8 * Class for viewing MediaWiki article and history.
10 * This maintains WikiPage functions for backwards compatibility.
12 * @TODO: move and rewrite code to an Action class
14 * See design.txt for an overview.
15 * Note: edit user interface and cache support functions have been
16 * moved to separate EditPage and HTMLFileCache classes.
18 * @internal documentation reviewed 15 Mar 2010
20 class Article
extends Page
{
36 * @var ParserOptions: ParserOptions object for $wgUser articles
38 public $mParserOptions;
41 var $mContentLoaded = false; // !<
47 var $mRedirectedFrom = null;
50 * @var mixed: boolean false or URL string
52 var $mRedirectUrl = false; // !<
53 var $mRevIdFetched = 0; // !<
58 var $mRevision = null;
68 * Constructor and clear the article
69 * @param $title Title Reference to a Title object.
70 * @param $oldId Integer revision ID, null to fetch from request, zero for current
72 public function __construct( Title
$title, $oldId = null ) {
73 $this->mOldId
= $oldId;
74 $this->mPage
= $this->newPage( $title );
81 protected function newPage( Title
$title ) {
82 return new WikiPage( $title );
86 * Constructor from a page id
87 * @param $id Int article ID to load
88 * @return Article|null
90 public static function newFromID( $id ) {
91 $t = Title
::newFromID( $id );
92 # @todo FIXME: Doesn't inherit right
93 return $t == null ?
null : new self( $t );
94 # return $t == null ? null : new static( $t ); // PHP 5.3
98 * Create an Article object of the appropriate class for the given page.
100 * @param $title Title
101 * @param $context IContextSource
102 * @return Article object
104 public static function newFromTitle( $title, IContextSource
$context ) {
105 if ( NS_MEDIA
== $title->getNamespace() ) {
106 // FIXME: where should this go?
107 $title = Title
::makeTitle( NS_FILE
, $title->getDBkey() );
111 wfRunHooks( 'ArticleFromTitle', array( &$title, &$page ) );
113 switch( $title->getNamespace() ) {
115 $page = new ImagePage( $title );
118 $page = new CategoryPage( $title );
121 $page = new Article( $title );
124 $page->setContext( $context );
130 * Tell the page view functions that this view was redirected
131 * from another page on the wiki.
132 * @param $from Title object.
134 public function setRedirectedFrom( Title
$from ) {
135 $this->mRedirectedFrom
= $from;
139 * Get the title object of the article
140 * @return Title object of this page
142 public function getTitle() {
143 return $this->mPage
->getTitle();
149 public function clear() {
150 $this->mContentLoaded
= false;
152 $this->mRedirectedFrom
= null; # Title object if set
153 $this->mRevIdFetched
= 0;
154 $this->mRedirectUrl
= false;
156 $this->mPage
->clear();
160 * Note that getContent/loadContent do not follow redirects anymore.
161 * If you need to fetch redirectable content easily, try
162 * the shortcut in Article::followRedirect()
164 * This function has side effects! Do not use this function if you
165 * only want the real revision text if any.
167 * @return Return the text of this revision
169 public function getContent() {
172 wfProfileIn( __METHOD__
);
174 if ( $this->mPage
->getID() === 0 ) {
175 # If this is a MediaWiki:x message, then load the messages
176 # and return the message value for x.
177 if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI
) {
178 $text = $this->getTitle()->getDefaultMessageText();
179 if ( $text === false ) {
183 $text = wfMsgExt( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon', 'parsemag' );
185 wfProfileOut( __METHOD__
);
189 $this->loadContent();
190 wfProfileOut( __METHOD__
);
192 return $this->mContent
;
197 * @return int The oldid of the article that is to be shown, 0 for the
200 public function getOldID() {
201 if ( is_null( $this->mOldId
) ) {
202 $this->mOldId
= $this->getOldIDFromRequest();
205 return $this->mOldId
;
209 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
211 * @return int The old id for the request
213 public function getOldIDFromRequest() {
216 $this->mRedirectUrl
= false;
218 $oldid = $wgRequest->getVal( 'oldid' );
220 if ( isset( $oldid ) ) {
221 $oldid = intval( $oldid );
222 if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
223 $nextid = $this->getTitle()->getNextRevisionID( $oldid );
227 $this->mRedirectUrl
= $this->getTitle()->getFullURL( 'redirect=no' );
229 } elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
230 $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
245 * Load the revision (including text) into this object
247 function loadContent() {
248 if ( $this->mContentLoaded
) {
252 wfProfileIn( __METHOD__
);
254 $this->fetchContent( $this->getOldID() );
256 wfProfileOut( __METHOD__
);
260 * Get text of an article from database
261 * Does *NOT* follow redirects.
263 * @param $oldid Int: 0 for whatever the latest revision is
264 * @return mixed string containing article contents, or false if null
266 function fetchContent( $oldid = 0 ) {
267 if ( $this->mContentLoaded
) {
268 return $this->mContent
;
271 # Pre-fill content with error message so that if something
272 # fails we'll have something telling us what we intended.
273 $t = $this->getTitle()->getPrefixedText();
274 $d = $oldid ?
wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
275 $this->mContent
= wfMsgNoTrans( 'missing-article', $t, $d ) ;
278 $revision = Revision
::newFromId( $oldid );
280 wfDebug( __METHOD__
. " failed to retrieve specified revision, id $oldid\n" );
283 // Revision title doesn't match the page title given?
284 if ( $this->mPage
->getID() != $revision->getPage() ) {
285 $function = array( get_class( $this->mPage
), 'newFromID' );
286 $this->mPage
= call_user_func( $function, $revision->getPage() );
287 if ( !$this->mPage
->getId() ) {
288 wfDebug( __METHOD__
. " failed to get page data linked to revision id $oldid\n" );
293 if ( !$this->mPage
->getLatest() ) {
294 wfDebug( __METHOD__
. " failed to find page data for title " . $this->getTitle()->getPrefixedText() . "\n" );
298 $revision = $this->mPage
->getRevision();
300 wfDebug( __METHOD__
. " failed to retrieve current page, rev_id " . $this->mPage
->getLatest() . "\n" );
305 // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
306 // We should instead work with the Revision object when we need it...
307 $this->mContent
= $revision->getText( Revision
::FOR_THIS_USER
); // Loads if user is allowed
309 $this->mRevIdFetched
= $revision->getId();
310 $this->mContentLoaded
= true;
311 $this->mRevision
=& $revision;
313 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) );
315 return $this->mContent
;
320 * @deprecated since 1.18
322 public function forUpdate() {
323 wfDeprecated( __METHOD__
);
327 * Returns true if the currently-referenced revision is the current edit
328 * to this page (and it exists).
331 public function isCurrent() {
332 # If no oldid, this is the current version.
333 if ( $this->getOldID() == 0 ) {
337 return $this->mPage
->exists() && $this->mRevision
&& $this->mRevision
->isCurrent();
341 * Use this to fetch the rev ID used on page views
343 * @return int revision ID of last article revision
345 public function getRevIdFetched() {
346 if ( $this->mRevIdFetched
) {
347 return $this->mRevIdFetched
;
349 return $this->mPage
->getLatest();
354 * This is the default action of the index.php entry point: just view the
355 * page of the given title.
357 public function view() {
358 global $wgUser, $wgOut, $wgRequest, $wgParser;
359 global $wgUseFileCache, $wgUseETag;
361 wfProfileIn( __METHOD__
);
363 # Get variables from query string
364 $oldid = $this->getOldID();
366 # getOldID may want us to redirect somewhere else
367 if ( $this->mRedirectUrl
) {
368 $wgOut->redirect( $this->mRedirectUrl
);
369 wfDebug( __METHOD__
. ": redirecting due to oldid\n" );
370 wfProfileOut( __METHOD__
);
375 # Set page title (may be overridden by DISPLAYTITLE)
376 $wgOut->setPageTitle( $this->getTitle()->getPrefixedText() );
378 # If we got diff in the query, we want to see a diff page instead of the article.
379 if ( $wgRequest->getCheck( 'diff' ) ) {
380 wfDebug( __METHOD__
. ": showing diff page\n" );
381 $this->showDiffPage();
382 wfProfileOut( __METHOD__
);
387 $wgOut->setArticleFlag( true );
388 # Allow frames by default
389 $wgOut->allowClickjacking();
391 $parserCache = ParserCache
::singleton();
393 $parserOptions = $this->getParserOptions();
394 # Render printable version, use printable version cache
395 if ( $wgOut->isPrintable() ) {
396 $parserOptions->setIsPrintable( true );
397 $parserOptions->setEditSection( false );
398 } elseif ( $wgUseETag && !$this->getTitle()->quickUserCan( 'edit' ) ) {
399 $parserOptions->setEditSection( false );
402 # Try client and file cache
403 if ( $oldid === 0 && $this->mPage
->checkTouched() ) {
405 $wgOut->setETag( $parserCache->getETag( $this, $parserOptions ) );
408 # Is it client cached?
409 if ( $wgOut->checkLastModified( $this->mPage
->getTouched() ) ) {
410 wfDebug( __METHOD__
. ": done 304\n" );
411 wfProfileOut( __METHOD__
);
415 } elseif ( $wgUseFileCache && $this->tryFileCache() ) {
416 wfDebug( __METHOD__
. ": done file cache\n" );
417 # tell wgOut that output is taken care of
419 $this->mPage
->viewUpdates();
420 wfProfileOut( __METHOD__
);
426 if ( !$wgUseETag && !$this->getTitle()->quickUserCan( 'edit' ) ) {
427 $parserOptions->setEditSection( false );
430 # Should the parser cache be used?
431 $useParserCache = $this->useParserCache( $oldid );
432 wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
433 if ( $wgUser->getStubThreshold() ) {
434 wfIncrStats( 'pcache_miss_stub' );
437 $wasRedirected = $this->showRedirectedFromHeader();
438 $this->showNamespaceHeader();
440 # Iterate through the possible ways of constructing the output text.
441 # Keep going until $outputDone is set, or we run out of things to do.
444 $this->mParserOutput
= false;
446 while ( !$outputDone && ++
$pass ) {
449 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
452 # Try the parser cache
453 if ( $useParserCache ) {
454 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
456 if ( $this->mParserOutput
!== false ) {
457 wfDebug( __METHOD__
. ": showing parser cache contents\n" );
458 $wgOut->addParserOutput( $this->mParserOutput
);
459 # Ensure that UI elements requiring revision ID have
460 # the correct version information.
461 $wgOut->setRevisionId( $this->mPage
->getLatest() );
463 # Preload timestamp to avoid a DB hit
464 if ( isset( $this->mParserOutput
->mTimestamp
) ) {
465 $this->mPage
->setTimestamp( $this->mParserOutput
->mTimestamp
);
471 $text = $this->getContent();
472 if ( $text === false ||
$this->mPage
->getID() == 0 ) {
473 wfDebug( __METHOD__
. ": showing missing article\n" );
474 $this->showMissingArticle();
475 wfProfileOut( __METHOD__
);
479 # Another whitelist check in case oldid is altering the title
480 if ( !$this->getTitle()->userCanRead() ) {
481 wfDebug( __METHOD__
. ": denied on secondary read check\n" );
482 wfProfileOut( __METHOD__
);
483 throw new PermissionsError( 'read' );
486 # Are we looking at an old revision
487 if ( $oldid && !is_null( $this->mRevision
) ) {
488 $this->setOldSubtitle( $oldid );
490 if ( !$this->showDeletedRevisionHeader() ) {
491 wfDebug( __METHOD__
. ": cannot view deleted revision\n" );
492 wfProfileOut( __METHOD__
);
496 # If this "old" version is the current, then try the parser cache...
497 if ( $oldid === $this->mPage
->getLatest() && $this->useParserCache( false ) ) {
498 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
499 if ( $this->mParserOutput
) {
500 wfDebug( __METHOD__
. ": showing parser cache for current rev permalink\n" );
501 $wgOut->addParserOutput( $this->mParserOutput
);
502 $wgOut->setRevisionId( $this->mPage
->getLatest() );
509 # Ensure that UI elements requiring revision ID have
510 # the correct version information.
511 $wgOut->setRevisionId( $this->getRevIdFetched() );
513 # Pages containing custom CSS or JavaScript get special treatment
514 if ( $this->getTitle()->isCssOrJsPage() ||
$this->getTitle()->isCssJsSubpage() ) {
515 wfDebug( __METHOD__
. ": showing CSS/JS source\n" );
516 $this->showCssOrJsPage();
518 } elseif( !wfRunHooks( 'ArticleViewCustom', array( $this->mContent
, $this->getTitle(), $wgOut ) ) ) {
519 # Allow extensions do their own custom view for certain pages
522 $rt = Title
::newFromRedirectArray( $text );
524 wfDebug( __METHOD__
. ": showing redirect=no page\n" );
525 # Viewing a redirect page (e.g. with parameter redirect=no)
526 # Don't append the subtitle if this was an old revision
527 $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
528 # Parse just to get categories, displaytitle, etc.
529 $this->mParserOutput
= $wgParser->parse( $text, $this->getTitle(), $parserOptions );
530 $wgOut->addParserOutputNoText( $this->mParserOutput
);
536 # Run the parse, protected by a pool counter
537 wfDebug( __METHOD__
. ": doing uncached parse\n" );
539 $key = $parserCache->getKey( $this, $parserOptions );
540 $poolArticleView = new PoolWorkArticleView( $this, $key, $useParserCache, $parserOptions );
542 if ( !$poolArticleView->execute() ) {
543 # Connection or timeout error
544 wfProfileOut( __METHOD__
);
550 # Should be unreachable, but just in case...
556 # Get the ParserOutput actually *displayed* here.
557 # Note that $this->mParserOutput is the *current* version output.
558 $pOutput = ( $outputDone instanceof ParserOutput
)
559 ?
$outputDone // object fetched by hook
560 : $this->mParserOutput
;
562 # Adjust title for main page & pages with displaytitle
564 $this->adjustDisplayTitle( $pOutput );
567 # For the main page, overwrite the <title> element with the con-
568 # tents of 'pagetitle-view-mainpage' instead of the default (if
570 # This message always exists because it is in the i18n files
571 if ( $this->getTitle()->isMainPage() ) {
572 $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
573 if ( !$msg->isDisabled() ) {
574 $wgOut->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
578 # Check for any __NOINDEX__ tags on the page using $pOutput
579 $policy = $this->getRobotPolicy( 'view', $pOutput );
580 $wgOut->setIndexPolicy( $policy['index'] );
581 $wgOut->setFollowPolicy( $policy['follow'] );
583 $this->showViewFooter();
584 $this->mPage
->viewUpdates();
586 wfProfileOut( __METHOD__
);
590 * Adjust title for pages with displaytitle, -{T|}- or language conversion
591 * @param $pOutput ParserOutput
593 public function adjustDisplayTitle( ParserOutput
$pOutput ) {
595 # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
596 $titleText = $pOutput->getTitleText();
597 if ( strval( $titleText ) !== '' ) {
598 $wgOut->setPageTitle( $titleText );
603 * Show a diff page according to current request variables. For use within
604 * Article::view() only, other callers should use the DifferenceEngine class.
606 public function showDiffPage() {
607 global $wgRequest, $wgUser;
609 $diff = $wgRequest->getVal( 'diff' );
610 $rcid = $wgRequest->getVal( 'rcid' );
611 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
612 $purge = $wgRequest->getVal( 'action' ) == 'purge';
613 $unhide = $wgRequest->getInt( 'unhide' ) == 1;
614 $oldid = $this->getOldID();
616 $de = new DifferenceEngine( $this->getTitle(), $oldid, $diff, $rcid, $purge, $unhide );
617 // DifferenceEngine directly fetched the revision:
618 $this->mRevIdFetched
= $de->mNewid
;
619 $de->showDiffPage( $diffOnly );
621 if ( $diff == 0 ||
$diff == $this->mPage
->getLatest() ) {
622 # Run view updates for current revision only
623 $this->mPage
->viewUpdates();
628 * Show a page view for a page formatted as CSS or JavaScript. To be called by
629 * Article::view() only.
631 * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
634 protected function showCssOrJsPage() {
637 $dir = $this->getContext()->getLang()->getDir();
638 $lang = $this->getContext()->getLang()->getCode();
640 $wgOut->wrapWikiMsg( "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
643 // Give hooks a chance to customise the output
644 if ( wfRunHooks( 'ShowRawCssJs', array( $this->mContent
, $this->getTitle(), $wgOut ) ) ) {
645 // Wrap the whole lot in a <pre> and don't parse
647 preg_match( '!\.(css|js)$!u', $this->getTitle()->getText(), $m );
648 $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
649 $wgOut->addHTML( htmlspecialchars( $this->mContent
) );
650 $wgOut->addHTML( "\n</pre>\n" );
655 * Get the robot policy to be used for the current view
656 * @param $action String the action= GET parameter
657 * @param $pOutput ParserOutput
658 * @return Array the policy that should be set
659 * TODO: actions other than 'view'
661 public function getRobotPolicy( $action, $pOutput ) {
662 global $wgOut, $wgArticleRobotPolicies, $wgNamespaceRobotPolicies;
663 global $wgDefaultRobotPolicy, $wgRequest;
665 $ns = $this->getTitle()->getNamespace();
667 if ( $ns == NS_USER ||
$ns == NS_USER_TALK
) {
668 # Don't index user and user talk pages for blocked users (bug 11443)
669 if ( !$this->getTitle()->isSubpage() ) {
670 if ( Block
::newFromTarget( null, $this->getTitle()->getText() ) instanceof Block
) {
672 'index' => 'noindex',
673 'follow' => 'nofollow'
679 if ( $this->mPage
->getID() === 0 ||
$this->getOldID() ) {
680 # Non-articles (special pages etc), and old revisions
682 'index' => 'noindex',
683 'follow' => 'nofollow'
685 } elseif ( $wgOut->isPrintable() ) {
686 # Discourage indexing of printable versions, but encourage following
688 'index' => 'noindex',
691 } elseif ( $wgRequest->getInt( 'curid' ) ) {
692 # For ?curid=x urls, disallow indexing
694 'index' => 'noindex',
699 # Otherwise, construct the policy based on the various config variables.
700 $policy = self
::formatRobotPolicy( $wgDefaultRobotPolicy );
702 if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
703 # Honour customised robot policies for this namespace
704 $policy = array_merge(
706 self
::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
709 if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
710 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
711 # a final sanity check that we have really got the parser output.
712 $policy = array_merge(
714 array( 'index' => $pOutput->getIndexPolicy() )
718 if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
719 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
720 $policy = array_merge(
722 self
::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
730 * Converts a String robot policy into an associative array, to allow
731 * merging of several policies using array_merge().
732 * @param $policy Mixed, returns empty array on null/false/'', transparent
733 * to already-converted arrays, converts String.
734 * @return Array: 'index' => <indexpolicy>, 'follow' => <followpolicy>
736 public static function formatRobotPolicy( $policy ) {
737 if ( is_array( $policy ) ) {
739 } elseif ( !$policy ) {
743 $policy = explode( ',', $policy );
744 $policy = array_map( 'trim', $policy );
747 foreach ( $policy as $var ) {
748 if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
749 $arr['index'] = $var;
750 } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
751 $arr['follow'] = $var;
759 * If this request is a redirect view, send "redirected from" subtitle to
760 * $wgOut. Returns true if the header was needed, false if this is not a
761 * redirect view. Handles both local and remote redirects.
765 public function showRedirectedFromHeader() {
766 global $wgOut, $wgRequest, $wgRedirectSources;
768 $rdfrom = $wgRequest->getVal( 'rdfrom' );
770 if ( isset( $this->mRedirectedFrom
) ) {
771 // This is an internally redirected page view.
772 // We'll need a backlink to the source page for navigation.
773 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
774 $redir = Linker
::link(
775 $this->mRedirectedFrom
,
778 array( 'redirect' => 'no' ),
779 array( 'known', 'noclasses' )
782 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
783 $wgOut->setSubtitle( $s );
785 // Set the fragment if one was specified in the redirect
786 if ( strval( $this->getTitle()->getFragment() ) != '' ) {
787 $fragment = Xml
::escapeJsString( $this->getTitle()->getFragmentForURL() );
788 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
791 // Add a <link rel="canonical"> tag
792 $wgOut->addLink( array( 'rel' => 'canonical',
793 'href' => $this->getTitle()->getLocalURL() )
798 } elseif ( $rdfrom ) {
799 // This is an externally redirected view, from some other wiki.
800 // If it was reported from a trusted site, supply a backlink.
801 if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
802 $redir = Linker
::makeExternalLink( $rdfrom, $rdfrom );
803 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
804 $wgOut->setSubtitle( $s );
814 * Show a header specific to the namespace currently being viewed, like
815 * [[MediaWiki:Talkpagetext]]. For Article::view().
817 public function showNamespaceHeader() {
820 if ( $this->getTitle()->isTalkPage() ) {
821 if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
822 $wgOut->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1\n</div>", array( 'talkpageheader' ) );
828 * Show the footer section of an ordinary page view
830 public function showViewFooter() {
831 global $wgOut, $wgUseTrackbacks;
833 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
834 if ( $this->getTitle()->getNamespace() == NS_USER_TALK
&& IP
::isValid( $this->getTitle()->getText() ) ) {
835 $wgOut->addWikiMsg( 'anontalkpagetext' );
838 # If we have been passed an &rcid= parameter, we want to give the user a
839 # chance to mark this new article as patrolled.
840 $this->showPatrolFooter();
843 if ( $wgUseTrackbacks ) {
844 $this->addTrackbacks();
847 wfRunHooks( 'ArticleViewFooter', array( $this ) );
852 * If patrol is possible, output a patrol UI box. This is called from the
853 * footer section of ordinary page views. If patrol is not possible or not
854 * desired, does nothing.
856 public function showPatrolFooter() {
857 global $wgOut, $wgRequest, $wgUser;
859 $rcid = $wgRequest->getVal( 'rcid' );
861 if ( !$rcid ||
!$this->getTitle()->quickUserCan( 'patrol' ) ) {
865 $token = $wgUser->editToken( $rcid );
866 $wgOut->preventClickjacking();
869 "<div class='patrollink'>" .
871 'markaspatrolledlink',
874 wfMsgHtml( 'markaspatrolledtext' ),
877 'action' => 'markpatrolled',
881 array( 'known', 'noclasses' )
889 * Show the error text for a missing article. For articles in the MediaWiki
890 * namespace, show the default message text. To be called from Article::view().
892 public function showMissingArticle() {
893 global $wgOut, $wgRequest, $wgUser;
895 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
896 if ( $this->getTitle()->getNamespace() == NS_USER ||
$this->getTitle()->getNamespace() == NS_USER_TALK
) {
897 $parts = explode( '/', $this->getTitle()->getText() );
898 $rootPart = $parts[0];
899 $user = User
::newFromName( $rootPart, false /* allow IP users*/ );
900 $ip = User
::isIP( $rootPart );
902 if ( !$user->isLoggedIn() && !$ip ) { # User does not exist
903 $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
904 array( 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ) );
905 } elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
906 LogEventsList
::showLogExtract(
909 $user->getUserPage()->getPrefixedText(),
913 'showIfEmpty' => false,
915 'blocked-notice-logextract',
916 $user->getName() # Support GENDER in notice
923 wfRunHooks( 'ShowMissingArticle', array( $this ) );
925 # Show delete and move logs
926 LogEventsList
::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->getTitle()->getPrefixedText(), '',
928 'conds' => array( "log_action != 'revision'" ),
929 'showIfEmpty' => false,
930 'msgKey' => array( 'moveddeleted-notice' ) )
934 $oldid = $this->getOldID();
936 $text = wfMsgNoTrans( 'missing-article',
937 $this->getTitle()->getPrefixedText(),
938 wfMsgNoTrans( 'missingarticle-rev', $oldid ) );
939 } elseif ( $this->getTitle()->getNamespace() === NS_MEDIAWIKI
) {
940 // Use the default message text
941 $text = $this->getTitle()->getDefaultMessageText();
943 $createErrors = $this->getTitle()->getUserPermissionsErrors( 'create', $wgUser );
944 $editErrors = $this->getTitle()->getUserPermissionsErrors( 'edit', $wgUser );
945 $errors = array_merge( $createErrors, $editErrors );
947 if ( !count( $errors ) ) {
948 $text = wfMsgNoTrans( 'noarticletext' );
950 $text = wfMsgNoTrans( 'noarticletext-nopermission' );
953 $text = "<div class='noarticletext'>\n$text\n</div>";
955 if ( !$this->mPage
->hasViewableContent() ) {
956 // If there's no backing content, send a 404 Not Found
957 // for better machine handling of broken links.
958 $wgRequest->response()->header( "HTTP/1.1 404 Not Found" );
961 $wgOut->addWikiText( $text );
965 * If the revision requested for view is deleted, check permissions.
966 * Send either an error message or a warning header to $wgOut.
968 * @return boolean true if the view is allowed, false if not.
970 public function showDeletedRevisionHeader() {
971 global $wgOut, $wgRequest;
973 if ( !$this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
978 // If the user is not allowed to see it...
979 if ( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
) ) {
980 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
981 'rev-deleted-text-permission' );
984 // If the user needs to confirm that they want to see it...
985 } elseif ( $wgRequest->getInt( 'unhide' ) != 1 ) {
986 # Give explanation and add a link to view the revision...
987 $oldid = intval( $this->getOldID() );
988 $link = $this->getTitle()->getFullUrl( "oldid={$oldid}&unhide=1" );
989 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
990 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
991 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
992 array( $msg, $link ) );
995 // We are allowed to see...
997 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
998 'rev-suppressed-text-view' : 'rev-deleted-text-view';
999 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1006 * Execute the uncached parse for action=view
1009 public function doViewParse() {
1012 $oldid = $this->getOldID();
1013 $parserOptions = $this->getParserOptions();
1015 # Render printable version, use printable version cache
1016 $parserOptions->setIsPrintable( $wgOut->isPrintable() );
1018 # Don't show section-edit links on old revisions... this way lies madness.
1019 if ( !$this->isCurrent() ||
$wgOut->isPrintable() ||
!$this->getTitle()->quickUserCan( 'edit' ) ) {
1020 $parserOptions->setEditSection( false );
1023 $useParserCache = $this->useParserCache( $oldid );
1024 $this->outputWikiText( $this->getContent(), $useParserCache, $parserOptions );
1030 * Try to fetch an expired entry from the parser cache. If it is present,
1031 * output it and return true. If it is not present, output nothing and
1032 * return false. This is used as a callback function for
1033 * PoolCounter::executeProtected().
1037 public function tryDirtyCache() {
1039 $parserCache = ParserCache
::singleton();
1040 $options = $this->getParserOptions();
1042 if ( $wgOut->isPrintable() ) {
1043 $options->setIsPrintable( true );
1044 $options->setEditSection( false );
1047 $output = $parserCache->getDirty( $this, $options );
1050 wfDebug( __METHOD__
. ": sending dirty output\n" );
1051 wfDebugLog( 'dirty', "dirty output " . $parserCache->getKey( $this, $options ) . "\n" );
1052 $wgOut->setSquidMaxage( 0 );
1053 $this->mParserOutput
= $output;
1054 $wgOut->addParserOutput( $output );
1055 $wgOut->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
1059 wfDebugLog( 'dirty', "dirty missing\n" );
1060 wfDebug( __METHOD__
. ": no dirty cache\n" );
1069 * @param $target Title|Array of destination(s) to redirect
1070 * @param $appendSubtitle Boolean [optional]
1071 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1072 * @return string containing HMTL with redirect link
1074 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1075 global $wgOut, $wgStylePath;
1077 if ( !is_array( $target ) ) {
1078 $target = array( $target );
1081 $lang = $this->getTitle()->getPageLanguage();
1082 $imageDir = $lang->getDir();
1084 if ( $appendSubtitle ) {
1085 $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
1088 // the loop prepends the arrow image before the link, so the first case needs to be outside
1093 $title = array_shift( $target );
1095 if ( $forceKnown ) {
1096 $link = Linker
::linkKnown( $title, htmlspecialchars( $title->getFullText() ) );
1098 $link = Linker
::link( $title, htmlspecialchars( $title->getFullText() ) );
1101 $nextRedirect = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1102 $alt = $lang->isRTL() ?
'←' : '→';
1103 // Automatically append redirect=no to each link, since most of them are redirect pages themselves.
1104 foreach ( $target as $rt ) {
1105 $link .= Html
::element( 'img', array( 'src' => $nextRedirect, 'alt' => $alt ) );
1106 if ( $forceKnown ) {
1107 $link .= Linker
::linkKnown( $rt, htmlspecialchars( $rt->getFullText(), array(), array( 'redirect' => 'no' ) ) );
1109 $link .= Linker
::link( $rt, htmlspecialchars( $rt->getFullText() ), array(), array( 'redirect' => 'no' ) );
1113 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1114 return '<div class="redirectMsg">' .
1115 Html
::element( 'img', array( 'src' => $imageUrl, 'alt' => '#REDIRECT' ) ) .
1116 '<span class="redirectText">' . $link . '</span></div>';
1120 * Builds trackback links for article display if $wgUseTrackbacks is set to true
1122 public function addTrackbacks() {
1125 $dbr = wfGetDB( DB_SLAVE
);
1126 $tbs = $dbr->select( 'trackbacks',
1127 array( 'tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name' ),
1128 array( 'tb_page' => $this->mPage
->getID() )
1131 if ( !$dbr->numRows( $tbs ) ) {
1135 $wgOut->preventClickjacking();
1138 foreach ( $tbs as $o ) {
1141 if ( $this->getContext()->getUser()->isAllowed( 'trackback' ) ) {
1142 $delurl = $this->getTitle()->getFullURL( "action=deletetrackback&tbid=" .
1143 $o->tb_id
. "&token=" . urlencode( $this->getContext()->getUser()->editToken() ) );
1144 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
1148 $tbtext .= wfMsgNoTrans( strlen( $o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
1156 $wgOut->wrapWikiMsg( "<div id='mw_trackbacks'>\n$1\n</div>\n", array( 'trackbackbox', $tbtext ) );
1160 * Removes trackback record for current article from trackbacks table
1161 * @deprecated since 1.18
1163 public function deletetrackback() {
1164 return Action
::factory( 'deletetrackback', $this )->show();
1168 * Handle action=render
1171 public function render() {
1174 $wgOut->setArticleBodyOnly( true );
1179 * Handle action=purge
1181 public function purge() {
1182 return Action
::factory( 'purge', $this )->show();
1186 * Mark this particular edit/page as patrolled
1187 * @deprecated since 1.18
1189 public function markpatrolled() {
1190 Action
::factory( 'markpatrolled', $this )->show();
1194 * User-interface handler for the "watch" action.
1195 * Requires Request to pass a token as of 1.18.
1196 * @deprecated since 1.18
1198 public function watch() {
1199 Action
::factory( 'watch', $this )->show();
1203 * Add this page to $wgUser's watchlist
1205 * This is safe to be called multiple times
1207 * @return bool true on successful watch operation
1208 * @deprecated since 1.18
1210 public function doWatch() {
1212 return WatchAction
::doWatch( $this->getTitle(), $wgUser );
1216 * User interface handler for the "unwatch" action.
1217 * Requires Request to pass a token as of 1.18.
1218 * @deprecated since 1.18
1220 public function unwatch() {
1221 Action
::factory( 'unwatch', $this )->show();
1225 * Stop watching a page
1226 * @return bool true on successful unwatch
1227 * @deprecated since 1.18
1229 public function doUnwatch() {
1231 return WatchAction
::doUnwatch( $this->getTitle(), $wgUser );
1235 * action=protect handler
1237 public function protect() {
1238 $form = new ProtectionForm( $this );
1243 * action=unprotect handler (alias)
1245 public function unprotect() {
1250 * Info about this page
1251 * Called for ?action=info when $wgAllowPageInfo is on.
1253 public function info() {
1254 Action
::factory( 'info', $this )->show();
1258 * Overriden by ImagePage class, only present here to avoid a fatal error
1259 * Called for ?action=revert
1261 public function revert() {
1262 Action
::factory( 'revert', $this )->show();
1266 * User interface for rollback operations
1268 public function rollback() {
1269 Action
::factory( 'rollback', $this )->show();
1273 * Output a redirect back to the article.
1274 * This is typically used after an edit.
1276 * @deprecated in 1.18; call $wgOut->redirect() directly
1277 * @param $noRedir Boolean: add redirect=no
1278 * @param $sectionAnchor String: section to redirect to, including "#"
1279 * @param $extraQuery String: extra query params
1281 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
1282 wfDeprecated( __METHOD__
);
1286 $query = 'redirect=no';
1288 $query .= "&$extraQuery";
1290 $query = $extraQuery;
1293 $wgOut->redirect( $this->getTitle()->getFullURL( $query ) . $sectionAnchor );
1297 * UI entry point for page deletion
1299 public function delete() {
1300 global $wgOut, $wgRequest, $wgLang;
1302 # This code desperately needs to be totally rewritten
1304 $title = $this->getTitle();
1305 $user = $this->getContext()->getUser();
1308 $permission_errors = $title->getUserPermissionsErrors( 'delete', $user );
1309 if ( count( $permission_errors ) ) {
1310 throw new PermissionsError( 'delete', $permission_errors );
1313 # Read-only check...
1314 if ( wfReadOnly() ) {
1315 throw new ReadOnlyError
;
1318 # Better double-check that it hasn't been deleted yet!
1319 $dbw = wfGetDB( DB_MASTER
);
1320 $conds = $title->pageCond();
1321 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
1322 if ( $latest === false ) {
1323 $wgOut->setPageTitle( wfMessage( 'cannotdelete-title', $title->getPrefixedText() ) );
1324 $wgOut->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1325 array( 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) )
1327 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
1328 LogEventsList
::showLogExtract(
1331 $title->getPrefixedText()
1337 # Hack for big sites
1338 $bigHistory = $this->mPage
->isBigDeletion();
1339 if ( $bigHistory && !$title->userCan( 'bigdelete' ) ) {
1340 global $wgDeleteRevisionsLimit;
1342 $wgOut->setPageTitle( wfMessage( 'cannotdelete-title', $title->getPrefixedText() ) );
1343 $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1344 array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
1349 $deleteReasonList = $wgRequest->getText( 'wpDeleteReasonList', 'other' );
1350 $deleteReason = $wgRequest->getText( 'wpReason' );
1352 if ( $deleteReasonList == 'other' ) {
1353 $reason = $deleteReason;
1354 } elseif ( $deleteReason != '' ) {
1355 // Entry from drop down menu + additional comment
1356 $reason = $deleteReasonList . wfMsgForContent( 'colon-separator' ) . $deleteReason;
1358 $reason = $deleteReasonList;
1361 if ( $wgRequest->wasPosted() && $user->matchEditToken( $wgRequest->getVal( 'wpEditToken' ),
1362 array( 'delete', $this->getTitle()->getPrefixedText() ) ) )
1364 # Flag to hide all contents of the archived revisions
1365 $suppress = $wgRequest->getVal( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
1367 $this->doDelete( $reason, $suppress );
1369 if ( $wgRequest->getCheck( 'wpWatch' ) && $user->isLoggedIn() ) {
1371 } elseif ( $title->userIsWatching() ) {
1378 // Generate deletion reason
1379 $hasHistory = false;
1381 $reason = $this->generateReason( $hasHistory );
1384 // If the page has a history, insert a warning
1385 if ( $hasHistory ) {
1386 $revisions = $this->mPage
->estimateRevisionCount();
1387 // @todo FIXME: i18n issue/patchwork message
1388 $wgOut->addHTML( '<strong class="mw-delete-warning-revisions">' .
1389 wfMsgExt( 'historywarning', array( 'parseinline' ), $wgLang->formatNum( $revisions ) ) .
1390 wfMsgHtml( 'word-separator' ) . Linker
::link( $title,
1391 wfMsgHtml( 'history' ),
1392 array( 'rel' => 'archives' ),
1393 array( 'action' => 'history' ) ) .
1397 if ( $bigHistory ) {
1398 global $wgDeleteRevisionsLimit;
1399 $wgOut->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1400 array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
1404 return $this->confirmDelete( $reason );
1408 * Output deletion confirmation dialog
1409 * @todo FIXME: Move to another file?
1410 * @param $reason String: prefilled reason
1412 public function confirmDelete( $reason ) {
1415 wfDebug( "Article::confirmDelete\n" );
1417 $wgOut->setPageTitle( wfMessage( 'delete-confirm', $this->getTitle()->getPrefixedText() ) );
1418 $deleteBackLink = Linker
::linkKnown( $this->getTitle() );
1419 $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $deleteBackLink ) );
1420 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1421 $wgOut->addWikiMsg( 'confirmdeletetext' );
1423 wfRunHooks( 'ArticleConfirmDelete', array( $this, $wgOut, &$reason ) );
1425 $user = $this->getContext()->getUser();
1427 if ( $user->isAllowed( 'suppressrevision' ) ) {
1428 $suppress = "<tr id=\"wpDeleteSuppressRow\">
1430 <td class='mw-input'><strong>" .
1431 Xml
::checkLabel( wfMsg( 'revdelete-suppress' ),
1432 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
1438 $checkWatch = $user->getBoolOption( 'watchdeletion' ) ||
$this->getTitle()->userIsWatching();
1440 $form = Xml
::openElement( 'form', array( 'method' => 'post',
1441 'action' => $this->getTitle()->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
1442 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
1443 Xml
::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) .
1444 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
1445 "<tr id=\"wpDeleteReasonListRow\">
1446 <td class='mw-label'>" .
1447 Xml
::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
1449 <td class='mw-input'>" .
1450 Xml
::listDropDown( 'wpDeleteReasonList',
1451 wfMsgForContent( 'deletereason-dropdown' ),
1452 wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
1455 <tr id=\"wpDeleteReasonRow\">
1456 <td class='mw-label'>" .
1457 Xml
::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
1459 <td class='mw-input'>" .
1460 Html
::input( 'wpReason', $reason, 'text', array(
1462 'maxlength' => '255',
1470 # Disallow watching if user is not logged in
1471 if ( $user->isLoggedIn() ) {
1475 <td class='mw-input'>" .
1476 Xml
::checkLabel( wfMsg( 'watchthis' ),
1477 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
1486 <td class='mw-submit'>" .
1487 Xml
::submitButton( wfMsg( 'deletepage' ),
1488 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
1491 Xml
::closeElement( 'table' ) .
1492 Xml
::closeElement( 'fieldset' ) .
1493 Html
::hidden( 'wpEditToken', $user->editToken( array( 'delete', $this->getTitle()->getPrefixedText() ) ) ) .
1494 Xml
::closeElement( 'form' );
1496 if ( $user->isAllowed( 'editinterface' ) ) {
1497 $title = Title
::makeTitle( NS_MEDIAWIKI
, 'Deletereason-dropdown' );
1498 $link = Linker
::link(
1500 wfMsgHtml( 'delete-edit-reasonlist' ),
1502 array( 'action' => 'edit' )
1504 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
1507 $wgOut->addHTML( $form );
1508 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
1509 LogEventsList
::showLogExtract( $wgOut, 'delete',
1510 $this->getTitle()->getPrefixedText()
1515 * Perform a deletion and output success or failure messages
1517 * @param $suppress bool
1519 public function doDelete( $reason, $suppress = false ) {
1522 $id = $this->getTitle()->getArticleID( Title
::GAID_FOR_UPDATE
);
1525 if ( $this->mPage
->doDeleteArticle( $reason, $suppress, $id, true, $error ) ) {
1526 $deleted = $this->getTitle()->getPrefixedText();
1528 $wgOut->setPageTitle( wfMessage( 'actioncomplete' ) );
1529 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1531 $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
1533 $wgOut->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
1534 $wgOut->returnToMain( false );
1536 $wgOut->setPageTitle( wfMessage( 'cannotdelete-title', $this->getTitle()->getPrefixedText() ) );
1537 if ( $error == '' ) {
1538 $wgOut->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1539 array( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) )
1541 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
1543 LogEventsList
::showLogExtract(
1546 $this->getTitle()->getPrefixedText()
1549 $wgOut->addHTML( $error );
1555 * Generate the navigation links when browsing through an article revisions
1556 * It shows the information as:
1557 * Revision as of \<date\>; view current revision
1558 * \<- Previous version | Next Version -\>
1560 * @param $oldid String: revision ID of this article revision
1562 public function setOldSubtitle( $oldid = 0 ) {
1563 global $wgLang, $wgOut, $wgUser, $wgRequest;
1565 if ( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
1569 $unhide = $wgRequest->getInt( 'unhide' ) == 1;
1571 # Cascade unhide param in links for easy deletion browsing
1572 $extraParams = array();
1573 if ( $wgRequest->getVal( 'unhide' ) ) {
1574 $extraParams['unhide'] = 1;
1577 $revision = Revision
::newFromId( $oldid );
1578 $timestamp = $revision->getTimestamp();
1580 $current = ( $oldid == $this->mPage
->getLatest() );
1581 $td = $wgLang->timeanddate( $timestamp, true );
1582 $tddate = $wgLang->date( $timestamp, true );
1583 $tdtime = $wgLang->time( $timestamp, true );
1586 ?
wfMsgHtml( 'currentrevisionlink' )
1589 wfMsgHtml( 'currentrevisionlink' ),
1592 array( 'known', 'noclasses' )
1595 ?
wfMsgHtml( 'diff' )
1598 wfMsgHtml( 'diff' ),
1604 array( 'known', 'noclasses' )
1606 $prev = $this->getTitle()->getPreviousRevisionID( $oldid ) ;
1610 wfMsgHtml( 'previousrevision' ),
1613 'direction' => 'prev',
1616 array( 'known', 'noclasses' )
1618 : wfMsgHtml( 'previousrevision' );
1622 wfMsgHtml( 'diff' ),
1628 array( 'known', 'noclasses' )
1630 : wfMsgHtml( 'diff' );
1631 $nextlink = $current
1632 ?
wfMsgHtml( 'nextrevision' )
1635 wfMsgHtml( 'nextrevision' ),
1638 'direction' => 'next',
1641 array( 'known', 'noclasses' )
1643 $nextdiff = $current
1644 ?
wfMsgHtml( 'diff' )
1647 wfMsgHtml( 'diff' ),
1653 array( 'known', 'noclasses' )
1658 // User can delete revisions or view deleted revisions...
1659 $canHide = $wgUser->isAllowed( 'deleterevision' );
1660 if ( $canHide ||
( $revision->getVisibility() && $wgUser->isAllowed( 'deletedhistory' ) ) ) {
1661 if ( !$revision->userCan( Revision
::DELETED_RESTRICTED
) ) {
1662 $cdel = Linker
::revDeleteLinkDisabled( $canHide ); // rev was hidden from Sysops
1665 'type' => 'revision',
1666 'target' => $this->getTitle()->getPrefixedDbkey(),
1669 $cdel = Linker
::revDeleteLink( $query, $revision->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
1674 # Show user links if allowed to see them. If hidden, then show them only if requested...
1675 $userlinks = Linker
::revUserTools( $revision, !$unhide );
1677 $infomsg = $current && !wfMessage( 'revision-info-current' )->isDisabled()
1678 ?
'revision-info-current'
1681 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" .
1684 array( 'parseinline', 'replaceafter' ),
1690 $revision->getUser()
1693 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgExt( 'revision-nav', array( 'escapenoentities', 'parsemag', 'replaceafter' ),
1694 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
1696 $wgOut->setSubtitle( $r );
1699 /* Caching functions */
1702 * checkLastModified returns true if it has taken care of all
1703 * output to the client that is necessary for this request.
1704 * (that is, it has sent a cached version of the page)
1706 * @return boolean true if cached version send, false otherwise
1708 protected function tryFileCache() {
1709 static $called = false;
1712 wfDebug( "Article::tryFileCache(): called twice!?\n" );
1717 if ( $this->isFileCacheable() ) {
1718 $cache = HTMLFileCache
::newFromTitle( $this->getTitle(), 'view' );
1719 if ( $cache->isCacheGood( $this->mPage
->getTouched() ) ) {
1720 wfDebug( "Article::tryFileCache(): about to load file\n" );
1721 $cache->loadFromFileCache( $this->getContext() );
1724 wfDebug( "Article::tryFileCache(): starting buffer\n" );
1725 ob_start( array( &$cache, 'saveToFileCache' ) );
1728 wfDebug( "Article::tryFileCache(): not cacheable\n" );
1735 * Check if the page can be cached
1738 public function isFileCacheable() {
1741 if ( HTMLFileCache
::useFileCache( $this->getContext() ) ) {
1742 $cacheable = $this->mPage
->getID()
1743 && !$this->mRedirectedFrom
&& !$this->getTitle()->isRedirect();
1744 // Extension may have reason to disable file caching on some pages.
1746 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
1756 * Add the primary page-view wikitext to the output buffer
1757 * Saves the text into the parser cache if possible.
1758 * Updates templatelinks if it is out of date.
1760 * @param $text String
1761 * @param $cache Boolean
1762 * @param $parserOptions mixed ParserOptions object, or boolean false
1764 public function outputWikiText( $text, $cache = true, $parserOptions = false ) {
1767 $this->mParserOutput
= $this->getOutputFromWikitext( $text, $cache, $parserOptions );
1769 $this->doCascadeProtectionUpdates( $this->mParserOutput
);
1771 $wgOut->addParserOutput( $this->mParserOutput
);
1775 * Lightweight method to get the parser output for a page, checking the parser cache
1776 * and so on. Doesn't consider most of the stuff that WikiPage::view is forced to
1777 * consider, so it's not appropriate to use there.
1779 * @since 1.16 (r52326) for LiquidThreads
1781 * @param $oldid mixed integer Revision ID or null
1782 * @param $user User The relevant user
1783 * @return ParserOutput or false if the given revsion ID is not found
1785 public function getParserOutput( $oldid = null, User
$user = null ) {
1786 global $wgEnableParserCache, $wgUser;
1787 $user = is_null( $user ) ?
$wgUser : $user;
1789 wfProfileIn( __METHOD__
);
1790 // Should the parser cache be used?
1791 $useParserCache = $wgEnableParserCache &&
1792 $user->getStubThreshold() == 0 &&
1793 $this->mPage
->exists() &&
1796 wfDebug( __METHOD__
. ': using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
1798 if ( $user->getStubThreshold() ) {
1799 wfIncrStats( 'pcache_miss_stub' );
1802 if ( $useParserCache ) {
1803 $options = $this->mPage
->makeParserOptions( $user );
1804 $parserOutput = ParserCache
::singleton()->get( $this, $options );
1805 if ( $parserOutput !== false ) {
1806 wfProfileOut( __METHOD__
);
1807 return $parserOutput;
1811 // Cache miss; parse and output it.
1812 if ( $oldid === null ) {
1813 $text = $this->mPage
->getRawText();
1815 $rev = Revision
::newFromTitle( $this->getTitle(), $oldid );
1816 if ( $rev === null ) {
1817 wfProfileOut( __METHOD__
);
1820 $text = $rev->getText();
1823 $output = $this->getOutputFromWikitext( $text, $useParserCache );
1824 wfProfileOut( __METHOD__
);
1829 * This does all the heavy lifting for outputWikitext, except it returns the parser
1830 * output instead of sending it straight to $wgOut. Makes things nice and simple for,
1831 * say, embedding thread pages within a discussion system (LiquidThreads)
1833 * @param $text string
1834 * @param $cache boolean
1835 * @param $parserOptions parsing options, defaults to false
1836 * @return ParserOutput
1838 public function getOutputFromWikitext( $text, $cache = true, $parserOptions = false ) {
1839 global $wgParser, $wgEnableParserCache, $wgUseFileCache;
1841 if ( !$parserOptions ) {
1842 $parserOptions = $this->getParserOptions();
1846 $this->mParserOutput
= $wgParser->parse( $text, $this->getTitle(),
1847 $parserOptions, true, true, $this->getRevIdFetched() );
1852 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
1853 $this->getTitle()->getPrefixedDBkey() ) );
1856 if ( $wgEnableParserCache && $cache && $this->mParserOutput
->isCacheable() ) {
1857 $parserCache = ParserCache
::singleton();
1858 $parserCache->save( $this->mParserOutput
, $this, $parserOptions );
1861 // Make sure file cache is not used on uncacheable content.
1862 // Output that has magic words in it can still use the parser cache
1863 // (if enabled), though it will generally expire sooner.
1864 if ( !$this->mParserOutput
->isCacheable() ||
$this->mParserOutput
->containsOldMagic() ) {
1865 $wgUseFileCache = false;
1868 if ( $this->isCurrent() ) {
1869 $this->mPage
->doCascadeProtectionUpdates( $this->mParserOutput
);
1872 return $this->mParserOutput
;
1876 * Get parser options suitable for rendering the primary article wikitext
1877 * @return ParserOptions|false
1879 public function getParserOptions() {
1881 if ( !$this->mParserOptions
) {
1882 $this->mParserOptions
= $this->mPage
->makeParserOptions( $wgUser );
1884 // Clone to allow modifications of the return value without affecting cache
1885 return clone $this->mParserOptions
;
1889 * Sets the context this Article is executed in
1891 * @param $context IContextSource
1894 public function setContext( $context ) {
1895 $this->mContext
= $context;
1899 * Gets the context this Article is executed in
1901 * @return IContextSource
1904 public function getContext() {
1905 if ( $this->mContext
instanceof IContextSource
) {
1906 return $this->mContext
;
1908 wfDebug( __METHOD__
. " called and \$mContext is null. Return RequestContext::getMain(); for sanity\n" );
1909 return RequestContext
::getMain();
1914 * Use PHP's magic __get handler to handle accessing of
1915 * raw WikiPage fields for backwards compatibility.
1917 * @param $fname String Field name
1919 public function __get( $fname ) {
1920 if ( property_exists( $this->mPage
, $fname ) ) {
1921 #wfWarn( "Access to raw $fname field " . __CLASS__ );
1922 return $this->mPage
->$fname;
1924 trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE
);
1928 * Use PHP's magic __set handler to handle setting of
1929 * raw WikiPage fields for backwards compatibility.
1931 * @param $fname String Field name
1932 * @param $fvalue mixed New value
1934 public function __set( $fname, $fvalue ) {
1935 if ( property_exists( $this->mPage
, $fname ) ) {
1936 #wfWarn( "Access to raw $fname field of " . __CLASS__ );
1937 $this->mPage
->$fname = $fvalue;
1938 // Note: extensions may want to toss on new fields
1939 } elseif ( !in_array( $fname, array( 'mContext', 'mPage' ) ) ) {
1940 $this->mPage
->$fname = $fvalue;
1942 trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE
);
1947 * Use PHP's magic __call handler to transform instance calls to
1948 * WikiPage functions for backwards compatibility.
1950 * @param $fname String Name of called method
1951 * @param $args Array Arguments to the method
1953 public function __call( $fname, $args ) {
1954 if ( is_callable( array( $this->mPage
, $fname ) ) ) {
1955 #wfWarn( "Call to " . __CLASS__ . "::$fname; please use WikiPage instead" );
1956 return call_user_func_array( array( $this->mPage
, $fname ), $args );
1958 trigger_error( 'Inaccessible function via __call(): ' . $fname, E_USER_ERROR
);
1961 // ****** B/C functions to work-around PHP silliness with __call and references ****** //
1964 * @param $limit array
1965 * @param $reason string
1966 * @param $cascade int
1967 * @param $expiry array
1970 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
1971 return $this->mPage
->updateRestrictions( $limit, $reason, $cascade, $expiry );
1975 * @param $reason string
1976 * @param $suppress bool
1978 * @param $commit bool
1979 * @param $error string
1982 public function doDeleteArticle( $reason, $suppress = false, $id = 0, $commit = true, &$error = '' ) {
1983 return $this->mPage
->doDeleteArticle( $reason, $suppress, $id, $commit, $error );
1991 * @param $resultDetails
1995 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User
$user = null ) {
1997 $user = is_null( $user ) ?
$wgUser : $user;
1998 return $this->mPage
->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
2005 * @param $resultDetails
2006 * @param $guser User
2009 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser = null ) {
2011 $guser = is_null( $guser ) ?
$wgUser : $guser;
2012 return $this->mPage
->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
2016 * @param $hasHistory bool
2019 public function generateReason( &$hasHistory ) {
2020 return $this->mPage
->getAutoDeleteReason( $hasHistory );
2023 // ****** B/C functions for static methods ( __callStatic is PHP>=5.3 ) ****** //
2028 public static function selectFields() {
2029 return WikiPage
::selectFields();
2033 * @param $title Title
2035 public static function onArticleCreate( $title ) {
2036 WikiPage
::onArticleCreate( $title );
2040 * @param $title Title
2042 public static function onArticleDelete( $title ) {
2043 WikiPage
::onArticleDelete( $title );
2047 * @param $title Title
2049 public static function onArticleEdit( $title ) {
2050 WikiPage
::onArticleEdit( $title );
2059 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2060 return WikiPage
::getAutosummary( $oldtext, $newtext, $flags );
2065 class PoolWorkArticleView
extends PoolCounterWork
{
2072 function __construct( $article, $key, $useParserCache, $parserOptions ) {
2073 parent
::__construct( 'ArticleView', $key );
2074 $this->mArticle
= $article;
2075 $this->cacheable
= $useParserCache;
2076 $this->parserOptions
= $parserOptions;
2083 return $this->mArticle
->doViewParse();
2089 function getCachedWork() {
2092 $parserCache = ParserCache
::singleton();
2093 $this->mArticle
->mParserOutput
= $parserCache->get( $this->mArticle
, $this->parserOptions
);
2095 if ( $this->mArticle
->mParserOutput
!== false ) {
2096 wfDebug( __METHOD__
. ": showing contents parsed by someone else\n" );
2097 $wgOut->addParserOutput( $this->mArticle
->mParserOutput
);
2098 # Ensure that UI elements requiring revision ID have
2099 # the correct version information.
2100 $wgOut->setRevisionId( $this->mArticle
->getLatest() );
2109 function fallback() {
2110 return $this->mArticle
->tryDirtyCache();
2114 * @param $status Status
2116 function error( $status ) {
2119 $wgOut->clearHTML(); // for release() errors
2120 $wgOut->enableClientCache( false );
2121 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2123 $errortext = $status->getWikiText( false, 'view-pool-error' );
2124 $wgOut->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );