<?php
+/**
+ * Page history
+ *
+ * Split off from Article.php and Skin.php, 2003-12-22
+ * @package MediaWiki
+ */
-/* Page history
- Split off from Article.php and Skin.php, 2003-12-22
-*/
+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
+ * costly LIMIT,offset queries.
+ *
+ * Construct it by passing in an Article, and call $h->history() to print the
+ * history.
+ *
+ * @package MediaWiki
+ */
class PageHistory {
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 $article
+ * @returns nothing
+ */
+ function PageHistory($article) {
+ global $wgUser;
+
$this->mArticle =& $article;
$this->mTitle =& $article->mTitle;
+ $this->mNotificationTimestamp = NULL;
+ $this->mSkin = $wgUser->getSkin();
+
+ $this->defaultLimit = 50;
}
-
- # This shares a lot of issues (and code) with Recent Changes
- function history()
- {
- global $wgUser, $wgOut, $wgLang;
+ /**
+ * Print the history page for an article.
+ *
+ * @returns nothing
+ */
+ function history() {
+ global $wgOut, $wgRequest, $wgTitle;
- # If page hasn't changed, client can cache this
-
- if( $wgOut->checkLastModified( $this->mArticle->getTimestamp() ) ){
- # Client cache fresh and headers sent, nothing more to do.
+ /*
+ * Allow client caching.
+ */
+
+ if( $wgOut->checkLastModified( $this->mArticle->getTimestamp() ) )
+ /* Client cache fresh and headers sent, nothing more to do. */
return;
- }
- $fname = "PageHistory::history";
+
+ $fname = 'PageHistory::history';
wfProfileIn( $fname );
- $wgOut->setPageTitle( $this->mTitle->getPRefixedText() );
- $wgOut->setSubtitle( wfMsg( "revhistory" ) );
+ /*
+ * Setup page variables.
+ */
+ $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+ $wgOut->setSubtitle( wfMsg( 'revhistory' ) );
$wgOut->setArticleFlag( false );
$wgOut->setArticleRelated( true );
- $wgOut->setRobotpolicy( "noindex,nofollow" );
+ $wgOut->setRobotpolicy( 'noindex,nofollow' );
+ $wgOut->setSyndicated( true );
- if( $this->mTitle->getArticleID() == 0 ) {
- $wgOut->addHTML( wfMsg( "nohistory" ) );
+ $feedType = $wgRequest->getVal( 'feed' );
+ if( $feedType ) {
+ wfProfileOut( $fname );
+ return $this->feed( $feedType );
+ }
+
+ /*
+ * Fail if article doesn't exist.
+ */
+ if( !$this->mTitle->exists() ) {
+ $wgOut->addWikiText( wfMsg( 'nohistory' ) );
wfProfileOut( $fname );
return;
}
-
- 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();
- $sql = "SELECT old_id,old_user," .
- "old_comment,old_user_text,old_timestamp,old_minor_edit ".
- "FROM old USE INDEX (name_title_timestamp) " .
- "WHERE old_namespace={$namespace} AND " .
- "old_title='" . wfStrencode( $this->mTitle->getDBkey() ) . "' " .
- "ORDER BY inverse_timestamp LIMIT $rawoffset, $limitplus";
- $res = wfQuery( $sql, DB_READ, $fname );
-
- $revs = wfNumRows( $res );
-
- if( $revs < $limitplus ) // the sql above tries to fetch one extra
- $this->linesonpage = $revs;
+
+ $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', $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 = $wgRequest->getText("go")) !== NULL) {
+ switch ($gowhere) {
+ case "first":
+ if (($lastid = $this->getLastOffsetForPaging($this->mTitle->getArticleID(), $limit)) === NULL)
+ break;
+ $gourl = $wgTitle->getLocalURL("action=history&limit={$limit}&offset=".
+ wfTimestamp(TS_MW, $lastid));
+ break;
+ default:
+ $gourl = NULL;
+ }
+
+ if (!is_null($gourl)) {
+ $wgOut->redirect($gourl);
+ return;
+ }
+ }
+
+ /*
+ * Fetch revisions.
+ *
+ * If the user clicked "previous", we retrieve the revisions backwards,
+ * then reverse them. This is to avoid needing to know the timestamp of
+ * previous revisions when generating the URL.
+ */
+ $direction = $this->getDirection();
+ $revisions = $this->fetchRevisions($limit, $dboffset, $direction);
+ $navbar = $this->makeNavbar($revisions, $offset, $limit, $direction);
+
+ /*
+ * We fetch one more revision than needed to get the timestamp of the
+ * one after this page (and to know if it exists).
+ *
+ * linesonpage stores the actual number of lines.
+ */
+ if (count($revisions) < $limit + 1)
+ $this->linesonpage = count($revisions);
else
- $this->linesonpage = $revs - 1;
+ $this->linesonpage = count($revisions) - 1;
- $atend = ($revs < $limitplus);
-
- $this->mSkin = $wgUser->getSkin();
- $numbar = wfViewPrevNext(
- $offset, $limit,
- $this->mTitle->getPrefixedText(),
- "action=history", $atend );
- $s = $numbar;
+ /* Un-reverse revisions */
+ if ($direction == DIR_PREV)
+ $revisions = array_reverse($revisions);
+
+ /*
+ * Print the top navbar.
+ */
+ $s = $navbar;
$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++
- );
- }
- while ( $line = wfFetchObject( $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 ),
- $counter++
- );
+
+ /*
+ * Print each revision, excluding the one-past-the-end, if any.
+ */
+ foreach (array_slice($revisions, 0, $limit) as $i => $line) {
+ $latest = !$i && $offset == 0;
+ $firstInList = !$i;
+ $next = isset( $revisions[$i + 1] ) ? $revisions[$i + 1 ] : null;
+ $s .= $this->historyLine($line, $next, $counter, $this->getNotificationTimestamp(), $latest, $firstInList);
+ $counter++;
}
- $s .= $this->endHistoryList( !$atend );
- $s .= $numbar;
+
+ /*
+ * End navbar.
+ */
+ $s .= $this->endHistoryList();
+ $s .= $navbar;
+
$wgOut->addHTML( $s );
wfProfileOut( $fname );
}
- function beginHistoryList()
- {
+ /** @todo document */
+ function beginHistoryList() {
global $wgTitle;
- $this->lastdate = $this->lastline = "";
- $url = $wgTitle->getFullURL("-");
- $s = "\n<script type='text/javascript'>
- /*<![CDATA[*/
- var sel = -1;
- function anysel(oid){
- row = document.getElementById(\"ver\" + oid);
- if( row.selected ){
- row.style.backgroundColor=row.oldbg;
- row.selected = 0;
- sel = -1;
- } else {
- row.oldbg = row.style.backgroundColor;
- row.style.backgroundColor=\"lightgrey\";
- row.selected = 1;
- if( sel == -1){
- sel = oid;
- } else {
- dodiff(sel, oid);
- }
- }
- return false;
- }
- function dodiff(oldid, diff){
- if( (diff < oldid && diff != 0) || oldid == 0 ){
- tmp = oldid; oldid = diff; diff = tmp;
- }
- u = \"{$url}diff=\" + diff + \"&oldid=\" + oldid;
- location.href=u;
- }
- /*]]>*/
- </script>";
- $s .= "\n<p>" . wfMsg( "histlegend" ) . "</p>\n<ul class='special'>";
+ $this->lastdate = '';
+ $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">' . "\n";
return $s;
}
- function endHistoryList( $skip = false )
- {
- $last = wfMsg( "last" );
-
- $s = $skip ? "" : preg_replace( "/!OLDID![0-9]+!/", $last, $this->lastline );
- $s .= "</ul>\n";
+ /** @todo document */
+ function endHistoryList() {
+ $s = '</ul>';
+ $s .= $this->submitButton( array( 'id' => 'historysubmit' ) );
+ $s .= '</form>';
return $s;
}
- function historyLine( $ts, $u, $ut, $ns, $ttl, $oid, $c, $isminor, $counter = '' )
- {
+ /** @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' ),
+ 'value' => wfMsg( 'compareselectedversions' ),
+ ) ) )
+ : '';
+ }
+
+ /** @todo document */
+ function historyLine( $row, $next, $counter = '', $notificationtimestamp = false, $latest = false, $firstInList = false ) {
+ global $wgUser;
+ $rev = new Revision( $row );
+
+ $s = '<li>';
+ $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>) ";
+ }
+
+ $s .= " $link <span class='history-user'>$user</span>";
+
+ if( $row->rev_minor_edit ) {
+ $s .= ' ' . wfElement( 'span', array( 'class' => 'minor' ), wfMsg( 'minoreditletter') );
+ }
+
+ $s .= $this->mSkin->revComment( $rev );
+ if ($notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp)) {
+ $s .= ' <span class="updatedmarker">' . wfMsgHtml( 'updatedmarker' ) . '</span>';
+ }
+ if( $row->rev_deleted & MW_REV_DELETED_TEXT ) {
+ $s .= ' ' . wfMsgHtml( 'deletedrev' );
+ }
+ $s .= "</li>\n";
+
+ return $s;
+ }
+
+ /** @todo document */
+ function revLink( $rev ) {
global $wgLang;
+ $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp()), true );
+ if( $rev->userCan( MW_REV_DELETED_TEXT ) ) {
+ $link = $this->mSkin->makeKnownLinkObj(
+ $this->mTitle, $date, "oldid=" . $rev->getId() );
+ } else {
+ $link = $date;
+ }
+ if( $rev->isDeleted( MW_REV_DELETED_TEXT ) ) {
+ return '<span class="history-deleted">' . $link . '</span>';
+ }
+ return $link;
+ }
- $artname = Title::makeName( $ns, $ttl );
- $last = wfMsg( "last" );
- $cur = wfMsg( "cur" );
- $cr = wfMsg( "currentrev" );
+ /** @todo document */
+ function curLink( $rev, $latest ) {
+ $cur = wfMsgExt( 'cur', array( 'escape') );
+ if( $latest || !$rev->userCan( MW_REV_DELETED_TEXT ) ) {
+ return $cur;
+ } else {
+ return $this->mSkin->makeKnownLinkObj(
+ $this->mTitle, $cur,
+ 'diff=' . $this->getLatestID() .
+ "&oldid=" . $rev->getId() );
+ }
+ }
- if ( $oid && $this->lastline ) {
- $ret = preg_replace( "/!OLDID!([0-9]+)!/", $this->mSkin->makeKnownLink(
- $artname, $last, "diff=\\1&oldid={$oid}",'' ,'' ,' tabindex="'.$counter.'"' ), $this->lastline );
+ /** @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( MW_REV_DELETED_TEXT ) ) {
+ return $last;
} else {
- $ret = "";
+ return $this->mSkin->makeKnownLinkObj(
+ $this->mTitle,
+ $last,
+ "diff=" . $rev->getId() . "&oldid={$next->rev_id}"
+ /*,
+ '',
+ '',
+ "tabindex={$counter}"*/ );
}
- $dt = $wgLang->timeanddate( $ts, true );
+ }
- if ( $oid ) {
- $q = "oldid={$oid}";
+ /** @todo document */
+ function diffButtons( $rev, $firstInList, $counter ) {
+ if( $this->linesonpage > 1) {
+ $radio = array(
+ 'type' => 'radio',
+ 'value' => $rev->getId(),
+# do we really need to flood this on every item?
+# 'title' => wfMsgHtml( 'selectolderversionfordiff' )
+ );
+
+ if( !$rev->userCan( MW_REV_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 = array( 'checked' => 'checked' );
+ } else {
+ $checkmark = array();
+ }
+ $first = wfElement( 'input', array_merge(
+ $radio,
+ $checkmark,
+ array( 'name' => 'oldid' ) ) );
+ $checkmark = array();
+ }
+ $second = wfElement( 'input', array_merge(
+ $radio,
+ $checkmark,
+ array( 'name' => 'diff' ) ) );
+ return $first . $second;
} else {
- $q = "";
+ return '';
}
- $link = $this->mSkin->makeKnownLink( $artname, $dt, $q );
+ }
+
+ /** @todo document */
+ function getLatestOffset( $id = null ) {
+ if ( $id === null) $id = $this->mTitle->getArticleID();
+ return $this->getExtremeOffset( $id, 'max' );
+ }
- if ( 0 == $u ) {
- $ul = $this->mSkin->makeKnownLink( $wgLang->specialPage( "Contributions" ),
- $ut, "target=" . $ut );
- } else {
- $ul = $this->mSkin->makeLink( $wgLang->getNsText(
- Namespace::getUser() ) . ":{$ut}", $ut );
+ /** @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 $db->selectField( 'revision',
+ "$func(rev_timestamp)",
+ array( 'rev_page' => $id ),
+ 'PageHistory::getExtremeOffset' );
+ }
+
+ /** @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 = $dbr->fetchObject( $res ) ) {
+ $last = $obj->rev_timestamp;
+ }
+ $dbr->freeResult( $res );
+ return $last;
+ }
+
+ /**
+ * @return returns the direction of browsing watchlist
+ */
+ function getDirection() {
+ global $wgRequest;
+ if ($wgRequest->getText("dir") == "prev")
+ return DIR_PREV;
+ else
+ return DIR_NEXT;
+ }
+
+ /** @todo document */
+ function fetchRevisions($limit, $offset, $direction) {
+ $fname = 'PageHistory::fetchRevisions';
- $s = "<li>";
- if ( $oid ) {
- $curlink = $this->mSkin->makeKnownLink( $artname, $cur,
- "diff=0&oldid={$oid}" );
+ $dbr =& wfGetDB( DB_SLAVE );
+
+ if ($direction == DIR_PREV)
+ list($dirs, $oper) = array("ASC", ">=");
+ else /* $direction == DIR_NEXT */
+ list($dirs, $oper) = array("DESC", "<=");
+
+ if ($offset)
+ $offsets = array("rev_timestamp $oper '$offset'");
+ else
+ $offsets = array();
+
+ $page_id = $this->mTitle->getArticleID();
+
+ $res = $dbr->select(
+ 'revision',
+ array('rev_id', 'rev_page', 'rev_text_id', 'rev_user', 'rev_comment', 'rev_user_text',
+ 'rev_timestamp', 'rev_minor_edit', 'rev_deleted'),
+ array_merge(array("rev_page=$page_id"), $offsets),
+ $fname,
+ array('ORDER BY' => "rev_timestamp $dirs",
+ 'USE INDEX' => 'page_timestamp', 'LIMIT' => $limit)
+ );
+
+ $result = array();
+ while (($obj = $dbr->fetchObject($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);
+
+ return $this->mNotificationTimestamp;
+ }
+
+ /** @todo document */
+ function makeNavbar($revisions, $offset, $limit, $direction) {
+ global $wgLang;
+
+ $revisions = array_slice($revisions, 0, $limit);
+
+ $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)
+ $revisions = array_reverse($revisions);
+
+ /*
+ * lowts is the timestamp of the first revision on this page.
+ * hights is the timestamp of the last revision.
+ */
+
+ $lowts = $hights = 0;
+
+ if( count( $revisions ) ) {
+ $latestShown = wfTimestamp(TS_MW, $revisions[0]->rev_timestamp);
+ $earliestShown = wfTimestamp(TS_MW, $revisions[count($revisions) - 1]->rev_timestamp);
+ }
+
+ /* 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[] = $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 = $this->MakeLink( wfMsgHtml("prevn", $limit),
+ array( 'dir' => 'prev', 'offset' => $latestShown, 'limit' => $usefulLimit ) );
+ $lasttext = $this->MakeLink( wfMsgHtml('histlast'),
+ array( 'limit' => $usefulLimit ) );
} else {
- $curlink = $cur;
+ $prevtext = wfMsgHtml("prevn", $limit);
+ $lasttext = wfMsgHtml('histlast');
}
- $arbitrary = "";
- if( $this->linesonpage > 1)
- $arbitrary = "<input type='checkbox' onclick='anysel($oid)' title='Select any two versions to diff them' />";
- $s .= "({$curlink}) (!OLDID!{$oid}!) $arbitrary . .";
- $M = wfMsg( "minoreditletter" );
- if ( $isminor ) {
- $s .= " <strong>{$M}</strong>";
+
+ wfDebug("earliestShown=$earliestShown earliestTimestamp=$earliestTimestamp\n");
+ if( $earliestShown > $earliestTimestamp ) {
+ $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');
}
- $s .= " <span id='ver$oid'>{$link} . . {$ul}</span>";
- if ( "" != $c && "*" != $c ) {
+ $firstlast = "($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 ) {
+ 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' ) );
- $c = $this->mSkin->formatcomment($c);
- $s .= " <em>(" . $c . ")</em>";
+ $items = $this->fetchRevisions(10, 0, 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 );
+ $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 .= "</li>\n";
- $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 );
}
+
}
?>
dépôts / lhc / web / wiklou.git / blobdiff