* Page history
*
* Split off from Article.php and Skin.php, 2003-12-22
- * @package MediaWiki
*/
/**
* Construct it by passing in an Article, and call $h->history() to print the
* history.
*
- * @package MediaWiki
*/
-
class PageHistory {
const DIR_PREV = 0;
const DIR_NEXT = 1;
* @param Article $article
* @returns nothing
*/
- function PageHistory($article) {
+ function __construct($article) {
global $wgUser;
$this->mArticle =& $article;
$this->mTitle =& $article->mTitle;
$this->mNotificationTimestamp = NULL;
$this->mSkin = $wgUser->getSkin();
-
- $this->defaultLimit = 50;
}
/**
/*
* Setup page variables.
*/
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+ $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' );
- $logPage = Title::makeTitle( NS_SPECIAL, 'Log' );
+ $logPage = SpecialPage::getTitleFor( 'Log' );
$logLink = $this->mSkin->makeKnownLinkObj( $logPage, wfMsgHtml( 'viewpagelogs' ), 'page=' . $this->mTitle->getPrefixedUrl() );
-
- $subtitle = wfMsgHtml( 'revhistory' ) . '<br />' . $logLink;
- $wgOut->setSubtitle( $subtitle );
+ $wgOut->setSubtitle( $logLink );
$feedType = $wgRequest->getVal( 'feed' );
if( $feedType ) {
* Fail if article doesn't exist.
*/
if( !$this->mTitle->exists() ) {
- $wgOut->addWikiText( wfMsg( 'nohistory' ) );
+ $wgOut->addWikiMsg( '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.
+ * "go=first" means to jump to the last (earliest) history page.
+ * This is deprecated, it no longer appears in the user interface
*/
- $limit = $wgRequest->getInt('limit', $this->defaultLimit);
- if ( $limit <= 0 ) {
- $limit = $this->defaultLimit;
- } elseif ( $limit > 50000 ) {
- # Arbitrary maximum
- # Any more than this and we'll probably get an out of memory error
- $limit = 50000;
- }
-
- $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 = $this->getLastOffsetForPaging($this->mTitle->getArticleID(), $limit)) === NULL)
- break;
- $gourl = $wgTitle->getLocalURL("action=history&limit={$limit}&offset=".
- wfTimestamp(TS_MW, $lastid));
- break;
- }
-
- if (!is_null($gourl)) {
- $wgOut->redirect($gourl);
- return;
- }
+ if ( $wgRequest->getText("go") == 'first' ) {
+ $limit = $wgRequest->getInt( 'limit', 50 );
+ $wgOut->redirect( $wgTitle->getLocalURL( "action=history&limit={$limit}&dir=prev" ) );
+ 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, $direction);
+ wfRunHooks( 'PageHistoryBeforeList', array( &$this->mArticle ) );
- /*
- * 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.
+ /**
+ * Do the list
*/
- if (count($revisions) < $limit + 1)
- $this->linesonpage = count($revisions);
- else
- $this->linesonpage = count($revisions) - 1;
-
- /* Un-reverse revisions */
- if ($direction == PageHistory::DIR_PREV)
- $revisions = array_reverse($revisions);
-
- /*
- * Print the top navbar.
- */
- $s = $navbar;
- $s .= $this->beginHistoryList();
- $counter = 1;
-
- /*
- * Print each revision, excluding the one-past-the-end, if any.
- */
- foreach (array_slice($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++;
- }
-
- /*
- * End navbar.
- */
- $s .= $this->endHistoryList();
- $s .= $navbar;
-
- $wgOut->addHTML( $s );
+ $pager = new PageHistoryPager( $this );
+ $this->linesonpage = $pager->getNumRows();
+ $wgOut->addHTML(
+ $pager->getNavigationBar() .
+ $this->beginHistoryList() .
+ $pager->getBody() .
+ $this->endHistoryList() .
+ $pager->getNavigationBar()
+ );
wfProfileOut( $fname );
}
- /** @todo document */
+ /**
+ * Creates begin of history list with a submit button
+ *
+ * @return string HTML output
+ */
function beginHistoryList() {
global $wgTitle;
$this->lastdate = '';
return $s;
}
- /** @todo document */
+ /**
+ * Creates end of history list with a submit button
+ *
+ * @return string HTML output
+ */
function endHistoryList() {
$s = '</ul>';
$s .= $this->submitButton( array( 'id' => 'historysubmit' ) );
return $s;
}
- /** @todo document */
+ /**
+ * Creates a submit button
+ *
+ * @param array $bits optional CSS ID
+ * @return string HTML output for the submit button
+ */
function submitButton( $bits = array() ) {
- return ( $this->linesonpage > 0 )
- ? wfElement( 'input', array_merge( $bits,
- array(
+ # Disable submit button if history has 1 revision only
+ if ( $this->linesonpage > 1 ) {
+ return Xml::submitButton( wfMsg( 'compareselectedversions' ),
+ $bits + array(
'class' => 'historysubmit',
- 'type' => 'submit',
'accesskey' => wfMsg( 'accesskey-compareselectedversions' ),
'title' => wfMsg( 'tooltip-compareselectedversions' ),
- 'value' => wfMsg( 'compareselectedversions' ),
- ) ) )
- : '';
+ )
+ );
+ } else {
+ return '';
+ }
}
- /** @todo document */
+ /**
+ * 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;
+ global $wgUser, $wgLang;
$rev = new Revision( $row );
$rev->setTitle( $this->mTitle );
$s .= "($curlink) ($lastlink) $arbitrary";
if( $wgUser->isAllowed( 'deleterevision' ) ) {
- $revdel = Title::makeTitle( NS_SPECIAL, 'Revisiondelete' );
+ $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() ) );
}
- $s .= "(<small>$del</small>) ";
+ $s .= " (<small>$del</small>) ";
}
- $s .= " $link <span class='history-user'>$user</span>";
+ $s .= " $link";
+ #getUser is safe, but this avoids making the invalid untargeted contribs links
+ if( $row->rev_deleted & Revision::DELETED_USER ) {
+ $user = '<span class="history-deleted">' . wfMsg('rev-deleted-user') . '</span>';
+ }
+ $s .= " <span class='history-user'>$user</span>";
if( $row->rev_minor_edit ) {
$s .= ' ' . wfElement( 'span', array( 'class' => 'minor' ), wfMsg( 'minoreditletter') );
}
- $s .= $this->mSkin->revComment( $rev );
+ if ( !is_null( $size = $rev->getSize() ) ) {
+ if ( $size == 0 )
+ $stxt = wfMsgHtml( 'historyempty' );
+ else
+ $stxt = wfMsgExt( 'historysize', array( 'parsemag' ), $wgLang->formatNum( $size ) );
+ $s .= " <span class=\"history-size\">$stxt</span>";
+ }
+
+ #getComment is safe, but this is better formatted
+ if( $rev->isDeleted( Revision::DELETED_COMMENT ) ) {
+ $s .= " <span class=\"history-deleted\"><span class=\"comment\">" .
+ wfMsgHtml( 'rev-deleted-comment' ) . "</span></span>";
+ } else {
+ $s .= $this->mSkin->revComment( $rev );
+ }
+
if ($notificationtimestamp && ($row->rev_timestamp >= $notificationtimestamp)) {
$s .= ' <span class="updatedmarker">' . wfMsgHtml( 'updatedmarker' ) . '</span>';
}
+ #add blurb about text having been deleted
if( $row->rev_deleted & Revision::DELETED_TEXT ) {
$s .= ' ' . wfMsgHtml( 'deletedrev' );
}
+
+ $tools = array();
+
+ if ( !is_null( $next ) && is_object( $next ) ) {
+ if( !$this->mTitle->getUserPermissionsErrors( 'rollback', $wgUser )
+ && !$this->mTitle->getUserPermissionsErrors( 'edit', $wgUser )
+ && $latest ) {
+ $tools[] = '<span class="mw-rollback-link">'
+ . $this->mSkin->buildRollbackLink( $rev )
+ . '</span>';
+ }
+
+ if( $this->mTitle->quickUserCan( 'edit' ) ) {
+ $undolink = $this->mSkin->makeKnownLinkObj(
+ $this->mTitle,
+ wfMsgHtml( 'editundo' ),
+ 'action=edit&undoafter=' . $next->rev_id . '&undo=' . $rev->getId()
+ );
+ $tools[] = "<span class=\"mw-history-undo\">{$undolink}</span>";
+ }
+ }
+
+ if( $tools ) {
+ $s .= ' (' . implode( ' | ', $tools ) . ')';
+ }
+
+ wfRunHooks( 'PageHistoryLineEnding', array( &$row , &$s ) );
+
$s .= "</li>\n";
return $s;
/** @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" );
- }
+ 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 {
}
}
- /** @todo document */
+ /**
+ * 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) {
$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 ) ) {
/** @todo: move title texts to javascript */
if ( $firstInList ) {
- $first = wfElement( 'input', array_merge(
+ $first = Xml::element( 'input', array_merge(
$radio,
array(
'style' => 'visibility:hidden',
} else {
$checkmark = array();
}
- $first = wfElement( 'input', array_merge(
+ $first = Xml::element( 'input', array_merge(
$radio,
$checkmark,
array( 'name' => 'oldid' ) ) );
$checkmark = array();
}
- $second = wfElement( 'input', array_merge(
+ $second = Xml::element( 'input', array_merge(
$radio,
$checkmark,
array( 'name' => 'diff' ) ) );
}
}
- /** @todo document */
- function getLatestOffset( $id = null ) {
- if ( $id === null) $id = $this->mTitle->getArticleID();
- return $this->getExtremeOffset( $id, 'max' );
- }
-
- /** @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 ),
+ $db = wfGetDB(DB_SLAVE);
+ $this->mLatestId = $db->selectField( 'page',
+ "page_latest",
+ array( 'page_id' => $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
+ * 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 getDirection() {
- global $wgRequest;
- if ($wgRequest->getText("dir") == "prev")
- return PageHistory::DIR_PREV;
- else
- return PageHistory::DIR_NEXT;
- }
-
- /** @todo document */
function fetchRevisions($limit, $offset, $direction) {
$fname = 'PageHistory::fetchRevisions';
- $dbr =& wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_SLAVE );
if ($direction == PageHistory::DIR_PREV)
list($dirs, $oper) = array("ASC", ">=");
$res = $dbr->select(
'revision',
- array('rev_id', 'rev_page', 'rev_text_id', 'rev_user', 'rev_comment', 'rev_user_text',
- 'rev_timestamp', 'rev_minor_edit', 'rev_deleted'),
+ Revision::selectFields(),
array_merge(array("rev_page=$page_id"), $offsets),
$fname,
array('ORDER BY' => "rev_timestamp $dirs",
if ($wgUser->isAnon() || !$wgShowUpdatedMarker)
return $this->mNotificationTimestamp = false;
- $dbr =& wfGetDB(DB_SLAVE);
+ $dbr = wfGetDB(DB_SLAVE);
$this->mNotificationTimestamp = $dbr->selectField(
'watchlist',
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 == PageHistory::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);
- } else {
- $latestShown = null;
- $earliestShown = null;
- }
-
- /* 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 {
- $prevtext = wfMsgHtml("prevn", $limit);
- $lasttext = wfMsgHtml('histlast');
- }
-
- wfDebug("earliestShown=$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');
- }
-
- $firstlast = "($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.
function feed( $type ) {
require_once 'SpecialRecentchanges.php';
- global $wgFeedClasses;
+ global $wgFeed, $wgFeedClasses;
+
+ if ( !$wgFeed ) {
+ global $wgOut;
+ $wgOut->addWikiMsg( 'feed-unavailable' );
+ return;
+ }
+
if( !isset( $wgFeedClasses[$type] ) ) {
global $wgOut;
- $wgOut->addWikiText( wfMsg( 'feed-invalid' ) );
+ $wgOut->addWikiMsg( 'feed-invalid' );
return;
}
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;
+ }
+}
dépôts / lhc / web / wiklou.git / blobdiff