/*
Special handling for image description pages
*/
class ImagePage extends Article {
function view() {
if ( Namespace::getImage() == $this->mTitle->getNamespace() ) {
$this->openShowImage();
}
Article::view();
# If the article we've just shown is in the "Image" namespace,
# follow it with the history list and link list for the image
# it describes.
if ( Namespace::getImage() == $this->mTitle->getNamespace() ) {
$this->closeShowImage();
$this->imageHistory();
$this->imageLinks();
}
}
function openShowImage()
{
global $wgOut, $wgUser;
$name = $this->mTitle->getText();
$path = wfImagePath( $name );
$url = wfImageUrl( $name );
if ( file_exists( $path ) ) {
list($width, $height, $type, $attr) = getimagesize( $path );
$sk = $wgUser->getSkin();
if ( $type != "" ) {
# image
$s .= "
";
} else {
$s .= "".$sk->makeMediaLink($name,"")."";
}
$wgOut->addHTML( $s );
}
}
function closeShowImage()
{
# For overloading
}
# If the page we've just displayed is in the "Image" namespace,
# we follow it with an upload history of the image and its usage.
function imageHistory()
{
global $wgUser, $wgOut, $wgLang;
$fname = "Article::imageHistory";
$sql = "SELECT img_size,img_description,img_user," .
"img_user_text,img_timestamp FROM image WHERE " .
"img_name='" . wfStrencode( $this->mTitle->getDBkey() ) . "'";
$res = wfQuery( $sql, DB_READ, $fname );
if ( 0 == wfNumRows( $res ) ) { return; }
$sk = $wgUser->getSkin();
$s = $sk->beginImageHistoryList();
$line = wfFetchObject( $res );
$s .= $sk->imageHistoryLine( true, $line->img_timestamp,
$this->mTitle->getText(), $line->img_user,
$line->img_user_text, $line->img_size, $line->img_description );
$sql = "SELECT oi_size,oi_description,oi_user," .
"oi_user_text,oi_timestamp,oi_archive_name FROM oldimage WHERE " .
"oi_name='" . wfStrencode( $this->mTitle->getDBkey() ) . "' " .
"ORDER BY oi_timestamp DESC";
$res = wfQuery( $sql, DB_READ, $fname );
while ( $line = wfFetchObject( $res ) ) {
$s .= $sk->imageHistoryLine( false, $line->oi_timestamp,
$line->oi_archive_name, $line->oi_user,
$line->oi_user_text, $line->oi_size, $line->oi_description );
}
$s .= $sk->endImageHistoryList();
$wgOut->addHTML( $s );
}
function imageLinks()
{
global $wgUser, $wgOut;
$wgOut->addHTML( "" . wfMsg( "imagelinks" ) . "
\n" );
$sql = "SELECT il_from FROM imagelinks WHERE il_to='" .
wfStrencode( $this->mTitle->getDBkey() ) . "'";
$res = wfQuery( $sql, DB_READ, "Article::imageLinks" );
if ( 0 == wfNumRows( $res ) ) {
$wgOut->addHtml( "" . wfMsg( "nolinkstoimage" ) . "\n" );
return;
}
$wgOut->addHTML( "
" . wfMsg( "linkstoimage" ) . "\n
" );
$sk = $wgUser->getSkin();
while ( $s = wfFetchObject( $res ) ) {
$name = $s->il_from;
$link = $sk->makeKnownLink( $name, "" );
$wgOut->addHTML( "- {$link}
\n" );
}
$wgOut->addHTML( "
\n" );
}
function delete()
{
global $wgUser, $wgOut;
global $wpConfirm, $wpReason, $image, $oldimage;
# Anybody can delete old revisions of images; only sysops
# can delete articles and current images
if ( !$wgUser->isSysop() ) {
$wgOut->sysopRequired();
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
# Better double-check that it hasn't been deleted yet!
$wgOut->setPagetitle( wfMsg( "confirmdelete" ) );
if ( $image ) {
if ( "" == trim( $image ) ) {
$wgOut->fatalError( wfMsg( "cannotdelete" ) );
return;
}
}
# Likewise, deleting old images doesn't require confirmation
if ( $oldimage || 1 == $wpConfirm ) {
$this->doDelete();
return;
}
if ( $image ) {
$q = "&image={$image}";
} else if ( $oldimage ) {
$q = "&oldimage={$oldimage}";
}
return $this->confirmDelete( $q );
}
function doDelete()
{
global $wgOut, $wgUser, $wgLang;
global $image, $oldimage, $wpReason;
$fname = "Article::doDelete";
if ( $image ) {
$dest = wfImageDir( $image );
$archive = wfImageDir( $image );
if ( ! unlink( "{$dest}/{$image}" ) ) {
$wgOut->fileDeleteError( "{$dest}/{$image}" );
return;
}
$sql = "DELETE FROM image WHERE img_name='" .
wfStrencode( $image ) . "'";
wfQuery( $sql, DB_WRITE, $fname );
$sql = "SELECT oi_archive_name FROM oldimage WHERE oi_name='" .
wfStrencode( $image ) . "'";
$res = wfQuery( $sql, DB_READ, $fname );
while ( $s = wfFetchObject( $res ) ) {
$this->doDeleteOldImage( $s->oi_archive_name );
}
$sql = "DELETE FROM oldimage WHERE oi_name='" .
wfStrencode( $image ) . "'";
wfQuery( $sql, DB_WRITE, $fname );
# Image itself is now gone, and database is cleaned.
# Now we remove the image description page.
$nt = Title::newFromText( $wgLang->getNsText( Namespace::getImage() ) . ":" . $image );
$this->doDeleteArticle( $nt );
$deleted = $image;
} else if ( $oldimage ) {
$this->doDeleteOldImage( $oldimage );
$sql = "DELETE FROM oldimage WHERE oi_archive_name='" .
wfStrencode( $oldimage ) . "'";
wfQuery( $sql, DB_WRITE, $fname );
$deleted = $oldimage;
} else {
$this->doDeleteArticle( $this->mTitle );
$deleted = $this->mTitle->getPrefixedText();
}
$wgOut->setPagetitle( wfMsg( "actioncomplete" ) );
$wgOut->setRobotpolicy( "noindex,nofollow" );
$sk = $wgUser->getSkin();
$loglink = $sk->makeKnownLink( $wgLang->getNsText(
Namespace::getWikipedia() ) .
":" . wfMsg( "dellogpage" ), wfMsg( "deletionlog" ) );
$text = wfMsg( "deletedtext", $deleted, $loglink );
$wgOut->addHTML( "" . $text );
$wgOut->returnToMain( false );
}
function doDeleteOldImage( $oldimage )
{
global $wgOut;
$name = substr( $oldimage, 15 );
$archive = wfImageArchiveDir( $name );
if ( ! unlink( "{$archive}/{$oldimage}" ) ) {
$wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
}
}
function revert()
{
global $wgOut;
global $oldimage;
if ( strlen( $oldimage ) < 16 ) {
$wgOut->unexpectedValueError( "oldimage", $oldimage );
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
$name = substr( $oldimage, 15 );
$dest = wfImageDir( $name );
$archive = wfImageArchiveDir( $name );
$curfile = "{$dest}/{$name}";
if ( ! is_file( $curfile ) ) {
$wgOut->fileNotFoundError( $curfile );
return;
}
$oldver = wfTimestampNow() . "!{$name}";
$size = wfGetSQL( "oldimage", "oi_size", "oi_archive_name='" .
wfStrencode( $oldimage ) . "'" );
if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
$wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
return;
}
if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
$wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
}
wfRecordUpload( $name, $oldver, $size, wfMsg( "reverted" ) );
$wgOut->setPagetitle( wfMsg( "actioncomplete" ) );
$wgOut->setRobotpolicy( "noindex,nofollow" );
$wgOut->addHTML( wfMsg( "imagereverted" ) );
$wgOut->returnToMain( false );
}
}
?>