3 if( !defined( 'MEDIAWIKI' ) )
7 * Special handling for image description pages
11 class ImagePage extends Article {
13 /* private */ var $img; // Image object
14 /* private */ var $displayImg;
15 /* private */ var $repo;
16 /* private */ var $fileLoaded;
17 var $mExtraDescription = false;
20 function __construct( $title ) {
21 parent::__construct( $title );
26 public function setFile( $file ) {
27 $this->displayImg = $file;
29 $this->fileLoaded = true;
32 protected function loadFile() {
33 if( $this->fileLoaded ) {
36 $this->fileLoaded = true;
38 $this->displayImg = $this->img = false;
39 wfRunHooks( 'ImagePageFindFile', array( $this, &$this->img, &$this->displayImg ) );
41 $this->img = wfFindFile( $this->mTitle );
43 $this->img = wfLocalFile( $this->mTitle );
46 if( !$this->displayImg ) {
47 $this->displayImg = $this->img;
49 $this->repo = $this->img->getRepo();
53 * Handler for action=render
54 * Include body text only; none of the image extras
56 public function render() {
58 $wgOut->setArticleBodyOnly( true );
62 public function view() {
63 global $wgOut, $wgShowEXIF, $wgRequest, $wgUser;
66 if( $this->mTitle->getNamespace() == NS_FILE && $this->img->getRedirected() ) {
67 if( $this->mTitle->getDBkey() == $this->img->getName() ) {
68 // mTitle is the same as the redirect target so ask Article
69 // to perform the redirect for us.
70 return Article::view();
72 // mTitle is not the same as the redirect target so it is
73 // probably the redirect page itself. Fake the redirect symbol
74 $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
75 $wgOut->addHTML( $this->viewRedirect( Title::makeTitle( NS_FILE, $this->img->getName() ),
76 /* $appendSubtitle */ true, /* $forceKnown */ true ) );
82 $diff = $wgRequest->getVal( 'diff' );
83 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
85 if( $this->mTitle->getNamespace() != NS_FILE || ( isset( $diff ) && $diffOnly ) )
86 return Article::view();
88 $this->showRedirectedFromHeader();
90 if( $wgShowEXIF && $this->displayImg->exists() ) {
91 // FIXME: bad interface, see note on MediaHandler::formatMetadata().
92 $formattedMetadata = $this->displayImg->formatMetadata();
93 $showmeta = $formattedMetadata !== false;
98 if( !$diff && $this->displayImg->exists() )
99 $wgOut->addHTML( $this->showTOC($showmeta) );
102 $this->openShowImage();
104 # No need to display noarticletext, we use our own message, output in openShowImage()
105 if( $this->getID() ) {
108 # Just need to set the right headers
109 $wgOut->setArticleFlag( true );
110 $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
111 $this->viewUpdates();
114 # Show shared description, if needed
115 if( $this->mExtraDescription ) {
116 $fol = wfMsgNoTrans( 'shareddescriptionfollows' );
117 if( $fol != '-' && !wfEmptyMsg( 'shareddescriptionfollows', $fol ) ) {
118 $wgOut->addWikiText( $fol );
120 $wgOut->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" );
123 $this->closeShowImage();
124 $this->imageHistory();
125 // TODO: Cleanup the following
127 $wgOut->addHTML( Xml::element( 'h2',
128 array( 'id' => 'filelinks' ),
129 wfMsg( 'imagelinks' ) ) . "\n" );
131 # TODO! FIXME! For some freaky reason, we can't redirect to foreign images.
132 # Yet we return metadata about the target. Definitely an issue in the FileRepo
133 $this->imageRedirects();
136 # Allow extensions to add something after the image links
138 wfRunHooks( 'ImagePageAfterImageLinks', array( $this, &$html ) );
140 $wgOut->addHTML( $html );
143 global $wgStylePath, $wgStyleVersion;
144 $expand = htmlspecialchars( Xml::escapeJsString( wfMsg( 'metadata-expand' ) ) );
145 $collapse = htmlspecialchars( Xml::escapeJsString( wfMsg( 'metadata-collapse' ) ) );
146 $wgOut->addHTML( Xml::element( 'h2', array( 'id' => 'metadata' ), wfMsg( 'metadata' ) ) . "\n" );
147 $wgOut->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
148 $wgOut->addScriptFile( 'metadata.js' );
150 "<script type=\"text/javascript\">attachMetadataToggle('mw_metadata', '$expand', '$collapse');</script>\n" );
154 public function getRedirectTarget() {
156 if( $this->img->isLocal() ) {
157 return parent::getRedirectTarget();
159 // Foreign image page
160 $from = $this->img->getRedirected();
161 $to = $this->img->getName();
165 return $this->mRedirectTarget = Title::makeTitle( NS_FILE, $to );
167 public function followRedirect() {
169 if( $this->img->isLocal() ) {
170 return parent::followRedirect();
172 $from = $this->img->getRedirected();
173 $to = $this->img->getName();
177 return Title::makeTitle( NS_FILE, $to );
179 public function isRedirect( $text = false ) {
181 if( $this->img->isLocal() )
182 return parent::isRedirect( $text );
184 return (bool)$this->img->getRedirected();
187 public function isLocal() {
189 return $this->img->isLocal();
192 public function getFile() {
197 public function getDisplayedFile() {
199 return $this->displayImg;
202 public function getDuplicates() {
204 if( !is_null($this->dupes) ) {
207 if( !( $hash = $this->img->getSha1() ) ) {
208 return $this->dupes = array();
210 $dupes = RepoGroup::singleton()->findBySha1( $hash );
211 // Remove duplicates with self and non matching file sizes
212 $self = $this->img->getRepoName().':'.$this->img->getName();
213 $size = $this->img->getSize();
214 foreach ( $dupes as $index => $file ) {
215 $key = $file->getRepoName().':'.$file->getName();
217 unset( $dupes[$index] );
218 if( $file->getSize() != $size )
219 unset( $dupes[$index] );
221 return $this->dupes = $dupes;
229 * @param bool $metadata Whether or not to show the metadata link
232 protected function showTOC( $metadata ) {
234 '<li><a href="#file">' . wfMsgHtml( 'file-anchor-link' ) . '</a></li>',
235 '<li><a href="#filehistory">' . wfMsgHtml( 'filehist' ) . '</a></li>',
236 '<li><a href="#filelinks">' . wfMsgHtml( 'imagelinks' ) . '</a></li>',
239 $r[] = '<li><a href="#metadata">' . wfMsgHtml( 'metadata' ) . '</a></li>';
242 wfRunHooks( 'ImagePageShowTOC', array( $this, &$r ) );
244 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
248 * Make a table with metadata to be shown in the output page.
250 * FIXME: bad interface, see note on MediaHandler::formatMetadata().
252 * @param array $exif The array containing the EXIF data
255 protected function makeMetadataTable( $metadata ) {
256 $r = "<div class=\"mw-imagepage-section-metadata\">";
257 $r .= wfMsgNoTrans( 'metadata-help' );
258 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
259 foreach ( $metadata as $type => $stuff ) {
260 foreach ( $stuff as $v ) {
261 # FIXME, why is this using escapeId for a class?!
262 $class = Sanitizer::escapeId( $v['id'] );
263 if( $type == 'collapsed' ) {
264 $class .= ' collapsable';
266 $r .= "<tr class=\"$class\">\n";
267 $r .= "<th>{$v['name']}</th>\n";
268 $r .= "<td>{$v['value']}</td>\n</tr>";
271 $r .= "</table>\n</div>\n";
276 * Overloading Article's getContent method.
278 * Omit noarticletext if sharedupload; text will be fetched from the
279 * shared upload server if possible.
281 public function getContent() {
283 if( $this->img && !$this->img->isLocal() && 0 == $this->getID() ) {
286 return Article::getContent();
289 protected function openShowImage() {
290 global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
291 $wgLang, $wgContLang, $wgEnableUploads;
295 $full_url = $this->displayImg->getURL();
296 $linkAttribs = false;
297 $sizeSel = intval( $wgUser->getOption( 'imagesize') );
298 if( !isset( $wgImageLimits[$sizeSel] ) ) {
299 $sizeSel = User::getDefaultOption( 'imagesize' );
301 // The user offset might still be incorrect, specially if
302 // $wgImageLimits got changed (see bug #8858).
303 if( !isset( $wgImageLimits[$sizeSel] ) ) {
304 // Default to the first offset in $wgImageLimits
308 $max = $wgImageLimits[$sizeSel];
310 $maxHeight = $max[1];
311 $sk = $wgUser->getSkin();
312 $dirmark = $wgContLang->getDirMark();
314 if( $this->displayImg->exists() ) {
316 $page = $wgRequest->getIntOrNull( 'page' );
317 if( is_null( $page ) ) {
321 $params = array( 'page' => $page );
323 $width_orig = $this->displayImg->getWidth();
324 $width = $width_orig;
325 $height_orig = $this->displayImg->getHeight();
326 $height = $height_orig;
327 $mime = $this->displayImg->getMimeType();
329 $linkAttribs = array( 'href' => $full_url );
330 $longDesc = $this->displayImg->getLongDesc();
332 wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$wgOut ) );
334 if( $this->displayImg->allowInlineDisplay() ) {
337 # "Download high res version" link below the image
338 #$msgsize = wfMsgHtml('file-info-size', $width_orig, $height_orig, $sk->formatSize( $this->displayImg->getSize() ), $mime );
339 # We'll show a thumbnail of this image
340 if( $width > $maxWidth || $height > $maxHeight ) {
341 # Calculate the thumbnail size.
342 # First case, the limiting factor is the width, not the height.
343 if( $width / $height >= $maxWidth / $maxHeight ) {
344 $height = round( $height * $maxWidth / $width);
346 # Note that $height <= $maxHeight now.
348 $newwidth = floor( $width * $maxHeight / $height);
349 $height = round( $height * $newwidth / $width );
351 # Note that $height <= $maxHeight now, but might not be identical
352 # because of rounding.
354 $msgbig = wfMsgHtml( 'show-big-image' );
355 $msgsmall = wfMsgExt( 'show-big-image-thumb', 'parseinline',
356 $wgLang->formatNum( $width ),
357 $wgLang->formatNum( $height )
360 # Image is small enough to show full size on image page
361 $msgbig = htmlspecialchars( $this->displayImg->getName() );
362 $msgsmall = wfMsgExt( 'file-nohires', array( 'parseinline' ) );
365 $params['width'] = $width;
366 $thumbnail = $this->displayImg->transform( $params );
368 $anchorclose = "<br />";
369 if( $this->displayImg->mustRender() ) {
374 '<br />' . Xml::tags( 'a', $linkAttribs, $msgbig ) . "$dirmark " . $longDesc;
377 $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
379 $wgOut->addHTML( '<table class="multipageimage"><tr><td>' );
384 'alt' => $this->displayImg->getTitle()->getPrefixedText(),
387 $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
388 $thumbnail->toHtml( $options ) .
389 $anchorclose . "</div>\n" );
393 $count = $this->displayImg->pageCount();
396 $label = $wgOut->parse( wfMsg( 'imgmultipageprev' ), false );
401 array( 'page' => $page - 1 ),
402 array( 'known', 'noclasses' )
404 $thumb1 = $sk->makeThumbLinkObj( $this->mTitle, $this->displayImg, $link, $label, 'none',
405 array( 'page' => $page - 1 ) );
410 if( $page < $count ) {
411 $label = wfMsg( 'imgmultipagenext' );
416 array( 'page' => $page + 1 ),
417 array( 'known', 'noclasses' )
419 $thumb2 = $sk->makeThumbLinkObj( $this->mTitle, $this->displayImg, $link, $label, 'none',
420 array( 'page' => $page + 1 ) );
428 'name' => 'pageselector',
429 'action' => $wgScript,
430 'onchange' => 'document.pageselector.submit();',
434 for ( $i=1; $i <= $count; $i++ ) {
435 $options[] = Xml::option( $wgLang->formatNum($i), $i, $i == $page );
437 $select = Xml::tags( 'select',
438 array( 'id' => 'pageselector', 'name' => 'page' ),
439 implode( "\n", $options ) );
442 '</td><td><div class="multipageimagenavbox">' .
443 Xml::openElement( 'form', $formParams ) .
444 Xml::hidden( 'title', $this->getTitle()->getPrefixedDbKey() ) .
445 wfMsgExt( 'imgmultigoto', array( 'parseinline', 'replaceafter' ), $select ) .
446 Xml::submitButton( wfMsg( 'imgmultigo' ) ) .
447 Xml::closeElement( 'form' ) .
448 "<hr />$thumb1\n$thumb2<br clear=\"all\" /></div></td></tr></table>"
452 #if direct link is allowed but it's not a renderable image, show an icon.
453 if( $this->displayImg->isSafeFile() ) {
454 $icon= $this->displayImg->iconThumb();
456 $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
457 $icon->toHtml( array( 'file-link' => true ) ) .
466 $filename = wfEscapeWikiText( $this->displayImg->getName() );
467 $medialink = "[[Media:$filename|$filename]]";
469 if( !$this->displayImg->isSafeFile() ) {
470 $warning = wfMsgNoTrans( 'mediawarning' );
471 $wgOut->addWikiText( <<<EOT
472 <div class="fullMedia">
473 <span class="dangerousLink">{$medialink}</span>$dirmark
474 <span class="fileInfo">$longDesc</span>
476 <div class="mediaWarning">$warning</div>
480 $wgOut->addWikiText( <<<EOT
481 <div class="fullMedia">
482 {$medialink}{$dirmark}
483 <span class="fileInfo">$longDesc</span>
490 if( !$this->displayImg->isLocal() ) {
491 $this->printSharedImageText();
494 # Image does not exist
495 if ( $wgEnableUploads && $wgUser->isAllowed( 'upload' ) ) {
496 // Only show an upload link if the user can upload
497 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
499 'filepage-nofile-link',
500 $uploadTitle->getFullUrl( array( 'wpDestFile' => $this->img->getName() ) )
505 $nofile = 'filepage-nofile';
507 $wgOut->setRobotPolicy( 'noindex,nofollow' );
508 $wgOut->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
513 * Show a notice that the file is from a shared repository
515 protected function printSharedImageText() {
520 $descUrl = $this->img->getDescriptionUrl();
521 $descText = $this->img->getDescriptionText();
523 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
524 $repo = $this->img->getRepo()->getDisplayName();
527 if( $descUrl && $descText && wfMsgNoTrans( 'sharedupload-desc-here' ) !== '-' ) {
528 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) );
529 } elseif ( $descUrl && wfMsgNoTrans( 'sharedupload-desc-there' ) !== '-' ) {
530 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) );
532 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload', $repo ), ''/*BACKCOMPAT*/ );
536 $this->mExtraDescription = $descText;
540 public function getUploadUrl() {
542 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
543 return $uploadTitle->getFullUrl( array(
544 'wpDestFile' => $this->img->getName(),
550 * Print out the various links at the bottom of the image page, e.g. reupload,
551 * external editing (and instructions link) etc.
553 protected function uploadLinksBox() {
554 global $wgUser, $wgOut, $wgEnableUploads, $wgUseExternalEditor;
556 if( !$wgEnableUploads ) { return; }
559 if( !$this->img->isLocal() )
562 $sk = $wgUser->getSkin();
564 $wgOut->addHTML( "<br /><ul>\n" );
566 # "Upload a new version of this file" link
567 if( UploadBase::userCanReUpload($wgUser,$this->img->name) ) {
568 $ulink = $sk->makeExternalLink( $this->getUploadUrl(), wfMsg( 'uploadnewversion-linktext' ) );
569 $wgOut->addHTML( "<li id=\"mw-imagepage-reupload-link\"><div class=\"plainlinks\">{$ulink}</div></li>\n" );
572 # External editing link
573 if ( $wgUseExternalEditor ) {
576 wfMsgHtml( 'edit-externally' ),
580 'externaledit' => 'true',
583 array( 'known', 'noclasses' )
585 $wgOut->addHTML( '<li id="mw-imagepage-edit-external">' . $elink . ' <small>' . wfMsgExt( 'edit-externally-help', array( 'parseinline' ) ) . "</small></li>\n" );
588 $wgOut->addHTML( "</ul>\n" );
591 protected function closeShowImage() {} # For overloading
594 * If the page we've just displayed is in the "Image" namespace,
595 * we follow it with an upload history of the image and its usage.
597 protected function imageHistory() {
601 $pager = new ImageHistoryPseudoPager( $this );
602 $wgOut->addHTML( $pager->getBody() );
603 $wgOut->preventClickjacking( $pager->getPreventClickjacking() );
605 $this->img->resetHistory(); // free db resources
607 # Exist check because we don't want to show this on pages where an image
608 # doesn't exist along with the noimage message, that would suck. -ævar
609 if( $this->img->exists() ) {
610 $this->uploadLinksBox();
614 protected function imageLinks() {
615 global $wgUser, $wgOut, $wgLang;
619 $dbr = wfGetDB( DB_SLAVE );
622 array( 'imagelinks', 'page' ),
623 array( 'page_namespace', 'page_title' ),
624 array( 'il_to' => $this->mTitle->getDBkey(), 'il_from = page_id' ),
626 array( 'LIMIT' => $limit + 1)
628 $count = $dbr->numRows( $res );
630 $wgOut->addHTML( "<div id='mw-imagepage-nolinkstoimage'>\n" );
631 $wgOut->addWikiMsg( 'nolinkstoimage' );
632 $wgOut->addHTML( "</div>\n" );
636 $wgOut->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
637 if( $count <= $limit - 1 ) {
638 $wgOut->addWikiMsg( 'linkstoimage', $count );
640 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
641 $wgOut->addWikiMsg( 'linkstoimage-more',
642 $wgLang->formatNum( $limit ),
643 $this->mTitle->getPrefixedDBkey()
647 $wgOut->addHTML( "<ul class='mw-imagepage-linkstoimage'>\n" );
648 $sk = $wgUser->getSkin();
650 while ( $s = $res->fetchObject() ) {
652 if( $count <= $limit ) {
653 // We have not yet reached the extra one that tells us there is more to fetch
655 Title::makeTitle( $s->page_namespace, $s->page_title ),
659 array( 'known', 'noclasses' )
661 $wgOut->addHTML( "<li>{$link}</li>\n" );
664 $wgOut->addHTML( "</ul>\n" );
667 // Add a links to [[Special:Whatlinkshere]]
668 if( $count > $limit )
669 $wgOut->addWikiMsg( 'morelinkstoimage', $this->mTitle->getPrefixedDBkey() );
670 $wgOut->addHTML( "</div>\n" );
673 protected function imageRedirects() {
674 global $wgUser, $wgOut, $wgLang;
676 $redirects = $this->getTitle()->getRedirectsHere( NS_FILE );
677 if( count( $redirects ) == 0 ) return;
679 $wgOut->addHTML( "<div id='mw-imagepage-section-redirectstofile'>\n" );
680 $wgOut->addWikiMsg( 'redirectstofile',
681 $wgLang->formatNum( count( $redirects ) )
683 $wgOut->addHTML( "<ul class='mw-imagepage-redirectstofile'>\n" );
685 $sk = $wgUser->getSkin();
686 foreach ( $redirects as $title ) {
691 array( 'redirect' => 'no' ),
692 array( 'known', 'noclasses' )
694 $wgOut->addHTML( "<li>{$link}</li>\n" );
696 $wgOut->addHTML( "</ul></div>\n" );
700 protected function imageDupes() {
701 global $wgOut, $wgUser, $wgLang;
705 $dupes = $this->getDuplicates();
706 if( count( $dupes ) == 0 ) return;
708 $wgOut->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
709 $wgOut->addWikiMsg( 'duplicatesoffile',
710 $wgLang->formatNum( count( $dupes ) ), $this->mTitle->getDBkey()
712 $wgOut->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
714 $sk = $wgUser->getSkin();
715 foreach ( $dupes as $file ) {
717 if( $file->isLocal() ) {
723 array( 'known', 'noclasses' )
726 $link = $sk->makeExternalLink( $file->getDescriptionUrl(),
727 $file->getTitle()->getPrefixedText() );
728 $fromSrc = wfMsg( 'shared-repo-from', $file->getRepo()->getDisplayName() );
730 $wgOut->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
732 $wgOut->addHTML( "</ul></div>\n" );
736 * Delete the file, or an earlier version of it
738 public function delete() {
739 global $wgUploadMaintenance;
740 if( $wgUploadMaintenance && $this->mTitle && $this->mTitle->getNamespace() == NS_FILE ) {
742 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n", array( 'filedelete-maintenance' ) );
747 if( !$this->img->exists() || !$this->img->isLocal() || $this->img->getRedirected() ) {
748 // Standard article deletion
752 $deleter = new FileDeleteForm( $this->img );
757 * Revert the file to an earlier version
759 public function revert() {
761 $reverter = new FileRevertForm( $this->img );
762 $reverter->execute();
766 * Override handling of action=purge
768 public function doPurge() {
770 if( $this->img->exists() ) {
771 wfDebug( "ImagePage::doPurge purging " . $this->img->getName() . "\n" );
772 $update = new HTMLCacheUpdate( $this->mTitle, 'imagelinks' );
774 $this->img->upgradeRow();
775 $this->img->purgeCache();
777 wfDebug( "ImagePage::doPurge no image for " . $this->img->getName() . "; limiting purge to cache only\n" );
778 // even if the file supposedly doesn't exist, force any cached information
779 // to be updated (in case the cached information is wrong)
780 $this->img->purgeCache();
786 * Display an error with a wikitext description
788 function showError( $description ) {
790 $wgOut->setPageTitle( wfMsg( "internalerror" ) );
791 $wgOut->setRobotPolicy( "noindex,nofollow" );
792 $wgOut->setArticleRelated( false );
793 $wgOut->enableClientCache( false );
794 $wgOut->addWikiText( $description );
800 * Builds the image revision log shown on image pages
804 class ImageHistoryList {
806 protected $imagePage, $img, $skin, $title, $repo, $showThumb;
807 protected $preventClickjacking = false;
809 public function __construct( $imagePage ) {
810 global $wgUser, $wgShowArchiveThumbnails;
811 $this->skin = $wgUser->getSkin();
812 $this->current = $imagePage->getFile();
813 $this->img = $imagePage->getDisplayedFile();
814 $this->title = $imagePage->getTitle();
815 $this->imagePage = $imagePage;
816 $this->showThumb = $wgShowArchiveThumbnails && $this->img->canRender();
819 public function getImagePage() {
820 return $this->imagePage;
823 public function getSkin() {
827 public function getFile() {
831 public function beginImageHistoryList( $navLinks = '' ) {
832 global $wgOut, $wgUser;
833 return Xml::element( 'h2', array( 'id' => 'filehistory' ), wfMsg( 'filehist' ) ) . "\n"
834 . "<div id=\"mw-imagepage-section-filehistory\">\n"
835 . $wgOut->parse( wfMsgNoTrans( 'filehist-help' ) )
837 . Xml::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n"
839 . ( $this->current->isLocal() && ($wgUser->isAllowed('delete') || $wgUser->isAllowed('deletedhistory') ) ? '<td></td>' : '' )
840 . '<th>' . wfMsgHtml( 'filehist-datetime' ) . '</th>'
841 . ( $this->showThumb ? '<th>' . wfMsgHtml( 'filehist-thumb' ) . '</th>' : '' )
842 . '<th>' . wfMsgHtml( 'filehist-dimensions' ) . '</th>'
843 . '<th>' . wfMsgHtml( 'filehist-user' ) . '</th>'
844 . '<th>' . wfMsgHtml( 'filehist-comment' ) . '</th>'
848 public function endImageHistoryList( $navLinks = '' ) {
849 return "</table>\n$navLinks\n</div>\n";
852 public function imageHistoryLine( $iscur, $file ) {
853 global $wgUser, $wgLang, $wgContLang, $wgTitle;
855 $timestamp = wfTimestamp(TS_MW, $file->getTimestamp());
856 $img = $iscur ? $file->getName() : $file->getArchiveName();
857 $user = $file->getUser('id');
858 $usertext = $file->getUser('text');
859 $description = $file->getDescription();
861 $local = $this->current->isLocal();
862 $row = $css = $selected = '';
865 if( $local && ($wgUser->isAllowed('delete') || $wgUser->isAllowed('deletedhistory') ) ) {
867 # Link to remove from history
868 if( $wgUser->isAllowed( 'delete' ) ) {
869 $q = array( 'action' => 'delete' );
871 $q['oldimage'] = $img;
872 $row .= $this->skin->link(
874 wfMsgHtml( $iscur ? 'filehist-deleteall' : 'filehist-deleteone' ),
875 array(), $q, array( 'known' )
878 # Link to hide content. Don't show useless link to people who cannot hide revisions.
879 $canHide = $wgUser->isAllowed( 'deleterevision' );
880 if( $canHide || ($wgUser->isAllowed('deletedhistory') && $file->getVisibility()) ) {
881 if( $wgUser->isAllowed('delete') ) {
884 // If file is top revision or locked from this user, don't link
885 if( $iscur || !$file->userCan(File::DELETED_RESTRICTED) ) {
886 $del = $this->skin->revDeleteLinkDisabled( $canHide );
888 list( $ts, $name ) = explode( '!', $img, 2 );
890 'type' => 'oldimage',
891 'target' => $wgTitle->getPrefixedText(),
894 $del = $this->skin->revDeleteLink( $query,
895 $file->isDeleted(File::DELETED_RESTRICTED), $canHide );
902 // Reversion link/current indicator
905 $row .= wfMsgHtml( 'filehist-current' );
906 } elseif( $local && $wgUser->isLoggedIn() && $this->title->userCan( 'edit' ) ) {
907 if( $file->isDeleted(File::DELETED_FILE) ) {
908 $row .= wfMsgHtml('filehist-revert');
910 $row .= $this->skin->link(
912 wfMsgHtml( 'filehist-revert' ),
915 'action' => 'revert',
917 'wpEditToken' => $wgUser->editToken( $img )
919 array( 'known', 'noclasses' )
925 // Date/time and image link
926 if( $file->getTimestamp() === $this->img->getTimestamp() ) {
927 $selected = "class='filehistory-selected'";
929 $row .= "<td $selected style='white-space: nowrap;'>";
930 if( !$file->userCan(File::DELETED_FILE) ) {
931 # Don't link to unviewable files
932 $row .= '<span class="history-deleted">' . $wgLang->timeAndDate( $timestamp, true ) . '</span>';
933 } elseif( $file->isDeleted(File::DELETED_FILE) ) {
934 $this->preventClickjacking();
935 $revdel = SpecialPage::getTitleFor( 'Revisiondelete' );
936 # Make a link to review the image
937 $url = $this->skin->link(
939 $wgLang->timeAndDate( $timestamp, true ),
942 'target' => $wgTitle->getPrefixedText(),
944 'token' => $wgUser->editToken( $img )
946 array( 'known', 'noclasses' )
948 $row .= '<span class="history-deleted">'.$url.'</span>';
950 $url = $iscur ? $this->current->getUrl() : $this->current->getArchiveUrl( $img );
951 $row .= Xml::element( 'a', array( 'href' => $url ), $wgLang->timeAndDate( $timestamp, true ) );
956 if ( $this->showThumb ) {
957 $row .= '<td>' . $this->getThumbForLine( $file ) . '</td>';
960 // Image dimensions + size
962 $row .= htmlspecialchars( $file->getDimensionsString() );
963 $row .= " <span style='white-space: nowrap;'>(" . $this->skin->formatSize( $file->getSize() ) . ')</span>';
969 // Hide deleted usernames
970 if( $file->isDeleted(File::DELETED_USER) ) {
971 $row .= '<span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
973 $row .= $this->skin->userLink( $user, $usertext ) . " <span style='white-space: nowrap;'>" .
974 $this->skin->userToolLinks( $user, $usertext ) . "</span>";
977 $row .= htmlspecialchars( $usertext );
981 // Don't show deleted descriptions
982 if( $file->isDeleted(File::DELETED_COMMENT) ) {
983 $row .= '<span class="history-deleted">' . wfMsgHtml('rev-deleted-comment') . '</span>';
985 $row .= $this->skin->commentBlock( $description, $this->title );
989 wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) );
990 $classAttr = $rowClass ? " class='$rowClass'" : "";
992 return "<tr{$classAttr}>{$row}</tr>\n";
995 protected function getThumbForLine( $file ) {
998 if( $file->allowInlineDisplay() && $file->userCan( File::DELETED_FILE ) && !$file->isDeleted( File::DELETED_FILE ) ) {
1003 $timestamp = wfTimestamp(TS_MW, $file->getTimestamp());
1005 $thumbnail = $file->transform( $params );
1007 'alt' => wfMsg( 'filehist-thumbtext',
1008 $wgLang->timeAndDate( $timestamp, true ),
1009 $wgLang->date( $timestamp, true ),
1010 $wgLang->time( $timestamp, true ) ),
1011 'file-link' => true,
1014 if ( !$thumbnail ) return wfMsgHtml( 'filehist-nothumb' );
1016 return $thumbnail->toHtml( $options );
1018 return wfMsgHtml( 'filehist-nothumb' );
1022 protected function preventClickjacking( $enable = true ) {
1023 $this->preventClickjacking = $enable;
1026 public function getPreventClickjacking() {
1027 return $this->preventClickjacking;
1031 class ImageHistoryPseudoPager extends ReverseChronologicalPager {
1032 protected $preventClickjacking = false;
1034 function __construct( $imagePage ) {
1035 parent::__construct();
1036 $this->mImagePage = $imagePage;
1037 $this->mTitle = clone( $imagePage->getTitle() );
1038 $this->mTitle->setFragment( '#filehistory' );
1040 $this->mHist = array();
1041 $this->mRange = array( 0, 0 ); // display range
1044 function getTitle() {
1045 return $this->mTitle;
1048 function getQueryInfo() {
1052 function getIndexField() {
1056 function formatRow( $row ) {
1060 function getBody() {
1063 if( count($this->mHist) ) {
1064 $list = new ImageHistoryList( $this->mImagePage );
1065 # Generate prev/next links
1066 $navLink = $this->getNavigationBar();
1067 $s = $list->beginImageHistoryList($navLink);
1068 // Skip rows there just for paging links
1069 for( $i = $this->mRange[0]; $i <= $this->mRange[1]; $i++ ) {
1070 $file = $this->mHist[$i];
1071 $s .= $list->imageHistoryLine( !$file->isOld(), $file );
1073 $s .= $list->endImageHistoryList($navLink);
1075 if ( $list->getPreventClickjacking() ) {
1076 $this->preventClickjacking();
1082 function doQuery() {
1083 if( $this->mQueryDone ) return;
1084 $this->mImg = $this->mImagePage->getFile(); // ensure loading
1085 if( !$this->mImg->exists() ) {
1088 $queryLimit = $this->mLimit + 1; // limit plus extra row
1089 if( $this->mIsBackwards ) {
1090 // Fetch the file history
1091 $this->mHist = $this->mImg->getHistory($queryLimit,null,$this->mOffset,false);
1092 // The current rev may not meet the offset/limit
1093 $numRows = count($this->mHist);
1094 if( $numRows <= $this->mLimit && $this->mImg->getTimestamp() > $this->mOffset ) {
1095 $this->mHist = array_merge( array($this->mImg), $this->mHist );
1098 // The current rev may not meet the offset
1099 if( !$this->mOffset || $this->mImg->getTimestamp() < $this->mOffset ) {
1100 $this->mHist[] = $this->mImg;
1102 // Old image versions (fetch extra row for nav links)
1103 $oiLimit = count($this->mHist) ? $this->mLimit : $this->mLimit+1;
1104 // Fetch the file history
1105 $this->mHist = array_merge( $this->mHist,
1106 $this->mImg->getHistory($oiLimit,$this->mOffset,null,false) );
1108 $numRows = count($this->mHist); // Total number of query results
1110 # Index value of top item in the list
1111 $firstIndex = $this->mIsBackwards ?
1112 $this->mHist[$numRows-1]->getTimestamp() : $this->mHist[0]->getTimestamp();
1113 # Discard the extra result row if there is one
1114 if( $numRows > $this->mLimit && $numRows > 1 ) {
1115 if( $this->mIsBackwards ) {
1116 # Index value of item past the index
1117 $this->mPastTheEndIndex = $this->mHist[0]->getTimestamp();
1118 # Index value of bottom item in the list
1119 $lastIndex = $this->mHist[1]->getTimestamp();
1121 $this->mRange = array( 1, $numRows-1 );
1123 # Index value of item past the index
1124 $this->mPastTheEndIndex = $this->mHist[$numRows-1]->getTimestamp();
1125 # Index value of bottom item in the list
1126 $lastIndex = $this->mHist[$numRows-2]->getTimestamp();
1128 $this->mRange = array( 0, $numRows-2 );
1131 # Setting indexes to an empty string means that they will be
1132 # omitted if they would otherwise appear in URLs. It just so
1133 # happens that this is the right thing to do in the standard
1134 # UI, in all the relevant cases.
1135 $this->mPastTheEndIndex = '';
1136 # Index value of bottom item in the list
1137 $lastIndex = $this->mIsBackwards ?
1138 $this->mHist[0]->getTimestamp() : $this->mHist[$numRows-1]->getTimestamp();
1140 $this->mRange = array( 0, $numRows-1 );
1145 $this->mPastTheEndIndex = '';
1147 if( $this->mIsBackwards ) {
1148 $this->mIsFirst = ( $numRows < $queryLimit );
1149 $this->mIsLast = ( $this->mOffset == '' );
1150 $this->mLastShown = $firstIndex;
1151 $this->mFirstShown = $lastIndex;
1153 $this->mIsFirst = ( $this->mOffset == '' );
1154 $this->mIsLast = ( $numRows < $queryLimit );
1155 $this->mLastShown = $lastIndex;
1156 $this->mFirstShown = $firstIndex;
1158 $this->mQueryDone = true;
1161 protected function preventClickjacking( $enable = true ) {
1162 $this->preventClickjacking = $enable;
1165 public function getPreventClickjacking() {
1166 return $this->preventClickjacking;