SpecialProtectedtitles.php

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<?php
class SpecialProtectedtitles extends SpecialPage {
    protected $IdLevel = 'level';
    protected $IdType = 'type';

    public function __construct() {
        parent::__construct( 'Protectedtitles' );
    }

    function execute( $par ) {
        $this->setHeaders();
        $this->outputHeader();
        $this->addHelpLink( 'Help:Protected_pages' );

        $request = $this->getRequest();
        $type = $request->getVal( $this->IdType );
        $level = $request->getVal( $this->IdLevel );
        $sizetype = $request->getVal( 'sizetype' );
        $size = $request->getIntOrNull( 'size' );
        $NS = $request->getIntOrNull( 'namespace' );

        $pager = new ProtectedTitlesPager( $this, [], $type, $level, $NS, $sizetype, $size );

        $this->getOutput()->addHTML( $this->showOptions( $NS, $type, $level ) );

        if ( $pager->getNumRows() ) {
            $this->getOutput()->addHTML(
                $pager->getNavigationBar() .
                    '<ul>' . $pager->getBody() . '</ul>' .
                    $pager->getNavigationBar()
            );
        } else {
            $this->getOutput()->addWikiMsg( 'protectedtitlesempty' );
        }
    }

    function formatRow( $row ) {
        $title = Title::makeTitleSafe( $row->pt_namespace, $row->pt_title );
        if ( !$title ) {
            return Html::rawElement(
                'li',
                [],
                Html::element(
                    'span',
                    [ 'class' => 'mw-invalidtitle' ],
                    Linker::getInvalidTitleDescription(
                        $this->getContext(),
                        $row->pt_namespace,
                        $row->pt_title
                    )
                )
            ) . "\n";
        }

        $link = $this->getLinkRenderer()->makeLink( $title );
        // Messages: restriction-level-sysop, restriction-level-autoconfirmed
        $description = $this->msg( 'restriction-level-' . $row->pt_create_perm )->escaped();
        $lang = $this->getLanguage();
        $expiry = strlen( $row->pt_expiry ) ?
            $lang->formatExpiry( $row->pt_expiry, TS_MW ) :
            'infinity';

        if ( $expiry !== 'infinity' ) {
            $user = $this->getUser();
            $description .= $this->msg( 'comma-separator' )->escaped() . $this->msg(
                'protect-expiring-local',
                $lang->userTimeAndDate( $expiry, $user ),
                $lang->userDate( $expiry, $user ),
                $lang->userTime( $expiry, $user )
            )->escaped();
        }

        return '<li>' . $lang->specialList( $link, $description ) . "</li>\n";
    }

    function showOptions( $namespace, $type, $level ) {
        $formDescriptor = [
            'namespace' => [
                'class' => 'HTMLSelectNamespace',
                'name' => 'namespace',
                'id' => 'namespace',
                'cssclass' => 'namespaceselector',
                'all' => '',
                'label' => $this->msg( 'namespace' )->text()
            ],
            'levelmenu' => $this->getLevelMenu( $level )
        ];

        $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() );
        $htmlForm
            ->setMethod( 'get' )
            ->setWrapperLegendMsg( 'protectedtitles' )
            ->setSubmitText( $this->msg( 'protectedtitles-submit' )->text() );

        return $htmlForm->prepareForm()->getHTML( false );
    }

    function getLevelMenu( $pr_level ) {
        // Temporary array
        $m = [ $this->msg( 'restriction-level-all' )->text() => 0 ];
        $options = [];

        // First pass to load the log names
        foreach ( $this->getConfig()->get( 'RestrictionLevels' ) as $type ) {
            if ( $type != '' && $type != '*' ) {
                // Messages: restriction-level-sysop, restriction-level-autoconfirmed
                $text = $this->msg( "restriction-level-$type" )->text();
                $m[$text] = $type;
            }
        }

        // Is there only one level (aside from "all")?
        if ( count( $m ) <= 2 ) {
            return '';
        }
        // Third pass generates sorted XHTML content
        foreach ( $m as $text => $type ) {
            $options[ $text ] = $type;
        }

        return [
            'type' => 'select',
            'options' => $options,
            'label' => $this->msg( 'restriction-level' )->text(),
            'name' => $this->IdLevel,
            'id' => $this->IdLevel
        ];
    }

    protected function getGroupName() {
        return 'maintenance';
    }
}