SpecialSpecialpages.php

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<?php
use MediaWiki\Html\Html;
use MediaWiki\Parser\ParserOutputFlags;
use Wikimedia\Parsoid\Core\SectionMetadata;
use Wikimedia\Parsoid\Core\TOCData;
 
class SpecialSpecialpages extends UnlistedSpecialPage {
 
    public function __construct() {
        parent::__construct( 'Specialpages' );
    }
 
    public function execute( $par ) {
        $out = $this->getOutput();
        $this->setHeaders();
        $this->outputHeader();
        $out->setPreventClickjacking( false );
        $out->addModuleStyles( 'mediawiki.special' );
 
        $groups = $this->getPageGroups();
 
        if ( $groups === false ) {
            return;
        }
 
        $this->addHelpLink( 'Help:Special pages' );
        $this->outputPageList( $groups );
    }
 
    private function getPageGroups() {
        $pages = $this->getSpecialPageFactory()->getUsablePages( $this->getUser() );
 
        if ( $pages === [] ) {
            // Yeah, that was pointless. Thanks for coming.
            return false;
        }
 
        // Put them into a sortable array
        $groups = [];
        foreach ( $pages as $page ) {
            $group = $page->getFinalGroupName();
            $groups[$group][$page->getDescription()] = [
                $page->getPageTitle(),
                $page->isRestricted(),
                $page->isCached()
            ];
        }
 
        // Sort
        foreach ( $groups as $group => $sortedPages ) {
            ksort( $groups[$group] );
        }
 
        // Always move "other" to end
        if ( array_key_exists( 'other', $groups ) ) {
            $other = $groups['other'];
            unset( $groups['other'] );
            $groups['other'] = $other;
        }
 
        return $groups;
    }
 
    private function outputPageList( $groups ) {
        $out = $this->getOutput();
 
        // Legend
        $includesRestrictedPages = false;
        $includesCachedPages = false;
        foreach ( $groups as $group => $sortedPages ) {
            foreach ( $sortedPages as $desc => [ $title, $restricted, $cached ] ) {
                if ( $cached ) {
                    $includesCachedPages = true;
                }
                if ( $restricted ) {
                    $includesRestrictedPages = true;
                }
            }
        }
 
        $notes = [];
        if ( $includesRestrictedPages ) {
            $restricedMsg = $this->msg( 'specialpages-note-restricted' );
            if ( !$restricedMsg->isDisabled() ) {
                $notes[] = $restricedMsg->parse();
            }
        }
        if ( $includesCachedPages ) {
            $cachedMsg = $this->msg( 'specialpages-note-cached' );
            if ( !$cachedMsg->isDisabled() ) {
                $notes[] = $cachedMsg->parse();
            }
        }
        if ( $notes !== [] ) {
            $legendHeading = $this->msg( 'specialpages-note-top' )->parse();
 
            $legend = Html::rawElement(
                'div',
                [ 'class' => [ 'mw-changeslist-legend', 'mw-collapsible', 'mw-specialpages-notes' ] ],
                $legendHeading .
                    Html::rawElement( 'div', [ 'class' => 'mw-collapsible-content' ], implode( "\n", $notes ) )
            );
 
            $out->addHTML( $legend );
            $out->addModuleStyles( 'mediawiki.special.changeslist.legend' );
        }
 
        // Format table of contents
        $tocData = new TOCData();
        $tocLength = 0;
        foreach ( $groups as $group => $sortedPages ) {
            if ( !str_contains( $group, '/' ) ) {
                ++$tocLength;
                $tocData->addSection( new SectionMetadata(
                    1,
                    2,
                    $this->msg( "specialpages-group-$group" )->escaped(),
                    $this->getLanguage()->formatNum( $tocLength ),
                    (string)$tocLength,
                    null,
                    null,
                    "mw-specialpagesgroup-$group",
                    "mw-specialpagesgroup-$group"
                ) );
            }
        }
 
        $pout = new ParserOutput;
        $pout->setTOCData( $tocData );
        $pout->setOutputFlag( ParserOutputFlags::SHOW_TOC );
        $pout->setText( Parser::TOC_PLACEHOLDER );
        $out->addParserOutput( $pout );
 
        // Format contents
        foreach ( $groups as $group => $sortedPages ) {
            if ( str_contains( $group, '/' ) ) {
                [ $group, $subGroup ] = explode( '/', $group, 2 );
                $out->addHTML( Html::element(
                    'h3',
                    [ 'class' => "mw-specialpagessubgroup" ],
                    $this->msg( "specialpages-group-$group-$subGroup" )->text()
                ) . "\n" );
            } else {
                $out->addHTML( Html::element(
                    'h2',
                    [ 'class' => "mw-specialpagesgroup", 'id' => "mw-specialpagesgroup-$group" ],
                    $this->msg( "specialpages-group-$group" )->text()
                ) . "\n" );
            }
            $out->addHTML(
                Html::openElement( 'div', [ 'class' => 'mw-specialpages-list' ] )
                . '<ul>'
            );
            foreach ( $sortedPages as $desc => [ $title, $restricted, $cached ] ) {
                $pageClasses = [];
                if ( $cached ) {
                    $pageClasses[] = 'mw-specialpagecached';
                }
                if ( $restricted ) {
                    $pageClasses[] = 'mw-specialpagerestricted';
                }
 
                $link = $this->getLinkRenderer()->makeKnownLink( $title, $desc );
                $out->addHTML( Html::rawElement(
                        'li',
                        [ 'class' => $pageClasses ],
                        $link
                    ) . "\n" );
            }
            $out->addHTML(
                Html::closeElement( 'ul' ) .
                Html::closeElement( 'div' )
            );
        }
    }
}