mTitle->getNamespace() ) { $this->openShowCategory(); } Article::view(); # If the article we've just shown is in the "Image" namespace, # follow it with the history list and link list for the image # it describes. if ( NS_CATEGORY == $this->mTitle->getNamespace() ) { $this->closeShowCategory(); } } function openShowCategory() { # For overloading } function closeShowCategory() { global $wgOut, $wgRequest; $from = $wgRequest->getVal( 'from' ); $until = $wgRequest->getVal( 'until' ); $wgOut->addHTML( $this->doCategoryMagic( $from, $until ) ); } /** * Format the category data list. * * @param string $from -- return only sort keys from this item on * @param string $until -- don't return keys after this point. * @return string HTML output * @private */ function doCategoryMagic( $from = '', $until = '' ) { global $wgOut; global $wgContLang,$wgUser, $wgCategoryMagicGallery, $wgCategoryPagingLimit; $fname = 'CategoryPage::doCategoryMagic'; wfProfileIn( $fname ); $articles = array(); $articles_start_char = array(); $children = array(); $children_start_char = array(); $showGallery = $wgCategoryMagicGallery && !$wgOut->mNoGallery; if( $showGallery ) { $ig = new ImageGallery(); $ig->setParsing(); } $dbr =& wfGetDB( DB_SLAVE ); if( $from != '' ) { $pageCondition = 'cl_sortkey >= ' . $dbr->addQuotes( $from ); $flip = false; } elseif( $until != '' ) { $pageCondition = 'cl_sortkey < ' . $dbr->addQuotes( $until ); $flip = true; } else { $pageCondition = '1 = 1'; $flip = false; } $limit = $wgCategoryPagingLimit; $res = $dbr->select( array( 'page', 'categorylinks' ), array( 'page_title', 'page_namespace', 'page_len', 'cl_sortkey' ), array( $pageCondition, 'cl_from = page_id', 'cl_to' => $this->mTitle->getDBKey()), #'page_is_redirect' => 0), #+ $pageCondition, $fname, array( 'ORDER BY' => $flip ? 'cl_sortkey DESC' : 'cl_sortkey', 'LIMIT' => $limit + 1 ) ); $sk =& $wgUser->getSkin(); $r = "
\n"; $count = 0; $nextPage = null; while( $x = $dbr->fetchObject ( $res ) ) { if( ++$count > $limit ) { // We've reached the one extra which shows that there are // additional pages to be had. Stop here... $nextPage = $x->cl_sortkey; break; } $title = Title::makeTitle( $x->page_namespace, $x->page_title ); if( $title->getNamespace() == NS_CATEGORY ) { // Subcategory; strip the 'Category' namespace from the link text. array_push( $children, $sk->makeKnownLinkObj( $title, $wgContLang->convertHtml( $title->getText() ) ) ); // If there's a link from Category:A to Category:B, the sortkey of the resulting // entry in the categorylinks table is Category:A, not A, which it SHOULD be. // Workaround: If sortkey == "Category:".$title, than use $title for sorting, // else use sortkey... $sortkey=''; if( $title->getPrefixedText() == $x->cl_sortkey ) { $sortkey=$wgContLang->firstChar( $x->page_title ); } else { $sortkey=$wgContLang->firstChar( $x->cl_sortkey ); } array_push( $children_start_char, $wgContLang->convert( $sortkey ) ) ; } elseif( $showGallery && $title->getNamespace() == NS_IMAGE ) { // Show thumbnails of categorized images, in a separate chunk if( $flip ) { $ig->insert( Image::newFromTitle( $title ) ); } else { $ig->add( Image::newFromTitle( $title ) ); } } else { // Page in this category array_push( $articles, $sk->makeSizeLinkObj( $x->page_len, $title, $wgContLang->convert( $title->getPrefixedText() ) ) ) ; array_push( $articles_start_char, $wgContLang->convert( $wgContLang->firstChar( $x->cl_sortkey ) ) ); } } $dbr->freeResult( $res ); if( $flip ) { $children = array_reverse( $children ); $children_start_char = array_reverse( $children_start_char ); $articles = array_reverse( $articles ); $articles_start_char = array_reverse( $articles_start_char ); } if( $until != '' ) { $r .= $this->pagingLinks( $this->mTitle, $nextPage, $until, $limit ); } elseif( $nextPage != '' || $from != '' ) { $r .= $this->pagingLinks( $this->mTitle, $from, $nextPage, $limit ); } # Don't show subcategories section if there are none. if( count( $children ) > 0 ) { # Showing subcategories $r .= '

' . wfMsg( 'subcategories' ) . "

\n"; $r .= wfMsgExt( 'subcategorycount', array( 'parse' ), count( $children) ); $r .= $this->formatList( $children, $children_start_char ); } # Showing articles in this category $ti = htmlspecialchars( $this->mTitle->getText() ); $r .= '

' . wfMsg( 'category_header', $ti ) . "

\n"; $r .= wfMsgExt( 'categoryarticlecount', array( 'parse' ), count( $articles) ); $r .= $this->formatList( $articles, $articles_start_char ); if( $showGallery && ! $ig->isEmpty() ) { $r.= $ig->toHTML(); } if( $until != '' ) { $r .= $this->pagingLinks( $this->mTitle, $nextPage, $until, $limit ); } elseif( $nextPage != '' || $from != '' ) { $r .= $this->pagingLinks( $this->mTitle, $from, $nextPage, $limit ); } wfProfileOut( $fname ); return $r; } /** * Format a list of articles chunked by letter, either as a * bullet list or a columnar format, depending on the length. * * @param array $articles * @param array $articles_start_char * @param int $cutoff * @return string * @private */ function formatList( $articles, $articles_start_char, $cutoff = 6 ) { if ( count ( $articles ) > $cutoff ) { return $this->columnList( $articles, $articles_start_char ); } elseif ( count($articles) > 0) { // for short lists of articles in categories. return $this->shortList( $articles, $articles_start_char ); } return ''; } /** * Format a list of articles chunked by letter in a three-column * list, ordered vertically. * * @param array $articles * @param array $articles_start_char * @return string * @private */ function columnList( $articles, $articles_start_char ) { // divide list into three equal chunks $chunk = (int) (count ( $articles ) / 3); // get and display header $r = ''; $prev_start_char = 'none'; // loop through the chunks for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0; $chunkIndex < 3; $chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1) { $r .= "\n"; } $r .= '
\n"; $atColumnTop = true; // output all articles in category for ($index = $startChunk ; $index < $endChunk && $index < count($articles); $index++ ) { // check for change of starting letter or begining of chunk if ( ($index == $startChunk) || ($articles_start_char[$index] != $articles_start_char[$index - 1]) ) { if( $atColumnTop ) { $atColumnTop = false; } else { $r .= "\n"; } $cont_msg = ""; if ( $articles_start_char[$index] == $prev_start_char ) $cont_msg = wfMsgHtml('listingcontinuesabbrev'); $r .= "

" . htmlspecialchars( $articles_start_char[$index] ) . "$cont_msg

\n
    "; $prev_start_char = $articles_start_char[$index]; } $r .= "
  • {$articles[$index]}
    • "; } if( !$atColumnTop ) { $r .= "
\n"; } $r .= "
'; return $r; } /** * Format a list of articles chunked by letter in a bullet list. * @param array $articles * @param array $articles_start_char * @return string * @private */ function shortList( $articles, $articles_start_char ) { $r = '

' . htmlspecialchars( $articles_start_char[0] ) . "

\n"; $r .= '

" . htmlspecialchars( $articles_start_char[$index] ) . "

\n'; return $r; } /** * @param Title $title * @param string $first * @param string $last * @param int $limit * @param array $query - additional query options to pass * @return string * @private */ function pagingLinks( $title, $first, $last, $limit, $query = array() ) { global $wgUser, $wgLang; $sk =& $wgUser->getSkin(); $limitText = $wgLang->formatNum( $limit ); $prevLink = htmlspecialchars( wfMsg( 'prevn', $limitText ) ); if( $first != '' ) { $prevLink = $sk->makeLinkObj( $title, $prevLink, wfArrayToCGI( $query + array( 'until' => $first ) ) ); } $nextLink = htmlspecialchars( wfMsg( 'nextn', $limitText ) ); if( $last != '' ) { $nextLink = $sk->makeLinkObj( $title, $nextLink, wfArrayToCGI( $query + array( 'from' => $last ) ) ); } return "($prevLink) ($nextLink)"; } } ?>