SkinTemplate.php

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<?php
class MediaWikiI18N {
    private $context = array();

    function set( $varName, $value ) {
        $this->context[$varName] = $value;
    }

    function translate( $value ) {
        wfProfileIn( __METHOD__ );

        // Hack for i18n:attributes in PHPTAL 1.0.0 dev version as of 2004-10-23
        $value = preg_replace( '/^string:/', '', $value );

        $value = wfMessage( $value )->text();
        // interpolate variables
        $m = array();
        while ( preg_match( '/\$([0-9]*?)/sm', $value, $m ) ) {
            list( $src, $var ) = $m;
            wfSuppressWarnings();
            $varValue = $this->context[$var];
            wfRestoreWarnings();
            $value = str_replace( $src, $varValue, $value );
        }
        wfProfileOut( __METHOD__ );
        return $value;
    }
}

class SkinTemplate extends Skin {
    public $skinname = 'monobook';

    public $template = 'QuickTemplate';

    function setupSkinUserCss( OutputPage $out ) {
        $out->addModuleStyles( array(
            'mediawiki.legacy.shared',
            'mediawiki.legacy.commonPrint',
            'mediawiki.ui.button'
        ) );
    }

    function setupTemplate( $classname, $repository = false, $cache_dir = false ) {
        return new $classname( $this->getConfig() );
    }

    public function getLanguages() {
        global $wgHideInterlanguageLinks;
        if ( $wgHideInterlanguageLinks ) {
            return array();
        }

        $userLang = $this->getLanguage();
        $languageLinks = array();

        foreach ( $this->getOutput()->getLanguageLinks() as $languageLinkText ) {
            $languageLinkParts = explode( ':', $languageLinkText, 2 );
            $class = 'interlanguage-link interwiki-' . $languageLinkParts[0];
            unset( $languageLinkParts );

            $languageLinkTitle = Title::newFromText( $languageLinkText );
            if ( $languageLinkTitle ) {
                $ilInterwikiCode = $languageLinkTitle->getInterwiki();
                $ilLangName = Language::fetchLanguageName( $ilInterwikiCode );

                if ( strval( $ilLangName ) === '' ) {
                    $ilDisplayTextMsg = wfMessage( "interlanguage-link-$ilInterwikiCode" );
                    if ( !$ilDisplayTextMsg->isDisabled() ) {
                        // Use custom MW message for the display text
                        $ilLangName = $ilDisplayTextMsg->text();
                    } else {
                        // Last resort: fallback to the language link target
                        $ilLangName = $languageLinkText;
                    }
                } else {
                    // Use the language autonym as display text
                    $ilLangName = $this->formatLanguageName( $ilLangName );
                }

                // CLDR extension or similar is required to localize the language name;
                // otherwise we'll end up with the autonym again.
                $ilLangLocalName = Language::fetchLanguageName(
                    $ilInterwikiCode,
                    $userLang->getCode()
                );

                $languageLinkTitleText = $languageLinkTitle->getText();
                if ( $ilLangLocalName === '' ) {
                    $ilFriendlySiteName = wfMessage( "interlanguage-link-sitename-$ilInterwikiCode" );
                    if ( !$ilFriendlySiteName->isDisabled() ) {
                        if ( $languageLinkTitleText === '' ) {
                            $ilTitle = wfMessage(
                                'interlanguage-link-title-nonlangonly',
                                $ilFriendlySiteName->text()
                            )->text();
                        } else {
                            $ilTitle = wfMessage(
                                'interlanguage-link-title-nonlang',
                                $languageLinkTitleText,
                                $ilFriendlySiteName->text()
                            )->text();
                        }
                    } else {
                        // we have nothing friendly to put in the title, so fall back to
                        // displaying the interlanguage link itself in the title text
                        // (similar to what is done in page content)
                        $ilTitle = $languageLinkTitle->getInterwiki() .
                            ":$languageLinkTitleText";
                    }
                } elseif ( $languageLinkTitleText === '' ) {
                    $ilTitle = wfMessage(
                        'interlanguage-link-title-langonly',
                        $ilLangLocalName
                    )->text();
                } else {
                    $ilTitle = wfMessage(
                        'interlanguage-link-title',
                        $languageLinkTitleText,
                        $ilLangLocalName
                    )->text();
                }

                $ilInterwikiCodeBCP47 = wfBCP47( $ilInterwikiCode );
                $languageLink = array(
                    'href' => $languageLinkTitle->getFullURL(),
                    'text' => $ilLangName,
                    'title' => $ilTitle,
                    'class' => $class,
                    'lang' => $ilInterwikiCodeBCP47,
                    'hreflang' => $ilInterwikiCodeBCP47,
                );
                wfRunHooks(
                    'SkinTemplateGetLanguageLink',
                    array( &$languageLink, $languageLinkTitle, $this->getTitle(), $this->getOutput() )
                );
                $languageLinks[] = $languageLink;
            }
        }

        return $languageLinks;
    }

    protected function setupTemplateForOutput() {
        wfProfileIn( __METHOD__ );

        $request = $this->getRequest();
        $user = $this->getUser();
        $title = $this->getTitle();

        wfProfileIn( __METHOD__ . '-init' );
        $tpl = $this->setupTemplate( $this->template, 'skins' );
        wfProfileOut( __METHOD__ . '-init' );

        wfProfileIn( __METHOD__ . '-stuff' );
        $this->thispage = $title->getPrefixedDBkey();
        $this->titletxt = $title->getPrefixedText();
        $this->userpage = $user->getUserPage()->getPrefixedText();
        $query = array();
        if ( !$request->wasPosted() ) {
            $query = $request->getValues();
            unset( $query['title'] );
            unset( $query['returnto'] );
            unset( $query['returntoquery'] );
        }
        $this->thisquery = wfArrayToCgi( $query );
        $this->loggedin = $user->isLoggedIn();
        $this->username = $user->getName();

        if ( $this->loggedin || $this->showIPinHeader() ) {
            $this->userpageUrlDetails = self::makeUrlDetails( $this->userpage );
        } else {
            # This won't be used in the standard skins, but we define it to preserve the interface
            # To save time, we check for existence
            $this->userpageUrlDetails = self::makeKnownUrlDetails( $this->userpage );
        }

        wfProfileOut( __METHOD__ . '-stuff' );

        wfProfileOut( __METHOD__ );

        return $tpl;
    }

    function outputPage( OutputPage $out = null ) {
        wfProfileIn( __METHOD__ );
        Profiler::instance()->setTemplated( true );

        $oldContext = null;
        if ( $out !== null ) {
            // @todo Add wfDeprecated in 1.20
            $oldContext = $this->getContext();
            $this->setContext( $out->getContext() );
        }

        $out = $this->getOutput();

        wfProfileIn( __METHOD__ . '-init' );
        $this->initPage( $out );
        wfProfileOut( __METHOD__ . '-init' );
        $tpl = $this->prepareQuickTemplate( $out );
        // execute template
        wfProfileIn( __METHOD__ . '-execute' );
        $res = $tpl->execute();
        wfProfileOut( __METHOD__ . '-execute' );

        // result may be an error
        $this->printOrError( $res );

        if ( $oldContext ) {
            $this->setContext( $oldContext );
        }

        wfProfileOut( __METHOD__ );
    }

    protected function prepareQuickTemplate() {
        global $wgContLang, $wgScript, $wgStylePath, $wgMimeType, $wgJsMimeType,
            $wgDisableCounters, $wgSitename, $wgLogo, $wgMaxCredits,
            $wgShowCreditsIfMax, $wgPageShowWatchingUsers, $wgArticlePath,
            $wgScriptPath, $wgServer;

        wfProfileIn( __METHOD__ );

        $title = $this->getTitle();
        $request = $this->getRequest();
        $out = $this->getOutput();
        $tpl = $this->setupTemplateForOutput();

        wfProfileIn( __METHOD__ . '-stuff2' );
        $tpl->set( 'title', $out->getPageTitle() );
        $tpl->set( 'pagetitle', $out->getHTMLTitle() );
        $tpl->set( 'displaytitle', $out->mPageLinkTitle );

        $tpl->setRef( 'thispage', $this->thispage );
        $tpl->setRef( 'titleprefixeddbkey', $this->thispage );
        $tpl->set( 'titletext', $title->getText() );
        $tpl->set( 'articleid', $title->getArticleID() );

        $tpl->set( 'isarticle', $out->isArticle() );

        $subpagestr = $this->subPageSubtitle();
        if ( $subpagestr !== '' ) {
            $subpagestr = '<span class="subpages">' . $subpagestr . '</span>';
        }
        $tpl->set( 'subtitle', $subpagestr . $out->getSubtitle() );

        $undelete = $this->getUndeleteLink();
        if ( $undelete === '' ) {
            $tpl->set( 'undelete', '' );
        } else {
            $tpl->set( 'undelete', '<span class="subpages">' . $undelete . '</span>' );
        }

        $tpl->set( 'catlinks', $this->getCategories() );
        if ( $out->isSyndicated() ) {
            $feeds = array();
            foreach ( $out->getSyndicationLinks() as $format => $link ) {
                $feeds[$format] = array(
                    // Messages: feed-atom, feed-rss
                    'text' => $this->msg( "feed-$format" )->text(),
                    'href' => $link
                );
            }
            $tpl->setRef( 'feeds', $feeds );
        } else {
            $tpl->set( 'feeds', false );
        }

        $tpl->setRef( 'mimetype', $wgMimeType );
        $tpl->setRef( 'jsmimetype', $wgJsMimeType );
        $tpl->set( 'charset', 'UTF-8' );
        $tpl->setRef( 'wgScript', $wgScript );
        $tpl->setRef( 'skinname', $this->skinname );
        $tpl->set( 'skinclass', get_class( $this ) );
        $tpl->setRef( 'skin', $this );
        $tpl->setRef( 'stylename', $this->stylename );
        $tpl->set( 'printable', $out->isPrintable() );
        $tpl->set( 'handheld', $request->getBool( 'handheld' ) );
        $tpl->setRef( 'loggedin', $this->loggedin );
        $tpl->set( 'notspecialpage', !$title->isSpecialPage() );
        $tpl->set( 'searchaction', $this->escapeSearchLink() );
        $tpl->set( 'searchtitle', SpecialPage::getTitleFor( 'Search' )->getPrefixedDBkey() );
        $tpl->set( 'search', trim( $request->getVal( 'search' ) ) );
        $tpl->setRef( 'stylepath', $wgStylePath );
        $tpl->setRef( 'articlepath', $wgArticlePath );
        $tpl->setRef( 'scriptpath', $wgScriptPath );
        $tpl->setRef( 'serverurl', $wgServer );
        $tpl->setRef( 'logopath', $wgLogo );
        $tpl->setRef( 'sitename', $wgSitename );

        $userLang = $this->getLanguage();
        $userLangCode = $userLang->getHtmlCode();
        $userLangDir = $userLang->getDir();

        $tpl->set( 'lang', $userLangCode );
        $tpl->set( 'dir', $userLangDir );
        $tpl->set( 'rtl', $userLang->isRTL() );

        $tpl->set( 'capitalizeallnouns', $userLang->capitalizeAllNouns() ? ' capitalize-all-nouns' : '' );
        $tpl->set( 'showjumplinks', true ); // showjumplinks preference has been removed
        $tpl->set( 'username', $this->loggedin ? $this->username : null );
        $tpl->setRef( 'userpage', $this->userpage );
        $tpl->setRef( 'userpageurl', $this->userpageUrlDetails['href'] );
        $tpl->set( 'userlang', $userLangCode );

        // Users can have their language set differently than the
        // content of the wiki. For these users, tell the web browser
        // that interface elements are in a different language.
        $tpl->set( 'userlangattributes', '' );
        $tpl->set( 'specialpageattributes', '' ); # obsolete
        // Used by VectorBeta to insert HTML before content but after the
        // heading for the page title. Defaults to empty string.
        $tpl->set( 'prebodyhtml', '' );

        if ( $userLangCode !== $wgContLang->getHtmlCode() || $userLangDir !== $wgContLang->getDir() ) {
            $escUserlang = htmlspecialchars( $userLangCode );
            $escUserdir = htmlspecialchars( $userLangDir );
            // Attributes must be in double quotes because htmlspecialchars() doesn't
            // escape single quotes
            $attrs = " lang=\"$escUserlang\" dir=\"$escUserdir\"";
            $tpl->set( 'userlangattributes', $attrs );
        }

        wfProfileOut( __METHOD__ . '-stuff2' );

        wfProfileIn( __METHOD__ . '-stuff3' );
        $tpl->set( 'newtalk', $this->getNewtalks() );
        $tpl->set( 'logo', $this->logoText() );

        $tpl->set( 'copyright', false );
        $tpl->set( 'viewcount', false );
        $tpl->set( 'lastmod', false );
        $tpl->set( 'credits', false );
        $tpl->set( 'numberofwatchingusers', false );
        if ( $out->isArticle() && $title->exists() ) {
            if ( $this->isRevisionCurrent() ) {
                if ( !$wgDisableCounters ) {
                    $viewcount = $this->getWikiPage()->getCount();
                    if ( $viewcount ) {
                        $tpl->set( 'viewcount', $this->msg( 'viewcount' )->numParams( $viewcount )->parse() );
                    }
                }

                if ( $wgPageShowWatchingUsers ) {
                    $dbr = wfGetDB( DB_SLAVE );
                    $num = $dbr->selectField( 'watchlist', 'COUNT(*)',
                        array( 'wl_title' => $title->getDBkey(), 'wl_namespace' => $title->getNamespace() ),
                        __METHOD__
                    );
                    if ( $num > 0 ) {
                        $tpl->set( 'numberofwatchingusers',
                            $this->msg( 'number_of_watching_users_pageview' )->numParams( $num )->parse()
                        );
                    }
                }

                if ( $wgMaxCredits != 0 ) {
                    $tpl->set( 'credits', Action::factory( 'credits', $this->getWikiPage(),
                        $this->getContext() )->getCredits( $wgMaxCredits, $wgShowCreditsIfMax ) );
                } else {
                    $tpl->set( 'lastmod', $this->lastModified() );
                }
            }
            $tpl->set( 'copyright', $this->getCopyright() );
        }
        wfProfileOut( __METHOD__ . '-stuff3' );

        wfProfileIn( __METHOD__ . '-stuff4' );
        $tpl->set( 'copyrightico', $this->getCopyrightIcon() );
        $tpl->set( 'poweredbyico', $this->getPoweredBy() );
        $tpl->set( 'disclaimer', $this->disclaimerLink() );
        $tpl->set( 'privacy', $this->privacyLink() );
        $tpl->set( 'about', $this->aboutLink() );

        $tpl->set( 'footerlinks', array(
            'info' => array(
                'lastmod',
                'viewcount',
                'numberofwatchingusers',
                'credits',
                'copyright',
            ),
            'places' => array(
                'privacy',
                'about',
                'disclaimer',
            ),
        ) );

        global $wgFooterIcons;
        $tpl->set( 'footericons', $wgFooterIcons );
        foreach ( $tpl->data['footericons'] as $footerIconsKey => &$footerIconsBlock ) {
            if ( count( $footerIconsBlock ) > 0 ) {
                foreach ( $footerIconsBlock as &$footerIcon ) {
                    if ( isset( $footerIcon['src'] ) ) {
                        if ( !isset( $footerIcon['width'] ) ) {
                            $footerIcon['width'] = 88;
                        }
                        if ( !isset( $footerIcon['height'] ) ) {
                            $footerIcon['height'] = 31;
                        }
                    }
                }
            } else {
                unset( $tpl->data['footericons'][$footerIconsKey] );
            }
        }

        $tpl->set( 'sitenotice', $this->getSiteNotice() );
        $tpl->set( 'bottomscripts', $this->bottomScripts() );
        $tpl->set( 'printfooter', $this->printSource() );

        # An ID that includes the actual body text; without categories, contentSub, ...
        $realBodyAttribs = array( 'id' => 'mw-content-text' );

        # Add a mw-content-ltr/rtl class to be able to style based on text direction
        # when the content is different from the UI language, i.e.:
        # not for special pages or file pages AND only when viewing AND if the page exists
        # (or is in MW namespace, because that has default content)
        if ( !in_array( $title->getNamespace(), array( NS_SPECIAL, NS_FILE ) ) &&
            Action::getActionName( $this ) === 'view' &&
            ( $title->exists() || $title->getNamespace() == NS_MEDIAWIKI ) ) {
            $pageLang = $title->getPageViewLanguage();
            $realBodyAttribs['lang'] = $pageLang->getHtmlCode();
            $realBodyAttribs['dir'] = $pageLang->getDir();
            $realBodyAttribs['class'] = 'mw-content-' . $pageLang->getDir();
        }

        $out->mBodytext = Html::rawElement( 'div', $realBodyAttribs, $out->mBodytext );
        $tpl->setRef( 'bodytext', $out->mBodytext );

        $language_urls = $this->getLanguages();
        if ( count( $language_urls ) ) {
            $tpl->setRef( 'language_urls', $language_urls );
        } else {
            $tpl->set( 'language_urls', false );
        }
        wfProfileOut( __METHOD__ . '-stuff4' );

        wfProfileIn( __METHOD__ . '-stuff5' );
        # Personal toolbar
        $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
        $content_navigation = $this->buildContentNavigationUrls();
        $content_actions = $this->buildContentActionUrls( $content_navigation );
        $tpl->setRef( 'content_navigation', $content_navigation );
        $tpl->setRef( 'content_actions', $content_actions );

        $tpl->set( 'sidebar', $this->buildSidebar() );
        $tpl->set( 'nav_urls', $this->buildNavUrls() );

        // Set the head scripts near the end, in case the above actions resulted in added scripts
        $tpl->set( 'headelement', $out->headElement( $this ) );

        $tpl->set( 'debug', '' );
        $tpl->set( 'debughtml', $this->generateDebugHTML() );
        $tpl->set( 'reporttime', wfReportTime() );

        // original version by hansm
        if ( !wfRunHooks( 'SkinTemplateOutputPageBeforeExec', array( &$this, &$tpl ) ) ) {
            wfDebug( __METHOD__ . ": Hook SkinTemplateOutputPageBeforeExec broke outputPage execution!\n" );
        }

        // Set the bodytext to another key so that skins can just output it on it's own
        // and output printfooter and debughtml separately
        $tpl->set( 'bodycontent', $tpl->data['bodytext'] );

        // Append printfooter and debughtml onto bodytext so that skins that
        // were already using bodytext before they were split out don't suddenly
        // start not outputting information.
        $tpl->data['bodytext'] .= Html::rawElement(
            'div',
            array( 'class' => 'printfooter' ),
            "\n{$tpl->data['printfooter']}"
        ) . "\n";
        $tpl->data['bodytext'] .= $tpl->data['debughtml'];

        // allow extensions adding stuff after the page content.
        // See Skin::afterContentHook() for further documentation.
        $tpl->set( 'dataAfterContent', $this->afterContentHook() );
        wfProfileOut( __METHOD__ . '-stuff5' );

        wfProfileOut( __METHOD__ );
        return $tpl;
    }

    public function getPersonalToolsList() {
        $tpl = $this->setupTemplateForOutput();
        $tpl->set( 'personal_urls', $this->buildPersonalUrls() );
        $html = '';
        foreach ( $tpl->getPersonalTools() as $key => $item ) {
            $html .= $tpl->makeListItem( $key, $item );
        }
        return $html;
    }

    function formatLanguageName( $name ) {
        return $this->getLanguage()->ucfirst( $name );
    }

    function printOrError( $str ) {
        echo $str;
    }

    function useCombinedLoginLink() {
        global $wgUseCombinedLoginLink;
        return $wgUseCombinedLoginLink;
    }

    protected function buildPersonalUrls() {
        $title = $this->getTitle();
        $request = $this->getRequest();
        $pageurl = $title->getLocalURL();
        wfProfileIn( __METHOD__ );

        /* set up the default links for the personal toolbar */
        $personal_urls = array();

        # Due to bug 32276, if a user does not have read permissions,
        # $this->getTitle() will just give Special:Badtitle, which is
        # not especially useful as a returnto parameter. Use the title
        # from the request instead, if there was one.
        if ( $this->getUser()->isAllowed( 'read' ) ) {
            $page = $this->getTitle();
        } else {
            $page = Title::newFromText( $request->getVal( 'title', '' ) );
        }
        $page = $request->getVal( 'returnto', $page );
        $a = array();
        if ( strval( $page ) !== '' ) {
            $a['returnto'] = $page;
            $query = $request->getVal( 'returntoquery', $this->thisquery );
            if ( $query != '' ) {
                $a['returntoquery'] = $query;
            }
        }

        $returnto = wfArrayToCgi( $a );
        if ( $this->loggedin ) {
            $personal_urls['userpage'] = array(
                'text' => $this->username,
                'href' => &$this->userpageUrlDetails['href'],
                'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
                'active' => ( $this->userpageUrlDetails['href'] == $pageurl ),
                'dir' => 'auto'
            );
            $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
            $personal_urls['mytalk'] = array(
                'text' => $this->msg( 'mytalk' )->text(),
                'href' => &$usertalkUrlDetails['href'],
                'class' => $usertalkUrlDetails['exists'] ? false : 'new',
                'active' => ( $usertalkUrlDetails['href'] == $pageurl )
            );
            $href = self::makeSpecialUrl( 'Preferences' );
            $personal_urls['preferences'] = array(
                'text' => $this->msg( 'mypreferences' )->text(),
                'href' => $href,
                'active' => ( $href == $pageurl )
            );

            if ( $this->getUser()->isAllowed( 'viewmywatchlist' ) ) {
                $href = self::makeSpecialUrl( 'Watchlist' );
                $personal_urls['watchlist'] = array(
                    'text' => $this->msg( 'mywatchlist' )->text(),
                    'href' => $href,
                    'active' => ( $href == $pageurl )
                );
            }

            # We need to do an explicit check for Special:Contributions, as we
            # have to match both the title, and the target, which could come
            # from request values (Special:Contributions?target=Jimbo_Wales)
            # or be specified in "sub page" form
            # (Special:Contributions/Jimbo_Wales). The plot
            # thickens, because the Title object is altered for special pages,
            # so it doesn't contain the original alias-with-subpage.
            $origTitle = Title::newFromText( $request->getText( 'title' ) );
            if ( $origTitle instanceof Title && $origTitle->isSpecialPage() ) {
                list( $spName, $spPar ) = SpecialPageFactory::resolveAlias( $origTitle->getText() );
                $active = $spName == 'Contributions'
                    && ( ( $spPar && $spPar == $this->username )
                        || $request->getText( 'target' ) == $this->username );
            } else {
                $active = false;
            }

            $href = self::makeSpecialUrlSubpage( 'Contributions', $this->username );
            $personal_urls['mycontris'] = array(
                'text' => $this->msg( 'mycontris' )->text(),
                'href' => $href,
                'active' => $active
            );
            $personal_urls['logout'] = array(
                'text' => $this->msg( 'pt-userlogout' )->text(),
                'href' => self::makeSpecialUrl( 'Userlogout',
                    // userlogout link must always contain an & character, otherwise we might not be able
                    // to detect a buggy precaching proxy (bug 17790)
                    $title->isSpecial( 'Preferences' ) ? 'noreturnto' : $returnto
                ),
                'active' => false
            );
        } else {
            $useCombinedLoginLink = $this->useCombinedLoginLink();
            $loginlink = $this->getUser()->isAllowed( 'createaccount' ) && $useCombinedLoginLink
                ? 'nav-login-createaccount'
                : 'pt-login';
            $is_signup = $request->getText( 'type' ) == 'signup';

            $login_url = array(
                'text' => $this->msg( $loginlink )->text(),
                'href' => self::makeSpecialUrl( 'Userlogin', $returnto ),
                'active' => $title->isSpecial( 'Userlogin' )
                    && ( $loginlink == 'nav-login-createaccount' || !$is_signup ),
            );
            $createaccount_url = array(
                'text' => $this->msg( 'pt-createaccount' )->text(),
                'href' => self::makeSpecialUrl( 'Userlogin', "$returnto&type=signup" ),
                'active' => $title->isSpecial( 'Userlogin' ) && $is_signup,
            );

            if ( $this->showIPinHeader() ) {
                $href = &$this->userpageUrlDetails['href'];
                $personal_urls['anonuserpage'] = array(
                    'text' => $this->username,
                    'href' => $href,
                    'class' => $this->userpageUrlDetails['exists'] ? false : 'new',
                    'active' => ( $pageurl == $href )
                );
                $usertalkUrlDetails = $this->makeTalkUrlDetails( $this->userpage );
                $href = &$usertalkUrlDetails['href'];
                $personal_urls['anontalk'] = array(
                    'text' => $this->msg( 'anontalk' )->text(),
                    'href' => $href,
                    'class' => $usertalkUrlDetails['exists'] ? false : 'new',
                    'active' => ( $pageurl == $href )
                );
            }

            if ( $this->getUser()->isAllowed( 'createaccount' ) && !$useCombinedLoginLink ) {
                $personal_urls['createaccount'] = $createaccount_url;
            }

            $personal_urls['login'] = $login_url;
        }

        wfRunHooks( 'PersonalUrls', array( &$personal_urls, &$title, $this ) );
        wfProfileOut( __METHOD__ );
        return $personal_urls;
    }

    function tabAction( $title, $message, $selected, $query = '', $checkEdit = false ) {
        $classes = array();
        if ( $selected ) {
            $classes[] = 'selected';
        }
        if ( $checkEdit && !$title->isKnown() ) {
            $classes[] = 'new';
            if ( $query !== '' ) {
                $query = 'action=edit&redlink=1&' . $query;
            } else {
                $query = 'action=edit&redlink=1';
            }
        }

        // wfMessageFallback will nicely accept $message as an array of fallbacks
        // or just a single key
        $msg = wfMessageFallback( $message )->setContext( $this->getContext() );
        if ( is_array( $message ) ) {
            // for hook compatibility just keep the last message name
            $message = end( $message );
        }
        if ( $msg->exists() ) {
            $text = $msg->text();
        } else {
            global $wgContLang;
            $text = $wgContLang->getFormattedNsText(
                MWNamespace::getSubject( $title->getNamespace() ) );
        }

        $result = array();
        if ( !wfRunHooks( 'SkinTemplateTabAction', array( &$this,
                $title, $message, $selected, $checkEdit,
                &$classes, &$query, &$text, &$result ) ) ) {
            return $result;
        }

        return array(
            'class' => implode( ' ', $classes ),
            'text' => $text,
            'href' => $title->getLocalURL( $query ),
            'primary' => true );
    }

    function makeTalkUrlDetails( $name, $urlaction = '' ) {
        $title = Title::newFromText( $name );
        if ( !is_object( $title ) ) {
            throw new MWException( __METHOD__ . " given invalid pagename $name" );
        }
        $title = $title->getTalkPage();
        self::checkTitle( $title, $name );
        return array(
            'href' => $title->getLocalURL( $urlaction ),
            'exists' => $title->getArticleID() != 0,
        );
    }

    function makeArticleUrlDetails( $name, $urlaction = '' ) {
        $title = Title::newFromText( $name );
        $title = $title->getSubjectPage();
        self::checkTitle( $title, $name );
        return array(
            'href' => $title->getLocalURL( $urlaction ),
            'exists' => $title->getArticleID() != 0,
        );
    }

    protected function buildContentNavigationUrls() {
        global $wgDisableLangConversion;

        wfProfileIn( __METHOD__ );

        // Display tabs for the relevant title rather than always the title itself
        $title = $this->getRelevantTitle();
        $onPage = $title->equals( $this->getTitle() );

        $out = $this->getOutput();
        $request = $this->getRequest();
        $user = $this->getUser();

        $content_navigation = array(
            'namespaces' => array(),
            'views' => array(),
            'actions' => array(),
            'variants' => array()
        );

        // parameters
        $action = $request->getVal( 'action', 'view' );

        $userCanRead = $title->quickUserCan( 'read', $user );

        $preventActiveTabs = false;
        wfRunHooks( 'SkinTemplatePreventOtherActiveTabs', array( &$this, &$preventActiveTabs ) );

        // Checks if page is some kind of content
        if ( $title->canExist() ) {
            // Gets page objects for the related namespaces
            $subjectPage = $title->getSubjectPage();
            $talkPage = $title->getTalkPage();

            // Determines if this is a talk page
            $isTalk = $title->isTalkPage();

            // Generates XML IDs from namespace names
            $subjectId = $title->getNamespaceKey( '' );

            if ( $subjectId == 'main' ) {
                $talkId = 'talk';
            } else {
                $talkId = "{$subjectId}_talk";
            }

            $skname = $this->skinname;

            // Adds namespace links
            $subjectMsg = array( "nstab-$subjectId" );
            if ( $subjectPage->isMainPage() ) {
                array_unshift( $subjectMsg, 'mainpage-nstab' );
            }
            $content_navigation['namespaces'][$subjectId] = $this->tabAction(
                $subjectPage, $subjectMsg, !$isTalk && !$preventActiveTabs, '', $userCanRead
            );
            $content_navigation['namespaces'][$subjectId]['context'] = 'subject';
            $content_navigation['namespaces'][$talkId] = $this->tabAction(
                $talkPage, array( "nstab-$talkId", 'talk' ), $isTalk && !$preventActiveTabs, '', $userCanRead
            );
            $content_navigation['namespaces'][$talkId]['context'] = 'talk';

            if ( $userCanRead ) {
                $isForeignFile = $title->inNamespace( NS_FILE ) && $this->canUseWikiPage() &&
                    $this->getWikiPage() instanceof WikiFilePage && !$this->getWikiPage()->isLocal();

                // Adds view view link
                if ( $title->exists() || $isForeignFile ) {
                    $content_navigation['views']['view'] = $this->tabAction(
                        $isTalk ? $talkPage : $subjectPage,
                        array( "$skname-view-view", 'view' ),
                        ( $onPage && ( $action == 'view' || $action == 'purge' ) ), '', true
                    );
                    // signal to hide this from simple content_actions
                    $content_navigation['views']['view']['redundant'] = true;
                }

                // If it is a non-local file, show a link to the file in its own repository
                if ( $isForeignFile ) {
                    $file = $this->getWikiPage()->getFile();
                    $content_navigation['views']['view-foreign'] = array(
                        'class' => '',
                        'text' => wfMessageFallback( "$skname-view-foreign", 'view-foreign' )->
                            setContext( $this->getContext() )->
                            params( $file->getRepo()->getDisplayName() )->text(),
                        'href' => $file->getDescriptionUrl(),
                        'primary' => false,
                    );
                }

                wfProfileIn( __METHOD__ . '-edit' );

                // Checks if user can edit the current page if it exists or create it otherwise
                if ( $title->quickUserCan( 'edit', $user )
                    && ( $title->exists() || $title->quickUserCan( 'create', $user ) )
                ) {
                    // Builds CSS class for talk page links
                    $isTalkClass = $isTalk ? ' istalk' : '';
                    // Whether the user is editing the page
                    $isEditing = $onPage && ( $action == 'edit' || $action == 'submit' );
                    // Whether to show the "Add a new section" tab
                    // Checks if this is a current rev of talk page and is not forced to be hidden
                    $showNewSection = !$out->forceHideNewSectionLink()
                        && ( ( $isTalk && $this->isRevisionCurrent() ) || $out->showNewSectionLink() );
                    $section = $request->getVal( 'section' );

                    if ( $title->exists()
                        || ( $title->getNamespace() == NS_MEDIAWIKI
                            && $title->getDefaultMessageText() !== false
                        )
                    ) {
                        $msgKey = $isForeignFile ? 'edit-local' : 'edit';
                    } else {
                        $msgKey = $isForeignFile ? 'create-local' : 'create';
                    }
                    $content_navigation['views']['edit'] = array(
                        'class' => ( $isEditing && ( $section !== 'new' || !$showNewSection )
                            ? 'selected'
                            : ''
                        ) . $isTalkClass,
                        'text' => wfMessageFallback( "$skname-view-$msgKey", $msgKey )
                            ->setContext( $this->getContext() )->text(),
                        'href' => $title->getLocalURL( $this->editUrlOptions() ),
                        'primary' => !$isForeignFile, // don't collapse this in vector
                    );

                    // section link
                    if ( $showNewSection ) {
                        // Adds new section link
                        //$content_navigation['actions']['addsection']
                        $content_navigation['views']['addsection'] = array(
                            'class' => ( $isEditing && $section == 'new' ) ? 'selected' : false,
                            'text' => wfMessageFallback( "$skname-action-addsection", 'addsection' )
                                ->setContext( $this->getContext() )->text(),
                            'href' => $title->getLocalURL( 'action=edit&section=new' )
                        );
                    }
                // Checks if the page has some kind of viewable content
                } elseif ( $title->hasSourceText() ) {
                    // Adds view source view link
                    $content_navigation['views']['viewsource'] = array(
                        'class' => ( $onPage && $action == 'edit' ) ? 'selected' : false,
                        'text' => wfMessageFallback( "$skname-action-viewsource", 'viewsource' )
                            ->setContext( $this->getContext() )->text(),
                        'href' => $title->getLocalURL( $this->editUrlOptions() ),
                        'primary' => true, // don't collapse this in vector
                    );
                }
                wfProfileOut( __METHOD__ . '-edit' );

                wfProfileIn( __METHOD__ . '-live' );
                // Checks if the page exists
                if ( $title->exists() ) {
                    // Adds history view link
                    $content_navigation['views']['history'] = array(
                        'class' => ( $onPage && $action == 'history' ) ? 'selected' : false,
                        'text' => wfMessageFallback( "$skname-view-history", 'history_short' )
                            ->setContext( $this->getContext() )->text(),
                        'href' => $title->getLocalURL( 'action=history' ),
                        'rel' => 'archives',
                    );

                    if ( $title->quickUserCan( 'delete', $user ) ) {
                        $content_navigation['actions']['delete'] = array(
                            'class' => ( $onPage && $action == 'delete' ) ? 'selected' : false,
                            'text' => wfMessageFallback( "$skname-action-delete", 'delete' )
                                ->setContext( $this->getContext() )->text(),
                            'href' => $title->getLocalURL( 'action=delete' )
                        );
                    }

                    if ( $title->quickUserCan( 'move', $user ) ) {
                        $moveTitle = SpecialPage::getTitleFor( 'Movepage', $title->getPrefixedDBkey() );
                        $content_navigation['actions']['move'] = array(
                            'class' => $this->getTitle()->isSpecial( 'Movepage' ) ? 'selected' : false,
                            'text' => wfMessageFallback( "$skname-action-move", 'move' )
                                ->setContext( $this->getContext() )->text(),
                            'href' => $moveTitle->getLocalURL()
                        );
                    }
                } else {
                    // article doesn't exist or is deleted
                    if ( $user->isAllowed( 'deletedhistory' ) ) {
                        $n = $title->isDeleted();
                        if ( $n ) {
                            $undelTitle = SpecialPage::getTitleFor( 'Undelete' );
                            // If the user can't undelete but can view deleted
                            // history show them a "View .. deleted" tab instead.
                            $msgKey = $user->isAllowed( 'undelete' ) ? 'undelete' : 'viewdeleted';
                            $content_navigation['actions']['undelete'] = array(
                                'class' => $this->getTitle()->isSpecial( 'Undelete' ) ? 'selected' : false,
                                'text' => wfMessageFallback( "$skname-action-$msgKey", "{$msgKey}_short" )
                                    ->setContext( $this->getContext() )->numParams( $n )->text(),
                                'href' => $undelTitle->getLocalURL( array( 'target' => $title->getPrefixedDBkey() ) )
                            );
                        }
                    }
                }

                if ( $title->quickUserCan( 'protect', $user ) && $title->getRestrictionTypes() &&
                    MWNamespace::getRestrictionLevels( $title->getNamespace(), $user ) !== array( '' )
                ) {
                    $mode = $title->isProtected() ? 'unprotect' : 'protect';
                    $content_navigation['actions'][$mode] = array(
                        'class' => ( $onPage && $action == $mode ) ? 'selected' : false,
                        'text' => wfMessageFallback( "$skname-action-$mode", $mode )
                            ->setContext( $this->getContext() )->text(),
                        'href' => $title->getLocalURL( "action=$mode" )
                    );
                }

                wfProfileOut( __METHOD__ . '-live' );

                // Checks if the user is logged in
                if ( $this->loggedin && $user->isAllowedAll( 'viewmywatchlist', 'editmywatchlist' ) ) {
                    $mode = $user->isWatched( $title ) ? 'unwatch' : 'watch';
                    $token = WatchAction::getWatchToken( $title, $user, $mode );
                    $content_navigation['actions'][$mode] = array(
                        'class' => $onPage && ( $action == 'watch' || $action == 'unwatch' ) ? 'selected' : false,
                        // uses 'watch' or 'unwatch' message
                        'text' => $this->msg( $mode )->text(),
                        'href' => $title->getLocalURL( array( 'action' => $mode, 'token' => $token ) )
                    );
                }
            }

            wfRunHooks( 'SkinTemplateNavigation', array( &$this, &$content_navigation ) );

            if ( $userCanRead && !$wgDisableLangConversion ) {
                $pageLang = $title->getPageLanguage();
                // Gets list of language variants
                $variants = $pageLang->getVariants();
                // Checks that language conversion is enabled and variants exist
                // And if it is not in the special namespace
                if ( count( $variants ) > 1 ) {
                    // Gets preferred variant (note that user preference is
                    // only possible for wiki content language variant)
                    $preferred = $pageLang->getPreferredVariant();
                    if ( Action::getActionName( $this ) === 'view' ) {
                        $params = $request->getQueryValues();
                        unset( $params['title'] );
                    } else {
                        $params = array();
                    }
                    // Loops over each variant
                    foreach ( $variants as $code ) {
                        // Gets variant name from language code
                        $varname = $pageLang->getVariantname( $code );
                        // Appends variant link
                        $content_navigation['variants'][] = array(
                            'class' => ( $code == $preferred ) ? 'selected' : false,
                            'text' => $varname,
                            'href' => $title->getLocalURL( array( 'variant' => $code ) + $params ),
                            'lang' => wfBCP47( $code ),
                            'hreflang' => wfBCP47( $code ),
                        );
                    }
                }
            }
        } else {
            // If it's not content, it's got to be a special page
            $content_navigation['namespaces']['special'] = array(
                'class' => 'selected',
                'text' => $this->msg( 'nstab-special' )->text(),
                'href' => $request->getRequestURL(), // @see: bug 2457, bug 2510
                'context' => 'subject'
            );

            wfRunHooks( 'SkinTemplateNavigation::SpecialPage',
                array( &$this, &$content_navigation ) );
        }

        // Equiv to SkinTemplateContentActions
        wfRunHooks( 'SkinTemplateNavigation::Universal', array( &$this, &$content_navigation ) );

        // Setup xml ids and tooltip info
        foreach ( $content_navigation as $section => &$links ) {
            foreach ( $links as $key => &$link ) {
                $xmlID = $key;
                if ( isset( $link['context'] ) && $link['context'] == 'subject' ) {
                    $xmlID = 'ca-nstab-' . $xmlID;
                } elseif ( isset( $link['context'] ) && $link['context'] == 'talk' ) {
                    $xmlID = 'ca-talk';
                } elseif ( $section == 'variants' ) {
                    $xmlID = 'ca-varlang-' . $xmlID;
                } else {
                    $xmlID = 'ca-' . $xmlID;
                }
                $link['id'] = $xmlID;
            }
        }

        # We don't want to give the watch tab an accesskey if the
        # page is being edited, because that conflicts with the
        # accesskey on the watch checkbox.  We also don't want to
        # give the edit tab an accesskey, because that's fairly
        # superfluous and conflicts with an accesskey (Ctrl-E) often
        # used for editing in Safari.
        if ( in_array( $action, array( 'edit', 'submit' ) ) ) {
            if ( isset( $content_navigation['views']['edit'] ) ) {
                $content_navigation['views']['edit']['tooltiponly'] = true;
            }
            if ( isset( $content_navigation['actions']['watch'] ) ) {
                $content_navigation['actions']['watch']['tooltiponly'] = true;
            }
            if ( isset( $content_navigation['actions']['unwatch'] ) ) {
                $content_navigation['actions']['unwatch']['tooltiponly'] = true;
            }
        }

        wfProfileOut( __METHOD__ );

        return $content_navigation;
    }

    private function buildContentActionUrls( $content_navigation ) {

        wfProfileIn( __METHOD__ );

        // content_actions has been replaced with content_navigation for backwards
        // compatibility and also for skins that just want simple tabs content_actions
        // is now built by flattening the content_navigation arrays into one

        $content_actions = array();

        foreach ( $content_navigation as $links ) {
            foreach ( $links as $key => $value ) {
                if ( isset( $value['redundant'] ) && $value['redundant'] ) {
                    // Redundant tabs are dropped from content_actions
                    continue;
                }

                // content_actions used to have ids built using the "ca-$key" pattern
                // so the xmlID based id is much closer to the actual $key that we want
                // for that reason we'll just strip out the ca- if present and use
                // the latter potion of the "id" as the $key
                if ( isset( $value['id'] ) && substr( $value['id'], 0, 3 ) == 'ca-' ) {
                    $key = substr( $value['id'], 3 );
                }

                if ( isset( $content_actions[$key] ) ) {
                    wfDebug( __METHOD__ . ": Found a duplicate key for $key while flattening " .
                        "content_navigation into content_actions.\n" );
                    continue;
                }

                $content_actions[$key] = $value;
            }
        }

        wfProfileOut( __METHOD__ );

        return $content_actions;
    }

    protected function buildNavUrls() {
        global $wgUploadNavigationUrl;

        wfProfileIn( __METHOD__ );

        $out = $this->getOutput();
        $request = $this->getRequest();

        $nav_urls = array();
        $nav_urls['mainpage'] = array( 'href' => self::makeMainPageUrl() );
        if ( $wgUploadNavigationUrl ) {
            $nav_urls['upload'] = array( 'href' => $wgUploadNavigationUrl );
        } elseif ( UploadBase::isEnabled() && UploadBase::isAllowed( $this->getUser() ) === true ) {
            $nav_urls['upload'] = array( 'href' => self::makeSpecialUrl( 'Upload' ) );
        } else {
            $nav_urls['upload'] = false;
        }
        $nav_urls['specialpages'] = array( 'href' => self::makeSpecialUrl( 'Specialpages' ) );

        $nav_urls['print'] = false;
        $nav_urls['permalink'] = false;
        $nav_urls['info'] = false;
        $nav_urls['whatlinkshere'] = false;
        $nav_urls['recentchangeslinked'] = false;
        $nav_urls['contributions'] = false;
        $nav_urls['log'] = false;
        $nav_urls['blockip'] = false;
        $nav_urls['emailuser'] = false;
        $nav_urls['userrights'] = false;

        // A print stylesheet is attached to all pages, but nobody ever
        // figures that out. :)  Add a link...
        if ( !$out->isPrintable() && ( $out->isArticle() || $this->getTitle()->isSpecialPage() ) ) {
            $nav_urls['print'] = array(
                'text' => $this->msg( 'printableversion' )->text(),
                'href' => $this->getTitle()->getLocalURL(
                    $request->appendQueryValue( 'printable', 'yes', true ) )
            );
        }

        if ( $out->isArticle() ) {
            // Also add a "permalink" while we're at it
            $revid = $this->getRevisionId();
            if ( $revid ) {
                $nav_urls['permalink'] = array(
                    'text' => $this->msg( 'permalink' )->text(),
                    'href' => $this->getTitle()->getLocalURL( "oldid=$revid" )
                );
            }

            // Use the copy of revision ID in case this undocumented, shady hook tries to mess with internals
            wfRunHooks( 'SkinTemplateBuildNavUrlsNav_urlsAfterPermalink',
                array( &$this, &$nav_urls, &$revid, &$revid ) );
        }

        if ( $out->isArticleRelated() ) {
            $nav_urls['whatlinkshere'] = array(
                'href' => SpecialPage::getTitleFor( 'Whatlinkshere', $this->thispage )->getLocalURL()
            );

            $nav_urls['info'] = array(
                'text' => $this->msg( 'pageinfo-toolboxlink' )->text(),
                'href' => $this->getTitle()->getLocalURL( "action=info" )
            );

            if ( $this->getTitle()->getArticleID() ) {
                $nav_urls['recentchangeslinked'] = array(
                    'href' => SpecialPage::getTitleFor( 'Recentchangeslinked', $this->thispage )->getLocalURL()
                );
            }
        }

        $user = $this->getRelevantUser();
        if ( $user ) {
            $rootUser = $user->getName();

            $nav_urls['contributions'] = array(
                'text' => $this->msg( 'contributions', $rootUser )->text(),
                'href' => self::makeSpecialUrlSubpage( 'Contributions', $rootUser )
            );

            $nav_urls['log'] = array(
                'href' => self::makeSpecialUrlSubpage( 'Log', $rootUser )
            );

            if ( $this->getUser()->isAllowed( 'block' ) ) {
                $nav_urls['blockip'] = array(
                    'text' => $this->msg( 'blockip', $rootUser )->text(),
                    'href' => self::makeSpecialUrlSubpage( 'Block', $rootUser )
                );
            }

            if ( $this->showEmailUser( $user ) ) {
                $nav_urls['emailuser'] = array(
                    'href' => self::makeSpecialUrlSubpage( 'Emailuser', $rootUser )
                );
            }

            if ( !$user->isAnon() ) {
                $sur = new UserrightsPage;
                $sur->setContext( $this->getContext() );
                if ( $sur->userCanExecute( $this->getUser() ) ) {
                    $nav_urls['userrights'] = array(
                        'href' => self::makeSpecialUrlSubpage( 'Userrights', $rootUser )
                    );
                }
            }
        }

        wfProfileOut( __METHOD__ );
        return $nav_urls;
    }

    protected function getNameSpaceKey() {
        return $this->getTitle()->getNamespaceKey();
    }
}

abstract class QuickTemplate {

    protected $config;

    function __construct( Config $config = null ) {
        $this->data = array();
        $this->translator = new MediaWikiI18N();
        if ( $config === null ) {
            wfDebug( __METHOD__ . ' was called with no Config instance passed to it' );
            $config = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
        }
        $this->config = $config;
    }

    public function set( $name, $value ) {
        $this->data[$name] = $value;
    }

    public function get( $name, $default = null ) {
        if ( isset( $this->data[$name] ) ) {
            return $this->data[$name];
        } else {
            return $default;
        }
    }

    public function setRef( $name, &$value ) {
        $this->data[$name] =& $value;
    }

    public function setTranslator( &$t ) {
        $this->translator = &$t;
    }

    abstract public function execute();

    function text( $str ) {
        echo htmlspecialchars( $this->data[$str] );
    }

    function html( $str ) {
        echo $this->data[$str];
    }

    function msg( $str ) {
        echo htmlspecialchars( $this->translator->translate( $str ) );
    }

    function msgHtml( $str ) {
        echo $this->translator->translate( $str );
    }

    function msgWiki( $str ) {
        global $wgOut;

        $text = $this->translator->translate( $str );
        echo $wgOut->parse( $text );
    }

    function haveData( $str ) {
        return isset( $this->data[$str] );
    }

    function haveMsg( $str ) {
        $msg = $this->translator->translate( $str );
        return ( $msg != '-' ) && ( $msg != '' ); # ????
    }

    public function getSkin() {
        return $this->data['skin'];
    }

    public function getHTML() {
        ob_start();
        $this->execute();
        $html = ob_get_contents();
        ob_end_clean();
        return $html;
    }
}

abstract class BaseTemplate extends QuickTemplate {

    public function getMsg( $name ) {
        return $this->getSkin()->msg( $name );
    }

    function msg( $str ) {
        echo $this->getMsg( $str )->escaped();
    }

    function msgHtml( $str ) {
        echo $this->getMsg( $str )->text();
    }

    function msgWiki( $str ) {
        echo $this->getMsg( $str )->parseAsBlock();
    }

    function getToolbox() {
        wfProfileIn( __METHOD__ );

        $toolbox = array();
        if ( isset( $this->data['nav_urls']['whatlinkshere'] )
            && $this->data['nav_urls']['whatlinkshere']
        ) {
            $toolbox['whatlinkshere'] = $this->data['nav_urls']['whatlinkshere'];
            $toolbox['whatlinkshere']['id'] = 't-whatlinkshere';
        }
        if ( isset( $this->data['nav_urls']['recentchangeslinked'] )
            && $this->data['nav_urls']['recentchangeslinked']
        ) {
            $toolbox['recentchangeslinked'] = $this->data['nav_urls']['recentchangeslinked'];
            $toolbox['recentchangeslinked']['msg'] = 'recentchangeslinked-toolbox';
            $toolbox['recentchangeslinked']['id'] = 't-recentchangeslinked';
        }
        if ( isset( $this->data['feeds'] ) && $this->data['feeds'] ) {
            $toolbox['feeds']['id'] = 'feedlinks';
            $toolbox['feeds']['links'] = array();
            foreach ( $this->data['feeds'] as $key => $feed ) {
                $toolbox['feeds']['links'][$key] = $feed;
                $toolbox['feeds']['links'][$key]['id'] = "feed-$key";
                $toolbox['feeds']['links'][$key]['rel'] = 'alternate';
                $toolbox['feeds']['links'][$key]['type'] = "application/{$key}+xml";
                $toolbox['feeds']['links'][$key]['class'] = 'feedlink';
            }
        }
        foreach ( array( 'contributions', 'log', 'blockip', 'emailuser',
            'userrights', 'upload', 'specialpages' ) as $special
        ) {
            if ( isset( $this->data['nav_urls'][$special] ) && $this->data['nav_urls'][$special] ) {
                $toolbox[$special] = $this->data['nav_urls'][$special];
                $toolbox[$special]['id'] = "t-$special";
            }
        }
        if ( isset( $this->data['nav_urls']['print'] ) && $this->data['nav_urls']['print'] ) {
            $toolbox['print'] = $this->data['nav_urls']['print'];
            $toolbox['print']['id'] = 't-print';
            $toolbox['print']['rel'] = 'alternate';
            $toolbox['print']['msg'] = 'printableversion';
        }
        if ( isset( $this->data['nav_urls']['permalink'] ) && $this->data['nav_urls']['permalink'] ) {
            $toolbox['permalink'] = $this->data['nav_urls']['permalink'];
            if ( $toolbox['permalink']['href'] === '' ) {
                unset( $toolbox['permalink']['href'] );
                $toolbox['ispermalink']['tooltiponly'] = true;
                $toolbox['ispermalink']['id'] = 't-ispermalink';
                $toolbox['ispermalink']['msg'] = 'permalink';
            } else {
                $toolbox['permalink']['id'] = 't-permalink';
            }
        }
        if ( isset( $this->data['nav_urls']['info'] ) && $this->data['nav_urls']['info'] ) {
            $toolbox['info'] = $this->data['nav_urls']['info'];
            $toolbox['info']['id'] = 't-info';
        }

        wfRunHooks( 'BaseTemplateToolbox', array( &$this, &$toolbox ) );
        wfProfileOut( __METHOD__ );
        return $toolbox;
    }

    function getPersonalTools() {
        $personal_tools = array();
        foreach ( $this->get( 'personal_urls' ) as $key => $plink ) {
            # The class on a personal_urls item is meant to go on the <a> instead
            # of the <li> so we have to use a single item "links" array instead
            # of using most of the personal_url's keys directly.
            $ptool = array(
                'links' => array(
                    array( 'single-id' => "pt-$key" ),
                ),
                'id' => "pt-$key",
            );
            if ( isset( $plink['active'] ) ) {
                $ptool['active'] = $plink['active'];
            }
            foreach ( array( 'href', 'class', 'text', 'dir' ) as $k ) {
                if ( isset( $plink[$k] ) ) {
                    $ptool['links'][0][$k] = $plink[$k];
                }
            }
            $personal_tools[$key] = $ptool;
        }
        return $personal_tools;
    }

    function getSidebar( $options = array() ) {
        // Force the rendering of the following portals
        $sidebar = $this->data['sidebar'];
        if ( !isset( $sidebar['SEARCH'] ) ) {
            $sidebar['SEARCH'] = true;
        }
        if ( !isset( $sidebar['TOOLBOX'] ) ) {
            $sidebar['TOOLBOX'] = true;
        }
        if ( !isset( $sidebar['LANGUAGES'] ) ) {
            $sidebar['LANGUAGES'] = true;
        }

        if ( !isset( $options['search'] ) || $options['search'] !== true ) {
            unset( $sidebar['SEARCH'] );
        }
        if ( isset( $options['toolbox'] ) && $options['toolbox'] === false ) {
            unset( $sidebar['TOOLBOX'] );
        }
        if ( isset( $options['languages'] ) && $options['languages'] === false ) {
            unset( $sidebar['LANGUAGES'] );
        }

        $boxes = array();
        foreach ( $sidebar as $boxName => $content ) {
            if ( $content === false ) {
                continue;
            }
            switch ( $boxName ) {
            case 'SEARCH':
                // Search is a special case, skins should custom implement this
                $boxes[$boxName] = array(
                    'id' => 'p-search',
                    'header' => $this->getMsg( 'search' )->text(),
                    'generated' => false,
                    'content' => true,
                );
                break;
            case 'TOOLBOX':
                $msgObj = $this->getMsg( 'toolbox' );
                $boxes[$boxName] = array(
                    'id' => 'p-tb',
                    'header' => $msgObj->exists() ? $msgObj->text() : 'toolbox',
                    'generated' => false,
                    'content' => $this->getToolbox(),
                );
                break;
            case 'LANGUAGES':
                if ( $this->data['language_urls'] ) {
                    $msgObj = $this->getMsg( 'otherlanguages' );
                    $boxes[$boxName] = array(
                        'id' => 'p-lang',
                        'header' => $msgObj->exists() ? $msgObj->text() : 'otherlanguages',
                        'generated' => false,
                        'content' => $this->data['language_urls'],
                    );
                }
                break;
            default:
                $msgObj = $this->getMsg( $boxName );
                $boxes[$boxName] = array(
                    'id' => "p-$boxName",
                    'header' => $msgObj->exists() ? $msgObj->text() : $boxName,
                    'generated' => true,
                    'content' => $content,
                );
                break;
            }
        }

        // HACK: Compatibility with extensions still using SkinTemplateToolboxEnd
        $hookContents = null;
        if ( isset( $boxes['TOOLBOX'] ) ) {
            ob_start();
            // We pass an extra 'true' at the end so extensions using BaseTemplateToolbox
            // can abort and avoid outputting double toolbox links
            wfRunHooks( 'SkinTemplateToolboxEnd', array( &$this, true ) );
            $hookContents = ob_get_contents();
            ob_end_clean();
            if ( !trim( $hookContents ) ) {
                $hookContents = null;
            }
        }
        // END hack

        if ( isset( $options['htmlOnly'] ) && $options['htmlOnly'] === true ) {
            foreach ( $boxes as $boxName => $box ) {
                if ( is_array( $box['content'] ) ) {
                    $content = '<ul>';
                    foreach ( $box['content'] as $key => $val ) {
                        $content .= "\n " . $this->makeListItem( $key, $val );
                    }
                    // HACK, shove the toolbox end onto the toolbox if we're rendering itself
                    if ( $hookContents ) {
                        $content .= "\n $hookContents";
                    }
                    // END hack
                    $content .= "\n</ul>\n";
                    $boxes[$boxName]['content'] = $content;
                }
            }
        } else {
            if ( $hookContents ) {
                $boxes['TOOLBOXEND'] = array(
                    'id' => 'p-toolboxend',
                    'header' => $boxes['TOOLBOX']['header'],
                    'generated' => false,
                    'content' => "<ul>{$hookContents}</ul>",
                );
                // HACK: Make sure that TOOLBOXEND is sorted next to TOOLBOX
                $boxes2 = array();
                foreach ( $boxes as $key => $box ) {
                    if ( $key === 'TOOLBOXEND' ) {
                        continue;
                    }
                    $boxes2[$key] = $box;
                    if ( $key === 'TOOLBOX' ) {
                        $boxes2['TOOLBOXEND'] = $boxes['TOOLBOXEND'];
                    }
                }
                $boxes = $boxes2;
                // END hack
            }
        }

        return $boxes;
    }

    protected function renderAfterPortlet( $name ) {
        $content = '';
        wfRunHooks( 'BaseTemplateAfterPortlet', array( $this, $name, &$content ) );

        if ( $content !== '' ) {
            echo "<div class='after-portlet after-portlet-$name'>$content</div>";
        }

    }

    function makeLink( $key, $item, $options = array() ) {
        if ( isset( $item['text'] ) ) {
            $text = $item['text'];
        } else {
            $text = $this->translator->translate( isset( $item['msg'] ) ? $item['msg'] : $key );
        }

        $html = htmlspecialchars( $text );

        if ( isset( $options['text-wrapper'] ) ) {
            $wrapper = $options['text-wrapper'];
            if ( isset( $wrapper['tag'] ) ) {
                $wrapper = array( $wrapper );
            }
            while ( count( $wrapper ) > 0 ) {
                $element = array_pop( $wrapper );
                $html = Html::rawElement( $element['tag'], isset( $element['attributes'] )
                    ? $element['attributes']
                    : null, $html );
            }
        }

        if ( isset( $item['href'] ) || isset( $options['link-fallback'] ) ) {
            $attrs = $item;
            foreach ( array( 'single-id', 'text', 'msg', 'tooltiponly', 'context', 'primary' ) as $k ) {
                unset( $attrs[$k] );
            }

            if ( isset( $item['id'] ) && !isset( $item['single-id'] ) ) {
                $item['single-id'] = $item['id'];
            }
            if ( isset( $item['single-id'] ) ) {
                if ( isset( $item['tooltiponly'] ) && $item['tooltiponly'] ) {
                    $title = Linker::titleAttrib( $item['single-id'] );
                    if ( $title !== false ) {
                        $attrs['title'] = $title;
                    }
                } else {
                    $tip = Linker::tooltipAndAccesskeyAttribs( $item['single-id'] );
                    if ( isset( $tip['title'] ) && $tip['title'] !== false ) {
                        $attrs['title'] = $tip['title'];
                    }
                    if ( isset( $tip['accesskey'] ) && $tip['accesskey'] !== false ) {
                        $attrs['accesskey'] = $tip['accesskey'];
                    }
                }
            }
            if ( isset( $options['link-class'] ) ) {
                if ( isset( $attrs['class'] ) ) {
                    $attrs['class'] .= " {$options['link-class']}";
                } else {
                    $attrs['class'] = $options['link-class'];
                }
            }
            $html = Html::rawElement( isset( $attrs['href'] )
                ? 'a'
                : $options['link-fallback'], $attrs, $html );
        }

        return $html;
    }

    function makeListItem( $key, $item, $options = array() ) {
        if ( isset( $item['links'] ) ) {
            $links = array();
            foreach ( $item['links'] as $linkKey => $link ) {
                $links[] = $this->makeLink( $linkKey, $link, $options );
            }
            $html = implode( ' ', $links );
        } else {
            $link = $item;
            // These keys are used by makeListItem and shouldn't be passed on to the link
            foreach ( array( 'id', 'class', 'active', 'tag', 'itemtitle' ) as $k ) {
                unset( $link[$k] );
            }
            if ( isset( $item['id'] ) && !isset( $item['single-id'] ) ) {
                // The id goes on the <li> not on the <a> for single links
                // but makeSidebarLink still needs to know what id to use when
                // generating tooltips and accesskeys.
                $link['single-id'] = $item['id'];
            }
            $html = $this->makeLink( $key, $link, $options );
        }

        $attrs = array();
        foreach ( array( 'id', 'class' ) as $attr ) {
            if ( isset( $item[$attr] ) ) {
                $attrs[$attr] = $item[$attr];
            }
        }
        if ( isset( $item['active'] ) && $item['active'] ) {
            if ( !isset( $attrs['class'] ) ) {
                $attrs['class'] = '';
            }
            $attrs['class'] .= ' active';
            $attrs['class'] = trim( $attrs['class'] );
        }
        if ( isset( $item['itemtitle'] ) ) {
            $attrs['title'] = $item['itemtitle'];
        }
        return Html::rawElement( isset( $options['tag'] ) ? $options['tag'] : 'li', $attrs, $html );
    }

    function makeSearchInput( $attrs = array() ) {
        $realAttrs = array(
            'type' => 'search',
            'name' => 'search',
            'placeholder' => wfMessage( 'searchsuggest-search' )->text(),
            'value' => $this->get( 'search', '' ),
        );
        $realAttrs = array_merge( $realAttrs, Linker::tooltipAndAccesskeyAttribs( 'search' ), $attrs );
        return Html::element( 'input', $realAttrs );
    }

    function makeSearchButton( $mode, $attrs = array() ) {
        switch ( $mode ) {
            case 'go':
            case 'fulltext':
                $realAttrs = array(
                    'type' => 'submit',
                    'name' => $mode,
                    'value' => $this->translator->translate(
                        $mode == 'go' ? 'searcharticle' : 'searchbutton' ),
                );
                $realAttrs = array_merge(
                    $realAttrs,
                    Linker::tooltipAndAccesskeyAttribs( "search-$mode" ),
                    $attrs
                );
                return Html::element( 'input', $realAttrs );
            case 'image':
                $buttonAttrs = array(
                    'type' => 'submit',
                    'name' => 'button',
                );
                $buttonAttrs = array_merge(
                    $buttonAttrs,
                    Linker::tooltipAndAccesskeyAttribs( 'search-fulltext' ),
                    $attrs
                );
                unset( $buttonAttrs['src'] );
                unset( $buttonAttrs['alt'] );
                unset( $buttonAttrs['width'] );
                unset( $buttonAttrs['height'] );
                $imgAttrs = array(
                    'src' => $attrs['src'],
                    'alt' => isset( $attrs['alt'] )
                        ? $attrs['alt']
                        : $this->translator->translate( 'searchbutton' ),
                    'width' => isset( $attrs['width'] ) ? $attrs['width'] : null,
                    'height' => isset( $attrs['height'] ) ? $attrs['height'] : null,
                );
                return Html::rawElement( 'button', $buttonAttrs, Html::element( 'img', $imgAttrs ) );
            default:
                throw new MWException( 'Unknown mode passed to BaseTemplate::makeSearchButton' );
        }
    }

    function getFooterLinks( $option = null ) {
        $footerlinks = $this->get( 'footerlinks' );

        // Reduce footer links down to only those which are being used
        $validFooterLinks = array();
        foreach ( $footerlinks as $category => $links ) {
            $validFooterLinks[$category] = array();
            foreach ( $links as $link ) {
                if ( isset( $this->data[$link] ) && $this->data[$link] ) {
                    $validFooterLinks[$category][] = $link;
                }
            }
            if ( count( $validFooterLinks[$category] ) <= 0 ) {
                unset( $validFooterLinks[$category] );
            }
        }

        if ( $option == 'flat' ) {
            // fold footerlinks into a single array using a bit of trickery
            $validFooterLinks = call_user_func_array(
                'array_merge',
                array_values( $validFooterLinks )
            );
        }

        return $validFooterLinks;
    }

    function getFooterIcons( $option = null ) {
        // Generate additional footer icons
        $footericons = $this->get( 'footericons' );

        if ( $option == 'icononly' ) {
            // Unset any icons which don't have an image
            foreach ( $footericons as &$footerIconsBlock ) {
                foreach ( $footerIconsBlock as $footerIconKey => $footerIcon ) {
                    if ( !is_string( $footerIcon ) && !isset( $footerIcon['src'] ) ) {
                        unset( $footerIconsBlock[$footerIconKey] );
                    }
                }
            }
            // Redo removal of any empty blocks
            foreach ( $footericons as $footerIconsKey => &$footerIconsBlock ) {
                if ( count( $footerIconsBlock ) <= 0 ) {
                    unset( $footericons[$footerIconsKey] );
                }
            }
        } elseif ( $option == 'nocopyright' ) {
            unset( $footericons['copyright']['copyright'] );
            if ( count( $footericons['copyright'] ) <= 0 ) {
                unset( $footericons['copyright'] );
            }
        }

        return $footericons;
    }

    function printTrail() { ?>
<?php echo MWDebug::getDebugHTML( $this->getSkin()->getContext() ); ?>
<?php $this->html( 'bottomscripts' ); /* JS call to runBodyOnloadHook */ ?>
<?php $this->html( 'reporttime' ) ?>
<?php
    }
}