includes/ImagePage.php

   1 <?php
   2 /**
   3  */
   4
   5 /**
   6  *
   7  */
   8 if( !defined( 'MEDIAWIKI' ) )
   9         die( 1 );
  10
  11 /**
  12  * Special handling for image description pages
  13  *
  14  * @addtogroup Media
  15  */
  16 class ImagePage extends Article {
  17
  18         /* private */ var $img;  // Image object this page is shown for
  19         /* private */ var $repo;
  20         var $mExtraDescription = false;
  21
  22         function __construct( $title, $time = false ) {
  23                 parent::__construct( $title );
  24                 $this->img = wfFindFile( $this->mTitle, $time );
  25                 if ( !$this->img ) {
  26                         $this->img = wfLocalFile( $this->mTitle );
  27                         $this->current = $this->img;
  28                 } else {
  29                         $this->current = $time ? wfLocalFile( $this->mTitle ) : $this->img;
  30                 }
  31                 $this->repo = $this->img->repo;
  32         }
  33
  34         /**
  35          * Handler for action=render
  36          * Include body text only; none of the image extras
  37          */
  38         function render() {
  39                 global $wgOut;
  40                 $wgOut->setArticleBodyOnly( true );
  41                 $wgOut->addSecondaryWikitext( $this->getContent() );
  42         }
  43
  44         function view() {
  45                 global $wgOut, $wgShowEXIF, $wgRequest, $wgUser;
  46
  47                 $diff = $wgRequest->getVal( 'diff' );
  48                 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
  49
  50                 if ( $this->mTitle->getNamespace() != NS_IMAGE || ( isset( $diff ) && $diffOnly ) )
  51                         return Article::view();
  52
  53                 if ($wgShowEXIF && $this->img->exists()) {
  54                         // FIXME: bad interface, see note on MediaHandler::formatMetadata().
  55                         $formattedMetadata = $this->img->formatMetadata();
  56                         $showmeta = $formattedMetadata !== false;
  57                 } else {
  58                         $showmeta = false;
  59                 }
  60
  61                 if ($this->img->exists())
  62                         $wgOut->addHTML($this->showTOC($showmeta));
  63
  64                 $this->openShowImage();
  65
  66                 # No need to display noarticletext, we use our own message, output in openShowImage()
  67                 if ( $this->getID() ) {
  68                         Article::view();
  69                 } else {
  70                         # Just need to set the right headers
  71                         $wgOut->setArticleFlag( true );
  72                         $wgOut->setRobotpolicy( 'noindex,nofollow' );
  73                         $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
  74                         $this->viewUpdates();
  75                 }
  76
  77                 # Show shared description, if needed
  78                 if ( $this->mExtraDescription ) {
  79                         $fol = wfMsg( 'shareddescriptionfollows' );
  80                         if( $fol != '-' && !wfEmptyMsg( 'shareddescriptionfollows', $fol ) ) {
  81                                 $wgOut->addWikiText( $fol );
  82                         }
  83                         $wgOut->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . '</div>' );
  84                 }
  85
  86                 $this->closeShowImage();
  87                 $this->imageHistory();
  88                 $this->imageLinks();
  89
  90                 if ( $showmeta ) {
  91                         global $wgStylePath, $wgStyleVersion;
  92                         $expand = htmlspecialchars( wfEscapeJsString( wfMsg( 'metadata-expand' ) ) );
  93                         $collapse = htmlspecialchars( wfEscapeJsString( wfMsg( 'metadata-collapse' ) ) );
  94                         $wgOut->addHTML( Xml::element( 'h2', array( 'id' => 'metadata' ), wfMsg( 'metadata' ) ). "\n" );
  95                         $wgOut->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
  96                         $wgOut->addHTML(
  97                                 "<script type=\"text/javascript\" src=\"$wgStylePath/common/metadata.js?$wgStyleVersion\"></script>\n" .
  98                                 "<script type=\"text/javascript\">attachMetadataToggle('mw_metadata', '$expand', '$collapse');</script>\n" );
  99                 }
 100         }
 101
 102         /**
 103          * Create the TOC
 104          *
 105          * @access private
 106          *
 107          * @param bool $metadata Whether or not to show the metadata link
 108          * @return string
 109          */
 110         function showTOC( $metadata ) {
 111                 global $wgLang;
 112                 $r = '<ul id="filetoc">
 113                         <li><a href="#file">' . $wgLang->getNsText( NS_IMAGE ) . '</a></li>
 114                         <li><a href="#filehistory">' . wfMsgHtml( 'filehist' ) . '</a></li>
 115                         <li><a href="#filelinks">' . wfMsgHtml( 'imagelinks' ) . '</a></li>' .
 116                         ($metadata ? ' <li><a href="#metadata">' . wfMsgHtml( 'metadata' ) . '</a></li>' : '') . '
 117                 </ul>';
 118                 return $r;
 119         }
 120
 121         /**
 122          * Make a table with metadata to be shown in the output page.
 123          *
 124          * FIXME: bad interface, see note on MediaHandler::formatMetadata().
 125          *
 126          * @access private
 127          *
 128          * @param array $exif The array containing the EXIF data
 129          * @return string
 130          */
 131         function makeMetadataTable( $metadata ) {
 132                 $r = wfMsg( 'metadata-help' ) . "\n\n";
 133                 $r .= "{| id=mw_metadata class=mw_metadata\n";
 134                 foreach ( $metadata as $type => $stuff ) {
 135                         foreach ( $stuff as $v ) {
 136                                 $class = Sanitizer::escapeId( $v['id'] );
 137                                 if( $type == 'collapsed' ) {
 138                                         $class .= ' collapsable';
 139                                 }
 140                                 $r .= "|- class=\"$class\"\n";
 141                                 $r .= "!| {$v['name']}\n";
 142                                 $r .= "|| {$v['value']}\n";
 143                         }
 144                 }
 145                 $r .= '|}';
 146                 return $r;
 147         }
 148
 149         /**
 150          * Overloading Article's getContent method.
 151          *
 152          * Omit noarticletext if sharedupload; text will be fetched from the
 153          * shared upload server if possible.
 154          */
 155         function getContent() {
 156                 if( $this->img && !$this->img->isLocal() && 0 == $this->getID() ) {
 157                         return '';
 158                 }
 159                 return Article::getContent();
 160         }
 161
 162         function openShowImage() {
 163                 global $wgOut, $wgUser, $wgImageLimits, $wgRequest, $wgLang, $wgContLang;
 164
 165                 $full_url  = $this->img->getURL();
 166                 $linkAttribs = false;
 167                 $sizeSel = intval( $wgUser->getOption( 'imagesize') );
 168                 if( !isset( $wgImageLimits[$sizeSel] ) ) {
 169                         $sizeSel = User::getDefaultOption( 'imagesize' );
 170
 171                         // The user offset might still be incorrect, specially if
 172                         // $wgImageLimits got changed (see bug #8858).
 173                         if( !isset( $wgImageLimits[$sizeSel] ) ) {
 174                                 // Default to the first offset in $wgImageLimits
 175                                 $sizeSel = 0;
 176                         }
 177                 }
 178                 $max = $wgImageLimits[$sizeSel];
 179                 $maxWidth = $max[0];
 180                 $maxHeight = $max[1];
 181                 $sk = $wgUser->getSkin();
 182                 $dirmark = $wgContLang->getDirMark();
 183
 184                 if ( $this->img->exists() ) {
 185                         # image
 186                         $page = $wgRequest->getIntOrNull( 'page' );
 187                         if ( is_null( $page ) ) {
 188                                 $params = array();
 189                                 $page = 1;
 190                         } else {
 191                                 $params = array( 'page' => $page );
 192                         }
 193                         $width_orig = $this->img->getWidth();
 194                         $width = $width_orig;
 195                         $height_orig = $this->img->getHeight();
 196                         $height = $height_orig;
 197                         $mime = $this->img->getMimeType();
 198                         $showLink = false;
 199                         $linkAttribs = array( 'href' => $full_url );
 200                         $longDesc = $this->img->getLongDesc();
 201
 202                         wfRunHooks( 'ImageOpenShowImageInlineBefore', array( &$this , &$wgOut ) )       ;
 203
 204                         if ( $this->img->allowInlineDisplay() ) {
 205                                 # image
 206
 207                                 # "Download high res version" link below the image
 208                                 #$msgsize = wfMsgHtml('file-info-size', $width_orig, $height_orig, $sk->formatSize( $this->img->getSize() ), $mime );
 209                                 # We'll show a thumbnail of this image
 210                                 if ( $width > $maxWidth || $height > $maxHeight ) {
 211                                         # Calculate the thumbnail size.
 212                                         # First case, the limiting factor is the width, not the height.
 213                                         if ( $width / $height >= $maxWidth / $maxHeight ) {
 214                                                 $height = round( $height * $maxWidth / $width);
 215                                                 $width = $maxWidth;
 216                                                 # Note that $height <= $maxHeight now.
 217                                         } else {
 218                                                 $newwidth = floor( $width * $maxHeight / $height);
 219                                                 $height = round( $height * $newwidth / $width );
 220                                                 $width = $newwidth;
 221                                                 # Note that $height <= $maxHeight now, but might not be identical
 222                                                 # because of rounding.
 223                                         }
 224                                         $msgbig  = wfMsgHtml( 'show-big-image' );
 225                                         $msgsmall = wfMsgExt( 'show-big-image-thumb',
 226                                                 array( 'parseinline' ), $wgLang->formatNum( $width ), $wgLang->formatNum( $height ) );
 227                                 } else {
 228                                         # Image is small enough to show full size on image page
 229                                         $msgbig = htmlspecialchars( $this->img->getName() );
 230                                         $msgsmall = wfMsgExt( 'file-nohires', array( 'parseinline' ) );
 231                                 }
 232
 233                                 $params['width'] = $width;
 234                                 $thumbnail = $this->img->transform( $params );
 235
 236                                 $anchorclose = "<br />";
 237                                 if( $this->img->mustRender() ) {
 238                                         $showLink = true;
 239                                 } else {
 240                                         $anchorclose .=
 241                                                 $msgsmall .
 242                                                 '<br />' . Xml::tags( 'a', $linkAttribs,  $msgbig ) . "$dirmark " . $longDesc;
 243                                 }
 244
 245                                 if ( $this->img->isMultipage() ) {
 246                                         $wgOut->addHTML( '<table class="multipageimage"><tr><td>' );
 247                                 }
 248
 249                                 if ( $thumbnail ) {
 250                                         $options = array(
 251                                                 'alt' => $this->img->getTitle()->getPrefixedText(),
 252                                                 'file-link' => true,
 253                                         );
 254                                         $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
 255                                                 $thumbnail->toHtml( $options ) .
 256                                                 $anchorclose . '</div>' );
 257                                 }
 258
 259                                 if ( $this->img->isMultipage() ) {
 260                                         $count = $this->img->pageCount();
 261
 262                                         if ( $page > 1 ) {
 263                                                 $label = $wgOut->parse( wfMsg( 'imgmultipageprev' ), false );
 264                                                 $link = $sk->makeKnownLinkObj( $this->mTitle, $label, 'page='. ($page-1) );
 265                                                 $thumb1 = $sk->makeThumbLinkObj( $this->mTitle, $this->img, $link, $label, 'none',
 266                                                         array( 'page' => $page - 1 ) );
 267                                         } else {
 268                                                 $thumb1 = '';
 269                                         }
 270
 271                                         if ( $page < $count ) {
 272                                                 $label = wfMsg( 'imgmultipagenext' );
 273                                                 $link = $sk->makeKnownLinkObj( $this->mTitle, $label, 'page='. ($page+1) );
 274                                                 $thumb2 = $sk->makeThumbLinkObj( $this->mTitle, $this->img, $link, $label, 'none',
 275                                                         array( 'page' => $page + 1 ) );
 276                                         } else {
 277                                                 $thumb2 = '';
 278                                         }
 279
 280                                         global $wgScript;
 281                                         $select = '<form name="pageselector" action="' .
 282                                                 htmlspecialchars( $wgScript ) .
 283                                                 '" method="get" onchange="document.pageselector.submit();">' .
 284                                                 Xml::hidden( 'title', $this->getTitle()->getPrefixedDbKey() );
 285                                         $select .= $wgOut->parse( wfMsg( 'imgmultigotopre' ), false ) .
 286                                                 ' <select id="pageselector" name="page">';
 287                                         for ( $i=1; $i <= $count; $i++ ) {
 288                                                 $select .= Xml::option( $wgLang->formatNum( $i ), $i,
 289                                                         $i == $page );
 290                                         }
 291                                         $select .= '</select>' . $wgOut->parse( wfMsg( 'imgmultigotopost' ), false ) .
 292                                                 '<input type="submit" value="' .
 293                                                 htmlspecialchars( wfMsg( 'imgmultigo' ) ) . '"></form>';
 294
 295                                         $wgOut->addHTML( '</td><td><div class="multipageimagenavbox">' .
 296                                                 "$select<hr />$thumb1\n$thumb2<br clear=\"all\" /></div></td></tr></table>" );
 297                                 }
 298                         } else {
 299                                 #if direct link is allowed but it's not a renderable image, show an icon.
 300                                 if ($this->img->isSafeFile()) {
 301                                         $icon= $this->img->iconThumb();
 302
 303                                         $wgOut->addHTML( '<div class="fullImageLink" id="file">' .
 304                                         $icon->toHtml( array( 'desc-link' => true ) ) .
 305                                         '</div>' );
 306                                 }
 307
 308                                 $showLink = true;
 309                         }
 310
 311
 312                         if ($showLink) {
 313                                 $filename = wfEscapeWikiText( $this->img->getName() );
 314
 315                                 if (!$this->img->isSafeFile()) {
 316                                         $warning = wfMsg( 'mediawarning' );
 317                                         $wgOut->addWikiText( <<<EOT
 318 <div class="fullMedia">
 319 <span class="dangerousLink">[[Media:$filename|$filename]]</span>$dirmark
 320 <span class="fileInfo"> $longDesc</span>
 321 </div>
 322
 323 <div class="mediaWarning">$warning</div>
 324 EOT
 325                                                 );
 326                                 } else {
 327                                         $wgOut->addWikiText( <<<EOT
 328 <div class="fullMedia">
 329 [[Media:$filename|$filename]]$dirmark <span class="fileInfo"> $longDesc</span>
 330 </div>
 331 EOT
 332                                                 );
 333                                 }
 334                         }
 335
 336                         if(!$this->img->isLocal()) {
 337                                 $this->printSharedImageText();
 338                         }
 339                 } else {
 340                         # Image does not exist
 341
 342                         $title = SpecialPage::getTitleFor( 'Upload' );
 343                         $link = $sk->makeKnownLinkObj($title, wfMsgHtml('noimage-linktext'),
 344                                 'wpDestFile=' . urlencode( $this->img->getName() ) );
 345                         $wgOut->addHTML( wfMsgWikiHtml( 'noimage', $link ) );
 346                 }
 347         }
 348
 349         function printSharedImageText() {
 350                 global $wgOut, $wgUser;
 351
 352                 $descUrl = $this->img->getDescriptionUrl();
 353                 $descText = $this->img->getDescriptionText();
 354                 $s = "<div class='sharedUploadNotice'>" . wfMsgWikiHtml("sharedupload");
 355                 if ( $descUrl && !$descText) {
 356                         $sk = $wgUser->getSkin();
 357                         $link = $sk->makeExternalLink( $descUrl, wfMsg('shareduploadwiki-linktext') );
 358                         $s .= " " . wfMsgWikiHtml('shareduploadwiki', $link);
 359                 }
 360                 $s .= "</div>";
 361                 $wgOut->addHTML($s);
 362
 363                 if ( $descText ) {
 364                         $this->mExtraDescription = $descText;
 365                 }
 366         }
 367
 368         function getUploadUrl() {
 369                 global $wgServer;
 370                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 371                 return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
 372         }
 373
 374         /**
 375          * Print out the various links at the bottom of the image page, e.g. reupload,
 376          * external editing (and instructions link) etc.
 377          */
 378         function uploadLinksBox() {
 379                 global $wgUser, $wgOut;
 380
 381                 if( !$this->img->isLocal() )
 382                         return;
 383
 384                 $sk = $wgUser->getSkin();
 385
 386                 $wgOut->addHtml( '<br /><ul>' );
 387
 388                 # "Upload a new version of this file" link
 389                 if( UploadForm::userCanReUpload($wgUser,$this->img->name) ) {
 390                         $ulink = $sk->makeExternalLink( $this->getUploadUrl(), wfMsg( 'uploadnewversion-linktext' ) );
 391                         $wgOut->addHtml( "<li><div class='plainlinks'>{$ulink}</div></li>" );
 392                 }
 393
 394                 # External editing link
 395                 $elink = $sk->makeKnownLinkObj( $this->mTitle, wfMsgHtml( 'edit-externally' ), 'action=edit&externaledit=true&mode=file' );
 396                 $wgOut->addHtml( '<li>' . $elink . '<div>' . wfMsgWikiHtml( 'edit-externally-help' ) . '</div></li>' );
 397
 398                 $wgOut->addHtml( '</ul>' );
 399         }
 400
 401         function closeShowImage()
 402         {
 403                 # For overloading
 404
 405         }
 406
 407         /**
 408          * If the page we've just displayed is in the "Image" namespace,
 409          * we follow it with an upload history of the image and its usage.
 410          */
 411         function imageHistory()
 412         {
 413                 global $wgUser, $wgOut, $wgUseExternalEditor;
 414
 415                 $sk = $wgUser->getSkin();
 416
 417                 if ( $this->img->exists() ) {
 418                         $list = new ImageHistoryList( $sk, $this->current );
 419                         $file = $this->current;
 420                         $dims = $file->getDimensionsString();
 421                         $s = $list->beginImageHistoryList() .
 422                                 $list->imageHistoryLine( true, wfTimestamp(TS_MW, $file->getTimestamp()),
 423                                         $this->mTitle->getDBkey(),  $file->getUser('id'),
 424                                         $file->getUser('text'), $file->getSize(), $file->getDescription(),
 425                                         $dims
 426                                 );
 427
 428                         $hist = $this->img->getHistory();
 429                         foreach( $hist as $file ) {
 430                                 $dims = $file->getDimensionsString();
 431                                 $s .= $list->imageHistoryLine( false, wfTimestamp(TS_MW, $file->getTimestamp()),
 432                                         $file->getArchiveName(), $file->getUser('id'),
 433                                         $file->getUser('text'), $file->getSize(), $file->getDescription(),
 434                                         $dims
 435                                 );
 436                         }
 437                         $s .= $list->endImageHistoryList();
 438                 } else { $s=''; }
 439                 $wgOut->addHTML( $s );
 440
 441                 $this->img->resetHistory();     // free db resources
 442
 443                 # Exist check because we don't want to show this on pages where an image
 444                 # doesn't exist along with the noimage message, that would suck. -ævar
 445                 if( $wgUseExternalEditor && $this->img->exists() ) {
 446                         $this->uploadLinksBox();
 447                 }
 448
 449         }
 450
 451         function imageLinks()
 452         {
 453                 global $wgUser, $wgOut;
 454
 455                 $wgOut->addHTML( Xml::element( 'h2', array( 'id' => 'filelinks' ), wfMsg( 'imagelinks' ) ) . "\n" );
 456
 457                 $dbr = wfGetDB( DB_SLAVE );
 458                 $page = $dbr->tableName( 'page' );
 459                 $imagelinks = $dbr->tableName( 'imagelinks' );
 460
 461                 $sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
 462                   $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id";
 463                 $sql = $dbr->limitResult($sql, 500, 0);
 464                 $res = $dbr->query( $sql, "ImagePage::imageLinks" );
 465
 466                 if ( 0 == $dbr->numRows( $res ) ) {
 467                         $wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
 468                         return;
 469                 }
 470                 $wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
 471
 472                 $sk = $wgUser->getSkin();
 473                 while ( $s = $dbr->fetchObject( $res ) ) {
 474                         $name = Title::MakeTitle( $s->page_namespace, $s->page_title );
 475                         $link = $sk->makeKnownLinkObj( $name, "" );
 476                         $wgOut->addHTML( "<li>{$link}</li>\n" );
 477                 }
 478                 $wgOut->addHTML( "</ul>\n" );
 479         }
 480
 481         /**
 482          * Delete the file, or an earlier version of it
 483          */
 484         public function delete() {
 485                 if( !$this->img->exists() || !$this->img->isLocal() ) {
 486                         // Standard article deletion
 487                         Article::delete();
 488                         return;
 489                 }
 490                 $deleter = new FileDeleteForm( $this->img );
 491                 $deleter->execute();
 492         }
 493
 494         /**
 495          * Revert the file to an earlier version
 496          */
 497         public function revert() {
 498                 $reverter = new FileRevertForm( $this->img );
 499                 $reverter->execute();
 500         }
 501
 502         /**
 503          * Override handling of action=purge
 504          */
 505         function doPurge() {
 506                 if( $this->img->exists() ) {
 507                         wfDebug( "ImagePage::doPurge purging " . $this->img->getName() . "\n" );
 508                         $update = new HTMLCacheUpdate( $this->mTitle, 'imagelinks' );
 509                         $update->doUpdate();
 510                         $this->img->upgradeRow();
 511                         $this->img->purgeCache();
 512                 } else {
 513                         wfDebug( "ImagePage::doPurge no image\n" );
 514                 }
 515                 parent::doPurge();
 516         }
 517
 518         /**
 519          * Display an error with a wikitext description
 520          */
 521         function showError( $description ) {
 522                 global $wgOut;
 523                 $wgOut->setPageTitle( wfMsg( "internalerror" ) );
 524                 $wgOut->setRobotpolicy( "noindex,nofollow" );
 525                 $wgOut->setArticleRelated( false );
 526                 $wgOut->enableClientCache( false );
 527                 $wgOut->addWikiText( $description );
 528         }
 529
 530 }
 531
 532 /**
 533  * Builds the image revision log shown on image pages
 534  *
 535  * @addtogroup Media
 536  */
 537 class ImageHistoryList {
 538
 539         protected $img, $skin, $title, $repo;
 540
 541         public function __construct( $skin, $img ) {
 542                 $this->skin = $skin;
 543                 $this->img = $img;
 544                 $this->title = $img->getTitle();
 545         }
 546
 547         public function beginImageHistoryList() {
 548                 global $wgOut, $wgUser;
 549                 return Xml::element( 'h2', array( 'id' => 'filehistory' ), wfMsg( 'filehist' ) )
 550                         . $wgOut->parse( wfMsgNoTrans( 'filehist-help' ) )
 551                         . Xml::openElement( 'table', array( 'class' => 'filehistory' ) ) . "\n"
 552                         . '<tr><td></td>'
 553                         . ( $this->img->isLocal() && $wgUser->isAllowed( 'delete' ) ? '<td></td>' : '' )
 554                         . '<th>' . wfMsgHtml( 'filehist-datetime' ) . '</th>'
 555                         . '<th>' . wfMsgHtml( 'filehist-user' ) . '</th>'
 556                         . '<th>' . wfMsgHtml( 'filehist-dimensions' ) . '</th>'
 557                         . '<th class="mw-imagepage-filesize">' . wfMsgHtml( 'filehist-filesize' ) . '</th>'
 558                         . '<th>' . wfMsgHtml( 'filehist-comment' ) . '</th>'
 559                         . "</tr>\n";
 560         }
 561
 562         public function endImageHistoryList() {
 563                 return "</table>\n";
 564         }
 565
 566         /**
 567          * Create one row of file history
 568          *
 569          * @param bool $iscur is this the current file version?
 570          * @param string $timestamp timestamp of file version
 571          * @param string $img filename
 572          * @param int $user ID of uploading user
 573          * @param string $usertext username of uploading user
 574          * @param int $size size of file version
 575          * @param string $description description of file version
 576          * @param string $dims dimensions of file version
 577          * @return string a HTML formatted table row
 578          */
 579         public function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description, $dims ) {
 580                 global $wgUser, $wgLang, $wgContLang;
 581                 $local = $this->img->isLocal();
 582                 $row = '';
 583
 584                 // Deletion link
 585                 if( $local && $wgUser->isAllowed( 'delete' ) ) {
 586                         $row .= '<td>';
 587                         $q = array();
 588                         $q[] = 'action=delete';
 589                         if( !$iscur )
 590                                 $q[] = 'oldimage=' . urlencode( $img );
 591                         $row .= $this->skin->makeKnownLinkObj(
 592                                 $this->title,
 593                                 wfMsgHtml( $iscur ? 'filehist-deleteall' : 'filehist-deleteone' ),
 594                                 implode( '&', $q )
 595                         );
 596                         $row .= '</td>';
 597                 }
 598
 599                 // Reversion link/current indicator
 600                 $row .= '<td>';
 601                 if( $iscur ) {
 602                         $row .= wfMsgHtml( 'filehist-current' );
 603                 } elseif( $local && $wgUser->isLoggedIn() && $this->title->userCan( 'edit' ) ) {
 604                         $q = array();
 605                         $q[] = 'action=revert';
 606                         $q[] = 'oldimage=' . urlencode( $img );
 607                         $q[] = 'wpEditToken=' . urlencode( $wgUser->editToken( $img ) );
 608                         $row .= $this->skin->makeKnownLinkObj(
 609                                 $this->title,
 610                                 wfMsgHtml( 'filehist-revert' ),
 611                                 implode( '&', $q )
 612                         );
 613                 }
 614                 $row .= '</td>';
 615
 616                 // Date/time and image link
 617                 $row .= '<td>';
 618                 $url = $iscur ? $this->img->getUrl() : $this->img->getArchiveUrl( $img );
 619                 $row .= Xml::element(
 620                         'a',
 621                         array( 'href' => $url ),
 622                         $wgLang->timeAndDate( $timestamp, true )
 623                 );
 624                 $row .= '</td>';
 625
 626                 // Uploading user
 627                 $row .= '<td>';
 628                 if( $local ) {
 629                         $row .= $this->skin->userLink( $user, $usertext ) . $this->skin->userToolLinks( $user, $usertext );
 630                 } else {
 631                         $row .= htmlspecialchars( $usertext );
 632                 }
 633                 $row .= '</td>';
 634
 635                 // Image dimensions
 636                 $row .= '<td>' . htmlspecialchars( $dims ) . '</td>';
 637
 638                 // File size
 639                 $row .= '<td class="mw-imagepage-filesize">' . $this->skin->formatSize( $size ) . '</td>';
 640
 641                 // Comment
 642                 $row .= '<td>' . $this->skin->formatComment( $description, $this->title ) . '</td>';
 643
 644                 return "<tr>{$row}</tr>\n";
 645         }
 646
 647 }