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;
65 $diff = $wgRequest->getVal( 'diff' );
66 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
68 if ( $this->mTitle
->getNamespace() != NS_FILE ||
( isset( $diff ) && $diffOnly ) ) {
69 return Article
::view();
74 if ( $this->mTitle
->getNamespace() == NS_FILE
&& $this->img
->getRedirected() ) {
75 if ( $this->mTitle
->getDBkey() == $this->img
->getName() ||
isset( $diff ) ) {
76 // mTitle is the same as the redirect target so ask Article
77 // to perform the redirect for us.
78 $wgRequest->setVal( 'diffonly', 'true' );
79 return Article
::view();
81 // mTitle is not the same as the redirect target so it is
82 // probably the redirect page itself. Fake the redirect symbol
83 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
84 $wgOut->addHTML( $this->viewRedirect( Title
::makeTitle( NS_FILE
, $this->img
->getName() ),
85 /* $appendSubtitle */ true, /* $forceKnown */ true ) );
91 $this->showRedirectedFromHeader();
93 if ( $wgShowEXIF && $this->displayImg
->exists() ) {
94 // FIXME: bad interface, see note on MediaHandler::formatMetadata().
95 $formattedMetadata = $this->displayImg
->formatMetadata();
96 $showmeta = $formattedMetadata !== false;
101 if ( !$diff && $this->displayImg
->exists() )
102 $wgOut->addHTML( $this->showTOC( $showmeta ) );
105 $this->openShowImage();
107 # No need to display noarticletext, we use our own message, output in openShowImage()
108 if ( $this->getID() ) {
111 # Just need to set the right headers
112 $wgOut->setArticleFlag( true );
113 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
114 $this->viewUpdates();
117 # Show shared description, if needed
118 if ( $this->mExtraDescription
) {
119 $fol = wfMsgNoTrans( 'shareddescriptionfollows' );
120 if ( $fol != '-' && !wfEmptyMsg( 'shareddescriptionfollows', $fol ) ) {
121 $wgOut->addWikiText( $fol );
123 $wgOut->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription
. "</div>\n" );
126 $this->closeShowImage();
127 $this->imageHistory();
128 // TODO: Cleanup the following
130 $wgOut->addHTML( Xml
::element( 'h2',
131 array( 'id' => 'filelinks' ),
132 wfMsg( 'imagelinks' ) ) . "\n" );
134 # TODO! FIXME! For some freaky reason, we can't redirect to foreign images.
135 # Yet we return metadata about the target. Definitely an issue in the FileRepo
136 $this->imageRedirects();
139 # Allow extensions to add something after the image links
141 wfRunHooks( 'ImagePageAfterImageLinks', array( $this, &$html ) );
143 $wgOut->addHTML( $html );
146 global $wgStylePath, $wgStyleVersion;
147 $expand = htmlspecialchars( Xml
::escapeJsString( wfMsg( 'metadata-expand' ) ) );
148 $collapse = htmlspecialchars( Xml
::escapeJsString( wfMsg( 'metadata-collapse' ) ) );
149 $wgOut->addHTML( Xml
::element( 'h2', array( 'id' => 'metadata' ), wfMsg( 'metadata' ) ) . "\n" );
150 $wgOut->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
151 $wgOut->addScriptFile( 'metadata.js' );
153 "<script type=\"text/javascript\">attachMetadataToggle('mw_metadata', '$expand', '$collapse');</script>\n" );
157 public function getRedirectTarget() {
159 if ( $this->img
->isLocal() ) {
160 return parent
::getRedirectTarget();
162 // Foreign image page
163 $from = $this->img
->getRedirected();
164 $to = $this->img
->getName();
165 if ( $from == $to ) {
168 return $this->mRedirectTarget
= Title
::makeTitle( NS_FILE
, $to );
170 public function followRedirect() {
172 if ( $this->img
->isLocal() ) {
173 return parent
::followRedirect();
175 $from = $this->img
->getRedirected();
176 $to = $this->img
->getName();
177 if ( $from == $to ) {
180 return Title
::makeTitle( NS_FILE
, $to );
182 public function isRedirect( $text = false ) {
184 if ( $this->img
->isLocal() )
185 return parent
::isRedirect( $text );
187 return (bool)$this->img
->getRedirected();
190 public function isLocal() {
192 return $this->img
->isLocal();
195 public function getFile() {
200 public function getDisplayedFile() {
202 return $this->displayImg
;
205 public function getDuplicates() {
207 if ( !is_null( $this->dupes
) ) {
210 if ( !( $hash = $this->img
->getSha1() ) ) {
211 return $this->dupes
= array();
213 $dupes = RepoGroup
::singleton()->findBySha1( $hash );
214 // Remove duplicates with self and non matching file sizes
215 $self = $this->img
->getRepoName() . ':' . $this->img
->getName();
216 $size = $this->img
->getSize();
217 foreach ( $dupes as $index => $file ) {
218 $key = $file->getRepoName() . ':' . $file->getName();
220 unset( $dupes[$index] );
221 if ( $file->getSize() != $size )
222 unset( $dupes[$index] );
224 return $this->dupes
= $dupes;
232 * @param bool $metadata Whether or not to show the metadata link
235 protected function showTOC( $metadata ) {
237 '<li><a href="#file">' . wfMsgHtml( 'file-anchor-link' ) . '</a></li>',
238 '<li><a href="#filehistory">' . wfMsgHtml( 'filehist' ) . '</a></li>',
239 '<li><a href="#filelinks">' . wfMsgHtml( 'imagelinks' ) . '</a></li>',
242 $r[] = '<li><a href="#metadata">' . wfMsgHtml( 'metadata' ) . '</a></li>';
245 wfRunHooks( 'ImagePageShowTOC', array( $this, &$r ) );
247 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
251 * Make a table with metadata to be shown in the output page.
253 * FIXME: bad interface, see note on MediaHandler::formatMetadata().
255 * @param array $exif The array containing the EXIF data
258 protected function makeMetadataTable( $metadata ) {
259 $r = "<div class=\"mw-imagepage-section-metadata\">";
260 $r .= wfMsgNoTrans( 'metadata-help' );
261 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
262 foreach ( $metadata as $type => $stuff ) {
263 foreach ( $stuff as $v ) {
264 # FIXME, why is this using escapeId for a class?!
265 $class = Sanitizer
::escapeId( $v['id'] );
266 if ( $type == 'collapsed' ) {
267 $class .= ' collapsable';
269 $r .= "<tr class=\"$class\">\n";
270 $r .= "<th>{$v['name']}</th>\n";
271 $r .= "<td>{$v['value']}</td>\n</tr>";
274 $r .= "</table>\n</div>\n";
279 * Overloading Article's getContent method.
281 * Omit noarticletext if sharedupload; text will be fetched from the
282 * shared upload server if possible.
284 public function getContent() {
286 if ( $this->img
&& !$this->img
->isLocal() && 0 == $this->getID() ) {
289 return Article
::getContent();
292 protected function openShowImage() {
293 global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
294 $wgLang, $wgContLang, $wgEnableUploads;
298 $full_url = $this->displayImg
->getURL();
299 $linkAttribs = false;
300 $sizeSel = intval( $wgUser->getOption( 'imagesize' ) );
301 if ( !isset( $wgImageLimits[$sizeSel] ) ) {
302 $sizeSel = User
::getDefaultOption( 'imagesize' );
304 // The user offset might still be incorrect, specially if
305 // $wgImageLimits got changed (see bug #8858).
306 if ( !isset( $wgImageLimits[$sizeSel] ) ) {
307 // Default to the first offset in $wgImageLimits
311 $max = $wgImageLimits[$sizeSel];
313 $maxHeight = $max[1];
314 $sk = $wgUser->getSkin();
315 $dirmark = $wgContLang->getDirMark();
317 if ( $this->displayImg
->exists() ) {
319 $page = $wgRequest->getIntOrNull( 'page' );
320 if ( is_null( $page ) ) {
324 $params = array( 'page' => $page );
326 $width_orig = $this->displayImg
->getWidth();
327 $width = $width_orig;
328 $height_orig = $this->displayImg
->getHeight();
329 $height = $height_orig;
330 $mime = $this->displayImg
->getMimeType();
332 $linkAttribs = array( 'href' => $full_url );
333 $longDesc = $this->displayImg
->getLongDesc();
335 wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$wgOut ) );
337 if ( $this->displayImg
->allowInlineDisplay() ) {
340 # "Download high res version" link below the image
341 # $msgsize = wfMsgHtml('file-info-size', $width_orig, $height_orig, $sk->formatSize( $this->displayImg->getSize() ), $mime );
342 # We'll show a thumbnail of this image
343 if ( $width > $maxWidth ||
$height > $maxHeight ) {
344 # Calculate the thumbnail size.
345 # First case, the limiting factor is the width, not the height.
346 if ( $width / $height >= $maxWidth / $maxHeight ) {
347 $height = round( $height * $maxWidth / $width );
349 # Note that $height <= $maxHeight now.
351 $newwidth = floor( $width * $maxHeight / $height );
352 $height = round( $height * $newwidth / $width );
354 # Note that $height <= $maxHeight now, but might not be identical
355 # because of rounding.
357 $msgbig = wfMsgHtml( 'show-big-image' );
358 $msgsmall = wfMsgExt( 'show-big-image-thumb', 'parseinline',
359 $wgLang->formatNum( $width ),
360 $wgLang->formatNum( $height )
363 # Image is small enough to show full size on image page
364 $msgbig = htmlspecialchars( $this->displayImg
->getName() );
365 $msgsmall = wfMsgExt( 'file-nohires', array( 'parseinline' ) );
368 $params['width'] = $width;
369 $thumbnail = $this->displayImg
->transform( $params );
371 $anchorclose = "<br />";
372 if ( $this->displayImg
->mustRender() ) {
377 '<br />' . Xml
::tags( 'a', $linkAttribs, $msgbig ) . "$dirmark " . $longDesc;
380 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
382 $wgOut->addHTML( '<table class="multipageimage"><tr><td>' );
387 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
390 $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
391 $thumbnail->toHtml( $options ) .
392 $anchorclose . "</div>\n" );
396 $count = $this->displayImg
->pageCount();
399 $label = $wgOut->parse( wfMsg( 'imgmultipageprev' ), false );
404 array( 'page' => $page - 1 ),
405 array( 'known', 'noclasses' )
407 $thumb1 = $sk->makeThumbLinkObj( $this->mTitle
, $this->displayImg
, $link, $label, 'none',
408 array( 'page' => $page - 1 ) );
413 if ( $page < $count ) {
414 $label = wfMsg( 'imgmultipagenext' );
419 array( 'page' => $page +
1 ),
420 array( 'known', 'noclasses' )
422 $thumb2 = $sk->makeThumbLinkObj( $this->mTitle
, $this->displayImg
, $link, $label, 'none',
423 array( 'page' => $page +
1 ) );
431 'name' => 'pageselector',
432 'action' => $wgScript,
433 'onchange' => 'document.pageselector.submit();',
437 for ( $i = 1; $i <= $count; $i++
) {
438 $options[] = Xml
::option( $wgLang->formatNum( $i ), $i, $i == $page );
440 $select = Xml
::tags( 'select',
441 array( 'id' => 'pageselector', 'name' => 'page' ),
442 implode( "\n", $options ) );
445 '</td><td><div class="multipageimagenavbox">' .
446 Xml
::openElement( 'form', $formParams ) .
447 Xml
::hidden( 'title', $this->getTitle()->getPrefixedDbKey() ) .
448 wfMsgExt( 'imgmultigoto', array( 'parseinline', 'replaceafter' ), $select ) .
449 Xml
::submitButton( wfMsg( 'imgmultigo' ) ) .
450 Xml
::closeElement( 'form' ) .
451 "<hr />$thumb1\n$thumb2<br clear=\"all\" /></div></td></tr></table>"
455 # if direct link is allowed but it's not a renderable image, show an icon.
456 if ( $this->displayImg
->isSafeFile() ) {
457 $icon = $this->displayImg
->iconThumb();
459 $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
460 $icon->toHtml( array( 'file-link' => true ) ) .
469 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
470 $medialink = "[[Media:$filename|$filename]]";
472 if ( !$this->displayImg
->isSafeFile() ) {
473 $warning = wfMsgNoTrans( 'mediawarning' );
474 $wgOut->addWikiText( <<<EOT
475 <div class="fullMedia">
476 <span class="dangerousLink">{$medialink}</span>$dirmark
477 <span class="fileInfo">$longDesc</span>
479 <div class="mediaWarning">$warning</div>
483 $wgOut->addWikiText( <<<EOT
484 <div class="fullMedia">
485 {$medialink}{$dirmark}
486 <span class="fileInfo">$longDesc</span>
493 if ( !$this->displayImg
->isLocal() ) {
494 $this->printSharedImageText();
497 # Image does not exist
498 if ( $wgEnableUploads && $wgUser->isAllowed( 'upload' ) ) {
499 // Only show an upload link if the user can upload
500 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
502 'filepage-nofile-link',
503 $uploadTitle->getFullUrl( array( 'wpDestFile' => $this->img
->getName() ) )
508 $nofile = 'filepage-nofile';
510 $wgOut->setRobotPolicy( 'noindex,nofollow' );
511 $wgOut->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
516 * Show a notice that the file is from a shared repository
518 protected function printSharedImageText() {
523 $descUrl = $this->img
->getDescriptionUrl();
524 $descText = $this->img
->getDescriptionText();
526 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
527 $repo = $this->img
->getRepo()->getDisplayName();
530 if ( $descUrl && $descText && wfMsgNoTrans( 'sharedupload-desc-here' ) !== '-' ) {
531 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) );
532 } elseif ( $descUrl && wfMsgNoTrans( 'sharedupload-desc-there' ) !== '-' ) {
533 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) );
535 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload', $repo ), ''/*BACKCOMPAT*/ );
539 $this->mExtraDescription
= $descText;
543 public function getUploadUrl() {
545 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
546 return $uploadTitle->getFullUrl( array(
547 'wpDestFile' => $this->img
->getName(),
553 * Print out the various links at the bottom of the image page, e.g. reupload,
554 * external editing (and instructions link) etc.
556 protected function uploadLinksBox() {
557 global $wgUser, $wgOut, $wgEnableUploads, $wgUseExternalEditor;
559 if ( !$wgEnableUploads ) { return; }
562 if ( !$this->img
->isLocal() )
565 $sk = $wgUser->getSkin();
567 $wgOut->addHTML( "<br /><ul>\n" );
569 # "Upload a new version of this file" link
570 if ( UploadBase
::userCanReUpload( $wgUser, $this->img
->name
) ) {
571 $ulink = $sk->makeExternalLink( $this->getUploadUrl(), wfMsg( 'uploadnewversion-linktext' ) );
572 $wgOut->addHTML( "<li id=\"mw-imagepage-reupload-link\"><div class=\"plainlinks\">{$ulink}</div></li>\n" );
575 # External editing link
576 if ( $wgUseExternalEditor ) {
579 wfMsgHtml( 'edit-externally' ),
583 'externaledit' => 'true',
586 array( 'known', 'noclasses' )
588 $wgOut->addHTML( '<li id="mw-imagepage-edit-external">' . $elink . ' <small>' . wfMsgExt( 'edit-externally-help', array( 'parseinline' ) ) . "</small></li>\n" );
591 $wgOut->addHTML( "</ul>\n" );
594 protected function closeShowImage() { } # For overloading
597 * If the page we've just displayed is in the "Image" namespace,
598 * we follow it with an upload history of the image and its usage.
600 protected function imageHistory() {
604 $pager = new ImageHistoryPseudoPager( $this );
605 $wgOut->addHTML( $pager->getBody() );
607 $this->img
->resetHistory(); // free db resources
609 # Exist check because we don't want to show this on pages where an image
610 # doesn't exist along with the noimage message, that would suck. -ævar
611 if ( $this->img
->exists() ) {
612 $this->uploadLinksBox();
616 protected function imageLinks() {
617 global $wgUser, $wgOut, $wgLang;
621 $dbr = wfGetDB( DB_SLAVE
);
624 array( 'imagelinks', 'page' ),
625 array( 'page_namespace', 'page_title' ),
626 array( 'il_to' => $this->mTitle
->getDBkey(), 'il_from = page_id' ),
628 array( 'LIMIT' => $limit +
1 )
630 $count = $dbr->numRows( $res );
632 $wgOut->addHTML( Html
::rawElement( 'div', array ( 'id' => 'mw-imagepage-nolinkstoimage' ),
633 wfMsg( 'nolinkstoimage' ) ) ) . "\n";
637 $wgOut->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
638 if ( $count <= $limit - 1 ) {
639 $wgOut->addWikiMsg( 'linkstoimage', $count );
641 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
642 $wgOut->addWikiMsg( 'linkstoimage-more',
643 $wgLang->formatNum( $limit ),
644 $this->mTitle
->getPrefixedDBkey()
648 $wgOut->addHTML( Html
::openElement( 'ul', array( 'class' => 'mw-imagepage-linkstoimage' ) ) . "\n" );
649 $sk = $wgUser->getSkin();
652 while ( $s = $res->fetchObject() ) {
654 if ( $count <= $limit ) {
655 // We have not yet reached the extra one that tells us there is more to fetch
660 // Sort the list by namespace:title
661 usort ( $elements, array( $this, 'compare' ) );
663 // Create links for every element
664 foreach( $elements as $element ) {
666 Title
::makeTitle( $element->page_namespace
, $element->page_title
),
670 array( 'known', 'noclasses' )
672 $wgOut->addHTML( Html
::rawElement(
674 array( 'id' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
),
680 $wgOut->addHTML( Html
::closeElement( 'ul' ) . "\n" );
683 // Add a links to [[Special:Whatlinkshere]]
684 if ( $count > $limit ) {
685 $wgOut->addWikiMsg( 'morelinkstoimage', $this->mTitle
->getPrefixedDBkey() );
687 $wgOut->addHTML( Html
::closeElement( 'div' ) . "\n" );
690 protected function imageRedirects() {
691 global $wgUser, $wgOut, $wgLang;
693 $redirects = $this->getTitle()->getRedirectsHere( NS_FILE
);
694 if ( count( $redirects ) == 0 ) return;
696 $wgOut->addHTML( "<div id='mw-imagepage-section-redirectstofile'>\n" );
697 $wgOut->addWikiMsg( 'redirectstofile',
698 $wgLang->formatNum( count( $redirects ) )
700 $wgOut->addHTML( "<ul class='mw-imagepage-redirectstofile'>\n" );
702 $sk = $wgUser->getSkin();
703 foreach ( $redirects as $title ) {
708 array( 'redirect' => 'no' ),
709 array( 'known', 'noclasses' )
711 $wgOut->addHTML( "<li>{$link}</li>\n" );
713 $wgOut->addHTML( "</ul></div>\n" );
717 protected function imageDupes() {
718 global $wgOut, $wgUser, $wgLang;
722 $dupes = $this->getDuplicates();
723 if ( count( $dupes ) == 0 ) return;
725 $wgOut->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
726 $wgOut->addWikiMsg( 'duplicatesoffile',
727 $wgLang->formatNum( count( $dupes ) ), $this->mTitle
->getDBkey()
729 $wgOut->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
731 $sk = $wgUser->getSkin();
732 foreach ( $dupes as $file ) {
734 if ( $file->isLocal() ) {
740 array( 'known', 'noclasses' )
743 $link = $sk->makeExternalLink( $file->getDescriptionUrl(),
744 $file->getTitle()->getPrefixedText() );
745 $fromSrc = wfMsg( 'shared-repo-from', $file->getRepo()->getDisplayName() );
747 $wgOut->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
749 $wgOut->addHTML( "</ul></div>\n" );
753 * Delete the file, or an earlier version of it
755 public function delete() {
756 global $wgUploadMaintenance;
757 if ( $wgUploadMaintenance && $this->mTitle
&& $this->mTitle
->getNamespace() == NS_FILE
) {
759 $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n", array( 'filedelete-maintenance' ) );
764 if ( !$this->img
->exists() ||
!$this->img
->isLocal() ||
$this->img
->getRedirected() ) {
765 // Standard article deletion
769 $deleter = new FileDeleteForm( $this->img
);
774 * Revert the file to an earlier version
776 public function revert() {
778 $reverter = new FileRevertForm( $this->img
);
779 $reverter->execute();
783 * Override handling of action=purge
785 public function doPurge() {
787 if ( $this->img
->exists() ) {
788 wfDebug( "ImagePage::doPurge purging " . $this->img
->getName() . "\n" );
789 $update = new HTMLCacheUpdate( $this->mTitle
, 'imagelinks' );
791 $this->img
->upgradeRow();
792 $this->img
->purgeCache();
794 wfDebug( "ImagePage::doPurge no image for " . $this->img
->getName() . "; limiting purge to cache only\n" );
795 // even if the file supposedly doesn't exist, force any cached information
796 // to be updated (in case the cached information is wrong)
797 $this->img
->purgeCache();
803 * Display an error with a wikitext description
805 function showError( $description ) {
807 $wgOut->setPageTitle( wfMsg( "internalerror" ) );
808 $wgOut->setRobotPolicy( "noindex,nofollow" );
809 $wgOut->setArticleRelated( false );
810 $wgOut->enableClientCache( false );
811 $wgOut->addWikiText( $description );
816 * Callback for usort() to do link sorts by (namespace, title)
817 * Function copied from Title::compare()
819 * @param $a object page to compare with
820 * @param $b object page to compare with
821 * @return Integer: result of string comparison, or namespace comparison
823 protected function compare( $a, $b ) {
824 if ( $a->page_namespace
== $b->page_namespace
) {
825 return strcmp( $a->page_title
, $b->page_title
);
827 return $a->page_namespace
- $b->page_namespace
;
833 * Builds the image revision log shown on image pages
837 class ImageHistoryList
{
839 protected $imagePage, $img, $skin, $title, $repo, $showThumb;
841 public function __construct( $imagePage ) {
842 global $wgUser, $wgShowArchiveThumbnails;
843 $this->skin
= $wgUser->getSkin();
844 $this->current
= $imagePage->getFile();
845 $this->img
= $imagePage->getDisplayedFile();
846 $this->title
= $imagePage->getTitle();
847 $this->imagePage
= $imagePage;
848 $this->showThumb
= $wgShowArchiveThumbnails && $this->img
->canRender();
851 public function getImagePage() {
852 return $this->imagePage
;
855 public function getSkin() {
859 public function getFile() {
863 public function beginImageHistoryList( $navLinks = '' ) {
864 global $wgOut, $wgUser;
865 return Xml
::element( 'h2', array( 'id' => 'filehistory' ), wfMsg( 'filehist' ) ) . "\n"
866 . "<div id=\"mw-imagepage-section-filehistory\">\n"
867 . $wgOut->parse( wfMsgNoTrans( 'filehist-help' ) )
869 . Xml
::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n"
871 . ( $this->current
->isLocal() && ( $wgUser->isAllowed( 'delete' ) ||
$wgUser->isAllowed( 'deletedhistory' ) ) ?
'<td></td>' : '' )
872 . '<th>' . wfMsgHtml( 'filehist-datetime' ) . '</th>'
873 . ( $this->showThumb ?
'<th>' . wfMsgHtml( 'filehist-thumb' ) . '</th>' : '' )
874 . '<th>' . wfMsgHtml( 'filehist-dimensions' ) . '</th>'
875 . '<th>' . wfMsgHtml( 'filehist-user' ) . '</th>'
876 . '<th>' . wfMsgHtml( 'filehist-comment' ) . '</th>'
880 public function endImageHistoryList( $navLinks = '' ) {
881 return "</table>\n$navLinks\n</div>\n";
884 public function imageHistoryLine( $iscur, $file ) {
885 global $wgUser, $wgLang, $wgContLang;
887 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
888 $img = $iscur ?
$file->getName() : $file->getArchiveName();
889 $user = $file->getUser( 'id' );
890 $usertext = $file->getUser( 'text' );
891 $description = $file->getDescription();
893 $local = $this->current
->isLocal();
894 $row = $css = $selected = '';
897 if ( $local && ( $wgUser->isAllowed( 'delete' ) ||
$wgUser->isAllowed( 'deletedhistory' ) ) ) {
899 # Link to remove from history
900 if ( $wgUser->isAllowed( 'delete' ) ) {
901 $q = array( 'action' => 'delete' );
903 $q['oldimage'] = $img;
904 $row .= $this->skin
->link(
906 wfMsgHtml( $iscur ?
'filehist-deleteall' : 'filehist-deleteone' ),
907 array(), $q, array( 'known' )
910 # Link to hide content. Don't show useless link to people who cannot hide revisions.
911 $canHide = $wgUser->isAllowed( 'deleterevision' );
912 if ( $canHide ||
( $wgUser->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) {
913 if ( $wgUser->isAllowed( 'delete' ) ) {
916 // If file is top revision or locked from this user, don't link
917 if ( $iscur ||
!$file->userCan( File
::DELETED_RESTRICTED
) ) {
918 $del = $this->skin
->revDeleteLinkDisabled( $canHide );
920 list( $ts, $name ) = explode( '!', $img, 2 );
922 'type' => 'oldimage',
923 'target' => $this->title
->getPrefixedText(),
926 $del = $this->skin
->revDeleteLink( $query,
927 $file->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
934 // Reversion link/current indicator
937 $row .= wfMsgHtml( 'filehist-current' );
938 } elseif ( $local && $wgUser->isLoggedIn() && $this->title
->userCan( 'edit' ) ) {
939 if ( $file->isDeleted( File
::DELETED_FILE
) ) {
940 $row .= wfMsgHtml( 'filehist-revert' );
942 $row .= $this->skin
->link(
944 wfMsgHtml( 'filehist-revert' ),
947 'action' => 'revert',
949 'wpEditToken' => $wgUser->editToken( $img )
951 array( 'known', 'noclasses' )
957 // Date/time and image link
958 if ( $file->getTimestamp() === $this->img
->getTimestamp() ) {
959 $selected = "class='filehistory-selected'";
961 $row .= "<td $selected style='white-space: nowrap;'>";
962 if ( !$file->userCan( File
::DELETED_FILE
) ) {
963 # Don't link to unviewable files
964 $row .= '<span class="history-deleted">' . $wgLang->timeAndDate( $timestamp, true ) . '</span>';
965 } elseif ( $file->isDeleted( File
::DELETED_FILE
) ) {
966 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
967 # Make a link to review the image
968 $url = $this->skin
->link(
970 $wgLang->timeAndDate( $timestamp, true ),
973 'target' => $this->title
->getPrefixedText(),
975 'token' => $wgUser->editToken( $img )
977 array( 'known', 'noclasses' )
979 $row .= '<span class="history-deleted">' . $url . '</span>';
981 $url = $iscur ?
$this->current
->getUrl() : $this->current
->getArchiveUrl( $img );
982 $row .= Xml
::element( 'a', array( 'href' => $url ), $wgLang->timeAndDate( $timestamp, true ) );
987 if ( $this->showThumb
) {
988 $row .= '<td>' . $this->getThumbForLine( $file ) . '</td>';
991 // Image dimensions + size
993 $row .= htmlspecialchars( $file->getDimensionsString() );
994 $row .= " <span style='white-space: nowrap;'>(" . $this->skin
->formatSize( $file->getSize() ) . ')</span>';
1000 // Hide deleted usernames
1001 if ( $file->isDeleted( File
::DELETED_USER
) ) {
1002 $row .= '<span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
1004 $row .= $this->skin
->userLink( $user, $usertext ) . " <span style='white-space: nowrap;'>" .
1005 $this->skin
->userToolLinks( $user, $usertext ) . "</span>";
1008 $row .= htmlspecialchars( $usertext );
1010 $row .= '</td><td>';
1012 // Don't show deleted descriptions
1013 if ( $file->isDeleted( File
::DELETED_COMMENT
) ) {
1014 $row .= '<span class="history-deleted">' . wfMsgHtml( 'rev-deleted-comment' ) . '</span>';
1016 $row .= $this->skin
->commentBlock( $description, $this->title
);
1020 wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) );
1021 $classAttr = $rowClass ?
" class='$rowClass'" : "";
1023 return "<tr{$classAttr}>{$row}</tr>\n";
1026 protected function getThumbForLine( $file ) {
1029 if ( $file->allowInlineDisplay() && $file->userCan( File
::DELETED_FILE
) && !$file->isDeleted( File
::DELETED_FILE
) ) {
1034 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
1036 $thumbnail = $file->transform( $params );
1038 'alt' => wfMsg( 'filehist-thumbtext',
1039 $wgLang->timeAndDate( $timestamp, true ),
1040 $wgLang->date( $timestamp, true ),
1041 $wgLang->time( $timestamp, true ) ),
1042 'file-link' => true,
1045 if ( !$thumbnail ) return wfMsgHtml( 'filehist-nothumb' );
1047 return $thumbnail->toHtml( $options );
1049 return wfMsgHtml( 'filehist-nothumb' );
1054 class ImageHistoryPseudoPager
extends ReverseChronologicalPager
{
1055 function __construct( $imagePage ) {
1056 parent
::__construct();
1057 $this->mImagePage
= $imagePage;
1058 $this->mTitle
= clone ( $imagePage->getTitle() );
1059 $this->mTitle
->setFragment( '#filehistory' );
1061 $this->mHist
= array();
1062 $this->mRange
= array( 0, 0 ); // display range
1065 function getTitle() {
1066 return $this->mTitle
;
1069 function getQueryInfo() {
1073 function getIndexField() {
1077 function formatRow( $row ) {
1081 function getBody() {
1084 if ( count( $this->mHist
) ) {
1085 $list = new ImageHistoryList( $this->mImagePage
);
1086 # Generate prev/next links
1087 $navLink = $this->getNavigationBar();
1088 $s = $list->beginImageHistoryList( $navLink );
1089 // Skip rows there just for paging links
1090 for ( $i = $this->mRange
[0]; $i <= $this->mRange
[1]; $i++
) {
1091 $file = $this->mHist
[$i];
1092 $s .= $list->imageHistoryLine( !$file->isOld(), $file );
1094 $s .= $list->endImageHistoryList( $navLink );
1099 function doQuery() {
1100 if ( $this->mQueryDone
) return;
1101 $this->mImg
= $this->mImagePage
->getFile(); // ensure loading
1102 if ( !$this->mImg
->exists() ) {
1105 $queryLimit = $this->mLimit +
1; // limit plus extra row
1106 if ( $this->mIsBackwards
) {
1107 // Fetch the file history
1108 $this->mHist
= $this->mImg
->getHistory( $queryLimit, null, $this->mOffset
, false );
1109 // The current rev may not meet the offset/limit
1110 $numRows = count( $this->mHist
);
1111 if ( $numRows <= $this->mLimit
&& $this->mImg
->getTimestamp() > $this->mOffset
) {
1112 $this->mHist
= array_merge( array( $this->mImg
), $this->mHist
);
1115 // The current rev may not meet the offset
1116 if ( !$this->mOffset ||
$this->mImg
->getTimestamp() < $this->mOffset
) {
1117 $this->mHist
[] = $this->mImg
;
1119 // Old image versions (fetch extra row for nav links)
1120 $oiLimit = count( $this->mHist
) ?
$this->mLimit
: $this->mLimit +
1;
1121 // Fetch the file history
1122 $this->mHist
= array_merge( $this->mHist
,
1123 $this->mImg
->getHistory( $oiLimit, $this->mOffset
, null, false ) );
1125 $numRows = count( $this->mHist
); // Total number of query results
1127 # Index value of top item in the list
1128 $firstIndex = $this->mIsBackwards ?
1129 $this->mHist
[$numRows - 1]->getTimestamp() : $this->mHist
[0]->getTimestamp();
1130 # Discard the extra result row if there is one
1131 if ( $numRows > $this->mLimit
&& $numRows > 1 ) {
1132 if ( $this->mIsBackwards
) {
1133 # Index value of item past the index
1134 $this->mPastTheEndIndex
= $this->mHist
[0]->getTimestamp();
1135 # Index value of bottom item in the list
1136 $lastIndex = $this->mHist
[1]->getTimestamp();
1138 $this->mRange
= array( 1, $numRows - 1 );
1140 # Index value of item past the index
1141 $this->mPastTheEndIndex
= $this->mHist
[$numRows - 1]->getTimestamp();
1142 # Index value of bottom item in the list
1143 $lastIndex = $this->mHist
[$numRows - 2]->getTimestamp();
1145 $this->mRange
= array( 0, $numRows - 2 );
1148 # Setting indexes to an empty string means that they will be
1149 # omitted if they would otherwise appear in URLs. It just so
1150 # happens that this is the right thing to do in the standard
1151 # UI, in all the relevant cases.
1152 $this->mPastTheEndIndex
= '';
1153 # Index value of bottom item in the list
1154 $lastIndex = $this->mIsBackwards ?
1155 $this->mHist
[0]->getTimestamp() : $this->mHist
[$numRows - 1]->getTimestamp();
1157 $this->mRange
= array( 0, $numRows - 1 );
1162 $this->mPastTheEndIndex
= '';
1164 if ( $this->mIsBackwards
) {
1165 $this->mIsFirst
= ( $numRows < $queryLimit );
1166 $this->mIsLast
= ( $this->mOffset
== '' );
1167 $this->mLastShown
= $firstIndex;
1168 $this->mFirstShown
= $lastIndex;
1170 $this->mIsFirst
= ( $this->mOffset
== '' );
1171 $this->mIsLast
= ( $numRows < $queryLimit );
1172 $this->mLastShown
= $lastIndex;
1173 $this->mFirstShown
= $firstIndex;
1175 $this->mQueryDone
= true;