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();

                // Purge expired entries on one in every 10 queries
                if ( !mt_rand( 0, 10 ) ) {
                        Title::purgeExpiredRestrictions();
                }

                $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, array(), $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 ) {
                wfProfileIn( __METHOD__ );

                static $infinity = null;

                if( is_null( $infinity ) ){
                        $infinity = wfGetDB( DB_SLAVE )->getInfinity();
                }

                $title = Title::makeTitleSafe( $row->pt_namespace, $row->pt_title );
                $link = Linker::link( $title );

                $description_items = array ();

                $protType = $this->msg( 'restriction-level-' . $row->pt_create_perm )->escaped();

                $description_items[] = $protType;

                $lang = $this->getLanguage();
                $expiry = strlen( $row->pt_expiry ) ? $lang->formatExpiry( $row->pt_expiry, TS_MW ) : $infinity;
                if( $expiry != $infinity ) {
                        $user = $this->getUser();
                        $description_items[] = $this->msg(
                                'protect-expiring-local',
                                $lang->userTimeAndDate( $expiry, $user ),
                                $lang->userDate( $expiry, $user ),
                                $lang->userTime( $expiry, $user )
                        )->escaped();
                }

                wfProfileOut( __METHOD__ );

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

        function showOptions( $namespace, $type='edit', $level ) {
                global $wgScript;
                $action = htmlspecialchars( $wgScript );
                $title = $this->getTitle();
                $special = htmlspecialchars( $title->getPrefixedDBkey() );
                return "<form action=\"$action\" method=\"get\">\n" .
                        '<fieldset>' .
                        Xml::element( 'legend', array(), $this->msg( 'protectedtitles' )->text() ) .
                        Html::hidden( 'title', $special ) . "&#160;\n" .
                        $this->getNamespaceMenu( $namespace ) . "&#160;\n" .
                        $this->getLevelMenu( $level ) . "&#160;\n" .
                        "&#160;" . Xml::submitButton( $this->msg( 'allpagessubmit' )->text() ) . "\n" .
                        "</fieldset></form>";
        }

        function getNamespaceMenu( $namespace = null ) {
                return Html::namespaceSelector(
                        array(
                                'selected' => $namespace,
                                'all' => '',
                                'label' => $this->msg( 'namespace' )->text()
                        ), array(
                                'name'  => 'namespace',
                                'id'    => 'namespace',
                                'class' => 'namespaceselector',
                        )
                );
        }

        function getLevelMenu( $pr_level ) {
                global $wgRestrictionLevels;

                $m = array( $this->msg( 'restriction-level-all' )->text() => 0 ); // Temporary array
                $options = array();

                // First pass to load the log names
                foreach( $wgRestrictionLevels as $type ) {
                        if ( $type !='' && $type !='*') {
                                $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 ) {
                        $selected = ($type == $pr_level );
                        $options[] = Xml::option( $text, $type, $selected );
                }

                return
                        Xml::label( $this->msg( 'restriction-level' )->text(), $this->IdLevel ) . '&#160;' .
                        Xml::tags( 'select',
                                array( 'id' => $this->IdLevel, 'name' => $this->IdLevel ),
                                implode( "\n", $options ) );
        }
}

class ProtectedTitlesPager extends AlphabeticPager {
        public $mForm, $mConds;

        function __construct( $form, $conds = array(), $type, $level, $namespace, $sizetype='', $size=0 ) {
                $this->mForm = $form;
                $this->mConds = $conds;
                $this->level = $level;
                $this->namespace = $namespace;
                $this->size = intval($size);
                parent::__construct( $form->getContext() );
        }

        function getStartBody() {
                wfProfileIn( __METHOD__ );
                # Do a link batch query
                $this->mResult->seek( 0 );
                $lb = new LinkBatch;

                foreach ( $this->mResult as $row ) {
                        $lb->add( $row->pt_namespace, $row->pt_title );
                }

                $lb->execute();
                wfProfileOut( __METHOD__ );
                return '';
        }

        function getTitle() {
                return $this->mForm->getTitle();
        }

        function formatRow( $row ) {
                return $this->mForm->formatRow( $row );
        }

        function getQueryInfo() {
                $conds = $this->mConds;
                $conds[] = 'pt_expiry>' . $this->mDb->addQuotes( $this->mDb->timestamp() );
                if( $this->level )
                        $conds['pt_create_perm'] = $this->level;
                if( !is_null($this->namespace) )
                        $conds[] = 'pt_namespace=' . $this->mDb->addQuotes( $this->namespace );
                return array(
                        'tables' => 'protected_titles',
                        'fields' => 'pt_namespace,pt_title,pt_create_perm,pt_expiry,pt_timestamp',
                        'conds' => $conds
                );
        }

        function getIndexField() {
                return 'pt_timestamp';
        }
}