getContext() );
$this->historyPage = $historyPage;
$this->tagFilter = $tagFilter;
$this->getDateCond( $year, $month );
$this->conds = $conds;
$this->showTagEditUI = ChangeTags::showTagEditingUI( $this->getUser() );
}
// For hook compatibility...
function getArticle() {
return $this->historyPage->getArticle();
}
function getSqlComment() {
if ( $this->conds ) {
return 'history page filtered'; // potentially slow, see CR r58153
} else {
return 'history page unfiltered';
}
}
function getQueryInfo() {
$revQuery = Revision::getQueryInfo( [ 'user' ] );
$queryInfo = [
'tables' => $revQuery['tables'],
'fields' => $revQuery['fields'],
'conds' => array_merge(
[ 'rev_page' => $this->getWikiPage()->getId() ],
$this->conds ),
'options' => [ 'USE INDEX' => [ 'revision' => 'page_timestamp' ] ],
'join_conds' => $revQuery['joins'],
];
ChangeTags::modifyDisplayQuery(
$queryInfo['tables'],
$queryInfo['fields'],
$queryInfo['conds'],
$queryInfo['join_conds'],
$queryInfo['options'],
$this->tagFilter
);
// Avoid PHP 7.1 warning of passing $this by reference
$historyPager = $this;
Hooks::run( 'PageHistoryPager::getQueryInfo', [ &$historyPager, &$queryInfo ] );
return $queryInfo;
}
function getIndexField() {
return 'rev_timestamp';
}
/**
* @param stdClass $row
* @return string
*/
function formatRow( $row ) {
if ( $this->lastRow ) {
$latest = ( $this->counter == 1 && $this->mIsFirst );
$firstInList = $this->counter == 1;
$this->counter++;
$notifTimestamp = $this->getConfig()->get( 'ShowUpdatedMarker' )
? $this->getTitle()->getNotificationTimestamp( $this->getUser() )
: false;
$s = $this->historyLine(
$this->lastRow, $row, $notifTimestamp, $latest, $firstInList );
} else {
$s = '';
}
$this->lastRow = $row;
return $s;
}
protected function doBatchLookups() {
if ( !Hooks::run( 'PageHistoryPager::doBatchLookups', [ $this, $this->mResult ] ) ) {
return;
}
# Do a link batch query
$this->mResult->seek( 0 );
$batch = new LinkBatch();
$revIds = [];
foreach ( $this->mResult as $row ) {
if ( $row->rev_parent_id ) {
$revIds[] = $row->rev_parent_id;
}
if ( $row->user_name !== null ) {
$batch->add( NS_USER, $row->user_name );
$batch->add( NS_USER_TALK, $row->user_name );
} else { # for anons or usernames of imported revisions
$batch->add( NS_USER, $row->rev_user_text );
$batch->add( NS_USER_TALK, $row->rev_user_text );
}
}
$this->parentLens = Revision::getParentLengths( $this->mDb, $revIds );
$batch->execute();
$this->mResult->seek( 0 );
}
/**
* Creates begin of history list with a submit button
*
* @return string HTML output
*/
protected function getStartBody() {
$this->lastRow = false;
$this->counter = 1;
$this->oldIdChecked = 0;
$this->getOutput()->wrapWikiMsg( "
\n$1\n
", 'histlegend' );
$s = Html::openElement( 'form', [ 'action' => wfScript(),
'id' => 'mw-history-compare' ] ) . "\n";
$s .= Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) . "\n";
$s .= Html::hidden( 'action', 'historysubmit' ) . "\n";
$s .= Html::hidden( 'type', 'revision' ) . "\n";
// Button container stored in $this->buttons for re-use in getEndBody()
$this->buttons = '';
$className = 'historysubmit mw-history-compareselectedversions-button';
$attrs = [ 'class' => $className ]
+ Linker::tooltipAndAccesskeyAttribs( 'compareselectedversions' );
$this->buttons .= $this->submitButton( $this->msg( 'compareselectedversions' )->text(),
$attrs
) . "\n";
$user = $this->getUser();
$actionButtons = '';
if ( $user->isAllowed( 'deleterevision' ) ) {
$actionButtons .= $this->getRevisionButton( 'revisiondelete', 'showhideselectedversions' );
}
if ( $this->showTagEditUI ) {
$actionButtons .= $this->getRevisionButton( 'editchangetags', 'history-edit-tags' );
}
if ( $actionButtons ) {
$this->buttons .= Xml::tags( 'div', [ 'class' =>
'mw-history-revisionactions' ], $actionButtons );
}
if ( $user->isAllowed( 'deleterevision' ) || $this->showTagEditUI ) {
$this->buttons .= ( new ListToggle( $this->getOutput() ) )->getHTML();
}
$this->buttons .= '
';
$s .= $this->buttons;
$s .= '' . "\n";
return $s;
}
private function getRevisionButton( $name, $msg ) {
$this->preventClickjacking();
# Note T22966,
\n";
# Add second buttons only if there is more than one rev
if ( $this->getNumRows() > 2 ) {
$s .= $this->buttons;
}
$s .= '';
return $s;
}
/**
* Creates a submit button
*
* @param string $message Text of the submit button, will be escaped
* @param array $attributes
* @return string HTML output for the submit button
*/
function submitButton( $message, $attributes = [] ) {
# Disable submit button if history has 1 revision only
if ( $this->getNumRows() > 1 ) {
return Html::submitButton( $message, $attributes );
} else {
return '';
}
}
/**
* Returns a row from the history printout.
*
* @todo document some more, and maybe clean up the code (some params redundant?)
*
* @param stdClass $row The database row corresponding to the previous line.
* @param mixed $next The database row corresponding to the next line
* (chronologically previous)
* @param bool|string $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, $notificationtimestamp = false,
$latest = false, $firstInList = false ) {
$rev = new Revision( $row, 0, $this->getTitle() );
if ( is_object( $next ) ) {
$prevRev = new Revision( $next, 0, $this->getTitle() );
} else {
$prevRev = null;
}
$curlink = $this->curLink( $rev, $latest );
$lastlink = $this->lastLink( $rev, $next );
$curLastlinks = Html::rawElement( 'span', [], $curlink ) .
Html::rawElement( 'span', [], $lastlink );
$histLinks = Html::rawElement(
'span',
[ 'class' => 'mw-history-histlinks mw-changeslist-links' ],
$curLastlinks
);
$diffButtons = $this->diffButtons( $rev, $firstInList );
$s = $histLinks . $diffButtons;
$link = $this->revLink( $rev );
$classes = [];
$del = '';
$user = $this->getUser();
$canRevDelete = $user->isAllowed( 'deleterevision' );
// Show checkboxes for each revision, to allow for revision deletion and
// change tags
if ( $canRevDelete || $this->showTagEditUI ) {
$this->preventClickjacking();
// If revision was hidden from sysops and we don't need the checkbox
// for anything else, disable it
if ( !$this->showTagEditUI && !$rev->userCan( Revision::DELETED_RESTRICTED, $user ) ) {
$del = Xml::check( 'deleterevisions', false, [ 'disabled' => 'disabled' ] );
// Otherwise, enable the checkbox...
} else {
$del = Xml::check( 'showhiderevisions', false,
[ 'name' => 'ids[' . $rev->getId() . ']' ] );
}
// User can only view deleted revisions...
} elseif ( $rev->getVisibility() && $user->isAllowed( 'deletedhistory' ) ) {
// If revision was hidden from sysops, disable the link
if ( !$rev->userCan( Revision::DELETED_RESTRICTED, $user ) ) {
$del = Linker::revDeleteLinkDisabled( false );
// Otherwise, show the link...
} else {
$query = [ 'type' => 'revision',
'target' => $this->getTitle()->getPrefixedDBkey(), 'ids' => $rev->getId() ];
$del .= Linker::revDeleteLink( $query,
$rev->isDeleted( Revision::DELETED_RESTRICTED ), false );
}
}
if ( $del ) {
$s .= " $del ";
}
$lang = $this->getLanguage();
$dirmark = $lang->getDirMark();
$s .= " $link";
$s .= $dirmark;
$s .= " " .
Linker::revUserTools( $rev, true, false ) . "";
$s .= $dirmark;
if ( $rev->isMinor() ) {
$s .= ' ' . ChangesList::flag( 'minor', $this->getContext() );
}
# Sometimes rev_len isn't populated
if ( $rev->getSize() !== null ) {
# Size is always public data
$prevSize = $this->parentLens[$row->rev_parent_id] ?? 0;
$sDiff = ChangesList::showCharacterDifference( $prevSize, $rev->getSize() );
$fSize = Linker::formatRevisionSize( $rev->getSize(), false );
$s .= ' ' . "$fSize $sDiff";
}
# Text following the character difference is added just before running hooks
$s2 = Linker::revComment( $rev, false, true, false );
if ( $notificationtimestamp && ( $row->rev_timestamp >= $notificationtimestamp ) ) {
$s2 .= ' ' . $this->msg( 'updatedmarker' )->escaped() . '';
$classes[] = 'mw-history-line-updated';
}
$tools = [];
# Rollback and undo links
if ( $prevRev && $this->getTitle()->quickUserCan( 'edit', $user ) ) {
if ( $latest && $this->getTitle()->quickUserCan( 'rollback', $user ) ) {
// Get a rollback link without the brackets
$rollbackLink = Linker::generateRollback(
$rev,
$this->getContext(),
[ 'verify', 'noBrackets' ]
);
if ( $rollbackLink ) {
$this->preventClickjacking();
$tools[] = $rollbackLink;
}
}
if ( !$rev->isDeleted( Revision::DELETED_TEXT )
&& !$prevRev->isDeleted( Revision::DELETED_TEXT )
) {
# Create undo tooltip for the first (=latest) line only
$undoTooltip = $latest
? [ 'title' => $this->msg( 'tooltip-undo' )->text() ]
: [];
$undolink = MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink(
$this->getTitle(),
$this->msg( 'editundo' )->text(),
$undoTooltip,
[
'action' => 'edit',
'undoafter' => $prevRev->getId(),
'undo' => $rev->getId()
]
);
$tools[] = "{$undolink}";
}
}
// Allow extension to add their own links here
Hooks::run( 'HistoryRevisionTools', [ $rev, &$tools, $prevRev, $user ] );
if ( $tools ) {
$s2 .= ' ' . Html::openElement( 'span', [ 'class' => 'mw-changeslist-links' ] );
foreach ( $tools as $tool ) {
$s2 .= Html::rawElement( 'span', [], $tool );
}
$s2 .= Html::closeElement( 'span' );
}
# Tags
list( $tagSummary, $newClasses ) = ChangeTags::formatSummaryRow(
$row->ts_tags,
'history',
$this->getContext()
);
$classes = array_merge( $classes, $newClasses );
if ( $tagSummary !== '' ) {
$s2 .= " $tagSummary";
}
# Include separator between character difference and following text
if ( $s2 !== '' ) {
$s .= ' ' . $s2;
}
$attribs = [ 'data-mw-revid' => $rev->getId() ];
Hooks::run( 'PageHistoryLineEnding', [ $this, &$row, &$s, &$classes, &$attribs ] );
$attribs = array_filter( $attribs,
[ Sanitizer::class, 'isReservedDataAttribute' ],
ARRAY_FILTER_USE_KEY
);
if ( $classes ) {
$attribs['class'] = implode( ' ', $classes );
}
return Xml::tags( 'li', $attribs, $s ) . "\n";
}
/**
* Create a link to view this revision of the page
*
* @param Revision $rev
* @return string
*/
function revLink( $rev ) {
$date = $this->getLanguage()->userTimeAndDate( $rev->getTimestamp(), $this->getUser() );
if ( $rev->userCan( Revision::DELETED_TEXT, $this->getUser() ) ) {
$link = MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink(
$this->getTitle(),
$date,
[ 'class' => 'mw-changeslist-date' ],
[ 'oldid' => $rev->getId() ]
);
} else {
$link = htmlspecialchars( $date );
}
if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
$link = "$link";
}
return $link;
}
/**
* Create a diff-to-current link for this revision for this page
*
* @param Revision $rev
* @param bool $latest This is the latest revision of the page?
* @return string
*/
function curLink( $rev, $latest ) {
$cur = $this->historyPage->message['cur'];
if ( $latest || !$rev->userCan( Revision::DELETED_TEXT, $this->getUser() ) ) {
return $cur;
} else {
return MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink(
$this->getTitle(),
new HtmlArmor( $cur ),
[],
[
'diff' => $this->getWikiPage()->getLatest(),
'oldid' => $rev->getId()
]
);
}
}
/**
* Create a diff-to-previous link for this revision for this page.
*
* @param Revision $prevRev The revision being displayed
* @param stdClass|string|null $next The next revision in list (that is
* the previous one in chronological order).
* May either be a row, "unknown" or null.
* @return string
*/
function lastLink( $prevRev, $next ) {
$last = $this->historyPage->message['last'];
if ( $next === null ) {
# Probably no next row
return $last;
}
$linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
if ( $next === 'unknown' ) {
# Next row probably exists but is unknown, use an oldid=prev link
return $linkRenderer->makeKnownLink(
$this->getTitle(),
new HtmlArmor( $last ),
[],
[
'diff' => $prevRev->getId(),
'oldid' => 'prev'
]
);
}
$nextRev = new Revision( $next, 0, $this->getTitle() );
if ( !$prevRev->userCan( Revision::DELETED_TEXT, $this->getUser() )
|| !$nextRev->userCan( Revision::DELETED_TEXT, $this->getUser() )
) {
return $last;
}
return $linkRenderer->makeKnownLink(
$this->getTitle(),
new HtmlArmor( $last ),
[],
[
'diff' => $prevRev->getId(),
'oldid' => $next->rev_id
]
);
}
/**
* Create radio buttons for page history
*
* @param Revision $rev
* @param bool $firstInList Is this version the first one?
*
* @return string HTML output for the radio buttons
*/
function diffButtons( $rev, $firstInList ) {
if ( $this->getNumRows() > 1 ) {
$id = $rev->getId();
$radio = [ 'type' => 'radio', 'value' => $id ];
/** @todo Move title texts to javascript */
if ( $firstInList ) {
$first = Xml::element( 'input',
array_merge( $radio, [
'style' => 'visibility:hidden',
'name' => 'oldid',
'id' => 'mw-oldid-null' ] )
);
$checkmark = [ 'checked' => 'checked' ];
} else {
# Check visibility of old revisions
if ( !$rev->userCan( Revision::DELETED_TEXT, $this->getUser() ) ) {
$radio['disabled'] = 'disabled';
$checkmark = []; // We will check the next possible one
} elseif ( !$this->oldIdChecked ) {
$checkmark = [ 'checked' => 'checked' ];
$this->oldIdChecked = $id;
} else {
$checkmark = [];
}
$first = Xml::element( 'input',
array_merge( $radio, $checkmark, [
'name' => 'oldid',
'id' => "mw-oldid-$id" ] ) );
$checkmark = [];
}
$second = Xml::element( 'input',
array_merge( $radio, $checkmark, [
'name' => 'diff',
'id' => "mw-diff-$id" ] ) );
return $first . $second;
} else {
return '';
}
}
/**
* This is called if a write operation is possible from the generated HTML
* @param bool $enable
*/
function preventClickjacking( $enable = true ) {
$this->preventClickjacking = $enable;
}
/**
* Get the "prevent clickjacking" flag
* @return bool
*/
function getPreventClickjacking() {
return $this->preventClickjacking;
}
}