From: Tim Starling Date: Mon, 17 Aug 2009 05:09:36 +0000 (+0000) Subject: * Renamed PageHistory to HistoryPage. Brion gave me permission to do this a couple... X-Git-Tag: 1.31.0-rc.0~40264 X-Git-Url: https://git.cyclocoop.org/%28%28?a=commitdiff_plain;h=3b4e961c47b8be3e2b86322f3a54c06d0fa6f067;p=lhc%2Fweb%2Fwiklou.git * Renamed PageHistory to HistoryPage. Brion gave me permission to do this a couple of years ago, I thought it was about time. Provides naming consistency with ImagePage, RawPage, etc. * Moved historyLine(), beginHistoryList(), endHistoryList() and related helper functions to the pager class. * Renamed HistoryPage member variables, removed "m" prefix. * Added declaration for IndexPager::$mIsFirst --- diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php index 3afdc78f0a..9383230c62 100644 --- a/includes/AutoLoader.php +++ b/includes/AutoLoader.php @@ -95,6 +95,8 @@ $wgAutoloadLocalClasses = array( 'HistoryBlobCurStub' => 'includes/HistoryBlob.php', 'HistoryBlob' => 'includes/HistoryBlob.php', 'HistoryBlobStub' => 'includes/HistoryBlob.php', + 'HistoryPage' => 'includes/HistoryPage.php', + 'HistoryPager' => 'includes/HistoryPage.php', 'Html' => 'includes/Html.php', 'HTMLCacheUpdate' => 'includes/HTMLCacheUpdate.php', 'HTMLCacheUpdateJob' => 'includes/HTMLCacheUpdate.php', @@ -157,9 +159,9 @@ $wgAutoloadLocalClasses = array( 'Namespace' => 'includes/NamespaceCompat.php', // Compat 'OldChangesList' => 'includes/ChangesList.php', 'OutputPage' => 'includes/OutputPage.php', - 'PageHistory' => 'includes/PageHistory.php', - 'PageHistoryPager' => 'includes/PageHistory.php', 'PageQueryPage' => 'includes/PageQueryPage.php', + 'PageHistory' => 'includes/HistoryPage.php', + 'PageHistoryPager' => 'includes/HistoryPage.php', 'Pager' => 'includes/Pager.php', 'PasswordError' => 'includes/User.php', 'PatrolLog' => 'includes/PatrolLog.php', diff --git a/includes/HistoryPage.php b/includes/HistoryPage.php new file mode 100644 index 0000000000..2420d6ed7a --- /dev/null +++ b/includes/HistoryPage.php @@ -0,0 +1,699 @@ +history() to print the + * history. + * + */ +class HistoryPage { + const DIR_PREV = 0; + const DIR_NEXT = 1; + + var $article, $title, $skin; + + /** + * Construct a new HistoryPage. + * + * @param Article $article + * @returns nothing + */ + function __construct( $article ) { + global $wgUser; + $this->article =& $article; + $this->title =& $article->getTitle(); + $this->skin = $wgUser->getSkin(); + $this->preCacheMessages(); + } + + function getArticle() { + return $this->article; + } + + function getTitle() { + return $this->title; + } + + /** + * As we use the same small set of messages in various methods and that + * they are called often, we call them once and save them in $this->message + */ + function preCacheMessages() { + // Precache various messages + if( !isset( $this->message ) ) { + foreach( explode(' ', 'cur last rev-delundel' ) as $msg ) { + $this->message[$msg] = wfMsgExt( $msg, array( 'escape') ); + } + } + } + + /** + * Print the history page for an article. + * + * @returns nothing + */ + function history() { + global $wgOut, $wgRequest, $wgScript; + + /* + * Allow client caching. + */ + if( $wgOut->checkLastModified( $this->article->getTouched() ) ) + return; // Client cache fresh and headers sent, nothing more to do. + + wfProfileIn( __METHOD__ ); + + /* + * Setup page variables. + */ + $wgOut->setPageTitle( wfMsg( 'history-title', $this->title->getPrefixedText() ) ); + $wgOut->setPageTitleActionText( wfMsg( 'history_short' ) ); + $wgOut->setArticleFlag( false ); + $wgOut->setArticleRelated( true ); + $wgOut->setRobotPolicy( 'noindex,nofollow' ); + $wgOut->setSyndicated( true ); + $wgOut->setFeedAppendQuery( 'action=history' ); + $wgOut->addScriptFile( 'history.js' ); + + $logPage = SpecialPage::getTitleFor( 'Log' ); + $logLink = $this->skin->link( + $logPage, + wfMsgHtml( 'viewpagelogs' ), + array(), + array( 'page' => $this->title->getPrefixedText() ), + array( 'known', 'noclasses' ) + ); + $wgOut->setSubtitle( $logLink ); + + $feedType = $wgRequest->getVal( 'feed' ); + if( $feedType ) { + wfProfileOut( __METHOD__ ); + return $this->feed( $feedType ); + } + + /* + * Fail if article doesn't exist. + */ + if( !$this->title->exists() ) { + $wgOut->addWikiMsg( 'nohistory' ); + wfProfileOut( __METHOD__ ); + return; + } + + /** + * Add date selector to quickly get to a certain time + */ + $year = $wgRequest->getInt( 'year' ); + $month = $wgRequest->getInt( 'month' ); + $tagFilter = $wgRequest->getVal( 'tagfilter' ); + $tagSelector = ChangeTags::buildTagFilterSelector( $tagFilter ); + + $action = htmlspecialchars( $wgScript ); + $wgOut->addHTML( + "
" . + Xml::fieldset( wfMsg( 'history-fieldset-title' ), false, array( 'id' => 'mw-history-search' ) ) . + Xml::hidden( 'title', $this->title->getPrefixedDBKey() ) . "\n" . + Xml::hidden( 'action', 'history' ) . "\n" . + xml::dateMenu( $year, $month ) . ' ' . + ( $tagSelector ? ( implode( ' ', $tagSelector ) . ' ' ) : '' ) . + Xml::submitButton( wfMsg( 'allpagessubmit' ) ) . "\n" . + '
' + ); + + wfRunHooks( 'PageHistoryBeforeList', array( &$this->article ) ); + + /** + * Do the list + */ + $pager = new HistoryPager( $this, $year, $month, $tagFilter ); + $wgOut->addHTML( + $pager->getNavigationBar() . + $pager->getBody() . + $pager->getNavigationBar() + ); + + wfProfileOut( __METHOD__ ); + } + + /** + * Fetch an array of revisions, specified by a given limit, offset and + * direction. This is now only used by the feeds. It was previously + * used by the main UI but that's now handled by the pager. + */ + function fetchRevisions($limit, $offset, $direction) { + $dbr = wfGetDB( DB_SLAVE ); + + if( $direction == HistoryPage::DIR_PREV ) + list($dirs, $oper) = array("ASC", ">="); + else /* $direction == HistoryPage::DIR_NEXT */ + list($dirs, $oper) = array("DESC", "<="); + + if( $offset ) + $offsets = array("rev_timestamp $oper '$offset'"); + else + $offsets = array(); + + $page_id = $this->title->getArticleID(); + + return $dbr->select( 'revision', + Revision::selectFields(), + array_merge(array("rev_page=$page_id"), $offsets), + __METHOD__, + array( 'ORDER BY' => "rev_timestamp $dirs", + 'USE INDEX' => 'page_timestamp', 'LIMIT' => $limit) + ); + } + + /** + * Output a subscription feed listing recent edits to this page. + * @param string $type + */ + function feed( $type ) { + global $wgFeedClasses, $wgRequest, $wgFeedLimit; + if( !FeedUtils::checkFeedOutput($type) ) { + return; + } + + $feed = new $wgFeedClasses[$type]( + $this->title->getPrefixedText() . ' - ' . + wfMsgForContent( 'history-feed-title' ), + wfMsgForContent( 'history-feed-description' ), + $this->title->getFullUrl( 'action=history' ) ); + + // Get a limit on number of feed entries. Provide a sane default + // of 10 if none is defined (but limit to $wgFeedLimit max) + $limit = $wgRequest->getInt( 'limit', 10 ); + if( $limit > $wgFeedLimit || $limit < 1 ) { + $limit = 10; + } + $items = $this->fetchRevisions($limit, 0, HistoryPage::DIR_NEXT); + + $feed->outHeader(); + if( $items ) { + foreach( $items as $row ) { + $feed->outItem( $this->feedItem( $row ) ); + } + } else { + $feed->outItem( $this->feedEmpty() ); + } + $feed->outFooter(); + } + + function feedEmpty() { + global $wgOut; + return new FeedItem( + wfMsgForContent( 'nohistory' ), + $wgOut->parse( wfMsgForContent( 'history-feed-empty' ) ), + $this->title->getFullUrl(), + wfTimestamp( TS_MW ), + '', + $this->title->getTalkPage()->getFullUrl() ); + } + + /** + * Generate a FeedItem object from a given revision table row + * Borrows Recent Changes' feed generation functions for formatting; + * includes a diff to the previous revision (if any). + * + * @param $row + * @return FeedItem + */ + function feedItem( $row ) { + $rev = new Revision( $row ); + $rev->setTitle( $this->title ); + $text = FeedUtils::formatDiffRow( $this->title, + $this->title->getPreviousRevisionID( $rev->getId() ), + $rev->getId(), + $rev->getTimestamp(), + $rev->getComment() ); + + if( $rev->getComment() == '' ) { + global $wgContLang; + $title = wfMsgForContent( 'history-feed-item-nocomment', + $rev->getUserText(), + $wgContLang->timeanddate( $rev->getTimestamp() ) ); + } else { + $title = $rev->getUserText() . wfMsgForContent( 'colon-separator' ) . FeedItem::stripComment( $rev->getComment() ); + } + + return new FeedItem( + $title, + $text, + $this->title->getFullUrl( 'diff=' . $rev->getId() . '&oldid=prev' ), + $rev->getTimestamp(), + $rev->getUserText(), + $this->title->getTalkPage()->getFullUrl() ); + } +} + + +/** + * @ingroup Pager + */ +class HistoryPager extends ReverseChronologicalPager { + public $lastRow = false, $counter, $historyPage, $title; + protected $oldIdChecked; + + function __construct( $historyPage, $year='', $month='', $tagFilter = '' ) { + parent::__construct(); + $this->historyPage = $historyPage; + $this->title = $this->historyPage->title; + $this->tagFilter = $tagFilter; + $this->getDateCond( $year, $month ); + } + + function getQueryInfo() { + $queryInfo = array( + 'tables' => array('revision'), + 'fields' => array_merge( Revision::selectFields(), array('ts_tags') ), + 'conds' => array('rev_page' => $this->historyPage->title->getArticleID() ), + 'options' => array( 'USE INDEX' => array('revision' => 'page_timestamp') ), + 'join_conds' => array( 'tag_summary' => array( 'LEFT JOIN', 'ts_rev_id=rev_id' ) ), + ); + ChangeTags::modifyDisplayQuery( $queryInfo['tables'], + $queryInfo['fields'], + $queryInfo['conds'], + $queryInfo['join_conds'], + $queryInfo['options'], + $this->tagFilter ); + wfRunHooks( 'PageHistoryPager::getQueryInfo', array( &$this, &$queryInfo ) ); + return $queryInfo; + } + + function getIndexField() { + return 'rev_timestamp'; + } + + function formatRow( $row ) { + if( $this->lastRow ) { + $latest = $this->counter == 1 && $this->mIsFirst; + $firstInList = $this->counter == 1; + $s = $this->historyLine( $this->lastRow, $row, $this->counter++, + $this->title->getNotificationTimestamp(), $latest, $firstInList ); + } else { + $s = ''; + } + $this->lastRow = $row; + return $s; + } + + /** + * Creates begin of history list with a submit button + * + * @return string HTML output + */ + function getStartBody() { + global $wgScript, $wgEnableHtmlDiff, $wgUser; + $this->lastRow = false; + $this->counter = 1; + $this->oldIdChecked = 0; + + $s = wfMsgExt( 'histlegend', array( 'parse') ); + if( $this->getNumRows() > 1 && $wgUser->isAllowed('deleterevision') ) { + $revdel = SpecialPage::getTitleFor( 'Revisiondelete' ); + $s .= Xml::openElement( 'form', + array( + 'action' => $revdel->getLocalURL( array( + 'type' => 'revision', + 'target' => $this->title->getPrefixedDbKey() + ) ), + 'method' => 'post', + 'id' => 'mw-history-revdeleteform', + 'style' => 'visibility:hidden;float:right;' + ) + ); + $s .= Xml::hidden( 'ids', '', array('id'=>'revdel-oldid') ); + $s .= Xml::submitButton( wfMsg( 'showhideselectedversions' ) ); + $s .= Xml::closeElement( 'form' ); + } + $s .= Xml::openElement( 'form', array( 'action' => $wgScript, + 'id' => 'mw-history-compare' ) ); + $s .= Xml::hidden( 'title', $this->title->getPrefixedDbKey() ); + if( $wgEnableHtmlDiff ) { + $s .= $this->submitButton( wfMsg( 'visualcomparison'), + array( + 'name' => 'htmldiff', + 'class' => 'historysubmit', + 'accesskey' => wfMsg( 'accesskey-visualcomparison' ), + 'title' => wfMsg( 'tooltip-compareselectedversions' ), + ) + ); + $s .= $this->submitButton( wfMsg( 'wikicodecomparison'), + array( + 'class' => 'historysubmit', + 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), + 'title' => wfMsg( 'tooltip-compareselectedversions' ), + ) + ); + } else { + $s .= $this->submitButton( wfMsg( 'compareselectedversions'), + array( + 'class' => 'historysubmit', + 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), + 'title' => wfMsg( 'tooltip-compareselectedversions' ), + ) + ); + } + $s .= ''; + if( $wgEnableHtmlDiff ) { + $s .= $this->submitButton( wfMsg( 'visualcomparison'), + array( + 'name' => 'htmldiff', + 'class' => 'historysubmit', + 'accesskey' => wfMsg( 'accesskey-visualcomparison' ), + 'title' => wfMsg( 'tooltip-compareselectedversions' ), + ) + ); + $s .= $this->submitButton( wfMsg( 'wikicodecomparison'), + array( + 'class' => 'historysubmit', + 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), + 'title' => wfMsg( 'tooltip-compareselectedversions' ), + ) + ); + } else { + $s .= $this->submitButton( wfMsg( 'compareselectedversions'), + array( + 'class' => 'historysubmit', + 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), + 'title' => wfMsg( 'tooltip-compareselectedversions' ), + ) + ); + } + $s .= ''; + return $s; + } + + /** + * Creates a submit button + * + * @param array $attributes attributes + * @return string HTML output for the submit button + */ + function submitButton($message, $attributes = array() ) { + # Disable submit button if history has 1 revision only + if( $this->getNumRows() > 1 ) { + return Xml::submitButton( $message , $attributes ); + } else { + return ''; + } + } + + /** + * Returns a row from the history printout. + * + * @todo document some more, and maybe clean up the code (some params redundant?) + * + * @param Row $row The database row corresponding to the previous line. + * @param mixed $next The database row corresponding to the next line. + * @param int $counter Apparently a counter of what row number we're at, counted from the top row = 1. + * @param $notificationtimestamp + * @param bool $latest Whether this row corresponds to the page's latest revision. + * @param bool $firstInList Whether this row corresponds to the first displayed on this history page. + * @return string HTML output for the row + */ + function historyLine( $row, $next, $counter = '', $notificationtimestamp = false, + $latest = false, $firstInList = false ) + { + global $wgUser, $wgLang; + $rev = new Revision( $row ); + $rev->setTitle( $this->title ); + + $curlink = $this->curLink( $rev, $latest ); + $lastlink = $this->lastLink( $rev, $next, $counter ); + $diffButtons = $this->diffButtons( $rev, $firstInList, $counter ); + $link = $this->revLink( $rev ); + $classes = array(); + + $s = "($curlink) ($lastlink) $diffButtons"; + + if( $wgUser->isAllowed( 'deleterevision' ) ) { + // Hide JS by default for non-JS browsing + $hidden = array( 'style' => 'display:none' ); + // If revision was hidden from sysops + if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) { + $del = Xml::check( 'deleterevisions', false, + $hidden + array('disabled' => 'disabled') ); + $del .= Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ), + '(' . $this->historyPage->message['rev-delundel'] . ')' ); + // Otherwise, show the link... + } else { + $id = $rev->getId(); + $jsCall = "updateShowHideForm($id,this.checked)"; + $del = Xml::check( 'showhiderevisions', false, + $hidden + array( + 'onchange' => $jsCall, + 'id' => "mw-revdel-$id" ) ); + $query = array( + 'type' => 'revision', + 'target' => $this->title->getPrefixedDbkey(), + 'ids' => $rev->getId() ); + $del .= $this->getSkin()->revDeleteLink( $query, + $rev->isDeleted( Revision::DELETED_RESTRICTED ) ); + } + $s .= " $del "; + } + + $s .= " $link"; + $s .= " " . $this->getSkin()->revUserTools( $rev, true ) . ""; + + if( $rev->isMinor() ) { + $s .= ' ' . ChangesList::flag( 'minor' ); + } + + if( !is_null( $size = $rev->getSize() ) && !$rev->isDeleted( Revision::DELETED_TEXT ) ) { + $s .= ' ' . $this->getSkin()->formatRevisionSize( $size ); + } + + $s .= $this->getSkin()->revComment( $rev, false, true ); + + if( $notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp) ) { + $s .= ' ' . wfMsgHtml( 'updatedmarker' ) . ''; + } + + $tools = array(); + + if( !is_null( $next ) && is_object( $next ) ) { + if( $latest && $this->title->userCan( 'rollback' ) && $this->title->userCan( 'edit' ) ) { + $tools[] = ''. + $this->getSkin()->buildRollbackLink( $rev ).''; + } + + if( $this->title->quickUserCan( 'edit' ) + && !$rev->isDeleted( Revision::DELETED_TEXT ) + && !$next->rev_deleted & Revision::DELETED_TEXT ) + { + # Create undo tooltip for the first (=latest) line only + $undoTooltip = $latest + ? array( 'title' => wfMsg( 'tooltip-undo' ) ) + : array(); + $undolink = $this->getSkin()->link( + $this->title, + wfMsgHtml( 'editundo' ), + $undoTooltip, + array( 'action' => 'edit', 'undoafter' => $next->rev_id, 'undo' => $rev->getId() ), + array( 'known', 'noclasses' ) + ); + $tools[] = "{$undolink}"; + } + } + + if( $tools ) { + $s .= ' (' . $wgLang->pipeList( $tools ) . ')'; + } + + # Tags + list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'history' ); + $classes = array_merge( $classes, $newClasses ); + $s .= " $tagSummary"; + + wfRunHooks( 'PageHistoryLineEnding', array( $this, &$row , &$s ) ); + + $attribs = array(); + if ( $classes ) { + $attribs['class'] = implode( ' ', $classes ); + } + + return Xml::tags( 'li', $attribs, $s ) . "\n"; + } + + /** + * Create a link to view this revision of the page + * @param Revision $rev + * @returns string + */ + function revLink( $rev ) { + global $wgLang; + $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true ); + $date = htmlspecialchars( $date ); + if( !$rev->isDeleted( Revision::DELETED_TEXT ) ) { + $link = $this->getSkin()->link( + $this->title, + $date, + array(), + array( 'oldid' => $rev->getId() ), + array( 'known', 'noclasses' ) + ); + } else { + $link = "$date"; + } + return $link; + } + + /** + * Create a diff-to-current link for this revision for this page + * @param Revision $rev + * @param Bool $latest, this is the latest revision of the page? + * @returns string + */ + function curLink( $rev, $latest ) { + $cur = $this->historyPage->message['cur']; + if( $latest || !$rev->userCan( Revision::DELETED_TEXT ) ) { + return $cur; + } else { + return $this->getSkin()->link( + $this->title, + $cur, + array(), + array( + 'diff' => $this->title->getLatestRevID(), + 'oldid' => $rev->getId() + ), + array( 'known', 'noclasses' ) + ); + } + } + + /** + * Create a diff-to-previous link for this revision for this page. + * @param Revision $prevRev, the previous revision + * @param mixed $next, the newer revision + * @param int $counter, what row on the history list this is + * @returns string + */ + function lastLink( $prevRev, $next, $counter ) { + $last = $this->historyPage->message['last']; + # $next may either be a Row, null, or "unkown" + $nextRev = is_object($next) ? new Revision( $next ) : $next; + if( is_null($next) ) { + # Probably no next row + return $last; + } elseif( $next === 'unknown' ) { + # Next row probably exists but is unknown, use an oldid=prev link + return $this->getSkin()->link( + $this->title, + $last, + array(), + array( + 'diff' => $prevRev->getId(), + 'oldid' => 'prev' + ), + array( 'known', 'noclasses' ) + ); + } elseif( !$prevRev->userCan(Revision::DELETED_TEXT) || !$nextRev->userCan(Revision::DELETED_TEXT) ) { + return $last; + } else { + return $this->getSkin()->link( + $this->title, + $last, + array(), + array( + 'diff' => $prevRev->getId(), + 'oldid' => $next->rev_id + ), + array( 'known', 'noclasses' ) + ); + } + } + + /** + * Create radio buttons for page history + * + * @param object $rev Revision + * @param bool $firstInList Is this version the first one? + * @param int $counter A counter of what row number we're at, counted from the top row = 1. + * @return string HTML output for the radio buttons + */ + function diffButtons( $rev, $firstInList, $counter ) { + if( $this->getNumRows() > 1 ) { + $id = $rev->getId(); + $radio = array( 'type' => 'radio', 'value' => $id ); + /** @todo: move title texts to javascript */ + if( $firstInList ) { + $first = Xml::element( 'input', + array_merge( $radio, array( + 'style' => 'visibility:hidden', + 'name' => 'oldid', + 'id' => 'mw-oldid-null' ) ) + ); + $checkmark = array( 'checked' => 'checked' ); + } else { + # Check visibility of old revisions + if( !$rev->userCan( Revision::DELETED_TEXT ) ) { + $radio['disabled'] = 'disabled'; + $checkmark = array(); // We will check the next possible one + } else if( $counter == 2 || !$this->oldIdChecked ) { + $checkmark = array( 'checked' => 'checked' ); + $this->oldIdChecked = $id; + } else { + $checkmark = array(); + } + $first = Xml::element( 'input', + array_merge( $radio, $checkmark, array( + 'name' => 'oldid', + 'id' => "mw-oldid-$id" ) ) ); + $checkmark = array(); + } + $second = Xml::element( 'input', + array_merge( $radio, $checkmark, array( + 'name' => 'diff', + 'id' => "mw-diff-$id" ) ) ); + return $first . $second; + } else { + return ''; + } + } +} + +/** + * Backwards-compatibility aliases + */ +class PageHistory extends HistoryPage {} +class PageHistoryPager extends HistoryPager {} + diff --git a/includes/PageHistory.php b/includes/PageHistory.php deleted file mode 100644 index 7e31c0c66a..0000000000 --- a/includes/PageHistory.php +++ /dev/null @@ -1,715 +0,0 @@ -history() to print the - * history. - * - */ -class PageHistory { - const DIR_PREV = 0; - const DIR_NEXT = 1; - - var $mArticle, $mTitle, $mSkin; - var $lastdate; - var $linesonpage; - var $mLatestId = null; - - private $mOldIdChecked = 0; - - /** - * Construct a new PageHistory. - * - * @param Article $article - * @returns nothing - */ - function __construct( $article ) { - global $wgUser; - $this->mArticle =& $article; - $this->mTitle =& $article->mTitle; - $this->mSkin = $wgUser->getSkin(); - $this->preCacheMessages(); - } - - function getArticle() { - return $this->mArticle; - } - - function getTitle() { - return $this->mTitle; - } - - /** - * As we use the same small set of messages in various methods and that - * they are called often, we call them once and save them in $this->message - */ - function preCacheMessages() { - // Precache various messages - if( !isset( $this->message ) ) { - foreach( explode(' ', 'cur last rev-delundel' ) as $msg ) { - $this->message[$msg] = wfMsgExt( $msg, array( 'escape') ); - } - } - } - - /** - * Print the history page for an article. - * - * @returns nothing - */ - function history() { - global $wgOut, $wgRequest, $wgScript; - - /* - * Allow client caching. - */ - if( $wgOut->checkLastModified( $this->mArticle->getTouched() ) ) - return; // Client cache fresh and headers sent, nothing more to do. - - wfProfileIn( __METHOD__ ); - - /* - * Setup page variables. - */ - $wgOut->setPageTitle( wfMsg( 'history-title', $this->mTitle->getPrefixedText() ) ); - $wgOut->setPageTitleActionText( wfMsg( 'history_short' ) ); - $wgOut->setArticleFlag( false ); - $wgOut->setArticleRelated( true ); - $wgOut->setRobotPolicy( 'noindex,nofollow' ); - $wgOut->setSyndicated( true ); - $wgOut->setFeedAppendQuery( 'action=history' ); - $wgOut->addScriptFile( 'history.js' ); - - $logPage = SpecialPage::getTitleFor( 'Log' ); - $logLink = $this->mSkin->link( - $logPage, - wfMsgHtml( 'viewpagelogs' ), - array(), - array( 'page' => $this->mTitle->getPrefixedText() ), - array( 'known', 'noclasses' ) - ); - $wgOut->setSubtitle( $logLink ); - - $feedType = $wgRequest->getVal( 'feed' ); - if( $feedType ) { - wfProfileOut( __METHOD__ ); - return $this->feed( $feedType ); - } - - /* - * Fail if article doesn't exist. - */ - if( !$this->mTitle->exists() ) { - $wgOut->addWikiMsg( 'nohistory' ); - wfProfileOut( __METHOD__ ); - return; - } - - /** - * Add date selector to quickly get to a certain time - */ - $year = $wgRequest->getInt( 'year' ); - $month = $wgRequest->getInt( 'month' ); - $tagFilter = $wgRequest->getVal( 'tagfilter' ); - $tagSelector = ChangeTags::buildTagFilterSelector( $tagFilter ); - - $action = htmlspecialchars( $wgScript ); - $wgOut->addHTML( - "
" . - Xml::fieldset( wfMsg( 'history-fieldset-title' ), false, array( 'id' => 'mw-history-search' ) ) . - Xml::hidden( 'title', $this->mTitle->getPrefixedDBKey() ) . "\n" . - Xml::hidden( 'action', 'history' ) . "\n" . - xml::dateMenu( $year, $month ) . ' ' . - ( $tagSelector ? ( implode( ' ', $tagSelector ) . ' ' ) : '' ) . - Xml::submitButton( wfMsg( 'allpagessubmit' ) ) . "\n" . - '
' - ); - - wfRunHooks( 'PageHistoryBeforeList', array( &$this->mArticle ) ); - - /** - * Do the list - */ - $pager = new PageHistoryPager( $this, $year, $month, $tagFilter ); - $this->linesonpage = $pager->getNumRows(); - $wgOut->addHTML( - $pager->getNavigationBar() . - $this->beginHistoryList() . - $pager->getBody() . - $this->endHistoryList() . - $pager->getNavigationBar() - ); - - wfProfileOut( __METHOD__ ); - } - - /** - * Creates begin of history list with a submit button - * - * @return string HTML output - */ - function beginHistoryList() { - global $wgUser, $wgScript, $wgEnableHtmlDiff; - $this->lastdate = ''; - $s = wfMsgExt( 'histlegend', array( 'parse') ); - if( $this->linesonpage > 1 && $wgUser->isAllowed('deleterevision') ) { - $revdel = SpecialPage::getTitleFor( 'Revisiondelete' ); - $s .= Xml::openElement( 'form', - array( - 'action' => $revdel->getLocalURL( array( - 'type' => 'revision', - 'target' => $this->mTitle->getPrefixedDbKey() - ) ), - 'method' => 'post', - 'id' => 'mw-history-revdeleteform', - 'style' => 'visibility:hidden;float:right;' - ) - ); - $s .= Xml::hidden( 'ids', '', array('id'=>'revdel-oldid') ); - $s .= Xml::submitButton( wfMsg( 'showhideselectedversions' ) ); - $s .= Xml::closeElement( 'form' ); - } - $s .= Xml::openElement( 'form', array( 'action' => $wgScript, - 'id' => 'mw-history-compare' ) ); - $s .= Xml::hidden( 'title', $this->mTitle->getPrefixedDbKey() ); - if( $wgEnableHtmlDiff ) { - $s .= $this->submitButton( wfMsg( 'visualcomparison'), - array( - 'name' => 'htmldiff', - 'class' => 'historysubmit', - 'accesskey' => wfMsg( 'accesskey-visualcomparison' ), - 'title' => wfMsg( 'tooltip-compareselectedversions' ), - ) - ); - $s .= $this->submitButton( wfMsg( 'wikicodecomparison'), - array( - 'class' => 'historysubmit', - 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), - 'title' => wfMsg( 'tooltip-compareselectedversions' ), - ) - ); - } else { - $s .= $this->submitButton( wfMsg( 'compareselectedversions'), - array( - 'class' => 'historysubmit', - 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), - 'title' => wfMsg( 'tooltip-compareselectedversions' ), - ) - ); - } - $s .= ''; - if( $wgEnableHtmlDiff ) { - $s .= $this->submitButton( wfMsg( 'visualcomparison'), - array( - 'name' => 'htmldiff', - 'class' => 'historysubmit', - 'accesskey' => wfMsg( 'accesskey-visualcomparison' ), - 'title' => wfMsg( 'tooltip-compareselectedversions' ), - ) - ); - $s .= $this->submitButton( wfMsg( 'wikicodecomparison'), - array( - 'class' => 'historysubmit', - 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), - 'title' => wfMsg( 'tooltip-compareselectedversions' ), - ) - ); - } else { - $s .= $this->submitButton( wfMsg( 'compareselectedversions'), - array( - 'class' => 'historysubmit', - 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ), - 'title' => wfMsg( 'tooltip-compareselectedversions' ), - ) - ); - } - $s .= ''; - return $s; - } - - /** - * Creates a submit button - * - * @param array $attributes attributes - * @return string HTML output for the submit button - */ - function submitButton($message, $attributes = array() ) { - # Disable submit button if history has 1 revision only - if( $this->linesonpage > 1 ) { - return Xml::submitButton( $message , $attributes ); - } else { - return ''; - } - } - - /** - * Returns a row from the history printout. - * - * @todo document some more, and maybe clean up the code (some params redundant?) - * - * @param Row $row The database row corresponding to the previous line. - * @param mixed $next The database row corresponding to the next line. - * @param int $counter Apparently a counter of what row number we're at, counted from the top row = 1. - * @param $notificationtimestamp - * @param bool $latest Whether this row corresponds to the page's latest revision. - * @param bool $firstInList Whether this row corresponds to the first displayed on this history page. - * @return string HTML output for the row - */ - function historyLine( $row, $next, $counter = '', $notificationtimestamp = false, - $latest = false, $firstInList = false ) - { - global $wgUser, $wgLang; - $rev = new Revision( $row ); - $rev->setTitle( $this->mTitle ); - - $curlink = $this->curLink( $rev, $latest ); - $lastlink = $this->lastLink( $rev, $next, $counter ); - $arbitrary = $this->diffButtons( $rev, $firstInList, $counter ); - $link = $this->revLink( $rev ); - $classes = array(); - - $s = "($curlink) ($lastlink) $arbitrary"; - - if( $wgUser->isAllowed( 'deleterevision' ) ) { - // Hide JS by default for non-JS browsing - $hidden = array( 'style' => 'display:none' ); - // If revision was hidden from sysops - if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) { - $del = Xml::check( 'deleterevisions', false, - $hidden + array('disabled' => 'disabled') ); - $del .= Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ), - '(' . $this->message['rev-delundel'] . ')' ); - // Otherwise, show the link... - } else { - $id = $rev->getId(); - $jsCall = "updateShowHideForm($id,this.checked)"; - $del = Xml::check( 'showhiderevisions', false, - $hidden + array( - 'onchange' => $jsCall, - 'id' => "mw-revdel-$id" ) ); - $query = array( - 'type' => 'revision', - 'target' => $this->mTitle->getPrefixedDbkey(), - 'ids' => $rev->getId() ); - $del .= $this->mSkin->revDeleteLink( $query, - $rev->isDeleted( Revision::DELETED_RESTRICTED ) ); - } - $s .= " $del "; - } - - $s .= " $link"; - $s .= " " . $this->mSkin->revUserTools( $rev, true ) . ""; - - if( $rev->isMinor() ) { - $s .= ' ' . ChangesList::flag( 'minor' ); - } - - if( !is_null( $size = $rev->getSize() ) && !$rev->isDeleted( Revision::DELETED_TEXT ) ) { - $s .= ' ' . $this->mSkin->formatRevisionSize( $size ); - } - - $s .= $this->mSkin->revComment( $rev, false, true ); - - if( $notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp) ) { - $s .= ' ' . wfMsgHtml( 'updatedmarker' ) . ''; - } - - $tools = array(); - - if( !is_null( $next ) && is_object( $next ) ) { - if( $latest && $this->mTitle->userCan( 'rollback' ) && $this->mTitle->userCan( 'edit' ) ) { - $tools[] = ''. - $this->mSkin->buildRollbackLink( $rev ).''; - } - - if( $this->mTitle->quickUserCan( 'edit' ) - && !$rev->isDeleted( Revision::DELETED_TEXT ) - && !$next->rev_deleted & Revision::DELETED_TEXT ) - { - # Create undo tooltip for the first (=latest) line only - $undoTooltip = $latest - ? array( 'title' => wfMsg( 'tooltip-undo' ) ) - : array(); - $undolink = $this->mSkin->link( - $this->mTitle, - wfMsgHtml( 'editundo' ), - $undoTooltip, - array( 'action' => 'edit', 'undoafter' => $next->rev_id, 'undo' => $rev->getId() ), - array( 'known', 'noclasses' ) - ); - $tools[] = "{$undolink}"; - } - } - - if( $tools ) { - $s .= ' (' . $wgLang->pipeList( $tools ) . ')'; - } - - # Tags - list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'history' ); - $classes = array_merge( $classes, $newClasses ); - $s .= " $tagSummary"; - - wfRunHooks( 'PageHistoryLineEnding', array( $this, &$row , &$s ) ); - - $classes = implode( ' ', $classes ); - - return "
  • $s
  • \n"; - } - - /** - * Create a link to view this revision of the page - * @param Revision $rev - * @returns string - */ - function revLink( $rev ) { - global $wgLang; - $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true ); - $date = htmlspecialchars( $date ); - if( !$rev->isDeleted( Revision::DELETED_TEXT ) ) { - $link = $this->mSkin->link( - $this->mTitle, - $date, - array(), - array( 'oldid' => $rev->getId() ), - array( 'known', 'noclasses' ) - ); - } else { - $link = "$date"; - } - return $link; - } - - /** - * Create a diff-to-current link for this revision for this page - * @param Revision $rev - * @param Bool $latest, this is the latest revision of the page? - * @returns string - */ - function curLink( $rev, $latest ) { - $cur = $this->message['cur']; - if( $latest || !$rev->userCan( Revision::DELETED_TEXT ) ) { - return $cur; - } else { - return $this->mSkin->link( - $this->mTitle, - $cur, - array(), - array( - 'diff' => $this->mTitle->getLatestRevID(), - 'oldid' => $rev->getId() - ), - array( 'known', 'noclasses' ) - ); - } - } - - /** - * Create a diff-to-previous link for this revision for this page. - * @param Revision $prevRev, the previous revision - * @param mixed $next, the newer revision - * @param int $counter, what row on the history list this is - * @returns string - */ - function lastLink( $prevRev, $next, $counter ) { - $last = $this->message['last']; - # $next may either be a Row, null, or "unkown" - $nextRev = is_object($next) ? new Revision( $next ) : $next; - if( is_null($next) ) { - # Probably no next row - return $last; - } elseif( $next === 'unknown' ) { - # Next row probably exists but is unknown, use an oldid=prev link - return $this->mSkin->link( - $this->mTitle, - $last, - array(), - array( - 'diff' => $prevRev->getId(), - 'oldid' => 'prev' - ), - array( 'known', 'noclasses' ) - ); - } elseif( !$prevRev->userCan(Revision::DELETED_TEXT) || !$nextRev->userCan(Revision::DELETED_TEXT) ) { - return $last; - } else { - return $this->mSkin->link( - $this->mTitle, - $last, - array(), - array( - 'diff' => $prevRev->getId(), - 'oldid' => $next->rev_id - ), - array( 'known', 'noclasses' ) - ); - } - } - - /** - * Create radio buttons for page history - * - * @param object $rev Revision - * @param bool $firstInList Is this version the first one? - * @param int $counter A counter of what row number we're at, counted from the top row = 1. - * @return string HTML output for the radio buttons - */ - function diffButtons( $rev, $firstInList, $counter ) { - if( $this->linesonpage > 1 ) { - $id = $rev->getId(); - $radio = array( 'type' => 'radio', 'value' => $id ); - /** @todo: move title texts to javascript */ - if( $firstInList ) { - $first = Xml::element( 'input', - array_merge( $radio, array( - 'style' => 'visibility:hidden', - 'name' => 'oldid', - 'id' => 'mw-oldid-null' ) ) - ); - $checkmark = array( 'checked' => 'checked' ); - } else { - # Check visibility of old revisions - if( !$rev->userCan( Revision::DELETED_TEXT ) ) { - $radio['disabled'] = 'disabled'; - $checkmark = array(); // We will check the next possible one - } else if( $counter == 2 || !$this->mOldIdChecked ) { - $checkmark = array( 'checked' => 'checked' ); - $this->mOldIdChecked = $id; - } else { - $checkmark = array(); - } - $first = Xml::element( 'input', - array_merge( $radio, $checkmark, array( - 'name' => 'oldid', - 'id' => "mw-oldid-$id" ) ) ); - $checkmark = array(); - } - $second = Xml::element( 'input', - array_merge( $radio, $checkmark, array( - 'name' => 'diff', - 'id' => "mw-diff-$id" ) ) ); - return $first . $second; - } else { - return ''; - } - } - - /** - * Fetch an array of revisions, specified by a given limit, offset and - * direction. This is now only used by the feeds. It was previously - * used by the main UI but that's now handled by the pager. - */ - function fetchRevisions($limit, $offset, $direction) { - $dbr = wfGetDB( DB_SLAVE ); - - if( $direction == PageHistory::DIR_PREV ) - list($dirs, $oper) = array("ASC", ">="); - else /* $direction == PageHistory::DIR_NEXT */ - list($dirs, $oper) = array("DESC", "<="); - - if( $offset ) - $offsets = array("rev_timestamp $oper '$offset'"); - else - $offsets = array(); - - $page_id = $this->mTitle->getArticleID(); - - return $dbr->select( 'revision', - Revision::selectFields(), - array_merge(array("rev_page=$page_id"), $offsets), - __METHOD__, - array( 'ORDER BY' => "rev_timestamp $dirs", - 'USE INDEX' => 'page_timestamp', 'LIMIT' => $limit) - ); - } - - /** - * Output a subscription feed listing recent edits to this page. - * @param string $type - */ - function feed( $type ) { - global $wgFeedClasses, $wgRequest, $wgFeedLimit; - if( !FeedUtils::checkFeedOutput($type) ) { - return; - } - - $feed = new $wgFeedClasses[$type]( - $this->mTitle->getPrefixedText() . ' - ' . - wfMsgForContent( 'history-feed-title' ), - wfMsgForContent( 'history-feed-description' ), - $this->mTitle->getFullUrl( array( 'action' => 'history' ) ) - ); - - // Get a limit on number of feed entries. Provide a sane default - // of 10 if none is defined (but limit to $wgFeedLimit max) - $limit = $wgRequest->getInt( 'limit', 10 ); - if( $limit > $wgFeedLimit || $limit < 1 ) { - $limit = 10; - } - $items = $this->fetchRevisions($limit, 0, PageHistory::DIR_NEXT); - - $feed->outHeader(); - if( $items ) { - foreach( $items as $row ) { - $feed->outItem( $this->feedItem( $row ) ); - } - } else { - $feed->outItem( $this->feedEmpty() ); - } - $feed->outFooter(); - } - - function feedEmpty() { - global $wgOut; - return new FeedItem( - wfMsgForContent( 'nohistory' ), - $wgOut->parse( wfMsgForContent( 'history-feed-empty' ) ), - $this->mTitle->getFullUrl(), - wfTimestamp( TS_MW ), - '', - $this->mTitle->getTalkPage()->getFullUrl() - ); - } - - /** - * Generate a FeedItem object from a given revision table row - * Borrows Recent Changes' feed generation functions for formatting; - * includes a diff to the previous revision (if any). - * - * @param $row - * @return FeedItem - */ - function feedItem( $row ) { - $rev = new Revision( $row ); - $rev->setTitle( $this->mTitle ); - $text = FeedUtils::formatDiffRow( - $this->mTitle, - $this->mTitle->getPreviousRevisionID( $rev->getId() ), - $rev->getId(), - $rev->getTimestamp(), - $rev->getComment() - ); - if( $rev->getComment() == '' ) { - global $wgContLang; - $ts = $rev->getTimestamp(); - $title = wfMsgForContent( 'history-feed-item-nocomment', - $rev->getUserText(), - $wgContLang->timeanddate( $ts ), - $wgContLang->date( $ts ), - $wgContLang->time( $ts ) ); - } else { - $title = $rev->getUserText() . wfMsgForContent( 'colon-separator' ) . - FeedItem::stripComment( $rev->getComment() ); - } - return new FeedItem( - $title, - $text, - $this->mTitle->getFullUrl( array( - 'diff' => $rev->getId(), - 'oldid' => 'prev' - ) ), - $rev->getTimestamp(), - $rev->getUserText(), - $this->mTitle->getTalkPage()->getFullUrl() - ); - } -} - -/** - * @ingroup Pager - */ -class PageHistoryPager extends ReverseChronologicalPager { - public $mLastRow = false, $mPageHistory, $mTitle; - - function __construct( $pageHistory, $year='', $month='', $tagFilter = '' ) { - parent::__construct(); - $this->mPageHistory = $pageHistory; - $this->mTitle =& $this->mPageHistory->mTitle; - $this->tagFilter = $tagFilter; - $this->getDateCond( $year, $month ); - } - - function getQueryInfo() { - $queryInfo = array( - 'tables' => array('revision'), - 'fields' => array_merge( Revision::selectFields(), array('ts_tags') ), - 'conds' => array('rev_page' => $this->mPageHistory->mTitle->getArticleID() ), - 'options' => array( 'USE INDEX' => array('revision' => 'page_timestamp') ), - 'join_conds' => array( 'tag_summary' => array( 'LEFT JOIN', 'ts_rev_id=rev_id' ) ), - ); - ChangeTags::modifyDisplayQuery( $queryInfo['tables'], - $queryInfo['fields'], - $queryInfo['conds'], - $queryInfo['join_conds'], - $queryInfo['options'], - $this->tagFilter ); - wfRunHooks( 'PageHistoryPager::getQueryInfo', array( &$this, &$queryInfo ) ); - return $queryInfo; - } - - function getIndexField() { - return 'rev_timestamp'; - } - - function formatRow( $row ) { - if( $this->mLastRow ) { - $latest = $this->mCounter == 1 && $this->mIsFirst; - $firstInList = $this->mCounter == 1; - $s = $this->mPageHistory->historyLine( $this->mLastRow, $row, $this->mCounter++, - $this->mTitle->getNotificationTimestamp(), $latest, $firstInList ); - } else { - $s = ''; - } - $this->mLastRow = $row; - return $s; - } - - function getStartBody() { - $this->mLastRow = false; - $this->mCounter = 1; - return ''; - } - - function getEndBody() { - if( $this->mLastRow ) { - $latest = $this->mCounter == 1 && $this->mIsFirst; - $firstInList = $this->mCounter == 1; - if( $this->mIsBackwards ) { - # Next row is unknown, but for UI reasons, probably exists if an offset has been specified - if( $this->mOffset == '' ) { - $next = null; - } else { - $next = 'unknown'; - } - } else { - # The next row is the past-the-end row - $next = $this->mPastTheEndRow; - } - $s = $this->mPageHistory->historyLine( $this->mLastRow, $next, $this->mCounter++, - $this->mTitle->getNotificationTimestamp(), $latest, $firstInList ); - } else { - $s = ''; - } - return $s; - } -} diff --git a/includes/Pager.php b/includes/Pager.php index 3f96251077..8bd7da2511 100644 --- a/includes/Pager.php +++ b/includes/Pager.php @@ -50,7 +50,7 @@ interface Pager { * last page depending on the dir parameter. * * Subclassing the pager to implement concrete functionality should be fairly - * simple, please see the examples in PageHistory.php and + * simple, please see the examples in HistoryPage.php and * SpecialIpblocklist.php. You just need to override formatRow(), * getQueryInfo() and getIndexField(). Don't forget to call the parent * constructor if you override it. @@ -87,6 +87,9 @@ abstract class IndexPager implements Pager { public $mDefaultDirection; public $mIsBackwards; + /** True if the current result set is the first one */ + public $mIsFirst; + /** * Result object for the query. Warning: seek before use. */ diff --git a/includes/Wiki.php b/includes/Wiki.php index a310151df2..bad7af9536 100644 --- a/includes/Wiki.php +++ b/includes/Wiki.php @@ -532,7 +532,7 @@ class MediaWiki { if( $request->getFullRequestURL() == $title->getInternalURL( 'action=history' ) ) { $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) ); } - $history = new PageHistory( $article ); + $history = new HistoryPage( $article ); $history->history(); break; default: