<?php
/**
- * Special handling for category description pages
- * Modelled after ImagePage.php
+ * Class for viewing MediaWiki category description pages.
+ * Modelled after ImagePage.php.
*
- * @package MediaWiki
+ * @file
*/
-
-if( !defined( 'MEDIAWIKI' ) )
- die();
-if( $wgCategoryMagicGallery )
- require_once('ImageGallery.php');
+if ( !defined( 'MEDIAWIKI' ) )
+ die( 1 );
/**
- * @package MediaWiki
+ * Special handling for category description pages, showing pages,
+ * subcategories and file that belong to the category
*/
class CategoryPage extends Article {
+ # Subclasses can change this to override the viewer class.
+ protected $mCategoryViewerClass = 'CategoryViewer';
+
+ protected function newPage( Title $title ) {
+ // Overload mPage with a category-specific page
+ return new WikiCategoryPage( $title );
+ }
+
+ /**
+ * Constructor from a page id
+ * @param $id Int article ID to load
+ */
+ public static function newFromID( $id ) {
+ $t = Title::newFromID( $id );
+ # @todo FIXME: Doesn't inherit right
+ return $t == null ? null : new self( $t );
+ # return $t == null ? null : new static( $t ); // PHP 5.3
+ }
function view() {
+ global $wgRequest, $wgUser;
+
+ $diff = $wgRequest->getVal( 'diff' );
+ $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
+
+ if ( isset( $diff ) && $diffOnly ) {
+ return parent::view();
+ }
+
+ if ( !wfRunHooks( 'CategoryPageView', array( &$this ) ) ) {
+ return;
+ }
+
if ( NS_CATEGORY == $this->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.
+ parent::view();
if ( NS_CATEGORY == $this->mTitle->getNamespace() ) {
$this->closeShowCategory();
function openShowCategory() {
# For overloading
}
-
- # generate a list of subcategories and pages for a category
- # depending on wfMsg("usenewcategorypage") it either calls the new
- # or the old code. The new code will not work properly for some
- # languages due to sorting issues, so they might want to turn it
- # off.
function closeShowCategory() {
- global $wgOut;
- $msg = wfMsg('usenewcategorypage');
- if ( '0' == @$msg[0] )
- {
- $wgOut->addHTML( $this->oldCategoryMagic() );
- } else {
- $wgOut->addHTML( $this->newCategoryMagic() );
- }
- }
+ global $wgOut, $wgRequest;
- # This method generates the list of subcategories and pages for a category
- function oldCategoryMagic () {
- global $wgContLang, $wgUser ;
- $fname = 'CategoryPage::oldCategoryMagic';
+ // Use these as defaults for back compat --catrope
+ $oldFrom = $wgRequest->getVal( 'from' );
+ $oldUntil = $wgRequest->getVal( 'until' );
+
+ $from = $until = array();
+ foreach ( array( 'page', 'subcat', 'file' ) as $type ) {
+ $from[$type] = $wgRequest->getVal( "{$type}from", $oldFrom );
+ $until[$type] = $wgRequest->getVal( "{$type}until", $oldUntil );
+ }
+ $viewer = new $this->mCategoryViewerClass( $this->mTitle, $from, $until, $wgRequest->getValues() );
+ $wgOut->addHTML( $viewer->getHTML() );
+ }
+}
- $sk =& $wgUser->getSkin() ;
+class CategoryViewer {
+ var $limit, $from, $until,
+ $articles, $articles_start_char,
+ $children, $children_start_char,
+ $showGallery, $imgsNoGalley,
+ $imgsNoGallery_start_char,
+ $imgsNoGallery;
+
+ /**
+ * @var
+ */
+ var $nextPage;
+
+ /**
+ * @var Array
+ */
+ var $flip;
+
+ /**
+ * @var Title
+ */
+ var $title;
+
+ /**
+ * @var Collation
+ */
+ var $collation;
+
+ /**
+ * @var ImageGallery
+ */
+ var $gallery;
+
+ /**
+ * Category object for this page
+ * @var Category
+ */
+ private $cat;
+
+ /**
+ * The original query array, to be used in generating paging links.
+ * @var array
+ */
+ private $query;
+
+ function __construct( $title, $from = '', $until = '', $query = array() ) {
+ global $wgCategoryPagingLimit;
+ $this->title = $title;
+ $this->from = $from;
+ $this->until = $until;
+ $this->limit = $wgCategoryPagingLimit;
+ $this->cat = Category::newFromTitle( $title );
+ $this->query = $query;
+ $this->collation = Collation::singleton();
+ unset( $this->query['title'] );
+ }
- $articles = array() ;
- $children = array() ;
- $r = '';
- $id = $this->mTitle->getArticleID() ;
-
- # FIXME: add limits
- $dbr =& wfGetDB( DB_SLAVE );
- $page = $dbr->tableName( 'page' );
- $categorylinks = $dbr->tableName( 'categorylinks' );
-
- $t = $dbr->strencode( $this->mTitle->getDBKey() );
- $sql = "SELECT DISTINCT page_title, page_namespace FROM $page,$categorylinks " .
- "WHERE cl_to='$t' AND cl_from=page_id AND page_is_redirect=0 ORDER BY cl_sortkey" ;
- $res = $dbr->query( $sql, $fname ) ;
- # For all pages that link to this category
- while ( $x = $dbr->fetchObject ( $res ) )
- {
- $t = $wgContLang->getNsText ( $x->page_namespace ) ;
- if ( $t != '' ) $t .= ':' ;
- $t .= $x->page_title ;
-
- if ( $x->page_namespace == NS_CATEGORY ) {
- array_push ( $children , $sk->makeLink ( $t ) ) ; # Subcategory
- } else {
- array_push ( $articles , $sk->makeLink ( $t ) ) ; # Page in this category
- }
+ /**
+ * Format the category data list.
+ *
+ * @return string HTML output
+ */
+ public function getHTML() {
+ global $wgOut, $wgCategoryMagicGallery;
+ wfProfileIn( __METHOD__ );
+
+ $this->showGallery = $wgCategoryMagicGallery && !$wgOut->mNoGallery;
+
+ $this->clearCategoryState();
+ $this->doCategoryQuery();
+ $this->finaliseCategoryState();
+
+ $r = $this->getSubcategorySection() .
+ $this->getPagesSection() .
+ $this->getImageSection();
+
+ if ( $r == '' ) {
+ // If there is no category content to display, only
+ // show the top part of the navigation links.
+ // @todo FIXME: Cannot be completely suppressed because it
+ // is unknown if 'until' or 'from' makes this
+ // give 0 results.
+ $r = $r . $this->getCategoryTop();
+ } else {
+ $r = $this->getCategoryTop() .
+ $r .
+ $this->getCategoryBottom();
}
- $dbr->freeResult ( $res ) ;
- # Showing subcategories
- if ( count ( $children ) > 0 ) {
- $r .= '<h2>'.wfMsg('subcategories')."</h2>\n" ;
- $r .= implode ( ', ' , $children ) ;
+ // Give a proper message if category is empty
+ if ( $r == '' ) {
+ $r = wfMsgExt( 'category-empty', array( 'parse' ) );
+ } else {
+ $pageLang = $this->title->getPageLanguage();
+ $langAttribs = array( 'lang' => $pageLang->getCode(), 'dir' => $pageLang->getDir() );
+ # close the previous div, show the headings in user language,
+ # then open a new div with the page content language again
+ $r = '</div>' . $r . Html::openElement( 'div', $langAttribs );
}
- # Showing pages in this category
- if ( count ( $articles ) > 0 ) {
- $ti = $this->mTitle->getText() ;
- $h = wfMsg( 'category_header', $ti );
- $r .= "<h2>$h</h2>\n" ;
- $r .= implode ( ', ' , $articles ) ;
+ wfProfileOut( __METHOD__ );
+ return $r;
+ }
+
+ function clearCategoryState() {
+ $this->articles = array();
+ $this->articles_start_char = array();
+ $this->children = array();
+ $this->children_start_char = array();
+ if ( $this->showGallery ) {
+ $this->gallery = new ImageGallery();
+ $this->gallery->setHideBadImages();
+ } else {
+ $this->imgsNoGallery = array();
+ $this->imgsNoGallery_start_char = array();
}
+ }
- # Showing subcategories
- if ( count ( $children ) > 0 ) {
- $r .= '<h2>'.wfMsg('subcategories')."</h2>\n" ;
- $r .= implode ( ', ' , $children ) ;
+ /**
+ * Add a subcategory to the internal lists, using a Category object
+ */
+ function addSubcategoryObject( Category $cat, $sortkey, $pageLength ) {
+ // Subcategory; strip the 'Category' namespace from the link text.
+ $title = $cat->getTitle();
+
+ $link = Linker::link( $title, htmlspecialchars( $title->getText() ) );
+ if ( $title->isRedirect() ) {
+ // This didn't used to add redirect-in-category, but might
+ // as well be consistent with the rest of the sections
+ // on a category page.
+ $link = '<span class="redirect-in-category">' . $link . '</span>';
}
+ $this->children[] = $link;
+
+ $this->children_start_char[] =
+ $this->getSubcategorySortChar( $cat->getTitle(), $sortkey );
+ }
- # Showing pages in this category
- if ( count ( $articles ) > 0 ) {
- $ti = $this->mTitle->getText() ;
- $h = wfMsg( 'category_header', $ti );
- $r .= "<h2>$h</h2>\n" ;
- $r .= implode ( ', ' , $articles ) ;
+ /**
+ * Add a subcategory to the internal lists, using a title object
+ * @deprecated since 1.17 kept for compatibility, please use addSubcategoryObject instead
+ */
+ function addSubcategory( Title $title, $sortkey, $pageLength ) {
+ $this->addSubcategoryObject( Category::newFromTitle( $title ), $sortkey, $pageLength );
+ }
+
+ /**
+ * Get the character to be used for sorting subcategories.
+ * If there's a link from Category:A to Category:B, the sortkey of the resulting
+ * entry in the categorylinks table is Category:A, not A, which it SHOULD be.
+ * Workaround: If sortkey == "Category:".$title, than use $title for sorting,
+ * else use sortkey...
+ *
+ * @param Title $title
+ * @param string $sortkey The human-readable sortkey (before transforming to icu or whatever).
+ */
+ function getSubcategorySortChar( $title, $sortkey ) {
+ global $wgContLang;
+
+ if ( $title->getPrefixedText() == $sortkey ) {
+ $word = $title->getDBkey();
+ } else {
+ $word = $sortkey;
}
- return $r ;
+ $firstChar = $this->collation->getFirstLetter( $word );
+
+ return $wgContLang->convert( $firstChar );
}
- function newCategoryMagic () {
- global $wgContLang,$wgUser, $wgCategoryMagicGallery;
+ /**
+ * Add a page in the image namespace
+ */
+ function addImage( Title $title, $sortkey, $pageLength, $isRedirect = false ) {
+ global $wgContLang;
+ if ( $this->showGallery ) {
+ $flip = $this->flip['file'];
+ if ( $flip ) {
+ $this->gallery->insert( $title );
+ } else {
+ $this->gallery->add( $title );
+ }
+ } else {
+ $link = Linker::link( $title );
+ if ( $isRedirect ) {
+ // This seems kind of pointless given 'mw-redirect' class,
+ // but keeping for back-compatibility with user css.
+ $link = '<span class="redirect-in-category">' . $link . '</span>';
+ }
+ $this->imgsNoGallery[] = $link;
- $sk =& $wgUser->getSkin();
+ $this->imgsNoGallery_start_char[] = $wgContLang->convert(
+ $this->collation->getFirstLetter( $sortkey ) );
+ }
+ }
- $r = "<br style=\"clear:both;\"/>\n";
+ /**
+ * Add a miscellaneous page
+ */
+ function addPage( $title, $sortkey, $pageLength, $isRedirect = false ) {
+ global $wgContLang;
+
+ $link = Linker::link( $title );
+ if ( $isRedirect ) {
+ // This seems kind of pointless given 'mw-redirect' class,
+ // but keeping for back-compatiability with user css.
+ $link = '<span class="redirect-in-category">' . $link . '</span>';
+ }
+ $this->articles[] = $link;
- $articles = array() ;
- $articles_start_char = array();
- $children = array() ;
- $children_start_char = array();
- $data = array () ;
- $id = $this->mTitle->getArticleID() ;
+ $this->articles_start_char[] = $wgContLang->convert(
+ $this->collation->getFirstLetter( $sortkey ) );
+ }
- if ( $wgCategoryMagicGallery ) {
- $ig = new ImageGallery();
+ function finaliseCategoryState() {
+ if ( $this->flip['subcat'] ) {
+ $this->children = array_reverse( $this->children );
+ $this->children_start_char = array_reverse( $this->children_start_char );
}
+ if ( $this->flip['page'] ) {
+ $this->articles = array_reverse( $this->articles );
+ $this->articles_start_char = array_reverse( $this->articles_start_char );
+ }
+ if ( !$this->showGallery && $this->flip['file'] ) {
+ $this->imgsNoGallery = array_reverse( $this->imgsNoGallery );
+ $this->imgsNoGallery_start_char = array_reverse( $this->imgsNoGallery_start_char );
+ }
+ }
- # FIXME: add limits
- $dbr =& wfGetDB( DB_SLAVE );
- $page = $dbr->tableName( 'page' );
- $categorylinks = $dbr->tableName( 'categorylinks' );
-
- $t = $dbr->strencode( $this->mTitle->getDBKey() );
- $sql = "SELECT DISTINCT page_title,page_namespace,cl_sortkey FROM " .
- "$page,$categorylinks WHERE cl_to='$t' AND cl_from=page_id AND page_is_redirect ORDER BY cl_sortkey" ;
- $res = $dbr->query ( $sql ) ;
- while ( $x = $dbr->fetchObject ( $res ) )
- {
- $t = $ns = $wgContLang->getNsText ( $x->page_namespace ) ;
- if ( $t != '' ) $t .= ':' ;
- $t .= $x->page_title ;
- $ctitle = str_replace( '_',' ',$x->page_title );
-
- if ( $x->page_namespace == NS_CATEGORY ) {
- array_push ( $children, $sk->makeKnownLink ( $t, $ctitle ) ) ; # Subcategory
-
- // If there's a link from Category:A to Category:B, the sortkey of the resulting
- // entry in the categorylinks table is Category:A, not A, which it SHOULD be.
- // Workaround: If sortkey == "Category:".$title, than use $title for sorting,
- // else use sortkey...
- if ( ($ns.':'.$ctitle) == $x->cl_sortkey ) {
- array_push ( $children_start_char, $wgContLang->firstChar( $x->page_title ) );
+ function doCategoryQuery() {
+ $dbr = wfGetDB( DB_SLAVE, 'category' );
+
+ $this->nextPage = array(
+ 'page' => null,
+ 'subcat' => null,
+ 'file' => null,
+ );
+ $this->flip = array( 'page' => false, 'subcat' => false, 'file' => false );
+
+ foreach ( array( 'page', 'subcat', 'file' ) as $type ) {
+ # Get the sortkeys for start/end, if applicable. Note that if
+ # the collation in the database differs from the one
+ # set in $wgCategoryCollation, pagination might go totally haywire.
+ $extraConds = array( 'cl_type' => $type );
+ if ( $this->from[$type] !== null ) {
+ $extraConds[] = 'cl_sortkey >= '
+ . $dbr->addQuotes( $this->collation->getSortKey( $this->from[$type] ) );
+ } elseif ( $this->until[$type] !== null ) {
+ $extraConds[] = 'cl_sortkey < '
+ . $dbr->addQuotes( $this->collation->getSortKey( $this->until[$type] ) );
+ $this->flip[$type] = true;
+ }
+
+ $res = $dbr->select(
+ array( 'page', 'categorylinks', 'category' ),
+ array( 'page_id', 'page_title', 'page_namespace', 'page_len',
+ 'page_is_redirect', 'cl_sortkey', 'cat_id', 'cat_title',
+ 'cat_subcats', 'cat_pages', 'cat_files',
+ 'cl_sortkey_prefix', 'cl_collation' ),
+ array_merge( array( 'cl_to' => $this->title->getDBkey() ), $extraConds ),
+ __METHOD__,
+ array(
+ 'USE INDEX' => array( 'categorylinks' => 'cl_sortkey' ),
+ 'LIMIT' => $this->limit + 1,
+ 'ORDER BY' => $this->flip[$type] ? 'cl_sortkey DESC' : 'cl_sortkey',
+ ),
+ array(
+ 'categorylinks' => array( 'INNER JOIN', 'cl_from = page_id' ),
+ 'category' => array( 'LEFT JOIN', 'cat_title = page_title AND page_namespace = ' . NS_CATEGORY )
+ )
+ );
+
+ $count = 0;
+ foreach ( $res as $row ) {
+ $title = Title::newFromRow( $row );
+ if ( $row->cl_collation === '' ) {
+ // Hack to make sure that while updating from 1.16 schema
+ // and db is inconsistent, that the sky doesn't fall.
+ // See r83544. Could perhaps be removed in a couple decades...
+ $humanSortkey = $row->cl_sortkey;
} else {
- array_push ( $children_start_char, $wgContLang->firstChar( $x->cl_sortkey ) ) ;
+ $humanSortkey = $title->getCategorySortkey( $row->cl_sortkey_prefix );
+ }
+
+ if ( ++$count > $this->limit ) {
+ # We've reached the one extra which shows that there
+ # are additional pages to be had. Stop here...
+ $this->nextPage[$type] = $humanSortkey;
+ break;
+ }
+
+ if ( $title->getNamespace() == NS_CATEGORY ) {
+ $cat = Category::newFromRow( $row, $title );
+ $this->addSubcategoryObject( $cat, $humanSortkey, $row->page_len );
+ } elseif ( $title->getNamespace() == NS_FILE ) {
+ $this->addImage( $title, $humanSortkey, $row->page_len, $row->page_is_redirect );
+ } else {
+ $this->addPage( $title, $humanSortkey, $row->page_len, $row->page_is_redirect );
}
- } elseif ( $wgCategoryMagicGallery && $x->page_namespace == NS_IMAGE ) {
- $ig->add( new Image( $x->page_title ) );
- } else {
- array_push ( $articles , $sk->makeKnownLink ( $t ) ) ; # Page in this category
- array_push ( $articles_start_char, $wgContLang->firstChar( $x->cl_sortkey ) ) ;
}
}
- $dbr->freeResult ( $res ) ;
+ }
- $ti = $this->mTitle->getText() ;
+ function getCategoryTop() {
+ $r = $this->getCategoryBottom();
+ return $r === ''
+ ? $r
+ : "<br style=\"clear:both;\"/>\n" . $r;
+ }
+ function getSubcategorySection() {
# Don't show subcategories section if there are none.
- if ( count ( $children ) > 0 )
- {
+ $r = '';
+ $rescnt = count( $this->children );
+ $dbcnt = $this->cat->getSubcatCount();
+ $countmsg = $this->getCountMessage( $rescnt, $dbcnt, 'subcat' );
+
+ if ( $rescnt > 0 ) {
# Showing subcategories
+ $r .= "<div id=\"mw-subcategories\">\n";
$r .= '<h2>' . wfMsg( 'subcategories' ) . "</h2>\n";
+ $r .= $countmsg;
+ $r .= $this->getSectionPagingLinks( 'subcat' );
+ $r .= $this->formatList( $this->children, $this->children_start_char );
+ $r .= $this->getSectionPagingLinks( 'subcat' );
+ $r .= "\n</div>";
+ }
+ return $r;
+ }
+
+ function getPagesSection() {
+ $ti = htmlspecialchars( $this->title->getText() );
+ # Don't show articles section if there are none.
+ $r = '';
+
+ # @todo FIXME: Here and in the other two sections: we don't need to bother
+ # with this rigamarole if the entire category contents fit on one page
+ # and have already been retrieved. We can just use $rescnt in that
+ # case and save a query and some logic.
+ $dbcnt = $this->cat->getPageCount() - $this->cat->getSubcatCount()
+ - $this->cat->getFileCount();
+ $rescnt = count( $this->articles );
+ $countmsg = $this->getCountMessage( $rescnt, $dbcnt, 'article' );
+
+ if ( $rescnt > 0 ) {
+ $r = "<div id=\"mw-pages\">\n";
+ $r .= '<h2>' . wfMsg( 'category_header', $ti ) . "</h2>\n";
+ $r .= $countmsg;
+ $r .= $this->getSectionPagingLinks( 'page' );
+ $r .= $this->formatList( $this->articles, $this->articles_start_char );
+ $r .= $this->getSectionPagingLinks( 'page' );
+ $r .= "\n</div>";
+ }
+ return $r;
+ }
- $numchild = count( $children );
- if($numchild == 1) {
- $r .= wfMsg( 'subcategorycount1', $wgContLang->formatNum( 1 ) );
+ function getImageSection() {
+ $r = '';
+ $rescnt = $this->showGallery ? $this->gallery->count() : count( $this->imgsNoGallery );
+ if ( $rescnt > 0 ) {
+ $dbcnt = $this->cat->getFileCount();
+ $countmsg = $this->getCountMessage( $rescnt, $dbcnt, 'file' );
+
+ $r .= "<div id=\"mw-category-media\">\n";
+ $r .= '<h2>' . wfMsg( 'category-media-header', htmlspecialchars( $this->title->getText() ) ) . "</h2>\n";
+ $r .= $countmsg;
+ $r .= $this->getSectionPagingLinks( 'file' );
+ if ( $this->showGallery ) {
+ $r .= $this->gallery->toHTML();
} else {
- $r .= wfMsg( 'subcategorycount' , $wgContLang->formatNum( $numchild ) );
+ $r .= $this->formatList( $this->imgsNoGallery, $this->imgsNoGallery_start_char );
}
- unset($numchild);
+ $r .= $this->getSectionPagingLinks( 'file' );
+ $r .= "\n</div>";
+ }
+ return $r;
+ }
- if ( count ( $children ) > 6 ) {
+ /**
+ * Get the paging links for a section (subcats/pages/files), to go at the top and bottom
+ * of the output.
+ *
+ * @param $type String: 'page', 'subcat', or 'file'
+ * @return String: HTML output, possibly empty if there are no other pages
+ */
+ private function getSectionPagingLinks( $type ) {
+ if ( $this->until[$type] !== null ) {
+ return $this->pagingLinks( $this->nextPage[$type], $this->until[$type], $type );
+ } elseif ( $this->nextPage[$type] !== null || $this->from[$type] !== null ) {
+ return $this->pagingLinks( $this->from[$type], $this->nextPage[$type], $type );
+ } else {
+ return '';
+ }
+ }
- // divide list into three equal chunks
- $chunk = (int) (count ( $children ) / 3);
+ function getCategoryBottom() {
+ return '';
+ }
- // get and display header
- $r .= '<table width="100%"><tr valign="top">';
+ /**
+ * Format a list of articles chunked by letter, either as a
+ * bullet list or a columnar format, depending on the length.
+ *
+ * @param $articles Array
+ * @param $articles_start_char Array
+ * @param $cutoff Int
+ * @return String
+ * @private
+ */
+ function formatList( $articles, $articles_start_char, $cutoff = 6 ) {
+ $list = '';
+ if ( count ( $articles ) > $cutoff ) {
+ $list = self::columnList( $articles, $articles_start_char );
+ } elseif ( count( $articles ) > 0 ) {
+ // for short lists of articles in categories.
+ $list = self::shortList( $articles, $articles_start_char );
+ }
- $startChunk = 0;
- $endChunk = $chunk;
+ $pageLang = $this->title->getPageLanguage();
+ $attribs = array( 'lang' => $pageLang->getCode(), 'dir' => $pageLang->getDir(),
+ 'class' => 'mw-content-'.$pageLang->getDir() );
+ $list = Html::rawElement( 'div', $attribs, $list );
- // loop through the chunks
- for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0;
- $chunkIndex < 3;
- $chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1)
- {
+ return $list;
+ }
- $r .= '<td><ul>';
- // output all subcategories to category
- for ($index = $startChunk ;
- $index < $endChunk && $index < count($children);
- $index++ )
- {
- // check for change of starting letter or begging of chunk
- if ( ($index == $startChunk)
- || ($children_start_char[$index] != $children_start_char[$index - 1]) )
- {
- $r .= "</ul><h3>{$children_start_char[$index]}</h3>\n<ul>";
- }
+ /**
+ * Format a list of articles chunked by letter in a three-column
+ * list, ordered vertically.
+ *
+ * TODO: Take the headers into account when creating columns, so they're
+ * more visually equal.
+ *
+ * More distant TODO: Scrap this and use CSS columns, whenever IE finally
+ * supports those.
+ *
+ * @param $articles Array
+ * @param $articles_start_char Array
+ * @return String
+ * @private
+ */
+ static function columnList( $articles, $articles_start_char ) {
+ $columns = array_combine( $articles, $articles_start_char );
+ # Split into three columns
+ $columns = array_chunk( $columns, ceil( count( $columns ) / 3 ), true /* preserve keys */ );
+
+ $ret = '<table width="100%"><tr valign="top"><td>';
+ $prevchar = null;
+
+ foreach ( $columns as $column ) {
+ $colContents = array();
+
+ # Kind of like array_flip() here, but we keep duplicates in an
+ # array instead of dropping them.
+ foreach ( $column as $article => $char ) {
+ if ( !isset( $colContents[$char] ) ) {
+ $colContents[$char] = array();
+ }
+ $colContents[$char][] = $article;
+ }
- $r .= "<li>{$children[$index]}</li>";
- }
- $r .= '</ul></td>';
+ $first = true;
+ foreach ( $colContents as $char => $articles ) {
+ $ret .= '<h3>' . htmlspecialchars( $char );
+ if ( $first && $char === $prevchar ) {
+ # We're continuing a previous chunk at the top of a new
+ # column, so add " cont." after the letter.
+ $ret .= ' ' . wfMsgHtml( 'listingcontinuesabbrev' );
+ }
+ $ret .= "</h3>\n";
+ $ret .= '<ul><li>';
+ $ret .= implode( "</li>\n<li>", $articles );
+ $ret .= '</li></ul>';
- }
- $r .= '</tr></table>';
- } else {
- // for short lists of subcategories to category.
-
- $r .= "<h3>{$children_start_char[0]}</h3>\n";
- $r .= '<ul><li>'.$children[0].'</li>';
- for ($index = 1; $index < count($children); $index++ )
- {
- if ($children_start_char[$index] != $children_start_char[$index - 1])
- {
- $r .= "</ul><h3>{$children_start_char[$index]}</h3>\n<ul>";
- }
- $r .= "<li>{$children[$index]}</li>";
- }
- $r .= '</ul>';
+ $first = false;
+ $prevchar = $char;
}
- } # END of if ( count($children) > 0 )
-
- $r .= '<h2>' . wfMsg( 'category_header', $ti ) . "</h2>\n";
- $numart = count( $articles );
- if($numart == 1) {
- $r .= wfMsg( 'categoryarticlecount1', $wgContLang->formatNum( 1 ) );
- } else {
- $r .= wfMsg( 'categoryarticlecount' , $wgContLang->formatNum( $numart ) );
+ $ret .= "</td>\n<td>";
}
- unset($numart);
-
- # Showing articles in this category
- if ( count ( $articles ) > 6) {
- $ti = $this->mTitle->getText() ;
-
- // divide list into three equal chunks
- $chunk = (int) (count ( $articles ) / 3);
-
- // get and display header
- $r .= '<table width="100%"><tr valign="top">';
-
- $prev_start_char = "";
-
- // loop through the chunks
- for($startChunk = 0, $endChunk = $chunk, $chunkIndex = 0;
- $chunkIndex < 3;
- $chunkIndex++, $startChunk = $endChunk, $endChunk += $chunk + 1)
- {
-
- $r .= '<td><ul>';
-
- // output all articles in category
- for ($index = $startChunk ;
- $index < $endChunk && $index < count($articles);
- $index++ )
- {
- // check for change of starting letter or begging of chunk
- if ( ($index == $startChunk) ||
- ($articles_start_char[$index] != $articles_start_char[$index - 1]) )
-
- {
- $cont_msg = "";
- if($articles_start_char[$index] == $prev_start_char)
- $cont_msg = wfMsg('listingcontinuesabbrev');
- $r .= "</ul><h3>{$articles_start_char[$index]}$cont_msg</h3>\n<ul>";
- $prev_start_char = $articles_start_char[$index];
- }
-
- $r .= "<li>{$articles[$index]}</li>";
- }
- $r .= '</ul></td>';
+ $ret .= '</td></tr></table>';
+ return $ret;
+ }
+ /**
+ * Format a list of articles chunked by letter in a bullet list.
+ * @param $articles Array
+ * @param $articles_start_char Array
+ * @return String
+ * @private
+ */
+ static function shortList( $articles, $articles_start_char ) {
+ $r = '<h3>' . htmlspecialchars( $articles_start_char[0] ) . "</h3>\n";
+ $r .= '<ul><li>' . $articles[0] . '</li>';
+ for ( $index = 1; $index < count( $articles ); $index++ ) {
+ if ( $articles_start_char[$index] != $articles_start_char[$index - 1] ) {
+ $r .= "</ul><h3>" . htmlspecialchars( $articles_start_char[$index] ) . "</h3>\n<ul>";
}
- $r .= '</tr></table>';
- } elseif ( count($articles) > 0) {
- // for short lists of articles in categories.
- $ti = $this->mTitle->getText() ;
-
- $r .= '<h3>'.$articles_start_char[0]."</h3>\n";
- $r .= '<ul><li>'.$articles[0].'</li>';
- for ($index = 1; $index < count($articles); $index++ )
- {
- if ($articles_start_char[$index] != $articles_start_char[$index - 1])
- {
- $r .= "</ul><h3>{$articles_start_char[$index]}</h3>\n<ul>";
- }
- $r .= "<li>{$articles[$index]}</li>";
- }
- $r .= '</ul>';
+ $r .= "<li>{$articles[$index]}</li>";
+ }
+ $r .= '</ul>';
+ return $r;
+ }
+
+ /**
+ * Create paging links, as a helper method to getSectionPagingLinks().
+ *
+ * @param $first String The 'until' parameter for the generated URL
+ * @param $last String The 'from' parameter for the genererated URL
+ * @param $type String A prefix for parameters, 'page' or 'subcat' or
+ * 'file'
+ * @return String HTML
+ */
+ private function pagingLinks( $first, $last, $type = '' ) {
+ global $wgLang;
+
+ $limitText = $wgLang->formatNum( $this->limit );
+
+ $prevLink = wfMsgExt( 'prevn', array( 'escape', 'parsemag' ), $limitText );
+
+ if ( $first != '' ) {
+ $prevQuery = $this->query;
+ $prevQuery["{$type}until"] = $first;
+ unset( $prevQuery["{$type}from"] );
+ $prevLink = Linker::linkKnown(
+ $this->addFragmentToTitle( $this->title, $type ),
+ $prevLink,
+ array(),
+ $prevQuery
+ );
}
- if ( $wgCategoryMagicGallery && ! $ig->isEmpty() ) {
- $r.= $ig->toHTML();
+ $nextLink = wfMsgExt( 'nextn', array( 'escape', 'parsemag' ), $limitText );
+
+ if ( $last != '' ) {
+ $lastQuery = $this->query;
+ $lastQuery["{$type}from"] = $last;
+ unset( $lastQuery["{$type}until"] );
+ $nextLink = Linker::linkKnown(
+ $this->addFragmentToTitle( $this->title, $type ),
+ $nextLink,
+ array(),
+ $lastQuery
+ );
}
- return $r ;
+ return "($prevLink) ($nextLink)";
+ }
+
+ /**
+ * Takes a title, and adds the fragment identifier that
+ * corresponds to the correct segment of the category.
+ *
+ * @param Title $title: The title (usually $this->title)
+ * @param String $section: Which section
+ */
+ private function addFragmentToTitle( $title, $section ) {
+ switch ( $section ) {
+ case 'page':
+ $fragment = 'mw-pages';
+ break;
+ case 'subcat':
+ $fragment = 'mw-subcategories';
+ break;
+ case 'file':
+ $fragment = 'mw-category-media';
+ break;
+ default:
+ throw new MWException( __METHOD__ .
+ " Invalid section $section." );
+ }
+
+ return Title::makeTitle( $title->getNamespace(),
+ $title->getDBkey(), $fragment );
+ }
+ /**
+ * What to do if the category table conflicts with the number of results
+ * returned? This function says what. Each type is considered independently
+ * of the other types.
+ *
+ * Note for grepping: uses the messages category-article-count,
+ * category-article-count-limited, category-subcat-count,
+ * category-subcat-count-limited, category-file-count,
+ * category-file-count-limited.
+ *
+ * @param $rescnt Int: The number of items returned by our database query.
+ * @param $dbcnt Int: The number of items according to the category table.
+ * @param $type String: 'subcat', 'article', or 'file'
+ * @return String: A message giving the number of items, to output to HTML.
+ */
+ private function getCountMessage( $rescnt, $dbcnt, $type ) {
+ global $wgLang;
+ # There are three cases:
+ # 1) The category table figure seems sane. It might be wrong, but
+ # we can't do anything about it if we don't recalculate it on ev-
+ # ery category view.
+ # 2) The category table figure isn't sane, like it's smaller than the
+ # number of actual results, *but* the number of results is less
+ # than $this->limit and there's no offset. In this case we still
+ # know the right figure.
+ # 3) We have no idea.
+
+ # Check if there's a "from" or "until" for anything
+
+ // This is a little ugly, but we seem to use different names
+ // for the paging types then for the messages.
+ if ( $type === 'article' ) {
+ $pagingType = 'page';
+ } else {
+ $pagingType = $type;
+ }
+
+ $fromOrUntil = false;
+ if ( $this->from[$pagingType] !== null || $this->until[$pagingType] !== null ) {
+ $fromOrUntil = true;
+ }
+
+ if ( $dbcnt == $rescnt || ( ( $rescnt == $this->limit || $fromOrUntil )
+ && $dbcnt > $rescnt ) ) {
+ # Case 1: seems sane.
+ $totalcnt = $dbcnt;
+ } elseif ( $rescnt < $this->limit && !$fromOrUntil ) {
+ # Case 2: not sane, but salvageable. Use the number of results.
+ # Since there are fewer than 200, we can also take this opportunity
+ # to refresh the incorrect category table entry -- which should be
+ # quick due to the small number of entries.
+ $totalcnt = $rescnt;
+ $this->cat->refreshCounts();
+ } else {
+ # Case 3: hopeless. Don't give a total count at all.
+ return wfMsgExt( "category-$type-count-limited", 'parse',
+ $wgLang->formatNum( $rescnt ) );
+ }
+ return wfMsgExt(
+ "category-$type-count",
+ 'parse',
+ $wgLang->formatNum( $rescnt ),
+ $wgLang->formatNum( $totalcnt )
+ );
}
}
-?>
dépôts / lhc / web / wiklou.git / blobdiff