ImageQueryPage Class Reference

Variant of QueryPage which uses a gallery to output results, thus suited for reports generating images. More...

Inheritance diagram for ImageQueryPage:

Collaboration diagram for ImageQueryPage:

Protected Member Functions
	formatResult ( $skin, $result)
	Stable to override.
	getCellHtml ( $row)
	Get additional HTML to be shown in a results' cell.
	outputResults ( $out, $skin, $dbr, $res, $num, $offset)
	Format and output report results using the given information plus OutputPage.
Protected Member Functions inherited from QueryPage
	closeList ()
	executeLBFromResultWrapper (IResultWrapper $res, $ns=null)
	Creates a new LinkBatch object, adds all pages from the passed result wrapper (MUST include title and optional the namespace field) and executes the batch.
	getCacheOrderFields ()
	Return the order fields for fetchFromCache.
	getDBLimit ( $uiLimit, $uiOffset)
	What is limit to fetch from DB.
	getLimitOffset ()
	Returns limit and offset, as returned by $this->getRequest()->getLimitOffsetForUser().
	getMaxResults ()
	Get max number of results we can return in miser mode.
	getOrderFields ()
	Subclasses return an array of fields to order by here.
	getPageHeader ()
	The content returned by this function will be output before any result.
	getRecacheDB ()
	Get a DB connection to be used for slow recache queries Stable to override.
	getSQL ()
	For back-compat, subclasses may return a raw SQL query here, as a string.
	linkParameters ()
	If using extra form wheely-dealies, return a set of parameters here as an associative array.
	openList ( $offset)
	preprocessResults ( $db, $res)
	Do any necessary preprocessing of the result object.
	setListoutput ( $bool)
	A mutator for $this->listoutput;.
	showEmptyText ()
	Outputs some kind of an informative message (via OutputPage) to let the user know that the query returned nothing and thus there's nothing to show.
	sortDescending ()
	Override to sort by increasing values.
Protected Member Functions inherited from SpecialPage
	addFeedLinks ( $params)
	Adds RSS/atom links.
	afterExecute ( $subPage)
	Gets called after.
	beforeExecute ( $subPage)
	Gets called before.
	buildPrevNextNavigation ( $offset, $limit, array $query=[], $atend=false, $subpage=false)
	Generate (prev x| next x) (20|50|100...) type links for paging.
	checkLoginSecurityLevel ( $level=null)
	Verifies that the user meets the security level, possibly reauthenticating them in the process.
	displayRestrictionError ()
	Output an error message telling the user what access level they have to have Stable to override.
	getCacheTTL ()
	Stable to override.
	getGroupName ()
	Under which header this special page is listed in Special:SpecialPages See messages 'specialpages-group-*' for valid names This method defaults to group 'other'.
	getHookContainer ()
	getHookRunner ()
	getLanguageConverter ()
	Shortcut to get language's converter.
	getLoginSecurityLevel ()
	Tells if the special page does something security-sensitive and needs extra defense against a stolen account (e.g.
	getRobotPolicy ()
	Return the robot policy.
	getSubpagesForPrefixSearch ()
	Return an array of subpages that this special page will accept for prefix searches.
	outputHeader ( $summaryMessageKey='')
	Outputs a summary message on top of special pages Per default the message key is the canonical name of the special page May be overridden, i.e.
	prefixSearchString ( $search, $limit, $offset)
	Perform a regular substring search for prefixSearchSubpages.
	setHeaders ()
	Sets headers - this should be called from the execute() method of all derived classes! Stable to override.
	setReauthPostData (array $data)
	Record preserved POST data after a reauthentication.
	useTransactionalTimeLimit ()
	Call wfTransactionalTimeLimit() if this request was POSTed.

Additional Inherited Members
Public Member Functions inherited from QueryPage
	delete (LinkTarget $title)
	Remove a cached result.
	doQuery ( $offset=false, $limit=false)
	Somewhat deprecated, you probably want to be using execute()
	execute ( $par)
	This is the actual workhorse.
	fetchFromCache ( $limit, $offset=false)
	Fetch the query results from the query cache Stable to override.
	getCachedTimestamp ()
	getQueryInfo ()
	Subclasses return an SQL query here, formatted as an array with the following keys: tables => Table(s) for passing to Database::select() fields => Field(s) for passing to Database::select(), may be * conds => WHERE conditions options => options join_conds => JOIN conditions.
	isCacheable ()
	Is the output of this query cacheable? Non-cacheable expensive pages will be disabled in miser mode and will not have their results written to the querycache table.
	isCached ()
	Whether or not the output of the page in question is retrieved from the database cache.
	isExpensive ()
	Is this query expensive (for some definition of expensive)? Then we don't let it run in miser mode.
	isSyndicated ()
	Sometime we don't want to build rss / atom feeds.
	reallyDoQuery ( $limit, $offset=false)
	Run the query and return the result Stable to override.
	recache ( $limit, $ignoreErrors=true)
	Clear the cache and save new results.
	usesTimestamps ()
	Does this query return timestamps rather than integers in its 'value' field? If true, this class will convert 'value' to a UNIX timestamp for caching.
Public Member Functions inherited from SpecialPage
	__construct ( $name='', $restriction='', $listed=true, $function=false, $file='', $includable=false)
	Default constructor for special pages Derivative classes should call this from their constructor Note that if the user does not have the required level, an error message will be displayed by the default execute() method, without the global function ever being called.
	addHelpLink ( $to, $overrideBaseUrl=false)
	Adds help link with an icon via page indicators.
	checkPermissions ()
	Checks if userCanExecute, and if not throws a PermissionsError.
	checkReadOnly ()
	If the wiki is currently in readonly mode, throws a ReadOnlyError.
	doesWrites ()
	Indicates whether this special page may perform database writes.
	getConfig ()
	Shortcut to get main config object.
	getContext ()
	Gets the context this SpecialPage is executed in.
	getDescription ()
	Returns the name that goes in the \<h1\> in the special page itself, and also the name that will be listed in Special:Specialpages.
	getFinalGroupName ()
	Get the group that the special page belongs in on Special:SpecialPage Use this method, instead of getGroupName to allow customization of the group name from the wiki side.
	getFullTitle ()
	Return the full title, including $par.
	getLanguage ()
	Shortcut to get user's language.
	getLinkRenderer ()
	getLocalName ()
	Get the localised name of the special page Stable to override.
	getName ()
	Get the name of this Special Page.
	getOutput ()
	Get the OutputPage being used for this instance.
	getPageTitle ( $subpage=false)
	Get a self-referential title object.
	getRequest ()
	Get the WebRequest being used for this instance.
	getRestriction ()
	Get the permission that a user must have to execute this page.
	getSkin ()
	Shortcut to get the skin being used for this instance.
	getUser ()
	Shortcut to get the User executing this instance.
	including ( $x=null)
	Whether the special page is being evaluated via transclusion.
	isIncludable ()
	Whether it's allowed to transclude the special page via {{Special:Foo/params}} Stable to override.
	isListed ()
	Whether this special page is listed in Special:SpecialPages Stable to override.
	isRestricted ()
	Can be overridden by subclasses with more complicated permissions schemes.
	listed ( $x=null)
	Get or set whether this special page is listed in Special:SpecialPages.
	maxIncludeCacheTime ()
	How long to cache page when it is being included.
	msg ( $key,... $params)
	Wrapper around wfMessage that sets the current context.
	prefixSearchSubpages ( $search, $limit, $offset)
	Return an array of subpages beginning with $search that this special page will accept.
	requireLogin ( $reasonMsg='exception-nologin-text', $titleMsg='exception-nologin')
	If the user is not logged in, throws UserNotLoggedIn error.
	run ( $subPage)
	Entry point.
	setContext ( $context)
	Sets the context this SpecialPage is executed in.
	setHookContainer (HookContainer $hookContainer)
	setLinkRenderer (LinkRenderer $linkRenderer)
	setListed ( $listed)
	Set whether this page is listed in Special:Specialpages, at run-time.
	userCanExecute (User $user)
	Checks if the given user (identified by an object) can execute this special page (as defined by $mRestriction).
Static Public Member Functions inherited from QueryPage
static	getDisabledQueryPages (Config $config)
	Get a list of query pages disabled and with it's run mode.
static	getPages ()
	Get a list of query page classes and their associated special pages, for periodic updates.
Static Public Member Functions inherited from SpecialPage
static	getSafeTitleFor ( $name, $subpage=false)
	Get a localised Title object for a page name with a possibly unvalidated subpage.
static	getTitleFor ( $name, $subpage=false, $fragment='')
	Get a localised Title object for a specified special page name If you don't need a full Title object, consider using TitleValue through getTitleValueFor() below.
static	getTitleValueFor ( $name, $subpage=false, $fragment='')
	Get a localised TitleValue object for a specified special page name.
Static Protected Member Functions inherited from SpecialPage
static	prefixSearchArray ( $search, $limit, array $subpages, $offset)
	Helper function for implementations of prefixSearchSubpages() that filter the values in memory (as opposed to making a query).
Protected Attributes inherited from QueryPage
string null	$cachedTimestamp = null
int	$limit = 0
bool	$listoutput = false
	Whether or not we want plain listoutput rather than an ordered list.
int	$numRows
	The number of rows returned by the query.
int	$offset = 0
	The offset and limit in use, as passed to the query() function.
bool	$shownavigation = true
	Whether to show prev/next links.
Protected Attributes inherited from SpecialPage
IContextSource	$mContext
	Current request context.
	$mIncludable
	$mIncluding
	$mName
	$mRestriction

Detailed Description

Variant of QueryPage which uses a gallery to output results, thus suited for reports generating images.

Stable to extend

Author

Rob Church robch.nosp@m.ur@g.nosp@m.mail..nosp@m.com

Definition at line 36 of file ImageQueryPage.php.

Member Function Documentation

formatResult()

ImageQueryPage::formatResult (   $skin,   $result  )

protected

Stable to override.

Parameters

Skin	$skin
object	$result

Returns

bool|string

Reimplemented from QueryPage.

Definition at line 81 of file ImageQueryPage.php.

getCellHtml()

ImageQueryPage::getCellHtml (   $row )

protected

Get additional HTML to be shown in a results' cell.

Stable to override

Parameters

object

$row

Result row

Returns

string

Reimplemented in MostimagesPage.

Definition at line 93 of file ImageQueryPage.php.

Referenced by outputResults().

outputResults()

ImageQueryPage::outputResults (   $out,   $skin,   $dbr,   $res,   $num,   $offset  )

protected

Format and output report results using the given information plus OutputPage.

Stable to override

Parameters

OutputPage	$out	OutputPage to print to
Skin	$skin	User skin to use [unused]
IDatabase	$dbr	(read) connection to use
IResultWrapper	$res	Result pointer
int	$num	Number of available result rows
int	$offset	Paging offset

Reimplemented from QueryPage.

Definition at line 50 of file ImageQueryPage.php.

References $res, $title, getCellHtml(), SpecialPage\getContext(), Title\getNamespace(), and NS_FILE.

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

• includes/specialpage/ImageQueryPage.php