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Code Editor : ImagePage.php
<?php /** * Class for viewing MediaWiki file description pages * * @ingroup Media */ class ImagePage extends Article { /** * @var File */ private $displayImg; /** * @var FileRepo */ private $repo; private $fileLoaded; var $mExtraDescription = false; /** * @param $title Title * @return WikiFilePage */ protected function newPage( Title $title ) { // Overload mPage with a file-specific page return new WikiFilePage( $title ); } /** * Constructor from a page id * @param $id Int article ID to load */ public static function newFromID( $id ) { $t = Title::newFromID( $id ); # @todo FIXME: Doesn't inherit right return $t == null ? null : new self( $t ); # return $t == null ? null : new static( $t ); // PHP 5.3 } /** * @param $file File: * @return void */ public function setFile( $file ) { $this->mPage->setFile( $file ); $this->displayImg = $file; $this->fileLoaded = true; } protected function loadFile() { if ( $this->fileLoaded ) { return true; } $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() { global $wgOut; $wgOut->setArticleBodyOnly( true ); parent::view(); } public function view() { global $wgOut, $wgShowEXIF, $wgRequest, $wgUser; $diff = $wgRequest->getVal( 'diff' ); $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) ); if ( $this->getTitle()->getNamespace() != NS_FILE || ( isset( $diff ) && $diffOnly ) ) { return parent::view(); } $this->loadFile(); if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) { if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || isset( $diff ) ) { // mTitle is the same as the redirect target so ask Article // to perform the redirect for us. $wgRequest->setVal( 'diffonly', 'true' ); return parent::view(); } else { // mTitle is not the same as the redirect target so it is // probably the redirect page itself. Fake the redirect symbol $wgOut->setPageTitle( $this->getTitle()->getPrefixedText() ); $wgOut->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() ) { $wgOut->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()->getPageLanguage(); $wgOut->addHTML( Xml::openElement( 'div', array( 'id' => 'mw-imagepage-content', 'lang' => $pageLang->getCode(), 'dir' => $pageLang->getDir(), 'class' => 'mw-content-'.$pageLang->getDir() ) ) ); parent::view(); $wgOut->addHTML( Xml::closeElement( 'div' ) ); } else { # Just need to set the right headers $wgOut->setArticleFlag( true ); $wgOut->setPageTitle( $this->getTitle()->getPrefixedText() ); $this->mPage->doViewUpdates( $this->getContext()->getUser() ); } # Show shared description, if needed if ( $this->mExtraDescription ) { $fol = wfMessage( 'shareddescriptionfollows' ); if ( !$fol->isDisabled() ) { $wgOut->addWikiText( $fol->plain() ); } $wgOut->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" ); } $this->closeShowImage(); $this->imageHistory(); // TODO: Cleanup the following $wgOut->addHTML( Xml::element( 'h2', array( 'id' => 'filelinks' ), wfMsg( 'imagelinks' ) ) . "\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 ) { $wgOut->addHTML( $html ); } if ( $showmeta ) { $wgOut->addHTML( Xml::element( 'h2', array( 'id' => 'metadata' ), wfMsg( 'metadata' ) ) . "\n" ); $wgOut->addWikiText( $this->makeMetadataTable( $formattedMetadata ) ); $wgOut->addModules( array( 'mediawiki.action.view.metadata' ) ); } // Add remote Filepage.css if( !$this->repo->isLocal() ) { $css = $this->repo->getDescriptionStylesheetUrl(); if ( $css ) { $wgOut->addStyle( $css ); } } // always show the local local Filepage.css, bug 29277 $wgOut->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( '<li><a href="#file">' . wfMsgHtml( 'file-anchor-link' ) . '</a></li>', '<li><a href="#filehistory">' . wfMsgHtml( 'filehist' ) . '</a></li>', '<li><a href="#filelinks">' . wfMsgHtml( 'imagelinks' ) . '</a></li>', ); if ( $metadata ) { $r[] = '<li><a href="#metadata">' . wfMsgHtml( 'metadata' ) . '</a></li>'; } wfRunHooks( 'ImagePageShowTOC', array( $this, &$r ) ); return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>'; } /** * Make a table with metadata to be shown in the output page. * * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata(). * * @param $metadata Array: the array containing the EXIF data * @return String The metadata table. This is treated as Wikitext (!) */ protected function makeMetadataTable( $metadata ) { $r = "<div class=\"mw-imagepage-section-metadata\">"; $r .= wfMsgNoTrans( 'metadata-help' ); $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\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'; } $r .= "<tr class=\"$class\">\n"; $r .= "<th>{$v['name']}</th>\n"; $r .= "<td>{$v['value']}</td>\n</tr>"; } } $r .= "</table>\n</div>\n"; return $r; } /** * Overloading Article's getContent method. * * Omit noarticletext if sharedupload; text will be fetched from the * shared upload server if possible. * @return string */ public function getContent() { $this->loadFile(); if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getID() ) { return ''; } return parent::getContent(); } protected function openShowImage() { global $wgOut, $wgUser, $wgImageLimits, $wgRequest, $wgLang, $wgEnableUploads, $wgSend404Code; $this->loadFile(); $sizeSel = intval( $wgUser->getOption( 'imagesize' ) ); if ( !isset( $wgImageLimits[$sizeSel] ) ) { $sizeSel = User::getDefaultOption( 'imagesize' ); // The user offset might still be incorrect, specially if // $wgImageLimits got changed (see bug #8858). if ( !isset( $wgImageLimits[$sizeSel] ) ) { // Default to the first offset in $wgImageLimits $sizeSel = 0; } } $max = $wgImageLimits[$sizeSel]; $maxWidth = $max[0]; $maxHeight = $max[1]; $dirmark = $wgLang->getDirMark(); if ( $this->displayImg->exists() ) { # image $page = $wgRequest->getIntOrNull( 'page' ); if ( is_null( $page ) ) { $params = array(); $page = 1; } else { $params = array( 'page' => $page ); } $width_orig = $this->displayImg->getWidth( $page ); $width = $width_orig; $height_orig = $this->displayImg->getHeight( $page ); $height = $height_orig; $longDesc = wfMsg( 'parentheses', $this->displayImg->getLongDesc() ); wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$wgOut ) ); if ( $this->displayImg->allowInlineDisplay() ) { # image # "Download high res version" link below the image # $msgsize = wfMsgHtml( 'file-info-size', $width_orig, $height_orig, Linker::formatSize( $this->displayImg->getSize() ), $mime ); # 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 ) { $height = round( $height * $maxWidth / $width ); $width = $maxWidth; # Note that $height <= $maxHeight now. } else { $newwidth = floor( $width * $maxHeight / $height ); $height = round( $height * $newwidth / $width ); $width = $newwidth; # Note that $height <= $maxHeight now, but might not be identical # because of rounding. } $msgbig = wfMsgHtml( 'show-big-image' ); $otherSizes = array(); foreach ( $wgImageLimits as $size ) { if ( $size[0] < $width_orig && $size[1] < $height_orig && $size[0] != $width && $size[1] != $height ) { $otherSizes[] = $this->makeSizeLink( $params, $size[0], $size[1] ); } } $msgsmall = wfMessage( 'show-big-image-preview' )-> rawParams( $this->makeSizeLink( $params, $width, $height ) )-> parse(); if ( count( $otherSizes ) && $this->displayImg->getRepo()->canTransformVia404() ) { $msgsmall .= ' ' . Html::rawElement( 'span', array( 'class' => 'mw-filepage-other-resolutions' ), wfMessage( 'show-big-image-other' )->rawParams( $wgLang->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 = ''; } 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 ); $showLink = true; $anchorclose = Html::rawElement( 'div', array( 'class' => 'mw-filepage-resolutioninfo' ), $msgsmall ); $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1; if ( $isMulti ) { $wgOut->addHTML( '<table class="multipageimage"><tr><td>' ); } if ( $thumbnail ) { $options = array( 'alt' => $this->displayImg->getTitle()->getPrefixedText(), 'file-link' => true, ); $wgOut->addHTML( '<div class="fullImageLink" id="file">' . $thumbnail->toHtml( $options ) . $anchorclose . "</div>\n" ); } if ( $isMulti ) { $count = $this->displayImg->pageCount(); if ( $page > 1 ) { $label = $wgOut->parse( wfMsg( 'imgmultipageprev' ), false ); $link = Linker::link( $this->getTitle(), $label, array(), array( 'page' => $page - 1 ), array( 'known', 'noclasses' ) ); $thumb1 = Linker::makeThumbLinkObj( $this->getTitle(), $this->displayImg, $link, $label, 'none', array( 'page' => $page - 1 ) ); } else { $thumb1 = ''; } if ( $page < $count ) { $label = wfMsg( 'imgmultipagenext' ); $link = Linker::link( $this->getTitle(), $label, array(), array( 'page' => $page + 1 ), array( 'known', 'noclasses' ) ); $thumb2 = Linker::makeThumbLinkObj( $this->getTitle(), $this->displayImg, $link, $label, 'none', array( 'page' => $page + 1 ) ); } else { $thumb2 = ''; } global $wgScript; $formParams = array( 'name' => 'pageselector', 'action' => $wgScript, 'onchange' => 'document.pageselector.submit();', ); $options = array(); for ( $i = 1; $i <= $count; $i++ ) { $options[] = Xml::option( $wgLang->formatNum( $i ), $i, $i == $page ); } $select = Xml::tags( 'select', array( 'id' => 'pageselector', 'name' => 'page' ), implode( "\n", $options ) ); $wgOut->addHTML( '</td><td><div class="multipageimagenavbox">' . Xml::openElement( 'form', $formParams ) . Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) . wfMsgExt( 'imgmultigoto', array( 'parseinline', 'replaceafter' ), $select ) . Xml::submitButton( wfMsg( 'imgmultigo' ) ) . Xml::closeElement( 'form' ) . "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>" ); } } else { # if direct link is allowed but it's not a renderable image, show an icon. if ( $this->displayImg->isSafeFile() ) { $icon = $this->displayImg->iconThumb(); $wgOut->addHTML( '<div class="fullImageLink" id="file">' . $icon->toHtml( array( 'file-link' => true ) ) . "</div>\n" ); } $showLink = true; } if ( $showLink ) { $filename = wfEscapeWikiText( $this->displayImg->getName() ); $linktext = $filename; if ( isset( $msgbig ) ) { $linktext = wfEscapeWikiText( $msgbig ); } $medialink = "[[Media:$filename|$linktext]]"; if ( !$this->displayImg->isSafeFile() ) { $warning = wfMsgNoTrans( 'mediawarning' ); $wgOut->addWikiText( <<<EOT <div class="fullMedia"><span class="dangerousLink">{$medialink}</span>$dirmark <span class="fileInfo">$longDesc</span></div> <div class="mediaWarning">$warning</div> EOT ); } else { $wgOut->addWikiText( <<<EOT <div class="fullMedia">{$medialink}{$dirmark} <span class="fileInfo">$longDesc</span> </div> EOT ); } } if ( !$this->displayImg->isLocal() ) { $this->printSharedImageText(); } } else { # Image does not exist if ( $wgEnableUploads && $wgUser->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 overriden // by Article::View(). $wgOut->setRobotPolicy( 'noindex,nofollow' ); $wgOut->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile ); if ( !$this->getID() && $wgSend404Code ) { // If there is no image, no shared image, and no description page, // output a 404, to be consistent with articles. $wgRequest->response()->header( 'HTTP/1.1 404 Not Found' ); } } $wgOut->setFileVersion( $this->displayImg ); } /** * Creates an thumbnail of specified size and returns an HTML link to it * @param $params array 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() { global $wgOut; $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 ) { $wgOut->addLink( array( 'rel' => 'canonical', 'href' => $descUrl ) ); } $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n"; $repo = $this->mPage->getFile()->getRepo()->getDisplayName(); if ( $descUrl && $descText && wfMsgNoTrans( 'sharedupload-desc-here' ) !== '-' ) { $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) ); } elseif ( $descUrl && wfMsgNoTrans( 'sharedupload-desc-there' ) !== '-' ) { $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) ); } else { $wgOut->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 $wgUser, $wgOut, $wgEnableUploads, $wgUseExternalEditor; if ( !$wgEnableUploads ) { return; } $this->loadFile(); if ( !$this->mPage->getFile()->isLocal() ) { return; } $wgOut->addHTML( "<br /><ul>\n" ); # "Upload a new version of this file" link if ( UploadBase::userCanReUpload( $wgUser, $this->mPage->getFile()->name ) ) { $ulink = Linker::makeExternalLink( $this->getUploadUrl(), wfMsg( 'uploadnewversion-linktext' ) ); $wgOut->addHTML( "<li id=\"mw-imagepage-reupload-link\"><div class=\"plainlinks\">{$ulink}</div></li>\n" ); } # External editing link if ( $wgUseExternalEditor ) { $elink = Linker::link( $this->getTitle(), wfMsgHtml( 'edit-externally' ), array(), array( 'action' => 'edit', 'externaledit' => 'true', 'mode' => 'file' ), array( 'known', 'noclasses' ) ); $wgOut->addHTML( '<li id="mw-imagepage-edit-external">' . $elink . ' <small>' . wfMsgExt( 'edit-externally-help', array( 'parseinline' ) ) . "</small></li>\n" ); } $wgOut->addHTML( "</ul>\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() { global $wgOut; $this->loadFile(); $pager = new ImageHistoryPseudoPager( $this ); $wgOut->addHTML( $pager->getBody() ); $wgOut->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() { global $wgOut, $wgLang; $limit = 100; $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 ) { $wgOut->wrapWikiMsg( Html::rawElement( 'div', array( 'id' => 'mw-imagepage-nolinkstoimage' ), "\n$1\n" ), 'nolinkstoimage' ); return; } $wgOut->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" ); if ( !$hasMore ) { $wgOut->addWikiMsg( 'linkstoimage', $count ); } else { // More links than the limit. Add a link to [[Special:Whatlinkshere]] $wgOut->addWikiMsg( 'linkstoimage-more', $wgLang->formatNum( $limit ), $this->getTitle()->getPrefixedDBkey() ); } $wgOut->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; } $link = Linker::linkKnown( Title::makeTitle( $element->page_namespace, $element->page_title ) ); if ( !isset( $redirects[$element->page_title] ) ) { $liContents = $link; } else { $ul = "<ul class='mw-imagepage-redirectstofile'>\n"; foreach ( $redirects[$element->page_title] as $row ) { $currentCount++; if ( $currentCount > $limit ) { break; } $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) ); $ul .= Html::rawElement( 'li', array( 'id' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ), $link2 ) . "\n"; } $ul .= '</ul>'; $liContents = wfMessage( 'linkstoimage-redirect' )->rawParams( $link, $ul )->parse(); } $wgOut->addHTML( Html::rawElement( 'li', array( 'id' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ), $liContents ) . "\n" ); }; $wgOut->addHTML( Html::closeElement( 'ul' ) . "\n" ); $res->free(); // Add a links to [[Special:Whatlinkshere]] if ( $count > $limit ) { $wgOut->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() ); } $wgOut->addHTML( Html::closeElement( 'div' ) . "\n" ); } protected function imageDupes() { global $wgOut, $wgLang; $this->loadFile(); $dupes = $this->mPage->getDuplicates(); if ( count( $dupes ) == 0 ) { return; } $wgOut->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" ); $wgOut->addWikiMsg( 'duplicatesoffile', $wgLang->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey() ); $wgOut->addHTML( "<ul class='mw-imagepage-duplicates'>\n" ); /** * @var $file File */ foreach ( $dupes as $file ) { $fromSrc = ''; if ( $file->isLocal() ) { $link = Linker::link( $file->getTitle(), null, array(), array(), array( 'known', 'noclasses' ) ); } else { $link = Linker::makeExternalLink( $file->getDescriptionUrl(), $file->getTitle()->getPrefixedText() ); $fromSrc = wfMsg( 'shared-repo-from', $file->getRepo()->getDisplayName() ); } $wgOut->addHTML( "<li>{$link} {$fromSrc}</li>\n" ); } $wgOut->addHTML( "</ul></div>\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 ) { global $wgOut; $wgOut->setPageTitle( wfMessage( 'internalerror' ) ); $wgOut->setRobotPolicy( 'noindex,nofollow' ); $wgOut->setArticleRelated( false ); $wgOut->enableClientCache( false ); $wgOut->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; } } } /** * Builds the image revision log shown on image pages * * @ingroup Media */ class ImageHistoryList { /** * @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(); } /** * @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 = '' ) { global $wgOut, $wgUser; return Xml::element( 'h2', array( 'id' => 'filehistory' ), wfMsg( 'filehist' ) ) . "\n" . "<div id=\"mw-imagepage-section-filehistory\">\n" . $wgOut->parse( wfMsgNoTrans( 'filehist-help' ) ) . $navLinks . "\n" . Xml::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n" . '<tr><td></td>' . ( $this->current->isLocal() && ( $wgUser->isAllowedAny( 'delete', 'deletedhistory' ) ) ? '<td></td>' : '' ) . '<th>' . wfMsgHtml( 'filehist-datetime' ) . '</th>' . ( $this->showThumb ? '<th>' . wfMsgHtml( 'filehist-thumb' ) . '</th>' : '' ) . '<th>' . wfMsgHtml( 'filehist-dimensions' ) . '</th>' . '<th>' . wfMsgHtml( 'filehist-user' ) . '</th>' . '<th>' . wfMsgHtml( 'filehist-comment' ) . '</th>' . "</tr>\n"; } /** * @param $navLinks string * @return string */ public function endImageHistoryList( $navLinks = '' ) { return "</table>\n$navLinks\n</div>\n"; } /** * @param $iscur * @param $file File * @return string */ public function imageHistoryLine( $iscur, $file ) { global $wgUser, $wgLang, $wgContLang; $timestamp = wfTimestamp( TS_MW, $file->getTimestamp() ); $img = $iscur ? $file->getName() : $file->getArchiveName(); $user = $file->getUser( 'id' ); $usertext = $file->getUser( 'text' ); $description = $file->getDescription(); $local = $this->current->isLocal(); $row = $selected = ''; // Deletion link if ( $local && ( $wgUser->isAllowedAny( 'delete', 'deletedhistory' ) ) ) { $row .= '<td>'; # Link to remove from history if ( $wgUser->isAllowed( 'delete' ) ) { $q = array( 'action' => 'delete' ); if ( !$iscur ) { $q['oldimage'] = $img; } $row .= Linker::link( $this->title, wfMsgHtml( $iscur ? 'filehist-deleteall' : 'filehist-deleteone' ), array(), $q, array( 'known' ) ); } # Link to hide content. Don't show useless link to people who cannot hide revisions. $canHide = $wgUser->isAllowed( 'deleterevision' ); if ( $canHide || ( $wgUser->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) { if ( $wgUser->isAllowed( 'delete' ) ) { $row .= '<br />'; } // If file is top revision or locked from this user, don't link if ( $iscur || !$file->userCan( File::DELETED_RESTRICTED ) ) { $del = Linker::revDeleteLinkDisabled( $canHide ); } else { list( $ts, $name ) = 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 .= '</td>'; } // Reversion link/current indicator $row .= '<td>'; if ( $iscur ) { $row .= wfMsgHtml( 'filehist-current' ); } elseif ( $local && $wgUser->isLoggedIn() && $this->title->userCan( 'edit' ) ) { if ( $file->isDeleted( File::DELETED_FILE ) ) { $row .= wfMsgHtml( 'filehist-revert' ); } else { $row .= Linker::link( $this->title, wfMsgHtml( 'filehist-revert' ), array(), array( 'action' => 'revert', 'oldimage' => $img, 'wpEditToken' => $wgUser->getEditToken( $img ) ), array( 'known', 'noclasses' ) ); } } $row .= '</td>'; // Date/time and image link if ( $file->getTimestamp() === $this->img->getTimestamp() ) { $selected = "class='filehistory-selected'"; } $row .= "<td $selected style='white-space: nowrap;'>"; if ( !$file->userCan( File::DELETED_FILE ) ) { # Don't link to unviewable files $row .= '<span class="history-deleted">' . $wgLang->timeanddate( $timestamp, true ) . '</span>'; } elseif ( $file->isDeleted( File::DELETED_FILE ) ) { if ( $local ) { $this->preventClickjacking(); $revdel = SpecialPage::getTitleFor( 'Revisiondelete' ); # Make a link to review the image $url = Linker::link( $revdel, $wgLang->timeanddate( $timestamp, true ), array(), array( 'target' => $this->title->getPrefixedText(), 'file' => $img, 'token' => $wgUser->getEditToken( $img ) ), array( 'known', 'noclasses' ) ); } else { $url = $wgLang->timeanddate( $timestamp, true ); } $row .= '<span class="history-deleted">' . $url . '</span>'; } else { $url = $iscur ? $this->current->getUrl() : $this->current->getArchiveUrl( $img ); $row .= Xml::element( 'a', array( 'href' => $url ), $wgLang->timeanddate( $timestamp, true ) ); } $row .= "</td>"; // Thumbnail if ( $this->showThumb ) { $row .= '<td>' . $this->getThumbForLine( $file ) . '</td>'; } // Image dimensions + size $row .= '<td>'; $row .= htmlspecialchars( $file->getDimensionsString() ); $row .= ' <span style="white-space: nowrap;">(' . Linker::formatSize( $file->getSize() ) . ')</span>'; $row .= '</td>'; // Uploading user $row .= '<td>'; // Hide deleted usernames if ( $file->isDeleted( File::DELETED_USER ) ) { $row .= '<span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>'; } else { if ( $local ) { $row .= Linker::userLink( $user, $usertext ) . ' <span style="white-space: nowrap;">' . Linker::userToolLinks( $user, $usertext ) . '</span>'; } else { $row .= htmlspecialchars( $usertext ); } } $row .= '</td>'; // Don't show deleted descriptions if ( $file->isDeleted( File::DELETED_COMMENT ) ) { $row .= '<td><span class="history-deleted">' . wfMsgHtml( 'rev-deleted-comment' ) . '</span></td>'; } else { $row .= '<td dir="' . $wgContLang->getDir() . '">' . Linker::formatComment( $description, $this->title ) . '</td>'; } $rowClass = null; wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) ); $classAttr = $rowClass ? " class='$rowClass'" : ''; return "<tr{$classAttr}>{$row}</tr>\n"; } /** * @param $file File * @return string */ protected function getThumbForLine( $file ) { global $wgLang; if ( $file->allowInlineDisplay() && $file->userCan( File::DELETED_FILE ) && !$file->isDeleted( File::DELETED_FILE ) ) { $params = array( 'width' => '120', 'height' => '120', ); $timestamp = wfTimestamp( TS_MW, $file->getTimestamp() ); $thumbnail = $file->transform( $params ); $options = array( 'alt' => wfMsg( 'filehist-thumbtext', $wgLang->timeanddate( $timestamp, true ), $wgLang->date( $timestamp, true ), $wgLang->time( $timestamp, true ) ), 'file-link' => true, ); if ( !$thumbnail ) { return wfMsgHtml( 'filehist-nothumb' ); } return $thumbnail->toHtml( $options ); } else { return wfMsgHtml( 'filehist-nothumb' ); } } /** * @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(); $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 ''; } /** * @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; } }
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