mediawiki-skins-Vector/includes/SkinVector22.php
Jon Robson dba4fa6265 Setup placeholder components to guide future development
As we build out these components further we should be encouraging using
the component system rather than the SkinVector function calls.
This allows us a way to gradually move code over as needed.

Bug: T322089
Change-Id: I7b38ae5b6fe2aa42759ae482e7647a26fcedfc38
2022-12-07 18:58:06 +00:00

366 lines
12 KiB
PHP

<?php
namespace MediaWiki\Skins\Vector;
use MediaWiki\MediaWikiServices;
use MediaWiki\Skins\Vector\Components\VectorComponentMainMenu;
use MediaWiki\Skins\Vector\Components\VectorComponentPageTools;
use MediaWiki\Skins\Vector\Components\VectorComponentPinnableHeader;
use MediaWiki\Skins\Vector\Components\VectorComponentSearchBox;
use MediaWiki\Skins\Vector\Components\VectorComponentStickyHeader;
use MediaWiki\Skins\Vector\Components\VectorComponentTableOfContents;
/**
* @ingroup Skins
* @package Vector
* @internal
*/
class SkinVector22 extends SkinVector {
private const TOC_AB_TEST_NAME = 'skin-vector-toc-experiment';
private const STICKY_HEADER_ENABLED_CLASS = 'vector-sticky-header-enabled';
/**
* Updates the constructor to conditionally disable table of contents in article
* body. Note, the constructor can only check feature flags that do not vary on
* whether the user is logged in e.g. features with the 'default' key set.
* @inheritDoc
*/
public function __construct( array $options ) {
if ( !$this->isTOCABTestEnabled() ) {
$options['toc'] = !$this->isTableOfContentsVisibleInSidebar();
} else {
$options['styles'][] = 'skins.vector.AB.styles';
}
parent::__construct( $options );
}
/**
* Show the ULS button if it's modern Vector, languages in header is enabled,
* and the ULS extension is enabled. Hide it otherwise.
* There is no point in showing the language button if ULS extension is unavailable
* as there is no ways to add languages without it.
* @return bool
*/
protected function shouldHideLanguages(): bool {
return !$this->isLanguagesInContent() || !$this->isULSExtensionEnabled();
}
/**
* Determines if the language switching alert box should be in the sidebar.
*
* @return bool
*/
private function shouldLanguageAlertBeInSidebar(): bool {
$featureManager = VectorServices::getFeatureManager();
$isMainPage = $this->getTitle() ? $this->getTitle()->isMainPage() : false;
$shouldShowOnMainPage = $isMainPage && !empty( $this->getLanguagesCached() ) &&
$featureManager->isFeatureEnabled( Constants::FEATURE_LANGUAGE_IN_MAIN_PAGE_HEADER );
return ( $this->isLanguagesInContentAt( 'top' ) && !$isMainPage && !$this->shouldHideLanguages() &&
$featureManager->isFeatureEnabled( Constants::FEATURE_LANGUAGE_ALERT_IN_SIDEBAR ) ) ||
$shouldShowOnMainPage;
}
/**
* @internal
* @return bool
*/
public function isTOCABTestEnabled(): bool {
$experimentConfig = $this->getConfig()->get( Constants::CONFIG_WEB_AB_TEST_ENROLLMENT );
return $experimentConfig['name'] === self::TOC_AB_TEST_NAME &&
$experimentConfig['enabled'];
}
/**
* Check whether the user is bucketed in the treatment group for TOC.
*
* @return bool
*/
public function isUserInTocTreatmentBucket(): bool {
$featureManager = VectorServices::getFeatureManager();
return !$featureManager->isFeatureEnabled( Constants::FEATURE_TABLE_OF_CONTENTS_AB_TEST );
}
/**
* Determines if the Table of Contents should be visible.
* TOC is visible on main namespaces except for the Main Page.
*
* @internal
* @return bool
*/
public function isTableOfContentsVisibleInSidebar(): bool {
$title = $this->getTitle();
if (
!$title ||
$title->isMainPage()
) {
return false;
}
if ( $this->isTOCABTestEnabled() ) {
return $title->getArticleID() !== 0;
}
return true;
}
/**
* Annotates table of contents data with Vector-specific information.
*
* In tableOfContents.js we have tableOfContents::getTableOfContentsSectionsData(),
* that yields the same result as this function, please make sure to keep them in sync.
* FIXME: This code should be moved to VectorComponentTableOfContents.
*
* @param array $tocData
* @return array
*/
private function getTocData( array $tocData ): array {
// If the table of contents has no items, we won't output it.
// empty array is interpreted by Mustache as falsey.
if ( empty( $tocData ) || empty( $tocData[ 'array-sections' ] ) ) {
return [];
}
// Populate button labels for collapsible TOC sections
foreach ( $tocData[ 'array-sections' ] as &$section ) {
if ( $section['is-top-level-section'] && $section['is-parent-section'] ) {
$section['vector-button-label'] =
$this->msg( 'vector-toc-toggle-button-label', $section['line'] )->text();
}
}
// ToC is pinned by default, hardcoded for now
$isTocPinned = true;
$pinnableElementName = 'vector-toc';
$pinnableHeader = new VectorComponentPinnableHeader(
$this->getContext(),
$isTocPinned,
'vector-toc',
false,
'h2'
);
return array_merge( $tocData, [
'is-vector-toc-beginning-enabled' => $this->getConfig()->get(
'VectorTableOfContentsBeginning'
),
'vector-is-collapse-sections-enabled' =>
$tocData[ 'number-section-count'] >= $this->getConfig()->get(
'VectorTableOfContentsCollapseAtCount'
),
// Needed for PinnedContainer
'id' => $pinnableElementName,
'is-pinned' => $isTocPinned,
'data-pinnable-header' => $pinnableHeader->getTemplateData(),
] );
}
/**
* @return array
*/
private function getTocPageTitleData(): array {
return Hooks::updateDropdownMenuData( [
'id' => 'vector-page-titlebar-toc',
'class' => 'vector-page-titlebar-toc mw-ui-icon-flush-left',
'is-pinned' => true,
'button' => true,
'text-hidden' => true,
'icon' => 'listBullet'
] );
}
/**
* Merges the `view-overflow` menu into the `action` menu.
* This ensures that the previous state of the menu e.g. emptyPortlet class
* is preserved.
* @param array $data
* @return array
*/
private function mergeViewOverflowIntoActions( $data ) {
$portlets = $data['data-portlets'];
$actions = $portlets['data-actions'];
$overflow = $portlets['data-views-overflow'];
// if the views overflow menu is not empty, then signal that the more menu despite
// being initially empty now has collapsible items.
if ( !$overflow['is-empty'] ) {
$data['data-portlets']['data-actions']['class'] .= ' vector-has-collapsible-items';
}
$data['data-portlets']['data-actions']['html-items'] = $overflow['html-items'] . $actions['html-items'];
return $data;
}
/**
* @inheritDoc
*/
public function getHtmlElementAttributes() {
$original = parent::getHtmlElementAttributes();
if ( VectorServices::getFeatureManager()->isFeatureEnabled( Constants::FEATURE_STICKY_HEADER ) ) {
// T290518: Add scroll padding to root element when the sticky header is
// enabled. This class needs to be server rendered instead of added from
// JS in order to correctly handle situations where the sticky header
// isn't visible yet but we still need scroll padding applied (e.g. when
// the user navigates to a page with a hash fragment in the URI). For this
// reason, we can't rely on the `vector-sticky-header-visible` class as it
// is added too late.
//
// Please note that this class applies scroll padding which does not work
// when applied to the body tag in Chrome, Safari, and Firefox (and
// possibly others). It must instead be applied to the html tag.
$original['class'] = implode( ' ', [ $original['class'] ?? '', self::STICKY_HEADER_ENABLED_CLASS ] );
}
return $original;
}
/**
* Determines wheather the initial state of sidebar is visible on not
*
* @return bool
*/
private function isMainMenuVisible() {
$skin = $this->getSkin();
if ( $skin->getUser()->isRegistered() ) {
$userOptionsLookup = MediaWikiServices::getInstance()->getUserOptionsLookup();
$userPrefSidebarState = $userOptionsLookup->getOption(
$skin->getUser(),
Constants::PREF_KEY_SIDEBAR_VISIBLE
);
$defaultLoggedinSidebarState = $this->getConfig()->get(
Constants::CONFIG_KEY_DEFAULT_SIDEBAR_VISIBLE_FOR_AUTHORISED_USER
);
// If the sidebar user preference has been set, return that value,
// if not, then the default sidebar state for logged-in users.
return ( $userPrefSidebarState !== null )
? (bool)$userPrefSidebarState
: $defaultLoggedinSidebarState;
}
return $this->getConfig()->get(
Constants::CONFIG_KEY_DEFAULT_SIDEBAR_VISIBLE_FOR_ANONYMOUS_USER
);
}
/**
* @return array
*/
public function getTemplateData(): array {
$featureManager = VectorServices::getFeatureManager();
$parentData = parent::getTemplateData();
$stickyHeader = new VectorComponentStickyHeader();
$toc = new VectorComponentTableOfContents();
$parentData['data-toc'] = $this->isTableOfContentsVisibleInSidebar() ?
$toc->getTemplateData() + $this->getTocData( $parentData['data-toc'] ?? [] ) : null;
$parentData = $this->mergeViewOverflowIntoActions( $parentData );
// FIXME: Move to component (T322089)
$parentData['data-vector-user-links'] = $this->getUserLinksTemplateData(
$parentData['data-portlets']['data-user-menu'],
$parentData['data-portlets'][ 'data-vector-user-menu-overflow' ],
$this->getUser()
);
$parentData['data-portlets']['data-variants'] = $this->updateVariantsMenuLabel(
$parentData['data-portlets']['data-variants']
);
$langData = $parentData['data-portlets']['data-languages'] ?? null;
if ( $langData ) {
$parentData['data-lang-btn'] = $this->getULSPortletData(
$langData,
count( $this->getLanguagesCached() ),
$this->isLanguagesInContentAt( 'top' )
);
}
$isPageToolsEnabled = $featureManager->isFeatureEnabled( Constants::FEATURE_PAGE_TOOLS );
$sidebar = $parentData[ 'data-portlets-sidebar' ];
$toolbox = [];
if ( $isPageToolsEnabled ) {
$toolboxMenuIndex = array_search(
VectorComponentPageTools::TOOLBOX_ID,
array_column(
$parentData[ 'data-portlets-sidebar' ][ 'array-portlets-rest' ],
'id'
)
);
if ( $toolboxMenuIndex !== false ) {
$toolbox = $parentData[ 'data-portlets-sidebar' ][ 'array-portlets-rest' ][ $toolboxMenuIndex ];
unset( $parentData[ 'data-portlets-sidebar' ][ 'array-portlets-rest' ][ $toolboxMenuIndex ] );
$sidebar = $parentData[ 'data-portlets-sidebar' ];
}
}
$config = $this->getConfig();
$components = [
'data-search-box' => new VectorComponentSearchBox(
$parentData['data-search-box'],
true,
// is primary mode of search
true,
'searchform',
true,
$config,
Constants::SEARCH_BOX_INPUT_LOCATION_MOVED,
$this->getContext()
),
'data-portlets-main-menu' => new VectorComponentMainMenu(
$sidebar,
$this,
$this->shouldLanguageAlertBeInSidebar()
),
'data-page-tools' => $isPageToolsEnabled ? new VectorComponentPageTools(
$toolbox,
$parentData['data-portlets']['data-actions'] ?? [],
new VectorComponentPinnableHeader(
$this->getContext(),
// Page Tools is unpinned by default, hardcoded for now
false,
'vector-page-tools'
),
$this
) : null,
];
foreach ( $components as $key => $component ) {
// Array of components or null values.
if ( $component ) {
$parentData[$key] = $component->getTemplateData();
}
}
$searchStickyHeader = new VectorComponentSearchBox(
$parentData['data-search-box'],
// Collapse inside search box is disabled.
false,
false,
'vector-sticky-search-form',
false,
$config,
Constants::SEARCH_BOX_INPUT_LOCATION_MOVED,
$this->getContext()
);
return array_merge( $parentData, [
'is-language-in-content' => $this->isLanguagesInContent(),
'is-language-in-content-top' => $this->isLanguagesInContentAt( 'top' ),
'is-language-in-content-bottom' => $this->isLanguagesInContentAt( 'bottom' ),
'is-main-menu-visible' => $this->isMainMenuVisible(),
// Cast empty string to null
'html-subtitle' => $parentData['html-subtitle'] === '' ? null : $parentData['html-subtitle'],
'data-page-titlebar-toc' => $this->getTocPageTitleData(),
'data-vector-sticky-header' => $featureManager->isFeatureEnabled(
Constants::FEATURE_STICKY_HEADER
) ? $stickyHeader->getTemplateData() + $this->getStickyHeaderData(
$searchStickyHeader->getTemplateData(),
$featureManager->isFeatureEnabled(
Constants::FEATURE_STICKY_HEADER_EDIT
)
) : false,
'is-page-tools-enabled' => $isPageToolsEnabled
] );
}
}