+
+/**
+ *
+ * @package MediaWiki
+ * @subpackage SpecialPage
+ */
+class UndeleteForm {
+ var $mAction, $mTarget, $mTimestamp, $mRestore, $mTargetObj;
+ var $mTargetTimestamp, $mAllowed, $mComment;
+
+ function UndeleteForm( &$request, $par = "" ) {
+ global $wgUser;
+ $this->mAction = $request->getText( 'action' );
+ $this->mTarget = $request->getText( 'target' );
+ $this->mTimestamp = $request->getText( 'timestamp' );
+ $this->mFile = $request->getVal( 'file' );
+
+ $posted = $request->wasPosted() &&
+ $wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
+ $this->mRestore = $request->getCheck( 'restore' ) && $posted;
+ $this->mPreview = $request->getCheck( 'preview' ) && $posted;
+ $this->mComment = $request->getText( 'wpComment' );
+
+ if( $par != "" ) {
+ $this->mTarget = $par;
+ }
+ if ( $wgUser->isAllowed( 'delete' ) && !$wgUser->isBlocked() ) {
+ $this->mAllowed = true;
+ } else {
+ $this->mAllowed = false;
+ $this->mTimestamp = '';
+ $this->mRestore = false;
+ }
+ if ( $this->mTarget !== "" ) {
+ $this->mTargetObj = Title::newFromURL( $this->mTarget );
+ } else {
+ $this->mTargetObj = NULL;
+ }
+ if( $this->mRestore ) {
+ $timestamps = array();
+ $this->mFileVersions = array();
+ foreach( $_REQUEST as $key => $val ) {
+ if( preg_match( '/^ts(\d{14})$/', $key, $matches ) ) {
+ array_push( $timestamps, $matches[1] );
+ }
+
+ if( preg_match( '/^fileid(\d+)$/', $key, $matches ) ) {
+ $this->mFileVersions[] = intval( $matches[1] );
+ }
+ }
+ rsort( $timestamps );
+ $this->mTargetTimestamp = $timestamps;
+ }
+ }
+
+ function execute() {
+
+ if( is_null( $this->mTargetObj ) ) {
+ return $this->showList();
+ }
+ if( $this->mTimestamp !== '' ) {
+ return $this->showRevision( $this->mTimestamp );
+ }
+ if( $this->mFile !== null ) {
+ return $this->showFile( $this->mFile );
+ }
+ if( $this->mRestore && $this->mAction == "submit" ) {
+ return $this->undelete();
+ }
+ return $this->showHistory();
+ }
+
+ /* private */ function showList() {
+ global $wgLang, $wgContLang, $wgUser, $wgOut;
+ $fname = "UndeleteForm::showList";
+
+ # List undeletable articles
+ $result = PageArchive::listAllPages();
+
+ if ( $this->mAllowed ) {
+ $wgOut->setPagetitle( wfMsg( "undeletepage" ) );
+ } else {
+ $wgOut->setPagetitle( wfMsg( "viewdeletedpage" ) );
+ }
+ $wgOut->addWikiText( wfMsg( "undeletepagetext" ) );
+
+ $sk = $wgUser->getSkin();
+ $undelete =& Title::makeTitle( NS_SPECIAL, 'Undelete' );
+ $wgOut->addHTML( "<ul>\n" );
+ while( $row = $result->fetchObject() ) {
+ $n = ($row->ar_namespace ?
+ ($wgContLang->getNsText( $row->ar_namespace ) . ":") : "").
+ $row->ar_title;
+ $link = $sk->makeKnownLinkObj( $undelete,
+ htmlspecialchars( $n ), "target=" . urlencode( $n ) );
+ $revisions = htmlspecialchars( wfMsg( "undeleterevisions",
+ $wgLang->formatNum( $row->count ) ) );
+ $wgOut->addHTML( "<li>$link ($revisions)</li>\n" );
+ }
+ $result->free();
+ $wgOut->addHTML( "</ul>\n" );
+
+ return true;
+ }
+
+ /* private */ function showRevision( $timestamp ) {
+ global $wgLang, $wgUser, $wgOut;
+ $fname = "UndeleteForm::showRevision";
+
+ if(!preg_match("/[0-9]{14}/",$timestamp)) return 0;
+
+ $archive =& new PageArchive( $this->mTargetObj );
+ $text = $archive->getRevisionText( $timestamp );
+
+ $wgOut->setPagetitle( wfMsg( "undeletepage" ) );
+ $wgOut->addWikiText( "(" . wfMsg( "undeleterevision",
+ $wgLang->date( $timestamp ) ) . ")\n" );
+
+ if( $this->mPreview ) {
+ $wgOut->addHtml( "<hr />\n" );
+ $wgOut->addWikiText( $text );
+ }
+
+ $self = Title::makeTitle( NS_SPECIAL, "Undelete" );
+
+ $wgOut->addHtml(
+ wfElement( 'textarea', array(
+ 'readonly' => true,
+ 'cols' => intval( $wgUser->getOption( 'cols' ) ),
+ 'rows' => intval( $wgUser->getOption( 'rows' ) ) ),
+ $text . "\n" ) .
+ wfOpenElement( 'div' ) .
+ wfOpenElement( 'form', array(
+ 'method' => 'post',
+ 'action' => $self->getLocalURL( "action=submit" ) ) ) .
+ wfElement( 'input', array(
+ 'type' => 'hidden',
+ 'name' => 'target',
+ 'value' => $this->mTargetObj->getPrefixedDbKey() ) ) .
+ wfElement( 'input', array(
+ 'type' => 'hidden',
+ 'name' => 'timestamp',
+ 'value' => $timestamp ) ) .
+ wfElement( 'input', array(
+ 'type' => 'hidden',
+ 'name' => 'wpEditToken',
+ 'value' => $wgUser->editToken() ) ) .
+ wfElement( 'input', array(
+ 'type' => 'hidden',
+ 'name' => 'preview',
+ 'value' => '1' ) ) .
+ wfElement( 'input', array(
+ 'type' => 'submit',
+ 'value' => wfMsg( 'showpreview' ) ) ) .
+ wfCloseElement( 'form' ) .
+ wfCloseElement( 'div' ) );
+ }