function qpuserchoice(Parser &$parser, PPFrame $frame, array $args)
 {
     $this->frame = $frame;
     $this->args =& $args;
     if (isset($args[0])) {
         # args[0] is a poll address
         $this->pollAddr = trim($this->frame->expand($this->args[0]));
         $this->pollStore = qp_PollStore::newFromAddr($this->pollAddr);
         if ($this->pollStore instanceof qp_PollStore && $this->pollStore->pid !== null) {
             $this->error_message = 'missing_question_id';
             if (isset($args[1])) {
                 # args[1] is question_id
                 $qdata = $this->getQuestionData(trim($frame->expand($args[1])));
                 if ($qdata instanceof qp_QuestionData) {
                     $this->error_message = 'missing_proposal_id';
                     if (isset($args[2])) {
                         # get poll's proposal choice
                         $this->proposal_id = trim($frame->expand($args[2]));
                         $this->error_message = 'invalid_proposal_id';
                         if (preg_match(qp_Setup::PREG_NON_NEGATIVE_INT4_MATCH, $this->proposal_id)) {
                             $this->defaultProposalText = isset($args[3]) ? trim($frame->expand($args[3])) : '';
                             $this->proposal_id = intval($this->proposal_id);
                             $this->error_message = 'missing_proposal_id';
                             if (array_key_exists($this->proposal_id, $qdata->ProposalText)) {
                                 return $this->qpuserchoiceValidResult($qdata);
                             }
                         }
                     }
                 }
             }
         }
     }
     return '<strong class="error">qpuserchoice: ' . wfMsgHTML('qp_func_' . $this->error_message, qp_Setup::specialchars($this->pollAddr), qp_Setup::specialchars($this->question_id), qp_Setup::specialchars($this->proposal_id)) . '</strong>';
 }

 /**
  * Main execution function
  * @param $par Parameters passed to the page
  */
 function execute($par)
 {
     global $wgOut, $wgUser;
     wfLoadExtensionMessages('Gadgets');
     $skin = $wgUser->getSkin();
     $this->setHeaders();
     $wgOut->setPagetitle(wfMsg("gadgets-title"));
     $wgOut->addWikiText(wfMsg("gadgets-pagetext"));
     $gadgets = wfLoadGadgetsStructured();
     if (!$gadgets) {
         return;
     }
     $listOpen = false;
     $msgOpt = array('parseinline', 'parsemag');
     foreach ($gadgets as $section => $entries) {
         if ($section !== false && $section !== '') {
             $t = Title::makeTitleSafe(NS_MEDIAWIKI, "Gadget-section-{$section}");
             $lnk = $t ? $skin->makeLinkObj($t, wfMsgHTML("edit")) : htmlspecialchars($section);
             $ttext = wfMsgExt("gadget-section-{$section}", $msgOpt);
             if ($listOpen) {
                 $wgOut->addHTML('</ul>');
                 $listOpen = false;
             }
             $wgOut->addHTML("\n<h2>{$ttext} &nbsp; &nbsp; [{$lnk}]</h2>\n");
         }
         foreach ($entries as $gname => $code) {
             $t = Title::makeTitleSafe(NS_MEDIAWIKI, "Gadget-{$gname}");
             if (!$t) {
                 continue;
             }
             $lnk = $skin->makeLinkObj($t, wfMsgHTML("edit"));
             $ttext = wfMsgExt("gadget-{$gname}", $msgOpt);
             if (!$listOpen) {
                 $listOpen = true;
                 $wgOut->addHTML('<ul>');
             }
             $wgOut->addHTML("<li>");
             $wgOut->addHTML("{$ttext} &nbsp; &nbsp; [{$lnk}]<br/>");
             $wgOut->addHTML(wfMsgHTML("gadgets-uses") . ": ");
             $first = true;
             foreach ($code as $codePage) {
                 $t = Title::makeTitleSafe(NS_MEDIAWIKI, "Gadget-{$codePage}");
                 if (!$t) {
                     continue;
                 }
                 if ($first) {
                     $first = false;
                 } else {
                     $wgOut->addHTML(", ");
                 }
                 $lnk = $skin->makeLinkObj($t, htmlspecialchars($t->getText()));
                 $wgOut->addHTML($lnk);
             }
             $wgOut->addHtml("</li>");
         }
     }
     if ($listOpen) {
         $wgOut->addHTML('</ul>');
     }
 }

 function insertTab($skin, &$content_actions)
 {
     if (!$skin->getTitle()->exists()) {
         return true;
     }
     $linkParam = "page=" . $skin->getTitle()->getPrefixedURL();
     $special = SpecialPage::getTitleFor('FlagPage');
     $content_actions['flagpage'] = array('class' => false, 'text' => wfMsgHTML('flagpage-tab'), 'href' => $special->getLocalUrl($linkParam));
     return true;
 }

 function showSiteSelectForm($invalid = false)
 {
     global $wgOut, $wgScript;
     $legend = wfMsgHtml('configurewmf-selectsite');
     $wgOut->addHTML("<fieldset><legend>{$legend}</legend>");
     if ($invalid) {
         $wgOut->addHTML('<p><strong class="error">' . htmlspecialchars(wfMsg('configurewmf-invalidwiki', $invalid)) . '</strong></p>');
     }
     $wgOut->addHTML('<strong id="cfgwmf-attention" style="color: red; font-size: 12pt">' . wfMsgHTML('configurewmf-attentionnotice') . '</strong>');
     $wgOut->addWikiMsg('configurewmf-selectsite-help');
     $wgOut->addHTML("<form action='{$wgScript}' method='get'>");
     $wgOut->addHTML('<p>' . Html::Hidden('title', $this->getTitle()->getFullText()) . '</p><table><tr>');
     $wgOut->addHTML('<td class="mw-label">' . Xml::label(wfMsg('configurewmf-site'), 'cfg-site') . '</td>');
     $wgOut->addHTML('<td class="mw-input">' . Xml::input('wiki', false, false, array('id' => 'cfg-site')) . '</td>');
     $wgOut->addHTML('</tr><tr><td></td><td class="mw-input">' . Xml::submitButton(wfMsg('configurewmf-select')) . '</td>');
     $wgOut->addHTML("</tr></table></form></fieldset>");
 }

 /**
  * This is the actual workhorse. It does everything needed to make a
  * real, honest-to-gosh query page.
  * Alas, we need to overwrite the whole beast since we do not assume
  * an SQL-based storage backend.
  *
  * @param $offset database query offset
  * @param $limit database query limit
  */
 function doQuery($offset = false, $limit = false)
 {
     global $wgOut, $wgContLang;
     $options = new SMWRequestOptions();
     $options->limit = $limit;
     $options->offset = $offset;
     $options->sort = true;
     $res = $this->getResults($options);
     $num = count($res);
     $sk = $this->getSkin();
     $sname = $this->getName();
     $wgOut->addHTML($this->getPageHeader());
     // if list is empty, show it
     if ($num == 0) {
         $wgOut->addHTML('<p>' . wfMsgHTML('specialpage-empty') . '</p>');
         return;
     }
     $top = wfShowingResults($offset, $num);
     $wgOut->addHTML("<p>{$top}\n");
     // often disable 'next' link when we reach the end
     $atend = $num < $limit;
     $sl = wfViewPrevNext($offset, $limit, $wgContLang->specialPage($sname), wfArrayToCGI($this->linkParameters()), $atend);
     $wgOut->addHTML("<br />{$sl}</p>\n");
     if ($num > 0) {
         $s = array();
         if (!$this->listoutput) {
             $s[] = $this->openList($offset);
         }
         foreach ($res as $r) {
             $format = $this->formatResult($sk, $r);
             if ($format) {
                 $s[] = $this->listoutput ? $format : "<li>{$format}</li>\n";
             }
         }
         if (!$this->listoutput) {
             $s[] = $this->closeList();
         }
         $str = $this->listoutput ? $wgContLang->listToText($s) : implode('', $s);
         $wgOut->addHTML($str);
     }
     $wgOut->addHTML("<p>{$sl}</p>\n");
     return $num;
 }

 function doQuery($offset, $limit, $shownavigation = true)
 {
     global $wgOut, $wgContLang;
     $res = $this->getIntervalResults($offset, $limit);
     $num = count($res);
     if ($shownavigation) {
         $wgOut->addHTML($this->getPageHeader());
         // if list is empty, display a warning
         if ($num == 0) {
             $wgOut->addHTML('<p>' . wfMsgHTML('specialpage-empty') . '</p>');
             return;
         }
         $top = wfShowingResults($offset, $num);
         $wgOut->addHTML("<p>{$top}\n");
         // often disable 'next' link when we reach the end
         $atend = $num < $limit;
         $sl = wfViewPrevNext($offset, $limit, $wgContLang->specialPage($this->queryPageName()), wfArrayToCGI($this->linkParameters()), $atend);
         $wgOut->addHTML("<br />{$sl}</p>\n");
     }
     if ($num > 0) {
         $s = array();
         if (!$this->listoutput) {
             $s[] = $this->openList($offset);
         }
         foreach ($res as $r) {
             $format = $this->formatResult($r);
             if ($format) {
                 $s[] = $this->listoutput ? $format : "<li>{$format}</li>\n";
             }
         }
         if (!$this->listoutput) {
             $s[] = $this->closeList();
         }
         $str = $this->listoutput ? $wgContLang->listToText($s) : implode('', $s);
         $wgOut->addHTML($str);
     }
     if ($shownavigation) {
         $wgOut->addHTML("<p>{$sl}</p>\n");
     }
     return $num;
 }

 /**
  * Executes special page rendering and data processing
  *
  * @param $sub Mixed: MediaWiki supplied sub-page path
  */
 public function execute($sub)
 {
     global $wgRequest, $wgOut, $wgUser;
     // Begin output
     $this->setHeaders();
     // Make sure the user is logged in
     if (!$wgUser->isLoggedIn()) {
         // If not, let them know they need to
         $wgOut->loginToUse();
         // Continue
         return true;
     }
     // Handle discarding
     $draft = Draft::newFromID($wgRequest->getIntOrNull('discard'));
     if ($draft->exists()) {
         // Discard draft
         $draft->discard();
         // Redirect to the article editor or view if returnto was set
         $section = $wgRequest->getIntOrNull('section');
         $urlSection = $section !== null ? "&section={$section}" : '';
         switch ($wgRequest->getText('returnto')) {
             case 'edit':
                 $title = Title::newFromDBKey($draft->getTitle());
                 $wgOut->redirect(wfExpandURL($title->getEditURL() . $urlSection));
                 break;
             case 'view':
                 $title = Title::newFromDBKey($draft->getTitle());
                 $wgOut->redirect(wfExpandURL($title->getFullURL() . $urlSection));
                 break;
         }
     }
     // Show list of drafts, or a message that there are none
     if (Drafts::display() == 0) {
         $wgOut->addHTML(wfMsgHTML('drafts-view-nonesaved'));
     }
 }

 function execute($par)
 {
     global $wgOut, $wgRequest;
     $format = $wgRequest->getVal("format", false);
     if ($format === "xml" || $format === "csv") {
         $this->generateList($format);
     } else {
         $wgOut->setPageTitle(wfMsg('newwikis'));
         $up = new NewWikisPage($par);
         # getBody() first to check, if empty
         $usersbody = $up->getBody();
         $s = Xml::openElement('div', array('class' => 'mw-spcontent'));
         $s .= $up->getPageHeader();
         if ($usersbody) {
             $s .= $up->getNavigationBar();
             $s .= '<ul>' . $usersbody . '</ul>';
             $s .= $up->getNavigationBar();
         } else {
             $s .= '<p>' . wfMsgHTML('listusers-noresult') . '</p>';
         }
         $s .= Xml::closeElement('div');
         $wgOut->addHTML($s);
     }
 }

 /**
  * Load revision metadata for the specified articles. If newid is 0, then compare
  * the old article in oldid to the current article; if oldid is 0, then
  * compare the current article to the immediately previous one (ignoring the
  * value of newid).
  *
  * If oldid is false, leave the corresponding revision object set
  * to false. This is impossible via ordinary user input, and is provided for
  * API convenience.
  */
 function loadRevisionData()
 {
     global $wgLang, $wgTitle, $wgLanguageCode, $wgRequest;
     if ($this->mRevisionsLoaded) {
         return true;
     } else {
         // Whether it succeeds or fails, we don't want to try again
         $this->mRevisionsLoaded = true;
     }
     // Load the new revision object
     $this->mNewRev = $this->mNewid ? Revision::newFromId($this->mNewid) : Revision::newFromTitle($this->mTitle);
     if (!$this->mNewRev instanceof Revision) {
         return false;
     }
     // Update the new revision ID in case it was 0 (makes life easier doing UI stuff)
     $this->mNewid = $this->mNewRev->getId();
     // Set assorted variables
     $timestamp = wfTimeAgo($this->mNewRev->getTimestamp());
     $this->mNewDate = $timestamp;
     $this->mNewPage = $this->mNewRev->getTitle();
     if ($this->mNewRev->isCurrent()) {
         $newLink = $this->mNewPage->escapeLocalUrl();
         $this->mPagetitle = htmlspecialchars(wfMsg('currentrev'));
         $newEdit = $this->mNewPage->escapeLocalUrl('action=edit');
         //XXADDED for quick edit
         if ($wgTitle->getNamespace() != NS_SPECIAL && $wgLanguageCode == 'en') {
             $editURL = $wgServer . '/Special:Newarticleboost?type=editform&target=' . urlencode($wgTitle->getFullText());
             //$this->mNewtitle .= " <a href=\"#\" onclick=\"initPopupEdit('".$editURL."') ;\">" . htmlspecialchars( wfMsg( 'editold-quick' ) ) . "</a> | ";
         }
         $this->mNewtitle = "<a href='{$newLink}'>{$this->mPagetitle}</a>" . " (<a href='{$newEdit}'>" . wfMsg('diff_edit') . "</a>)";
     } else {
         $newLink = $this->mNewPage->escapeLocalUrl('oldid=' . $this->mNewid);
         $newEdit = $this->mNewPage->escapeLocalUrl('action=edit&oldid=' . $this->mNewid);
         $this->mPagetitle = wfMsgHTML('revisionasof', $timestamp);
         //XXADDED for quick edit
         if ($wgTitle->getNamespace() != NS_SPECIAL && $wgLanguageCode == 'en' && $wgRequest->getVal("rcid", "") != "") {
             $editURL = $wgServer . '/Special:Newarticleboost?type=editform&target=' . urlencode($wgTitle->getFullText());
             $this->mNewtitle .= " <a href=\"#\" onclick=\"initPopupEdit('" . $editURL . "') ;\">" . htmlspecialchars(wfMsg('editold-quick')) . "</a> | ";
         }
         $this->mNewtitle = "<a href='{$newLink}'>{$this->mPagetitle}</a>" . " (<a href='{$newEdit}'>" . wfMsg('diff_edit') . "</a>) ";
     }
     if (!$this->mNewRev->userCan(Revision::DELETED_TEXT)) {
         $this->mNewtitle = "<span class='history-deleted'>{$this->mPagetitle}</span>";
     } else {
         if ($this->mNewRev->isDeleted(Revision::DELETED_TEXT)) {
             $this->mNewtitle = '<span class="history-deleted">' . $this->mNewtitle . '</span>';
         }
     }
     // Load the old revision object
     $this->mOldRev = false;
     if ($this->mOldid) {
         $this->mOldRev = Revision::newFromId($this->mOldid);
     } elseif ($this->mOldid === 0) {
         $rev = $this->mNewRev->getPrevious();
         if ($rev) {
             $this->mOldid = $rev->getId();
             $this->mOldRev = $rev;
         } else {
             // No previous revision; mark to show as first-version only.
             $this->mOldid = false;
             $this->mOldRev = false;
         }
     }
     /* elseif ( $this->mOldid === false ) leave mOldRev false; */
     if (is_null($this->mOldRev)) {
         return false;
     }
     if ($this->mOldRev) {
         $this->mOldPage = $this->mOldRev->getTitle();
         $t = wfTimeAgo($this->mOldRev->getTimestamp());
         $oldLink = $this->mOldPage->escapeLocalUrl('oldid=' . $this->mOldid);
         $oldEdit = $this->mOldPage->escapeLocalUrl('action=edit&oldid=' . $this->mOldid);
         //$this->mOldPagetitle = htmlspecialchars( wfMsg( 'revisionasof', $t ) );
         $oldTitle = "<a href='{$oldLink}'>" . wfMsg('diff_oldrev') . "</a> ";
         $this->mOldtitle = $oldTitle . " (<a href='{$oldEdit}'>" . wfMsg('diff_edit') . "</a>)";
         $this->mOldDate = $t;
         // Add an "undo" link
         $newUndo = $this->mNewPage->escapeLocalUrl('action=edit&undoafter=' . $this->mOldid . '&undo=' . $this->mNewid);
         if ($this->mNewRev->userCan(Revision::DELETED_TEXT)) {
             //$this->mNewtitle .= "<span id='undolink'>(<a href='$newUndo'>" . htmlspecialchars( wfMsg( 'editundo' ) ) . "</a>)</span>";
             if (!$this->mOldRev->userCan(Revision::DELETED_TEXT)) {
                 $this->mOldtitle = "<span class='history-deleted'>{$this->mOldPagetitle}</span>";
             } else {
                 if ($this->mOldRev->isDeleted(Revision::DELETED_TEXT)) {
                     $this->mOldtitle = '<span class="history-deleted">' . $this->mOldtitle . '</span>';
                 }
             }
         }
     }
     return true;
//.........这里部分代码省略.........

 /**
  * Shamelessly stolen bits from ReverseChronologicalPager,
  * didn't want to do class magic as may be still revamped
  */
 function getNavigationBar()
 {
     global $wgLang;
     if (isset($this->mNavigationBar)) {
         return $this->mNavigationBar;
     }
     $opts = array('parsemag', 'escapenoentities');
     $linkTexts = array('prev' => wfMsgExt('prevn', $opts, $wgLang->formatNum($this->mLimit)), 'next' => wfMsgExt('nextn', $opts, $wgLang->formatNum($this->mLimit)), 'first' => wfMsgExt('page_first', $opts), 'last' => wfMsgExt('page_last', $opts));
     $pagingLinks = $this->getPagingLinks($linkTexts);
     $limitLinks = $this->getLimitLinks();
     $limits = $wgLang->pipeList($limitLinks);
     $this->mNavigationBar = "(" . $wgLang->pipeList(array($pagingLinks['first'], $pagingLinks['last'])) . ") " . wfMsgHtml('viewprevnext', $pagingLinks['prev'], $pagingLinks['next'], $limits);
     if (!is_array($this->getIndexField())) {
         # Early return to avoid undue nesting
         return $this->mNavigationBar;
     }
     $extra = '';
     $first = true;
     $msgs = $this->getOrderTypeMessages();
     foreach (array_keys($msgs) as $order) {
         if ($first) {
             $first = false;
         } else {
             $extra .= wfMsgExt('pipe-separator', 'escapenoentities');
         }
         if ($order == $this->mOrderType) {
             $extra .= wfMsgHTML($msgs[$order]);
         } else {
             $extra .= $this->makeLink(wfMsgHTML($msgs[$order]), array('order' => $order));
         }
     }
     if ($extra !== '') {
         $this->mNavigationBar .= " ({$extra})";
     }
     return $this->mNavigationBar;
 }

 function showDiff($revision)
 {
     global $wgOut;
     $dbr = wfGetDB(DB_SLAVE);
     $result = $this->getRevisions($dbr, array('hidden_rev_id' => $revision));
     while ($row = $dbr->fetchObject($result)) {
         $info = $this->listRow($row);
         $list = $this->revisionInfo($row);
         $rev = new Revision($row);
         $rev->mTitle = Title::makeTitle($row->page_namespace, $row->page_title);
         $prevId = $rev->mTitle->getPreviousRevisionID($row->rev_id);
         if ($prevId) {
             $prev = Revision::newFromTitle($rev->mTitle, $prevId);
             $otext = strval($prev->getText());
         } else {
             $wgOut->addHtml("<ul>" . $info . "</ul>\n" . $list);
             $wgOut->addWikiText(wfMsgNoTrans('oversight-nodiff'));
             return;
         }
         $ntext = strval($rev->getText());
         $diffEngine = new DifferenceEngine();
         $diffEngine->showDiffStyle();
         $wgOut->addHtml("<ul>" . $info . "</ul>\n" . $list . "<p><strong>" . wfMsgHTML('oversight-difference') . "</strong>" . "</p>" . "<div>" . "<table border='0' width='98%' cellpadding='0' cellspacing='4' class='diff'>" . "<col class='diff-marker' />" . "<col class='diff-content' />" . "<col class='diff-marker' />" . "<col class='diff-content' />" . "<tr>" . "<td colspan='2' width='50%' align='center' class='diff-otitle'>" . wfMsgHTML('oversight-prev') . " (#{$prevId})" . "</td>" . "<td colspan='2' width='50%' align='center' class='diff-ntitle'>" . wfMsgHTML('oversight-hidden') . "</td>" . "</tr>" . $diffEngine->generateDiffBody($otext, $ntext) . "</table>" . "</div>\n");
     }
     $dbr->freeResult($result);
 }

 /**
  * Outputs a table of existing drafts
  *
  * @param $title Object: [optional] Title of article, defaults to all articles
  * @param $userID Integer: [optional] ID of user, defaults to current user
  * @return Number of drafts in the table
  */
 public static function display($title = null, $userID = null)
 {
     global $wgOut, $wgRequest, $wgUser, $wgLang;
     // Gets draftID
     $currentDraft = Draft::newFromID($wgRequest->getIntOrNull('draft'));
     // Output HTML for list of drafts
     $drafts = Drafts::get($title, $userID);
     if (count($drafts) > 0) {
         global $egDraftsLifeSpan;
         // Internationalization
         // Add a summary, on Special:Drafts only
         if (!$title || $title->getNamespace() == NS_SPECIAL) {
             $wgOut->wrapWikiMsg('<div class="mw-drafts-summary">$1</div>', array('drafts-view-summary', $wgLang->formatNum($egDraftsLifeSpan)));
         }
         // Build XML
         $wgOut->addHTML(Xml::openElement('table', array('cellpadding' => 5, 'cellspacing' => 0, 'width' => '100%', 'border' => 0, 'id' => 'drafts-list-table')));
         $wgOut->addHTML(Xml::openElement('tr'));
         $wgOut->addHTML(Xml::element('th', array('width' => '75%', 'nowrap' => 'nowrap'), wfMsg('drafts-view-article')));
         $wgOut->addHTML(Xml::element('th', null, wfMsg('drafts-view-saved')));
         $wgOut->addHTML(Xml::element('th'));
         $wgOut->addHTML(Xml::closeElement('tr'));
         // Add existing drafts for this page and user
         foreach ($drafts as $draft) {
             // Get article title text
             $htmlTitle = $draft->getTitle()->getEscapedText();
             // Build Article Load link
             $urlLoad = $draft->getTitle()->getFullURL('action=edit&draft=' . urlencode($draft->getID()));
             // Build discard link
             $urlDiscard = SpecialPage::getTitleFor('Drafts')->getFullURL(sprintf('discard=%s&token=%s', urlencode($draft->getID()), urlencode($wgUser->editToken())));
             // If in edit mode, return to editor
             if ($wgRequest->getText('action') == 'edit' || $wgRequest->getText('action') == 'submit') {
                 $urlDiscard .= '&returnto=' . urlencode('edit');
             }
             // Append section to titles and links
             if ($draft->getSection() !== null) {
                 // Detect section name
                 $lines = explode("\n", $draft->getText());
                 // If there is any content in the section
                 if (count($lines) > 0) {
                     $htmlTitle .= '#' . htmlspecialchars(trim(trim(substr($lines[0], 0, 255), '=')));
                 }
                 // Modify article link and title
                 $urlLoad .= '&section=' . urlencode($draft->getSection());
                 $urlDiscard .= '&section=' . urlencode($draft->getSection());
             }
             // Build XML
             $wgOut->addHTML(Xml::openElement('tr'));
             $wgOut->addHTML(Xml::openElement('td'));
             $wgOut->addHTML(Xml::element('a', array('href' => $urlLoad, 'style' => 'font-weight:' . ($currentDraft->getID() == $draft->getID() ? 'bold' : 'normal')), $htmlTitle));
             $wgOut->addHTML(Xml::closeElement('td'));
             $wgOut->addHTML(Xml::element('td', null, $wgLang->timeanddate($draft->getSaveTime(), true)));
             $wgOut->addHTML(Xml::openElement('td'));
             $jsClick = "if( wgDraft.getState() !== 'unchanged' )" . "return confirm('" . Xml::escapeJsString(wfMsgHTML('drafts-view-warn')) . "')";
             $wgOut->addHTML(Xml::element('a', array('href' => $urlDiscard, 'onclick' => $jsClick), wfMsg('drafts-view-discard')));
             $wgOut->addHTML(Xml::closeElement('td'));
             $wgOut->addHTML(Xml::closeElement('tr'));
         }
         $wgOut->addHTML(Xml::closeElement('table'));
         // Return number of drafts
         return count($drafts);
     }
     return 0;
 }

/**
* Display in sidebar
* @param $tpl The used template
*/
function wfReviewExtensionAfterToolbox(&$tpl)
{
    global $wgTitle, $wgUser, $wgReviewExtensionTopics, $wgArticle, $action, $wgRequest;
    # Do we care?
    if (!wfReviewExtensionDoesNamespaceApply($wgTitle->getNamespace()) or $wgUser->isBlocked() or $action != "view") {
        return true;
    }
    # Initialize
    $do_merge = $wgRequest->getBool('do_merge', false);
    $skin =& $wgUser->getSkin();
    $revision = $wgArticle->getRevIdFetched();
    wfReviewExtensionInitMessages();
    $ratings = wfReviewExtensionGetUserRatingsForPage($wgTitle, $wgUser);
    $did_update_review = wfReviewExtensionReadLastForm($ratings, $wgTitle, $do_merge);
    if (!isset($ratings[$revision])) {
        # Construct blank dummy, if necessary
        $ratings[$revision] = array();
    }
    wfReviewExtensionPresetForm($wgReviewExtensionTopics, $ratings[$revision]);
    ?>

			</ul>
		</div>
	</div>
	<div class="portlet" id="p-tasks">
		<h5>
<?php 
    $tpl->msg('review_sidebar_title');
    ?>
		</h5>
		<div class="pBody">
			<form method='post' id="review_sidebar">
<?php 
    if ($did_update_review) {
        print '<span id="review_has_been_stored">' . wfMsgForContent('review_has_been_stored') . '</span><br />';
    }
    print wfMsgForContent('review_your_review') . "<br />";
    foreach ($wgReviewExtensionTopics as $topic) {
        ?>
			<a id="review_sidebar_link" href="
<?php 
        $topic_title = Title::makeTitleSafe(NS_MEDIAWIKI, wfMsgForContent('review_topic_page') . '#' . $topic['name']);
        print $topic_title->escapeLocalURL();
        ?>
				">
<?php 
        echo $topic['name'];
        ?>
				</a>
<?php 
        if ($topic['range'] > 2) {
            print "<small> (" . $topic['left'] . "&rarr;" . $topic['right'] . ")</small><br />";
        }
        echo "<div id='review_sidebar_range'>" . wfReviewExtensionGetTopicForm($topic) . "</div>";
    }
    print "<input type='hidden' name='review_oldid' value='{$revision}'/>\n";
    if (count($ratings) > 1) {
        # "Merge" CHECKBOX
        print "<div id='review_sidebar_range'><input type='checkbox' checked name='do_merge' value='1'/>" . wfMsgForContent('review_do_merge') . "</div>\n";
    } else {
        # Hidden field "don't merge"
        print "<input type='hidden' name='do_merge' value='0'/>\n";
    }
    print "<input style='width:100%' type='submit' name='save_review' value='" . wfMsgForContent('review_save') . "'/>";
    print "<div id='review_sidebar_note'>";
    print wfMsgForContent('review_sidebar_explanation');
    if (count($ratings) > 1) {
        print " " . wfMsgForContent('review_sidebar_you_have_other_reviews_for_this_article');
    }
    print "<br />";
    $stat_title = Title::makeTitleSafe(NS_SPECIAL, "Review");
    $link = $skin->makeLinkObj($stat_title, wfMsgHTML('review_page_link'), "mode=view_page_statistics&page_id=" . $wgTitle->getArticleID());
    $out = str_replace("\$1", $link, wfMsg('review_sidebar_final'));
    print $out;
    ?>
	</div></form>
	<ul>
<?php 
    return true;
}

 /**
  * @param $skin
  * @param $content_actions
  * @return bool
  */
 function insertTab($skin, &$content_actions)
 {
     $special = SpecialPage::getTitleFor('HideRevision');
     $content_actions['hiderevision'] = array('class' => false, 'text' => wfMsgHTML('hiderevision-tab'), 'href' => $special->getLocalUrl($this->mLinkParam));
     return true;
 }

 /**
  * Load revision metadata for the specified articles. If newid is 0, then compare
  * the old article in oldid to the current article; if oldid is 0, then
  * compare the current article to the immediately previous one (ignoring the
  * value of newid).
  *
  * If oldid is false, leave the corresponding revision object set
  * to false. This is impossible via ordinary user input, and is provided for
  * API convenience.
  */
 function loadRevisionData()
 {
     global $wgLang, $wgUser;
     if ($this->mRevisionsLoaded) {
         return true;
     } else {
         // Whether it succeeds or fails, we don't want to try again
         $this->mRevisionsLoaded = true;
     }
     // Load the new revision object
     $this->mNewRev = $this->mNewid ? Revision::newFromId($this->mNewid) : Revision::newFromTitle($this->mTitle);
     if (!$this->mNewRev instanceof Revision) {
         return false;
     }
     // Update the new revision ID in case it was 0 (makes life easier doing UI stuff)
     $this->mNewid = $this->mNewRev->getId();
     // Check if page is editable
     $editable = $this->mNewRev->getTitle()->userCan('edit');
     // Set assorted variables
     $timestamp = $wgLang->timeanddate($this->mNewRev->getTimestamp(), true);
     $this->mNewPage = $this->mNewRev->getTitle();
     if ($this->mNewRev->isCurrent()) {
         $newLink = $this->mNewPage->escapeLocalUrl('oldid=' . $this->mNewid);
         $this->mPagetitle = wfMsgHTML('currentrev-asof', $timestamp);
         $newEdit = $this->mNewPage->escapeLocalUrl('action=edit');
         $this->mNewtitle = "<a href='{$newLink}'>{$this->mPagetitle}</a>";
         $this->mNewtitle .= " (<a href='{$newEdit}'>" . wfMsgHtml($editable ? 'editold' : 'viewsourceold') . "</a>)";
     } else {
         $newLink = $this->mNewPage->escapeLocalUrl('oldid=' . $this->mNewid);
         $newEdit = $this->mNewPage->escapeLocalUrl('action=edit&oldid=' . $this->mNewid);
         $this->mPagetitle = wfMsgHTML('revisionasof', $timestamp);
         $this->mNewtitle = "<a href='{$newLink}'>{$this->mPagetitle}</a>";
         $this->mNewtitle .= " (<a href='{$newEdit}'>" . wfMsgHtml($editable ? 'editold' : 'viewsourceold') . "</a>)";
     }
     if (!$this->mNewRev->userCan(Revision::DELETED_TEXT)) {
         $this->mNewtitle = "<span class='history-deleted'>{$this->mPagetitle}</span>";
     } else {
         if ($this->mNewRev->isDeleted(Revision::DELETED_TEXT)) {
             $this->mNewtitle = '<span class="history-deleted">' . $this->mNewtitle . '</span>';
         }
     }
     // Load the old revision object
     $this->mOldRev = false;
     if ($this->mOldid) {
         $this->mOldRev = Revision::newFromId($this->mOldid);
     } elseif ($this->mOldid === 0) {
         $rev = $this->mNewRev->getPrevious();
         if ($rev) {
             $this->mOldid = $rev->getId();
             $this->mOldRev = $rev;
         } else {
             // No previous revision; mark to show as first-version only.
             $this->mOldid = false;
             $this->mOldRev = false;
         }
     }
     /* elseif ( $this->mOldid === false ) leave mOldRev false; */
     if (is_null($this->mOldRev)) {
         return false;
     }
     if ($this->mOldRev) {
         $this->mOldPage = $this->mOldRev->getTitle();
         $t = $wgLang->timeanddate($this->mOldRev->getTimestamp(), true);
         $oldLink = $this->mOldPage->escapeLocalUrl('oldid=' . $this->mOldid);
         $oldEdit = $this->mOldPage->escapeLocalUrl('action=edit&oldid=' . $this->mOldid);
         $this->mOldPagetitle = htmlspecialchars(wfMsg('revisionasof', $t));
         $this->mOldtitle = "<a href='{$oldLink}'>{$this->mOldPagetitle}</a>" . " (<a href='{$oldEdit}'>" . wfMsgHtml($editable ? 'editold' : 'viewsourceold') . "</a>)";
         // Add an "undo" link
         $newUndo = $this->mNewPage->escapeLocalUrl('action=edit&undoafter=' . $this->mOldid . '&undo=' . $this->mNewid);
         $htmlLink = htmlspecialchars(wfMsg('editundo'));
         $htmlTitle = $wgUser->getSkin()->tooltip('undo');
         if ($editable && !$this->mOldRev->isDeleted(Revision::DELETED_TEXT) && !$this->mNewRev->isDeleted(Revision::DELETED_TEXT)) {
             $this->mNewtitle .= " (<a href='{$newUndo}' {$htmlTitle}>" . $htmlLink . "</a>)";
         }
         if (!$this->mOldRev->userCan(Revision::DELETED_TEXT)) {
             $this->mOldtitle = '<span class="history-deleted">' . $this->mOldPagetitle . '</span>';
         } else {
             if ($this->mOldRev->isDeleted(Revision::DELETED_TEXT)) {
                 $this->mOldtitle = '<span class="history-deleted">' . $this->mOldtitle . '</span>';
             }
         }
     }
     return true;
 }

/**
 * constructor
 * $par string (optional) A group to list users from
 */
function wfSpecialListusers($par = null)
{
    global $wgRequest, $wgOut;
    $up = new UsersPager($par);
    # getBody() first to check, if empty
    $usersbody = $up->getBody();
    $s = $up->getPageHeader();
    if ($usersbody) {
        $s .= $up->getNavigationBar();
        $s .= '<ul>' . $usersbody . '</ul>';
        $s .= $up->getNavigationBar();
    } else {
        $s .= '<p>' . wfMsgHTML('listusers-noresult') . '</p>';
    }
    $wgOut->addHTML($s);
}

 function showList($msg)
 {
     global $wgOut;
     $wgOut->setPagetitle(wfMsg("ipblocklist"));
     if ("" != $msg) {
         $wgOut->setSubtitle($msg);
     }
     // Purge expired entries on one in every 10 queries
     if (!mt_rand(0, 10)) {
         Block::purgeExpired();
     }
     $conds = array();
     if ($this->ip == '') {
         // No extra conditions
     } elseif (substr($this->ip, 0, 1) == '#') {
         $conds['ipb_id'] = substr($this->ip, 1);
     } elseif (IP::toUnsigned($this->ip) !== false) {
         $conds['ipb_address'] = $this->ip;
         $conds['ipb_auto'] = 0;
     } elseif (preg_match("/^(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})\\/(\\d{1,2})\$/", $this->ip, $matches)) {
         $conds['ipb_address'] = Block::normaliseRange($this->ip);
         $conds['ipb_auto'] = 0;
     } else {
         $user = User::newFromName($this->ip);
         if ($user && ($id = $user->getID()) != 0) {
             $conds['ipb_user'] = $id;
         } else {
             // Uh...?
             $conds['ipb_address'] = $this->ip;
             $conds['ipb_auto'] = 0;
         }
     }
     $pager = new IPBlocklistPager($this, $conds);
     $s = $pager->getNavigationBar() . $this->searchForm();
     if ($pager->getNumRows()) {
         $s .= "<ul>" . $pager->getBody() . "</ul>";
     } else {
         $s .= '<p>' . wfMsgHTML('ipblocklistempty') . '</p>';
     }
     $s .= $pager->getNavigationBar();
     $wgOut->addHTML($s);
 }

/**
 * constructor
 * $par string (optional) A group to list users from
 */
function wfSpecialListusers($par = null)
{
    global $wgOut;
    $up = new UsersPager($par);
    # getBody() first to check, if empty
    $usersbody = $up->getBody();
    $s = Xml::openElement('div', array('class' => 'mw-spcontent'));
    $s .= $up->getPageHeader();
    if ($usersbody) {
        $s .= $up->getNavigationBar();
        $s .= '<ul>' . $usersbody . '</ul>';
        $s .= $up->getNavigationBar();
    } else {
        $s .= '<p>' . wfMsgHTML('listusers-noresult') . '</p>';
    }
    $s .= Xml::closeElement('div');
    $wgOut->addHTML($s);
}