3 * Special handling for file description pages.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
24 * Class for viewing MediaWiki file description pages
28 class ImagePage
extends Article
{
40 var $mExtraDescription = false;
44 * @return WikiFilePage
46 protected function newPage( Title
$title ) {
47 // Overload mPage with a file-specific page
48 return new WikiFilePage( $title );
52 * Constructor from a page id
53 * @param $id Int article ID to load
54 * @return ImagePage|null
56 public static function newFromID( $id ) {
57 $t = Title
::newFromID( $id );
58 # @todo FIXME: Doesn't inherit right
59 return $t == null ?
null : new self( $t );
60 # return $t == null ? null : new static( $t ); // PHP 5.3
67 public function setFile( $file ) {
68 $this->mPage
->setFile( $file );
69 $this->displayImg
= $file;
70 $this->fileLoaded
= true;
73 protected function loadFile() {
74 if ( $this->fileLoaded
) {
77 $this->fileLoaded
= true;
79 $this->displayImg
= $img = false;
80 wfRunHooks( 'ImagePageFindFile', array( $this, &$img, &$this->displayImg
) );
81 if ( !$img ) { // not set by hook?
82 $img = wfFindFile( $this->getTitle() );
84 $img = wfLocalFile( $this->getTitle() );
87 $this->mPage
->setFile( $img );
88 if ( !$this->displayImg
) { // not set by hook?
89 $this->displayImg
= $img;
91 $this->repo
= $img->getRepo();
95 * Handler for action=render
96 * Include body text only; none of the image extras
98 public function render() {
99 $this->getContext()->getOutput()->setArticleBodyOnly( true );
103 public function view() {
106 $out = $this->getContext()->getOutput();
107 $request = $this->getContext()->getRequest();
108 $diff = $request->getVal( 'diff' );
109 $diffOnly = $request->getBool( 'diffonly', $this->getContext()->getUser()->getOption( 'diffonly' ) );
111 if ( $this->getTitle()->getNamespace() != NS_FILE ||
( isset( $diff ) && $diffOnly ) ) {
118 if ( $this->getTitle()->getNamespace() == NS_FILE
&& $this->mPage
->getFile()->getRedirected() ) {
119 if ( $this->getTitle()->getDBkey() == $this->mPage
->getFile()->getName() ||
isset( $diff ) ) {
120 // mTitle is the same as the redirect target so ask Article
121 // to perform the redirect for us.
122 $request->setVal( 'diffonly', 'true' );
126 // mTitle is not the same as the redirect target so it is
127 // probably the redirect page itself. Fake the redirect symbol
128 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
129 $out->addHTML( $this->viewRedirect( Title
::makeTitle( NS_FILE
, $this->mPage
->getFile()->getName() ),
130 /* $appendSubtitle */ true, /* $forceKnown */ true ) );
131 $this->mPage
->doViewUpdates( $this->getContext()->getUser() );
136 if ( $wgShowEXIF && $this->displayImg
->exists() ) {
137 // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
138 $formattedMetadata = $this->displayImg
->formatMetadata();
139 $showmeta = $formattedMetadata !== false;
144 if ( !$diff && $this->displayImg
->exists() ) {
145 $out->addHTML( $this->showTOC( $showmeta ) );
149 $this->openShowImage();
152 # No need to display noarticletext, we use our own message, output in openShowImage()
153 if ( $this->mPage
->getID() ) {
154 # NS_FILE is in the user language, but this section (the actual wikitext)
155 # should be in page content language
156 $pageLang = $this->getTitle()->getPageViewLanguage();
157 $out->addHTML( Xml
::openElement( 'div', array( 'id' => 'mw-imagepage-content',
158 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
159 'class' => 'mw-content-'.$pageLang->getDir() ) ) );
163 $out->addHTML( Xml
::closeElement( 'div' ) );
165 # Just need to set the right headers
166 $out->setArticleFlag( true );
167 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
168 $this->mPage
->doViewUpdates( $this->getContext()->getUser() );
171 # Show shared description, if needed
172 if ( $this->mExtraDescription
) {
173 $fol = wfMessage( 'shareddescriptionfollows' );
174 if ( !$fol->isDisabled() ) {
175 $out->addWikiText( $fol->plain() );
177 $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription
. "</div>\n" );
180 $this->closeShowImage();
181 $this->imageHistory();
182 // TODO: Cleanup the following
184 $out->addHTML( Xml
::element( 'h2',
185 array( 'id' => 'filelinks' ),
186 wfMessage( 'imagelinks' )->text() ) . "\n" );
188 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
189 # Yet we return metadata about the target. Definitely an issue in the FileRepo
192 # Allow extensions to add something after the image links
194 wfRunHooks( 'ImagePageAfterImageLinks', array( $this, &$html ) );
196 $out->addHTML( $html );
200 $out->addHTML( Xml
::element(
202 array( 'id' => 'metadata' ),
203 wfMessage( 'metadata' )->text() ) . "\n" );
204 $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
205 $out->addModules( array( 'mediawiki.action.view.metadata' ) );
208 // Add remote Filepage.css
209 if( !$this->repo
->isLocal() ) {
210 $css = $this->repo
->getDescriptionStylesheetUrl();
212 $out->addStyle( $css );
215 // always show the local local Filepage.css, bug 29277
216 $out->addModuleStyles( 'filepage' );
222 public function getDisplayedFile() {
224 return $this->displayImg
;
230 * @param $metadata Boolean: whether or not to show the metadata link
233 protected function showTOC( $metadata ) {
235 '<li><a href="#file">' . wfMessage( 'file-anchor-link' )->escaped() . '</a></li>',
236 '<li><a href="#filehistory">' . wfMessage( 'filehist' )->escaped() . '</a></li>',
237 '<li><a href="#filelinks">' . wfMessage( 'imagelinks' )->escaped() . '</a></li>',
240 $r[] = '<li><a href="#metadata">' . wfMessage( 'metadata' )->escaped() . '</a></li>';
243 wfRunHooks( 'ImagePageShowTOC', array( $this, &$r ) );
245 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
249 * Make a table with metadata to be shown in the output page.
251 * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
253 * @param $metadata Array: the array containing the EXIF data
254 * @return String The metadata table. This is treated as Wikitext (!)
256 protected function makeMetadataTable( $metadata ) {
257 $r = "<div class=\"mw-imagepage-section-metadata\">";
258 $r .= wfMessage( 'metadata-help' )->plain();
259 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
260 foreach ( $metadata as $type => $stuff ) {
261 foreach ( $stuff as $v ) {
262 # @todo FIXME: Why is this using escapeId for a class?!
263 $class = Sanitizer
::escapeId( $v['id'] );
264 if ( $type == 'collapsed' ) {
265 $class .= ' collapsable';
267 $r .= "<tr class=\"$class\">\n";
268 $r .= "<th>{$v['name']}</th>\n";
269 $r .= "<td>{$v['value']}</td>\n</tr>";
272 $r .= "</table>\n</div>\n";
277 * Overloading Article's getContentObject method.
279 * Omit noarticletext if sharedupload; text will be fetched from the
280 * shared upload server if possible.
283 public function getContentObject() {
285 if ( $this->mPage
->getFile() && !$this->mPage
->getFile()->isLocal() && 0 == $this->getID() ) {
288 return parent
::getContentObject();
291 protected function openShowImage() {
292 global $wgImageLimits, $wgEnableUploads, $wgSend404Code;
295 $out = $this->getContext()->getOutput();
296 $user = $this->getContext()->getUser();
297 $lang = $this->getContext()->getLanguage();
298 $dirmark = $lang->getDirMarkEntity();
299 $request = $this->getContext()->getRequest();
301 $sizeSel = intval( $user->getOption( 'imagesize' ) );
302 if ( !isset( $wgImageLimits[$sizeSel] ) ) {
303 $sizeSel = User
::getDefaultOption( 'imagesize' );
305 // The user offset might still be incorrect, specially if
306 // $wgImageLimits got changed (see bug #8858).
307 if ( !isset( $wgImageLimits[$sizeSel] ) ) {
308 // Default to the first offset in $wgImageLimits
312 $max = $wgImageLimits[$sizeSel];
314 $maxHeight = $max[1];
316 if ( $this->displayImg
->exists() ) {
318 $page = $request->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;
330 $longDesc = wfMessage( 'parentheses', $this->displayImg
->getLongDesc() )->text();
332 wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this, &$out ) );
334 if ( $this->displayImg
->allowInlineDisplay() ) {
337 # "Download high res version" link below the image
338 # $msgsize = wfMessage( 'file-info-size', $width_orig, $height_orig, Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
339 # We'll show a thumbnail of this image
340 if ( $width > $maxWidth ||
$height > $maxHeight ) {
341 # Calculate the thumbnail size.
342 # First case, the limiting factor is the width, not the height.
343 if ( $width / $height >= $maxWidth / $maxHeight ) {
344 $height = round( $height * $maxWidth / $width );
346 # Note that $height <= $maxHeight now.
348 $newwidth = floor( $width * $maxHeight / $height );
349 $height = round( $height * $newwidth / $width );
351 # Note that $height <= $maxHeight now, but might not be identical
352 # because of rounding.
354 $msgbig = wfMessage( 'show-big-image' )->escaped();
355 if ( $this->displayImg
->getRepo()->canTransformVia404() ) {
356 $thumbSizes = $wgImageLimits;
358 # Creating thumb links triggers thumbnail generation.
359 # Just generate the thumb for the current users prefs.
360 $thumbOption = $user->getOption( 'thumbsize' );
361 $thumbSizes = array( isset( $wgImageLimits[$thumbOption] )
362 ?
$wgImageLimits[$thumbOption]
363 : $wgImageLimits[User
::getDefaultOption( 'thumbsize' )] );
365 # Generate thumbnails or thumbnail links as needed...
366 $otherSizes = array();
367 foreach ( $thumbSizes as $size ) {
368 if ( $size[0] < $width_orig && $size[1] < $height_orig
369 && $size[0] != $width && $size[1] != $height )
371 $otherSizes[] = $this->makeSizeLink( $params, $size[0], $size[1] );
374 $msgsmall = wfMessage( 'show-big-image-preview' )->
375 rawParams( $this->makeSizeLink( $params, $width, $height ) )->
377 if ( count( $otherSizes ) ) {
379 Html
::rawElement( 'span', array( 'class' => 'mw-filepage-other-resolutions' ),
380 wfMessage( 'show-big-image-other' )->rawParams( $lang->pipeList( $otherSizes ) )->
381 params( count( $otherSizes ) )->parse()
384 } elseif ( $width == 0 && $height == 0 ){
385 # Some sort of audio file that doesn't have dimensions
386 # Don't output a no hi res message for such a file
389 # Image is small enough to show full size on image page
390 $msgsmall = wfMessage( 'file-nohires' )->parse();
393 $params['width'] = $width;
394 $params['height'] = $height;
395 $thumbnail = $this->displayImg
->transform( $params );
398 $anchorclose = Html
::rawElement( 'div', array( 'class' => 'mw-filepage-resolutioninfo' ), $msgsmall );
400 $isMulti = $this->displayImg
->isMultipage() && $this->displayImg
->pageCount() > 1;
402 $out->addHTML( '<table class="multipageimage"><tr><td>' );
407 'alt' => $this->displayImg
->getTitle()->getPrefixedText(),
410 $out->addHTML( '<div class="fullImageLink" id="file">' .
411 $thumbnail->toHtml( $options ) .
412 $anchorclose . "</div>\n" );
416 $count = $this->displayImg
->pageCount();
419 $label = $out->parse( wfMessage( 'imgmultipageprev' )->text(), false );
420 $link = Linker
::linkKnown(
424 array( 'page' => $page - 1 )
426 $thumb1 = Linker
::makeThumbLinkObj( $this->getTitle(), $this->displayImg
, $link, $label, 'none',
427 array( 'page' => $page - 1 ) );
432 if ( $page < $count ) {
433 $label = wfMessage( 'imgmultipagenext' )->text();
434 $link = Linker
::linkKnown(
438 array( 'page' => $page +
1 )
440 $thumb2 = Linker
::makeThumbLinkObj( $this->getTitle(), $this->displayImg
, $link, $label, 'none',
441 array( 'page' => $page +
1 ) );
449 'name' => 'pageselector',
450 'action' => $wgScript,
451 'onchange' => 'document.pageselector.submit();',
454 for ( $i = 1; $i <= $count; $i++
) {
455 $options[] = Xml
::option( $lang->formatNum( $i ), $i, $i == $page );
457 $select = Xml
::tags( 'select',
458 array( 'id' => 'pageselector', 'name' => 'page' ),
459 implode( "\n", $options ) );
462 '</td><td><div class="multipageimagenavbox">' .
463 Xml
::openElement( 'form', $formParams ) .
464 Html
::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
465 wfMessage( 'imgmultigoto' )->rawParams( $select )->parse() .
466 Xml
::submitButton( wfMessage( 'imgmultigo' )->text() ) .
467 Xml
::closeElement( 'form' ) .
468 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
472 # if direct link is allowed but it's not a renderable image, show an icon.
473 if ( $this->displayImg
->isSafeFile() ) {
474 $icon = $this->displayImg
->iconThumb();
476 $out->addHTML( '<div class="fullImageLink" id="file">' .
477 $icon->toHtml( array( 'file-link' => true ) ) .
485 $filename = wfEscapeWikiText( $this->displayImg
->getName() );
486 $linktext = $filename;
487 if ( isset( $msgbig ) ) {
488 $linktext = wfEscapeWikiText( $msgbig );
490 $medialink = "[[Media:$filename|$linktext]]";
492 if ( !$this->displayImg
->isSafeFile() ) {
493 $warning = wfMessage( 'mediawarning' )->plain();
494 // dirmark is needed here to separate the file name, which
495 // most likely ends in Latin characters, from the description,
496 // which may begin with the file type. In RTL environment
497 // this will get messy.
498 // The dirmark, however, must not be immediately adjacent
499 // to the filename, because it can get copied with it.
501 $out->addWikiText( <<<EOT
502 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
503 <div class="mediaWarning">$warning</div>
507 $out->addWikiText( <<<EOT
508 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
515 // Add cannot animate thumbnail warning
516 if ( !$this->displayImg
->canAnimateThumbIfAppropriate() ) {
517 // Include the extension so wiki admins can
518 // customize it on a per file-type basis
519 // (aka say things like use format X instead).
520 // additionally have a specific message for
521 // file-no-thumb-animation-gif
522 $ext = $this->displayImg
->getExtension();
523 $noAnimMesg = wfMessageFallback(
524 'file-no-thumb-animation-' . $ext,
525 'file-no-thumb-animation'
528 $out->addWikiText( <<<EOT
529 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
534 if ( !$this->displayImg
->isLocal() ) {
535 $this->printSharedImageText();
538 # Image does not exist
539 if ( !$this->getID() ) {
540 # No article exists either
541 # Show deletion log to be consistent with normal articles
542 LogEventsList
::showLogExtract(
544 array( 'delete', 'move' ),
545 $this->getTitle()->getPrefixedText(),
548 'conds' => array( "log_action != 'revision'" ),
549 'showIfEmpty' => false,
550 'msgKey' => array( 'moveddeleted-notice' )
555 if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
556 // Only show an upload link if the user can upload
557 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
559 'filepage-nofile-link',
560 $uploadTitle->getFullURL( array( 'wpDestFile' => $this->mPage
->getFile()->getName() ) )
563 $nofile = 'filepage-nofile';
565 // Note, if there is an image description page, but
566 // no image, then this setRobotPolicy is overriden
567 // by Article::View().
568 $out->setRobotPolicy( 'noindex,nofollow' );
569 $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
570 if ( !$this->getID() && $wgSend404Code ) {
571 // If there is no image, no shared image, and no description page,
572 // output a 404, to be consistent with articles.
573 $request->response()->header( 'HTTP/1.1 404 Not Found' );
576 $out->setFileVersion( $this->displayImg
);
580 * Creates an thumbnail of specified size and returns an HTML link to it
581 * @param $params array Scaler parameters
586 private function makeSizeLink( $params, $width, $height ) {
587 $params['width'] = $width;
588 $params['height'] = $height;
589 $thumbnail = $this->displayImg
->transform( $params );
590 if ( $thumbnail && !$thumbnail->isError() ) {
591 return Html
::rawElement( 'a', array(
592 'href' => $thumbnail->getUrl(),
593 'class' => 'mw-thumbnail-link'
594 ), wfMessage( 'show-big-image-size' )->numParams(
595 $thumbnail->getWidth(), $thumbnail->getHeight()
603 * Show a notice that the file is from a shared repository
605 protected function printSharedImageText() {
606 $out = $this->getContext()->getOutput();
609 $descUrl = $this->mPage
->getFile()->getDescriptionUrl();
610 $descText = $this->mPage
->getFile()->getDescriptionText();
612 /* Add canonical to head if there is no local page for this shared file */
613 if( $descUrl && $this->mPage
->getID() == 0 ) {
614 $out->addLink( array( 'rel' => 'canonical', 'href' => $descUrl ) );
617 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
618 $repo = $this->mPage
->getFile()->getRepo()->getDisplayName();
620 if ( $descUrl && $descText && wfMessage( 'sharedupload-desc-here' )->plain() !== '-' ) {
621 $out->wrapWikiMsg( $wrap, array( 'sharedupload-desc-here', $repo, $descUrl ) );
622 } elseif ( $descUrl && wfMessage( 'sharedupload-desc-there' )->plain() !== '-' ) {
623 $out->wrapWikiMsg( $wrap, array( 'sharedupload-desc-there', $repo, $descUrl ) );
625 $out->wrapWikiMsg( $wrap, array( 'sharedupload', $repo ), ''/*BACKCOMPAT*/ );
629 $this->mExtraDescription
= $descText;
633 public function getUploadUrl() {
635 $uploadTitle = SpecialPage
::getTitleFor( 'Upload' );
636 return $uploadTitle->getFullURL( array(
637 'wpDestFile' => $this->mPage
->getFile()->getName(),
643 * Print out the various links at the bottom of the image page, e.g. reupload,
644 * external editing (and instructions link) etc.
646 protected function uploadLinksBox() {
647 global $wgEnableUploads, $wgUseExternalEditor;
649 if ( !$wgEnableUploads ) {
654 if ( !$this->mPage
->getFile()->isLocal() ) {
658 $out = $this->getContext()->getOutput();
659 $out->addHTML( "<ul>\n" );
661 # "Upload a new version of this file" link
662 $canUpload = $this->getTitle()->userCan( 'upload', $this->getContext()->getUser() );
663 if ( $canUpload && UploadBase
::userCanReUpload( $this->getContext()->getUser(), $this->mPage
->getFile()->name
) ) {
664 $ulink = Linker
::makeExternalLink( $this->getUploadUrl(), wfMessage( 'uploadnewversion-linktext' )->text() );
665 $out->addHTML( "<li id=\"mw-imagepage-reupload-link\"><div class=\"plainlinks\">{$ulink}</div></li>\n" );
667 $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">" . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
670 # External editing link
671 if ( $wgUseExternalEditor ) {
672 $elink = Linker
::linkKnown(
674 wfMessage( 'edit-externally' )->escaped(),
678 'externaledit' => 'true',
683 '<li id="mw-imagepage-edit-external">' . $elink . ' <small>' .
684 wfMessage( 'edit-externally-help' )->parse() .
689 $out->addHTML( "</ul>\n" );
692 protected function closeShowImage() { } # For overloading
695 * If the page we've just displayed is in the "Image" namespace,
696 * we follow it with an upload history of the image and its usage.
698 protected function imageHistory() {
700 $out = $this->getContext()->getOutput();
701 $pager = new ImageHistoryPseudoPager( $this );
702 $out->addHTML( $pager->getBody() );
703 $out->preventClickjacking( $pager->getPreventClickjacking() );
705 $this->mPage
->getFile()->resetHistory(); // free db resources
707 # Exist check because we don't want to show this on pages where an image
708 # doesn't exist along with the noimage message, that would suck. -ævar
709 if ( $this->mPage
->getFile()->exists() ) {
710 $this->uploadLinksBox();
717 * @return ResultWrapper
719 protected function queryImageLinks( $target, $limit ) {
720 $dbr = wfGetDB( DB_SLAVE
);
723 array( 'imagelinks', 'page' ),
724 array( 'page_namespace', 'page_title', 'page_is_redirect', 'il_to' ),
725 array( 'il_to' => $target, 'il_from = page_id' ),
727 array( 'LIMIT' => $limit +
1, 'ORDER BY' => 'il_from', )
731 protected function imageLinks() {
734 $out = $this->getContext()->getOutput();
735 $res = $this->queryImageLinks( $this->getTitle()->getDbKey(), $limit +
1);
737 $redirects = array();
738 foreach ( $res as $row ) {
739 if ( $row->page_is_redirect
) {
740 $redirects[$row->page_title
] = array();
744 $count = count( $rows );
746 $hasMore = $count > $limit;
747 if ( !$hasMore && count( $redirects ) ) {
748 $res = $this->queryImageLinks( array_keys( $redirects ),
749 $limit - count( $rows ) +
1 );
750 foreach ( $res as $row ) {
751 $redirects[$row->il_to
][] = $row;
754 $hasMore = ( $res->numRows() +
count( $rows ) ) > $limit;
759 Html
::rawElement( 'div',
760 array( 'id' => 'mw-imagepage-nolinkstoimage' ), "\n$1\n" ),
766 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
768 $out->addWikiMsg( 'linkstoimage', $count );
770 // More links than the limit. Add a link to [[Special:Whatlinkshere]]
771 $out->addWikiMsg( 'linkstoimage-more',
772 $this->getContext()->getLanguage()->formatNum( $limit ),
773 $this->getTitle()->getPrefixedDBkey()
778 Html
::openElement( 'ul',
779 array( 'class' => 'mw-imagepage-linkstoimage' ) ) . "\n"
783 // Sort the list by namespace:title
784 usort( $rows, array( $this, 'compare' ) );
786 // Create links for every element
788 foreach( $rows as $element ) {
790 if ( $currentCount > $limit ) {
794 $link = Linker
::linkKnown( Title
::makeTitle( $element->page_namespace
, $element->page_title
) );
795 if ( !isset( $redirects[$element->page_title
] ) ) {
798 $ul = "<ul class='mw-imagepage-redirectstofile'>\n";
799 foreach ( $redirects[$element->page_title
] as $row ) {
801 if ( $currentCount > $limit ) {
805 $link2 = Linker
::linkKnown( Title
::makeTitle( $row->page_namespace
, $row->page_title
) );
806 $ul .= Html
::rawElement(
808 array( 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
),
813 $liContents = wfMessage( 'linkstoimage-redirect' )->rawParams(
814 $link, $ul )->parse();
816 $out->addHTML( Html
::rawElement(
818 array( 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace
),
824 $out->addHTML( Html
::closeElement( 'ul' ) . "\n" );
827 // Add a links to [[Special:Whatlinkshere]]
828 if ( $count > $limit ) {
829 $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
831 $out->addHTML( Html
::closeElement( 'div' ) . "\n" );
834 protected function imageDupes() {
836 $out = $this->getContext()->getOutput();
838 $dupes = $this->mPage
->getDuplicates();
839 if ( count( $dupes ) == 0 ) {
843 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
844 $out->addWikiMsg( 'duplicatesoffile',
845 $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
847 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
852 foreach ( $dupes as $file ) {
854 if ( $file->isLocal() ) {
855 $link = Linker
::linkKnown( $file->getTitle() );
857 $link = Linker
::makeExternalLink( $file->getDescriptionUrl(),
858 $file->getTitle()->getPrefixedText() );
859 $fromSrc = wfMessage( 'shared-repo-from', $file->getRepo()->getDisplayName() )->text();
861 $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
863 $out->addHTML( "</ul></div>\n" );
867 * Delete the file, or an earlier version of it
869 public function delete() {
870 $file = $this->mPage
->getFile();
871 if ( !$file->exists() ||
!$file->isLocal() ||
$file->getRedirected() ) {
872 // Standard article deletion
877 $deleter = new FileDeleteForm( $file );
882 * Display an error with a wikitext description
884 * @param $description String
886 function showError( $description ) {
887 $out = $this->getContext()->getOutput();
888 $out->setPageTitle( wfMessage( 'internalerror' ) );
889 $out->setRobotPolicy( 'noindex,nofollow' );
890 $out->setArticleRelated( false );
891 $out->enableClientCache( false );
892 $out->addWikiText( $description );
896 * Callback for usort() to do link sorts by (namespace, title)
897 * Function copied from Title::compare()
899 * @param $a object page to compare with
900 * @param $b object page to compare with
901 * @return Integer: result of string comparison, or namespace comparison
903 protected function compare( $a, $b ) {
904 if ( $a->page_namespace
== $b->page_namespace
) {
905 return strcmp( $a->page_title
, $b->page_title
);
907 return $a->page_namespace
- $b->page_namespace
;
913 * Builds the image revision log shown on image pages
917 class ImageHistoryList
extends ContextSource
{
932 protected $imagePage;
939 protected $repo, $showThumb;
940 protected $preventClickjacking = false;
943 * @param ImagePage $imagePage
945 public function __construct( $imagePage ) {
946 global $wgShowArchiveThumbnails;
947 $this->current
= $imagePage->getFile();
948 $this->img
= $imagePage->getDisplayedFile();
949 $this->title
= $imagePage->getTitle();
950 $this->imagePage
= $imagePage;
951 $this->showThumb
= $wgShowArchiveThumbnails && $this->img
->canRender();
952 $this->setContext( $imagePage->getContext() );
958 public function getImagePage() {
959 return $this->imagePage
;
965 public function getFile() {
970 * @param $navLinks string
973 public function beginImageHistoryList( $navLinks = '' ) {
974 return Xml
::element( 'h2', array( 'id' => 'filehistory' ), $this->msg( 'filehist' )->text() ) . "\n"
975 . "<div id=\"mw-imagepage-section-filehistory\">\n"
976 . $this->msg( 'filehist-help' )->parseAsBlock()
978 . Xml
::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n"
980 . ( $this->current
->isLocal() && ( $this->getUser()->isAllowedAny( 'delete', 'deletedhistory' ) ) ?
'<td></td>' : '' )
981 . '<th>' . $this->msg( 'filehist-datetime' )->escaped() . '</th>'
982 . ( $this->showThumb ?
'<th>' . $this->msg( 'filehist-thumb' )->escaped() . '</th>' : '' )
983 . '<th>' . $this->msg( 'filehist-dimensions' )->escaped() . '</th>'
984 . '<th>' . $this->msg( 'filehist-user' )->escaped() . '</th>'
985 . '<th>' . $this->msg( 'filehist-comment' )->escaped() . '</th>'
990 * @param $navLinks string
993 public function endImageHistoryList( $navLinks = '' ) {
994 return "</table>\n$navLinks\n</div>\n";
1002 public function imageHistoryLine( $iscur, $file ) {
1005 $user = $this->getUser();
1006 $lang = $this->getLanguage();
1007 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
1008 $img = $iscur ?
$file->getName() : $file->getArchiveName();
1009 $userId = $file->getUser( 'id' );
1010 $userText = $file->getUser( 'text' );
1011 $description = $file->getDescription( File
::FOR_THIS_USER
, $user );
1013 $local = $this->current
->isLocal();
1014 $row = $selected = '';
1017 if ( $local && ( $user->isAllowedAny( 'delete', 'deletedhistory' ) ) ) {
1019 # Link to remove from history
1020 if ( $user->isAllowed( 'delete' ) ) {
1021 $q = array( 'action' => 'delete' );
1023 $q['oldimage'] = $img;
1025 $row .= Linker
::linkKnown(
1027 $this->msg( $iscur ?
'filehist-deleteall' : 'filehist-deleteone' )->escaped(),
1031 # Link to hide content. Don't show useless link to people who cannot hide revisions.
1032 $canHide = $user->isAllowed( 'deleterevision' );
1033 if ( $canHide ||
( $user->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) {
1034 if ( $user->isAllowed( 'delete' ) ) {
1037 // If file is top revision or locked from this user, don't link
1038 if ( $iscur ||
!$file->userCan( File
::DELETED_RESTRICTED
, $user ) ) {
1039 $del = Linker
::revDeleteLinkDisabled( $canHide );
1041 list( $ts, ) = explode( '!', $img, 2 );
1043 'type' => 'oldimage',
1044 'target' => $this->title
->getPrefixedText(),
1047 $del = Linker
::revDeleteLink( $query,
1048 $file->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
1055 // Reversion link/current indicator
1058 $row .= $this->msg( 'filehist-current' )->escaped();
1059 } elseif ( $local && $this->title
->quickUserCan( 'edit', $user )
1060 && $this->title
->quickUserCan( 'upload', $user )
1062 if ( $file->isDeleted( File
::DELETED_FILE
) ) {
1063 $row .= $this->msg( 'filehist-revert' )->escaped();
1065 $row .= Linker
::linkKnown(
1067 $this->msg( 'filehist-revert' )->escaped(),
1070 'action' => 'revert',
1072 'wpEditToken' => $user->getEditToken( $img )
1079 // Date/time and image link
1080 if ( $file->getTimestamp() === $this->img
->getTimestamp() ) {
1081 $selected = "class='filehistory-selected'";
1083 $row .= "<td $selected style='white-space: nowrap;'>";
1084 if ( !$file->userCan( File
::DELETED_FILE
, $user ) ) {
1085 # Don't link to unviewable files
1086 $row .= '<span class="history-deleted">' . $lang->userTimeAndDate( $timestamp, $user ) . '</span>';
1087 } elseif ( $file->isDeleted( File
::DELETED_FILE
) ) {
1089 $this->preventClickjacking();
1090 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
1091 # Make a link to review the image
1092 $url = Linker
::linkKnown(
1094 $lang->userTimeAndDate( $timestamp, $user ),
1097 'target' => $this->title
->getPrefixedText(),
1099 'token' => $user->getEditToken( $img )
1103 $url = $lang->userTimeAndDate( $timestamp, $user );
1105 $row .= '<span class="history-deleted">' . $url . '</span>';
1107 $url = $iscur ?
$this->current
->getUrl() : $this->current
->getArchiveUrl( $img );
1108 $row .= Xml
::element( 'a', array( 'href' => $url ), $lang->userTimeAndDate( $timestamp, $user ) );
1113 if ( $this->showThumb
) {
1114 $row .= '<td>' . $this->getThumbForLine( $file ) . '</td>';
1117 // Image dimensions + size
1119 $row .= htmlspecialchars( $file->getDimensionsString() );
1120 $row .= $this->msg( 'word-separator' )->plain();
1121 $row .= '<span style="white-space: nowrap;">';
1122 $row .= $this->msg( 'parentheses' )->rawParams( Linker
::formatSize( $file->getSize() ) )->plain();
1128 // Hide deleted usernames
1129 if ( $file->isDeleted( File
::DELETED_USER
) ) {
1130 $row .= '<span class="history-deleted">' . $this->msg( 'rev-deleted-user' )->escaped() . '</span>';
1133 $row .= Linker
::userLink( $userId, $userText );
1134 $row .= $this->msg( 'word-separator' )->plain();
1135 $row .= '<span style="white-space: nowrap;">';
1136 $row .= Linker
::userToolLinks( $userId, $userText );
1139 $row .= htmlspecialchars( $userText );
1144 // Don't show deleted descriptions
1145 if ( $file->isDeleted( File
::DELETED_COMMENT
) ) {
1146 $row .= '<td><span class="history-deleted">' . $this->msg( 'rev-deleted-comment' )->escaped() . '</span></td>';
1148 $row .= '<td dir="' . $wgContLang->getDir() . '">' . Linker
::formatComment( $description, $this->title
) . '</td>';
1152 wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) );
1153 $classAttr = $rowClass ?
" class='$rowClass'" : '';
1155 return "<tr{$classAttr}>{$row}</tr>\n";
1162 protected function getThumbForLine( $file ) {
1163 $lang = $this->getLanguage();
1164 $user = $this->getUser();
1165 if ( $file->allowInlineDisplay() && $file->userCan( File
::DELETED_FILE
,$user )
1166 && !$file->isDeleted( File
::DELETED_FILE
) )
1172 $timestamp = wfTimestamp( TS_MW
, $file->getTimestamp() );
1174 $thumbnail = $file->transform( $params );
1176 'alt' => $this->msg( 'filehist-thumbtext',
1177 $lang->userTimeAndDate( $timestamp, $user ),
1178 $lang->userDate( $timestamp, $user ),
1179 $lang->userTime( $timestamp, $user ) )->text(),
1180 'file-link' => true,
1183 if ( !$thumbnail ) {
1184 return $this->msg( 'filehist-nothumb' )->escaped();
1187 return $thumbnail->toHtml( $options );
1189 return $this->msg( 'filehist-nothumb' )->escaped();
1194 * @param $enable bool
1196 protected function preventClickjacking( $enable = true ) {
1197 $this->preventClickjacking
= $enable;
1203 public function getPreventClickjacking() {
1204 return $this->preventClickjacking
;
1208 class ImageHistoryPseudoPager
extends ReverseChronologicalPager
{
1209 protected $preventClickjacking = false;
1222 * @param ImagePage $imagePage
1224 function __construct( $imagePage ) {
1225 parent
::__construct();
1226 $this->mImagePage
= $imagePage;
1227 $this->mTitle
= clone ( $imagePage->getTitle() );
1228 $this->mTitle
->setFragment( '#filehistory' );
1230 $this->mHist
= array();
1231 $this->mRange
= array( 0, 0 ); // display range
1237 function getTitle() {
1238 return $this->mTitle
;
1241 function getQueryInfo() {
1248 function getIndexField() {
1253 * @param $row object
1256 function formatRow( $row ) {
1263 function getBody() {
1266 if ( count( $this->mHist
) ) {
1267 $list = new ImageHistoryList( $this->mImagePage
);
1268 # Generate prev/next links
1269 $navLink = $this->getNavigationBar();
1270 $s = $list->beginImageHistoryList( $navLink );
1271 // Skip rows there just for paging links
1272 for ( $i = $this->mRange
[0]; $i <= $this->mRange
[1]; $i++
) {
1273 $file = $this->mHist
[$i];
1274 $s .= $list->imageHistoryLine( !$file->isOld(), $file );
1276 $s .= $list->endImageHistoryList( $navLink );
1278 if ( $list->getPreventClickjacking() ) {
1279 $this->preventClickjacking();
1285 function doQuery() {
1286 if ( $this->mQueryDone
) {
1289 $this->mImg
= $this->mImagePage
->getFile(); // ensure loading
1290 if ( !$this->mImg
->exists() ) {
1293 $queryLimit = $this->mLimit +
1; // limit plus extra row
1294 if ( $this->mIsBackwards
) {
1295 // Fetch the file history
1296 $this->mHist
= $this->mImg
->getHistory( $queryLimit, null, $this->mOffset
, false );
1297 // The current rev may not meet the offset/limit
1298 $numRows = count( $this->mHist
);
1299 if ( $numRows <= $this->mLimit
&& $this->mImg
->getTimestamp() > $this->mOffset
) {
1300 $this->mHist
= array_merge( array( $this->mImg
), $this->mHist
);
1303 // The current rev may not meet the offset
1304 if ( !$this->mOffset ||
$this->mImg
->getTimestamp() < $this->mOffset
) {
1305 $this->mHist
[] = $this->mImg
;
1307 // Old image versions (fetch extra row for nav links)
1308 $oiLimit = count( $this->mHist
) ?
$this->mLimit
: $this->mLimit +
1;
1309 // Fetch the file history
1310 $this->mHist
= array_merge( $this->mHist
,
1311 $this->mImg
->getHistory( $oiLimit, $this->mOffset
, null, false ) );
1313 $numRows = count( $this->mHist
); // Total number of query results
1315 # Index value of top item in the list
1316 $firstIndex = $this->mIsBackwards ?
1317 $this->mHist
[$numRows - 1]->getTimestamp() : $this->mHist
[0]->getTimestamp();
1318 # Discard the extra result row if there is one
1319 if ( $numRows > $this->mLimit
&& $numRows > 1 ) {
1320 if ( $this->mIsBackwards
) {
1321 # Index value of item past the index
1322 $this->mPastTheEndIndex
= $this->mHist
[0]->getTimestamp();
1323 # Index value of bottom item in the list
1324 $lastIndex = $this->mHist
[1]->getTimestamp();
1326 $this->mRange
= array( 1, $numRows - 1 );
1328 # Index value of item past the index
1329 $this->mPastTheEndIndex
= $this->mHist
[$numRows - 1]->getTimestamp();
1330 # Index value of bottom item in the list
1331 $lastIndex = $this->mHist
[$numRows - 2]->getTimestamp();
1333 $this->mRange
= array( 0, $numRows - 2 );
1336 # Setting indexes to an empty string means that they will be
1337 # omitted if they would otherwise appear in URLs. It just so
1338 # happens that this is the right thing to do in the standard
1339 # UI, in all the relevant cases.
1340 $this->mPastTheEndIndex
= '';
1341 # Index value of bottom item in the list
1342 $lastIndex = $this->mIsBackwards ?
1343 $this->mHist
[0]->getTimestamp() : $this->mHist
[$numRows - 1]->getTimestamp();
1345 $this->mRange
= array( 0, $numRows - 1 );
1350 $this->mPastTheEndIndex
= '';
1352 if ( $this->mIsBackwards
) {
1353 $this->mIsFirst
= ( $numRows < $queryLimit );
1354 $this->mIsLast
= ( $this->mOffset
== '' );
1355 $this->mLastShown
= $firstIndex;
1356 $this->mFirstShown
= $lastIndex;
1358 $this->mIsFirst
= ( $this->mOffset
== '' );
1359 $this->mIsLast
= ( $numRows < $queryLimit );
1360 $this->mLastShown
= $lastIndex;
1361 $this->mFirstShown
= $firstIndex;
1363 $this->mQueryDone
= true;
1367 * @param $enable bool
1369 protected function preventClickjacking( $enable = true ) {
1370 $this->preventClickjacking
= $enable;
1376 public function getPreventClickjacking() {
1377 return $this->preventClickjacking
;