3 * User interface for page actions.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
24 * Class for viewing MediaWiki article and history.
26 * This maintains WikiPage functions for backwards compatibility.
28 * @todo move and rewrite code to an Action class
30 * See design.txt for an overview.
31 * Note: edit user interface and cache support functions have been
32 * moved to separate EditPage and HTMLFileCache classes.
34 * @internal documentation reviewed 15 Mar 2010
36 class Article
implements Page
{
42 * The context this Article is executed in
43 * @var IContextSource $mContext
48 * The WikiPage object of this instance
49 * @var WikiPage $mPage
54 * ParserOptions object for $wgUser articles
55 * @var ParserOptions $mParserOptions
57 public $mParserOptions;
60 * Text of the revision we are working on
61 * @var string $mContent
63 var $mContent; // !< #BC cruft
66 * Content of the revision we are working on
70 var $mContentObject; // !<
73 * Is the content ($mContent) already loaded?
74 * @var bool $mContentLoaded
76 var $mContentLoaded = false; // !<
79 * The oldid of the article that is to be shown, 0 for the
81 * @var int|null $mOldId
86 * Title from which we were redirected here
87 * @var Title $mRedirectedFrom
89 var $mRedirectedFrom = null;
92 * URL to redirect to or false if none
93 * @var string|false $mRedirectUrl
95 var $mRedirectUrl = false; // !<
98 * Revision ID of revision we are working on
99 * @var int $mRevIdFetched
101 var $mRevIdFetched = 0; // !<
104 * Revision we are working on
105 * @var Revision $mRevision
107 var $mRevision = null;
110 * ParserOutput object
111 * @var ParserOutput $mParserOutput
118 * Constructor and clear the article
119 * @param $title Title Reference to a Title object.
120 * @param $oldId Integer revision ID, null to fetch from request, zero for current
122 public function __construct( Title
$title, $oldId = null ) {
123 $this->mOldId
= $oldId;
124 $this->mPage
= $this->newPage( $title );
128 * @param $title Title
131 protected function newPage( Title
$title ) {
132 return new WikiPage( $title );
136 * Constructor from a page id
137 * @param int $id article ID to load
138 * @return Article|null
140 public static function newFromID( $id ) {
141 $t = Title
::newFromID( $id );
142 # @todo FIXME: Doesn't inherit right
143 return $t == null ?
null : new self( $t );
144 # return $t == null ? null : new static( $t ); // PHP 5.3
148 * Create an Article object of the appropriate class for the given page.
150 * @param $title Title
151 * @param $context IContextSource
152 * @return Article object
154 public static function newFromTitle( $title, IContextSource
$context ) {
155 if ( NS_MEDIA
== $title->getNamespace() ) {
156 // FIXME: where should this go?
157 $title = Title
::makeTitle( NS_FILE
, $title->getDBkey() );
161 wfRunHooks( 'ArticleFromTitle', array( &$title, &$page ) );
163 switch( $title->getNamespace() ) {
165 $page = new ImagePage( $title );
168 $page = new CategoryPage( $title );
171 $page = new Article( $title );
174 $page->setContext( $context );
180 * Create an Article object of the appropriate class for the given page.
182 * @param $page WikiPage
183 * @param $context IContextSource
184 * @return Article object
186 public static function newFromWikiPage( WikiPage
$page, IContextSource
$context ) {
187 $article = self
::newFromTitle( $page->getTitle(), $context );
188 $article->mPage
= $page; // override to keep process cached vars
193 * Tell the page view functions that this view was redirected
194 * from another page on the wiki.
195 * @param $from Title object.
197 public function setRedirectedFrom( Title
$from ) {
198 $this->mRedirectedFrom
= $from;
202 * Get the title object of the article
204 * @return Title object of this page
206 public function getTitle() {
207 return $this->mPage
->getTitle();
211 * Get the WikiPage object of this instance
216 public function getPage() {
223 public function clear() {
224 $this->mContentLoaded
= false;
226 $this->mRedirectedFrom
= null; # Title object if set
227 $this->mRevIdFetched
= 0;
228 $this->mRedirectUrl
= false;
230 $this->mPage
->clear();
234 * Note that getContent/loadContent do not follow redirects anymore.
235 * If you need to fetch redirectable content easily, try
236 * the shortcut in WikiPage::getRedirectTarget()
238 * This function has side effects! Do not use this function if you
239 * only want the real revision text if any.
241 * @deprecated in 1.21; use WikiPage::getContent() instead
243 * @return string Return the text of this revision
245 public function getContent() {
246 ContentHandler
::deprecated( __METHOD__
, '1.21' );
247 $content = $this->getContentObject();
248 return ContentHandler
::getContentText( $content );
252 * Returns a Content object representing the pages effective display content,
253 * not necessarily the revision's content!
255 * Note that getContent/loadContent do not follow redirects anymore.
256 * If you need to fetch redirectable content easily, try
257 * the shortcut in WikiPage::getRedirectTarget()
259 * This function has side effects! Do not use this function if you
260 * only want the real revision text if any.
262 * @return Content Return the content of this revision
266 protected function getContentObject() {
267 wfProfileIn( __METHOD__
);
269 if ( $this->mPage
->getID() === 0 ) {
270 # If this is a MediaWiki:x message, then load the messages
271 # and return the message value for x.
272 if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI
) {
273 $text = $this->getTitle()->getDefaultMessageText();
274 if ( $text === false ) {
278 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
280 $message = $this->getContext()->getUser()->isLoggedIn() ?
'noarticletext' : 'noarticletextanon';
281 $content = new MessageContent( $message, null, 'parsemag' );
284 $this->fetchContentObject();
285 $content = $this->mContentObject
;
288 wfProfileOut( __METHOD__
);
293 * @return int The oldid of the article that is to be shown, 0 for the
296 public function getOldID() {
297 if ( is_null( $this->mOldId
) ) {
298 $this->mOldId
= $this->getOldIDFromRequest();
301 return $this->mOldId
;
305 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
307 * @return int The old id for the request
309 public function getOldIDFromRequest() {
310 $this->mRedirectUrl
= false;
312 $request = $this->getContext()->getRequest();
313 $oldid = $request->getIntOrNull( 'oldid' );
315 if ( $oldid === null ) {
319 if ( $oldid !== 0 ) {
320 # Load the given revision and check whether the page is another one.
321 # In that case, update this instance to reflect the change.
322 if ( $oldid === $this->mPage
->getLatest() ) {
323 $this->mRevision
= $this->mPage
->getRevision();
325 $this->mRevision
= Revision
::newFromId( $oldid );
326 if ( $this->mRevision
!== null ) {
327 // Revision title doesn't match the page title given?
328 if ( $this->mPage
->getID() != $this->mRevision
->getPage() ) {
329 $function = array( get_class( $this->mPage
), 'newFromID' );
330 $this->mPage
= call_user_func( $function, $this->mRevision
->getPage() );
336 if ( $request->getVal( 'direction' ) == 'next' ) {
337 $nextid = $this->getTitle()->getNextRevisionID( $oldid );
340 $this->mRevision
= null;
342 $this->mRedirectUrl
= $this->getTitle()->getFullURL( 'redirect=no' );
344 } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
345 $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
348 $this->mRevision
= null;
356 * Load the revision (including text) into this object
358 * @deprecated in 1.19; use fetchContent()
360 function loadContent() {
361 wfDeprecated( __METHOD__
, '1.19' );
362 $this->fetchContent();
366 * Get text of an article from database
367 * Does *NOT* follow redirects.
370 * @note this is really internal functionality that should really NOT be used by other functions. For accessing
371 * article content, use the WikiPage class, especially WikiBase::getContent(). However, a lot of legacy code
372 * uses this method to retrieve page text from the database, so the function has to remain public for now.
374 * @return mixed string containing article contents, or false if null
375 * @deprecated in 1.21, use WikiPage::getContent() instead
377 function fetchContent() { #BC cruft!
378 ContentHandler
::deprecated( __METHOD__
, '1.21' );
380 if ( $this->mContentLoaded
&& $this->mContent
) {
381 return $this->mContent
;
384 wfProfileIn( __METHOD__
);
386 $content = $this->fetchContentObject();
388 $this->mContent
= ContentHandler
::getContentText( $content ); #@todo: get rid of mContent everywhere!
389 ContentHandler
::runLegacyHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) );
391 wfProfileOut( __METHOD__
);
393 return $this->mContent
;
397 * Get text content object
398 * Does *NOT* follow redirects.
399 * TODO: when is this null?
401 * @note code that wants to retrieve page content from the database should use WikiPage::getContent().
403 * @return Content|null|boolean false
407 protected function fetchContentObject() {
408 if ( $this->mContentLoaded
) {
409 return $this->mContentObject
;
412 wfProfileIn( __METHOD__
);
414 $this->mContentLoaded
= true;
415 $this->mContent
= null;
417 $oldid = $this->getOldID();
419 # Pre-fill content with error message so that if something
420 # fails we'll have something telling us what we intended.
421 //XXX: this isn't page content but a UI message. horrible.
422 $this->mContentObject
= new MessageContent( 'missing-revision', array( $oldid ), array() );
425 # $this->mRevision might already be fetched by getOldIDFromRequest()
426 if ( !$this->mRevision
) {
427 $this->mRevision
= Revision
::newFromId( $oldid );
428 if ( !$this->mRevision
) {
429 wfDebug( __METHOD__
. " failed to retrieve specified revision, id $oldid\n" );
430 wfProfileOut( __METHOD__
);
435 if ( !$this->mPage
->getLatest() ) {
436 wfDebug( __METHOD__
. " failed to find page data for title " . $this->getTitle()->getPrefixedText() . "\n" );
437 wfProfileOut( __METHOD__
);
441 $this->mRevision
= $this->mPage
->getRevision();
443 if ( !$this->mRevision
) {
444 wfDebug( __METHOD__
. " failed to retrieve current page, rev_id " . $this->mPage
->getLatest() . "\n" );
445 wfProfileOut( __METHOD__
);
450 // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
451 // We should instead work with the Revision object when we need it...
452 $this->mContentObject
= $this->mRevision
->getContent( Revision
::FOR_THIS_USER
, $this->getContext()->getUser() ); // Loads if user is allowed
453 $this->mRevIdFetched
= $this->mRevision
->getId();
455 wfRunHooks( 'ArticleAfterFetchContentObject', array( &$this, &$this->mContentObject
) );
457 wfProfileOut( __METHOD__
);
459 return $this->mContentObject
;
464 * @deprecated since 1.18
466 public function forUpdate() {
467 wfDeprecated( __METHOD__
, '1.18' );
471 * Returns true if the currently-referenced revision is the current edit
472 * to this page (and it exists).
475 public function isCurrent() {
476 # If no oldid, this is the current version.
477 if ( $this->getOldID() == 0 ) {
481 return $this->mPage
->exists() && $this->mRevision
&& $this->mRevision
->isCurrent();
485 * Get the fetched Revision object depending on request parameters or null
489 * @return Revision|null
491 public function getRevisionFetched() {
492 $this->fetchContentObject();
494 return $this->mRevision
;
498 * Use this to fetch the rev ID used on page views
500 * @return int revision ID of last article revision
502 public function getRevIdFetched() {
503 if ( $this->mRevIdFetched
) {
504 return $this->mRevIdFetched
;
506 return $this->mPage
->getLatest();
511 * This is the default action of the index.php entry point: just view the
512 * page of the given title.
514 public function view() {
515 global $wgUseFileCache, $wgUseETag, $wgDebugToolbar;
517 wfProfileIn( __METHOD__
);
519 # Get variables from query string
520 # As side effect this will load the revision and update the title
521 # in a revision ID is passed in the request, so this should remain
522 # the first call of this method even if $oldid is used way below.
523 $oldid = $this->getOldID();
525 $user = $this->getContext()->getUser();
526 # Another whitelist check in case getOldID() is altering the title
527 $permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $user );
528 if ( count( $permErrors ) ) {
529 wfDebug( __METHOD__
. ": denied on secondary read check\n" );
530 wfProfileOut( __METHOD__
);
531 throw new PermissionsError( 'read', $permErrors );
534 $outputPage = $this->getContext()->getOutput();
535 # getOldID() may as well want us to redirect somewhere else
536 if ( $this->mRedirectUrl
) {
537 $outputPage->redirect( $this->mRedirectUrl
);
538 wfDebug( __METHOD__
. ": redirecting due to oldid\n" );
539 wfProfileOut( __METHOD__
);
544 # If we got diff in the query, we want to see a diff page instead of the article.
545 if ( $this->getContext()->getRequest()->getCheck( 'diff' ) ) {
546 wfDebug( __METHOD__
. ": showing diff page\n" );
547 $this->showDiffPage();
548 wfProfileOut( __METHOD__
);
553 # Set page title (may be overridden by DISPLAYTITLE)
554 $outputPage->setPageTitle( $this->getTitle()->getPrefixedText() );
556 $outputPage->setArticleFlag( true );
557 # Allow frames by default
558 $outputPage->allowClickjacking();
560 $parserCache = ParserCache
::singleton();
562 $parserOptions = $this->getParserOptions();
563 # Render printable version, use printable version cache
564 if ( $outputPage->isPrintable() ) {
565 $parserOptions->setIsPrintable( true );
566 $parserOptions->setEditSection( false );
567 } elseif ( !$this->isCurrent() ||
!$this->getTitle()->quickUserCan( 'edit', $user ) ) {
568 $parserOptions->setEditSection( false );
571 # Try client and file cache
572 if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage
->checkTouched() ) {
574 $outputPage->setETag( $parserCache->getETag( $this, $parserOptions ) );
577 # Is it client cached?
578 if ( $outputPage->checkLastModified( $this->mPage
->getTouched() ) ) {
579 wfDebug( __METHOD__
. ": done 304\n" );
580 wfProfileOut( __METHOD__
);
584 } elseif ( $wgUseFileCache && $this->tryFileCache() ) {
585 wfDebug( __METHOD__
. ": done file cache\n" );
586 # tell wgOut that output is taken care of
587 $outputPage->disable();
588 $this->mPage
->doViewUpdates( $user );
589 wfProfileOut( __METHOD__
);
595 # Should the parser cache be used?
596 $useParserCache = $this->mPage
->isParserCacheUsed( $parserOptions, $oldid );
597 wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
598 if ( $user->getStubThreshold() ) {
599 wfIncrStats( 'pcache_miss_stub' );
602 $this->showRedirectedFromHeader();
603 $this->showNamespaceHeader();
605 # Iterate through the possible ways of constructing the output text.
606 # Keep going until $outputDone is set, or we run out of things to do.
609 $this->mParserOutput
= false;
611 while ( !$outputDone && ++
$pass ) {
614 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
617 # Early abort if the page doesn't exist
618 if ( !$this->mPage
->exists() ) {
619 wfDebug( __METHOD__
. ": showing missing article\n" );
620 $this->showMissingArticle();
621 wfProfileOut( __METHOD__
);
625 # Try the parser cache
626 if ( $useParserCache ) {
627 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
629 if ( $this->mParserOutput
!== false ) {
631 wfDebug( __METHOD__
. ": showing parser cache contents for current rev permalink\n" );
632 $this->setOldSubtitle( $oldid );
634 wfDebug( __METHOD__
. ": showing parser cache contents\n" );
636 $outputPage->addParserOutput( $this->mParserOutput
);
637 # Ensure that UI elements requiring revision ID have
638 # the correct version information.
639 $outputPage->setRevisionId( $this->mPage
->getLatest() );
640 # Preload timestamp to avoid a DB hit
641 $cachedTimestamp = $this->mParserOutput
->getTimestamp();
642 if ( $cachedTimestamp !== null ) {
643 $outputPage->setRevisionTimestamp( $cachedTimestamp );
644 $this->mPage
->setTimestamp( $cachedTimestamp );
651 # This will set $this->mRevision if needed
652 $this->fetchContentObject();
654 # Are we looking at an old revision
655 if ( $oldid && $this->mRevision
) {
656 $this->setOldSubtitle( $oldid );
658 if ( !$this->showDeletedRevisionHeader() ) {
659 wfDebug( __METHOD__
. ": cannot view deleted revision\n" );
660 wfProfileOut( __METHOD__
);
665 # Ensure that UI elements requiring revision ID have
666 # the correct version information.
667 $outputPage->setRevisionId( $this->getRevIdFetched() );
668 # Preload timestamp to avoid a DB hit
669 $outputPage->setRevisionTimestamp( $this->getTimestamp() );
671 # Pages containing custom CSS or JavaScript get special treatment
672 if ( $this->getTitle()->isCssOrJsPage() ||
$this->getTitle()->isCssJsSubpage() ) {
673 wfDebug( __METHOD__
. ": showing CSS/JS source\n" );
674 $this->showCssOrJsPage();
676 } elseif( !wfRunHooks( 'ArticleContentViewCustom',
677 array( $this->fetchContentObject(), $this->getTitle(), $outputPage ) ) ) {
679 # Allow extensions do their own custom view for certain pages
681 } elseif( !ContentHandler
::runLegacyHooks( 'ArticleViewCustom',
682 array( $this->fetchContentObject(), $this->getTitle(), $outputPage ) ) ) {
684 # Allow extensions do their own custom view for certain pages
687 $content = $this->getContentObject();
688 $rt = $content ?
$content->getRedirectChain() : null;
690 wfDebug( __METHOD__
. ": showing redirect=no page\n" );
691 # Viewing a redirect page (e.g. with parameter redirect=no)
692 $outputPage->addHTML( $this->viewRedirect( $rt ) );
693 # Parse just to get categories, displaytitle, etc.
694 $this->mParserOutput
= $content->getParserOutput( $this->getTitle(), $oldid, $parserOptions, false );
695 $outputPage->addParserOutputNoText( $this->mParserOutput
);
701 # Run the parse, protected by a pool counter
702 wfDebug( __METHOD__
. ": doing uncached parse\n" );
704 $poolArticleView = new PoolWorkArticleView( $this->getPage(), $parserOptions,
705 $this->getRevIdFetched(), $useParserCache, $this->getContentObject() );
707 if ( !$poolArticleView->execute() ) {
708 $error = $poolArticleView->getError();
710 $outputPage->clearHTML(); // for release() errors
711 $outputPage->enableClientCache( false );
712 $outputPage->setRobotPolicy( 'noindex,nofollow' );
714 $errortext = $error->getWikiText( false, 'view-pool-error' );
715 $outputPage->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
717 # Connection or timeout error
718 wfProfileOut( __METHOD__
);
722 $this->mParserOutput
= $poolArticleView->getParserOutput();
723 $outputPage->addParserOutput( $this->mParserOutput
);
725 # Don't cache a dirty ParserOutput object
726 if ( $poolArticleView->getIsDirty() ) {
727 $outputPage->setSquidMaxage( 0 );
728 $outputPage->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
733 # Should be unreachable, but just in case...
739 # Get the ParserOutput actually *displayed* here.
740 # Note that $this->mParserOutput is the *current* version output.
741 $pOutput = ( $outputDone instanceof ParserOutput
)
742 ?
$outputDone // object fetched by hook
743 : $this->mParserOutput
;
745 # Adjust title for main page & pages with displaytitle
747 $this->adjustDisplayTitle( $pOutput );
750 # For the main page, overwrite the <title> element with the con-
751 # tents of 'pagetitle-view-mainpage' instead of the default (if
753 # This message always exists because it is in the i18n files
754 if ( $this->getTitle()->isMainPage() ) {
755 $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
756 if ( !$msg->isDisabled() ) {
757 $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
761 # Check for any __NOINDEX__ tags on the page using $pOutput
762 $policy = $this->getRobotPolicy( 'view', $pOutput );
763 $outputPage->setIndexPolicy( $policy['index'] );
764 $outputPage->setFollowPolicy( $policy['follow'] );
766 $this->showViewFooter();
767 $this->mPage
->doViewUpdates( $user );
769 $outputPage->addModules( 'mediawiki.action.view.postEdit' );
771 wfProfileOut( __METHOD__
);
775 * Adjust title for pages with displaytitle, -{T|}- or language conversion
776 * @param $pOutput ParserOutput
778 public function adjustDisplayTitle( ParserOutput
$pOutput ) {
779 # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
780 $titleText = $pOutput->getTitleText();
781 if ( strval( $titleText ) !== '' ) {
782 $this->getContext()->getOutput()->setPageTitle( $titleText );
787 * Show a diff page according to current request variables. For use within
788 * Article::view() only, other callers should use the DifferenceEngine class.
790 * @todo: make protected
792 public function showDiffPage() {
793 $request = $this->getContext()->getRequest();
794 $user = $this->getContext()->getUser();
795 $diff = $request->getVal( 'diff' );
796 $rcid = $request->getVal( 'rcid' );
797 $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
798 $purge = $request->getVal( 'action' ) == 'purge';
799 $unhide = $request->getInt( 'unhide' ) == 1;
800 $oldid = $this->getOldID();
802 $rev = $this->getRevisionFetched();
805 $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' ) );
806 $this->getContext()->getOutput()->addWikiMsg( 'difference-missing-revision', $oldid, 1 );
810 $contentHandler = $rev->getContentHandler();
811 $de = $contentHandler->createDifferenceEngine( $this->getContext(), $oldid, $diff, $rcid, $purge, $unhide );
813 // DifferenceEngine directly fetched the revision:
814 $this->mRevIdFetched
= $de->mNewid
;
815 $de->showDiffPage( $diffOnly );
817 if ( $diff == 0 ||
$diff == $this->mPage
->getLatest() ) {
818 # Run view updates for current revision only
819 $this->mPage
->doViewUpdates( $user );
824 * Show a page view for a page formatted as CSS or JavaScript. To be called by
825 * Article::view() only.
827 * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
830 * @param bool $showCacheHint whether to show a message telling the user to clear the browser cache (default: true).
832 protected function showCssOrJsPage( $showCacheHint = true ) {
833 $outputPage = $this->getContext()->getOutput();
835 if ( $showCacheHint ) {
836 $dir = $this->getContext()->getLanguage()->getDir();
837 $lang = $this->getContext()->getLanguage()->getCode();
839 $outputPage->wrapWikiMsg( "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
843 $this->fetchContentObject();
845 if ( $this->mContentObject
) {
846 // Give hooks a chance to customise the output
847 if ( ContentHandler
::runLegacyHooks( 'ShowRawCssJs', array( $this->mContentObject
, $this->getTitle(), $outputPage ) ) ) {
848 $po = $this->mContentObject
->getParserOutput( $this->getTitle() );
849 $outputPage->addHTML( $po->getText() );
855 * Get the robot policy to be used for the current view
856 * @param string $action the action= GET parameter
857 * @param $pOutput ParserOutput
858 * @return Array the policy that should be set
859 * TODO: actions other than 'view'
861 public function getRobotPolicy( $action, $pOutput ) {
862 global $wgArticleRobotPolicies, $wgNamespaceRobotPolicies, $wgDefaultRobotPolicy;
864 $ns = $this->getTitle()->getNamespace();
866 # Don't index user and user talk pages for blocked users (bug 11443)
867 if ( ( $ns == NS_USER ||
$ns == NS_USER_TALK
) && !$this->getTitle()->isSubpage() ) {
868 $specificTarget = null;
870 $titleText = $this->getTitle()->getText();
871 if ( IP
::isValid( $titleText ) ) {
872 $vagueTarget = $titleText;
874 $specificTarget = $titleText;
876 if ( Block
::newFromTarget( $specificTarget, $vagueTarget ) instanceof Block
) {
878 'index' => 'noindex',
879 'follow' => 'nofollow'
884 if ( $this->mPage
->getID() === 0 ||
$this->getOldID() ) {
885 # Non-articles (special pages etc), and old revisions
887 'index' => 'noindex',
888 'follow' => 'nofollow'
890 } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
891 # Discourage indexing of printable versions, but encourage following
893 'index' => 'noindex',
896 } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
897 # For ?curid=x urls, disallow indexing
899 'index' => 'noindex',
904 # Otherwise, construct the policy based on the various config variables.
905 $policy = self
::formatRobotPolicy( $wgDefaultRobotPolicy );
907 if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
908 # Honour customised robot policies for this namespace
909 $policy = array_merge(
911 self
::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
914 if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
915 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
916 # a final sanity check that we have really got the parser output.
917 $policy = array_merge(
919 array( 'index' => $pOutput->getIndexPolicy() )
923 if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
924 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
925 $policy = array_merge(
927 self
::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
935 * Converts a String robot policy into an associative array, to allow
936 * merging of several policies using array_merge().
937 * @param $policy Mixed, returns empty array on null/false/'', transparent
938 * to already-converted arrays, converts String.
939 * @return Array: 'index' => \<indexpolicy\>, 'follow' => \<followpolicy\>
941 public static function formatRobotPolicy( $policy ) {
942 if ( is_array( $policy ) ) {
944 } elseif ( !$policy ) {
948 $policy = explode( ',', $policy );
949 $policy = array_map( 'trim', $policy );
952 foreach ( $policy as $var ) {
953 if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
954 $arr['index'] = $var;
955 } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
956 $arr['follow'] = $var;
964 * If this request is a redirect view, send "redirected from" subtitle to
965 * the output. Returns true if the header was needed, false if this is not
966 * a redirect view. Handles both local and remote redirects.
970 public function showRedirectedFromHeader() {
971 global $wgRedirectSources;
972 $outputPage = $this->getContext()->getOutput();
974 $rdfrom = $this->getContext()->getRequest()->getVal( 'rdfrom' );
976 if ( isset( $this->mRedirectedFrom
) ) {
977 // This is an internally redirected page view.
978 // We'll need a backlink to the source page for navigation.
979 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
980 $redir = Linker
::linkKnown(
981 $this->mRedirectedFrom
,
984 array( 'redirect' => 'no' )
987 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
989 // Set the fragment if one was specified in the redirect
990 if ( strval( $this->getTitle()->getFragment() ) != '' ) {
991 $fragment = Xml
::escapeJsString( $this->getTitle()->getFragmentForURL() );
992 $outputPage->addInlineScript( "redirectToFragment(\"$fragment\");" );
995 // Add a <link rel="canonical"> tag
996 $outputPage->setCanonicalUrl( $this->getTitle()->getLocalURL() );
998 // Tell the output object that the user arrived at this article through a redirect
999 $outputPage->setRedirectedFrom( $this->mRedirectedFrom
);
1003 } elseif ( $rdfrom ) {
1004 // This is an externally redirected view, from some other wiki.
1005 // If it was reported from a trusted site, supply a backlink.
1006 if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
1007 $redir = Linker
::makeExternalLink( $rdfrom, $rdfrom );
1008 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
1018 * Show a header specific to the namespace currently being viewed, like
1019 * [[MediaWiki:Talkpagetext]]. For Article::view().
1021 public function showNamespaceHeader() {
1022 if ( $this->getTitle()->isTalkPage() ) {
1023 if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
1024 $this->getContext()->getOutput()->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1\n</div>", array( 'talkpageheader' ) );
1030 * Show the footer section of an ordinary page view
1032 public function showViewFooter() {
1033 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1034 if ( $this->getTitle()->getNamespace() == NS_USER_TALK
&& IP
::isValid( $this->getTitle()->getText() ) ) {
1035 $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
1038 # If we have been passed an &rcid= parameter, we want to give the user a
1039 # chance to mark this new article as patrolled.
1040 $this->showPatrolFooter();
1042 wfRunHooks( 'ArticleViewFooter', array( $this ) );
1047 * If patrol is possible, output a patrol UI box. This is called from the
1048 * footer section of ordinary page views. If patrol is not possible or not
1049 * desired, does nothing.
1050 * Side effect: When the patrol link is build, this method will call
1051 * OutputPage::preventClickjacking() and load mediawiki.page.patrol.ajax.
1053 public function showPatrolFooter() {
1054 $request = $this->getContext()->getRequest();
1055 $outputPage = $this->getContext()->getOutput();
1056 $user = $this->getContext()->getUser();
1057 $rcid = $request->getVal( 'rcid' );
1059 if ( !$rcid ||
!$this->getTitle()->quickUserCan( 'patrol', $user ) ) {
1063 $token = $user->getEditToken( $rcid );
1065 $outputPage->preventClickjacking();
1066 $outputPage->addModules( 'mediawiki.page.patrol.ajax' );
1068 $link = Linker
::linkKnown(
1070 wfMessage( 'markaspatrolledtext' )->escaped(),
1073 'action' => 'markpatrolled',
1079 $outputPage->addHTML(
1080 "<div class='patrollink'>" .
1081 wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
1087 * Show the error text for a missing article. For articles in the MediaWiki
1088 * namespace, show the default message text. To be called from Article::view().
1090 public function showMissingArticle() {
1091 global $wgSend404Code;
1092 $outputPage = $this->getContext()->getOutput();
1093 $validUserPage = false;
1095 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1096 if ( $this->getTitle()->getNamespace() == NS_USER ||
$this->getTitle()->getNamespace() == NS_USER_TALK
) {
1097 $parts = explode( '/', $this->getTitle()->getText() );
1098 $rootPart = $parts[0];
1099 $user = User
::newFromName( $rootPart, false /* allow IP users*/ );
1100 $ip = User
::isIP( $rootPart );
1102 if ( !($user && $user->isLoggedIn()) && !$ip ) { # User does not exist
1103 $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
1104 array( 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ) );
1105 } elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
1106 LogEventsList
::showLogExtract(
1109 $user->getUserPage(),
1113 'showIfEmpty' => false,
1115 'blocked-notice-logextract',
1116 $user->getName() # Support GENDER in notice
1120 $validUserPage = true;
1122 $validUserPage = true;
1126 wfRunHooks( 'ShowMissingArticle', array( $this ) );
1128 # Show delete and move logs
1129 LogEventsList
::showLogExtract( $outputPage, array( 'delete', 'move' ), $this->getTitle(), '',
1131 'conds' => array( "log_action != 'revision'" ),
1132 'showIfEmpty' => false,
1133 'msgKey' => array( 'moveddeleted-notice' ) )
1136 if ( !$this->mPage
->hasViewableContent() && $wgSend404Code && !$validUserPage ) {
1137 // If there's no backing content, send a 404 Not Found
1138 // for better machine handling of broken links.
1139 $this->getContext()->getRequest()->response()->header( "HTTP/1.1 404 Not Found" );
1142 $hookResult = wfRunHooks( 'BeforeDisplayNoArticleText', array( $this ) );
1144 if ( ! $hookResult ) {
1148 # Show error message
1149 $oldid = $this->getOldID();
1151 $text = wfMessage( 'missing-revision', $oldid )->plain();
1152 } elseif ( $this->getTitle()->getNamespace() === NS_MEDIAWIKI
) {
1153 // Use the default message text
1154 $text = $this->getTitle()->getDefaultMessageText();
1155 } elseif ( $this->getTitle()->quickUserCan( 'create', $this->getContext()->getUser() )
1156 && $this->getTitle()->quickUserCan( 'edit', $this->getContext()->getUser() )
1158 $text = wfMessage( 'noarticletext' )->plain();
1160 $text = wfMessage( 'noarticletext-nopermission' )->plain();
1162 $text = "<div class='noarticletext'>\n$text\n</div>";
1164 $outputPage->addWikiText( $text );
1168 * If the revision requested for view is deleted, check permissions.
1169 * Send either an error message or a warning header to the output.
1171 * @return boolean true if the view is allowed, false if not.
1173 public function showDeletedRevisionHeader() {
1174 if ( !$this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
1179 $outputPage = $this->getContext()->getOutput();
1180 $user = $this->getContext()->getUser();
1181 // If the user is not allowed to see it...
1182 if ( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
, $user ) ) {
1183 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1184 'rev-deleted-text-permission' );
1187 // If the user needs to confirm that they want to see it...
1188 } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
1189 # Give explanation and add a link to view the revision...
1190 $oldid = intval( $this->getOldID() );
1191 $link = $this->getTitle()->getFullUrl( "oldid={$oldid}&unhide=1" );
1192 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1193 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1194 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1195 array( $msg, $link ) );
1198 // We are allowed to see...
1200 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1201 'rev-suppressed-text-view' : 'rev-deleted-text-view';
1202 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1209 * Generate the navigation links when browsing through an article revisions
1210 * It shows the information as:
1211 * Revision as of \<date\>; view current revision
1212 * \<- Previous version | Next Version -\>
1214 * @param int $oldid revision ID of this article revision
1216 public function setOldSubtitle( $oldid = 0 ) {
1217 if ( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
1221 $unhide = $this->getContext()->getRequest()->getInt( 'unhide' ) == 1;
1223 # Cascade unhide param in links for easy deletion browsing
1224 $extraParams = array();
1226 $extraParams['unhide'] = 1;
1229 if ( $this->mRevision
&& $this->mRevision
->getId() === $oldid ) {
1230 $revision = $this->mRevision
;
1232 $revision = Revision
::newFromId( $oldid );
1235 $timestamp = $revision->getTimestamp();
1237 $current = ( $oldid == $this->mPage
->getLatest() );
1238 $language = $this->getContext()->getLanguage();
1239 $user = $this->getContext()->getUser();
1241 $td = $language->userTimeAndDate( $timestamp, $user );
1242 $tddate = $language->userDate( $timestamp, $user );
1243 $tdtime = $language->userTime( $timestamp, $user );
1245 # Show user links if allowed to see them. If hidden, then show them only if requested...
1246 $userlinks = Linker
::revUserTools( $revision, !$unhide );
1248 $infomsg = $current && !wfMessage( 'revision-info-current' )->isDisabled()
1249 ?
'revision-info-current'
1252 $outputPage = $this->getContext()->getOutput();
1253 $outputPage->addSubtitle( "<div id=\"mw-{$infomsg}\">" . wfMessage( $infomsg,
1254 $td )->rawParams( $userlinks )->params( $revision->getID(), $tddate,
1255 $tdtime, $revision->getUser() )->parse() . "</div>" );
1258 ?
wfMessage( 'currentrevisionlink' )->escaped()
1259 : Linker
::linkKnown(
1261 wfMessage( 'currentrevisionlink' )->escaped(),
1266 ?
wfMessage( 'diff' )->escaped()
1267 : Linker
::linkKnown(
1269 wfMessage( 'diff' )->escaped(),
1276 $prev = $this->getTitle()->getPreviousRevisionID( $oldid );
1278 ? Linker
::linkKnown(
1280 wfMessage( 'previousrevision' )->escaped(),
1283 'direction' => 'prev',
1287 : wfMessage( 'previousrevision' )->escaped();
1289 ? Linker
::linkKnown(
1291 wfMessage( 'diff' )->escaped(),
1298 : wfMessage( 'diff' )->escaped();
1299 $nextlink = $current
1300 ?
wfMessage( 'nextrevision' )->escaped()
1301 : Linker
::linkKnown(
1303 wfMessage( 'nextrevision' )->escaped(),
1306 'direction' => 'next',
1310 $nextdiff = $current
1311 ?
wfMessage( 'diff' )->escaped()
1312 : Linker
::linkKnown(
1314 wfMessage( 'diff' )->escaped(),
1322 $cdel = Linker
::getRevDeleteLink( $user, $revision, $this->getTitle() );
1323 if ( $cdel !== '' ) {
1327 $outputPage->addSubtitle( "<div id=\"mw-revision-nav\">" . $cdel .
1328 wfMessage( 'revision-nav' )->rawParams(
1329 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
1330 )->escaped() . "</div>" );
1336 * @param $target Title|Array of destination(s) to redirect
1337 * @param $appendSubtitle Boolean [optional]
1338 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1339 * @return string containing HMTL with redirect link
1341 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1342 global $wgStylePath;
1344 if ( !is_array( $target ) ) {
1345 $target = array( $target );
1348 $lang = $this->getTitle()->getPageLanguage();
1349 $imageDir = $lang->getDir();
1351 if ( $appendSubtitle ) {
1352 $out = $this->getContext()->getOutput();
1353 $out->addSubtitle( wfMessage( 'redirectpagesub' )->escaped() );
1356 // the loop prepends the arrow image before the link, so the first case needs to be outside
1361 $title = array_shift( $target );
1363 if ( $forceKnown ) {
1364 $link = Linker
::linkKnown( $title, htmlspecialchars( $title->getFullText() ) );
1366 $link = Linker
::link( $title, htmlspecialchars( $title->getFullText() ) );
1369 $nextRedirect = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1370 $alt = $lang->isRTL() ?
'←' : '→';
1371 // Automatically append redirect=no to each link, since most of them are redirect pages themselves.
1372 foreach ( $target as $rt ) {
1373 $link .= Html
::element( 'img', array( 'src' => $nextRedirect, 'alt' => $alt ) );
1374 if ( $forceKnown ) {
1375 $link .= Linker
::linkKnown( $rt, htmlspecialchars( $rt->getFullText(), array(), array( 'redirect' => 'no' ) ) );
1377 $link .= Linker
::link( $rt, htmlspecialchars( $rt->getFullText() ), array(), array( 'redirect' => 'no' ) );
1381 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1382 return '<div class="redirectMsg">' .
1383 Html
::element( 'img', array( 'src' => $imageUrl, 'alt' => '#REDIRECT' ) ) .
1384 '<span class="redirectText">' . $link . '</span></div>';
1388 * Handle action=render
1390 public function render() {
1391 $this->getContext()->getOutput()->setArticleBodyOnly( true );
1396 * action=protect handler
1398 public function protect() {
1399 $form = new ProtectionForm( $this );
1404 * action=unprotect handler (alias)
1406 public function unprotect() {
1411 * UI entry point for page deletion
1413 public function delete() {
1414 # This code desperately needs to be totally rewritten
1416 $title = $this->getTitle();
1417 $user = $this->getContext()->getUser();
1420 $permission_errors = $title->getUserPermissionsErrors( 'delete', $user );
1421 if ( count( $permission_errors ) ) {
1422 throw new PermissionsError( 'delete', $permission_errors );
1425 # Read-only check...
1426 if ( wfReadOnly() ) {
1427 throw new ReadOnlyError
;
1430 # Better double-check that it hasn't been deleted yet!
1431 $this->mPage
->loadPageData( 'fromdbmaster' );
1432 if ( !$this->mPage
->exists() ) {
1433 $deleteLogPage = new LogPage( 'delete' );
1434 $outputPage = $this->getContext()->getOutput();
1435 $outputPage->setPageTitle( wfMessage( 'cannotdelete-title', $title->getPrefixedText() ) );
1436 $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1437 array( 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) )
1439 $outputPage->addHTML(
1440 Xml
::element( 'h2', null, $deleteLogPage->getName()->text() )
1442 LogEventsList
::showLogExtract(
1451 $request = $this->getContext()->getRequest();
1452 $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
1453 $deleteReason = $request->getText( 'wpReason' );
1455 if ( $deleteReasonList == 'other' ) {
1456 $reason = $deleteReason;
1457 } elseif ( $deleteReason != '' ) {
1458 // Entry from drop down menu + additional comment
1459 $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
1460 $reason = $deleteReasonList . $colonseparator . $deleteReason;
1462 $reason = $deleteReasonList;
1465 if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
1466 array( 'delete', $this->getTitle()->getPrefixedText() ) ) )
1468 # Flag to hide all contents of the archived revisions
1469 $suppress = $request->getVal( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
1471 $this->doDelete( $reason, $suppress );
1473 if ( $user->isLoggedIn() && $request->getCheck( 'wpWatch' ) != $user->isWatched( $title ) ) {
1474 if ( $request->getCheck( 'wpWatch' ) ) {
1475 WatchAction
::doWatch( $title, $user );
1477 WatchAction
::doUnwatch( $title, $user );
1484 // Generate deletion reason
1485 $hasHistory = false;
1488 $reason = $this->generateReason( $hasHistory );
1489 } catch ( MWException
$e ) {
1490 # if a page is horribly broken, we still want to be able to delete it. so be lenient about errors here.
1491 wfDebug( "Error while building auto delete summary: $e" );
1496 // If the page has a history, insert a warning
1497 if ( $hasHistory ) {
1498 $revisions = $this->mTitle
->estimateRevisionCount();
1499 // @todo FIXME: i18n issue/patchwork message
1500 $this->getContext()->getOutput()->addHTML( '<strong class="mw-delete-warning-revisions">' .
1501 wfMessage( 'historywarning' )->numParams( $revisions )->parse() .
1502 wfMessage( 'word-separator' )->plain() . Linker
::linkKnown( $title,
1503 wfMessage( 'history' )->escaped(),
1504 array( 'rel' => 'archives' ),
1505 array( 'action' => 'history' ) ) .
1509 if ( $this->mTitle
->isBigDeletion() ) {
1510 global $wgDeleteRevisionsLimit;
1511 $this->getContext()->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1512 array( 'delete-warning-toobig', $this->getContext()->getLanguage()->formatNum( $wgDeleteRevisionsLimit ) ) );
1516 $this->confirmDelete( $reason );
1520 * Output deletion confirmation dialog
1521 * @todo FIXME: Move to another file?
1522 * @param string $reason prefilled reason
1524 public function confirmDelete( $reason ) {
1525 wfDebug( "Article::confirmDelete\n" );
1527 $outputPage = $this->getContext()->getOutput();
1528 $outputPage->setPageTitle( wfMessage( 'delete-confirm', $this->getTitle()->getPrefixedText() ) );
1529 $outputPage->addBacklinkSubtitle( $this->getTitle() );
1530 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1531 $outputPage->addWikiMsg( 'confirmdeletetext' );
1533 wfRunHooks( 'ArticleConfirmDelete', array( $this, $outputPage, &$reason ) );
1535 $user = $this->getContext()->getUser();
1537 if ( $user->isAllowed( 'suppressrevision' ) ) {
1538 $suppress = "<tr id=\"wpDeleteSuppressRow\">
1540 <td class='mw-input'><strong>" .
1541 Xml
::checkLabel( wfMessage( 'revdelete-suppress' )->text(),
1542 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
1548 $checkWatch = $user->getBoolOption( 'watchdeletion' ) ||
$user->isWatched( $this->getTitle() );
1550 $form = Xml
::openElement( 'form', array( 'method' => 'post',
1551 'action' => $this->getTitle()->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
1552 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
1553 Xml
::tags( 'legend', null, wfMessage( 'delete-legend' )->escaped() ) .
1554 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
1555 "<tr id=\"wpDeleteReasonListRow\">
1556 <td class='mw-label'>" .
1557 Xml
::label( wfMessage( 'deletecomment' )->text(), 'wpDeleteReasonList' ) .
1559 <td class='mw-input'>" .
1560 Xml
::listDropDown( 'wpDeleteReasonList',
1561 wfMessage( 'deletereason-dropdown' )->inContentLanguage()->text(),
1562 wfMessage( 'deletereasonotherlist' )->inContentLanguage()->text(), '', 'wpReasonDropDown', 1 ) .
1565 <tr id=\"wpDeleteReasonRow\">
1566 <td class='mw-label'>" .
1567 Xml
::label( wfMessage( 'deleteotherreason' )->text(), 'wpReason' ) .
1569 <td class='mw-input'>" .
1570 Html
::input( 'wpReason', $reason, 'text', array(
1572 'maxlength' => '255',
1580 # Disallow watching if user is not logged in
1581 if ( $user->isLoggedIn() ) {
1585 <td class='mw-input'>" .
1586 Xml
::checkLabel( wfMessage( 'watchthis' )->text(),
1587 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
1596 <td class='mw-submit'>" .
1597 Xml
::submitButton( wfMessage( 'deletepage' )->text(),
1598 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
1601 Xml
::closeElement( 'table' ) .
1602 Xml
::closeElement( 'fieldset' ) .
1603 Html
::hidden( 'wpEditToken', $user->getEditToken( array( 'delete', $this->getTitle()->getPrefixedText() ) ) ) .
1604 Xml
::closeElement( 'form' );
1606 if ( $user->isAllowed( 'editinterface' ) ) {
1607 $title = Title
::makeTitle( NS_MEDIAWIKI
, 'Deletereason-dropdown' );
1608 $link = Linker
::link(
1610 wfMessage( 'delete-edit-reasonlist' )->escaped(),
1612 array( 'action' => 'edit' )
1614 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
1617 $outputPage->addHTML( $form );
1619 $deleteLogPage = new LogPage( 'delete' );
1620 $outputPage->addHTML( Xml
::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1621 LogEventsList
::showLogExtract( $outputPage, 'delete',
1627 * Perform a deletion and output success or failure messages
1629 * @param $suppress bool
1631 public function doDelete( $reason, $suppress = false ) {
1633 $outputPage = $this->getContext()->getOutput();
1634 $status = $this->mPage
->doDeleteArticleReal( $reason, $suppress, 0, true, $error );
1635 if ( $status->isGood() ) {
1636 $deleted = $this->getTitle()->getPrefixedText();
1638 $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
1639 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1641 $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
1643 $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
1644 $outputPage->returnToMain( false );
1646 $outputPage->setPageTitle( wfMessage( 'cannotdelete-title', $this->getTitle()->getPrefixedText() ) );
1647 if ( $error == '' ) {
1648 $outputPage->addWikiText(
1649 "<div class=\"error mw-error-cannotdelete\">\n" . $status->getWikiText() . "\n</div>"
1651 $deleteLogPage = new LogPage( 'delete' );
1652 $outputPage->addHTML( Xml
::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1654 LogEventsList
::showLogExtract(
1660 $outputPage->addHTML( $error );
1665 /* Caching functions */
1668 * checkLastModified returns true if it has taken care of all
1669 * output to the client that is necessary for this request.
1670 * (that is, it has sent a cached version of the page)
1672 * @return boolean true if cached version send, false otherwise
1674 protected function tryFileCache() {
1675 static $called = false;
1678 wfDebug( "Article::tryFileCache(): called twice!?\n" );
1683 if ( $this->isFileCacheable() ) {
1684 $cache = HTMLFileCache
::newFromTitle( $this->getTitle(), 'view' );
1685 if ( $cache->isCacheGood( $this->mPage
->getTouched() ) ) {
1686 wfDebug( "Article::tryFileCache(): about to load file\n" );
1687 $cache->loadFromFileCache( $this->getContext() );
1690 wfDebug( "Article::tryFileCache(): starting buffer\n" );
1691 ob_start( array( &$cache, 'saveToFileCache' ) );
1694 wfDebug( "Article::tryFileCache(): not cacheable\n" );
1701 * Check if the page can be cached
1704 public function isFileCacheable() {
1707 if ( HTMLFileCache
::useFileCache( $this->getContext() ) ) {
1708 $cacheable = $this->mPage
->getID()
1709 && !$this->mRedirectedFrom
&& !$this->getTitle()->isRedirect();
1710 // Extension may have reason to disable file caching on some pages.
1712 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
1722 * Lightweight method to get the parser output for a page, checking the parser cache
1723 * and so on. Doesn't consider most of the stuff that WikiPage::view is forced to
1724 * consider, so it's not appropriate to use there.
1726 * @since 1.16 (r52326) for LiquidThreads
1728 * @param $oldid mixed integer Revision ID or null
1729 * @param $user User The relevant user
1730 * @return ParserOutput or false if the given revsion ID is not found
1732 public function getParserOutput( $oldid = null, User
$user = null ) {
1733 //XXX: bypasses mParserOptions and thus setParserOptions()
1735 if ( $user === null ) {
1736 $parserOptions = $this->getParserOptions();
1738 $parserOptions = $this->mPage
->makeParserOptions( $user );
1741 return $this->mPage
->getParserOutput( $parserOptions, $oldid );
1745 * Override the ParserOptions used to render the primary article wikitext.
1747 * @param ParserOptions $options
1748 * @throws MWException if the parser options where already initialized.
1750 public function setParserOptions( ParserOptions
$options ) {
1751 if ( $this->mParserOptions
) {
1752 throw new MWException( "can't change parser options after they have already been set" );
1755 // clone, so if $options is modified later, it doesn't confuse the parser cache.
1756 $this->mParserOptions
= clone $options;
1760 * Get parser options suitable for rendering the primary article wikitext
1761 * @return ParserOptions
1763 public function getParserOptions() {
1764 if ( !$this->mParserOptions
) {
1765 $this->mParserOptions
= $this->mPage
->makeParserOptions( $this->getContext() );
1767 // Clone to allow modifications of the return value without affecting cache
1768 return clone $this->mParserOptions
;
1772 * Sets the context this Article is executed in
1774 * @param $context IContextSource
1777 public function setContext( $context ) {
1778 $this->mContext
= $context;
1782 * Gets the context this Article is executed in
1784 * @return IContextSource
1787 public function getContext() {
1788 if ( $this->mContext
instanceof IContextSource
) {
1789 return $this->mContext
;
1791 wfDebug( __METHOD__
. " called and \$mContext is null. Return RequestContext::getMain(); for sanity\n" );
1792 return RequestContext
::getMain();
1797 * Info about this page
1798 * @deprecated since 1.19
1800 public function info() {
1801 wfDeprecated( __METHOD__
, '1.19' );
1802 Action
::factory( 'info', $this )->show();
1806 * Mark this particular edit/page as patrolled
1807 * @deprecated since 1.18
1809 public function markpatrolled() {
1810 wfDeprecated( __METHOD__
, '1.18' );
1811 Action
::factory( 'markpatrolled', $this )->show();
1815 * Handle action=purge
1816 * @deprecated since 1.19
1817 * @return Action|bool|null false if the action is disabled, null if it is not recognised
1819 public function purge() {
1820 return Action
::factory( 'purge', $this )->show();
1824 * Handle action=revert
1825 * @deprecated since 1.19
1827 public function revert() {
1828 wfDeprecated( __METHOD__
, '1.19' );
1829 Action
::factory( 'revert', $this )->show();
1833 * Handle action=rollback
1834 * @deprecated since 1.19
1836 public function rollback() {
1837 wfDeprecated( __METHOD__
, '1.19' );
1838 Action
::factory( 'rollback', $this )->show();
1842 * User-interface handler for the "watch" action.
1843 * Requires Request to pass a token as of 1.18.
1844 * @deprecated since 1.18
1846 public function watch() {
1847 wfDeprecated( __METHOD__
, '1.18' );
1848 Action
::factory( 'watch', $this )->show();
1852 * Add this page to the current user's watchlist
1854 * This is safe to be called multiple times
1856 * @return bool true on successful watch operation
1857 * @deprecated since 1.18
1859 public function doWatch() {
1860 wfDeprecated( __METHOD__
, '1.18' );
1861 return WatchAction
::doWatch( $this->getTitle(), $this->getContext()->getUser() );
1865 * User interface handler for the "unwatch" action.
1866 * Requires Request to pass a token as of 1.18.
1867 * @deprecated since 1.18
1869 public function unwatch() {
1870 wfDeprecated( __METHOD__
, '1.18' );
1871 Action
::factory( 'unwatch', $this )->show();
1875 * Stop watching a page
1876 * @return bool true on successful unwatch
1877 * @deprecated since 1.18
1879 public function doUnwatch() {
1880 wfDeprecated( __METHOD__
, '1.18' );
1881 return WatchAction
::doUnwatch( $this->getTitle(), $this->getContext()->getUser() );
1885 * Output a redirect back to the article.
1886 * This is typically used after an edit.
1888 * @deprecated in 1.18; call OutputPage::redirect() directly
1889 * @param $noRedir Boolean: add redirect=no
1890 * @param string $sectionAnchor section to redirect to, including "#"
1891 * @param string $extraQuery extra query params
1893 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
1894 wfDeprecated( __METHOD__
, '1.18' );
1896 $query = 'redirect=no';
1897 if ( $extraQuery ) {
1898 $query .= "&$extraQuery";
1901 $query = $extraQuery;
1904 $this->getContext()->getOutput()->redirect( $this->getTitle()->getFullURL( $query ) . $sectionAnchor );
1908 * Use PHP's magic __get handler to handle accessing of
1909 * raw WikiPage fields for backwards compatibility.
1911 * @param string $fname Field name
1913 public function __get( $fname ) {
1914 if ( property_exists( $this->mPage
, $fname ) ) {
1915 #wfWarn( "Access to raw $fname field " . __CLASS__ );
1916 return $this->mPage
->$fname;
1918 trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE
);
1922 * Use PHP's magic __set handler to handle setting of
1923 * raw WikiPage fields for backwards compatibility.
1925 * @param string $fname Field name
1926 * @param $fvalue mixed New value
1928 public function __set( $fname, $fvalue ) {
1929 if ( property_exists( $this->mPage
, $fname ) ) {
1930 #wfWarn( "Access to raw $fname field of " . __CLASS__ );
1931 $this->mPage
->$fname = $fvalue;
1932 // Note: extensions may want to toss on new fields
1933 } elseif ( !in_array( $fname, array( 'mContext', 'mPage' ) ) ) {
1934 $this->mPage
->$fname = $fvalue;
1936 trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE
);
1941 * Use PHP's magic __call handler to transform instance calls to
1942 * WikiPage functions for backwards compatibility.
1944 * @param string $fname Name of called method
1945 * @param array $args Arguments to the method
1948 public function __call( $fname, $args ) {
1949 if ( is_callable( array( $this->mPage
, $fname ) ) ) {
1950 #wfWarn( "Call to " . __CLASS__ . "::$fname; please use WikiPage instead" );
1951 return call_user_func_array( array( $this->mPage
, $fname ), $args );
1953 trigger_error( 'Inaccessible function via __call(): ' . $fname, E_USER_ERROR
);
1956 // ****** B/C functions to work-around PHP silliness with __call and references ****** //
1959 * @param $limit array
1960 * @param $expiry array
1961 * @param $cascade bool
1962 * @param $reason string
1966 public function doUpdateRestrictions( array $limit, array $expiry, &$cascade, $reason, User
$user ) {
1967 return $this->mPage
->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
1971 * @param $limit array
1972 * @param $reason string
1973 * @param $cascade int
1974 * @param $expiry array
1977 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
1978 return $this->mPage
->doUpdateRestrictions(
1983 $this->getContext()->getUser()
1988 * @param $reason string
1989 * @param $suppress bool
1991 * @param $commit bool
1992 * @param $error string
1995 public function doDeleteArticle( $reason, $suppress = false, $id = 0, $commit = true, &$error = '' ) {
1996 return $this->mPage
->doDeleteArticle( $reason, $suppress, $id, $commit, $error );
2004 * @param $resultDetails
2008 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User
$user = null ) {
2009 $user = is_null( $user ) ?
$this->getContext()->getUser() : $user;
2010 return $this->mPage
->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
2017 * @param $resultDetails
2018 * @param $guser User
2021 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser = null ) {
2022 $guser = is_null( $guser ) ?
$this->getContext()->getUser() : $guser;
2023 return $this->mPage
->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
2027 * @param $hasHistory bool
2030 public function generateReason( &$hasHistory ) {
2031 $title = $this->mPage
->getTitle();
2032 $handler = ContentHandler
::getForTitle( $title );
2033 return $handler->getAutoDeleteReason( $title, $hasHistory );
2036 // ****** B/C functions for static methods ( __callStatic is PHP>=5.3 ) ****** //
2041 public static function selectFields() {
2042 return WikiPage
::selectFields();
2046 * @param $title Title
2048 public static function onArticleCreate( $title ) {
2049 WikiPage
::onArticleCreate( $title );
2053 * @param $title Title
2055 public static function onArticleDelete( $title ) {
2056 WikiPage
::onArticleDelete( $title );
2060 * @param $title Title
2062 public static function onArticleEdit( $title ) {
2063 WikiPage
::onArticleEdit( $title );
2071 * @deprecated since 1.21, use ContentHandler::getAutosummary() instead
2073 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2074 return WikiPage
::getAutosummary( $oldtext, $newtext, $flags );