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| 1 | <?php |
| 2 | |
| 3 | namespace ProofreadPage\Index; |
| 4 | |
| 5 | use MediaWiki\MediaWikiServices; |
| 6 | use MediaWiki\Title\Title; |
| 7 | |
| 8 | /** |
| 9 | * @license GPL-2.0-or-later |
| 10 | * |
| 11 | * Returns the TemplateStyles sheets associated with an Index |
| 12 | */ |
| 13 | class IndexTemplateStyles { |
| 14 | |
| 15 | /** |
| 16 | * @var Title |
| 17 | */ |
| 18 | private $indexTitle; |
| 19 | |
| 20 | /** |
| 21 | * @var bool |
| 22 | */ |
| 23 | private $haveStyleSupport; |
| 24 | |
| 25 | /** |
| 26 | * Sets up an index TemplateStyles provider |
| 27 | * @param Title $indexTitle the title of the index (or the subpage of an |
| 28 | * index) |
| 29 | */ |
| 30 | public function __construct( Title $indexTitle ) { |
| 31 | // Use the base page so all subpages of an index share the same stylesheet |
| 32 | $this->indexTitle = $indexTitle->getBaseTitle(); |
| 33 | $this->haveStyleSupport = \ExtensionRegistry::getInstance()->isLoaded( 'TemplateStyles' ); |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * @return bool whether the given index has styles support |
| 38 | */ |
| 39 | public function hasStylesSupport() { |
| 40 | return $this->haveStyleSupport; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Return TemplateStyles page for the current index |
| 45 | * This may or may not exist. |
| 46 | * |
| 47 | * @return Title|null the title of the styles page, or null if no styles support |
| 48 | */ |
| 49 | public function getTemplateStylesPage() { |
| 50 | $stylesPage = null; |
| 51 | |
| 52 | if ( $this->haveStyleSupport ) { |
| 53 | $stylesPage = $this->indexTitle->getSubpage( "styles.css" ); |
| 54 | } |
| 55 | |
| 56 | return $stylesPage; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Returns the canonical index page associated with this page. This is the |
| 61 | * root Index page. |
| 62 | * |
| 63 | * @return Title the main index page |
| 64 | */ |
| 65 | public function getAssociatedIndexPage() { |
| 66 | return $this->indexTitle; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Return TemplateStyles for the given index |
| 71 | * @param string|null $wrapper optional CSS selector to limit the style scope |
| 72 | * @return string |
| 73 | */ |
| 74 | public function getIndexTemplateStyles( ?string $wrapper ) { |
| 75 | $cssTitle = $this->getTemplateStylesPage(); |
| 76 | $styles = ''; |
| 77 | |
| 78 | if ( $cssTitle && $cssTitle->exists() ) { |
| 79 | // if this is a normal redirect, follow it, because TS will not |
| 80 | // do that for the final page |
| 81 | $cssTitle = MediaWikiServices::getInstance()->getWikiPageFactory() |
| 82 | ->newFromTitle( $cssTitle )->getRedirectTarget() ?: $cssTitle; |
| 83 | |
| 84 | $ts_attribs = [ |
| 85 | "src" => $cssTitle->getFullText() |
| 86 | ]; |
| 87 | |
| 88 | if ( $wrapper ) { |
| 89 | $ts_attribs["wrapper"] = $wrapper; |
| 90 | } |
| 91 | |
| 92 | $styles .= \Xml::element( "templatestyles", $ts_attribs, "" ); |
| 93 | } |
| 94 | return $styles; |
| 95 | } |
| 96 | } |