\n" );
if ( $count <= $limit - 1 ) {
$wgOut->addWikiMsg( 'linkstoimage', $count );
} else {
// More links than the limit. Add a link to [[Special:Whatlinkshere]]
$wgOut->addWikiMsg( 'linkstoimage-more',
$wgLang->formatNum( $limit ),
$this->mTitle->getPrefixedDBkey()
);
}
$wgOut->addHTML( Html::openElement( 'ul', array( 'class' => 'mw-imagepage-linkstoimage' ) ) . "\n" );
$sk = $wgUser->getSkin();
$count = 0;
$elements = array();
foreach ( $res as $s ) {
$count++;
if ( $count <= $limit ) {
// We have not yet reached the extra one that tells us there is more to fetch
$elements[] = $s;
}
}
// Sort the list by namespace:title
usort ( $elements, array( $this, 'compare' ) );
// Create links for every element
foreach( $elements as $element ) {
$link = $sk->linkKnown( Title::makeTitle( $element->page_namespace, $element->page_title ) );
$wgOut->addHTML( Html::rawElement(
'li',
array( 'id' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ),
$link
) . "\n"
);
};
$wgOut->addHTML( Html::closeElement( 'ul' ) . "\n" );
$res->free();
// Add a links to [[Special:Whatlinkshere]]
if ( $count > $limit ) {
$wgOut->addWikiMsg( 'morelinkstoimage', $this->mTitle->getPrefixedDBkey() );
}
$wgOut->addHTML( Html::closeElement( 'div' ) . "\n" );
}
protected function imageRedirects() {
global $wgUser, $wgOut, $wgLang;
$redirects = $this->getTitle()->getRedirectsHere( NS_FILE );
if ( count( $redirects ) == 0 ) return;
$wgOut->addHTML( "
\n" );
$wgOut->addWikiMsg( 'redirectstofile',
$wgLang->formatNum( count( $redirects ) )
);
$wgOut->addHTML( "
\n" );
$sk = $wgUser->getSkin();
foreach ( $redirects as $title ) {
$link = $sk->link(
$title,
null,
array(),
array( 'redirect' => 'no' ),
array( 'known', 'noclasses' )
);
$wgOut->addHTML( "- {$link}
\n" );
}
$wgOut->addHTML( "
\n" );
}
protected function imageDupes() {
global $wgOut, $wgUser, $wgLang;
$this->loadFile();
$dupes = $this->getDuplicates();
if ( count( $dupes ) == 0 ) return;
$wgOut->addHTML( "
\n" );
$wgOut->addWikiMsg( 'duplicatesoffile',
$wgLang->formatNum( count( $dupes ) ), $this->mTitle->getDBkey()
);
$wgOut->addHTML( "
\n" );
$sk = $wgUser->getSkin();
foreach ( $dupes as $file ) {
$fromSrc = '';
if ( $file->isLocal() ) {
$link = $sk->link(
$file->getTitle(),
null,
array(),
array(),
array( 'known', 'noclasses' )
);
} else {
$link = $sk->makeExternalLink( $file->getDescriptionUrl(),
$file->getTitle()->getPrefixedText() );
$fromSrc = wfMsg( 'shared-repo-from', $file->getRepo()->getDisplayName() );
}
$wgOut->addHTML( "- {$link} {$fromSrc}
\n" );
}
$wgOut->addHTML( "
\n" );
}
/**
* Delete the file, or an earlier version of it
*/
public function delete() {
global $wgUploadMaintenance;
if ( $wgUploadMaintenance && $this->mTitle && $this->mTitle->getNamespace() == NS_FILE ) {
global $wgOut;
$wgOut->wrapWikiMsg( "
\n$1\n
\n", array( 'filedelete-maintenance' ) );
return;
}
$this->loadFile();
if ( !$this->img->exists() || !$this->img->isLocal() || $this->img->getRedirected() ) {
// Standard article deletion
parent::delete();
return;
}
$deleter = new FileDeleteForm( $this->img );
$deleter->execute();
}
/**
* Revert the file to an earlier version
*/
public function revert() {
$this->loadFile();
$reverter = new FileRevertForm( $this->img );
$reverter->execute();
}
/**
* Override handling of action=purge
*/
public function doPurge() {
$this->loadFile();
if ( $this->img->exists() ) {
wfDebug( "ImagePage::doPurge purging " . $this->img->getName() . "\n" );
$update = new HTMLCacheUpdate( $this->mTitle, 'imagelinks' );
$update->doUpdate();
$this->img->upgradeRow();
$this->img->purgeCache();
} else {
wfDebug( "ImagePage::doPurge no image for " . $this->img->getName() . "; limiting purge to cache only\n" );
// even if the file supposedly doesn't exist, force any cached information
// to be updated (in case the cached information is wrong)
$this->img->purgeCache();
}
parent::doPurge();
}
/**
* Display an error with a wikitext description
*/
function showError( $description ) {
global $wgOut;
$wgOut->setPageTitle( wfMsg( "internalerror" ) );
$wgOut->setRobotPolicy( "noindex,nofollow" );
$wgOut->setArticleRelated( false );
$wgOut->enableClientCache( false );
$wgOut->addWikiText( $description );
}
/**
* Callback for usort() to do link sorts by (namespace, title)
* Function copied from Title::compare()
*
* @param $a object page to compare with
* @param $b object page to compare with
* @return Integer: result of string comparison, or namespace comparison
*/
protected function compare( $a, $b ) {
if ( $a->page_namespace == $b->page_namespace ) {
return strcmp( $a->page_title, $b->page_title );
} else {
return $a->page_namespace - $b->page_namespace;
}
}
}
/**
* Builds the image revision log shown on image pages
*
* @ingroup Media
*/
class ImageHistoryList {
protected $imagePage, $img, $skin, $title, $repo, $showThumb;
protected $preventClickjacking = false;
public function __construct( $imagePage ) {
global $wgUser, $wgShowArchiveThumbnails;
$this->skin = $wgUser->getSkin();
$this->current = $imagePage->getFile();
$this->img = $imagePage->getDisplayedFile();
$this->title = $imagePage->getTitle();
$this->imagePage = $imagePage;
$this->showThumb = $wgShowArchiveThumbnails && $this->img->canRender();
}
public function getImagePage() {
return $this->imagePage;
}
public function getSkin() {
return $this->skin;
}
public function getFile() {
return $this->img;
}
public function beginImageHistoryList( $navLinks = '' ) {
global $wgOut, $wgUser;
return Xml::element( 'h2', array( 'id' => 'filehistory' ), wfMsg( 'filehist' ) ) . "\n"
. "
\n"
. $wgOut->parse( wfMsgNoTrans( 'filehist-help' ) )
. $navLinks . "\n"
. Xml::openElement( 'table', array( 'class' => 'wikitable filehistory' ) ) . "\n"
. '
| '
. ( $this->current->isLocal() && ( $wgUser->isAllowed( 'delete' ) || $wgUser->isAllowed( 'deletedhistory' ) ) ? ' | ' : '' )
. '' . wfMsgHtml( 'filehist-datetime' ) . ' | '
. ( $this->showThumb ? '' . wfMsgHtml( 'filehist-thumb' ) . ' | ' : '' )
. '' . wfMsgHtml( 'filehist-dimensions' ) . ' | '
. '' . wfMsgHtml( 'filehist-user' ) . ' | '
. '' . wfMsgHtml( 'filehist-comment' ) . ' | '
. "
|---|
\n";
}
public function endImageHistoryList( $navLinks = '' ) {
return "\n$navLinks\n\n";
}
public function imageHistoryLine( $iscur, $file ) {
global $wgUser, $wgLang;
$timestamp = wfTimestamp( TS_MW, $file->getTimestamp() );
$img = $iscur ? $file->getName() : $file->getArchiveName();
$user = $file->getUser( 'id' );
$usertext = $file->getUser( 'text' );
$description = $file->getDescription();
$local = $this->current->isLocal();
$row = $selected = '';
// Deletion link
if ( $local && ( $wgUser->isAllowed( 'delete' ) || $wgUser->isAllowed( 'deletedhistory' ) ) ) {
$row .= '
';
# Link to remove from history
if ( $wgUser->isAllowed( 'delete' ) ) {
$q = array( 'action' => 'delete' );
if ( !$iscur )
$q['oldimage'] = $img;
$row .= $this->skin->link(
$this->title,
wfMsgHtml( $iscur ? 'filehist-deleteall' : 'filehist-deleteone' ),
array(), $q, array( 'known' )
);
}
# Link to hide content. Don't show useless link to people who cannot hide revisions.
$canHide = $wgUser->isAllowed( 'deleterevision' );
if ( $canHide || ( $wgUser->isAllowed( 'deletedhistory' ) && $file->getVisibility() ) ) {
if ( $wgUser->isAllowed( 'delete' ) ) {
$row .= '
';
}
// If file is top revision or locked from this user, don't link
if ( $iscur || !$file->userCan( File::DELETED_RESTRICTED ) ) {
$del = $this->skin->revDeleteLinkDisabled( $canHide );
} else {
list( $ts, $name ) = explode( '!', $img, 2 );
$query = array(
'type' => 'oldimage',
'target' => $this->title->getPrefixedText(),
'ids' => $ts,
);
$del = $this->skin->revDeleteLink( $query,
$file->isDeleted( File::DELETED_RESTRICTED ), $canHide );
}
$row .= $del;
}
$row .= ' | ';
}
// Reversion link/current indicator
$row .= '
';
if ( $iscur ) {
$row .= wfMsgHtml( 'filehist-current' );
} elseif ( $local && $wgUser->isLoggedIn() && $this->title->userCan( 'edit' ) ) {
if ( $file->isDeleted( File::DELETED_FILE ) ) {
$row .= wfMsgHtml( 'filehist-revert' );
} else {
$row .= $this->skin->link(
$this->title,
wfMsgHtml( 'filehist-revert' ),
array(),
array(
'action' => 'revert',
'oldimage' => $img,
'wpEditToken' => $wgUser->editToken( $img )
),
array( 'known', 'noclasses' )
);
}
}
$row .= ' | ';
// Date/time and image link
if ( $file->getTimestamp() === $this->img->getTimestamp() ) {
$selected = "class='filehistory-selected'";
}
$row .= "
";
if ( !$file->userCan( File::DELETED_FILE ) ) {
# Don't link to unviewable files
$row .= '' . $wgLang->timeAndDate( $timestamp, true ) . '';
} elseif ( $file->isDeleted( File::DELETED_FILE ) ) {
$this->preventClickjacking();
$revdel = SpecialPage::getTitleFor( 'Revisiondelete' );
# Make a link to review the image
$url = $this->skin->link(
$revdel,
$wgLang->timeAndDate( $timestamp, true ),
array(),
array(
'target' => $this->title->getPrefixedText(),
'file' => $img,
'token' => $wgUser->editToken( $img )
),
array( 'known', 'noclasses' )
);
$row .= '' . $url . '';
} else {
$url = $iscur ? $this->current->getUrl() : $this->current->getArchiveUrl( $img );
$row .= Xml::element( 'a', array( 'href' => $url ), $wgLang->timeAndDate( $timestamp, true ) );
}
$row .= " | ";
// Thumbnail
if ( $this->showThumb ) {
$row .= '
' . $this->getThumbForLine( $file ) . ' | ';
}
// Image dimensions + size
$row .= '
';
$row .= htmlspecialchars( $file->getDimensionsString() );
$row .= " (" . $this->skin->formatSize( $file->getSize() ) . ')';
$row .= ' | ';
// Uploading user
$row .= '
';
// Hide deleted usernames
if ( $file->isDeleted( File::DELETED_USER ) ) {
$row .= '' . wfMsgHtml( 'rev-deleted-user' ) . '';
} else {
if ( $local ) {
$row .= $this->skin->userLink( $user, $usertext ) . ' ' .
$this->skin->userToolLinks( $user, $usertext ) . '';
} else {
$row .= htmlspecialchars( $usertext );
}
}
$row .= ' | ';
// Don't show deleted descriptions
if ( $file->isDeleted( File::DELETED_COMMENT ) ) {
$row .= '' . wfMsgHtml( 'rev-deleted-comment' ) . '';
} else {
$row .= $this->skin->commentBlock( $description, $this->title );
}
$row .= ' | ';
$rowClass = null;
wfRunHooks( 'ImagePageFileHistoryLine', array( $this, $file, &$row, &$rowClass ) );
$classAttr = $rowClass ? " class='$rowClass'" : "";
return "
{$row}\n";
}
protected function getThumbForLine( $file ) {
global $wgLang;
if ( $file->allowInlineDisplay() && $file->userCan( File::DELETED_FILE ) && !$file->isDeleted( File::DELETED_FILE ) ) {
$params = array(
'width' => '120',
'height' => '120',
);
$timestamp = wfTimestamp( TS_MW, $file->getTimestamp() );
$thumbnail = $file->transform( $params );
$options = array(
'alt' => wfMsg( 'filehist-thumbtext',
$wgLang->timeAndDate( $timestamp, true ),
$wgLang->date( $timestamp, true ),
$wgLang->time( $timestamp, true ) ),
'file-link' => true,
);
if ( !$thumbnail ) return wfMsgHtml( 'filehist-nothumb' );
return $thumbnail->toHtml( $options );
} else {
return wfMsgHtml( 'filehist-nothumb' );
}
}
protected function preventClickjacking( $enable = true ) {
$this->preventClickjacking = $enable;
}
public function getPreventClickjacking() {
return $this->preventClickjacking;
}
}
class ImageHistoryPseudoPager extends ReverseChronologicalPager {
protected $preventClickjacking = false;
function __construct( $imagePage ) {
parent::__construct();
$this->mImagePage = $imagePage;
$this->mTitle = clone ( $imagePage->getTitle() );
$this->mTitle->setFragment( '#filehistory' );
$this->mImg = null;
$this->mHist = array();
$this->mRange = array( 0, 0 ); // display range
}
function getTitle() {
return $this->mTitle;
}
function getQueryInfo() {
return false;
}
function getIndexField() {
return '';
}
function formatRow( $row ) {
return '';
}
function getBody() {
$s = '';
$this->doQuery();
if ( count( $this->mHist ) ) {
$list = new ImageHistoryList( $this->mImagePage );
# Generate prev/next links
$navLink = $this->getNavigationBar();
$s = $list->beginImageHistoryList( $navLink );
// Skip rows there just for paging links
for ( $i = $this->mRange[0]; $i <= $this->mRange[1]; $i++ ) {
$file = $this->mHist[$i];
$s .= $list->imageHistoryLine( !$file->isOld(), $file );
}
$s .= $list->endImageHistoryList( $navLink );
if ( $list->getPreventClickjacking() ) {
$this->preventClickjacking();
}
}
return $s;
}
function doQuery() {
if ( $this->mQueryDone ) return;
$this->mImg = $this->mImagePage->getFile(); // ensure loading
if ( !$this->mImg->exists() ) {
return;
}
$queryLimit = $this->mLimit + 1; // limit plus extra row
if ( $this->mIsBackwards ) {
// Fetch the file history
$this->mHist = $this->mImg->getHistory( $queryLimit, null, $this->mOffset, false );
// The current rev may not meet the offset/limit
$numRows = count( $this->mHist );
if ( $numRows <= $this->mLimit && $this->mImg->getTimestamp() > $this->mOffset ) {
$this->mHist = array_merge( array( $this->mImg ), $this->mHist );
}
} else {
// The current rev may not meet the offset
if ( !$this->mOffset || $this->mImg->getTimestamp() < $this->mOffset ) {
$this->mHist[] = $this->mImg;
}
// Old image versions (fetch extra row for nav links)
$oiLimit = count( $this->mHist ) ? $this->mLimit : $this->mLimit + 1;
// Fetch the file history
$this->mHist = array_merge( $this->mHist,
$this->mImg->getHistory( $oiLimit, $this->mOffset, null, false ) );
}
$numRows = count( $this->mHist ); // Total number of query results
if ( $numRows ) {
# Index value of top item in the list
$firstIndex = $this->mIsBackwards ?
$this->mHist[$numRows - 1]->getTimestamp() : $this->mHist[0]->getTimestamp();
# Discard the extra result row if there is one
if ( $numRows > $this->mLimit && $numRows > 1 ) {
if ( $this->mIsBackwards ) {
# Index value of item past the index
$this->mPastTheEndIndex = $this->mHist[0]->getTimestamp();
# Index value of bottom item in the list
$lastIndex = $this->mHist[1]->getTimestamp();
# Display range
$this->mRange = array( 1, $numRows - 1 );
} else {
# Index value of item past the index
$this->mPastTheEndIndex = $this->mHist[$numRows - 1]->getTimestamp();
# Index value of bottom item in the list
$lastIndex = $this->mHist[$numRows - 2]->getTimestamp();
# Display range
$this->mRange = array( 0, $numRows - 2 );
}
} else {
# Setting indexes to an empty string means that they will be
# omitted if they would otherwise appear in URLs. It just so
# happens that this is the right thing to do in the standard
# UI, in all the relevant cases.
$this->mPastTheEndIndex = '';
# Index value of bottom item in the list
$lastIndex = $this->mIsBackwards ?
$this->mHist[0]->getTimestamp() : $this->mHist[$numRows - 1]->getTimestamp();
# Display range
$this->mRange = array( 0, $numRows - 1 );
}
} else {
$firstIndex = '';
$lastIndex = '';
$this->mPastTheEndIndex = '';
}
if ( $this->mIsBackwards ) {
$this->mIsFirst = ( $numRows < $queryLimit );
$this->mIsLast = ( $this->mOffset == '' );
$this->mLastShown = $firstIndex;
$this->mFirstShown = $lastIndex;
} else {
$this->mIsFirst = ( $this->mOffset == '' );
$this->mIsLast = ( $numRows < $queryLimit );
$this->mLastShown = $lastIndex;
$this->mFirstShown = $firstIndex;
}
$this->mQueryDone = true;
}
protected function preventClickjacking( $enable = true ) {
$this->preventClickjacking = $enable;
}
public function getPreventClickjacking() {
return $this->preventClickjacking;
}
}