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
extends 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 $id Int 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.WD; use getContentObject() instead
243 * @return string Return the text of this revision
245 public function getContent() {
246 wfDeprecated( __METHOD__
, '1.WD' );
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 * @todo: FIXME: this should really be protected, all callers should be changed to use WikiPage::getContent() instead.
268 public function getContentObject() {
270 wfProfileIn( __METHOD__
);
272 if ( $this->mPage
->getID() === 0 ) {
273 # If this is a MediaWiki:x message, then load the messages
274 # and return the message value for x.
275 if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI
) {
276 $text = $this->getTitle()->getDefaultMessageText();
277 if ( $text === false ) {
281 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
283 $message = $this->getContext()->getUser()->isLoggedIn() ?
'noarticletext' : 'noarticletextanon';
284 $content = new MessageContent( $message, null, 'parsemag' );
286 wfProfileOut( __METHOD__
);
290 $this->fetchContentObject();
291 wfProfileOut( __METHOD__
);
293 return $this->mContentObject
;
298 * @return int The oldid of the article that is to be shown, 0 for the
301 public function getOldID() {
302 if ( is_null( $this->mOldId
) ) {
303 $this->mOldId
= $this->getOldIDFromRequest();
306 return $this->mOldId
;
310 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
312 * @return int The old id for the request
314 public function getOldIDFromRequest() {
315 $this->mRedirectUrl
= false;
317 $request = $this->getContext()->getRequest();
318 $oldid = $request->getIntOrNull( 'oldid' );
320 if ( $oldid === null ) {
324 if ( $oldid !== 0 ) {
325 # Load the given revision and check whether the page is another one.
326 # In that case, update this instance to reflect the change.
327 if ( $oldid === $this->mPage
->getLatest() ) {
328 $this->mRevision
= $this->mPage
->getRevision();
330 $this->mRevision
= Revision
::newFromId( $oldid );
331 if ( $this->mRevision
!== null ) {
332 // Revision title doesn't match the page title given?
333 if ( $this->mPage
->getID() != $this->mRevision
->getPage() ) {
334 $function = array( get_class( $this->mPage
), 'newFromID' );
335 $this->mPage
= call_user_func( $function, $this->mRevision
->getPage() );
341 if ( $request->getVal( 'direction' ) == 'next' ) {
342 $nextid = $this->getTitle()->getNextRevisionID( $oldid );
345 $this->mRevision
= null;
347 $this->mRedirectUrl
= $this->getTitle()->getFullURL( 'redirect=no' );
349 } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
350 $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
353 $this->mRevision
= null;
361 * Load the revision (including text) into this object
363 * @deprecated in 1.19; use fetchContent()
365 function loadContent() {
366 wfDeprecated( __METHOD__
, '1.19' );
367 $this->fetchContent();
371 * Get text of an article from database
372 * Does *NOT* follow redirects.
375 * @note this is really internal functionality that should really NOT be used by other functions. For accessing
376 * article content, use the WikiPage class, especially WikiBase::getContent(). However, a lot of legacy code
377 * uses this method to retrieve page text from the database, so the function has to remain public for now.
379 * @return mixed string containing article contents, or false if null
380 * @deprecated in 1.WD, use WikiPage::getContent() instead
382 function fetchContent() { #BC cruft!
383 wfDeprecated( __METHOD__
, '1.WD' );
385 if ( $this->mContentLoaded
&& $this->mContent
) {
386 return $this->mContent
;
389 wfProfileIn( __METHOD__
);
391 $content = $this->fetchContentObject();
393 $this->mContent
= ContentHandler
::getContentText( $content ); #@todo: get rid of mContent everywhere!
394 ContentHandler
::runLegacyHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) );
396 wfProfileOut( __METHOD__
);
398 return $this->mContent
;
403 * Get text content object
404 * Does *NOT* follow redirects.
405 * TODO: when is this null?
407 * @note code that wants to retrieve page content from the database should use WikiPage::getContent().
409 * @return Content|null
413 protected function fetchContentObject() {
414 if ( $this->mContentLoaded
) {
415 return $this->mContentObject
;
418 wfProfileIn( __METHOD__
);
420 $this->mContentLoaded
= true;
421 $this->mContent
= null;
423 $oldid = $this->getOldID();
425 # Pre-fill content with error message so that if something
426 # fails we'll have something telling us what we intended.
427 // @todo: this isn't page content but a UI message. horrible.
428 $this->mContentObject
= new MessageContent( 'missing-revision', array( $oldid ), array() ) ;
431 # $this->mRevision might already be fetched by getOldIDFromRequest()
432 if ( !$this->mRevision
) {
433 $this->mRevision
= Revision
::newFromId( $oldid );
434 if ( !$this->mRevision
) {
435 wfDebug( __METHOD__
. " failed to retrieve specified revision, id $oldid\n" );
436 wfProfileOut( __METHOD__
);
441 if ( !$this->mPage
->getLatest() ) {
442 wfDebug( __METHOD__
. " failed to find page data for title " . $this->getTitle()->getPrefixedText() . "\n" );
443 wfProfileOut( __METHOD__
);
447 $this->mRevision
= $this->mPage
->getRevision();
449 if ( !$this->mRevision
) {
450 wfDebug( __METHOD__
. " failed to retrieve current page, rev_id " . $this->mPage
->getLatest() . "\n" );
451 wfProfileOut( __METHOD__
);
456 // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
457 // We should instead work with the Revision object when we need it...
458 $this->mContentObject
= $this->mRevision
->getContent( Revision
::FOR_THIS_USER
); // Loads if user is allowed
459 $this->mRevIdFetched
= $this->mRevision
->getId();
461 wfRunHooks( 'ArticleAfterFetchContentObject', array( &$this, &$this->mContentObject
) );
463 wfProfileOut( __METHOD__
);
465 return $this->mContentObject
;
470 * @deprecated since 1.18
472 public function forUpdate() {
473 wfDeprecated( __METHOD__
, '1.18' );
477 * Returns true if the currently-referenced revision is the current edit
478 * to this page (and it exists).
481 public function isCurrent() {
482 # If no oldid, this is the current version.
483 if ( $this->getOldID() == 0 ) {
487 return $this->mPage
->exists() && $this->mRevision
&& $this->mRevision
->isCurrent();
491 * Get the fetched Revision object depending on request parameters or null
495 * @return Revision|null
497 public function getRevisionFetched() {
498 $this->fetchContentObject();
500 return $this->mRevision
;
504 * Use this to fetch the rev ID used on page views
506 * @return int revision ID of last article revision
508 public function getRevIdFetched() {
509 if ( $this->mRevIdFetched
) {
510 return $this->mRevIdFetched
;
512 return $this->mPage
->getLatest();
517 * This is the default action of the index.php entry point: just view the
518 * page of the given title.
520 public function view() {
521 global $wgParser, $wgUseFileCache, $wgUseETag, $wgDebugToolbar;
523 wfProfileIn( __METHOD__
);
525 # Get variables from query string
526 # As side effect this will load the revision and update the title
527 # in a revision ID is passed in the request, so this should remain
528 # the first call of this method even if $oldid is used way below.
529 $oldid = $this->getOldID();
531 $user = $this->getContext()->getUser();
532 # Another whitelist check in case getOldID() is altering the title
533 $permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $user );
534 if ( count( $permErrors ) ) {
535 wfDebug( __METHOD__
. ": denied on secondary read check\n" );
536 wfProfileOut( __METHOD__
);
537 throw new PermissionsError( 'read', $permErrors );
540 $outputPage = $this->getContext()->getOutput();
541 # getOldID() may as well want us to redirect somewhere else
542 if ( $this->mRedirectUrl
) {
543 $outputPage->redirect( $this->mRedirectUrl
);
544 wfDebug( __METHOD__
. ": redirecting due to oldid\n" );
545 wfProfileOut( __METHOD__
);
550 # If we got diff in the query, we want to see a diff page instead of the article.
551 if ( $this->getContext()->getRequest()->getCheck( 'diff' ) ) {
552 wfDebug( __METHOD__
. ": showing diff page\n" );
553 $this->showDiffPage();
554 wfProfileOut( __METHOD__
);
559 # Set page title (may be overridden by DISPLAYTITLE)
560 $outputPage->setPageTitle( $this->getTitle()->getPrefixedText() );
562 $outputPage->setArticleFlag( true );
563 # Allow frames by default
564 $outputPage->allowClickjacking();
566 $parserCache = ParserCache
::singleton();
568 $parserOptions = $this->getParserOptions();
569 # Render printable version, use printable version cache
570 if ( $outputPage->isPrintable() ) {
571 $parserOptions->setIsPrintable( true );
572 $parserOptions->setEditSection( false );
573 } elseif ( !$this->isCurrent() ||
!$this->getTitle()->quickUserCan( 'edit', $user ) ) {
574 $parserOptions->setEditSection( false );
577 # Try client and file cache
578 if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage
->checkTouched() ) {
580 $outputPage->setETag( $parserCache->getETag( $this, $parserOptions ) );
583 # Is it client cached?
584 if ( $outputPage->checkLastModified( $this->mPage
->getTouched() ) ) {
585 wfDebug( __METHOD__
. ": done 304\n" );
586 wfProfileOut( __METHOD__
);
590 } elseif ( $wgUseFileCache && $this->tryFileCache() ) {
591 wfDebug( __METHOD__
. ": done file cache\n" );
592 # tell wgOut that output is taken care of
593 $outputPage->disable();
594 $this->mPage
->doViewUpdates( $user );
595 wfProfileOut( __METHOD__
);
601 # Should the parser cache be used?
602 $useParserCache = $this->mPage
->isParserCacheUsed( $parserOptions, $oldid );
603 wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
604 if ( $user->getStubThreshold() ) {
605 wfIncrStats( 'pcache_miss_stub' );
608 $this->showRedirectedFromHeader();
609 $this->showNamespaceHeader();
611 # Iterate through the possible ways of constructing the output text.
612 # Keep going until $outputDone is set, or we run out of things to do.
615 $this->mParserOutput
= false;
617 while ( !$outputDone && ++
$pass ) {
620 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
623 # Early abort if the page doesn't exist
624 if ( !$this->mPage
->exists() ) {
625 wfDebug( __METHOD__
. ": showing missing article\n" );
626 $this->showMissingArticle();
627 wfProfileOut( __METHOD__
);
631 # Try the parser cache
632 if ( $useParserCache ) {
633 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
635 if ( $this->mParserOutput
!== false ) {
637 wfDebug( __METHOD__
. ": showing parser cache contents for current rev permalink\n" );
638 $this->setOldSubtitle( $oldid );
640 wfDebug( __METHOD__
. ": showing parser cache contents\n" );
642 $outputPage->addParserOutput( $this->mParserOutput
);
643 # Ensure that UI elements requiring revision ID have
644 # the correct version information.
645 $outputPage->setRevisionId( $this->mPage
->getLatest() );
646 # Preload timestamp to avoid a DB hit
647 $cachedTimestamp = $this->mParserOutput
->getTimestamp();
648 if ( $cachedTimestamp !== null ) {
649 $outputPage->setRevisionTimestamp( $cachedTimestamp );
650 $this->mPage
->setTimestamp( $cachedTimestamp );
657 # This will set $this->mRevision if needed
658 $this->fetchContentObject();
660 # Are we looking at an old revision
661 if ( $oldid && $this->mRevision
) {
662 $this->setOldSubtitle( $oldid );
664 if ( !$this->showDeletedRevisionHeader() ) {
665 wfDebug( __METHOD__
. ": cannot view deleted revision\n" );
666 wfProfileOut( __METHOD__
);
671 # Ensure that UI elements requiring revision ID have
672 # the correct version information.
673 $outputPage->setRevisionId( $this->getRevIdFetched() );
674 # Preload timestamp to avoid a DB hit
675 $outputPage->setRevisionTimestamp( $this->getTimestamp() );
677 # Pages containing custom CSS or JavaScript get special treatment
678 if ( $this->getTitle()->isCssOrJsPage() ||
$this->getTitle()->isCssJsSubpage() ) {
679 wfDebug( __METHOD__
. ": showing CSS/JS source\n" );
680 $this->showCssOrJsPage();
682 } elseif( !wfRunHooks( 'ArticleContentViewCustom',
683 array( $this->fetchContentObject(), $this->getTitle(),
686 # Allow extensions do their own custom view for certain pages
688 } elseif( !ContentHandler
::runLegacyHooks( 'ArticleViewCustom',
689 array( $this->fetchContentObject(), $this->getTitle(),
692 # Allow extensions do their own custom view for certain pages
695 $content = $this->getContentObject();
696 $rt = $content->getRedirectChain();
698 wfDebug( __METHOD__
. ": showing redirect=no page\n" );
699 # Viewing a redirect page (e.g. with parameter redirect=no)
700 $outputPage->addHTML( $this->viewRedirect( $rt ) );
701 # Parse just to get categories, displaytitle, etc.
702 $this->mParserOutput
= $content->getParserOutput( $this->getTitle(), $oldid,
703 $parserOptions, false );
704 $outputPage->addParserOutputNoText( $this->mParserOutput
);
710 # Run the parse, protected by a pool counter
711 wfDebug( __METHOD__
. ": doing uncached parse\n" );
713 // @todo: shouldn't we be passing $this->getPage() to PoolWorkArticleView instead of plain $this?
714 $poolArticleView = new PoolWorkArticleView( $this, $parserOptions,
715 $this->getRevIdFetched(), $useParserCache, $this->getContentObject(), $this->getContext() );
717 if ( !$poolArticleView->execute() ) {
718 $error = $poolArticleView->getError();
720 $outputPage->clearHTML(); // for release() errors
721 $outputPage->enableClientCache( false );
722 $outputPage->setRobotPolicy( 'noindex,nofollow' );
724 $errortext = $error->getWikiText( false, 'view-pool-error' );
725 $outputPage->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
727 # Connection or timeout error
728 wfProfileOut( __METHOD__
);
732 $this->mParserOutput
= $poolArticleView->getParserOutput();
733 $outputPage->addParserOutput( $this->mParserOutput
);
735 # Don't cache a dirty ParserOutput object
736 if ( $poolArticleView->getIsDirty() ) {
737 $outputPage->setSquidMaxage( 0 );
738 $outputPage->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
743 # Should be unreachable, but just in case...
749 # Get the ParserOutput actually *displayed* here.
750 # Note that $this->mParserOutput is the *current* version output.
751 $pOutput = ( $outputDone instanceof ParserOutput
)
752 ?
$outputDone // object fetched by hook
753 : $this->mParserOutput
;
755 # Adjust title for main page & pages with displaytitle
757 $this->adjustDisplayTitle( $pOutput );
760 # For the main page, overwrite the <title> element with the con-
761 # tents of 'pagetitle-view-mainpage' instead of the default (if
763 # This message always exists because it is in the i18n files
764 if ( $this->getTitle()->isMainPage() ) {
765 $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
766 if ( !$msg->isDisabled() ) {
767 $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
771 # Check for any __NOINDEX__ tags on the page using $pOutput
772 $policy = $this->getRobotPolicy( 'view', $pOutput );
773 $outputPage->setIndexPolicy( $policy['index'] );
774 $outputPage->setFollowPolicy( $policy['follow'] );
776 $this->showViewFooter();
777 $this->mPage
->doViewUpdates( $user );
779 wfProfileOut( __METHOD__
);
783 * Adjust title for pages with displaytitle, -{T|}- or language conversion
784 * @param $pOutput ParserOutput
786 public function adjustDisplayTitle( ParserOutput
$pOutput ) {
787 # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
788 $titleText = $pOutput->getTitleText();
789 if ( strval( $titleText ) !== '' ) {
790 $this->getContext()->getOutput()->setPageTitle( $titleText );
795 * Show a diff page according to current request variables. For use within
796 * Article::view() only, other callers should use the DifferenceEngine class.
798 public function showDiffPage() {
799 $request = $this->getContext()->getRequest();
800 $user = $this->getContext()->getUser();
801 $diff = $request->getVal( 'diff' );
802 $rcid = $request->getVal( 'rcid' );
803 $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
804 $purge = $request->getVal( 'action' ) == 'purge';
805 $unhide = $request->getInt( 'unhide' ) == 1;
806 $oldid = $this->getOldID();
808 $contentHandler = ContentHandler
::getForTitle( $this->getTitle() );
809 $de = $contentHandler->createDifferenceEngine( $this->getContext(), $oldid, $diff, $rcid, $purge, $unhide );
811 // DifferenceEngine directly fetched the revision:
812 $this->mRevIdFetched
= $de->mNewid
;
813 $de->showDiffPage( $diffOnly );
815 if ( $diff == 0 ||
$diff == $this->mPage
->getLatest() ) {
816 # Run view updates for current revision only
817 $this->mPage
->doViewUpdates( $user );
822 * Show a page view for a page formatted as CSS or JavaScript. To be called by
823 * Article::view() only.
825 * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
828 protected function showCssOrJsPage( $showCacheHint = true ) {
831 if ( $showCacheHint ) {
832 $dir = $this->getContext()->getLanguage()->getDir();
833 $lang = $this->getContext()->getLanguage()->getCode();
835 $wgOut->wrapWikiMsg( "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
839 // Give hooks a chance to customise the output
840 if ( ContentHandler
::runLegacyHooks( 'ShowRawCssJs', array( $this->fetchContentObject(), $this->getTitle(), $wgOut ) ) ) {
841 $po = $this->mContentObject
->getParserOutput( $this->getTitle() );
842 $wgOut->addHTML( $po->getText() );
847 * Get the robot policy to be used for the current view
848 * @param $action String the action= GET parameter
849 * @param $pOutput ParserOutput
850 * @return Array the policy that should be set
851 * TODO: actions other than 'view'
853 public function getRobotPolicy( $action, $pOutput ) {
854 global $wgArticleRobotPolicies, $wgNamespaceRobotPolicies, $wgDefaultRobotPolicy;
856 $ns = $this->getTitle()->getNamespace();
858 if ( $ns == NS_USER ||
$ns == NS_USER_TALK
) {
859 # Don't index user and user talk pages for blocked users (bug 11443)
860 if ( !$this->getTitle()->isSubpage() ) {
861 if ( Block
::newFromTarget( null, $this->getTitle()->getText() ) instanceof Block
) {
863 'index' => 'noindex',
864 'follow' => 'nofollow'
870 if ( $this->mPage
->getID() === 0 ||
$this->getOldID() ) {
871 # Non-articles (special pages etc), and old revisions
873 'index' => 'noindex',
874 'follow' => 'nofollow'
876 } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
877 # Discourage indexing of printable versions, but encourage following
879 'index' => 'noindex',
882 } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
883 # For ?curid=x urls, disallow indexing
885 'index' => 'noindex',
890 # Otherwise, construct the policy based on the various config variables.
891 $policy = self
::formatRobotPolicy( $wgDefaultRobotPolicy );
893 if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
894 # Honour customised robot policies for this namespace
895 $policy = array_merge(
897 self
::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
900 if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
901 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
902 # a final sanity check that we have really got the parser output.
903 $policy = array_merge(
905 array( 'index' => $pOutput->getIndexPolicy() )
909 if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
910 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
911 $policy = array_merge(
913 self
::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
921 * Converts a String robot policy into an associative array, to allow
922 * merging of several policies using array_merge().
923 * @param $policy Mixed, returns empty array on null/false/'', transparent
924 * to already-converted arrays, converts String.
925 * @return Array: 'index' => \<indexpolicy\>, 'follow' => \<followpolicy\>
927 public static function formatRobotPolicy( $policy ) {
928 if ( is_array( $policy ) ) {
930 } elseif ( !$policy ) {
934 $policy = explode( ',', $policy );
935 $policy = array_map( 'trim', $policy );
938 foreach ( $policy as $var ) {
939 if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
940 $arr['index'] = $var;
941 } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
942 $arr['follow'] = $var;
950 * If this request is a redirect view, send "redirected from" subtitle to
951 * the output. Returns true if the header was needed, false if this is not
952 * a redirect view. Handles both local and remote redirects.
956 public function showRedirectedFromHeader() {
957 global $wgRedirectSources;
958 $outputPage = $this->getContext()->getOutput();
960 $rdfrom = $this->getContext()->getRequest()->getVal( 'rdfrom' );
962 if ( isset( $this->mRedirectedFrom
) ) {
963 // This is an internally redirected page view.
964 // We'll need a backlink to the source page for navigation.
965 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
966 $redir = Linker
::linkKnown(
967 $this->mRedirectedFrom
,
970 array( 'redirect' => 'no' )
973 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
975 // Set the fragment if one was specified in the redirect
976 if ( strval( $this->getTitle()->getFragment() ) != '' ) {
977 $fragment = Xml
::escapeJsString( $this->getTitle()->getFragmentForURL() );
978 $outputPage->addInlineScript( "redirectToFragment(\"$fragment\");" );
981 // Add a <link rel="canonical"> tag
982 $outputPage->addLink( array( 'rel' => 'canonical',
983 'href' => $this->getTitle()->getLocalURL() )
986 // Tell the output object that the user arrived at this article through a redirect
987 $outputPage->setRedirectedFrom( $this->mRedirectedFrom
);
991 } elseif ( $rdfrom ) {
992 // This is an externally redirected view, from some other wiki.
993 // If it was reported from a trusted site, supply a backlink.
994 if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
995 $redir = Linker
::makeExternalLink( $rdfrom, $rdfrom );
996 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
1006 * Show a header specific to the namespace currently being viewed, like
1007 * [[MediaWiki:Talkpagetext]]. For Article::view().
1009 public function showNamespaceHeader() {
1010 if ( $this->getTitle()->isTalkPage() ) {
1011 if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
1012 $this->getContext()->getOutput()->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1\n</div>", array( 'talkpageheader' ) );
1018 * Show the footer section of an ordinary page view
1020 public function showViewFooter() {
1021 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1022 if ( $this->getTitle()->getNamespace() == NS_USER_TALK
&& IP
::isValid( $this->getTitle()->getText() ) ) {
1023 $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
1026 # If we have been passed an &rcid= parameter, we want to give the user a
1027 # chance to mark this new article as patrolled.
1028 $this->showPatrolFooter();
1030 wfRunHooks( 'ArticleViewFooter', array( $this ) );
1035 * If patrol is possible, output a patrol UI box. This is called from the
1036 * footer section of ordinary page views. If patrol is not possible or not
1037 * desired, does nothing.
1039 public function showPatrolFooter() {
1040 $request = $this->getContext()->getRequest();
1041 $outputPage = $this->getContext()->getOutput();
1042 $user = $this->getContext()->getUser();
1043 $rcid = $request->getVal( 'rcid' );
1045 if ( !$rcid ||
!$this->getTitle()->quickUserCan( 'patrol', $user ) ) {
1049 $token = $user->getEditToken( $rcid );
1050 $outputPage->preventClickjacking();
1052 $link = Linker
::linkKnown(
1054 wfMessage( 'markaspatrolledtext' )->escaped(),
1057 'action' => 'markpatrolled',
1063 $outputPage->addHTML(
1064 "<div class='patrollink'>" .
1065 wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
1071 * Show the error text for a missing article. For articles in the MediaWiki
1072 * namespace, show the default message text. To be called from Article::view().
1074 public function showMissingArticle() {
1075 global $wgSend404Code;
1076 $outputPage = $this->getContext()->getOutput();
1078 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1079 if ( $this->getTitle()->getNamespace() == NS_USER ||
$this->getTitle()->getNamespace() == NS_USER_TALK
) {
1080 $parts = explode( '/', $this->getTitle()->getText() );
1081 $rootPart = $parts[0];
1082 $user = User
::newFromName( $rootPart, false /* allow IP users*/ );
1083 $ip = User
::isIP( $rootPart );
1085 if ( !($user && $user->isLoggedIn()) && !$ip ) { # User does not exist
1086 $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
1087 array( 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ) );
1088 } elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
1089 LogEventsList
::showLogExtract(
1092 $user->getUserPage(),
1096 'showIfEmpty' => false,
1098 'blocked-notice-logextract',
1099 $user->getName() # Support GENDER in notice
1106 wfRunHooks( 'ShowMissingArticle', array( $this ) );
1108 # Show delete and move logs
1109 LogEventsList
::showLogExtract( $outputPage, array( 'delete', 'move' ), $this->getTitle(), '',
1111 'conds' => array( "log_action != 'revision'" ),
1112 'showIfEmpty' => false,
1113 'msgKey' => array( 'moveddeleted-notice' ) )
1116 if ( !$this->mPage
->hasViewableContent() && $wgSend404Code ) {
1117 // If there's no backing content, send a 404 Not Found
1118 // for better machine handling of broken links.
1119 $this->getContext()->getRequest()->response()->header( "HTTP/1.1 404 Not Found" );
1122 $hookResult = wfRunHooks( 'BeforeDisplayNoArticleText', array( $this ) );
1124 if ( ! $hookResult ) {
1128 # Show error message
1129 $oldid = $this->getOldID();
1131 $text = wfMessage( 'missing-revision', $oldid )->plain();
1132 } elseif ( $this->getTitle()->getNamespace() === NS_MEDIAWIKI
) {
1133 // Use the default message text
1134 $text = $this->getTitle()->getDefaultMessageText();
1135 } elseif ( $this->getTitle()->quickUserCan( 'create', $this->getContext()->getUser() )
1136 && $this->getTitle()->quickUserCan( 'edit', $this->getContext()->getUser() )
1138 $text = wfMessage( 'noarticletext' )->plain();
1140 $text = wfMessage( 'noarticletext-nopermission' )->plain();
1142 $text = "<div class='noarticletext'>\n$text\n</div>";
1144 $outputPage->addWikiText( $text );
1148 * If the revision requested for view is deleted, check permissions.
1149 * Send either an error message or a warning header to the output.
1151 * @return boolean true if the view is allowed, false if not.
1153 public function showDeletedRevisionHeader() {
1154 if ( !$this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
1159 $outputPage = $this->getContext()->getOutput();
1160 $user = $this->getContext()->getUser();
1161 // If the user is not allowed to see it...
1162 if ( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
, $user ) ) {
1163 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1164 'rev-deleted-text-permission' );
1167 // If the user needs to confirm that they want to see it...
1168 } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
1169 # Give explanation and add a link to view the revision...
1170 $oldid = intval( $this->getOldID() );
1171 $link = $this->getTitle()->getFullUrl( "oldid={$oldid}&unhide=1" );
1172 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1173 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1174 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1175 array( $msg, $link ) );
1178 // We are allowed to see...
1180 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1181 'rev-suppressed-text-view' : 'rev-deleted-text-view';
1182 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1189 * Generate the navigation links when browsing through an article revisions
1190 * It shows the information as:
1191 * Revision as of \<date\>; view current revision
1192 * \<- Previous version | Next Version -\>
1194 * @param $oldid int: revision ID of this article revision
1196 public function setOldSubtitle( $oldid = 0 ) {
1197 if ( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
1201 $unhide = $this->getContext()->getRequest()->getInt( 'unhide' ) == 1;
1203 # Cascade unhide param in links for easy deletion browsing
1204 $extraParams = array();
1206 $extraParams['unhide'] = 1;
1209 if ( $this->mRevision
&& $this->mRevision
->getId() === $oldid ) {
1210 $revision = $this->mRevision
;
1212 $revision = Revision
::newFromId( $oldid );
1215 $timestamp = $revision->getTimestamp();
1217 $current = ( $oldid == $this->mPage
->getLatest() );
1218 $language = $this->getContext()->getLanguage();
1219 $user = $this->getContext()->getUser();
1221 $td = $language->userTimeAndDate( $timestamp, $user );
1222 $tddate = $language->userDate( $timestamp, $user );
1223 $tdtime = $language->userTime( $timestamp, $user );
1225 # Show user links if allowed to see them. If hidden, then show them only if requested...
1226 $userlinks = Linker
::revUserTools( $revision, !$unhide );
1228 $infomsg = $current && !wfMessage( 'revision-info-current' )->isDisabled()
1229 ?
'revision-info-current'
1232 $outputPage = $this->getContext()->getOutput();
1233 $outputPage->addSubtitle( "<div id=\"mw-{$infomsg}\">" . wfMessage( $infomsg,
1234 $td )->rawParams( $userlinks )->params( $revision->getID(), $tddate,
1235 $tdtime, $revision->getUser() )->parse() . "</div>" );
1238 ?
wfMessage( 'currentrevisionlink' )->escaped()
1239 : Linker
::linkKnown(
1241 wfMessage( 'currentrevisionlink' )->escaped(),
1246 ?
wfMessage( 'diff' )->escaped()
1247 : Linker
::linkKnown(
1249 wfMessage( 'diff' )->escaped(),
1256 $prev = $this->getTitle()->getPreviousRevisionID( $oldid ) ;
1258 ? Linker
::linkKnown(
1260 wfMessage( 'previousrevision' )->escaped(),
1263 'direction' => 'prev',
1267 : wfMessage( 'previousrevision' )->escaped();
1269 ? Linker
::linkKnown(
1271 wfMessage( 'diff' )->escaped(),
1278 : wfMessage( 'diff' )->escaped();
1279 $nextlink = $current
1280 ?
wfMessage( 'nextrevision' )->escaped()
1281 : Linker
::linkKnown(
1283 wfMessage( 'nextrevision' )->escaped(),
1286 'direction' => 'next',
1290 $nextdiff = $current
1291 ?
wfMessage( 'diff' )->escaped()
1292 : Linker
::linkKnown(
1294 wfMessage( 'diff' )->escaped(),
1302 $cdel = Linker
::getRevDeleteLink( $user, $revision, $this->getTitle() );
1303 if ( $cdel !== '' ) {
1307 $outputPage->addSubtitle( "<div id=\"mw-revision-nav\">" . $cdel .
1308 wfMessage( 'revision-nav' )->rawParams(
1309 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
1310 )->escaped() . "</div>" );
1316 * @param $target Title|Array of destination(s) to redirect
1317 * @param $appendSubtitle Boolean [optional]
1318 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1319 * @return string containing HMTL with redirect link
1321 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1322 global $wgStylePath;
1324 if ( !is_array( $target ) ) {
1325 $target = array( $target );
1328 $lang = $this->getTitle()->getPageLanguage();
1329 $imageDir = $lang->getDir();
1331 if ( $appendSubtitle ) {
1332 $out = $this->getContext()->getOutput();
1333 $out->appendSubtitle( wfMessage( 'redirectpagesub' )->escaped() );
1336 // the loop prepends the arrow image before the link, so the first case needs to be outside
1341 $title = array_shift( $target );
1343 if ( $forceKnown ) {
1344 $link = Linker
::linkKnown( $title, htmlspecialchars( $title->getFullText() ) );
1346 $link = Linker
::link( $title, htmlspecialchars( $title->getFullText() ) );
1349 $nextRedirect = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1350 $alt = $lang->isRTL() ?
'←' : '→';
1351 // Automatically append redirect=no to each link, since most of them are redirect pages themselves.
1352 foreach ( $target as $rt ) {
1353 $link .= Html
::element( 'img', array( 'src' => $nextRedirect, 'alt' => $alt ) );
1354 if ( $forceKnown ) {
1355 $link .= Linker
::linkKnown( $rt, htmlspecialchars( $rt->getFullText(), array(), array( 'redirect' => 'no' ) ) );
1357 $link .= Linker
::link( $rt, htmlspecialchars( $rt->getFullText() ), array(), array( 'redirect' => 'no' ) );
1361 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1362 return '<div class="redirectMsg">' .
1363 Html
::element( 'img', array( 'src' => $imageUrl, 'alt' => '#REDIRECT' ) ) .
1364 '<span class="redirectText">' . $link . '</span></div>';
1368 * Handle action=render
1370 public function render() {
1371 $this->getContext()->getOutput()->setArticleBodyOnly( true );
1376 * action=protect handler
1378 public function protect() {
1379 $form = new ProtectionForm( $this );
1384 * action=unprotect handler (alias)
1386 public function unprotect() {
1391 * UI entry point for page deletion
1393 public function delete() {
1394 # This code desperately needs to be totally rewritten
1396 $title = $this->getTitle();
1397 $user = $this->getContext()->getUser();
1400 $permission_errors = $title->getUserPermissionsErrors( 'delete', $user );
1401 if ( count( $permission_errors ) ) {
1402 throw new PermissionsError( 'delete', $permission_errors );
1405 # Read-only check...
1406 if ( wfReadOnly() ) {
1407 throw new ReadOnlyError
;
1410 # Better double-check that it hasn't been deleted yet!
1411 $this->mPage
->loadPageData( 'fromdbmaster' );
1412 if ( !$this->mPage
->exists() ) {
1413 $deleteLogPage = new LogPage( 'delete' );
1414 $outputPage = $this->getContext()->getOutput();
1415 $outputPage->setPageTitle( wfMessage( 'cannotdelete-title', $title->getPrefixedText() ) );
1416 $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1417 array( 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) )
1419 $outputPage->addHTML(
1420 Xml
::element( 'h2', null, $deleteLogPage->getName()->text() )
1422 LogEventsList
::showLogExtract(
1431 $request = $this->getContext()->getRequest();
1432 $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
1433 $deleteReason = $request->getText( 'wpReason' );
1435 if ( $deleteReasonList == 'other' ) {
1436 $reason = $deleteReason;
1437 } elseif ( $deleteReason != '' ) {
1438 // Entry from drop down menu + additional comment
1439 $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
1440 $reason = $deleteReasonList . $colonseparator . $deleteReason;
1442 $reason = $deleteReasonList;
1445 if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
1446 array( 'delete', $this->getTitle()->getPrefixedText() ) ) )
1448 # Flag to hide all contents of the archived revisions
1449 $suppress = $request->getVal( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
1451 $this->doDelete( $reason, $suppress );
1453 if ( $user->isLoggedIn() && $request->getCheck( 'wpWatch' ) != $user->isWatched( $title ) ) {
1454 if ( $request->getCheck( 'wpWatch' ) ) {
1455 WatchAction
::doWatch( $title, $user );
1457 WatchAction
::doUnwatch( $title, $user );
1464 // Generate deletion reason
1465 $hasHistory = false;
1468 $reason = $this->generateReason( $hasHistory );
1469 } catch (MWException
$e) {
1470 # if a page is horribly broken, we still want to be able to delete it. so be lenient about errors here.
1471 wfDebug("Error while building auto delete summary: $e");
1476 // If the page has a history, insert a warning
1477 if ( $hasHistory ) {
1478 $revisions = $this->mTitle
->estimateRevisionCount();
1479 // @todo FIXME: i18n issue/patchwork message
1480 $this->getContext()->getOutput()->addHTML( '<strong class="mw-delete-warning-revisions">' .
1481 wfMessage( 'historywarning' )->numParams( $revisions )->parse() .
1482 wfMessage( 'word-separator' )->plain() . Linker
::linkKnown( $title,
1483 wfMessage( 'history' )->escaped(),
1484 array( 'rel' => 'archives' ),
1485 array( 'action' => 'history' ) ) .
1489 if ( $this->mTitle
->isBigDeletion() ) {
1490 global $wgDeleteRevisionsLimit;
1491 $this->getContext()->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1492 array( 'delete-warning-toobig', $this->getContext()->getLanguage()->formatNum( $wgDeleteRevisionsLimit ) ) );
1496 $this->confirmDelete( $reason );
1500 * Output deletion confirmation dialog
1501 * @todo FIXME: Move to another file?
1502 * @param $reason String: prefilled reason
1504 public function confirmDelete( $reason ) {
1505 wfDebug( "Article::confirmDelete\n" );
1507 $outputPage = $this->getContext()->getOutput();
1508 $outputPage->setPageTitle( wfMessage( 'delete-confirm', $this->getTitle()->getPrefixedText() ) );
1509 $outputPage->addBacklinkSubtitle( $this->getTitle() );
1510 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1511 $outputPage->addWikiMsg( 'confirmdeletetext' );
1513 wfRunHooks( 'ArticleConfirmDelete', array( $this, $outputPage, &$reason ) );
1515 $user = $this->getContext()->getUser();
1517 if ( $user->isAllowed( 'suppressrevision' ) ) {
1518 $suppress = "<tr id=\"wpDeleteSuppressRow\">
1520 <td class='mw-input'><strong>" .
1521 Xml
::checkLabel( wfMessage( 'revdelete-suppress' )->text(),
1522 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
1528 $checkWatch = $user->getBoolOption( 'watchdeletion' ) ||
$user->isWatched( $this->getTitle() );
1530 $form = Xml
::openElement( 'form', array( 'method' => 'post',
1531 'action' => $this->getTitle()->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
1532 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
1533 Xml
::tags( 'legend', null, wfMessage( 'delete-legend' )->escaped() ) .
1534 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
1535 "<tr id=\"wpDeleteReasonListRow\">
1536 <td class='mw-label'>" .
1537 Xml
::label( wfMessage( 'deletecomment' )->text(), 'wpDeleteReasonList' ) .
1539 <td class='mw-input'>" .
1540 Xml
::listDropDown( 'wpDeleteReasonList',
1541 wfMessage( 'deletereason-dropdown' )->inContentLanguage()->text(),
1542 wfMessage( 'deletereasonotherlist' )->inContentLanguage()->text(), '', 'wpReasonDropDown', 1 ) .
1545 <tr id=\"wpDeleteReasonRow\">
1546 <td class='mw-label'>" .
1547 Xml
::label( wfMessage( 'deleteotherreason' )->text(), 'wpReason' ) .
1549 <td class='mw-input'>" .
1550 Html
::input( 'wpReason', $reason, 'text', array(
1552 'maxlength' => '255',
1560 # Disallow watching if user is not logged in
1561 if ( $user->isLoggedIn() ) {
1565 <td class='mw-input'>" .
1566 Xml
::checkLabel( wfMessage( 'watchthis' )->text(),
1567 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
1576 <td class='mw-submit'>" .
1577 Xml
::submitButton( wfMessage( 'deletepage' )->text(),
1578 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
1581 Xml
::closeElement( 'table' ) .
1582 Xml
::closeElement( 'fieldset' ) .
1583 Html
::hidden( 'wpEditToken', $user->getEditToken( array( 'delete', $this->getTitle()->getPrefixedText() ) ) ) .
1584 Xml
::closeElement( 'form' );
1586 if ( $user->isAllowed( 'editinterface' ) ) {
1587 $title = Title
::makeTitle( NS_MEDIAWIKI
, 'Deletereason-dropdown' );
1588 $link = Linker
::link(
1590 wfMessage( 'delete-edit-reasonlist' )->escaped(),
1592 array( 'action' => 'edit' )
1594 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
1597 $outputPage->addHTML( $form );
1599 $deleteLogPage = new LogPage( 'delete' );
1600 $outputPage->addHTML( Xml
::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1601 LogEventsList
::showLogExtract( $outputPage, 'delete',
1607 * Perform a deletion and output success or failure messages
1609 * @param $suppress bool
1611 public function doDelete( $reason, $suppress = false ) {
1613 $outputPage = $this->getContext()->getOutput();
1614 $status = $this->mPage
->doDeleteArticleReal( $reason, $suppress, 0, true, $error );
1615 if ( $status->isGood() ) {
1616 $deleted = $this->getTitle()->getPrefixedText();
1618 $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
1619 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1621 $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
1623 $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
1624 $outputPage->returnToMain( false );
1626 $outputPage->setPageTitle( wfMessage( 'cannotdelete-title', $this->getTitle()->getPrefixedText() ) );
1627 if ( $error == '' ) {
1628 $errors = $status->getErrorsArray();
1629 $deleteLogPage = new LogPage( 'delete' );
1630 $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1633 $outputPage->addHTML( Xml
::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1635 LogEventsList
::showLogExtract(
1641 $outputPage->addHTML( $error );
1646 /* Caching functions */
1649 * checkLastModified returns true if it has taken care of all
1650 * output to the client that is necessary for this request.
1651 * (that is, it has sent a cached version of the page)
1653 * @return boolean true if cached version send, false otherwise
1655 protected function tryFileCache() {
1656 static $called = false;
1659 wfDebug( "Article::tryFileCache(): called twice!?\n" );
1664 if ( $this->isFileCacheable() ) {
1665 $cache = HTMLFileCache
::newFromTitle( $this->getTitle(), 'view' );
1666 if ( $cache->isCacheGood( $this->mPage
->getTouched() ) ) {
1667 wfDebug( "Article::tryFileCache(): about to load file\n" );
1668 $cache->loadFromFileCache( $this->getContext() );
1671 wfDebug( "Article::tryFileCache(): starting buffer\n" );
1672 ob_start( array( &$cache, 'saveToFileCache' ) );
1675 wfDebug( "Article::tryFileCache(): not cacheable\n" );
1682 * Check if the page can be cached
1685 public function isFileCacheable() {
1688 if ( HTMLFileCache
::useFileCache( $this->getContext() ) ) {
1689 $cacheable = $this->mPage
->getID()
1690 && !$this->mRedirectedFrom
&& !$this->getTitle()->isRedirect();
1691 // Extension may have reason to disable file caching on some pages.
1693 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
1703 * Lightweight method to get the parser output for a page, checking the parser cache
1704 * and so on. Doesn't consider most of the stuff that WikiPage::view is forced to
1705 * consider, so it's not appropriate to use there.
1707 * @since 1.16 (r52326) for LiquidThreads
1709 * @param $oldid mixed integer Revision ID or null
1710 * @param $user User The relevant user
1711 * @return ParserOutput or false if the given revsion ID is not found
1713 public function getParserOutput( $oldid = null, User
$user = null ) {
1714 //XXX: bypasses mParserOptions and thus setParserOptions()
1716 $user = is_null( $user ) ?
$this->getContext()->getUser() : $user;
1717 $parserOptions = $this->mPage
->makeParserOptions( $user );
1719 return $this->mPage
->getParserOutput( $parserOptions, $oldid );
1723 * Override the ParserOptions used to render the primary article wikitext.
1725 * @param ParserOptions $options
1726 * @throws MWException if the parser options where already initialized.
1728 public function setParserOptions( ParserOptions
$options ) {
1729 if ( $this->mParserOptions
) {
1730 throw new MWException( "can't change parser options after they have already been set" );
1733 // clone, so if $options is modified later, it doesn't confuse the parser cache.
1734 $this->mParserOptions
= clone $options;
1738 * Get parser options suitable for rendering the primary article wikitext
1739 * @return ParserOptions
1741 public function getParserOptions() {
1742 if ( !$this->mParserOptions
) {
1743 $this->mParserOptions
= $this->mPage
->makeParserOptions( $this->getContext()->getUser() );
1745 // Clone to allow modifications of the return value without affecting cache
1746 return clone $this->mParserOptions
;
1750 * Sets the context this Article is executed in
1752 * @param $context IContextSource
1755 public function setContext( $context ) {
1756 $this->mContext
= $context;
1760 * Gets the context this Article is executed in
1762 * @return IContextSource
1765 public function getContext() {
1766 if ( $this->mContext
instanceof IContextSource
) {
1767 return $this->mContext
;
1769 wfDebug( __METHOD__
. " called and \$mContext is null. Return RequestContext::getMain(); for sanity\n" );
1770 return RequestContext
::getMain();
1775 * Info about this page
1776 * @deprecated since 1.19
1778 public function info() {
1779 wfDeprecated( __METHOD__
, '1.19' );
1780 Action
::factory( 'info', $this )->show();
1784 * Mark this particular edit/page as patrolled
1785 * @deprecated since 1.18
1787 public function markpatrolled() {
1788 wfDeprecated( __METHOD__
, '1.18' );
1789 Action
::factory( 'markpatrolled', $this )->show();
1793 * Handle action=purge
1794 * @deprecated since 1.19
1795 * @return Action|bool|null false if the action is disabled, null if it is not recognised
1797 public function purge() {
1798 return Action
::factory( 'purge', $this )->show();
1802 * Handle action=revert
1803 * @deprecated since 1.19
1805 public function revert() {
1806 wfDeprecated( __METHOD__
, '1.19' );
1807 Action
::factory( 'revert', $this )->show();
1811 * Handle action=rollback
1812 * @deprecated since 1.19
1814 public function rollback() {
1815 wfDeprecated( __METHOD__
, '1.19' );
1816 Action
::factory( 'rollback', $this )->show();
1820 * User-interface handler for the "watch" action.
1821 * Requires Request to pass a token as of 1.18.
1822 * @deprecated since 1.18
1824 public function watch() {
1825 wfDeprecated( __METHOD__
, '1.18' );
1826 Action
::factory( 'watch', $this )->show();
1830 * Add this page to the current user's watchlist
1832 * This is safe to be called multiple times
1834 * @return bool true on successful watch operation
1835 * @deprecated since 1.18
1837 public function doWatch() {
1838 wfDeprecated( __METHOD__
, '1.18' );
1839 return WatchAction
::doWatch( $this->getTitle(), $this->getContext()->getUser() );
1843 * User interface handler for the "unwatch" action.
1844 * Requires Request to pass a token as of 1.18.
1845 * @deprecated since 1.18
1847 public function unwatch() {
1848 wfDeprecated( __METHOD__
, '1.18' );
1849 Action
::factory( 'unwatch', $this )->show();
1853 * Stop watching a page
1854 * @return bool true on successful unwatch
1855 * @deprecated since 1.18
1857 public function doUnwatch() {
1858 wfDeprecated( __METHOD__
, '1.18' );
1859 return WatchAction
::doUnwatch( $this->getTitle(), $this->getContext()->getUser() );
1863 * Output a redirect back to the article.
1864 * This is typically used after an edit.
1866 * @deprecated in 1.18; call OutputPage::redirect() directly
1867 * @param $noRedir Boolean: add redirect=no
1868 * @param $sectionAnchor String: section to redirect to, including "#"
1869 * @param $extraQuery String: extra query params
1871 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
1872 wfDeprecated( __METHOD__
, '1.18' );
1874 $query = 'redirect=no';
1876 $query .= "&$extraQuery";
1878 $query = $extraQuery;
1881 $this->getContext()->getOutput()->redirect( $this->getTitle()->getFullURL( $query ) . $sectionAnchor );
1885 * Use PHP's magic __get handler to handle accessing of
1886 * raw WikiPage fields for backwards compatibility.
1888 * @param $fname String Field name
1890 public function __get( $fname ) {
1891 if ( property_exists( $this->mPage
, $fname ) ) {
1892 #wfWarn( "Access to raw $fname field " . __CLASS__ );
1893 return $this->mPage
->$fname;
1895 trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE
);
1899 * Use PHP's magic __set handler to handle setting of
1900 * raw WikiPage fields for backwards compatibility.
1902 * @param $fname String Field name
1903 * @param $fvalue mixed New value
1905 public function __set( $fname, $fvalue ) {
1906 if ( property_exists( $this->mPage
, $fname ) ) {
1907 #wfWarn( "Access to raw $fname field of " . __CLASS__ );
1908 $this->mPage
->$fname = $fvalue;
1909 // Note: extensions may want to toss on new fields
1910 } elseif ( !in_array( $fname, array( 'mContext', 'mPage' ) ) ) {
1911 $this->mPage
->$fname = $fvalue;
1913 trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE
);
1918 * Use PHP's magic __call handler to transform instance calls to
1919 * WikiPage functions for backwards compatibility.
1921 * @param $fname String Name of called method
1922 * @param $args Array Arguments to the method
1925 public function __call( $fname, $args ) {
1926 if ( is_callable( array( $this->mPage
, $fname ) ) ) {
1927 #wfWarn( "Call to " . __CLASS__ . "::$fname; please use WikiPage instead" );
1928 return call_user_func_array( array( $this->mPage
, $fname ), $args );
1930 trigger_error( 'Inaccessible function via __call(): ' . $fname, E_USER_ERROR
);
1933 // ****** B/C functions to work-around PHP silliness with __call and references ****** //
1936 * @param $limit array
1937 * @param $expiry array
1938 * @param $cascade bool
1939 * @param $reason string
1943 public function doUpdateRestrictions( array $limit, array $expiry, &$cascade, $reason, User
$user ) {
1944 return $this->mPage
->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
1948 * @param $limit array
1949 * @param $reason string
1950 * @param $cascade int
1951 * @param $expiry array
1954 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
1955 return $this->mPage
->updateRestrictions( $limit, $reason, $cascade, $expiry );
1959 * @param $reason string
1960 * @param $suppress bool
1962 * @param $commit bool
1963 * @param $error string
1966 public function doDeleteArticle( $reason, $suppress = false, $id = 0, $commit = true, &$error = '' ) {
1967 return $this->mPage
->doDeleteArticle( $reason, $suppress, $id, $commit, $error );
1975 * @param $resultDetails
1979 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User
$user = null ) {
1980 $user = is_null( $user ) ?
$this->getContext()->getUser() : $user;
1981 return $this->mPage
->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
1988 * @param $resultDetails
1989 * @param $guser User
1992 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser = null ) {
1993 $guser = is_null( $guser ) ?
$this->getContext()->getUser() : $guser;
1994 return $this->mPage
->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
1998 * @param $hasHistory bool
2001 public function generateReason( &$hasHistory ) {
2002 $title = $this->mPage
->getTitle();
2003 $handler = ContentHandler
::getForTitle( $title );
2004 return $handler->getAutoDeleteReason( $title, $hasHistory );
2007 // ****** B/C functions for static methods ( __callStatic is PHP>=5.3 ) ****** //
2012 public static function selectFields() {
2013 return WikiPage
::selectFields();
2017 * @param $title Title
2019 public static function onArticleCreate( $title ) {
2020 WikiPage
::onArticleCreate( $title );
2024 * @param $title Title
2026 public static function onArticleDelete( $title ) {
2027 WikiPage
::onArticleDelete( $title );
2031 * @param $title Title
2033 public static function onArticleEdit( $title ) {
2034 WikiPage
::onArticleEdit( $title );
2042 * @deprecated since 1.WD, use ContentHandler::getAutosummary() instead
2044 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2045 return WikiPage
::getAutosummary( $oldtext, $newtext, $flags );