MediaWiki master
Article Class Reference

Legacy class representing an editable page and handling UI for some page actions. More...

Inherits Page.

Inherited by CategoryPage, and ImagePage.

Collaboration diagram for Article:

Public Member Functions

 __construct (Title $title, $oldId=null)
 
 addHelpLink ( $to, $overrideBaseUrl=false)
 Adds help link with an icon via page indicators.
 
 adjustDisplayTitle (ParserOutput $pOutput)
 Adjust title for pages with displaytitle, -{T|}- or language conversion.
 
 clear ()
 
 fetchRevisionRecord ()
 Fetches the revision to work on.
 
 getActionOverrides ()
 Call to WikiPage function for backwards compatibility.
 
 getContext ()
 Gets the context this Article is executed in.
 
 getOldID ()
 
 getOldIDFromRequest ()
 Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect.
 
 getPage ()
 Get the WikiPage object of this instance.
 
 getParserOptions ()
 Get parser options suitable for rendering the primary article wikitext.
 
 getParserOutput ( $oldid=null, UserIdentity $user=null)
 Lightweight method to get the parser output for a page, checking the parser cache and so on.
 
 getRedirectedFrom ()
 Get the page this view was redirected from.
 
 getRevIdFetched ()
 Use this to fetch the rev ID used on page views.
 
 getRobotPolicy ( $action, ParserOutput $pOutput=null)
 Get the robot policy to be used for the current view.
 
 getTitle ()
 Get the title object of the article.
 
 isCurrent ()
 Returns true if the currently-referenced revision is the current edit to this page (and it exists).
 
 isFileCacheable ( $mode=HTMLFileCache::MODE_NORMAL)
 Check if the page can be cached.
 
 protect ()
 action=protect handler
 
 render ()
 Handle action=render.
 
 setContext ( $context)
 Sets the context this Article is executed in.
 
 setOldSubtitle ( $oldid=0)
 Generate the navigation links when browsing through an article revisions It shows the information as: Revision as of \<date\>; view current revision \<- Previous version | Next Version -\>
 
 setRedirectedFrom (Title $from)
 Tell the page view functions that this view was redirected from another page on the wiki.
 
 showDeletedRevisionHeader ()
 If the revision requested for view is deleted, check permissions.
 
 showMissingArticle ()
 Show the error text for a missing article.
 
 showNamespaceHeader ()
 Show a header specific to the namespace currently being viewed, like [[MediaWiki:Talkpagetext]].
 
 showPatrolFooter ()
 If patrol is possible, output a patrol UI box.
 
 showRedirectedFromHeader ()
 If this request is a redirect view, send "redirected from" subtitle to the output.
 
 showViewFooter ()
 Show the footer section of an ordinary page view.
 
 unprotect ()
 action=unprotect handler (alias)
 
 view ()
 This is the default action of the index.php entry point: just view the page of the given title.
 

Static Public Member Functions

static formatRobotPolicy ( $policy)
 Converts a String robot policy into an associative array, to allow merging of several policies using array_merge().
 
static getRedirectHeaderHtml (Language $lang, Title $target, $forceKnown=false)
 Return the HTML for the top of a redirect page.
 
static newFromID ( $id)
 Constructor from a page id.
 
static newFromTitle ( $title, IContextSource $context)
 Create an Article object of the appropriate class for the given page.
 
static newFromWikiPage (WikiPage $page, IContextSource $context)
 Create an Article object of the appropriate class for the given page.
 
static purgePatrolFooterCache ( $articleID)
 Purge the cache used to check if it is worth showing the patrol footer For example, it is done during re-uploads when file patrol is used.
 

Public Attributes

int null $mOldId
 The oldid of the article that was requested to be shown, 0 for the current revision.
 
ParserOutput null false $mParserOutput = null
 The ParserOutput generated for viewing the page, initialized by view().
 
Title null $mRedirectedFrom = null
 Title from which we were redirected here, if any.
 
string false $mRedirectUrl = false
 URL to redirect to or false if none.
 

Protected Member Functions

 isDiffOnlyView ()
 
 newPage (Title $title)
 
 showDiffPage ()
 Show a diff page according to current request variables.
 
 tryFileCache ()
 checkLastModified returns true if it has taken care of all output to the client that is necessary for this request.
 

Protected Attributes

DatabaseBlockStore $blockStore
 
IConnectionProvider $dbProvider
 
LinkRenderer $linkRenderer
 
IContextSource null $mContext
 The context this Article is executed in.
 
WikiPage $mPage
 The WikiPage object of this instance.
 
bool $viewIsRenderAction = false
 Whether render() was called.
 

Detailed Description

Legacy class representing an editable page and handling UI for some page actions.

This has largely been superseded by WikiPage, with Action subclasses for the user interface of page actions, and service classes for their backend logic.

Todo:

Move and refactor remaining code

Deprecate

Definition at line 67 of file Article.php.

Constructor & Destructor Documentation

◆ __construct()

Article::__construct ( Title  $title,
  $oldId = null 
)
Parameters
Title$title
int | null$oldIdRevision ID, null to fetch from request, zero for current

Definition at line 162 of file Article.php.

References newPage().

Member Function Documentation

◆ addHelpLink()

Article::addHelpLink (   $to,
  $overrideBaseUrl = false 
)

Adds help link with an icon via page indicators.

Link target can be overridden by a local message containing a wikilink: the message key is: 'namespace-' + namespace number + '-helppage'.

Parameters
string$toTarget MediaWiki.org page title or encoded URL.
bool$overrideBaseUrlWhether $url is a full URL, to avoid MW.o.
Since
1.25

Definition at line 1847 of file Article.php.

References getContext(), and getTitle().

Referenced by CategoryPage\closeShowCategory().

◆ adjustDisplayTitle()

Article::adjustDisplayTitle ( ParserOutput  $pOutput)

Adjust title for pages with displaytitle, -{T|}- or language conversion.

Parameters
ParserOutput$pOutput

Definition at line 927 of file Article.php.

References getContext(), and MediaWiki\Parser\ParserOutput\getTitleText().

◆ clear()

Article::clear ( )

Definition at line 281 of file Article.php.

◆ fetchRevisionRecord()

Article::fetchRevisionRecord ( )

Fetches the revision to work on.

The revision is loaded from the database. Refer to $this->fetchResult for the revision or any errors encountered while loading it.

Public since 1.35

Returns
RevisionRecord|null

Definition at line 380 of file Article.php.

References StatusValue\fatal(), getTitle(), and wfDebug().

◆ formatRobotPolicy()

static Article::formatRobotPolicy (   $policy)
static

Converts a String robot policy into an associative array, to allow merging of several policies using array_merge().

Parameters
array | string$policyReturns empty array on null/false/'', transparent to already-converted arrays, converts string.
Returns
array 'index' => \<indexpolicy\>, 'follow' => \<followpolicy\>

Definition at line 1114 of file Article.php.

◆ getActionOverrides()

Article::getActionOverrides ( )

Call to WikiPage function for backwards compatibility.

See also
ContentHandler::getActionOverrides
Returns
array

Definition at line 2005 of file Article.php.

◆ getContext()

Article::getContext ( )

Gets the context this Article is executed in.

Returns
IContextSource
Since
1.18

Definition at line 1990 of file Article.php.

Referenced by ImageHistoryList\__construct(), MediaWiki\EditPage\EditPage\__construct(), MediaWiki\Page\ProtectionForm\__construct(), and Action\factory().

◆ getOldID()

Article::getOldID ( )
See also
getOldIDFromRequest()
getRevIdFetched()
Returns
int The oldid of the article that is was requested in the constructor or via the context's WebRequest.

Definition at line 299 of file Article.php.

◆ getOldIDFromRequest()

Article::getOldIDFromRequest ( )

Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect.

Returns
int The old id for the request

Definition at line 312 of file Article.php.

References getContext(), and getTitle().

◆ getPage()

◆ getParserOptions()

Article::getParserOptions ( )

Get parser options suitable for rendering the primary article wikitext.

Returns
ParserOptions

Definition at line 1968 of file Article.php.

References getContext(), and ParserOptions\setRenderReason().

◆ getParserOutput()

Article::getParserOutput (   $oldid = null,
UserIdentity  $user = null 
)

Lightweight method to get the parser output for a page, checking the parser cache and so on.

Doesn't consider most of the stuff that Article::view() is forced to consider, so it's not appropriate to use there.

Since
1.16 (r52326) for LiquidThreads
Parameters
int | null$oldidRevision ID or null
UserIdentity | null$userThe relevant user
Returns
ParserOutput|false ParserOutput or false if the given revision ID is not found

Definition at line 1953 of file Article.php.

References ParserOptions\setRenderReason().

◆ getRedirectedFrom()

Article::getRedirectedFrom ( )

Get the page this view was redirected from.

Returns
Title|null
Since
1.28

Definition at line 249 of file Article.php.

◆ getRedirectHeaderHtml()

static Article::getRedirectHeaderHtml ( Language  $lang,
Title  $target,
  $forceKnown = false 
)
static

Return the HTML for the top of a redirect page.

Chances are you should just be using the ParserOutput from WikitextContent::getParserOutput instead of calling this for redirects.

Since
1.23
Parameters
Language$lang
Title$targetDestination to redirect
bool$forceKnownShould the image be shown as a bluelink regardless of existence?
Returns
string Containing HTML with redirect link
Deprecated:
since 1.41, use LinkRenderer::makeRedirectHeader() instead

Definition at line 1833 of file Article.php.

References MediaWiki\Linker\LinkRenderer\makeRedirectHeader(), and wfDeprecated().

◆ getRevIdFetched()

Article::getRevIdFetched ( )

Use this to fetch the rev ID used on page views.

Before fetchRevisionRecord was called, this returns the page's latest revision, regardless of what getOldID() returns.

Returns
int Revision ID of last article revision

Definition at line 457 of file Article.php.

◆ getRobotPolicy()

Article::getRobotPolicy (   $action,
ParserOutput  $pOutput = null 
)

Get the robot policy to be used for the current view.

Parameters
string$actionThe action= GET parameter
ParserOutput | null$pOutput
Returns
string[] The policy that should be set
Todo:
actions other than 'view'

Definition at line 1030 of file Article.php.

References getContext(), MediaWiki\Parser\ParserOutput\getIndexPolicy(), getTitle(), NS_USER, and NS_USER_TALK.

◆ getTitle()

Article::getTitle ( )

Get the title object of the article.

Returns
Title Title object of this page

Definition at line 267 of file Article.php.

Referenced by ImageHistoryList\__construct(), MediaWiki\EditPage\EditPage\__construct(), and MediaWiki\Page\ProtectionForm\__construct().

◆ isCurrent()

Article::isCurrent ( )

Returns true if the currently-referenced revision is the current edit to this page (and it exists).

Returns
bool

Definition at line 438 of file Article.php.

◆ isDiffOnlyView()

Article::isDiffOnlyView ( )
protected

Definition at line 1016 of file Article.php.

References getContext().

Referenced by CategoryPage\view(), and ImagePage\view().

◆ isFileCacheable()

Article::isFileCacheable (   $mode = HTMLFileCache::MODE_NORMAL)

Check if the page can be cached.

Parameters
int$modeOne of the HTMLFileCache::MODE_* constants (since 1.28)
Returns
bool

Definition at line 1927 of file Article.php.

References getContext(), and getTitle().

◆ newFromID()

static Article::newFromID (   $id)
static

Constructor from a page id.

Parameters
int$idArticle ID to load
Returns
Article|null

Definition at line 192 of file Article.php.

◆ newFromTitle()

static Article::newFromTitle (   $title,
IContextSource  $context 
)
static

Create an Article object of the appropriate class for the given page.

Parameters
Title$title
IContextSource$context
Returns
Article

Definition at line 204 of file Article.php.

References NS_FILE.

◆ newFromWikiPage()

static Article::newFromWikiPage ( WikiPage  $page,
IContextSource  $context 
)
static

Create an Article object of the appropriate class for the given page.

Parameters
WikiPage$page
IContextSource$context
Returns
Article

Definition at line 238 of file Article.php.

References WikiPage\getTitle().

◆ newPage()

Article::newPage ( Title  $title)
protected
Parameters
Title$title
Returns
WikiPage

Reimplemented in CategoryPage, and ImagePage.

Definition at line 183 of file Article.php.

Referenced by __construct().

◆ protect()

Article::protect ( )

action=protect handler

Definition at line 1875 of file Article.php.

◆ purgePatrolFooterCache()

static Article::purgePatrolFooterCache (   $articleID)
static

Purge the cache used to check if it is worth showing the patrol footer For example, it is done during re-uploads when file patrol is used.

Parameters
int$articleIDID of the article to purge
Since
1.27

Definition at line 1422 of file Article.php.

◆ render()

Article::render ( )

Handle action=render.

Definition at line 1864 of file Article.php.

References getContext().

◆ setContext()

Article::setContext (   $context)

Sets the context this Article is executed in.

Parameters
IContextSource$context
Since
1.18

Definition at line 1980 of file Article.php.

◆ setOldSubtitle()

Article::setOldSubtitle (   $oldid = 0)

Generate the navigation links when browsing through an article revisions It shows the information as: Revision as of \<date\>; view current revision \<- Previous version | Next Version -\>

Parameters
int$oldidRevision ID of this article revision

Definition at line 1668 of file Article.php.

References MediaWiki\Output\OutputPage\addModuleStyles(), MediaWiki\Output\OutputPage\addSubtitle(), getContext(), MediaWiki\Context\ContextSource\getOutput(), and getTitle().

◆ setRedirectedFrom()

Article::setRedirectedFrom ( Title  $from)

Tell the page view functions that this view was redirected from another page on the wiki.

Parameters
Title$from

Definition at line 258 of file Article.php.

◆ showDeletedRevisionHeader()

Article::showDeletedRevisionHeader ( )

If the revision requested for view is deleted, check permissions.

Send either an error message or a warning header to the output.

Returns
bool True if the view is allowed, false if not.

Definition at line 1608 of file Article.php.

References MediaWiki\Output\OutputPage\addHTML(), getContext(), MediaWiki\Context\ContextSource\getOutput(), getRequest(), getTitle(), and MediaWiki\Context\ContextSource\msg().

◆ showDiffPage()

Article::showDiffPage ( )
protected

Show a diff page according to current request variables.

For use within Article::view() only, other callers should use the DifferenceEngine class.

Definition at line 942 of file Article.php.

References MediaWiki\Output\OutputPage\addBodyClasses(), MediaWiki\Output\OutputPage\addHTML(), getContext(), MediaWiki\Context\ContextSource\getOutput(), MediaWiki\Revision\RevisionRecord\getSlot(), and MediaWiki\Output\OutputPage\setPageTitleMsg().

◆ showMissingArticle()

◆ showNamespaceHeader()

Article::showNamespaceHeader ( )

Show a header specific to the namespace currently being viewed, like [[MediaWiki:Talkpagetext]].

For Article::view().

Definition at line 1214 of file Article.php.

References getContext(), and getTitle().

◆ showPatrolFooter()

Article::showPatrolFooter ( )

If patrol is possible, output a patrol UI box.

This is called from the footer section of ordinary page views. If patrol is not possible or not desired, does nothing.

Side effect: When the patrol link is build, this method will call OutputPage::setPreventClickjacking(true) and load a JS module.

Returns
bool

Definition at line 1250 of file Article.php.

References MediaWiki\Output\OutputPage\addHTML(), MediaWiki\Output\OutputPage\addModules(), MediaWiki\Output\OutputPage\addModuleStyles(), getContext(), MediaWiki\Context\ContextSource\getOutput(), getTitle(), NS_FILE, RC_LOG, RC_NEW, and MediaWiki\Output\OutputPage\setPreventClickjacking().

◆ showRedirectedFromHeader()

Article::showRedirectedFromHeader ( )

If this request is a redirect view, send "redirected from" subtitle to the output.

Returns true if the header was needed, false if this is not a redirect view. Handles both local and remote redirects.

Returns
bool

Definition at line 1141 of file Article.php.

References MediaWiki\Output\OutputPage\addJsConfigVars(), MediaWiki\Output\OutputPage\addModules(), MediaWiki\Output\OutputPage\addSubtitle(), getContext(), MediaWiki\Context\ContextSource\getOutput(), getTitle(), MediaWiki\Output\OutputPage\setCanonicalUrl(), and MediaWiki\Output\OutputPage\setRedirectedFrom().

◆ showViewFooter()

Article::showViewFooter ( )

Show the footer section of an ordinary page view.

Definition at line 1226 of file Article.php.

References getContext(), getTitle(), and NS_USER_TALK.

◆ tryFileCache()

Article::tryFileCache ( )
protected

checkLastModified returns true if it has taken care of all output to the client that is necessary for this request.

(that is, it has sent a cached version of the page)

Returns
bool True if cached version send, false otherwise

Definition at line 1896 of file Article.php.

References getContext(), getTitle(), and wfDebug().

◆ unprotect()

Article::unprotect ( )

action=unprotect handler (alias)

Definition at line 1883 of file Article.php.

◆ view()

Article::view ( )

This is the default action of the index.php entry point: just view the page of the given title.

Reimplemented in CategoryPage, and ImagePage.

Definition at line 471 of file Article.php.

References getContext(), getTitle(), wfDebug(), and wfMessage().

Member Data Documentation

◆ $blockStore

DatabaseBlockStore Article::$blockStore
protected

Definition at line 148 of file Article.php.

◆ $dbProvider

IConnectionProvider Article::$dbProvider
protected

Definition at line 145 of file Article.php.

◆ $linkRenderer

LinkRenderer Article::$linkRenderer
protected

◆ $mContext

IContextSource null Article::$mContext
protected

The context this Article is executed in.

If null, RequestContext::getMain() is used.

Deprecated:
since 1.35, must be private, use getContext

Definition at line 76 of file Article.php.

◆ $mOldId

int null Article::$mOldId

The oldid of the article that was requested to be shown, 0 for the current revision.

Definition at line 85 of file Article.php.

◆ $mPage

WikiPage Article::$mPage
protected

The WikiPage object of this instance.

Definition at line 79 of file Article.php.

◆ $mParserOutput

ParserOutput null false Article::$mParserOutput = null

The ParserOutput generated for viewing the page, initialized by view().

If no ParserOutput could be generated, this is set to false.

Deprecated:
since 1.32

Definition at line 104 of file Article.php.

◆ $mRedirectedFrom

Title null Article::$mRedirectedFrom = null

Title from which we were redirected here, if any.

Definition at line 88 of file Article.php.

◆ $mRedirectUrl

string false Article::$mRedirectUrl = false

URL to redirect to or false if none.

Definition at line 91 of file Article.php.

◆ $viewIsRenderAction

bool Article::$viewIsRenderAction = false
protected

Whether render() was called.

With the way subclasses work here, there doesn't seem to be any other way to stop calling OutputPage::enableSectionEditLinks() and still have it work as it did before.

Definition at line 111 of file Article.php.


The documentation for this class was generated from the following file: