SkinLegacy.php

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<?php
if ( !defined( 'MEDIAWIKI' ) ) {
        die( 1 );
}

class SkinLegacy extends SkinTemplate {
        var $useHeadElement = true;
        protected $mWatchLinkNum = 0; // Appended to end of watch link id's

        function setupSkinUserCss( OutputPage $out ) {
                $out->addModuleStyles( 'mediawiki.legacy.shared' );
                $out->addModuleStyles( 'mediawiki.legacy.oldshared' );
        }

        public function commonPrintStylesheet() {
                return true;
        }

        var $mSuppressQuickbar = false;

        public function suppressQuickbar() {
                $this->mSuppressQuickbar = true;
        }

        public function isQuickbarSuppressed() {
                return $this->mSuppressQuickbar;
        }

        function qbSetting() {
                global $wgUser;
                if ( $this->isQuickbarSuppressed() ) {
                        return 0;
                }
                $q = $wgUser->getOption( 'quickbar', 0 );
                if( $q == 5 ) {
                        # 5 is the default, which chooses the setting
                        # depending on the directionality of your interface language
                        global $wgLang;
                        return $wgLang->isRTL() ? 2 : 1;
                }
                return $q;
        }

}

class LegacyTemplate extends BaseTemplate {

        // How many search boxes have we made?  Avoid duplicate id's.
        protected $searchboxes = '';

        function execute() {
                $this->html( 'headelement' );
                echo $this->beforeContent();
                $this->html( 'bodytext' );
                echo "\n";
                echo $this->afterContent();
                $this->html( 'dataAfterContent' );
                $this->printTrail();
                echo "\n</body></html>";
        }

        function beforeContent() {
                return $this->doBeforeContent();
        }

        function doBeforeContent() {
                global $wgLang;
                wfProfileIn( __METHOD__ );

                $s = '';

                $langlinks = $this->otherLanguages();
                if ( $langlinks ) {
                        $rows = 2;
                        $borderhack = '';
                } else {
                        $rows = 1;
                        $langlinks = false;
                        $borderhack = 'class="top"';
                }

                $s .= "\n<div id='content'>\n<div id='topbar'>\n" .
                  "<table border='0' cellspacing='0' width='100%'>\n<tr>\n";

                if ( $this->getSkin()->qbSetting() == 0 ) {
                        $s .= "<td class='top' align='left' valign='top' rowspan='{$rows}'>\n" .
                                $this->getSkin()->logoText( $wgLang->alignStart() ) . '</td>';
                }

                $l = $wgLang->alignStart();
                $s .= "<td {$borderhack} align='$l' valign='top'>\n";

                $s .= $this->topLinks();
                $s .= '<p class="subtitle">' . $this->pageTitleLinks() . "</p>\n";

                $r = $wgLang->alignEnd();
                $s .= "</td>\n<td {$borderhack} valign='top' align='$r' nowrap='nowrap'>";
                $s .= $this->nameAndLogin();
                $s .= "\n<br />" . $this->searchForm() . '</td>';

                if ( $langlinks ) {
                        $s .= "</tr>\n<tr>\n<td class='top' colspan=\"2\">$langlinks</td>\n";
                }

                $s .= "</tr>\n</table>\n</div>\n";
                $s .= "\n<div id='article'>\n";

                $notice = $this->getSkin()->getSiteNotice();

                if ( $notice ) {
                        $s .= "\n<div id='siteNotice'>$notice</div>\n";
                }
                $s .= $this->pageTitle();
                $s .= $this->pageSubtitle();
                $s .= $this->getSkin()->getCategories();

                wfProfileOut( __METHOD__ );
                return $s;
        }

        function afterContent() {
                return $this->doAfterContent();
        }

        function doAfterContent() {
                return '</div></div>';
        }

        function searchForm() {
                global $wgRequest, $wgUseTwoButtonsSearchForm;

                $search = $wgRequest->getText( 'search' );

                $s = '<form id="searchform' . $this->searchboxes . '" name="search" class="inline" method="post" action="'
                  . $this->getSkin()->escapeSearchLink() . "\">\n"
                  . '<input type="text" id="searchInput' . $this->searchboxes . '" name="search" size="19" value="'
                  . htmlspecialchars( substr( $search, 0, 256 ) ) . "\" />\n"
                  . '<input type="submit" name="go" value="' . wfMsg( 'searcharticle' ) . '" />';

                if ( $wgUseTwoButtonsSearchForm ) {
                        $s .= '&#160;<input type="submit" name="fulltext" value="' . wfMsg( 'searchbutton' ) . "\" />\n";
                } else {
                        $s .= ' <a href="' . $this->getSkin()->escapeSearchLink() . '" rel="search">' . wfMsg( 'powersearch-legend' ) . "</a>\n";
                }

                $s .= '</form>';

                // Ensure unique id's for search boxes made after the first
                $this->searchboxes = $this->searchboxes == '' ? 2 : $this->searchboxes + 1;

                return $s;
        }

        function pageStats() {
                $ret = array();
                $items = array( 'viewcount', 'credits', 'lastmod', 'numberofwatchingusers', 'copyright' );

                foreach( $items as $item ) {
                        if ( $this->data[$item] !== false ) {
                                $ret[] = $this->data[$item];
                        }
                }

                return implode( ' ', $ret );
        }

        function topLinks() {
                global $wgOut;

                $s = array(
                        $this->getSkin()->mainPageLink(),
                        Linker::specialLink( 'Recentchanges' )
                );

                if ( $wgOut->isArticleRelated() ) {
                        $s[] = $this->editThisPage();
                        $s[] = $this->historyLink();
                }

                # Many people don't like this dropdown box
                # $s[] = $this->specialPagesList();

                if ( $this->variantLinks() ) {
                        $s[] = $this->variantLinks();
                }

                if ( $this->extensionTabLinks() ) {
                        $s[] = $this->extensionTabLinks();
                }

                // @todo FIXME: Is using Language::pipeList impossible here? Do not quite understand the use of the newline
                return implode( $s, wfMsgExt( 'pipe-separator', 'escapenoentities' ) . "\n" );
        }

        function variantLinks() {
                $s = '';

                /* show links to different language variants */
                global $wgDisableLangConversion, $wgLang;

                $title = $this->getSkin()->getTitle();
                $lang = $title->getPageLanguage();
                $variants = $lang->getVariants();

                if ( !$wgDisableLangConversion && sizeof( $variants ) > 1
                        && !$title->isSpecialPage() ) {
                        foreach ( $variants as $code ) {
                                $varname = $lang->getVariantname( $code );

                                if ( $varname == 'disable' ) {
                                        continue;
                                }
                                $s = $wgLang->pipeList( array(
                                        $s,
                                        '<a href="' . htmlspecialchars( $title->getLocalURL( 'variant=' . $code ) ) . '">' . htmlspecialchars( $varname ) . '</a>'
                                ) );
                        }
                }

                return $s;
        }

        function extensionTabLinks() {
                $tabs = array();
                $out = '';
                $s = array();
                wfRunHooks( 'SkinTemplateTabs', array( $this->getSkin(), &$tabs ) );
                foreach ( $tabs as $tab ) {
                        $s[] = Xml::element( 'a',
                                array( 'href' => $tab['href'] ),
                                $tab['text'] );
                }

                if ( count( $s ) ) {
                        global $wgLang;

                        $out = wfMsgExt( 'pipe-separator' , 'escapenoentities' );
                        $out .= $wgLang->pipeList( $s );
                }

                return $out;
        }

        function bottomLinks() {
                global $wgOut, $wgUser;
                $sep = wfMsgExt( 'pipe-separator', 'escapenoentities' ) . "\n";

                $s = '';
                if ( $wgOut->isArticleRelated() ) {
                        $element[] = '<strong>' . $this->editThisPage() . '</strong>';

                        if ( $wgUser->isLoggedIn() ) {
                                $element[] = $this->watchThisPage();
                        }

                        $element[] = $this->talkLink();
                        $element[] = $this->historyLink();
                        $element[] = $this->whatLinksHere();
                        $element[] = $this->watchPageLinksLink();

                        $title = $this->getSkin()->getTitle();

                        if (
                                $title->getNamespace() == NS_USER ||
                                $title->getNamespace() == NS_USER_TALK
                        ) {
                                $id = User::idFromName( $title->getText() );
                                $ip = User::isIP( $title->getText() );

                                # Both anons and non-anons have contributions list
                                if ( $id || $ip ) {
                                        $element[] = $this->userContribsLink();
                                }

                                if ( $this->getSkin()->showEmailUser( $id ) ) {
                                        $element[] = $this->emailUserLink();
                                }
                        }

                        $s = implode( $element, $sep );

                        if ( $title->getArticleId() ) {
                                $s .= "\n<br />";

                                // Delete/protect/move links for privileged users
                                if ( $wgUser->isAllowed( 'delete' ) ) {
                                        $s .= $this->deleteThisPage();
                                }

                                if ( $wgUser->isAllowed( 'protect' ) ) {
                                        $s .= $sep . $this->protectThisPage();
                                }

                                if ( $wgUser->isAllowed( 'move' ) ) {
                                        $s .= $sep . $this->moveThisPage();
                                }
                        }

                        $s .= "<br />\n" . $this->otherLanguages();
                }

                return $s;
        }

        function otherLanguages() {
                global $wgOut, $wgLang, $wgContLang, $wgHideInterlanguageLinks;

                if ( $wgHideInterlanguageLinks ) {
                        return '';
                }

                $a = $wgOut->getLanguageLinks();

                if ( 0 == count( $a ) ) {
                        return '';
                }

                $s = wfMsg( 'otherlanguages' ) . wfMsg( 'colon-separator' );
                $first = true;

                if ( $wgLang->isRTL() ) {
                        $s .= '<span dir="ltr">';
                }

                foreach ( $a as $l ) {
                        if ( !$first ) {
                                $s .= wfMsgExt( 'pipe-separator', 'escapenoentities' );
                        }

                        $first = false;

                        $nt = Title::newFromText( $l );
                        $text = $wgContLang->getLanguageName( $nt->getInterwiki() );

                        $s .= Html::element( 'a',
                                array( 'href' => $nt->getFullURL(), 'title' => $nt->getText(), 'class' => "external" ),
                                $text == '' ? $l : $text );
                }

                if ( $wgLang->isRTL() ) {
                        $s .= '</span>';
                }

                return $s;
        }

        function specialPagesList() {
                global $wgScript;

                $select = new XmlSelect( 'title' );
                $pages = SpecialPageFactory::getUsablePages();
                array_unshift( $pages, SpecialPageFactory::getPage( 'SpecialPages' ) );
                foreach ( $pages as $obj ) {
                        $select->addOption( $obj->getDescription(),
                                $obj->getTitle()->getPrefixedDBkey() );
                }

                return Html::rawElement( 'form', array( 'id' => 'specialpages', 'method' => 'get',
                        'action' => $wgScript ), $select->getHTML() . Xml::submitButton( wfMsg( 'go' ) ) );
        }

        function pageTitleLinks() {
                global $wgOut, $wgUser, $wgRequest, $wgLang;

                $oldid = $wgRequest->getVal( 'oldid' );
                $diff = $wgRequest->getVal( 'diff' );
                $action = $wgRequest->getText( 'action' );

                $skin = $this->getSkin();
                $title = $skin->getTitle();

                $s[] = $this->printableLink();
                $disclaimer = $skin->disclaimerLink(); # may be empty

                if ( $disclaimer ) {
                        $s[] = $disclaimer;
                }

                $privacy = $skin->privacyLink(); # may be empty too

                if ( $privacy ) {
                        $s[] = $privacy;
                }

                if ( $wgOut->isArticleRelated() ) {
                        if ( $title->getNamespace() == NS_FILE ) {
                                $name = $title->getDBkey();
                                $image = wfFindFile( $title );

                                if ( $image ) {
                                        $link = htmlspecialchars( $image->getURL() );
                                        $style = Linker::getInternalLinkAttributes( $link, $name );
                                        $s[] = "<a href=\"{$link}\"{$style}>{$name}</a>";
                                }
                        }
                }

                if ( 'history' == $action || isset( $diff ) || isset( $oldid ) ) {
                        $s[] .= Linker::linkKnown(
                                        $title,
                                        wfMsg( 'currentrev' )
                        );
                }

                if ( $wgUser->getNewtalk() ) {
                        # do not show "You have new messages" text when we are viewing our
                        # own talk page
                        if ( !$title->equals( $wgUser->getTalkPage() ) ) {
                                $tl = Linker::linkKnown(
                                        $wgUser->getTalkPage(),
                                        wfMsgHtml( 'newmessageslink' ),
                                        array(),
                                        array( 'redirect' => 'no' )
                                );

                                $dl = Linker::linkKnown(
                                        $wgUser->getTalkPage(),
                                        wfMsgHtml( 'newmessagesdifflink' ),
                                        array(),
                                        array( 'diff' => 'cur' )
                                );
                                $s[] = '<strong>' . wfMsg( 'youhavenewmessages', $tl, $dl ) . '</strong>';
                                # disable caching
                                $wgOut->setSquidMaxage( 0 );
                                $wgOut->enableClientCache( false );
                        }
                }

                $undelete = $skin->getUndeleteLink();

                if ( !empty( $undelete ) ) {
                        $s[] = $undelete;
                }

                return $wgLang->pipeList( $s );
        }

        function pageTitle() {
                global $wgOut;
                $s = '<h1 class="pagetitle"><span dir="auto">' . $wgOut->getPageTitle() . '</span></h1>';
                return $s;
        }

        function pageSubtitle() {
                global $wgOut;

                $sub = $wgOut->getSubtitle();

                if ( $sub == '' ) {
                        global $wgExtraSubtitle;
                        $sub = wfMsgExt( 'tagline', 'parsemag' ) . $wgExtraSubtitle;
                }

                $subpages = $this->getSkin()->subPageSubtitle();
                $sub .= !empty( $subpages ) ? "</p><p class='subpages'>$subpages" : '';
                $s = "<p class='subtitle'>{$sub}</p>\n";

                return $s;
        }

        function printableLink() {
                global $wgOut, $wgRequest, $wgLang;

                $s = array();

                if ( !$wgOut->isPrintable() ) {
                        $printurl = htmlspecialchars( $this->getSkin()->getTitle()->getLocalUrl(
                                $wgRequest->appendQueryValue( 'printable', 'yes', true ) ) );
                        $s[] = "<a href=\"$printurl\" rel=\"alternate\">" . wfMsg( 'printableversion' ) . '</a>';
                }

                if ( $wgOut->isSyndicated() ) {
                        foreach ( $wgOut->getSyndicationLinks() as $format => $link ) {
                                $feedurl = htmlspecialchars( $link );
                                $s[] = "<a href=\"$feedurl\" rel=\"alternate\" type=\"application/{$format}+xml\""
                                                . " class=\"feedlink\">" . wfMsgHtml( "feed-$format" ) . "</a>";
                        }
                }
                return $wgLang->pipeList( $s );
        }

        function getQuickbarCompensator( $rows = 1 ) {
                wfDeprecated( __METHOD__, '1.19' );
                return "<td width='152' rowspan='{$rows}'>&#160;</td>";
        }

        function editThisPage() {
                global $wgOut;

                if ( !$wgOut->isArticleRelated() ) {
                        $s = wfMsg( 'protectedpage' );
                } else {
                        $title = $this->getSkin()->getTitle();
                        if ( $title->quickUserCan( 'edit' ) && $title->exists() ) {
                                $t = wfMsg( 'editthispage' );
                        } elseif ( $title->quickUserCan( 'create' ) && !$title->exists() ) {
                                $t = wfMsg( 'create-this-page' );
                        } else {
                                $t = wfMsg( 'viewsource' );
                        }

                        $s = Linker::linkKnown(
                                $title,
                                $t,
                                array(),
                                $this->getSkin()->editUrlOptions()
                        );
                }

                return $s;
        }

        function deleteThisPage() {
                global $wgUser, $wgRequest;

                $diff = $wgRequest->getVal( 'diff' );
                $title = $this->getSkin()->getTitle();

                if ( $title->getArticleId() && ( !$diff ) && $wgUser->isAllowed( 'delete' ) ) {
                        $t = wfMsg( 'deletethispage' );

                        $s = Linker::linkKnown(
                                $title,
                                $t,
                                array(),
                                array( 'action' => 'delete' )
                        );
                } else {
                        $s = '';
                }

                return $s;
        }

        function protectThisPage() {
                global $wgUser, $wgRequest;

                $diff = $wgRequest->getVal( 'diff' );
                $title = $this->getSkin()->getTitle();

                if ( $title->getArticleId() && ( ! $diff ) && $wgUser->isAllowed( 'protect' ) ) {
                        if ( $title->isProtected() ) {
                                $text = wfMsg( 'unprotectthispage' );
                                $query = array( 'action' => 'unprotect' );
                        } else {
                                $text = wfMsg( 'protectthispage' );
                                $query = array( 'action' => 'protect' );
                        }

                        $s = Linker::linkKnown(
                                $title,
                                $text,
                                array(),
                                $query
                        );
                } else {
                        $s = '';
                }

                return $s;
        }

        function watchThisPage() {
                global $wgOut, $wgUser;
                ++$this->mWatchLinkNum;

                // Cache
                $title = $this->getSkin()->getTitle();

                if ( $wgOut->isArticleRelated() ) {
                        if ( $title->userIsWatching() ) {
                                $text = wfMsg( 'unwatchthispage' );
                                $query = array(
                                        'action' => 'unwatch',
                                        'token' => UnwatchAction::getUnwatchToken( $title, $wgUser ),
                                );
                                $id = 'mw-unwatch-link' . $this->mWatchLinkNum;
                        } else {
                                $text = wfMsg( 'watchthispage' );
                                $query = array(
                                        'action' => 'watch',
                                        'token' => WatchAction::getWatchToken( $title, $wgUser ),
                                );
                                $id = 'mw-watch-link' . $this->mWatchLinkNum;
                        }

                        $s = Linker::linkKnown(
                                $title,
                                $text,
                                array( 'id' => $id ),
                                $query
                        );
                } else {
                        $s = wfMsg( 'notanarticle' );
                }

                return $s;
        }

        function moveThisPage() {
                if ( $this->getSkin()->getTitle()->quickUserCan( 'move' ) ) {
                        return Linker::linkKnown(
                                SpecialPage::getTitleFor( 'Movepage' ),
                                wfMsg( 'movethispage' ),
                                array(),
                                array( 'target' => $this->getSkin()->getTitle()->getPrefixedDBkey() )
                        );
                } else {
                        // no message if page is protected - would be redundant
                        return '';
                }
        }

        function historyLink() {
                return Linker::link(
                        $this->getSkin()->getTitle(),
                        wfMsgHtml( 'history' ),
                        array( 'rel' => 'archives' ),
                        array( 'action' => 'history' )
                );
        }

        function whatLinksHere() {
                return Linker::linkKnown(
                        SpecialPage::getTitleFor( 'Whatlinkshere', $this->getSkin()->getTitle()->getPrefixedDBkey() ),
                        wfMsgHtml( 'whatlinkshere' )
                );
        }

        function userContribsLink() {
                return Linker::linkKnown(
                        SpecialPage::getTitleFor( 'Contributions', $this->getSkin()->getTitle()->getDBkey() ),
                        wfMsgHtml( 'contributions' )
                );
        }

        function emailUserLink() {
                return Linker::linkKnown(
                        SpecialPage::getTitleFor( 'Emailuser', $this->getSkin()->getTitle()->getDBkey() ),
                        wfMsgHtml( 'emailuser' )
                );
        }

        function watchPageLinksLink() {
                global $wgOut;

                if ( !$wgOut->isArticleRelated() ) {
                        return '(' . wfMsg( 'notanarticle' ) . ')';
                } else {
                        return Linker::linkKnown(
                                SpecialPage::getTitleFor( 'Recentchangeslinked', $this->getSkin()->getTitle()->getPrefixedDBkey() ),
                                wfMsgHtml( 'recentchangeslinked-toolbox' )
                        );
                }
        }

        function talkLink() {
                $title = $this->getSkin()->getTitle();
                if ( NS_SPECIAL == $title->getNamespace() ) {
                        # No discussion links for special pages
                        return '';
                }

                $linkOptions = array();

                if ( $title->isTalkPage() ) {
                        $link = $title->getSubjectPage();
                        switch( $link->getNamespace() ) {
                                case NS_MAIN:
                                        $text = wfMsg( 'articlepage' );
                                        break;
                                case NS_USER:
                                        $text = wfMsg( 'userpage' );
                                        break;
                                case NS_PROJECT:
                                        $text = wfMsg( 'projectpage' );
                                        break;
                                case NS_FILE:
                                        $text = wfMsg( 'imagepage' );
                                        # Make link known if image exists, even if the desc. page doesn't.
                                        if ( wfFindFile( $link ) )
                                                $linkOptions[] = 'known';
                                        break;
                                case NS_MEDIAWIKI:
                                        $text = wfMsg( 'mediawikipage' );
                                        break;
                                case NS_TEMPLATE:
                                        $text = wfMsg( 'templatepage' );
                                        break;
                                case NS_HELP:
                                        $text = wfMsg( 'viewhelppage' );
                                        break;
                                case NS_CATEGORY:
                                        $text = wfMsg( 'categorypage' );
                                        break;
                                default:
                                        $text = wfMsg( 'articlepage' );
                        }
                } else {
                        $link = $title->getTalkPage();
                        $text = wfMsg( 'talkpage' );
                }

                $s = Linker::link( $link, $text, array(), array(), $linkOptions );

                return $s;
        }

        function commentLink() {
                global $wgOut;

                $title = $this->getSkin()->getTitle();
                if ( $title->isSpecialPage() ) {
                        return '';
                }

                # __NEWSECTIONLINK___ changes behaviour here
                # If it is present, the link points to this page, otherwise
                # it points to the talk page
                if ( !$title->isTalkPage() && !$wgOut->showNewSectionLink() ) {
                        $title = $title->getTalkPage();
                }

                return Linker::linkKnown(
                        $title,
                        wfMsg( 'postcomment' ),
                        array(),
                        array(
                                'action' => 'edit',
                                'section' => 'new'
                        )
                );
        }

        function getUploadLink() {
                global $wgUploadNavigationUrl;

                if ( $wgUploadNavigationUrl ) {
                        # Using an empty class attribute to avoid automatic setting of "external" class
                        return Linker::makeExternalLink( $wgUploadNavigationUrl, wfMsgHtml( 'upload' ), false, null, array( 'class' => '' ) );
                } else {
                        return Linker::linkKnown(
                                SpecialPage::getTitleFor( 'Upload' ),
                                wfMsgHtml( 'upload' )
                        );
                }
        }

        function nameAndLogin() {
                global $wgUser, $wgLang, $wgRequest;

                $returnTo = $this->getSkin()->getTitle();
                $ret = '';

                if ( $wgUser->isAnon() ) {
                        if ( $this->getSkin()->showIPinHeader() ) {
                                $name = $wgRequest->getIP();

                                $talkLink = Linker::link( $wgUser->getTalkPage(),
                                        $wgLang->getNsText( NS_TALK ) );

                                $ret .= "$name ($talkLink)";
                        } else {
                                $ret .= wfMsg( 'notloggedin' );
                        }

                        $query = array();

                        if ( !$returnTo->isSpecial( 'Userlogout' ) ) {
                                $query['returnto'] = $returnTo->getPrefixedDBkey();
                        }

                        $loginlink = $wgUser->isAllowed( 'createaccount' )
                                ? 'nav-login-createaccount'
                                : 'login';
                        $ret .= "\n<br />" . Linker::link(
                                SpecialPage::getTitleFor( 'Userlogin' ),
                                wfMsg( $loginlink ), array(), $query
                        );
                } else {
                        $talkLink = Linker::link( $wgUser->getTalkPage(),
                                $wgLang->getNsText( NS_TALK ) );

                        $ret .= Linker::link( $wgUser->getUserPage(),
                                htmlspecialchars( $wgUser->getName() ) );
                        $ret .= " ($talkLink)<br />";
                        $ret .= $wgLang->pipeList( array(
                                Linker::link(
                                        SpecialPage::getTitleFor( 'Userlogout' ), wfMsg( 'logout' ),
                                        array(), array( 'returnto' => $returnTo->getPrefixedDBkey() )
                                ),
                                Linker::specialLink( 'Preferences' ),
                        ) );
                }

                $ret = $wgLang->pipeList( array(
                        $ret,
                        Linker::link(
                                Title::newFromText( wfMsgForContent( 'helppage' ) ),
                                wfMsg( 'help' )
                        ),
                ) );

                return $ret;
        }

}