* @package MediaWiki
*/
-include_once ( "SpecialValidate.php" );
-
-define("DIR_PREV", 0);
-define("DIR_NEXT", 1);
-
/**
* This class handles printing the history page for an article. In order to
* be efficient, it uses timestamps rather than offsets for paging, to avoid
*/
class PageHistory {
+ const DIR_PREV = 0;
+ const DIR_NEXT = 1;
+
var $mArticle, $mTitle, $mSkin;
var $lastdate;
var $linesonpage;
var $mNotificationTimestamp;
+ var $mLatestId = null;
/**
* Construct a new PageHistory.
$this->mTitle =& $article->mTitle;
$this->mNotificationTimestamp = NULL;
$this->mSkin = $wgUser->getSkin();
+
+ $this->defaultLimit = 50;
}
/**
* @returns nothing
*/
function history() {
- global $wgUser, $wgOut, $wgLang, $wgShowUpdatedMarker, $wgRequest,
- $wgTitle, $wgUseValidation;
+ global $wgOut, $wgRequest, $wgTitle;
/*
* Allow client caching.
$wgOut->setArticleFlag( false );
$wgOut->setArticleRelated( true );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
+ $wgOut->setSyndicated( true );
+
+ $feedType = $wgRequest->getVal( 'feed' );
+ if( $feedType ) {
+ wfProfileOut( $fname );
+ return $this->feed( $feedType );
+ }
/*
* Fail if article doesn't exist.
*/
- $id = $this->mTitle->getArticleID();
- if( $id == 0 ) {
- $wgOut->addWikiText( 'nohistory' );
+ if( !$this->mTitle->exists() ) {
+ $wgOut->addWikiText( wfMsg( 'nohistory' ) );
wfProfileOut( $fname );
return;
}
+ $dbr =& wfGetDB(DB_SLAVE);
+
/*
* Extract limit, the number of revisions to show, and
* offset, the timestamp to begin at, from the URL.
*/
- $limit = $wgRequest->getInt('limit', 50);
+ $limit = $wgRequest->getInt('limit', $this->defaultLimit);
$offset = $wgRequest->getText('offset');
/* Offset must be an integral. */
if (!strlen($offset) || !preg_match("/^[0-9]+$/", $offset))
$offset = 0;
-
+# $offset = $dbr->timestamp($offset);
+ $dboffset = $offset === 0 ? 0 : $dbr->timestamp($offset);
/*
* "go=last" means to jump to the last history page.
*/
if (($gowhere = $wgRequest->getText("go")) !== NULL) {
+ $gourl = null;
switch ($gowhere) {
case "first":
- if (($lastid = $this->getLastOffsetForPaging($id, $limit)) === NULL)
+ if (($lastid = $this->getLastOffsetForPaging($this->mTitle->getArticleID(), $limit)) === NULL)
break;
- $gourl = $wgTitle->getLocalURL("action=history&limit={$limit}&offset={$lastid}");
+ $gourl = $wgTitle->getLocalURL("action=history&limit={$limit}&offset=".
+ wfTimestamp(TS_MW, $lastid));
break;
- default:
- $gourl = NULL;
}
if (!is_null($gourl)) {
* previous revisions when generating the URL.
*/
$direction = $this->getDirection();
- $revisions = $this->fetchRevisions($limit, $offset, $direction);
+ $revisions = $this->fetchRevisions($limit, $dboffset, $direction);
$navbar = $this->makeNavbar($revisions, $offset, $limit, $direction);
/*
$this->linesonpage = count($revisions) - 1;
/* Un-reverse revisions */
- if ($direction == DIR_PREV)
+ if ($direction == PageHistory::DIR_PREV)
$revisions = array_reverse($revisions);
/*
* Print each revision, excluding the one-past-the-end, if any.
*/
foreach (array_slice($revisions, 0, $limit) as $i => $line) {
- $first = !$i && $offset == 0;
+ $latest = !$i && $offset == 0;
+ $firstInList = !$i;
$next = isset( $revisions[$i + 1] ) ? $revisions[$i + 1 ] : null;
- $s .= $this->historyLine($line, $next, $counter, $this->getNotificationTimestamp(), $first);
+ $s .= $this->historyLine($line, $next, $counter, $this->getNotificationTimestamp(), $latest, $firstInList);
+ $counter++;
}
/*
$s .= $this->endHistoryList();
$s .= $navbar;
- /*
- * Article validation line.
- */
- if ($wgUseValidation)
- $s .= "<p>" . Validation::link2statistics ( $this->mArticle ) . "</p>" ;
-
$wgOut->addHTML( $s );
wfProfileOut( $fname );
}
+ /** @todo document */
function beginHistoryList() {
global $wgTitle;
$this->lastdate = '';
- $s = '<p>' . wfMsg( 'histlegend' ) . '</p>';
+ $s = wfMsgExt( 'histlegend', array( 'parse') );
$s .= '<form action="' . $wgTitle->escapeLocalURL( '-' ) . '" method="get">';
$prefixedkey = htmlspecialchars($wgTitle->getPrefixedDbKey());
+
+ // The following line is SUPPOSED to have double-quotes around the
+ // $prefixedkey variable, because htmlspecialchars() doesn't escape
+ // single-quotes.
+ //
+ // On at least two occasions people have changed it to single-quotes,
+ // which creates invalid HTML and incorrect display of the resulting
+ // link.
+ //
+ // Please do not break this a third time. Thank you for your kind
+ // consideration and cooperation.
+ //
$s .= "<input type='hidden' name='title' value=\"{$prefixedkey}\" />\n";
+
$s .= $this->submitButton();
- $s .= '<ul id="pagehistory">';
+ $s .= '<ul id="pagehistory">' . "\n";
return $s;
}
+ /** @todo document */
function endHistoryList() {
- $last = wfMsg( 'last' );
-
$s = '</ul>';
$s .= $this->submitButton( array( 'id' => 'historysubmit' ) );
$s .= '</form>';
return $s;
}
+ /** @todo document */
function submitButton( $bits = array() ) {
return ( $this->linesonpage > 0 )
? wfElement( 'input', array_merge( $bits,
: '';
}
- function historyLine( $row, $next, $counter = '', $notificationtimestamp = false, $latest = false ) {
- global $wgLang, $wgContLang;
-
- static $message;
- if( !isset( $message ) ) {
- foreach( explode( ' ', 'cur last selectolderversionfordiff selectnewerversionfordiff minoreditletter' ) as $msg ) {
- $message[$msg] = wfMsg( $msg );
- }
- }
-
- $link = $this->revLink( $row );
-
- if ( 0 == $row->rev_user ) {
- $contribsPage =& Title::makeTitle( NS_SPECIAL, 'Contributions' );
- $ul = $this->mSkin->makeKnownLinkObj( $contribsPage,
- htmlspecialchars( $row->rev_user_text ),
- 'target=' . urlencode( $row->rev_user_text ) );
- } else {
- $userPage =& Title::makeTitle( NS_USER, $row->rev_user_text );
- $ul = $this->mSkin->makeLinkObj( $userPage , htmlspecialchars( $row->rev_user_text ) );
- }
+ /** @todo document */
+ function historyLine( $row, $next, $counter = '', $notificationtimestamp = false, $latest = false, $firstInList = false ) {
+ global $wgUser;
+ $rev = new Revision( $row );
+ $rev->setTitle( $this->mTitle );
$s = '<li>';
- if( $row->rev_deleted ) {
- $s .= '<span class="deleted">';
+ $curlink = $this->curLink( $rev, $latest );
+ $lastlink = $this->lastLink( $rev, $next, $counter );
+ $arbitrary = $this->diffButtons( $rev, $firstInList, $counter );
+ $link = $this->revLink( $rev );
+ $user = $this->mSkin->revUserLink( $rev );
+
+ $s .= "($curlink) ($lastlink) $arbitrary";
+
+ if( $wgUser->isAllowed( 'deleterevision' ) ) {
+ $revdel = Title::makeTitle( NS_SPECIAL, 'Revisiondelete' );
+ if( $firstInList ) {
+ // We don't currently handle well changing the top revision's settings
+ $del = wfMsgHtml( 'rev-delundel' );
+ } else {
+ $del = $this->mSkin->makeKnownLinkObj( $revdel,
+ wfMsg( 'rev-delundel' ),
+ 'target=' . urlencode( $this->mTitle->getPrefixedDbkey() ) .
+ '&oldid=' . urlencode( $rev->getId() ) );
+ }
+ $s .= "(<small>$del</small>) ";
}
- $curlink = $this->curLink( $row, $latest );
- $lastlink = $this->lastLink( $row, $next, $counter );
- $arbitrary = $this->diffButtons( $row, $latest, $counter );
- $s .= "({$curlink}) ({$lastlink}) $arbitrary {$link} <span class='user'>{$ul}</span>";
+
+ $s .= " $link <span class='history-user'>$user</span>";
if( $row->rev_minor_edit ) {
- $s .= ' ' . wfElement( 'span', array( 'class' => 'minor' ), $message['minoreditletter'] );
+ $s .= ' ' . wfElement( 'span', array( 'class' => 'minor' ), wfMsg( 'minoreditletter') );
}
- $s .= $this->mSkin->commentBlock( $row->rev_comment, $this->mTitle );
- if ($this->getNotificationTimestamp() && ($row->rev_timestamp >= $this->getNotificationTimestamp())) {
- $s .= wfMsg( 'updatedmarker' );
+ $s .= $this->mSkin->revComment( $rev );
+ if ($notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp)) {
+ $s .= ' <span class="updatedmarker">' . wfMsgHtml( 'updatedmarker' ) . '</span>';
}
- if( $row->rev_deleted ) {
- $s .= "</span> " . htmlspecialchars( wfMsg( 'deletedrev' ) );
+ if( $row->rev_deleted & Revision::MW_REV_DELETED_TEXT ) {
+ $s .= ' ' . wfMsgHtml( 'deletedrev' );
}
- $s .= '</li>';
+ $s .= "</li>\n";
return $s;
}
-
- function revLink( $row ) {
- global $wgUser, $wgLang;
- $date = $wgLang->timeanddate( $row->rev_timestamp, true );
- if( $row->rev_deleted && !$wgUser->isAllowed( 'undelete' ) ) {
- return $date;
+
+ /** @todo document */
+ function revLink( $rev ) {
+ global $wgLang;
+ $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true );
+ if( $rev->userCan( Revision::MW_REV_DELETED_TEXT ) ) {
+ $link = $this->mSkin->makeKnownLinkObj(
+ $this->mTitle, $date, "oldid=" . $rev->getId() );
} else {
- return $this->mSkin->makeKnownLinkObj(
- $this->mTitle,
- $date,
- 'oldid='.$row->rev_id );
+ $link = $date;
+ }
+ if( $rev->isDeleted( Revision::MW_REV_DELETED_TEXT ) ) {
+ return '<span class="history-deleted">' . $link . '</span>';
}
+ return $link;
}
- function curLink( $row, $latest ) {
- global $wgUser;
- $cur = htmlspecialchars( wfMsg( 'cur' ) );
- if( $latest
- || ( $row->rev_deleted && !$wgUser->isAllowed( 'undelete' ) ) ) {
+ /** @todo document */
+ function curLink( $rev, $latest ) {
+ $cur = wfMsgExt( 'cur', array( 'escape') );
+ if( $latest || !$rev->userCan( Revision::MW_REV_DELETED_TEXT ) ) {
return $cur;
} else {
return $this->mSkin->makeKnownLinkObj(
- $this->mTitle,
- $cur,
- 'diff=0&oldid=' . $row->rev_id );
+ $this->mTitle, $cur,
+ 'diff=' . $this->getLatestID() .
+ "&oldid=" . $rev->getId() );
}
}
- function lastLink( $row, $next, $counter ) {
- global $wgUser;
- $last = htmlspecialchars( wfMsg( 'last' ) );
- if( is_null( $next )
- || ( $row->rev_deleted && !$wgUser->isAllowed( 'undelete' ) ) ) {
+ /** @todo document */
+ function lastLink( $rev, $next, $counter ) {
+ $last = wfMsgExt( 'last', array( 'escape' ) );
+ if( is_null( $next ) ) {
+ if( $rev->getTimestamp() == $this->getEarliestOffset() ) {
+ return $last;
+ } else {
+ // Cut off by paging; there are more behind us...
+ return $this->mSkin->makeKnownLinkObj(
+ $this->mTitle,
+ $last,
+ "diff=" . $rev->getId() . "&oldid=prev" );
+ }
+ } elseif( !$rev->userCan( Revision::MW_REV_DELETED_TEXT ) ) {
return $last;
} else {
return $this->mSkin->makeKnownLinkObj(
- $this->mTitle,
- $last,
- "diff={$row->rev_id}&oldid={$next->rev_id}",
- '',
- '',
- ' tabindex="'.$counter.'"' );
+ $this->mTitle,
+ $last,
+ "diff=" . $rev->getId() . "&oldid={$next->rev_id}"
+ /*,
+ '',
+ '',
+ "tabindex={$counter}"*/ );
}
}
- function diffButtons( $row, $latest, $counter ) {
- global $wgUser;
+ /** @todo document */
+ function diffButtons( $rev, $firstInList, $counter ) {
if( $this->linesonpage > 1) {
$radio = array(
'type' => 'radio',
- 'value' => $row->rev_id,
- 'title' => wfMsg( 'selectolderversionfordiff' )
+ 'value' => $rev->getId(),
+# do we really need to flood this on every item?
+# 'title' => wfMsgHtml( 'selectolderversionfordiff' )
);
- if( $row->rev_deleted && !$wgUser->isAllowed( 'undelete' ) ) {
+
+ if( !$rev->userCan( Revision::MW_REV_DELETED_TEXT ) ) {
$radio['disabled'] = 'disabled';
}
- # XXX: move title texts to javascript
- if ( $latest ) {
+ /** @todo: move title texts to javascript */
+ if ( $firstInList ) {
$first = wfElement( 'input', array_merge(
$radio,
array(
}
}
- function getLatestOffset($id) {
+ /** @todo document */
+ function getLatestOffset( $id = null ) {
+ if ( $id === null) $id = $this->mTitle->getArticleID();
return $this->getExtremeOffset( $id, 'max' );
}
-
- function getEarliestOffset($id) {
+
+ /** @todo document */
+ function getEarliestOffset( $id = null ) {
+ if ( $id === null) $id = $this->mTitle->getArticleID();
return $this->getExtremeOffset( $id, 'min' );
}
+ /** @todo document */
function getExtremeOffset( $id, $func ) {
$db =& wfGetDB(DB_SLAVE);
return $db->selectField( 'revision',
'PageHistory::getExtremeOffset' );
}
- function getLastOffsetForPaging( $id, $step = 50 ) {
- $db =& wfGetDB(DB_SLAVE);
- $revision = $db->tableName( 'revision' );
- $sql = "SELECT rev_timestamp FROM $revision WHERE rev_page = $id " .
- "ORDER BY rev_timestamp ASC LIMIT $step";
- $res = $db->query( $sql, "PageHistory::getLastOffsetForPaging" );
- $n = $db->numRows( $res );
+ /** @todo document */
+ function getLatestId() {
+ if( is_null( $this->mLatestId ) ) {
+ $id = $this->mTitle->getArticleID();
+ $db =& wfGetDB(DB_SLAVE);
+ $this->mLatestId = $db->selectField( 'revision',
+ "max(rev_id)",
+ array( 'rev_page' => $id ),
+ 'PageHistory::getLatestID' );
+ }
+ return $this->mLatestId;
+ }
+ /** @todo document */
+ function getLastOffsetForPaging( $id, $step ) {
+ $fname = 'PageHistory::getLastOffsetForPaging';
+
+ $dbr =& wfGetDB(DB_SLAVE);
+ $res = $dbr->select(
+ 'revision',
+ 'rev_timestamp',
+ "rev_page=$id",
+ $fname,
+ array('ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => $step));
+
+ $n = $dbr->numRows( $res );
$last = null;
- while( $obj = $db->fetchObject( $res ) ) {
+ while( $obj = $dbr->fetchObject( $res ) ) {
$last = $obj->rev_timestamp;
}
- $db->freeResult( $res );
+ $dbr->freeResult( $res );
return $last;
}
+ /**
+ * @return returns the direction of browsing watchlist
+ */
function getDirection() {
global $wgRequest;
-
if ($wgRequest->getText("dir") == "prev")
- return DIR_PREV;
+ return PageHistory::DIR_PREV;
else
- return DIR_NEXT;
+ return PageHistory::DIR_NEXT;
}
+ /** @todo document */
function fetchRevisions($limit, $offset, $direction) {
- global $wgUser, $wgShowUpdatedMarker;
-
- /* Check one extra row to see whether we need to show 'next' and diff links */
- $limitplus = $limit + 1;
-
- $namespace = $this->mTitle->getNamespace();
- $title = $this->mTitle->getText();
- $uid = $wgUser->getID();
- $db =& wfGetDB( DB_SLAVE );
-
- $use_index = $db->useIndexClause( 'page_timestamp' );
- $revision = $db->tableName( 'revision' );
+ $fname = 'PageHistory::fetchRevisions';
- $limits = $offsets = "";
+ $dbr =& wfGetDB( DB_SLAVE );
- if ($direction == DIR_PREV)
+ if ($direction == PageHistory::DIR_PREV)
list($dirs, $oper) = array("ASC", ">=");
- else /* $direction = DIR_NEXT */
+ else /* $direction == PageHistory::DIR_NEXT */
list($dirs, $oper) = array("DESC", "<=");
if ($offset)
- $offsets .= " AND rev_timestamp $oper '$offset' ";
+ $offsets = array("rev_timestamp $oper '$offset'");
+ else
+ $offsets = array();
- if ($limit)
- $limits .= " LIMIT $limitplus ";
$page_id = $this->mTitle->getArticleID();
- $sql = "SELECT rev_id,rev_user," .
- "rev_comment,rev_user_text,rev_timestamp,rev_minor_edit,rev_deleted ".
- "FROM $revision $use_index " .
- "WHERE rev_page=$page_id " .
- $offsets .
- "ORDER BY rev_timestamp $dirs " .
- $limits;
- $res = $db->query($sql, "PageHistory::fetchRevisions");
+ $res = $dbr->select(
+ 'revision',
+ array('rev_id', 'rev_page', 'rev_text_id', 'rev_user', 'rev_comment', 'rev_user_text',
+ 'rev_timestamp', 'rev_minor_edit', 'rev_deleted'),
+ array_merge(array("rev_page=$page_id"), $offsets),
+ $fname,
+ array('ORDER BY' => "rev_timestamp $dirs",
+ 'USE INDEX' => 'page_timestamp', 'LIMIT' => $limit)
+ );
$result = array();
- while (($obj = $db->fetchObject($res)) != NULL)
+ while (($obj = $dbr->fetchObject($res)) != NULL)
$result[] = $obj;
-wfdebug("limits=$limits offset=$offsets got=".count($result)."\n");
return $result;
}
+ /** @todo document */
function getNotificationTimestamp() {
global $wgUser, $wgShowUpdatedMarker;
+ $fname = 'PageHistory::getNotficationTimestamp';
if ($this->mNotificationTimestamp !== NULL)
return $this->mNotificationTimestamp;
- if ($wgUser->getID() == 0 || !$wgShowUpdatedMarker)
+ if ($wgUser->isAnon() || !$wgShowUpdatedMarker)
return $this->mNotificationTimestamp = false;
- $db =& wfGetDB(DB_SLAVE);
+ $dbr =& wfGetDB(DB_SLAVE);
- $this->mNotificationTimestamp = $db->selectField(
+ $this->mNotificationTimestamp = $dbr->selectField(
'watchlist',
'wl_notificationtimestamp',
array( 'wl_namespace' => $this->mTitle->getNamespace(),
'wl_title' => $this->mTitle->getDBkey(),
'wl_user' => $wgUser->getID()
),
- "PageHistory::getNotficationTimestamp");
+ $fname);
+
+ // Don't use the special value reserved for telling whether the field is filled
+ if ( is_null( $this->mNotificationTimestamp ) ) {
+ $this->mNotificationTimestamp = false;
+ }
return $this->mNotificationTimestamp;
}
+ /** @todo document */
function makeNavbar($revisions, $offset, $limit, $direction) {
- global $wgTitle, $wgLang;
+ global $wgLang;
$revisions = array_slice($revisions, 0, $limit);
- $pageid = $this->mTitle->getArticleID();
- $latestTimestamp = $this->getLatestOffset( $pageid );
- $earliestTimestamp = $this->getEarliestOffset( $pageid );
+ $latestTimestamp = wfTimestamp(TS_MW, $this->getLatestOffset());
+ $earliestTimestamp = wfTimestamp(TS_MW, $this->getEarliestOffset());
/*
* When we're displaying previous revisions, we need to reverse
* the array, because it's queried in reverse order.
*/
- if ($direction == DIR_PREV)
+ if ($direction == PageHistory::DIR_PREV)
$revisions = array_reverse($revisions);
/*
$lowts = $hights = 0;
if( count( $revisions ) ) {
- $latestShown = $revisions[0]->rev_timestamp;
- $earliestShown = $revisions[count($revisions) - 1]->rev_timestamp;
+ $latestShown = wfTimestamp(TS_MW, $revisions[0]->rev_timestamp);
+ $earliestShown = wfTimestamp(TS_MW, $revisions[count($revisions) - 1]->rev_timestamp);
+ } else {
+ $latestShown = null;
+ $earliestShown = null;
}
- $firsturl = $wgTitle->escapeLocalURL("action=history&limit={$limit}&go=first");
- $lasturl = $wgTitle->escapeLocalURL("action=history&limit={$limit}");
- $firsttext = wfMsg("histfirst");
- $lasttext = wfMsg("histlast");
-
- $prevurl = $wgTitle->escapeLocalURL("action=history&dir=prev&offset={$latestShown}&limit={$limit}");
- $nexturl = $wgTitle->escapeLocalURL("action=history&offset={$earliestShown}&limit={$limit}");
+ /* Don't announce the limit everywhere if it's the default */
+ $usefulLimit = $limit == $this->defaultLimit ? '' : $limit;
$urls = array();
foreach (array(20, 50, 100, 250, 500) as $num) {
- $urls[] = "<a href=\"".$wgTitle->escapeLocalURL(
- "action=history&offset={$offset}&limit={$num}")."\">".$wgLang->formatNum($num)."</a>";
+ $urls[] = $this->MakeLink( $wgLang->formatNum($num),
+ array('offset' => $offset == 0 ? '' : wfTimestamp(TS_MW, $offset), 'limit' => $num, ) );
}
-
+
$bits = implode($urls, ' | ');
-
+
wfDebug("latestShown=$latestShown latestTimestamp=$latestTimestamp\n");
if( $latestShown < $latestTimestamp ) {
- $prevtext = "<a href=\"$prevurl\">".wfMsgHtml("prevn", $limit)."</a>";
- $lasttext = "<a href=\"$lasturl\">$lasttext</a>";
+ $prevtext = $this->MakeLink( wfMsgHtml("prevn", $limit),
+ array( 'dir' => 'prev', 'offset' => $latestShown, 'limit' => $usefulLimit ) );
+ $lasttext = $this->MakeLink( wfMsgHtml('histlast'),
+ array( 'limit' => $usefulLimit ) );
} else {
$prevtext = wfMsgHtml("prevn", $limit);
+ $lasttext = wfMsgHtml('histlast');
}
wfDebug("earliestShown=$earliestShown earliestTimestamp=$earliestTimestamp\n");
if( $earliestShown > $earliestTimestamp ) {
- $nexttext = "<a href=\"$nexturl\">".wfMsgHtml("nextn", $limit)."</a>";
- $firsttext = "<a href=\"$firsturl\">$firsttext</a>";
+ $nexttext = $this->MakeLink( wfMsgHtml("nextn", $limit),
+ array( 'offset' => $earliestShown, 'limit' => $usefulLimit ) );
+ $firsttext = $this->MakeLink( wfMsgHtml('histfirst'),
+ array( 'go' => 'first', 'limit' => $usefulLimit ) );
} else {
$nexttext = wfMsgHtml("nextn", $limit);
+ $firsttext = wfMsgHtml('histfirst');
}
$firstlast = "($lasttext | $firsttext)";
return "$firstlast " . wfMsgHtml("viewprevnext", $prevtext, $nexttext, $bits);
}
+
+ function MakeLink($text, $query = NULL) {
+ if ( $query === null ) return $text;
+ return $this->mSkin->makeKnownLinkObj(
+ $this->mTitle, $text,
+ wfArrayToCGI( $query, array( 'action' => 'history' )));
+ }
+
+
+ /**
+ * 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' ) );
+
+ $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() );
+ }
+ $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() );
+ }
+
+ 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 );
+ }
+
+
}
?>