getContext();
} else {
if ( ! $obj instanceof IContextSource ) {
throw new MWException( 'EnhancedChangesList must be constructed with a '
. 'context source or skin.' );
}
$context = $obj;
}
parent::__construct( $context );
// message is set by the parent ChangesList class
$this->cacheEntryFactory = new RCCacheEntryFactory(
$context,
$this->message
);
}
/**
* Add the JavaScript file for enhanced changeslist
*
* @param ResultWrapper $res
* @return string
*/
public function beginRecentChangesList( $res ) {
$this->rc_cache = array();
$this->rcMoveIndex = 0;
$this->rcCacheIndex = 0;
$this->lastdate = '';
$this->rclistOpen = false;
$this->getOutput()->addModuleStyles( array(
'mediawiki.special.changeslist',
'mediawiki.special.changeslist.enhanced',
) );
$this->getOutput()->addModules( array(
'jquery.makeCollapsible',
'mediawiki.icon',
) );
wfRunHooks( 'EnhancedChangesListBegin', array( $this, $res ) );
return '
';
}
/**
* Format a line for enhanced recentchange (aka with javascript and block of lines).
*
* @param RecentChange $baseRC
* @param bool $watched
*
* @return string
*/
public function recentChangesLine( &$baseRC, $watched = false ) {
wfProfileIn( __METHOD__ );
# If it's a new day, add the headline and flush the cache
$date = $this->getLanguage()->userDate(
$baseRC->mAttribs['rc_timestamp'],
$this->getUser()
);
$ret = '';
if ( $date != $this->lastdate ) {
# Process current cache
$ret = $this->recentChangesBlock();
$this->rc_cache = array();
$ret .= Xml::element( 'h4', null, $date ) . "\n";
$this->lastdate = $date;
}
$cacheEntry = $this->cacheEntryFactory->newFromRecentChange( $baseRC, $watched );
# Put accumulated information into the cache, for later display
# Page moves go on their own line
$title = $cacheEntry->getTitle();
$secureName = $title->getPrefixedDBkey();
$type = $cacheEntry->mAttribs['rc_type'];
if ( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
# Use an @ character to prevent collision with page names
$this->rc_cache['@@' . ( $this->rcMoveIndex++ )] = array( $cacheEntry );
} else {
# Logs are grouped by type
if ( $type == RC_LOG ) {
$secureName = SpecialPage::getTitleFor(
'Log',
$cacheEntry->mAttribs['rc_log_type']
)->getPrefixedDBkey();
}
if ( !isset( $this->rc_cache[$secureName] ) ) {
$this->rc_cache[$secureName] = array();
}
array_push( $this->rc_cache[$secureName], $cacheEntry );
}
wfProfileOut( __METHOD__ );
return $ret;
}
/**
* Enhanced RC group
* @param RCCacheEntry[] $block
* @return string
*/
protected function recentChangesBlockGroup( $block ) {
global $wgRCShowChangedSize;
wfProfileIn( __METHOD__ );
# Add the namespace and title of the block as part of the class
$classes = array( 'mw-collapsible', 'mw-collapsed', 'mw-enhanced-rc' );
if ( $block[0]->mAttribs['rc_log_type'] ) {
# Log entry
$classes[] = Sanitizer::escapeClass( 'mw-changeslist-log-'
. $block[0]->mAttribs['rc_log_type'] );
} else {
$classes[] = Sanitizer::escapeClass( 'mw-changeslist-ns'
. $block[0]->mAttribs['rc_namespace'] . '-' . $block[0]->mAttribs['rc_title'] );
}
$classes[] = $block[0]->watched && $block[0]->mAttribs['rc_timestamp'] >= $block[0]->watched
? 'mw-changeslist-line-watched' : 'mw-changeslist-line-not-watched';
$r = Html::openElement( 'table', array( 'class' => $classes ) ) .
Html::openElement( 'tr' );
# Collate list of users
$userlinks = array();
# Other properties
$unpatrolled = false;
$isnew = false;
$allBots = true;
$allMinors = true;
$curId = $currentRevision = 0;
# Some catalyst variables...
$namehidden = true;
$allLogs = true;
$oldid = '';
foreach ( $block as $rcObj ) {
$oldid = $rcObj->mAttribs['rc_last_oldid'];
if ( $rcObj->mAttribs['rc_type'] == RC_NEW ) {
$isnew = true;
}
// If all log actions to this page were hidden, then don't
// give the name of the affected page for this block!
if ( !$this->isDeleted( $rcObj, LogPage::DELETED_ACTION ) ) {
$namehidden = false;
}
$u = $rcObj->userlink;
if ( !isset( $userlinks[$u] ) ) {
$userlinks[$u] = 0;
}
if ( $rcObj->unpatrolled ) {
$unpatrolled = true;
}
if ( $rcObj->mAttribs['rc_type'] != RC_LOG ) {
$allLogs = false;
}
# Get the latest entry with a page_id and oldid
# since logs may not have these.
if ( !$curId && $rcObj->mAttribs['rc_cur_id'] ) {
$curId = $rcObj->mAttribs['rc_cur_id'];
}
if ( !$currentRevision && $rcObj->mAttribs['rc_this_oldid'] ) {
$currentRevision = $rcObj->mAttribs['rc_this_oldid'];
}
if ( !$rcObj->mAttribs['rc_bot'] ) {
$allBots = false;
}
if ( !$rcObj->mAttribs['rc_minor'] ) {
$allMinors = false;
}
$userlinks[$u]++;
}
# Sort the list and convert to text
krsort( $userlinks );
asort( $userlinks );
$users = array();
foreach ( $userlinks as $userlink => $count ) {
$text = $userlink;
$text .= $this->getLanguage()->getDirMark();
if ( $count > 1 ) {
// @todo FIXME: Hardcoded '×'. Should be a message.
$formattedCount = $this->getLanguage()->formatNum( $count ) . '×';
$text .= ' ' . $this->msg( 'parentheses' )->rawParams( $formattedCount )->escaped();
}
array_push( $users, $text );
}
$users = '
'
. $this->msg( 'brackets' )->rawParams(
implode( $this->message['semicolon-separator'], $users )
)->escaped() . '';
$tl = '
';
$r .= "
$tl | ";
# Main line
$r .= '
' . $this->recentChangesFlags( array(
'newpage' => $isnew, # show, when one have this flag
'minor' => $allMinors, # show only, when all have this flag
'unpatrolled' => $unpatrolled, # show, when one have this flag
'bot' => $allBots, # show only, when all have this flag
) );
# Timestamp
$r .= ' ' . $block[0]->timestamp . ' | ';
# Article link
if ( $namehidden ) {
$r .= ' ' .
$this->msg( 'rev-deleted-event' )->escaped() . '';
} elseif ( $allLogs ) {
$r .= $this->maybeWatchedLink( $block[0]->link, $block[0]->watched );
} else {
$this->insertArticleLink( $r, $block[0], $block[0]->unpatrolled, $block[0]->watched );
}
$r .= $this->getLanguage()->getDirMark();
$queryParams['curid'] = $curId;
# Changes message
static $nchanges = array();
static $sinceLastVisitMsg = array();
$n = count( $block );
if ( !isset( $nchanges[$n] ) ) {
$nchanges[$n] = $this->msg( 'nchanges' )->numParams( $n )->escaped();
}
$sinceLast = 0;
$unvisitedOldid = null;
/** @var $rcObj RCCacheEntry */
foreach ( $block as $rcObj ) {
// Same logic as below inside main foreach
if ( $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched ) {
$sinceLast++;
$unvisitedOldid = $rcObj->mAttribs['rc_last_oldid'];
}
}
if ( !isset( $sinceLastVisitMsg[$sinceLast] ) ) {
$sinceLastVisitMsg[$sinceLast] =
$this->msg( 'enhancedrc-since-last-visit' )->numParams( $sinceLast )->escaped();
}
# Total change link
$r .= ' ';
$logtext = '';
/** @var $block0 RecentChange */
$block0 = $block[0];
if ( !$allLogs ) {
if ( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) {
$logtext .= $nchanges[$n];
} elseif ( $isnew ) {
$logtext .= $nchanges[$n];
} else {
$logtext .= Linker::link(
$block0->getTitle(),
$nchanges[$n],
array(),
$queryParams + array(
'diff' => $currentRevision,
'oldid' => $oldid,
),
array( 'known', 'noclasses' )
);
if ( $sinceLast > 0 && $sinceLast < $n ) {
$logtext .= $this->message['pipe-separator'] . Linker::link(
$block0->getTitle(),
$sinceLastVisitMsg[$sinceLast],
array(),
$queryParams + array(
'diff' => $currentRevision,
'oldid' => $unvisitedOldid,
),
array( 'known', 'noclasses' )
);
}
}
}
# History
if ( $allLogs ) {
// don't show history link for logs
} elseif ( $namehidden || !$block0->getTitle()->exists() ) {
$logtext .= $this->message['pipe-separator'] . $this->message['enhancedrc-history'];
} else {
$params = $queryParams;
$params['action'] = 'history';
$logtext .= $this->message['pipe-separator'] .
Linker::linkKnown(
$block0->getTitle(),
$this->message['enhancedrc-history'],
array(),
$params
);
}
if ( $logtext !== '' ) {
$r .= $this->msg( 'parentheses' )->rawParams( $logtext )->escaped();
}
$r .= ' . . ';
# Character difference (does not apply if only log items)
if ( $wgRCShowChangedSize && !$allLogs ) {
$last = 0;
$first = count( $block ) - 1;
# Some events (like logs) have an "empty" size, so we need to skip those...
while ( $last < $first && $block[$last]->mAttribs['rc_new_len'] === null ) {
$last++;
}
while ( $first > $last && $block[$first]->mAttribs['rc_old_len'] === null ) {
$first--;
}
# Get net change
$chardiff = $this->formatCharacterDifference( $block[$first], $block[$last] );
if ( $chardiff == '' ) {
$r .= ' ';
} else {
$r .= ' ' . $chardiff . ' . . ';
}
}
$r .= $users;
$r .= $this->numberofWatchingusers( $block0->numberofWatchingusers );
$r .= ' | ';
# Sub-entries
foreach ( $block as $rcObj ) {
# Classes to apply -- TODO implement
$classes = array();
$type = $rcObj->mAttribs['rc_type'];
$trClass = $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched
? ' class="mw-enhanced-watched"' : '';
$r .= '
| ';
$r .= $this->recentChangesFlags( array(
'newpage' => $type == RC_NEW,
'minor' => $rcObj->mAttribs['rc_minor'],
'unpatrolled' => $rcObj->unpatrolled,
'bot' => $rcObj->mAttribs['rc_bot'],
) );
$r .= ' | ';
$params = $queryParams;
if ( $rcObj->mAttribs['rc_this_oldid'] != 0 ) {
$params['oldid'] = $rcObj->mAttribs['rc_this_oldid'];
}
# Log timestamp
if ( $type == RC_LOG ) {
$link = $rcObj->timestamp;
# Revision link
} elseif ( !ChangesList::userCan( $rcObj, Revision::DELETED_TEXT, $this->getUser() ) ) {
$link = '' . $rcObj->timestamp . ' ';
} else {
$link = Linker::linkKnown(
$rcObj->getTitle(),
$rcObj->timestamp,
array(),
$params
);
if ( $this->isDeleted( $rcObj, Revision::DELETED_TEXT ) ) {
$link = '' . $link . ' ';
}
}
$r .= $link . '';
if ( !$type == RC_LOG || $type == RC_NEW ) {
$r .= ' ' . $this->msg( 'parentheses' )->rawParams(
$rcObj->curlink .
$this->message['pipe-separator'] .
$rcObj->lastlink
)->escaped();
}
$r .= ' . . ';
# Character diff
if ( $wgRCShowChangedSize ) {
$cd = $this->formatCharacterDifference( $rcObj );
if ( $cd !== '' ) {
$r .= $cd . ' . . ';
}
}
if ( $rcObj->mAttribs['rc_type'] == RC_LOG ) {
$r .= $this->insertLogEntry( $rcObj );
} else {
# User links
$r .= $rcObj->userlink;
$r .= $rcObj->usertalklink;
$r .= $this->insertComment( $rcObj );
}
# Rollback
$this->insertRollback( $r, $rcObj );
# Tags
$this->insertTags( $r, $rcObj, $classes );
$r .= " |
\n";
}
$r .= "\n";
$this->rcCacheIndex++;
wfProfileOut( __METHOD__ );
return $r;
}
/**
* Generate HTML for an arrow or placeholder graphic
* @param string $dir One of '', 'd', 'l', 'r'
* @param string $alt
* @param string $title
* @return string HTML "
![]()
" tag
*/
protected function arrow( $dir, $alt = '', $title = '' ) {
global $wgStylePath;
$encUrl = htmlspecialchars( $wgStylePath . '/common/images/Arr_' . $dir . '.png' );
$encAlt = htmlspecialchars( $alt );
$encTitle = htmlspecialchars( $title );
return "
![\"$encTitle\" \"$encAlt\"](\"$encUrl\")
";
}
/**
* Generate HTML for a right- or left-facing arrow,
* depending on language direction.
* @return string HTML "
![]()
" tag
*/
protected function sideArrow() {
$dir = $this->getLanguage()->isRTL() ? 'l' : 'r';
return $this->arrow( $dir, '+', $this->msg( 'rc-enhanced-expand' )->text() );
}
/**
* Generate HTML for a down-facing arrow
* depending on language direction.
* @return string HTML "
![]()
" tag
*/
protected function downArrow() {
return $this->arrow( 'd', '-', $this->msg( 'rc-enhanced-hide' )->text() );
}
/**
* Generate HTML for a spacer image
* @return string HTML "
![]()
" tag
*/
protected function spacerArrow() {
return $this->arrow( '', codepointToUtf8( 0xa0 ) ); // non-breaking space
}
/**
* Enhanced RC ungrouped line.
*
* @param RecentChange|RCCacheEntry $rcObj
* @return string A HTML formatted line (generated using $r)
*/
protected function recentChangesBlockLine( $rcObj ) {
global $wgRCShowChangedSize;
wfProfileIn( __METHOD__ );
$query['curid'] = $rcObj->mAttribs['rc_cur_id'];
$type = $rcObj->mAttribs['rc_type'];
$logType = $rcObj->mAttribs['rc_log_type'];
$classes = array( 'mw-enhanced-rc' );
if ( $logType ) {
# Log entry
$classes[] = Sanitizer::escapeClass( 'mw-changeslist-log-' . $logType );
} else {
$classes[] = Sanitizer::escapeClass( 'mw-changeslist-ns' .
$rcObj->mAttribs['rc_namespace'] . '-' . $rcObj->mAttribs['rc_title'] );
}
$classes[] = $rcObj->watched && $rcObj->mAttribs['rc_timestamp'] >= $rcObj->watched
? 'mw-changeslist-line-watched' : 'mw-changeslist-line-not-watched';
$r = Html::openElement( 'table', array( 'class' => $classes ) ) .
Html::openElement( 'tr' );
$r .= '
';
# Flag and Timestamp
if ( $type == RC_MOVE || $type == RC_MOVE_OVER_REDIRECT ) {
$r .= $this->recentChangesFlags( array() ); // no flags, but need the placeholders
} else {
$r .= $this->recentChangesFlags( array(
'newpage' => $type == RC_NEW,
'minor' => $rcObj->mAttribs['rc_minor'],
'unpatrolled' => $rcObj->unpatrolled,
'bot' => $rcObj->mAttribs['rc_bot'],
) );
}
$r .= ' ' . $rcObj->timestamp . ' | ';
# Article or log link
if ( $logType ) {
$logPage = new LogPage( $logType );
$logTitle = SpecialPage::getTitleFor( 'Log', $logType );
$logName = $logPage->getName()->escaped();
$r .= $this->msg( 'parentheses' )
->rawParams( Linker::linkKnown( $logTitle, $logName ) )->escaped();
} else {
$this->insertArticleLink( $r, $rcObj, $rcObj->unpatrolled, $rcObj->watched );
}
# Diff and hist links
if ( $type != RC_LOG ) {
$query['action'] = 'history';
$r .= ' ' . $this->msg( 'parentheses' )
->rawParams( $rcObj->difflink . $this->message['pipe-separator'] . Linker::linkKnown(
$rcObj->getTitle(),
$this->message['hist'],
array(),
$query
) )->escaped();
}
$r .= ' . . ';
# Character diff
if ( $wgRCShowChangedSize ) {
$cd = $this->formatCharacterDifference( $rcObj );
if ( $cd !== '' ) {
$r .= $cd . ' . . ';
}
}
if ( $type == RC_LOG ) {
$r .= $this->insertLogEntry( $rcObj );
} else {
$r .= ' ' . $rcObj->userlink . $rcObj->usertalklink;
$r .= $this->insertComment( $rcObj );
$this->insertRollback( $r, $rcObj );
}
# Tags
$this->insertTags( $r, $rcObj, $classes );
# Show how many people are watching this if enabled
$r .= $this->numberofWatchingusers( $rcObj->numberofWatchingusers );
$r .= " | \n";
wfProfileOut( __METHOD__ );
return $r;
}
/**
* If enhanced RC is in use, this function takes the previously cached
* RC lines, arranges them, and outputs the HTML
*
* @return string
*/
protected function recentChangesBlock() {
if ( count( $this->rc_cache ) == 0 ) {
return '';
}
wfProfileIn( __METHOD__ );
$blockOut = '';
foreach ( $this->rc_cache as $block ) {
if ( count( $block ) < 2 ) {
$blockOut .= $this->recentChangesBlockLine( array_shift( $block ) );
} else {
$blockOut .= $this->recentChangesBlockGroup( $block );
}
}
wfProfileOut( __METHOD__ );
return '
' . $blockOut . '
';
}
/**
* Returns text for the end of RC
* If enhanced RC is in use, returns pretty much all the text
* @return string
*/
public function endRecentChangesList() {
return $this->recentChangesBlock() . '
';
}
}