mirror of
https://gerrit.wikimedia.org/r/mediawiki/skins/Vector.git
synced 2024-11-24 07:43:47 +00:00
293 lines
9.6 KiB
PHP
293 lines
9.6 KiB
PHP
<?php
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namespace MediaWiki\Skins\Vector;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Skins\Vector\Components\VectorComponentMainMenuActionLanguageSwitchAlert;
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use MediaWiki\Skins\Vector\Components\VectorComponentMainMenuActionOptOut;
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/**
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* @ingroup Skins
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* @package Vector
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* @internal
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*/
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class SkinVector22 extends SkinVector {
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private const TOC_AB_TEST_NAME = 'skin-vector-toc-experiment';
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private const STICKY_HEADER_ENABLED_CLASS = 'vector-sticky-header-enabled';
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/**
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* Updates the constructor to conditionally disable table of contents in article
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* body. Note, the constructor can only check feature flags that do not vary on
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* whether the user is logged in e.g. features with the 'default' key set.
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* @inheritDoc
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*/
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public function __construct( array $options ) {
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if ( !$this->isTOCABTestEnabled() ) {
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$options['toc'] = !$this->isTableOfContentsVisibleInSidebar();
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} else {
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$options['styles'][] = 'skins.vector.AB.styles';
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}
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parent::__construct( $options );
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}
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/**
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* Show the ULS button if it's modern Vector, languages in header is enabled,
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* and the ULS extension is enabled. Hide it otherwise.
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* There is no point in showing the language button if ULS extension is unavailable
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* as there is no ways to add languages without it.
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* @return bool
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*/
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protected function shouldHideLanguages(): bool {
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return !$this->isLanguagesInContent() || !$this->isULSExtensionEnabled();
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}
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/**
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* Determines if the language switching alert box should be in the sidebar.
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*
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* @return bool
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*/
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private function shouldLanguageAlertBeInSidebar(): bool {
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$featureManager = VectorServices::getFeatureManager();
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$isMainPage = $this->getTitle() ? $this->getTitle()->isMainPage() : false;
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$shouldShowOnMainPage = $isMainPage && !empty( $this->getLanguagesCached() ) &&
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$featureManager->isFeatureEnabled( Constants::FEATURE_LANGUAGE_IN_MAIN_PAGE_HEADER );
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return ( $this->isLanguagesInContentAt( 'top' ) && !$isMainPage && !$this->shouldHideLanguages() &&
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$featureManager->isFeatureEnabled( Constants::FEATURE_LANGUAGE_ALERT_IN_SIDEBAR ) ) ||
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$shouldShowOnMainPage;
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}
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/**
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* @internal
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* @return bool
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*/
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public function isTOCABTestEnabled(): bool {
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$experimentConfig = $this->getConfig()->get( Constants::CONFIG_WEB_AB_TEST_ENROLLMENT );
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return $experimentConfig['name'] === self::TOC_AB_TEST_NAME &&
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$experimentConfig['enabled'];
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}
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/**
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* Check whether the user is bucketed in the treatment group for TOC.
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*
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* @return bool
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*/
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public function isUserInTocTreatmentBucket(): bool {
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$featureManager = VectorServices::getFeatureManager();
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return !$featureManager->isFeatureEnabled( Constants::FEATURE_TABLE_OF_CONTENTS_AB_TEST );
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}
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/**
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* Determines if the Table of Contents should be visible.
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* TOC is visible on main namespaces except for the Main Page.
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*
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* @internal
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* @return bool
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*/
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public function isTableOfContentsVisibleInSidebar(): bool {
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$title = $this->getTitle();
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if (
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!$title ||
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$title->isMainPage()
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) {
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return false;
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}
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if ( $this->isTOCABTestEnabled() ) {
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return $title->getArticleID() !== 0;
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}
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return true;
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}
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/**
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* Annotates table of contents data with Vector-specific information.
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*
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* In tableOfContents.js we have tableOfContents::getTableOfContentsSectionsData(),
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* that yields the same result as this function, please make sure to keep them in sync.
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*
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* @param array $tocData
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* @return array
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*/
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private function getTocData( array $tocData ): array {
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// If the table of contents has no items, we won't output it.
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// empty array is interpreted by Mustache as falsey.
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if ( empty( $tocData ) || empty( $tocData[ 'array-sections' ] ) ) {
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return [];
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}
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// Populate button labels for collapsible TOC sections
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foreach ( $tocData[ 'array-sections' ] as &$section ) {
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if ( $section['is-top-level-section'] && $section['is-parent-section'] ) {
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$section['vector-button-label'] =
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$this->msg( 'vector-toc-toggle-button-label', $section['line'] )->text();
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}
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}
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return array_merge( $tocData, [
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'is-vector-toc-beginning-enabled' => $this->getConfig()->get(
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'VectorTableOfContentsBeginning'
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),
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'vector-is-collapse-sections-enabled' =>
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$tocData[ 'number-section-count'] >= $this->getConfig()->get(
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'VectorTableOfContentsCollapseAtCount'
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)
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] );
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}
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/**
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* Temporary function while we deprecate SkinVector class.
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*
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* @return bool
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*/
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protected function isLegacy(): bool {
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return false;
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}
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/**
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* Merges the `view-overflow` menu into the `action` menu.
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* This ensures that the previous state of the menu e.g. emptyPortlet class
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* is preserved.
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* @param array $data
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* @return array
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*/
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private function mergeViewOverflowIntoActions( $data ) {
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$portlets = $data['data-portlets'];
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$actions = $portlets['data-actions'];
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$overflow = $portlets['data-views-overflow'];
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// if the views overflow menu is not empty, then signal that the more menu despite
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// being initially empty now has collapsible items.
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if ( !$overflow['is-empty'] ) {
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$data['data-portlets']['data-actions']['class'] .= ' vector-has-collapsible-items';
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}
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$data['data-portlets']['data-actions']['html-items'] = $overflow['html-items'] . $actions['html-items'];
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return $data;
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}
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/**
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* @inheritDoc
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*/
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public function getHtmlElementAttributes() {
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$original = parent::getHtmlElementAttributes();
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if ( VectorServices::getFeatureManager()->isFeatureEnabled( Constants::FEATURE_STICKY_HEADER ) ) {
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// T290518: Add scroll padding to root element when the sticky header is
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// enabled. This class needs to be server rendered instead of added from
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// JS in order to correctly handle situations where the sticky header
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// isn't visible yet but we still need scroll padding applied (e.g. when
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// the user navigates to a page with a hash fragment in the URI). For this
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// reason, we can't rely on the `vector-sticky-header-visible` class as it
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// is added too late.
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//
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// Please note that this class applies scroll padding which does not work
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// when applied to the body tag in Chrome, Safari, and Firefox (and
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// possibly others). It must instead be applied to the html tag.
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$original['class'] = implode( ' ', [ $original['class'] ?? '', self::STICKY_HEADER_ENABLED_CLASS ] );
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}
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return $original;
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}
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/**
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* Determines wheather the initial state of sidebar is visible on not
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*
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* @return bool
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*/
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private function isMainMenuVisible() {
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$skin = $this->getSkin();
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if ( $skin->getUser()->isRegistered() ) {
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$userOptionsLookup = MediaWikiServices::getInstance()->getUserOptionsLookup();
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$userPrefSidebarState = $userOptionsLookup->getOption(
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$skin->getUser(),
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Constants::PREF_KEY_SIDEBAR_VISIBLE
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);
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$defaultLoggedinSidebarState = $this->getConfig()->get(
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Constants::CONFIG_KEY_DEFAULT_SIDEBAR_VISIBLE_FOR_AUTHORISED_USER
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);
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// If the sidebar user preference has been set, return that value,
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// if not, then the default sidebar state for logged-in users.
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return ( $userPrefSidebarState !== null )
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? (bool)$userPrefSidebarState
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: $defaultLoggedinSidebarState;
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}
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return $this->getConfig()->get(
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Constants::CONFIG_KEY_DEFAULT_SIDEBAR_VISIBLE_FOR_ANONYMOUS_USER
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);
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}
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/**
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* @return array
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*/
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public function getTemplateData(): array {
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$featureManager = VectorServices::getFeatureManager();
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$parentData = parent::getTemplateData();
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$parentData['data-toc'] = $this->getTocData( $parentData['data-toc'] ?? [] );
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if ( !$this->isTableOfContentsVisibleInSidebar() ) {
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unset( $parentData['data-toc'] );
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}
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$parentData = $this->mergeViewOverflowIntoActions( $parentData );
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// FIXME: Move to component (T322089)
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$parentData['data-vector-user-links'] = $this->getUserLinksTemplateData(
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$parentData['data-portlets']['data-user-menu'],
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$parentData['data-portlets'][ 'data-vector-user-menu-overflow' ],
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$this->getUser()
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);
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$langData = $parentData['data-portlets']['data-languages'] ?? null;
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if ( $langData ) {
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$parentData['data-lang-btn'] = $this->getULSPortletData(
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$langData,
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count( $this->getLanguagesCached() ),
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$this->isLanguagesInContentAt( 'top' )
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);
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}
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$user = $this->getUser();
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$components = [
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// T295555 Add language switch alert message temporarily (to be removed).
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'data-vector-language-switch-alert' => $this->shouldLanguageAlertBeInSidebar() ?
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new VectorComponentMainMenuActionLanguageSwitchAlert( $this ) : null,
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'data-main-menu-action' => $user->isRegistered() ?
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new VectorComponentMainMenuActionOptOut( $this ) : null,
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];
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foreach ( $components as $key => $component ) {
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// Array of components or null values.
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if ( $component ) {
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$parentData[$key] = $component->getTemplateData();
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}
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}
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return array_merge( $parentData, [
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'is-language-in-content' => $this->isLanguagesInContent(),
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'is-language-in-content-top' => $this->isLanguagesInContentAt( 'top' ),
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'is-language-in-content-bottom' => $this->isLanguagesInContentAt( 'bottom' ),
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'is-main-menu-visible' => $this->isMainMenuVisible(),
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// Cast empty string to null
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'html-subtitle' => $parentData['html-subtitle'] === '' ? null : $parentData['html-subtitle'],
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'data-vector-sticky-header' => $featureManager->isFeatureEnabled(
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Constants::FEATURE_STICKY_HEADER
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) ? $this->getStickyHeaderData(
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$this->getSearchData(
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$parentData['data-search-box'],
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// Collapse inside search box is disabled.
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false,
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false,
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'vector-sticky-search-form',
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false
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),
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$featureManager->isFeatureEnabled(
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Constants::FEATURE_STICKY_HEADER_EDIT
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)
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) : false,
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'is-page-tools-enabled' => $featureManager->isFeatureEnabled( Constants::FEATURE_PAGE_TOOLS )
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] );
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}
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}
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