From 183851b06bd6c52f3cae5375f433da720d410447 Mon Sep 17 00:00:00 2001 From: Pierre Schmitz Date: Wed, 11 Oct 2006 18:12:39 +0000 Subject: MediaWiki 1.7.1 wiederhergestellt --- includes/CategoryPage.php | 315 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 315 insertions(+) create mode 100644 includes/CategoryPage.php (limited to 'includes/CategoryPage.php') diff --git a/includes/CategoryPage.php b/includes/CategoryPage.php new file mode 100644 index 00000000..53d69971 --- /dev/null +++ b/includes/CategoryPage.php @@ -0,0 +1,315 @@ +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)"; + } +} + + +?> -- cgit v1.2.2