mPage->setFile( $file ); $this->displayImg = $file; $this->fileLoaded = true; } protected function loadFile() { if ( $this->fileLoaded ) { return; } $this->fileLoaded = true; $this->displayImg = $img = false; wfRunHooks( 'ImagePageFindFile', array( $this, &$img, &$this->displayImg ) ); if ( !$img ) { // not set by hook? $img = wfFindFile( $this->getTitle() ); if ( !$img ) { $img = wfLocalFile( $this->getTitle() ); } } $this->mPage->setFile( $img ); if ( !$this->displayImg ) { // not set by hook? $this->displayImg = $img; } $this->repo = $img->getRepo(); } /** * Handler for action=render * Include body text only; none of the image extras */ public function render() { $this->getContext()->getOutput()->setArticleBodyOnly( true ); parent::view(); } public function view() { global $wgShowEXIF; $out = $this->getContext()->getOutput(); $request = $this->getContext()->getRequest(); $diff = $request->getVal( 'diff' ); $diffOnly = $request->getBool( 'diffonly', $this->getContext()->getUser()->getOption( 'diffonly' ) ); if ( $this->getTitle()->getNamespace() != NS_FILE || ( $diff !== null && $diffOnly ) ) { parent::view(); return; } $this->loadFile(); if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) { if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || $diff !== null ) { // mTitle is the same as the redirect target so ask Article // to perform the redirect for us. $request->setVal( 'diffonly', 'true' ); parent::view(); return; } else { // mTitle is not the same as the redirect target so it is // probably the redirect page itself. Fake the redirect symbol $out->setPageTitle( $this->getTitle()->getPrefixedText() ); $out->addHTML( $this->viewRedirect( Title::makeTitle( NS_FILE, $this->mPage->getFile()->getName() ), /* $appendSubtitle */ true, /* $forceKnown */ true ) ); $this->mPage->doViewUpdates( $this->getContext()->getUser() ); return; } } if ( $wgShowEXIF && $this->displayImg->exists() ) { // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata(). $formattedMetadata = $this->displayImg->formatMetadata(); $showmeta = $formattedMetadata !== false; } else { $showmeta = false; } if ( !$diff && $this->displayImg->exists() ) { $out->addHTML( $this->showTOC( $showmeta ) ); } if ( !$diff ) { $this->openShowImage(); } # No need to display noarticletext, we use our own message, output in openShowImage() if ( $this->mPage->getID() ) { # NS_FILE is in the user language, but this section (the actual wikitext) # should be in page content language $pageLang = $this->getTitle()->getPageViewLanguage(); $out->addHTML( Xml::openElement( 'div', array( 'id' => 'mw-imagepage-content', 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(), 'class' => 'mw-content-' . $pageLang->getDir() ) ) ); parent::view(); $out->addHTML( Xml::closeElement( 'div' ) ); } else { # Just need to set the right headers $out->setArticleFlag( true ); $out->setPageTitle( $this->getTitle()->getPrefixedText() ); $this->mPage->doViewUpdates( $this->getContext()->getUser() ); } # Show shared description, if needed if ( $this->mExtraDescription ) { $fol = wfMessage( 'shareddescriptionfollows' ); if ( !$fol->isDisabled() ) { $out->addWikiText( $fol->plain() ); } $out->addHTML( '
' . $this->mExtraDescription . "
\n" ); } $this->closeShowImage(); $this->imageHistory(); // TODO: Cleanup the following $out->addHTML( Xml::element( 'h2', array( 'id' => 'filelinks' ), wfMessage( 'imagelinks' )->text() ) . "\n" ); $this->imageDupes(); # @todo FIXME: For some freaky reason, we can't redirect to foreign images. # Yet we return metadata about the target. Definitely an issue in the FileRepo $this->imageLinks(); # Allow extensions to add something after the image links $html = ''; wfRunHooks( 'ImagePageAfterImageLinks', array( $this, &$html ) ); if ( $html ) { $out->addHTML( $html ); } if ( $showmeta ) { $out->addHTML( Xml::element( 'h2', array( 'id' => 'metadata' ), wfMessage( 'metadata' )->text() ) . "\n" ); $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) ); $out->addModules( array( 'mediawiki.action.view.metadata' ) ); } // Add remote Filepage.css if ( !$this->repo->isLocal() ) { $css = $this->repo->getDescriptionStylesheetUrl(); if ( $css ) { $out->addStyle( $css ); } } // always show the local local Filepage.css, bug 29277 $out->addModuleStyles( 'filepage' ); } /** * @return File */ public function getDisplayedFile() { $this->loadFile(); return $this->displayImg; } /** * Create the TOC * * @param $metadata Boolean: whether or not to show the metadata link * @return String */ protected function showTOC( $metadata ) { $r = array( '
  • ' . wfMessage( 'file-anchor-link' )->escaped() . '
  • ', '
  • ' . wfMessage( 'filehist' )->escaped() . '
  • ', '
  • ' . wfMessage( 'imagelinks' )->escaped() . '
  • ', ); if ( $metadata ) { $r[] = '
  • ' . wfMessage( 'metadata' )->escaped() . '
  • '; } wfRunHooks( 'ImagePageShowTOC', array( $this, &$r ) ); return ''; } /** * Make a table with metadata to be shown in the output page. * * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata(). * * @param array $metadata the array containing the Exif data * @return String The metadata table. This is treated as Wikitext (!) */ protected function makeMetadataTable( $metadata ) { $r = "
    "; $r .= wfMessage( 'metadata-help' )->plain(); $r .= "\n"; foreach ( $metadata as $type => $stuff ) { foreach ( $stuff as $v ) { # @todo FIXME: Why is this using escapeId for a class?! $class = Sanitizer::escapeId( $v['id'] ); if ( $type == 'collapsed' ) { $class .= ' collapsable'; // sic } $r .= "\n"; $r .= "\n"; $r .= "\n"; } } $r .= "
    {$v['name']}{$v['value']}
    \n
    \n"; return $r; } /** * Overloading Article's getContentObject method. * * Omit noarticletext if sharedupload; text will be fetched from the * shared upload server if possible. * @return string */ public function getContentObject() { $this->loadFile(); if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getID() ) { return null; } return parent::getContentObject(); } protected function openShowImage() { global $wgImageLimits, $wgEnableUploads, $wgSend404Code; $this->loadFile(); $out = $this->getContext()->getOutput(); $user = $this->getContext()->getUser(); $lang = $this->getContext()->getLanguage(); $dirmark = $lang->getDirMarkEntity(); $request = $this->getContext()->getRequest(); $max = $this->getImageLimitsFromOption( $user, 'imagesize' ); $maxWidth = $max[0]; $maxHeight = $max[1]; if ( $this->displayImg->exists() ) { # image $page = $request->getIntOrNull( 'page' ); if ( is_null( $page ) ) { $params = array(); $page = 1; } else { $params = array( 'page' => $page ); } $renderLang = $request->getVal( 'lang' ); if ( !is_null( $renderLang ) ) { $params['lang'] = $renderLang; } $width_orig = $this->displayImg->getWidth( $page ); $width = $width_orig; $height_orig = $this->displayImg->getHeight( $page ); $height = $height_orig; $filename = wfEscapeWikiText( $this->displayImg->getName() ); $linktext = $filename; wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$out ) ); if ( $this->displayImg->allowInlineDisplay() ) { # image # "Download high res version" link below the image # $msgsize = wfMessage( 'file-info-size', $width_orig, $height_orig, Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped(); # We'll show a thumbnail of this image if ( $width > $maxWidth || $height > $maxHeight ) { # Calculate the thumbnail size. # First case, the limiting factor is the width, not the height. if ( $width / $height >= $maxWidth / $maxHeight ) { // FIXME: Possible division by 0. bug 36911 $height = round( $height * $maxWidth / $width ); // FIXME: Possible division by 0. bug 36911 $width = $maxWidth; # Note that $height <= $maxHeight now. } else { $newwidth = floor( $width * $maxHeight / $height ); // FIXME: Possible division by 0. bug 36911 $height = round( $height * $newwidth / $width ); // FIXME: Possible division by 0. bug 36911 $width = $newwidth; # Note that $height <= $maxHeight now, but might not be identical # because of rounding. } $linktext = wfMessage( 'show-big-image' )->escaped(); if ( $this->displayImg->getRepo()->canTransformVia404() ) { $thumbSizes = $wgImageLimits; } else { # Creating thumb links triggers thumbnail generation. # Just generate the thumb for the current users prefs. $thumbSizes = array( $this->getImageLimitsFromOption( $user, 'thumbsize' ) ); } # Generate thumbnails or thumbnail links as needed... $otherSizes = array(); foreach ( $thumbSizes as $size ) { if ( $size[0] < $width_orig && $size[1] < $height_orig && $size[0] != $width && $size[1] != $height ) { $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] ); if ( $sizeLink ) { $otherSizes[] = $sizeLink; } } } $msgsmall = ''; $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height ); if ( $sizeLinkBigImagePreview ) { $msgsmall .= wfMessage( 'show-big-image-preview' )-> rawParams( $sizeLinkBigImagePreview )-> parse(); } if ( count( $otherSizes ) ) { $msgsmall .= ' ' . Html::rawElement( 'span', array( 'class' => 'mw-filepage-other-resolutions' ), wfMessage( 'show-big-image-other' )->rawParams( $lang->pipeList( $otherSizes ) )-> params( count( $otherSizes ) )->parse() ); } } elseif ( $width == 0 && $height == 0 ) { # Some sort of audio file that doesn't have dimensions # Don't output a no hi res message for such a file $msgsmall = ''; } elseif ( $this->displayImg->isVectorized() ) { # For vectorized images, full size is just the frame size $msgsmall = ''; } else { # Image is small enough to show full size on image page $msgsmall = wfMessage( 'file-nohires' )->parse(); } $params['width'] = $width; $params['height'] = $height; $thumbnail = $this->displayImg->transform( $params ); $anchorclose = Html::rawElement( 'div', array( 'class' => 'mw-filepage-resolutioninfo' ), $msgsmall ); $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1; if ( $isMulti ) { $out->addModules( 'mediawiki.page.image.pagination' ); $out->addHTML( '
    ' ); } if ( $thumbnail ) { $options = array( 'alt' => $this->displayImg->getTitle()->getPrefixedText(), 'file-link' => true, ); $out->addHTML( '\n" ); } if ( $isMulti ) { $count = $this->displayImg->pageCount(); if ( $page > 1 ) { $label = $out->parse( wfMessage( 'imgmultipageprev' )->text(), false ); // on the client side, this link is generated in ajaxifyPageNavigation() // in the mediawiki.page.image.pagination module $link = Linker::linkKnown( $this->getTitle(), $label, array(), array( 'page' => $page - 1 ) ); $thumb1 = Linker::makeThumbLinkObj( $this->getTitle(), $this->displayImg, $link, $label, 'none', array( 'page' => $page - 1 ) ); } else { $thumb1 = ''; } if ( $page < $count ) { $label = wfMessage( 'imgmultipagenext' )->text(); $link = Linker::linkKnown( $this->getTitle(), $label, array(), array( 'page' => $page + 1 ) ); $thumb2 = Linker::makeThumbLinkObj( $this->getTitle(), $this->displayImg, $link, $label, 'none', array( 'page' => $page + 1 ) ); } else { $thumb2 = ''; } global $wgScript; $formParams = array( 'name' => 'pageselector', 'action' => $wgScript, ); $options = array(); for ( $i = 1; $i <= $count; $i++ ) { $options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page ); } $select = Xml::tags( 'select', array( 'id' => 'pageselector', 'name' => 'page' ), implode( "\n", $options ) ); $out->addHTML( '
    ' . Xml::openElement( 'form', $formParams ) . Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) . wfMessage( 'imgmultigoto' )->rawParams( $select )->parse() . Xml::submitButton( wfMessage( 'imgmultigo' )->text() ) . Xml::closeElement( 'form' ) . "
    $thumb1\n$thumb2
    " ); } } elseif ( $this->displayImg->isSafeFile() ) { # if direct link is allowed but it's not a renderable image, show an icon. $icon = $this->displayImg->iconThumb(); $out->addHTML( '\n" ); } $longDesc = wfMessage( 'parentheses', $this->displayImg->getLongDesc() )->text(); $medialink = "[[Media:$filename|$linktext]]"; if ( !$this->displayImg->isSafeFile() ) { $warning = wfMessage( 'mediawarning' )->plain(); // dirmark is needed here to separate the file name, which // most likely ends in Latin characters, from the description, // which may begin with the file type. In RTL environment // this will get messy. // The dirmark, however, must not be immediately adjacent // to the filename, because it can get copied with it. // See bug 25277. $out->addWikiText( <<{$medialink} $dirmark$longDesc
    $warning
    EOT ); } else { $out->addWikiText( <<{$medialink} {$dirmark}$longDesc EOT ); } // Add cannot animate thumbnail warning if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) { // Include the extension so wiki admins can // customize it on a per file-type basis // (aka say things like use format X instead). // additionally have a specific message for // file-no-thumb-animation-gif $ext = $this->displayImg->getExtension(); $noAnimMesg = wfMessageFallback( 'file-no-thumb-animation-' . $ext, 'file-no-thumb-animation' )->plain(); $out->addWikiText( <<{$noAnimMesg} EOT ); } if ( !$this->displayImg->isLocal() ) { $this->printSharedImageText(); } } else { # Image does not exist if ( !$this->getID() ) { # No article exists either # Show deletion log to be consistent with normal articles LogEventsList::showLogExtract( $out, array( 'delete', 'move' ), $this->getTitle()->getPrefixedText(), '', array( 'lim' => 10, 'conds' => array( "log_action != 'revision'" ), 'showIfEmpty' => false, 'msgKey' => array( 'moveddeleted-notice' ) ) ); } if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) { // Only show an upload link if the user can upload $uploadTitle = SpecialPage::getTitleFor( 'Upload' ); $nofile = array( 'filepage-nofile-link', $uploadTitle->getFullURL( array( 'wpDestFile' => $this->mPage->getFile()->getName() ) ) ); } else { $nofile = 'filepage-nofile'; } // Note, if there is an image description page, but // no image, then this setRobotPolicy is overridden // by Article::View(). $out->setRobotPolicy( 'noindex,nofollow' ); $out->wrapWikiMsg( "", $nofile ); if ( !$this->getID() && $wgSend404Code ) { // If there is no image, no shared image, and no description page, // output a 404, to be consistent with articles. $request->response()->header( 'HTTP/1.1 404 Not Found' ); } } $out->setFileVersion( $this->displayImg ); } /** * Creates an thumbnail of specified size and returns an HTML link to it * @param array $params Scaler parameters * @param $width int * @param $height int * @return string */ private function makeSizeLink( $params, $width, $height ) { $params['width'] = $width; $params['height'] = $height; $thumbnail = $this->displayImg->transform( $params ); if ( $thumbnail && !$thumbnail->isError() ) { return Html::rawElement( 'a', array( 'href' => $thumbnail->getUrl(), 'class' => 'mw-thumbnail-link' ), wfMessage( 'show-big-image-size' )->numParams( $thumbnail->getWidth(), $thumbnail->getHeight() )->parse() ); } else { return ''; } } /** * Show a notice that the file is from a shared repository */ protected function printSharedImageText() { $out = $this->getContext()->getOutput(); $this->loadFile(); $descUrl = $this->mPage->getFile()->getDescriptionUrl(); $descText = $this->mPage->getFile()->getDescriptionText(); /* Add canonical to head if there is no local page for this shared file */ if ( $descUrl && $this->mPage->getID() == 0 ) { $out->setCanonicalUrl( $descUrl ); } $wrap = "
    \n$1\n
    \n"; $repo = $this->mPage->getFile()->getRepo()->getDisplayName(); if ( $descUrl && $descText && wfMessage( 'sharedupload-desc-here' )->plain() !== '-' ) { $out->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) ); } elseif ( $descUrl && wfMessage( 'sharedupload-desc-there' )->plain() !== '-' ) { $out->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) ); } else { $out->wrapWikiMsg( $wrap, array( 'sharedupload', $repo ), ''/*BACKCOMPAT*/ ); } if ( $descText ) { $this->mExtraDescription = $descText; } } public function getUploadUrl() { $this->loadFile(); $uploadTitle = SpecialPage::getTitleFor( 'Upload' ); return $uploadTitle->getFullURL( array( 'wpDestFile' => $this->mPage->getFile()->getName(), 'wpForReUpload' => 1 ) ); } /** * Print out the various links at the bottom of the image page, e.g. reupload, * external editing (and instructions link) etc. */ protected function uploadLinksBox() { global $wgEnableUploads; if ( !$wgEnableUploads ) { return; } $this->loadFile(); if ( !$this->mPage->getFile()->isLocal() ) { return; } $out = $this->getContext()->getOutput(); $out->addHTML( "
      \n" ); # "Upload a new version of this file" link $canUpload = $this->getTitle()->userCan( 'upload', $this->getContext()->getUser() ); if ( $canUpload && UploadBase::userCanReUpload( $this->getContext()->getUser(), $this->mPage->getFile()->name ) ) { $ulink = Linker::makeExternalLink( $this->getUploadUrl(), wfMessage( 'uploadnewversion-linktext' )->text() ); $out->addHTML( "
    • {$ulink}
    • \n" ); } else { $out->addHTML( "
    • " . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "
    • \n" ); } $out->addHTML( "
    \n" ); } protected function closeShowImage() { } # For overloading /** * If the page we've just displayed is in the "Image" namespace, * we follow it with an upload history of the image and its usage. */ protected function imageHistory() { $this->loadFile(); $out = $this->getContext()->getOutput(); $pager = new ImageHistoryPseudoPager( $this ); $out->addHTML( $pager->getBody() ); $out->preventClickjacking( $pager->getPreventClickjacking() ); $this->mPage->getFile()->resetHistory(); // free db resources # Exist check because we don't want to show this on pages where an image # doesn't exist along with the noimage message, that would suck. -ævar if ( $this->mPage->getFile()->exists() ) { $this->uploadLinksBox(); } } /** * @param $target * @param $limit * @return ResultWrapper */ protected function queryImageLinks( $target, $limit ) { $dbr = wfGetDB( DB_SLAVE ); return $dbr->select( array( 'imagelinks', 'page' ), array( 'page_namespace', 'page_title', 'page_is_redirect', 'il_to' ), array( 'il_to' => $target, 'il_from = page_id' ), __METHOD__, array( 'LIMIT' => $limit + 1, 'ORDER BY' => 'il_from', ) ); } protected function imageLinks() { $limit = 100; $out = $this->getContext()->getOutput(); $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit + 1 ); $rows = array(); $redirects = array(); foreach ( $res as $row ) { if ( $row->page_is_redirect ) { $redirects[$row->page_title] = array(); } $rows[] = $row; } $count = count( $rows ); $hasMore = $count > $limit; if ( !$hasMore && count( $redirects ) ) { $res = $this->queryImageLinks( array_keys( $redirects ), $limit - count( $rows ) + 1 ); foreach ( $res as $row ) { $redirects[$row->il_to][] = $row; $count++; } $hasMore = ( $res->numRows() + count( $rows ) ) > $limit; } if ( $count == 0 ) { $out->wrapWikiMsg( Html::rawElement( 'div', array( 'id' => 'mw-imagepage-nolinkstoimage' ), "\n$1\n" ), 'nolinkstoimage' ); return; } $out->addHTML( "
    \n" ); if ( !$hasMore ) { $out->addWikiMsg( 'linkstoimage', $count ); } else { // More links than the limit. Add a link to [[Special:Whatlinkshere]] $out->addWikiMsg( 'linkstoimage-more', $this->getContext()->getLanguage()->formatNum( $limit ), $this->getTitle()->getPrefixedDBkey() ); } $out->addHTML( Html::openElement( 'ul', array( 'class' => 'mw-imagepage-linkstoimage' ) ) . "\n" ); $count = 0; // Sort the list by namespace:title usort( $rows, array( $this, 'compare' ) ); // Create links for every element $currentCount = 0; foreach ( $rows as $element ) { $currentCount++; if ( $currentCount > $limit ) { break; } $query = array(); # Add a redirect=no to make redirect pages reachable if ( isset( $redirects[$element->page_title] ) ) { $query['redirect'] = 'no'; } $link = Linker::linkKnown( Title::makeTitle( $element->page_namespace, $element->page_title ), null, array(), $query ); if ( !isset( $redirects[$element->page_title] ) ) { # No redirects $liContents = $link; } elseif ( count( $redirects[$element->page_title] ) === 0 ) { # Redirect without usages $liContents = wfMessage( 'linkstoimage-redirect' )->rawParams( $link, '' )->parse(); } else { # Redirect with usages $li = ''; foreach ( $redirects[$element->page_title] as $row ) { $currentCount++; if ( $currentCount > $limit ) { break; } $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) ); $li .= Html::rawElement( 'li', array( 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ), $link2 ) . "\n"; } $ul = Html::rawElement( 'ul', array( 'class' => 'mw-imagepage-redirectstofile' ), $li ) . "\n"; $liContents = wfMessage( 'linkstoimage-redirect' )->rawParams( $link, $ul )->parse(); } $out->addHTML( Html::rawElement( 'li', array( 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ), $liContents ) . "\n" ); }; $out->addHTML( Html::closeElement( 'ul' ) . "\n" ); $res->free(); // Add a links to [[Special:Whatlinkshere]] if ( $count > $limit ) { $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() ); } $out->addHTML( Html::closeElement( 'div' ) . "\n" ); } protected function imageDupes() { $this->loadFile(); $out = $this->getContext()->getOutput(); $dupes = $this->mPage->getDuplicates(); if ( count( $dupes ) == 0 ) { return; } $out->addHTML( "
    \n" ); $out->addWikiMsg( 'duplicatesoffile', $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey() ); $out->addHTML( "
      \n" ); /** * @var $file File */ foreach ( $dupes as $file ) { $fromSrc = ''; if ( $file->isLocal() ) { $link = Linker::linkKnown( $file->getTitle() ); } else { $link = Linker::makeExternalLink( $file->getDescriptionUrl(), $file->getTitle()->getPrefixedText() ); $fromSrc = wfMessage( 'shared-repo-from', $file->getRepo()->getDisplayName() )->text(); } $out->addHTML( "
    • {$link} {$fromSrc}
    • \n" ); } $out->addHTML( "
    \n" ); } /** * Delete the file, or an earlier version of it */ public function delete() { $file = $this->mPage->getFile(); if ( !$file->exists() || !$file->isLocal() || $file->getRedirected() ) { // Standard article deletion parent::delete(); return; } $deleter = new FileDeleteForm( $file ); $deleter->execute(); } /** * Display an error with a wikitext description * * @param $description String */ function showError( $description ) { $out = $this->getContext()->getOutput(); $out->setPageTitle( wfMessage( 'internalerror' ) ); $out->setRobotPolicy( 'noindex,nofollow' ); $out->setArticleRelated( false ); $out->enableClientCache( false ); $out->addWikiText( $description ); } /** * Callback for usort() to do link sorts by (namespace, title) * Function copied from Title::compare() * * @param $a object page to compare with * @param $b object page to compare with * @return Integer: result of string comparison, or namespace comparison */ protected function compare( $a, $b ) { if ( $a->page_namespace == $b->page_namespace ) { return strcmp( $a->page_title, $b->page_title ); } else { return $a->page_namespace - $b->page_namespace; } } /** * Returns the corresponding $wgImageLimits entry for the selected user option * * @param $user User * @param string $optionName Name of a option to check, typically imagesize or thumbsize * @return array * @since 1.21 */ public function getImageLimitsFromOption( $user, $optionName ) { global $wgImageLimits; $option = $user->getIntOption( $optionName ); if ( !isset( $wgImageLimits[$option] ) ) { $option = User::getDefaultOption( $optionName ); } // The user offset might still be incorrect, specially if // $wgImageLimits got changed (see bug #8858). if ( !isset( $wgImageLimits[$option] ) ) { // Default to the first offset in $wgImageLimits $option = 0; } return isset( $wgImageLimits[$option] ) ? $wgImageLimits[$option] : array( 800, 600 ); // if nothing is set, fallback to a hardcoded default } } /** * Builds the image revision log shown on image pages * * @ingroup Media */ class ImageHistoryList extends ContextSource { /** * @var Title */ protected $title; /** * @var File */ protected $img; /** * @var ImagePage */ protected $imagePage; /** * @var File */ protected $current; protected $repo, $showThumb; protected $preventClickjacking = false; /** * @param ImagePage $imagePage */ public function __construct( $imagePage ) { global $wgShowArchiveThumbnails; $this->current = $imagePage->getFile(); $this->img = $imagePage->getDisplayedFile(); $this->title = $imagePage->getTitle(); $this->imagePage = $imagePage; $this->showThumb = $wgShowArchiveThumbnails && $this->img->canRender(); $this->setContext( $imagePage->getContext() ); } /** * @return ImagePage */ public function getImagePage() { return $this->imagePage; } /** * @return File */ public function getFile() { return $this->img; } /** * @param $navLinks string * @return string */ public function beginImageHistoryList( $navLinks = '' ) { return Xml::element( 'h2', array( 'id' => 'filehistory' ), $this->msg( 'filehist' )->text() ) . "\n" . "
    \n" . $this->msg( 'filehist-help' )->parseAsBlock() . $navLinks . "\n" . Xml::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n" . '' . ( $this->current->isLocal() && ( $this->getUser()->isAllowedAny( 'delete', 'deletedhistory' ) ) ? '' : '' ) . '' . $this->msg( 'filehist-datetime' )->escaped() . '' . ( $this->showThumb ? '' . $this->msg( 'filehist-thumb' )->escaped() . '' : '' ) . '' . $this->msg( 'filehist-dimensions' )->escaped() . '' . '' . $this->msg( 'filehist-user' )->escaped() . '' . '' . $this->msg( 'filehist-comment' )->escaped() . '' . "\n"; } /** * @param $navLinks string * @return string */ public function endImageHistoryList( $navLinks = '' ) { return "\n$navLinks\n
    \n"; } /** * @param $iscur * @param $file File * @return string */ public function imageHistoryLine( $iscur, $file ) { global $wgContLang; $user = $this->getUser(); $lang = $this->getLanguage(); $timestamp = wfTimestamp( TS_MW, $file->getTimestamp() ); $img = $iscur ? $file->getName() : $file->getArchiveName(); $userId = $file->getUser( 'id' ); $userText = $file->getUser( 'text' ); $description = $file->getDescription( File::FOR_THIS_USER, $user ); $local = $this->current->isLocal(); $row = $selected = ''; // Deletion link if ( $local && ( $user->isAllowedAny( 'delete', 'deletedhistory' ) ) ) { $row .= ''; # Link to remove from history if ( $user->isAllowed( 'delete' ) ) { $q = array( 'action' => 'delete' ); if ( !$iscur ) { $q['oldimage'] = $img; } $row .= Linker::linkKnown( $this->title, $this->msg( $iscur ? 'filehist-deleteall' : 'filehist-deleteone' )->escaped(), array(), $q ); } # Link to hide content. Don't show useless link to people who cannot hide revisions. $canHide = $user->isAllowed( 'deleterevision' ); if ( $canHide || ( $user->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) { if ( $user->isAllowed( 'delete' ) ) { $row .= '
    '; } // If file is top revision or locked from this user, don't link if ( $iscur || !$file->userCan( File::DELETED_RESTRICTED, $user ) ) { $del = Linker::revDeleteLinkDisabled( $canHide ); } else { list( $ts, ) = explode( '!', $img, 2 ); $query = array( 'type' => 'oldimage', 'target' => $this->title->getPrefixedText(), 'ids' => $ts, ); $del = Linker::revDeleteLink( $query, $file->isDeleted( File::DELETED_RESTRICTED ), $canHide ); } $row .= $del; } $row .= ''; } // Reversion link/current indicator $row .= ''; if ( $iscur ) { $row .= $this->msg( 'filehist-current' )->escaped(); } elseif ( $local && $this->title->quickUserCan( 'edit', $user ) && $this->title->quickUserCan( 'upload', $user ) ) { if ( $file->isDeleted( File::DELETED_FILE ) ) { $row .= $this->msg( 'filehist-revert' )->escaped(); } else { $row .= Linker::linkKnown( $this->title, $this->msg( 'filehist-revert' )->escaped(), array(), array( 'action' => 'revert', 'oldimage' => $img, 'wpEditToken' => $user->getEditToken( $img ) ) ); } } $row .= ''; // Date/time and image link if ( $file->getTimestamp() === $this->img->getTimestamp() ) { $selected = "class='filehistory-selected'"; } $row .= ""; if ( !$file->userCan( File::DELETED_FILE, $user ) ) { # Don't link to unviewable files $row .= '' . $lang->userTimeAndDate( $timestamp, $user ) . ''; } elseif ( $file->isDeleted( File::DELETED_FILE ) ) { if ( $local ) { $this->preventClickjacking(); $revdel = SpecialPage::getTitleFor( 'Revisiondelete' ); # Make a link to review the image $url = Linker::linkKnown( $revdel, $lang->userTimeAndDate( $timestamp, $user ), array(), array( 'target' => $this->title->getPrefixedText(), 'file' => $img, 'token' => $user->getEditToken( $img ) ) ); } else { $url = $lang->userTimeAndDate( $timestamp, $user ); } $row .= '' . $url . ''; } else { $url = $iscur ? $this->current->getUrl() : $this->current->getArchiveUrl( $img ); $row .= Xml::element( 'a', array( 'href' => $url ), $lang->userTimeAndDate( $timestamp, $user ) ); } $row .= ""; // Thumbnail if ( $this->showThumb ) { $row .= '' . $this->getThumbForLine( $file ) . ''; } // Image dimensions + size $row .= ''; $row .= htmlspecialchars( $file->getDimensionsString() ); $row .= $this->msg( 'word-separator' )->plain(); $row .= ''; $row .= $this->msg( 'parentheses' )->rawParams( Linker::formatSize( $file->getSize() ) )->plain(); $row .= ''; $row .= ''; // Uploading user $row .= ''; // Hide deleted usernames if ( $file->isDeleted( File::DELETED_USER ) ) { $row .= '' . $this->msg( 'rev-deleted-user' )->escaped() . ''; } else { if ( $local ) { $row .= Linker::userLink( $userId, $userText ); $row .= $this->msg( 'word-separator' )->plain(); $row .= ''; $row .= Linker::userToolLinks( $userId, $userText ); $row .= ''; } else { $row .= htmlspecialchars( $userText ); } } $row .= ''; // Don't show deleted descriptions if ( $file->isDeleted( File::DELETED_COMMENT ) ) { $row .= '' . $this->msg( 'rev-deleted-comment' )->escaped() . ''; } else { $row .= '' . Linker::formatComment( $description, $this->title ) . ''; } $rowClass = null; wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) ); $classAttr = $rowClass ? " class='$rowClass'" : ''; return "{$row}\n"; } /** * @param $file File * @return string */ protected function getThumbForLine( $file ) { $lang = $this->getLanguage(); $user = $this->getUser(); if ( $file->allowInlineDisplay() && $file->userCan( File::DELETED_FILE, $user ) && !$file->isDeleted( File::DELETED_FILE ) ) { $params = array( 'width' => '120', 'height' => '120', ); $timestamp = wfTimestamp( TS_MW, $file->getTimestamp() ); $thumbnail = $file->transform( $params ); $options = array( 'alt' => $this->msg( 'filehist-thumbtext', $lang->userTimeAndDate( $timestamp, $user ), $lang->userDate( $timestamp, $user ), $lang->userTime( $timestamp, $user ) )->text(), 'file-link' => true, ); if ( !$thumbnail ) { return $this->msg( 'filehist-nothumb' )->escaped(); } return $thumbnail->toHtml( $options ); } else { return $this->msg( 'filehist-nothumb' )->escaped(); } } /** * @param $enable bool */ protected function preventClickjacking( $enable = true ) { $this->preventClickjacking = $enable; } /** * @return bool */ public function getPreventClickjacking() { return $this->preventClickjacking; } } class ImageHistoryPseudoPager extends ReverseChronologicalPager { protected $preventClickjacking = false; /** * @var File */ protected $mImg; /** * @var Title */ protected $mTitle; /** * @param ImagePage $imagePage */ function __construct( $imagePage ) { parent::__construct( $imagePage->getContext() ); $this->mImagePage = $imagePage; $this->mTitle = clone ( $imagePage->getTitle() ); $this->mTitle->setFragment( '#filehistory' ); $this->mImg = null; $this->mHist = array(); $this->mRange = array( 0, 0 ); // display range } /** * @return Title */ function getTitle() { return $this->mTitle; } function getQueryInfo() { return false; } /** * @return string */ function getIndexField() { return ''; } /** * @param $row object * @return string */ function formatRow( $row ) { return ''; } /** * @return string */ function getBody() { $s = ''; $this->doQuery(); if ( count( $this->mHist ) ) { $list = new ImageHistoryList( $this->mImagePage ); # Generate prev/next links $navLink = $this->getNavigationBar(); $s = $list->beginImageHistoryList( $navLink ); // Skip rows there just for paging links for ( $i = $this->mRange[0]; $i <= $this->mRange[1]; $i++ ) { $file = $this->mHist[$i]; $s .= $list->imageHistoryLine( !$file->isOld(), $file ); } $s .= $list->endImageHistoryList( $navLink ); if ( $list->getPreventClickjacking() ) { $this->preventClickjacking(); } } return $s; } function doQuery() { if ( $this->mQueryDone ) { return; } $this->mImg = $this->mImagePage->getFile(); // ensure loading if ( !$this->mImg->exists() ) { return; } $queryLimit = $this->mLimit + 1; // limit plus extra row if ( $this->mIsBackwards ) { // Fetch the file history $this->mHist = $this->mImg->getHistory( $queryLimit, null, $this->mOffset, false ); // The current rev may not meet the offset/limit $numRows = count( $this->mHist ); if ( $numRows <= $this->mLimit && $this->mImg->getTimestamp() > $this->mOffset ) { $this->mHist = array_merge( array( $this->mImg ), $this->mHist ); } } else { // The current rev may not meet the offset if ( !$this->mOffset || $this->mImg->getTimestamp() < $this->mOffset ) { $this->mHist[] = $this->mImg; } // Old image versions (fetch extra row for nav links) $oiLimit = count( $this->mHist ) ? $this->mLimit : $this->mLimit + 1; // Fetch the file history $this->mHist = array_merge( $this->mHist, $this->mImg->getHistory( $oiLimit, $this->mOffset, null, false ) ); } $numRows = count( $this->mHist ); // Total number of query results if ( $numRows ) { # Index value of top item in the list $firstIndex = $this->mIsBackwards ? $this->mHist[$numRows - 1]->getTimestamp() : $this->mHist[0]->getTimestamp(); # Discard the extra result row if there is one if ( $numRows > $this->mLimit && $numRows > 1 ) { if ( $this->mIsBackwards ) { # Index value of item past the index $this->mPastTheEndIndex = $this->mHist[0]->getTimestamp(); # Index value of bottom item in the list $lastIndex = $this->mHist[1]->getTimestamp(); # Display range $this->mRange = array( 1, $numRows - 1 ); } else { # Index value of item past the index $this->mPastTheEndIndex = $this->mHist[$numRows - 1]->getTimestamp(); # Index value of bottom item in the list $lastIndex = $this->mHist[$numRows - 2]->getTimestamp(); # Display range $this->mRange = array( 0, $numRows - 2 ); } } else { # Setting indexes to an empty string means that they will be # omitted if they would otherwise appear in URLs. It just so # happens that this is the right thing to do in the standard # UI, in all the relevant cases. $this->mPastTheEndIndex = ''; # Index value of bottom item in the list $lastIndex = $this->mIsBackwards ? $this->mHist[0]->getTimestamp() : $this->mHist[$numRows - 1]->getTimestamp(); # Display range $this->mRange = array( 0, $numRows - 1 ); } } else { $firstIndex = ''; $lastIndex = ''; $this->mPastTheEndIndex = ''; } if ( $this->mIsBackwards ) { $this->mIsFirst = ( $numRows < $queryLimit ); $this->mIsLast = ( $this->mOffset == '' ); $this->mLastShown = $firstIndex; $this->mFirstShown = $lastIndex; } else { $this->mIsFirst = ( $this->mOffset == '' ); $this->mIsLast = ( $numRows < $queryLimit ); $this->mLastShown = $lastIndex; $this->mFirstShown = $firstIndex; } $this->mQueryDone = true; } /** * @param $enable bool */ protected function preventClickjacking( $enable = true ) { $this->preventClickjacking = $enable; } /** * @return bool */ public function getPreventClickjacking() { return $this->preventClickjacking; } }