, but
624 // no image, then this setRobotPolicy is overridden
625 // by Article::View().
626 $out->setRobotPolicy( 'noindex,nofollow' );
627 $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
628 if ( !$this->getID() && $wgSend404Code ) {
629 // If there is no image, no shared image, and no description page,
630 // output a 404, to be consistent with articles.
631 $request->response()->header( 'HTTP/1.1 404 Not Found' );
634 $out->setFileVersion( $this->displayImg
);
638 * Creates an thumbnail of specified size and returns an HTML link to it
639 * @param array $params Scaler parameters
644 private function makeSizeLink( $params, $width, $height ) {
645 $params['width'] = $width;
646 $params['height'] = $height;
647 $thumbnail = $this->displayImg
->transform( $params );
648 if ( $thumbnail && !$thumbnail->isError() ) {
649 return Html
::rawElement( 'a', array(
650 'href' => $thumbnail->getUrl(),
651 'class' => 'mw-thumbnail-link'
652 ), wfMessage( 'show-big-image-size' )->numParams(
653 $thumbnail->getWidth(), $thumbnail->getHeight()
661 * Show a notice that the file is from a shared repository
663 protected function printSharedImageText() {
664 $out = $this->getContext()->getOutput();
667 $descUrl = $this->mPage
->getFile()->getDescriptionUrl();
668 $descText = $this->mPage
->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
670 /* Add canonical to head if there is no local page for this shared file */
671 if ( $descUrl && $this->mPage
->getID() == 0 ) {
672 $out->setCanonicalUrl( $descUrl );
675 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
676 $repo = $this->mPage
->getFile()->getRepo()->getDisplayName();
678 if ( $descUrl && $descText && wfMessage( 'sharedupload-desc-here' )->plain() !== '-' ) {
679 $out->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) );
680 } elseif ( $descUrl && wfMessage( 'sharedupload-desc-there' )->plain() !== '-' ) {
681 $out->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) );
683 $out->wrapWikiMsg( $wrap, array( 'sharedupload', $repo ), ''/*BACKCOMPAT*/ );
687 $this->mExtraDescription
= $descText;
691 public function getUploadUrl() {
693 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
694 return $uploadTitle->getFullURL( array(
695 'wpDestFile' => $this->mPage
->getFile()->getName(),
701 * Print out the various links at the bottom of the image page, e.g. reupload,
702 * external editing (and instructions link) etc.
704 protected function uploadLinksBox() {
705 global $wgEnableUploads;
707 if ( !$wgEnableUploads ) {
712 if ( !$this->mPage
->getFile()->isLocal() ) {
716 $out = $this->getContext()->getOutput();
717 $out->addHTML( "<ul>\n" );
719 # "Upload a new version of this file" link
720 $canUpload = $this->getTitle()->userCan( 'upload', $this->getContext()->getUser() );
721 if ( $canUpload && UploadBase
::userCanReUpload(
722 $this->getContext()->getUser(),
723 $this->mPage
->getFile()->name
)
725 $ulink = Linker
::makeExternalLink(
726 $this->getUploadUrl(),
727 wfMessage( 'uploadnewversion-linktext' )->text()
729 $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
730 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
732 $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
733 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
736 $out->addHTML( "</ul>\n" );
742 protected function closeShowImage() {
746 * If the page we've just displayed is in the "Image" namespace,
747 * we follow it with an upload history of the image and its usage.
749 protected function imageHistory() {
751 $out = $this->getContext()->getOutput();
752 $pager = new ImageHistoryPseudoPager( $this );
753 $out->addHTML( $pager->getBody() );
754 $out->preventClickjacking( $pager->getPreventClickjacking() );
756 $this->mPage
->getFile()->resetHistory(); // free db resources
758 # Exist check because we don't want to show this on pages where an image
759 # doesn't exist along with the noimage message, that would suck. -ævar
760 if ( $this->mPage
->getFile()->exists() ) {
761 $this->uploadLinksBox();
766 * @param string $target
768 * @return ResultWrapper
770 protected function queryImageLinks( $target, $limit ) {
771 $dbr = wfGetDB( DB_SLAVE
);
774 array( 'imagelinks', 'page' ),
775 array( 'page_namespace', 'page_title', 'il_to' ),
776 array( 'il_to' => $target, 'il_from = page_id' ),
778 array( 'LIMIT' => $limit +
1, 'ORDER BY' => 'il_from', )
782 protected function imageLinks() {
785 $out = $this->getContext()->getOutput();
788 $redirects = array();
789 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE
) as $redir ) {
790 $redirects[$redir->getDBkey()] = array();
791 $rows[] = (object)array(
792 'page_namespace' => NS_FILE
,
793 'page_title' => $redir->getDBkey(),
797 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit +
1 );
798 foreach ( $res as $row ) {
801 $count = count( $rows );
803 $hasMore = $count > $limit;
804 if ( !$hasMore && count( $redirects ) ) {
805 $res = $this->queryImageLinks( array_keys( $redirects ),
806 $limit - count( $rows ) +
1 );
807 foreach ( $res as $row ) {
808 $redirects[$row->il_to
][] = $row;
811 $hasMore = ( $res->numRows() +
count( $rows ) ) > $limit;
816 Html
::rawElement( 'div',
817 array( 'id' => 'mw-imagepage-nolinkstoimage' ), "\n$1\n" ),
823 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
825 $out->addWikiMsg( 'linkstoimage', $count );
827 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
828 $out->addWikiMsg( 'linkstoimage-more',
829 $this->getContext()->getLanguage()->formatNum( $limit ),
830 $this->getTitle()->getPrefixedDBkey()
835 Html
::openElement( 'ul',
836 array( 'class' => 'mw-imagepage-linkstoimage' ) ) . "\n"
840 // Sort the list by namespace:title
841 usort( $rows, array( $this, 'compare' ) );
843 // Create links for every element
845 foreach ( $rows as $element ) {
847 if ( $currentCount > $limit ) {
852 # Add a redirect=no to make redirect pages reachable
853 if ( isset( $redirects[$element->page_title
] ) ) {
854 $query['redirect'] = 'no';
856 $link = Linker
::linkKnown(
857 Title
::makeTitle( $element->page_namespace
, $element->page_title
),
858 null, array(), $query
860 if ( !isset( $redirects[$element->page_title
] ) ) {
863 } elseif ( count( $redirects[$element->page_title
] ) === 0 ) {
864 # Redirect without usages
865 $liContents = wfMessage( 'linkstoimage-redirect' )->rawParams( $link, '' )->parse();
867 # Redirect with usages
869 foreach ( $redirects[$element->page_title
] as $row ) {
871 if ( $currentCount > $limit ) {
875 $link2 = Linker
::linkKnown( Title
::makeTitle( $row->page_namespace
, $row->page_title
) );
876 $li .= Html
::rawElement(
878 array( 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
),
883 $ul = Html
::rawElement(
885 array( 'class' => 'mw-imagepage-redirectstofile' ),
888 $liContents = wfMessage( 'linkstoimage-redirect' )->rawParams(
889 $link, $ul )->parse();
891 $out->addHTML( Html
::rawElement(
893 array( 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
),
899 $out->addHTML( Html
::closeElement( 'ul' ) . "\n" );
902 // Add a links to [[Special:Whatlinkshere]]
903 if ( $count > $limit ) {
904 $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
906 $out->addHTML( Html
::closeElement( 'div' ) . "\n" );
909 protected function imageDupes() {
911 $out = $this->getContext()->getOutput();
913 $dupes = $this->mPage
->getDuplicates();
914 if ( count( $dupes ) == 0 ) {
918 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
919 $out->addWikiMsg( 'duplicatesoffile',
920 $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
922 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
927 foreach ( $dupes as $file ) {
929 if ( $file->isLocal() ) {
930 $link = Linker
::linkKnown( $file->getTitle() );
932 $link = Linker
::makeExternalLink( $file->getDescriptionUrl(),
933 $file->getTitle()->getPrefixedText() );
934 $fromSrc = wfMessage( 'shared-repo-from', $file->getRepo()->getDisplayName() )->text();
936 $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
938 $out->addHTML( "</ul></div>\n" );
942 * Delete the file, or an earlier version of it
944 public function delete() {
945 $file = $this->mPage
->getFile();
946 if ( !$file->exists() ||
!$file->isLocal() ||
$file->getRedirected() ) {
947 // Standard article deletion
952 $deleter = new FileDeleteForm( $file );
957 * Display an error with a wikitext description
959 * @param string $description
961 function showError( $description ) {
962 $out = $this->getContext()->getOutput();
963 $out->setPageTitle( wfMessage( 'internalerror' ) );
964 $out->setRobotPolicy( 'noindex,nofollow' );
965 $out->setArticleRelated( false );
966 $out->enableClientCache( false );
967 $out->addWikiText( $description );
971 * Callback for usort() to do link sorts by (namespace, title)
972 * Function copied from Title::compare()
974 * @param object $a Object page to compare with
975 * @param object $b Object page to compare with
976 * @return int Result of string comparison, or namespace comparison
978 protected function compare( $a, $b ) {
979 if ( $a->page_namespace
== $b->page_namespace
) {
980 return strcmp( $a->page_title
, $b->page_title
);
982 return $a->page_namespace
- $b->page_namespace
;
987 * Returns the corresponding $wgImageLimits entry for the selected user option
990 * @param string $optionName Name of a option to check, typically imagesize or thumbsize
994 public function getImageLimitsFromOption( $user, $optionName ) {
995 global $wgImageLimits;
997 $option = $user->getIntOption( $optionName );
998 if ( !isset( $wgImageLimits[$option] ) ) {
999 $option = User
::getDefaultOption( $optionName );
1002 // The user offset might still be incorrect, specially if
1003 // $wgImageLimits got changed (see bug #8858).
1004 if ( !isset( $wgImageLimits[$option] ) ) {
1005 // Default to the first offset in $wgImageLimits
1009 return isset( $wgImageLimits[$option] )
1010 ?
$wgImageLimits[$option]
1011 : array( 800, 600 ); // if nothing is set, fallback to a hardcoded default
1015 * Output a drop-down box for language options for the file
1017 * @param array $langChoices Array of string language codes
1018 * @param string $curLang Language code file is being viewed in.
1019 * @param string $defaultLang Language code that image is rendered in by default
1020 * @return string HTML to insert underneath image.
1022 protected function doRenderLangOpt( array $langChoices, $curLang, $defaultLang ) {
1024 sort( $langChoices );
1025 $curLang = wfBCP47( $curLang );
1026 $defaultLang = wfBCP47( $defaultLang );
1028 $haveCurrentLang = false;
1029 $haveDefaultLang = false;
1031 // We make a list of all the language choices in the file.
1032 // Additionally if the default language to render this file
1033 // is not included as being in this file (for example, in svgs
1034 // usually the fallback content is the english content) also
1035 // include a choice for that. Last of all, if we're viewing
1036 // the file in a language not on the list, add it as a choice.
1037 foreach ( $langChoices as $lang ) {
1038 $code = wfBCP47( $lang );
1039 $name = Language
::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1040 if ( $name !== '' ) {
1041 $display = wfMessage( 'img-lang-opt', $code, $name )->text();
1045 $opts .= "\n" . Xml
::option( $display, $code, $curLang === $code );
1046 if ( $curLang === $code ) {
1047 $haveCurrentLang = true;
1049 if ( $defaultLang === $code ) {
1050 $haveDefaultLang = true;
1053 if ( !$haveDefaultLang ) {
1054 // Its hard to know if the content is really in the default language, or
1055 // if its just unmarked content that could be in any language.
1056 $opts = Xml
::option(
1057 wfMessage( 'img-lang-default' )->text(),
1059 $defaultLang === $curLang
1062 if ( !$haveCurrentLang && $defaultLang !== $curLang ) {
1063 $name = Language
::fetchLanguageName( $curLang, $this->getContext()->getLanguage()->getCode() );
1064 if ( $name !== '' ) {
1065 $display = wfMessage( 'img-lang-opt', $curLang, $name )->text();
1067 $display = $curLang;
1069 $opts = Xml
::option( $display, $curLang, true ) . $opts;
1072 $select = Html
::rawElement(
1074 array( 'id' => 'mw-imglangselector', 'name' => 'lang' ),
1077 $submit = Xml
::submitButton( wfMessage( 'img-lang-go' )->text() );
1079 $formContents = wfMessage( 'img-lang-info' )->rawParams( $select, $submit )->parse()
1080 . Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1082 $langSelectLine = Html
::rawElement( 'div', array( 'id' => 'mw-imglangselector-line' ),
1083 Html
::rawElement( 'form', array( 'action' => $wgScript ), $formContents )
1085 return $langSelectLine;
1090 * Builds the image revision log shown on image pages
1094 class ImageHistoryList
extends ContextSource
{
1109 protected $imagePage;
1116 protected $repo, $showThumb;
1117 protected $preventClickjacking = false;
1120 * @param ImagePage $imagePage
1122 public function __construct( $imagePage ) {
1123 global $wgShowArchiveThumbnails;
1124 $this->current
= $imagePage->getFile();
1125 $this->img
= $imagePage->getDisplayedFile();
1126 $this->title
= $imagePage->getTitle();
1127 $this->imagePage
= $imagePage;
1128 $this->showThumb
= $wgShowArchiveThumbnails && $this->img
->canRender();
1129 $this->setContext( $imagePage->getContext() );
1135 public function getImagePage() {
1136 return $this->imagePage
;
1142 public function getFile() {
1147 * @param string $navLinks
1150 public function beginImageHistoryList( $navLinks = '' ) {
1151 return Xml
::element( 'h2', array( 'id' => 'filehistory' ), $this->msg( 'filehist' )->text() )
1153 . "<div id=\"mw-imagepage-section-filehistory\">\n"
1154 . $this->msg( 'filehist-help' )->parseAsBlock()
1156 . Xml
::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n"
1158 . ( $this->current
->isLocal()
1159 && ( $this->getUser()->isAllowedAny( 'delete', 'deletedhistory' ) ) ?
'<td></td>' : '' )
1160 . '<th>' . $this->msg( 'filehist-datetime' )->escaped() . '</th>'
1161 . ( $this->showThumb ?
'<th>' . $this->msg( 'filehist-thumb' )->escaped() . '</th>' : '' )
1162 . '<th>' . $this->msg( 'filehist-dimensions' )->escaped() . '</th>'
1163 . '<th>' . $this->msg( 'filehist-user' )->escaped() . '</th>'
1164 . '<th>' . $this->msg( 'filehist-comment' )->escaped() . '</th>'
1169 * @param string $navLinks
1172 public function endImageHistoryList( $navLinks = '' ) {
1173 return "</table>\n$navLinks\n</div>\n";
1177 * @param bool $iscur
1181 public function imageHistoryLine( $iscur, $file ) {
1184 $user = $this->getUser();
1185 $lang = $this->getLanguage();
1186 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
1187 $img = $iscur ?
$file->getName() : $file->getArchiveName();
1188 $userId = $file->getUser( 'id' );
1189 $userText = $file->getUser( 'text' );
1190 $description = $file->getDescription( File
::FOR_THIS_USER
, $user );
1192 $local = $this->current
->isLocal();
1193 $row = $selected = '';
1196 if ( $local && ( $user->isAllowedAny( 'delete', 'deletedhistory' ) ) ) {
1198 # Link to remove from history
1199 if ( $user->isAllowed( 'delete' ) ) {
1200 $q = array( 'action' => 'delete' );
1202 $q['oldimage'] = $img;
1204 $row .= Linker
::linkKnown(
1206 $this->msg( $iscur ?
'filehist-deleteall' : 'filehist-deleteone' )->escaped(),
1210 # Link to hide content. Don't show useless link to people who cannot hide revisions.
1211 $canHide = $user->isAllowed( 'deleterevision' );
1212 if ( $canHide ||
( $user->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) {
1213 if ( $user->isAllowed( 'delete' ) ) {
1216 // If file is top revision or locked from this user, don't link
1217 if ( $iscur ||
!$file->userCan( File
::DELETED_RESTRICTED
, $user ) ) {
1218 $del = Linker
::revDeleteLinkDisabled( $canHide );
1220 list( $ts, ) = explode( '!', $img, 2 );
1222 'type' => 'oldimage',
1223 'target' => $this->title
->getPrefixedText(),
1226 $del = Linker
::revDeleteLink( $query,
1227 $file->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
1234 // Reversion link/current indicator
1237 $row .= $this->msg( 'filehist-current' )->escaped();
1238 } elseif ( $local && $this->title
->quickUserCan( 'edit', $user )
1239 && $this->title
->quickUserCan( 'upload', $user )
1241 if ( $file->isDeleted( File
::DELETED_FILE
) ) {
1242 $row .= $this->msg( 'filehist-revert' )->escaped();
1244 $row .= Linker
::linkKnown(
1246 $this->msg( 'filehist-revert' )->escaped(),
1249 'action' => 'revert',
1251 'wpEditToken' => $user->getEditToken( $img )
1258 // Date/time and image link
1259 if ( $file->getTimestamp() === $this->img
->getTimestamp() ) {
1260 $selected = "class='filehistory-selected'";
1262 $row .= "<td $selected style='white-space: nowrap;'>";
1263 if ( !$file->userCan( File
::DELETED_FILE
, $user ) ) {
1264 # Don't link to unviewable files
1265 $row .= '<span class="history-deleted">'
1266 . $lang->userTimeAndDate( $timestamp, $user ) . '</span>';
1267 } elseif ( $file->isDeleted( File
::DELETED_FILE
) ) {
1269 $this->preventClickjacking();
1270 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
1271 # Make a link to review the image
1272 $url = Linker
::linkKnown(
1274 $lang->userTimeAndDate( $timestamp, $user ),
1277 'target' => $this->title
->getPrefixedText(),
1279 'token' => $user->getEditToken( $img )
1283 $url = $lang->userTimeAndDate( $timestamp, $user );
1285 $row .= '<span class="history-deleted">' . $url . '</span>';
1287 $url = $iscur ?
$this->current
->getUrl() : $this->current
->getArchiveUrl( $img );
1288 $row .= Xml
::element(
1290 array( 'href' => $url ),
1291 $lang->userTimeAndDate( $timestamp, $user )
1297 if ( $this->showThumb
) {
1298 $row .= '<td>' . $this->getThumbForLine( $file ) . '</td>';
1301 // Image dimensions + size
1303 $row .= htmlspecialchars( $file->getDimensionsString() );
1304 $row .= $this->msg( 'word-separator' )->escaped();
1305 $row .= '<span style="white-space: nowrap;">';
1306 $row .= $this->msg( 'parentheses' )->sizeParams( $file->getSize() )->escaped();
1312 // Hide deleted usernames
1313 if ( $file->isDeleted( File
::DELETED_USER
) ) {
1314 $row .= '<span class="history-deleted">'
1315 . $this->msg( 'rev-deleted-user' )->escaped() . '</span>';
1318 $row .= Linker
::userLink( $userId, $userText );
1319 $row .= $this->msg( 'word-separator' )->escaped();
1320 $row .= '<span style="white-space: nowrap;">';
1321 $row .= Linker
::userToolLinks( $userId, $userText );
1324 $row .= htmlspecialchars( $userText );
1329 // Don't show deleted descriptions
1330 if ( $file->isDeleted( File
::DELETED_COMMENT
) ) {
1331 $row .= '<td><span class="history-deleted">' .
1332 $this->msg( 'rev-deleted-comment' )->escaped() . '</span></td>';
1334 $row .= '<td dir="' . $wgContLang->getDir() . '">' .
1335 Linker
::formatComment( $description, $this->title
) . '</td>';
1339 wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) );
1340 $classAttr = $rowClass ?
" class='$rowClass'" : '';
1342 return "<tr{$classAttr}>{$row}</tr>\n";
1349 protected function getThumbForLine( $file ) {
1350 $lang = $this->getLanguage();
1351 $user = $this->getUser();
1352 if ( $file->allowInlineDisplay() && $file->userCan( File
::DELETED_FILE
, $user )
1353 && !$file->isDeleted( File
::DELETED_FILE
)
1359 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
1361 $thumbnail = $file->transform( $params );
1363 'alt' => $this->msg( 'filehist-thumbtext',
1364 $lang->userTimeAndDate( $timestamp, $user ),
1365 $lang->userDate( $timestamp, $user ),
1366 $lang->userTime( $timestamp, $user ) )->text(),
1367 'file-link' => true,
1370 if ( !$thumbnail ) {
1371 return $this->msg( 'filehist-nothumb' )->escaped();
1374 return $thumbnail->toHtml( $options );
1376 return $this->msg( 'filehist-nothumb' )->escaped();
1381 * @param bool $enable
1383 protected function preventClickjacking( $enable = true ) {
1384 $this->preventClickjacking
= $enable;
1390 public function getPreventClickjacking() {
1391 return $this->preventClickjacking
;
1395 class ImageHistoryPseudoPager
extends ReverseChronologicalPager
{
1396 protected $preventClickjacking = false;
1409 * @param ImagePage $imagePage
1411 function __construct( $imagePage ) {
1412 parent
::__construct( $imagePage->getContext() );
1413 $this->mImagePage
= $imagePage;
1414 $this->mTitle
= clone ( $imagePage->getTitle() );
1415 $this->mTitle
->setFragment( '#filehistory' );
1417 $this->mHist
= array();
1418 $this->mRange
= array( 0, 0 ); // display range
1424 function getTitle() {
1425 return $this->mTitle
;
1428 function getQueryInfo() {
1435 function getIndexField() {
1440 * @param object $row
1443 function formatRow( $row ) {
1450 function getBody() {
1453 if ( count( $this->mHist
) ) {
1454 $list = new ImageHistoryList( $this->mImagePage
);
1455 # Generate prev/next links
1456 $navLink = $this->getNavigationBar();
1457 $s = $list->beginImageHistoryList( $navLink );
1458 // Skip rows there just for paging links
1459 for ( $i = $this->mRange
[0]; $i <= $this->mRange
[1]; $i++
) {
1460 $file = $this->mHist
[$i];
1461 $s .= $list->imageHistoryLine( !$file->isOld(), $file );
1463 $s .= $list->endImageHistoryList( $navLink );
1465 if ( $list->getPreventClickjacking() ) {
1466 $this->preventClickjacking();
1472 function doQuery() {
1473 if ( $this->mQueryDone
) {
1476 $this->mImg
= $this->mImagePage
->getFile(); // ensure loading
1477 if ( !$this->mImg
->exists() ) {
1480 $queryLimit = $this->mLimit +
1; // limit plus extra row
1481 if ( $this->mIsBackwards
) {
1482 // Fetch the file history
1483 $this->mHist
= $this->mImg
->getHistory( $queryLimit, null, $this->mOffset
, false );
1484 // The current rev may not meet the offset/limit
1485 $numRows = count( $this->mHist
);
1486 if ( $numRows <= $this->mLimit
&& $this->mImg
->getTimestamp() > $this->mOffset
) {
1487 $this->mHist
= array_merge( array( $this->mImg
), $this->mHist
);
1490 // The current rev may not meet the offset
1491 if ( !$this->mOffset ||
$this->mImg
->getTimestamp() < $this->mOffset
) {
1492 $this->mHist
[] = $this->mImg
;
1494 // Old image versions (fetch extra row for nav links)
1495 $oiLimit = count( $this->mHist
) ?
$this->mLimit
: $this->mLimit +
1;
1496 // Fetch the file history
1497 $this->mHist
= array_merge( $this->mHist
,
1498 $this->mImg
->getHistory( $oiLimit, $this->mOffset
, null, false ) );
1500 $numRows = count( $this->mHist
); // Total number of query results
1502 # Index value of top item in the list
1503 $firstIndex = $this->mIsBackwards ?
1504 $this->mHist
[$numRows - 1]->getTimestamp() : $this->mHist
[0]->getTimestamp();
1505 # Discard the extra result row if there is one
1506 if ( $numRows > $this->mLimit
&& $numRows > 1 ) {
1507 if ( $this->mIsBackwards
) {
1508 # Index value of item past the index
1509 $this->mPastTheEndIndex
= $this->mHist
[0]->getTimestamp();
1510 # Index value of bottom item in the list
1511 $lastIndex = $this->mHist
[1]->getTimestamp();
1513 $this->mRange
= array( 1, $numRows - 1 );
1515 # Index value of item past the index
1516 $this->mPastTheEndIndex
= $this->mHist
[$numRows - 1]->getTimestamp();
1517 # Index value of bottom item in the list
1518 $lastIndex = $this->mHist
[$numRows - 2]->getTimestamp();
1520 $this->mRange
= array( 0, $numRows - 2 );
1523 # Setting indexes to an empty string means that they will be
1524 # omitted if they would otherwise appear in URLs. It just so
1525 # happens that this is the right thing to do in the standard
1526 # UI, in all the relevant cases.
1527 $this->mPastTheEndIndex
= '';
1528 # Index value of bottom item in the list
1529 $lastIndex = $this->mIsBackwards ?
1530 $this->mHist
[0]->getTimestamp() : $this->mHist
[$numRows - 1]->getTimestamp();
1532 $this->mRange
= array( 0, $numRows - 1 );
1537 $this->mPastTheEndIndex
= '';
1539 if ( $this->mIsBackwards
) {
1540 $this->mIsFirst
= ( $numRows < $queryLimit );
1541 $this->mIsLast
= ( $this->mOffset
== '' );
1542 $this->mLastShown
= $firstIndex;
1543 $this->mFirstShown
= $lastIndex;
1545 $this->mIsFirst
= ( $this->mOffset
== '' );
1546 $this->mIsLast
= ( $numRows < $queryLimit );
1547 $this->mLastShown
= $lastIndex;
1548 $this->mFirstShown
= $firstIndex;
1550 $this->mQueryDone
= true;
1554 * @param bool $enable
1556 protected function preventClickjacking( $enable = true ) {
1557 $this->preventClickjacking
= $enable;
1563 public function getPreventClickjacking() {
1564 return $this->preventClickjacking
;