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 parent
::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 parent
::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 $wgOut->addHTML( Xml
::element( 'h2', array( 'id' => 'metadata' ), wfMsg( 'metadata' ) ) . "\n" );
147 $wgOut->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
148 $wgOut->addModules( array( 'mediawiki.legacy.metadata' ) );
151 $css = $this->repo
->getDescriptionStylesheetUrl();
153 $wgOut->addStyle( $css );
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 $metadata Boolean: 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 $metadata Array: 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 $sizeSel = intval( $wgUser->getOption( 'imagesize' ) );
300 if ( !isset( $wgImageLimits[$sizeSel] ) ) {
301 $sizeSel = User
::getDefaultOption( 'imagesize' );
303 // The user offset might still be incorrect, specially if
304 // $wgImageLimits got changed (see bug #8858).
305 if ( !isset( $wgImageLimits[$sizeSel] ) ) {
306 // Default to the first offset in $wgImageLimits
310 $max = $wgImageLimits[$sizeSel];
312 $maxHeight = $max[1];
313 $sk = $wgUser->getSkin();
314 $dirmark = $wgContLang->getDirMark();
316 if ( $this->displayImg
->exists() ) {
318 $page = $wgRequest->getIntOrNull( 'page' );
319 if ( is_null( $page ) ) {
323 $params = array( 'page' => $page );
325 $width_orig = $this->displayImg
->getWidth( $page );
326 $width = $width_orig;
327 $height_orig = $this->displayImg
->getHeight( $page );
328 $height = $height_orig;
331 $linkAttribs = array( 'href' => $full_url );
332 $longDesc = $this->displayImg
->getLongDesc();
334 wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$wgOut ) );
336 if ( $this->displayImg
->allowInlineDisplay() ) {
339 # "Download high res version" link below the image
340 # $msgsize = wfMsgHtml('file-info-size', $width_orig, $height_orig, $sk->formatSize( $this->displayImg->getSize() ), $mime );
341 # We'll show a thumbnail of this image
342 if ( $width > $maxWidth ||
$height > $maxHeight ) {
343 # Calculate the thumbnail size.
344 # First case, the limiting factor is the width, not the height.
345 if ( $width / $height >= $maxWidth / $maxHeight ) {
346 $height = round( $height * $maxWidth / $width );
348 # Note that $height <= $maxHeight now.
350 $newwidth = floor( $width * $maxHeight / $height );
351 $height = round( $height * $newwidth / $width );
353 # Note that $height <= $maxHeight now, but might not be identical
354 # because of rounding.
356 $msgbig = wfMsgHtml( 'show-big-image' );
357 $msgsmall = wfMsgExt( 'show-big-image-thumb', 'parseinline',
358 $wgLang->formatNum( $width ),
359 $wgLang->formatNum( $height )
362 # Image is small enough to show full size on image page
363 $msgsmall = wfMsgExt( 'file-nohires', array( 'parseinline' ) );
366 $params['width'] = $width;
367 $thumbnail = $this->displayImg
->transform( $params );
371 if ( !$this->displayImg
->mustRender() ) {
372 $anchorclose = "<br />" . $msgsmall;
375 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
377 $wgOut->addHTML( '<table class="multipageimage"><tr><td>' );
382 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
385 $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
386 $thumbnail->toHtml( $options ) .
387 $anchorclose . "</div>\n" );
391 $count = $this->displayImg
->pageCount();
394 $label = $wgOut->parse( wfMsg( 'imgmultipageprev' ), false );
399 array( 'page' => $page - 1 ),
400 array( 'known', 'noclasses' )
402 $thumb1 = $sk->makeThumbLinkObj( $this->mTitle
, $this->displayImg
, $link, $label, 'none',
403 array( 'page' => $page - 1 ) );
408 if ( $page < $count ) {
409 $label = wfMsg( 'imgmultipagenext' );
414 array( 'page' => $page +
1 ),
415 array( 'known', 'noclasses' )
417 $thumb2 = $sk->makeThumbLinkObj( $this->mTitle
, $this->displayImg
, $link, $label, 'none',
418 array( 'page' => $page +
1 ) );
426 'name' => 'pageselector',
427 'action' => $wgScript,
428 'onchange' => 'document.pageselector.submit();',
431 for ( $i = 1; $i <= $count; $i++
) {
432 $options[] = Xml
::option( $wgLang->formatNum( $i ), $i, $i == $page );
434 $select = Xml
::tags( 'select',
435 array( 'id' => 'pageselector', 'name' => 'page' ),
436 implode( "\n", $options ) );
439 '</td><td><div class="multipageimagenavbox">' .
440 Xml
::openElement( 'form', $formParams ) .
441 Html
::hidden( 'title', $this->getTitle()->getPrefixedDbKey() ) .
442 wfMsgExt( 'imgmultigoto', array( 'parseinline', 'replaceafter' ), $select ) .
443 Xml
::submitButton( wfMsg( 'imgmultigo' ) ) .
444 Xml
::closeElement( 'form' ) .
445 "<hr />$thumb1\n$thumb2<br clear=\"all\" /></div></td></tr></table>"
449 # if direct link is allowed but it's not a renderable image, show an icon.
450 if ( $this->displayImg
->isSafeFile() ) {
451 $icon = $this->displayImg
->iconThumb();
453 $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
454 $icon->toHtml( array( 'file-link' => true ) ) .
463 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
464 $linktext = $filename;
465 if ( isset( $msgbig ) ) {
466 $linktext = wfEscapeWikiText( $msgbig );
468 $medialink = "[[Media:$filename|$linktext]]";
470 if ( !$this->displayImg
->isSafeFile() ) {
471 $warning = wfMsgNoTrans( 'mediawarning' );
472 $wgOut->addWikiText( <<<EOT
473 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span>$dirmark <span class="fileInfo">$longDesc</span></div>
474 <div class="mediaWarning">$warning</div>
478 $wgOut->addWikiText( <<<EOT
479 <div class="fullMedia">{$medialink}{$dirmark} <span class="fileInfo">$longDesc</span>
486 if ( !$this->displayImg
->isLocal() ) {
487 $this->printSharedImageText();
490 # Image does not exist
491 if ( $wgEnableUploads && $wgUser->isAllowed( 'upload' ) ) {
492 // Only show an upload link if the user can upload
493 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
495 'filepage-nofile-link',
496 $uploadTitle->getFullUrl( array( 'wpDestFile' => $this->img
->getName() ) )
501 $nofile = 'filepage-nofile';
503 $wgOut->setRobotPolicy( 'noindex,nofollow' );
504 $wgOut->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
509 * Show a notice that the file is from a shared repository
511 protected function printSharedImageText() {
516 $descUrl = $this->img
->getDescriptionUrl();
517 $descText = $this->img
->getDescriptionText();
519 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
520 $repo = $this->img
->getRepo()->getDisplayName();
522 if ( $descUrl && $descText && wfMsgNoTrans( 'sharedupload-desc-here' ) !== '-' ) {
523 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) );
524 } elseif ( $descUrl && wfMsgNoTrans( 'sharedupload-desc-there' ) !== '-' ) {
525 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) );
527 $wgOut->wrapWikiMsg( $wrap, array( 'sharedupload', $repo ), ''/*BACKCOMPAT*/ );
531 $this->mExtraDescription
= $descText;
535 public function getUploadUrl() {
537 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
538 return $uploadTitle->getFullUrl( array(
539 'wpDestFile' => $this->img
->getName(),
545 * Print out the various links at the bottom of the image page, e.g. reupload,
546 * external editing (and instructions link) etc.
548 protected function uploadLinksBox() {
549 global $wgUser, $wgOut, $wgEnableUploads, $wgUseExternalEditor;
551 if ( !$wgEnableUploads ) { return; }
554 if ( !$this->img
->isLocal() )
557 $sk = $wgUser->getSkin();
559 $wgOut->addHTML( "<br /><ul>\n" );
561 # "Upload a new version of this file" link
562 if ( UploadBase
::userCanReUpload( $wgUser, $this->img
->name
) ) {
563 $ulink = $sk->makeExternalLink( $this->getUploadUrl(), wfMsg( 'uploadnewversion-linktext' ) );
564 $wgOut->addHTML( "<li id=\"mw-imagepage-reupload-link\"><div class=\"plainlinks\">{$ulink}</div></li>\n" );
567 # External editing link
568 if ( $wgUseExternalEditor ) {
571 wfMsgHtml( 'edit-externally' ),
575 'externaledit' => 'true',
578 array( 'known', 'noclasses' )
580 $wgOut->addHTML( '<li id="mw-imagepage-edit-external">' . $elink . ' <small>' . wfMsgExt( 'edit-externally-help', array( 'parseinline' ) ) . "</small></li>\n" );
583 $wgOut->addHTML( "</ul>\n" );
586 protected function closeShowImage() { } # For overloading
589 * If the page we've just displayed is in the "Image" namespace,
590 * we follow it with an upload history of the image and its usage.
592 protected function imageHistory() {
596 $pager = new ImageHistoryPseudoPager( $this );
597 $wgOut->addHTML( $pager->getBody() );
599 $this->img
->resetHistory(); // free db resources
601 # Exist check because we don't want to show this on pages where an image
602 # doesn't exist along with the noimage message, that would suck. -ævar
603 if ( $this->img
->exists() ) {
604 $this->uploadLinksBox();
608 protected function imageLinks() {
609 global $wgUser, $wgOut, $wgLang;
613 $dbr = wfGetDB( DB_SLAVE
);
616 array( 'imagelinks', 'page' ),
617 array( 'page_namespace', 'page_title' ),
618 array( 'il_to' => $this->mTitle
->getDBkey(), 'il_from = page_id' ),
620 array( 'LIMIT' => $limit +
1 )
622 $count = $dbr->numRows( $res );
624 $wgOut->wrapWikiMsg( Html
::rawElement( 'div', array ( 'id' => 'mw-imagepage-nolinkstoimage' ), "\n$1\n" ), 'nolinkstoimage' );
628 $wgOut->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
629 if ( $count <= $limit - 1 ) {
630 $wgOut->addWikiMsg( 'linkstoimage', $count );
632 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
633 $wgOut->addWikiMsg( 'linkstoimage-more',
634 $wgLang->formatNum( $limit ),
635 $this->mTitle
->getPrefixedDBkey()
639 $wgOut->addHTML( Html
::openElement( 'ul', array( 'class' => 'mw-imagepage-linkstoimage' ) ) . "\n" );
640 $sk = $wgUser->getSkin();
643 foreach ( $res as $s ) {
645 if ( $count <= $limit ) {
646 // We have not yet reached the extra one that tells us there is more to fetch
651 // Sort the list by namespace:title
652 usort ( $elements, array( $this, 'compare' ) );
654 // Create links for every element
655 foreach( $elements as $element ) {
656 $link = $sk->linkKnown( Title
::makeTitle( $element->page_namespace
, $element->page_title
) );
657 $wgOut->addHTML( Html
::rawElement(
659 array( 'id' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
),
665 $wgOut->addHTML( Html
::closeElement( 'ul' ) . "\n" );
668 // Add a links to [[Special:Whatlinkshere]]
669 if ( $count > $limit ) {
670 $wgOut->addWikiMsg( 'morelinkstoimage', $this->mTitle
->getPrefixedDBkey() );
672 $wgOut->addHTML( Html
::closeElement( 'div' ) . "\n" );
675 protected function imageRedirects() {
676 global $wgUser, $wgOut, $wgLang;
678 $redirects = $this->getTitle()->getRedirectsHere( NS_FILE
);
679 if ( count( $redirects ) == 0 ) return;
681 $wgOut->addHTML( "<div id='mw-imagepage-section-redirectstofile'>\n" );
682 $wgOut->addWikiMsg( 'redirectstofile',
683 $wgLang->formatNum( count( $redirects ) )
685 $wgOut->addHTML( "<ul class='mw-imagepage-redirectstofile'>\n" );
687 $sk = $wgUser->getSkin();
688 foreach ( $redirects as $title ) {
693 array( 'redirect' => 'no' ),
694 array( 'known', 'noclasses' )
696 $wgOut->addHTML( "<li>{$link}</li>\n" );
698 $wgOut->addHTML( "</ul></div>\n" );
702 protected function imageDupes() {
703 global $wgOut, $wgUser, $wgLang;
707 $dupes = $this->getDuplicates();
708 if ( count( $dupes ) == 0 ) return;
710 $wgOut->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
711 $wgOut->addWikiMsg( 'duplicatesoffile',
712 $wgLang->formatNum( count( $dupes ) ), $this->mTitle
->getDBkey()
714 $wgOut->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
716 $sk = $wgUser->getSkin();
717 foreach ( $dupes as $file ) {
719 if ( $file->isLocal() ) {
725 array( 'known', 'noclasses' )
728 $link = $sk->makeExternalLink( $file->getDescriptionUrl(),
729 $file->getTitle()->getPrefixedText() );
730 $fromSrc = wfMsg( 'shared-repo-from', $file->getRepo()->getDisplayName() );
732 $wgOut->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
734 $wgOut->addHTML( "</ul></div>\n" );
738 * Delete the file, or an earlier version of it
740 public function delete() {
741 global $wgUploadMaintenance;
742 if ( $wgUploadMaintenance && $this->mTitle
&& $this->mTitle
->getNamespace() == NS_FILE
) {
744 $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n", array( 'filedelete-maintenance' ) );
749 if ( !$this->img
->exists() ||
!$this->img
->isLocal() ||
$this->img
->getRedirected() ) {
750 // Standard article deletion
754 $deleter = new FileDeleteForm( $this->img
);
759 * Revert the file to an earlier version
761 public function revert() {
763 $reverter = new FileRevertForm( $this->img
);
764 $reverter->execute();
768 * Override handling of action=purge
770 public function doPurge() {
772 if ( $this->img
->exists() ) {
773 wfDebug( "ImagePage::doPurge purging " . $this->img
->getName() . "\n" );
774 $update = new HTMLCacheUpdate( $this->mTitle
, 'imagelinks' );
776 $this->img
->upgradeRow();
777 $this->img
->purgeCache();
779 wfDebug( "ImagePage::doPurge no image for " . $this->img
->getName() . "; limiting purge to cache only\n" );
780 // even if the file supposedly doesn't exist, force any cached information
781 // to be updated (in case the cached information is wrong)
782 $this->img
->purgeCache();
788 * Display an error with a wikitext description
790 function showError( $description ) {
792 $wgOut->setPageTitle( wfMsg( "internalerror" ) );
793 $wgOut->setRobotPolicy( "noindex,nofollow" );
794 $wgOut->setArticleRelated( false );
795 $wgOut->enableClientCache( false );
796 $wgOut->addWikiText( $description );
801 * Callback for usort() to do link sorts by (namespace, title)
802 * Function copied from Title::compare()
804 * @param $a object page to compare with
805 * @param $b object page to compare with
806 * @return Integer: result of string comparison, or namespace comparison
808 protected function compare( $a, $b ) {
809 if ( $a->page_namespace
== $b->page_namespace
) {
810 return strcmp( $a->page_title
, $b->page_title
);
812 return $a->page_namespace
- $b->page_namespace
;
818 * Builds the image revision log shown on image pages
822 class ImageHistoryList
{
824 protected $imagePage, $img, $skin, $title, $repo, $showThumb;
826 public function __construct( $imagePage ) {
827 global $wgUser, $wgShowArchiveThumbnails;
828 $this->skin
= $wgUser->getSkin();
829 $this->current
= $imagePage->getFile();
830 $this->img
= $imagePage->getDisplayedFile();
831 $this->title
= $imagePage->getTitle();
832 $this->imagePage
= $imagePage;
833 $this->showThumb
= $wgShowArchiveThumbnails && $this->img
->canRender();
836 public function getImagePage() {
837 return $this->imagePage
;
840 public function getSkin() {
844 public function getFile() {
848 public function beginImageHistoryList( $navLinks = '' ) {
849 global $wgOut, $wgUser;
850 return Xml
::element( 'h2', array( 'id' => 'filehistory' ), wfMsg( 'filehist' ) ) . "\n"
851 . "<div id=\"mw-imagepage-section-filehistory\">\n"
852 . $wgOut->parse( wfMsgNoTrans( 'filehist-help' ) )
854 . Xml
::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n"
856 . ( $this->current
->isLocal() && ( $wgUser->isAllowed( 'delete' ) ||
$wgUser->isAllowed( 'deletedhistory' ) ) ?
'<td></td>' : '' )
857 . '<th>' . wfMsgHtml( 'filehist-datetime' ) . '</th>'
858 . ( $this->showThumb ?
'<th>' . wfMsgHtml( 'filehist-thumb' ) . '</th>' : '' )
859 . '<th>' . wfMsgHtml( 'filehist-dimensions' ) . '</th>'
860 . '<th>' . wfMsgHtml( 'filehist-user' ) . '</th>'
861 . '<th>' . wfMsgHtml( 'filehist-comment' ) . '</th>'
865 public function endImageHistoryList( $navLinks = '' ) {
866 return "</table>\n$navLinks\n</div>\n";
869 public function imageHistoryLine( $iscur, $file ) {
870 global $wgUser, $wgLang;
872 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
873 $img = $iscur ?
$file->getName() : $file->getArchiveName();
874 $user = $file->getUser( 'id' );
875 $usertext = $file->getUser( 'text' );
876 $description = $file->getDescription();
878 $local = $this->current
->isLocal();
879 $row = $selected = '';
882 if ( $local && ( $wgUser->isAllowed( 'delete' ) ||
$wgUser->isAllowed( 'deletedhistory' ) ) ) {
884 # Link to remove from history
885 if ( $wgUser->isAllowed( 'delete' ) ) {
886 $q = array( 'action' => 'delete' );
888 $q['oldimage'] = $img;
889 $row .= $this->skin
->link(
891 wfMsgHtml( $iscur ?
'filehist-deleteall' : 'filehist-deleteone' ),
892 array(), $q, array( 'known' )
895 # Link to hide content. Don't show useless link to people who cannot hide revisions.
896 $canHide = $wgUser->isAllowed( 'deleterevision' );
897 if ( $canHide ||
( $wgUser->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) {
898 if ( $wgUser->isAllowed( 'delete' ) ) {
901 // If file is top revision or locked from this user, don't link
902 if ( $iscur ||
!$file->userCan( File
::DELETED_RESTRICTED
) ) {
903 $del = $this->skin
->revDeleteLinkDisabled( $canHide );
905 list( $ts, $name ) = explode( '!', $img, 2 );
907 'type' => 'oldimage',
908 'target' => $this->title
->getPrefixedText(),
911 $del = $this->skin
->revDeleteLink( $query,
912 $file->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
919 // Reversion link/current indicator
922 $row .= wfMsgHtml( 'filehist-current' );
923 } elseif ( $local && $wgUser->isLoggedIn() && $this->title
->userCan( 'edit' ) ) {
924 if ( $file->isDeleted( File
::DELETED_FILE
) ) {
925 $row .= wfMsgHtml( 'filehist-revert' );
927 $row .= $this->skin
->link(
929 wfMsgHtml( 'filehist-revert' ),
932 'action' => 'revert',
934 'wpEditToken' => $wgUser->editToken( $img )
936 array( 'known', 'noclasses' )
942 // Date/time and image link
943 if ( $file->getTimestamp() === $this->img
->getTimestamp() ) {
944 $selected = "class='filehistory-selected'";
946 $row .= "<td $selected style='white-space: nowrap;'>";
947 if ( !$file->userCan( File
::DELETED_FILE
) ) {
948 # Don't link to unviewable files
949 $row .= '<span class="history-deleted">' . $wgLang->timeAndDate( $timestamp, true ) . '</span>';
950 } elseif ( $file->isDeleted( File
::DELETED_FILE
) ) {
951 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
952 # Make a link to review the image
953 $url = $this->skin
->link(
955 $wgLang->timeAndDate( $timestamp, true ),
958 'target' => $this->title
->getPrefixedText(),
960 'token' => $wgUser->editToken( $img )
962 array( 'known', 'noclasses' )
964 $row .= '<span class="history-deleted">' . $url . '</span>';
966 $url = $iscur ?
$this->current
->getUrl() : $this->current
->getArchiveUrl( $img );
967 $row .= Xml
::element( 'a', array( 'href' => $url ), $wgLang->timeAndDate( $timestamp, true ) );
972 if ( $this->showThumb
) {
973 $row .= '<td>' . $this->getThumbForLine( $file ) . '</td>';
976 // Image dimensions + size
978 $row .= htmlspecialchars( $file->getDimensionsString() );
979 $row .= " <span style='white-space: nowrap;'>(" . $this->skin
->formatSize( $file->getSize() ) . ')</span>';
985 // Hide deleted usernames
986 if ( $file->isDeleted( File
::DELETED_USER
) ) {
987 $row .= '<span class="history-deleted">' . wfMsgHtml( 'rev-deleted-user' ) . '</span>';
989 $row .= $this->skin
->userLink( $user, $usertext ) . " <span style='white-space: nowrap;'>" .
990 $this->skin
->userToolLinks( $user, $usertext ) . "</span>";
993 $row .= htmlspecialchars( $usertext );
997 // Don't show deleted descriptions
998 if ( $file->isDeleted( File
::DELETED_COMMENT
) ) {
999 $row .= '<span class="history-deleted">' . wfMsgHtml( 'rev-deleted-comment' ) . '</span>';
1001 $row .= $this->skin
->commentBlock( $description, $this->title
);
1005 wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) );
1006 $classAttr = $rowClass ?
" class='$rowClass'" : "";
1008 return "<tr{$classAttr}>{$row}</tr>\n";
1011 protected function getThumbForLine( $file ) {
1014 if ( $file->allowInlineDisplay() && $file->userCan( File
::DELETED_FILE
) && !$file->isDeleted( File
::DELETED_FILE
) ) {
1019 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
1021 $thumbnail = $file->transform( $params );
1023 'alt' => wfMsg( 'filehist-thumbtext',
1024 $wgLang->timeAndDate( $timestamp, true ),
1025 $wgLang->date( $timestamp, true ),
1026 $wgLang->time( $timestamp, true ) ),
1027 'file-link' => true,
1030 if ( !$thumbnail ) return wfMsgHtml( 'filehist-nothumb' );
1032 return $thumbnail->toHtml( $options );
1034 return wfMsgHtml( 'filehist-nothumb' );
1039 class ImageHistoryPseudoPager
extends ReverseChronologicalPager
{
1040 function __construct( $imagePage ) {
1041 parent
::__construct();
1042 $this->mImagePage
= $imagePage;
1043 $this->mTitle
= clone ( $imagePage->getTitle() );
1044 $this->mTitle
->setFragment( '#filehistory' );
1046 $this->mHist
= array();
1047 $this->mRange
= array( 0, 0 ); // display range
1050 function getTitle() {
1051 return $this->mTitle
;
1054 function getQueryInfo() {
1058 function getIndexField() {
1062 function formatRow( $row ) {
1066 function getBody() {
1069 if ( count( $this->mHist
) ) {
1070 $list = new ImageHistoryList( $this->mImagePage
);
1071 # Generate prev/next links
1072 $navLink = $this->getNavigationBar();
1073 $s = $list->beginImageHistoryList( $navLink );
1074 // Skip rows there just for paging links
1075 for ( $i = $this->mRange
[0]; $i <= $this->mRange
[1]; $i++
) {
1076 $file = $this->mHist
[$i];
1077 $s .= $list->imageHistoryLine( !$file->isOld(), $file );
1079 $s .= $list->endImageHistoryList( $navLink );
1084 function doQuery() {
1085 if ( $this->mQueryDone
) return;
1086 $this->mImg
= $this->mImagePage
->getFile(); // ensure loading
1087 if ( !$this->mImg
->exists() ) {
1090 $queryLimit = $this->mLimit +
1; // limit plus extra row
1091 if ( $this->mIsBackwards
) {
1092 // Fetch the file history
1093 $this->mHist
= $this->mImg
->getHistory( $queryLimit, null, $this->mOffset
, false );
1094 // The current rev may not meet the offset/limit
1095 $numRows = count( $this->mHist
);
1096 if ( $numRows <= $this->mLimit
&& $this->mImg
->getTimestamp() > $this->mOffset
) {
1097 $this->mHist
= array_merge( array( $this->mImg
), $this->mHist
);
1100 // The current rev may not meet the offset
1101 if ( !$this->mOffset ||
$this->mImg
->getTimestamp() < $this->mOffset
) {
1102 $this->mHist
[] = $this->mImg
;
1104 // Old image versions (fetch extra row for nav links)
1105 $oiLimit = count( $this->mHist
) ?
$this->mLimit
: $this->mLimit +
1;
1106 // Fetch the file history
1107 $this->mHist
= array_merge( $this->mHist
,
1108 $this->mImg
->getHistory( $oiLimit, $this->mOffset
, null, false ) );
1110 $numRows = count( $this->mHist
); // Total number of query results
1112 # Index value of top item in the list
1113 $firstIndex = $this->mIsBackwards ?
1114 $this->mHist
[$numRows - 1]->getTimestamp() : $this->mHist
[0]->getTimestamp();
1115 # Discard the extra result row if there is one
1116 if ( $numRows > $this->mLimit
&& $numRows > 1 ) {
1117 if ( $this->mIsBackwards
) {
1118 # Index value of item past the index
1119 $this->mPastTheEndIndex
= $this->mHist
[0]->getTimestamp();
1120 # Index value of bottom item in the list
1121 $lastIndex = $this->mHist
[1]->getTimestamp();
1123 $this->mRange
= array( 1, $numRows - 1 );
1125 # Index value of item past the index
1126 $this->mPastTheEndIndex
= $this->mHist
[$numRows - 1]->getTimestamp();
1127 # Index value of bottom item in the list
1128 $lastIndex = $this->mHist
[$numRows - 2]->getTimestamp();
1130 $this->mRange
= array( 0, $numRows - 2 );
1133 # Setting indexes to an empty string means that they will be
1134 # omitted if they would otherwise appear in URLs. It just so
1135 # happens that this is the right thing to do in the standard
1136 # UI, in all the relevant cases.
1137 $this->mPastTheEndIndex
= '';
1138 # Index value of bottom item in the list
1139 $lastIndex = $this->mIsBackwards ?
1140 $this->mHist
[0]->getTimestamp() : $this->mHist
[$numRows - 1]->getTimestamp();
1142 $this->mRange
= array( 0, $numRows - 1 );
1147 $this->mPastTheEndIndex
= '';
1149 if ( $this->mIsBackwards
) {
1150 $this->mIsFirst
= ( $numRows < $queryLimit );
1151 $this->mIsLast
= ( $this->mOffset
== '' );
1152 $this->mLastShown
= $firstIndex;
1153 $this->mFirstShown
= $lastIndex;
1155 $this->mIsFirst
= ( $this->mOffset
== '' );
1156 $this->mIsLast
= ( $numRows < $queryLimit );
1157 $this->mLastShown
= $lastIndex;
1158 $this->mFirstShown
= $firstIndex;
1160 $this->mQueryDone
= true;