X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FPageHistory.php;h=b1cf41f0de08cfca59b99cd58509b965bde54e39;hb=72a4abe588a7511ed5a92a5e30f889c60d824c1a;hp=754a2d1d4ebe744d253f3b681ec520e8004b34b7;hpb=798270581d38271fa87b2744fa157f77f2d2db80;p=lhc%2Fweb%2Fwiklou.git
diff --git a/includes/PageHistory.php b/includes/PageHistory.php
index 754a2d1d4e..b1cf41f0de 100644
--- a/includes/PageHistory.php
+++ b/includes/PageHistory.php
@@ -1,231 +1,592 @@
history() to print the
+ * history.
+ *
*/
class PageHistory {
+ const DIR_PREV = 0;
+ const DIR_NEXT = 1;
+
var $mArticle, $mTitle, $mSkin;
- var $lastline, $lastdate;
+ var $lastdate;
var $linesonpage;
- function PageHistory( $article ) {
+ var $mNotificationTimestamp;
+ var $mLatestId = null;
+
+ /**
+ * Construct a new PageHistory.
+ *
+ * @param Article $article
+ * @returns nothing
+ */
+ function __construct($article) {
+ global $wgUser;
+
$this->mArticle =& $article;
$this->mTitle =& $article->mTitle;
+ $this->mNotificationTimestamp = NULL;
+ $this->mSkin = $wgUser->getSkin();
}
- # This shares a lot of issues (and code) with Recent Changes
-
+ /**
+ * Print the history page for an article.
+ *
+ * @returns nothing
+ */
function history() {
- global $wgUser, $wgOut, $wgLang, $wgShowUpdatedMarker;
+ global $wgOut, $wgRequest, $wgTitle;
- # If page hasn't changed, client can cache this
+ /*
+ * Allow client caching.
+ */
- if( $wgOut->checkLastModified( $this->mArticle->getTimestamp() ) ){
- # Client cache fresh and headers sent, nothing more to do.
+ if( $wgOut->checkLastModified( $this->mArticle->getTimestamp() ) )
+ /* Client cache fresh and headers sent, nothing more to do. */
return;
- }
+
$fname = 'PageHistory::history';
wfProfileIn( $fname );
- $wgOut->setPageTitle( $this->mTitle->getPRefixedText() );
- $wgOut->setSubtitle( wfMsg( 'revhistory' ) );
+ /*
+ * Setup page variables.
+ */
+ $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
$wgOut->setArticleFlag( false );
$wgOut->setArticleRelated( true );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
+ $wgOut->setSyndicated( true );
- if( $this->mTitle->getArticleID() == 0 ) {
- $wgOut->addHTML( wfMsg( 'nohistory' ) );
- wfProfileOut( $fname );
- return;
- }
+ $logPage = SpecialPage::getTitleFor( 'Log' );
+ $logLink = $this->mSkin->makeKnownLinkObj( $logPage, wfMsgHtml( 'viewpagelogs' ), 'page=' . $this->mTitle->getPrefixedUrl() );
- list( $limit, $offset ) = wfCheckLimits();
-
- /* We have to draw the latest revision from 'cur' */
- $rawlimit = $limit;
- $rawoffset = $offset - 1;
- if( 0 == $offset ) {
- $rawlimit--;
- $rawoffset = 0;
- }
- /* Check one extra row to see whether we need to show 'next' and diff links */
- $limitplus = $rawlimit + 1;
-
- $namespace = $this->mTitle->getNamespace();
- $title = $this->mTitle->getText();
- $uid = $wgUser->getID();
- $db =& wfGetDB( DB_SLAVE );
- if ($wgShowUpdatedMarker && $wgUser->getOption( 'showupdated' )) {
- $dbr =& wfGetDB( DB_MASTER );
- $row = $dbr->selectRow( 'watchlist',
- array( 'wl_notificationtimestamp' ),
- array( 'wl_namespace' => $namespace, 'wl_title' => $this->mTitle->getDBkey(), 'wl_user' => $wgUser->getID() ),
- $fname );
- $notificationtimestamp = $row->wl_notificationtimestamp;
- } else $notificationtimestamp = false ;
-
- $use_index = $db->useIndexClause( 'name_title_timestamp' );
- $oldtable = $db->tableName( 'old' );
-
- $sql = "SELECT old_id,old_user," .
- "old_comment,old_user_text,old_timestamp,old_minor_edit ".
- "FROM $oldtable $use_index " .
- "WHERE old_namespace={$namespace} AND " .
- "old_title='" . $db->strencode( $this->mTitle->getDBkey() ) . "' " .
- "ORDER BY inverse_timestamp".$db->limitResult($limitplus,$rawoffset);
- $res = $db->query( $sql, $fname );
-
- $revs = $db->numRows( $res );
-
- if( $revs < $limitplus ) // the sql above tries to fetch one extra
- $this->linesonpage = $revs;
- else
- $this->linesonpage = $revs - 1;
+ $subtitle = wfMsgHtml( 'revhistory' ) . '
' . $logLink;
+ $wgOut->setSubtitle( $subtitle );
- $atend = ($revs < $limitplus);
+ $feedType = $wgRequest->getVal( 'feed' );
+ if( $feedType ) {
+ wfProfileOut( $fname );
+ return $this->feed( $feedType );
+ }
- $this->mSkin = $wgUser->getSkin();
- $numbar = wfViewPrevNext(
- $offset, $limit,
- $this->mTitle->getPrefixedText(),
- 'action=history', $atend );
- $s = $numbar;
- if($this->linesonpage > 0) {
- $submitpart1 = 'submitbuttonhtml1 = $submitpart1 . ' />';
- $this->submitbuttonhtml2 = $submitpart1 . ' id="historysubmit" />';
- }
- $s .= $this->beginHistoryList();
- $counter = 1;
- if( $offset == 0 ){
- $this->linesonpage++;
- $s .= $this->historyLine(
- $this->mArticle->getTimestamp(),
- $this->mArticle->getUser(),
- $this->mArticle->getUserText(), $namespace,
- $title, 0, $this->mArticle->getComment(),
- ( $this->mArticle->getMinorEdit() > 0 ),
- $counter++,
- $notificationtimestamp
- );
+ /*
+ * Fail if article doesn't exist.
+ */
+ if( !$this->mTitle->exists() ) {
+ $wgOut->addWikiText( wfMsg( 'nohistory' ) );
+ wfProfileOut( $fname );
+ return;
}
- while ( $line = $db->fetchObject( $res ) ) {
- $s .= $this->historyLine(
- $line->old_timestamp, $line->old_user,
- $line->old_user_text, $namespace,
- $title, $line->old_id,
- $line->old_comment, ( $line->old_minor_edit > 0 ),
- $counter++,
- $notificationtimestamp
- );
+
+
+ /*
+ * "go=first" means to jump to the last (earliest) history page.
+ * This is deprecated, it no longer appears in the user interface
+ */
+ if ( $wgRequest->getText("go") == 'first' ) {
+ $limit = $wgRequest->getInt( 'limit', 50 );
+ $wgOut->redirect( $wgTitle->getLocalURL( "action=history&limit={$limit}&dir=prev" ) );
+ return;
}
- $s .= $this->endHistoryList( !$atend );
- $s .= $numbar;
- $wgOut->addHTML( $s );
+
+ wfRunHooks( 'PageHistoryBeforeList', array( &$this->mArticle ) );
+
+ /**
+ * Do the list
+ */
+ $pager = new PageHistoryPager( $this );
+ $this->linesonpage = $pager->getNumRows();
+ $wgOut->addHTML(
+ $pager->getNavigationBar() .
+ $this->beginHistoryList() .
+ $pager->getBody() .
+ $this->endHistoryList() .
+ $pager->getNavigationBar()
+ );
wfProfileOut( $fname );
}
+ /** @todo document */
function beginHistoryList() {
global $wgTitle;
- $this->lastdate = $this->lastline = '';
- $s = '' . wfMsg( 'histlegend' ) . '
';
+ $this->lastdate = '';
+ $s = wfMsgExt( 'histlegend', array( 'parse') );
$s .= '';
return $s;
}
- function historyLine( $ts, $u, $ut, $ns, $ttl, $oid, $c, $isminor, $counter = '', $notificationtimestamp = false ) {
- global $wgLang, $wgContLang;
+ /** @todo document */
+ function submitButton( $bits = array() ) {
+ return ( $this->linesonpage > 0 )
+ ? wfElement( 'input', array_merge( $bits,
+ array(
+ 'class' => 'historysubmit',
+ 'type' => 'submit',
+ 'accesskey' => wfMsg( 'accesskey-compareselectedversions' ),
+ 'title' => wfMsg( 'tooltip-compareselectedversions' ).' ['.wfMsg( 'accesskey-compareselectedversions' ).']',
+ 'value' => wfMsg( 'compareselectedversions' ),
+ ) ) )
+ : '';
+ }
- static $message;
- if( !isset( $message ) ) {
- foreach( explode( ' ', 'cur last selectolderversionfordiff selectnewerversionfordiff minoreditletter' ) as $msg ) {
- $message[$msg] = wfMsg( $msg );
+ /**
+ * Returns a row from the history printout.
+ *
+ * @todo document some more, and maybe clean up the code (some params redundant?)
+ *
+ * @param object $row The database row corresponding to the line (or is it the previous line?).
+ * @param object $next The database row corresponding to the next line (or is it this one?).
+ * @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 );
+
+ $s = '';
+ $curlink = $this->curLink( $rev, $latest );
+ $lastlink = $this->lastLink( $rev, $next, $counter );
+ $arbitrary = $this->diffButtons( $rev, $firstInList, $counter );
+ $link = $this->revLink( $rev );
+
+ $user = $this->mSkin->userLink( $rev->getUser(), $rev->getUserText() )
+ . $this->mSkin->userToolLinks( $rev->getUser(), $rev->getUserText() );
+
+ $s .= "($curlink) ($lastlink) $arbitrary";
+
+ if( $wgUser->isAllowed( 'deleterevision' ) ) {
+ $revdel = SpecialPage::getTitleFor( 'Revisiondelete' );
+ if( $firstInList ) {
+ // We don't currently handle well changing the top revision's settings
+ $del = wfMsgHtml( 'rev-delundel' );
+ } else if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
+ // If revision was hidden from sysops
+ $del = wfMsgHtml( 'rev-delundel' );
+ } else {
+ $del = $this->mSkin->makeKnownLinkObj( $revdel,
+ wfMsg( 'rev-delundel' ),
+ 'target=' . urlencode( $this->mTitle->getPrefixedDbkey() ) .
+ '&oldid=' . urlencode( $rev->getId() ) );
}
+ $s .= " ($del) ";
}
- if ( $oid && $this->lastline ) {
- $ret = preg_replace( "/!OLDID!([0-9]+)!/", $this->mSkin->makeKnownLinkObj(
- $this->mTitle, $message['last'], "diff=\\1&oldid={$oid}",'' ,'' ,' tabindex="'.$counter.'"' ), $this->lastline );
+ $s .= " $link";
+ #getUser is safe, but this avoids making the invalid untargeted contribs links
+ if( $row->rev_deleted & Revision::DELETED_USER ) {
+ $user = '' . wfMsg('rev-deleted-user') . '';
+ }
+ $s .= " $user";
+
+ if( $row->rev_minor_edit ) {
+ $s .= ' ' . wfElement( 'span', array( 'class' => 'minor' ), wfMsg( 'minoreditletter') );
+ }
+
+ if (!is_null($size = $rev->getSize())) {
+ if ($size == 0)
+ $stxt = wfMsgHtml('historyempty');
+ else
+ $stxt = wfMsgHtml('historysize', $wgLang->formatNum( $size ) );
+ $s .= " $stxt";
+ }
+
+ #getComment is safe, but this is better formatted
+ if( $rev->isDeleted( Revision::DELETED_COMMENT ) ) {
+ $s .= " ";
} else {
- $ret = '';
+ $s .= $this->mSkin->revComment( $rev );
+ }
+
+ if ($notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp)) {
+ $s .= ' ' . wfMsgHtml( 'updatedmarker' ) . '';
}
- $dt = $wgLang->timeanddate( $ts, true );
+ #add blurb about text having been deleted
+ if( $row->rev_deleted & Revision::DELETED_TEXT ) {
+ $s .= ' ' . wfMsgHtml( 'deletedrev' );
+ }
+ if( $wgUser->isAllowed( 'rollback' ) && $latest ) {
+ $s .= ' '.$this->mSkin->generateRollback( $rev );
+ }
+
+ wfRunHooks( 'PageHistoryLineEnding', array( &$row , &$s ) );
+
+ $s .= "\n";
- if ( $oid ) {
- $q = 'oldid='.$oid;
+ return $s;
+ }
+
+ /** @todo document */
+ function revLink( $rev ) {
+ global $wgLang;
+ $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true );
+ if( $rev->userCan( Revision::DELETED_TEXT ) ) {
+ $link = $this->mSkin->makeKnownLinkObj(
+ $this->mTitle, $date, "oldid=" . $rev->getId() );
} else {
- $q = '';
+ $link = $date;
+ }
+ if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
+ return '' . $link . '';
}
- $link = $this->mSkin->makeKnownLinkObj( $this->mTitle, $dt, $q );
+ return $link;
+ }
- if ( 0 == $u ) {
- $contribsPage =& Title::makeTitle( NS_SPECIAL, 'Contributions' );
- $ul = $this->mSkin->makeKnownLinkObj( $contribsPage,
- htmlspecialchars( $ut ), 'target=' . urlencode( $ut ) );
+ /** @todo document */
+ function curLink( $rev, $latest ) {
+ $cur = wfMsgExt( 'cur', array( 'escape') );
+ if( $latest || !$rev->userCan( Revision::DELETED_TEXT ) ) {
+ return $cur;
} else {
- $userPage =& Title::makeTitle( NS_USER, $ut );
- $ul = $this->mSkin->makeLinkObj( $userPage , htmlspecialchars( $ut ) );
+ return $this->mSkin->makeKnownLinkObj(
+ $this->mTitle, $cur,
+ 'diff=' . $this->getLatestID() .
+ "&oldid=" . $rev->getId() );
}
+ }
- $s = '';
- if ( $oid ) {
- $curlink = $this->mSkin->makeKnownLinkObj( $this->mTitle, $message['cur'],
- 'diff=0&oldid='.$oid );
+ /** @todo document */
+ function lastLink( $rev, $next, $counter ) {
+ $last = wfMsgExt( 'last', array( 'escape' ) );
+ 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->makeKnownLinkObj(
+ $this->mTitle,
+ $last,
+ "diff=" . $rev->getId() . "&oldid=prev" );
+ } elseif( !$rev->userCan( Revision::DELETED_TEXT ) ) {
+ return $last;
} else {
- $curlink = $message['cur'];
+ return $this->mSkin->makeKnownLinkObj(
+ $this->mTitle,
+ $last,
+ "diff=" . $rev->getId() . "&oldid={$next->rev_id}"
+ /*,
+ '',
+ '',
+ "tabindex={$counter}"*/ );
}
- $arbitrary = '';
+ }
+
+ /** @todo document */
+ function diffButtons( $rev, $firstInList, $counter ) {
if( $this->linesonpage > 1) {
- # XXX: move title texts to javascript
- $checkmark = '';
- if ( !$oid ) {
- $arbitrary = '';
- $checkmark = ' checked="checked"';
+ $radio = array(
+ 'type' => 'radio',
+ 'value' => $rev->getId(),
+# do we really need to flood this on every item?
+# 'title' => wfMsgHtml( 'selectolderversionfordiff' )
+ );
+
+ if( !$rev->userCan( Revision::DELETED_TEXT ) ) {
+ $radio['disabled'] = 'disabled';
+ }
+
+ /** @todo: move title texts to javascript */
+ if ( $firstInList ) {
+ $first = wfElement( 'input', array_merge(
+ $radio,
+ array(
+ 'style' => 'visibility:hidden',
+ 'name' => 'oldid' ) ) );
+ $checkmark = array( 'checked' => 'checked' );
} else {
- if( $counter == 2 ) $checkmark = ' checked="checked"';
- $arbitrary = '';
- $checkmark = '';
+ if( $counter == 2 ) {
+ $checkmark = array( 'checked' => 'checked' );
+ } else {
+ $checkmark = array();
+ }
+ $first = wfElement( 'input', array_merge(
+ $radio,
+ $checkmark,
+ array( 'name' => 'oldid' ) ) );
+ $checkmark = array();
}
- $arbitrary .= '';
+ $second = wfElement( 'input', array_merge(
+ $radio,
+ $checkmark,
+ array( 'name' => 'diff' ) ) );
+ return $first . $second;
+ } else {
+ return '';
+ }
+ }
+
+ /** @todo document */
+ function getLatestId() {
+ if( is_null( $this->mLatestId ) ) {
+ $id = $this->mTitle->getArticleID();
+ $db = wfGetDB(DB_SLAVE);
+ $this->mLatestId = $db->selectField( 'page',
+ "page_latest",
+ array( 'page_id' => $id ),
+ 'PageHistory::getLatestID' );
+ }
+ return $this->mLatestId;
+ }
+
+ /**
+ * Fetch an array of revisions, specified by a given limit, offset and
+ * direction. This is now only used by the feeds. It was previously
+ * used by the main UI but that's now handled by the pager.
+ */
+ function fetchRevisions($limit, $offset, $direction) {
+ $fname = 'PageHistory::fetchRevisions';
+
+ $dbr = wfGetDB( DB_SLAVE );
+
+ if ($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();
+
+ $res = $dbr->select(
+ 'revision',
+ Revision::selectFields(),
+ array_merge(array("rev_page=$page_id"), $offsets),
+ $fname,
+ array('ORDER BY' => "rev_timestamp $dirs",
+ 'USE INDEX' => 'page_timestamp', 'LIMIT' => $limit)
+ );
+
+ $result = array();
+ while (($obj = $dbr->fetchObject($res)) != NULL)
+ $result[] = $obj;
+
+ return $result;
+ }
+
+ /** @todo document */
+ function getNotificationTimestamp() {
+ global $wgUser, $wgShowUpdatedMarker;
+ $fname = 'PageHistory::getNotficationTimestamp';
+
+ if ($this->mNotificationTimestamp !== NULL)
+ return $this->mNotificationTimestamp;
+
+ if ($wgUser->isAnon() || !$wgShowUpdatedMarker)
+ return $this->mNotificationTimestamp = false;
+
+ $dbr = wfGetDB(DB_SLAVE);
+
+ $this->mNotificationTimestamp = $dbr->selectField(
+ 'watchlist',
+ 'wl_notificationtimestamp',
+ array( 'wl_namespace' => $this->mTitle->getNamespace(),
+ 'wl_title' => $this->mTitle->getDBkey(),
+ 'wl_user' => $wgUser->getID()
+ ),
+ $fname);
+
+ // Don't use the special value reserved for telling whether the field is filled
+ if ( is_null( $this->mNotificationTimestamp ) ) {
+ $this->mNotificationTimestamp = false;
}
- $s .= "({$curlink}) (!OLDID!{$oid}!) $arbitrary {$link} {$ul}";
- $s .= $isminor ? ' '.$message['minoreditletter'].'': '' ;
+ return $this->mNotificationTimestamp;
+ }
+
+ /**
+ * Output a subscription feed listing recent edits to this page.
+ * @param string $type
+ */
+ function feed( $type ) {
+ require_once 'SpecialRecentchanges.php';
+
+ global $wgFeedClasses;
+ if( !isset( $wgFeedClasses[$type] ) ) {
+ global $wgOut;
+ $wgOut->addWikiText( wfMsg( 'feed-invalid' ) );
+ return;
+ }
+
+ $feed = new $wgFeedClasses[$type](
+ $this->mTitle->getPrefixedText() . ' - ' .
+ wfMsgForContent( 'history-feed-title' ),
+ wfMsgForContent( 'history-feed-description' ),
+ $this->mTitle->getFullUrl( 'action=history' ) );
- if ( '' != $c && '*' != $c ) {
- $c = $this->mSkin->formatcomment( $c, $this->mTitle );
- $s .= " ($c)";
+ $items = $this->fetchRevisions(10, 0, PageHistory::DIR_NEXT);
+ $feed->outHeader();
+ if( $items ) {
+ foreach( $items as $row ) {
+ $feed->outItem( $this->feedItem( $row ) );
+ }
+ } else {
+ $feed->outItem( $this->feedEmpty() );
}
- if ($notificationtimestamp && ($ts >= $notificationtimestamp)) {
- $s .= wfMsg( 'updatedmarker' );
+ $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 = rcFormatDiffRow( $this->mTitle,
+ $this->mTitle->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() . ": " . $this->stripComment( $rev->getComment() );
}
- $s .= '';
- $this->lastline = $s;
- return $ret;
+ return new FeedItem(
+ $title,
+ $text,
+ $this->mTitle->getFullUrl( 'diff=' . $rev->getId() . '&oldid=prev' ),
+ $rev->getTimestamp(),
+ $rev->getUserText(),
+ $this->mTitle->getTalkPage()->getFullUrl() );
+ }
+
+ /**
+ * Quickie hack... strip out wikilinks to more legible form from the comment.
+ */
+ function stripComment( $text ) {
+ return preg_replace( '/\[\[([^]]*\|)?([^]]+)\]\]/', '\2', $text );
+ }
+}
+
+
+/**
+ * @addtogroup Pager
+ */
+class PageHistoryPager extends ReverseChronologicalPager {
+ public $mLastRow = false, $mPageHistory;
+
+ function __construct( $pageHistory ) {
+ parent::__construct();
+ $this->mPageHistory = $pageHistory;
+ }
+
+ function getQueryInfo() {
+ return array(
+ 'tables' => 'revision',
+ 'fields' => Revision::selectFields(),
+ 'conds' => array('rev_page' => $this->mPageHistory->mTitle->getArticleID() ),
+ 'options' => array( 'USE INDEX' => 'page_timestamp' )
+ );
}
+ function getIndexField() {
+ return 'rev_timestamp';
+ }
+
+ function formatRow( $row ) {
+ if ( $this->mLastRow ) {
+ $latest = $this->mCounter == 1 && $this->mOffset == '';
+ $firstInList = $this->mCounter == 1;
+ $s = $this->mPageHistory->historyLine( $this->mLastRow, $row, $this->mCounter++,
+ $this->mPageHistory->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->mOffset == 0;
+ $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->mPageHistory->getNotificationTimestamp(), $latest, $firstInList );
+ } else {
+ $s = '';
+ }
+ return $s;
+ }
}
?>