getVal( 'diff' );
$diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
if ( isset( $diff ) && $diffOnly )
return Article::view();
if(!wfRunHooks('CategoryPageView', array(&$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.
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' );
$viewer = new CategoryViewer( $this->mTitle, $from, $until );
$wgOut->addHTML( $viewer->getHTML() );
}
}
class CategoryViewer {
var $title, $limit, $from, $until,
$articles, $articles_start_char,
$children, $children_start_char,
$showGallery, $gallery,
$skin;
function __construct( $title, $from = '', $until = '' ) {
global $wgCategoryPagingLimit;
$this->title = $title;
$this->from = $from;
$this->until = $until;
$this->limit = $wgCategoryPagingLimit;
}
/**
* 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 getHTML() {
global $wgOut, $wgCategoryMagicGallery, $wgCategoryPagingLimit;
wfProfileIn( __METHOD__ );
$this->showGallery = $wgCategoryMagicGallery && !$wgOut->mNoGallery;
$this->clearCategoryState();
$this->doCategoryQuery();
$this->finaliseCategoryState();
$r = $this->getCategoryTop() .
$this->getSubcategorySection() .
$this->getPagesSection() .
$this->getImageSection() .
$this->getCategoryBottom();
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();
$this->gallery->setParsing();
}
}
function getSkin() {
if ( !$this->skin ) {
global $wgUser;
$this->skin = $wgUser->getSkin();
}
return $this->skin;
}
/**
* Add a subcategory to the internal lists
*/
function addSubcategory( $title, $sortkey, $pageLength ) {
global $wgContLang;
// Subcategory; strip the 'Category' namespace from the link text.
$this->children[] = $this->getSkin()->makeKnownLinkObj(
$title, $wgContLang->convertHtml( $title->getText() ) );
$this->children_start_char[] = $this->getSubcategorySortChar( $title, $sortkey );
}
/**
* Get the character to be used for sorting subcategories.
* If there's a link from Category:A to Category:B, the sortkey of the resulting
* entry in the categorylinks table is Category:A, not A, which it SHOULD be.
* Workaround: If sortkey == "Category:".$title, than use $title for sorting,
* else use sortkey...
*/
function getSubcategorySortChar( $title, $sortkey ) {
global $wgContLang;
if( $title->getPrefixedText() == $sortkey ) {
$firstChar = $wgContLang->firstChar( $title->getDBkey() );
} else {
$firstChar = $wgContLang->firstChar( $sortkey );
}
return $wgContLang->convert( $firstChar );
}
/**
* Add a page in the image namespace
*/
function addImage( $title, $sortkey, $pageLength ) {
if ( $this->showGallery ) {
$image = new Image( $title );
if( $this->flip ) {
$this->gallery->insert( $image );
} else {
$this->gallery->add( $image );
}
} else {
$this->addPage( $title, $sortkey, $pageLength );
}
}
/**
* Add a miscellaneous page
*/
function addPage( $title, $sortkey, $pageLength ) {
global $wgContLang;
$this->articles[] = $this->getSkin()->makeSizeLinkObj(
$pageLength, $title, $wgContLang->convert( $title->getPrefixedText() )
);
$this->articles_start_char[] = $wgContLang->convert( $wgContLang->firstChar( $sortkey ) );
}
function finaliseCategoryState() {
if( $this->flip ) {
$this->children = array_reverse( $this->children );
$this->children_start_char = array_reverse( $this->children_start_char );
$this->articles = array_reverse( $this->articles );
$this->articles_start_char = array_reverse( $this->articles_start_char );
}
}
function doCategoryQuery() {
$dbr = wfGetDB( DB_SLAVE );
if( $this->from != '' ) {
$pageCondition = 'cl_sortkey >= ' . $dbr->addQuotes( $this->from );
$this->flip = false;
} elseif( $this->until != '' ) {
$pageCondition = 'cl_sortkey < ' . $dbr->addQuotes( $this->until );
$this->flip = true;
} else {
$pageCondition = '1 = 1';
$this->flip = false;
}
$res = $dbr->select(
array( 'page', 'categorylinks' ),
array( 'page_title', 'page_namespace', 'page_len', 'cl_sortkey' ),
array( $pageCondition,
'cl_from = page_id',
'cl_to' => $this->title->getDBKey()),
#'page_is_redirect' => 0),
#+ $pageCondition,
__METHOD__,
array( 'ORDER BY' => $this->flip ? 'cl_sortkey DESC' : 'cl_sortkey',
'USE INDEX' => 'cl_sortkey',
'LIMIT' => $this->limit + 1 ) );
$count = 0;
$this->nextPage = null;
while( $x = $dbr->fetchObject ( $res ) ) {
if( ++$count > $this->limit ) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
$this->nextPage = $x->cl_sortkey;
break;
}
$title = Title::makeTitle( $x->page_namespace, $x->page_title );
if( $title->getNamespace() == NS_CATEGORY ) {
$this->addSubcategory( $title, $x->cl_sortkey, $x->page_len );
} elseif( $title->getNamespace() == NS_IMAGE ) {
$this->addImage( $title, $x->cl_sortkey, $x->page_len );
} else {
$this->addPage( $title, $x->cl_sortkey, $x->page_len );
}
}
$dbr->freeResult( $res );
}
function getCategoryTop() {
$r = "
\n";
if( $this->until != '' ) {
$r .= $this->pagingLinks( $this->title, $this->nextPage, $this->until, $this->limit );
} elseif( $this->nextPage != '' || $this->from != '' ) {
$r .= $this->pagingLinks( $this->title, $this->from, $this->nextPage, $this->limit );
}
return $r;
}
function getSubcategorySection() {
# Don't show subcategories section if there are none.
$r = '';
$c = count( $this->children );
if( $c > 0 ) {
# Showing subcategories
$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
| \n";
}
$r .= '